The core protocol of WoopChain
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woop/internal/params/config.go

640 lines
27 KiB

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
}
// 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),
}
// 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),
}
// 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),
}
// 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),
}
// 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
}
// 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
}
// 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
}
// 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"`
}
// 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}",
c.ChainID,
c.EthCompatibleChainID,
c.EIP155Epoch,
c.CrossTxEpoch,
c.StakingEpoch,
c.CrossLinkEpoch,
c.ReceiptLogEpoch,
c.SHA3Epoch,
)
}
// 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)
}
// 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)
}
// 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 bool
}
// Rules ensures c's ChainID is not nil.
func (c *ChainConfig) Rules(epoch *big.Int) Rules {
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),
}
}