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@ -17,17 +17,17 @@ var ( |
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// MainnetChainConfig is the chain parameters to run a node on the main network.
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MainnetChainConfig = &ChainConfig{ |
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ChainID: big.NewInt(1), |
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CrossLinkBlock: big.NewInt(655360), // 40 * 2^14
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EIP155Block: big.NewInt(655360), // 40 * 2^14
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S3Block: big.NewInt(655360), // 40 * 2^14
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CrossLinkEpoch: big.NewInt(21), |
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EIP155Epoch: big.NewInt(20), |
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S3Epoch: big.NewInt(20), |
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} |
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// TestnetChainConfig contains the chain parameters to run a node on the harmony test network.
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TestnetChainConfig = &ChainConfig{ |
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ChainID: big.NewInt(2), |
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CrossLinkBlock: big.NewInt(0), |
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EIP155Block: big.NewInt(0), |
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S3Block: big.NewInt(0), |
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CrossLinkEpoch: big.NewInt(0), |
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EIP155Epoch: big.NewInt(0), |
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S3Epoch: big.NewInt(0), |
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} |
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// AllProtocolChanges ...
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@ -60,64 +60,45 @@ type TrustedCheckpoint struct { |
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type ChainConfig struct { |
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ChainID *big.Int `json:"chainId"` // chainId identifies the current chain and is used for replay protection
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CrossLinkBlock *big.Int `json:"homesteadBlock,omitempty"` |
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CrossLinkEpoch *big.Int `json:"homesteadBlock,omitempty"` |
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EIP155Block *big.Int `json:"eip155Block,omitempty"` // EIP155 HF block (include EIP158 too)
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S3Block *big.Int `json:"s3Block,omitempty"` // S3 block is the first block containing S3 mainnet and all ethereum update up to Constantinople
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} |
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// EthashConfig is the consensus engine configs for proof-of-work based sealing.
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type EthashConfig struct{} |
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// String implements the stringer interface, returning the consensus engine details.
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func (c *EthashConfig) String() string { |
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return "ethash" |
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} |
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// CliqueConfig is the consensus engine configs for proof-of-authority based sealing.
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type CliqueConfig struct { |
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Period uint64 `json:"period"` // Number of seconds between blocks to enforce
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Epoch uint64 `json:"epoch"` // Epoch length to reset votes and checkpoint
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} |
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// String implements the stringer interface, returning the consensus engine details.
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func (c *CliqueConfig) String() string { |
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return "clique" |
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EIP155Epoch *big.Int `json:"eip155Block,omitempty"` // EIP155 hard fork epoch (include EIP158 too)
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S3Epoch *big.Int `json:"s3Block,omitempty"` // S3 epoch is the first epoch containing S3 mainnet and all ethereum update up to Constantinople
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} |
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// String implements the fmt.Stringer interface.
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func (c *ChainConfig) String() string { |
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return fmt.Sprintf("{ChainID: %v EIP155: %v CrossLink: %v}", |
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c.ChainID, |
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c.CrossLinkBlock, |
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c.EIP155Block, |
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c.CrossLinkEpoch, |
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c.EIP155Epoch, |
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) |
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} |
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// IsEIP155 returns whether num is either equal to the EIP155 fork block or greater.
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func (c *ChainConfig) IsEIP155(num *big.Int) bool { |
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return isForked(c.EIP155Block, num) |
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// IsEIP155 returns whether epoch is either equal to the EIP155 fork epoch or greater.
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func (c *ChainConfig) IsEIP155(epoch *big.Int) bool { |
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return isForked(c.EIP155Epoch, epoch) |
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} |
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// IsCrossLink returns whether num is either equal to the CrossLink fork block or greater.
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func (c *ChainConfig) IsCrossLink(num *big.Int) bool { |
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return isForked(c.CrossLinkBlock, num) |
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// IsCrossLink returns whether epoch is either equal to the CrossLink fork epoch or greater.
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func (c *ChainConfig) IsCrossLink(epoch *big.Int) bool { |
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return isForked(c.CrossLinkEpoch, epoch) |
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} |
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// IsS3 returns whether num is either equal to the S3 fork block or greater.
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func (c *ChainConfig) IsS3(num *big.Int) bool { |
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return isForked(c.CrossLinkBlock, num) |
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// IsS3 returns whether epoch is either equal to the S3 fork epoch or greater.
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func (c *ChainConfig) IsS3(epoch *big.Int) bool { |
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return isForked(c.CrossLinkEpoch, epoch) |
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} |
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// GasTable returns the gas table corresponding to the current phase (homestead or homestead reprice).
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//
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// The returned GasTable's fields shouldn't, under any circumstances, be changed.
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func (c *ChainConfig) GasTable(num *big.Int) GasTable { |
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if num == nil { |
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func (c *ChainConfig) GasTable(epoch *big.Int) GasTable { |
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if epoch == nil { |
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return GasTableR3 |
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} |
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switch { |
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case c.IsS3(num): |
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case c.IsS3(epoch): |
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return GasTableS3 |
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default: |
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return GasTableR3 |
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@ -143,30 +124,31 @@ func (c *ChainConfig) CheckCompatible(newcfg *ChainConfig, height uint64) *Confi |
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} |
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func (c *ChainConfig) checkCompatible(newcfg *ChainConfig, head *big.Int) *ConfigCompatError { |
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if isForkIncompatible(c.EIP155Block, newcfg.EIP155Block, head) { |
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return newCompatError("EIP155 fork block", c.EIP155Block, newcfg.EIP155Block) |
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} |
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if isForkIncompatible(c.CrossLinkBlock, newcfg.CrossLinkBlock, head) { |
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return newCompatError("CrossLink fork block", c.CrossLinkBlock, newcfg.CrossLinkBlock) |
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} |
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if isForkIncompatible(c.S3Block, newcfg.S3Block, head) { |
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return newCompatError("S3 fork block", c.S3Block, newcfg.S3Block) |
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} |
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// TODO: check compatibility and reversion based on epochs.
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//if isForkIncompatible(c.EIP155Epoch, newcfg.EIP155Epoch, head) {
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// return newCompatError("EIP155 fork block", c.EIP155Epoch, newcfg.EIP155Epoch)
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//}
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//if isForkIncompatible(c.CrossLinkEpoch, newcfg.CrossLinkEpoch, head) {
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// return newCompatError("CrossLink fork block", c.CrossLinkEpoch, newcfg.CrossLinkEpoch)
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//}
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//if isForkIncompatible(c.S3Epoch, newcfg.S3Epoch, head) {
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// return newCompatError("S3 fork block", c.S3Epoch, newcfg.S3Epoch)
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//}
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return nil |
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} |
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// isForkIncompatible returns true if a fork scheduled at s1 cannot be rescheduled to
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// block s2 because head is already past the fork.
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func isForkIncompatible(s1, s2, head *big.Int) bool { |
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return (isForked(s1, head) || isForked(s2, head)) && !configNumEqual(s1, s2) |
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// epoch s2 because head is already past the fork.
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func isForkIncompatible(s1, s2, epoch *big.Int) bool { |
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return (isForked(s1, epoch) || isForked(s2, epoch)) && !configNumEqual(s1, s2) |
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} |
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// isForked returns whether a fork scheduled at block s is active at the given head block.
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func isForked(s, head *big.Int) bool { |
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if s == nil || head == nil { |
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// isForked returns whether a fork scheduled at epoch s is active at the given head epoch.
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func isForked(s, epoch *big.Int) bool { |
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if s == nil || epoch == nil { |
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return false |
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} |
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return s.Cmp(head) <= 0 |
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return s.Cmp(epoch) <= 0 |
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} |
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func configNumEqual(x, y *big.Int) bool { |
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@ -221,15 +203,15 @@ type Rules struct { |
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} |
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// Rules ensures c's ChainID is not nil.
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func (c *ChainConfig) Rules(num *big.Int) Rules { |
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func (c *ChainConfig) Rules(epoch *big.Int) Rules { |
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chainID := c.ChainID |
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if chainID == nil { |
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chainID = new(big.Int) |
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} |
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return Rules{ |
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ChainID: new(big.Int).Set(chainID), |
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IsCrossLink: c.IsCrossLink(num), |
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IsEIP155: c.IsEIP155(num), |
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IsS3: c.IsS3(num), |
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IsCrossLink: c.IsCrossLink(epoch), |
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IsEIP155: c.IsEIP155(epoch), |
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IsS3: c.IsS3(epoch), |
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} |
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} |
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Rongjian Lan
5 years ago