package params import ( "fmt" "math/big" "sync" "github.com/ethereum/go-ethereum/common" ) // Well-known chain IDs. var ( MainnetChainID = big.NewInt(1) TestnetChainID = big.NewInt(2) PangaeaChainID = big.NewInt(3) PartnerChainID = big.NewInt(4) StressnetChainID = big.NewInt(5) TestChainID = big.NewInt(99) // not a real network AllProtocolChangesChainID = big.NewInt(100) // not a real network // EthMainnetShard0ChainID to be reserved unique chain ID for eth compatible chains. EthMainnetShard0ChainID = big.NewInt(1666600000) EthTestnetShard0ChainID = big.NewInt(1666700000) EthPangaeaShard0ChainID = big.NewInt(1666800000) EthPartnerShard0ChainID = big.NewInt(1666900000) EthStressnetShard0ChainID = big.NewInt(1667000000) EthTestShard0ChainID = big.NewInt(1667100000) // not a real network EthAllProtocolChangesShard0ChainID = big.NewInt(1667200000) // not a real network ) // EpochTBD is a large, “not anytime soon” epoch. It used as a placeholder // until the exact epoch is decided. var EpochTBD = big.NewInt(10000000) var once sync.Once var ( // MainnetChainConfig is the chain parameters to run a node on the main network. MainnetChainConfig = &ChainConfig{ ChainID: MainnetChainID, EthCompatibleChainID: EthMainnetShard0ChainID, EthCompatibleShard0ChainID: EthMainnetShard0ChainID, EthCompatibleEpoch: big.NewInt(442), // Around Thursday Feb 4th 2020, 10AM PST CrossTxEpoch: big.NewInt(28), CrossLinkEpoch: big.NewInt(186), AggregatedRewardEpoch: big.NewInt(689), // Around Wed Sept 15th 2021 with 3.5s block time StakingEpoch: big.NewInt(186), PreStakingEpoch: big.NewInt(185), QuickUnlockEpoch: big.NewInt(191), FiveSecondsEpoch: big.NewInt(230), TwoSecondsEpoch: big.NewInt(366), // Around Tuesday Dec 8th 2020, 8AM PST SixtyPercentEpoch: big.NewInt(530), // Around Monday Apr 12th 2021, 22:30 UTC RedelegationEpoch: big.NewInt(290), NoEarlyUnlockEpoch: big.NewInt(530), // Around Monday Apr 12th 2021, 22:30 UTC VRFEpoch: big.NewInt(631), // Around Wed July 7th 2021 PrevVRFEpoch: big.NewInt(689), // Around Wed Sept 15th 2021 with 3.5s block time MinDelegation100Epoch: big.NewInt(631), // Around Wed July 7th 2021 MinCommissionRateEpoch: big.NewInt(631), // Around Wed July 7th 2021 MinCommissionPromoPeriod: big.NewInt(100), EPoSBound35Epoch: big.NewInt(631), // Around Wed July 7th 2021 EIP155Epoch: big.NewInt(28), S3Epoch: big.NewInt(28), DataCopyFixEpoch: big.NewInt(689), // Around Wed Sept 15th 2021 with 3.5s block time IstanbulEpoch: big.NewInt(314), ReceiptLogEpoch: big.NewInt(101), SHA3Epoch: big.NewInt(725), // Around Mon Oct 11 2021, 19:00 UTC HIP6And8Epoch: big.NewInt(725), // Around Mon Oct 11 2021, 19:00 UTC StakingPrecompileEpoch: big.NewInt(871), // Around Tue Feb 11 2022 SlotsLimitedEpoch: EpochTBD, // epoch to enable HIP-16 } // TestnetChainConfig contains the chain parameters to run a node on the harmony test network. TestnetChainConfig = &ChainConfig{ ChainID: TestnetChainID, EthCompatibleChainID: EthTestnetShard0ChainID, EthCompatibleShard0ChainID: EthTestnetShard0ChainID, EthCompatibleEpoch: big.NewInt(73290), CrossTxEpoch: big.NewInt(0), CrossLinkEpoch: big.NewInt(2), AggregatedRewardEpoch: big.NewInt(74275), StakingEpoch: big.NewInt(2), PreStakingEpoch: big.NewInt(1), QuickUnlockEpoch: big.NewInt(0), FiveSecondsEpoch: big.NewInt(16500), TwoSecondsEpoch: big.NewInt(73000), SixtyPercentEpoch: big.NewInt(73282), RedelegationEpoch: big.NewInt(36500), NoEarlyUnlockEpoch: big.NewInt(73580), VRFEpoch: big.NewInt(73880), PrevVRFEpoch: big.NewInt(74384), MinDelegation100Epoch: big.NewInt(73880), MinCommissionRateEpoch: big.NewInt(73880), MinCommissionPromoPeriod: big.NewInt(10), EPoSBound35Epoch: big.NewInt(73880), EIP155Epoch: big.NewInt(0), S3Epoch: big.NewInt(0), DataCopyFixEpoch: big.NewInt(74412), IstanbulEpoch: big.NewInt(43800), ReceiptLogEpoch: big.NewInt(0), SHA3Epoch: big.NewInt(74570), HIP6And8Epoch: big.NewInt(74570), StakingPrecompileEpoch: big.NewInt(75175), SlotsLimitedEpoch: big.NewInt(75684), // epoch to enable HIP-16, around Mon, 02 May 2022 08:18:45 UTC with 2s block time } // PangaeaChainConfig contains the chain parameters for the Pangaea network. // All features except for CrossLink are enabled at launch. PangaeaChainConfig = &ChainConfig{ ChainID: PangaeaChainID, EthCompatibleChainID: EthPangaeaShard0ChainID, EthCompatibleShard0ChainID: EthPangaeaShard0ChainID, EthCompatibleEpoch: big.NewInt(0), CrossTxEpoch: big.NewInt(0), CrossLinkEpoch: big.NewInt(2), AggregatedRewardEpoch: big.NewInt(3), StakingEpoch: big.NewInt(2), PreStakingEpoch: big.NewInt(1), QuickUnlockEpoch: big.NewInt(0), FiveSecondsEpoch: big.NewInt(0), TwoSecondsEpoch: big.NewInt(0), SixtyPercentEpoch: big.NewInt(0), RedelegationEpoch: big.NewInt(0), NoEarlyUnlockEpoch: big.NewInt(0), VRFEpoch: big.NewInt(0), PrevVRFEpoch: big.NewInt(0), MinDelegation100Epoch: big.NewInt(0), MinCommissionRateEpoch: big.NewInt(0), MinCommissionPromoPeriod: big.NewInt(10), EPoSBound35Epoch: big.NewInt(0), EIP155Epoch: big.NewInt(0), S3Epoch: big.NewInt(0), DataCopyFixEpoch: big.NewInt(0), IstanbulEpoch: big.NewInt(0), ReceiptLogEpoch: big.NewInt(0), SHA3Epoch: big.NewInt(0), HIP6And8Epoch: big.NewInt(0), StakingPrecompileEpoch: big.NewInt(2), // same as staking SlotsLimitedEpoch: EpochTBD, // epoch to enable HIP-16 } // PartnerChainConfig contains the chain parameters for the Partner network. // All features except for CrossLink are enabled at launch. PartnerChainConfig = &ChainConfig{ ChainID: PartnerChainID, EthCompatibleChainID: EthPartnerShard0ChainID, EthCompatibleShard0ChainID: EthPartnerShard0ChainID, EthCompatibleEpoch: big.NewInt(0), CrossTxEpoch: big.NewInt(0), CrossLinkEpoch: big.NewInt(2), AggregatedRewardEpoch: big.NewInt(3), StakingEpoch: big.NewInt(2), PreStakingEpoch: big.NewInt(1), QuickUnlockEpoch: big.NewInt(0), FiveSecondsEpoch: big.NewInt(0), TwoSecondsEpoch: big.NewInt(0), SixtyPercentEpoch: big.NewInt(4), RedelegationEpoch: big.NewInt(0), NoEarlyUnlockEpoch: big.NewInt(0), VRFEpoch: big.NewInt(0), PrevVRFEpoch: big.NewInt(0), MinDelegation100Epoch: big.NewInt(0), MinCommissionRateEpoch: big.NewInt(0), MinCommissionPromoPeriod: big.NewInt(10), EPoSBound35Epoch: big.NewInt(0), EIP155Epoch: big.NewInt(0), S3Epoch: big.NewInt(0), DataCopyFixEpoch: big.NewInt(0), IstanbulEpoch: big.NewInt(0), ReceiptLogEpoch: big.NewInt(0), SHA3Epoch: big.NewInt(0), HIP6And8Epoch: big.NewInt(0), StakingPrecompileEpoch: big.NewInt(2), SlotsLimitedEpoch: EpochTBD, // epoch to enable HIP-16 } // StressnetChainConfig contains the chain parameters for the Stress test network. // All features except for CrossLink are enabled at launch. StressnetChainConfig = &ChainConfig{ ChainID: StressnetChainID, EthCompatibleChainID: EthStressnetShard0ChainID, EthCompatibleShard0ChainID: EthStressnetShard0ChainID, EthCompatibleEpoch: big.NewInt(0), CrossTxEpoch: big.NewInt(0), CrossLinkEpoch: big.NewInt(2), AggregatedRewardEpoch: big.NewInt(3), StakingEpoch: big.NewInt(2), PreStakingEpoch: big.NewInt(1), QuickUnlockEpoch: big.NewInt(0), FiveSecondsEpoch: big.NewInt(0), TwoSecondsEpoch: big.NewInt(0), SixtyPercentEpoch: big.NewInt(10), RedelegationEpoch: big.NewInt(0), NoEarlyUnlockEpoch: big.NewInt(0), VRFEpoch: big.NewInt(0), PrevVRFEpoch: big.NewInt(0), MinDelegation100Epoch: big.NewInt(0), MinCommissionRateEpoch: big.NewInt(0), MinCommissionPromoPeriod: big.NewInt(10), EPoSBound35Epoch: big.NewInt(0), EIP155Epoch: big.NewInt(0), S3Epoch: big.NewInt(0), DataCopyFixEpoch: big.NewInt(0), IstanbulEpoch: big.NewInt(0), ReceiptLogEpoch: big.NewInt(0), SHA3Epoch: big.NewInt(0), HIP6And8Epoch: big.NewInt(0), StakingPrecompileEpoch: big.NewInt(2), SlotsLimitedEpoch: EpochTBD, // epoch to enable HIP-16 } // LocalnetChainConfig contains the chain parameters to run for local development. LocalnetChainConfig = &ChainConfig{ ChainID: TestnetChainID, EthCompatibleChainID: EthTestnetShard0ChainID, EthCompatibleShard0ChainID: EthTestnetShard0ChainID, EthCompatibleEpoch: big.NewInt(0), CrossTxEpoch: big.NewInt(0), CrossLinkEpoch: big.NewInt(2), AggregatedRewardEpoch: big.NewInt(3), StakingEpoch: big.NewInt(2), PreStakingEpoch: big.NewInt(0), QuickUnlockEpoch: big.NewInt(0), FiveSecondsEpoch: big.NewInt(0), TwoSecondsEpoch: big.NewInt(3), SixtyPercentEpoch: EpochTBD, // Never enable it for localnet as localnet has no external validator setup RedelegationEpoch: big.NewInt(0), NoEarlyUnlockEpoch: big.NewInt(0), VRFEpoch: big.NewInt(0), PrevVRFEpoch: big.NewInt(0), MinDelegation100Epoch: big.NewInt(0), MinCommissionRateEpoch: big.NewInt(0), MinCommissionPromoPeriod: big.NewInt(10), EPoSBound35Epoch: big.NewInt(0), EIP155Epoch: big.NewInt(0), S3Epoch: big.NewInt(0), DataCopyFixEpoch: big.NewInt(0), IstanbulEpoch: big.NewInt(0), ReceiptLogEpoch: big.NewInt(0), SHA3Epoch: big.NewInt(0), HIP6And8Epoch: EpochTBD, // Never enable it for localnet as localnet has no external validator setup StakingPrecompileEpoch: big.NewInt(2), SlotsLimitedEpoch: EpochTBD, // epoch to enable HIP-16 } // AllProtocolChanges ... // This configuration is intentionally not using keyed fields to force anyone // adding flags to the config to also have to set these fields. AllProtocolChanges = &ChainConfig{ AllProtocolChangesChainID, // ChainID EthAllProtocolChangesShard0ChainID, // EthCompatibleChainID EthAllProtocolChangesShard0ChainID, // EthCompatibleShard0ChainID big.NewInt(0), // EthCompatibleEpoch big.NewInt(0), // CrossTxEpoch big.NewInt(0), // CrossLinkEpoch big.NewInt(0), // AggregatedRewardEpoch big.NewInt(0), // StakingEpoch big.NewInt(0), // PreStakingEpoch big.NewInt(0), // QuickUnlockEpoch big.NewInt(0), // FiveSecondsEpoch big.NewInt(0), // TwoSecondsEpoch big.NewInt(0), // SixtyPercentEpoch big.NewInt(0), // RedelegationEpoch big.NewInt(0), // NoEarlyUnlockEpoch big.NewInt(0), // VRFEpoch big.NewInt(0), // PrevVRFEpoch big.NewInt(0), // MinDelegation100Epoch big.NewInt(0), // MinCommissionRateEpoch big.NewInt(10), // MinCommissionPromoPeriod big.NewInt(0), // EPoSBound35Epoch big.NewInt(0), // EIP155Epoch big.NewInt(0), // S3Epoch big.NewInt(0), // DataCopyFixEpoch big.NewInt(0), // IstanbulEpoch big.NewInt(0), // ReceiptLogEpoch big.NewInt(0), // SHA3Epoch big.NewInt(0), // HIP6And8Epoch big.NewInt(0), // StakingPrecompileEpoch big.NewInt(0), // SlotsLimitedEpoch } // TestChainConfig ... // This configuration is intentionally not using keyed fields to force anyone // adding flags to the config to also have to set these fields. TestChainConfig = &ChainConfig{ TestChainID, // ChainID EthTestShard0ChainID, // EthCompatibleChainID EthTestShard0ChainID, // EthCompatibleShard0ChainID big.NewInt(0), // EthCompatibleEpoch big.NewInt(0), // CrossTxEpoch big.NewInt(0), // CrossLinkEpoch big.NewInt(0), // AggregatedRewardEpoch big.NewInt(0), // StakingEpoch big.NewInt(0), // PreStakingEpoch big.NewInt(0), // QuickUnlockEpoch big.NewInt(0), // FiveSecondsEpoch big.NewInt(0), // TwoSecondsEpoch big.NewInt(0), // SixtyPercentEpoch big.NewInt(0), // RedelegationEpoch big.NewInt(0), // NoEarlyUnlockEpoch big.NewInt(0), // VRFEpoch big.NewInt(0), // PrevVRFEpoch big.NewInt(0), // MinDelegation100Epoch big.NewInt(0), // MinCommissionRateEpoch big.NewInt(10), // MinCommissionPromoPeriod big.NewInt(0), // EPoSBound35Epoch big.NewInt(0), // EIP155Epoch big.NewInt(0), // S3Epoch big.NewInt(0), // DataCopyFixEpoch big.NewInt(0), // IstanbulEpoch big.NewInt(0), // ReceiptLogEpoch big.NewInt(0), // SHA3Epoch big.NewInt(0), // HIP6And8Epoch big.NewInt(0), // StakingPrecompileEpoch big.NewInt(0), // SlotsLimitedEpoch } // TestRules ... TestRules = TestChainConfig.Rules(new(big.Int)) ) // TrustedCheckpoint represents a set of post-processed trie roots (CHT and // BloomTrie) associated with the appropriate section index and head hash. It is // used to start light syncing from this checkpoint and avoid downloading the // entire header chain while still being able to securely access old headers/logs. type TrustedCheckpoint struct { Name string `json:"-"` SectionIndex uint64 `json:"sectionIndex"` SectionHead common.Hash `json:"sectionHead"` CHTRoot common.Hash `json:"chtRoot"` BloomRoot common.Hash `json:"bloomRoot"` } // ChainConfig is the core config which determines the blockchain settings. // // ChainConfig is stored in the database on a per block basis. This means // that any network, identified by its genesis block, can have its own // set of configuration options. type ChainConfig struct { // ChainId identifies the current chain and is used for replay protection ChainID *big.Int `json:"chain-id"` // EthCompatibleChainID identifies the chain id used for ethereum compatible transactions EthCompatibleChainID *big.Int `json:"eth-compatible-chain-id"` // EthCompatibleShard0ChainID identifies the shard 0 chain id used for ethereum compatible transactions EthCompatibleShard0ChainID *big.Int `json:"eth-compatible-shard-0-chain-id"` // EthCompatibleEpoch is the epoch where ethereum-compatible transaction starts being // processed. EthCompatibleEpoch *big.Int `json:"eth-compatible-epoch,omitempty"` // CrossTxEpoch is the epoch where cross-shard transaction starts being // processed. CrossTxEpoch *big.Int `json:"cross-tx-epoch,omitempty"` // CrossLinkEpoch is the epoch where beaconchain starts containing // cross-shard links. CrossLinkEpoch *big.Int `json:"cross-link-epoch,omitempty"` // AggregatedRewardEpoch is the epoch when block rewards are distributed every 64 blocks AggregatedRewardEpoch *big.Int `json:"aggregated-reward-epoch,omitempty"` // StakingEpoch is the epoch when shard assign takes staking into account StakingEpoch *big.Int `json:"staking-epoch,omitempty"` // PreStakingEpoch is the epoch we allow staking transactions PreStakingEpoch *big.Int `json:"prestaking-epoch,omitempty"` // QuickUnlockEpoch is the epoch when undelegation will be unlocked at the current epoch QuickUnlockEpoch *big.Int `json:"quick-unlock-epoch,omitempty"` // FiveSecondsEpoch is the epoch when block time is reduced to 5 seconds // and block rewards adjusted to 17.5 ONE/block FiveSecondsEpoch *big.Int `json:"five-seconds-epoch,omitempty"` // TwoSecondsEpoch is the epoch when block time is reduced to 2 seconds // and block rewards adjusted to 7 ONE/block TwoSecondsEpoch *big.Int `json:"two-seconds-epoch,omitempty"` // SixtyPercentEpoch is the epoch when internal voting power reduced from 68% to 60% SixtyPercentEpoch *big.Int `json:"sixty-percent-epoch,omitempty"` // RedelegationEpoch is the epoch when redelegation is supported and undelegation locking time // is restored to 7 epoch RedelegationEpoch *big.Int `json:"redelegation-epoch,omitempty"` // NoEarlyUnlockEpoch is the epoch when the early unlock of undelegated token from validators who were elected for // more than 7 epochs is disabled NoEarlyUnlockEpoch *big.Int `json:"no-early-unlock-epoch,omitempty"` // VRFEpoch is the epoch when VRF randomness is enabled VRFEpoch *big.Int `json:"vrf-epoch,omitempty"` // PrevVRFEpoch is the epoch when previous VRF randomness can be fetched PrevVRFEpoch *big.Int `json:"prev-vrf-epoch,omitempty"` // MinDelegation100Epoch is the epoch when min delegation is reduced from 1000 ONE to 100 ONE MinDelegation100Epoch *big.Int `json:"min-delegation-100-epoch,omitempty"` // MinCommissionRateEpoch is the epoch when policy for minimum comission rate of 5% is started MinCommissionRateEpoch *big.Int `json:"min-commission-rate-epoch,omitempty"` // MinCommissionPromoPeriod is the number of epochs when newly elected validators can have 0% commission MinCommissionPromoPeriod *big.Int `json:"commission-promo-period,omitempty"` // EPoSBound35Epoch is the epoch when the EPoS bound parameter c is changed from 15% to 35% EPoSBound35Epoch *big.Int `json:"epos-bound-35-epoch,omitempty"` // EIP155 hard fork epoch (include EIP158 too) EIP155Epoch *big.Int `json:"eip155-epoch,omitempty"` // S3 epoch is the first epoch containing S3 mainnet and all ethereum update up to Constantinople S3Epoch *big.Int `json:"s3-epoch,omitempty"` // DataCopyFix epoch is the first epoch containing fix for evm datacopy bug. DataCopyFixEpoch *big.Int `json:"data-copy-fix-epoch,omitempty"` // Istanbul epoch IstanbulEpoch *big.Int `json:"istanbul-epoch,omitempty"` // ReceiptLogEpoch is the first epoch support receiptlog ReceiptLogEpoch *big.Int `json:"receipt-log-epoch,omitempty"` // IsSHA3Epoch is the first epoch in supporting SHA3 FIPS-202 standard SHA3Epoch *big.Int `json:"sha3-epoch,omitempty"` // IsHIP6And8Epoch is the first epoch to support HIP-6 and HIP-8 HIP6And8Epoch *big.Int `json:"hip6_8-epoch,omitempty"` // StakingPrecompileEpoch is the first epoch to support the staking precompiles StakingPrecompileEpoch *big.Int `json:"staking-precompile-epoch,omitempty"` // SlotsLimitedEpoch is the first epoch to enable HIP-16. SlotsLimitedEpoch *big.Int `json:"slots-limit-epoch,omitempty"` } // String implements the fmt.Stringer interface. func (c *ChainConfig) String() string { return fmt.Sprintf("{ChainID: %v EthCompatibleChainID: %v EIP155: %v CrossTx: %v Staking: %v CrossLink: %v ReceiptLog: %v SHA3Epoch: %v StakingPrecompileEpoch: %v}", c.ChainID, c.EthCompatibleChainID, c.EIP155Epoch, c.CrossTxEpoch, c.StakingEpoch, c.CrossLinkEpoch, c.ReceiptLogEpoch, c.SHA3Epoch, c.StakingPrecompileEpoch, ) } // IsEIP155 returns whether epoch is either equal to the EIP155 fork epoch or greater. func (c *ChainConfig) IsEIP155(epoch *big.Int) bool { return isForked(c.EIP155Epoch, epoch) } // AcceptsCrossTx returns whether cross-shard transaction is accepted in the // given epoch. // // Note that this is different from comparing epoch against CrossTxEpoch. // Cross-shard transaction is accepted from CrossTxEpoch+1 and on, in order to // allow for all shards to roll into CrossTxEpoch and become able to handle // ingress receipts. In other words, cross-shard transaction fields are // introduced and ingress receipts are processed at CrossTxEpoch, but the shard // does not accept cross-shard transactions from clients until CrossTxEpoch+1. func (c *ChainConfig) AcceptsCrossTx(epoch *big.Int) bool { crossTxEpoch := new(big.Int).Add(c.CrossTxEpoch, common.Big1) return isForked(crossTxEpoch, epoch) } // HasCrossTxFields returns whether blocks in the given epoch includes // cross-shard transaction fields. func (c *ChainConfig) HasCrossTxFields(epoch *big.Int) bool { return isForked(c.CrossTxEpoch, epoch) } // IsEthCompatible determines whether it is ethereum compatible epoch func (c *ChainConfig) IsEthCompatible(epoch *big.Int) bool { return isForked(c.EthCompatibleEpoch, epoch) } // IsAggregatedRewardEpoch determines whether it is the epoch when rewards are distributed every 64 blocks func (c *ChainConfig) IsAggregatedRewardEpoch(epoch *big.Int) bool { return isForked(c.AggregatedRewardEpoch, epoch) } // IsStaking determines whether it is staking epoch func (c *ChainConfig) IsStaking(epoch *big.Int) bool { return isForked(c.StakingEpoch, epoch) } // IsSlotsLimited determines whether HIP-16 is enabled func (c *ChainConfig) IsSlotsLimited(epoch *big.Int) bool { return isForked(c.SlotsLimitedEpoch, epoch) } // IsFiveSeconds determines whether it is the epoch to change to 5 seconds block time func (c *ChainConfig) IsFiveSeconds(epoch *big.Int) bool { return isForked(c.FiveSecondsEpoch, epoch) } // IsTwoSeconds determines whether it is the epoch to change to 3 seconds block time func (c *ChainConfig) IsTwoSeconds(epoch *big.Int) bool { return isForked(c.TwoSecondsEpoch, epoch) } // IsSixtyPercent determines whether it is the epoch to reduce internal voting power to 60% func (c *ChainConfig) IsSixtyPercent(epoch *big.Int) bool { return isForked(c.SixtyPercentEpoch, epoch) } // IsRedelegation determines whether it is the epoch to support redelegation func (c *ChainConfig) IsRedelegation(epoch *big.Int) bool { return isForked(c.RedelegationEpoch, epoch) } // IsNoEarlyUnlock determines whether it is the epoch to stop early unlock func (c *ChainConfig) IsNoEarlyUnlock(epoch *big.Int) bool { return isForked(c.NoEarlyUnlockEpoch, epoch) } // IsVRF determines whether it is the epoch to enable vrf func (c *ChainConfig) IsVRF(epoch *big.Int) bool { return isForked(c.VRFEpoch, epoch) } // IsPrevVRF determines whether it is the epoch to enable previous vrf func (c *ChainConfig) IsPrevVRF(epoch *big.Int) bool { return isForked(c.PrevVRFEpoch, epoch) } // IsMinDelegation100 determines whether it is the epoch to reduce min delegation to 100 func (c *ChainConfig) IsMinDelegation100(epoch *big.Int) bool { return isForked(c.MinDelegation100Epoch, epoch) } // IsMinCommissionRate determines whether it is the epoch to start the policy of 5% min commission func (c *ChainConfig) IsMinCommissionRate(epoch *big.Int) bool { return isForked(c.MinCommissionRateEpoch, epoch) } // IsEPoSBound35 determines whether it is the epoch to extend the EPoS bound to 35% func (c *ChainConfig) IsEPoSBound35(epoch *big.Int) bool { return isForked(c.EPoSBound35Epoch, epoch) } // IsPreStaking determines whether staking transactions are allowed func (c *ChainConfig) IsPreStaking(epoch *big.Int) bool { return isForked(c.PreStakingEpoch, epoch) } // IsQuickUnlock determines whether it's the epoch when the undelegation should be unlocked at end of current epoch func (c *ChainConfig) IsQuickUnlock(epoch *big.Int) bool { return isForked(c.QuickUnlockEpoch, epoch) } // IsCrossLink returns whether epoch is either equal to the CrossLink fork epoch or greater. func (c *ChainConfig) IsCrossLink(epoch *big.Int) bool { return isForked(c.CrossLinkEpoch, epoch) } // IsS3 returns whether epoch is either equal to the S3 fork epoch or greater. func (c *ChainConfig) IsS3(epoch *big.Int) bool { return isForked(c.S3Epoch, epoch) } // IsDataCopyFixEpoch returns whether epoch has the fix for DataCopy evm bug. func (c *ChainConfig) IsDataCopyFixEpoch(epoch *big.Int) bool { return isForked(c.DataCopyFixEpoch, epoch) } // IsIstanbul returns whether epoch is either equal to the Istanbul fork epoch or greater. func (c *ChainConfig) IsIstanbul(epoch *big.Int) bool { return isForked(c.IstanbulEpoch, epoch) } // IsReceiptLog returns whether epoch is either equal to the ReceiptLog fork epoch or greater. func (c *ChainConfig) IsReceiptLog(epoch *big.Int) bool { return isForked(c.ReceiptLogEpoch, epoch) } // IsSHA3 returns whether epoch is either equal to the IsSHA3 fork epoch or greater. func (c *ChainConfig) IsSHA3(epoch *big.Int) bool { return isForked(c.SHA3Epoch, epoch) } // IsHIP6And8Epoch determines whether it is the epoch to support // HIP-6: reduce the internal voting power from 60% to 49% // HIP-8: increase external nodes from 800 to 900 func (c *ChainConfig) IsHIP6And8Epoch(epoch *big.Int) bool { return isForked(c.HIP6And8Epoch, epoch) } // IsStakingPrecompileEpoch determines whether staking // precompiles are available in the EVM func (c *ChainConfig) IsStakingPrecompile(epoch *big.Int) bool { return isForked(c.StakingPrecompileEpoch, epoch) } // UpdateEthChainIDByShard update the ethChainID based on shard ID. func UpdateEthChainIDByShard(shardID uint32) { once.Do(func() { MainnetChainConfig.EthCompatibleChainID = big.NewInt(0).Add(MainnetChainConfig.EthCompatibleChainID, big.NewInt(int64(shardID))) TestnetChainConfig.EthCompatibleChainID = big.NewInt(0).Add(TestnetChainConfig.EthCompatibleChainID, big.NewInt(int64(shardID))) PangaeaChainConfig.EthCompatibleChainID = big.NewInt(0).Add(PangaeaChainConfig.EthCompatibleChainID, big.NewInt(int64(shardID))) PartnerChainConfig.EthCompatibleChainID = big.NewInt(0).Add(PartnerChainConfig.EthCompatibleChainID, big.NewInt(int64(shardID))) StressnetChainConfig.EthCompatibleChainID = big.NewInt(0).Add(StressnetChainConfig.EthCompatibleChainID, big.NewInt(int64(shardID))) LocalnetChainConfig.EthCompatibleChainID = big.NewInt(0).Add(LocalnetChainConfig.EthCompatibleChainID, big.NewInt(int64(shardID))) AllProtocolChanges.EthCompatibleChainID = big.NewInt(0).Add(AllProtocolChanges.EthCompatibleChainID, big.NewInt(int64(shardID))) TestChainConfig.EthCompatibleChainID = big.NewInt(0).Add(TestChainConfig.EthCompatibleChainID, big.NewInt(int64(shardID))) }) } // IsEthCompatible returns whether the chainID is for ethereum compatible txn or not func IsEthCompatible(chainID *big.Int) bool { return chainID.Cmp(EthMainnetShard0ChainID) >= 0 } // GasTable returns the gas table corresponding to the current phase (homestead or homestead reprice). // // The returned GasTable's fields shouldn't, under any circumstances, be changed. func (c *ChainConfig) GasTable(epoch *big.Int) GasTable { if epoch == nil { return GasTableR3 } switch { case c.IsS3(epoch): return GasTableS3 default: return GasTableR3 } } // isForked returns whether a fork scheduled at epoch s is active at the given head epoch. func isForked(s, epoch *big.Int) bool { if s == nil || epoch == nil { return false } return s.Cmp(epoch) <= 0 } // Rules wraps ChainConfig and is merely syntactic sugar or can be used for functions // that do not have or require information about the block. // // Rules is a one time interface meaning that it shouldn't be used in between transition // phases. type Rules struct { ChainID *big.Int EthChainID *big.Int IsCrossLink, IsEIP155, IsS3, IsReceiptLog, IsIstanbul, IsVRF, IsPrevVRF, IsSHA3, IsStakingPrecompile bool } // Rules ensures c's ChainID is not nil. func (c *ChainConfig) Rules(epoch *big.Int) Rules { if c.IsStakingPrecompile(epoch) { if !c.IsPreStaking(epoch) { panic("Cannot have staking precompile epoch if not prestaking epoch") } } chainID := c.ChainID if chainID == nil { chainID = new(big.Int) } ethChainID := c.EthCompatibleChainID if ethChainID == nil { ethChainID = new(big.Int) } return Rules{ ChainID: new(big.Int).Set(chainID), EthChainID: new(big.Int).Set(ethChainID), IsCrossLink: c.IsCrossLink(epoch), IsEIP155: c.IsEIP155(epoch), IsS3: c.IsS3(epoch), IsReceiptLog: c.IsReceiptLog(epoch), IsIstanbul: c.IsIstanbul(epoch), IsVRF: c.IsVRF(epoch), IsPrevVRF: c.IsPrevVRF(epoch), IsSHA3: c.IsSHA3(epoch), IsStakingPrecompile: c.IsStakingPrecompile(epoch), } }