From 89b138cf2fe5c988eea8f2e74d042fc092849f8e Mon Sep 17 00:00:00 2001 From: Guillaume Ballet <3272758+gballet@users.noreply.github.com> Date: Tue, 19 Jul 2022 14:50:17 +0200 Subject: [PATCH] params: Add Shanghai and Cancun blocks (#25305) * params: Add Shangai and Cancun blocks * fix copy/paste error Co-authored-by: Martin Holst Swende * fix typo in Shanghai name Co-authored-by: Martin Holst Swende --- params/config.go | 36 ++++++++++++++++++++++++++++++++---- 1 file changed, 32 insertions(+), 4 deletions(-) diff --git a/params/config.go b/params/config.go index 26c5123e71..1d530a8a6b 100644 --- a/params/config.go +++ b/params/config.go @@ -261,16 +261,16 @@ var ( // // This configuration is intentionally not using keyed fields to force anyone // adding flags to the config to also have to set these fields. - AllEthashProtocolChanges = &ChainConfig{big.NewInt(1337), big.NewInt(0), nil, false, big.NewInt(0), common.Hash{}, big.NewInt(0), big.NewInt(0), big.NewInt(0), big.NewInt(0), big.NewInt(0), big.NewInt(0), big.NewInt(0), big.NewInt(0), big.NewInt(0), big.NewInt(0), big.NewInt(0), nil, nil, new(EthashConfig), nil} + AllEthashProtocolChanges = &ChainConfig{big.NewInt(1337), big.NewInt(0), nil, false, big.NewInt(0), common.Hash{}, big.NewInt(0), big.NewInt(0), big.NewInt(0), big.NewInt(0), big.NewInt(0), big.NewInt(0), big.NewInt(0), big.NewInt(0), big.NewInt(0), big.NewInt(0), big.NewInt(0), nil, nil, nil, nil, new(EthashConfig), nil} // AllCliqueProtocolChanges contains every protocol change (EIPs) introduced // and accepted by the Ethereum core developers into the Clique consensus. // // This configuration is intentionally not using keyed fields to force anyone // adding flags to the config to also have to set these fields. - AllCliqueProtocolChanges = &ChainConfig{big.NewInt(1337), big.NewInt(0), nil, false, big.NewInt(0), common.Hash{}, big.NewInt(0), big.NewInt(0), big.NewInt(0), big.NewInt(0), big.NewInt(0), big.NewInt(0), big.NewInt(0), big.NewInt(0), big.NewInt(0), nil, nil, nil, nil, nil, &CliqueConfig{Period: 0, Epoch: 30000}} + AllCliqueProtocolChanges = &ChainConfig{big.NewInt(1337), big.NewInt(0), nil, false, big.NewInt(0), common.Hash{}, big.NewInt(0), big.NewInt(0), big.NewInt(0), big.NewInt(0), big.NewInt(0), big.NewInt(0), big.NewInt(0), big.NewInt(0), big.NewInt(0), nil, nil, nil, nil, nil, nil, nil, &CliqueConfig{Period: 0, Epoch: 30000}} - TestChainConfig = &ChainConfig{big.NewInt(1), big.NewInt(0), nil, false, big.NewInt(0), common.Hash{}, big.NewInt(0), big.NewInt(0), big.NewInt(0), big.NewInt(0), big.NewInt(0), big.NewInt(0), big.NewInt(0), big.NewInt(0), big.NewInt(0), big.NewInt(0), big.NewInt(0), nil, nil, new(EthashConfig), nil} + TestChainConfig = &ChainConfig{big.NewInt(1), big.NewInt(0), nil, false, big.NewInt(0), common.Hash{}, big.NewInt(0), big.NewInt(0), big.NewInt(0), big.NewInt(0), big.NewInt(0), big.NewInt(0), big.NewInt(0), big.NewInt(0), big.NewInt(0), big.NewInt(0), big.NewInt(0), nil, nil, nil, nil, new(EthashConfig), nil} TestRules = TestChainConfig.Rules(new(big.Int), false) ) @@ -361,6 +361,8 @@ type ChainConfig struct { ArrowGlacierBlock *big.Int `json:"arrowGlacierBlock,omitempty"` // Eip-4345 (bomb delay) switch block (nil = no fork, 0 = already activated) GrayGlacierBlock *big.Int `json:"grayGlacierBlock,omitempty"` // Eip-5133 (bomb delay) switch block (nil = no fork, 0 = already activated) MergeNetsplitBlock *big.Int `json:"mergeNetsplitBlock,omitempty"` // Virtual fork after The Merge to use as a network splitter + ShanghaiBlock *big.Int `json:"shanghaiBlock,omitempty"` // Shanghai switch block (nil = no fork, 0 = already on shanghai) + CancunBlock *big.Int `json:"cancunBlock,omitempty"` // Cancun switch block (nil = no fork, 0 = already on cancun) // TerminalTotalDifficulty is the amount of total difficulty reached by // the network that triggers the consensus upgrade. @@ -444,6 +446,12 @@ func (c *ChainConfig) String() string { if c.GrayGlacierBlock != nil { banner += fmt.Sprintf(" - Gray Glacier: %-8v (https://github.com/ethereum/execution-specs/blob/master/network-upgrades/mainnet-upgrades/gray-glacier.md)\n", c.GrayGlacierBlock) } + if c.ShanghaiBlock != nil { + banner += fmt.Sprintf(" - Shanghai: %-8v (https://github.com/ethereum/execution-specs/blob/master/network-upgrades/mainnet-upgrades/shanghai.md)\n", c.ShanghaiBlock) + } + if c.CancunBlock != nil { + banner += fmt.Sprintf(" - Cancun: %-8v\n", c.CancunBlock) + } banner += "\n" // Add a special section for the merge as it's non-obvious @@ -539,6 +547,16 @@ func (c *ChainConfig) IsTerminalPoWBlock(parentTotalDiff *big.Int, totalDiff *bi return parentTotalDiff.Cmp(c.TerminalTotalDifficulty) < 0 && totalDiff.Cmp(c.TerminalTotalDifficulty) >= 0 } +// IsShanghai returns whether num is either equal to the Shanghai fork block or greater. +func (c *ChainConfig) IsShanghai(num *big.Int) bool { + return isForked(c.ShanghaiBlock, num) +} + +// IsCancun returns whether num is either equal to the Cancun fork block or greater. +func (c *ChainConfig) IsCancun(num *big.Int) bool { + return isForked(c.CancunBlock, num) +} + // CheckCompatible checks whether scheduled fork transitions have been imported // with a mismatching chain configuration. func (c *ChainConfig) CheckCompatible(newcfg *ChainConfig, height uint64) *ConfigCompatError { @@ -582,6 +600,8 @@ func (c *ChainConfig) CheckConfigForkOrder() error { {name: "arrowGlacierBlock", block: c.ArrowGlacierBlock, optional: true}, {name: "grayGlacierBlock", block: c.GrayGlacierBlock, optional: true}, {name: "mergeNetsplitBlock", block: c.MergeNetsplitBlock, optional: true}, + {name: "shanghaiBlock", block: c.ShanghaiBlock, optional: true}, + {name: "cancunBlock", block: c.CancunBlock, optional: true}, } { if lastFork.name != "" { // Next one must be higher number @@ -660,6 +680,12 @@ func (c *ChainConfig) checkCompatible(newcfg *ChainConfig, head *big.Int) *Confi if isForkIncompatible(c.MergeNetsplitBlock, newcfg.MergeNetsplitBlock, head) { return newCompatError("Merge netsplit fork block", c.MergeNetsplitBlock, newcfg.MergeNetsplitBlock) } + if isForkIncompatible(c.ShanghaiBlock, newcfg.ShanghaiBlock, head) { + return newCompatError("Shanghai fork block", c.ShanghaiBlock, newcfg.ShanghaiBlock) + } + if isForkIncompatible(c.CancunBlock, newcfg.CancunBlock, head) { + return newCompatError("Cancun fork block", c.CancunBlock, newcfg.CancunBlock) + } return nil } @@ -728,7 +754,7 @@ type Rules struct { IsHomestead, IsEIP150, IsEIP155, IsEIP158 bool IsByzantium, IsConstantinople, IsPetersburg, IsIstanbul bool IsBerlin, IsLondon bool - IsMerge bool + IsMerge, IsShanghai, isCancun bool } // Rules ensures c's ChainID is not nil. @@ -750,5 +776,7 @@ func (c *ChainConfig) Rules(num *big.Int, isMerge bool) Rules { IsBerlin: c.IsBerlin(num), IsLondon: c.IsLondon(num), IsMerge: isMerge, + IsShanghai: c.IsShanghai(num), + isCancun: c.IsCancun(num), } }