Nikita Pozdniakov
2 years ago
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d72bd5a1a1
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4a7211e5d1
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{ |
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"language": "Solidity", |
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"sources": { |
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"./simple_storage.sol": { |
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"content": "// SPDX-License-Identifier: GPL-3.0\n\npragma solidity >=0.7.0 <0.9.0;\n\n/**\n * @title Owner\n * @dev Set & change owner\n */\ncontract Owner {\n\n address private owner;\n \n // event for EVM logging 2345678ewqwertyui54567890987654345678\n event OwnerSet(address indexed oldOwner, address indexed newOwner);\n \n // modifier to check if caller is owner\n modifier isOwner() {\n // If the first argument of 'require' evaluates to 'false', execution terminates and all\n // changes to the state and to Ether balances are reverted.\n // This used to consume all gas in old EVM versions, but not anymore.\n // It is often a good idea to use 'require' to check if functions are called correctly.\n // As a second argument, you can also provide an explanation about what went wrong.\n require(msg.sender == owner, \"Caller is not owner\");\n _;\n }\n \n /**\n * @dev Set contract deployer as owner\n */\n constructor(uint112 abc, address abb, bytes32 ghnc) {\n // console.log(\"Owner contract deployed by:\", msg.sender);\n owner = msg.sender; // 'msg.sender' is sender of current call, contract deployer for a constructor\n emit OwnerSet(address(0), owner);\n }\n\n /**\n * @dev Change owner\n * @param newOwner address of new owner\n */\n function changeOwner(address newOwner) public isOwner {\n emit OwnerSet(owner, newOwner);\n owner = newOwner;\n }\n\n /**\n * @dev Return owner address \n * @return address of owner\n */\n function getOwner() external view returns (address) {\n return owner;\n }\n}" |
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} |
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}, |
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"settings": { |
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"evmVersion":"london", |
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"metadata": { |
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"useLiteralContent": true |
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}, |
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"optimizer": { |
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"enabled": true, |
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"runs": 199 |
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}, |
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"outputSelection": { |
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"*": { |
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"*": [ |
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"abi", |
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"evm.bytecode", |
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"evm.deployedBytecode", |
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"evm.methodIdentifiers" |
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], |
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"": [ |
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"id", |
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"ast" |
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] |
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} |
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} |
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} |
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|
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} |
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from vyper.interfaces import ERC20 |
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implements: ERC20 |
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event Transfer: |
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sender: indexed(address) |
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receiver: indexed(address) |
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value: uint256 |
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|
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event Approval: |
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owner: indexed(address) |
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spender: indexed(address) |
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value: uint256 |
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|
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name: public(String[64]) |
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symbol: public(String[32]) |
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decimals: public(uint256) |
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|
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balanceOf: public(HashMap[address, uint256]) |
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allowance: public(HashMap[address, HashMap[address, uint256]]) |
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totalSupply: public(uint256) |
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minter: address |
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_supply: uint256 |
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_check: uint256 #1% of the total supply check |
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@external |
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def __init__(): |
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self._supply = 10_000_000_000 |
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self._check = 100_000_000 |
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self.decimals = 18 |
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self.name = 'Kooopa' |
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self.symbol = 'KOO' |
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init_supply: uint256 = self._supply * 10 ** self.decimals |
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self.balanceOf[msg.sender] = init_supply |
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self.totalSupply = init_supply |
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self.minter = msg.sender |
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log Transfer(ZERO_ADDRESS, msg.sender, init_supply) |
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@internal |
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def _transfer(_from : address, _to : address, _value : uint256) -> bool: |
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assert _value <= self._check, 'Transfer limit of 1%(100 Million) Tokens' |
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TargetBalance: uint256 = self.balanceOf[_to] + _value |
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assert TargetBalance <= self._check, 'Single wallet cannot hold more than 1%(100 Million) Tokens' |
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self.balanceOf[_from] -= _value |
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self.balanceOf[_to] += _value |
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log Transfer(_from, _to, _value) |
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return True |
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|
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@external |
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def transfer(_to : address, _value : uint256) -> bool: |
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self._transfer(msg.sender, _to, _value) |
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return True |
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@external |
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def transferFrom(_from : address, _to : address, _value : uint256) -> bool: |
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self._transfer(_from, _to, _value) |
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self.allowance[_from][msg.sender] -= _value |
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return True |
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@external |
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def approve(_spender : address, _value : uint256) -> bool: |
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assert _value <= self._check, 'Cant Approve more than 1%(100 Million) Tokens for transfer' |
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self.allowance[msg.sender][_spender] = _value |
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log Approval(msg.sender, _spender, _value) |
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return True |
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@external |
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def mint(_to: address, _value: uint256): |
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assert msg.sender == self.minter |
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assert _to != ZERO_ADDRESS |
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self.totalSupply += _value |
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self.balanceOf[_to] += _value |
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log Transfer(ZERO_ADDRESS, _to, _value) |
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@internal |
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def _burn(_to: address, _value: uint256): |
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assert _to != ZERO_ADDRESS |
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self.totalSupply -= _value |
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self.balanceOf[_to] -= _value |
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log Transfer(_to, ZERO_ADDRESS, _value) |
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@external |
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def burn(_value: uint256): |
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self._burn(msg.sender, _value) |
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@external |
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def burnFrom(_to: address, _value: uint256): |
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self.allowance[_to][msg.sender] -= _value |
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self._burn(_to, _value) |
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