From db703d82f4876e30f1ca10fb78d85b4dd4c31ec1 Mon Sep 17 00:00:00 2001 From: Erick Date: Fri, 17 Jun 2022 11:42:46 -0400 Subject: [PATCH 1/9] fix typo in `--help` output for `--print` flag (#1149) --- slither/__main__.py | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/slither/__main__.py b/slither/__main__.py index dd195b65b..e9f688a8e 100644 --- a/slither/__main__.py +++ b/slither/__main__.py @@ -315,7 +315,7 @@ def parse_args(detector_classes, printer_classes): # pylint: disable=too-many-s group_printer.add_argument( "--print", - help="Comma-separated list fo contract information printers, " + help="Comma-separated list of contract information printers, " f"available printers: {', '.join(d.ARGUMENT for d in printer_classes)}", action="store", dest="printers_to_run", From 38c0ae513d7fe3871daed218629c21471190d94e Mon Sep 17 00:00:00 2001 From: noxx Date: Thu, 14 Jul 2022 18:15:46 +0100 Subject: [PATCH 2/9] add flag for table layout view, table layout with value view and silent flag for suppressing other outputs --- .../contracts/NoDelegateCall.sol | 27 + .../contracts/UniswapV3Pool.sol | 869 ++++++++++++++++++ .../contracts/interfaces/IERC20Minimal.sol | 52 ++ .../interfaces/IUniswapV3Factory.sol | 78 ++ .../contracts/interfaces/IUniswapV3Pool.sol | 24 + .../interfaces/IUniswapV3PoolDeployer.sol | 26 + .../callback/IUniswapV3FlashCallback.sol | 18 + .../callback/IUniswapV3MintCallback.sol | 18 + .../callback/IUniswapV3SwapCallback.sol | 21 + .../interfaces/pool/IUniswapV3PoolActions.sol | 103 +++ .../pool/IUniswapV3PoolDerivedState.sol | 40 + .../interfaces/pool/IUniswapV3PoolEvents.sol | 121 +++ .../pool/IUniswapV3PoolImmutables.sol | 35 + .../pool/IUniswapV3PoolOwnerActions.sol | 23 + .../interfaces/pool/IUniswapV3PoolState.sol | 116 +++ .../contracts/libraries/BitMath.sol | 94 ++ .../contracts/libraries/FixedPoint128.sol | 8 + .../contracts/libraries/FixedPoint96.sol | 10 + .../contracts/libraries/FullMath.sol | 124 +++ .../contracts/libraries/LiquidityMath.sol | 17 + .../contracts/libraries/LowGasSafeMath.sol | 46 + .../contracts/libraries/Oracle.sol | 325 +++++++ .../contracts/libraries/Position.sol | 88 ++ .../contracts/libraries/SafeCast.sol | 28 + .../contracts/libraries/SqrtPriceMath.sol | 227 +++++ .../contracts/libraries/SwapMath.sol | 98 ++ .../contracts/libraries/Tick.sol | 183 ++++ .../contracts/libraries/TickBitmap.sol | 78 ++ .../contracts/libraries/TickMath.sol | 205 +++++ .../contracts/libraries/TransferHelper.sol | 23 + .../contracts/libraries/UnsafeMath.sol | 17 + slither/tools/read_storage/__main__.py | 38 + slither/tools/read_storage/read_storage.py | 119 ++- 33 files changed, 3289 insertions(+), 10 deletions(-) create mode 100644 crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/NoDelegateCall.sol create mode 100644 crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/UniswapV3Pool.sol create mode 100644 crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/IERC20Minimal.sol create mode 100644 crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/IUniswapV3Factory.sol create mode 100644 crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/IUniswapV3Pool.sol create mode 100644 crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/IUniswapV3PoolDeployer.sol create mode 100644 crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/callback/IUniswapV3FlashCallback.sol create mode 100644 crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/callback/IUniswapV3MintCallback.sol create mode 100644 crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/callback/IUniswapV3SwapCallback.sol create mode 100644 crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/pool/IUniswapV3PoolActions.sol create mode 100644 crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/pool/IUniswapV3PoolDerivedState.sol create mode 100644 crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/pool/IUniswapV3PoolEvents.sol create mode 100644 crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/pool/IUniswapV3PoolImmutables.sol create mode 100644 crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/pool/IUniswapV3PoolOwnerActions.sol create mode 100644 crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/pool/IUniswapV3PoolState.sol create mode 100644 crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/BitMath.sol create mode 100644 crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/FixedPoint128.sol create mode 100644 crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/FixedPoint96.sol create mode 100644 crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/FullMath.sol create mode 100644 crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/LiquidityMath.sol create mode 100644 crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/LowGasSafeMath.sol create mode 100644 crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/Oracle.sol create mode 100644 crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/Position.sol create mode 100644 crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/SafeCast.sol create mode 100644 crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/SqrtPriceMath.sol create mode 100644 crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/SwapMath.sol create mode 100644 crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/Tick.sol create mode 100644 crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/TickBitmap.sol create mode 100644 crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/TickMath.sol create mode 100644 crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/TransferHelper.sol create mode 100644 crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/UnsafeMath.sol diff --git a/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/NoDelegateCall.sol b/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/NoDelegateCall.sol new file mode 100644 index 000000000..5411979dc --- /dev/null +++ b/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/NoDelegateCall.sol @@ -0,0 +1,27 @@ +// SPDX-License-Identifier: BUSL-1.1 +pragma solidity =0.7.6; + +/// @title Prevents delegatecall to a contract +/// @notice Base contract that provides a modifier for preventing delegatecall to methods in a child contract +abstract contract NoDelegateCall { + /// @dev The original address of this contract + address private immutable original; + + constructor() { + // Immutables are computed in the init code of the contract, and then inlined into the deployed bytecode. + // In other words, this variable won't change when it's checked at runtime. + original = address(this); + } + + /// @dev Private method is used instead of inlining into modifier because modifiers are copied into each method, + /// and the use of immutable means the address bytes are copied in every place the modifier is used. + function checkNotDelegateCall() private view { + require(address(this) == original); + } + + /// @notice Prevents delegatecall into the modified method + modifier noDelegateCall() { + checkNotDelegateCall(); + _; + } +} diff --git a/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/UniswapV3Pool.sol b/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/UniswapV3Pool.sol new file mode 100644 index 000000000..9e0982127 --- /dev/null +++ b/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/UniswapV3Pool.sol @@ -0,0 +1,869 @@ +// SPDX-License-Identifier: BUSL-1.1 +pragma solidity =0.7.6; + +import './interfaces/IUniswapV3Pool.sol'; + +import './NoDelegateCall.sol'; + +import './libraries/LowGasSafeMath.sol'; +import './libraries/SafeCast.sol'; +import './libraries/Tick.sol'; +import './libraries/TickBitmap.sol'; +import './libraries/Position.sol'; +import './libraries/Oracle.sol'; + +import './libraries/FullMath.sol'; +import './libraries/FixedPoint128.sol'; +import './libraries/TransferHelper.sol'; +import './libraries/TickMath.sol'; +import './libraries/LiquidityMath.sol'; +import './libraries/SqrtPriceMath.sol'; +import './libraries/SwapMath.sol'; + +import './interfaces/IUniswapV3PoolDeployer.sol'; +import './interfaces/IUniswapV3Factory.sol'; +import './interfaces/IERC20Minimal.sol'; +import './interfaces/callback/IUniswapV3MintCallback.sol'; +import './interfaces/callback/IUniswapV3SwapCallback.sol'; +import './interfaces/callback/IUniswapV3FlashCallback.sol'; + +contract UniswapV3Pool is IUniswapV3Pool, NoDelegateCall { + using LowGasSafeMath for uint256; + using LowGasSafeMath for int256; + using SafeCast for uint256; + using SafeCast for int256; + using Tick for mapping(int24 => Tick.Info); + using TickBitmap for mapping(int16 => uint256); + using Position for mapping(bytes32 => Position.Info); + using Position for Position.Info; + using Oracle for Oracle.Observation[65535]; + + /// @inheritdoc IUniswapV3PoolImmutables + address public immutable override factory; + /// @inheritdoc IUniswapV3PoolImmutables + address public immutable override token0; + /// @inheritdoc IUniswapV3PoolImmutables + address public immutable override token1; + /// @inheritdoc IUniswapV3PoolImmutables + uint24 public immutable override fee; + + /// @inheritdoc IUniswapV3PoolImmutables + int24 public immutable override tickSpacing; + + /// @inheritdoc IUniswapV3PoolImmutables + uint128 public immutable override maxLiquidityPerTick; + + struct Slot0 { + // the current price + uint160 sqrtPriceX96; + // the current tick + int24 tick; + // the most-recently updated index of the observations array + uint16 observationIndex; + // the current maximum number of observations that are being stored + uint16 observationCardinality; + // the next maximum number of observations to store, triggered in observations.write + uint16 observationCardinalityNext; + // the current protocol fee as a percentage of the swap fee taken on withdrawal + // represented as an integer denominator (1/x)% + uint8 feeProtocol; + // whether the pool is locked + bool unlocked; + } + /// @inheritdoc IUniswapV3PoolState + Slot0 public override slot0; + + /// @inheritdoc IUniswapV3PoolState + uint256 public override feeGrowthGlobal0X128; + /// @inheritdoc IUniswapV3PoolState + uint256 public override feeGrowthGlobal1X128; + + // accumulated protocol fees in token0/token1 units + struct ProtocolFees { + uint128 token0; + uint128 token1; + } + /// @inheritdoc IUniswapV3PoolState + ProtocolFees public override protocolFees; + + /// @inheritdoc IUniswapV3PoolState + uint128 public override liquidity; + + /// @inheritdoc IUniswapV3PoolState + mapping(int24 => Tick.Info) public override ticks; + /// @inheritdoc IUniswapV3PoolState + mapping(int16 => uint256) public override tickBitmap; + /// @inheritdoc IUniswapV3PoolState + mapping(bytes32 => Position.Info) public override positions; + /// @inheritdoc IUniswapV3PoolState + Oracle.Observation[65535] public override observations; + + /// @dev Mutually exclusive reentrancy protection into the pool to/from a method. This method also prevents entrance + /// to a function before the pool is initialized. The reentrancy guard is required throughout the contract because + /// we use balance checks to determine the payment status of interactions such as mint, swap and flash. + modifier lock() { + require(slot0.unlocked, 'LOK'); + slot0.unlocked = false; + _; + slot0.unlocked = true; + } + + /// @dev Prevents calling a function from anyone except the address returned by IUniswapV3Factory#owner() + modifier onlyFactoryOwner() { + require(msg.sender == IUniswapV3Factory(factory).owner()); + _; + } + + constructor() { + int24 _tickSpacing; + (factory, token0, token1, fee, _tickSpacing) = IUniswapV3PoolDeployer(msg.sender).parameters(); + tickSpacing = _tickSpacing; + + maxLiquidityPerTick = Tick.tickSpacingToMaxLiquidityPerTick(_tickSpacing); + } + + /// @dev Common checks for valid tick inputs. + function checkTicks(int24 tickLower, int24 tickUpper) private pure { + require(tickLower < tickUpper, 'TLU'); + require(tickLower >= TickMath.MIN_TICK, 'TLM'); + require(tickUpper <= TickMath.MAX_TICK, 'TUM'); + } + + /// @dev Returns the block timestamp truncated to 32 bits, i.e. mod 2**32. This method is overridden in tests. + function _blockTimestamp() internal view virtual returns (uint32) { + return uint32(block.timestamp); // truncation is desired + } + + /// @dev Get the pool's balance of token0 + /// @dev This function is gas optimized to avoid a redundant extcodesize check in addition to the returndatasize + /// check + function balance0() private view returns (uint256) { + (bool success, bytes memory data) = + token0.staticcall(abi.encodeWithSelector(IERC20Minimal.balanceOf.selector, address(this))); + require(success && data.length >= 32); + return abi.decode(data, (uint256)); + } + + /// @dev Get the pool's balance of token1 + /// @dev This function is gas optimized to avoid a redundant extcodesize check in addition to the returndatasize + /// check + function balance1() private view returns (uint256) { + (bool success, bytes memory data) = + token1.staticcall(abi.encodeWithSelector(IERC20Minimal.balanceOf.selector, address(this))); + require(success && data.length >= 32); + return abi.decode(data, (uint256)); + } + + /// @inheritdoc IUniswapV3PoolDerivedState + function snapshotCumulativesInside(int24 tickLower, int24 tickUpper) + external + view + override + noDelegateCall + returns ( + int56 tickCumulativeInside, + uint160 secondsPerLiquidityInsideX128, + uint32 secondsInside + ) + { + checkTicks(tickLower, tickUpper); + + int56 tickCumulativeLower; + int56 tickCumulativeUpper; + uint160 secondsPerLiquidityOutsideLowerX128; + uint160 secondsPerLiquidityOutsideUpperX128; + uint32 secondsOutsideLower; + uint32 secondsOutsideUpper; + + { + Tick.Info storage lower = ticks[tickLower]; + Tick.Info storage upper = ticks[tickUpper]; + bool initializedLower; + (tickCumulativeLower, secondsPerLiquidityOutsideLowerX128, secondsOutsideLower, initializedLower) = ( + lower.tickCumulativeOutside, + lower.secondsPerLiquidityOutsideX128, + lower.secondsOutside, + lower.initialized + ); + require(initializedLower); + + bool initializedUpper; + (tickCumulativeUpper, secondsPerLiquidityOutsideUpperX128, secondsOutsideUpper, initializedUpper) = ( + upper.tickCumulativeOutside, + upper.secondsPerLiquidityOutsideX128, + upper.secondsOutside, + upper.initialized + ); + require(initializedUpper); + } + + Slot0 memory _slot0 = slot0; + + if (_slot0.tick < tickLower) { + return ( + tickCumulativeLower - tickCumulativeUpper, + secondsPerLiquidityOutsideLowerX128 - secondsPerLiquidityOutsideUpperX128, + secondsOutsideLower - secondsOutsideUpper + ); + } else if (_slot0.tick < tickUpper) { + uint32 time = _blockTimestamp(); + (int56 tickCumulative, uint160 secondsPerLiquidityCumulativeX128) = + observations.observeSingle( + time, + 0, + _slot0.tick, + _slot0.observationIndex, + liquidity, + _slot0.observationCardinality + ); + return ( + tickCumulative - tickCumulativeLower - tickCumulativeUpper, + secondsPerLiquidityCumulativeX128 - + secondsPerLiquidityOutsideLowerX128 - + secondsPerLiquidityOutsideUpperX128, + time - secondsOutsideLower - secondsOutsideUpper + ); + } else { + return ( + tickCumulativeUpper - tickCumulativeLower, + secondsPerLiquidityOutsideUpperX128 - secondsPerLiquidityOutsideLowerX128, + secondsOutsideUpper - secondsOutsideLower + ); + } + } + + /// @inheritdoc IUniswapV3PoolDerivedState + function observe(uint32[] calldata secondsAgos) + external + view + override + noDelegateCall + returns (int56[] memory tickCumulatives, uint160[] memory secondsPerLiquidityCumulativeX128s) + { + return + observations.observe( + _blockTimestamp(), + secondsAgos, + slot0.tick, + slot0.observationIndex, + liquidity, + slot0.observationCardinality + ); + } + + /// @inheritdoc IUniswapV3PoolActions + function increaseObservationCardinalityNext(uint16 observationCardinalityNext) + external + override + lock + noDelegateCall + { + uint16 observationCardinalityNextOld = slot0.observationCardinalityNext; // for the event + uint16 observationCardinalityNextNew = + observations.grow(observationCardinalityNextOld, observationCardinalityNext); + slot0.observationCardinalityNext = observationCardinalityNextNew; + if (observationCardinalityNextOld != observationCardinalityNextNew) + emit IncreaseObservationCardinalityNext(observationCardinalityNextOld, observationCardinalityNextNew); + } + + /// @inheritdoc IUniswapV3PoolActions + /// @dev not locked because it initializes unlocked + function initialize(uint160 sqrtPriceX96) external override { + require(slot0.sqrtPriceX96 == 0, 'AI'); + + int24 tick = TickMath.getTickAtSqrtRatio(sqrtPriceX96); + + (uint16 cardinality, uint16 cardinalityNext) = observations.initialize(_blockTimestamp()); + + slot0 = Slot0({ + sqrtPriceX96: sqrtPriceX96, + tick: tick, + observationIndex: 0, + observationCardinality: cardinality, + observationCardinalityNext: cardinalityNext, + feeProtocol: 0, + unlocked: true + }); + + emit Initialize(sqrtPriceX96, tick); + } + + struct ModifyPositionParams { + // the address that owns the position + address owner; + // the lower and upper tick of the position + int24 tickLower; + int24 tickUpper; + // any change in liquidity + int128 liquidityDelta; + } + + /// @dev Effect some changes to a position + /// @param params the position details and the change to the position's liquidity to effect + /// @return position a storage pointer referencing the position with the given owner and tick range + /// @return amount0 the amount of token0 owed to the pool, negative if the pool should pay the recipient + /// @return amount1 the amount of token1 owed to the pool, negative if the pool should pay the recipient + function _modifyPosition(ModifyPositionParams memory params) + private + noDelegateCall + returns ( + Position.Info storage position, + int256 amount0, + int256 amount1 + ) + { + checkTicks(params.tickLower, params.tickUpper); + + Slot0 memory _slot0 = slot0; // SLOAD for gas optimization + + position = _updatePosition( + params.owner, + params.tickLower, + params.tickUpper, + params.liquidityDelta, + _slot0.tick + ); + + if (params.liquidityDelta != 0) { + if (_slot0.tick < params.tickLower) { + // current tick is below the passed range; liquidity can only become in range by crossing from left to + // right, when we'll need _more_ token0 (it's becoming more valuable) so user must provide it + amount0 = SqrtPriceMath.getAmount0Delta( + TickMath.getSqrtRatioAtTick(params.tickLower), + TickMath.getSqrtRatioAtTick(params.tickUpper), + params.liquidityDelta + ); + } else if (_slot0.tick < params.tickUpper) { + // current tick is inside the passed range + uint128 liquidityBefore = liquidity; // SLOAD for gas optimization + + // write an oracle entry + (slot0.observationIndex, slot0.observationCardinality) = observations.write( + _slot0.observationIndex, + _blockTimestamp(), + _slot0.tick, + liquidityBefore, + _slot0.observationCardinality, + _slot0.observationCardinalityNext + ); + + amount0 = SqrtPriceMath.getAmount0Delta( + _slot0.sqrtPriceX96, + TickMath.getSqrtRatioAtTick(params.tickUpper), + params.liquidityDelta + ); + amount1 = SqrtPriceMath.getAmount1Delta( + TickMath.getSqrtRatioAtTick(params.tickLower), + _slot0.sqrtPriceX96, + params.liquidityDelta + ); + + liquidity = LiquidityMath.addDelta(liquidityBefore, params.liquidityDelta); + } else { + // current tick is above the passed range; liquidity can only become in range by crossing from right to + // left, when we'll need _more_ token1 (it's becoming more valuable) so user must provide it + amount1 = SqrtPriceMath.getAmount1Delta( + TickMath.getSqrtRatioAtTick(params.tickLower), + TickMath.getSqrtRatioAtTick(params.tickUpper), + params.liquidityDelta + ); + } + } + } + + /// @dev Gets and updates a position with the given liquidity delta + /// @param owner the owner of the position + /// @param tickLower the lower tick of the position's tick range + /// @param tickUpper the upper tick of the position's tick range + /// @param tick the current tick, passed to avoid sloads + function _updatePosition( + address owner, + int24 tickLower, + int24 tickUpper, + int128 liquidityDelta, + int24 tick + ) private returns (Position.Info storage position) { + position = positions.get(owner, tickLower, tickUpper); + + uint256 _feeGrowthGlobal0X128 = feeGrowthGlobal0X128; // SLOAD for gas optimization + uint256 _feeGrowthGlobal1X128 = feeGrowthGlobal1X128; // SLOAD for gas optimization + + // if we need to update the ticks, do it + bool flippedLower; + bool flippedUpper; + if (liquidityDelta != 0) { + uint32 time = _blockTimestamp(); + (int56 tickCumulative, uint160 secondsPerLiquidityCumulativeX128) = + observations.observeSingle( + time, + 0, + slot0.tick, + slot0.observationIndex, + liquidity, + slot0.observationCardinality + ); + + flippedLower = ticks.update( + tickLower, + tick, + liquidityDelta, + _feeGrowthGlobal0X128, + _feeGrowthGlobal1X128, + secondsPerLiquidityCumulativeX128, + tickCumulative, + time, + false, + maxLiquidityPerTick + ); + flippedUpper = ticks.update( + tickUpper, + tick, + liquidityDelta, + _feeGrowthGlobal0X128, + _feeGrowthGlobal1X128, + secondsPerLiquidityCumulativeX128, + tickCumulative, + time, + true, + maxLiquidityPerTick + ); + + if (flippedLower) { + tickBitmap.flipTick(tickLower, tickSpacing); + } + if (flippedUpper) { + tickBitmap.flipTick(tickUpper, tickSpacing); + } + } + + (uint256 feeGrowthInside0X128, uint256 feeGrowthInside1X128) = + ticks.getFeeGrowthInside(tickLower, tickUpper, tick, _feeGrowthGlobal0X128, _feeGrowthGlobal1X128); + + position.update(liquidityDelta, feeGrowthInside0X128, feeGrowthInside1X128); + + // clear any tick data that is no longer needed + if (liquidityDelta < 0) { + if (flippedLower) { + ticks.clear(tickLower); + } + if (flippedUpper) { + ticks.clear(tickUpper); + } + } + } + + /// @inheritdoc IUniswapV3PoolActions + /// @dev noDelegateCall is applied indirectly via _modifyPosition + function mint( + address recipient, + int24 tickLower, + int24 tickUpper, + uint128 amount, + bytes calldata data + ) external override lock returns (uint256 amount0, uint256 amount1) { + require(amount > 0); + (, int256 amount0Int, int256 amount1Int) = + _modifyPosition( + ModifyPositionParams({ + owner: recipient, + tickLower: tickLower, + tickUpper: tickUpper, + liquidityDelta: int256(amount).toInt128() + }) + ); + + amount0 = uint256(amount0Int); + amount1 = uint256(amount1Int); + + uint256 balance0Before; + uint256 balance1Before; + if (amount0 > 0) balance0Before = balance0(); + if (amount1 > 0) balance1Before = balance1(); + IUniswapV3MintCallback(msg.sender).uniswapV3MintCallback(amount0, amount1, data); + if (amount0 > 0) require(balance0Before.add(amount0) <= balance0(), 'M0'); + if (amount1 > 0) require(balance1Before.add(amount1) <= balance1(), 'M1'); + + emit Mint(msg.sender, recipient, tickLower, tickUpper, amount, amount0, amount1); + } + + /// @inheritdoc IUniswapV3PoolActions + function collect( + address recipient, + int24 tickLower, + int24 tickUpper, + uint128 amount0Requested, + uint128 amount1Requested + ) external override lock returns (uint128 amount0, uint128 amount1) { + // we don't need to checkTicks here, because invalid positions will never have non-zero tokensOwed{0,1} + Position.Info storage position = positions.get(msg.sender, tickLower, tickUpper); + + amount0 = amount0Requested > position.tokensOwed0 ? position.tokensOwed0 : amount0Requested; + amount1 = amount1Requested > position.tokensOwed1 ? position.tokensOwed1 : amount1Requested; + + if (amount0 > 0) { + position.tokensOwed0 -= amount0; + TransferHelper.safeTransfer(token0, recipient, amount0); + } + if (amount1 > 0) { + position.tokensOwed1 -= amount1; + TransferHelper.safeTransfer(token1, recipient, amount1); + } + + emit Collect(msg.sender, recipient, tickLower, tickUpper, amount0, amount1); + } + + /// @inheritdoc IUniswapV3PoolActions + /// @dev noDelegateCall is applied indirectly via _modifyPosition + function burn( + int24 tickLower, + int24 tickUpper, + uint128 amount + ) external override lock returns (uint256 amount0, uint256 amount1) { + (Position.Info storage position, int256 amount0Int, int256 amount1Int) = + _modifyPosition( + ModifyPositionParams({ + owner: msg.sender, + tickLower: tickLower, + tickUpper: tickUpper, + liquidityDelta: -int256(amount).toInt128() + }) + ); + + amount0 = uint256(-amount0Int); + amount1 = uint256(-amount1Int); + + if (amount0 > 0 || amount1 > 0) { + (position.tokensOwed0, position.tokensOwed1) = ( + position.tokensOwed0 + uint128(amount0), + position.tokensOwed1 + uint128(amount1) + ); + } + + emit Burn(msg.sender, tickLower, tickUpper, amount, amount0, amount1); + } + + struct SwapCache { + // the protocol fee for the input token + uint8 feeProtocol; + // liquidity at the beginning of the swap + uint128 liquidityStart; + // the timestamp of the current block + uint32 blockTimestamp; + // the current value of the tick accumulator, computed only if we cross an initialized tick + int56 tickCumulative; + // the current value of seconds per liquidity accumulator, computed only if we cross an initialized tick + uint160 secondsPerLiquidityCumulativeX128; + // whether we've computed and cached the above two accumulators + bool computedLatestObservation; + } + + // the top level state of the swap, the results of which are recorded in storage at the end + struct SwapState { + // the amount remaining to be swapped in/out of the input/output asset + int256 amountSpecifiedRemaining; + // the amount already swapped out/in of the output/input asset + int256 amountCalculated; + // current sqrt(price) + uint160 sqrtPriceX96; + // the tick associated with the current price + int24 tick; + // the global fee growth of the input token + uint256 feeGrowthGlobalX128; + // amount of input token paid as protocol fee + uint128 protocolFee; + // the current liquidity in range + uint128 liquidity; + } + + struct StepComputations { + // the price at the beginning of the step + uint160 sqrtPriceStartX96; + // the next tick to swap to from the current tick in the swap direction + int24 tickNext; + // whether tickNext is initialized or not + bool initialized; + // sqrt(price) for the next tick (1/0) + uint160 sqrtPriceNextX96; + // how much is being swapped in in this step + uint256 amountIn; + // how much is being swapped out + uint256 amountOut; + // how much fee is being paid in + uint256 feeAmount; + } + + /// @inheritdoc IUniswapV3PoolActions + function swap( + address recipient, + bool zeroForOne, + int256 amountSpecified, + uint160 sqrtPriceLimitX96, + bytes calldata data + ) external override noDelegateCall returns (int256 amount0, int256 amount1) { + require(amountSpecified != 0, 'AS'); + + Slot0 memory slot0Start = slot0; + + require(slot0Start.unlocked, 'LOK'); + require( + zeroForOne + ? sqrtPriceLimitX96 < slot0Start.sqrtPriceX96 && sqrtPriceLimitX96 > TickMath.MIN_SQRT_RATIO + : sqrtPriceLimitX96 > slot0Start.sqrtPriceX96 && sqrtPriceLimitX96 < TickMath.MAX_SQRT_RATIO, + 'SPL' + ); + + slot0.unlocked = false; + + SwapCache memory cache = + SwapCache({ + liquidityStart: liquidity, + blockTimestamp: _blockTimestamp(), + feeProtocol: zeroForOne ? (slot0Start.feeProtocol % 16) : (slot0Start.feeProtocol >> 4), + secondsPerLiquidityCumulativeX128: 0, + tickCumulative: 0, + computedLatestObservation: false + }); + + bool exactInput = amountSpecified > 0; + + SwapState memory state = + SwapState({ + amountSpecifiedRemaining: amountSpecified, + amountCalculated: 0, + sqrtPriceX96: slot0Start.sqrtPriceX96, + tick: slot0Start.tick, + feeGrowthGlobalX128: zeroForOne ? feeGrowthGlobal0X128 : feeGrowthGlobal1X128, + protocolFee: 0, + liquidity: cache.liquidityStart + }); + + // continue swapping as long as we haven't used the entire input/output and haven't reached the price limit + while (state.amountSpecifiedRemaining != 0 && state.sqrtPriceX96 != sqrtPriceLimitX96) { + StepComputations memory step; + + step.sqrtPriceStartX96 = state.sqrtPriceX96; + + (step.tickNext, step.initialized) = tickBitmap.nextInitializedTickWithinOneWord( + state.tick, + tickSpacing, + zeroForOne + ); + + // ensure that we do not overshoot the min/max tick, as the tick bitmap is not aware of these bounds + if (step.tickNext < TickMath.MIN_TICK) { + step.tickNext = TickMath.MIN_TICK; + } else if (step.tickNext > TickMath.MAX_TICK) { + step.tickNext = TickMath.MAX_TICK; + } + + // get the price for the next tick + step.sqrtPriceNextX96 = TickMath.getSqrtRatioAtTick(step.tickNext); + + // compute values to swap to the target tick, price limit, or point where input/output amount is exhausted + (state.sqrtPriceX96, step.amountIn, step.amountOut, step.feeAmount) = SwapMath.computeSwapStep( + state.sqrtPriceX96, + (zeroForOne ? step.sqrtPriceNextX96 < sqrtPriceLimitX96 : step.sqrtPriceNextX96 > sqrtPriceLimitX96) + ? sqrtPriceLimitX96 + : step.sqrtPriceNextX96, + state.liquidity, + state.amountSpecifiedRemaining, + fee + ); + + if (exactInput) { + state.amountSpecifiedRemaining -= (step.amountIn + step.feeAmount).toInt256(); + state.amountCalculated = state.amountCalculated.sub(step.amountOut.toInt256()); + } else { + state.amountSpecifiedRemaining += step.amountOut.toInt256(); + state.amountCalculated = state.amountCalculated.add((step.amountIn + step.feeAmount).toInt256()); + } + + // if the protocol fee is on, calculate how much is owed, decrement feeAmount, and increment protocolFee + if (cache.feeProtocol > 0) { + uint256 delta = step.feeAmount / cache.feeProtocol; + step.feeAmount -= delta; + state.protocolFee += uint128(delta); + } + + // update global fee tracker + if (state.liquidity > 0) + state.feeGrowthGlobalX128 += FullMath.mulDiv(step.feeAmount, FixedPoint128.Q128, state.liquidity); + + // shift tick if we reached the next price + if (state.sqrtPriceX96 == step.sqrtPriceNextX96) { + // if the tick is initialized, run the tick transition + if (step.initialized) { + // check for the placeholder value, which we replace with the actual value the first time the swap + // crosses an initialized tick + if (!cache.computedLatestObservation) { + (cache.tickCumulative, cache.secondsPerLiquidityCumulativeX128) = observations.observeSingle( + cache.blockTimestamp, + 0, + slot0Start.tick, + slot0Start.observationIndex, + cache.liquidityStart, + slot0Start.observationCardinality + ); + cache.computedLatestObservation = true; + } + int128 liquidityNet = + ticks.cross( + step.tickNext, + (zeroForOne ? state.feeGrowthGlobalX128 : feeGrowthGlobal0X128), + (zeroForOne ? feeGrowthGlobal1X128 : state.feeGrowthGlobalX128), + cache.secondsPerLiquidityCumulativeX128, + cache.tickCumulative, + cache.blockTimestamp + ); + // if we're moving leftward, we interpret liquidityNet as the opposite sign + // safe because liquidityNet cannot be type(int128).min + if (zeroForOne) liquidityNet = -liquidityNet; + + state.liquidity = LiquidityMath.addDelta(state.liquidity, liquidityNet); + } + + state.tick = zeroForOne ? step.tickNext - 1 : step.tickNext; + } else if (state.sqrtPriceX96 != step.sqrtPriceStartX96) { + // recompute unless we're on a lower tick boundary (i.e. already transitioned ticks), and haven't moved + state.tick = TickMath.getTickAtSqrtRatio(state.sqrtPriceX96); + } + } + + // update tick and write an oracle entry if the tick change + if (state.tick != slot0Start.tick) { + (uint16 observationIndex, uint16 observationCardinality) = + observations.write( + slot0Start.observationIndex, + cache.blockTimestamp, + slot0Start.tick, + cache.liquidityStart, + slot0Start.observationCardinality, + slot0Start.observationCardinalityNext + ); + (slot0.sqrtPriceX96, slot0.tick, slot0.observationIndex, slot0.observationCardinality) = ( + state.sqrtPriceX96, + state.tick, + observationIndex, + observationCardinality + ); + } else { + // otherwise just update the price + slot0.sqrtPriceX96 = state.sqrtPriceX96; + } + + // update liquidity if it changed + if (cache.liquidityStart != state.liquidity) liquidity = state.liquidity; + + // update fee growth global and, if necessary, protocol fees + // overflow is acceptable, protocol has to withdraw before it hits type(uint128).max fees + if (zeroForOne) { + feeGrowthGlobal0X128 = state.feeGrowthGlobalX128; + if (state.protocolFee > 0) protocolFees.token0 += state.protocolFee; + } else { + feeGrowthGlobal1X128 = state.feeGrowthGlobalX128; + if (state.protocolFee > 0) protocolFees.token1 += state.protocolFee; + } + + (amount0, amount1) = zeroForOne == exactInput + ? (amountSpecified - state.amountSpecifiedRemaining, state.amountCalculated) + : (state.amountCalculated, amountSpecified - state.amountSpecifiedRemaining); + + // do the transfers and collect payment + if (zeroForOne) { + if (amount1 < 0) TransferHelper.safeTransfer(token1, recipient, uint256(-amount1)); + + uint256 balance0Before = balance0(); + IUniswapV3SwapCallback(msg.sender).uniswapV3SwapCallback(amount0, amount1, data); + require(balance0Before.add(uint256(amount0)) <= balance0(), 'IIA'); + } else { + if (amount0 < 0) TransferHelper.safeTransfer(token0, recipient, uint256(-amount0)); + + uint256 balance1Before = balance1(); + IUniswapV3SwapCallback(msg.sender).uniswapV3SwapCallback(amount0, amount1, data); + require(balance1Before.add(uint256(amount1)) <= balance1(), 'IIA'); + } + + emit Swap(msg.sender, recipient, amount0, amount1, state.sqrtPriceX96, state.liquidity, state.tick); + slot0.unlocked = true; + } + + /// @inheritdoc IUniswapV3PoolActions + function flash( + address recipient, + uint256 amount0, + uint256 amount1, + bytes calldata data + ) external override lock noDelegateCall { + uint128 _liquidity = liquidity; + require(_liquidity > 0, 'L'); + + uint256 fee0 = FullMath.mulDivRoundingUp(amount0, fee, 1e6); + uint256 fee1 = FullMath.mulDivRoundingUp(amount1, fee, 1e6); + uint256 balance0Before = balance0(); + uint256 balance1Before = balance1(); + + if (amount0 > 0) TransferHelper.safeTransfer(token0, recipient, amount0); + if (amount1 > 0) TransferHelper.safeTransfer(token1, recipient, amount1); + + IUniswapV3FlashCallback(msg.sender).uniswapV3FlashCallback(fee0, fee1, data); + + uint256 balance0After = balance0(); + uint256 balance1After = balance1(); + + require(balance0Before.add(fee0) <= balance0After, 'F0'); + require(balance1Before.add(fee1) <= balance1After, 'F1'); + + // sub is safe because we know balanceAfter is gt balanceBefore by at least fee + uint256 paid0 = balance0After - balance0Before; + uint256 paid1 = balance1After - balance1Before; + + if (paid0 > 0) { + uint8 feeProtocol0 = slot0.feeProtocol % 16; + uint256 fees0 = feeProtocol0 == 0 ? 0 : paid0 / feeProtocol0; + if (uint128(fees0) > 0) protocolFees.token0 += uint128(fees0); + feeGrowthGlobal0X128 += FullMath.mulDiv(paid0 - fees0, FixedPoint128.Q128, _liquidity); + } + if (paid1 > 0) { + uint8 feeProtocol1 = slot0.feeProtocol >> 4; + uint256 fees1 = feeProtocol1 == 0 ? 0 : paid1 / feeProtocol1; + if (uint128(fees1) > 0) protocolFees.token1 += uint128(fees1); + feeGrowthGlobal1X128 += FullMath.mulDiv(paid1 - fees1, FixedPoint128.Q128, _liquidity); + } + + emit Flash(msg.sender, recipient, amount0, amount1, paid0, paid1); + } + + /// @inheritdoc IUniswapV3PoolOwnerActions + function setFeeProtocol(uint8 feeProtocol0, uint8 feeProtocol1) external override lock onlyFactoryOwner { + require( + (feeProtocol0 == 0 || (feeProtocol0 >= 4 && feeProtocol0 <= 10)) && + (feeProtocol1 == 0 || (feeProtocol1 >= 4 && feeProtocol1 <= 10)) + ); + uint8 feeProtocolOld = slot0.feeProtocol; + slot0.feeProtocol = feeProtocol0 + (feeProtocol1 << 4); + emit SetFeeProtocol(feeProtocolOld % 16, feeProtocolOld >> 4, feeProtocol0, feeProtocol1); + } + + /// @inheritdoc IUniswapV3PoolOwnerActions + function collectProtocol( + address recipient, + uint128 amount0Requested, + uint128 amount1Requested + ) external override lock onlyFactoryOwner returns (uint128 amount0, uint128 amount1) { + amount0 = amount0Requested > protocolFees.token0 ? protocolFees.token0 : amount0Requested; + amount1 = amount1Requested > protocolFees.token1 ? protocolFees.token1 : amount1Requested; + + if (amount0 > 0) { + if (amount0 == protocolFees.token0) amount0--; // ensure that the slot is not cleared, for gas savings + protocolFees.token0 -= amount0; + TransferHelper.safeTransfer(token0, recipient, amount0); + } + if (amount1 > 0) { + if (amount1 == protocolFees.token1) amount1--; // ensure that the slot is not cleared, for gas savings + protocolFees.token1 -= amount1; + TransferHelper.safeTransfer(token1, recipient, amount1); + } + + emit CollectProtocol(msg.sender, recipient, amount0, amount1); + } +} diff --git a/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/IERC20Minimal.sol b/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/IERC20Minimal.sol new file mode 100644 index 000000000..c303265a3 --- /dev/null +++ b/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/IERC20Minimal.sol @@ -0,0 +1,52 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +pragma solidity >=0.5.0; + +/// @title Minimal ERC20 interface for Uniswap +/// @notice Contains a subset of the full ERC20 interface that is used in Uniswap V3 +interface IERC20Minimal { + /// @notice Returns the balance of a token + /// @param account The account for which to look up the number of tokens it has, i.e. its balance + /// @return The number of tokens held by the account + function balanceOf(address account) external view returns (uint256); + + /// @notice Transfers the amount of token from the `msg.sender` to the recipient + /// @param recipient The account that will receive the amount transferred + /// @param amount The number of tokens to send from the sender to the recipient + /// @return Returns true for a successful transfer, false for an unsuccessful transfer + function transfer(address recipient, uint256 amount) external returns (bool); + + /// @notice Returns the current allowance given to a spender by an owner + /// @param owner The account of the token owner + /// @param spender The account of the token spender + /// @return The current allowance granted by `owner` to `spender` + function allowance(address owner, address spender) external view returns (uint256); + + /// @notice Sets the allowance of a spender from the `msg.sender` to the value `amount` + /// @param spender The account which will be allowed to spend a given amount of the owners tokens + /// @param amount The amount of tokens allowed to be used by `spender` + /// @return Returns true for a successful approval, false for unsuccessful + function approve(address spender, uint256 amount) external returns (bool); + + /// @notice Transfers `amount` tokens from `sender` to `recipient` up to the allowance given to the `msg.sender` + /// @param sender The account from which the transfer will be initiated + /// @param recipient The recipient of the transfer + /// @param amount The amount of the transfer + /// @return Returns true for a successful transfer, false for unsuccessful + function transferFrom( + address sender, + address recipient, + uint256 amount + ) external returns (bool); + + /// @notice Event emitted when tokens are transferred from one address to another, either via `#transfer` or `#transferFrom`. + /// @param from The account from which the tokens were sent, i.e. the balance decreased + /// @param to The account to which the tokens were sent, i.e. the balance increased + /// @param value The amount of tokens that were transferred + event Transfer(address indexed from, address indexed to, uint256 value); + + /// @notice Event emitted when the approval amount for the spender of a given owner's tokens changes. + /// @param owner The account that approved spending of its tokens + /// @param spender The account for which the spending allowance was modified + /// @param value The new allowance from the owner to the spender + event Approval(address indexed owner, address indexed spender, uint256 value); +} diff --git a/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/IUniswapV3Factory.sol b/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/IUniswapV3Factory.sol new file mode 100644 index 000000000..540cfdc68 --- /dev/null +++ b/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/IUniswapV3Factory.sol @@ -0,0 +1,78 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +pragma solidity >=0.5.0; + +/// @title The interface for the Uniswap V3 Factory +/// @notice The Uniswap V3 Factory facilitates creation of Uniswap V3 pools and control over the protocol fees +interface IUniswapV3Factory { + /// @notice Emitted when the owner of the factory is changed + /// @param oldOwner The owner before the owner was changed + /// @param newOwner The owner after the owner was changed + event OwnerChanged(address indexed oldOwner, address indexed newOwner); + + /// @notice Emitted when a pool is created + /// @param token0 The first token of the pool by address sort order + /// @param token1 The second token of the pool by address sort order + /// @param fee The fee collected upon every swap in the pool, denominated in hundredths of a bip + /// @param tickSpacing The minimum number of ticks between initialized ticks + /// @param pool The address of the created pool + event PoolCreated( + address indexed token0, + address indexed token1, + uint24 indexed fee, + int24 tickSpacing, + address pool + ); + + /// @notice Emitted when a new fee amount is enabled for pool creation via the factory + /// @param fee The enabled fee, denominated in hundredths of a bip + /// @param tickSpacing The minimum number of ticks between initialized ticks for pools created with the given fee + event FeeAmountEnabled(uint24 indexed fee, int24 indexed tickSpacing); + + /// @notice Returns the current owner of the factory + /// @dev Can be changed by the current owner via setOwner + /// @return The address of the factory owner + function owner() external view returns (address); + + /// @notice Returns the tick spacing for a given fee amount, if enabled, or 0 if not enabled + /// @dev A fee amount can never be removed, so this value should be hard coded or cached in the calling context + /// @param fee The enabled fee, denominated in hundredths of a bip. Returns 0 in case of unenabled fee + /// @return The tick spacing + function feeAmountTickSpacing(uint24 fee) external view returns (int24); + + /// @notice Returns the pool address for a given pair of tokens and a fee, or address 0 if it does not exist + /// @dev tokenA and tokenB may be passed in either token0/token1 or token1/token0 order + /// @param tokenA The contract address of either token0 or token1 + /// @param tokenB The contract address of the other token + /// @param fee The fee collected upon every swap in the pool, denominated in hundredths of a bip + /// @return pool The pool address + function getPool( + address tokenA, + address tokenB, + uint24 fee + ) external view returns (address pool); + + /// @notice Creates a pool for the given two tokens and fee + /// @param tokenA One of the two tokens in the desired pool + /// @param tokenB The other of the two tokens in the desired pool + /// @param fee The desired fee for the pool + /// @dev tokenA and tokenB may be passed in either order: token0/token1 or token1/token0. tickSpacing is retrieved + /// from the fee. The call will revert if the pool already exists, the fee is invalid, or the token arguments + /// are invalid. + /// @return pool The address of the newly created pool + function createPool( + address tokenA, + address tokenB, + uint24 fee + ) external returns (address pool); + + /// @notice Updates the owner of the factory + /// @dev Must be called by the current owner + /// @param _owner The new owner of the factory + function setOwner(address _owner) external; + + /// @notice Enables a fee amount with the given tickSpacing + /// @dev Fee amounts may never be removed once enabled + /// @param fee The fee amount to enable, denominated in hundredths of a bip (i.e. 1e-6) + /// @param tickSpacing The spacing between ticks to be enforced for all pools created with the given fee amount + function enableFeeAmount(uint24 fee, int24 tickSpacing) external; +} diff --git a/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/IUniswapV3Pool.sol b/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/IUniswapV3Pool.sol new file mode 100644 index 000000000..56df0500d --- /dev/null +++ b/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/IUniswapV3Pool.sol @@ -0,0 +1,24 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +pragma solidity >=0.5.0; + +import './pool/IUniswapV3PoolImmutables.sol'; +import './pool/IUniswapV3PoolState.sol'; +import './pool/IUniswapV3PoolDerivedState.sol'; +import './pool/IUniswapV3PoolActions.sol'; +import './pool/IUniswapV3PoolOwnerActions.sol'; +import './pool/IUniswapV3PoolEvents.sol'; + +/// @title The interface for a Uniswap V3 Pool +/// @notice A Uniswap pool facilitates swapping and automated market making between any two assets that strictly conform +/// to the ERC20 specification +/// @dev The pool interface is broken up into many smaller pieces +interface IUniswapV3Pool is + IUniswapV3PoolImmutables, + IUniswapV3PoolState, + IUniswapV3PoolDerivedState, + IUniswapV3PoolActions, + IUniswapV3PoolOwnerActions, + IUniswapV3PoolEvents +{ + +} diff --git a/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/IUniswapV3PoolDeployer.sol b/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/IUniswapV3PoolDeployer.sol new file mode 100644 index 000000000..72096c1ff --- /dev/null +++ b/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/IUniswapV3PoolDeployer.sol @@ -0,0 +1,26 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +pragma solidity >=0.5.0; + +/// @title An interface for a contract that is capable of deploying Uniswap V3 Pools +/// @notice A contract that constructs a pool must implement this to pass arguments to the pool +/// @dev This is used to avoid having constructor arguments in the pool contract, which results in the init code hash +/// of the pool being constant allowing the CREATE2 address of the pool to be cheaply computed on-chain +interface IUniswapV3PoolDeployer { + /// @notice Get the parameters to be used in constructing the pool, set transiently during pool creation. + /// @dev Called by the pool constructor to fetch the parameters of the pool + /// Returns factory The factory address + /// Returns token0 The first token of the pool by address sort order + /// Returns token1 The second token of the pool by address sort order + /// Returns fee The fee collected upon every swap in the pool, denominated in hundredths of a bip + /// Returns tickSpacing The minimum number of ticks between initialized ticks + function parameters() + external + view + returns ( + address factory, + address token0, + address token1, + uint24 fee, + int24 tickSpacing + ); +} diff --git a/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/callback/IUniswapV3FlashCallback.sol b/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/callback/IUniswapV3FlashCallback.sol new file mode 100644 index 000000000..18e54c4e1 --- /dev/null +++ b/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/callback/IUniswapV3FlashCallback.sol @@ -0,0 +1,18 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +pragma solidity >=0.5.0; + +/// @title Callback for IUniswapV3PoolActions#flash +/// @notice Any contract that calls IUniswapV3PoolActions#flash must implement this interface +interface IUniswapV3FlashCallback { + /// @notice Called to `msg.sender` after transferring to the recipient from IUniswapV3Pool#flash. + /// @dev In the implementation you must repay the pool the tokens sent by flash plus the computed fee amounts. + /// The caller of this method must be checked to be a UniswapV3Pool deployed by the canonical UniswapV3Factory. + /// @param fee0 The fee amount in token0 due to the pool by the end of the flash + /// @param fee1 The fee amount in token1 due to the pool by the end of the flash + /// @param data Any data passed through by the caller via the IUniswapV3PoolActions#flash call + function uniswapV3FlashCallback( + uint256 fee0, + uint256 fee1, + bytes calldata data + ) external; +} diff --git a/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/callback/IUniswapV3MintCallback.sol b/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/callback/IUniswapV3MintCallback.sol new file mode 100644 index 000000000..85447e84f --- /dev/null +++ b/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/callback/IUniswapV3MintCallback.sol @@ -0,0 +1,18 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +pragma solidity >=0.5.0; + +/// @title Callback for IUniswapV3PoolActions#mint +/// @notice Any contract that calls IUniswapV3PoolActions#mint must implement this interface +interface IUniswapV3MintCallback { + /// @notice Called to `msg.sender` after minting liquidity to a position from IUniswapV3Pool#mint. + /// @dev In the implementation you must pay the pool tokens owed for the minted liquidity. + /// The caller of this method must be checked to be a UniswapV3Pool deployed by the canonical UniswapV3Factory. + /// @param amount0Owed The amount of token0 due to the pool for the minted liquidity + /// @param amount1Owed The amount of token1 due to the pool for the minted liquidity + /// @param data Any data passed through by the caller via the IUniswapV3PoolActions#mint call + function uniswapV3MintCallback( + uint256 amount0Owed, + uint256 amount1Owed, + bytes calldata data + ) external; +} diff --git a/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/callback/IUniswapV3SwapCallback.sol b/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/callback/IUniswapV3SwapCallback.sol new file mode 100644 index 000000000..9f183b22a --- /dev/null +++ b/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/callback/IUniswapV3SwapCallback.sol @@ -0,0 +1,21 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +pragma solidity >=0.5.0; + +/// @title Callback for IUniswapV3PoolActions#swap +/// @notice Any contract that calls IUniswapV3PoolActions#swap must implement this interface +interface IUniswapV3SwapCallback { + /// @notice Called to `msg.sender` after executing a swap via IUniswapV3Pool#swap. + /// @dev In the implementation you must pay the pool tokens owed for the swap. + /// The caller of this method must be checked to be a UniswapV3Pool deployed by the canonical UniswapV3Factory. + /// amount0Delta and amount1Delta can both be 0 if no tokens were swapped. + /// @param amount0Delta The amount of token0 that was sent (negative) or must be received (positive) by the pool by + /// the end of the swap. If positive, the callback must send that amount of token0 to the pool. + /// @param amount1Delta The amount of token1 that was sent (negative) or must be received (positive) by the pool by + /// the end of the swap. If positive, the callback must send that amount of token1 to the pool. + /// @param data Any data passed through by the caller via the IUniswapV3PoolActions#swap call + function uniswapV3SwapCallback( + int256 amount0Delta, + int256 amount1Delta, + bytes calldata data + ) external; +} diff --git a/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/pool/IUniswapV3PoolActions.sol b/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/pool/IUniswapV3PoolActions.sol new file mode 100644 index 000000000..44fb61c24 --- /dev/null +++ b/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/pool/IUniswapV3PoolActions.sol @@ -0,0 +1,103 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +pragma solidity >=0.5.0; + +/// @title Permissionless pool actions +/// @notice Contains pool methods that can be called by anyone +interface IUniswapV3PoolActions { + /// @notice Sets the initial price for the pool + /// @dev Price is represented as a sqrt(amountToken1/amountToken0) Q64.96 value + /// @param sqrtPriceX96 the initial sqrt price of the pool as a Q64.96 + function initialize(uint160 sqrtPriceX96) external; + + /// @notice Adds liquidity for the given recipient/tickLower/tickUpper position + /// @dev The caller of this method receives a callback in the form of IUniswapV3MintCallback#uniswapV3MintCallback + /// in which they must pay any token0 or token1 owed for the liquidity. The amount of token0/token1 due depends + /// on tickLower, tickUpper, the amount of liquidity, and the current price. + /// @param recipient The address for which the liquidity will be created + /// @param tickLower The lower tick of the position in which to add liquidity + /// @param tickUpper The upper tick of the position in which to add liquidity + /// @param amount The amount of liquidity to mint + /// @param data Any data that should be passed through to the callback + /// @return amount0 The amount of token0 that was paid to mint the given amount of liquidity. Matches the value in the callback + /// @return amount1 The amount of token1 that was paid to mint the given amount of liquidity. Matches the value in the callback + function mint( + address recipient, + int24 tickLower, + int24 tickUpper, + uint128 amount, + bytes calldata data + ) external returns (uint256 amount0, uint256 amount1); + + /// @notice Collects tokens owed to a position + /// @dev Does not recompute fees earned, which must be done either via mint or burn of any amount of liquidity. + /// Collect must be called by the position owner. To withdraw only token0 or only token1, amount0Requested or + /// amount1Requested may be set to zero. To withdraw all tokens owed, caller may pass any value greater than the + /// actual tokens owed, e.g. type(uint128).max. Tokens owed may be from accumulated swap fees or burned liquidity. + /// @param recipient The address which should receive the fees collected + /// @param tickLower The lower tick of the position for which to collect fees + /// @param tickUpper The upper tick of the position for which to collect fees + /// @param amount0Requested How much token0 should be withdrawn from the fees owed + /// @param amount1Requested How much token1 should be withdrawn from the fees owed + /// @return amount0 The amount of fees collected in token0 + /// @return amount1 The amount of fees collected in token1 + function collect( + address recipient, + int24 tickLower, + int24 tickUpper, + uint128 amount0Requested, + uint128 amount1Requested + ) external returns (uint128 amount0, uint128 amount1); + + /// @notice Burn liquidity from the sender and account tokens owed for the liquidity to the position + /// @dev Can be used to trigger a recalculation of fees owed to a position by calling with an amount of 0 + /// @dev Fees must be collected separately via a call to #collect + /// @param tickLower The lower tick of the position for which to burn liquidity + /// @param tickUpper The upper tick of the position for which to burn liquidity + /// @param amount How much liquidity to burn + /// @return amount0 The amount of token0 sent to the recipient + /// @return amount1 The amount of token1 sent to the recipient + function burn( + int24 tickLower, + int24 tickUpper, + uint128 amount + ) external returns (uint256 amount0, uint256 amount1); + + /// @notice Swap token0 for token1, or token1 for token0 + /// @dev The caller of this method receives a callback in the form of IUniswapV3SwapCallback#uniswapV3SwapCallback + /// @param recipient The address to receive the output of the swap + /// @param zeroForOne The direction of the swap, true for token0 to token1, false for token1 to token0 + /// @param amountSpecified The amount of the swap, which implicitly configures the swap as exact input (positive), or exact output (negative) + /// @param sqrtPriceLimitX96 The Q64.96 sqrt price limit. If zero for one, the price cannot be less than this + /// value after the swap. If one for zero, the price cannot be greater than this value after the swap + /// @param data Any data to be passed through to the callback + /// @return amount0 The delta of the balance of token0 of the pool, exact when negative, minimum when positive + /// @return amount1 The delta of the balance of token1 of the pool, exact when negative, minimum when positive + function swap( + address recipient, + bool zeroForOne, + int256 amountSpecified, + uint160 sqrtPriceLimitX96, + bytes calldata data + ) external returns (int256 amount0, int256 amount1); + + /// @notice Receive token0 and/or token1 and pay it back, plus a fee, in the callback + /// @dev The caller of this method receives a callback in the form of IUniswapV3FlashCallback#uniswapV3FlashCallback + /// @dev Can be used to donate underlying tokens pro-rata to currently in-range liquidity providers by calling + /// with 0 amount{0,1} and sending the donation amount(s) from the callback + /// @param recipient The address which will receive the token0 and token1 amounts + /// @param amount0 The amount of token0 to send + /// @param amount1 The amount of token1 to send + /// @param data Any data to be passed through to the callback + function flash( + address recipient, + uint256 amount0, + uint256 amount1, + bytes calldata data + ) external; + + /// @notice Increase the maximum number of price and liquidity observations that this pool will store + /// @dev This method is no-op if the pool already has an observationCardinalityNext greater than or equal to + /// the input observationCardinalityNext. + /// @param observationCardinalityNext The desired minimum number of observations for the pool to store + function increaseObservationCardinalityNext(uint16 observationCardinalityNext) external; +} diff --git a/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/pool/IUniswapV3PoolDerivedState.sol b/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/pool/IUniswapV3PoolDerivedState.sol new file mode 100644 index 000000000..eda3a0089 --- /dev/null +++ b/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/pool/IUniswapV3PoolDerivedState.sol @@ -0,0 +1,40 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +pragma solidity >=0.5.0; + +/// @title Pool state that is not stored +/// @notice Contains view functions to provide information about the pool that is computed rather than stored on the +/// blockchain. The functions here may have variable gas costs. +interface IUniswapV3PoolDerivedState { + /// @notice Returns the cumulative tick and liquidity as of each timestamp `secondsAgo` from the current block timestamp + /// @dev To get a time weighted average tick or liquidity-in-range, you must call this with two values, one representing + /// the beginning of the period and another for the end of the period. E.g., to get the last hour time-weighted average tick, + /// you must call it with secondsAgos = [3600, 0]. + /// @dev The time weighted average tick represents the geometric time weighted average price of the pool, in + /// log base sqrt(1.0001) of token1 / token0. The TickMath library can be used to go from a tick value to a ratio. + /// @param secondsAgos From how long ago each cumulative tick and liquidity value should be returned + /// @return tickCumulatives Cumulative tick values as of each `secondsAgos` from the current block timestamp + /// @return secondsPerLiquidityCumulativeX128s Cumulative seconds per liquidity-in-range value as of each `secondsAgos` from the current block + /// timestamp + function observe(uint32[] calldata secondsAgos) + external + view + returns (int56[] memory tickCumulatives, uint160[] memory secondsPerLiquidityCumulativeX128s); + + /// @notice Returns a snapshot of the tick cumulative, seconds per liquidity and seconds inside a tick range + /// @dev Snapshots must only be compared to other snapshots, taken over a period for which a position existed. + /// I.e., snapshots cannot be compared if a position is not held for the entire period between when the first + /// snapshot is taken and the second snapshot is taken. + /// @param tickLower The lower tick of the range + /// @param tickUpper The upper tick of the range + /// @return tickCumulativeInside The snapshot of the tick accumulator for the range + /// @return secondsPerLiquidityInsideX128 The snapshot of seconds per liquidity for the range + /// @return secondsInside The snapshot of seconds per liquidity for the range + function snapshotCumulativesInside(int24 tickLower, int24 tickUpper) + external + view + returns ( + int56 tickCumulativeInside, + uint160 secondsPerLiquidityInsideX128, + uint32 secondsInside + ); +} diff --git a/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/pool/IUniswapV3PoolEvents.sol b/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/pool/IUniswapV3PoolEvents.sol new file mode 100644 index 000000000..9d915dde9 --- /dev/null +++ b/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/pool/IUniswapV3PoolEvents.sol @@ -0,0 +1,121 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +pragma solidity >=0.5.0; + +/// @title Events emitted by a pool +/// @notice Contains all events emitted by the pool +interface IUniswapV3PoolEvents { + /// @notice Emitted exactly once by a pool when #initialize is first called on the pool + /// @dev Mint/Burn/Swap cannot be emitted by the pool before Initialize + /// @param sqrtPriceX96 The initial sqrt price of the pool, as a Q64.96 + /// @param tick The initial tick of the pool, i.e. log base 1.0001 of the starting price of the pool + event Initialize(uint160 sqrtPriceX96, int24 tick); + + /// @notice Emitted when liquidity is minted for a given position + /// @param sender The address that minted the liquidity + /// @param owner The owner of the position and recipient of any minted liquidity + /// @param tickLower The lower tick of the position + /// @param tickUpper The upper tick of the position + /// @param amount The amount of liquidity minted to the position range + /// @param amount0 How much token0 was required for the minted liquidity + /// @param amount1 How much token1 was required for the minted liquidity + event Mint( + address sender, + address indexed owner, + int24 indexed tickLower, + int24 indexed tickUpper, + uint128 amount, + uint256 amount0, + uint256 amount1 + ); + + /// @notice Emitted when fees are collected by the owner of a position + /// @dev Collect events may be emitted with zero amount0 and amount1 when the caller chooses not to collect fees + /// @param owner The owner of the position for which fees are collected + /// @param tickLower The lower tick of the position + /// @param tickUpper The upper tick of the position + /// @param amount0 The amount of token0 fees collected + /// @param amount1 The amount of token1 fees collected + event Collect( + address indexed owner, + address recipient, + int24 indexed tickLower, + int24 indexed tickUpper, + uint128 amount0, + uint128 amount1 + ); + + /// @notice Emitted when a position's liquidity is removed + /// @dev Does not withdraw any fees earned by the liquidity position, which must be withdrawn via #collect + /// @param owner The owner of the position for which liquidity is removed + /// @param tickLower The lower tick of the position + /// @param tickUpper The upper tick of the position + /// @param amount The amount of liquidity to remove + /// @param amount0 The amount of token0 withdrawn + /// @param amount1 The amount of token1 withdrawn + event Burn( + address indexed owner, + int24 indexed tickLower, + int24 indexed tickUpper, + uint128 amount, + uint256 amount0, + uint256 amount1 + ); + + /// @notice Emitted by the pool for any swaps between token0 and token1 + /// @param sender The address that initiated the swap call, and that received the callback + /// @param recipient The address that received the output of the swap + /// @param amount0 The delta of the token0 balance of the pool + /// @param amount1 The delta of the token1 balance of the pool + /// @param sqrtPriceX96 The sqrt(price) of the pool after the swap, as a Q64.96 + /// @param liquidity The liquidity of the pool after the swap + /// @param tick The log base 1.0001 of price of the pool after the swap + event Swap( + address indexed sender, + address indexed recipient, + int256 amount0, + int256 amount1, + uint160 sqrtPriceX96, + uint128 liquidity, + int24 tick + ); + + /// @notice Emitted by the pool for any flashes of token0/token1 + /// @param sender The address that initiated the swap call, and that received the callback + /// @param recipient The address that received the tokens from flash + /// @param amount0 The amount of token0 that was flashed + /// @param amount1 The amount of token1 that was flashed + /// @param paid0 The amount of token0 paid for the flash, which can exceed the amount0 plus the fee + /// @param paid1 The amount of token1 paid for the flash, which can exceed the amount1 plus the fee + event Flash( + address indexed sender, + address indexed recipient, + uint256 amount0, + uint256 amount1, + uint256 paid0, + uint256 paid1 + ); + + /// @notice Emitted by the pool for increases to the number of observations that can be stored + /// @dev observationCardinalityNext is not the observation cardinality until an observation is written at the index + /// just before a mint/swap/burn. + /// @param observationCardinalityNextOld The previous value of the next observation cardinality + /// @param observationCardinalityNextNew The updated value of the next observation cardinality + event IncreaseObservationCardinalityNext( + uint16 observationCardinalityNextOld, + uint16 observationCardinalityNextNew + ); + + /// @notice Emitted when the protocol fee is changed by the pool + /// @param feeProtocol0Old The previous value of the token0 protocol fee + /// @param feeProtocol1Old The previous value of the token1 protocol fee + /// @param feeProtocol0New The updated value of the token0 protocol fee + /// @param feeProtocol1New The updated value of the token1 protocol fee + event SetFeeProtocol(uint8 feeProtocol0Old, uint8 feeProtocol1Old, uint8 feeProtocol0New, uint8 feeProtocol1New); + + /// @notice Emitted when the collected protocol fees are withdrawn by the factory owner + /// @param sender The address that collects the protocol fees + /// @param recipient The address that receives the collected protocol fees + /// @param amount0 The amount of token0 protocol fees that is withdrawn + /// @param amount0 The amount of token1 protocol fees that is withdrawn + event CollectProtocol(address indexed sender, address indexed recipient, uint128 amount0, uint128 amount1); +} diff --git a/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/pool/IUniswapV3PoolImmutables.sol b/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/pool/IUniswapV3PoolImmutables.sol new file mode 100644 index 000000000..c9beb151e --- /dev/null +++ b/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/pool/IUniswapV3PoolImmutables.sol @@ -0,0 +1,35 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +pragma solidity >=0.5.0; + +/// @title Pool state that never changes +/// @notice These parameters are fixed for a pool forever, i.e., the methods will always return the same values +interface IUniswapV3PoolImmutables { + /// @notice The contract that deployed the pool, which must adhere to the IUniswapV3Factory interface + /// @return The contract address + function factory() external view returns (address); + + /// @notice The first of the two tokens of the pool, sorted by address + /// @return The token contract address + function token0() external view returns (address); + + /// @notice The second of the two tokens of the pool, sorted by address + /// @return The token contract address + function token1() external view returns (address); + + /// @notice The pool's fee in hundredths of a bip, i.e. 1e-6 + /// @return The fee + function fee() external view returns (uint24); + + /// @notice The pool tick spacing + /// @dev Ticks can only be used at multiples of this value, minimum of 1 and always positive + /// e.g.: a tickSpacing of 3 means ticks can be initialized every 3rd tick, i.e., ..., -6, -3, 0, 3, 6, ... + /// This value is an int24 to avoid casting even though it is always positive. + /// @return The tick spacing + function tickSpacing() external view returns (int24); + + /// @notice The maximum amount of position liquidity that can use any tick in the range + /// @dev This parameter is enforced per tick to prevent liquidity from overflowing a uint128 at any point, and + /// also prevents out-of-range liquidity from being used to prevent adding in-range liquidity to a pool + /// @return The max amount of liquidity per tick + function maxLiquidityPerTick() external view returns (uint128); +} diff --git a/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/pool/IUniswapV3PoolOwnerActions.sol b/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/pool/IUniswapV3PoolOwnerActions.sol new file mode 100644 index 000000000..2395ed321 --- /dev/null +++ b/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/pool/IUniswapV3PoolOwnerActions.sol @@ -0,0 +1,23 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +pragma solidity >=0.5.0; + +/// @title Permissioned pool actions +/// @notice Contains pool methods that may only be called by the factory owner +interface IUniswapV3PoolOwnerActions { + /// @notice Set the denominator of the protocol's % share of the fees + /// @param feeProtocol0 new protocol fee for token0 of the pool + /// @param feeProtocol1 new protocol fee for token1 of the pool + function setFeeProtocol(uint8 feeProtocol0, uint8 feeProtocol1) external; + + /// @notice Collect the protocol fee accrued to the pool + /// @param recipient The address to which collected protocol fees should be sent + /// @param amount0Requested The maximum amount of token0 to send, can be 0 to collect fees in only token1 + /// @param amount1Requested The maximum amount of token1 to send, can be 0 to collect fees in only token0 + /// @return amount0 The protocol fee collected in token0 + /// @return amount1 The protocol fee collected in token1 + function collectProtocol( + address recipient, + uint128 amount0Requested, + uint128 amount1Requested + ) external returns (uint128 amount0, uint128 amount1); +} diff --git a/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/pool/IUniswapV3PoolState.sol b/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/pool/IUniswapV3PoolState.sol new file mode 100644 index 000000000..620256c31 --- /dev/null +++ b/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/pool/IUniswapV3PoolState.sol @@ -0,0 +1,116 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +pragma solidity >=0.5.0; + +/// @title Pool state that can change +/// @notice These methods compose the pool's state, and can change with any frequency including multiple times +/// per transaction +interface IUniswapV3PoolState { + /// @notice The 0th storage slot in the pool stores many values, and is exposed as a single method to save gas + /// when accessed externally. + /// @return sqrtPriceX96 The current price of the pool as a sqrt(token1/token0) Q64.96 value + /// tick The current tick of the pool, i.e. according to the last tick transition that was run. + /// This value may not always be equal to SqrtTickMath.getTickAtSqrtRatio(sqrtPriceX96) if the price is on a tick + /// boundary. + /// observationIndex The index of the last oracle observation that was written, + /// observationCardinality The current maximum number of observations stored in the pool, + /// observationCardinalityNext The next maximum number of observations, to be updated when the observation. + /// feeProtocol The protocol fee for both tokens of the pool. + /// Encoded as two 4 bit values, where the protocol fee of token1 is shifted 4 bits and the protocol fee of token0 + /// is the lower 4 bits. Used as the denominator of a fraction of the swap fee, e.g. 4 means 1/4th of the swap fee. + /// unlocked Whether the pool is currently locked to reentrancy + function slot0() + external + view + returns ( + uint160 sqrtPriceX96, + int24 tick, + uint16 observationIndex, + uint16 observationCardinality, + uint16 observationCardinalityNext, + uint8 feeProtocol, + bool unlocked + ); + + /// @notice The fee growth as a Q128.128 fees of token0 collected per unit of liquidity for the entire life of the pool + /// @dev This value can overflow the uint256 + function feeGrowthGlobal0X128() external view returns (uint256); + + /// @notice The fee growth as a Q128.128 fees of token1 collected per unit of liquidity for the entire life of the pool + /// @dev This value can overflow the uint256 + function feeGrowthGlobal1X128() external view returns (uint256); + + /// @notice The amounts of token0 and token1 that are owed to the protocol + /// @dev Protocol fees will never exceed uint128 max in either token + function protocolFees() external view returns (uint128 token0, uint128 token1); + + /// @notice The currently in range liquidity available to the pool + /// @dev This value has no relationship to the total liquidity across all ticks + function liquidity() external view returns (uint128); + + /// @notice Look up information about a specific tick in the pool + /// @param tick The tick to look up + /// @return liquidityGross the total amount of position liquidity that uses the pool either as tick lower or + /// tick upper, + /// liquidityNet how much liquidity changes when the pool price crosses the tick, + /// feeGrowthOutside0X128 the fee growth on the other side of the tick from the current tick in token0, + /// feeGrowthOutside1X128 the fee growth on the other side of the tick from the current tick in token1, + /// tickCumulativeOutside the cumulative tick value on the other side of the tick from the current tick + /// secondsPerLiquidityOutsideX128 the seconds spent per liquidity on the other side of the tick from the current tick, + /// secondsOutside the seconds spent on the other side of the tick from the current tick, + /// initialized Set to true if the tick is initialized, i.e. liquidityGross is greater than 0, otherwise equal to false. + /// Outside values can only be used if the tick is initialized, i.e. if liquidityGross is greater than 0. + /// In addition, these values are only relative and must be used only in comparison to previous snapshots for + /// a specific position. + function ticks(int24 tick) + external + view + returns ( + uint128 liquidityGross, + int128 liquidityNet, + uint256 feeGrowthOutside0X128, + uint256 feeGrowthOutside1X128, + int56 tickCumulativeOutside, + uint160 secondsPerLiquidityOutsideX128, + uint32 secondsOutside, + bool initialized + ); + + /// @notice Returns 256 packed tick initialized boolean values. See TickBitmap for more information + function tickBitmap(int16 wordPosition) external view returns (uint256); + + /// @notice Returns the information about a position by the position's key + /// @param key The position's key is a hash of a preimage composed by the owner, tickLower and tickUpper + /// @return _liquidity The amount of liquidity in the position, + /// Returns feeGrowthInside0LastX128 fee growth of token0 inside the tick range as of the last mint/burn/poke, + /// Returns feeGrowthInside1LastX128 fee growth of token1 inside the tick range as of the last mint/burn/poke, + /// Returns tokensOwed0 the computed amount of token0 owed to the position as of the last mint/burn/poke, + /// Returns tokensOwed1 the computed amount of token1 owed to the position as of the last mint/burn/poke + function positions(bytes32 key) + external + view + returns ( + uint128 _liquidity, + uint256 feeGrowthInside0LastX128, + uint256 feeGrowthInside1LastX128, + uint128 tokensOwed0, + uint128 tokensOwed1 + ); + + /// @notice Returns data about a specific observation index + /// @param index The element of the observations array to fetch + /// @dev You most likely want to use #observe() instead of this method to get an observation as of some amount of time + /// ago, rather than at a specific index in the array. + /// @return blockTimestamp The timestamp of the observation, + /// Returns tickCumulative the tick multiplied by seconds elapsed for the life of the pool as of the observation timestamp, + /// Returns secondsPerLiquidityCumulativeX128 the seconds per in range liquidity for the life of the pool as of the observation timestamp, + /// Returns initialized whether the observation has been initialized and the values are safe to use + function observations(uint256 index) + external + view + returns ( + uint32 blockTimestamp, + int56 tickCumulative, + uint160 secondsPerLiquidityCumulativeX128, + bool initialized + ); +} diff --git a/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/BitMath.sol b/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/BitMath.sol new file mode 100644 index 000000000..3a7216c7b --- /dev/null +++ b/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/BitMath.sol @@ -0,0 +1,94 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +pragma solidity >=0.5.0; + +/// @title BitMath +/// @dev This library provides functionality for computing bit properties of an unsigned integer +library BitMath { + /// @notice Returns the index of the most significant bit of the number, + /// where the least significant bit is at index 0 and the most significant bit is at index 255 + /// @dev The function satisfies the property: + /// x >= 2**mostSignificantBit(x) and x < 2**(mostSignificantBit(x)+1) + /// @param x the value for which to compute the most significant bit, must be greater than 0 + /// @return r the index of the most significant bit + function mostSignificantBit(uint256 x) internal pure returns (uint8 r) { + require(x > 0); + + if (x >= 0x100000000000000000000000000000000) { + x >>= 128; + r += 128; + } + if (x >= 0x10000000000000000) { + x >>= 64; + r += 64; + } + if (x >= 0x100000000) { + x >>= 32; + r += 32; + } + if (x >= 0x10000) { + x >>= 16; + r += 16; + } + if (x >= 0x100) { + x >>= 8; + r += 8; + } + if (x >= 0x10) { + x >>= 4; + r += 4; + } + if (x >= 0x4) { + x >>= 2; + r += 2; + } + if (x >= 0x2) r += 1; + } + + /// @notice Returns the index of the least significant bit of the number, + /// where the least significant bit is at index 0 and the most significant bit is at index 255 + /// @dev The function satisfies the property: + /// (x & 2**leastSignificantBit(x)) != 0 and (x & (2**(leastSignificantBit(x)) - 1)) == 0) + /// @param x the value for which to compute the least significant bit, must be greater than 0 + /// @return r the index of the least significant bit + function leastSignificantBit(uint256 x) internal pure returns (uint8 r) { + require(x > 0); + + r = 255; + if (x & type(uint128).max > 0) { + r -= 128; + } else { + x >>= 128; + } + if (x & type(uint64).max > 0) { + r -= 64; + } else { + x >>= 64; + } + if (x & type(uint32).max > 0) { + r -= 32; + } else { + x >>= 32; + } + if (x & type(uint16).max > 0) { + r -= 16; + } else { + x >>= 16; + } + if (x & type(uint8).max > 0) { + r -= 8; + } else { + x >>= 8; + } + if (x & 0xf > 0) { + r -= 4; + } else { + x >>= 4; + } + if (x & 0x3 > 0) { + r -= 2; + } else { + x >>= 2; + } + if (x & 0x1 > 0) r -= 1; + } +} diff --git a/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/FixedPoint128.sol b/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/FixedPoint128.sol new file mode 100644 index 000000000..6d6948b10 --- /dev/null +++ b/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/FixedPoint128.sol @@ -0,0 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +pragma solidity >=0.4.0; + +/// @title FixedPoint128 +/// @notice A library for handling binary fixed point numbers, see https://en.wikipedia.org/wiki/Q_(number_format) +library FixedPoint128 { + uint256 internal constant Q128 = 0x100000000000000000000000000000000; +} diff --git a/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/FixedPoint96.sol b/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/FixedPoint96.sol new file mode 100644 index 000000000..63b42c294 --- /dev/null +++ b/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/FixedPoint96.sol @@ -0,0 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +pragma solidity >=0.4.0; + +/// @title FixedPoint96 +/// @notice A library for handling binary fixed point numbers, see https://en.wikipedia.org/wiki/Q_(number_format) +/// @dev Used in SqrtPriceMath.sol +library FixedPoint96 { + uint8 internal constant RESOLUTION = 96; + uint256 internal constant Q96 = 0x1000000000000000000000000; +} diff --git a/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/FullMath.sol b/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/FullMath.sol new file mode 100644 index 000000000..8688a1773 --- /dev/null +++ b/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/FullMath.sol @@ -0,0 +1,124 @@ +// SPDX-License-Identifier: MIT +pragma solidity >=0.4.0; + +/// @title Contains 512-bit math functions +/// @notice Facilitates multiplication and division that can have overflow of an intermediate value without any loss of precision +/// @dev Handles "phantom overflow" i.e., allows multiplication and division where an intermediate value overflows 256 bits +library FullMath { + /// @notice Calculates floor(a×b÷denominator) with full precision. Throws if result overflows a uint256 or denominator == 0 + /// @param a The multiplicand + /// @param b The multiplier + /// @param denominator The divisor + /// @return result The 256-bit result + /// @dev Credit to Remco Bloemen under MIT license https://xn--2-umb.com/21/muldiv + function mulDiv( + uint256 a, + uint256 b, + uint256 denominator + ) internal pure returns (uint256 result) { + // 512-bit multiply [prod1 prod0] = a * b + // Compute the product mod 2**256 and mod 2**256 - 1 + // then use the Chinese Remainder Theorem to reconstruct + // the 512 bit result. The result is stored in two 256 + // variables such that product = prod1 * 2**256 + prod0 + uint256 prod0; // Least significant 256 bits of the product + uint256 prod1; // Most significant 256 bits of the product + assembly { + let mm := mulmod(a, b, not(0)) + prod0 := mul(a, b) + prod1 := sub(sub(mm, prod0), lt(mm, prod0)) + } + + // Handle non-overflow cases, 256 by 256 division + if (prod1 == 0) { + require(denominator > 0); + assembly { + result := div(prod0, denominator) + } + return result; + } + + // Make sure the result is less than 2**256. + // Also prevents denominator == 0 + require(denominator > prod1); + + /////////////////////////////////////////////// + // 512 by 256 division. + /////////////////////////////////////////////// + + // Make division exact by subtracting the remainder from [prod1 prod0] + // Compute remainder using mulmod + uint256 remainder; + assembly { + remainder := mulmod(a, b, denominator) + } + // Subtract 256 bit number from 512 bit number + assembly { + prod1 := sub(prod1, gt(remainder, prod0)) + prod0 := sub(prod0, remainder) + } + + // Factor powers of two out of denominator + // Compute largest power of two divisor of denominator. + // Always >= 1. + uint256 twos = -denominator & denominator; + // Divide denominator by power of two + assembly { + denominator := div(denominator, twos) + } + + // Divide [prod1 prod0] by the factors of two + assembly { + prod0 := div(prod0, twos) + } + // Shift in bits from prod1 into prod0. For this we need + // to flip `twos` such that it is 2**256 / twos. + // If twos is zero, then it becomes one + assembly { + twos := add(div(sub(0, twos), twos), 1) + } + prod0 |= prod1 * twos; + + // Invert denominator mod 2**256 + // Now that denominator is an odd number, it has an inverse + // modulo 2**256 such that denominator * inv = 1 mod 2**256. + // Compute the inverse by starting with a seed that is correct + // correct for four bits. That is, denominator * inv = 1 mod 2**4 + uint256 inv = (3 * denominator) ^ 2; + // Now use Newton-Raphson iteration to improve the precision. + // Thanks to Hensel's lifting lemma, this also works in modular + // arithmetic, doubling the correct bits in each step. + inv *= 2 - denominator * inv; // inverse mod 2**8 + inv *= 2 - denominator * inv; // inverse mod 2**16 + inv *= 2 - denominator * inv; // inverse mod 2**32 + inv *= 2 - denominator * inv; // inverse mod 2**64 + inv *= 2 - denominator * inv; // inverse mod 2**128 + inv *= 2 - denominator * inv; // inverse mod 2**256 + + // Because the division is now exact we can divide by multiplying + // with the modular inverse of denominator. This will give us the + // correct result modulo 2**256. Since the precoditions guarantee + // that the outcome is less than 2**256, this is the final result. + // We don't need to compute the high bits of the result and prod1 + // is no longer required. + result = prod0 * inv; + return result; + } + + /// @notice Calculates ceil(a×b÷denominator) with full precision. Throws if result overflows a uint256 or denominator == 0 + /// @param a The multiplicand + /// @param b The multiplier + /// @param denominator The divisor + /// @return result The 256-bit result + function mulDivRoundingUp( + uint256 a, + uint256 b, + uint256 denominator + ) internal pure returns (uint256 result) { + result = mulDiv(a, b, denominator); + if (mulmod(a, b, denominator) > 0) { + require(result < type(uint256).max); + result++; + } + } +} diff --git a/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/LiquidityMath.sol b/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/LiquidityMath.sol new file mode 100644 index 000000000..d5e23032e --- /dev/null +++ b/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/LiquidityMath.sol @@ -0,0 +1,17 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +pragma solidity >=0.5.0; + +/// @title Math library for liquidity +library LiquidityMath { + /// @notice Add a signed liquidity delta to liquidity and revert if it overflows or underflows + /// @param x The liquidity before change + /// @param y The delta by which liquidity should be changed + /// @return z The liquidity delta + function addDelta(uint128 x, int128 y) internal pure returns (uint128 z) { + if (y < 0) { + require((z = x - uint128(-y)) < x, 'LS'); + } else { + require((z = x + uint128(y)) >= x, 'LA'); + } + } +} diff --git a/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/LowGasSafeMath.sol b/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/LowGasSafeMath.sol new file mode 100644 index 000000000..dbc817c2e --- /dev/null +++ b/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/LowGasSafeMath.sol @@ -0,0 +1,46 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +pragma solidity >=0.7.0; + +/// @title Optimized overflow and underflow safe math operations +/// @notice Contains methods for doing math operations that revert on overflow or underflow for minimal gas cost +library LowGasSafeMath { + /// @notice Returns x + y, reverts if sum overflows uint256 + /// @param x The augend + /// @param y The addend + /// @return z The sum of x and y + function add(uint256 x, uint256 y) internal pure returns (uint256 z) { + require((z = x + y) >= x); + } + + /// @notice Returns x - y, reverts if underflows + /// @param x The minuend + /// @param y The subtrahend + /// @return z The difference of x and y + function sub(uint256 x, uint256 y) internal pure returns (uint256 z) { + require((z = x - y) <= x); + } + + /// @notice Returns x * y, reverts if overflows + /// @param x The multiplicand + /// @param y The multiplier + /// @return z The product of x and y + function mul(uint256 x, uint256 y) internal pure returns (uint256 z) { + require(x == 0 || (z = x * y) / x == y); + } + + /// @notice Returns x + y, reverts if overflows or underflows + /// @param x The augend + /// @param y The addend + /// @return z The sum of x and y + function add(int256 x, int256 y) internal pure returns (int256 z) { + require((z = x + y) >= x == (y >= 0)); + } + + /// @notice Returns x - y, reverts if overflows or underflows + /// @param x The minuend + /// @param y The subtrahend + /// @return z The difference of x and y + function sub(int256 x, int256 y) internal pure returns (int256 z) { + require((z = x - y) <= x == (y >= 0)); + } +} diff --git a/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/Oracle.sol b/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/Oracle.sol new file mode 100644 index 000000000..3f6b3f32c --- /dev/null +++ b/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/Oracle.sol @@ -0,0 +1,325 @@ +// SPDX-License-Identifier: BUSL-1.1 +pragma solidity >=0.5.0; + +/// @title Oracle +/// @notice Provides price and liquidity data useful for a wide variety of system designs +/// @dev Instances of stored oracle data, "observations", are collected in the oracle array +/// Every pool is initialized with an oracle array length of 1. Anyone can pay the SSTOREs to increase the +/// maximum length of the oracle array. New slots will be added when the array is fully populated. +/// Observations are overwritten when the full length of the oracle array is populated. +/// The most recent observation is available, independent of the length of the oracle array, by passing 0 to observe() +library Oracle { + struct Observation { + // the block timestamp of the observation + uint32 blockTimestamp; + // the tick accumulator, i.e. tick * time elapsed since the pool was first initialized + int56 tickCumulative; + // the seconds per liquidity, i.e. seconds elapsed / max(1, liquidity) since the pool was first initialized + uint160 secondsPerLiquidityCumulativeX128; + // whether or not the observation is initialized + bool initialized; + } + + /// @notice Transforms a previous observation into a new observation, given the passage of time and the current tick and liquidity values + /// @dev blockTimestamp _must_ be chronologically equal to or greater than last.blockTimestamp, safe for 0 or 1 overflows + /// @param last The specified observation to be transformed + /// @param blockTimestamp The timestamp of the new observation + /// @param tick The active tick at the time of the new observation + /// @param liquidity The total in-range liquidity at the time of the new observation + /// @return Observation The newly populated observation + function transform( + Observation memory last, + uint32 blockTimestamp, + int24 tick, + uint128 liquidity + ) private pure returns (Observation memory) { + uint32 delta = blockTimestamp - last.blockTimestamp; + return + Observation({ + blockTimestamp: blockTimestamp, + tickCumulative: last.tickCumulative + int56(tick) * delta, + secondsPerLiquidityCumulativeX128: last.secondsPerLiquidityCumulativeX128 + + ((uint160(delta) << 128) / (liquidity > 0 ? liquidity : 1)), + initialized: true + }); + } + + /// @notice Initialize the oracle array by writing the first slot. Called once for the lifecycle of the observations array + /// @param self The stored oracle array + /// @param time The time of the oracle initialization, via block.timestamp truncated to uint32 + /// @return cardinality The number of populated elements in the oracle array + /// @return cardinalityNext The new length of the oracle array, independent of population + function initialize(Observation[65535] storage self, uint32 time) + internal + returns (uint16 cardinality, uint16 cardinalityNext) + { + self[0] = Observation({ + blockTimestamp: time, + tickCumulative: 0, + secondsPerLiquidityCumulativeX128: 0, + initialized: true + }); + return (1, 1); + } + + /// @notice Writes an oracle observation to the array + /// @dev Writable at most once per block. Index represents the most recently written element. cardinality and index must be tracked externally. + /// If the index is at the end of the allowable array length (according to cardinality), and the next cardinality + /// is greater than the current one, cardinality may be increased. This restriction is created to preserve ordering. + /// @param self The stored oracle array + /// @param index The index of the observation that was most recently written to the observations array + /// @param blockTimestamp The timestamp of the new observation + /// @param tick The active tick at the time of the new observation + /// @param liquidity The total in-range liquidity at the time of the new observation + /// @param cardinality The number of populated elements in the oracle array + /// @param cardinalityNext The new length of the oracle array, independent of population + /// @return indexUpdated The new index of the most recently written element in the oracle array + /// @return cardinalityUpdated The new cardinality of the oracle array + function write( + Observation[65535] storage self, + uint16 index, + uint32 blockTimestamp, + int24 tick, + uint128 liquidity, + uint16 cardinality, + uint16 cardinalityNext + ) internal returns (uint16 indexUpdated, uint16 cardinalityUpdated) { + Observation memory last = self[index]; + + // early return if we've already written an observation this block + if (last.blockTimestamp == blockTimestamp) return (index, cardinality); + + // if the conditions are right, we can bump the cardinality + if (cardinalityNext > cardinality && index == (cardinality - 1)) { + cardinalityUpdated = cardinalityNext; + } else { + cardinalityUpdated = cardinality; + } + + indexUpdated = (index + 1) % cardinalityUpdated; + self[indexUpdated] = transform(last, blockTimestamp, tick, liquidity); + } + + /// @notice Prepares the oracle array to store up to `next` observations + /// @param self The stored oracle array + /// @param current The current next cardinality of the oracle array + /// @param next The proposed next cardinality which will be populated in the oracle array + /// @return next The next cardinality which will be populated in the oracle array + function grow( + Observation[65535] storage self, + uint16 current, + uint16 next + ) internal returns (uint16) { + require(current > 0, 'I'); + // no-op if the passed next value isn't greater than the current next value + if (next <= current) return current; + // store in each slot to prevent fresh SSTOREs in swaps + // this data will not be used because the initialized boolean is still false + for (uint16 i = current; i < next; i++) self[i].blockTimestamp = 1; + return next; + } + + /// @notice comparator for 32-bit timestamps + /// @dev safe for 0 or 1 overflows, a and b _must_ be chronologically before or equal to time + /// @param time A timestamp truncated to 32 bits + /// @param a A comparison timestamp from which to determine the relative position of `time` + /// @param b From which to determine the relative position of `time` + /// @return bool Whether `a` is chronologically <= `b` + function lte( + uint32 time, + uint32 a, + uint32 b + ) private pure returns (bool) { + // if there hasn't been overflow, no need to adjust + if (a <= time && b <= time) return a <= b; + + uint256 aAdjusted = a > time ? a : a + 2**32; + uint256 bAdjusted = b > time ? b : b + 2**32; + + return aAdjusted <= bAdjusted; + } + + /// @notice Fetches the observations beforeOrAt and atOrAfter a target, i.e. where [beforeOrAt, atOrAfter] is satisfied. + /// The result may be the same observation, or adjacent observations. + /// @dev The answer must be contained in the array, used when the target is located within the stored observation + /// boundaries: older than the most recent observation and younger, or the same age as, the oldest observation + /// @param self The stored oracle array + /// @param time The current block.timestamp + /// @param target The timestamp at which the reserved observation should be for + /// @param index The index of the observation that was most recently written to the observations array + /// @param cardinality The number of populated elements in the oracle array + /// @return beforeOrAt The observation recorded before, or at, the target + /// @return atOrAfter The observation recorded at, or after, the target + function binarySearch( + Observation[65535] storage self, + uint32 time, + uint32 target, + uint16 index, + uint16 cardinality + ) private view returns (Observation memory beforeOrAt, Observation memory atOrAfter) { + uint256 l = (index + 1) % cardinality; // oldest observation + uint256 r = l + cardinality - 1; // newest observation + uint256 i; + while (true) { + i = (l + r) / 2; + + beforeOrAt = self[i % cardinality]; + + // we've landed on an uninitialized tick, keep searching higher (more recently) + if (!beforeOrAt.initialized) { + l = i + 1; + continue; + } + + atOrAfter = self[(i + 1) % cardinality]; + + bool targetAtOrAfter = lte(time, beforeOrAt.blockTimestamp, target); + + // check if we've found the answer! + if (targetAtOrAfter && lte(time, target, atOrAfter.blockTimestamp)) break; + + if (!targetAtOrAfter) r = i - 1; + else l = i + 1; + } + } + + /// @notice Fetches the observations beforeOrAt and atOrAfter a given target, i.e. where [beforeOrAt, atOrAfter] is satisfied + /// @dev Assumes there is at least 1 initialized observation. + /// Used by observeSingle() to compute the counterfactual accumulator values as of a given block timestamp. + /// @param self The stored oracle array + /// @param time The current block.timestamp + /// @param target The timestamp at which the reserved observation should be for + /// @param tick The active tick at the time of the returned or simulated observation + /// @param index The index of the observation that was most recently written to the observations array + /// @param liquidity The total pool liquidity at the time of the call + /// @param cardinality The number of populated elements in the oracle array + /// @return beforeOrAt The observation which occurred at, or before, the given timestamp + /// @return atOrAfter The observation which occurred at, or after, the given timestamp + function getSurroundingObservations( + Observation[65535] storage self, + uint32 time, + uint32 target, + int24 tick, + uint16 index, + uint128 liquidity, + uint16 cardinality + ) private view returns (Observation memory beforeOrAt, Observation memory atOrAfter) { + // optimistically set before to the newest observation + beforeOrAt = self[index]; + + // if the target is chronologically at or after the newest observation, we can early return + if (lte(time, beforeOrAt.blockTimestamp, target)) { + if (beforeOrAt.blockTimestamp == target) { + // if newest observation equals target, we're in the same block, so we can ignore atOrAfter + return (beforeOrAt, atOrAfter); + } else { + // otherwise, we need to transform + return (beforeOrAt, transform(beforeOrAt, target, tick, liquidity)); + } + } + + // now, set before to the oldest observation + beforeOrAt = self[(index + 1) % cardinality]; + if (!beforeOrAt.initialized) beforeOrAt = self[0]; + + // ensure that the target is chronologically at or after the oldest observation + require(lte(time, beforeOrAt.blockTimestamp, target), 'OLD'); + + // if we've reached this point, we have to binary search + return binarySearch(self, time, target, index, cardinality); + } + + /// @dev Reverts if an observation at or before the desired observation timestamp does not exist. + /// 0 may be passed as `secondsAgo' to return the current cumulative values. + /// If called with a timestamp falling between two observations, returns the counterfactual accumulator values + /// at exactly the timestamp between the two observations. + /// @param self The stored oracle array + /// @param time The current block timestamp + /// @param secondsAgo The amount of time to look back, in seconds, at which point to return an observation + /// @param tick The current tick + /// @param index The index of the observation that was most recently written to the observations array + /// @param liquidity The current in-range pool liquidity + /// @param cardinality The number of populated elements in the oracle array + /// @return tickCumulative The tick * time elapsed since the pool was first initialized, as of `secondsAgo` + /// @return secondsPerLiquidityCumulativeX128 The time elapsed / max(1, liquidity) since the pool was first initialized, as of `secondsAgo` + function observeSingle( + Observation[65535] storage self, + uint32 time, + uint32 secondsAgo, + int24 tick, + uint16 index, + uint128 liquidity, + uint16 cardinality + ) internal view returns (int56 tickCumulative, uint160 secondsPerLiquidityCumulativeX128) { + if (secondsAgo == 0) { + Observation memory last = self[index]; + if (last.blockTimestamp != time) last = transform(last, time, tick, liquidity); + return (last.tickCumulative, last.secondsPerLiquidityCumulativeX128); + } + + uint32 target = time - secondsAgo; + + (Observation memory beforeOrAt, Observation memory atOrAfter) = + getSurroundingObservations(self, time, target, tick, index, liquidity, cardinality); + + if (target == beforeOrAt.blockTimestamp) { + // we're at the left boundary + return (beforeOrAt.tickCumulative, beforeOrAt.secondsPerLiquidityCumulativeX128); + } else if (target == atOrAfter.blockTimestamp) { + // we're at the right boundary + return (atOrAfter.tickCumulative, atOrAfter.secondsPerLiquidityCumulativeX128); + } else { + // we're in the middle + uint32 observationTimeDelta = atOrAfter.blockTimestamp - beforeOrAt.blockTimestamp; + uint32 targetDelta = target - beforeOrAt.blockTimestamp; + return ( + beforeOrAt.tickCumulative + + ((atOrAfter.tickCumulative - beforeOrAt.tickCumulative) / observationTimeDelta) * + targetDelta, + beforeOrAt.secondsPerLiquidityCumulativeX128 + + uint160( + (uint256( + atOrAfter.secondsPerLiquidityCumulativeX128 - beforeOrAt.secondsPerLiquidityCumulativeX128 + ) * targetDelta) / observationTimeDelta + ) + ); + } + } + + /// @notice Returns the accumulator values as of each time seconds ago from the given time in the array of `secondsAgos` + /// @dev Reverts if `secondsAgos` > oldest observation + /// @param self The stored oracle array + /// @param time The current block.timestamp + /// @param secondsAgos Each amount of time to look back, in seconds, at which point to return an observation + /// @param tick The current tick + /// @param index The index of the observation that was most recently written to the observations array + /// @param liquidity The current in-range pool liquidity + /// @param cardinality The number of populated elements in the oracle array + /// @return tickCumulatives The tick * time elapsed since the pool was first initialized, as of each `secondsAgo` + /// @return secondsPerLiquidityCumulativeX128s The cumulative seconds / max(1, liquidity) since the pool was first initialized, as of each `secondsAgo` + function observe( + Observation[65535] storage self, + uint32 time, + uint32[] memory secondsAgos, + int24 tick, + uint16 index, + uint128 liquidity, + uint16 cardinality + ) internal view returns (int56[] memory tickCumulatives, uint160[] memory secondsPerLiquidityCumulativeX128s) { + require(cardinality > 0, 'I'); + + tickCumulatives = new int56[](secondsAgos.length); + secondsPerLiquidityCumulativeX128s = new uint160[](secondsAgos.length); + for (uint256 i = 0; i < secondsAgos.length; i++) { + (tickCumulatives[i], secondsPerLiquidityCumulativeX128s[i]) = observeSingle( + self, + time, + secondsAgos[i], + tick, + index, + liquidity, + cardinality + ); + } + } +} diff --git a/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/Position.sol b/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/Position.sol new file mode 100644 index 000000000..1c67c7f27 --- /dev/null +++ b/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/Position.sol @@ -0,0 +1,88 @@ +// SPDX-License-Identifier: BUSL-1.1 +pragma solidity >=0.5.0; + +import './FullMath.sol'; +import './FixedPoint128.sol'; +import './LiquidityMath.sol'; + +/// @title Position +/// @notice Positions represent an owner address' liquidity between a lower and upper tick boundary +/// @dev Positions store additional state for tracking fees owed to the position +library Position { + // info stored for each user's position + struct Info { + // the amount of liquidity owned by this position + uint128 liquidity; + // fee growth per unit of liquidity as of the last update to liquidity or fees owed + uint256 feeGrowthInside0LastX128; + uint256 feeGrowthInside1LastX128; + // the fees owed to the position owner in token0/token1 + uint128 tokensOwed0; + uint128 tokensOwed1; + } + + /// @notice Returns the Info struct of a position, given an owner and position boundaries + /// @param self The mapping containing all user positions + /// @param owner The address of the position owner + /// @param tickLower The lower tick boundary of the position + /// @param tickUpper The upper tick boundary of the position + /// @return position The position info struct of the given owners' position + function get( + mapping(bytes32 => Info) storage self, + address owner, + int24 tickLower, + int24 tickUpper + ) internal view returns (Position.Info storage position) { + position = self[keccak256(abi.encodePacked(owner, tickLower, tickUpper))]; + } + + /// @notice Credits accumulated fees to a user's position + /// @param self The individual position to update + /// @param liquidityDelta The change in pool liquidity as a result of the position update + /// @param feeGrowthInside0X128 The all-time fee growth in token0, per unit of liquidity, inside the position's tick boundaries + /// @param feeGrowthInside1X128 The all-time fee growth in token1, per unit of liquidity, inside the position's tick boundaries + function update( + Info storage self, + int128 liquidityDelta, + uint256 feeGrowthInside0X128, + uint256 feeGrowthInside1X128 + ) internal { + Info memory _self = self; + + uint128 liquidityNext; + if (liquidityDelta == 0) { + require(_self.liquidity > 0, 'NP'); // disallow pokes for 0 liquidity positions + liquidityNext = _self.liquidity; + } else { + liquidityNext = LiquidityMath.addDelta(_self.liquidity, liquidityDelta); + } + + // calculate accumulated fees + uint128 tokensOwed0 = + uint128( + FullMath.mulDiv( + feeGrowthInside0X128 - _self.feeGrowthInside0LastX128, + _self.liquidity, + FixedPoint128.Q128 + ) + ); + uint128 tokensOwed1 = + uint128( + FullMath.mulDiv( + feeGrowthInside1X128 - _self.feeGrowthInside1LastX128, + _self.liquidity, + FixedPoint128.Q128 + ) + ); + + // update the position + if (liquidityDelta != 0) self.liquidity = liquidityNext; + self.feeGrowthInside0LastX128 = feeGrowthInside0X128; + self.feeGrowthInside1LastX128 = feeGrowthInside1X128; + if (tokensOwed0 > 0 || tokensOwed1 > 0) { + // overflow is acceptable, have to withdraw before you hit type(uint128).max fees + self.tokensOwed0 += tokensOwed0; + self.tokensOwed1 += tokensOwed1; + } + } +} diff --git a/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/SafeCast.sol b/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/SafeCast.sol new file mode 100644 index 000000000..a8ea22987 --- /dev/null +++ b/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/SafeCast.sol @@ -0,0 +1,28 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +pragma solidity >=0.5.0; + +/// @title Safe casting methods +/// @notice Contains methods for safely casting between types +library SafeCast { + /// @notice Cast a uint256 to a uint160, revert on overflow + /// @param y The uint256 to be downcasted + /// @return z The downcasted integer, now type uint160 + function toUint160(uint256 y) internal pure returns (uint160 z) { + require((z = uint160(y)) == y); + } + + /// @notice Cast a int256 to a int128, revert on overflow or underflow + /// @param y The int256 to be downcasted + /// @return z The downcasted integer, now type int128 + function toInt128(int256 y) internal pure returns (int128 z) { + require((z = int128(y)) == y); + } + + /// @notice Cast a uint256 to a int256, revert on overflow + /// @param y The uint256 to be casted + /// @return z The casted integer, now type int256 + function toInt256(uint256 y) internal pure returns (int256 z) { + require(y < 2**255); + z = int256(y); + } +} diff --git a/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/SqrtPriceMath.sol b/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/SqrtPriceMath.sol new file mode 100644 index 000000000..685f485da --- /dev/null +++ b/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/SqrtPriceMath.sol @@ -0,0 +1,227 @@ +// SPDX-License-Identifier: BUSL-1.1 +pragma solidity >=0.5.0; + +import './LowGasSafeMath.sol'; +import './SafeCast.sol'; + +import './FullMath.sol'; +import './UnsafeMath.sol'; +import './FixedPoint96.sol'; + +/// @title Functions based on Q64.96 sqrt price and liquidity +/// @notice Contains the math that uses square root of price as a Q64.96 and liquidity to compute deltas +library SqrtPriceMath { + using LowGasSafeMath for uint256; + using SafeCast for uint256; + + /// @notice Gets the next sqrt price given a delta of token0 + /// @dev Always rounds up, because in the exact output case (increasing price) we need to move the price at least + /// far enough to get the desired output amount, and in the exact input case (decreasing price) we need to move the + /// price less in order to not send too much output. + /// The most precise formula for this is liquidity * sqrtPX96 / (liquidity +- amount * sqrtPX96), + /// if this is impossible because of overflow, we calculate liquidity / (liquidity / sqrtPX96 +- amount). + /// @param sqrtPX96 The starting price, i.e. before accounting for the token0 delta + /// @param liquidity The amount of usable liquidity + /// @param amount How much of token0 to add or remove from virtual reserves + /// @param add Whether to add or remove the amount of token0 + /// @return The price after adding or removing amount, depending on add + function getNextSqrtPriceFromAmount0RoundingUp( + uint160 sqrtPX96, + uint128 liquidity, + uint256 amount, + bool add + ) internal pure returns (uint160) { + // we short circuit amount == 0 because the result is otherwise not guaranteed to equal the input price + if (amount == 0) return sqrtPX96; + uint256 numerator1 = uint256(liquidity) << FixedPoint96.RESOLUTION; + + if (add) { + uint256 product; + if ((product = amount * sqrtPX96) / amount == sqrtPX96) { + uint256 denominator = numerator1 + product; + if (denominator >= numerator1) + // always fits in 160 bits + return uint160(FullMath.mulDivRoundingUp(numerator1, sqrtPX96, denominator)); + } + + return uint160(UnsafeMath.divRoundingUp(numerator1, (numerator1 / sqrtPX96).add(amount))); + } else { + uint256 product; + // if the product overflows, we know the denominator underflows + // in addition, we must check that the denominator does not underflow + require((product = amount * sqrtPX96) / amount == sqrtPX96 && numerator1 > product); + uint256 denominator = numerator1 - product; + return FullMath.mulDivRoundingUp(numerator1, sqrtPX96, denominator).toUint160(); + } + } + + /// @notice Gets the next sqrt price given a delta of token1 + /// @dev Always rounds down, because in the exact output case (decreasing price) we need to move the price at least + /// far enough to get the desired output amount, and in the exact input case (increasing price) we need to move the + /// price less in order to not send too much output. + /// The formula we compute is within <1 wei of the lossless version: sqrtPX96 +- amount / liquidity + /// @param sqrtPX96 The starting price, i.e., before accounting for the token1 delta + /// @param liquidity The amount of usable liquidity + /// @param amount How much of token1 to add, or remove, from virtual reserves + /// @param add Whether to add, or remove, the amount of token1 + /// @return The price after adding or removing `amount` + function getNextSqrtPriceFromAmount1RoundingDown( + uint160 sqrtPX96, + uint128 liquidity, + uint256 amount, + bool add + ) internal pure returns (uint160) { + // if we're adding (subtracting), rounding down requires rounding the quotient down (up) + // in both cases, avoid a mulDiv for most inputs + if (add) { + uint256 quotient = + ( + amount <= type(uint160).max + ? (amount << FixedPoint96.RESOLUTION) / liquidity + : FullMath.mulDiv(amount, FixedPoint96.Q96, liquidity) + ); + + return uint256(sqrtPX96).add(quotient).toUint160(); + } else { + uint256 quotient = + ( + amount <= type(uint160).max + ? UnsafeMath.divRoundingUp(amount << FixedPoint96.RESOLUTION, liquidity) + : FullMath.mulDivRoundingUp(amount, FixedPoint96.Q96, liquidity) + ); + + require(sqrtPX96 > quotient); + // always fits 160 bits + return uint160(sqrtPX96 - quotient); + } + } + + /// @notice Gets the next sqrt price given an input amount of token0 or token1 + /// @dev Throws if price or liquidity are 0, or if the next price is out of bounds + /// @param sqrtPX96 The starting price, i.e., before accounting for the input amount + /// @param liquidity The amount of usable liquidity + /// @param amountIn How much of token0, or token1, is being swapped in + /// @param zeroForOne Whether the amount in is token0 or token1 + /// @return sqrtQX96 The price after adding the input amount to token0 or token1 + function getNextSqrtPriceFromInput( + uint160 sqrtPX96, + uint128 liquidity, + uint256 amountIn, + bool zeroForOne + ) internal pure returns (uint160 sqrtQX96) { + require(sqrtPX96 > 0); + require(liquidity > 0); + + // round to make sure that we don't pass the target price + return + zeroForOne + ? getNextSqrtPriceFromAmount0RoundingUp(sqrtPX96, liquidity, amountIn, true) + : getNextSqrtPriceFromAmount1RoundingDown(sqrtPX96, liquidity, amountIn, true); + } + + /// @notice Gets the next sqrt price given an output amount of token0 or token1 + /// @dev Throws if price or liquidity are 0 or the next price is out of bounds + /// @param sqrtPX96 The starting price before accounting for the output amount + /// @param liquidity The amount of usable liquidity + /// @param amountOut How much of token0, or token1, is being swapped out + /// @param zeroForOne Whether the amount out is token0 or token1 + /// @return sqrtQX96 The price after removing the output amount of token0 or token1 + function getNextSqrtPriceFromOutput( + uint160 sqrtPX96, + uint128 liquidity, + uint256 amountOut, + bool zeroForOne + ) internal pure returns (uint160 sqrtQX96) { + require(sqrtPX96 > 0); + require(liquidity > 0); + + // round to make sure that we pass the target price + return + zeroForOne + ? getNextSqrtPriceFromAmount1RoundingDown(sqrtPX96, liquidity, amountOut, false) + : getNextSqrtPriceFromAmount0RoundingUp(sqrtPX96, liquidity, amountOut, false); + } + + /// @notice Gets the amount0 delta between two prices + /// @dev Calculates liquidity / sqrt(lower) - liquidity / sqrt(upper), + /// i.e. liquidity * (sqrt(upper) - sqrt(lower)) / (sqrt(upper) * sqrt(lower)) + /// @param sqrtRatioAX96 A sqrt price + /// @param sqrtRatioBX96 Another sqrt price + /// @param liquidity The amount of usable liquidity + /// @param roundUp Whether to round the amount up or down + /// @return amount0 Amount of token0 required to cover a position of size liquidity between the two passed prices + function getAmount0Delta( + uint160 sqrtRatioAX96, + uint160 sqrtRatioBX96, + uint128 liquidity, + bool roundUp + ) internal pure returns (uint256 amount0) { + if (sqrtRatioAX96 > sqrtRatioBX96) (sqrtRatioAX96, sqrtRatioBX96) = (sqrtRatioBX96, sqrtRatioAX96); + + uint256 numerator1 = uint256(liquidity) << FixedPoint96.RESOLUTION; + uint256 numerator2 = sqrtRatioBX96 - sqrtRatioAX96; + + require(sqrtRatioAX96 > 0); + + return + roundUp + ? UnsafeMath.divRoundingUp( + FullMath.mulDivRoundingUp(numerator1, numerator2, sqrtRatioBX96), + sqrtRatioAX96 + ) + : FullMath.mulDiv(numerator1, numerator2, sqrtRatioBX96) / sqrtRatioAX96; + } + + /// @notice Gets the amount1 delta between two prices + /// @dev Calculates liquidity * (sqrt(upper) - sqrt(lower)) + /// @param sqrtRatioAX96 A sqrt price + /// @param sqrtRatioBX96 Another sqrt price + /// @param liquidity The amount of usable liquidity + /// @param roundUp Whether to round the amount up, or down + /// @return amount1 Amount of token1 required to cover a position of size liquidity between the two passed prices + function getAmount1Delta( + uint160 sqrtRatioAX96, + uint160 sqrtRatioBX96, + uint128 liquidity, + bool roundUp + ) internal pure returns (uint256 amount1) { + if (sqrtRatioAX96 > sqrtRatioBX96) (sqrtRatioAX96, sqrtRatioBX96) = (sqrtRatioBX96, sqrtRatioAX96); + + return + roundUp + ? FullMath.mulDivRoundingUp(liquidity, sqrtRatioBX96 - sqrtRatioAX96, FixedPoint96.Q96) + : FullMath.mulDiv(liquidity, sqrtRatioBX96 - sqrtRatioAX96, FixedPoint96.Q96); + } + + /// @notice Helper that gets signed token0 delta + /// @param sqrtRatioAX96 A sqrt price + /// @param sqrtRatioBX96 Another sqrt price + /// @param liquidity The change in liquidity for which to compute the amount0 delta + /// @return amount0 Amount of token0 corresponding to the passed liquidityDelta between the two prices + function getAmount0Delta( + uint160 sqrtRatioAX96, + uint160 sqrtRatioBX96, + int128 liquidity + ) internal pure returns (int256 amount0) { + return + liquidity < 0 + ? -getAmount0Delta(sqrtRatioAX96, sqrtRatioBX96, uint128(-liquidity), false).toInt256() + : getAmount0Delta(sqrtRatioAX96, sqrtRatioBX96, uint128(liquidity), true).toInt256(); + } + + /// @notice Helper that gets signed token1 delta + /// @param sqrtRatioAX96 A sqrt price + /// @param sqrtRatioBX96 Another sqrt price + /// @param liquidity The change in liquidity for which to compute the amount1 delta + /// @return amount1 Amount of token1 corresponding to the passed liquidityDelta between the two prices + function getAmount1Delta( + uint160 sqrtRatioAX96, + uint160 sqrtRatioBX96, + int128 liquidity + ) internal pure returns (int256 amount1) { + return + liquidity < 0 + ? -getAmount1Delta(sqrtRatioAX96, sqrtRatioBX96, uint128(-liquidity), false).toInt256() + : getAmount1Delta(sqrtRatioAX96, sqrtRatioBX96, uint128(liquidity), true).toInt256(); + } +} diff --git a/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/SwapMath.sol b/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/SwapMath.sol new file mode 100644 index 000000000..ee176fbee --- /dev/null +++ b/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/SwapMath.sol @@ -0,0 +1,98 @@ +// SPDX-License-Identifier: BUSL-1.1 +pragma solidity >=0.5.0; + +import './FullMath.sol'; +import './SqrtPriceMath.sol'; + +/// @title Computes the result of a swap within ticks +/// @notice Contains methods for computing the result of a swap within a single tick price range, i.e., a single tick. +library SwapMath { + /// @notice Computes the result of swapping some amount in, or amount out, given the parameters of the swap + /// @dev The fee, plus the amount in, will never exceed the amount remaining if the swap's `amountSpecified` is positive + /// @param sqrtRatioCurrentX96 The current sqrt price of the pool + /// @param sqrtRatioTargetX96 The price that cannot be exceeded, from which the direction of the swap is inferred + /// @param liquidity The usable liquidity + /// @param amountRemaining How much input or output amount is remaining to be swapped in/out + /// @param feePips The fee taken from the input amount, expressed in hundredths of a bip + /// @return sqrtRatioNextX96 The price after swapping the amount in/out, not to exceed the price target + /// @return amountIn The amount to be swapped in, of either token0 or token1, based on the direction of the swap + /// @return amountOut The amount to be received, of either token0 or token1, based on the direction of the swap + /// @return feeAmount The amount of input that will be taken as a fee + function computeSwapStep( + uint160 sqrtRatioCurrentX96, + uint160 sqrtRatioTargetX96, + uint128 liquidity, + int256 amountRemaining, + uint24 feePips + ) + internal + pure + returns ( + uint160 sqrtRatioNextX96, + uint256 amountIn, + uint256 amountOut, + uint256 feeAmount + ) + { + bool zeroForOne = sqrtRatioCurrentX96 >= sqrtRatioTargetX96; + bool exactIn = amountRemaining >= 0; + + if (exactIn) { + uint256 amountRemainingLessFee = FullMath.mulDiv(uint256(amountRemaining), 1e6 - feePips, 1e6); + amountIn = zeroForOne + ? SqrtPriceMath.getAmount0Delta(sqrtRatioTargetX96, sqrtRatioCurrentX96, liquidity, true) + : SqrtPriceMath.getAmount1Delta(sqrtRatioCurrentX96, sqrtRatioTargetX96, liquidity, true); + if (amountRemainingLessFee >= amountIn) sqrtRatioNextX96 = sqrtRatioTargetX96; + else + sqrtRatioNextX96 = SqrtPriceMath.getNextSqrtPriceFromInput( + sqrtRatioCurrentX96, + liquidity, + amountRemainingLessFee, + zeroForOne + ); + } else { + amountOut = zeroForOne + ? SqrtPriceMath.getAmount1Delta(sqrtRatioTargetX96, sqrtRatioCurrentX96, liquidity, false) + : SqrtPriceMath.getAmount0Delta(sqrtRatioCurrentX96, sqrtRatioTargetX96, liquidity, false); + if (uint256(-amountRemaining) >= amountOut) sqrtRatioNextX96 = sqrtRatioTargetX96; + else + sqrtRatioNextX96 = SqrtPriceMath.getNextSqrtPriceFromOutput( + sqrtRatioCurrentX96, + liquidity, + uint256(-amountRemaining), + zeroForOne + ); + } + + bool max = sqrtRatioTargetX96 == sqrtRatioNextX96; + + // get the input/output amounts + if (zeroForOne) { + amountIn = max && exactIn + ? amountIn + : SqrtPriceMath.getAmount0Delta(sqrtRatioNextX96, sqrtRatioCurrentX96, liquidity, true); + amountOut = max && !exactIn + ? amountOut + : SqrtPriceMath.getAmount1Delta(sqrtRatioNextX96, sqrtRatioCurrentX96, liquidity, false); + } else { + amountIn = max && exactIn + ? amountIn + : SqrtPriceMath.getAmount1Delta(sqrtRatioCurrentX96, sqrtRatioNextX96, liquidity, true); + amountOut = max && !exactIn + ? amountOut + : SqrtPriceMath.getAmount0Delta(sqrtRatioCurrentX96, sqrtRatioNextX96, liquidity, false); + } + + // cap the output amount to not exceed the remaining output amount + if (!exactIn && amountOut > uint256(-amountRemaining)) { + amountOut = uint256(-amountRemaining); + } + + if (exactIn && sqrtRatioNextX96 != sqrtRatioTargetX96) { + // we didn't reach the target, so take the remainder of the maximum input as fee + feeAmount = uint256(amountRemaining) - amountIn; + } else { + feeAmount = FullMath.mulDivRoundingUp(amountIn, feePips, 1e6 - feePips); + } + } +} diff --git a/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/Tick.sol b/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/Tick.sol new file mode 100644 index 000000000..13d342849 --- /dev/null +++ b/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/Tick.sol @@ -0,0 +1,183 @@ +// SPDX-License-Identifier: BUSL-1.1 +pragma solidity >=0.5.0; + +import './LowGasSafeMath.sol'; +import './SafeCast.sol'; + +import './TickMath.sol'; +import './LiquidityMath.sol'; + +/// @title Tick +/// @notice Contains functions for managing tick processes and relevant calculations +library Tick { + using LowGasSafeMath for int256; + using SafeCast for int256; + + // info stored for each initialized individual tick + struct Info { + // the total position liquidity that references this tick + uint128 liquidityGross; + // amount of net liquidity added (subtracted) when tick is crossed from left to right (right to left), + int128 liquidityNet; + // fee growth per unit of liquidity on the _other_ side of this tick (relative to the current tick) + // only has relative meaning, not absolute — the value depends on when the tick is initialized + uint256 feeGrowthOutside0X128; + uint256 feeGrowthOutside1X128; + // the cumulative tick value on the other side of the tick + int56 tickCumulativeOutside; + // the seconds per unit of liquidity on the _other_ side of this tick (relative to the current tick) + // only has relative meaning, not absolute — the value depends on when the tick is initialized + uint160 secondsPerLiquidityOutsideX128; + // the seconds spent on the other side of the tick (relative to the current tick) + // only has relative meaning, not absolute — the value depends on when the tick is initialized + uint32 secondsOutside; + // true iff the tick is initialized, i.e. the value is exactly equivalent to the expression liquidityGross != 0 + // these 8 bits are set to prevent fresh sstores when crossing newly initialized ticks + bool initialized; + } + + /// @notice Derives max liquidity per tick from given tick spacing + /// @dev Executed within the pool constructor + /// @param tickSpacing The amount of required tick separation, realized in multiples of `tickSpacing` + /// e.g., a tickSpacing of 3 requires ticks to be initialized every 3rd tick i.e., ..., -6, -3, 0, 3, 6, ... + /// @return The max liquidity per tick + function tickSpacingToMaxLiquidityPerTick(int24 tickSpacing) internal pure returns (uint128) { + int24 minTick = (TickMath.MIN_TICK / tickSpacing) * tickSpacing; + int24 maxTick = (TickMath.MAX_TICK / tickSpacing) * tickSpacing; + uint24 numTicks = uint24((maxTick - minTick) / tickSpacing) + 1; + return type(uint128).max / numTicks; + } + + /// @notice Retrieves fee growth data + /// @param self The mapping containing all tick information for initialized ticks + /// @param tickLower The lower tick boundary of the position + /// @param tickUpper The upper tick boundary of the position + /// @param tickCurrent The current tick + /// @param feeGrowthGlobal0X128 The all-time global fee growth, per unit of liquidity, in token0 + /// @param feeGrowthGlobal1X128 The all-time global fee growth, per unit of liquidity, in token1 + /// @return feeGrowthInside0X128 The all-time fee growth in token0, per unit of liquidity, inside the position's tick boundaries + /// @return feeGrowthInside1X128 The all-time fee growth in token1, per unit of liquidity, inside the position's tick boundaries + function getFeeGrowthInside( + mapping(int24 => Tick.Info) storage self, + int24 tickLower, + int24 tickUpper, + int24 tickCurrent, + uint256 feeGrowthGlobal0X128, + uint256 feeGrowthGlobal1X128 + ) internal view returns (uint256 feeGrowthInside0X128, uint256 feeGrowthInside1X128) { + Info storage lower = self[tickLower]; + Info storage upper = self[tickUpper]; + + // calculate fee growth below + uint256 feeGrowthBelow0X128; + uint256 feeGrowthBelow1X128; + if (tickCurrent >= tickLower) { + feeGrowthBelow0X128 = lower.feeGrowthOutside0X128; + feeGrowthBelow1X128 = lower.feeGrowthOutside1X128; + } else { + feeGrowthBelow0X128 = feeGrowthGlobal0X128 - lower.feeGrowthOutside0X128; + feeGrowthBelow1X128 = feeGrowthGlobal1X128 - lower.feeGrowthOutside1X128; + } + + // calculate fee growth above + uint256 feeGrowthAbove0X128; + uint256 feeGrowthAbove1X128; + if (tickCurrent < tickUpper) { + feeGrowthAbove0X128 = upper.feeGrowthOutside0X128; + feeGrowthAbove1X128 = upper.feeGrowthOutside1X128; + } else { + feeGrowthAbove0X128 = feeGrowthGlobal0X128 - upper.feeGrowthOutside0X128; + feeGrowthAbove1X128 = feeGrowthGlobal1X128 - upper.feeGrowthOutside1X128; + } + + feeGrowthInside0X128 = feeGrowthGlobal0X128 - feeGrowthBelow0X128 - feeGrowthAbove0X128; + feeGrowthInside1X128 = feeGrowthGlobal1X128 - feeGrowthBelow1X128 - feeGrowthAbove1X128; + } + + /// @notice Updates a tick and returns true if the tick was flipped from initialized to uninitialized, or vice versa + /// @param self The mapping containing all tick information for initialized ticks + /// @param tick The tick that will be updated + /// @param tickCurrent The current tick + /// @param liquidityDelta A new amount of liquidity to be added (subtracted) when tick is crossed from left to right (right to left) + /// @param feeGrowthGlobal0X128 The all-time global fee growth, per unit of liquidity, in token0 + /// @param feeGrowthGlobal1X128 The all-time global fee growth, per unit of liquidity, in token1 + /// @param secondsPerLiquidityCumulativeX128 The all-time seconds per max(1, liquidity) of the pool + /// @param time The current block timestamp cast to a uint32 + /// @param upper true for updating a position's upper tick, or false for updating a position's lower tick + /// @param maxLiquidity The maximum liquidity allocation for a single tick + /// @return flipped Whether the tick was flipped from initialized to uninitialized, or vice versa + function update( + mapping(int24 => Tick.Info) storage self, + int24 tick, + int24 tickCurrent, + int128 liquidityDelta, + uint256 feeGrowthGlobal0X128, + uint256 feeGrowthGlobal1X128, + uint160 secondsPerLiquidityCumulativeX128, + int56 tickCumulative, + uint32 time, + bool upper, + uint128 maxLiquidity + ) internal returns (bool flipped) { + Tick.Info storage info = self[tick]; + + uint128 liquidityGrossBefore = info.liquidityGross; + uint128 liquidityGrossAfter = LiquidityMath.addDelta(liquidityGrossBefore, liquidityDelta); + + require(liquidityGrossAfter <= maxLiquidity, 'LO'); + + flipped = (liquidityGrossAfter == 0) != (liquidityGrossBefore == 0); + + if (liquidityGrossBefore == 0) { + // by convention, we assume that all growth before a tick was initialized happened _below_ the tick + if (tick <= tickCurrent) { + info.feeGrowthOutside0X128 = feeGrowthGlobal0X128; + info.feeGrowthOutside1X128 = feeGrowthGlobal1X128; + info.secondsPerLiquidityOutsideX128 = secondsPerLiquidityCumulativeX128; + info.tickCumulativeOutside = tickCumulative; + info.secondsOutside = time; + } + info.initialized = true; + } + + info.liquidityGross = liquidityGrossAfter; + + // when the lower (upper) tick is crossed left to right (right to left), liquidity must be added (removed) + info.liquidityNet = upper + ? int256(info.liquidityNet).sub(liquidityDelta).toInt128() + : int256(info.liquidityNet).add(liquidityDelta).toInt128(); + } + + /// @notice Clears tick data + /// @param self The mapping containing all initialized tick information for initialized ticks + /// @param tick The tick that will be cleared + function clear(mapping(int24 => Tick.Info) storage self, int24 tick) internal { + delete self[tick]; + } + + /// @notice Transitions to next tick as needed by price movement + /// @param self The mapping containing all tick information for initialized ticks + /// @param tick The destination tick of the transition + /// @param feeGrowthGlobal0X128 The all-time global fee growth, per unit of liquidity, in token0 + /// @param feeGrowthGlobal1X128 The all-time global fee growth, per unit of liquidity, in token1 + /// @param secondsPerLiquidityCumulativeX128 The current seconds per liquidity + /// @param time The current block.timestamp + /// @return liquidityNet The amount of liquidity added (subtracted) when tick is crossed from left to right (right to left) + function cross( + mapping(int24 => Tick.Info) storage self, + int24 tick, + uint256 feeGrowthGlobal0X128, + uint256 feeGrowthGlobal1X128, + uint160 secondsPerLiquidityCumulativeX128, + int56 tickCumulative, + uint32 time + ) internal returns (int128 liquidityNet) { + Tick.Info storage info = self[tick]; + info.feeGrowthOutside0X128 = feeGrowthGlobal0X128 - info.feeGrowthOutside0X128; + info.feeGrowthOutside1X128 = feeGrowthGlobal1X128 - info.feeGrowthOutside1X128; + info.secondsPerLiquidityOutsideX128 = secondsPerLiquidityCumulativeX128 - info.secondsPerLiquidityOutsideX128; + info.tickCumulativeOutside = tickCumulative - info.tickCumulativeOutside; + info.secondsOutside = time - info.secondsOutside; + liquidityNet = info.liquidityNet; + } +} diff --git a/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/TickBitmap.sol b/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/TickBitmap.sol new file mode 100644 index 000000000..3c4358577 --- /dev/null +++ b/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/TickBitmap.sol @@ -0,0 +1,78 @@ +// SPDX-License-Identifier: BUSL-1.1 +pragma solidity >=0.5.0; + +import './BitMath.sol'; + +/// @title Packed tick initialized state library +/// @notice Stores a packed mapping of tick index to its initialized state +/// @dev The mapping uses int16 for keys since ticks are represented as int24 and there are 256 (2^8) values per word. +library TickBitmap { + /// @notice Computes the position in the mapping where the initialized bit for a tick lives + /// @param tick The tick for which to compute the position + /// @return wordPos The key in the mapping containing the word in which the bit is stored + /// @return bitPos The bit position in the word where the flag is stored + function position(int24 tick) private pure returns (int16 wordPos, uint8 bitPos) { + wordPos = int16(tick >> 8); + bitPos = uint8(tick % 256); + } + + /// @notice Flips the initialized state for a given tick from false to true, or vice versa + /// @param self The mapping in which to flip the tick + /// @param tick The tick to flip + /// @param tickSpacing The spacing between usable ticks + function flipTick( + mapping(int16 => uint256) storage self, + int24 tick, + int24 tickSpacing + ) internal { + require(tick % tickSpacing == 0); // ensure that the tick is spaced + (int16 wordPos, uint8 bitPos) = position(tick / tickSpacing); + uint256 mask = 1 << bitPos; + self[wordPos] ^= mask; + } + + /// @notice Returns the next initialized tick contained in the same word (or adjacent word) as the tick that is either + /// to the left (less than or equal to) or right (greater than) of the given tick + /// @param self The mapping in which to compute the next initialized tick + /// @param tick The starting tick + /// @param tickSpacing The spacing between usable ticks + /// @param lte Whether to search for the next initialized tick to the left (less than or equal to the starting tick) + /// @return next The next initialized or uninitialized tick up to 256 ticks away from the current tick + /// @return initialized Whether the next tick is initialized, as the function only searches within up to 256 ticks + function nextInitializedTickWithinOneWord( + mapping(int16 => uint256) storage self, + int24 tick, + int24 tickSpacing, + bool lte + ) internal view returns (int24 next, bool initialized) { + int24 compressed = tick / tickSpacing; + if (tick < 0 && tick % tickSpacing != 0) compressed--; // round towards negative infinity + + if (lte) { + (int16 wordPos, uint8 bitPos) = position(compressed); + // all the 1s at or to the right of the current bitPos + uint256 mask = (1 << bitPos) - 1 + (1 << bitPos); + uint256 masked = self[wordPos] & mask; + + // if there are no initialized ticks to the right of or at the current tick, return rightmost in the word + initialized = masked != 0; + // overflow/underflow is possible, but prevented externally by limiting both tickSpacing and tick + next = initialized + ? (compressed - int24(bitPos - BitMath.mostSignificantBit(masked))) * tickSpacing + : (compressed - int24(bitPos)) * tickSpacing; + } else { + // start from the word of the next tick, since the current tick state doesn't matter + (int16 wordPos, uint8 bitPos) = position(compressed + 1); + // all the 1s at or to the left of the bitPos + uint256 mask = ~((1 << bitPos) - 1); + uint256 masked = self[wordPos] & mask; + + // if there are no initialized ticks to the left of the current tick, return leftmost in the word + initialized = masked != 0; + // overflow/underflow is possible, but prevented externally by limiting both tickSpacing and tick + next = initialized + ? (compressed + 1 + int24(BitMath.leastSignificantBit(masked) - bitPos)) * tickSpacing + : (compressed + 1 + int24(type(uint8).max - bitPos)) * tickSpacing; + } + } +} diff --git a/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/TickMath.sol b/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/TickMath.sol new file mode 100644 index 000000000..378e44528 --- /dev/null +++ b/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/TickMath.sol @@ -0,0 +1,205 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +pragma solidity >=0.5.0; + +/// @title Math library for computing sqrt prices from ticks and vice versa +/// @notice Computes sqrt price for ticks of size 1.0001, i.e. sqrt(1.0001^tick) as fixed point Q64.96 numbers. Supports +/// prices between 2**-128 and 2**128 +library TickMath { + /// @dev The minimum tick that may be passed to #getSqrtRatioAtTick computed from log base 1.0001 of 2**-128 + int24 internal constant MIN_TICK = -887272; + /// @dev The maximum tick that may be passed to #getSqrtRatioAtTick computed from log base 1.0001 of 2**128 + int24 internal constant MAX_TICK = -MIN_TICK; + + /// @dev The minimum value that can be returned from #getSqrtRatioAtTick. Equivalent to getSqrtRatioAtTick(MIN_TICK) + uint160 internal constant MIN_SQRT_RATIO = 4295128739; + /// @dev The maximum value that can be returned from #getSqrtRatioAtTick. Equivalent to getSqrtRatioAtTick(MAX_TICK) + uint160 internal constant MAX_SQRT_RATIO = 1461446703485210103287273052203988822378723970342; + + /// @notice Calculates sqrt(1.0001^tick) * 2^96 + /// @dev Throws if |tick| > max tick + /// @param tick The input tick for the above formula + /// @return sqrtPriceX96 A Fixed point Q64.96 number representing the sqrt of the ratio of the two assets (token1/token0) + /// at the given tick + function getSqrtRatioAtTick(int24 tick) internal pure returns (uint160 sqrtPriceX96) { + uint256 absTick = tick < 0 ? uint256(-int256(tick)) : uint256(int256(tick)); + require(absTick <= uint256(MAX_TICK), 'T'); + + uint256 ratio = absTick & 0x1 != 0 ? 0xfffcb933bd6fad37aa2d162d1a594001 : 0x100000000000000000000000000000000; + if (absTick & 0x2 != 0) ratio = (ratio * 0xfff97272373d413259a46990580e213a) >> 128; + if (absTick & 0x4 != 0) ratio = (ratio * 0xfff2e50f5f656932ef12357cf3c7fdcc) >> 128; + if (absTick & 0x8 != 0) ratio = (ratio * 0xffe5caca7e10e4e61c3624eaa0941cd0) >> 128; + if (absTick & 0x10 != 0) ratio = (ratio * 0xffcb9843d60f6159c9db58835c926644) >> 128; + if (absTick & 0x20 != 0) ratio = (ratio * 0xff973b41fa98c081472e6896dfb254c0) >> 128; + if (absTick & 0x40 != 0) ratio = (ratio * 0xff2ea16466c96a3843ec78b326b52861) >> 128; + if (absTick & 0x80 != 0) ratio = (ratio * 0xfe5dee046a99a2a811c461f1969c3053) >> 128; + if (absTick & 0x100 != 0) ratio = (ratio * 0xfcbe86c7900a88aedcffc83b479aa3a4) >> 128; + if (absTick & 0x200 != 0) ratio = (ratio * 0xf987a7253ac413176f2b074cf7815e54) >> 128; + if (absTick & 0x400 != 0) ratio = (ratio * 0xf3392b0822b70005940c7a398e4b70f3) >> 128; + if (absTick & 0x800 != 0) ratio = (ratio * 0xe7159475a2c29b7443b29c7fa6e889d9) >> 128; + if (absTick & 0x1000 != 0) ratio = (ratio * 0xd097f3bdfd2022b8845ad8f792aa5825) >> 128; + if (absTick & 0x2000 != 0) ratio = (ratio * 0xa9f746462d870fdf8a65dc1f90e061e5) >> 128; + if (absTick & 0x4000 != 0) ratio = (ratio * 0x70d869a156d2a1b890bb3df62baf32f7) >> 128; + if (absTick & 0x8000 != 0) ratio = (ratio * 0x31be135f97d08fd981231505542fcfa6) >> 128; + if (absTick & 0x10000 != 0) ratio = (ratio * 0x9aa508b5b7a84e1c677de54f3e99bc9) >> 128; + if (absTick & 0x20000 != 0) ratio = (ratio * 0x5d6af8dedb81196699c329225ee604) >> 128; + if (absTick & 0x40000 != 0) ratio = (ratio * 0x2216e584f5fa1ea926041bedfe98) >> 128; + if (absTick & 0x80000 != 0) ratio = (ratio * 0x48a170391f7dc42444e8fa2) >> 128; + + if (tick > 0) ratio = type(uint256).max / ratio; + + // this divides by 1<<32 rounding up to go from a Q128.128 to a Q128.96. + // we then downcast because we know the result always fits within 160 bits due to our tick input constraint + // we round up in the division so getTickAtSqrtRatio of the output price is always consistent + sqrtPriceX96 = uint160((ratio >> 32) + (ratio % (1 << 32) == 0 ? 0 : 1)); + } + + /// @notice Calculates the greatest tick value such that getRatioAtTick(tick) <= ratio + /// @dev Throws in case sqrtPriceX96 < MIN_SQRT_RATIO, as MIN_SQRT_RATIO is the lowest value getRatioAtTick may + /// ever return. + /// @param sqrtPriceX96 The sqrt ratio for which to compute the tick as a Q64.96 + /// @return tick The greatest tick for which the ratio is less than or equal to the input ratio + function getTickAtSqrtRatio(uint160 sqrtPriceX96) internal pure returns (int24 tick) { + // second inequality must be < because the price can never reach the price at the max tick + require(sqrtPriceX96 >= MIN_SQRT_RATIO && sqrtPriceX96 < MAX_SQRT_RATIO, 'R'); + uint256 ratio = uint256(sqrtPriceX96) << 32; + + uint256 r = ratio; + uint256 msb = 0; + + assembly { + let f := shl(7, gt(r, 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF)) + msb := or(msb, f) + r := shr(f, r) + } + assembly { + let f := shl(6, gt(r, 0xFFFFFFFFFFFFFFFF)) + msb := or(msb, f) + r := shr(f, r) + } + assembly { + let f := shl(5, gt(r, 0xFFFFFFFF)) + msb := or(msb, f) + r := shr(f, r) + } + assembly { + let f := shl(4, gt(r, 0xFFFF)) + msb := or(msb, f) + r := shr(f, r) + } + assembly { + let f := shl(3, gt(r, 0xFF)) + msb := or(msb, f) + r := shr(f, r) + } + assembly { + let f := shl(2, gt(r, 0xF)) + msb := or(msb, f) + r := shr(f, r) + } + assembly { + let f := shl(1, gt(r, 0x3)) + msb := or(msb, f) + r := shr(f, r) + } + assembly { + let f := gt(r, 0x1) + msb := or(msb, f) + } + + if (msb >= 128) r = ratio >> (msb - 127); + else r = ratio << (127 - msb); + + int256 log_2 = (int256(msb) - 128) << 64; + + assembly { + r := shr(127, mul(r, r)) + let f := shr(128, r) + log_2 := or(log_2, shl(63, f)) + r := shr(f, r) + } + assembly { + r := shr(127, mul(r, r)) + let f := shr(128, r) + log_2 := or(log_2, shl(62, f)) + r := shr(f, r) + } + assembly { + r := shr(127, mul(r, r)) + let f := shr(128, r) + log_2 := or(log_2, shl(61, f)) + r := shr(f, r) + } + assembly { + r := shr(127, mul(r, r)) + let f := shr(128, r) + log_2 := or(log_2, shl(60, f)) + r := shr(f, r) + } + assembly { + r := shr(127, mul(r, r)) + let f := shr(128, r) + log_2 := or(log_2, shl(59, f)) + r := shr(f, r) + } + assembly { + r := shr(127, mul(r, r)) + let f := shr(128, r) + log_2 := or(log_2, shl(58, f)) + r := shr(f, r) + } + assembly { + r := shr(127, mul(r, r)) + let f := shr(128, r) + log_2 := or(log_2, shl(57, f)) + r := shr(f, r) + } + assembly { + r := shr(127, mul(r, r)) + let f := shr(128, r) + log_2 := or(log_2, shl(56, f)) + r := shr(f, r) + } + assembly { + r := shr(127, mul(r, r)) + let f := shr(128, r) + log_2 := or(log_2, shl(55, f)) + r := shr(f, r) + } + assembly { + r := shr(127, mul(r, r)) + let f := shr(128, r) + log_2 := or(log_2, shl(54, f)) + r := shr(f, r) + } + assembly { + r := shr(127, mul(r, r)) + let f := shr(128, r) + log_2 := or(log_2, shl(53, f)) + r := shr(f, r) + } + assembly { + r := shr(127, mul(r, r)) + let f := shr(128, r) + log_2 := or(log_2, shl(52, f)) + r := shr(f, r) + } + assembly { + r := shr(127, mul(r, r)) + let f := shr(128, r) + log_2 := or(log_2, shl(51, f)) + r := shr(f, r) + } + assembly { + r := shr(127, mul(r, r)) + let f := shr(128, r) + log_2 := or(log_2, shl(50, f)) + } + + int256 log_sqrt10001 = log_2 * 255738958999603826347141; // 128.128 number + + int24 tickLow = int24((log_sqrt10001 - 3402992956809132418596140100660247210) >> 128); + int24 tickHi = int24((log_sqrt10001 + 291339464771989622907027621153398088495) >> 128); + + tick = tickLow == tickHi ? tickLow : getSqrtRatioAtTick(tickHi) <= sqrtPriceX96 ? tickHi : tickLow; + } +} diff --git a/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/TransferHelper.sol b/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/TransferHelper.sol new file mode 100644 index 000000000..25d630902 --- /dev/null +++ b/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/TransferHelper.sol @@ -0,0 +1,23 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +pragma solidity >=0.6.0; + +import '../interfaces/IERC20Minimal.sol'; + +/// @title TransferHelper +/// @notice Contains helper methods for interacting with ERC20 tokens that do not consistently return true/false +library TransferHelper { + /// @notice Transfers tokens from msg.sender to a recipient + /// @dev Calls transfer on token contract, errors with TF if transfer fails + /// @param token The contract address of the token which will be transferred + /// @param to The recipient of the transfer + /// @param value The value of the transfer + function safeTransfer( + address token, + address to, + uint256 value + ) internal { + (bool success, bytes memory data) = + token.call(abi.encodeWithSelector(IERC20Minimal.transfer.selector, to, value)); + require(success && (data.length == 0 || abi.decode(data, (bool))), 'TF'); + } +} diff --git a/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/UnsafeMath.sol b/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/UnsafeMath.sol new file mode 100644 index 000000000..f62f84676 --- /dev/null +++ b/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/UnsafeMath.sol @@ -0,0 +1,17 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +pragma solidity >=0.5.0; + +/// @title Math functions that do not check inputs or outputs +/// @notice Contains methods that perform common math functions but do not do any overflow or underflow checks +library UnsafeMath { + /// @notice Returns ceil(x / y) + /// @dev division by 0 has unspecified behavior, and must be checked externally + /// @param x The dividend + /// @param y The divisor + /// @return z The quotient, ceil(x / y) + function divRoundingUp(uint256 x, uint256 y) internal pure returns (uint256 z) { + assembly { + z := add(div(x, y), gt(mod(x, y), 0)) + } + } +} diff --git a/slither/tools/read_storage/__main__.py b/slither/tools/read_storage/__main__.py index 6bf5788db..3ec47d176 100644 --- a/slither/tools/read_storage/__main__.py +++ b/slither/tools/read_storage/__main__.py @@ -3,6 +3,7 @@ Tool to read on-chain storage from EVM """ import json import argparse +from os import environ from crytic_compile import cryticparser @@ -84,6 +85,24 @@ def parse_args() -> argparse.Namespace: help="Toggle used to include values in output.", ) + parser.add_argument( + "--table-storage-layout", + action="store_true", + help="Print table view of storage layout", + ) + + parser.add_argument( + "--table-storage-value", + action="store_true", + help="Print table view of storage layout & values", + ) + + parser.add_argument( + "--silent", + action="store_true", + help="Silence log outputs", + ) + parser.add_argument("--max-depth", help="Max depth to search in data structure.", default=20) cryticparser.init(parser) @@ -120,6 +139,25 @@ def main() -> None: srs.rpc = args.rpc_url + if args.silent: + environ["SILENT"] = "1" + + if args.table_storage_layout: + environ["TABLE"] = "1" + srs.get_all_storage_variables() + srs.get_storage_layout() + srs.print_table() + return + + if args.table_storage_value: + assert args.rpc_url + environ["TABLE"] = "1" + environ["TABLE_VALUE"] = "1" + srs.get_all_storage_variables() + srs.get_storage_layout() + srs.print_table() + return + if args.layout: srs.get_all_storage_variables() srs.get_storage_layout() diff --git a/slither/tools/read_storage/read_storage.py b/slither/tools/read_storage/read_storage.py index dbdda7183..9b0fe5a74 100644 --- a/slither/tools/read_storage/read_storage.py +++ b/slither/tools/read_storage/read_storage.py @@ -1,6 +1,7 @@ import sys import logging from math import floor +from os import environ from typing import Callable, Optional, Tuple, Union, List, Dict @@ -31,6 +32,13 @@ except ImportError: print("$ pip3 install web3 --user\n") sys.exit(-1) +try: + from tabulate import tabulate +except ImportError: + print("ERROR: in order to use slither-read-storage --table, you need to install tabulate") + print("$ pip3 install tabulate --user\n") + sys.exit(-1) + from slither.core.solidity_types.type import Type from slither.core.solidity_types import ArrayType from slither.core.declarations import Contract, StructureContract @@ -182,14 +190,24 @@ class SlitherReadStorage: int_slot = int.from_bytes(slot, byteorder="big") self.log += f"\nName: {var_log_name}\nType: {type_to}\nSlot: {int_slot}\n" - logger.info(self.log) + if environ.get("SILENT") is None: + logger.info(self.log) self.log = "" - return { - "type_string": type_to, - "slot": int_slot, - "size": size, - "offset": offset, - } + if environ.get("TABLE") is None: + return { + "type_string": type_to, + "slot": int_slot, + "size": size, + "offset": offset, + } + else: + return { + "type_string": type_to, + "slot": int_slot, + "size": size, + "offset": offset, + "struct_var": struct_var, + } def get_target_variables(self, **kwargs) -> None: """ @@ -241,6 +259,86 @@ class SlitherReadStorage: ) ) + def print_table(self) -> None: + + if environ.get("TABLE_VALUE") is None: + tabulate_headers = ['slot', 'offset', 'size', 'type', 'name'] + else: + tabulate_headers = ['slot', 'offset', 'size', 'type', 'name', 'value'] + print("Processing, grabbing values from rpc endpoint...") + + tabulate_data = [] + + for contract, state_var in self.target_variables: + type_ = state_var.type + + var = state_var.name + info = self.slot_info[var] + + slot = info.get('slot') + offset = info.get('offset') + size = info.get('size') + type_string = info.get('type_string') + struct_var = info.get('struct_var') + + + if environ.get("TABLE_VALUE") is None: + tabulate_data.append([slot, offset, size, type_string, var]) + else: + hex_bytes = get_storage_data(self.web3, self.checksum_address, slot) + value = self.convert_value_to_type( + hex_bytes, size, offset, type_string + ) + tabulate_data.append([slot, offset, size, type_string, var, value]) + + + if is_user_defined_type(type_) and is_struct(type_.type): + tabulate_data.pop() + for item in info["elems"]: + slot = info["elems"][item].get('slot') + offset = info["elems"][item].get('offset') + size = info["elems"][item].get('size') + type_string = info["elems"][item].get('type_string') + struct_var = info["elems"][item].get('struct_var') + + # doesn't handle deep keys currently + var_name_struct_or_array_var = "{} -> {}".format(var, struct_var) + + + if environ.get("TABLE_VALUE") is None: + tabulate_data.append([slot, offset, size, type_string, var_name_struct_or_array_var]) + else: + hex_bytes = get_storage_data(self.web3, self.checksum_address, slot) + value = self.convert_value_to_type( + hex_bytes, size, offset, type_string + ) + tabulate_data.append([slot, offset, size, type_string, var_name_struct_or_array_var, value]) + + if is_array(type_): + tabulate_data.pop() + for item in info["elems"]: + for key in info["elems"][item]: + slot = info["elems"][item][key].get('slot') + offset = info["elems"][item][key].get('offset') + size = info["elems"][item][key].get('size') + type_string = info["elems"][item][key].get('type_string') + struct_var = info["elems"][item][key].get('struct_var') + + # doesn't handle deep keys currently + var_name_struct_or_array_var = "{} -> {}".format(var, struct_var) + + if environ.get("TABLE_VALUE") is None: + tabulate_data.append([slot, offset, size, type_string, var_name_struct_or_array_var]) + else: + hex_bytes = get_storage_data(self.web3, self.checksum_address, slot) + value = self.convert_value_to_type( + hex_bytes, size, offset, type_string + ) + tabulate_data.append([slot, offset, size, type_string, var_name_struct_or_array_var, value]) + + + print(tabulate(tabulate_data, headers=tabulate_headers, tablefmt='grid')) + @staticmethod def _find_struct_var_slot( elems: List[StructureVariable], slot: bytes, struct_var: str @@ -456,9 +554,10 @@ class SlitherReadStorage: size = byte_size * 8 # bits (int_slot, offset) = contract.compilation_unit.storage_layout_of(contract, target_variable) offset *= 8 # bits - logger.info( - f"\nContract '{contract.name}'\n{target_variable.canonical_name} with type {target_variable.type} is located at slot: {int_slot}\n" - ) + if environ.get("SILENT") is None: + logger.info( + f"\nContract '{contract.name}'\n{target_variable.canonical_name} with type {target_variable.type} is located at slot: {int_slot}\n" + ) return int_slot, size, offset, type_to From 2fbc8d2a9a0159b057f2b588712f323c33baf2cf Mon Sep 17 00:00:00 2001 From: noxx Date: Thu, 14 Jul 2022 18:17:25 +0100 Subject: [PATCH 3/9] remove crytic-export --- .../contracts/NoDelegateCall.sol | 27 - .../contracts/UniswapV3Pool.sol | 869 ------------------ .../contracts/interfaces/IERC20Minimal.sol | 52 -- .../interfaces/IUniswapV3Factory.sol | 78 -- .../contracts/interfaces/IUniswapV3Pool.sol | 24 - .../interfaces/IUniswapV3PoolDeployer.sol | 26 - .../callback/IUniswapV3FlashCallback.sol | 18 - .../callback/IUniswapV3MintCallback.sol | 18 - .../callback/IUniswapV3SwapCallback.sol | 21 - .../interfaces/pool/IUniswapV3PoolActions.sol | 103 --- .../pool/IUniswapV3PoolDerivedState.sol | 40 - .../interfaces/pool/IUniswapV3PoolEvents.sol | 121 --- .../pool/IUniswapV3PoolImmutables.sol | 35 - .../pool/IUniswapV3PoolOwnerActions.sol | 23 - .../interfaces/pool/IUniswapV3PoolState.sol | 116 --- .../contracts/libraries/BitMath.sol | 94 -- .../contracts/libraries/FixedPoint128.sol | 8 - .../contracts/libraries/FixedPoint96.sol | 10 - .../contracts/libraries/FullMath.sol | 124 --- .../contracts/libraries/LiquidityMath.sol | 17 - .../contracts/libraries/LowGasSafeMath.sol | 46 - .../contracts/libraries/Oracle.sol | 325 ------- .../contracts/libraries/Position.sol | 88 -- .../contracts/libraries/SafeCast.sol | 28 - .../contracts/libraries/SqrtPriceMath.sol | 227 ----- .../contracts/libraries/SwapMath.sol | 98 -- .../contracts/libraries/Tick.sol | 183 ---- .../contracts/libraries/TickBitmap.sol | 78 -- .../contracts/libraries/TickMath.sol | 205 ----- .../contracts/libraries/TransferHelper.sol | 23 - .../contracts/libraries/UnsafeMath.sol | 17 - 31 files changed, 3142 deletions(-) delete mode 100644 crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/NoDelegateCall.sol delete mode 100644 crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/UniswapV3Pool.sol delete mode 100644 crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/IERC20Minimal.sol delete mode 100644 crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/IUniswapV3Factory.sol delete mode 100644 crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/IUniswapV3Pool.sol delete mode 100644 crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/IUniswapV3PoolDeployer.sol delete mode 100644 crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/callback/IUniswapV3FlashCallback.sol delete mode 100644 crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/callback/IUniswapV3MintCallback.sol delete mode 100644 crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/callback/IUniswapV3SwapCallback.sol delete mode 100644 crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/pool/IUniswapV3PoolActions.sol delete mode 100644 crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/pool/IUniswapV3PoolDerivedState.sol delete mode 100644 crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/pool/IUniswapV3PoolEvents.sol delete mode 100644 crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/pool/IUniswapV3PoolImmutables.sol delete mode 100644 crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/pool/IUniswapV3PoolOwnerActions.sol delete mode 100644 crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/pool/IUniswapV3PoolState.sol delete mode 100644 crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/BitMath.sol delete mode 100644 crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/FixedPoint128.sol delete mode 100644 crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/FixedPoint96.sol delete mode 100644 crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/FullMath.sol delete mode 100644 crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/LiquidityMath.sol delete mode 100644 crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/LowGasSafeMath.sol delete mode 100644 crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/Oracle.sol delete mode 100644 crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/Position.sol delete mode 100644 crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/SafeCast.sol delete mode 100644 crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/SqrtPriceMath.sol delete mode 100644 crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/SwapMath.sol delete mode 100644 crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/Tick.sol delete mode 100644 crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/TickBitmap.sol delete mode 100644 crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/TickMath.sol delete mode 100644 crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/TransferHelper.sol delete mode 100644 crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/UnsafeMath.sol diff --git a/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/NoDelegateCall.sol b/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/NoDelegateCall.sol deleted file mode 100644 index 5411979dc..000000000 --- a/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/NoDelegateCall.sol +++ /dev/null @@ -1,27 +0,0 @@ -// SPDX-License-Identifier: BUSL-1.1 -pragma solidity =0.7.6; - -/// @title Prevents delegatecall to a contract -/// @notice Base contract that provides a modifier for preventing delegatecall to methods in a child contract -abstract contract NoDelegateCall { - /// @dev The original address of this contract - address private immutable original; - - constructor() { - // Immutables are computed in the init code of the contract, and then inlined into the deployed bytecode. - // In other words, this variable won't change when it's checked at runtime. - original = address(this); - } - - /// @dev Private method is used instead of inlining into modifier because modifiers are copied into each method, - /// and the use of immutable means the address bytes are copied in every place the modifier is used. - function checkNotDelegateCall() private view { - require(address(this) == original); - } - - /// @notice Prevents delegatecall into the modified method - modifier noDelegateCall() { - checkNotDelegateCall(); - _; - } -} diff --git a/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/UniswapV3Pool.sol b/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/UniswapV3Pool.sol deleted file mode 100644 index 9e0982127..000000000 --- a/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/UniswapV3Pool.sol +++ /dev/null @@ -1,869 +0,0 @@ -// SPDX-License-Identifier: BUSL-1.1 -pragma solidity =0.7.6; - -import './interfaces/IUniswapV3Pool.sol'; - -import './NoDelegateCall.sol'; - -import './libraries/LowGasSafeMath.sol'; -import './libraries/SafeCast.sol'; -import './libraries/Tick.sol'; -import './libraries/TickBitmap.sol'; -import './libraries/Position.sol'; -import './libraries/Oracle.sol'; - -import './libraries/FullMath.sol'; -import './libraries/FixedPoint128.sol'; -import './libraries/TransferHelper.sol'; -import './libraries/TickMath.sol'; -import './libraries/LiquidityMath.sol'; -import './libraries/SqrtPriceMath.sol'; -import './libraries/SwapMath.sol'; - -import './interfaces/IUniswapV3PoolDeployer.sol'; -import './interfaces/IUniswapV3Factory.sol'; -import './interfaces/IERC20Minimal.sol'; -import './interfaces/callback/IUniswapV3MintCallback.sol'; -import './interfaces/callback/IUniswapV3SwapCallback.sol'; -import './interfaces/callback/IUniswapV3FlashCallback.sol'; - -contract UniswapV3Pool is IUniswapV3Pool, NoDelegateCall { - using LowGasSafeMath for uint256; - using LowGasSafeMath for int256; - using SafeCast for uint256; - using SafeCast for int256; - using Tick for mapping(int24 => Tick.Info); - using TickBitmap for mapping(int16 => uint256); - using Position for mapping(bytes32 => Position.Info); - using Position for Position.Info; - using Oracle for Oracle.Observation[65535]; - - /// @inheritdoc IUniswapV3PoolImmutables - address public immutable override factory; - /// @inheritdoc IUniswapV3PoolImmutables - address public immutable override token0; - /// @inheritdoc IUniswapV3PoolImmutables - address public immutable override token1; - /// @inheritdoc IUniswapV3PoolImmutables - uint24 public immutable override fee; - - /// @inheritdoc IUniswapV3PoolImmutables - int24 public immutable override tickSpacing; - - /// @inheritdoc IUniswapV3PoolImmutables - uint128 public immutable override maxLiquidityPerTick; - - struct Slot0 { - // the current price - uint160 sqrtPriceX96; - // the current tick - int24 tick; - // the most-recently updated index of the observations array - uint16 observationIndex; - // the current maximum number of observations that are being stored - uint16 observationCardinality; - // the next maximum number of observations to store, triggered in observations.write - uint16 observationCardinalityNext; - // the current protocol fee as a percentage of the swap fee taken on withdrawal - // represented as an integer denominator (1/x)% - uint8 feeProtocol; - // whether the pool is locked - bool unlocked; - } - /// @inheritdoc IUniswapV3PoolState - Slot0 public override slot0; - - /// @inheritdoc IUniswapV3PoolState - uint256 public override feeGrowthGlobal0X128; - /// @inheritdoc IUniswapV3PoolState - uint256 public override feeGrowthGlobal1X128; - - // accumulated protocol fees in token0/token1 units - struct ProtocolFees { - uint128 token0; - uint128 token1; - } - /// @inheritdoc IUniswapV3PoolState - ProtocolFees public override protocolFees; - - /// @inheritdoc IUniswapV3PoolState - uint128 public override liquidity; - - /// @inheritdoc IUniswapV3PoolState - mapping(int24 => Tick.Info) public override ticks; - /// @inheritdoc IUniswapV3PoolState - mapping(int16 => uint256) public override tickBitmap; - /// @inheritdoc IUniswapV3PoolState - mapping(bytes32 => Position.Info) public override positions; - /// @inheritdoc IUniswapV3PoolState - Oracle.Observation[65535] public override observations; - - /// @dev Mutually exclusive reentrancy protection into the pool to/from a method. This method also prevents entrance - /// to a function before the pool is initialized. The reentrancy guard is required throughout the contract because - /// we use balance checks to determine the payment status of interactions such as mint, swap and flash. - modifier lock() { - require(slot0.unlocked, 'LOK'); - slot0.unlocked = false; - _; - slot0.unlocked = true; - } - - /// @dev Prevents calling a function from anyone except the address returned by IUniswapV3Factory#owner() - modifier onlyFactoryOwner() { - require(msg.sender == IUniswapV3Factory(factory).owner()); - _; - } - - constructor() { - int24 _tickSpacing; - (factory, token0, token1, fee, _tickSpacing) = IUniswapV3PoolDeployer(msg.sender).parameters(); - tickSpacing = _tickSpacing; - - maxLiquidityPerTick = Tick.tickSpacingToMaxLiquidityPerTick(_tickSpacing); - } - - /// @dev Common checks for valid tick inputs. - function checkTicks(int24 tickLower, int24 tickUpper) private pure { - require(tickLower < tickUpper, 'TLU'); - require(tickLower >= TickMath.MIN_TICK, 'TLM'); - require(tickUpper <= TickMath.MAX_TICK, 'TUM'); - } - - /// @dev Returns the block timestamp truncated to 32 bits, i.e. mod 2**32. This method is overridden in tests. - function _blockTimestamp() internal view virtual returns (uint32) { - return uint32(block.timestamp); // truncation is desired - } - - /// @dev Get the pool's balance of token0 - /// @dev This function is gas optimized to avoid a redundant extcodesize check in addition to the returndatasize - /// check - function balance0() private view returns (uint256) { - (bool success, bytes memory data) = - token0.staticcall(abi.encodeWithSelector(IERC20Minimal.balanceOf.selector, address(this))); - require(success && data.length >= 32); - return abi.decode(data, (uint256)); - } - - /// @dev Get the pool's balance of token1 - /// @dev This function is gas optimized to avoid a redundant extcodesize check in addition to the returndatasize - /// check - function balance1() private view returns (uint256) { - (bool success, bytes memory data) = - token1.staticcall(abi.encodeWithSelector(IERC20Minimal.balanceOf.selector, address(this))); - require(success && data.length >= 32); - return abi.decode(data, (uint256)); - } - - /// @inheritdoc IUniswapV3PoolDerivedState - function snapshotCumulativesInside(int24 tickLower, int24 tickUpper) - external - view - override - noDelegateCall - returns ( - int56 tickCumulativeInside, - uint160 secondsPerLiquidityInsideX128, - uint32 secondsInside - ) - { - checkTicks(tickLower, tickUpper); - - int56 tickCumulativeLower; - int56 tickCumulativeUpper; - uint160 secondsPerLiquidityOutsideLowerX128; - uint160 secondsPerLiquidityOutsideUpperX128; - uint32 secondsOutsideLower; - uint32 secondsOutsideUpper; - - { - Tick.Info storage lower = ticks[tickLower]; - Tick.Info storage upper = ticks[tickUpper]; - bool initializedLower; - (tickCumulativeLower, secondsPerLiquidityOutsideLowerX128, secondsOutsideLower, initializedLower) = ( - lower.tickCumulativeOutside, - lower.secondsPerLiquidityOutsideX128, - lower.secondsOutside, - lower.initialized - ); - require(initializedLower); - - bool initializedUpper; - (tickCumulativeUpper, secondsPerLiquidityOutsideUpperX128, secondsOutsideUpper, initializedUpper) = ( - upper.tickCumulativeOutside, - upper.secondsPerLiquidityOutsideX128, - upper.secondsOutside, - upper.initialized - ); - require(initializedUpper); - } - - Slot0 memory _slot0 = slot0; - - if (_slot0.tick < tickLower) { - return ( - tickCumulativeLower - tickCumulativeUpper, - secondsPerLiquidityOutsideLowerX128 - secondsPerLiquidityOutsideUpperX128, - secondsOutsideLower - secondsOutsideUpper - ); - } else if (_slot0.tick < tickUpper) { - uint32 time = _blockTimestamp(); - (int56 tickCumulative, uint160 secondsPerLiquidityCumulativeX128) = - observations.observeSingle( - time, - 0, - _slot0.tick, - _slot0.observationIndex, - liquidity, - _slot0.observationCardinality - ); - return ( - tickCumulative - tickCumulativeLower - tickCumulativeUpper, - secondsPerLiquidityCumulativeX128 - - secondsPerLiquidityOutsideLowerX128 - - secondsPerLiquidityOutsideUpperX128, - time - secondsOutsideLower - secondsOutsideUpper - ); - } else { - return ( - tickCumulativeUpper - tickCumulativeLower, - secondsPerLiquidityOutsideUpperX128 - secondsPerLiquidityOutsideLowerX128, - secondsOutsideUpper - secondsOutsideLower - ); - } - } - - /// @inheritdoc IUniswapV3PoolDerivedState - function observe(uint32[] calldata secondsAgos) - external - view - override - noDelegateCall - returns (int56[] memory tickCumulatives, uint160[] memory secondsPerLiquidityCumulativeX128s) - { - return - observations.observe( - _blockTimestamp(), - secondsAgos, - slot0.tick, - slot0.observationIndex, - liquidity, - slot0.observationCardinality - ); - } - - /// @inheritdoc IUniswapV3PoolActions - function increaseObservationCardinalityNext(uint16 observationCardinalityNext) - external - override - lock - noDelegateCall - { - uint16 observationCardinalityNextOld = slot0.observationCardinalityNext; // for the event - uint16 observationCardinalityNextNew = - observations.grow(observationCardinalityNextOld, observationCardinalityNext); - slot0.observationCardinalityNext = observationCardinalityNextNew; - if (observationCardinalityNextOld != observationCardinalityNextNew) - emit IncreaseObservationCardinalityNext(observationCardinalityNextOld, observationCardinalityNextNew); - } - - /// @inheritdoc IUniswapV3PoolActions - /// @dev not locked because it initializes unlocked - function initialize(uint160 sqrtPriceX96) external override { - require(slot0.sqrtPriceX96 == 0, 'AI'); - - int24 tick = TickMath.getTickAtSqrtRatio(sqrtPriceX96); - - (uint16 cardinality, uint16 cardinalityNext) = observations.initialize(_blockTimestamp()); - - slot0 = Slot0({ - sqrtPriceX96: sqrtPriceX96, - tick: tick, - observationIndex: 0, - observationCardinality: cardinality, - observationCardinalityNext: cardinalityNext, - feeProtocol: 0, - unlocked: true - }); - - emit Initialize(sqrtPriceX96, tick); - } - - struct ModifyPositionParams { - // the address that owns the position - address owner; - // the lower and upper tick of the position - int24 tickLower; - int24 tickUpper; - // any change in liquidity - int128 liquidityDelta; - } - - /// @dev Effect some changes to a position - /// @param params the position details and the change to the position's liquidity to effect - /// @return position a storage pointer referencing the position with the given owner and tick range - /// @return amount0 the amount of token0 owed to the pool, negative if the pool should pay the recipient - /// @return amount1 the amount of token1 owed to the pool, negative if the pool should pay the recipient - function _modifyPosition(ModifyPositionParams memory params) - private - noDelegateCall - returns ( - Position.Info storage position, - int256 amount0, - int256 amount1 - ) - { - checkTicks(params.tickLower, params.tickUpper); - - Slot0 memory _slot0 = slot0; // SLOAD for gas optimization - - position = _updatePosition( - params.owner, - params.tickLower, - params.tickUpper, - params.liquidityDelta, - _slot0.tick - ); - - if (params.liquidityDelta != 0) { - if (_slot0.tick < params.tickLower) { - // current tick is below the passed range; liquidity can only become in range by crossing from left to - // right, when we'll need _more_ token0 (it's becoming more valuable) so user must provide it - amount0 = SqrtPriceMath.getAmount0Delta( - TickMath.getSqrtRatioAtTick(params.tickLower), - TickMath.getSqrtRatioAtTick(params.tickUpper), - params.liquidityDelta - ); - } else if (_slot0.tick < params.tickUpper) { - // current tick is inside the passed range - uint128 liquidityBefore = liquidity; // SLOAD for gas optimization - - // write an oracle entry - (slot0.observationIndex, slot0.observationCardinality) = observations.write( - _slot0.observationIndex, - _blockTimestamp(), - _slot0.tick, - liquidityBefore, - _slot0.observationCardinality, - _slot0.observationCardinalityNext - ); - - amount0 = SqrtPriceMath.getAmount0Delta( - _slot0.sqrtPriceX96, - TickMath.getSqrtRatioAtTick(params.tickUpper), - params.liquidityDelta - ); - amount1 = SqrtPriceMath.getAmount1Delta( - TickMath.getSqrtRatioAtTick(params.tickLower), - _slot0.sqrtPriceX96, - params.liquidityDelta - ); - - liquidity = LiquidityMath.addDelta(liquidityBefore, params.liquidityDelta); - } else { - // current tick is above the passed range; liquidity can only become in range by crossing from right to - // left, when we'll need _more_ token1 (it's becoming more valuable) so user must provide it - amount1 = SqrtPriceMath.getAmount1Delta( - TickMath.getSqrtRatioAtTick(params.tickLower), - TickMath.getSqrtRatioAtTick(params.tickUpper), - params.liquidityDelta - ); - } - } - } - - /// @dev Gets and updates a position with the given liquidity delta - /// @param owner the owner of the position - /// @param tickLower the lower tick of the position's tick range - /// @param tickUpper the upper tick of the position's tick range - /// @param tick the current tick, passed to avoid sloads - function _updatePosition( - address owner, - int24 tickLower, - int24 tickUpper, - int128 liquidityDelta, - int24 tick - ) private returns (Position.Info storage position) { - position = positions.get(owner, tickLower, tickUpper); - - uint256 _feeGrowthGlobal0X128 = feeGrowthGlobal0X128; // SLOAD for gas optimization - uint256 _feeGrowthGlobal1X128 = feeGrowthGlobal1X128; // SLOAD for gas optimization - - // if we need to update the ticks, do it - bool flippedLower; - bool flippedUpper; - if (liquidityDelta != 0) { - uint32 time = _blockTimestamp(); - (int56 tickCumulative, uint160 secondsPerLiquidityCumulativeX128) = - observations.observeSingle( - time, - 0, - slot0.tick, - slot0.observationIndex, - liquidity, - slot0.observationCardinality - ); - - flippedLower = ticks.update( - tickLower, - tick, - liquidityDelta, - _feeGrowthGlobal0X128, - _feeGrowthGlobal1X128, - secondsPerLiquidityCumulativeX128, - tickCumulative, - time, - false, - maxLiquidityPerTick - ); - flippedUpper = ticks.update( - tickUpper, - tick, - liquidityDelta, - _feeGrowthGlobal0X128, - _feeGrowthGlobal1X128, - secondsPerLiquidityCumulativeX128, - tickCumulative, - time, - true, - maxLiquidityPerTick - ); - - if (flippedLower) { - tickBitmap.flipTick(tickLower, tickSpacing); - } - if (flippedUpper) { - tickBitmap.flipTick(tickUpper, tickSpacing); - } - } - - (uint256 feeGrowthInside0X128, uint256 feeGrowthInside1X128) = - ticks.getFeeGrowthInside(tickLower, tickUpper, tick, _feeGrowthGlobal0X128, _feeGrowthGlobal1X128); - - position.update(liquidityDelta, feeGrowthInside0X128, feeGrowthInside1X128); - - // clear any tick data that is no longer needed - if (liquidityDelta < 0) { - if (flippedLower) { - ticks.clear(tickLower); - } - if (flippedUpper) { - ticks.clear(tickUpper); - } - } - } - - /// @inheritdoc IUniswapV3PoolActions - /// @dev noDelegateCall is applied indirectly via _modifyPosition - function mint( - address recipient, - int24 tickLower, - int24 tickUpper, - uint128 amount, - bytes calldata data - ) external override lock returns (uint256 amount0, uint256 amount1) { - require(amount > 0); - (, int256 amount0Int, int256 amount1Int) = - _modifyPosition( - ModifyPositionParams({ - owner: recipient, - tickLower: tickLower, - tickUpper: tickUpper, - liquidityDelta: int256(amount).toInt128() - }) - ); - - amount0 = uint256(amount0Int); - amount1 = uint256(amount1Int); - - uint256 balance0Before; - uint256 balance1Before; - if (amount0 > 0) balance0Before = balance0(); - if (amount1 > 0) balance1Before = balance1(); - IUniswapV3MintCallback(msg.sender).uniswapV3MintCallback(amount0, amount1, data); - if (amount0 > 0) require(balance0Before.add(amount0) <= balance0(), 'M0'); - if (amount1 > 0) require(balance1Before.add(amount1) <= balance1(), 'M1'); - - emit Mint(msg.sender, recipient, tickLower, tickUpper, amount, amount0, amount1); - } - - /// @inheritdoc IUniswapV3PoolActions - function collect( - address recipient, - int24 tickLower, - int24 tickUpper, - uint128 amount0Requested, - uint128 amount1Requested - ) external override lock returns (uint128 amount0, uint128 amount1) { - // we don't need to checkTicks here, because invalid positions will never have non-zero tokensOwed{0,1} - Position.Info storage position = positions.get(msg.sender, tickLower, tickUpper); - - amount0 = amount0Requested > position.tokensOwed0 ? position.tokensOwed0 : amount0Requested; - amount1 = amount1Requested > position.tokensOwed1 ? position.tokensOwed1 : amount1Requested; - - if (amount0 > 0) { - position.tokensOwed0 -= amount0; - TransferHelper.safeTransfer(token0, recipient, amount0); - } - if (amount1 > 0) { - position.tokensOwed1 -= amount1; - TransferHelper.safeTransfer(token1, recipient, amount1); - } - - emit Collect(msg.sender, recipient, tickLower, tickUpper, amount0, amount1); - } - - /// @inheritdoc IUniswapV3PoolActions - /// @dev noDelegateCall is applied indirectly via _modifyPosition - function burn( - int24 tickLower, - int24 tickUpper, - uint128 amount - ) external override lock returns (uint256 amount0, uint256 amount1) { - (Position.Info storage position, int256 amount0Int, int256 amount1Int) = - _modifyPosition( - ModifyPositionParams({ - owner: msg.sender, - tickLower: tickLower, - tickUpper: tickUpper, - liquidityDelta: -int256(amount).toInt128() - }) - ); - - amount0 = uint256(-amount0Int); - amount1 = uint256(-amount1Int); - - if (amount0 > 0 || amount1 > 0) { - (position.tokensOwed0, position.tokensOwed1) = ( - position.tokensOwed0 + uint128(amount0), - position.tokensOwed1 + uint128(amount1) - ); - } - - emit Burn(msg.sender, tickLower, tickUpper, amount, amount0, amount1); - } - - struct SwapCache { - // the protocol fee for the input token - uint8 feeProtocol; - // liquidity at the beginning of the swap - uint128 liquidityStart; - // the timestamp of the current block - uint32 blockTimestamp; - // the current value of the tick accumulator, computed only if we cross an initialized tick - int56 tickCumulative; - // the current value of seconds per liquidity accumulator, computed only if we cross an initialized tick - uint160 secondsPerLiquidityCumulativeX128; - // whether we've computed and cached the above two accumulators - bool computedLatestObservation; - } - - // the top level state of the swap, the results of which are recorded in storage at the end - struct SwapState { - // the amount remaining to be swapped in/out of the input/output asset - int256 amountSpecifiedRemaining; - // the amount already swapped out/in of the output/input asset - int256 amountCalculated; - // current sqrt(price) - uint160 sqrtPriceX96; - // the tick associated with the current price - int24 tick; - // the global fee growth of the input token - uint256 feeGrowthGlobalX128; - // amount of input token paid as protocol fee - uint128 protocolFee; - // the current liquidity in range - uint128 liquidity; - } - - struct StepComputations { - // the price at the beginning of the step - uint160 sqrtPriceStartX96; - // the next tick to swap to from the current tick in the swap direction - int24 tickNext; - // whether tickNext is initialized or not - bool initialized; - // sqrt(price) for the next tick (1/0) - uint160 sqrtPriceNextX96; - // how much is being swapped in in this step - uint256 amountIn; - // how much is being swapped out - uint256 amountOut; - // how much fee is being paid in - uint256 feeAmount; - } - - /// @inheritdoc IUniswapV3PoolActions - function swap( - address recipient, - bool zeroForOne, - int256 amountSpecified, - uint160 sqrtPriceLimitX96, - bytes calldata data - ) external override noDelegateCall returns (int256 amount0, int256 amount1) { - require(amountSpecified != 0, 'AS'); - - Slot0 memory slot0Start = slot0; - - require(slot0Start.unlocked, 'LOK'); - require( - zeroForOne - ? sqrtPriceLimitX96 < slot0Start.sqrtPriceX96 && sqrtPriceLimitX96 > TickMath.MIN_SQRT_RATIO - : sqrtPriceLimitX96 > slot0Start.sqrtPriceX96 && sqrtPriceLimitX96 < TickMath.MAX_SQRT_RATIO, - 'SPL' - ); - - slot0.unlocked = false; - - SwapCache memory cache = - SwapCache({ - liquidityStart: liquidity, - blockTimestamp: _blockTimestamp(), - feeProtocol: zeroForOne ? (slot0Start.feeProtocol % 16) : (slot0Start.feeProtocol >> 4), - secondsPerLiquidityCumulativeX128: 0, - tickCumulative: 0, - computedLatestObservation: false - }); - - bool exactInput = amountSpecified > 0; - - SwapState memory state = - SwapState({ - amountSpecifiedRemaining: amountSpecified, - amountCalculated: 0, - sqrtPriceX96: slot0Start.sqrtPriceX96, - tick: slot0Start.tick, - feeGrowthGlobalX128: zeroForOne ? feeGrowthGlobal0X128 : feeGrowthGlobal1X128, - protocolFee: 0, - liquidity: cache.liquidityStart - }); - - // continue swapping as long as we haven't used the entire input/output and haven't reached the price limit - while (state.amountSpecifiedRemaining != 0 && state.sqrtPriceX96 != sqrtPriceLimitX96) { - StepComputations memory step; - - step.sqrtPriceStartX96 = state.sqrtPriceX96; - - (step.tickNext, step.initialized) = tickBitmap.nextInitializedTickWithinOneWord( - state.tick, - tickSpacing, - zeroForOne - ); - - // ensure that we do not overshoot the min/max tick, as the tick bitmap is not aware of these bounds - if (step.tickNext < TickMath.MIN_TICK) { - step.tickNext = TickMath.MIN_TICK; - } else if (step.tickNext > TickMath.MAX_TICK) { - step.tickNext = TickMath.MAX_TICK; - } - - // get the price for the next tick - step.sqrtPriceNextX96 = TickMath.getSqrtRatioAtTick(step.tickNext); - - // compute values to swap to the target tick, price limit, or point where input/output amount is exhausted - (state.sqrtPriceX96, step.amountIn, step.amountOut, step.feeAmount) = SwapMath.computeSwapStep( - state.sqrtPriceX96, - (zeroForOne ? step.sqrtPriceNextX96 < sqrtPriceLimitX96 : step.sqrtPriceNextX96 > sqrtPriceLimitX96) - ? sqrtPriceLimitX96 - : step.sqrtPriceNextX96, - state.liquidity, - state.amountSpecifiedRemaining, - fee - ); - - if (exactInput) { - state.amountSpecifiedRemaining -= (step.amountIn + step.feeAmount).toInt256(); - state.amountCalculated = state.amountCalculated.sub(step.amountOut.toInt256()); - } else { - state.amountSpecifiedRemaining += step.amountOut.toInt256(); - state.amountCalculated = state.amountCalculated.add((step.amountIn + step.feeAmount).toInt256()); - } - - // if the protocol fee is on, calculate how much is owed, decrement feeAmount, and increment protocolFee - if (cache.feeProtocol > 0) { - uint256 delta = step.feeAmount / cache.feeProtocol; - step.feeAmount -= delta; - state.protocolFee += uint128(delta); - } - - // update global fee tracker - if (state.liquidity > 0) - state.feeGrowthGlobalX128 += FullMath.mulDiv(step.feeAmount, FixedPoint128.Q128, state.liquidity); - - // shift tick if we reached the next price - if (state.sqrtPriceX96 == step.sqrtPriceNextX96) { - // if the tick is initialized, run the tick transition - if (step.initialized) { - // check for the placeholder value, which we replace with the actual value the first time the swap - // crosses an initialized tick - if (!cache.computedLatestObservation) { - (cache.tickCumulative, cache.secondsPerLiquidityCumulativeX128) = observations.observeSingle( - cache.blockTimestamp, - 0, - slot0Start.tick, - slot0Start.observationIndex, - cache.liquidityStart, - slot0Start.observationCardinality - ); - cache.computedLatestObservation = true; - } - int128 liquidityNet = - ticks.cross( - step.tickNext, - (zeroForOne ? state.feeGrowthGlobalX128 : feeGrowthGlobal0X128), - (zeroForOne ? feeGrowthGlobal1X128 : state.feeGrowthGlobalX128), - cache.secondsPerLiquidityCumulativeX128, - cache.tickCumulative, - cache.blockTimestamp - ); - // if we're moving leftward, we interpret liquidityNet as the opposite sign - // safe because liquidityNet cannot be type(int128).min - if (zeroForOne) liquidityNet = -liquidityNet; - - state.liquidity = LiquidityMath.addDelta(state.liquidity, liquidityNet); - } - - state.tick = zeroForOne ? step.tickNext - 1 : step.tickNext; - } else if (state.sqrtPriceX96 != step.sqrtPriceStartX96) { - // recompute unless we're on a lower tick boundary (i.e. already transitioned ticks), and haven't moved - state.tick = TickMath.getTickAtSqrtRatio(state.sqrtPriceX96); - } - } - - // update tick and write an oracle entry if the tick change - if (state.tick != slot0Start.tick) { - (uint16 observationIndex, uint16 observationCardinality) = - observations.write( - slot0Start.observationIndex, - cache.blockTimestamp, - slot0Start.tick, - cache.liquidityStart, - slot0Start.observationCardinality, - slot0Start.observationCardinalityNext - ); - (slot0.sqrtPriceX96, slot0.tick, slot0.observationIndex, slot0.observationCardinality) = ( - state.sqrtPriceX96, - state.tick, - observationIndex, - observationCardinality - ); - } else { - // otherwise just update the price - slot0.sqrtPriceX96 = state.sqrtPriceX96; - } - - // update liquidity if it changed - if (cache.liquidityStart != state.liquidity) liquidity = state.liquidity; - - // update fee growth global and, if necessary, protocol fees - // overflow is acceptable, protocol has to withdraw before it hits type(uint128).max fees - if (zeroForOne) { - feeGrowthGlobal0X128 = state.feeGrowthGlobalX128; - if (state.protocolFee > 0) protocolFees.token0 += state.protocolFee; - } else { - feeGrowthGlobal1X128 = state.feeGrowthGlobalX128; - if (state.protocolFee > 0) protocolFees.token1 += state.protocolFee; - } - - (amount0, amount1) = zeroForOne == exactInput - ? (amountSpecified - state.amountSpecifiedRemaining, state.amountCalculated) - : (state.amountCalculated, amountSpecified - state.amountSpecifiedRemaining); - - // do the transfers and collect payment - if (zeroForOne) { - if (amount1 < 0) TransferHelper.safeTransfer(token1, recipient, uint256(-amount1)); - - uint256 balance0Before = balance0(); - IUniswapV3SwapCallback(msg.sender).uniswapV3SwapCallback(amount0, amount1, data); - require(balance0Before.add(uint256(amount0)) <= balance0(), 'IIA'); - } else { - if (amount0 < 0) TransferHelper.safeTransfer(token0, recipient, uint256(-amount0)); - - uint256 balance1Before = balance1(); - IUniswapV3SwapCallback(msg.sender).uniswapV3SwapCallback(amount0, amount1, data); - require(balance1Before.add(uint256(amount1)) <= balance1(), 'IIA'); - } - - emit Swap(msg.sender, recipient, amount0, amount1, state.sqrtPriceX96, state.liquidity, state.tick); - slot0.unlocked = true; - } - - /// @inheritdoc IUniswapV3PoolActions - function flash( - address recipient, - uint256 amount0, - uint256 amount1, - bytes calldata data - ) external override lock noDelegateCall { - uint128 _liquidity = liquidity; - require(_liquidity > 0, 'L'); - - uint256 fee0 = FullMath.mulDivRoundingUp(amount0, fee, 1e6); - uint256 fee1 = FullMath.mulDivRoundingUp(amount1, fee, 1e6); - uint256 balance0Before = balance0(); - uint256 balance1Before = balance1(); - - if (amount0 > 0) TransferHelper.safeTransfer(token0, recipient, amount0); - if (amount1 > 0) TransferHelper.safeTransfer(token1, recipient, amount1); - - IUniswapV3FlashCallback(msg.sender).uniswapV3FlashCallback(fee0, fee1, data); - - uint256 balance0After = balance0(); - uint256 balance1After = balance1(); - - require(balance0Before.add(fee0) <= balance0After, 'F0'); - require(balance1Before.add(fee1) <= balance1After, 'F1'); - - // sub is safe because we know balanceAfter is gt balanceBefore by at least fee - uint256 paid0 = balance0After - balance0Before; - uint256 paid1 = balance1After - balance1Before; - - if (paid0 > 0) { - uint8 feeProtocol0 = slot0.feeProtocol % 16; - uint256 fees0 = feeProtocol0 == 0 ? 0 : paid0 / feeProtocol0; - if (uint128(fees0) > 0) protocolFees.token0 += uint128(fees0); - feeGrowthGlobal0X128 += FullMath.mulDiv(paid0 - fees0, FixedPoint128.Q128, _liquidity); - } - if (paid1 > 0) { - uint8 feeProtocol1 = slot0.feeProtocol >> 4; - uint256 fees1 = feeProtocol1 == 0 ? 0 : paid1 / feeProtocol1; - if (uint128(fees1) > 0) protocolFees.token1 += uint128(fees1); - feeGrowthGlobal1X128 += FullMath.mulDiv(paid1 - fees1, FixedPoint128.Q128, _liquidity); - } - - emit Flash(msg.sender, recipient, amount0, amount1, paid0, paid1); - } - - /// @inheritdoc IUniswapV3PoolOwnerActions - function setFeeProtocol(uint8 feeProtocol0, uint8 feeProtocol1) external override lock onlyFactoryOwner { - require( - (feeProtocol0 == 0 || (feeProtocol0 >= 4 && feeProtocol0 <= 10)) && - (feeProtocol1 == 0 || (feeProtocol1 >= 4 && feeProtocol1 <= 10)) - ); - uint8 feeProtocolOld = slot0.feeProtocol; - slot0.feeProtocol = feeProtocol0 + (feeProtocol1 << 4); - emit SetFeeProtocol(feeProtocolOld % 16, feeProtocolOld >> 4, feeProtocol0, feeProtocol1); - } - - /// @inheritdoc IUniswapV3PoolOwnerActions - function collectProtocol( - address recipient, - uint128 amount0Requested, - uint128 amount1Requested - ) external override lock onlyFactoryOwner returns (uint128 amount0, uint128 amount1) { - amount0 = amount0Requested > protocolFees.token0 ? protocolFees.token0 : amount0Requested; - amount1 = amount1Requested > protocolFees.token1 ? protocolFees.token1 : amount1Requested; - - if (amount0 > 0) { - if (amount0 == protocolFees.token0) amount0--; // ensure that the slot is not cleared, for gas savings - protocolFees.token0 -= amount0; - TransferHelper.safeTransfer(token0, recipient, amount0); - } - if (amount1 > 0) { - if (amount1 == protocolFees.token1) amount1--; // ensure that the slot is not cleared, for gas savings - protocolFees.token1 -= amount1; - TransferHelper.safeTransfer(token1, recipient, amount1); - } - - emit CollectProtocol(msg.sender, recipient, amount0, amount1); - } -} diff --git a/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/IERC20Minimal.sol b/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/IERC20Minimal.sol deleted file mode 100644 index c303265a3..000000000 --- a/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/IERC20Minimal.sol +++ /dev/null @@ -1,52 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-or-later -pragma solidity >=0.5.0; - -/// @title Minimal ERC20 interface for Uniswap -/// @notice Contains a subset of the full ERC20 interface that is used in Uniswap V3 -interface IERC20Minimal { - /// @notice Returns the balance of a token - /// @param account The account for which to look up the number of tokens it has, i.e. its balance - /// @return The number of tokens held by the account - function balanceOf(address account) external view returns (uint256); - - /// @notice Transfers the amount of token from the `msg.sender` to the recipient - /// @param recipient The account that will receive the amount transferred - /// @param amount The number of tokens to send from the sender to the recipient - /// @return Returns true for a successful transfer, false for an unsuccessful transfer - function transfer(address recipient, uint256 amount) external returns (bool); - - /// @notice Returns the current allowance given to a spender by an owner - /// @param owner The account of the token owner - /// @param spender The account of the token spender - /// @return The current allowance granted by `owner` to `spender` - function allowance(address owner, address spender) external view returns (uint256); - - /// @notice Sets the allowance of a spender from the `msg.sender` to the value `amount` - /// @param spender The account which will be allowed to spend a given amount of the owners tokens - /// @param amount The amount of tokens allowed to be used by `spender` - /// @return Returns true for a successful approval, false for unsuccessful - function approve(address spender, uint256 amount) external returns (bool); - - /// @notice Transfers `amount` tokens from `sender` to `recipient` up to the allowance given to the `msg.sender` - /// @param sender The account from which the transfer will be initiated - /// @param recipient The recipient of the transfer - /// @param amount The amount of the transfer - /// @return Returns true for a successful transfer, false for unsuccessful - function transferFrom( - address sender, - address recipient, - uint256 amount - ) external returns (bool); - - /// @notice Event emitted when tokens are transferred from one address to another, either via `#transfer` or `#transferFrom`. - /// @param from The account from which the tokens were sent, i.e. the balance decreased - /// @param to The account to which the tokens were sent, i.e. the balance increased - /// @param value The amount of tokens that were transferred - event Transfer(address indexed from, address indexed to, uint256 value); - - /// @notice Event emitted when the approval amount for the spender of a given owner's tokens changes. - /// @param owner The account that approved spending of its tokens - /// @param spender The account for which the spending allowance was modified - /// @param value The new allowance from the owner to the spender - event Approval(address indexed owner, address indexed spender, uint256 value); -} diff --git a/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/IUniswapV3Factory.sol b/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/IUniswapV3Factory.sol deleted file mode 100644 index 540cfdc68..000000000 --- a/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/IUniswapV3Factory.sol +++ /dev/null @@ -1,78 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-or-later -pragma solidity >=0.5.0; - -/// @title The interface for the Uniswap V3 Factory -/// @notice The Uniswap V3 Factory facilitates creation of Uniswap V3 pools and control over the protocol fees -interface IUniswapV3Factory { - /// @notice Emitted when the owner of the factory is changed - /// @param oldOwner The owner before the owner was changed - /// @param newOwner The owner after the owner was changed - event OwnerChanged(address indexed oldOwner, address indexed newOwner); - - /// @notice Emitted when a pool is created - /// @param token0 The first token of the pool by address sort order - /// @param token1 The second token of the pool by address sort order - /// @param fee The fee collected upon every swap in the pool, denominated in hundredths of a bip - /// @param tickSpacing The minimum number of ticks between initialized ticks - /// @param pool The address of the created pool - event PoolCreated( - address indexed token0, - address indexed token1, - uint24 indexed fee, - int24 tickSpacing, - address pool - ); - - /// @notice Emitted when a new fee amount is enabled for pool creation via the factory - /// @param fee The enabled fee, denominated in hundredths of a bip - /// @param tickSpacing The minimum number of ticks between initialized ticks for pools created with the given fee - event FeeAmountEnabled(uint24 indexed fee, int24 indexed tickSpacing); - - /// @notice Returns the current owner of the factory - /// @dev Can be changed by the current owner via setOwner - /// @return The address of the factory owner - function owner() external view returns (address); - - /// @notice Returns the tick spacing for a given fee amount, if enabled, or 0 if not enabled - /// @dev A fee amount can never be removed, so this value should be hard coded or cached in the calling context - /// @param fee The enabled fee, denominated in hundredths of a bip. Returns 0 in case of unenabled fee - /// @return The tick spacing - function feeAmountTickSpacing(uint24 fee) external view returns (int24); - - /// @notice Returns the pool address for a given pair of tokens and a fee, or address 0 if it does not exist - /// @dev tokenA and tokenB may be passed in either token0/token1 or token1/token0 order - /// @param tokenA The contract address of either token0 or token1 - /// @param tokenB The contract address of the other token - /// @param fee The fee collected upon every swap in the pool, denominated in hundredths of a bip - /// @return pool The pool address - function getPool( - address tokenA, - address tokenB, - uint24 fee - ) external view returns (address pool); - - /// @notice Creates a pool for the given two tokens and fee - /// @param tokenA One of the two tokens in the desired pool - /// @param tokenB The other of the two tokens in the desired pool - /// @param fee The desired fee for the pool - /// @dev tokenA and tokenB may be passed in either order: token0/token1 or token1/token0. tickSpacing is retrieved - /// from the fee. The call will revert if the pool already exists, the fee is invalid, or the token arguments - /// are invalid. - /// @return pool The address of the newly created pool - function createPool( - address tokenA, - address tokenB, - uint24 fee - ) external returns (address pool); - - /// @notice Updates the owner of the factory - /// @dev Must be called by the current owner - /// @param _owner The new owner of the factory - function setOwner(address _owner) external; - - /// @notice Enables a fee amount with the given tickSpacing - /// @dev Fee amounts may never be removed once enabled - /// @param fee The fee amount to enable, denominated in hundredths of a bip (i.e. 1e-6) - /// @param tickSpacing The spacing between ticks to be enforced for all pools created with the given fee amount - function enableFeeAmount(uint24 fee, int24 tickSpacing) external; -} diff --git a/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/IUniswapV3Pool.sol b/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/IUniswapV3Pool.sol deleted file mode 100644 index 56df0500d..000000000 --- a/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/IUniswapV3Pool.sol +++ /dev/null @@ -1,24 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-or-later -pragma solidity >=0.5.0; - -import './pool/IUniswapV3PoolImmutables.sol'; -import './pool/IUniswapV3PoolState.sol'; -import './pool/IUniswapV3PoolDerivedState.sol'; -import './pool/IUniswapV3PoolActions.sol'; -import './pool/IUniswapV3PoolOwnerActions.sol'; -import './pool/IUniswapV3PoolEvents.sol'; - -/// @title The interface for a Uniswap V3 Pool -/// @notice A Uniswap pool facilitates swapping and automated market making between any two assets that strictly conform -/// to the ERC20 specification -/// @dev The pool interface is broken up into many smaller pieces -interface IUniswapV3Pool is - IUniswapV3PoolImmutables, - IUniswapV3PoolState, - IUniswapV3PoolDerivedState, - IUniswapV3PoolActions, - IUniswapV3PoolOwnerActions, - IUniswapV3PoolEvents -{ - -} diff --git a/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/IUniswapV3PoolDeployer.sol b/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/IUniswapV3PoolDeployer.sol deleted file mode 100644 index 72096c1ff..000000000 --- a/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/IUniswapV3PoolDeployer.sol +++ /dev/null @@ -1,26 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-or-later -pragma solidity >=0.5.0; - -/// @title An interface for a contract that is capable of deploying Uniswap V3 Pools -/// @notice A contract that constructs a pool must implement this to pass arguments to the pool -/// @dev This is used to avoid having constructor arguments in the pool contract, which results in the init code hash -/// of the pool being constant allowing the CREATE2 address of the pool to be cheaply computed on-chain -interface IUniswapV3PoolDeployer { - /// @notice Get the parameters to be used in constructing the pool, set transiently during pool creation. - /// @dev Called by the pool constructor to fetch the parameters of the pool - /// Returns factory The factory address - /// Returns token0 The first token of the pool by address sort order - /// Returns token1 The second token of the pool by address sort order - /// Returns fee The fee collected upon every swap in the pool, denominated in hundredths of a bip - /// Returns tickSpacing The minimum number of ticks between initialized ticks - function parameters() - external - view - returns ( - address factory, - address token0, - address token1, - uint24 fee, - int24 tickSpacing - ); -} diff --git a/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/callback/IUniswapV3FlashCallback.sol b/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/callback/IUniswapV3FlashCallback.sol deleted file mode 100644 index 18e54c4e1..000000000 --- a/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/callback/IUniswapV3FlashCallback.sol +++ /dev/null @@ -1,18 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-or-later -pragma solidity >=0.5.0; - -/// @title Callback for IUniswapV3PoolActions#flash -/// @notice Any contract that calls IUniswapV3PoolActions#flash must implement this interface -interface IUniswapV3FlashCallback { - /// @notice Called to `msg.sender` after transferring to the recipient from IUniswapV3Pool#flash. - /// @dev In the implementation you must repay the pool the tokens sent by flash plus the computed fee amounts. - /// The caller of this method must be checked to be a UniswapV3Pool deployed by the canonical UniswapV3Factory. - /// @param fee0 The fee amount in token0 due to the pool by the end of the flash - /// @param fee1 The fee amount in token1 due to the pool by the end of the flash - /// @param data Any data passed through by the caller via the IUniswapV3PoolActions#flash call - function uniswapV3FlashCallback( - uint256 fee0, - uint256 fee1, - bytes calldata data - ) external; -} diff --git a/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/callback/IUniswapV3MintCallback.sol b/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/callback/IUniswapV3MintCallback.sol deleted file mode 100644 index 85447e84f..000000000 --- a/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/callback/IUniswapV3MintCallback.sol +++ /dev/null @@ -1,18 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-or-later -pragma solidity >=0.5.0; - -/// @title Callback for IUniswapV3PoolActions#mint -/// @notice Any contract that calls IUniswapV3PoolActions#mint must implement this interface -interface IUniswapV3MintCallback { - /// @notice Called to `msg.sender` after minting liquidity to a position from IUniswapV3Pool#mint. - /// @dev In the implementation you must pay the pool tokens owed for the minted liquidity. - /// The caller of this method must be checked to be a UniswapV3Pool deployed by the canonical UniswapV3Factory. - /// @param amount0Owed The amount of token0 due to the pool for the minted liquidity - /// @param amount1Owed The amount of token1 due to the pool for the minted liquidity - /// @param data Any data passed through by the caller via the IUniswapV3PoolActions#mint call - function uniswapV3MintCallback( - uint256 amount0Owed, - uint256 amount1Owed, - bytes calldata data - ) external; -} diff --git a/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/callback/IUniswapV3SwapCallback.sol b/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/callback/IUniswapV3SwapCallback.sol deleted file mode 100644 index 9f183b22a..000000000 --- a/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/callback/IUniswapV3SwapCallback.sol +++ /dev/null @@ -1,21 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-or-later -pragma solidity >=0.5.0; - -/// @title Callback for IUniswapV3PoolActions#swap -/// @notice Any contract that calls IUniswapV3PoolActions#swap must implement this interface -interface IUniswapV3SwapCallback { - /// @notice Called to `msg.sender` after executing a swap via IUniswapV3Pool#swap. - /// @dev In the implementation you must pay the pool tokens owed for the swap. - /// The caller of this method must be checked to be a UniswapV3Pool deployed by the canonical UniswapV3Factory. - /// amount0Delta and amount1Delta can both be 0 if no tokens were swapped. - /// @param amount0Delta The amount of token0 that was sent (negative) or must be received (positive) by the pool by - /// the end of the swap. If positive, the callback must send that amount of token0 to the pool. - /// @param amount1Delta The amount of token1 that was sent (negative) or must be received (positive) by the pool by - /// the end of the swap. If positive, the callback must send that amount of token1 to the pool. - /// @param data Any data passed through by the caller via the IUniswapV3PoolActions#swap call - function uniswapV3SwapCallback( - int256 amount0Delta, - int256 amount1Delta, - bytes calldata data - ) external; -} diff --git a/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/pool/IUniswapV3PoolActions.sol b/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/pool/IUniswapV3PoolActions.sol deleted file mode 100644 index 44fb61c24..000000000 --- a/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/pool/IUniswapV3PoolActions.sol +++ /dev/null @@ -1,103 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-or-later -pragma solidity >=0.5.0; - -/// @title Permissionless pool actions -/// @notice Contains pool methods that can be called by anyone -interface IUniswapV3PoolActions { - /// @notice Sets the initial price for the pool - /// @dev Price is represented as a sqrt(amountToken1/amountToken0) Q64.96 value - /// @param sqrtPriceX96 the initial sqrt price of the pool as a Q64.96 - function initialize(uint160 sqrtPriceX96) external; - - /// @notice Adds liquidity for the given recipient/tickLower/tickUpper position - /// @dev The caller of this method receives a callback in the form of IUniswapV3MintCallback#uniswapV3MintCallback - /// in which they must pay any token0 or token1 owed for the liquidity. The amount of token0/token1 due depends - /// on tickLower, tickUpper, the amount of liquidity, and the current price. - /// @param recipient The address for which the liquidity will be created - /// @param tickLower The lower tick of the position in which to add liquidity - /// @param tickUpper The upper tick of the position in which to add liquidity - /// @param amount The amount of liquidity to mint - /// @param data Any data that should be passed through to the callback - /// @return amount0 The amount of token0 that was paid to mint the given amount of liquidity. Matches the value in the callback - /// @return amount1 The amount of token1 that was paid to mint the given amount of liquidity. Matches the value in the callback - function mint( - address recipient, - int24 tickLower, - int24 tickUpper, - uint128 amount, - bytes calldata data - ) external returns (uint256 amount0, uint256 amount1); - - /// @notice Collects tokens owed to a position - /// @dev Does not recompute fees earned, which must be done either via mint or burn of any amount of liquidity. - /// Collect must be called by the position owner. To withdraw only token0 or only token1, amount0Requested or - /// amount1Requested may be set to zero. To withdraw all tokens owed, caller may pass any value greater than the - /// actual tokens owed, e.g. type(uint128).max. Tokens owed may be from accumulated swap fees or burned liquidity. - /// @param recipient The address which should receive the fees collected - /// @param tickLower The lower tick of the position for which to collect fees - /// @param tickUpper The upper tick of the position for which to collect fees - /// @param amount0Requested How much token0 should be withdrawn from the fees owed - /// @param amount1Requested How much token1 should be withdrawn from the fees owed - /// @return amount0 The amount of fees collected in token0 - /// @return amount1 The amount of fees collected in token1 - function collect( - address recipient, - int24 tickLower, - int24 tickUpper, - uint128 amount0Requested, - uint128 amount1Requested - ) external returns (uint128 amount0, uint128 amount1); - - /// @notice Burn liquidity from the sender and account tokens owed for the liquidity to the position - /// @dev Can be used to trigger a recalculation of fees owed to a position by calling with an amount of 0 - /// @dev Fees must be collected separately via a call to #collect - /// @param tickLower The lower tick of the position for which to burn liquidity - /// @param tickUpper The upper tick of the position for which to burn liquidity - /// @param amount How much liquidity to burn - /// @return amount0 The amount of token0 sent to the recipient - /// @return amount1 The amount of token1 sent to the recipient - function burn( - int24 tickLower, - int24 tickUpper, - uint128 amount - ) external returns (uint256 amount0, uint256 amount1); - - /// @notice Swap token0 for token1, or token1 for token0 - /// @dev The caller of this method receives a callback in the form of IUniswapV3SwapCallback#uniswapV3SwapCallback - /// @param recipient The address to receive the output of the swap - /// @param zeroForOne The direction of the swap, true for token0 to token1, false for token1 to token0 - /// @param amountSpecified The amount of the swap, which implicitly configures the swap as exact input (positive), or exact output (negative) - /// @param sqrtPriceLimitX96 The Q64.96 sqrt price limit. If zero for one, the price cannot be less than this - /// value after the swap. If one for zero, the price cannot be greater than this value after the swap - /// @param data Any data to be passed through to the callback - /// @return amount0 The delta of the balance of token0 of the pool, exact when negative, minimum when positive - /// @return amount1 The delta of the balance of token1 of the pool, exact when negative, minimum when positive - function swap( - address recipient, - bool zeroForOne, - int256 amountSpecified, - uint160 sqrtPriceLimitX96, - bytes calldata data - ) external returns (int256 amount0, int256 amount1); - - /// @notice Receive token0 and/or token1 and pay it back, plus a fee, in the callback - /// @dev The caller of this method receives a callback in the form of IUniswapV3FlashCallback#uniswapV3FlashCallback - /// @dev Can be used to donate underlying tokens pro-rata to currently in-range liquidity providers by calling - /// with 0 amount{0,1} and sending the donation amount(s) from the callback - /// @param recipient The address which will receive the token0 and token1 amounts - /// @param amount0 The amount of token0 to send - /// @param amount1 The amount of token1 to send - /// @param data Any data to be passed through to the callback - function flash( - address recipient, - uint256 amount0, - uint256 amount1, - bytes calldata data - ) external; - - /// @notice Increase the maximum number of price and liquidity observations that this pool will store - /// @dev This method is no-op if the pool already has an observationCardinalityNext greater than or equal to - /// the input observationCardinalityNext. - /// @param observationCardinalityNext The desired minimum number of observations for the pool to store - function increaseObservationCardinalityNext(uint16 observationCardinalityNext) external; -} diff --git a/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/pool/IUniswapV3PoolDerivedState.sol b/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/pool/IUniswapV3PoolDerivedState.sol deleted file mode 100644 index eda3a0089..000000000 --- a/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/pool/IUniswapV3PoolDerivedState.sol +++ /dev/null @@ -1,40 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-or-later -pragma solidity >=0.5.0; - -/// @title Pool state that is not stored -/// @notice Contains view functions to provide information about the pool that is computed rather than stored on the -/// blockchain. The functions here may have variable gas costs. -interface IUniswapV3PoolDerivedState { - /// @notice Returns the cumulative tick and liquidity as of each timestamp `secondsAgo` from the current block timestamp - /// @dev To get a time weighted average tick or liquidity-in-range, you must call this with two values, one representing - /// the beginning of the period and another for the end of the period. E.g., to get the last hour time-weighted average tick, - /// you must call it with secondsAgos = [3600, 0]. - /// @dev The time weighted average tick represents the geometric time weighted average price of the pool, in - /// log base sqrt(1.0001) of token1 / token0. The TickMath library can be used to go from a tick value to a ratio. - /// @param secondsAgos From how long ago each cumulative tick and liquidity value should be returned - /// @return tickCumulatives Cumulative tick values as of each `secondsAgos` from the current block timestamp - /// @return secondsPerLiquidityCumulativeX128s Cumulative seconds per liquidity-in-range value as of each `secondsAgos` from the current block - /// timestamp - function observe(uint32[] calldata secondsAgos) - external - view - returns (int56[] memory tickCumulatives, uint160[] memory secondsPerLiquidityCumulativeX128s); - - /// @notice Returns a snapshot of the tick cumulative, seconds per liquidity and seconds inside a tick range - /// @dev Snapshots must only be compared to other snapshots, taken over a period for which a position existed. - /// I.e., snapshots cannot be compared if a position is not held for the entire period between when the first - /// snapshot is taken and the second snapshot is taken. - /// @param tickLower The lower tick of the range - /// @param tickUpper The upper tick of the range - /// @return tickCumulativeInside The snapshot of the tick accumulator for the range - /// @return secondsPerLiquidityInsideX128 The snapshot of seconds per liquidity for the range - /// @return secondsInside The snapshot of seconds per liquidity for the range - function snapshotCumulativesInside(int24 tickLower, int24 tickUpper) - external - view - returns ( - int56 tickCumulativeInside, - uint160 secondsPerLiquidityInsideX128, - uint32 secondsInside - ); -} diff --git a/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/pool/IUniswapV3PoolEvents.sol b/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/pool/IUniswapV3PoolEvents.sol deleted file mode 100644 index 9d915dde9..000000000 --- a/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/pool/IUniswapV3PoolEvents.sol +++ /dev/null @@ -1,121 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-or-later -pragma solidity >=0.5.0; - -/// @title Events emitted by a pool -/// @notice Contains all events emitted by the pool -interface IUniswapV3PoolEvents { - /// @notice Emitted exactly once by a pool when #initialize is first called on the pool - /// @dev Mint/Burn/Swap cannot be emitted by the pool before Initialize - /// @param sqrtPriceX96 The initial sqrt price of the pool, as a Q64.96 - /// @param tick The initial tick of the pool, i.e. log base 1.0001 of the starting price of the pool - event Initialize(uint160 sqrtPriceX96, int24 tick); - - /// @notice Emitted when liquidity is minted for a given position - /// @param sender The address that minted the liquidity - /// @param owner The owner of the position and recipient of any minted liquidity - /// @param tickLower The lower tick of the position - /// @param tickUpper The upper tick of the position - /// @param amount The amount of liquidity minted to the position range - /// @param amount0 How much token0 was required for the minted liquidity - /// @param amount1 How much token1 was required for the minted liquidity - event Mint( - address sender, - address indexed owner, - int24 indexed tickLower, - int24 indexed tickUpper, - uint128 amount, - uint256 amount0, - uint256 amount1 - ); - - /// @notice Emitted when fees are collected by the owner of a position - /// @dev Collect events may be emitted with zero amount0 and amount1 when the caller chooses not to collect fees - /// @param owner The owner of the position for which fees are collected - /// @param tickLower The lower tick of the position - /// @param tickUpper The upper tick of the position - /// @param amount0 The amount of token0 fees collected - /// @param amount1 The amount of token1 fees collected - event Collect( - address indexed owner, - address recipient, - int24 indexed tickLower, - int24 indexed tickUpper, - uint128 amount0, - uint128 amount1 - ); - - /// @notice Emitted when a position's liquidity is removed - /// @dev Does not withdraw any fees earned by the liquidity position, which must be withdrawn via #collect - /// @param owner The owner of the position for which liquidity is removed - /// @param tickLower The lower tick of the position - /// @param tickUpper The upper tick of the position - /// @param amount The amount of liquidity to remove - /// @param amount0 The amount of token0 withdrawn - /// @param amount1 The amount of token1 withdrawn - event Burn( - address indexed owner, - int24 indexed tickLower, - int24 indexed tickUpper, - uint128 amount, - uint256 amount0, - uint256 amount1 - ); - - /// @notice Emitted by the pool for any swaps between token0 and token1 - /// @param sender The address that initiated the swap call, and that received the callback - /// @param recipient The address that received the output of the swap - /// @param amount0 The delta of the token0 balance of the pool - /// @param amount1 The delta of the token1 balance of the pool - /// @param sqrtPriceX96 The sqrt(price) of the pool after the swap, as a Q64.96 - /// @param liquidity The liquidity of the pool after the swap - /// @param tick The log base 1.0001 of price of the pool after the swap - event Swap( - address indexed sender, - address indexed recipient, - int256 amount0, - int256 amount1, - uint160 sqrtPriceX96, - uint128 liquidity, - int24 tick - ); - - /// @notice Emitted by the pool for any flashes of token0/token1 - /// @param sender The address that initiated the swap call, and that received the callback - /// @param recipient The address that received the tokens from flash - /// @param amount0 The amount of token0 that was flashed - /// @param amount1 The amount of token1 that was flashed - /// @param paid0 The amount of token0 paid for the flash, which can exceed the amount0 plus the fee - /// @param paid1 The amount of token1 paid for the flash, which can exceed the amount1 plus the fee - event Flash( - address indexed sender, - address indexed recipient, - uint256 amount0, - uint256 amount1, - uint256 paid0, - uint256 paid1 - ); - - /// @notice Emitted by the pool for increases to the number of observations that can be stored - /// @dev observationCardinalityNext is not the observation cardinality until an observation is written at the index - /// just before a mint/swap/burn. - /// @param observationCardinalityNextOld The previous value of the next observation cardinality - /// @param observationCardinalityNextNew The updated value of the next observation cardinality - event IncreaseObservationCardinalityNext( - uint16 observationCardinalityNextOld, - uint16 observationCardinalityNextNew - ); - - /// @notice Emitted when the protocol fee is changed by the pool - /// @param feeProtocol0Old The previous value of the token0 protocol fee - /// @param feeProtocol1Old The previous value of the token1 protocol fee - /// @param feeProtocol0New The updated value of the token0 protocol fee - /// @param feeProtocol1New The updated value of the token1 protocol fee - event SetFeeProtocol(uint8 feeProtocol0Old, uint8 feeProtocol1Old, uint8 feeProtocol0New, uint8 feeProtocol1New); - - /// @notice Emitted when the collected protocol fees are withdrawn by the factory owner - /// @param sender The address that collects the protocol fees - /// @param recipient The address that receives the collected protocol fees - /// @param amount0 The amount of token0 protocol fees that is withdrawn - /// @param amount0 The amount of token1 protocol fees that is withdrawn - event CollectProtocol(address indexed sender, address indexed recipient, uint128 amount0, uint128 amount1); -} diff --git a/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/pool/IUniswapV3PoolImmutables.sol b/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/pool/IUniswapV3PoolImmutables.sol deleted file mode 100644 index c9beb151e..000000000 --- a/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/pool/IUniswapV3PoolImmutables.sol +++ /dev/null @@ -1,35 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-or-later -pragma solidity >=0.5.0; - -/// @title Pool state that never changes -/// @notice These parameters are fixed for a pool forever, i.e., the methods will always return the same values -interface IUniswapV3PoolImmutables { - /// @notice The contract that deployed the pool, which must adhere to the IUniswapV3Factory interface - /// @return The contract address - function factory() external view returns (address); - - /// @notice The first of the two tokens of the pool, sorted by address - /// @return The token contract address - function token0() external view returns (address); - - /// @notice The second of the two tokens of the pool, sorted by address - /// @return The token contract address - function token1() external view returns (address); - - /// @notice The pool's fee in hundredths of a bip, i.e. 1e-6 - /// @return The fee - function fee() external view returns (uint24); - - /// @notice The pool tick spacing - /// @dev Ticks can only be used at multiples of this value, minimum of 1 and always positive - /// e.g.: a tickSpacing of 3 means ticks can be initialized every 3rd tick, i.e., ..., -6, -3, 0, 3, 6, ... - /// This value is an int24 to avoid casting even though it is always positive. - /// @return The tick spacing - function tickSpacing() external view returns (int24); - - /// @notice The maximum amount of position liquidity that can use any tick in the range - /// @dev This parameter is enforced per tick to prevent liquidity from overflowing a uint128 at any point, and - /// also prevents out-of-range liquidity from being used to prevent adding in-range liquidity to a pool - /// @return The max amount of liquidity per tick - function maxLiquidityPerTick() external view returns (uint128); -} diff --git a/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/pool/IUniswapV3PoolOwnerActions.sol b/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/pool/IUniswapV3PoolOwnerActions.sol deleted file mode 100644 index 2395ed321..000000000 --- a/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/pool/IUniswapV3PoolOwnerActions.sol +++ /dev/null @@ -1,23 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-or-later -pragma solidity >=0.5.0; - -/// @title Permissioned pool actions -/// @notice Contains pool methods that may only be called by the factory owner -interface IUniswapV3PoolOwnerActions { - /// @notice Set the denominator of the protocol's % share of the fees - /// @param feeProtocol0 new protocol fee for token0 of the pool - /// @param feeProtocol1 new protocol fee for token1 of the pool - function setFeeProtocol(uint8 feeProtocol0, uint8 feeProtocol1) external; - - /// @notice Collect the protocol fee accrued to the pool - /// @param recipient The address to which collected protocol fees should be sent - /// @param amount0Requested The maximum amount of token0 to send, can be 0 to collect fees in only token1 - /// @param amount1Requested The maximum amount of token1 to send, can be 0 to collect fees in only token0 - /// @return amount0 The protocol fee collected in token0 - /// @return amount1 The protocol fee collected in token1 - function collectProtocol( - address recipient, - uint128 amount0Requested, - uint128 amount1Requested - ) external returns (uint128 amount0, uint128 amount1); -} diff --git a/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/pool/IUniswapV3PoolState.sol b/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/pool/IUniswapV3PoolState.sol deleted file mode 100644 index 620256c31..000000000 --- a/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/pool/IUniswapV3PoolState.sol +++ /dev/null @@ -1,116 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-or-later -pragma solidity >=0.5.0; - -/// @title Pool state that can change -/// @notice These methods compose the pool's state, and can change with any frequency including multiple times -/// per transaction -interface IUniswapV3PoolState { - /// @notice The 0th storage slot in the pool stores many values, and is exposed as a single method to save gas - /// when accessed externally. - /// @return sqrtPriceX96 The current price of the pool as a sqrt(token1/token0) Q64.96 value - /// tick The current tick of the pool, i.e. according to the last tick transition that was run. - /// This value may not always be equal to SqrtTickMath.getTickAtSqrtRatio(sqrtPriceX96) if the price is on a tick - /// boundary. - /// observationIndex The index of the last oracle observation that was written, - /// observationCardinality The current maximum number of observations stored in the pool, - /// observationCardinalityNext The next maximum number of observations, to be updated when the observation. - /// feeProtocol The protocol fee for both tokens of the pool. - /// Encoded as two 4 bit values, where the protocol fee of token1 is shifted 4 bits and the protocol fee of token0 - /// is the lower 4 bits. Used as the denominator of a fraction of the swap fee, e.g. 4 means 1/4th of the swap fee. - /// unlocked Whether the pool is currently locked to reentrancy - function slot0() - external - view - returns ( - uint160 sqrtPriceX96, - int24 tick, - uint16 observationIndex, - uint16 observationCardinality, - uint16 observationCardinalityNext, - uint8 feeProtocol, - bool unlocked - ); - - /// @notice The fee growth as a Q128.128 fees of token0 collected per unit of liquidity for the entire life of the pool - /// @dev This value can overflow the uint256 - function feeGrowthGlobal0X128() external view returns (uint256); - - /// @notice The fee growth as a Q128.128 fees of token1 collected per unit of liquidity for the entire life of the pool - /// @dev This value can overflow the uint256 - function feeGrowthGlobal1X128() external view returns (uint256); - - /// @notice The amounts of token0 and token1 that are owed to the protocol - /// @dev Protocol fees will never exceed uint128 max in either token - function protocolFees() external view returns (uint128 token0, uint128 token1); - - /// @notice The currently in range liquidity available to the pool - /// @dev This value has no relationship to the total liquidity across all ticks - function liquidity() external view returns (uint128); - - /// @notice Look up information about a specific tick in the pool - /// @param tick The tick to look up - /// @return liquidityGross the total amount of position liquidity that uses the pool either as tick lower or - /// tick upper, - /// liquidityNet how much liquidity changes when the pool price crosses the tick, - /// feeGrowthOutside0X128 the fee growth on the other side of the tick from the current tick in token0, - /// feeGrowthOutside1X128 the fee growth on the other side of the tick from the current tick in token1, - /// tickCumulativeOutside the cumulative tick value on the other side of the tick from the current tick - /// secondsPerLiquidityOutsideX128 the seconds spent per liquidity on the other side of the tick from the current tick, - /// secondsOutside the seconds spent on the other side of the tick from the current tick, - /// initialized Set to true if the tick is initialized, i.e. liquidityGross is greater than 0, otherwise equal to false. - /// Outside values can only be used if the tick is initialized, i.e. if liquidityGross is greater than 0. - /// In addition, these values are only relative and must be used only in comparison to previous snapshots for - /// a specific position. - function ticks(int24 tick) - external - view - returns ( - uint128 liquidityGross, - int128 liquidityNet, - uint256 feeGrowthOutside0X128, - uint256 feeGrowthOutside1X128, - int56 tickCumulativeOutside, - uint160 secondsPerLiquidityOutsideX128, - uint32 secondsOutside, - bool initialized - ); - - /// @notice Returns 256 packed tick initialized boolean values. See TickBitmap for more information - function tickBitmap(int16 wordPosition) external view returns (uint256); - - /// @notice Returns the information about a position by the position's key - /// @param key The position's key is a hash of a preimage composed by the owner, tickLower and tickUpper - /// @return _liquidity The amount of liquidity in the position, - /// Returns feeGrowthInside0LastX128 fee growth of token0 inside the tick range as of the last mint/burn/poke, - /// Returns feeGrowthInside1LastX128 fee growth of token1 inside the tick range as of the last mint/burn/poke, - /// Returns tokensOwed0 the computed amount of token0 owed to the position as of the last mint/burn/poke, - /// Returns tokensOwed1 the computed amount of token1 owed to the position as of the last mint/burn/poke - function positions(bytes32 key) - external - view - returns ( - uint128 _liquidity, - uint256 feeGrowthInside0LastX128, - uint256 feeGrowthInside1LastX128, - uint128 tokensOwed0, - uint128 tokensOwed1 - ); - - /// @notice Returns data about a specific observation index - /// @param index The element of the observations array to fetch - /// @dev You most likely want to use #observe() instead of this method to get an observation as of some amount of time - /// ago, rather than at a specific index in the array. - /// @return blockTimestamp The timestamp of the observation, - /// Returns tickCumulative the tick multiplied by seconds elapsed for the life of the pool as of the observation timestamp, - /// Returns secondsPerLiquidityCumulativeX128 the seconds per in range liquidity for the life of the pool as of the observation timestamp, - /// Returns initialized whether the observation has been initialized and the values are safe to use - function observations(uint256 index) - external - view - returns ( - uint32 blockTimestamp, - int56 tickCumulative, - uint160 secondsPerLiquidityCumulativeX128, - bool initialized - ); -} diff --git a/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/BitMath.sol b/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/BitMath.sol deleted file mode 100644 index 3a7216c7b..000000000 --- a/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/BitMath.sol +++ /dev/null @@ -1,94 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-or-later -pragma solidity >=0.5.0; - -/// @title BitMath -/// @dev This library provides functionality for computing bit properties of an unsigned integer -library BitMath { - /// @notice Returns the index of the most significant bit of the number, - /// where the least significant bit is at index 0 and the most significant bit is at index 255 - /// @dev The function satisfies the property: - /// x >= 2**mostSignificantBit(x) and x < 2**(mostSignificantBit(x)+1) - /// @param x the value for which to compute the most significant bit, must be greater than 0 - /// @return r the index of the most significant bit - function mostSignificantBit(uint256 x) internal pure returns (uint8 r) { - require(x > 0); - - if (x >= 0x100000000000000000000000000000000) { - x >>= 128; - r += 128; - } - if (x >= 0x10000000000000000) { - x >>= 64; - r += 64; - } - if (x >= 0x100000000) { - x >>= 32; - r += 32; - } - if (x >= 0x10000) { - x >>= 16; - r += 16; - } - if (x >= 0x100) { - x >>= 8; - r += 8; - } - if (x >= 0x10) { - x >>= 4; - r += 4; - } - if (x >= 0x4) { - x >>= 2; - r += 2; - } - if (x >= 0x2) r += 1; - } - - /// @notice Returns the index of the least significant bit of the number, - /// where the least significant bit is at index 0 and the most significant bit is at index 255 - /// @dev The function satisfies the property: - /// (x & 2**leastSignificantBit(x)) != 0 and (x & (2**(leastSignificantBit(x)) - 1)) == 0) - /// @param x the value for which to compute the least significant bit, must be greater than 0 - /// @return r the index of the least significant bit - function leastSignificantBit(uint256 x) internal pure returns (uint8 r) { - require(x > 0); - - r = 255; - if (x & type(uint128).max > 0) { - r -= 128; - } else { - x >>= 128; - } - if (x & type(uint64).max > 0) { - r -= 64; - } else { - x >>= 64; - } - if (x & type(uint32).max > 0) { - r -= 32; - } else { - x >>= 32; - } - if (x & type(uint16).max > 0) { - r -= 16; - } else { - x >>= 16; - } - if (x & type(uint8).max > 0) { - r -= 8; - } else { - x >>= 8; - } - if (x & 0xf > 0) { - r -= 4; - } else { - x >>= 4; - } - if (x & 0x3 > 0) { - r -= 2; - } else { - x >>= 2; - } - if (x & 0x1 > 0) r -= 1; - } -} diff --git a/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/FixedPoint128.sol b/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/FixedPoint128.sol deleted file mode 100644 index 6d6948b10..000000000 --- a/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/FixedPoint128.sol +++ /dev/null @@ -1,8 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-or-later -pragma solidity >=0.4.0; - -/// @title FixedPoint128 -/// @notice A library for handling binary fixed point numbers, see https://en.wikipedia.org/wiki/Q_(number_format) -library FixedPoint128 { - uint256 internal constant Q128 = 0x100000000000000000000000000000000; -} diff --git a/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/FixedPoint96.sol b/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/FixedPoint96.sol deleted file mode 100644 index 63b42c294..000000000 --- a/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/FixedPoint96.sol +++ /dev/null @@ -1,10 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-or-later -pragma solidity >=0.4.0; - -/// @title FixedPoint96 -/// @notice A library for handling binary fixed point numbers, see https://en.wikipedia.org/wiki/Q_(number_format) -/// @dev Used in SqrtPriceMath.sol -library FixedPoint96 { - uint8 internal constant RESOLUTION = 96; - uint256 internal constant Q96 = 0x1000000000000000000000000; -} diff --git a/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/FullMath.sol b/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/FullMath.sol deleted file mode 100644 index 8688a1773..000000000 --- a/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/FullMath.sol +++ /dev/null @@ -1,124 +0,0 @@ -// SPDX-License-Identifier: MIT -pragma solidity >=0.4.0; - -/// @title Contains 512-bit math functions -/// @notice Facilitates multiplication and division that can have overflow of an intermediate value without any loss of precision -/// @dev Handles "phantom overflow" i.e., allows multiplication and division where an intermediate value overflows 256 bits -library FullMath { - /// @notice Calculates floor(a×b÷denominator) with full precision. Throws if result overflows a uint256 or denominator == 0 - /// @param a The multiplicand - /// @param b The multiplier - /// @param denominator The divisor - /// @return result The 256-bit result - /// @dev Credit to Remco Bloemen under MIT license https://xn--2-umb.com/21/muldiv - function mulDiv( - uint256 a, - uint256 b, - uint256 denominator - ) internal pure returns (uint256 result) { - // 512-bit multiply [prod1 prod0] = a * b - // Compute the product mod 2**256 and mod 2**256 - 1 - // then use the Chinese Remainder Theorem to reconstruct - // the 512 bit result. The result is stored in two 256 - // variables such that product = prod1 * 2**256 + prod0 - uint256 prod0; // Least significant 256 bits of the product - uint256 prod1; // Most significant 256 bits of the product - assembly { - let mm := mulmod(a, b, not(0)) - prod0 := mul(a, b) - prod1 := sub(sub(mm, prod0), lt(mm, prod0)) - } - - // Handle non-overflow cases, 256 by 256 division - if (prod1 == 0) { - require(denominator > 0); - assembly { - result := div(prod0, denominator) - } - return result; - } - - // Make sure the result is less than 2**256. - // Also prevents denominator == 0 - require(denominator > prod1); - - /////////////////////////////////////////////// - // 512 by 256 division. - /////////////////////////////////////////////// - - // Make division exact by subtracting the remainder from [prod1 prod0] - // Compute remainder using mulmod - uint256 remainder; - assembly { - remainder := mulmod(a, b, denominator) - } - // Subtract 256 bit number from 512 bit number - assembly { - prod1 := sub(prod1, gt(remainder, prod0)) - prod0 := sub(prod0, remainder) - } - - // Factor powers of two out of denominator - // Compute largest power of two divisor of denominator. - // Always >= 1. - uint256 twos = -denominator & denominator; - // Divide denominator by power of two - assembly { - denominator := div(denominator, twos) - } - - // Divide [prod1 prod0] by the factors of two - assembly { - prod0 := div(prod0, twos) - } - // Shift in bits from prod1 into prod0. For this we need - // to flip `twos` such that it is 2**256 / twos. - // If twos is zero, then it becomes one - assembly { - twos := add(div(sub(0, twos), twos), 1) - } - prod0 |= prod1 * twos; - - // Invert denominator mod 2**256 - // Now that denominator is an odd number, it has an inverse - // modulo 2**256 such that denominator * inv = 1 mod 2**256. - // Compute the inverse by starting with a seed that is correct - // correct for four bits. That is, denominator * inv = 1 mod 2**4 - uint256 inv = (3 * denominator) ^ 2; - // Now use Newton-Raphson iteration to improve the precision. - // Thanks to Hensel's lifting lemma, this also works in modular - // arithmetic, doubling the correct bits in each step. - inv *= 2 - denominator * inv; // inverse mod 2**8 - inv *= 2 - denominator * inv; // inverse mod 2**16 - inv *= 2 - denominator * inv; // inverse mod 2**32 - inv *= 2 - denominator * inv; // inverse mod 2**64 - inv *= 2 - denominator * inv; // inverse mod 2**128 - inv *= 2 - denominator * inv; // inverse mod 2**256 - - // Because the division is now exact we can divide by multiplying - // with the modular inverse of denominator. This will give us the - // correct result modulo 2**256. Since the precoditions guarantee - // that the outcome is less than 2**256, this is the final result. - // We don't need to compute the high bits of the result and prod1 - // is no longer required. - result = prod0 * inv; - return result; - } - - /// @notice Calculates ceil(a×b÷denominator) with full precision. Throws if result overflows a uint256 or denominator == 0 - /// @param a The multiplicand - /// @param b The multiplier - /// @param denominator The divisor - /// @return result The 256-bit result - function mulDivRoundingUp( - uint256 a, - uint256 b, - uint256 denominator - ) internal pure returns (uint256 result) { - result = mulDiv(a, b, denominator); - if (mulmod(a, b, denominator) > 0) { - require(result < type(uint256).max); - result++; - } - } -} diff --git a/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/LiquidityMath.sol b/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/LiquidityMath.sol deleted file mode 100644 index d5e23032e..000000000 --- a/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/LiquidityMath.sol +++ /dev/null @@ -1,17 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-or-later -pragma solidity >=0.5.0; - -/// @title Math library for liquidity -library LiquidityMath { - /// @notice Add a signed liquidity delta to liquidity and revert if it overflows or underflows - /// @param x The liquidity before change - /// @param y The delta by which liquidity should be changed - /// @return z The liquidity delta - function addDelta(uint128 x, int128 y) internal pure returns (uint128 z) { - if (y < 0) { - require((z = x - uint128(-y)) < x, 'LS'); - } else { - require((z = x + uint128(y)) >= x, 'LA'); - } - } -} diff --git a/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/LowGasSafeMath.sol b/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/LowGasSafeMath.sol deleted file mode 100644 index dbc817c2e..000000000 --- a/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/LowGasSafeMath.sol +++ /dev/null @@ -1,46 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-or-later -pragma solidity >=0.7.0; - -/// @title Optimized overflow and underflow safe math operations -/// @notice Contains methods for doing math operations that revert on overflow or underflow for minimal gas cost -library LowGasSafeMath { - /// @notice Returns x + y, reverts if sum overflows uint256 - /// @param x The augend - /// @param y The addend - /// @return z The sum of x and y - function add(uint256 x, uint256 y) internal pure returns (uint256 z) { - require((z = x + y) >= x); - } - - /// @notice Returns x - y, reverts if underflows - /// @param x The minuend - /// @param y The subtrahend - /// @return z The difference of x and y - function sub(uint256 x, uint256 y) internal pure returns (uint256 z) { - require((z = x - y) <= x); - } - - /// @notice Returns x * y, reverts if overflows - /// @param x The multiplicand - /// @param y The multiplier - /// @return z The product of x and y - function mul(uint256 x, uint256 y) internal pure returns (uint256 z) { - require(x == 0 || (z = x * y) / x == y); - } - - /// @notice Returns x + y, reverts if overflows or underflows - /// @param x The augend - /// @param y The addend - /// @return z The sum of x and y - function add(int256 x, int256 y) internal pure returns (int256 z) { - require((z = x + y) >= x == (y >= 0)); - } - - /// @notice Returns x - y, reverts if overflows or underflows - /// @param x The minuend - /// @param y The subtrahend - /// @return z The difference of x and y - function sub(int256 x, int256 y) internal pure returns (int256 z) { - require((z = x - y) <= x == (y >= 0)); - } -} diff --git a/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/Oracle.sol b/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/Oracle.sol deleted file mode 100644 index 3f6b3f32c..000000000 --- a/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/Oracle.sol +++ /dev/null @@ -1,325 +0,0 @@ -// SPDX-License-Identifier: BUSL-1.1 -pragma solidity >=0.5.0; - -/// @title Oracle -/// @notice Provides price and liquidity data useful for a wide variety of system designs -/// @dev Instances of stored oracle data, "observations", are collected in the oracle array -/// Every pool is initialized with an oracle array length of 1. Anyone can pay the SSTOREs to increase the -/// maximum length of the oracle array. New slots will be added when the array is fully populated. -/// Observations are overwritten when the full length of the oracle array is populated. -/// The most recent observation is available, independent of the length of the oracle array, by passing 0 to observe() -library Oracle { - struct Observation { - // the block timestamp of the observation - uint32 blockTimestamp; - // the tick accumulator, i.e. tick * time elapsed since the pool was first initialized - int56 tickCumulative; - // the seconds per liquidity, i.e. seconds elapsed / max(1, liquidity) since the pool was first initialized - uint160 secondsPerLiquidityCumulativeX128; - // whether or not the observation is initialized - bool initialized; - } - - /// @notice Transforms a previous observation into a new observation, given the passage of time and the current tick and liquidity values - /// @dev blockTimestamp _must_ be chronologically equal to or greater than last.blockTimestamp, safe for 0 or 1 overflows - /// @param last The specified observation to be transformed - /// @param blockTimestamp The timestamp of the new observation - /// @param tick The active tick at the time of the new observation - /// @param liquidity The total in-range liquidity at the time of the new observation - /// @return Observation The newly populated observation - function transform( - Observation memory last, - uint32 blockTimestamp, - int24 tick, - uint128 liquidity - ) private pure returns (Observation memory) { - uint32 delta = blockTimestamp - last.blockTimestamp; - return - Observation({ - blockTimestamp: blockTimestamp, - tickCumulative: last.tickCumulative + int56(tick) * delta, - secondsPerLiquidityCumulativeX128: last.secondsPerLiquidityCumulativeX128 + - ((uint160(delta) << 128) / (liquidity > 0 ? liquidity : 1)), - initialized: true - }); - } - - /// @notice Initialize the oracle array by writing the first slot. Called once for the lifecycle of the observations array - /// @param self The stored oracle array - /// @param time The time of the oracle initialization, via block.timestamp truncated to uint32 - /// @return cardinality The number of populated elements in the oracle array - /// @return cardinalityNext The new length of the oracle array, independent of population - function initialize(Observation[65535] storage self, uint32 time) - internal - returns (uint16 cardinality, uint16 cardinalityNext) - { - self[0] = Observation({ - blockTimestamp: time, - tickCumulative: 0, - secondsPerLiquidityCumulativeX128: 0, - initialized: true - }); - return (1, 1); - } - - /// @notice Writes an oracle observation to the array - /// @dev Writable at most once per block. Index represents the most recently written element. cardinality and index must be tracked externally. - /// If the index is at the end of the allowable array length (according to cardinality), and the next cardinality - /// is greater than the current one, cardinality may be increased. This restriction is created to preserve ordering. - /// @param self The stored oracle array - /// @param index The index of the observation that was most recently written to the observations array - /// @param blockTimestamp The timestamp of the new observation - /// @param tick The active tick at the time of the new observation - /// @param liquidity The total in-range liquidity at the time of the new observation - /// @param cardinality The number of populated elements in the oracle array - /// @param cardinalityNext The new length of the oracle array, independent of population - /// @return indexUpdated The new index of the most recently written element in the oracle array - /// @return cardinalityUpdated The new cardinality of the oracle array - function write( - Observation[65535] storage self, - uint16 index, - uint32 blockTimestamp, - int24 tick, - uint128 liquidity, - uint16 cardinality, - uint16 cardinalityNext - ) internal returns (uint16 indexUpdated, uint16 cardinalityUpdated) { - Observation memory last = self[index]; - - // early return if we've already written an observation this block - if (last.blockTimestamp == blockTimestamp) return (index, cardinality); - - // if the conditions are right, we can bump the cardinality - if (cardinalityNext > cardinality && index == (cardinality - 1)) { - cardinalityUpdated = cardinalityNext; - } else { - cardinalityUpdated = cardinality; - } - - indexUpdated = (index + 1) % cardinalityUpdated; - self[indexUpdated] = transform(last, blockTimestamp, tick, liquidity); - } - - /// @notice Prepares the oracle array to store up to `next` observations - /// @param self The stored oracle array - /// @param current The current next cardinality of the oracle array - /// @param next The proposed next cardinality which will be populated in the oracle array - /// @return next The next cardinality which will be populated in the oracle array - function grow( - Observation[65535] storage self, - uint16 current, - uint16 next - ) internal returns (uint16) { - require(current > 0, 'I'); - // no-op if the passed next value isn't greater than the current next value - if (next <= current) return current; - // store in each slot to prevent fresh SSTOREs in swaps - // this data will not be used because the initialized boolean is still false - for (uint16 i = current; i < next; i++) self[i].blockTimestamp = 1; - return next; - } - - /// @notice comparator for 32-bit timestamps - /// @dev safe for 0 or 1 overflows, a and b _must_ be chronologically before or equal to time - /// @param time A timestamp truncated to 32 bits - /// @param a A comparison timestamp from which to determine the relative position of `time` - /// @param b From which to determine the relative position of `time` - /// @return bool Whether `a` is chronologically <= `b` - function lte( - uint32 time, - uint32 a, - uint32 b - ) private pure returns (bool) { - // if there hasn't been overflow, no need to adjust - if (a <= time && b <= time) return a <= b; - - uint256 aAdjusted = a > time ? a : a + 2**32; - uint256 bAdjusted = b > time ? b : b + 2**32; - - return aAdjusted <= bAdjusted; - } - - /// @notice Fetches the observations beforeOrAt and atOrAfter a target, i.e. where [beforeOrAt, atOrAfter] is satisfied. - /// The result may be the same observation, or adjacent observations. - /// @dev The answer must be contained in the array, used when the target is located within the stored observation - /// boundaries: older than the most recent observation and younger, or the same age as, the oldest observation - /// @param self The stored oracle array - /// @param time The current block.timestamp - /// @param target The timestamp at which the reserved observation should be for - /// @param index The index of the observation that was most recently written to the observations array - /// @param cardinality The number of populated elements in the oracle array - /// @return beforeOrAt The observation recorded before, or at, the target - /// @return atOrAfter The observation recorded at, or after, the target - function binarySearch( - Observation[65535] storage self, - uint32 time, - uint32 target, - uint16 index, - uint16 cardinality - ) private view returns (Observation memory beforeOrAt, Observation memory atOrAfter) { - uint256 l = (index + 1) % cardinality; // oldest observation - uint256 r = l + cardinality - 1; // newest observation - uint256 i; - while (true) { - i = (l + r) / 2; - - beforeOrAt = self[i % cardinality]; - - // we've landed on an uninitialized tick, keep searching higher (more recently) - if (!beforeOrAt.initialized) { - l = i + 1; - continue; - } - - atOrAfter = self[(i + 1) % cardinality]; - - bool targetAtOrAfter = lte(time, beforeOrAt.blockTimestamp, target); - - // check if we've found the answer! - if (targetAtOrAfter && lte(time, target, atOrAfter.blockTimestamp)) break; - - if (!targetAtOrAfter) r = i - 1; - else l = i + 1; - } - } - - /// @notice Fetches the observations beforeOrAt and atOrAfter a given target, i.e. where [beforeOrAt, atOrAfter] is satisfied - /// @dev Assumes there is at least 1 initialized observation. - /// Used by observeSingle() to compute the counterfactual accumulator values as of a given block timestamp. - /// @param self The stored oracle array - /// @param time The current block.timestamp - /// @param target The timestamp at which the reserved observation should be for - /// @param tick The active tick at the time of the returned or simulated observation - /// @param index The index of the observation that was most recently written to the observations array - /// @param liquidity The total pool liquidity at the time of the call - /// @param cardinality The number of populated elements in the oracle array - /// @return beforeOrAt The observation which occurred at, or before, the given timestamp - /// @return atOrAfter The observation which occurred at, or after, the given timestamp - function getSurroundingObservations( - Observation[65535] storage self, - uint32 time, - uint32 target, - int24 tick, - uint16 index, - uint128 liquidity, - uint16 cardinality - ) private view returns (Observation memory beforeOrAt, Observation memory atOrAfter) { - // optimistically set before to the newest observation - beforeOrAt = self[index]; - - // if the target is chronologically at or after the newest observation, we can early return - if (lte(time, beforeOrAt.blockTimestamp, target)) { - if (beforeOrAt.blockTimestamp == target) { - // if newest observation equals target, we're in the same block, so we can ignore atOrAfter - return (beforeOrAt, atOrAfter); - } else { - // otherwise, we need to transform - return (beforeOrAt, transform(beforeOrAt, target, tick, liquidity)); - } - } - - // now, set before to the oldest observation - beforeOrAt = self[(index + 1) % cardinality]; - if (!beforeOrAt.initialized) beforeOrAt = self[0]; - - // ensure that the target is chronologically at or after the oldest observation - require(lte(time, beforeOrAt.blockTimestamp, target), 'OLD'); - - // if we've reached this point, we have to binary search - return binarySearch(self, time, target, index, cardinality); - } - - /// @dev Reverts if an observation at or before the desired observation timestamp does not exist. - /// 0 may be passed as `secondsAgo' to return the current cumulative values. - /// If called with a timestamp falling between two observations, returns the counterfactual accumulator values - /// at exactly the timestamp between the two observations. - /// @param self The stored oracle array - /// @param time The current block timestamp - /// @param secondsAgo The amount of time to look back, in seconds, at which point to return an observation - /// @param tick The current tick - /// @param index The index of the observation that was most recently written to the observations array - /// @param liquidity The current in-range pool liquidity - /// @param cardinality The number of populated elements in the oracle array - /// @return tickCumulative The tick * time elapsed since the pool was first initialized, as of `secondsAgo` - /// @return secondsPerLiquidityCumulativeX128 The time elapsed / max(1, liquidity) since the pool was first initialized, as of `secondsAgo` - function observeSingle( - Observation[65535] storage self, - uint32 time, - uint32 secondsAgo, - int24 tick, - uint16 index, - uint128 liquidity, - uint16 cardinality - ) internal view returns (int56 tickCumulative, uint160 secondsPerLiquidityCumulativeX128) { - if (secondsAgo == 0) { - Observation memory last = self[index]; - if (last.blockTimestamp != time) last = transform(last, time, tick, liquidity); - return (last.tickCumulative, last.secondsPerLiquidityCumulativeX128); - } - - uint32 target = time - secondsAgo; - - (Observation memory beforeOrAt, Observation memory atOrAfter) = - getSurroundingObservations(self, time, target, tick, index, liquidity, cardinality); - - if (target == beforeOrAt.blockTimestamp) { - // we're at the left boundary - return (beforeOrAt.tickCumulative, beforeOrAt.secondsPerLiquidityCumulativeX128); - } else if (target == atOrAfter.blockTimestamp) { - // we're at the right boundary - return (atOrAfter.tickCumulative, atOrAfter.secondsPerLiquidityCumulativeX128); - } else { - // we're in the middle - uint32 observationTimeDelta = atOrAfter.blockTimestamp - beforeOrAt.blockTimestamp; - uint32 targetDelta = target - beforeOrAt.blockTimestamp; - return ( - beforeOrAt.tickCumulative + - ((atOrAfter.tickCumulative - beforeOrAt.tickCumulative) / observationTimeDelta) * - targetDelta, - beforeOrAt.secondsPerLiquidityCumulativeX128 + - uint160( - (uint256( - atOrAfter.secondsPerLiquidityCumulativeX128 - beforeOrAt.secondsPerLiquidityCumulativeX128 - ) * targetDelta) / observationTimeDelta - ) - ); - } - } - - /// @notice Returns the accumulator values as of each time seconds ago from the given time in the array of `secondsAgos` - /// @dev Reverts if `secondsAgos` > oldest observation - /// @param self The stored oracle array - /// @param time The current block.timestamp - /// @param secondsAgos Each amount of time to look back, in seconds, at which point to return an observation - /// @param tick The current tick - /// @param index The index of the observation that was most recently written to the observations array - /// @param liquidity The current in-range pool liquidity - /// @param cardinality The number of populated elements in the oracle array - /// @return tickCumulatives The tick * time elapsed since the pool was first initialized, as of each `secondsAgo` - /// @return secondsPerLiquidityCumulativeX128s The cumulative seconds / max(1, liquidity) since the pool was first initialized, as of each `secondsAgo` - function observe( - Observation[65535] storage self, - uint32 time, - uint32[] memory secondsAgos, - int24 tick, - uint16 index, - uint128 liquidity, - uint16 cardinality - ) internal view returns (int56[] memory tickCumulatives, uint160[] memory secondsPerLiquidityCumulativeX128s) { - require(cardinality > 0, 'I'); - - tickCumulatives = new int56[](secondsAgos.length); - secondsPerLiquidityCumulativeX128s = new uint160[](secondsAgos.length); - for (uint256 i = 0; i < secondsAgos.length; i++) { - (tickCumulatives[i], secondsPerLiquidityCumulativeX128s[i]) = observeSingle( - self, - time, - secondsAgos[i], - tick, - index, - liquidity, - cardinality - ); - } - } -} diff --git a/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/Position.sol b/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/Position.sol deleted file mode 100644 index 1c67c7f27..000000000 --- a/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/Position.sol +++ /dev/null @@ -1,88 +0,0 @@ -// SPDX-License-Identifier: BUSL-1.1 -pragma solidity >=0.5.0; - -import './FullMath.sol'; -import './FixedPoint128.sol'; -import './LiquidityMath.sol'; - -/// @title Position -/// @notice Positions represent an owner address' liquidity between a lower and upper tick boundary -/// @dev Positions store additional state for tracking fees owed to the position -library Position { - // info stored for each user's position - struct Info { - // the amount of liquidity owned by this position - uint128 liquidity; - // fee growth per unit of liquidity as of the last update to liquidity or fees owed - uint256 feeGrowthInside0LastX128; - uint256 feeGrowthInside1LastX128; - // the fees owed to the position owner in token0/token1 - uint128 tokensOwed0; - uint128 tokensOwed1; - } - - /// @notice Returns the Info struct of a position, given an owner and position boundaries - /// @param self The mapping containing all user positions - /// @param owner The address of the position owner - /// @param tickLower The lower tick boundary of the position - /// @param tickUpper The upper tick boundary of the position - /// @return position The position info struct of the given owners' position - function get( - mapping(bytes32 => Info) storage self, - address owner, - int24 tickLower, - int24 tickUpper - ) internal view returns (Position.Info storage position) { - position = self[keccak256(abi.encodePacked(owner, tickLower, tickUpper))]; - } - - /// @notice Credits accumulated fees to a user's position - /// @param self The individual position to update - /// @param liquidityDelta The change in pool liquidity as a result of the position update - /// @param feeGrowthInside0X128 The all-time fee growth in token0, per unit of liquidity, inside the position's tick boundaries - /// @param feeGrowthInside1X128 The all-time fee growth in token1, per unit of liquidity, inside the position's tick boundaries - function update( - Info storage self, - int128 liquidityDelta, - uint256 feeGrowthInside0X128, - uint256 feeGrowthInside1X128 - ) internal { - Info memory _self = self; - - uint128 liquidityNext; - if (liquidityDelta == 0) { - require(_self.liquidity > 0, 'NP'); // disallow pokes for 0 liquidity positions - liquidityNext = _self.liquidity; - } else { - liquidityNext = LiquidityMath.addDelta(_self.liquidity, liquidityDelta); - } - - // calculate accumulated fees - uint128 tokensOwed0 = - uint128( - FullMath.mulDiv( - feeGrowthInside0X128 - _self.feeGrowthInside0LastX128, - _self.liquidity, - FixedPoint128.Q128 - ) - ); - uint128 tokensOwed1 = - uint128( - FullMath.mulDiv( - feeGrowthInside1X128 - _self.feeGrowthInside1LastX128, - _self.liquidity, - FixedPoint128.Q128 - ) - ); - - // update the position - if (liquidityDelta != 0) self.liquidity = liquidityNext; - self.feeGrowthInside0LastX128 = feeGrowthInside0X128; - self.feeGrowthInside1LastX128 = feeGrowthInside1X128; - if (tokensOwed0 > 0 || tokensOwed1 > 0) { - // overflow is acceptable, have to withdraw before you hit type(uint128).max fees - self.tokensOwed0 += tokensOwed0; - self.tokensOwed1 += tokensOwed1; - } - } -} diff --git a/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/SafeCast.sol b/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/SafeCast.sol deleted file mode 100644 index a8ea22987..000000000 --- a/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/SafeCast.sol +++ /dev/null @@ -1,28 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-or-later -pragma solidity >=0.5.0; - -/// @title Safe casting methods -/// @notice Contains methods for safely casting between types -library SafeCast { - /// @notice Cast a uint256 to a uint160, revert on overflow - /// @param y The uint256 to be downcasted - /// @return z The downcasted integer, now type uint160 - function toUint160(uint256 y) internal pure returns (uint160 z) { - require((z = uint160(y)) == y); - } - - /// @notice Cast a int256 to a int128, revert on overflow or underflow - /// @param y The int256 to be downcasted - /// @return z The downcasted integer, now type int128 - function toInt128(int256 y) internal pure returns (int128 z) { - require((z = int128(y)) == y); - } - - /// @notice Cast a uint256 to a int256, revert on overflow - /// @param y The uint256 to be casted - /// @return z The casted integer, now type int256 - function toInt256(uint256 y) internal pure returns (int256 z) { - require(y < 2**255); - z = int256(y); - } -} diff --git a/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/SqrtPriceMath.sol b/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/SqrtPriceMath.sol deleted file mode 100644 index 685f485da..000000000 --- a/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/SqrtPriceMath.sol +++ /dev/null @@ -1,227 +0,0 @@ -// SPDX-License-Identifier: BUSL-1.1 -pragma solidity >=0.5.0; - -import './LowGasSafeMath.sol'; -import './SafeCast.sol'; - -import './FullMath.sol'; -import './UnsafeMath.sol'; -import './FixedPoint96.sol'; - -/// @title Functions based on Q64.96 sqrt price and liquidity -/// @notice Contains the math that uses square root of price as a Q64.96 and liquidity to compute deltas -library SqrtPriceMath { - using LowGasSafeMath for uint256; - using SafeCast for uint256; - - /// @notice Gets the next sqrt price given a delta of token0 - /// @dev Always rounds up, because in the exact output case (increasing price) we need to move the price at least - /// far enough to get the desired output amount, and in the exact input case (decreasing price) we need to move the - /// price less in order to not send too much output. - /// The most precise formula for this is liquidity * sqrtPX96 / (liquidity +- amount * sqrtPX96), - /// if this is impossible because of overflow, we calculate liquidity / (liquidity / sqrtPX96 +- amount). - /// @param sqrtPX96 The starting price, i.e. before accounting for the token0 delta - /// @param liquidity The amount of usable liquidity - /// @param amount How much of token0 to add or remove from virtual reserves - /// @param add Whether to add or remove the amount of token0 - /// @return The price after adding or removing amount, depending on add - function getNextSqrtPriceFromAmount0RoundingUp( - uint160 sqrtPX96, - uint128 liquidity, - uint256 amount, - bool add - ) internal pure returns (uint160) { - // we short circuit amount == 0 because the result is otherwise not guaranteed to equal the input price - if (amount == 0) return sqrtPX96; - uint256 numerator1 = uint256(liquidity) << FixedPoint96.RESOLUTION; - - if (add) { - uint256 product; - if ((product = amount * sqrtPX96) / amount == sqrtPX96) { - uint256 denominator = numerator1 + product; - if (denominator >= numerator1) - // always fits in 160 bits - return uint160(FullMath.mulDivRoundingUp(numerator1, sqrtPX96, denominator)); - } - - return uint160(UnsafeMath.divRoundingUp(numerator1, (numerator1 / sqrtPX96).add(amount))); - } else { - uint256 product; - // if the product overflows, we know the denominator underflows - // in addition, we must check that the denominator does not underflow - require((product = amount * sqrtPX96) / amount == sqrtPX96 && numerator1 > product); - uint256 denominator = numerator1 - product; - return FullMath.mulDivRoundingUp(numerator1, sqrtPX96, denominator).toUint160(); - } - } - - /// @notice Gets the next sqrt price given a delta of token1 - /// @dev Always rounds down, because in the exact output case (decreasing price) we need to move the price at least - /// far enough to get the desired output amount, and in the exact input case (increasing price) we need to move the - /// price less in order to not send too much output. - /// The formula we compute is within <1 wei of the lossless version: sqrtPX96 +- amount / liquidity - /// @param sqrtPX96 The starting price, i.e., before accounting for the token1 delta - /// @param liquidity The amount of usable liquidity - /// @param amount How much of token1 to add, or remove, from virtual reserves - /// @param add Whether to add, or remove, the amount of token1 - /// @return The price after adding or removing `amount` - function getNextSqrtPriceFromAmount1RoundingDown( - uint160 sqrtPX96, - uint128 liquidity, - uint256 amount, - bool add - ) internal pure returns (uint160) { - // if we're adding (subtracting), rounding down requires rounding the quotient down (up) - // in both cases, avoid a mulDiv for most inputs - if (add) { - uint256 quotient = - ( - amount <= type(uint160).max - ? (amount << FixedPoint96.RESOLUTION) / liquidity - : FullMath.mulDiv(amount, FixedPoint96.Q96, liquidity) - ); - - return uint256(sqrtPX96).add(quotient).toUint160(); - } else { - uint256 quotient = - ( - amount <= type(uint160).max - ? UnsafeMath.divRoundingUp(amount << FixedPoint96.RESOLUTION, liquidity) - : FullMath.mulDivRoundingUp(amount, FixedPoint96.Q96, liquidity) - ); - - require(sqrtPX96 > quotient); - // always fits 160 bits - return uint160(sqrtPX96 - quotient); - } - } - - /// @notice Gets the next sqrt price given an input amount of token0 or token1 - /// @dev Throws if price or liquidity are 0, or if the next price is out of bounds - /// @param sqrtPX96 The starting price, i.e., before accounting for the input amount - /// @param liquidity The amount of usable liquidity - /// @param amountIn How much of token0, or token1, is being swapped in - /// @param zeroForOne Whether the amount in is token0 or token1 - /// @return sqrtQX96 The price after adding the input amount to token0 or token1 - function getNextSqrtPriceFromInput( - uint160 sqrtPX96, - uint128 liquidity, - uint256 amountIn, - bool zeroForOne - ) internal pure returns (uint160 sqrtQX96) { - require(sqrtPX96 > 0); - require(liquidity > 0); - - // round to make sure that we don't pass the target price - return - zeroForOne - ? getNextSqrtPriceFromAmount0RoundingUp(sqrtPX96, liquidity, amountIn, true) - : getNextSqrtPriceFromAmount1RoundingDown(sqrtPX96, liquidity, amountIn, true); - } - - /// @notice Gets the next sqrt price given an output amount of token0 or token1 - /// @dev Throws if price or liquidity are 0 or the next price is out of bounds - /// @param sqrtPX96 The starting price before accounting for the output amount - /// @param liquidity The amount of usable liquidity - /// @param amountOut How much of token0, or token1, is being swapped out - /// @param zeroForOne Whether the amount out is token0 or token1 - /// @return sqrtQX96 The price after removing the output amount of token0 or token1 - function getNextSqrtPriceFromOutput( - uint160 sqrtPX96, - uint128 liquidity, - uint256 amountOut, - bool zeroForOne - ) internal pure returns (uint160 sqrtQX96) { - require(sqrtPX96 > 0); - require(liquidity > 0); - - // round to make sure that we pass the target price - return - zeroForOne - ? getNextSqrtPriceFromAmount1RoundingDown(sqrtPX96, liquidity, amountOut, false) - : getNextSqrtPriceFromAmount0RoundingUp(sqrtPX96, liquidity, amountOut, false); - } - - /// @notice Gets the amount0 delta between two prices - /// @dev Calculates liquidity / sqrt(lower) - liquidity / sqrt(upper), - /// i.e. liquidity * (sqrt(upper) - sqrt(lower)) / (sqrt(upper) * sqrt(lower)) - /// @param sqrtRatioAX96 A sqrt price - /// @param sqrtRatioBX96 Another sqrt price - /// @param liquidity The amount of usable liquidity - /// @param roundUp Whether to round the amount up or down - /// @return amount0 Amount of token0 required to cover a position of size liquidity between the two passed prices - function getAmount0Delta( - uint160 sqrtRatioAX96, - uint160 sqrtRatioBX96, - uint128 liquidity, - bool roundUp - ) internal pure returns (uint256 amount0) { - if (sqrtRatioAX96 > sqrtRatioBX96) (sqrtRatioAX96, sqrtRatioBX96) = (sqrtRatioBX96, sqrtRatioAX96); - - uint256 numerator1 = uint256(liquidity) << FixedPoint96.RESOLUTION; - uint256 numerator2 = sqrtRatioBX96 - sqrtRatioAX96; - - require(sqrtRatioAX96 > 0); - - return - roundUp - ? UnsafeMath.divRoundingUp( - FullMath.mulDivRoundingUp(numerator1, numerator2, sqrtRatioBX96), - sqrtRatioAX96 - ) - : FullMath.mulDiv(numerator1, numerator2, sqrtRatioBX96) / sqrtRatioAX96; - } - - /// @notice Gets the amount1 delta between two prices - /// @dev Calculates liquidity * (sqrt(upper) - sqrt(lower)) - /// @param sqrtRatioAX96 A sqrt price - /// @param sqrtRatioBX96 Another sqrt price - /// @param liquidity The amount of usable liquidity - /// @param roundUp Whether to round the amount up, or down - /// @return amount1 Amount of token1 required to cover a position of size liquidity between the two passed prices - function getAmount1Delta( - uint160 sqrtRatioAX96, - uint160 sqrtRatioBX96, - uint128 liquidity, - bool roundUp - ) internal pure returns (uint256 amount1) { - if (sqrtRatioAX96 > sqrtRatioBX96) (sqrtRatioAX96, sqrtRatioBX96) = (sqrtRatioBX96, sqrtRatioAX96); - - return - roundUp - ? FullMath.mulDivRoundingUp(liquidity, sqrtRatioBX96 - sqrtRatioAX96, FixedPoint96.Q96) - : FullMath.mulDiv(liquidity, sqrtRatioBX96 - sqrtRatioAX96, FixedPoint96.Q96); - } - - /// @notice Helper that gets signed token0 delta - /// @param sqrtRatioAX96 A sqrt price - /// @param sqrtRatioBX96 Another sqrt price - /// @param liquidity The change in liquidity for which to compute the amount0 delta - /// @return amount0 Amount of token0 corresponding to the passed liquidityDelta between the two prices - function getAmount0Delta( - uint160 sqrtRatioAX96, - uint160 sqrtRatioBX96, - int128 liquidity - ) internal pure returns (int256 amount0) { - return - liquidity < 0 - ? -getAmount0Delta(sqrtRatioAX96, sqrtRatioBX96, uint128(-liquidity), false).toInt256() - : getAmount0Delta(sqrtRatioAX96, sqrtRatioBX96, uint128(liquidity), true).toInt256(); - } - - /// @notice Helper that gets signed token1 delta - /// @param sqrtRatioAX96 A sqrt price - /// @param sqrtRatioBX96 Another sqrt price - /// @param liquidity The change in liquidity for which to compute the amount1 delta - /// @return amount1 Amount of token1 corresponding to the passed liquidityDelta between the two prices - function getAmount1Delta( - uint160 sqrtRatioAX96, - uint160 sqrtRatioBX96, - int128 liquidity - ) internal pure returns (int256 amount1) { - return - liquidity < 0 - ? -getAmount1Delta(sqrtRatioAX96, sqrtRatioBX96, uint128(-liquidity), false).toInt256() - : getAmount1Delta(sqrtRatioAX96, sqrtRatioBX96, uint128(liquidity), true).toInt256(); - } -} diff --git a/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/SwapMath.sol b/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/SwapMath.sol deleted file mode 100644 index ee176fbee..000000000 --- a/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/SwapMath.sol +++ /dev/null @@ -1,98 +0,0 @@ -// SPDX-License-Identifier: BUSL-1.1 -pragma solidity >=0.5.0; - -import './FullMath.sol'; -import './SqrtPriceMath.sol'; - -/// @title Computes the result of a swap within ticks -/// @notice Contains methods for computing the result of a swap within a single tick price range, i.e., a single tick. -library SwapMath { - /// @notice Computes the result of swapping some amount in, or amount out, given the parameters of the swap - /// @dev The fee, plus the amount in, will never exceed the amount remaining if the swap's `amountSpecified` is positive - /// @param sqrtRatioCurrentX96 The current sqrt price of the pool - /// @param sqrtRatioTargetX96 The price that cannot be exceeded, from which the direction of the swap is inferred - /// @param liquidity The usable liquidity - /// @param amountRemaining How much input or output amount is remaining to be swapped in/out - /// @param feePips The fee taken from the input amount, expressed in hundredths of a bip - /// @return sqrtRatioNextX96 The price after swapping the amount in/out, not to exceed the price target - /// @return amountIn The amount to be swapped in, of either token0 or token1, based on the direction of the swap - /// @return amountOut The amount to be received, of either token0 or token1, based on the direction of the swap - /// @return feeAmount The amount of input that will be taken as a fee - function computeSwapStep( - uint160 sqrtRatioCurrentX96, - uint160 sqrtRatioTargetX96, - uint128 liquidity, - int256 amountRemaining, - uint24 feePips - ) - internal - pure - returns ( - uint160 sqrtRatioNextX96, - uint256 amountIn, - uint256 amountOut, - uint256 feeAmount - ) - { - bool zeroForOne = sqrtRatioCurrentX96 >= sqrtRatioTargetX96; - bool exactIn = amountRemaining >= 0; - - if (exactIn) { - uint256 amountRemainingLessFee = FullMath.mulDiv(uint256(amountRemaining), 1e6 - feePips, 1e6); - amountIn = zeroForOne - ? SqrtPriceMath.getAmount0Delta(sqrtRatioTargetX96, sqrtRatioCurrentX96, liquidity, true) - : SqrtPriceMath.getAmount1Delta(sqrtRatioCurrentX96, sqrtRatioTargetX96, liquidity, true); - if (amountRemainingLessFee >= amountIn) sqrtRatioNextX96 = sqrtRatioTargetX96; - else - sqrtRatioNextX96 = SqrtPriceMath.getNextSqrtPriceFromInput( - sqrtRatioCurrentX96, - liquidity, - amountRemainingLessFee, - zeroForOne - ); - } else { - amountOut = zeroForOne - ? SqrtPriceMath.getAmount1Delta(sqrtRatioTargetX96, sqrtRatioCurrentX96, liquidity, false) - : SqrtPriceMath.getAmount0Delta(sqrtRatioCurrentX96, sqrtRatioTargetX96, liquidity, false); - if (uint256(-amountRemaining) >= amountOut) sqrtRatioNextX96 = sqrtRatioTargetX96; - else - sqrtRatioNextX96 = SqrtPriceMath.getNextSqrtPriceFromOutput( - sqrtRatioCurrentX96, - liquidity, - uint256(-amountRemaining), - zeroForOne - ); - } - - bool max = sqrtRatioTargetX96 == sqrtRatioNextX96; - - // get the input/output amounts - if (zeroForOne) { - amountIn = max && exactIn - ? amountIn - : SqrtPriceMath.getAmount0Delta(sqrtRatioNextX96, sqrtRatioCurrentX96, liquidity, true); - amountOut = max && !exactIn - ? amountOut - : SqrtPriceMath.getAmount1Delta(sqrtRatioNextX96, sqrtRatioCurrentX96, liquidity, false); - } else { - amountIn = max && exactIn - ? amountIn - : SqrtPriceMath.getAmount1Delta(sqrtRatioCurrentX96, sqrtRatioNextX96, liquidity, true); - amountOut = max && !exactIn - ? amountOut - : SqrtPriceMath.getAmount0Delta(sqrtRatioCurrentX96, sqrtRatioNextX96, liquidity, false); - } - - // cap the output amount to not exceed the remaining output amount - if (!exactIn && amountOut > uint256(-amountRemaining)) { - amountOut = uint256(-amountRemaining); - } - - if (exactIn && sqrtRatioNextX96 != sqrtRatioTargetX96) { - // we didn't reach the target, so take the remainder of the maximum input as fee - feeAmount = uint256(amountRemaining) - amountIn; - } else { - feeAmount = FullMath.mulDivRoundingUp(amountIn, feePips, 1e6 - feePips); - } - } -} diff --git a/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/Tick.sol b/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/Tick.sol deleted file mode 100644 index 13d342849..000000000 --- a/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/Tick.sol +++ /dev/null @@ -1,183 +0,0 @@ -// SPDX-License-Identifier: BUSL-1.1 -pragma solidity >=0.5.0; - -import './LowGasSafeMath.sol'; -import './SafeCast.sol'; - -import './TickMath.sol'; -import './LiquidityMath.sol'; - -/// @title Tick -/// @notice Contains functions for managing tick processes and relevant calculations -library Tick { - using LowGasSafeMath for int256; - using SafeCast for int256; - - // info stored for each initialized individual tick - struct Info { - // the total position liquidity that references this tick - uint128 liquidityGross; - // amount of net liquidity added (subtracted) when tick is crossed from left to right (right to left), - int128 liquidityNet; - // fee growth per unit of liquidity on the _other_ side of this tick (relative to the current tick) - // only has relative meaning, not absolute — the value depends on when the tick is initialized - uint256 feeGrowthOutside0X128; - uint256 feeGrowthOutside1X128; - // the cumulative tick value on the other side of the tick - int56 tickCumulativeOutside; - // the seconds per unit of liquidity on the _other_ side of this tick (relative to the current tick) - // only has relative meaning, not absolute — the value depends on when the tick is initialized - uint160 secondsPerLiquidityOutsideX128; - // the seconds spent on the other side of the tick (relative to the current tick) - // only has relative meaning, not absolute — the value depends on when the tick is initialized - uint32 secondsOutside; - // true iff the tick is initialized, i.e. the value is exactly equivalent to the expression liquidityGross != 0 - // these 8 bits are set to prevent fresh sstores when crossing newly initialized ticks - bool initialized; - } - - /// @notice Derives max liquidity per tick from given tick spacing - /// @dev Executed within the pool constructor - /// @param tickSpacing The amount of required tick separation, realized in multiples of `tickSpacing` - /// e.g., a tickSpacing of 3 requires ticks to be initialized every 3rd tick i.e., ..., -6, -3, 0, 3, 6, ... - /// @return The max liquidity per tick - function tickSpacingToMaxLiquidityPerTick(int24 tickSpacing) internal pure returns (uint128) { - int24 minTick = (TickMath.MIN_TICK / tickSpacing) * tickSpacing; - int24 maxTick = (TickMath.MAX_TICK / tickSpacing) * tickSpacing; - uint24 numTicks = uint24((maxTick - minTick) / tickSpacing) + 1; - return type(uint128).max / numTicks; - } - - /// @notice Retrieves fee growth data - /// @param self The mapping containing all tick information for initialized ticks - /// @param tickLower The lower tick boundary of the position - /// @param tickUpper The upper tick boundary of the position - /// @param tickCurrent The current tick - /// @param feeGrowthGlobal0X128 The all-time global fee growth, per unit of liquidity, in token0 - /// @param feeGrowthGlobal1X128 The all-time global fee growth, per unit of liquidity, in token1 - /// @return feeGrowthInside0X128 The all-time fee growth in token0, per unit of liquidity, inside the position's tick boundaries - /// @return feeGrowthInside1X128 The all-time fee growth in token1, per unit of liquidity, inside the position's tick boundaries - function getFeeGrowthInside( - mapping(int24 => Tick.Info) storage self, - int24 tickLower, - int24 tickUpper, - int24 tickCurrent, - uint256 feeGrowthGlobal0X128, - uint256 feeGrowthGlobal1X128 - ) internal view returns (uint256 feeGrowthInside0X128, uint256 feeGrowthInside1X128) { - Info storage lower = self[tickLower]; - Info storage upper = self[tickUpper]; - - // calculate fee growth below - uint256 feeGrowthBelow0X128; - uint256 feeGrowthBelow1X128; - if (tickCurrent >= tickLower) { - feeGrowthBelow0X128 = lower.feeGrowthOutside0X128; - feeGrowthBelow1X128 = lower.feeGrowthOutside1X128; - } else { - feeGrowthBelow0X128 = feeGrowthGlobal0X128 - lower.feeGrowthOutside0X128; - feeGrowthBelow1X128 = feeGrowthGlobal1X128 - lower.feeGrowthOutside1X128; - } - - // calculate fee growth above - uint256 feeGrowthAbove0X128; - uint256 feeGrowthAbove1X128; - if (tickCurrent < tickUpper) { - feeGrowthAbove0X128 = upper.feeGrowthOutside0X128; - feeGrowthAbove1X128 = upper.feeGrowthOutside1X128; - } else { - feeGrowthAbove0X128 = feeGrowthGlobal0X128 - upper.feeGrowthOutside0X128; - feeGrowthAbove1X128 = feeGrowthGlobal1X128 - upper.feeGrowthOutside1X128; - } - - feeGrowthInside0X128 = feeGrowthGlobal0X128 - feeGrowthBelow0X128 - feeGrowthAbove0X128; - feeGrowthInside1X128 = feeGrowthGlobal1X128 - feeGrowthBelow1X128 - feeGrowthAbove1X128; - } - - /// @notice Updates a tick and returns true if the tick was flipped from initialized to uninitialized, or vice versa - /// @param self The mapping containing all tick information for initialized ticks - /// @param tick The tick that will be updated - /// @param tickCurrent The current tick - /// @param liquidityDelta A new amount of liquidity to be added (subtracted) when tick is crossed from left to right (right to left) - /// @param feeGrowthGlobal0X128 The all-time global fee growth, per unit of liquidity, in token0 - /// @param feeGrowthGlobal1X128 The all-time global fee growth, per unit of liquidity, in token1 - /// @param secondsPerLiquidityCumulativeX128 The all-time seconds per max(1, liquidity) of the pool - /// @param time The current block timestamp cast to a uint32 - /// @param upper true for updating a position's upper tick, or false for updating a position's lower tick - /// @param maxLiquidity The maximum liquidity allocation for a single tick - /// @return flipped Whether the tick was flipped from initialized to uninitialized, or vice versa - function update( - mapping(int24 => Tick.Info) storage self, - int24 tick, - int24 tickCurrent, - int128 liquidityDelta, - uint256 feeGrowthGlobal0X128, - uint256 feeGrowthGlobal1X128, - uint160 secondsPerLiquidityCumulativeX128, - int56 tickCumulative, - uint32 time, - bool upper, - uint128 maxLiquidity - ) internal returns (bool flipped) { - Tick.Info storage info = self[tick]; - - uint128 liquidityGrossBefore = info.liquidityGross; - uint128 liquidityGrossAfter = LiquidityMath.addDelta(liquidityGrossBefore, liquidityDelta); - - require(liquidityGrossAfter <= maxLiquidity, 'LO'); - - flipped = (liquidityGrossAfter == 0) != (liquidityGrossBefore == 0); - - if (liquidityGrossBefore == 0) { - // by convention, we assume that all growth before a tick was initialized happened _below_ the tick - if (tick <= tickCurrent) { - info.feeGrowthOutside0X128 = feeGrowthGlobal0X128; - info.feeGrowthOutside1X128 = feeGrowthGlobal1X128; - info.secondsPerLiquidityOutsideX128 = secondsPerLiquidityCumulativeX128; - info.tickCumulativeOutside = tickCumulative; - info.secondsOutside = time; - } - info.initialized = true; - } - - info.liquidityGross = liquidityGrossAfter; - - // when the lower (upper) tick is crossed left to right (right to left), liquidity must be added (removed) - info.liquidityNet = upper - ? int256(info.liquidityNet).sub(liquidityDelta).toInt128() - : int256(info.liquidityNet).add(liquidityDelta).toInt128(); - } - - /// @notice Clears tick data - /// @param self The mapping containing all initialized tick information for initialized ticks - /// @param tick The tick that will be cleared - function clear(mapping(int24 => Tick.Info) storage self, int24 tick) internal { - delete self[tick]; - } - - /// @notice Transitions to next tick as needed by price movement - /// @param self The mapping containing all tick information for initialized ticks - /// @param tick The destination tick of the transition - /// @param feeGrowthGlobal0X128 The all-time global fee growth, per unit of liquidity, in token0 - /// @param feeGrowthGlobal1X128 The all-time global fee growth, per unit of liquidity, in token1 - /// @param secondsPerLiquidityCumulativeX128 The current seconds per liquidity - /// @param time The current block.timestamp - /// @return liquidityNet The amount of liquidity added (subtracted) when tick is crossed from left to right (right to left) - function cross( - mapping(int24 => Tick.Info) storage self, - int24 tick, - uint256 feeGrowthGlobal0X128, - uint256 feeGrowthGlobal1X128, - uint160 secondsPerLiquidityCumulativeX128, - int56 tickCumulative, - uint32 time - ) internal returns (int128 liquidityNet) { - Tick.Info storage info = self[tick]; - info.feeGrowthOutside0X128 = feeGrowthGlobal0X128 - info.feeGrowthOutside0X128; - info.feeGrowthOutside1X128 = feeGrowthGlobal1X128 - info.feeGrowthOutside1X128; - info.secondsPerLiquidityOutsideX128 = secondsPerLiquidityCumulativeX128 - info.secondsPerLiquidityOutsideX128; - info.tickCumulativeOutside = tickCumulative - info.tickCumulativeOutside; - info.secondsOutside = time - info.secondsOutside; - liquidityNet = info.liquidityNet; - } -} diff --git a/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/TickBitmap.sol b/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/TickBitmap.sol deleted file mode 100644 index 3c4358577..000000000 --- a/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/TickBitmap.sol +++ /dev/null @@ -1,78 +0,0 @@ -// SPDX-License-Identifier: BUSL-1.1 -pragma solidity >=0.5.0; - -import './BitMath.sol'; - -/// @title Packed tick initialized state library -/// @notice Stores a packed mapping of tick index to its initialized state -/// @dev The mapping uses int16 for keys since ticks are represented as int24 and there are 256 (2^8) values per word. -library TickBitmap { - /// @notice Computes the position in the mapping where the initialized bit for a tick lives - /// @param tick The tick for which to compute the position - /// @return wordPos The key in the mapping containing the word in which the bit is stored - /// @return bitPos The bit position in the word where the flag is stored - function position(int24 tick) private pure returns (int16 wordPos, uint8 bitPos) { - wordPos = int16(tick >> 8); - bitPos = uint8(tick % 256); - } - - /// @notice Flips the initialized state for a given tick from false to true, or vice versa - /// @param self The mapping in which to flip the tick - /// @param tick The tick to flip - /// @param tickSpacing The spacing between usable ticks - function flipTick( - mapping(int16 => uint256) storage self, - int24 tick, - int24 tickSpacing - ) internal { - require(tick % tickSpacing == 0); // ensure that the tick is spaced - (int16 wordPos, uint8 bitPos) = position(tick / tickSpacing); - uint256 mask = 1 << bitPos; - self[wordPos] ^= mask; - } - - /// @notice Returns the next initialized tick contained in the same word (or adjacent word) as the tick that is either - /// to the left (less than or equal to) or right (greater than) of the given tick - /// @param self The mapping in which to compute the next initialized tick - /// @param tick The starting tick - /// @param tickSpacing The spacing between usable ticks - /// @param lte Whether to search for the next initialized tick to the left (less than or equal to the starting tick) - /// @return next The next initialized or uninitialized tick up to 256 ticks away from the current tick - /// @return initialized Whether the next tick is initialized, as the function only searches within up to 256 ticks - function nextInitializedTickWithinOneWord( - mapping(int16 => uint256) storage self, - int24 tick, - int24 tickSpacing, - bool lte - ) internal view returns (int24 next, bool initialized) { - int24 compressed = tick / tickSpacing; - if (tick < 0 && tick % tickSpacing != 0) compressed--; // round towards negative infinity - - if (lte) { - (int16 wordPos, uint8 bitPos) = position(compressed); - // all the 1s at or to the right of the current bitPos - uint256 mask = (1 << bitPos) - 1 + (1 << bitPos); - uint256 masked = self[wordPos] & mask; - - // if there are no initialized ticks to the right of or at the current tick, return rightmost in the word - initialized = masked != 0; - // overflow/underflow is possible, but prevented externally by limiting both tickSpacing and tick - next = initialized - ? (compressed - int24(bitPos - BitMath.mostSignificantBit(masked))) * tickSpacing - : (compressed - int24(bitPos)) * tickSpacing; - } else { - // start from the word of the next tick, since the current tick state doesn't matter - (int16 wordPos, uint8 bitPos) = position(compressed + 1); - // all the 1s at or to the left of the bitPos - uint256 mask = ~((1 << bitPos) - 1); - uint256 masked = self[wordPos] & mask; - - // if there are no initialized ticks to the left of the current tick, return leftmost in the word - initialized = masked != 0; - // overflow/underflow is possible, but prevented externally by limiting both tickSpacing and tick - next = initialized - ? (compressed + 1 + int24(BitMath.leastSignificantBit(masked) - bitPos)) * tickSpacing - : (compressed + 1 + int24(type(uint8).max - bitPos)) * tickSpacing; - } - } -} diff --git a/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/TickMath.sol b/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/TickMath.sol deleted file mode 100644 index 378e44528..000000000 --- a/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/TickMath.sol +++ /dev/null @@ -1,205 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-or-later -pragma solidity >=0.5.0; - -/// @title Math library for computing sqrt prices from ticks and vice versa -/// @notice Computes sqrt price for ticks of size 1.0001, i.e. sqrt(1.0001^tick) as fixed point Q64.96 numbers. Supports -/// prices between 2**-128 and 2**128 -library TickMath { - /// @dev The minimum tick that may be passed to #getSqrtRatioAtTick computed from log base 1.0001 of 2**-128 - int24 internal constant MIN_TICK = -887272; - /// @dev The maximum tick that may be passed to #getSqrtRatioAtTick computed from log base 1.0001 of 2**128 - int24 internal constant MAX_TICK = -MIN_TICK; - - /// @dev The minimum value that can be returned from #getSqrtRatioAtTick. Equivalent to getSqrtRatioAtTick(MIN_TICK) - uint160 internal constant MIN_SQRT_RATIO = 4295128739; - /// @dev The maximum value that can be returned from #getSqrtRatioAtTick. Equivalent to getSqrtRatioAtTick(MAX_TICK) - uint160 internal constant MAX_SQRT_RATIO = 1461446703485210103287273052203988822378723970342; - - /// @notice Calculates sqrt(1.0001^tick) * 2^96 - /// @dev Throws if |tick| > max tick - /// @param tick The input tick for the above formula - /// @return sqrtPriceX96 A Fixed point Q64.96 number representing the sqrt of the ratio of the two assets (token1/token0) - /// at the given tick - function getSqrtRatioAtTick(int24 tick) internal pure returns (uint160 sqrtPriceX96) { - uint256 absTick = tick < 0 ? uint256(-int256(tick)) : uint256(int256(tick)); - require(absTick <= uint256(MAX_TICK), 'T'); - - uint256 ratio = absTick & 0x1 != 0 ? 0xfffcb933bd6fad37aa2d162d1a594001 : 0x100000000000000000000000000000000; - if (absTick & 0x2 != 0) ratio = (ratio * 0xfff97272373d413259a46990580e213a) >> 128; - if (absTick & 0x4 != 0) ratio = (ratio * 0xfff2e50f5f656932ef12357cf3c7fdcc) >> 128; - if (absTick & 0x8 != 0) ratio = (ratio * 0xffe5caca7e10e4e61c3624eaa0941cd0) >> 128; - if (absTick & 0x10 != 0) ratio = (ratio * 0xffcb9843d60f6159c9db58835c926644) >> 128; - if (absTick & 0x20 != 0) ratio = (ratio * 0xff973b41fa98c081472e6896dfb254c0) >> 128; - if (absTick & 0x40 != 0) ratio = (ratio * 0xff2ea16466c96a3843ec78b326b52861) >> 128; - if (absTick & 0x80 != 0) ratio = (ratio * 0xfe5dee046a99a2a811c461f1969c3053) >> 128; - if (absTick & 0x100 != 0) ratio = (ratio * 0xfcbe86c7900a88aedcffc83b479aa3a4) >> 128; - if (absTick & 0x200 != 0) ratio = (ratio * 0xf987a7253ac413176f2b074cf7815e54) >> 128; - if (absTick & 0x400 != 0) ratio = (ratio * 0xf3392b0822b70005940c7a398e4b70f3) >> 128; - if (absTick & 0x800 != 0) ratio = (ratio * 0xe7159475a2c29b7443b29c7fa6e889d9) >> 128; - if (absTick & 0x1000 != 0) ratio = (ratio * 0xd097f3bdfd2022b8845ad8f792aa5825) >> 128; - if (absTick & 0x2000 != 0) ratio = (ratio * 0xa9f746462d870fdf8a65dc1f90e061e5) >> 128; - if (absTick & 0x4000 != 0) ratio = (ratio * 0x70d869a156d2a1b890bb3df62baf32f7) >> 128; - if (absTick & 0x8000 != 0) ratio = (ratio * 0x31be135f97d08fd981231505542fcfa6) >> 128; - if (absTick & 0x10000 != 0) ratio = (ratio * 0x9aa508b5b7a84e1c677de54f3e99bc9) >> 128; - if (absTick & 0x20000 != 0) ratio = (ratio * 0x5d6af8dedb81196699c329225ee604) >> 128; - if (absTick & 0x40000 != 0) ratio = (ratio * 0x2216e584f5fa1ea926041bedfe98) >> 128; - if (absTick & 0x80000 != 0) ratio = (ratio * 0x48a170391f7dc42444e8fa2) >> 128; - - if (tick > 0) ratio = type(uint256).max / ratio; - - // this divides by 1<<32 rounding up to go from a Q128.128 to a Q128.96. - // we then downcast because we know the result always fits within 160 bits due to our tick input constraint - // we round up in the division so getTickAtSqrtRatio of the output price is always consistent - sqrtPriceX96 = uint160((ratio >> 32) + (ratio % (1 << 32) == 0 ? 0 : 1)); - } - - /// @notice Calculates the greatest tick value such that getRatioAtTick(tick) <= ratio - /// @dev Throws in case sqrtPriceX96 < MIN_SQRT_RATIO, as MIN_SQRT_RATIO is the lowest value getRatioAtTick may - /// ever return. - /// @param sqrtPriceX96 The sqrt ratio for which to compute the tick as a Q64.96 - /// @return tick The greatest tick for which the ratio is less than or equal to the input ratio - function getTickAtSqrtRatio(uint160 sqrtPriceX96) internal pure returns (int24 tick) { - // second inequality must be < because the price can never reach the price at the max tick - require(sqrtPriceX96 >= MIN_SQRT_RATIO && sqrtPriceX96 < MAX_SQRT_RATIO, 'R'); - uint256 ratio = uint256(sqrtPriceX96) << 32; - - uint256 r = ratio; - uint256 msb = 0; - - assembly { - let f := shl(7, gt(r, 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF)) - msb := or(msb, f) - r := shr(f, r) - } - assembly { - let f := shl(6, gt(r, 0xFFFFFFFFFFFFFFFF)) - msb := or(msb, f) - r := shr(f, r) - } - assembly { - let f := shl(5, gt(r, 0xFFFFFFFF)) - msb := or(msb, f) - r := shr(f, r) - } - assembly { - let f := shl(4, gt(r, 0xFFFF)) - msb := or(msb, f) - r := shr(f, r) - } - assembly { - let f := shl(3, gt(r, 0xFF)) - msb := or(msb, f) - r := shr(f, r) - } - assembly { - let f := shl(2, gt(r, 0xF)) - msb := or(msb, f) - r := shr(f, r) - } - assembly { - let f := shl(1, gt(r, 0x3)) - msb := or(msb, f) - r := shr(f, r) - } - assembly { - let f := gt(r, 0x1) - msb := or(msb, f) - } - - if (msb >= 128) r = ratio >> (msb - 127); - else r = ratio << (127 - msb); - - int256 log_2 = (int256(msb) - 128) << 64; - - assembly { - r := shr(127, mul(r, r)) - let f := shr(128, r) - log_2 := or(log_2, shl(63, f)) - r := shr(f, r) - } - assembly { - r := shr(127, mul(r, r)) - let f := shr(128, r) - log_2 := or(log_2, shl(62, f)) - r := shr(f, r) - } - assembly { - r := shr(127, mul(r, r)) - let f := shr(128, r) - log_2 := or(log_2, shl(61, f)) - r := shr(f, r) - } - assembly { - r := shr(127, mul(r, r)) - let f := shr(128, r) - log_2 := or(log_2, shl(60, f)) - r := shr(f, r) - } - assembly { - r := shr(127, mul(r, r)) - let f := shr(128, r) - log_2 := or(log_2, shl(59, f)) - r := shr(f, r) - } - assembly { - r := shr(127, mul(r, r)) - let f := shr(128, r) - log_2 := or(log_2, shl(58, f)) - r := shr(f, r) - } - assembly { - r := shr(127, mul(r, r)) - let f := shr(128, r) - log_2 := or(log_2, shl(57, f)) - r := shr(f, r) - } - assembly { - r := shr(127, mul(r, r)) - let f := shr(128, r) - log_2 := or(log_2, shl(56, f)) - r := shr(f, r) - } - assembly { - r := shr(127, mul(r, r)) - let f := shr(128, r) - log_2 := or(log_2, shl(55, f)) - r := shr(f, r) - } - assembly { - r := shr(127, mul(r, r)) - let f := shr(128, r) - log_2 := or(log_2, shl(54, f)) - r := shr(f, r) - } - assembly { - r := shr(127, mul(r, r)) - let f := shr(128, r) - log_2 := or(log_2, shl(53, f)) - r := shr(f, r) - } - assembly { - r := shr(127, mul(r, r)) - let f := shr(128, r) - log_2 := or(log_2, shl(52, f)) - r := shr(f, r) - } - assembly { - r := shr(127, mul(r, r)) - let f := shr(128, r) - log_2 := or(log_2, shl(51, f)) - r := shr(f, r) - } - assembly { - r := shr(127, mul(r, r)) - let f := shr(128, r) - log_2 := or(log_2, shl(50, f)) - } - - int256 log_sqrt10001 = log_2 * 255738958999603826347141; // 128.128 number - - int24 tickLow = int24((log_sqrt10001 - 3402992956809132418596140100660247210) >> 128); - int24 tickHi = int24((log_sqrt10001 + 291339464771989622907027621153398088495) >> 128); - - tick = tickLow == tickHi ? tickLow : getSqrtRatioAtTick(tickHi) <= sqrtPriceX96 ? tickHi : tickLow; - } -} diff --git a/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/TransferHelper.sol b/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/TransferHelper.sol deleted file mode 100644 index 25d630902..000000000 --- a/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/TransferHelper.sol +++ /dev/null @@ -1,23 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-or-later -pragma solidity >=0.6.0; - -import '../interfaces/IERC20Minimal.sol'; - -/// @title TransferHelper -/// @notice Contains helper methods for interacting with ERC20 tokens that do not consistently return true/false -library TransferHelper { - /// @notice Transfers tokens from msg.sender to a recipient - /// @dev Calls transfer on token contract, errors with TF if transfer fails - /// @param token The contract address of the token which will be transferred - /// @param to The recipient of the transfer - /// @param value The value of the transfer - function safeTransfer( - address token, - address to, - uint256 value - ) internal { - (bool success, bytes memory data) = - token.call(abi.encodeWithSelector(IERC20Minimal.transfer.selector, to, value)); - require(success && (data.length == 0 || abi.decode(data, (bool))), 'TF'); - } -} diff --git a/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/UnsafeMath.sol b/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/UnsafeMath.sol deleted file mode 100644 index f62f84676..000000000 --- a/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/UnsafeMath.sol +++ /dev/null @@ -1,17 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-or-later -pragma solidity >=0.5.0; - -/// @title Math functions that do not check inputs or outputs -/// @notice Contains methods that perform common math functions but do not do any overflow or underflow checks -library UnsafeMath { - /// @notice Returns ceil(x / y) - /// @dev division by 0 has unspecified behavior, and must be checked externally - /// @param x The dividend - /// @param y The divisor - /// @return z The quotient, ceil(x / y) - function divRoundingUp(uint256 x, uint256 y) internal pure returns (uint256 z) { - assembly { - z := add(div(x, y), gt(mod(x, y), 0)) - } - } -} From d4b8ff011e71ecbc1388130f16075e45fa20dbd8 Mon Sep 17 00:00:00 2001 From: noxx Date: Sun, 17 Jul 2022 21:05:55 +0100 Subject: [PATCH 4/9] update the array name output in the table to include index --- .../contracts/NoDelegateCall.sol | 27 + .../contracts/UniswapV3Pool.sol | 869 ++++++++++++++++++ .../contracts/interfaces/IERC20Minimal.sol | 52 ++ .../interfaces/IUniswapV3Factory.sol | 78 ++ .../contracts/interfaces/IUniswapV3Pool.sol | 24 + .../interfaces/IUniswapV3PoolDeployer.sol | 26 + .../callback/IUniswapV3FlashCallback.sol | 18 + .../callback/IUniswapV3MintCallback.sol | 18 + .../callback/IUniswapV3SwapCallback.sol | 21 + .../interfaces/pool/IUniswapV3PoolActions.sol | 103 +++ .../pool/IUniswapV3PoolDerivedState.sol | 40 + .../interfaces/pool/IUniswapV3PoolEvents.sol | 121 +++ .../pool/IUniswapV3PoolImmutables.sol | 35 + .../pool/IUniswapV3PoolOwnerActions.sol | 23 + .../interfaces/pool/IUniswapV3PoolState.sol | 116 +++ .../contracts/libraries/BitMath.sol | 94 ++ .../contracts/libraries/FixedPoint128.sol | 8 + .../contracts/libraries/FixedPoint96.sol | 10 + .../contracts/libraries/FullMath.sol | 124 +++ .../contracts/libraries/LiquidityMath.sol | 17 + .../contracts/libraries/LowGasSafeMath.sol | 46 + .../contracts/libraries/Oracle.sol | 325 +++++++ .../contracts/libraries/Position.sol | 88 ++ .../contracts/libraries/SafeCast.sol | 28 + .../contracts/libraries/SqrtPriceMath.sol | 227 +++++ .../contracts/libraries/SwapMath.sol | 98 ++ .../contracts/libraries/Tick.sol | 183 ++++ .../contracts/libraries/TickBitmap.sol | 78 ++ .../contracts/libraries/TickMath.sol | 205 +++++ .../contracts/libraries/TransferHelper.sol | 23 + .../contracts/libraries/UnsafeMath.sol | 17 + slither/tools/read_storage/read_storage.py | 2 +- 32 files changed, 3143 insertions(+), 1 deletion(-) create mode 100644 crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/NoDelegateCall.sol create mode 100644 crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/UniswapV3Pool.sol create mode 100644 crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/IERC20Minimal.sol create mode 100644 crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/IUniswapV3Factory.sol create mode 100644 crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/IUniswapV3Pool.sol create mode 100644 crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/IUniswapV3PoolDeployer.sol create mode 100644 crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/callback/IUniswapV3FlashCallback.sol create mode 100644 crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/callback/IUniswapV3MintCallback.sol create mode 100644 crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/callback/IUniswapV3SwapCallback.sol create mode 100644 crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/pool/IUniswapV3PoolActions.sol create mode 100644 crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/pool/IUniswapV3PoolDerivedState.sol create mode 100644 crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/pool/IUniswapV3PoolEvents.sol create mode 100644 crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/pool/IUniswapV3PoolImmutables.sol create mode 100644 crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/pool/IUniswapV3PoolOwnerActions.sol create mode 100644 crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/pool/IUniswapV3PoolState.sol create mode 100644 crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/BitMath.sol create mode 100644 crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/FixedPoint128.sol create mode 100644 crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/FixedPoint96.sol create mode 100644 crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/FullMath.sol create mode 100644 crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/LiquidityMath.sol create mode 100644 crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/LowGasSafeMath.sol create mode 100644 crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/Oracle.sol create mode 100644 crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/Position.sol create mode 100644 crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/SafeCast.sol create mode 100644 crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/SqrtPriceMath.sol create mode 100644 crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/SwapMath.sol create mode 100644 crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/Tick.sol create mode 100644 crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/TickBitmap.sol create mode 100644 crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/TickMath.sol create mode 100644 crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/TransferHelper.sol create mode 100644 crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/UnsafeMath.sol diff --git a/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/NoDelegateCall.sol b/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/NoDelegateCall.sol new file mode 100644 index 000000000..5411979dc --- /dev/null +++ b/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/NoDelegateCall.sol @@ -0,0 +1,27 @@ +// SPDX-License-Identifier: BUSL-1.1 +pragma solidity =0.7.6; + +/// @title Prevents delegatecall to a contract +/// @notice Base contract that provides a modifier for preventing delegatecall to methods in a child contract +abstract contract NoDelegateCall { + /// @dev The original address of this contract + address private immutable original; + + constructor() { + // Immutables are computed in the init code of the contract, and then inlined into the deployed bytecode. + // In other words, this variable won't change when it's checked at runtime. + original = address(this); + } + + /// @dev Private method is used instead of inlining into modifier because modifiers are copied into each method, + /// and the use of immutable means the address bytes are copied in every place the modifier is used. + function checkNotDelegateCall() private view { + require(address(this) == original); + } + + /// @notice Prevents delegatecall into the modified method + modifier noDelegateCall() { + checkNotDelegateCall(); + _; + } +} diff --git a/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/UniswapV3Pool.sol b/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/UniswapV3Pool.sol new file mode 100644 index 000000000..9e0982127 --- /dev/null +++ b/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/UniswapV3Pool.sol @@ -0,0 +1,869 @@ +// SPDX-License-Identifier: BUSL-1.1 +pragma solidity =0.7.6; + +import './interfaces/IUniswapV3Pool.sol'; + +import './NoDelegateCall.sol'; + +import './libraries/LowGasSafeMath.sol'; +import './libraries/SafeCast.sol'; +import './libraries/Tick.sol'; +import './libraries/TickBitmap.sol'; +import './libraries/Position.sol'; +import './libraries/Oracle.sol'; + +import './libraries/FullMath.sol'; +import './libraries/FixedPoint128.sol'; +import './libraries/TransferHelper.sol'; +import './libraries/TickMath.sol'; +import './libraries/LiquidityMath.sol'; +import './libraries/SqrtPriceMath.sol'; +import './libraries/SwapMath.sol'; + +import './interfaces/IUniswapV3PoolDeployer.sol'; +import './interfaces/IUniswapV3Factory.sol'; +import './interfaces/IERC20Minimal.sol'; +import './interfaces/callback/IUniswapV3MintCallback.sol'; +import './interfaces/callback/IUniswapV3SwapCallback.sol'; +import './interfaces/callback/IUniswapV3FlashCallback.sol'; + +contract UniswapV3Pool is IUniswapV3Pool, NoDelegateCall { + using LowGasSafeMath for uint256; + using LowGasSafeMath for int256; + using SafeCast for uint256; + using SafeCast for int256; + using Tick for mapping(int24 => Tick.Info); + using TickBitmap for mapping(int16 => uint256); + using Position for mapping(bytes32 => Position.Info); + using Position for Position.Info; + using Oracle for Oracle.Observation[65535]; + + /// @inheritdoc IUniswapV3PoolImmutables + address public immutable override factory; + /// @inheritdoc IUniswapV3PoolImmutables + address public immutable override token0; + /// @inheritdoc IUniswapV3PoolImmutables + address public immutable override token1; + /// @inheritdoc IUniswapV3PoolImmutables + uint24 public immutable override fee; + + /// @inheritdoc IUniswapV3PoolImmutables + int24 public immutable override tickSpacing; + + /// @inheritdoc IUniswapV3PoolImmutables + uint128 public immutable override maxLiquidityPerTick; + + struct Slot0 { + // the current price + uint160 sqrtPriceX96; + // the current tick + int24 tick; + // the most-recently updated index of the observations array + uint16 observationIndex; + // the current maximum number of observations that are being stored + uint16 observationCardinality; + // the next maximum number of observations to store, triggered in observations.write + uint16 observationCardinalityNext; + // the current protocol fee as a percentage of the swap fee taken on withdrawal + // represented as an integer denominator (1/x)% + uint8 feeProtocol; + // whether the pool is locked + bool unlocked; + } + /// @inheritdoc IUniswapV3PoolState + Slot0 public override slot0; + + /// @inheritdoc IUniswapV3PoolState + uint256 public override feeGrowthGlobal0X128; + /// @inheritdoc IUniswapV3PoolState + uint256 public override feeGrowthGlobal1X128; + + // accumulated protocol fees in token0/token1 units + struct ProtocolFees { + uint128 token0; + uint128 token1; + } + /// @inheritdoc IUniswapV3PoolState + ProtocolFees public override protocolFees; + + /// @inheritdoc IUniswapV3PoolState + uint128 public override liquidity; + + /// @inheritdoc IUniswapV3PoolState + mapping(int24 => Tick.Info) public override ticks; + /// @inheritdoc IUniswapV3PoolState + mapping(int16 => uint256) public override tickBitmap; + /// @inheritdoc IUniswapV3PoolState + mapping(bytes32 => Position.Info) public override positions; + /// @inheritdoc IUniswapV3PoolState + Oracle.Observation[65535] public override observations; + + /// @dev Mutually exclusive reentrancy protection into the pool to/from a method. This method also prevents entrance + /// to a function before the pool is initialized. The reentrancy guard is required throughout the contract because + /// we use balance checks to determine the payment status of interactions such as mint, swap and flash. + modifier lock() { + require(slot0.unlocked, 'LOK'); + slot0.unlocked = false; + _; + slot0.unlocked = true; + } + + /// @dev Prevents calling a function from anyone except the address returned by IUniswapV3Factory#owner() + modifier onlyFactoryOwner() { + require(msg.sender == IUniswapV3Factory(factory).owner()); + _; + } + + constructor() { + int24 _tickSpacing; + (factory, token0, token1, fee, _tickSpacing) = IUniswapV3PoolDeployer(msg.sender).parameters(); + tickSpacing = _tickSpacing; + + maxLiquidityPerTick = Tick.tickSpacingToMaxLiquidityPerTick(_tickSpacing); + } + + /// @dev Common checks for valid tick inputs. + function checkTicks(int24 tickLower, int24 tickUpper) private pure { + require(tickLower < tickUpper, 'TLU'); + require(tickLower >= TickMath.MIN_TICK, 'TLM'); + require(tickUpper <= TickMath.MAX_TICK, 'TUM'); + } + + /// @dev Returns the block timestamp truncated to 32 bits, i.e. mod 2**32. This method is overridden in tests. + function _blockTimestamp() internal view virtual returns (uint32) { + return uint32(block.timestamp); // truncation is desired + } + + /// @dev Get the pool's balance of token0 + /// @dev This function is gas optimized to avoid a redundant extcodesize check in addition to the returndatasize + /// check + function balance0() private view returns (uint256) { + (bool success, bytes memory data) = + token0.staticcall(abi.encodeWithSelector(IERC20Minimal.balanceOf.selector, address(this))); + require(success && data.length >= 32); + return abi.decode(data, (uint256)); + } + + /// @dev Get the pool's balance of token1 + /// @dev This function is gas optimized to avoid a redundant extcodesize check in addition to the returndatasize + /// check + function balance1() private view returns (uint256) { + (bool success, bytes memory data) = + token1.staticcall(abi.encodeWithSelector(IERC20Minimal.balanceOf.selector, address(this))); + require(success && data.length >= 32); + return abi.decode(data, (uint256)); + } + + /// @inheritdoc IUniswapV3PoolDerivedState + function snapshotCumulativesInside(int24 tickLower, int24 tickUpper) + external + view + override + noDelegateCall + returns ( + int56 tickCumulativeInside, + uint160 secondsPerLiquidityInsideX128, + uint32 secondsInside + ) + { + checkTicks(tickLower, tickUpper); + + int56 tickCumulativeLower; + int56 tickCumulativeUpper; + uint160 secondsPerLiquidityOutsideLowerX128; + uint160 secondsPerLiquidityOutsideUpperX128; + uint32 secondsOutsideLower; + uint32 secondsOutsideUpper; + + { + Tick.Info storage lower = ticks[tickLower]; + Tick.Info storage upper = ticks[tickUpper]; + bool initializedLower; + (tickCumulativeLower, secondsPerLiquidityOutsideLowerX128, secondsOutsideLower, initializedLower) = ( + lower.tickCumulativeOutside, + lower.secondsPerLiquidityOutsideX128, + lower.secondsOutside, + lower.initialized + ); + require(initializedLower); + + bool initializedUpper; + (tickCumulativeUpper, secondsPerLiquidityOutsideUpperX128, secondsOutsideUpper, initializedUpper) = ( + upper.tickCumulativeOutside, + upper.secondsPerLiquidityOutsideX128, + upper.secondsOutside, + upper.initialized + ); + require(initializedUpper); + } + + Slot0 memory _slot0 = slot0; + + if (_slot0.tick < tickLower) { + return ( + tickCumulativeLower - tickCumulativeUpper, + secondsPerLiquidityOutsideLowerX128 - secondsPerLiquidityOutsideUpperX128, + secondsOutsideLower - secondsOutsideUpper + ); + } else if (_slot0.tick < tickUpper) { + uint32 time = _blockTimestamp(); + (int56 tickCumulative, uint160 secondsPerLiquidityCumulativeX128) = + observations.observeSingle( + time, + 0, + _slot0.tick, + _slot0.observationIndex, + liquidity, + _slot0.observationCardinality + ); + return ( + tickCumulative - tickCumulativeLower - tickCumulativeUpper, + secondsPerLiquidityCumulativeX128 - + secondsPerLiquidityOutsideLowerX128 - + secondsPerLiquidityOutsideUpperX128, + time - secondsOutsideLower - secondsOutsideUpper + ); + } else { + return ( + tickCumulativeUpper - tickCumulativeLower, + secondsPerLiquidityOutsideUpperX128 - secondsPerLiquidityOutsideLowerX128, + secondsOutsideUpper - secondsOutsideLower + ); + } + } + + /// @inheritdoc IUniswapV3PoolDerivedState + function observe(uint32[] calldata secondsAgos) + external + view + override + noDelegateCall + returns (int56[] memory tickCumulatives, uint160[] memory secondsPerLiquidityCumulativeX128s) + { + return + observations.observe( + _blockTimestamp(), + secondsAgos, + slot0.tick, + slot0.observationIndex, + liquidity, + slot0.observationCardinality + ); + } + + /// @inheritdoc IUniswapV3PoolActions + function increaseObservationCardinalityNext(uint16 observationCardinalityNext) + external + override + lock + noDelegateCall + { + uint16 observationCardinalityNextOld = slot0.observationCardinalityNext; // for the event + uint16 observationCardinalityNextNew = + observations.grow(observationCardinalityNextOld, observationCardinalityNext); + slot0.observationCardinalityNext = observationCardinalityNextNew; + if (observationCardinalityNextOld != observationCardinalityNextNew) + emit IncreaseObservationCardinalityNext(observationCardinalityNextOld, observationCardinalityNextNew); + } + + /// @inheritdoc IUniswapV3PoolActions + /// @dev not locked because it initializes unlocked + function initialize(uint160 sqrtPriceX96) external override { + require(slot0.sqrtPriceX96 == 0, 'AI'); + + int24 tick = TickMath.getTickAtSqrtRatio(sqrtPriceX96); + + (uint16 cardinality, uint16 cardinalityNext) = observations.initialize(_blockTimestamp()); + + slot0 = Slot0({ + sqrtPriceX96: sqrtPriceX96, + tick: tick, + observationIndex: 0, + observationCardinality: cardinality, + observationCardinalityNext: cardinalityNext, + feeProtocol: 0, + unlocked: true + }); + + emit Initialize(sqrtPriceX96, tick); + } + + struct ModifyPositionParams { + // the address that owns the position + address owner; + // the lower and upper tick of the position + int24 tickLower; + int24 tickUpper; + // any change in liquidity + int128 liquidityDelta; + } + + /// @dev Effect some changes to a position + /// @param params the position details and the change to the position's liquidity to effect + /// @return position a storage pointer referencing the position with the given owner and tick range + /// @return amount0 the amount of token0 owed to the pool, negative if the pool should pay the recipient + /// @return amount1 the amount of token1 owed to the pool, negative if the pool should pay the recipient + function _modifyPosition(ModifyPositionParams memory params) + private + noDelegateCall + returns ( + Position.Info storage position, + int256 amount0, + int256 amount1 + ) + { + checkTicks(params.tickLower, params.tickUpper); + + Slot0 memory _slot0 = slot0; // SLOAD for gas optimization + + position = _updatePosition( + params.owner, + params.tickLower, + params.tickUpper, + params.liquidityDelta, + _slot0.tick + ); + + if (params.liquidityDelta != 0) { + if (_slot0.tick < params.tickLower) { + // current tick is below the passed range; liquidity can only become in range by crossing from left to + // right, when we'll need _more_ token0 (it's becoming more valuable) so user must provide it + amount0 = SqrtPriceMath.getAmount0Delta( + TickMath.getSqrtRatioAtTick(params.tickLower), + TickMath.getSqrtRatioAtTick(params.tickUpper), + params.liquidityDelta + ); + } else if (_slot0.tick < params.tickUpper) { + // current tick is inside the passed range + uint128 liquidityBefore = liquidity; // SLOAD for gas optimization + + // write an oracle entry + (slot0.observationIndex, slot0.observationCardinality) = observations.write( + _slot0.observationIndex, + _blockTimestamp(), + _slot0.tick, + liquidityBefore, + _slot0.observationCardinality, + _slot0.observationCardinalityNext + ); + + amount0 = SqrtPriceMath.getAmount0Delta( + _slot0.sqrtPriceX96, + TickMath.getSqrtRatioAtTick(params.tickUpper), + params.liquidityDelta + ); + amount1 = SqrtPriceMath.getAmount1Delta( + TickMath.getSqrtRatioAtTick(params.tickLower), + _slot0.sqrtPriceX96, + params.liquidityDelta + ); + + liquidity = LiquidityMath.addDelta(liquidityBefore, params.liquidityDelta); + } else { + // current tick is above the passed range; liquidity can only become in range by crossing from right to + // left, when we'll need _more_ token1 (it's becoming more valuable) so user must provide it + amount1 = SqrtPriceMath.getAmount1Delta( + TickMath.getSqrtRatioAtTick(params.tickLower), + TickMath.getSqrtRatioAtTick(params.tickUpper), + params.liquidityDelta + ); + } + } + } + + /// @dev Gets and updates a position with the given liquidity delta + /// @param owner the owner of the position + /// @param tickLower the lower tick of the position's tick range + /// @param tickUpper the upper tick of the position's tick range + /// @param tick the current tick, passed to avoid sloads + function _updatePosition( + address owner, + int24 tickLower, + int24 tickUpper, + int128 liquidityDelta, + int24 tick + ) private returns (Position.Info storage position) { + position = positions.get(owner, tickLower, tickUpper); + + uint256 _feeGrowthGlobal0X128 = feeGrowthGlobal0X128; // SLOAD for gas optimization + uint256 _feeGrowthGlobal1X128 = feeGrowthGlobal1X128; // SLOAD for gas optimization + + // if we need to update the ticks, do it + bool flippedLower; + bool flippedUpper; + if (liquidityDelta != 0) { + uint32 time = _blockTimestamp(); + (int56 tickCumulative, uint160 secondsPerLiquidityCumulativeX128) = + observations.observeSingle( + time, + 0, + slot0.tick, + slot0.observationIndex, + liquidity, + slot0.observationCardinality + ); + + flippedLower = ticks.update( + tickLower, + tick, + liquidityDelta, + _feeGrowthGlobal0X128, + _feeGrowthGlobal1X128, + secondsPerLiquidityCumulativeX128, + tickCumulative, + time, + false, + maxLiquidityPerTick + ); + flippedUpper = ticks.update( + tickUpper, + tick, + liquidityDelta, + _feeGrowthGlobal0X128, + _feeGrowthGlobal1X128, + secondsPerLiquidityCumulativeX128, + tickCumulative, + time, + true, + maxLiquidityPerTick + ); + + if (flippedLower) { + tickBitmap.flipTick(tickLower, tickSpacing); + } + if (flippedUpper) { + tickBitmap.flipTick(tickUpper, tickSpacing); + } + } + + (uint256 feeGrowthInside0X128, uint256 feeGrowthInside1X128) = + ticks.getFeeGrowthInside(tickLower, tickUpper, tick, _feeGrowthGlobal0X128, _feeGrowthGlobal1X128); + + position.update(liquidityDelta, feeGrowthInside0X128, feeGrowthInside1X128); + + // clear any tick data that is no longer needed + if (liquidityDelta < 0) { + if (flippedLower) { + ticks.clear(tickLower); + } + if (flippedUpper) { + ticks.clear(tickUpper); + } + } + } + + /// @inheritdoc IUniswapV3PoolActions + /// @dev noDelegateCall is applied indirectly via _modifyPosition + function mint( + address recipient, + int24 tickLower, + int24 tickUpper, + uint128 amount, + bytes calldata data + ) external override lock returns (uint256 amount0, uint256 amount1) { + require(amount > 0); + (, int256 amount0Int, int256 amount1Int) = + _modifyPosition( + ModifyPositionParams({ + owner: recipient, + tickLower: tickLower, + tickUpper: tickUpper, + liquidityDelta: int256(amount).toInt128() + }) + ); + + amount0 = uint256(amount0Int); + amount1 = uint256(amount1Int); + + uint256 balance0Before; + uint256 balance1Before; + if (amount0 > 0) balance0Before = balance0(); + if (amount1 > 0) balance1Before = balance1(); + IUniswapV3MintCallback(msg.sender).uniswapV3MintCallback(amount0, amount1, data); + if (amount0 > 0) require(balance0Before.add(amount0) <= balance0(), 'M0'); + if (amount1 > 0) require(balance1Before.add(amount1) <= balance1(), 'M1'); + + emit Mint(msg.sender, recipient, tickLower, tickUpper, amount, amount0, amount1); + } + + /// @inheritdoc IUniswapV3PoolActions + function collect( + address recipient, + int24 tickLower, + int24 tickUpper, + uint128 amount0Requested, + uint128 amount1Requested + ) external override lock returns (uint128 amount0, uint128 amount1) { + // we don't need to checkTicks here, because invalid positions will never have non-zero tokensOwed{0,1} + Position.Info storage position = positions.get(msg.sender, tickLower, tickUpper); + + amount0 = amount0Requested > position.tokensOwed0 ? position.tokensOwed0 : amount0Requested; + amount1 = amount1Requested > position.tokensOwed1 ? position.tokensOwed1 : amount1Requested; + + if (amount0 > 0) { + position.tokensOwed0 -= amount0; + TransferHelper.safeTransfer(token0, recipient, amount0); + } + if (amount1 > 0) { + position.tokensOwed1 -= amount1; + TransferHelper.safeTransfer(token1, recipient, amount1); + } + + emit Collect(msg.sender, recipient, tickLower, tickUpper, amount0, amount1); + } + + /// @inheritdoc IUniswapV3PoolActions + /// @dev noDelegateCall is applied indirectly via _modifyPosition + function burn( + int24 tickLower, + int24 tickUpper, + uint128 amount + ) external override lock returns (uint256 amount0, uint256 amount1) { + (Position.Info storage position, int256 amount0Int, int256 amount1Int) = + _modifyPosition( + ModifyPositionParams({ + owner: msg.sender, + tickLower: tickLower, + tickUpper: tickUpper, + liquidityDelta: -int256(amount).toInt128() + }) + ); + + amount0 = uint256(-amount0Int); + amount1 = uint256(-amount1Int); + + if (amount0 > 0 || amount1 > 0) { + (position.tokensOwed0, position.tokensOwed1) = ( + position.tokensOwed0 + uint128(amount0), + position.tokensOwed1 + uint128(amount1) + ); + } + + emit Burn(msg.sender, tickLower, tickUpper, amount, amount0, amount1); + } + + struct SwapCache { + // the protocol fee for the input token + uint8 feeProtocol; + // liquidity at the beginning of the swap + uint128 liquidityStart; + // the timestamp of the current block + uint32 blockTimestamp; + // the current value of the tick accumulator, computed only if we cross an initialized tick + int56 tickCumulative; + // the current value of seconds per liquidity accumulator, computed only if we cross an initialized tick + uint160 secondsPerLiquidityCumulativeX128; + // whether we've computed and cached the above two accumulators + bool computedLatestObservation; + } + + // the top level state of the swap, the results of which are recorded in storage at the end + struct SwapState { + // the amount remaining to be swapped in/out of the input/output asset + int256 amountSpecifiedRemaining; + // the amount already swapped out/in of the output/input asset + int256 amountCalculated; + // current sqrt(price) + uint160 sqrtPriceX96; + // the tick associated with the current price + int24 tick; + // the global fee growth of the input token + uint256 feeGrowthGlobalX128; + // amount of input token paid as protocol fee + uint128 protocolFee; + // the current liquidity in range + uint128 liquidity; + } + + struct StepComputations { + // the price at the beginning of the step + uint160 sqrtPriceStartX96; + // the next tick to swap to from the current tick in the swap direction + int24 tickNext; + // whether tickNext is initialized or not + bool initialized; + // sqrt(price) for the next tick (1/0) + uint160 sqrtPriceNextX96; + // how much is being swapped in in this step + uint256 amountIn; + // how much is being swapped out + uint256 amountOut; + // how much fee is being paid in + uint256 feeAmount; + } + + /// @inheritdoc IUniswapV3PoolActions + function swap( + address recipient, + bool zeroForOne, + int256 amountSpecified, + uint160 sqrtPriceLimitX96, + bytes calldata data + ) external override noDelegateCall returns (int256 amount0, int256 amount1) { + require(amountSpecified != 0, 'AS'); + + Slot0 memory slot0Start = slot0; + + require(slot0Start.unlocked, 'LOK'); + require( + zeroForOne + ? sqrtPriceLimitX96 < slot0Start.sqrtPriceX96 && sqrtPriceLimitX96 > TickMath.MIN_SQRT_RATIO + : sqrtPriceLimitX96 > slot0Start.sqrtPriceX96 && sqrtPriceLimitX96 < TickMath.MAX_SQRT_RATIO, + 'SPL' + ); + + slot0.unlocked = false; + + SwapCache memory cache = + SwapCache({ + liquidityStart: liquidity, + blockTimestamp: _blockTimestamp(), + feeProtocol: zeroForOne ? (slot0Start.feeProtocol % 16) : (slot0Start.feeProtocol >> 4), + secondsPerLiquidityCumulativeX128: 0, + tickCumulative: 0, + computedLatestObservation: false + }); + + bool exactInput = amountSpecified > 0; + + SwapState memory state = + SwapState({ + amountSpecifiedRemaining: amountSpecified, + amountCalculated: 0, + sqrtPriceX96: slot0Start.sqrtPriceX96, + tick: slot0Start.tick, + feeGrowthGlobalX128: zeroForOne ? feeGrowthGlobal0X128 : feeGrowthGlobal1X128, + protocolFee: 0, + liquidity: cache.liquidityStart + }); + + // continue swapping as long as we haven't used the entire input/output and haven't reached the price limit + while (state.amountSpecifiedRemaining != 0 && state.sqrtPriceX96 != sqrtPriceLimitX96) { + StepComputations memory step; + + step.sqrtPriceStartX96 = state.sqrtPriceX96; + + (step.tickNext, step.initialized) = tickBitmap.nextInitializedTickWithinOneWord( + state.tick, + tickSpacing, + zeroForOne + ); + + // ensure that we do not overshoot the min/max tick, as the tick bitmap is not aware of these bounds + if (step.tickNext < TickMath.MIN_TICK) { + step.tickNext = TickMath.MIN_TICK; + } else if (step.tickNext > TickMath.MAX_TICK) { + step.tickNext = TickMath.MAX_TICK; + } + + // get the price for the next tick + step.sqrtPriceNextX96 = TickMath.getSqrtRatioAtTick(step.tickNext); + + // compute values to swap to the target tick, price limit, or point where input/output amount is exhausted + (state.sqrtPriceX96, step.amountIn, step.amountOut, step.feeAmount) = SwapMath.computeSwapStep( + state.sqrtPriceX96, + (zeroForOne ? step.sqrtPriceNextX96 < sqrtPriceLimitX96 : step.sqrtPriceNextX96 > sqrtPriceLimitX96) + ? sqrtPriceLimitX96 + : step.sqrtPriceNextX96, + state.liquidity, + state.amountSpecifiedRemaining, + fee + ); + + if (exactInput) { + state.amountSpecifiedRemaining -= (step.amountIn + step.feeAmount).toInt256(); + state.amountCalculated = state.amountCalculated.sub(step.amountOut.toInt256()); + } else { + state.amountSpecifiedRemaining += step.amountOut.toInt256(); + state.amountCalculated = state.amountCalculated.add((step.amountIn + step.feeAmount).toInt256()); + } + + // if the protocol fee is on, calculate how much is owed, decrement feeAmount, and increment protocolFee + if (cache.feeProtocol > 0) { + uint256 delta = step.feeAmount / cache.feeProtocol; + step.feeAmount -= delta; + state.protocolFee += uint128(delta); + } + + // update global fee tracker + if (state.liquidity > 0) + state.feeGrowthGlobalX128 += FullMath.mulDiv(step.feeAmount, FixedPoint128.Q128, state.liquidity); + + // shift tick if we reached the next price + if (state.sqrtPriceX96 == step.sqrtPriceNextX96) { + // if the tick is initialized, run the tick transition + if (step.initialized) { + // check for the placeholder value, which we replace with the actual value the first time the swap + // crosses an initialized tick + if (!cache.computedLatestObservation) { + (cache.tickCumulative, cache.secondsPerLiquidityCumulativeX128) = observations.observeSingle( + cache.blockTimestamp, + 0, + slot0Start.tick, + slot0Start.observationIndex, + cache.liquidityStart, + slot0Start.observationCardinality + ); + cache.computedLatestObservation = true; + } + int128 liquidityNet = + ticks.cross( + step.tickNext, + (zeroForOne ? state.feeGrowthGlobalX128 : feeGrowthGlobal0X128), + (zeroForOne ? feeGrowthGlobal1X128 : state.feeGrowthGlobalX128), + cache.secondsPerLiquidityCumulativeX128, + cache.tickCumulative, + cache.blockTimestamp + ); + // if we're moving leftward, we interpret liquidityNet as the opposite sign + // safe because liquidityNet cannot be type(int128).min + if (zeroForOne) liquidityNet = -liquidityNet; + + state.liquidity = LiquidityMath.addDelta(state.liquidity, liquidityNet); + } + + state.tick = zeroForOne ? step.tickNext - 1 : step.tickNext; + } else if (state.sqrtPriceX96 != step.sqrtPriceStartX96) { + // recompute unless we're on a lower tick boundary (i.e. already transitioned ticks), and haven't moved + state.tick = TickMath.getTickAtSqrtRatio(state.sqrtPriceX96); + } + } + + // update tick and write an oracle entry if the tick change + if (state.tick != slot0Start.tick) { + (uint16 observationIndex, uint16 observationCardinality) = + observations.write( + slot0Start.observationIndex, + cache.blockTimestamp, + slot0Start.tick, + cache.liquidityStart, + slot0Start.observationCardinality, + slot0Start.observationCardinalityNext + ); + (slot0.sqrtPriceX96, slot0.tick, slot0.observationIndex, slot0.observationCardinality) = ( + state.sqrtPriceX96, + state.tick, + observationIndex, + observationCardinality + ); + } else { + // otherwise just update the price + slot0.sqrtPriceX96 = state.sqrtPriceX96; + } + + // update liquidity if it changed + if (cache.liquidityStart != state.liquidity) liquidity = state.liquidity; + + // update fee growth global and, if necessary, protocol fees + // overflow is acceptable, protocol has to withdraw before it hits type(uint128).max fees + if (zeroForOne) { + feeGrowthGlobal0X128 = state.feeGrowthGlobalX128; + if (state.protocolFee > 0) protocolFees.token0 += state.protocolFee; + } else { + feeGrowthGlobal1X128 = state.feeGrowthGlobalX128; + if (state.protocolFee > 0) protocolFees.token1 += state.protocolFee; + } + + (amount0, amount1) = zeroForOne == exactInput + ? (amountSpecified - state.amountSpecifiedRemaining, state.amountCalculated) + : (state.amountCalculated, amountSpecified - state.amountSpecifiedRemaining); + + // do the transfers and collect payment + if (zeroForOne) { + if (amount1 < 0) TransferHelper.safeTransfer(token1, recipient, uint256(-amount1)); + + uint256 balance0Before = balance0(); + IUniswapV3SwapCallback(msg.sender).uniswapV3SwapCallback(amount0, amount1, data); + require(balance0Before.add(uint256(amount0)) <= balance0(), 'IIA'); + } else { + if (amount0 < 0) TransferHelper.safeTransfer(token0, recipient, uint256(-amount0)); + + uint256 balance1Before = balance1(); + IUniswapV3SwapCallback(msg.sender).uniswapV3SwapCallback(amount0, amount1, data); + require(balance1Before.add(uint256(amount1)) <= balance1(), 'IIA'); + } + + emit Swap(msg.sender, recipient, amount0, amount1, state.sqrtPriceX96, state.liquidity, state.tick); + slot0.unlocked = true; + } + + /// @inheritdoc IUniswapV3PoolActions + function flash( + address recipient, + uint256 amount0, + uint256 amount1, + bytes calldata data + ) external override lock noDelegateCall { + uint128 _liquidity = liquidity; + require(_liquidity > 0, 'L'); + + uint256 fee0 = FullMath.mulDivRoundingUp(amount0, fee, 1e6); + uint256 fee1 = FullMath.mulDivRoundingUp(amount1, fee, 1e6); + uint256 balance0Before = balance0(); + uint256 balance1Before = balance1(); + + if (amount0 > 0) TransferHelper.safeTransfer(token0, recipient, amount0); + if (amount1 > 0) TransferHelper.safeTransfer(token1, recipient, amount1); + + IUniswapV3FlashCallback(msg.sender).uniswapV3FlashCallback(fee0, fee1, data); + + uint256 balance0After = balance0(); + uint256 balance1After = balance1(); + + require(balance0Before.add(fee0) <= balance0After, 'F0'); + require(balance1Before.add(fee1) <= balance1After, 'F1'); + + // sub is safe because we know balanceAfter is gt balanceBefore by at least fee + uint256 paid0 = balance0After - balance0Before; + uint256 paid1 = balance1After - balance1Before; + + if (paid0 > 0) { + uint8 feeProtocol0 = slot0.feeProtocol % 16; + uint256 fees0 = feeProtocol0 == 0 ? 0 : paid0 / feeProtocol0; + if (uint128(fees0) > 0) protocolFees.token0 += uint128(fees0); + feeGrowthGlobal0X128 += FullMath.mulDiv(paid0 - fees0, FixedPoint128.Q128, _liquidity); + } + if (paid1 > 0) { + uint8 feeProtocol1 = slot0.feeProtocol >> 4; + uint256 fees1 = feeProtocol1 == 0 ? 0 : paid1 / feeProtocol1; + if (uint128(fees1) > 0) protocolFees.token1 += uint128(fees1); + feeGrowthGlobal1X128 += FullMath.mulDiv(paid1 - fees1, FixedPoint128.Q128, _liquidity); + } + + emit Flash(msg.sender, recipient, amount0, amount1, paid0, paid1); + } + + /// @inheritdoc IUniswapV3PoolOwnerActions + function setFeeProtocol(uint8 feeProtocol0, uint8 feeProtocol1) external override lock onlyFactoryOwner { + require( + (feeProtocol0 == 0 || (feeProtocol0 >= 4 && feeProtocol0 <= 10)) && + (feeProtocol1 == 0 || (feeProtocol1 >= 4 && feeProtocol1 <= 10)) + ); + uint8 feeProtocolOld = slot0.feeProtocol; + slot0.feeProtocol = feeProtocol0 + (feeProtocol1 << 4); + emit SetFeeProtocol(feeProtocolOld % 16, feeProtocolOld >> 4, feeProtocol0, feeProtocol1); + } + + /// @inheritdoc IUniswapV3PoolOwnerActions + function collectProtocol( + address recipient, + uint128 amount0Requested, + uint128 amount1Requested + ) external override lock onlyFactoryOwner returns (uint128 amount0, uint128 amount1) { + amount0 = amount0Requested > protocolFees.token0 ? protocolFees.token0 : amount0Requested; + amount1 = amount1Requested > protocolFees.token1 ? protocolFees.token1 : amount1Requested; + + if (amount0 > 0) { + if (amount0 == protocolFees.token0) amount0--; // ensure that the slot is not cleared, for gas savings + protocolFees.token0 -= amount0; + TransferHelper.safeTransfer(token0, recipient, amount0); + } + if (amount1 > 0) { + if (amount1 == protocolFees.token1) amount1--; // ensure that the slot is not cleared, for gas savings + protocolFees.token1 -= amount1; + TransferHelper.safeTransfer(token1, recipient, amount1); + } + + emit CollectProtocol(msg.sender, recipient, amount0, amount1); + } +} diff --git a/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/IERC20Minimal.sol b/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/IERC20Minimal.sol new file mode 100644 index 000000000..c303265a3 --- /dev/null +++ b/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/IERC20Minimal.sol @@ -0,0 +1,52 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +pragma solidity >=0.5.0; + +/// @title Minimal ERC20 interface for Uniswap +/// @notice Contains a subset of the full ERC20 interface that is used in Uniswap V3 +interface IERC20Minimal { + /// @notice Returns the balance of a token + /// @param account The account for which to look up the number of tokens it has, i.e. its balance + /// @return The number of tokens held by the account + function balanceOf(address account) external view returns (uint256); + + /// @notice Transfers the amount of token from the `msg.sender` to the recipient + /// @param recipient The account that will receive the amount transferred + /// @param amount The number of tokens to send from the sender to the recipient + /// @return Returns true for a successful transfer, false for an unsuccessful transfer + function transfer(address recipient, uint256 amount) external returns (bool); + + /// @notice Returns the current allowance given to a spender by an owner + /// @param owner The account of the token owner + /// @param spender The account of the token spender + /// @return The current allowance granted by `owner` to `spender` + function allowance(address owner, address spender) external view returns (uint256); + + /// @notice Sets the allowance of a spender from the `msg.sender` to the value `amount` + /// @param spender The account which will be allowed to spend a given amount of the owners tokens + /// @param amount The amount of tokens allowed to be used by `spender` + /// @return Returns true for a successful approval, false for unsuccessful + function approve(address spender, uint256 amount) external returns (bool); + + /// @notice Transfers `amount` tokens from `sender` to `recipient` up to the allowance given to the `msg.sender` + /// @param sender The account from which the transfer will be initiated + /// @param recipient The recipient of the transfer + /// @param amount The amount of the transfer + /// @return Returns true for a successful transfer, false for unsuccessful + function transferFrom( + address sender, + address recipient, + uint256 amount + ) external returns (bool); + + /// @notice Event emitted when tokens are transferred from one address to another, either via `#transfer` or `#transferFrom`. + /// @param from The account from which the tokens were sent, i.e. the balance decreased + /// @param to The account to which the tokens were sent, i.e. the balance increased + /// @param value The amount of tokens that were transferred + event Transfer(address indexed from, address indexed to, uint256 value); + + /// @notice Event emitted when the approval amount for the spender of a given owner's tokens changes. + /// @param owner The account that approved spending of its tokens + /// @param spender The account for which the spending allowance was modified + /// @param value The new allowance from the owner to the spender + event Approval(address indexed owner, address indexed spender, uint256 value); +} diff --git a/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/IUniswapV3Factory.sol b/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/IUniswapV3Factory.sol new file mode 100644 index 000000000..540cfdc68 --- /dev/null +++ b/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/IUniswapV3Factory.sol @@ -0,0 +1,78 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +pragma solidity >=0.5.0; + +/// @title The interface for the Uniswap V3 Factory +/// @notice The Uniswap V3 Factory facilitates creation of Uniswap V3 pools and control over the protocol fees +interface IUniswapV3Factory { + /// @notice Emitted when the owner of the factory is changed + /// @param oldOwner The owner before the owner was changed + /// @param newOwner The owner after the owner was changed + event OwnerChanged(address indexed oldOwner, address indexed newOwner); + + /// @notice Emitted when a pool is created + /// @param token0 The first token of the pool by address sort order + /// @param token1 The second token of the pool by address sort order + /// @param fee The fee collected upon every swap in the pool, denominated in hundredths of a bip + /// @param tickSpacing The minimum number of ticks between initialized ticks + /// @param pool The address of the created pool + event PoolCreated( + address indexed token0, + address indexed token1, + uint24 indexed fee, + int24 tickSpacing, + address pool + ); + + /// @notice Emitted when a new fee amount is enabled for pool creation via the factory + /// @param fee The enabled fee, denominated in hundredths of a bip + /// @param tickSpacing The minimum number of ticks between initialized ticks for pools created with the given fee + event FeeAmountEnabled(uint24 indexed fee, int24 indexed tickSpacing); + + /// @notice Returns the current owner of the factory + /// @dev Can be changed by the current owner via setOwner + /// @return The address of the factory owner + function owner() external view returns (address); + + /// @notice Returns the tick spacing for a given fee amount, if enabled, or 0 if not enabled + /// @dev A fee amount can never be removed, so this value should be hard coded or cached in the calling context + /// @param fee The enabled fee, denominated in hundredths of a bip. Returns 0 in case of unenabled fee + /// @return The tick spacing + function feeAmountTickSpacing(uint24 fee) external view returns (int24); + + /// @notice Returns the pool address for a given pair of tokens and a fee, or address 0 if it does not exist + /// @dev tokenA and tokenB may be passed in either token0/token1 or token1/token0 order + /// @param tokenA The contract address of either token0 or token1 + /// @param tokenB The contract address of the other token + /// @param fee The fee collected upon every swap in the pool, denominated in hundredths of a bip + /// @return pool The pool address + function getPool( + address tokenA, + address tokenB, + uint24 fee + ) external view returns (address pool); + + /// @notice Creates a pool for the given two tokens and fee + /// @param tokenA One of the two tokens in the desired pool + /// @param tokenB The other of the two tokens in the desired pool + /// @param fee The desired fee for the pool + /// @dev tokenA and tokenB may be passed in either order: token0/token1 or token1/token0. tickSpacing is retrieved + /// from the fee. The call will revert if the pool already exists, the fee is invalid, or the token arguments + /// are invalid. + /// @return pool The address of the newly created pool + function createPool( + address tokenA, + address tokenB, + uint24 fee + ) external returns (address pool); + + /// @notice Updates the owner of the factory + /// @dev Must be called by the current owner + /// @param _owner The new owner of the factory + function setOwner(address _owner) external; + + /// @notice Enables a fee amount with the given tickSpacing + /// @dev Fee amounts may never be removed once enabled + /// @param fee The fee amount to enable, denominated in hundredths of a bip (i.e. 1e-6) + /// @param tickSpacing The spacing between ticks to be enforced for all pools created with the given fee amount + function enableFeeAmount(uint24 fee, int24 tickSpacing) external; +} diff --git a/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/IUniswapV3Pool.sol b/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/IUniswapV3Pool.sol new file mode 100644 index 000000000..56df0500d --- /dev/null +++ b/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/IUniswapV3Pool.sol @@ -0,0 +1,24 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +pragma solidity >=0.5.0; + +import './pool/IUniswapV3PoolImmutables.sol'; +import './pool/IUniswapV3PoolState.sol'; +import './pool/IUniswapV3PoolDerivedState.sol'; +import './pool/IUniswapV3PoolActions.sol'; +import './pool/IUniswapV3PoolOwnerActions.sol'; +import './pool/IUniswapV3PoolEvents.sol'; + +/// @title The interface for a Uniswap V3 Pool +/// @notice A Uniswap pool facilitates swapping and automated market making between any two assets that strictly conform +/// to the ERC20 specification +/// @dev The pool interface is broken up into many smaller pieces +interface IUniswapV3Pool is + IUniswapV3PoolImmutables, + IUniswapV3PoolState, + IUniswapV3PoolDerivedState, + IUniswapV3PoolActions, + IUniswapV3PoolOwnerActions, + IUniswapV3PoolEvents +{ + +} diff --git a/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/IUniswapV3PoolDeployer.sol b/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/IUniswapV3PoolDeployer.sol new file mode 100644 index 000000000..72096c1ff --- /dev/null +++ b/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/IUniswapV3PoolDeployer.sol @@ -0,0 +1,26 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +pragma solidity >=0.5.0; + +/// @title An interface for a contract that is capable of deploying Uniswap V3 Pools +/// @notice A contract that constructs a pool must implement this to pass arguments to the pool +/// @dev This is used to avoid having constructor arguments in the pool contract, which results in the init code hash +/// of the pool being constant allowing the CREATE2 address of the pool to be cheaply computed on-chain +interface IUniswapV3PoolDeployer { + /// @notice Get the parameters to be used in constructing the pool, set transiently during pool creation. + /// @dev Called by the pool constructor to fetch the parameters of the pool + /// Returns factory The factory address + /// Returns token0 The first token of the pool by address sort order + /// Returns token1 The second token of the pool by address sort order + /// Returns fee The fee collected upon every swap in the pool, denominated in hundredths of a bip + /// Returns tickSpacing The minimum number of ticks between initialized ticks + function parameters() + external + view + returns ( + address factory, + address token0, + address token1, + uint24 fee, + int24 tickSpacing + ); +} diff --git a/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/callback/IUniswapV3FlashCallback.sol b/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/callback/IUniswapV3FlashCallback.sol new file mode 100644 index 000000000..18e54c4e1 --- /dev/null +++ b/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/callback/IUniswapV3FlashCallback.sol @@ -0,0 +1,18 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +pragma solidity >=0.5.0; + +/// @title Callback for IUniswapV3PoolActions#flash +/// @notice Any contract that calls IUniswapV3PoolActions#flash must implement this interface +interface IUniswapV3FlashCallback { + /// @notice Called to `msg.sender` after transferring to the recipient from IUniswapV3Pool#flash. + /// @dev In the implementation you must repay the pool the tokens sent by flash plus the computed fee amounts. + /// The caller of this method must be checked to be a UniswapV3Pool deployed by the canonical UniswapV3Factory. + /// @param fee0 The fee amount in token0 due to the pool by the end of the flash + /// @param fee1 The fee amount in token1 due to the pool by the end of the flash + /// @param data Any data passed through by the caller via the IUniswapV3PoolActions#flash call + function uniswapV3FlashCallback( + uint256 fee0, + uint256 fee1, + bytes calldata data + ) external; +} diff --git a/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/callback/IUniswapV3MintCallback.sol b/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/callback/IUniswapV3MintCallback.sol new file mode 100644 index 000000000..85447e84f --- /dev/null +++ b/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/callback/IUniswapV3MintCallback.sol @@ -0,0 +1,18 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +pragma solidity >=0.5.0; + +/// @title Callback for IUniswapV3PoolActions#mint +/// @notice Any contract that calls IUniswapV3PoolActions#mint must implement this interface +interface IUniswapV3MintCallback { + /// @notice Called to `msg.sender` after minting liquidity to a position from IUniswapV3Pool#mint. + /// @dev In the implementation you must pay the pool tokens owed for the minted liquidity. + /// The caller of this method must be checked to be a UniswapV3Pool deployed by the canonical UniswapV3Factory. + /// @param amount0Owed The amount of token0 due to the pool for the minted liquidity + /// @param amount1Owed The amount of token1 due to the pool for the minted liquidity + /// @param data Any data passed through by the caller via the IUniswapV3PoolActions#mint call + function uniswapV3MintCallback( + uint256 amount0Owed, + uint256 amount1Owed, + bytes calldata data + ) external; +} diff --git a/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/callback/IUniswapV3SwapCallback.sol b/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/callback/IUniswapV3SwapCallback.sol new file mode 100644 index 000000000..9f183b22a --- /dev/null +++ b/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/callback/IUniswapV3SwapCallback.sol @@ -0,0 +1,21 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +pragma solidity >=0.5.0; + +/// @title Callback for IUniswapV3PoolActions#swap +/// @notice Any contract that calls IUniswapV3PoolActions#swap must implement this interface +interface IUniswapV3SwapCallback { + /// @notice Called to `msg.sender` after executing a swap via IUniswapV3Pool#swap. + /// @dev In the implementation you must pay the pool tokens owed for the swap. + /// The caller of this method must be checked to be a UniswapV3Pool deployed by the canonical UniswapV3Factory. + /// amount0Delta and amount1Delta can both be 0 if no tokens were swapped. + /// @param amount0Delta The amount of token0 that was sent (negative) or must be received (positive) by the pool by + /// the end of the swap. If positive, the callback must send that amount of token0 to the pool. + /// @param amount1Delta The amount of token1 that was sent (negative) or must be received (positive) by the pool by + /// the end of the swap. If positive, the callback must send that amount of token1 to the pool. + /// @param data Any data passed through by the caller via the IUniswapV3PoolActions#swap call + function uniswapV3SwapCallback( + int256 amount0Delta, + int256 amount1Delta, + bytes calldata data + ) external; +} diff --git a/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/pool/IUniswapV3PoolActions.sol b/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/pool/IUniswapV3PoolActions.sol new file mode 100644 index 000000000..44fb61c24 --- /dev/null +++ b/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/pool/IUniswapV3PoolActions.sol @@ -0,0 +1,103 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +pragma solidity >=0.5.0; + +/// @title Permissionless pool actions +/// @notice Contains pool methods that can be called by anyone +interface IUniswapV3PoolActions { + /// @notice Sets the initial price for the pool + /// @dev Price is represented as a sqrt(amountToken1/amountToken0) Q64.96 value + /// @param sqrtPriceX96 the initial sqrt price of the pool as a Q64.96 + function initialize(uint160 sqrtPriceX96) external; + + /// @notice Adds liquidity for the given recipient/tickLower/tickUpper position + /// @dev The caller of this method receives a callback in the form of IUniswapV3MintCallback#uniswapV3MintCallback + /// in which they must pay any token0 or token1 owed for the liquidity. The amount of token0/token1 due depends + /// on tickLower, tickUpper, the amount of liquidity, and the current price. + /// @param recipient The address for which the liquidity will be created + /// @param tickLower The lower tick of the position in which to add liquidity + /// @param tickUpper The upper tick of the position in which to add liquidity + /// @param amount The amount of liquidity to mint + /// @param data Any data that should be passed through to the callback + /// @return amount0 The amount of token0 that was paid to mint the given amount of liquidity. Matches the value in the callback + /// @return amount1 The amount of token1 that was paid to mint the given amount of liquidity. Matches the value in the callback + function mint( + address recipient, + int24 tickLower, + int24 tickUpper, + uint128 amount, + bytes calldata data + ) external returns (uint256 amount0, uint256 amount1); + + /// @notice Collects tokens owed to a position + /// @dev Does not recompute fees earned, which must be done either via mint or burn of any amount of liquidity. + /// Collect must be called by the position owner. To withdraw only token0 or only token1, amount0Requested or + /// amount1Requested may be set to zero. To withdraw all tokens owed, caller may pass any value greater than the + /// actual tokens owed, e.g. type(uint128).max. Tokens owed may be from accumulated swap fees or burned liquidity. + /// @param recipient The address which should receive the fees collected + /// @param tickLower The lower tick of the position for which to collect fees + /// @param tickUpper The upper tick of the position for which to collect fees + /// @param amount0Requested How much token0 should be withdrawn from the fees owed + /// @param amount1Requested How much token1 should be withdrawn from the fees owed + /// @return amount0 The amount of fees collected in token0 + /// @return amount1 The amount of fees collected in token1 + function collect( + address recipient, + int24 tickLower, + int24 tickUpper, + uint128 amount0Requested, + uint128 amount1Requested + ) external returns (uint128 amount0, uint128 amount1); + + /// @notice Burn liquidity from the sender and account tokens owed for the liquidity to the position + /// @dev Can be used to trigger a recalculation of fees owed to a position by calling with an amount of 0 + /// @dev Fees must be collected separately via a call to #collect + /// @param tickLower The lower tick of the position for which to burn liquidity + /// @param tickUpper The upper tick of the position for which to burn liquidity + /// @param amount How much liquidity to burn + /// @return amount0 The amount of token0 sent to the recipient + /// @return amount1 The amount of token1 sent to the recipient + function burn( + int24 tickLower, + int24 tickUpper, + uint128 amount + ) external returns (uint256 amount0, uint256 amount1); + + /// @notice Swap token0 for token1, or token1 for token0 + /// @dev The caller of this method receives a callback in the form of IUniswapV3SwapCallback#uniswapV3SwapCallback + /// @param recipient The address to receive the output of the swap + /// @param zeroForOne The direction of the swap, true for token0 to token1, false for token1 to token0 + /// @param amountSpecified The amount of the swap, which implicitly configures the swap as exact input (positive), or exact output (negative) + /// @param sqrtPriceLimitX96 The Q64.96 sqrt price limit. If zero for one, the price cannot be less than this + /// value after the swap. If one for zero, the price cannot be greater than this value after the swap + /// @param data Any data to be passed through to the callback + /// @return amount0 The delta of the balance of token0 of the pool, exact when negative, minimum when positive + /// @return amount1 The delta of the balance of token1 of the pool, exact when negative, minimum when positive + function swap( + address recipient, + bool zeroForOne, + int256 amountSpecified, + uint160 sqrtPriceLimitX96, + bytes calldata data + ) external returns (int256 amount0, int256 amount1); + + /// @notice Receive token0 and/or token1 and pay it back, plus a fee, in the callback + /// @dev The caller of this method receives a callback in the form of IUniswapV3FlashCallback#uniswapV3FlashCallback + /// @dev Can be used to donate underlying tokens pro-rata to currently in-range liquidity providers by calling + /// with 0 amount{0,1} and sending the donation amount(s) from the callback + /// @param recipient The address which will receive the token0 and token1 amounts + /// @param amount0 The amount of token0 to send + /// @param amount1 The amount of token1 to send + /// @param data Any data to be passed through to the callback + function flash( + address recipient, + uint256 amount0, + uint256 amount1, + bytes calldata data + ) external; + + /// @notice Increase the maximum number of price and liquidity observations that this pool will store + /// @dev This method is no-op if the pool already has an observationCardinalityNext greater than or equal to + /// the input observationCardinalityNext. + /// @param observationCardinalityNext The desired minimum number of observations for the pool to store + function increaseObservationCardinalityNext(uint16 observationCardinalityNext) external; +} diff --git a/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/pool/IUniswapV3PoolDerivedState.sol b/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/pool/IUniswapV3PoolDerivedState.sol new file mode 100644 index 000000000..eda3a0089 --- /dev/null +++ b/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/pool/IUniswapV3PoolDerivedState.sol @@ -0,0 +1,40 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +pragma solidity >=0.5.0; + +/// @title Pool state that is not stored +/// @notice Contains view functions to provide information about the pool that is computed rather than stored on the +/// blockchain. The functions here may have variable gas costs. +interface IUniswapV3PoolDerivedState { + /// @notice Returns the cumulative tick and liquidity as of each timestamp `secondsAgo` from the current block timestamp + /// @dev To get a time weighted average tick or liquidity-in-range, you must call this with two values, one representing + /// the beginning of the period and another for the end of the period. E.g., to get the last hour time-weighted average tick, + /// you must call it with secondsAgos = [3600, 0]. + /// @dev The time weighted average tick represents the geometric time weighted average price of the pool, in + /// log base sqrt(1.0001) of token1 / token0. The TickMath library can be used to go from a tick value to a ratio. + /// @param secondsAgos From how long ago each cumulative tick and liquidity value should be returned + /// @return tickCumulatives Cumulative tick values as of each `secondsAgos` from the current block timestamp + /// @return secondsPerLiquidityCumulativeX128s Cumulative seconds per liquidity-in-range value as of each `secondsAgos` from the current block + /// timestamp + function observe(uint32[] calldata secondsAgos) + external + view + returns (int56[] memory tickCumulatives, uint160[] memory secondsPerLiquidityCumulativeX128s); + + /// @notice Returns a snapshot of the tick cumulative, seconds per liquidity and seconds inside a tick range + /// @dev Snapshots must only be compared to other snapshots, taken over a period for which a position existed. + /// I.e., snapshots cannot be compared if a position is not held for the entire period between when the first + /// snapshot is taken and the second snapshot is taken. + /// @param tickLower The lower tick of the range + /// @param tickUpper The upper tick of the range + /// @return tickCumulativeInside The snapshot of the tick accumulator for the range + /// @return secondsPerLiquidityInsideX128 The snapshot of seconds per liquidity for the range + /// @return secondsInside The snapshot of seconds per liquidity for the range + function snapshotCumulativesInside(int24 tickLower, int24 tickUpper) + external + view + returns ( + int56 tickCumulativeInside, + uint160 secondsPerLiquidityInsideX128, + uint32 secondsInside + ); +} diff --git a/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/pool/IUniswapV3PoolEvents.sol b/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/pool/IUniswapV3PoolEvents.sol new file mode 100644 index 000000000..9d915dde9 --- /dev/null +++ b/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/pool/IUniswapV3PoolEvents.sol @@ -0,0 +1,121 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +pragma solidity >=0.5.0; + +/// @title Events emitted by a pool +/// @notice Contains all events emitted by the pool +interface IUniswapV3PoolEvents { + /// @notice Emitted exactly once by a pool when #initialize is first called on the pool + /// @dev Mint/Burn/Swap cannot be emitted by the pool before Initialize + /// @param sqrtPriceX96 The initial sqrt price of the pool, as a Q64.96 + /// @param tick The initial tick of the pool, i.e. log base 1.0001 of the starting price of the pool + event Initialize(uint160 sqrtPriceX96, int24 tick); + + /// @notice Emitted when liquidity is minted for a given position + /// @param sender The address that minted the liquidity + /// @param owner The owner of the position and recipient of any minted liquidity + /// @param tickLower The lower tick of the position + /// @param tickUpper The upper tick of the position + /// @param amount The amount of liquidity minted to the position range + /// @param amount0 How much token0 was required for the minted liquidity + /// @param amount1 How much token1 was required for the minted liquidity + event Mint( + address sender, + address indexed owner, + int24 indexed tickLower, + int24 indexed tickUpper, + uint128 amount, + uint256 amount0, + uint256 amount1 + ); + + /// @notice Emitted when fees are collected by the owner of a position + /// @dev Collect events may be emitted with zero amount0 and amount1 when the caller chooses not to collect fees + /// @param owner The owner of the position for which fees are collected + /// @param tickLower The lower tick of the position + /// @param tickUpper The upper tick of the position + /// @param amount0 The amount of token0 fees collected + /// @param amount1 The amount of token1 fees collected + event Collect( + address indexed owner, + address recipient, + int24 indexed tickLower, + int24 indexed tickUpper, + uint128 amount0, + uint128 amount1 + ); + + /// @notice Emitted when a position's liquidity is removed + /// @dev Does not withdraw any fees earned by the liquidity position, which must be withdrawn via #collect + /// @param owner The owner of the position for which liquidity is removed + /// @param tickLower The lower tick of the position + /// @param tickUpper The upper tick of the position + /// @param amount The amount of liquidity to remove + /// @param amount0 The amount of token0 withdrawn + /// @param amount1 The amount of token1 withdrawn + event Burn( + address indexed owner, + int24 indexed tickLower, + int24 indexed tickUpper, + uint128 amount, + uint256 amount0, + uint256 amount1 + ); + + /// @notice Emitted by the pool for any swaps between token0 and token1 + /// @param sender The address that initiated the swap call, and that received the callback + /// @param recipient The address that received the output of the swap + /// @param amount0 The delta of the token0 balance of the pool + /// @param amount1 The delta of the token1 balance of the pool + /// @param sqrtPriceX96 The sqrt(price) of the pool after the swap, as a Q64.96 + /// @param liquidity The liquidity of the pool after the swap + /// @param tick The log base 1.0001 of price of the pool after the swap + event Swap( + address indexed sender, + address indexed recipient, + int256 amount0, + int256 amount1, + uint160 sqrtPriceX96, + uint128 liquidity, + int24 tick + ); + + /// @notice Emitted by the pool for any flashes of token0/token1 + /// @param sender The address that initiated the swap call, and that received the callback + /// @param recipient The address that received the tokens from flash + /// @param amount0 The amount of token0 that was flashed + /// @param amount1 The amount of token1 that was flashed + /// @param paid0 The amount of token0 paid for the flash, which can exceed the amount0 plus the fee + /// @param paid1 The amount of token1 paid for the flash, which can exceed the amount1 plus the fee + event Flash( + address indexed sender, + address indexed recipient, + uint256 amount0, + uint256 amount1, + uint256 paid0, + uint256 paid1 + ); + + /// @notice Emitted by the pool for increases to the number of observations that can be stored + /// @dev observationCardinalityNext is not the observation cardinality until an observation is written at the index + /// just before a mint/swap/burn. + /// @param observationCardinalityNextOld The previous value of the next observation cardinality + /// @param observationCardinalityNextNew The updated value of the next observation cardinality + event IncreaseObservationCardinalityNext( + uint16 observationCardinalityNextOld, + uint16 observationCardinalityNextNew + ); + + /// @notice Emitted when the protocol fee is changed by the pool + /// @param feeProtocol0Old The previous value of the token0 protocol fee + /// @param feeProtocol1Old The previous value of the token1 protocol fee + /// @param feeProtocol0New The updated value of the token0 protocol fee + /// @param feeProtocol1New The updated value of the token1 protocol fee + event SetFeeProtocol(uint8 feeProtocol0Old, uint8 feeProtocol1Old, uint8 feeProtocol0New, uint8 feeProtocol1New); + + /// @notice Emitted when the collected protocol fees are withdrawn by the factory owner + /// @param sender The address that collects the protocol fees + /// @param recipient The address that receives the collected protocol fees + /// @param amount0 The amount of token0 protocol fees that is withdrawn + /// @param amount0 The amount of token1 protocol fees that is withdrawn + event CollectProtocol(address indexed sender, address indexed recipient, uint128 amount0, uint128 amount1); +} diff --git a/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/pool/IUniswapV3PoolImmutables.sol b/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/pool/IUniswapV3PoolImmutables.sol new file mode 100644 index 000000000..c9beb151e --- /dev/null +++ b/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/pool/IUniswapV3PoolImmutables.sol @@ -0,0 +1,35 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +pragma solidity >=0.5.0; + +/// @title Pool state that never changes +/// @notice These parameters are fixed for a pool forever, i.e., the methods will always return the same values +interface IUniswapV3PoolImmutables { + /// @notice The contract that deployed the pool, which must adhere to the IUniswapV3Factory interface + /// @return The contract address + function factory() external view returns (address); + + /// @notice The first of the two tokens of the pool, sorted by address + /// @return The token contract address + function token0() external view returns (address); + + /// @notice The second of the two tokens of the pool, sorted by address + /// @return The token contract address + function token1() external view returns (address); + + /// @notice The pool's fee in hundredths of a bip, i.e. 1e-6 + /// @return The fee + function fee() external view returns (uint24); + + /// @notice The pool tick spacing + /// @dev Ticks can only be used at multiples of this value, minimum of 1 and always positive + /// e.g.: a tickSpacing of 3 means ticks can be initialized every 3rd tick, i.e., ..., -6, -3, 0, 3, 6, ... + /// This value is an int24 to avoid casting even though it is always positive. + /// @return The tick spacing + function tickSpacing() external view returns (int24); + + /// @notice The maximum amount of position liquidity that can use any tick in the range + /// @dev This parameter is enforced per tick to prevent liquidity from overflowing a uint128 at any point, and + /// also prevents out-of-range liquidity from being used to prevent adding in-range liquidity to a pool + /// @return The max amount of liquidity per tick + function maxLiquidityPerTick() external view returns (uint128); +} diff --git a/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/pool/IUniswapV3PoolOwnerActions.sol b/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/pool/IUniswapV3PoolOwnerActions.sol new file mode 100644 index 000000000..2395ed321 --- /dev/null +++ b/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/pool/IUniswapV3PoolOwnerActions.sol @@ -0,0 +1,23 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +pragma solidity >=0.5.0; + +/// @title Permissioned pool actions +/// @notice Contains pool methods that may only be called by the factory owner +interface IUniswapV3PoolOwnerActions { + /// @notice Set the denominator of the protocol's % share of the fees + /// @param feeProtocol0 new protocol fee for token0 of the pool + /// @param feeProtocol1 new protocol fee for token1 of the pool + function setFeeProtocol(uint8 feeProtocol0, uint8 feeProtocol1) external; + + /// @notice Collect the protocol fee accrued to the pool + /// @param recipient The address to which collected protocol fees should be sent + /// @param amount0Requested The maximum amount of token0 to send, can be 0 to collect fees in only token1 + /// @param amount1Requested The maximum amount of token1 to send, can be 0 to collect fees in only token0 + /// @return amount0 The protocol fee collected in token0 + /// @return amount1 The protocol fee collected in token1 + function collectProtocol( + address recipient, + uint128 amount0Requested, + uint128 amount1Requested + ) external returns (uint128 amount0, uint128 amount1); +} diff --git a/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/pool/IUniswapV3PoolState.sol b/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/pool/IUniswapV3PoolState.sol new file mode 100644 index 000000000..620256c31 --- /dev/null +++ b/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/pool/IUniswapV3PoolState.sol @@ -0,0 +1,116 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +pragma solidity >=0.5.0; + +/// @title Pool state that can change +/// @notice These methods compose the pool's state, and can change with any frequency including multiple times +/// per transaction +interface IUniswapV3PoolState { + /// @notice The 0th storage slot in the pool stores many values, and is exposed as a single method to save gas + /// when accessed externally. + /// @return sqrtPriceX96 The current price of the pool as a sqrt(token1/token0) Q64.96 value + /// tick The current tick of the pool, i.e. according to the last tick transition that was run. + /// This value may not always be equal to SqrtTickMath.getTickAtSqrtRatio(sqrtPriceX96) if the price is on a tick + /// boundary. + /// observationIndex The index of the last oracle observation that was written, + /// observationCardinality The current maximum number of observations stored in the pool, + /// observationCardinalityNext The next maximum number of observations, to be updated when the observation. + /// feeProtocol The protocol fee for both tokens of the pool. + /// Encoded as two 4 bit values, where the protocol fee of token1 is shifted 4 bits and the protocol fee of token0 + /// is the lower 4 bits. Used as the denominator of a fraction of the swap fee, e.g. 4 means 1/4th of the swap fee. + /// unlocked Whether the pool is currently locked to reentrancy + function slot0() + external + view + returns ( + uint160 sqrtPriceX96, + int24 tick, + uint16 observationIndex, + uint16 observationCardinality, + uint16 observationCardinalityNext, + uint8 feeProtocol, + bool unlocked + ); + + /// @notice The fee growth as a Q128.128 fees of token0 collected per unit of liquidity for the entire life of the pool + /// @dev This value can overflow the uint256 + function feeGrowthGlobal0X128() external view returns (uint256); + + /// @notice The fee growth as a Q128.128 fees of token1 collected per unit of liquidity for the entire life of the pool + /// @dev This value can overflow the uint256 + function feeGrowthGlobal1X128() external view returns (uint256); + + /// @notice The amounts of token0 and token1 that are owed to the protocol + /// @dev Protocol fees will never exceed uint128 max in either token + function protocolFees() external view returns (uint128 token0, uint128 token1); + + /// @notice The currently in range liquidity available to the pool + /// @dev This value has no relationship to the total liquidity across all ticks + function liquidity() external view returns (uint128); + + /// @notice Look up information about a specific tick in the pool + /// @param tick The tick to look up + /// @return liquidityGross the total amount of position liquidity that uses the pool either as tick lower or + /// tick upper, + /// liquidityNet how much liquidity changes when the pool price crosses the tick, + /// feeGrowthOutside0X128 the fee growth on the other side of the tick from the current tick in token0, + /// feeGrowthOutside1X128 the fee growth on the other side of the tick from the current tick in token1, + /// tickCumulativeOutside the cumulative tick value on the other side of the tick from the current tick + /// secondsPerLiquidityOutsideX128 the seconds spent per liquidity on the other side of the tick from the current tick, + /// secondsOutside the seconds spent on the other side of the tick from the current tick, + /// initialized Set to true if the tick is initialized, i.e. liquidityGross is greater than 0, otherwise equal to false. + /// Outside values can only be used if the tick is initialized, i.e. if liquidityGross is greater than 0. + /// In addition, these values are only relative and must be used only in comparison to previous snapshots for + /// a specific position. + function ticks(int24 tick) + external + view + returns ( + uint128 liquidityGross, + int128 liquidityNet, + uint256 feeGrowthOutside0X128, + uint256 feeGrowthOutside1X128, + int56 tickCumulativeOutside, + uint160 secondsPerLiquidityOutsideX128, + uint32 secondsOutside, + bool initialized + ); + + /// @notice Returns 256 packed tick initialized boolean values. See TickBitmap for more information + function tickBitmap(int16 wordPosition) external view returns (uint256); + + /// @notice Returns the information about a position by the position's key + /// @param key The position's key is a hash of a preimage composed by the owner, tickLower and tickUpper + /// @return _liquidity The amount of liquidity in the position, + /// Returns feeGrowthInside0LastX128 fee growth of token0 inside the tick range as of the last mint/burn/poke, + /// Returns feeGrowthInside1LastX128 fee growth of token1 inside the tick range as of the last mint/burn/poke, + /// Returns tokensOwed0 the computed amount of token0 owed to the position as of the last mint/burn/poke, + /// Returns tokensOwed1 the computed amount of token1 owed to the position as of the last mint/burn/poke + function positions(bytes32 key) + external + view + returns ( + uint128 _liquidity, + uint256 feeGrowthInside0LastX128, + uint256 feeGrowthInside1LastX128, + uint128 tokensOwed0, + uint128 tokensOwed1 + ); + + /// @notice Returns data about a specific observation index + /// @param index The element of the observations array to fetch + /// @dev You most likely want to use #observe() instead of this method to get an observation as of some amount of time + /// ago, rather than at a specific index in the array. + /// @return blockTimestamp The timestamp of the observation, + /// Returns tickCumulative the tick multiplied by seconds elapsed for the life of the pool as of the observation timestamp, + /// Returns secondsPerLiquidityCumulativeX128 the seconds per in range liquidity for the life of the pool as of the observation timestamp, + /// Returns initialized whether the observation has been initialized and the values are safe to use + function observations(uint256 index) + external + view + returns ( + uint32 blockTimestamp, + int56 tickCumulative, + uint160 secondsPerLiquidityCumulativeX128, + bool initialized + ); +} diff --git a/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/BitMath.sol b/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/BitMath.sol new file mode 100644 index 000000000..3a7216c7b --- /dev/null +++ b/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/BitMath.sol @@ -0,0 +1,94 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +pragma solidity >=0.5.0; + +/// @title BitMath +/// @dev This library provides functionality for computing bit properties of an unsigned integer +library BitMath { + /// @notice Returns the index of the most significant bit of the number, + /// where the least significant bit is at index 0 and the most significant bit is at index 255 + /// @dev The function satisfies the property: + /// x >= 2**mostSignificantBit(x) and x < 2**(mostSignificantBit(x)+1) + /// @param x the value for which to compute the most significant bit, must be greater than 0 + /// @return r the index of the most significant bit + function mostSignificantBit(uint256 x) internal pure returns (uint8 r) { + require(x > 0); + + if (x >= 0x100000000000000000000000000000000) { + x >>= 128; + r += 128; + } + if (x >= 0x10000000000000000) { + x >>= 64; + r += 64; + } + if (x >= 0x100000000) { + x >>= 32; + r += 32; + } + if (x >= 0x10000) { + x >>= 16; + r += 16; + } + if (x >= 0x100) { + x >>= 8; + r += 8; + } + if (x >= 0x10) { + x >>= 4; + r += 4; + } + if (x >= 0x4) { + x >>= 2; + r += 2; + } + if (x >= 0x2) r += 1; + } + + /// @notice Returns the index of the least significant bit of the number, + /// where the least significant bit is at index 0 and the most significant bit is at index 255 + /// @dev The function satisfies the property: + /// (x & 2**leastSignificantBit(x)) != 0 and (x & (2**(leastSignificantBit(x)) - 1)) == 0) + /// @param x the value for which to compute the least significant bit, must be greater than 0 + /// @return r the index of the least significant bit + function leastSignificantBit(uint256 x) internal pure returns (uint8 r) { + require(x > 0); + + r = 255; + if (x & type(uint128).max > 0) { + r -= 128; + } else { + x >>= 128; + } + if (x & type(uint64).max > 0) { + r -= 64; + } else { + x >>= 64; + } + if (x & type(uint32).max > 0) { + r -= 32; + } else { + x >>= 32; + } + if (x & type(uint16).max > 0) { + r -= 16; + } else { + x >>= 16; + } + if (x & type(uint8).max > 0) { + r -= 8; + } else { + x >>= 8; + } + if (x & 0xf > 0) { + r -= 4; + } else { + x >>= 4; + } + if (x & 0x3 > 0) { + r -= 2; + } else { + x >>= 2; + } + if (x & 0x1 > 0) r -= 1; + } +} diff --git a/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/FixedPoint128.sol b/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/FixedPoint128.sol new file mode 100644 index 000000000..6d6948b10 --- /dev/null +++ b/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/FixedPoint128.sol @@ -0,0 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +pragma solidity >=0.4.0; + +/// @title FixedPoint128 +/// @notice A library for handling binary fixed point numbers, see https://en.wikipedia.org/wiki/Q_(number_format) +library FixedPoint128 { + uint256 internal constant Q128 = 0x100000000000000000000000000000000; +} diff --git a/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/FixedPoint96.sol b/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/FixedPoint96.sol new file mode 100644 index 000000000..63b42c294 --- /dev/null +++ b/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/FixedPoint96.sol @@ -0,0 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +pragma solidity >=0.4.0; + +/// @title FixedPoint96 +/// @notice A library for handling binary fixed point numbers, see https://en.wikipedia.org/wiki/Q_(number_format) +/// @dev Used in SqrtPriceMath.sol +library FixedPoint96 { + uint8 internal constant RESOLUTION = 96; + uint256 internal constant Q96 = 0x1000000000000000000000000; +} diff --git a/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/FullMath.sol b/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/FullMath.sol new file mode 100644 index 000000000..8688a1773 --- /dev/null +++ b/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/FullMath.sol @@ -0,0 +1,124 @@ +// SPDX-License-Identifier: MIT +pragma solidity >=0.4.0; + +/// @title Contains 512-bit math functions +/// @notice Facilitates multiplication and division that can have overflow of an intermediate value without any loss of precision +/// @dev Handles "phantom overflow" i.e., allows multiplication and division where an intermediate value overflows 256 bits +library FullMath { + /// @notice Calculates floor(a×b÷denominator) with full precision. Throws if result overflows a uint256 or denominator == 0 + /// @param a The multiplicand + /// @param b The multiplier + /// @param denominator The divisor + /// @return result The 256-bit result + /// @dev Credit to Remco Bloemen under MIT license https://xn--2-umb.com/21/muldiv + function mulDiv( + uint256 a, + uint256 b, + uint256 denominator + ) internal pure returns (uint256 result) { + // 512-bit multiply [prod1 prod0] = a * b + // Compute the product mod 2**256 and mod 2**256 - 1 + // then use the Chinese Remainder Theorem to reconstruct + // the 512 bit result. The result is stored in two 256 + // variables such that product = prod1 * 2**256 + prod0 + uint256 prod0; // Least significant 256 bits of the product + uint256 prod1; // Most significant 256 bits of the product + assembly { + let mm := mulmod(a, b, not(0)) + prod0 := mul(a, b) + prod1 := sub(sub(mm, prod0), lt(mm, prod0)) + } + + // Handle non-overflow cases, 256 by 256 division + if (prod1 == 0) { + require(denominator > 0); + assembly { + result := div(prod0, denominator) + } + return result; + } + + // Make sure the result is less than 2**256. + // Also prevents denominator == 0 + require(denominator > prod1); + + /////////////////////////////////////////////// + // 512 by 256 division. + /////////////////////////////////////////////// + + // Make division exact by subtracting the remainder from [prod1 prod0] + // Compute remainder using mulmod + uint256 remainder; + assembly { + remainder := mulmod(a, b, denominator) + } + // Subtract 256 bit number from 512 bit number + assembly { + prod1 := sub(prod1, gt(remainder, prod0)) + prod0 := sub(prod0, remainder) + } + + // Factor powers of two out of denominator + // Compute largest power of two divisor of denominator. + // Always >= 1. + uint256 twos = -denominator & denominator; + // Divide denominator by power of two + assembly { + denominator := div(denominator, twos) + } + + // Divide [prod1 prod0] by the factors of two + assembly { + prod0 := div(prod0, twos) + } + // Shift in bits from prod1 into prod0. For this we need + // to flip `twos` such that it is 2**256 / twos. + // If twos is zero, then it becomes one + assembly { + twos := add(div(sub(0, twos), twos), 1) + } + prod0 |= prod1 * twos; + + // Invert denominator mod 2**256 + // Now that denominator is an odd number, it has an inverse + // modulo 2**256 such that denominator * inv = 1 mod 2**256. + // Compute the inverse by starting with a seed that is correct + // correct for four bits. That is, denominator * inv = 1 mod 2**4 + uint256 inv = (3 * denominator) ^ 2; + // Now use Newton-Raphson iteration to improve the precision. + // Thanks to Hensel's lifting lemma, this also works in modular + // arithmetic, doubling the correct bits in each step. + inv *= 2 - denominator * inv; // inverse mod 2**8 + inv *= 2 - denominator * inv; // inverse mod 2**16 + inv *= 2 - denominator * inv; // inverse mod 2**32 + inv *= 2 - denominator * inv; // inverse mod 2**64 + inv *= 2 - denominator * inv; // inverse mod 2**128 + inv *= 2 - denominator * inv; // inverse mod 2**256 + + // Because the division is now exact we can divide by multiplying + // with the modular inverse of denominator. This will give us the + // correct result modulo 2**256. Since the precoditions guarantee + // that the outcome is less than 2**256, this is the final result. + // We don't need to compute the high bits of the result and prod1 + // is no longer required. + result = prod0 * inv; + return result; + } + + /// @notice Calculates ceil(a×b÷denominator) with full precision. Throws if result overflows a uint256 or denominator == 0 + /// @param a The multiplicand + /// @param b The multiplier + /// @param denominator The divisor + /// @return result The 256-bit result + function mulDivRoundingUp( + uint256 a, + uint256 b, + uint256 denominator + ) internal pure returns (uint256 result) { + result = mulDiv(a, b, denominator); + if (mulmod(a, b, denominator) > 0) { + require(result < type(uint256).max); + result++; + } + } +} diff --git a/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/LiquidityMath.sol b/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/LiquidityMath.sol new file mode 100644 index 000000000..d5e23032e --- /dev/null +++ b/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/LiquidityMath.sol @@ -0,0 +1,17 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +pragma solidity >=0.5.0; + +/// @title Math library for liquidity +library LiquidityMath { + /// @notice Add a signed liquidity delta to liquidity and revert if it overflows or underflows + /// @param x The liquidity before change + /// @param y The delta by which liquidity should be changed + /// @return z The liquidity delta + function addDelta(uint128 x, int128 y) internal pure returns (uint128 z) { + if (y < 0) { + require((z = x - uint128(-y)) < x, 'LS'); + } else { + require((z = x + uint128(y)) >= x, 'LA'); + } + } +} diff --git a/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/LowGasSafeMath.sol b/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/LowGasSafeMath.sol new file mode 100644 index 000000000..dbc817c2e --- /dev/null +++ b/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/LowGasSafeMath.sol @@ -0,0 +1,46 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +pragma solidity >=0.7.0; + +/// @title Optimized overflow and underflow safe math operations +/// @notice Contains methods for doing math operations that revert on overflow or underflow for minimal gas cost +library LowGasSafeMath { + /// @notice Returns x + y, reverts if sum overflows uint256 + /// @param x The augend + /// @param y The addend + /// @return z The sum of x and y + function add(uint256 x, uint256 y) internal pure returns (uint256 z) { + require((z = x + y) >= x); + } + + /// @notice Returns x - y, reverts if underflows + /// @param x The minuend + /// @param y The subtrahend + /// @return z The difference of x and y + function sub(uint256 x, uint256 y) internal pure returns (uint256 z) { + require((z = x - y) <= x); + } + + /// @notice Returns x * y, reverts if overflows + /// @param x The multiplicand + /// @param y The multiplier + /// @return z The product of x and y + function mul(uint256 x, uint256 y) internal pure returns (uint256 z) { + require(x == 0 || (z = x * y) / x == y); + } + + /// @notice Returns x + y, reverts if overflows or underflows + /// @param x The augend + /// @param y The addend + /// @return z The sum of x and y + function add(int256 x, int256 y) internal pure returns (int256 z) { + require((z = x + y) >= x == (y >= 0)); + } + + /// @notice Returns x - y, reverts if overflows or underflows + /// @param x The minuend + /// @param y The subtrahend + /// @return z The difference of x and y + function sub(int256 x, int256 y) internal pure returns (int256 z) { + require((z = x - y) <= x == (y >= 0)); + } +} diff --git a/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/Oracle.sol b/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/Oracle.sol new file mode 100644 index 000000000..3f6b3f32c --- /dev/null +++ b/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/Oracle.sol @@ -0,0 +1,325 @@ +// SPDX-License-Identifier: BUSL-1.1 +pragma solidity >=0.5.0; + +/// @title Oracle +/// @notice Provides price and liquidity data useful for a wide variety of system designs +/// @dev Instances of stored oracle data, "observations", are collected in the oracle array +/// Every pool is initialized with an oracle array length of 1. Anyone can pay the SSTOREs to increase the +/// maximum length of the oracle array. New slots will be added when the array is fully populated. +/// Observations are overwritten when the full length of the oracle array is populated. +/// The most recent observation is available, independent of the length of the oracle array, by passing 0 to observe() +library Oracle { + struct Observation { + // the block timestamp of the observation + uint32 blockTimestamp; + // the tick accumulator, i.e. tick * time elapsed since the pool was first initialized + int56 tickCumulative; + // the seconds per liquidity, i.e. seconds elapsed / max(1, liquidity) since the pool was first initialized + uint160 secondsPerLiquidityCumulativeX128; + // whether or not the observation is initialized + bool initialized; + } + + /// @notice Transforms a previous observation into a new observation, given the passage of time and the current tick and liquidity values + /// @dev blockTimestamp _must_ be chronologically equal to or greater than last.blockTimestamp, safe for 0 or 1 overflows + /// @param last The specified observation to be transformed + /// @param blockTimestamp The timestamp of the new observation + /// @param tick The active tick at the time of the new observation + /// @param liquidity The total in-range liquidity at the time of the new observation + /// @return Observation The newly populated observation + function transform( + Observation memory last, + uint32 blockTimestamp, + int24 tick, + uint128 liquidity + ) private pure returns (Observation memory) { + uint32 delta = blockTimestamp - last.blockTimestamp; + return + Observation({ + blockTimestamp: blockTimestamp, + tickCumulative: last.tickCumulative + int56(tick) * delta, + secondsPerLiquidityCumulativeX128: last.secondsPerLiquidityCumulativeX128 + + ((uint160(delta) << 128) / (liquidity > 0 ? liquidity : 1)), + initialized: true + }); + } + + /// @notice Initialize the oracle array by writing the first slot. Called once for the lifecycle of the observations array + /// @param self The stored oracle array + /// @param time The time of the oracle initialization, via block.timestamp truncated to uint32 + /// @return cardinality The number of populated elements in the oracle array + /// @return cardinalityNext The new length of the oracle array, independent of population + function initialize(Observation[65535] storage self, uint32 time) + internal + returns (uint16 cardinality, uint16 cardinalityNext) + { + self[0] = Observation({ + blockTimestamp: time, + tickCumulative: 0, + secondsPerLiquidityCumulativeX128: 0, + initialized: true + }); + return (1, 1); + } + + /// @notice Writes an oracle observation to the array + /// @dev Writable at most once per block. Index represents the most recently written element. cardinality and index must be tracked externally. + /// If the index is at the end of the allowable array length (according to cardinality), and the next cardinality + /// is greater than the current one, cardinality may be increased. This restriction is created to preserve ordering. + /// @param self The stored oracle array + /// @param index The index of the observation that was most recently written to the observations array + /// @param blockTimestamp The timestamp of the new observation + /// @param tick The active tick at the time of the new observation + /// @param liquidity The total in-range liquidity at the time of the new observation + /// @param cardinality The number of populated elements in the oracle array + /// @param cardinalityNext The new length of the oracle array, independent of population + /// @return indexUpdated The new index of the most recently written element in the oracle array + /// @return cardinalityUpdated The new cardinality of the oracle array + function write( + Observation[65535] storage self, + uint16 index, + uint32 blockTimestamp, + int24 tick, + uint128 liquidity, + uint16 cardinality, + uint16 cardinalityNext + ) internal returns (uint16 indexUpdated, uint16 cardinalityUpdated) { + Observation memory last = self[index]; + + // early return if we've already written an observation this block + if (last.blockTimestamp == blockTimestamp) return (index, cardinality); + + // if the conditions are right, we can bump the cardinality + if (cardinalityNext > cardinality && index == (cardinality - 1)) { + cardinalityUpdated = cardinalityNext; + } else { + cardinalityUpdated = cardinality; + } + + indexUpdated = (index + 1) % cardinalityUpdated; + self[indexUpdated] = transform(last, blockTimestamp, tick, liquidity); + } + + /// @notice Prepares the oracle array to store up to `next` observations + /// @param self The stored oracle array + /// @param current The current next cardinality of the oracle array + /// @param next The proposed next cardinality which will be populated in the oracle array + /// @return next The next cardinality which will be populated in the oracle array + function grow( + Observation[65535] storage self, + uint16 current, + uint16 next + ) internal returns (uint16) { + require(current > 0, 'I'); + // no-op if the passed next value isn't greater than the current next value + if (next <= current) return current; + // store in each slot to prevent fresh SSTOREs in swaps + // this data will not be used because the initialized boolean is still false + for (uint16 i = current; i < next; i++) self[i].blockTimestamp = 1; + return next; + } + + /// @notice comparator for 32-bit timestamps + /// @dev safe for 0 or 1 overflows, a and b _must_ be chronologically before or equal to time + /// @param time A timestamp truncated to 32 bits + /// @param a A comparison timestamp from which to determine the relative position of `time` + /// @param b From which to determine the relative position of `time` + /// @return bool Whether `a` is chronologically <= `b` + function lte( + uint32 time, + uint32 a, + uint32 b + ) private pure returns (bool) { + // if there hasn't been overflow, no need to adjust + if (a <= time && b <= time) return a <= b; + + uint256 aAdjusted = a > time ? a : a + 2**32; + uint256 bAdjusted = b > time ? b : b + 2**32; + + return aAdjusted <= bAdjusted; + } + + /// @notice Fetches the observations beforeOrAt and atOrAfter a target, i.e. where [beforeOrAt, atOrAfter] is satisfied. + /// The result may be the same observation, or adjacent observations. + /// @dev The answer must be contained in the array, used when the target is located within the stored observation + /// boundaries: older than the most recent observation and younger, or the same age as, the oldest observation + /// @param self The stored oracle array + /// @param time The current block.timestamp + /// @param target The timestamp at which the reserved observation should be for + /// @param index The index of the observation that was most recently written to the observations array + /// @param cardinality The number of populated elements in the oracle array + /// @return beforeOrAt The observation recorded before, or at, the target + /// @return atOrAfter The observation recorded at, or after, the target + function binarySearch( + Observation[65535] storage self, + uint32 time, + uint32 target, + uint16 index, + uint16 cardinality + ) private view returns (Observation memory beforeOrAt, Observation memory atOrAfter) { + uint256 l = (index + 1) % cardinality; // oldest observation + uint256 r = l + cardinality - 1; // newest observation + uint256 i; + while (true) { + i = (l + r) / 2; + + beforeOrAt = self[i % cardinality]; + + // we've landed on an uninitialized tick, keep searching higher (more recently) + if (!beforeOrAt.initialized) { + l = i + 1; + continue; + } + + atOrAfter = self[(i + 1) % cardinality]; + + bool targetAtOrAfter = lte(time, beforeOrAt.blockTimestamp, target); + + // check if we've found the answer! + if (targetAtOrAfter && lte(time, target, atOrAfter.blockTimestamp)) break; + + if (!targetAtOrAfter) r = i - 1; + else l = i + 1; + } + } + + /// @notice Fetches the observations beforeOrAt and atOrAfter a given target, i.e. where [beforeOrAt, atOrAfter] is satisfied + /// @dev Assumes there is at least 1 initialized observation. + /// Used by observeSingle() to compute the counterfactual accumulator values as of a given block timestamp. + /// @param self The stored oracle array + /// @param time The current block.timestamp + /// @param target The timestamp at which the reserved observation should be for + /// @param tick The active tick at the time of the returned or simulated observation + /// @param index The index of the observation that was most recently written to the observations array + /// @param liquidity The total pool liquidity at the time of the call + /// @param cardinality The number of populated elements in the oracle array + /// @return beforeOrAt The observation which occurred at, or before, the given timestamp + /// @return atOrAfter The observation which occurred at, or after, the given timestamp + function getSurroundingObservations( + Observation[65535] storage self, + uint32 time, + uint32 target, + int24 tick, + uint16 index, + uint128 liquidity, + uint16 cardinality + ) private view returns (Observation memory beforeOrAt, Observation memory atOrAfter) { + // optimistically set before to the newest observation + beforeOrAt = self[index]; + + // if the target is chronologically at or after the newest observation, we can early return + if (lte(time, beforeOrAt.blockTimestamp, target)) { + if (beforeOrAt.blockTimestamp == target) { + // if newest observation equals target, we're in the same block, so we can ignore atOrAfter + return (beforeOrAt, atOrAfter); + } else { + // otherwise, we need to transform + return (beforeOrAt, transform(beforeOrAt, target, tick, liquidity)); + } + } + + // now, set before to the oldest observation + beforeOrAt = self[(index + 1) % cardinality]; + if (!beforeOrAt.initialized) beforeOrAt = self[0]; + + // ensure that the target is chronologically at or after the oldest observation + require(lte(time, beforeOrAt.blockTimestamp, target), 'OLD'); + + // if we've reached this point, we have to binary search + return binarySearch(self, time, target, index, cardinality); + } + + /// @dev Reverts if an observation at or before the desired observation timestamp does not exist. + /// 0 may be passed as `secondsAgo' to return the current cumulative values. + /// If called with a timestamp falling between two observations, returns the counterfactual accumulator values + /// at exactly the timestamp between the two observations. + /// @param self The stored oracle array + /// @param time The current block timestamp + /// @param secondsAgo The amount of time to look back, in seconds, at which point to return an observation + /// @param tick The current tick + /// @param index The index of the observation that was most recently written to the observations array + /// @param liquidity The current in-range pool liquidity + /// @param cardinality The number of populated elements in the oracle array + /// @return tickCumulative The tick * time elapsed since the pool was first initialized, as of `secondsAgo` + /// @return secondsPerLiquidityCumulativeX128 The time elapsed / max(1, liquidity) since the pool was first initialized, as of `secondsAgo` + function observeSingle( + Observation[65535] storage self, + uint32 time, + uint32 secondsAgo, + int24 tick, + uint16 index, + uint128 liquidity, + uint16 cardinality + ) internal view returns (int56 tickCumulative, uint160 secondsPerLiquidityCumulativeX128) { + if (secondsAgo == 0) { + Observation memory last = self[index]; + if (last.blockTimestamp != time) last = transform(last, time, tick, liquidity); + return (last.tickCumulative, last.secondsPerLiquidityCumulativeX128); + } + + uint32 target = time - secondsAgo; + + (Observation memory beforeOrAt, Observation memory atOrAfter) = + getSurroundingObservations(self, time, target, tick, index, liquidity, cardinality); + + if (target == beforeOrAt.blockTimestamp) { + // we're at the left boundary + return (beforeOrAt.tickCumulative, beforeOrAt.secondsPerLiquidityCumulativeX128); + } else if (target == atOrAfter.blockTimestamp) { + // we're at the right boundary + return (atOrAfter.tickCumulative, atOrAfter.secondsPerLiquidityCumulativeX128); + } else { + // we're in the middle + uint32 observationTimeDelta = atOrAfter.blockTimestamp - beforeOrAt.blockTimestamp; + uint32 targetDelta = target - beforeOrAt.blockTimestamp; + return ( + beforeOrAt.tickCumulative + + ((atOrAfter.tickCumulative - beforeOrAt.tickCumulative) / observationTimeDelta) * + targetDelta, + beforeOrAt.secondsPerLiquidityCumulativeX128 + + uint160( + (uint256( + atOrAfter.secondsPerLiquidityCumulativeX128 - beforeOrAt.secondsPerLiquidityCumulativeX128 + ) * targetDelta) / observationTimeDelta + ) + ); + } + } + + /// @notice Returns the accumulator values as of each time seconds ago from the given time in the array of `secondsAgos` + /// @dev Reverts if `secondsAgos` > oldest observation + /// @param self The stored oracle array + /// @param time The current block.timestamp + /// @param secondsAgos Each amount of time to look back, in seconds, at which point to return an observation + /// @param tick The current tick + /// @param index The index of the observation that was most recently written to the observations array + /// @param liquidity The current in-range pool liquidity + /// @param cardinality The number of populated elements in the oracle array + /// @return tickCumulatives The tick * time elapsed since the pool was first initialized, as of each `secondsAgo` + /// @return secondsPerLiquidityCumulativeX128s The cumulative seconds / max(1, liquidity) since the pool was first initialized, as of each `secondsAgo` + function observe( + Observation[65535] storage self, + uint32 time, + uint32[] memory secondsAgos, + int24 tick, + uint16 index, + uint128 liquidity, + uint16 cardinality + ) internal view returns (int56[] memory tickCumulatives, uint160[] memory secondsPerLiquidityCumulativeX128s) { + require(cardinality > 0, 'I'); + + tickCumulatives = new int56[](secondsAgos.length); + secondsPerLiquidityCumulativeX128s = new uint160[](secondsAgos.length); + for (uint256 i = 0; i < secondsAgos.length; i++) { + (tickCumulatives[i], secondsPerLiquidityCumulativeX128s[i]) = observeSingle( + self, + time, + secondsAgos[i], + tick, + index, + liquidity, + cardinality + ); + } + } +} diff --git a/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/Position.sol b/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/Position.sol new file mode 100644 index 000000000..1c67c7f27 --- /dev/null +++ b/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/Position.sol @@ -0,0 +1,88 @@ +// SPDX-License-Identifier: BUSL-1.1 +pragma solidity >=0.5.0; + +import './FullMath.sol'; +import './FixedPoint128.sol'; +import './LiquidityMath.sol'; + +/// @title Position +/// @notice Positions represent an owner address' liquidity between a lower and upper tick boundary +/// @dev Positions store additional state for tracking fees owed to the position +library Position { + // info stored for each user's position + struct Info { + // the amount of liquidity owned by this position + uint128 liquidity; + // fee growth per unit of liquidity as of the last update to liquidity or fees owed + uint256 feeGrowthInside0LastX128; + uint256 feeGrowthInside1LastX128; + // the fees owed to the position owner in token0/token1 + uint128 tokensOwed0; + uint128 tokensOwed1; + } + + /// @notice Returns the Info struct of a position, given an owner and position boundaries + /// @param self The mapping containing all user positions + /// @param owner The address of the position owner + /// @param tickLower The lower tick boundary of the position + /// @param tickUpper The upper tick boundary of the position + /// @return position The position info struct of the given owners' position + function get( + mapping(bytes32 => Info) storage self, + address owner, + int24 tickLower, + int24 tickUpper + ) internal view returns (Position.Info storage position) { + position = self[keccak256(abi.encodePacked(owner, tickLower, tickUpper))]; + } + + /// @notice Credits accumulated fees to a user's position + /// @param self The individual position to update + /// @param liquidityDelta The change in pool liquidity as a result of the position update + /// @param feeGrowthInside0X128 The all-time fee growth in token0, per unit of liquidity, inside the position's tick boundaries + /// @param feeGrowthInside1X128 The all-time fee growth in token1, per unit of liquidity, inside the position's tick boundaries + function update( + Info storage self, + int128 liquidityDelta, + uint256 feeGrowthInside0X128, + uint256 feeGrowthInside1X128 + ) internal { + Info memory _self = self; + + uint128 liquidityNext; + if (liquidityDelta == 0) { + require(_self.liquidity > 0, 'NP'); // disallow pokes for 0 liquidity positions + liquidityNext = _self.liquidity; + } else { + liquidityNext = LiquidityMath.addDelta(_self.liquidity, liquidityDelta); + } + + // calculate accumulated fees + uint128 tokensOwed0 = + uint128( + FullMath.mulDiv( + feeGrowthInside0X128 - _self.feeGrowthInside0LastX128, + _self.liquidity, + FixedPoint128.Q128 + ) + ); + uint128 tokensOwed1 = + uint128( + FullMath.mulDiv( + feeGrowthInside1X128 - _self.feeGrowthInside1LastX128, + _self.liquidity, + FixedPoint128.Q128 + ) + ); + + // update the position + if (liquidityDelta != 0) self.liquidity = liquidityNext; + self.feeGrowthInside0LastX128 = feeGrowthInside0X128; + self.feeGrowthInside1LastX128 = feeGrowthInside1X128; + if (tokensOwed0 > 0 || tokensOwed1 > 0) { + // overflow is acceptable, have to withdraw before you hit type(uint128).max fees + self.tokensOwed0 += tokensOwed0; + self.tokensOwed1 += tokensOwed1; + } + } +} diff --git a/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/SafeCast.sol b/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/SafeCast.sol new file mode 100644 index 000000000..a8ea22987 --- /dev/null +++ b/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/SafeCast.sol @@ -0,0 +1,28 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +pragma solidity >=0.5.0; + +/// @title Safe casting methods +/// @notice Contains methods for safely casting between types +library SafeCast { + /// @notice Cast a uint256 to a uint160, revert on overflow + /// @param y The uint256 to be downcasted + /// @return z The downcasted integer, now type uint160 + function toUint160(uint256 y) internal pure returns (uint160 z) { + require((z = uint160(y)) == y); + } + + /// @notice Cast a int256 to a int128, revert on overflow or underflow + /// @param y The int256 to be downcasted + /// @return z The downcasted integer, now type int128 + function toInt128(int256 y) internal pure returns (int128 z) { + require((z = int128(y)) == y); + } + + /// @notice Cast a uint256 to a int256, revert on overflow + /// @param y The uint256 to be casted + /// @return z The casted integer, now type int256 + function toInt256(uint256 y) internal pure returns (int256 z) { + require(y < 2**255); + z = int256(y); + } +} diff --git a/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/SqrtPriceMath.sol b/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/SqrtPriceMath.sol new file mode 100644 index 000000000..685f485da --- /dev/null +++ b/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/SqrtPriceMath.sol @@ -0,0 +1,227 @@ +// SPDX-License-Identifier: BUSL-1.1 +pragma solidity >=0.5.0; + +import './LowGasSafeMath.sol'; +import './SafeCast.sol'; + +import './FullMath.sol'; +import './UnsafeMath.sol'; +import './FixedPoint96.sol'; + +/// @title Functions based on Q64.96 sqrt price and liquidity +/// @notice Contains the math that uses square root of price as a Q64.96 and liquidity to compute deltas +library SqrtPriceMath { + using LowGasSafeMath for uint256; + using SafeCast for uint256; + + /// @notice Gets the next sqrt price given a delta of token0 + /// @dev Always rounds up, because in the exact output case (increasing price) we need to move the price at least + /// far enough to get the desired output amount, and in the exact input case (decreasing price) we need to move the + /// price less in order to not send too much output. + /// The most precise formula for this is liquidity * sqrtPX96 / (liquidity +- amount * sqrtPX96), + /// if this is impossible because of overflow, we calculate liquidity / (liquidity / sqrtPX96 +- amount). + /// @param sqrtPX96 The starting price, i.e. before accounting for the token0 delta + /// @param liquidity The amount of usable liquidity + /// @param amount How much of token0 to add or remove from virtual reserves + /// @param add Whether to add or remove the amount of token0 + /// @return The price after adding or removing amount, depending on add + function getNextSqrtPriceFromAmount0RoundingUp( + uint160 sqrtPX96, + uint128 liquidity, + uint256 amount, + bool add + ) internal pure returns (uint160) { + // we short circuit amount == 0 because the result is otherwise not guaranteed to equal the input price + if (amount == 0) return sqrtPX96; + uint256 numerator1 = uint256(liquidity) << FixedPoint96.RESOLUTION; + + if (add) { + uint256 product; + if ((product = amount * sqrtPX96) / amount == sqrtPX96) { + uint256 denominator = numerator1 + product; + if (denominator >= numerator1) + // always fits in 160 bits + return uint160(FullMath.mulDivRoundingUp(numerator1, sqrtPX96, denominator)); + } + + return uint160(UnsafeMath.divRoundingUp(numerator1, (numerator1 / sqrtPX96).add(amount))); + } else { + uint256 product; + // if the product overflows, we know the denominator underflows + // in addition, we must check that the denominator does not underflow + require((product = amount * sqrtPX96) / amount == sqrtPX96 && numerator1 > product); + uint256 denominator = numerator1 - product; + return FullMath.mulDivRoundingUp(numerator1, sqrtPX96, denominator).toUint160(); + } + } + + /// @notice Gets the next sqrt price given a delta of token1 + /// @dev Always rounds down, because in the exact output case (decreasing price) we need to move the price at least + /// far enough to get the desired output amount, and in the exact input case (increasing price) we need to move the + /// price less in order to not send too much output. + /// The formula we compute is within <1 wei of the lossless version: sqrtPX96 +- amount / liquidity + /// @param sqrtPX96 The starting price, i.e., before accounting for the token1 delta + /// @param liquidity The amount of usable liquidity + /// @param amount How much of token1 to add, or remove, from virtual reserves + /// @param add Whether to add, or remove, the amount of token1 + /// @return The price after adding or removing `amount` + function getNextSqrtPriceFromAmount1RoundingDown( + uint160 sqrtPX96, + uint128 liquidity, + uint256 amount, + bool add + ) internal pure returns (uint160) { + // if we're adding (subtracting), rounding down requires rounding the quotient down (up) + // in both cases, avoid a mulDiv for most inputs + if (add) { + uint256 quotient = + ( + amount <= type(uint160).max + ? (amount << FixedPoint96.RESOLUTION) / liquidity + : FullMath.mulDiv(amount, FixedPoint96.Q96, liquidity) + ); + + return uint256(sqrtPX96).add(quotient).toUint160(); + } else { + uint256 quotient = + ( + amount <= type(uint160).max + ? UnsafeMath.divRoundingUp(amount << FixedPoint96.RESOLUTION, liquidity) + : FullMath.mulDivRoundingUp(amount, FixedPoint96.Q96, liquidity) + ); + + require(sqrtPX96 > quotient); + // always fits 160 bits + return uint160(sqrtPX96 - quotient); + } + } + + /// @notice Gets the next sqrt price given an input amount of token0 or token1 + /// @dev Throws if price or liquidity are 0, or if the next price is out of bounds + /// @param sqrtPX96 The starting price, i.e., before accounting for the input amount + /// @param liquidity The amount of usable liquidity + /// @param amountIn How much of token0, or token1, is being swapped in + /// @param zeroForOne Whether the amount in is token0 or token1 + /// @return sqrtQX96 The price after adding the input amount to token0 or token1 + function getNextSqrtPriceFromInput( + uint160 sqrtPX96, + uint128 liquidity, + uint256 amountIn, + bool zeroForOne + ) internal pure returns (uint160 sqrtQX96) { + require(sqrtPX96 > 0); + require(liquidity > 0); + + // round to make sure that we don't pass the target price + return + zeroForOne + ? getNextSqrtPriceFromAmount0RoundingUp(sqrtPX96, liquidity, amountIn, true) + : getNextSqrtPriceFromAmount1RoundingDown(sqrtPX96, liquidity, amountIn, true); + } + + /// @notice Gets the next sqrt price given an output amount of token0 or token1 + /// @dev Throws if price or liquidity are 0 or the next price is out of bounds + /// @param sqrtPX96 The starting price before accounting for the output amount + /// @param liquidity The amount of usable liquidity + /// @param amountOut How much of token0, or token1, is being swapped out + /// @param zeroForOne Whether the amount out is token0 or token1 + /// @return sqrtQX96 The price after removing the output amount of token0 or token1 + function getNextSqrtPriceFromOutput( + uint160 sqrtPX96, + uint128 liquidity, + uint256 amountOut, + bool zeroForOne + ) internal pure returns (uint160 sqrtQX96) { + require(sqrtPX96 > 0); + require(liquidity > 0); + + // round to make sure that we pass the target price + return + zeroForOne + ? getNextSqrtPriceFromAmount1RoundingDown(sqrtPX96, liquidity, amountOut, false) + : getNextSqrtPriceFromAmount0RoundingUp(sqrtPX96, liquidity, amountOut, false); + } + + /// @notice Gets the amount0 delta between two prices + /// @dev Calculates liquidity / sqrt(lower) - liquidity / sqrt(upper), + /// i.e. liquidity * (sqrt(upper) - sqrt(lower)) / (sqrt(upper) * sqrt(lower)) + /// @param sqrtRatioAX96 A sqrt price + /// @param sqrtRatioBX96 Another sqrt price + /// @param liquidity The amount of usable liquidity + /// @param roundUp Whether to round the amount up or down + /// @return amount0 Amount of token0 required to cover a position of size liquidity between the two passed prices + function getAmount0Delta( + uint160 sqrtRatioAX96, + uint160 sqrtRatioBX96, + uint128 liquidity, + bool roundUp + ) internal pure returns (uint256 amount0) { + if (sqrtRatioAX96 > sqrtRatioBX96) (sqrtRatioAX96, sqrtRatioBX96) = (sqrtRatioBX96, sqrtRatioAX96); + + uint256 numerator1 = uint256(liquidity) << FixedPoint96.RESOLUTION; + uint256 numerator2 = sqrtRatioBX96 - sqrtRatioAX96; + + require(sqrtRatioAX96 > 0); + + return + roundUp + ? UnsafeMath.divRoundingUp( + FullMath.mulDivRoundingUp(numerator1, numerator2, sqrtRatioBX96), + sqrtRatioAX96 + ) + : FullMath.mulDiv(numerator1, numerator2, sqrtRatioBX96) / sqrtRatioAX96; + } + + /// @notice Gets the amount1 delta between two prices + /// @dev Calculates liquidity * (sqrt(upper) - sqrt(lower)) + /// @param sqrtRatioAX96 A sqrt price + /// @param sqrtRatioBX96 Another sqrt price + /// @param liquidity The amount of usable liquidity + /// @param roundUp Whether to round the amount up, or down + /// @return amount1 Amount of token1 required to cover a position of size liquidity between the two passed prices + function getAmount1Delta( + uint160 sqrtRatioAX96, + uint160 sqrtRatioBX96, + uint128 liquidity, + bool roundUp + ) internal pure returns (uint256 amount1) { + if (sqrtRatioAX96 > sqrtRatioBX96) (sqrtRatioAX96, sqrtRatioBX96) = (sqrtRatioBX96, sqrtRatioAX96); + + return + roundUp + ? FullMath.mulDivRoundingUp(liquidity, sqrtRatioBX96 - sqrtRatioAX96, FixedPoint96.Q96) + : FullMath.mulDiv(liquidity, sqrtRatioBX96 - sqrtRatioAX96, FixedPoint96.Q96); + } + + /// @notice Helper that gets signed token0 delta + /// @param sqrtRatioAX96 A sqrt price + /// @param sqrtRatioBX96 Another sqrt price + /// @param liquidity The change in liquidity for which to compute the amount0 delta + /// @return amount0 Amount of token0 corresponding to the passed liquidityDelta between the two prices + function getAmount0Delta( + uint160 sqrtRatioAX96, + uint160 sqrtRatioBX96, + int128 liquidity + ) internal pure returns (int256 amount0) { + return + liquidity < 0 + ? -getAmount0Delta(sqrtRatioAX96, sqrtRatioBX96, uint128(-liquidity), false).toInt256() + : getAmount0Delta(sqrtRatioAX96, sqrtRatioBX96, uint128(liquidity), true).toInt256(); + } + + /// @notice Helper that gets signed token1 delta + /// @param sqrtRatioAX96 A sqrt price + /// @param sqrtRatioBX96 Another sqrt price + /// @param liquidity The change in liquidity for which to compute the amount1 delta + /// @return amount1 Amount of token1 corresponding to the passed liquidityDelta between the two prices + function getAmount1Delta( + uint160 sqrtRatioAX96, + uint160 sqrtRatioBX96, + int128 liquidity + ) internal pure returns (int256 amount1) { + return + liquidity < 0 + ? -getAmount1Delta(sqrtRatioAX96, sqrtRatioBX96, uint128(-liquidity), false).toInt256() + : getAmount1Delta(sqrtRatioAX96, sqrtRatioBX96, uint128(liquidity), true).toInt256(); + } +} diff --git a/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/SwapMath.sol b/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/SwapMath.sol new file mode 100644 index 000000000..ee176fbee --- /dev/null +++ b/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/SwapMath.sol @@ -0,0 +1,98 @@ +// SPDX-License-Identifier: BUSL-1.1 +pragma solidity >=0.5.0; + +import './FullMath.sol'; +import './SqrtPriceMath.sol'; + +/// @title Computes the result of a swap within ticks +/// @notice Contains methods for computing the result of a swap within a single tick price range, i.e., a single tick. +library SwapMath { + /// @notice Computes the result of swapping some amount in, or amount out, given the parameters of the swap + /// @dev The fee, plus the amount in, will never exceed the amount remaining if the swap's `amountSpecified` is positive + /// @param sqrtRatioCurrentX96 The current sqrt price of the pool + /// @param sqrtRatioTargetX96 The price that cannot be exceeded, from which the direction of the swap is inferred + /// @param liquidity The usable liquidity + /// @param amountRemaining How much input or output amount is remaining to be swapped in/out + /// @param feePips The fee taken from the input amount, expressed in hundredths of a bip + /// @return sqrtRatioNextX96 The price after swapping the amount in/out, not to exceed the price target + /// @return amountIn The amount to be swapped in, of either token0 or token1, based on the direction of the swap + /// @return amountOut The amount to be received, of either token0 or token1, based on the direction of the swap + /// @return feeAmount The amount of input that will be taken as a fee + function computeSwapStep( + uint160 sqrtRatioCurrentX96, + uint160 sqrtRatioTargetX96, + uint128 liquidity, + int256 amountRemaining, + uint24 feePips + ) + internal + pure + returns ( + uint160 sqrtRatioNextX96, + uint256 amountIn, + uint256 amountOut, + uint256 feeAmount + ) + { + bool zeroForOne = sqrtRatioCurrentX96 >= sqrtRatioTargetX96; + bool exactIn = amountRemaining >= 0; + + if (exactIn) { + uint256 amountRemainingLessFee = FullMath.mulDiv(uint256(amountRemaining), 1e6 - feePips, 1e6); + amountIn = zeroForOne + ? SqrtPriceMath.getAmount0Delta(sqrtRatioTargetX96, sqrtRatioCurrentX96, liquidity, true) + : SqrtPriceMath.getAmount1Delta(sqrtRatioCurrentX96, sqrtRatioTargetX96, liquidity, true); + if (amountRemainingLessFee >= amountIn) sqrtRatioNextX96 = sqrtRatioTargetX96; + else + sqrtRatioNextX96 = SqrtPriceMath.getNextSqrtPriceFromInput( + sqrtRatioCurrentX96, + liquidity, + amountRemainingLessFee, + zeroForOne + ); + } else { + amountOut = zeroForOne + ? SqrtPriceMath.getAmount1Delta(sqrtRatioTargetX96, sqrtRatioCurrentX96, liquidity, false) + : SqrtPriceMath.getAmount0Delta(sqrtRatioCurrentX96, sqrtRatioTargetX96, liquidity, false); + if (uint256(-amountRemaining) >= amountOut) sqrtRatioNextX96 = sqrtRatioTargetX96; + else + sqrtRatioNextX96 = SqrtPriceMath.getNextSqrtPriceFromOutput( + sqrtRatioCurrentX96, + liquidity, + uint256(-amountRemaining), + zeroForOne + ); + } + + bool max = sqrtRatioTargetX96 == sqrtRatioNextX96; + + // get the input/output amounts + if (zeroForOne) { + amountIn = max && exactIn + ? amountIn + : SqrtPriceMath.getAmount0Delta(sqrtRatioNextX96, sqrtRatioCurrentX96, liquidity, true); + amountOut = max && !exactIn + ? amountOut + : SqrtPriceMath.getAmount1Delta(sqrtRatioNextX96, sqrtRatioCurrentX96, liquidity, false); + } else { + amountIn = max && exactIn + ? amountIn + : SqrtPriceMath.getAmount1Delta(sqrtRatioCurrentX96, sqrtRatioNextX96, liquidity, true); + amountOut = max && !exactIn + ? amountOut + : SqrtPriceMath.getAmount0Delta(sqrtRatioCurrentX96, sqrtRatioNextX96, liquidity, false); + } + + // cap the output amount to not exceed the remaining output amount + if (!exactIn && amountOut > uint256(-amountRemaining)) { + amountOut = uint256(-amountRemaining); + } + + if (exactIn && sqrtRatioNextX96 != sqrtRatioTargetX96) { + // we didn't reach the target, so take the remainder of the maximum input as fee + feeAmount = uint256(amountRemaining) - amountIn; + } else { + feeAmount = FullMath.mulDivRoundingUp(amountIn, feePips, 1e6 - feePips); + } + } +} diff --git a/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/Tick.sol b/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/Tick.sol new file mode 100644 index 000000000..13d342849 --- /dev/null +++ b/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/Tick.sol @@ -0,0 +1,183 @@ +// SPDX-License-Identifier: BUSL-1.1 +pragma solidity >=0.5.0; + +import './LowGasSafeMath.sol'; +import './SafeCast.sol'; + +import './TickMath.sol'; +import './LiquidityMath.sol'; + +/// @title Tick +/// @notice Contains functions for managing tick processes and relevant calculations +library Tick { + using LowGasSafeMath for int256; + using SafeCast for int256; + + // info stored for each initialized individual tick + struct Info { + // the total position liquidity that references this tick + uint128 liquidityGross; + // amount of net liquidity added (subtracted) when tick is crossed from left to right (right to left), + int128 liquidityNet; + // fee growth per unit of liquidity on the _other_ side of this tick (relative to the current tick) + // only has relative meaning, not absolute — the value depends on when the tick is initialized + uint256 feeGrowthOutside0X128; + uint256 feeGrowthOutside1X128; + // the cumulative tick value on the other side of the tick + int56 tickCumulativeOutside; + // the seconds per unit of liquidity on the _other_ side of this tick (relative to the current tick) + // only has relative meaning, not absolute — the value depends on when the tick is initialized + uint160 secondsPerLiquidityOutsideX128; + // the seconds spent on the other side of the tick (relative to the current tick) + // only has relative meaning, not absolute — the value depends on when the tick is initialized + uint32 secondsOutside; + // true iff the tick is initialized, i.e. the value is exactly equivalent to the expression liquidityGross != 0 + // these 8 bits are set to prevent fresh sstores when crossing newly initialized ticks + bool initialized; + } + + /// @notice Derives max liquidity per tick from given tick spacing + /// @dev Executed within the pool constructor + /// @param tickSpacing The amount of required tick separation, realized in multiples of `tickSpacing` + /// e.g., a tickSpacing of 3 requires ticks to be initialized every 3rd tick i.e., ..., -6, -3, 0, 3, 6, ... + /// @return The max liquidity per tick + function tickSpacingToMaxLiquidityPerTick(int24 tickSpacing) internal pure returns (uint128) { + int24 minTick = (TickMath.MIN_TICK / tickSpacing) * tickSpacing; + int24 maxTick = (TickMath.MAX_TICK / tickSpacing) * tickSpacing; + uint24 numTicks = uint24((maxTick - minTick) / tickSpacing) + 1; + return type(uint128).max / numTicks; + } + + /// @notice Retrieves fee growth data + /// @param self The mapping containing all tick information for initialized ticks + /// @param tickLower The lower tick boundary of the position + /// @param tickUpper The upper tick boundary of the position + /// @param tickCurrent The current tick + /// @param feeGrowthGlobal0X128 The all-time global fee growth, per unit of liquidity, in token0 + /// @param feeGrowthGlobal1X128 The all-time global fee growth, per unit of liquidity, in token1 + /// @return feeGrowthInside0X128 The all-time fee growth in token0, per unit of liquidity, inside the position's tick boundaries + /// @return feeGrowthInside1X128 The all-time fee growth in token1, per unit of liquidity, inside the position's tick boundaries + function getFeeGrowthInside( + mapping(int24 => Tick.Info) storage self, + int24 tickLower, + int24 tickUpper, + int24 tickCurrent, + uint256 feeGrowthGlobal0X128, + uint256 feeGrowthGlobal1X128 + ) internal view returns (uint256 feeGrowthInside0X128, uint256 feeGrowthInside1X128) { + Info storage lower = self[tickLower]; + Info storage upper = self[tickUpper]; + + // calculate fee growth below + uint256 feeGrowthBelow0X128; + uint256 feeGrowthBelow1X128; + if (tickCurrent >= tickLower) { + feeGrowthBelow0X128 = lower.feeGrowthOutside0X128; + feeGrowthBelow1X128 = lower.feeGrowthOutside1X128; + } else { + feeGrowthBelow0X128 = feeGrowthGlobal0X128 - lower.feeGrowthOutside0X128; + feeGrowthBelow1X128 = feeGrowthGlobal1X128 - lower.feeGrowthOutside1X128; + } + + // calculate fee growth above + uint256 feeGrowthAbove0X128; + uint256 feeGrowthAbove1X128; + if (tickCurrent < tickUpper) { + feeGrowthAbove0X128 = upper.feeGrowthOutside0X128; + feeGrowthAbove1X128 = upper.feeGrowthOutside1X128; + } else { + feeGrowthAbove0X128 = feeGrowthGlobal0X128 - upper.feeGrowthOutside0X128; + feeGrowthAbove1X128 = feeGrowthGlobal1X128 - upper.feeGrowthOutside1X128; + } + + feeGrowthInside0X128 = feeGrowthGlobal0X128 - feeGrowthBelow0X128 - feeGrowthAbove0X128; + feeGrowthInside1X128 = feeGrowthGlobal1X128 - feeGrowthBelow1X128 - feeGrowthAbove1X128; + } + + /// @notice Updates a tick and returns true if the tick was flipped from initialized to uninitialized, or vice versa + /// @param self The mapping containing all tick information for initialized ticks + /// @param tick The tick that will be updated + /// @param tickCurrent The current tick + /// @param liquidityDelta A new amount of liquidity to be added (subtracted) when tick is crossed from left to right (right to left) + /// @param feeGrowthGlobal0X128 The all-time global fee growth, per unit of liquidity, in token0 + /// @param feeGrowthGlobal1X128 The all-time global fee growth, per unit of liquidity, in token1 + /// @param secondsPerLiquidityCumulativeX128 The all-time seconds per max(1, liquidity) of the pool + /// @param time The current block timestamp cast to a uint32 + /// @param upper true for updating a position's upper tick, or false for updating a position's lower tick + /// @param maxLiquidity The maximum liquidity allocation for a single tick + /// @return flipped Whether the tick was flipped from initialized to uninitialized, or vice versa + function update( + mapping(int24 => Tick.Info) storage self, + int24 tick, + int24 tickCurrent, + int128 liquidityDelta, + uint256 feeGrowthGlobal0X128, + uint256 feeGrowthGlobal1X128, + uint160 secondsPerLiquidityCumulativeX128, + int56 tickCumulative, + uint32 time, + bool upper, + uint128 maxLiquidity + ) internal returns (bool flipped) { + Tick.Info storage info = self[tick]; + + uint128 liquidityGrossBefore = info.liquidityGross; + uint128 liquidityGrossAfter = LiquidityMath.addDelta(liquidityGrossBefore, liquidityDelta); + + require(liquidityGrossAfter <= maxLiquidity, 'LO'); + + flipped = (liquidityGrossAfter == 0) != (liquidityGrossBefore == 0); + + if (liquidityGrossBefore == 0) { + // by convention, we assume that all growth before a tick was initialized happened _below_ the tick + if (tick <= tickCurrent) { + info.feeGrowthOutside0X128 = feeGrowthGlobal0X128; + info.feeGrowthOutside1X128 = feeGrowthGlobal1X128; + info.secondsPerLiquidityOutsideX128 = secondsPerLiquidityCumulativeX128; + info.tickCumulativeOutside = tickCumulative; + info.secondsOutside = time; + } + info.initialized = true; + } + + info.liquidityGross = liquidityGrossAfter; + + // when the lower (upper) tick is crossed left to right (right to left), liquidity must be added (removed) + info.liquidityNet = upper + ? int256(info.liquidityNet).sub(liquidityDelta).toInt128() + : int256(info.liquidityNet).add(liquidityDelta).toInt128(); + } + + /// @notice Clears tick data + /// @param self The mapping containing all initialized tick information for initialized ticks + /// @param tick The tick that will be cleared + function clear(mapping(int24 => Tick.Info) storage self, int24 tick) internal { + delete self[tick]; + } + + /// @notice Transitions to next tick as needed by price movement + /// @param self The mapping containing all tick information for initialized ticks + /// @param tick The destination tick of the transition + /// @param feeGrowthGlobal0X128 The all-time global fee growth, per unit of liquidity, in token0 + /// @param feeGrowthGlobal1X128 The all-time global fee growth, per unit of liquidity, in token1 + /// @param secondsPerLiquidityCumulativeX128 The current seconds per liquidity + /// @param time The current block.timestamp + /// @return liquidityNet The amount of liquidity added (subtracted) when tick is crossed from left to right (right to left) + function cross( + mapping(int24 => Tick.Info) storage self, + int24 tick, + uint256 feeGrowthGlobal0X128, + uint256 feeGrowthGlobal1X128, + uint160 secondsPerLiquidityCumulativeX128, + int56 tickCumulative, + uint32 time + ) internal returns (int128 liquidityNet) { + Tick.Info storage info = self[tick]; + info.feeGrowthOutside0X128 = feeGrowthGlobal0X128 - info.feeGrowthOutside0X128; + info.feeGrowthOutside1X128 = feeGrowthGlobal1X128 - info.feeGrowthOutside1X128; + info.secondsPerLiquidityOutsideX128 = secondsPerLiquidityCumulativeX128 - info.secondsPerLiquidityOutsideX128; + info.tickCumulativeOutside = tickCumulative - info.tickCumulativeOutside; + info.secondsOutside = time - info.secondsOutside; + liquidityNet = info.liquidityNet; + } +} diff --git a/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/TickBitmap.sol b/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/TickBitmap.sol new file mode 100644 index 000000000..3c4358577 --- /dev/null +++ b/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/TickBitmap.sol @@ -0,0 +1,78 @@ +// SPDX-License-Identifier: BUSL-1.1 +pragma solidity >=0.5.0; + +import './BitMath.sol'; + +/// @title Packed tick initialized state library +/// @notice Stores a packed mapping of tick index to its initialized state +/// @dev The mapping uses int16 for keys since ticks are represented as int24 and there are 256 (2^8) values per word. +library TickBitmap { + /// @notice Computes the position in the mapping where the initialized bit for a tick lives + /// @param tick The tick for which to compute the position + /// @return wordPos The key in the mapping containing the word in which the bit is stored + /// @return bitPos The bit position in the word where the flag is stored + function position(int24 tick) private pure returns (int16 wordPos, uint8 bitPos) { + wordPos = int16(tick >> 8); + bitPos = uint8(tick % 256); + } + + /// @notice Flips the initialized state for a given tick from false to true, or vice versa + /// @param self The mapping in which to flip the tick + /// @param tick The tick to flip + /// @param tickSpacing The spacing between usable ticks + function flipTick( + mapping(int16 => uint256) storage self, + int24 tick, + int24 tickSpacing + ) internal { + require(tick % tickSpacing == 0); // ensure that the tick is spaced + (int16 wordPos, uint8 bitPos) = position(tick / tickSpacing); + uint256 mask = 1 << bitPos; + self[wordPos] ^= mask; + } + + /// @notice Returns the next initialized tick contained in the same word (or adjacent word) as the tick that is either + /// to the left (less than or equal to) or right (greater than) of the given tick + /// @param self The mapping in which to compute the next initialized tick + /// @param tick The starting tick + /// @param tickSpacing The spacing between usable ticks + /// @param lte Whether to search for the next initialized tick to the left (less than or equal to the starting tick) + /// @return next The next initialized or uninitialized tick up to 256 ticks away from the current tick + /// @return initialized Whether the next tick is initialized, as the function only searches within up to 256 ticks + function nextInitializedTickWithinOneWord( + mapping(int16 => uint256) storage self, + int24 tick, + int24 tickSpacing, + bool lte + ) internal view returns (int24 next, bool initialized) { + int24 compressed = tick / tickSpacing; + if (tick < 0 && tick % tickSpacing != 0) compressed--; // round towards negative infinity + + if (lte) { + (int16 wordPos, uint8 bitPos) = position(compressed); + // all the 1s at or to the right of the current bitPos + uint256 mask = (1 << bitPos) - 1 + (1 << bitPos); + uint256 masked = self[wordPos] & mask; + + // if there are no initialized ticks to the right of or at the current tick, return rightmost in the word + initialized = masked != 0; + // overflow/underflow is possible, but prevented externally by limiting both tickSpacing and tick + next = initialized + ? (compressed - int24(bitPos - BitMath.mostSignificantBit(masked))) * tickSpacing + : (compressed - int24(bitPos)) * tickSpacing; + } else { + // start from the word of the next tick, since the current tick state doesn't matter + (int16 wordPos, uint8 bitPos) = position(compressed + 1); + // all the 1s at or to the left of the bitPos + uint256 mask = ~((1 << bitPos) - 1); + uint256 masked = self[wordPos] & mask; + + // if there are no initialized ticks to the left of the current tick, return leftmost in the word + initialized = masked != 0; + // overflow/underflow is possible, but prevented externally by limiting both tickSpacing and tick + next = initialized + ? (compressed + 1 + int24(BitMath.leastSignificantBit(masked) - bitPos)) * tickSpacing + : (compressed + 1 + int24(type(uint8).max - bitPos)) * tickSpacing; + } + } +} diff --git a/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/TickMath.sol b/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/TickMath.sol new file mode 100644 index 000000000..378e44528 --- /dev/null +++ b/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/TickMath.sol @@ -0,0 +1,205 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +pragma solidity >=0.5.0; + +/// @title Math library for computing sqrt prices from ticks and vice versa +/// @notice Computes sqrt price for ticks of size 1.0001, i.e. sqrt(1.0001^tick) as fixed point Q64.96 numbers. Supports +/// prices between 2**-128 and 2**128 +library TickMath { + /// @dev The minimum tick that may be passed to #getSqrtRatioAtTick computed from log base 1.0001 of 2**-128 + int24 internal constant MIN_TICK = -887272; + /// @dev The maximum tick that may be passed to #getSqrtRatioAtTick computed from log base 1.0001 of 2**128 + int24 internal constant MAX_TICK = -MIN_TICK; + + /// @dev The minimum value that can be returned from #getSqrtRatioAtTick. Equivalent to getSqrtRatioAtTick(MIN_TICK) + uint160 internal constant MIN_SQRT_RATIO = 4295128739; + /// @dev The maximum value that can be returned from #getSqrtRatioAtTick. Equivalent to getSqrtRatioAtTick(MAX_TICK) + uint160 internal constant MAX_SQRT_RATIO = 1461446703485210103287273052203988822378723970342; + + /// @notice Calculates sqrt(1.0001^tick) * 2^96 + /// @dev Throws if |tick| > max tick + /// @param tick The input tick for the above formula + /// @return sqrtPriceX96 A Fixed point Q64.96 number representing the sqrt of the ratio of the two assets (token1/token0) + /// at the given tick + function getSqrtRatioAtTick(int24 tick) internal pure returns (uint160 sqrtPriceX96) { + uint256 absTick = tick < 0 ? uint256(-int256(tick)) : uint256(int256(tick)); + require(absTick <= uint256(MAX_TICK), 'T'); + + uint256 ratio = absTick & 0x1 != 0 ? 0xfffcb933bd6fad37aa2d162d1a594001 : 0x100000000000000000000000000000000; + if (absTick & 0x2 != 0) ratio = (ratio * 0xfff97272373d413259a46990580e213a) >> 128; + if (absTick & 0x4 != 0) ratio = (ratio * 0xfff2e50f5f656932ef12357cf3c7fdcc) >> 128; + if (absTick & 0x8 != 0) ratio = (ratio * 0xffe5caca7e10e4e61c3624eaa0941cd0) >> 128; + if (absTick & 0x10 != 0) ratio = (ratio * 0xffcb9843d60f6159c9db58835c926644) >> 128; + if (absTick & 0x20 != 0) ratio = (ratio * 0xff973b41fa98c081472e6896dfb254c0) >> 128; + if (absTick & 0x40 != 0) ratio = (ratio * 0xff2ea16466c96a3843ec78b326b52861) >> 128; + if (absTick & 0x80 != 0) ratio = (ratio * 0xfe5dee046a99a2a811c461f1969c3053) >> 128; + if (absTick & 0x100 != 0) ratio = (ratio * 0xfcbe86c7900a88aedcffc83b479aa3a4) >> 128; + if (absTick & 0x200 != 0) ratio = (ratio * 0xf987a7253ac413176f2b074cf7815e54) >> 128; + if (absTick & 0x400 != 0) ratio = (ratio * 0xf3392b0822b70005940c7a398e4b70f3) >> 128; + if (absTick & 0x800 != 0) ratio = (ratio * 0xe7159475a2c29b7443b29c7fa6e889d9) >> 128; + if (absTick & 0x1000 != 0) ratio = (ratio * 0xd097f3bdfd2022b8845ad8f792aa5825) >> 128; + if (absTick & 0x2000 != 0) ratio = (ratio * 0xa9f746462d870fdf8a65dc1f90e061e5) >> 128; + if (absTick & 0x4000 != 0) ratio = (ratio * 0x70d869a156d2a1b890bb3df62baf32f7) >> 128; + if (absTick & 0x8000 != 0) ratio = (ratio * 0x31be135f97d08fd981231505542fcfa6) >> 128; + if (absTick & 0x10000 != 0) ratio = (ratio * 0x9aa508b5b7a84e1c677de54f3e99bc9) >> 128; + if (absTick & 0x20000 != 0) ratio = (ratio * 0x5d6af8dedb81196699c329225ee604) >> 128; + if (absTick & 0x40000 != 0) ratio = (ratio * 0x2216e584f5fa1ea926041bedfe98) >> 128; + if (absTick & 0x80000 != 0) ratio = (ratio * 0x48a170391f7dc42444e8fa2) >> 128; + + if (tick > 0) ratio = type(uint256).max / ratio; + + // this divides by 1<<32 rounding up to go from a Q128.128 to a Q128.96. + // we then downcast because we know the result always fits within 160 bits due to our tick input constraint + // we round up in the division so getTickAtSqrtRatio of the output price is always consistent + sqrtPriceX96 = uint160((ratio >> 32) + (ratio % (1 << 32) == 0 ? 0 : 1)); + } + + /// @notice Calculates the greatest tick value such that getRatioAtTick(tick) <= ratio + /// @dev Throws in case sqrtPriceX96 < MIN_SQRT_RATIO, as MIN_SQRT_RATIO is the lowest value getRatioAtTick may + /// ever return. + /// @param sqrtPriceX96 The sqrt ratio for which to compute the tick as a Q64.96 + /// @return tick The greatest tick for which the ratio is less than or equal to the input ratio + function getTickAtSqrtRatio(uint160 sqrtPriceX96) internal pure returns (int24 tick) { + // second inequality must be < because the price can never reach the price at the max tick + require(sqrtPriceX96 >= MIN_SQRT_RATIO && sqrtPriceX96 < MAX_SQRT_RATIO, 'R'); + uint256 ratio = uint256(sqrtPriceX96) << 32; + + uint256 r = ratio; + uint256 msb = 0; + + assembly { + let f := shl(7, gt(r, 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF)) + msb := or(msb, f) + r := shr(f, r) + } + assembly { + let f := shl(6, gt(r, 0xFFFFFFFFFFFFFFFF)) + msb := or(msb, f) + r := shr(f, r) + } + assembly { + let f := shl(5, gt(r, 0xFFFFFFFF)) + msb := or(msb, f) + r := shr(f, r) + } + assembly { + let f := shl(4, gt(r, 0xFFFF)) + msb := or(msb, f) + r := shr(f, r) + } + assembly { + let f := shl(3, gt(r, 0xFF)) + msb := or(msb, f) + r := shr(f, r) + } + assembly { + let f := shl(2, gt(r, 0xF)) + msb := or(msb, f) + r := shr(f, r) + } + assembly { + let f := shl(1, gt(r, 0x3)) + msb := or(msb, f) + r := shr(f, r) + } + assembly { + let f := gt(r, 0x1) + msb := or(msb, f) + } + + if (msb >= 128) r = ratio >> (msb - 127); + else r = ratio << (127 - msb); + + int256 log_2 = (int256(msb) - 128) << 64; + + assembly { + r := shr(127, mul(r, r)) + let f := shr(128, r) + log_2 := or(log_2, shl(63, f)) + r := shr(f, r) + } + assembly { + r := shr(127, mul(r, r)) + let f := shr(128, r) + log_2 := or(log_2, shl(62, f)) + r := shr(f, r) + } + assembly { + r := shr(127, mul(r, r)) + let f := shr(128, r) + log_2 := or(log_2, shl(61, f)) + r := shr(f, r) + } + assembly { + r := shr(127, mul(r, r)) + let f := shr(128, r) + log_2 := or(log_2, shl(60, f)) + r := shr(f, r) + } + assembly { + r := shr(127, mul(r, r)) + let f := shr(128, r) + log_2 := or(log_2, shl(59, f)) + r := shr(f, r) + } + assembly { + r := shr(127, mul(r, r)) + let f := shr(128, r) + log_2 := or(log_2, shl(58, f)) + r := shr(f, r) + } + assembly { + r := shr(127, mul(r, r)) + let f := shr(128, r) + log_2 := or(log_2, shl(57, f)) + r := shr(f, r) + } + assembly { + r := shr(127, mul(r, r)) + let f := shr(128, r) + log_2 := or(log_2, shl(56, f)) + r := shr(f, r) + } + assembly { + r := shr(127, mul(r, r)) + let f := shr(128, r) + log_2 := or(log_2, shl(55, f)) + r := shr(f, r) + } + assembly { + r := shr(127, mul(r, r)) + let f := shr(128, r) + log_2 := or(log_2, shl(54, f)) + r := shr(f, r) + } + assembly { + r := shr(127, mul(r, r)) + let f := shr(128, r) + log_2 := or(log_2, shl(53, f)) + r := shr(f, r) + } + assembly { + r := shr(127, mul(r, r)) + let f := shr(128, r) + log_2 := or(log_2, shl(52, f)) + r := shr(f, r) + } + assembly { + r := shr(127, mul(r, r)) + let f := shr(128, r) + log_2 := or(log_2, shl(51, f)) + r := shr(f, r) + } + assembly { + r := shr(127, mul(r, r)) + let f := shr(128, r) + log_2 := or(log_2, shl(50, f)) + } + + int256 log_sqrt10001 = log_2 * 255738958999603826347141; // 128.128 number + + int24 tickLow = int24((log_sqrt10001 - 3402992956809132418596140100660247210) >> 128); + int24 tickHi = int24((log_sqrt10001 + 291339464771989622907027621153398088495) >> 128); + + tick = tickLow == tickHi ? tickLow : getSqrtRatioAtTick(tickHi) <= sqrtPriceX96 ? tickHi : tickLow; + } +} diff --git a/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/TransferHelper.sol b/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/TransferHelper.sol new file mode 100644 index 000000000..25d630902 --- /dev/null +++ b/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/TransferHelper.sol @@ -0,0 +1,23 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +pragma solidity >=0.6.0; + +import '../interfaces/IERC20Minimal.sol'; + +/// @title TransferHelper +/// @notice Contains helper methods for interacting with ERC20 tokens that do not consistently return true/false +library TransferHelper { + /// @notice Transfers tokens from msg.sender to a recipient + /// @dev Calls transfer on token contract, errors with TF if transfer fails + /// @param token The contract address of the token which will be transferred + /// @param to The recipient of the transfer + /// @param value The value of the transfer + function safeTransfer( + address token, + address to, + uint256 value + ) internal { + (bool success, bytes memory data) = + token.call(abi.encodeWithSelector(IERC20Minimal.transfer.selector, to, value)); + require(success && (data.length == 0 || abi.decode(data, (bool))), 'TF'); + } +} diff --git a/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/UnsafeMath.sol b/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/UnsafeMath.sol new file mode 100644 index 000000000..f62f84676 --- /dev/null +++ b/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/UnsafeMath.sol @@ -0,0 +1,17 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +pragma solidity >=0.5.0; + +/// @title Math functions that do not check inputs or outputs +/// @notice Contains methods that perform common math functions but do not do any overflow or underflow checks +library UnsafeMath { + /// @notice Returns ceil(x / y) + /// @dev division by 0 has unspecified behavior, and must be checked externally + /// @param x The dividend + /// @param y The divisor + /// @return z The quotient, ceil(x / y) + function divRoundingUp(uint256 x, uint256 y) internal pure returns (uint256 z) { + assembly { + z := add(div(x, y), gt(mod(x, y), 0)) + } + } +} diff --git a/slither/tools/read_storage/read_storage.py b/slither/tools/read_storage/read_storage.py index 9b0fe5a74..c2507ce11 100644 --- a/slither/tools/read_storage/read_storage.py +++ b/slither/tools/read_storage/read_storage.py @@ -325,7 +325,7 @@ class SlitherReadStorage: struct_var = info["elems"][item][key].get('struct_var') # doesn't handle deep keys currently - var_name_struct_or_array_var = "{} -> {}".format(var, struct_var) + var_name_struct_or_array_var = "{} -> {} -> {}".format(var, item, struct_var) if environ.get("TABLE_VALUE") is None: tabulate_data.append([slot, offset, size, type_string, var_name_struct_or_array_var]) From e178b37fc9cd6bb052672b1027e8fafb2cbeb747 Mon Sep 17 00:00:00 2001 From: noxx Date: Sun, 17 Jul 2022 21:06:27 +0100 Subject: [PATCH 5/9] remove crytic-export --- .../contracts/NoDelegateCall.sol | 27 - .../contracts/UniswapV3Pool.sol | 869 ------------------ .../contracts/interfaces/IERC20Minimal.sol | 52 -- .../interfaces/IUniswapV3Factory.sol | 78 -- .../contracts/interfaces/IUniswapV3Pool.sol | 24 - .../interfaces/IUniswapV3PoolDeployer.sol | 26 - .../callback/IUniswapV3FlashCallback.sol | 18 - .../callback/IUniswapV3MintCallback.sol | 18 - .../callback/IUniswapV3SwapCallback.sol | 21 - .../interfaces/pool/IUniswapV3PoolActions.sol | 103 --- .../pool/IUniswapV3PoolDerivedState.sol | 40 - .../interfaces/pool/IUniswapV3PoolEvents.sol | 121 --- .../pool/IUniswapV3PoolImmutables.sol | 35 - .../pool/IUniswapV3PoolOwnerActions.sol | 23 - .../interfaces/pool/IUniswapV3PoolState.sol | 116 --- .../contracts/libraries/BitMath.sol | 94 -- .../contracts/libraries/FixedPoint128.sol | 8 - .../contracts/libraries/FixedPoint96.sol | 10 - .../contracts/libraries/FullMath.sol | 124 --- .../contracts/libraries/LiquidityMath.sol | 17 - .../contracts/libraries/LowGasSafeMath.sol | 46 - .../contracts/libraries/Oracle.sol | 325 ------- .../contracts/libraries/Position.sol | 88 -- .../contracts/libraries/SafeCast.sol | 28 - .../contracts/libraries/SqrtPriceMath.sol | 227 ----- .../contracts/libraries/SwapMath.sol | 98 -- .../contracts/libraries/Tick.sol | 183 ---- .../contracts/libraries/TickBitmap.sol | 78 -- .../contracts/libraries/TickMath.sol | 205 ----- .../contracts/libraries/TransferHelper.sol | 23 - .../contracts/libraries/UnsafeMath.sol | 17 - 31 files changed, 3142 deletions(-) delete mode 100644 crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/NoDelegateCall.sol delete mode 100644 crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/UniswapV3Pool.sol delete mode 100644 crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/IERC20Minimal.sol delete mode 100644 crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/IUniswapV3Factory.sol delete mode 100644 crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/IUniswapV3Pool.sol delete mode 100644 crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/IUniswapV3PoolDeployer.sol delete mode 100644 crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/callback/IUniswapV3FlashCallback.sol delete mode 100644 crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/callback/IUniswapV3MintCallback.sol delete mode 100644 crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/callback/IUniswapV3SwapCallback.sol delete mode 100644 crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/pool/IUniswapV3PoolActions.sol delete mode 100644 crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/pool/IUniswapV3PoolDerivedState.sol delete mode 100644 crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/pool/IUniswapV3PoolEvents.sol delete mode 100644 crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/pool/IUniswapV3PoolImmutables.sol delete mode 100644 crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/pool/IUniswapV3PoolOwnerActions.sol delete mode 100644 crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/pool/IUniswapV3PoolState.sol delete mode 100644 crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/BitMath.sol delete mode 100644 crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/FixedPoint128.sol delete mode 100644 crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/FixedPoint96.sol delete mode 100644 crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/FullMath.sol delete mode 100644 crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/LiquidityMath.sol delete mode 100644 crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/LowGasSafeMath.sol delete mode 100644 crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/Oracle.sol delete mode 100644 crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/Position.sol delete mode 100644 crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/SafeCast.sol delete mode 100644 crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/SqrtPriceMath.sol delete mode 100644 crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/SwapMath.sol delete mode 100644 crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/Tick.sol delete mode 100644 crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/TickBitmap.sol delete mode 100644 crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/TickMath.sol delete mode 100644 crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/TransferHelper.sol delete mode 100644 crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/UnsafeMath.sol diff --git a/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/NoDelegateCall.sol b/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/NoDelegateCall.sol deleted file mode 100644 index 5411979dc..000000000 --- a/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/NoDelegateCall.sol +++ /dev/null @@ -1,27 +0,0 @@ -// SPDX-License-Identifier: BUSL-1.1 -pragma solidity =0.7.6; - -/// @title Prevents delegatecall to a contract -/// @notice Base contract that provides a modifier for preventing delegatecall to methods in a child contract -abstract contract NoDelegateCall { - /// @dev The original address of this contract - address private immutable original; - - constructor() { - // Immutables are computed in the init code of the contract, and then inlined into the deployed bytecode. - // In other words, this variable won't change when it's checked at runtime. - original = address(this); - } - - /// @dev Private method is used instead of inlining into modifier because modifiers are copied into each method, - /// and the use of immutable means the address bytes are copied in every place the modifier is used. - function checkNotDelegateCall() private view { - require(address(this) == original); - } - - /// @notice Prevents delegatecall into the modified method - modifier noDelegateCall() { - checkNotDelegateCall(); - _; - } -} diff --git a/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/UniswapV3Pool.sol b/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/UniswapV3Pool.sol deleted file mode 100644 index 9e0982127..000000000 --- a/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/UniswapV3Pool.sol +++ /dev/null @@ -1,869 +0,0 @@ -// SPDX-License-Identifier: BUSL-1.1 -pragma solidity =0.7.6; - -import './interfaces/IUniswapV3Pool.sol'; - -import './NoDelegateCall.sol'; - -import './libraries/LowGasSafeMath.sol'; -import './libraries/SafeCast.sol'; -import './libraries/Tick.sol'; -import './libraries/TickBitmap.sol'; -import './libraries/Position.sol'; -import './libraries/Oracle.sol'; - -import './libraries/FullMath.sol'; -import './libraries/FixedPoint128.sol'; -import './libraries/TransferHelper.sol'; -import './libraries/TickMath.sol'; -import './libraries/LiquidityMath.sol'; -import './libraries/SqrtPriceMath.sol'; -import './libraries/SwapMath.sol'; - -import './interfaces/IUniswapV3PoolDeployer.sol'; -import './interfaces/IUniswapV3Factory.sol'; -import './interfaces/IERC20Minimal.sol'; -import './interfaces/callback/IUniswapV3MintCallback.sol'; -import './interfaces/callback/IUniswapV3SwapCallback.sol'; -import './interfaces/callback/IUniswapV3FlashCallback.sol'; - -contract UniswapV3Pool is IUniswapV3Pool, NoDelegateCall { - using LowGasSafeMath for uint256; - using LowGasSafeMath for int256; - using SafeCast for uint256; - using SafeCast for int256; - using Tick for mapping(int24 => Tick.Info); - using TickBitmap for mapping(int16 => uint256); - using Position for mapping(bytes32 => Position.Info); - using Position for Position.Info; - using Oracle for Oracle.Observation[65535]; - - /// @inheritdoc IUniswapV3PoolImmutables - address public immutable override factory; - /// @inheritdoc IUniswapV3PoolImmutables - address public immutable override token0; - /// @inheritdoc IUniswapV3PoolImmutables - address public immutable override token1; - /// @inheritdoc IUniswapV3PoolImmutables - uint24 public immutable override fee; - - /// @inheritdoc IUniswapV3PoolImmutables - int24 public immutable override tickSpacing; - - /// @inheritdoc IUniswapV3PoolImmutables - uint128 public immutable override maxLiquidityPerTick; - - struct Slot0 { - // the current price - uint160 sqrtPriceX96; - // the current tick - int24 tick; - // the most-recently updated index of the observations array - uint16 observationIndex; - // the current maximum number of observations that are being stored - uint16 observationCardinality; - // the next maximum number of observations to store, triggered in observations.write - uint16 observationCardinalityNext; - // the current protocol fee as a percentage of the swap fee taken on withdrawal - // represented as an integer denominator (1/x)% - uint8 feeProtocol; - // whether the pool is locked - bool unlocked; - } - /// @inheritdoc IUniswapV3PoolState - Slot0 public override slot0; - - /// @inheritdoc IUniswapV3PoolState - uint256 public override feeGrowthGlobal0X128; - /// @inheritdoc IUniswapV3PoolState - uint256 public override feeGrowthGlobal1X128; - - // accumulated protocol fees in token0/token1 units - struct ProtocolFees { - uint128 token0; - uint128 token1; - } - /// @inheritdoc IUniswapV3PoolState - ProtocolFees public override protocolFees; - - /// @inheritdoc IUniswapV3PoolState - uint128 public override liquidity; - - /// @inheritdoc IUniswapV3PoolState - mapping(int24 => Tick.Info) public override ticks; - /// @inheritdoc IUniswapV3PoolState - mapping(int16 => uint256) public override tickBitmap; - /// @inheritdoc IUniswapV3PoolState - mapping(bytes32 => Position.Info) public override positions; - /// @inheritdoc IUniswapV3PoolState - Oracle.Observation[65535] public override observations; - - /// @dev Mutually exclusive reentrancy protection into the pool to/from a method. This method also prevents entrance - /// to a function before the pool is initialized. The reentrancy guard is required throughout the contract because - /// we use balance checks to determine the payment status of interactions such as mint, swap and flash. - modifier lock() { - require(slot0.unlocked, 'LOK'); - slot0.unlocked = false; - _; - slot0.unlocked = true; - } - - /// @dev Prevents calling a function from anyone except the address returned by IUniswapV3Factory#owner() - modifier onlyFactoryOwner() { - require(msg.sender == IUniswapV3Factory(factory).owner()); - _; - } - - constructor() { - int24 _tickSpacing; - (factory, token0, token1, fee, _tickSpacing) = IUniswapV3PoolDeployer(msg.sender).parameters(); - tickSpacing = _tickSpacing; - - maxLiquidityPerTick = Tick.tickSpacingToMaxLiquidityPerTick(_tickSpacing); - } - - /// @dev Common checks for valid tick inputs. - function checkTicks(int24 tickLower, int24 tickUpper) private pure { - require(tickLower < tickUpper, 'TLU'); - require(tickLower >= TickMath.MIN_TICK, 'TLM'); - require(tickUpper <= TickMath.MAX_TICK, 'TUM'); - } - - /// @dev Returns the block timestamp truncated to 32 bits, i.e. mod 2**32. This method is overridden in tests. - function _blockTimestamp() internal view virtual returns (uint32) { - return uint32(block.timestamp); // truncation is desired - } - - /// @dev Get the pool's balance of token0 - /// @dev This function is gas optimized to avoid a redundant extcodesize check in addition to the returndatasize - /// check - function balance0() private view returns (uint256) { - (bool success, bytes memory data) = - token0.staticcall(abi.encodeWithSelector(IERC20Minimal.balanceOf.selector, address(this))); - require(success && data.length >= 32); - return abi.decode(data, (uint256)); - } - - /// @dev Get the pool's balance of token1 - /// @dev This function is gas optimized to avoid a redundant extcodesize check in addition to the returndatasize - /// check - function balance1() private view returns (uint256) { - (bool success, bytes memory data) = - token1.staticcall(abi.encodeWithSelector(IERC20Minimal.balanceOf.selector, address(this))); - require(success && data.length >= 32); - return abi.decode(data, (uint256)); - } - - /// @inheritdoc IUniswapV3PoolDerivedState - function snapshotCumulativesInside(int24 tickLower, int24 tickUpper) - external - view - override - noDelegateCall - returns ( - int56 tickCumulativeInside, - uint160 secondsPerLiquidityInsideX128, - uint32 secondsInside - ) - { - checkTicks(tickLower, tickUpper); - - int56 tickCumulativeLower; - int56 tickCumulativeUpper; - uint160 secondsPerLiquidityOutsideLowerX128; - uint160 secondsPerLiquidityOutsideUpperX128; - uint32 secondsOutsideLower; - uint32 secondsOutsideUpper; - - { - Tick.Info storage lower = ticks[tickLower]; - Tick.Info storage upper = ticks[tickUpper]; - bool initializedLower; - (tickCumulativeLower, secondsPerLiquidityOutsideLowerX128, secondsOutsideLower, initializedLower) = ( - lower.tickCumulativeOutside, - lower.secondsPerLiquidityOutsideX128, - lower.secondsOutside, - lower.initialized - ); - require(initializedLower); - - bool initializedUpper; - (tickCumulativeUpper, secondsPerLiquidityOutsideUpperX128, secondsOutsideUpper, initializedUpper) = ( - upper.tickCumulativeOutside, - upper.secondsPerLiquidityOutsideX128, - upper.secondsOutside, - upper.initialized - ); - require(initializedUpper); - } - - Slot0 memory _slot0 = slot0; - - if (_slot0.tick < tickLower) { - return ( - tickCumulativeLower - tickCumulativeUpper, - secondsPerLiquidityOutsideLowerX128 - secondsPerLiquidityOutsideUpperX128, - secondsOutsideLower - secondsOutsideUpper - ); - } else if (_slot0.tick < tickUpper) { - uint32 time = _blockTimestamp(); - (int56 tickCumulative, uint160 secondsPerLiquidityCumulativeX128) = - observations.observeSingle( - time, - 0, - _slot0.tick, - _slot0.observationIndex, - liquidity, - _slot0.observationCardinality - ); - return ( - tickCumulative - tickCumulativeLower - tickCumulativeUpper, - secondsPerLiquidityCumulativeX128 - - secondsPerLiquidityOutsideLowerX128 - - secondsPerLiquidityOutsideUpperX128, - time - secondsOutsideLower - secondsOutsideUpper - ); - } else { - return ( - tickCumulativeUpper - tickCumulativeLower, - secondsPerLiquidityOutsideUpperX128 - secondsPerLiquidityOutsideLowerX128, - secondsOutsideUpper - secondsOutsideLower - ); - } - } - - /// @inheritdoc IUniswapV3PoolDerivedState - function observe(uint32[] calldata secondsAgos) - external - view - override - noDelegateCall - returns (int56[] memory tickCumulatives, uint160[] memory secondsPerLiquidityCumulativeX128s) - { - return - observations.observe( - _blockTimestamp(), - secondsAgos, - slot0.tick, - slot0.observationIndex, - liquidity, - slot0.observationCardinality - ); - } - - /// @inheritdoc IUniswapV3PoolActions - function increaseObservationCardinalityNext(uint16 observationCardinalityNext) - external - override - lock - noDelegateCall - { - uint16 observationCardinalityNextOld = slot0.observationCardinalityNext; // for the event - uint16 observationCardinalityNextNew = - observations.grow(observationCardinalityNextOld, observationCardinalityNext); - slot0.observationCardinalityNext = observationCardinalityNextNew; - if (observationCardinalityNextOld != observationCardinalityNextNew) - emit IncreaseObservationCardinalityNext(observationCardinalityNextOld, observationCardinalityNextNew); - } - - /// @inheritdoc IUniswapV3PoolActions - /// @dev not locked because it initializes unlocked - function initialize(uint160 sqrtPriceX96) external override { - require(slot0.sqrtPriceX96 == 0, 'AI'); - - int24 tick = TickMath.getTickAtSqrtRatio(sqrtPriceX96); - - (uint16 cardinality, uint16 cardinalityNext) = observations.initialize(_blockTimestamp()); - - slot0 = Slot0({ - sqrtPriceX96: sqrtPriceX96, - tick: tick, - observationIndex: 0, - observationCardinality: cardinality, - observationCardinalityNext: cardinalityNext, - feeProtocol: 0, - unlocked: true - }); - - emit Initialize(sqrtPriceX96, tick); - } - - struct ModifyPositionParams { - // the address that owns the position - address owner; - // the lower and upper tick of the position - int24 tickLower; - int24 tickUpper; - // any change in liquidity - int128 liquidityDelta; - } - - /// @dev Effect some changes to a position - /// @param params the position details and the change to the position's liquidity to effect - /// @return position a storage pointer referencing the position with the given owner and tick range - /// @return amount0 the amount of token0 owed to the pool, negative if the pool should pay the recipient - /// @return amount1 the amount of token1 owed to the pool, negative if the pool should pay the recipient - function _modifyPosition(ModifyPositionParams memory params) - private - noDelegateCall - returns ( - Position.Info storage position, - int256 amount0, - int256 amount1 - ) - { - checkTicks(params.tickLower, params.tickUpper); - - Slot0 memory _slot0 = slot0; // SLOAD for gas optimization - - position = _updatePosition( - params.owner, - params.tickLower, - params.tickUpper, - params.liquidityDelta, - _slot0.tick - ); - - if (params.liquidityDelta != 0) { - if (_slot0.tick < params.tickLower) { - // current tick is below the passed range; liquidity can only become in range by crossing from left to - // right, when we'll need _more_ token0 (it's becoming more valuable) so user must provide it - amount0 = SqrtPriceMath.getAmount0Delta( - TickMath.getSqrtRatioAtTick(params.tickLower), - TickMath.getSqrtRatioAtTick(params.tickUpper), - params.liquidityDelta - ); - } else if (_slot0.tick < params.tickUpper) { - // current tick is inside the passed range - uint128 liquidityBefore = liquidity; // SLOAD for gas optimization - - // write an oracle entry - (slot0.observationIndex, slot0.observationCardinality) = observations.write( - _slot0.observationIndex, - _blockTimestamp(), - _slot0.tick, - liquidityBefore, - _slot0.observationCardinality, - _slot0.observationCardinalityNext - ); - - amount0 = SqrtPriceMath.getAmount0Delta( - _slot0.sqrtPriceX96, - TickMath.getSqrtRatioAtTick(params.tickUpper), - params.liquidityDelta - ); - amount1 = SqrtPriceMath.getAmount1Delta( - TickMath.getSqrtRatioAtTick(params.tickLower), - _slot0.sqrtPriceX96, - params.liquidityDelta - ); - - liquidity = LiquidityMath.addDelta(liquidityBefore, params.liquidityDelta); - } else { - // current tick is above the passed range; liquidity can only become in range by crossing from right to - // left, when we'll need _more_ token1 (it's becoming more valuable) so user must provide it - amount1 = SqrtPriceMath.getAmount1Delta( - TickMath.getSqrtRatioAtTick(params.tickLower), - TickMath.getSqrtRatioAtTick(params.tickUpper), - params.liquidityDelta - ); - } - } - } - - /// @dev Gets and updates a position with the given liquidity delta - /// @param owner the owner of the position - /// @param tickLower the lower tick of the position's tick range - /// @param tickUpper the upper tick of the position's tick range - /// @param tick the current tick, passed to avoid sloads - function _updatePosition( - address owner, - int24 tickLower, - int24 tickUpper, - int128 liquidityDelta, - int24 tick - ) private returns (Position.Info storage position) { - position = positions.get(owner, tickLower, tickUpper); - - uint256 _feeGrowthGlobal0X128 = feeGrowthGlobal0X128; // SLOAD for gas optimization - uint256 _feeGrowthGlobal1X128 = feeGrowthGlobal1X128; // SLOAD for gas optimization - - // if we need to update the ticks, do it - bool flippedLower; - bool flippedUpper; - if (liquidityDelta != 0) { - uint32 time = _blockTimestamp(); - (int56 tickCumulative, uint160 secondsPerLiquidityCumulativeX128) = - observations.observeSingle( - time, - 0, - slot0.tick, - slot0.observationIndex, - liquidity, - slot0.observationCardinality - ); - - flippedLower = ticks.update( - tickLower, - tick, - liquidityDelta, - _feeGrowthGlobal0X128, - _feeGrowthGlobal1X128, - secondsPerLiquidityCumulativeX128, - tickCumulative, - time, - false, - maxLiquidityPerTick - ); - flippedUpper = ticks.update( - tickUpper, - tick, - liquidityDelta, - _feeGrowthGlobal0X128, - _feeGrowthGlobal1X128, - secondsPerLiquidityCumulativeX128, - tickCumulative, - time, - true, - maxLiquidityPerTick - ); - - if (flippedLower) { - tickBitmap.flipTick(tickLower, tickSpacing); - } - if (flippedUpper) { - tickBitmap.flipTick(tickUpper, tickSpacing); - } - } - - (uint256 feeGrowthInside0X128, uint256 feeGrowthInside1X128) = - ticks.getFeeGrowthInside(tickLower, tickUpper, tick, _feeGrowthGlobal0X128, _feeGrowthGlobal1X128); - - position.update(liquidityDelta, feeGrowthInside0X128, feeGrowthInside1X128); - - // clear any tick data that is no longer needed - if (liquidityDelta < 0) { - if (flippedLower) { - ticks.clear(tickLower); - } - if (flippedUpper) { - ticks.clear(tickUpper); - } - } - } - - /// @inheritdoc IUniswapV3PoolActions - /// @dev noDelegateCall is applied indirectly via _modifyPosition - function mint( - address recipient, - int24 tickLower, - int24 tickUpper, - uint128 amount, - bytes calldata data - ) external override lock returns (uint256 amount0, uint256 amount1) { - require(amount > 0); - (, int256 amount0Int, int256 amount1Int) = - _modifyPosition( - ModifyPositionParams({ - owner: recipient, - tickLower: tickLower, - tickUpper: tickUpper, - liquidityDelta: int256(amount).toInt128() - }) - ); - - amount0 = uint256(amount0Int); - amount1 = uint256(amount1Int); - - uint256 balance0Before; - uint256 balance1Before; - if (amount0 > 0) balance0Before = balance0(); - if (amount1 > 0) balance1Before = balance1(); - IUniswapV3MintCallback(msg.sender).uniswapV3MintCallback(amount0, amount1, data); - if (amount0 > 0) require(balance0Before.add(amount0) <= balance0(), 'M0'); - if (amount1 > 0) require(balance1Before.add(amount1) <= balance1(), 'M1'); - - emit Mint(msg.sender, recipient, tickLower, tickUpper, amount, amount0, amount1); - } - - /// @inheritdoc IUniswapV3PoolActions - function collect( - address recipient, - int24 tickLower, - int24 tickUpper, - uint128 amount0Requested, - uint128 amount1Requested - ) external override lock returns (uint128 amount0, uint128 amount1) { - // we don't need to checkTicks here, because invalid positions will never have non-zero tokensOwed{0,1} - Position.Info storage position = positions.get(msg.sender, tickLower, tickUpper); - - amount0 = amount0Requested > position.tokensOwed0 ? position.tokensOwed0 : amount0Requested; - amount1 = amount1Requested > position.tokensOwed1 ? position.tokensOwed1 : amount1Requested; - - if (amount0 > 0) { - position.tokensOwed0 -= amount0; - TransferHelper.safeTransfer(token0, recipient, amount0); - } - if (amount1 > 0) { - position.tokensOwed1 -= amount1; - TransferHelper.safeTransfer(token1, recipient, amount1); - } - - emit Collect(msg.sender, recipient, tickLower, tickUpper, amount0, amount1); - } - - /// @inheritdoc IUniswapV3PoolActions - /// @dev noDelegateCall is applied indirectly via _modifyPosition - function burn( - int24 tickLower, - int24 tickUpper, - uint128 amount - ) external override lock returns (uint256 amount0, uint256 amount1) { - (Position.Info storage position, int256 amount0Int, int256 amount1Int) = - _modifyPosition( - ModifyPositionParams({ - owner: msg.sender, - tickLower: tickLower, - tickUpper: tickUpper, - liquidityDelta: -int256(amount).toInt128() - }) - ); - - amount0 = uint256(-amount0Int); - amount1 = uint256(-amount1Int); - - if (amount0 > 0 || amount1 > 0) { - (position.tokensOwed0, position.tokensOwed1) = ( - position.tokensOwed0 + uint128(amount0), - position.tokensOwed1 + uint128(amount1) - ); - } - - emit Burn(msg.sender, tickLower, tickUpper, amount, amount0, amount1); - } - - struct SwapCache { - // the protocol fee for the input token - uint8 feeProtocol; - // liquidity at the beginning of the swap - uint128 liquidityStart; - // the timestamp of the current block - uint32 blockTimestamp; - // the current value of the tick accumulator, computed only if we cross an initialized tick - int56 tickCumulative; - // the current value of seconds per liquidity accumulator, computed only if we cross an initialized tick - uint160 secondsPerLiquidityCumulativeX128; - // whether we've computed and cached the above two accumulators - bool computedLatestObservation; - } - - // the top level state of the swap, the results of which are recorded in storage at the end - struct SwapState { - // the amount remaining to be swapped in/out of the input/output asset - int256 amountSpecifiedRemaining; - // the amount already swapped out/in of the output/input asset - int256 amountCalculated; - // current sqrt(price) - uint160 sqrtPriceX96; - // the tick associated with the current price - int24 tick; - // the global fee growth of the input token - uint256 feeGrowthGlobalX128; - // amount of input token paid as protocol fee - uint128 protocolFee; - // the current liquidity in range - uint128 liquidity; - } - - struct StepComputations { - // the price at the beginning of the step - uint160 sqrtPriceStartX96; - // the next tick to swap to from the current tick in the swap direction - int24 tickNext; - // whether tickNext is initialized or not - bool initialized; - // sqrt(price) for the next tick (1/0) - uint160 sqrtPriceNextX96; - // how much is being swapped in in this step - uint256 amountIn; - // how much is being swapped out - uint256 amountOut; - // how much fee is being paid in - uint256 feeAmount; - } - - /// @inheritdoc IUniswapV3PoolActions - function swap( - address recipient, - bool zeroForOne, - int256 amountSpecified, - uint160 sqrtPriceLimitX96, - bytes calldata data - ) external override noDelegateCall returns (int256 amount0, int256 amount1) { - require(amountSpecified != 0, 'AS'); - - Slot0 memory slot0Start = slot0; - - require(slot0Start.unlocked, 'LOK'); - require( - zeroForOne - ? sqrtPriceLimitX96 < slot0Start.sqrtPriceX96 && sqrtPriceLimitX96 > TickMath.MIN_SQRT_RATIO - : sqrtPriceLimitX96 > slot0Start.sqrtPriceX96 && sqrtPriceLimitX96 < TickMath.MAX_SQRT_RATIO, - 'SPL' - ); - - slot0.unlocked = false; - - SwapCache memory cache = - SwapCache({ - liquidityStart: liquidity, - blockTimestamp: _blockTimestamp(), - feeProtocol: zeroForOne ? (slot0Start.feeProtocol % 16) : (slot0Start.feeProtocol >> 4), - secondsPerLiquidityCumulativeX128: 0, - tickCumulative: 0, - computedLatestObservation: false - }); - - bool exactInput = amountSpecified > 0; - - SwapState memory state = - SwapState({ - amountSpecifiedRemaining: amountSpecified, - amountCalculated: 0, - sqrtPriceX96: slot0Start.sqrtPriceX96, - tick: slot0Start.tick, - feeGrowthGlobalX128: zeroForOne ? feeGrowthGlobal0X128 : feeGrowthGlobal1X128, - protocolFee: 0, - liquidity: cache.liquidityStart - }); - - // continue swapping as long as we haven't used the entire input/output and haven't reached the price limit - while (state.amountSpecifiedRemaining != 0 && state.sqrtPriceX96 != sqrtPriceLimitX96) { - StepComputations memory step; - - step.sqrtPriceStartX96 = state.sqrtPriceX96; - - (step.tickNext, step.initialized) = tickBitmap.nextInitializedTickWithinOneWord( - state.tick, - tickSpacing, - zeroForOne - ); - - // ensure that we do not overshoot the min/max tick, as the tick bitmap is not aware of these bounds - if (step.tickNext < TickMath.MIN_TICK) { - step.tickNext = TickMath.MIN_TICK; - } else if (step.tickNext > TickMath.MAX_TICK) { - step.tickNext = TickMath.MAX_TICK; - } - - // get the price for the next tick - step.sqrtPriceNextX96 = TickMath.getSqrtRatioAtTick(step.tickNext); - - // compute values to swap to the target tick, price limit, or point where input/output amount is exhausted - (state.sqrtPriceX96, step.amountIn, step.amountOut, step.feeAmount) = SwapMath.computeSwapStep( - state.sqrtPriceX96, - (zeroForOne ? step.sqrtPriceNextX96 < sqrtPriceLimitX96 : step.sqrtPriceNextX96 > sqrtPriceLimitX96) - ? sqrtPriceLimitX96 - : step.sqrtPriceNextX96, - state.liquidity, - state.amountSpecifiedRemaining, - fee - ); - - if (exactInput) { - state.amountSpecifiedRemaining -= (step.amountIn + step.feeAmount).toInt256(); - state.amountCalculated = state.amountCalculated.sub(step.amountOut.toInt256()); - } else { - state.amountSpecifiedRemaining += step.amountOut.toInt256(); - state.amountCalculated = state.amountCalculated.add((step.amountIn + step.feeAmount).toInt256()); - } - - // if the protocol fee is on, calculate how much is owed, decrement feeAmount, and increment protocolFee - if (cache.feeProtocol > 0) { - uint256 delta = step.feeAmount / cache.feeProtocol; - step.feeAmount -= delta; - state.protocolFee += uint128(delta); - } - - // update global fee tracker - if (state.liquidity > 0) - state.feeGrowthGlobalX128 += FullMath.mulDiv(step.feeAmount, FixedPoint128.Q128, state.liquidity); - - // shift tick if we reached the next price - if (state.sqrtPriceX96 == step.sqrtPriceNextX96) { - // if the tick is initialized, run the tick transition - if (step.initialized) { - // check for the placeholder value, which we replace with the actual value the first time the swap - // crosses an initialized tick - if (!cache.computedLatestObservation) { - (cache.tickCumulative, cache.secondsPerLiquidityCumulativeX128) = observations.observeSingle( - cache.blockTimestamp, - 0, - slot0Start.tick, - slot0Start.observationIndex, - cache.liquidityStart, - slot0Start.observationCardinality - ); - cache.computedLatestObservation = true; - } - int128 liquidityNet = - ticks.cross( - step.tickNext, - (zeroForOne ? state.feeGrowthGlobalX128 : feeGrowthGlobal0X128), - (zeroForOne ? feeGrowthGlobal1X128 : state.feeGrowthGlobalX128), - cache.secondsPerLiquidityCumulativeX128, - cache.tickCumulative, - cache.blockTimestamp - ); - // if we're moving leftward, we interpret liquidityNet as the opposite sign - // safe because liquidityNet cannot be type(int128).min - if (zeroForOne) liquidityNet = -liquidityNet; - - state.liquidity = LiquidityMath.addDelta(state.liquidity, liquidityNet); - } - - state.tick = zeroForOne ? step.tickNext - 1 : step.tickNext; - } else if (state.sqrtPriceX96 != step.sqrtPriceStartX96) { - // recompute unless we're on a lower tick boundary (i.e. already transitioned ticks), and haven't moved - state.tick = TickMath.getTickAtSqrtRatio(state.sqrtPriceX96); - } - } - - // update tick and write an oracle entry if the tick change - if (state.tick != slot0Start.tick) { - (uint16 observationIndex, uint16 observationCardinality) = - observations.write( - slot0Start.observationIndex, - cache.blockTimestamp, - slot0Start.tick, - cache.liquidityStart, - slot0Start.observationCardinality, - slot0Start.observationCardinalityNext - ); - (slot0.sqrtPriceX96, slot0.tick, slot0.observationIndex, slot0.observationCardinality) = ( - state.sqrtPriceX96, - state.tick, - observationIndex, - observationCardinality - ); - } else { - // otherwise just update the price - slot0.sqrtPriceX96 = state.sqrtPriceX96; - } - - // update liquidity if it changed - if (cache.liquidityStart != state.liquidity) liquidity = state.liquidity; - - // update fee growth global and, if necessary, protocol fees - // overflow is acceptable, protocol has to withdraw before it hits type(uint128).max fees - if (zeroForOne) { - feeGrowthGlobal0X128 = state.feeGrowthGlobalX128; - if (state.protocolFee > 0) protocolFees.token0 += state.protocolFee; - } else { - feeGrowthGlobal1X128 = state.feeGrowthGlobalX128; - if (state.protocolFee > 0) protocolFees.token1 += state.protocolFee; - } - - (amount0, amount1) = zeroForOne == exactInput - ? (amountSpecified - state.amountSpecifiedRemaining, state.amountCalculated) - : (state.amountCalculated, amountSpecified - state.amountSpecifiedRemaining); - - // do the transfers and collect payment - if (zeroForOne) { - if (amount1 < 0) TransferHelper.safeTransfer(token1, recipient, uint256(-amount1)); - - uint256 balance0Before = balance0(); - IUniswapV3SwapCallback(msg.sender).uniswapV3SwapCallback(amount0, amount1, data); - require(balance0Before.add(uint256(amount0)) <= balance0(), 'IIA'); - } else { - if (amount0 < 0) TransferHelper.safeTransfer(token0, recipient, uint256(-amount0)); - - uint256 balance1Before = balance1(); - IUniswapV3SwapCallback(msg.sender).uniswapV3SwapCallback(amount0, amount1, data); - require(balance1Before.add(uint256(amount1)) <= balance1(), 'IIA'); - } - - emit Swap(msg.sender, recipient, amount0, amount1, state.sqrtPriceX96, state.liquidity, state.tick); - slot0.unlocked = true; - } - - /// @inheritdoc IUniswapV3PoolActions - function flash( - address recipient, - uint256 amount0, - uint256 amount1, - bytes calldata data - ) external override lock noDelegateCall { - uint128 _liquidity = liquidity; - require(_liquidity > 0, 'L'); - - uint256 fee0 = FullMath.mulDivRoundingUp(amount0, fee, 1e6); - uint256 fee1 = FullMath.mulDivRoundingUp(amount1, fee, 1e6); - uint256 balance0Before = balance0(); - uint256 balance1Before = balance1(); - - if (amount0 > 0) TransferHelper.safeTransfer(token0, recipient, amount0); - if (amount1 > 0) TransferHelper.safeTransfer(token1, recipient, amount1); - - IUniswapV3FlashCallback(msg.sender).uniswapV3FlashCallback(fee0, fee1, data); - - uint256 balance0After = balance0(); - uint256 balance1After = balance1(); - - require(balance0Before.add(fee0) <= balance0After, 'F0'); - require(balance1Before.add(fee1) <= balance1After, 'F1'); - - // sub is safe because we know balanceAfter is gt balanceBefore by at least fee - uint256 paid0 = balance0After - balance0Before; - uint256 paid1 = balance1After - balance1Before; - - if (paid0 > 0) { - uint8 feeProtocol0 = slot0.feeProtocol % 16; - uint256 fees0 = feeProtocol0 == 0 ? 0 : paid0 / feeProtocol0; - if (uint128(fees0) > 0) protocolFees.token0 += uint128(fees0); - feeGrowthGlobal0X128 += FullMath.mulDiv(paid0 - fees0, FixedPoint128.Q128, _liquidity); - } - if (paid1 > 0) { - uint8 feeProtocol1 = slot0.feeProtocol >> 4; - uint256 fees1 = feeProtocol1 == 0 ? 0 : paid1 / feeProtocol1; - if (uint128(fees1) > 0) protocolFees.token1 += uint128(fees1); - feeGrowthGlobal1X128 += FullMath.mulDiv(paid1 - fees1, FixedPoint128.Q128, _liquidity); - } - - emit Flash(msg.sender, recipient, amount0, amount1, paid0, paid1); - } - - /// @inheritdoc IUniswapV3PoolOwnerActions - function setFeeProtocol(uint8 feeProtocol0, uint8 feeProtocol1) external override lock onlyFactoryOwner { - require( - (feeProtocol0 == 0 || (feeProtocol0 >= 4 && feeProtocol0 <= 10)) && - (feeProtocol1 == 0 || (feeProtocol1 >= 4 && feeProtocol1 <= 10)) - ); - uint8 feeProtocolOld = slot0.feeProtocol; - slot0.feeProtocol = feeProtocol0 + (feeProtocol1 << 4); - emit SetFeeProtocol(feeProtocolOld % 16, feeProtocolOld >> 4, feeProtocol0, feeProtocol1); - } - - /// @inheritdoc IUniswapV3PoolOwnerActions - function collectProtocol( - address recipient, - uint128 amount0Requested, - uint128 amount1Requested - ) external override lock onlyFactoryOwner returns (uint128 amount0, uint128 amount1) { - amount0 = amount0Requested > protocolFees.token0 ? protocolFees.token0 : amount0Requested; - amount1 = amount1Requested > protocolFees.token1 ? protocolFees.token1 : amount1Requested; - - if (amount0 > 0) { - if (amount0 == protocolFees.token0) amount0--; // ensure that the slot is not cleared, for gas savings - protocolFees.token0 -= amount0; - TransferHelper.safeTransfer(token0, recipient, amount0); - } - if (amount1 > 0) { - if (amount1 == protocolFees.token1) amount1--; // ensure that the slot is not cleared, for gas savings - protocolFees.token1 -= amount1; - TransferHelper.safeTransfer(token1, recipient, amount1); - } - - emit CollectProtocol(msg.sender, recipient, amount0, amount1); - } -} diff --git a/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/IERC20Minimal.sol b/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/IERC20Minimal.sol deleted file mode 100644 index c303265a3..000000000 --- a/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/IERC20Minimal.sol +++ /dev/null @@ -1,52 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-or-later -pragma solidity >=0.5.0; - -/// @title Minimal ERC20 interface for Uniswap -/// @notice Contains a subset of the full ERC20 interface that is used in Uniswap V3 -interface IERC20Minimal { - /// @notice Returns the balance of a token - /// @param account The account for which to look up the number of tokens it has, i.e. its balance - /// @return The number of tokens held by the account - function balanceOf(address account) external view returns (uint256); - - /// @notice Transfers the amount of token from the `msg.sender` to the recipient - /// @param recipient The account that will receive the amount transferred - /// @param amount The number of tokens to send from the sender to the recipient - /// @return Returns true for a successful transfer, false for an unsuccessful transfer - function transfer(address recipient, uint256 amount) external returns (bool); - - /// @notice Returns the current allowance given to a spender by an owner - /// @param owner The account of the token owner - /// @param spender The account of the token spender - /// @return The current allowance granted by `owner` to `spender` - function allowance(address owner, address spender) external view returns (uint256); - - /// @notice Sets the allowance of a spender from the `msg.sender` to the value `amount` - /// @param spender The account which will be allowed to spend a given amount of the owners tokens - /// @param amount The amount of tokens allowed to be used by `spender` - /// @return Returns true for a successful approval, false for unsuccessful - function approve(address spender, uint256 amount) external returns (bool); - - /// @notice Transfers `amount` tokens from `sender` to `recipient` up to the allowance given to the `msg.sender` - /// @param sender The account from which the transfer will be initiated - /// @param recipient The recipient of the transfer - /// @param amount The amount of the transfer - /// @return Returns true for a successful transfer, false for unsuccessful - function transferFrom( - address sender, - address recipient, - uint256 amount - ) external returns (bool); - - /// @notice Event emitted when tokens are transferred from one address to another, either via `#transfer` or `#transferFrom`. - /// @param from The account from which the tokens were sent, i.e. the balance decreased - /// @param to The account to which the tokens were sent, i.e. the balance increased - /// @param value The amount of tokens that were transferred - event Transfer(address indexed from, address indexed to, uint256 value); - - /// @notice Event emitted when the approval amount for the spender of a given owner's tokens changes. - /// @param owner The account that approved spending of its tokens - /// @param spender The account for which the spending allowance was modified - /// @param value The new allowance from the owner to the spender - event Approval(address indexed owner, address indexed spender, uint256 value); -} diff --git a/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/IUniswapV3Factory.sol b/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/IUniswapV3Factory.sol deleted file mode 100644 index 540cfdc68..000000000 --- a/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/IUniswapV3Factory.sol +++ /dev/null @@ -1,78 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-or-later -pragma solidity >=0.5.0; - -/// @title The interface for the Uniswap V3 Factory -/// @notice The Uniswap V3 Factory facilitates creation of Uniswap V3 pools and control over the protocol fees -interface IUniswapV3Factory { - /// @notice Emitted when the owner of the factory is changed - /// @param oldOwner The owner before the owner was changed - /// @param newOwner The owner after the owner was changed - event OwnerChanged(address indexed oldOwner, address indexed newOwner); - - /// @notice Emitted when a pool is created - /// @param token0 The first token of the pool by address sort order - /// @param token1 The second token of the pool by address sort order - /// @param fee The fee collected upon every swap in the pool, denominated in hundredths of a bip - /// @param tickSpacing The minimum number of ticks between initialized ticks - /// @param pool The address of the created pool - event PoolCreated( - address indexed token0, - address indexed token1, - uint24 indexed fee, - int24 tickSpacing, - address pool - ); - - /// @notice Emitted when a new fee amount is enabled for pool creation via the factory - /// @param fee The enabled fee, denominated in hundredths of a bip - /// @param tickSpacing The minimum number of ticks between initialized ticks for pools created with the given fee - event FeeAmountEnabled(uint24 indexed fee, int24 indexed tickSpacing); - - /// @notice Returns the current owner of the factory - /// @dev Can be changed by the current owner via setOwner - /// @return The address of the factory owner - function owner() external view returns (address); - - /// @notice Returns the tick spacing for a given fee amount, if enabled, or 0 if not enabled - /// @dev A fee amount can never be removed, so this value should be hard coded or cached in the calling context - /// @param fee The enabled fee, denominated in hundredths of a bip. Returns 0 in case of unenabled fee - /// @return The tick spacing - function feeAmountTickSpacing(uint24 fee) external view returns (int24); - - /// @notice Returns the pool address for a given pair of tokens and a fee, or address 0 if it does not exist - /// @dev tokenA and tokenB may be passed in either token0/token1 or token1/token0 order - /// @param tokenA The contract address of either token0 or token1 - /// @param tokenB The contract address of the other token - /// @param fee The fee collected upon every swap in the pool, denominated in hundredths of a bip - /// @return pool The pool address - function getPool( - address tokenA, - address tokenB, - uint24 fee - ) external view returns (address pool); - - /// @notice Creates a pool for the given two tokens and fee - /// @param tokenA One of the two tokens in the desired pool - /// @param tokenB The other of the two tokens in the desired pool - /// @param fee The desired fee for the pool - /// @dev tokenA and tokenB may be passed in either order: token0/token1 or token1/token0. tickSpacing is retrieved - /// from the fee. The call will revert if the pool already exists, the fee is invalid, or the token arguments - /// are invalid. - /// @return pool The address of the newly created pool - function createPool( - address tokenA, - address tokenB, - uint24 fee - ) external returns (address pool); - - /// @notice Updates the owner of the factory - /// @dev Must be called by the current owner - /// @param _owner The new owner of the factory - function setOwner(address _owner) external; - - /// @notice Enables a fee amount with the given tickSpacing - /// @dev Fee amounts may never be removed once enabled - /// @param fee The fee amount to enable, denominated in hundredths of a bip (i.e. 1e-6) - /// @param tickSpacing The spacing between ticks to be enforced for all pools created with the given fee amount - function enableFeeAmount(uint24 fee, int24 tickSpacing) external; -} diff --git a/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/IUniswapV3Pool.sol b/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/IUniswapV3Pool.sol deleted file mode 100644 index 56df0500d..000000000 --- a/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/IUniswapV3Pool.sol +++ /dev/null @@ -1,24 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-or-later -pragma solidity >=0.5.0; - -import './pool/IUniswapV3PoolImmutables.sol'; -import './pool/IUniswapV3PoolState.sol'; -import './pool/IUniswapV3PoolDerivedState.sol'; -import './pool/IUniswapV3PoolActions.sol'; -import './pool/IUniswapV3PoolOwnerActions.sol'; -import './pool/IUniswapV3PoolEvents.sol'; - -/// @title The interface for a Uniswap V3 Pool -/// @notice A Uniswap pool facilitates swapping and automated market making between any two assets that strictly conform -/// to the ERC20 specification -/// @dev The pool interface is broken up into many smaller pieces -interface IUniswapV3Pool is - IUniswapV3PoolImmutables, - IUniswapV3PoolState, - IUniswapV3PoolDerivedState, - IUniswapV3PoolActions, - IUniswapV3PoolOwnerActions, - IUniswapV3PoolEvents -{ - -} diff --git a/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/IUniswapV3PoolDeployer.sol b/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/IUniswapV3PoolDeployer.sol deleted file mode 100644 index 72096c1ff..000000000 --- a/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/IUniswapV3PoolDeployer.sol +++ /dev/null @@ -1,26 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-or-later -pragma solidity >=0.5.0; - -/// @title An interface for a contract that is capable of deploying Uniswap V3 Pools -/// @notice A contract that constructs a pool must implement this to pass arguments to the pool -/// @dev This is used to avoid having constructor arguments in the pool contract, which results in the init code hash -/// of the pool being constant allowing the CREATE2 address of the pool to be cheaply computed on-chain -interface IUniswapV3PoolDeployer { - /// @notice Get the parameters to be used in constructing the pool, set transiently during pool creation. - /// @dev Called by the pool constructor to fetch the parameters of the pool - /// Returns factory The factory address - /// Returns token0 The first token of the pool by address sort order - /// Returns token1 The second token of the pool by address sort order - /// Returns fee The fee collected upon every swap in the pool, denominated in hundredths of a bip - /// Returns tickSpacing The minimum number of ticks between initialized ticks - function parameters() - external - view - returns ( - address factory, - address token0, - address token1, - uint24 fee, - int24 tickSpacing - ); -} diff --git a/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/callback/IUniswapV3FlashCallback.sol b/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/callback/IUniswapV3FlashCallback.sol deleted file mode 100644 index 18e54c4e1..000000000 --- a/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/callback/IUniswapV3FlashCallback.sol +++ /dev/null @@ -1,18 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-or-later -pragma solidity >=0.5.0; - -/// @title Callback for IUniswapV3PoolActions#flash -/// @notice Any contract that calls IUniswapV3PoolActions#flash must implement this interface -interface IUniswapV3FlashCallback { - /// @notice Called to `msg.sender` after transferring to the recipient from IUniswapV3Pool#flash. - /// @dev In the implementation you must repay the pool the tokens sent by flash plus the computed fee amounts. - /// The caller of this method must be checked to be a UniswapV3Pool deployed by the canonical UniswapV3Factory. - /// @param fee0 The fee amount in token0 due to the pool by the end of the flash - /// @param fee1 The fee amount in token1 due to the pool by the end of the flash - /// @param data Any data passed through by the caller via the IUniswapV3PoolActions#flash call - function uniswapV3FlashCallback( - uint256 fee0, - uint256 fee1, - bytes calldata data - ) external; -} diff --git a/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/callback/IUniswapV3MintCallback.sol b/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/callback/IUniswapV3MintCallback.sol deleted file mode 100644 index 85447e84f..000000000 --- a/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/callback/IUniswapV3MintCallback.sol +++ /dev/null @@ -1,18 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-or-later -pragma solidity >=0.5.0; - -/// @title Callback for IUniswapV3PoolActions#mint -/// @notice Any contract that calls IUniswapV3PoolActions#mint must implement this interface -interface IUniswapV3MintCallback { - /// @notice Called to `msg.sender` after minting liquidity to a position from IUniswapV3Pool#mint. - /// @dev In the implementation you must pay the pool tokens owed for the minted liquidity. - /// The caller of this method must be checked to be a UniswapV3Pool deployed by the canonical UniswapV3Factory. - /// @param amount0Owed The amount of token0 due to the pool for the minted liquidity - /// @param amount1Owed The amount of token1 due to the pool for the minted liquidity - /// @param data Any data passed through by the caller via the IUniswapV3PoolActions#mint call - function uniswapV3MintCallback( - uint256 amount0Owed, - uint256 amount1Owed, - bytes calldata data - ) external; -} diff --git a/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/callback/IUniswapV3SwapCallback.sol b/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/callback/IUniswapV3SwapCallback.sol deleted file mode 100644 index 9f183b22a..000000000 --- a/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/callback/IUniswapV3SwapCallback.sol +++ /dev/null @@ -1,21 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-or-later -pragma solidity >=0.5.0; - -/// @title Callback for IUniswapV3PoolActions#swap -/// @notice Any contract that calls IUniswapV3PoolActions#swap must implement this interface -interface IUniswapV3SwapCallback { - /// @notice Called to `msg.sender` after executing a swap via IUniswapV3Pool#swap. - /// @dev In the implementation you must pay the pool tokens owed for the swap. - /// The caller of this method must be checked to be a UniswapV3Pool deployed by the canonical UniswapV3Factory. - /// amount0Delta and amount1Delta can both be 0 if no tokens were swapped. - /// @param amount0Delta The amount of token0 that was sent (negative) or must be received (positive) by the pool by - /// the end of the swap. If positive, the callback must send that amount of token0 to the pool. - /// @param amount1Delta The amount of token1 that was sent (negative) or must be received (positive) by the pool by - /// the end of the swap. If positive, the callback must send that amount of token1 to the pool. - /// @param data Any data passed through by the caller via the IUniswapV3PoolActions#swap call - function uniswapV3SwapCallback( - int256 amount0Delta, - int256 amount1Delta, - bytes calldata data - ) external; -} diff --git a/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/pool/IUniswapV3PoolActions.sol b/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/pool/IUniswapV3PoolActions.sol deleted file mode 100644 index 44fb61c24..000000000 --- a/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/pool/IUniswapV3PoolActions.sol +++ /dev/null @@ -1,103 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-or-later -pragma solidity >=0.5.0; - -/// @title Permissionless pool actions -/// @notice Contains pool methods that can be called by anyone -interface IUniswapV3PoolActions { - /// @notice Sets the initial price for the pool - /// @dev Price is represented as a sqrt(amountToken1/amountToken0) Q64.96 value - /// @param sqrtPriceX96 the initial sqrt price of the pool as a Q64.96 - function initialize(uint160 sqrtPriceX96) external; - - /// @notice Adds liquidity for the given recipient/tickLower/tickUpper position - /// @dev The caller of this method receives a callback in the form of IUniswapV3MintCallback#uniswapV3MintCallback - /// in which they must pay any token0 or token1 owed for the liquidity. The amount of token0/token1 due depends - /// on tickLower, tickUpper, the amount of liquidity, and the current price. - /// @param recipient The address for which the liquidity will be created - /// @param tickLower The lower tick of the position in which to add liquidity - /// @param tickUpper The upper tick of the position in which to add liquidity - /// @param amount The amount of liquidity to mint - /// @param data Any data that should be passed through to the callback - /// @return amount0 The amount of token0 that was paid to mint the given amount of liquidity. Matches the value in the callback - /// @return amount1 The amount of token1 that was paid to mint the given amount of liquidity. Matches the value in the callback - function mint( - address recipient, - int24 tickLower, - int24 tickUpper, - uint128 amount, - bytes calldata data - ) external returns (uint256 amount0, uint256 amount1); - - /// @notice Collects tokens owed to a position - /// @dev Does not recompute fees earned, which must be done either via mint or burn of any amount of liquidity. - /// Collect must be called by the position owner. To withdraw only token0 or only token1, amount0Requested or - /// amount1Requested may be set to zero. To withdraw all tokens owed, caller may pass any value greater than the - /// actual tokens owed, e.g. type(uint128).max. Tokens owed may be from accumulated swap fees or burned liquidity. - /// @param recipient The address which should receive the fees collected - /// @param tickLower The lower tick of the position for which to collect fees - /// @param tickUpper The upper tick of the position for which to collect fees - /// @param amount0Requested How much token0 should be withdrawn from the fees owed - /// @param amount1Requested How much token1 should be withdrawn from the fees owed - /// @return amount0 The amount of fees collected in token0 - /// @return amount1 The amount of fees collected in token1 - function collect( - address recipient, - int24 tickLower, - int24 tickUpper, - uint128 amount0Requested, - uint128 amount1Requested - ) external returns (uint128 amount0, uint128 amount1); - - /// @notice Burn liquidity from the sender and account tokens owed for the liquidity to the position - /// @dev Can be used to trigger a recalculation of fees owed to a position by calling with an amount of 0 - /// @dev Fees must be collected separately via a call to #collect - /// @param tickLower The lower tick of the position for which to burn liquidity - /// @param tickUpper The upper tick of the position for which to burn liquidity - /// @param amount How much liquidity to burn - /// @return amount0 The amount of token0 sent to the recipient - /// @return amount1 The amount of token1 sent to the recipient - function burn( - int24 tickLower, - int24 tickUpper, - uint128 amount - ) external returns (uint256 amount0, uint256 amount1); - - /// @notice Swap token0 for token1, or token1 for token0 - /// @dev The caller of this method receives a callback in the form of IUniswapV3SwapCallback#uniswapV3SwapCallback - /// @param recipient The address to receive the output of the swap - /// @param zeroForOne The direction of the swap, true for token0 to token1, false for token1 to token0 - /// @param amountSpecified The amount of the swap, which implicitly configures the swap as exact input (positive), or exact output (negative) - /// @param sqrtPriceLimitX96 The Q64.96 sqrt price limit. If zero for one, the price cannot be less than this - /// value after the swap. If one for zero, the price cannot be greater than this value after the swap - /// @param data Any data to be passed through to the callback - /// @return amount0 The delta of the balance of token0 of the pool, exact when negative, minimum when positive - /// @return amount1 The delta of the balance of token1 of the pool, exact when negative, minimum when positive - function swap( - address recipient, - bool zeroForOne, - int256 amountSpecified, - uint160 sqrtPriceLimitX96, - bytes calldata data - ) external returns (int256 amount0, int256 amount1); - - /// @notice Receive token0 and/or token1 and pay it back, plus a fee, in the callback - /// @dev The caller of this method receives a callback in the form of IUniswapV3FlashCallback#uniswapV3FlashCallback - /// @dev Can be used to donate underlying tokens pro-rata to currently in-range liquidity providers by calling - /// with 0 amount{0,1} and sending the donation amount(s) from the callback - /// @param recipient The address which will receive the token0 and token1 amounts - /// @param amount0 The amount of token0 to send - /// @param amount1 The amount of token1 to send - /// @param data Any data to be passed through to the callback - function flash( - address recipient, - uint256 amount0, - uint256 amount1, - bytes calldata data - ) external; - - /// @notice Increase the maximum number of price and liquidity observations that this pool will store - /// @dev This method is no-op if the pool already has an observationCardinalityNext greater than or equal to - /// the input observationCardinalityNext. - /// @param observationCardinalityNext The desired minimum number of observations for the pool to store - function increaseObservationCardinalityNext(uint16 observationCardinalityNext) external; -} diff --git a/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/pool/IUniswapV3PoolDerivedState.sol b/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/pool/IUniswapV3PoolDerivedState.sol deleted file mode 100644 index eda3a0089..000000000 --- a/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/pool/IUniswapV3PoolDerivedState.sol +++ /dev/null @@ -1,40 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-or-later -pragma solidity >=0.5.0; - -/// @title Pool state that is not stored -/// @notice Contains view functions to provide information about the pool that is computed rather than stored on the -/// blockchain. The functions here may have variable gas costs. -interface IUniswapV3PoolDerivedState { - /// @notice Returns the cumulative tick and liquidity as of each timestamp `secondsAgo` from the current block timestamp - /// @dev To get a time weighted average tick or liquidity-in-range, you must call this with two values, one representing - /// the beginning of the period and another for the end of the period. E.g., to get the last hour time-weighted average tick, - /// you must call it with secondsAgos = [3600, 0]. - /// @dev The time weighted average tick represents the geometric time weighted average price of the pool, in - /// log base sqrt(1.0001) of token1 / token0. The TickMath library can be used to go from a tick value to a ratio. - /// @param secondsAgos From how long ago each cumulative tick and liquidity value should be returned - /// @return tickCumulatives Cumulative tick values as of each `secondsAgos` from the current block timestamp - /// @return secondsPerLiquidityCumulativeX128s Cumulative seconds per liquidity-in-range value as of each `secondsAgos` from the current block - /// timestamp - function observe(uint32[] calldata secondsAgos) - external - view - returns (int56[] memory tickCumulatives, uint160[] memory secondsPerLiquidityCumulativeX128s); - - /// @notice Returns a snapshot of the tick cumulative, seconds per liquidity and seconds inside a tick range - /// @dev Snapshots must only be compared to other snapshots, taken over a period for which a position existed. - /// I.e., snapshots cannot be compared if a position is not held for the entire period between when the first - /// snapshot is taken and the second snapshot is taken. - /// @param tickLower The lower tick of the range - /// @param tickUpper The upper tick of the range - /// @return tickCumulativeInside The snapshot of the tick accumulator for the range - /// @return secondsPerLiquidityInsideX128 The snapshot of seconds per liquidity for the range - /// @return secondsInside The snapshot of seconds per liquidity for the range - function snapshotCumulativesInside(int24 tickLower, int24 tickUpper) - external - view - returns ( - int56 tickCumulativeInside, - uint160 secondsPerLiquidityInsideX128, - uint32 secondsInside - ); -} diff --git a/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/pool/IUniswapV3PoolEvents.sol b/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/pool/IUniswapV3PoolEvents.sol deleted file mode 100644 index 9d915dde9..000000000 --- a/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/pool/IUniswapV3PoolEvents.sol +++ /dev/null @@ -1,121 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-or-later -pragma solidity >=0.5.0; - -/// @title Events emitted by a pool -/// @notice Contains all events emitted by the pool -interface IUniswapV3PoolEvents { - /// @notice Emitted exactly once by a pool when #initialize is first called on the pool - /// @dev Mint/Burn/Swap cannot be emitted by the pool before Initialize - /// @param sqrtPriceX96 The initial sqrt price of the pool, as a Q64.96 - /// @param tick The initial tick of the pool, i.e. log base 1.0001 of the starting price of the pool - event Initialize(uint160 sqrtPriceX96, int24 tick); - - /// @notice Emitted when liquidity is minted for a given position - /// @param sender The address that minted the liquidity - /// @param owner The owner of the position and recipient of any minted liquidity - /// @param tickLower The lower tick of the position - /// @param tickUpper The upper tick of the position - /// @param amount The amount of liquidity minted to the position range - /// @param amount0 How much token0 was required for the minted liquidity - /// @param amount1 How much token1 was required for the minted liquidity - event Mint( - address sender, - address indexed owner, - int24 indexed tickLower, - int24 indexed tickUpper, - uint128 amount, - uint256 amount0, - uint256 amount1 - ); - - /// @notice Emitted when fees are collected by the owner of a position - /// @dev Collect events may be emitted with zero amount0 and amount1 when the caller chooses not to collect fees - /// @param owner The owner of the position for which fees are collected - /// @param tickLower The lower tick of the position - /// @param tickUpper The upper tick of the position - /// @param amount0 The amount of token0 fees collected - /// @param amount1 The amount of token1 fees collected - event Collect( - address indexed owner, - address recipient, - int24 indexed tickLower, - int24 indexed tickUpper, - uint128 amount0, - uint128 amount1 - ); - - /// @notice Emitted when a position's liquidity is removed - /// @dev Does not withdraw any fees earned by the liquidity position, which must be withdrawn via #collect - /// @param owner The owner of the position for which liquidity is removed - /// @param tickLower The lower tick of the position - /// @param tickUpper The upper tick of the position - /// @param amount The amount of liquidity to remove - /// @param amount0 The amount of token0 withdrawn - /// @param amount1 The amount of token1 withdrawn - event Burn( - address indexed owner, - int24 indexed tickLower, - int24 indexed tickUpper, - uint128 amount, - uint256 amount0, - uint256 amount1 - ); - - /// @notice Emitted by the pool for any swaps between token0 and token1 - /// @param sender The address that initiated the swap call, and that received the callback - /// @param recipient The address that received the output of the swap - /// @param amount0 The delta of the token0 balance of the pool - /// @param amount1 The delta of the token1 balance of the pool - /// @param sqrtPriceX96 The sqrt(price) of the pool after the swap, as a Q64.96 - /// @param liquidity The liquidity of the pool after the swap - /// @param tick The log base 1.0001 of price of the pool after the swap - event Swap( - address indexed sender, - address indexed recipient, - int256 amount0, - int256 amount1, - uint160 sqrtPriceX96, - uint128 liquidity, - int24 tick - ); - - /// @notice Emitted by the pool for any flashes of token0/token1 - /// @param sender The address that initiated the swap call, and that received the callback - /// @param recipient The address that received the tokens from flash - /// @param amount0 The amount of token0 that was flashed - /// @param amount1 The amount of token1 that was flashed - /// @param paid0 The amount of token0 paid for the flash, which can exceed the amount0 plus the fee - /// @param paid1 The amount of token1 paid for the flash, which can exceed the amount1 plus the fee - event Flash( - address indexed sender, - address indexed recipient, - uint256 amount0, - uint256 amount1, - uint256 paid0, - uint256 paid1 - ); - - /// @notice Emitted by the pool for increases to the number of observations that can be stored - /// @dev observationCardinalityNext is not the observation cardinality until an observation is written at the index - /// just before a mint/swap/burn. - /// @param observationCardinalityNextOld The previous value of the next observation cardinality - /// @param observationCardinalityNextNew The updated value of the next observation cardinality - event IncreaseObservationCardinalityNext( - uint16 observationCardinalityNextOld, - uint16 observationCardinalityNextNew - ); - - /// @notice Emitted when the protocol fee is changed by the pool - /// @param feeProtocol0Old The previous value of the token0 protocol fee - /// @param feeProtocol1Old The previous value of the token1 protocol fee - /// @param feeProtocol0New The updated value of the token0 protocol fee - /// @param feeProtocol1New The updated value of the token1 protocol fee - event SetFeeProtocol(uint8 feeProtocol0Old, uint8 feeProtocol1Old, uint8 feeProtocol0New, uint8 feeProtocol1New); - - /// @notice Emitted when the collected protocol fees are withdrawn by the factory owner - /// @param sender The address that collects the protocol fees - /// @param recipient The address that receives the collected protocol fees - /// @param amount0 The amount of token0 protocol fees that is withdrawn - /// @param amount0 The amount of token1 protocol fees that is withdrawn - event CollectProtocol(address indexed sender, address indexed recipient, uint128 amount0, uint128 amount1); -} diff --git a/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/pool/IUniswapV3PoolImmutables.sol b/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/pool/IUniswapV3PoolImmutables.sol deleted file mode 100644 index c9beb151e..000000000 --- a/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/pool/IUniswapV3PoolImmutables.sol +++ /dev/null @@ -1,35 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-or-later -pragma solidity >=0.5.0; - -/// @title Pool state that never changes -/// @notice These parameters are fixed for a pool forever, i.e., the methods will always return the same values -interface IUniswapV3PoolImmutables { - /// @notice The contract that deployed the pool, which must adhere to the IUniswapV3Factory interface - /// @return The contract address - function factory() external view returns (address); - - /// @notice The first of the two tokens of the pool, sorted by address - /// @return The token contract address - function token0() external view returns (address); - - /// @notice The second of the two tokens of the pool, sorted by address - /// @return The token contract address - function token1() external view returns (address); - - /// @notice The pool's fee in hundredths of a bip, i.e. 1e-6 - /// @return The fee - function fee() external view returns (uint24); - - /// @notice The pool tick spacing - /// @dev Ticks can only be used at multiples of this value, minimum of 1 and always positive - /// e.g.: a tickSpacing of 3 means ticks can be initialized every 3rd tick, i.e., ..., -6, -3, 0, 3, 6, ... - /// This value is an int24 to avoid casting even though it is always positive. - /// @return The tick spacing - function tickSpacing() external view returns (int24); - - /// @notice The maximum amount of position liquidity that can use any tick in the range - /// @dev This parameter is enforced per tick to prevent liquidity from overflowing a uint128 at any point, and - /// also prevents out-of-range liquidity from being used to prevent adding in-range liquidity to a pool - /// @return The max amount of liquidity per tick - function maxLiquidityPerTick() external view returns (uint128); -} diff --git a/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/pool/IUniswapV3PoolOwnerActions.sol b/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/pool/IUniswapV3PoolOwnerActions.sol deleted file mode 100644 index 2395ed321..000000000 --- a/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/pool/IUniswapV3PoolOwnerActions.sol +++ /dev/null @@ -1,23 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-or-later -pragma solidity >=0.5.0; - -/// @title Permissioned pool actions -/// @notice Contains pool methods that may only be called by the factory owner -interface IUniswapV3PoolOwnerActions { - /// @notice Set the denominator of the protocol's % share of the fees - /// @param feeProtocol0 new protocol fee for token0 of the pool - /// @param feeProtocol1 new protocol fee for token1 of the pool - function setFeeProtocol(uint8 feeProtocol0, uint8 feeProtocol1) external; - - /// @notice Collect the protocol fee accrued to the pool - /// @param recipient The address to which collected protocol fees should be sent - /// @param amount0Requested The maximum amount of token0 to send, can be 0 to collect fees in only token1 - /// @param amount1Requested The maximum amount of token1 to send, can be 0 to collect fees in only token0 - /// @return amount0 The protocol fee collected in token0 - /// @return amount1 The protocol fee collected in token1 - function collectProtocol( - address recipient, - uint128 amount0Requested, - uint128 amount1Requested - ) external returns (uint128 amount0, uint128 amount1); -} diff --git a/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/pool/IUniswapV3PoolState.sol b/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/pool/IUniswapV3PoolState.sol deleted file mode 100644 index 620256c31..000000000 --- a/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/interfaces/pool/IUniswapV3PoolState.sol +++ /dev/null @@ -1,116 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-or-later -pragma solidity >=0.5.0; - -/// @title Pool state that can change -/// @notice These methods compose the pool's state, and can change with any frequency including multiple times -/// per transaction -interface IUniswapV3PoolState { - /// @notice The 0th storage slot in the pool stores many values, and is exposed as a single method to save gas - /// when accessed externally. - /// @return sqrtPriceX96 The current price of the pool as a sqrt(token1/token0) Q64.96 value - /// tick The current tick of the pool, i.e. according to the last tick transition that was run. - /// This value may not always be equal to SqrtTickMath.getTickAtSqrtRatio(sqrtPriceX96) if the price is on a tick - /// boundary. - /// observationIndex The index of the last oracle observation that was written, - /// observationCardinality The current maximum number of observations stored in the pool, - /// observationCardinalityNext The next maximum number of observations, to be updated when the observation. - /// feeProtocol The protocol fee for both tokens of the pool. - /// Encoded as two 4 bit values, where the protocol fee of token1 is shifted 4 bits and the protocol fee of token0 - /// is the lower 4 bits. Used as the denominator of a fraction of the swap fee, e.g. 4 means 1/4th of the swap fee. - /// unlocked Whether the pool is currently locked to reentrancy - function slot0() - external - view - returns ( - uint160 sqrtPriceX96, - int24 tick, - uint16 observationIndex, - uint16 observationCardinality, - uint16 observationCardinalityNext, - uint8 feeProtocol, - bool unlocked - ); - - /// @notice The fee growth as a Q128.128 fees of token0 collected per unit of liquidity for the entire life of the pool - /// @dev This value can overflow the uint256 - function feeGrowthGlobal0X128() external view returns (uint256); - - /// @notice The fee growth as a Q128.128 fees of token1 collected per unit of liquidity for the entire life of the pool - /// @dev This value can overflow the uint256 - function feeGrowthGlobal1X128() external view returns (uint256); - - /// @notice The amounts of token0 and token1 that are owed to the protocol - /// @dev Protocol fees will never exceed uint128 max in either token - function protocolFees() external view returns (uint128 token0, uint128 token1); - - /// @notice The currently in range liquidity available to the pool - /// @dev This value has no relationship to the total liquidity across all ticks - function liquidity() external view returns (uint128); - - /// @notice Look up information about a specific tick in the pool - /// @param tick The tick to look up - /// @return liquidityGross the total amount of position liquidity that uses the pool either as tick lower or - /// tick upper, - /// liquidityNet how much liquidity changes when the pool price crosses the tick, - /// feeGrowthOutside0X128 the fee growth on the other side of the tick from the current tick in token0, - /// feeGrowthOutside1X128 the fee growth on the other side of the tick from the current tick in token1, - /// tickCumulativeOutside the cumulative tick value on the other side of the tick from the current tick - /// secondsPerLiquidityOutsideX128 the seconds spent per liquidity on the other side of the tick from the current tick, - /// secondsOutside the seconds spent on the other side of the tick from the current tick, - /// initialized Set to true if the tick is initialized, i.e. liquidityGross is greater than 0, otherwise equal to false. - /// Outside values can only be used if the tick is initialized, i.e. if liquidityGross is greater than 0. - /// In addition, these values are only relative and must be used only in comparison to previous snapshots for - /// a specific position. - function ticks(int24 tick) - external - view - returns ( - uint128 liquidityGross, - int128 liquidityNet, - uint256 feeGrowthOutside0X128, - uint256 feeGrowthOutside1X128, - int56 tickCumulativeOutside, - uint160 secondsPerLiquidityOutsideX128, - uint32 secondsOutside, - bool initialized - ); - - /// @notice Returns 256 packed tick initialized boolean values. See TickBitmap for more information - function tickBitmap(int16 wordPosition) external view returns (uint256); - - /// @notice Returns the information about a position by the position's key - /// @param key The position's key is a hash of a preimage composed by the owner, tickLower and tickUpper - /// @return _liquidity The amount of liquidity in the position, - /// Returns feeGrowthInside0LastX128 fee growth of token0 inside the tick range as of the last mint/burn/poke, - /// Returns feeGrowthInside1LastX128 fee growth of token1 inside the tick range as of the last mint/burn/poke, - /// Returns tokensOwed0 the computed amount of token0 owed to the position as of the last mint/burn/poke, - /// Returns tokensOwed1 the computed amount of token1 owed to the position as of the last mint/burn/poke - function positions(bytes32 key) - external - view - returns ( - uint128 _liquidity, - uint256 feeGrowthInside0LastX128, - uint256 feeGrowthInside1LastX128, - uint128 tokensOwed0, - uint128 tokensOwed1 - ); - - /// @notice Returns data about a specific observation index - /// @param index The element of the observations array to fetch - /// @dev You most likely want to use #observe() instead of this method to get an observation as of some amount of time - /// ago, rather than at a specific index in the array. - /// @return blockTimestamp The timestamp of the observation, - /// Returns tickCumulative the tick multiplied by seconds elapsed for the life of the pool as of the observation timestamp, - /// Returns secondsPerLiquidityCumulativeX128 the seconds per in range liquidity for the life of the pool as of the observation timestamp, - /// Returns initialized whether the observation has been initialized and the values are safe to use - function observations(uint256 index) - external - view - returns ( - uint32 blockTimestamp, - int56 tickCumulative, - uint160 secondsPerLiquidityCumulativeX128, - bool initialized - ); -} diff --git a/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/BitMath.sol b/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/BitMath.sol deleted file mode 100644 index 3a7216c7b..000000000 --- a/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/BitMath.sol +++ /dev/null @@ -1,94 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-or-later -pragma solidity >=0.5.0; - -/// @title BitMath -/// @dev This library provides functionality for computing bit properties of an unsigned integer -library BitMath { - /// @notice Returns the index of the most significant bit of the number, - /// where the least significant bit is at index 0 and the most significant bit is at index 255 - /// @dev The function satisfies the property: - /// x >= 2**mostSignificantBit(x) and x < 2**(mostSignificantBit(x)+1) - /// @param x the value for which to compute the most significant bit, must be greater than 0 - /// @return r the index of the most significant bit - function mostSignificantBit(uint256 x) internal pure returns (uint8 r) { - require(x > 0); - - if (x >= 0x100000000000000000000000000000000) { - x >>= 128; - r += 128; - } - if (x >= 0x10000000000000000) { - x >>= 64; - r += 64; - } - if (x >= 0x100000000) { - x >>= 32; - r += 32; - } - if (x >= 0x10000) { - x >>= 16; - r += 16; - } - if (x >= 0x100) { - x >>= 8; - r += 8; - } - if (x >= 0x10) { - x >>= 4; - r += 4; - } - if (x >= 0x4) { - x >>= 2; - r += 2; - } - if (x >= 0x2) r += 1; - } - - /// @notice Returns the index of the least significant bit of the number, - /// where the least significant bit is at index 0 and the most significant bit is at index 255 - /// @dev The function satisfies the property: - /// (x & 2**leastSignificantBit(x)) != 0 and (x & (2**(leastSignificantBit(x)) - 1)) == 0) - /// @param x the value for which to compute the least significant bit, must be greater than 0 - /// @return r the index of the least significant bit - function leastSignificantBit(uint256 x) internal pure returns (uint8 r) { - require(x > 0); - - r = 255; - if (x & type(uint128).max > 0) { - r -= 128; - } else { - x >>= 128; - } - if (x & type(uint64).max > 0) { - r -= 64; - } else { - x >>= 64; - } - if (x & type(uint32).max > 0) { - r -= 32; - } else { - x >>= 32; - } - if (x & type(uint16).max > 0) { - r -= 16; - } else { - x >>= 16; - } - if (x & type(uint8).max > 0) { - r -= 8; - } else { - x >>= 8; - } - if (x & 0xf > 0) { - r -= 4; - } else { - x >>= 4; - } - if (x & 0x3 > 0) { - r -= 2; - } else { - x >>= 2; - } - if (x & 0x1 > 0) r -= 1; - } -} diff --git a/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/FixedPoint128.sol b/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/FixedPoint128.sol deleted file mode 100644 index 6d6948b10..000000000 --- a/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/FixedPoint128.sol +++ /dev/null @@ -1,8 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-or-later -pragma solidity >=0.4.0; - -/// @title FixedPoint128 -/// @notice A library for handling binary fixed point numbers, see https://en.wikipedia.org/wiki/Q_(number_format) -library FixedPoint128 { - uint256 internal constant Q128 = 0x100000000000000000000000000000000; -} diff --git a/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/FixedPoint96.sol b/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/FixedPoint96.sol deleted file mode 100644 index 63b42c294..000000000 --- a/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/FixedPoint96.sol +++ /dev/null @@ -1,10 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-or-later -pragma solidity >=0.4.0; - -/// @title FixedPoint96 -/// @notice A library for handling binary fixed point numbers, see https://en.wikipedia.org/wiki/Q_(number_format) -/// @dev Used in SqrtPriceMath.sol -library FixedPoint96 { - uint8 internal constant RESOLUTION = 96; - uint256 internal constant Q96 = 0x1000000000000000000000000; -} diff --git a/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/FullMath.sol b/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/FullMath.sol deleted file mode 100644 index 8688a1773..000000000 --- a/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/FullMath.sol +++ /dev/null @@ -1,124 +0,0 @@ -// SPDX-License-Identifier: MIT -pragma solidity >=0.4.0; - -/// @title Contains 512-bit math functions -/// @notice Facilitates multiplication and division that can have overflow of an intermediate value without any loss of precision -/// @dev Handles "phantom overflow" i.e., allows multiplication and division where an intermediate value overflows 256 bits -library FullMath { - /// @notice Calculates floor(a×b÷denominator) with full precision. Throws if result overflows a uint256 or denominator == 0 - /// @param a The multiplicand - /// @param b The multiplier - /// @param denominator The divisor - /// @return result The 256-bit result - /// @dev Credit to Remco Bloemen under MIT license https://xn--2-umb.com/21/muldiv - function mulDiv( - uint256 a, - uint256 b, - uint256 denominator - ) internal pure returns (uint256 result) { - // 512-bit multiply [prod1 prod0] = a * b - // Compute the product mod 2**256 and mod 2**256 - 1 - // then use the Chinese Remainder Theorem to reconstruct - // the 512 bit result. The result is stored in two 256 - // variables such that product = prod1 * 2**256 + prod0 - uint256 prod0; // Least significant 256 bits of the product - uint256 prod1; // Most significant 256 bits of the product - assembly { - let mm := mulmod(a, b, not(0)) - prod0 := mul(a, b) - prod1 := sub(sub(mm, prod0), lt(mm, prod0)) - } - - // Handle non-overflow cases, 256 by 256 division - if (prod1 == 0) { - require(denominator > 0); - assembly { - result := div(prod0, denominator) - } - return result; - } - - // Make sure the result is less than 2**256. - // Also prevents denominator == 0 - require(denominator > prod1); - - /////////////////////////////////////////////// - // 512 by 256 division. - /////////////////////////////////////////////// - - // Make division exact by subtracting the remainder from [prod1 prod0] - // Compute remainder using mulmod - uint256 remainder; - assembly { - remainder := mulmod(a, b, denominator) - } - // Subtract 256 bit number from 512 bit number - assembly { - prod1 := sub(prod1, gt(remainder, prod0)) - prod0 := sub(prod0, remainder) - } - - // Factor powers of two out of denominator - // Compute largest power of two divisor of denominator. - // Always >= 1. - uint256 twos = -denominator & denominator; - // Divide denominator by power of two - assembly { - denominator := div(denominator, twos) - } - - // Divide [prod1 prod0] by the factors of two - assembly { - prod0 := div(prod0, twos) - } - // Shift in bits from prod1 into prod0. For this we need - // to flip `twos` such that it is 2**256 / twos. - // If twos is zero, then it becomes one - assembly { - twos := add(div(sub(0, twos), twos), 1) - } - prod0 |= prod1 * twos; - - // Invert denominator mod 2**256 - // Now that denominator is an odd number, it has an inverse - // modulo 2**256 such that denominator * inv = 1 mod 2**256. - // Compute the inverse by starting with a seed that is correct - // correct for four bits. That is, denominator * inv = 1 mod 2**4 - uint256 inv = (3 * denominator) ^ 2; - // Now use Newton-Raphson iteration to improve the precision. - // Thanks to Hensel's lifting lemma, this also works in modular - // arithmetic, doubling the correct bits in each step. - inv *= 2 - denominator * inv; // inverse mod 2**8 - inv *= 2 - denominator * inv; // inverse mod 2**16 - inv *= 2 - denominator * inv; // inverse mod 2**32 - inv *= 2 - denominator * inv; // inverse mod 2**64 - inv *= 2 - denominator * inv; // inverse mod 2**128 - inv *= 2 - denominator * inv; // inverse mod 2**256 - - // Because the division is now exact we can divide by multiplying - // with the modular inverse of denominator. This will give us the - // correct result modulo 2**256. Since the precoditions guarantee - // that the outcome is less than 2**256, this is the final result. - // We don't need to compute the high bits of the result and prod1 - // is no longer required. - result = prod0 * inv; - return result; - } - - /// @notice Calculates ceil(a×b÷denominator) with full precision. Throws if result overflows a uint256 or denominator == 0 - /// @param a The multiplicand - /// @param b The multiplier - /// @param denominator The divisor - /// @return result The 256-bit result - function mulDivRoundingUp( - uint256 a, - uint256 b, - uint256 denominator - ) internal pure returns (uint256 result) { - result = mulDiv(a, b, denominator); - if (mulmod(a, b, denominator) > 0) { - require(result < type(uint256).max); - result++; - } - } -} diff --git a/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/LiquidityMath.sol b/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/LiquidityMath.sol deleted file mode 100644 index d5e23032e..000000000 --- a/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/LiquidityMath.sol +++ /dev/null @@ -1,17 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-or-later -pragma solidity >=0.5.0; - -/// @title Math library for liquidity -library LiquidityMath { - /// @notice Add a signed liquidity delta to liquidity and revert if it overflows or underflows - /// @param x The liquidity before change - /// @param y The delta by which liquidity should be changed - /// @return z The liquidity delta - function addDelta(uint128 x, int128 y) internal pure returns (uint128 z) { - if (y < 0) { - require((z = x - uint128(-y)) < x, 'LS'); - } else { - require((z = x + uint128(y)) >= x, 'LA'); - } - } -} diff --git a/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/LowGasSafeMath.sol b/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/LowGasSafeMath.sol deleted file mode 100644 index dbc817c2e..000000000 --- a/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/LowGasSafeMath.sol +++ /dev/null @@ -1,46 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-or-later -pragma solidity >=0.7.0; - -/// @title Optimized overflow and underflow safe math operations -/// @notice Contains methods for doing math operations that revert on overflow or underflow for minimal gas cost -library LowGasSafeMath { - /// @notice Returns x + y, reverts if sum overflows uint256 - /// @param x The augend - /// @param y The addend - /// @return z The sum of x and y - function add(uint256 x, uint256 y) internal pure returns (uint256 z) { - require((z = x + y) >= x); - } - - /// @notice Returns x - y, reverts if underflows - /// @param x The minuend - /// @param y The subtrahend - /// @return z The difference of x and y - function sub(uint256 x, uint256 y) internal pure returns (uint256 z) { - require((z = x - y) <= x); - } - - /// @notice Returns x * y, reverts if overflows - /// @param x The multiplicand - /// @param y The multiplier - /// @return z The product of x and y - function mul(uint256 x, uint256 y) internal pure returns (uint256 z) { - require(x == 0 || (z = x * y) / x == y); - } - - /// @notice Returns x + y, reverts if overflows or underflows - /// @param x The augend - /// @param y The addend - /// @return z The sum of x and y - function add(int256 x, int256 y) internal pure returns (int256 z) { - require((z = x + y) >= x == (y >= 0)); - } - - /// @notice Returns x - y, reverts if overflows or underflows - /// @param x The minuend - /// @param y The subtrahend - /// @return z The difference of x and y - function sub(int256 x, int256 y) internal pure returns (int256 z) { - require((z = x - y) <= x == (y >= 0)); - } -} diff --git a/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/Oracle.sol b/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/Oracle.sol deleted file mode 100644 index 3f6b3f32c..000000000 --- a/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/Oracle.sol +++ /dev/null @@ -1,325 +0,0 @@ -// SPDX-License-Identifier: BUSL-1.1 -pragma solidity >=0.5.0; - -/// @title Oracle -/// @notice Provides price and liquidity data useful for a wide variety of system designs -/// @dev Instances of stored oracle data, "observations", are collected in the oracle array -/// Every pool is initialized with an oracle array length of 1. Anyone can pay the SSTOREs to increase the -/// maximum length of the oracle array. New slots will be added when the array is fully populated. -/// Observations are overwritten when the full length of the oracle array is populated. -/// The most recent observation is available, independent of the length of the oracle array, by passing 0 to observe() -library Oracle { - struct Observation { - // the block timestamp of the observation - uint32 blockTimestamp; - // the tick accumulator, i.e. tick * time elapsed since the pool was first initialized - int56 tickCumulative; - // the seconds per liquidity, i.e. seconds elapsed / max(1, liquidity) since the pool was first initialized - uint160 secondsPerLiquidityCumulativeX128; - // whether or not the observation is initialized - bool initialized; - } - - /// @notice Transforms a previous observation into a new observation, given the passage of time and the current tick and liquidity values - /// @dev blockTimestamp _must_ be chronologically equal to or greater than last.blockTimestamp, safe for 0 or 1 overflows - /// @param last The specified observation to be transformed - /// @param blockTimestamp The timestamp of the new observation - /// @param tick The active tick at the time of the new observation - /// @param liquidity The total in-range liquidity at the time of the new observation - /// @return Observation The newly populated observation - function transform( - Observation memory last, - uint32 blockTimestamp, - int24 tick, - uint128 liquidity - ) private pure returns (Observation memory) { - uint32 delta = blockTimestamp - last.blockTimestamp; - return - Observation({ - blockTimestamp: blockTimestamp, - tickCumulative: last.tickCumulative + int56(tick) * delta, - secondsPerLiquidityCumulativeX128: last.secondsPerLiquidityCumulativeX128 + - ((uint160(delta) << 128) / (liquidity > 0 ? liquidity : 1)), - initialized: true - }); - } - - /// @notice Initialize the oracle array by writing the first slot. Called once for the lifecycle of the observations array - /// @param self The stored oracle array - /// @param time The time of the oracle initialization, via block.timestamp truncated to uint32 - /// @return cardinality The number of populated elements in the oracle array - /// @return cardinalityNext The new length of the oracle array, independent of population - function initialize(Observation[65535] storage self, uint32 time) - internal - returns (uint16 cardinality, uint16 cardinalityNext) - { - self[0] = Observation({ - blockTimestamp: time, - tickCumulative: 0, - secondsPerLiquidityCumulativeX128: 0, - initialized: true - }); - return (1, 1); - } - - /// @notice Writes an oracle observation to the array - /// @dev Writable at most once per block. Index represents the most recently written element. cardinality and index must be tracked externally. - /// If the index is at the end of the allowable array length (according to cardinality), and the next cardinality - /// is greater than the current one, cardinality may be increased. This restriction is created to preserve ordering. - /// @param self The stored oracle array - /// @param index The index of the observation that was most recently written to the observations array - /// @param blockTimestamp The timestamp of the new observation - /// @param tick The active tick at the time of the new observation - /// @param liquidity The total in-range liquidity at the time of the new observation - /// @param cardinality The number of populated elements in the oracle array - /// @param cardinalityNext The new length of the oracle array, independent of population - /// @return indexUpdated The new index of the most recently written element in the oracle array - /// @return cardinalityUpdated The new cardinality of the oracle array - function write( - Observation[65535] storage self, - uint16 index, - uint32 blockTimestamp, - int24 tick, - uint128 liquidity, - uint16 cardinality, - uint16 cardinalityNext - ) internal returns (uint16 indexUpdated, uint16 cardinalityUpdated) { - Observation memory last = self[index]; - - // early return if we've already written an observation this block - if (last.blockTimestamp == blockTimestamp) return (index, cardinality); - - // if the conditions are right, we can bump the cardinality - if (cardinalityNext > cardinality && index == (cardinality - 1)) { - cardinalityUpdated = cardinalityNext; - } else { - cardinalityUpdated = cardinality; - } - - indexUpdated = (index + 1) % cardinalityUpdated; - self[indexUpdated] = transform(last, blockTimestamp, tick, liquidity); - } - - /// @notice Prepares the oracle array to store up to `next` observations - /// @param self The stored oracle array - /// @param current The current next cardinality of the oracle array - /// @param next The proposed next cardinality which will be populated in the oracle array - /// @return next The next cardinality which will be populated in the oracle array - function grow( - Observation[65535] storage self, - uint16 current, - uint16 next - ) internal returns (uint16) { - require(current > 0, 'I'); - // no-op if the passed next value isn't greater than the current next value - if (next <= current) return current; - // store in each slot to prevent fresh SSTOREs in swaps - // this data will not be used because the initialized boolean is still false - for (uint16 i = current; i < next; i++) self[i].blockTimestamp = 1; - return next; - } - - /// @notice comparator for 32-bit timestamps - /// @dev safe for 0 or 1 overflows, a and b _must_ be chronologically before or equal to time - /// @param time A timestamp truncated to 32 bits - /// @param a A comparison timestamp from which to determine the relative position of `time` - /// @param b From which to determine the relative position of `time` - /// @return bool Whether `a` is chronologically <= `b` - function lte( - uint32 time, - uint32 a, - uint32 b - ) private pure returns (bool) { - // if there hasn't been overflow, no need to adjust - if (a <= time && b <= time) return a <= b; - - uint256 aAdjusted = a > time ? a : a + 2**32; - uint256 bAdjusted = b > time ? b : b + 2**32; - - return aAdjusted <= bAdjusted; - } - - /// @notice Fetches the observations beforeOrAt and atOrAfter a target, i.e. where [beforeOrAt, atOrAfter] is satisfied. - /// The result may be the same observation, or adjacent observations. - /// @dev The answer must be contained in the array, used when the target is located within the stored observation - /// boundaries: older than the most recent observation and younger, or the same age as, the oldest observation - /// @param self The stored oracle array - /// @param time The current block.timestamp - /// @param target The timestamp at which the reserved observation should be for - /// @param index The index of the observation that was most recently written to the observations array - /// @param cardinality The number of populated elements in the oracle array - /// @return beforeOrAt The observation recorded before, or at, the target - /// @return atOrAfter The observation recorded at, or after, the target - function binarySearch( - Observation[65535] storage self, - uint32 time, - uint32 target, - uint16 index, - uint16 cardinality - ) private view returns (Observation memory beforeOrAt, Observation memory atOrAfter) { - uint256 l = (index + 1) % cardinality; // oldest observation - uint256 r = l + cardinality - 1; // newest observation - uint256 i; - while (true) { - i = (l + r) / 2; - - beforeOrAt = self[i % cardinality]; - - // we've landed on an uninitialized tick, keep searching higher (more recently) - if (!beforeOrAt.initialized) { - l = i + 1; - continue; - } - - atOrAfter = self[(i + 1) % cardinality]; - - bool targetAtOrAfter = lte(time, beforeOrAt.blockTimestamp, target); - - // check if we've found the answer! - if (targetAtOrAfter && lte(time, target, atOrAfter.blockTimestamp)) break; - - if (!targetAtOrAfter) r = i - 1; - else l = i + 1; - } - } - - /// @notice Fetches the observations beforeOrAt and atOrAfter a given target, i.e. where [beforeOrAt, atOrAfter] is satisfied - /// @dev Assumes there is at least 1 initialized observation. - /// Used by observeSingle() to compute the counterfactual accumulator values as of a given block timestamp. - /// @param self The stored oracle array - /// @param time The current block.timestamp - /// @param target The timestamp at which the reserved observation should be for - /// @param tick The active tick at the time of the returned or simulated observation - /// @param index The index of the observation that was most recently written to the observations array - /// @param liquidity The total pool liquidity at the time of the call - /// @param cardinality The number of populated elements in the oracle array - /// @return beforeOrAt The observation which occurred at, or before, the given timestamp - /// @return atOrAfter The observation which occurred at, or after, the given timestamp - function getSurroundingObservations( - Observation[65535] storage self, - uint32 time, - uint32 target, - int24 tick, - uint16 index, - uint128 liquidity, - uint16 cardinality - ) private view returns (Observation memory beforeOrAt, Observation memory atOrAfter) { - // optimistically set before to the newest observation - beforeOrAt = self[index]; - - // if the target is chronologically at or after the newest observation, we can early return - if (lte(time, beforeOrAt.blockTimestamp, target)) { - if (beforeOrAt.blockTimestamp == target) { - // if newest observation equals target, we're in the same block, so we can ignore atOrAfter - return (beforeOrAt, atOrAfter); - } else { - // otherwise, we need to transform - return (beforeOrAt, transform(beforeOrAt, target, tick, liquidity)); - } - } - - // now, set before to the oldest observation - beforeOrAt = self[(index + 1) % cardinality]; - if (!beforeOrAt.initialized) beforeOrAt = self[0]; - - // ensure that the target is chronologically at or after the oldest observation - require(lte(time, beforeOrAt.blockTimestamp, target), 'OLD'); - - // if we've reached this point, we have to binary search - return binarySearch(self, time, target, index, cardinality); - } - - /// @dev Reverts if an observation at or before the desired observation timestamp does not exist. - /// 0 may be passed as `secondsAgo' to return the current cumulative values. - /// If called with a timestamp falling between two observations, returns the counterfactual accumulator values - /// at exactly the timestamp between the two observations. - /// @param self The stored oracle array - /// @param time The current block timestamp - /// @param secondsAgo The amount of time to look back, in seconds, at which point to return an observation - /// @param tick The current tick - /// @param index The index of the observation that was most recently written to the observations array - /// @param liquidity The current in-range pool liquidity - /// @param cardinality The number of populated elements in the oracle array - /// @return tickCumulative The tick * time elapsed since the pool was first initialized, as of `secondsAgo` - /// @return secondsPerLiquidityCumulativeX128 The time elapsed / max(1, liquidity) since the pool was first initialized, as of `secondsAgo` - function observeSingle( - Observation[65535] storage self, - uint32 time, - uint32 secondsAgo, - int24 tick, - uint16 index, - uint128 liquidity, - uint16 cardinality - ) internal view returns (int56 tickCumulative, uint160 secondsPerLiquidityCumulativeX128) { - if (secondsAgo == 0) { - Observation memory last = self[index]; - if (last.blockTimestamp != time) last = transform(last, time, tick, liquidity); - return (last.tickCumulative, last.secondsPerLiquidityCumulativeX128); - } - - uint32 target = time - secondsAgo; - - (Observation memory beforeOrAt, Observation memory atOrAfter) = - getSurroundingObservations(self, time, target, tick, index, liquidity, cardinality); - - if (target == beforeOrAt.blockTimestamp) { - // we're at the left boundary - return (beforeOrAt.tickCumulative, beforeOrAt.secondsPerLiquidityCumulativeX128); - } else if (target == atOrAfter.blockTimestamp) { - // we're at the right boundary - return (atOrAfter.tickCumulative, atOrAfter.secondsPerLiquidityCumulativeX128); - } else { - // we're in the middle - uint32 observationTimeDelta = atOrAfter.blockTimestamp - beforeOrAt.blockTimestamp; - uint32 targetDelta = target - beforeOrAt.blockTimestamp; - return ( - beforeOrAt.tickCumulative + - ((atOrAfter.tickCumulative - beforeOrAt.tickCumulative) / observationTimeDelta) * - targetDelta, - beforeOrAt.secondsPerLiquidityCumulativeX128 + - uint160( - (uint256( - atOrAfter.secondsPerLiquidityCumulativeX128 - beforeOrAt.secondsPerLiquidityCumulativeX128 - ) * targetDelta) / observationTimeDelta - ) - ); - } - } - - /// @notice Returns the accumulator values as of each time seconds ago from the given time in the array of `secondsAgos` - /// @dev Reverts if `secondsAgos` > oldest observation - /// @param self The stored oracle array - /// @param time The current block.timestamp - /// @param secondsAgos Each amount of time to look back, in seconds, at which point to return an observation - /// @param tick The current tick - /// @param index The index of the observation that was most recently written to the observations array - /// @param liquidity The current in-range pool liquidity - /// @param cardinality The number of populated elements in the oracle array - /// @return tickCumulatives The tick * time elapsed since the pool was first initialized, as of each `secondsAgo` - /// @return secondsPerLiquidityCumulativeX128s The cumulative seconds / max(1, liquidity) since the pool was first initialized, as of each `secondsAgo` - function observe( - Observation[65535] storage self, - uint32 time, - uint32[] memory secondsAgos, - int24 tick, - uint16 index, - uint128 liquidity, - uint16 cardinality - ) internal view returns (int56[] memory tickCumulatives, uint160[] memory secondsPerLiquidityCumulativeX128s) { - require(cardinality > 0, 'I'); - - tickCumulatives = new int56[](secondsAgos.length); - secondsPerLiquidityCumulativeX128s = new uint160[](secondsAgos.length); - for (uint256 i = 0; i < secondsAgos.length; i++) { - (tickCumulatives[i], secondsPerLiquidityCumulativeX128s[i]) = observeSingle( - self, - time, - secondsAgos[i], - tick, - index, - liquidity, - cardinality - ); - } - } -} diff --git a/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/Position.sol b/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/Position.sol deleted file mode 100644 index 1c67c7f27..000000000 --- a/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/Position.sol +++ /dev/null @@ -1,88 +0,0 @@ -// SPDX-License-Identifier: BUSL-1.1 -pragma solidity >=0.5.0; - -import './FullMath.sol'; -import './FixedPoint128.sol'; -import './LiquidityMath.sol'; - -/// @title Position -/// @notice Positions represent an owner address' liquidity between a lower and upper tick boundary -/// @dev Positions store additional state for tracking fees owed to the position -library Position { - // info stored for each user's position - struct Info { - // the amount of liquidity owned by this position - uint128 liquidity; - // fee growth per unit of liquidity as of the last update to liquidity or fees owed - uint256 feeGrowthInside0LastX128; - uint256 feeGrowthInside1LastX128; - // the fees owed to the position owner in token0/token1 - uint128 tokensOwed0; - uint128 tokensOwed1; - } - - /// @notice Returns the Info struct of a position, given an owner and position boundaries - /// @param self The mapping containing all user positions - /// @param owner The address of the position owner - /// @param tickLower The lower tick boundary of the position - /// @param tickUpper The upper tick boundary of the position - /// @return position The position info struct of the given owners' position - function get( - mapping(bytes32 => Info) storage self, - address owner, - int24 tickLower, - int24 tickUpper - ) internal view returns (Position.Info storage position) { - position = self[keccak256(abi.encodePacked(owner, tickLower, tickUpper))]; - } - - /// @notice Credits accumulated fees to a user's position - /// @param self The individual position to update - /// @param liquidityDelta The change in pool liquidity as a result of the position update - /// @param feeGrowthInside0X128 The all-time fee growth in token0, per unit of liquidity, inside the position's tick boundaries - /// @param feeGrowthInside1X128 The all-time fee growth in token1, per unit of liquidity, inside the position's tick boundaries - function update( - Info storage self, - int128 liquidityDelta, - uint256 feeGrowthInside0X128, - uint256 feeGrowthInside1X128 - ) internal { - Info memory _self = self; - - uint128 liquidityNext; - if (liquidityDelta == 0) { - require(_self.liquidity > 0, 'NP'); // disallow pokes for 0 liquidity positions - liquidityNext = _self.liquidity; - } else { - liquidityNext = LiquidityMath.addDelta(_self.liquidity, liquidityDelta); - } - - // calculate accumulated fees - uint128 tokensOwed0 = - uint128( - FullMath.mulDiv( - feeGrowthInside0X128 - _self.feeGrowthInside0LastX128, - _self.liquidity, - FixedPoint128.Q128 - ) - ); - uint128 tokensOwed1 = - uint128( - FullMath.mulDiv( - feeGrowthInside1X128 - _self.feeGrowthInside1LastX128, - _self.liquidity, - FixedPoint128.Q128 - ) - ); - - // update the position - if (liquidityDelta != 0) self.liquidity = liquidityNext; - self.feeGrowthInside0LastX128 = feeGrowthInside0X128; - self.feeGrowthInside1LastX128 = feeGrowthInside1X128; - if (tokensOwed0 > 0 || tokensOwed1 > 0) { - // overflow is acceptable, have to withdraw before you hit type(uint128).max fees - self.tokensOwed0 += tokensOwed0; - self.tokensOwed1 += tokensOwed1; - } - } -} diff --git a/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/SafeCast.sol b/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/SafeCast.sol deleted file mode 100644 index a8ea22987..000000000 --- a/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/SafeCast.sol +++ /dev/null @@ -1,28 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-or-later -pragma solidity >=0.5.0; - -/// @title Safe casting methods -/// @notice Contains methods for safely casting between types -library SafeCast { - /// @notice Cast a uint256 to a uint160, revert on overflow - /// @param y The uint256 to be downcasted - /// @return z The downcasted integer, now type uint160 - function toUint160(uint256 y) internal pure returns (uint160 z) { - require((z = uint160(y)) == y); - } - - /// @notice Cast a int256 to a int128, revert on overflow or underflow - /// @param y The int256 to be downcasted - /// @return z The downcasted integer, now type int128 - function toInt128(int256 y) internal pure returns (int128 z) { - require((z = int128(y)) == y); - } - - /// @notice Cast a uint256 to a int256, revert on overflow - /// @param y The uint256 to be casted - /// @return z The casted integer, now type int256 - function toInt256(uint256 y) internal pure returns (int256 z) { - require(y < 2**255); - z = int256(y); - } -} diff --git a/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/SqrtPriceMath.sol b/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/SqrtPriceMath.sol deleted file mode 100644 index 685f485da..000000000 --- a/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/SqrtPriceMath.sol +++ /dev/null @@ -1,227 +0,0 @@ -// SPDX-License-Identifier: BUSL-1.1 -pragma solidity >=0.5.0; - -import './LowGasSafeMath.sol'; -import './SafeCast.sol'; - -import './FullMath.sol'; -import './UnsafeMath.sol'; -import './FixedPoint96.sol'; - -/// @title Functions based on Q64.96 sqrt price and liquidity -/// @notice Contains the math that uses square root of price as a Q64.96 and liquidity to compute deltas -library SqrtPriceMath { - using LowGasSafeMath for uint256; - using SafeCast for uint256; - - /// @notice Gets the next sqrt price given a delta of token0 - /// @dev Always rounds up, because in the exact output case (increasing price) we need to move the price at least - /// far enough to get the desired output amount, and in the exact input case (decreasing price) we need to move the - /// price less in order to not send too much output. - /// The most precise formula for this is liquidity * sqrtPX96 / (liquidity +- amount * sqrtPX96), - /// if this is impossible because of overflow, we calculate liquidity / (liquidity / sqrtPX96 +- amount). - /// @param sqrtPX96 The starting price, i.e. before accounting for the token0 delta - /// @param liquidity The amount of usable liquidity - /// @param amount How much of token0 to add or remove from virtual reserves - /// @param add Whether to add or remove the amount of token0 - /// @return The price after adding or removing amount, depending on add - function getNextSqrtPriceFromAmount0RoundingUp( - uint160 sqrtPX96, - uint128 liquidity, - uint256 amount, - bool add - ) internal pure returns (uint160) { - // we short circuit amount == 0 because the result is otherwise not guaranteed to equal the input price - if (amount == 0) return sqrtPX96; - uint256 numerator1 = uint256(liquidity) << FixedPoint96.RESOLUTION; - - if (add) { - uint256 product; - if ((product = amount * sqrtPX96) / amount == sqrtPX96) { - uint256 denominator = numerator1 + product; - if (denominator >= numerator1) - // always fits in 160 bits - return uint160(FullMath.mulDivRoundingUp(numerator1, sqrtPX96, denominator)); - } - - return uint160(UnsafeMath.divRoundingUp(numerator1, (numerator1 / sqrtPX96).add(amount))); - } else { - uint256 product; - // if the product overflows, we know the denominator underflows - // in addition, we must check that the denominator does not underflow - require((product = amount * sqrtPX96) / amount == sqrtPX96 && numerator1 > product); - uint256 denominator = numerator1 - product; - return FullMath.mulDivRoundingUp(numerator1, sqrtPX96, denominator).toUint160(); - } - } - - /// @notice Gets the next sqrt price given a delta of token1 - /// @dev Always rounds down, because in the exact output case (decreasing price) we need to move the price at least - /// far enough to get the desired output amount, and in the exact input case (increasing price) we need to move the - /// price less in order to not send too much output. - /// The formula we compute is within <1 wei of the lossless version: sqrtPX96 +- amount / liquidity - /// @param sqrtPX96 The starting price, i.e., before accounting for the token1 delta - /// @param liquidity The amount of usable liquidity - /// @param amount How much of token1 to add, or remove, from virtual reserves - /// @param add Whether to add, or remove, the amount of token1 - /// @return The price after adding or removing `amount` - function getNextSqrtPriceFromAmount1RoundingDown( - uint160 sqrtPX96, - uint128 liquidity, - uint256 amount, - bool add - ) internal pure returns (uint160) { - // if we're adding (subtracting), rounding down requires rounding the quotient down (up) - // in both cases, avoid a mulDiv for most inputs - if (add) { - uint256 quotient = - ( - amount <= type(uint160).max - ? (amount << FixedPoint96.RESOLUTION) / liquidity - : FullMath.mulDiv(amount, FixedPoint96.Q96, liquidity) - ); - - return uint256(sqrtPX96).add(quotient).toUint160(); - } else { - uint256 quotient = - ( - amount <= type(uint160).max - ? UnsafeMath.divRoundingUp(amount << FixedPoint96.RESOLUTION, liquidity) - : FullMath.mulDivRoundingUp(amount, FixedPoint96.Q96, liquidity) - ); - - require(sqrtPX96 > quotient); - // always fits 160 bits - return uint160(sqrtPX96 - quotient); - } - } - - /// @notice Gets the next sqrt price given an input amount of token0 or token1 - /// @dev Throws if price or liquidity are 0, or if the next price is out of bounds - /// @param sqrtPX96 The starting price, i.e., before accounting for the input amount - /// @param liquidity The amount of usable liquidity - /// @param amountIn How much of token0, or token1, is being swapped in - /// @param zeroForOne Whether the amount in is token0 or token1 - /// @return sqrtQX96 The price after adding the input amount to token0 or token1 - function getNextSqrtPriceFromInput( - uint160 sqrtPX96, - uint128 liquidity, - uint256 amountIn, - bool zeroForOne - ) internal pure returns (uint160 sqrtQX96) { - require(sqrtPX96 > 0); - require(liquidity > 0); - - // round to make sure that we don't pass the target price - return - zeroForOne - ? getNextSqrtPriceFromAmount0RoundingUp(sqrtPX96, liquidity, amountIn, true) - : getNextSqrtPriceFromAmount1RoundingDown(sqrtPX96, liquidity, amountIn, true); - } - - /// @notice Gets the next sqrt price given an output amount of token0 or token1 - /// @dev Throws if price or liquidity are 0 or the next price is out of bounds - /// @param sqrtPX96 The starting price before accounting for the output amount - /// @param liquidity The amount of usable liquidity - /// @param amountOut How much of token0, or token1, is being swapped out - /// @param zeroForOne Whether the amount out is token0 or token1 - /// @return sqrtQX96 The price after removing the output amount of token0 or token1 - function getNextSqrtPriceFromOutput( - uint160 sqrtPX96, - uint128 liquidity, - uint256 amountOut, - bool zeroForOne - ) internal pure returns (uint160 sqrtQX96) { - require(sqrtPX96 > 0); - require(liquidity > 0); - - // round to make sure that we pass the target price - return - zeroForOne - ? getNextSqrtPriceFromAmount1RoundingDown(sqrtPX96, liquidity, amountOut, false) - : getNextSqrtPriceFromAmount0RoundingUp(sqrtPX96, liquidity, amountOut, false); - } - - /// @notice Gets the amount0 delta between two prices - /// @dev Calculates liquidity / sqrt(lower) - liquidity / sqrt(upper), - /// i.e. liquidity * (sqrt(upper) - sqrt(lower)) / (sqrt(upper) * sqrt(lower)) - /// @param sqrtRatioAX96 A sqrt price - /// @param sqrtRatioBX96 Another sqrt price - /// @param liquidity The amount of usable liquidity - /// @param roundUp Whether to round the amount up or down - /// @return amount0 Amount of token0 required to cover a position of size liquidity between the two passed prices - function getAmount0Delta( - uint160 sqrtRatioAX96, - uint160 sqrtRatioBX96, - uint128 liquidity, - bool roundUp - ) internal pure returns (uint256 amount0) { - if (sqrtRatioAX96 > sqrtRatioBX96) (sqrtRatioAX96, sqrtRatioBX96) = (sqrtRatioBX96, sqrtRatioAX96); - - uint256 numerator1 = uint256(liquidity) << FixedPoint96.RESOLUTION; - uint256 numerator2 = sqrtRatioBX96 - sqrtRatioAX96; - - require(sqrtRatioAX96 > 0); - - return - roundUp - ? UnsafeMath.divRoundingUp( - FullMath.mulDivRoundingUp(numerator1, numerator2, sqrtRatioBX96), - sqrtRatioAX96 - ) - : FullMath.mulDiv(numerator1, numerator2, sqrtRatioBX96) / sqrtRatioAX96; - } - - /// @notice Gets the amount1 delta between two prices - /// @dev Calculates liquidity * (sqrt(upper) - sqrt(lower)) - /// @param sqrtRatioAX96 A sqrt price - /// @param sqrtRatioBX96 Another sqrt price - /// @param liquidity The amount of usable liquidity - /// @param roundUp Whether to round the amount up, or down - /// @return amount1 Amount of token1 required to cover a position of size liquidity between the two passed prices - function getAmount1Delta( - uint160 sqrtRatioAX96, - uint160 sqrtRatioBX96, - uint128 liquidity, - bool roundUp - ) internal pure returns (uint256 amount1) { - if (sqrtRatioAX96 > sqrtRatioBX96) (sqrtRatioAX96, sqrtRatioBX96) = (sqrtRatioBX96, sqrtRatioAX96); - - return - roundUp - ? FullMath.mulDivRoundingUp(liquidity, sqrtRatioBX96 - sqrtRatioAX96, FixedPoint96.Q96) - : FullMath.mulDiv(liquidity, sqrtRatioBX96 - sqrtRatioAX96, FixedPoint96.Q96); - } - - /// @notice Helper that gets signed token0 delta - /// @param sqrtRatioAX96 A sqrt price - /// @param sqrtRatioBX96 Another sqrt price - /// @param liquidity The change in liquidity for which to compute the amount0 delta - /// @return amount0 Amount of token0 corresponding to the passed liquidityDelta between the two prices - function getAmount0Delta( - uint160 sqrtRatioAX96, - uint160 sqrtRatioBX96, - int128 liquidity - ) internal pure returns (int256 amount0) { - return - liquidity < 0 - ? -getAmount0Delta(sqrtRatioAX96, sqrtRatioBX96, uint128(-liquidity), false).toInt256() - : getAmount0Delta(sqrtRatioAX96, sqrtRatioBX96, uint128(liquidity), true).toInt256(); - } - - /// @notice Helper that gets signed token1 delta - /// @param sqrtRatioAX96 A sqrt price - /// @param sqrtRatioBX96 Another sqrt price - /// @param liquidity The change in liquidity for which to compute the amount1 delta - /// @return amount1 Amount of token1 corresponding to the passed liquidityDelta between the two prices - function getAmount1Delta( - uint160 sqrtRatioAX96, - uint160 sqrtRatioBX96, - int128 liquidity - ) internal pure returns (int256 amount1) { - return - liquidity < 0 - ? -getAmount1Delta(sqrtRatioAX96, sqrtRatioBX96, uint128(-liquidity), false).toInt256() - : getAmount1Delta(sqrtRatioAX96, sqrtRatioBX96, uint128(liquidity), true).toInt256(); - } -} diff --git a/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/SwapMath.sol b/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/SwapMath.sol deleted file mode 100644 index ee176fbee..000000000 --- a/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/SwapMath.sol +++ /dev/null @@ -1,98 +0,0 @@ -// SPDX-License-Identifier: BUSL-1.1 -pragma solidity >=0.5.0; - -import './FullMath.sol'; -import './SqrtPriceMath.sol'; - -/// @title Computes the result of a swap within ticks -/// @notice Contains methods for computing the result of a swap within a single tick price range, i.e., a single tick. -library SwapMath { - /// @notice Computes the result of swapping some amount in, or amount out, given the parameters of the swap - /// @dev The fee, plus the amount in, will never exceed the amount remaining if the swap's `amountSpecified` is positive - /// @param sqrtRatioCurrentX96 The current sqrt price of the pool - /// @param sqrtRatioTargetX96 The price that cannot be exceeded, from which the direction of the swap is inferred - /// @param liquidity The usable liquidity - /// @param amountRemaining How much input or output amount is remaining to be swapped in/out - /// @param feePips The fee taken from the input amount, expressed in hundredths of a bip - /// @return sqrtRatioNextX96 The price after swapping the amount in/out, not to exceed the price target - /// @return amountIn The amount to be swapped in, of either token0 or token1, based on the direction of the swap - /// @return amountOut The amount to be received, of either token0 or token1, based on the direction of the swap - /// @return feeAmount The amount of input that will be taken as a fee - function computeSwapStep( - uint160 sqrtRatioCurrentX96, - uint160 sqrtRatioTargetX96, - uint128 liquidity, - int256 amountRemaining, - uint24 feePips - ) - internal - pure - returns ( - uint160 sqrtRatioNextX96, - uint256 amountIn, - uint256 amountOut, - uint256 feeAmount - ) - { - bool zeroForOne = sqrtRatioCurrentX96 >= sqrtRatioTargetX96; - bool exactIn = amountRemaining >= 0; - - if (exactIn) { - uint256 amountRemainingLessFee = FullMath.mulDiv(uint256(amountRemaining), 1e6 - feePips, 1e6); - amountIn = zeroForOne - ? SqrtPriceMath.getAmount0Delta(sqrtRatioTargetX96, sqrtRatioCurrentX96, liquidity, true) - : SqrtPriceMath.getAmount1Delta(sqrtRatioCurrentX96, sqrtRatioTargetX96, liquidity, true); - if (amountRemainingLessFee >= amountIn) sqrtRatioNextX96 = sqrtRatioTargetX96; - else - sqrtRatioNextX96 = SqrtPriceMath.getNextSqrtPriceFromInput( - sqrtRatioCurrentX96, - liquidity, - amountRemainingLessFee, - zeroForOne - ); - } else { - amountOut = zeroForOne - ? SqrtPriceMath.getAmount1Delta(sqrtRatioTargetX96, sqrtRatioCurrentX96, liquidity, false) - : SqrtPriceMath.getAmount0Delta(sqrtRatioCurrentX96, sqrtRatioTargetX96, liquidity, false); - if (uint256(-amountRemaining) >= amountOut) sqrtRatioNextX96 = sqrtRatioTargetX96; - else - sqrtRatioNextX96 = SqrtPriceMath.getNextSqrtPriceFromOutput( - sqrtRatioCurrentX96, - liquidity, - uint256(-amountRemaining), - zeroForOne - ); - } - - bool max = sqrtRatioTargetX96 == sqrtRatioNextX96; - - // get the input/output amounts - if (zeroForOne) { - amountIn = max && exactIn - ? amountIn - : SqrtPriceMath.getAmount0Delta(sqrtRatioNextX96, sqrtRatioCurrentX96, liquidity, true); - amountOut = max && !exactIn - ? amountOut - : SqrtPriceMath.getAmount1Delta(sqrtRatioNextX96, sqrtRatioCurrentX96, liquidity, false); - } else { - amountIn = max && exactIn - ? amountIn - : SqrtPriceMath.getAmount1Delta(sqrtRatioCurrentX96, sqrtRatioNextX96, liquidity, true); - amountOut = max && !exactIn - ? amountOut - : SqrtPriceMath.getAmount0Delta(sqrtRatioCurrentX96, sqrtRatioNextX96, liquidity, false); - } - - // cap the output amount to not exceed the remaining output amount - if (!exactIn && amountOut > uint256(-amountRemaining)) { - amountOut = uint256(-amountRemaining); - } - - if (exactIn && sqrtRatioNextX96 != sqrtRatioTargetX96) { - // we didn't reach the target, so take the remainder of the maximum input as fee - feeAmount = uint256(amountRemaining) - amountIn; - } else { - feeAmount = FullMath.mulDivRoundingUp(amountIn, feePips, 1e6 - feePips); - } - } -} diff --git a/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/Tick.sol b/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/Tick.sol deleted file mode 100644 index 13d342849..000000000 --- a/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/Tick.sol +++ /dev/null @@ -1,183 +0,0 @@ -// SPDX-License-Identifier: BUSL-1.1 -pragma solidity >=0.5.0; - -import './LowGasSafeMath.sol'; -import './SafeCast.sol'; - -import './TickMath.sol'; -import './LiquidityMath.sol'; - -/// @title Tick -/// @notice Contains functions for managing tick processes and relevant calculations -library Tick { - using LowGasSafeMath for int256; - using SafeCast for int256; - - // info stored for each initialized individual tick - struct Info { - // the total position liquidity that references this tick - uint128 liquidityGross; - // amount of net liquidity added (subtracted) when tick is crossed from left to right (right to left), - int128 liquidityNet; - // fee growth per unit of liquidity on the _other_ side of this tick (relative to the current tick) - // only has relative meaning, not absolute — the value depends on when the tick is initialized - uint256 feeGrowthOutside0X128; - uint256 feeGrowthOutside1X128; - // the cumulative tick value on the other side of the tick - int56 tickCumulativeOutside; - // the seconds per unit of liquidity on the _other_ side of this tick (relative to the current tick) - // only has relative meaning, not absolute — the value depends on when the tick is initialized - uint160 secondsPerLiquidityOutsideX128; - // the seconds spent on the other side of the tick (relative to the current tick) - // only has relative meaning, not absolute — the value depends on when the tick is initialized - uint32 secondsOutside; - // true iff the tick is initialized, i.e. the value is exactly equivalent to the expression liquidityGross != 0 - // these 8 bits are set to prevent fresh sstores when crossing newly initialized ticks - bool initialized; - } - - /// @notice Derives max liquidity per tick from given tick spacing - /// @dev Executed within the pool constructor - /// @param tickSpacing The amount of required tick separation, realized in multiples of `tickSpacing` - /// e.g., a tickSpacing of 3 requires ticks to be initialized every 3rd tick i.e., ..., -6, -3, 0, 3, 6, ... - /// @return The max liquidity per tick - function tickSpacingToMaxLiquidityPerTick(int24 tickSpacing) internal pure returns (uint128) { - int24 minTick = (TickMath.MIN_TICK / tickSpacing) * tickSpacing; - int24 maxTick = (TickMath.MAX_TICK / tickSpacing) * tickSpacing; - uint24 numTicks = uint24((maxTick - minTick) / tickSpacing) + 1; - return type(uint128).max / numTicks; - } - - /// @notice Retrieves fee growth data - /// @param self The mapping containing all tick information for initialized ticks - /// @param tickLower The lower tick boundary of the position - /// @param tickUpper The upper tick boundary of the position - /// @param tickCurrent The current tick - /// @param feeGrowthGlobal0X128 The all-time global fee growth, per unit of liquidity, in token0 - /// @param feeGrowthGlobal1X128 The all-time global fee growth, per unit of liquidity, in token1 - /// @return feeGrowthInside0X128 The all-time fee growth in token0, per unit of liquidity, inside the position's tick boundaries - /// @return feeGrowthInside1X128 The all-time fee growth in token1, per unit of liquidity, inside the position's tick boundaries - function getFeeGrowthInside( - mapping(int24 => Tick.Info) storage self, - int24 tickLower, - int24 tickUpper, - int24 tickCurrent, - uint256 feeGrowthGlobal0X128, - uint256 feeGrowthGlobal1X128 - ) internal view returns (uint256 feeGrowthInside0X128, uint256 feeGrowthInside1X128) { - Info storage lower = self[tickLower]; - Info storage upper = self[tickUpper]; - - // calculate fee growth below - uint256 feeGrowthBelow0X128; - uint256 feeGrowthBelow1X128; - if (tickCurrent >= tickLower) { - feeGrowthBelow0X128 = lower.feeGrowthOutside0X128; - feeGrowthBelow1X128 = lower.feeGrowthOutside1X128; - } else { - feeGrowthBelow0X128 = feeGrowthGlobal0X128 - lower.feeGrowthOutside0X128; - feeGrowthBelow1X128 = feeGrowthGlobal1X128 - lower.feeGrowthOutside1X128; - } - - // calculate fee growth above - uint256 feeGrowthAbove0X128; - uint256 feeGrowthAbove1X128; - if (tickCurrent < tickUpper) { - feeGrowthAbove0X128 = upper.feeGrowthOutside0X128; - feeGrowthAbove1X128 = upper.feeGrowthOutside1X128; - } else { - feeGrowthAbove0X128 = feeGrowthGlobal0X128 - upper.feeGrowthOutside0X128; - feeGrowthAbove1X128 = feeGrowthGlobal1X128 - upper.feeGrowthOutside1X128; - } - - feeGrowthInside0X128 = feeGrowthGlobal0X128 - feeGrowthBelow0X128 - feeGrowthAbove0X128; - feeGrowthInside1X128 = feeGrowthGlobal1X128 - feeGrowthBelow1X128 - feeGrowthAbove1X128; - } - - /// @notice Updates a tick and returns true if the tick was flipped from initialized to uninitialized, or vice versa - /// @param self The mapping containing all tick information for initialized ticks - /// @param tick The tick that will be updated - /// @param tickCurrent The current tick - /// @param liquidityDelta A new amount of liquidity to be added (subtracted) when tick is crossed from left to right (right to left) - /// @param feeGrowthGlobal0X128 The all-time global fee growth, per unit of liquidity, in token0 - /// @param feeGrowthGlobal1X128 The all-time global fee growth, per unit of liquidity, in token1 - /// @param secondsPerLiquidityCumulativeX128 The all-time seconds per max(1, liquidity) of the pool - /// @param time The current block timestamp cast to a uint32 - /// @param upper true for updating a position's upper tick, or false for updating a position's lower tick - /// @param maxLiquidity The maximum liquidity allocation for a single tick - /// @return flipped Whether the tick was flipped from initialized to uninitialized, or vice versa - function update( - mapping(int24 => Tick.Info) storage self, - int24 tick, - int24 tickCurrent, - int128 liquidityDelta, - uint256 feeGrowthGlobal0X128, - uint256 feeGrowthGlobal1X128, - uint160 secondsPerLiquidityCumulativeX128, - int56 tickCumulative, - uint32 time, - bool upper, - uint128 maxLiquidity - ) internal returns (bool flipped) { - Tick.Info storage info = self[tick]; - - uint128 liquidityGrossBefore = info.liquidityGross; - uint128 liquidityGrossAfter = LiquidityMath.addDelta(liquidityGrossBefore, liquidityDelta); - - require(liquidityGrossAfter <= maxLiquidity, 'LO'); - - flipped = (liquidityGrossAfter == 0) != (liquidityGrossBefore == 0); - - if (liquidityGrossBefore == 0) { - // by convention, we assume that all growth before a tick was initialized happened _below_ the tick - if (tick <= tickCurrent) { - info.feeGrowthOutside0X128 = feeGrowthGlobal0X128; - info.feeGrowthOutside1X128 = feeGrowthGlobal1X128; - info.secondsPerLiquidityOutsideX128 = secondsPerLiquidityCumulativeX128; - info.tickCumulativeOutside = tickCumulative; - info.secondsOutside = time; - } - info.initialized = true; - } - - info.liquidityGross = liquidityGrossAfter; - - // when the lower (upper) tick is crossed left to right (right to left), liquidity must be added (removed) - info.liquidityNet = upper - ? int256(info.liquidityNet).sub(liquidityDelta).toInt128() - : int256(info.liquidityNet).add(liquidityDelta).toInt128(); - } - - /// @notice Clears tick data - /// @param self The mapping containing all initialized tick information for initialized ticks - /// @param tick The tick that will be cleared - function clear(mapping(int24 => Tick.Info) storage self, int24 tick) internal { - delete self[tick]; - } - - /// @notice Transitions to next tick as needed by price movement - /// @param self The mapping containing all tick information for initialized ticks - /// @param tick The destination tick of the transition - /// @param feeGrowthGlobal0X128 The all-time global fee growth, per unit of liquidity, in token0 - /// @param feeGrowthGlobal1X128 The all-time global fee growth, per unit of liquidity, in token1 - /// @param secondsPerLiquidityCumulativeX128 The current seconds per liquidity - /// @param time The current block.timestamp - /// @return liquidityNet The amount of liquidity added (subtracted) when tick is crossed from left to right (right to left) - function cross( - mapping(int24 => Tick.Info) storage self, - int24 tick, - uint256 feeGrowthGlobal0X128, - uint256 feeGrowthGlobal1X128, - uint160 secondsPerLiquidityCumulativeX128, - int56 tickCumulative, - uint32 time - ) internal returns (int128 liquidityNet) { - Tick.Info storage info = self[tick]; - info.feeGrowthOutside0X128 = feeGrowthGlobal0X128 - info.feeGrowthOutside0X128; - info.feeGrowthOutside1X128 = feeGrowthGlobal1X128 - info.feeGrowthOutside1X128; - info.secondsPerLiquidityOutsideX128 = secondsPerLiquidityCumulativeX128 - info.secondsPerLiquidityOutsideX128; - info.tickCumulativeOutside = tickCumulative - info.tickCumulativeOutside; - info.secondsOutside = time - info.secondsOutside; - liquidityNet = info.liquidityNet; - } -} diff --git a/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/TickBitmap.sol b/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/TickBitmap.sol deleted file mode 100644 index 3c4358577..000000000 --- a/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/TickBitmap.sol +++ /dev/null @@ -1,78 +0,0 @@ -// SPDX-License-Identifier: BUSL-1.1 -pragma solidity >=0.5.0; - -import './BitMath.sol'; - -/// @title Packed tick initialized state library -/// @notice Stores a packed mapping of tick index to its initialized state -/// @dev The mapping uses int16 for keys since ticks are represented as int24 and there are 256 (2^8) values per word. -library TickBitmap { - /// @notice Computes the position in the mapping where the initialized bit for a tick lives - /// @param tick The tick for which to compute the position - /// @return wordPos The key in the mapping containing the word in which the bit is stored - /// @return bitPos The bit position in the word where the flag is stored - function position(int24 tick) private pure returns (int16 wordPos, uint8 bitPos) { - wordPos = int16(tick >> 8); - bitPos = uint8(tick % 256); - } - - /// @notice Flips the initialized state for a given tick from false to true, or vice versa - /// @param self The mapping in which to flip the tick - /// @param tick The tick to flip - /// @param tickSpacing The spacing between usable ticks - function flipTick( - mapping(int16 => uint256) storage self, - int24 tick, - int24 tickSpacing - ) internal { - require(tick % tickSpacing == 0); // ensure that the tick is spaced - (int16 wordPos, uint8 bitPos) = position(tick / tickSpacing); - uint256 mask = 1 << bitPos; - self[wordPos] ^= mask; - } - - /// @notice Returns the next initialized tick contained in the same word (or adjacent word) as the tick that is either - /// to the left (less than or equal to) or right (greater than) of the given tick - /// @param self The mapping in which to compute the next initialized tick - /// @param tick The starting tick - /// @param tickSpacing The spacing between usable ticks - /// @param lte Whether to search for the next initialized tick to the left (less than or equal to the starting tick) - /// @return next The next initialized or uninitialized tick up to 256 ticks away from the current tick - /// @return initialized Whether the next tick is initialized, as the function only searches within up to 256 ticks - function nextInitializedTickWithinOneWord( - mapping(int16 => uint256) storage self, - int24 tick, - int24 tickSpacing, - bool lte - ) internal view returns (int24 next, bool initialized) { - int24 compressed = tick / tickSpacing; - if (tick < 0 && tick % tickSpacing != 0) compressed--; // round towards negative infinity - - if (lte) { - (int16 wordPos, uint8 bitPos) = position(compressed); - // all the 1s at or to the right of the current bitPos - uint256 mask = (1 << bitPos) - 1 + (1 << bitPos); - uint256 masked = self[wordPos] & mask; - - // if there are no initialized ticks to the right of or at the current tick, return rightmost in the word - initialized = masked != 0; - // overflow/underflow is possible, but prevented externally by limiting both tickSpacing and tick - next = initialized - ? (compressed - int24(bitPos - BitMath.mostSignificantBit(masked))) * tickSpacing - : (compressed - int24(bitPos)) * tickSpacing; - } else { - // start from the word of the next tick, since the current tick state doesn't matter - (int16 wordPos, uint8 bitPos) = position(compressed + 1); - // all the 1s at or to the left of the bitPos - uint256 mask = ~((1 << bitPos) - 1); - uint256 masked = self[wordPos] & mask; - - // if there are no initialized ticks to the left of the current tick, return leftmost in the word - initialized = masked != 0; - // overflow/underflow is possible, but prevented externally by limiting both tickSpacing and tick - next = initialized - ? (compressed + 1 + int24(BitMath.leastSignificantBit(masked) - bitPos)) * tickSpacing - : (compressed + 1 + int24(type(uint8).max - bitPos)) * tickSpacing; - } - } -} diff --git a/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/TickMath.sol b/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/TickMath.sol deleted file mode 100644 index 378e44528..000000000 --- a/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/TickMath.sol +++ /dev/null @@ -1,205 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-or-later -pragma solidity >=0.5.0; - -/// @title Math library for computing sqrt prices from ticks and vice versa -/// @notice Computes sqrt price for ticks of size 1.0001, i.e. sqrt(1.0001^tick) as fixed point Q64.96 numbers. Supports -/// prices between 2**-128 and 2**128 -library TickMath { - /// @dev The minimum tick that may be passed to #getSqrtRatioAtTick computed from log base 1.0001 of 2**-128 - int24 internal constant MIN_TICK = -887272; - /// @dev The maximum tick that may be passed to #getSqrtRatioAtTick computed from log base 1.0001 of 2**128 - int24 internal constant MAX_TICK = -MIN_TICK; - - /// @dev The minimum value that can be returned from #getSqrtRatioAtTick. Equivalent to getSqrtRatioAtTick(MIN_TICK) - uint160 internal constant MIN_SQRT_RATIO = 4295128739; - /// @dev The maximum value that can be returned from #getSqrtRatioAtTick. Equivalent to getSqrtRatioAtTick(MAX_TICK) - uint160 internal constant MAX_SQRT_RATIO = 1461446703485210103287273052203988822378723970342; - - /// @notice Calculates sqrt(1.0001^tick) * 2^96 - /// @dev Throws if |tick| > max tick - /// @param tick The input tick for the above formula - /// @return sqrtPriceX96 A Fixed point Q64.96 number representing the sqrt of the ratio of the two assets (token1/token0) - /// at the given tick - function getSqrtRatioAtTick(int24 tick) internal pure returns (uint160 sqrtPriceX96) { - uint256 absTick = tick < 0 ? uint256(-int256(tick)) : uint256(int256(tick)); - require(absTick <= uint256(MAX_TICK), 'T'); - - uint256 ratio = absTick & 0x1 != 0 ? 0xfffcb933bd6fad37aa2d162d1a594001 : 0x100000000000000000000000000000000; - if (absTick & 0x2 != 0) ratio = (ratio * 0xfff97272373d413259a46990580e213a) >> 128; - if (absTick & 0x4 != 0) ratio = (ratio * 0xfff2e50f5f656932ef12357cf3c7fdcc) >> 128; - if (absTick & 0x8 != 0) ratio = (ratio * 0xffe5caca7e10e4e61c3624eaa0941cd0) >> 128; - if (absTick & 0x10 != 0) ratio = (ratio * 0xffcb9843d60f6159c9db58835c926644) >> 128; - if (absTick & 0x20 != 0) ratio = (ratio * 0xff973b41fa98c081472e6896dfb254c0) >> 128; - if (absTick & 0x40 != 0) ratio = (ratio * 0xff2ea16466c96a3843ec78b326b52861) >> 128; - if (absTick & 0x80 != 0) ratio = (ratio * 0xfe5dee046a99a2a811c461f1969c3053) >> 128; - if (absTick & 0x100 != 0) ratio = (ratio * 0xfcbe86c7900a88aedcffc83b479aa3a4) >> 128; - if (absTick & 0x200 != 0) ratio = (ratio * 0xf987a7253ac413176f2b074cf7815e54) >> 128; - if (absTick & 0x400 != 0) ratio = (ratio * 0xf3392b0822b70005940c7a398e4b70f3) >> 128; - if (absTick & 0x800 != 0) ratio = (ratio * 0xe7159475a2c29b7443b29c7fa6e889d9) >> 128; - if (absTick & 0x1000 != 0) ratio = (ratio * 0xd097f3bdfd2022b8845ad8f792aa5825) >> 128; - if (absTick & 0x2000 != 0) ratio = (ratio * 0xa9f746462d870fdf8a65dc1f90e061e5) >> 128; - if (absTick & 0x4000 != 0) ratio = (ratio * 0x70d869a156d2a1b890bb3df62baf32f7) >> 128; - if (absTick & 0x8000 != 0) ratio = (ratio * 0x31be135f97d08fd981231505542fcfa6) >> 128; - if (absTick & 0x10000 != 0) ratio = (ratio * 0x9aa508b5b7a84e1c677de54f3e99bc9) >> 128; - if (absTick & 0x20000 != 0) ratio = (ratio * 0x5d6af8dedb81196699c329225ee604) >> 128; - if (absTick & 0x40000 != 0) ratio = (ratio * 0x2216e584f5fa1ea926041bedfe98) >> 128; - if (absTick & 0x80000 != 0) ratio = (ratio * 0x48a170391f7dc42444e8fa2) >> 128; - - if (tick > 0) ratio = type(uint256).max / ratio; - - // this divides by 1<<32 rounding up to go from a Q128.128 to a Q128.96. - // we then downcast because we know the result always fits within 160 bits due to our tick input constraint - // we round up in the division so getTickAtSqrtRatio of the output price is always consistent - sqrtPriceX96 = uint160((ratio >> 32) + (ratio % (1 << 32) == 0 ? 0 : 1)); - } - - /// @notice Calculates the greatest tick value such that getRatioAtTick(tick) <= ratio - /// @dev Throws in case sqrtPriceX96 < MIN_SQRT_RATIO, as MIN_SQRT_RATIO is the lowest value getRatioAtTick may - /// ever return. - /// @param sqrtPriceX96 The sqrt ratio for which to compute the tick as a Q64.96 - /// @return tick The greatest tick for which the ratio is less than or equal to the input ratio - function getTickAtSqrtRatio(uint160 sqrtPriceX96) internal pure returns (int24 tick) { - // second inequality must be < because the price can never reach the price at the max tick - require(sqrtPriceX96 >= MIN_SQRT_RATIO && sqrtPriceX96 < MAX_SQRT_RATIO, 'R'); - uint256 ratio = uint256(sqrtPriceX96) << 32; - - uint256 r = ratio; - uint256 msb = 0; - - assembly { - let f := shl(7, gt(r, 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF)) - msb := or(msb, f) - r := shr(f, r) - } - assembly { - let f := shl(6, gt(r, 0xFFFFFFFFFFFFFFFF)) - msb := or(msb, f) - r := shr(f, r) - } - assembly { - let f := shl(5, gt(r, 0xFFFFFFFF)) - msb := or(msb, f) - r := shr(f, r) - } - assembly { - let f := shl(4, gt(r, 0xFFFF)) - msb := or(msb, f) - r := shr(f, r) - } - assembly { - let f := shl(3, gt(r, 0xFF)) - msb := or(msb, f) - r := shr(f, r) - } - assembly { - let f := shl(2, gt(r, 0xF)) - msb := or(msb, f) - r := shr(f, r) - } - assembly { - let f := shl(1, gt(r, 0x3)) - msb := or(msb, f) - r := shr(f, r) - } - assembly { - let f := gt(r, 0x1) - msb := or(msb, f) - } - - if (msb >= 128) r = ratio >> (msb - 127); - else r = ratio << (127 - msb); - - int256 log_2 = (int256(msb) - 128) << 64; - - assembly { - r := shr(127, mul(r, r)) - let f := shr(128, r) - log_2 := or(log_2, shl(63, f)) - r := shr(f, r) - } - assembly { - r := shr(127, mul(r, r)) - let f := shr(128, r) - log_2 := or(log_2, shl(62, f)) - r := shr(f, r) - } - assembly { - r := shr(127, mul(r, r)) - let f := shr(128, r) - log_2 := or(log_2, shl(61, f)) - r := shr(f, r) - } - assembly { - r := shr(127, mul(r, r)) - let f := shr(128, r) - log_2 := or(log_2, shl(60, f)) - r := shr(f, r) - } - assembly { - r := shr(127, mul(r, r)) - let f := shr(128, r) - log_2 := or(log_2, shl(59, f)) - r := shr(f, r) - } - assembly { - r := shr(127, mul(r, r)) - let f := shr(128, r) - log_2 := or(log_2, shl(58, f)) - r := shr(f, r) - } - assembly { - r := shr(127, mul(r, r)) - let f := shr(128, r) - log_2 := or(log_2, shl(57, f)) - r := shr(f, r) - } - assembly { - r := shr(127, mul(r, r)) - let f := shr(128, r) - log_2 := or(log_2, shl(56, f)) - r := shr(f, r) - } - assembly { - r := shr(127, mul(r, r)) - let f := shr(128, r) - log_2 := or(log_2, shl(55, f)) - r := shr(f, r) - } - assembly { - r := shr(127, mul(r, r)) - let f := shr(128, r) - log_2 := or(log_2, shl(54, f)) - r := shr(f, r) - } - assembly { - r := shr(127, mul(r, r)) - let f := shr(128, r) - log_2 := or(log_2, shl(53, f)) - r := shr(f, r) - } - assembly { - r := shr(127, mul(r, r)) - let f := shr(128, r) - log_2 := or(log_2, shl(52, f)) - r := shr(f, r) - } - assembly { - r := shr(127, mul(r, r)) - let f := shr(128, r) - log_2 := or(log_2, shl(51, f)) - r := shr(f, r) - } - assembly { - r := shr(127, mul(r, r)) - let f := shr(128, r) - log_2 := or(log_2, shl(50, f)) - } - - int256 log_sqrt10001 = log_2 * 255738958999603826347141; // 128.128 number - - int24 tickLow = int24((log_sqrt10001 - 3402992956809132418596140100660247210) >> 128); - int24 tickHi = int24((log_sqrt10001 + 291339464771989622907027621153398088495) >> 128); - - tick = tickLow == tickHi ? tickLow : getSqrtRatioAtTick(tickHi) <= sqrtPriceX96 ? tickHi : tickLow; - } -} diff --git a/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/TransferHelper.sol b/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/TransferHelper.sol deleted file mode 100644 index 25d630902..000000000 --- a/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/TransferHelper.sol +++ /dev/null @@ -1,23 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-or-later -pragma solidity >=0.6.0; - -import '../interfaces/IERC20Minimal.sol'; - -/// @title TransferHelper -/// @notice Contains helper methods for interacting with ERC20 tokens that do not consistently return true/false -library TransferHelper { - /// @notice Transfers tokens from msg.sender to a recipient - /// @dev Calls transfer on token contract, errors with TF if transfer fails - /// @param token The contract address of the token which will be transferred - /// @param to The recipient of the transfer - /// @param value The value of the transfer - function safeTransfer( - address token, - address to, - uint256 value - ) internal { - (bool success, bytes memory data) = - token.call(abi.encodeWithSelector(IERC20Minimal.transfer.selector, to, value)); - require(success && (data.length == 0 || abi.decode(data, (bool))), 'TF'); - } -} diff --git a/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/UnsafeMath.sol b/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/UnsafeMath.sol deleted file mode 100644 index f62f84676..000000000 --- a/crytic-export/etherscan-contracts/0x8ad599c3a0ff1de082011efddc58f1908eb6e6d8-UniswapV3Pool/contracts/libraries/UnsafeMath.sol +++ /dev/null @@ -1,17 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-or-later -pragma solidity >=0.5.0; - -/// @title Math functions that do not check inputs or outputs -/// @notice Contains methods that perform common math functions but do not do any overflow or underflow checks -library UnsafeMath { - /// @notice Returns ceil(x / y) - /// @dev division by 0 has unspecified behavior, and must be checked externally - /// @param x The dividend - /// @param y The divisor - /// @return z The quotient, ceil(x / y) - function divRoundingUp(uint256 x, uint256 y) internal pure returns (uint256 z) { - assembly { - z := add(div(x, y), gt(mod(x, y), 0)) - } - } -} From d8455e3213ef587f73cbe0ca55118e8ee881a311 Mon Sep 17 00:00:00 2001 From: noxx Date: Mon, 18 Jul 2022 12:43:35 +0100 Subject: [PATCH 6/9] add square brackets to make it clear that the number is an array index of observations --- .gitignore | 3 +++ slither/tools/read_storage/read_storage.py | 2 +- 2 files changed, 4 insertions(+), 1 deletion(-) diff --git a/.gitignore b/.gitignore index 096634e91..fe1019a11 100644 --- a/.gitignore +++ b/.gitignore @@ -107,3 +107,6 @@ ENV/ # Test results test_artifacts/ + +# crytic export +crytic-export/ diff --git a/slither/tools/read_storage/read_storage.py b/slither/tools/read_storage/read_storage.py index c2507ce11..daa891ed1 100644 --- a/slither/tools/read_storage/read_storage.py +++ b/slither/tools/read_storage/read_storage.py @@ -325,7 +325,7 @@ class SlitherReadStorage: struct_var = info["elems"][item][key].get('struct_var') # doesn't handle deep keys currently - var_name_struct_or_array_var = "{} -> {} -> {}".format(var, item, struct_var) + var_name_struct_or_array_var = "{}[{}] -> {}".format(var, item, struct_var) if environ.get("TABLE_VALUE") is None: tabulate_data.append([slot, offset, size, type_string, var_name_struct_or_array_var]) From 3d690088e3f434458a7391fbb6d9ac5f214157a3 Mon Sep 17 00:00:00 2001 From: noxx Date: Thu, 21 Jul 2022 07:09:02 +0100 Subject: [PATCH 7/9] lintig and tabulate install on github action --- .github/workflows/read_storage.yml | 1 + slither/tools/read_storage/read_storage.py | 117 ++++++++++++--------- 2 files changed, 70 insertions(+), 48 deletions(-) diff --git a/.github/workflows/read_storage.yml b/.github/workflows/read_storage.yml index 2ca618a19..74d14c39c 100644 --- a/.github/workflows/read_storage.yml +++ b/.github/workflows/read_storage.yml @@ -40,6 +40,7 @@ jobs: pip install pytest==7.0.1 pip install typing_extensions==4.1.1 pip install importlib_metadata==4.8.3 + pip install tabulate==0.8.10 solc-select install 0.8.1 solc-select install 0.8.10 solc-select use 0.8.1 diff --git a/slither/tools/read_storage/read_storage.py b/slither/tools/read_storage/read_storage.py index daa891ed1..6d72b9c12 100644 --- a/slither/tools/read_storage/read_storage.py +++ b/slither/tools/read_storage/read_storage.py @@ -145,7 +145,8 @@ class SlitherReadStorage: contracts (`Contract`): The contract that contains the given state variable. **kwargs: key (str): Key of a mapping or index position if an array. - deep_key (str): Key of a mapping embedded within another mapping or secondary index if array. + deep_key (str): Key of a mapping embedded within another mapping or + secondary index if array. struct_var (str): Structure variable name. Returns: (`SlotInfo`) | None : A dictionary of the slot information. @@ -200,14 +201,13 @@ class SlitherReadStorage: "size": size, "offset": offset, } - else: - return { - "type_string": type_to, - "slot": int_slot, - "size": size, - "offset": offset, - "struct_var": struct_var, - } + return { + "type_string": type_to, + "slot": int_slot, + "size": size, + "offset": offset, + "struct_var": struct_var, + } def get_target_variables(self, **kwargs) -> None: """ @@ -261,83 +261,104 @@ class SlitherReadStorage: def print_table(self) -> None: - if environ.get("TABLE_VALUE") is None: - tabulate_headers = ['slot', 'offset', 'size', 'type', 'name'] + if environ.get("TABLE_VALUE") is None: + tabulate_headers = ["slot", "offset", "size", "type", "name"] else: - tabulate_headers = ['slot', 'offset', 'size', 'type', 'name', 'value'] + tabulate_headers = ["slot", "offset", "size", "type", "name", "value"] print("Processing, grabbing values from rpc endpoint...") tabulate_data = [] - for contract, state_var in self.target_variables: + for _, state_var in self.target_variables: type_ = state_var.type - var = state_var.name info = self.slot_info[var] - - slot = info.get('slot') - offset = info.get('offset') - size = info.get('size') - type_string = info.get('type_string') - struct_var = info.get('struct_var') - + slot = info.get("slot") + offset = info.get("offset") + size = info.get("size") + type_string = info.get("type_string") + struct_var = info.get("struct_var") if environ.get("TABLE_VALUE") is None: - tabulate_data.append([slot, offset, size, type_string, var]) + tabulate_data.append( + [slot, offset, size, type_string, var] + ) else: hex_bytes = get_storage_data(self.web3, self.checksum_address, slot) - value = self.convert_value_to_type( - hex_bytes, size, offset, type_string + value = self.convert_value_to_type(hex_bytes, size, offset, type_string) + tabulate_data.append( + [ + slot, + offset, + size, + type_string, + var, + value + ] ) - tabulate_data.append([slot, offset, size, type_string, var, value]) - if is_user_defined_type(type_) and is_struct(type_.type): tabulate_data.pop() for item in info["elems"]: - slot = info["elems"][item].get('slot') - offset = info["elems"][item].get('offset') - size = info["elems"][item].get('size') - type_string = info["elems"][item].get('type_string') - struct_var = info["elems"][item].get('struct_var') + slot = info["elems"][item].get("slot") + offset = info["elems"][item].get("offset") + size = info["elems"][item].get("size") + type_string = info["elems"][item].get("type_string") + struct_var = info["elems"][item].get("struct_var") - # doesn't handle deep keys currently + # doesn't handle deep keys currently var_name_struct_or_array_var = "{} -> {}".format(var, struct_var) - if environ.get("TABLE_VALUE") is None: - tabulate_data.append([slot, offset, size, type_string, var_name_struct_or_array_var]) + tabulate_data.append( + [slot, offset, size, type_string, var_name_struct_or_array_var] + ) else: hex_bytes = get_storage_data(self.web3, self.checksum_address, slot) - value = self.convert_value_to_type( - hex_bytes, size, offset, type_string + value = self.convert_value_to_type(hex_bytes, size, offset, type_string) + tabulate_data.append( + [ + slot, + offset, + size, + type_string, + var_name_struct_or_array_var, + value + ] ) - tabulate_data.append([slot, offset, size, type_string, var_name_struct_or_array_var, value]) if is_array(type_): tabulate_data.pop() for item in info["elems"]: for key in info["elems"][item]: - slot = info["elems"][item][key].get('slot') - offset = info["elems"][item][key].get('offset') - size = info["elems"][item][key].get('size') - type_string = info["elems"][item][key].get('type_string') - struct_var = info["elems"][item][key].get('struct_var') + slot = info["elems"][item][key].get("slot") + offset = info["elems"][item][key].get("offset") + size = info["elems"][item][key].get("size") + type_string = info["elems"][item][key].get("type_string") + struct_var = info["elems"][item][key].get("struct_var") # doesn't handle deep keys currently var_name_struct_or_array_var = "{}[{}] -> {}".format(var, item, struct_var) if environ.get("TABLE_VALUE") is None: - tabulate_data.append([slot, offset, size, type_string, var_name_struct_or_array_var]) + tabulate_data.append( + [slot, offset, size, type_string, var_name_struct_or_array_var] + ) else: hex_bytes = get_storage_data(self.web3, self.checksum_address, slot) - value = self.convert_value_to_type( - hex_bytes, size, offset, type_string + value = self.convert_value_to_type(hex_bytes, size, offset, type_string) + tabulate_data.append( + [ + slot, + offset, + size, + type_string, + var_name_struct_or_array_var, + value, + ] ) - tabulate_data.append([slot, offset, size, type_string, var_name_struct_or_array_var, value]) - - print(tabulate(tabulate_data, headers=tabulate_headers, tablefmt='grid')) + print(tabulate(tabulate_data, headers=tabulate_headers, tablefmt="grid")) @staticmethod def _find_struct_var_slot( From c18b5ae43b31fa711a2adf29f5359f1f169e0cbe Mon Sep 17 00:00:00 2001 From: noxx Date: Tue, 26 Jul 2022 16:21:59 +0100 Subject: [PATCH 8/9] more linting --- slither/tools/read_storage/__main__.py | 9 +- slither/tools/read_storage/read_storage.py | 158 +++++++++++++-------- 2 files changed, 101 insertions(+), 66 deletions(-) diff --git a/slither/tools/read_storage/__main__.py b/slither/tools/read_storage/__main__.py index 3ec47d176..660af2c17 100644 --- a/slither/tools/read_storage/__main__.py +++ b/slither/tools/read_storage/__main__.py @@ -139,8 +139,7 @@ def main() -> None: srs.rpc = args.rpc_url - if args.silent: - environ["SILENT"] = "1" + environ["SILENT"] = args.silent if args.table_storage_layout: environ["TABLE"] = "1" @@ -148,14 +147,12 @@ def main() -> None: srs.get_storage_layout() srs.print_table() return - + if args.table_storage_value: - assert args.rpc_url environ["TABLE"] = "1" - environ["TABLE_VALUE"] = "1" srs.get_all_storage_variables() srs.get_storage_layout() - srs.print_table() + srs.print_table_with_values() return if args.layout: diff --git a/slither/tools/read_storage/read_storage.py b/slither/tools/read_storage/read_storage.py index 6d72b9c12..5bd2cdbd9 100644 --- a/slither/tools/read_storage/read_storage.py +++ b/slither/tools/read_storage/read_storage.py @@ -145,7 +145,7 @@ class SlitherReadStorage: contracts (`Contract`): The contract that contains the given state variable. **kwargs: key (str): Key of a mapping or index position if an array. - deep_key (str): Key of a mapping embedded within another mapping or + deep_key (str): Key of a mapping embedded within another mapping or secondary index if array. struct_var (str): Structure variable name. Returns: @@ -261,12 +261,6 @@ class SlitherReadStorage: def print_table(self) -> None: - if environ.get("TABLE_VALUE") is None: - tabulate_headers = ["slot", "offset", "size", "type", "name"] - else: - tabulate_headers = ["slot", "offset", "size", "type", "name", "value"] - print("Processing, grabbing values from rpc endpoint...") - tabulate_data = [] for _, state_var in self.target_variables: @@ -279,23 +273,7 @@ class SlitherReadStorage: type_string = info.get("type_string") struct_var = info.get("struct_var") - if environ.get("TABLE_VALUE") is None: - tabulate_data.append( - [slot, offset, size, type_string, var] - ) - else: - hex_bytes = get_storage_data(self.web3, self.checksum_address, slot) - value = self.convert_value_to_type(hex_bytes, size, offset, type_string) - tabulate_data.append( - [ - slot, - offset, - size, - type_string, - var, - value - ] - ) + tabulate_data.append([slot, offset, size, type_string, var]) if is_user_defined_type(type_) and is_struct(type_.type): tabulate_data.pop() @@ -307,25 +285,85 @@ class SlitherReadStorage: struct_var = info["elems"][item].get("struct_var") # doesn't handle deep keys currently - var_name_struct_or_array_var = "{} -> {}".format(var, struct_var) + var_name_struct_or_array_var = f"{var} -> {struct_var}" + + tabulate_data.append( + [slot, offset, size, type_string, var_name_struct_or_array_var] + ) + + if is_array(type_): + tabulate_data.pop() + for item in info["elems"]: + for key in info["elems"][item]: + slot = info["elems"][item][key].get("slot") + offset = info["elems"][item][key].get("offset") + size = info["elems"][item][key].get("size") + type_string = info["elems"][item][key].get("type_string") + struct_var = info["elems"][item][key].get("struct_var") + + # doesn't handle deep keys currently + var_name_struct_or_array_var = f"{var}[{item}] -> {struct_var}" - if environ.get("TABLE_VALUE") is None: tabulate_data.append( [slot, offset, size, type_string, var_name_struct_or_array_var] ) - else: - hex_bytes = get_storage_data(self.web3, self.checksum_address, slot) - value = self.convert_value_to_type(hex_bytes, size, offset, type_string) - tabulate_data.append( - [ - slot, - offset, - size, - type_string, - var_name_struct_or_array_var, - value - ] - ) + + print( + tabulate( + tabulate_data, headers=["slot", "offset", "size", "type", "name"], tablefmt="grid" + ) + ) + + def print_table_with_values(self) -> None: + + print("Processing, grabbing values from rpc endpoint...") + tabulate_data = [] + + for _, state_var in self.target_variables: + type_ = state_var.type + var = state_var.name + info = self.slot_info[var] + slot = info.get("slot") + offset = info.get("offset") + size = info.get("size") + type_string = info.get("type_string") + struct_var = info.get("struct_var") + + hex_bytes = get_storage_data(self.web3, self.checksum_address, slot) + tabulate_data.append( + [ + slot, + offset, + size, + type_string, + var, + self.convert_value_to_type(hex_bytes, size, offset, type_string), + ] + ) + + if is_user_defined_type(type_) and is_struct(type_.type): + tabulate_data.pop() + for item in info["elems"]: + slot = info["elems"][item].get("slot") + offset = info["elems"][item].get("offset") + size = info["elems"][item].get("size") + type_string = info["elems"][item].get("type_string") + struct_var = info["elems"][item].get("struct_var") + + # doesn't handle deep keys currently + var_name_struct_or_array_var = f"{var} -> {struct_var}" + + hex_bytes = get_storage_data(self.web3, self.checksum_address, slot) + tabulate_data.append( + [ + slot, + offset, + size, + type_string, + var_name_struct_or_array_var, + self.convert_value_to_type(hex_bytes, size, offset, type_string), + ] + ) if is_array(type_): tabulate_data.pop() @@ -338,27 +376,27 @@ class SlitherReadStorage: struct_var = info["elems"][item][key].get("struct_var") # doesn't handle deep keys currently - var_name_struct_or_array_var = "{}[{}] -> {}".format(var, item, struct_var) - - if environ.get("TABLE_VALUE") is None: - tabulate_data.append( - [slot, offset, size, type_string, var_name_struct_or_array_var] - ) - else: - hex_bytes = get_storage_data(self.web3, self.checksum_address, slot) - value = self.convert_value_to_type(hex_bytes, size, offset, type_string) - tabulate_data.append( - [ - slot, - offset, - size, - type_string, - var_name_struct_or_array_var, - value, - ] - ) - - print(tabulate(tabulate_data, headers=tabulate_headers, tablefmt="grid")) + var_name_struct_or_array_var = f"{var}[{item}] -> {struct_var}" + + hex_bytes = get_storage_data(self.web3, self.checksum_address, slot) + tabulate_data.append( + [ + slot, + offset, + size, + type_string, + var_name_struct_or_array_var, + self.convert_value_to_type(hex_bytes, size, offset, type_string), + ] + ) + + print( + tabulate( + tabulate_data, + headers=["slot", "offset", "size", "type", "name", "value"], + tablefmt="grid", + ) + ) @staticmethod def _find_struct_var_slot( From 646b6a62508de096c61cb0e8b6c618f224d3c5f0 Mon Sep 17 00:00:00 2001 From: noxx Date: Wed, 27 Jul 2022 09:13:29 +0100 Subject: [PATCH 9/9] linting --- slither/tools/read_storage/__main__.py | 2 +- slither/tools/read_storage/read_storage.py | 16 ++++++++++++---- 2 files changed, 13 insertions(+), 5 deletions(-) diff --git a/slither/tools/read_storage/__main__.py b/slither/tools/read_storage/__main__.py index 660af2c17..25314f000 100644 --- a/slither/tools/read_storage/__main__.py +++ b/slither/tools/read_storage/__main__.py @@ -147,7 +147,7 @@ def main() -> None: srs.get_storage_layout() srs.print_table() return - + if args.table_storage_value: environ["TABLE"] = "1" srs.get_all_storage_variables() diff --git a/slither/tools/read_storage/read_storage.py b/slither/tools/read_storage/read_storage.py index 5bd2cdbd9..8101ebb38 100644 --- a/slither/tools/read_storage/read_storage.py +++ b/slither/tools/read_storage/read_storage.py @@ -329,7 +329,6 @@ class SlitherReadStorage: type_string = info.get("type_string") struct_var = info.get("struct_var") - hex_bytes = get_storage_data(self.web3, self.checksum_address, slot) tabulate_data.append( [ slot, @@ -337,7 +336,12 @@ class SlitherReadStorage: size, type_string, var, - self.convert_value_to_type(hex_bytes, size, offset, type_string), + self.convert_value_to_type( + get_storage_data(self.web3, self.checksum_address, slot), + size, + offset, + type_string, + ), ] ) @@ -353,7 +357,6 @@ class SlitherReadStorage: # doesn't handle deep keys currently var_name_struct_or_array_var = f"{var} -> {struct_var}" - hex_bytes = get_storage_data(self.web3, self.checksum_address, slot) tabulate_data.append( [ slot, @@ -361,7 +364,12 @@ class SlitherReadStorage: size, type_string, var_name_struct_or_array_var, - self.convert_value_to_type(hex_bytes, size, offset, type_string), + self.convert_value_to_type( + get_storage_data(self.web3, self.checksum_address, slot), + size, + offset, + type_string, + ), ] )