// Copyright 2016 The go-ethereum Authors // This file is part of the go-ethereum library. // // The go-ethereum library is free software: you can redistribute it and/or modify // it under the terms of the GNU Lesser General Public License as published by // the Free Software Foundation, either version 3 of the License, or // (at your option) any later version. // // The go-ethereum library is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // GNU Lesser General Public License for more details. // // You should have received a copy of the GNU Lesser General Public License // along with the go-ethereum library. If not, see . package params import ( "encoding/binary" "fmt" "math/big" "sort" "strconv" "golang.org/x/crypto/sha3" "github.com/ethereum/go-ethereum/common" ) // Genesis hashes to enforce below configs on. var ( MainnetGenesisHash = common.HexToHash("0xd4e56740f876aef8c010b86a40d5f56745a118d0906a34e69aec8c0db1cb8fa3") SepoliaGenesisHash = common.HexToHash("0x25a5cc106eea7138acab33231d7160d69cb777ee0c2c553fcddf5138993e6dd9") RinkebyGenesisHash = common.HexToHash("0x6341fd3daf94b748c72ced5a5b26028f2474f5f00d824504e4fa37a75767e177") GoerliGenesisHash = common.HexToHash("0xbf7e331f7f7c1dd2e05159666b3bf8bc7a8a3a9eb1d518969eab529dd9b88c1a") MumbaiGenesisHash = common.HexToHash("0x7b66506a9ebdbf30d32b43c5f15a3b1216269a1ec3a75aa3182b86176a2b1ca7") BorMainnetGenesisHash = common.HexToHash("0xa9c28ce2141b56c474f1dc504bee9b01eb1bd7d1a507580d5519d4437a97de1b") KilnGenesisHash = common.HexToHash("0x51c7fe41be669f69c45c33a56982cbde405313342d9e2b00d7c91a7b284dd4f8") ) // TrustedCheckpoints associates each known checkpoint with the genesis hash of // the chain it belongs to. var TrustedCheckpoints = map[common.Hash]*TrustedCheckpoint{ MainnetGenesisHash: MainnetTrustedCheckpoint, SepoliaGenesisHash: SepoliaTrustedCheckpoint, RinkebyGenesisHash: RinkebyTrustedCheckpoint, GoerliGenesisHash: GoerliTrustedCheckpoint, } // CheckpointOracles associates each known checkpoint oracles with the genesis hash of // the chain it belongs to. var CheckpointOracles = map[common.Hash]*CheckpointOracleConfig{ MainnetGenesisHash: MainnetCheckpointOracle, RinkebyGenesisHash: RinkebyCheckpointOracle, GoerliGenesisHash: GoerliCheckpointOracle, } func newUint64(val uint64) *uint64 { return &val } var ( MainnetTerminalTotalDifficulty, _ = new(big.Int).SetString("58_750_000_000_000_000_000_000", 0) // MainnetChainConfig is the chain parameters to run a node on the main network. MainnetChainConfig = &ChainConfig{ ChainID: big.NewInt(1), HomesteadBlock: big.NewInt(1_150_000), DAOForkBlock: big.NewInt(1_920_000), DAOForkSupport: true, EIP150Block: big.NewInt(2_463_000), EIP155Block: big.NewInt(2_675_000), EIP158Block: big.NewInt(2_675_000), ByzantiumBlock: big.NewInt(4_370_000), ConstantinopleBlock: big.NewInt(7_280_000), PetersburgBlock: big.NewInt(7_280_000), IstanbulBlock: big.NewInt(9_069_000), MuirGlacierBlock: big.NewInt(9_200_000), BerlinBlock: big.NewInt(12_244_000), LondonBlock: big.NewInt(12_965_000), ArrowGlacierBlock: big.NewInt(13_773_000), GrayGlacierBlock: big.NewInt(15_050_000), TerminalTotalDifficulty: MainnetTerminalTotalDifficulty, // 58_750_000_000_000_000_000_000 TerminalTotalDifficultyPassed: true, Ethash: new(EthashConfig), } // MainnetTrustedCheckpoint contains the light client trusted checkpoint for the main network. MainnetTrustedCheckpoint = &TrustedCheckpoint{ SectionIndex: 506, SectionHead: common.HexToHash("0x3d1a139a6fc7764211236ef7c64d9e8c1fe55b358d7414e25277bac1144486cd"), CHTRoot: common.HexToHash("0xef7fc3321a239a54238593bdf68d82933d903cb533b0d03228a8d958cd35ea77"), BloomRoot: common.HexToHash("0x51d7bfe7c6397b1caa8b1cb046de4aeaf7e7fbd3fb6c726b60bf750de78809e8"), } // MainnetCheckpointOracle contains a set of configs for the main network oracle. MainnetCheckpointOracle = &CheckpointOracleConfig{ Address: common.HexToAddress("0x9a9070028361F7AAbeB3f2F2Dc07F82C4a98A02a"), Signers: []common.Address{ common.HexToAddress("0x1b2C260efc720BE89101890E4Db589b44E950527"), // Peter common.HexToAddress("0x78d1aD571A1A09D60D9BBf25894b44e4C8859595"), // Martin common.HexToAddress("0x286834935f4A8Cfb4FF4C77D5770C2775aE2b0E7"), // Zsolt common.HexToAddress("0xb86e2B0Ab5A4B1373e40c51A7C712c70Ba2f9f8E"), // Gary common.HexToAddress("0x0DF8fa387C602AE62559cC4aFa4972A7045d6707"), // Guillaume }, Threshold: 2, } // SepoliaChainConfig contains the chain parameters to run a node on the Sepolia test network. SepoliaChainConfig = &ChainConfig{ ChainID: big.NewInt(11155111), HomesteadBlock: big.NewInt(0), DAOForkBlock: nil, DAOForkSupport: true, EIP150Block: big.NewInt(0), EIP155Block: big.NewInt(0), EIP158Block: big.NewInt(0), ByzantiumBlock: big.NewInt(0), ConstantinopleBlock: big.NewInt(0), PetersburgBlock: big.NewInt(0), IstanbulBlock: big.NewInt(0), MuirGlacierBlock: big.NewInt(0), BerlinBlock: big.NewInt(0), LondonBlock: big.NewInt(0), TerminalTotalDifficulty: big.NewInt(17_000_000_000_000_000), TerminalTotalDifficultyPassed: true, MergeNetsplitBlock: big.NewInt(1735371), Ethash: new(EthashConfig), } // SepoliaTrustedCheckpoint contains the light client trusted checkpoint for the Sepolia test network. SepoliaTrustedCheckpoint = &TrustedCheckpoint{ SectionIndex: 55, SectionHead: common.HexToHash("0xb70ea113ab4db9d6e015c5b55d486713f60c40bda666121914a71ce3aec53a75"), CHTRoot: common.HexToHash("0x206456d8847b66aaf427ed551f55e24cff90241bdb0a02583c761bf8164f78e4"), BloomRoot: common.HexToHash("0x4369228d59a8fe285fee874c636531091e659b3b1294bb978eb159860a1cede2"), } // RinkebyChainConfig contains the chain parameters to run a node on the Rinkeby test network. RinkebyChainConfig = &ChainConfig{ ChainID: big.NewInt(4), HomesteadBlock: big.NewInt(1), DAOForkBlock: nil, DAOForkSupport: true, EIP150Block: big.NewInt(2), EIP155Block: big.NewInt(3), EIP158Block: big.NewInt(3), ByzantiumBlock: big.NewInt(1_035_301), ConstantinopleBlock: big.NewInt(3_660_663), PetersburgBlock: big.NewInt(4_321_234), IstanbulBlock: big.NewInt(5_435_345), MuirGlacierBlock: nil, BerlinBlock: big.NewInt(8_290_928), LondonBlock: big.NewInt(8_897_988), ArrowGlacierBlock: nil, Clique: &CliqueConfig{ Period: 15, Epoch: 30000, }, } // RinkebyTrustedCheckpoint contains the light client trusted checkpoint for the Rinkeby test network. RinkebyTrustedCheckpoint = &TrustedCheckpoint{ SectionIndex: 373, SectionHead: common.HexToHash("0x09f6d8f0d08d61025ccf4578dc214220b78013841470d445ed86faab4a5a885a"), CHTRoot: common.HexToHash("0xef72902b944a111e9fdfee5fb69a5e46f68bf11a1f0bd430321f92d6b66987df"), BloomRoot: common.HexToHash("0xd0120268729c51dd6fa2714f7f88527adfecbdb08592c671233ad2e0ad7cd835"), } // RinkebyCheckpointOracle contains a set of configs for the Rinkeby test network oracle. RinkebyCheckpointOracle = &CheckpointOracleConfig{ Address: common.HexToAddress("0xebe8eFA441B9302A0d7eaECc277c09d20D684540"), Signers: []common.Address{ common.HexToAddress("0xd9c9cd5f6779558b6e0ed4e6acf6b1947e7fa1f3"), // Peter common.HexToAddress("0x78d1aD571A1A09D60D9BBf25894b44e4C8859595"), // Martin common.HexToAddress("0x286834935f4A8Cfb4FF4C77D5770C2775aE2b0E7"), // Zsolt common.HexToAddress("0xb86e2B0Ab5A4B1373e40c51A7C712c70Ba2f9f8E"), // Gary }, Threshold: 2, } // GoerliChainConfig contains the chain parameters to run a node on the Görli test network. GoerliChainConfig = &ChainConfig{ ChainID: big.NewInt(5), HomesteadBlock: big.NewInt(0), DAOForkBlock: nil, DAOForkSupport: true, EIP150Block: big.NewInt(0), EIP155Block: big.NewInt(0), EIP158Block: big.NewInt(0), ByzantiumBlock: big.NewInt(0), ConstantinopleBlock: big.NewInt(0), PetersburgBlock: big.NewInt(0), IstanbulBlock: big.NewInt(1_561_651), MuirGlacierBlock: nil, BerlinBlock: big.NewInt(4_460_644), LondonBlock: big.NewInt(5_062_605), ArrowGlacierBlock: nil, TerminalTotalDifficulty: big.NewInt(10_790_000), TerminalTotalDifficultyPassed: true, Clique: &CliqueConfig{ Period: 15, Epoch: 30000, }, } // GoerliTrustedCheckpoint contains the light client trusted checkpoint for the Görli test network. GoerliTrustedCheckpoint = &TrustedCheckpoint{ SectionIndex: 229, SectionHead: common.HexToHash("0xc5a7b57cb4af7b3d4cc251ac5f29acaac94e7464365358e7ad26129083b7729a"), CHTRoot: common.HexToHash("0x54c0d5c756d9c48eda26ea13c2a49c2e31f1cb7dfb01514ddc49f3d24272c77e"), BloomRoot: common.HexToHash("0xd681970a496f6187d089f8c8665a3587b5a78212d79b6ceef97c0dabd0188e56"), } // GoerliCheckpointOracle contains a set of configs for the Goerli test network oracle. GoerliCheckpointOracle = &CheckpointOracleConfig{ Address: common.HexToAddress("0x18CA0E045F0D772a851BC7e48357Bcaab0a0795D"), Signers: []common.Address{ common.HexToAddress("0x4769bcaD07e3b938B7f43EB7D278Bc7Cb9efFb38"), // Peter common.HexToAddress("0x78d1aD571A1A09D60D9BBf25894b44e4C8859595"), // Martin common.HexToAddress("0x286834935f4A8Cfb4FF4C77D5770C2775aE2b0E7"), // Zsolt common.HexToAddress("0xb86e2B0Ab5A4B1373e40c51A7C712c70Ba2f9f8E"), // Gary common.HexToAddress("0x0DF8fa387C602AE62559cC4aFa4972A7045d6707"), // Guillaume }, Threshold: 2, } // BorTestChainConfig contains the chain parameters to run a node on the Test network. BorTestChainConfig = &ChainConfig{ ChainID: big.NewInt(80002), HomesteadBlock: big.NewInt(0), DAOForkBlock: nil, DAOForkSupport: true, EIP150Block: big.NewInt(0), EIP155Block: big.NewInt(0), EIP158Block: big.NewInt(0), ByzantiumBlock: big.NewInt(0), ConstantinopleBlock: big.NewInt(0), PetersburgBlock: big.NewInt(0), IstanbulBlock: big.NewInt(0), MuirGlacierBlock: big.NewInt(0), BerlinBlock: big.NewInt(0), LondonBlock: big.NewInt(0), Bor: &BorConfig{ Period: map[string]uint64{ "0": 2, }, ProducerDelay: map[string]uint64{ "0": 6, }, Sprint: map[string]uint64{ "0": 64, }, BackupMultiplier: map[string]uint64{ "0": 2, }, ValidatorContract: "0x0000000000000000000000000000000000001000", StateReceiverContract: "0x0000000000000000000000000000000000001001", BurntContract: map[string]string{ "0": "0x00000000000000000000000000000000000000000", }, }, } BorUnittestChainConfig = &ChainConfig{ ChainID: big.NewInt(80003), HomesteadBlock: big.NewInt(0), DAOForkBlock: nil, DAOForkSupport: true, EIP150Block: big.NewInt(0), EIP155Block: big.NewInt(0), EIP158Block: big.NewInt(0), ByzantiumBlock: big.NewInt(0), ConstantinopleBlock: big.NewInt(0), PetersburgBlock: big.NewInt(0), IstanbulBlock: big.NewInt(0), MuirGlacierBlock: big.NewInt(0), BerlinBlock: big.NewInt(0), LondonBlock: big.NewInt(0), Bor: &BorConfig{ ParallelUniverseBlock: big.NewInt(5), Period: map[string]uint64{ "0": 1, }, ProducerDelay: map[string]uint64{ "0": 3, }, Sprint: map[string]uint64{ "0": 32, }, BackupMultiplier: map[string]uint64{ "0": 2, }, ValidatorContract: "0x0000000000000000000000000000000000001000", StateReceiverContract: "0x0000000000000000000000000000000000001001", BurntContract: map[string]string{ "0": "0x00000000000000000000000000000000000000000", }, }, } // MumbaiChainConfig contains the chain parameters to run a node on the Mumbai test network. MumbaiChainConfig = &ChainConfig{ ChainID: big.NewInt(80001), HomesteadBlock: big.NewInt(0), DAOForkBlock: nil, DAOForkSupport: true, EIP150Block: big.NewInt(0), EIP155Block: big.NewInt(0), EIP158Block: big.NewInt(0), ByzantiumBlock: big.NewInt(0), ConstantinopleBlock: big.NewInt(0), PetersburgBlock: big.NewInt(0), IstanbulBlock: big.NewInt(2722000), MuirGlacierBlock: big.NewInt(2722000), BerlinBlock: big.NewInt(13996000), LondonBlock: big.NewInt(22640000), ShanghaiBlock: big.NewInt(41874000), Bor: &BorConfig{ JaipurBlock: big.NewInt(22770000), DelhiBlock: big.NewInt(29638656), ParallelUniverseBlock: big.NewInt(0), IndoreBlock: big.NewInt(37075456), StateSyncConfirmationDelay: map[string]uint64{ "37075456": 128, }, Period: map[string]uint64{ "0": 2, "25275000": 5, "29638656": 2, }, ProducerDelay: map[string]uint64{ "0": 6, "29638656": 4, }, Sprint: map[string]uint64{ "0": 64, "29638656": 16, }, BackupMultiplier: map[string]uint64{ "0": 2, "25275000": 5, "29638656": 2, }, ValidatorContract: "0x0000000000000000000000000000000000001000", StateReceiverContract: "0x0000000000000000000000000000000000001001", BurntContract: map[string]string{ "22640000": "0x70bcA57F4579f58670aB2d18Ef16e02C17553C38", "41874000": "0x617b94CCCC2511808A3C9478ebb96f455CF167aA", }, BlockAlloc: map[string]interface{}{ // write as interface since that is how it is decoded in genesis "22244000": map[string]interface{}{ "0000000000000000000000000000000000001010": map[string]interface{}{ "balance": "0x0", "code": 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}, }, }, }, } BorMainnetChainConfig = &ChainConfig{ ChainID: big.NewInt(137), HomesteadBlock: big.NewInt(0), DAOForkBlock: nil, DAOForkSupport: true, EIP150Block: big.NewInt(0), EIP155Block: big.NewInt(0), EIP158Block: big.NewInt(0), ByzantiumBlock: big.NewInt(0), ConstantinopleBlock: big.NewInt(0), PetersburgBlock: big.NewInt(0), IstanbulBlock: big.NewInt(3395000), MuirGlacierBlock: big.NewInt(3395000), BerlinBlock: big.NewInt(14750000), LondonBlock: big.NewInt(23850000), Bor: &BorConfig{ JaipurBlock: big.NewInt(23850000), DelhiBlock: big.NewInt(38189056), ParallelUniverseBlock: big.NewInt(0), IndoreBlock: big.NewInt(44934656), StateSyncConfirmationDelay: map[string]uint64{ "44934656": 128, }, Period: map[string]uint64{ "0": 2, }, ProducerDelay: map[string]uint64{ "0": 6, "38189056": 4, }, Sprint: map[string]uint64{ "0": 64, "38189056": 16, }, BackupMultiplier: map[string]uint64{ "0": 2, }, ValidatorContract: "0x0000000000000000000000000000000000001000", StateReceiverContract: "0x0000000000000000000000000000000000001001", OverrideStateSyncRecords: map[string]int{ "14949120": 8, "14949184": 0, "14953472": 0, "14953536": 5, "14953600": 0, "14953664": 0, "14953728": 0, "14953792": 0, "14953856": 0, }, BurntContract: map[string]string{ "23850000": "0x70bca57f4579f58670ab2d18ef16e02c17553c38", }, BlockAlloc: map[string]interface{}{ // write as interface since that is how it is decoded in genesis "22156660": map[string]interface{}{ "0000000000000000000000000000000000001010": map[string]interface{}{ "balance": "0x0", "code": 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}, }, }, }, } // AllEthashProtocolChanges contains every protocol change (EIPs) introduced // and accepted by the Ethereum core developers into the Ethash consensus. AllEthashProtocolChanges = &ChainConfig{ ChainID: big.NewInt(1337), HomesteadBlock: big.NewInt(0), DAOForkBlock: nil, DAOForkSupport: false, EIP150Block: big.NewInt(0), EIP155Block: big.NewInt(0), EIP158Block: big.NewInt(0), ByzantiumBlock: big.NewInt(0), ConstantinopleBlock: big.NewInt(0), PetersburgBlock: big.NewInt(0), IstanbulBlock: big.NewInt(0), MuirGlacierBlock: big.NewInt(0), BerlinBlock: big.NewInt(0), LondonBlock: big.NewInt(0), ArrowGlacierBlock: big.NewInt(0), GrayGlacierBlock: big.NewInt(0), MergeNetsplitBlock: nil, ShanghaiBlock: nil, CancunBlock: nil, PragueBlock: nil, TerminalTotalDifficulty: nil, TerminalTotalDifficultyPassed: false, Ethash: new(EthashConfig), Clique: nil, Bor: &BorConfig{BurntContract: map[string]string{"0": "0x000000000000000000000000000000000000dead"}}, } // AllCliqueProtocolChanges contains every protocol change (EIPs) introduced // and accepted by the Ethereum core developers into the Clique consensus. AllCliqueProtocolChanges = &ChainConfig{ ChainID: big.NewInt(1337), HomesteadBlock: big.NewInt(0), DAOForkBlock: nil, DAOForkSupport: false, EIP150Block: big.NewInt(0), EIP155Block: big.NewInt(0), EIP158Block: big.NewInt(0), ByzantiumBlock: big.NewInt(0), ConstantinopleBlock: big.NewInt(0), PetersburgBlock: big.NewInt(0), IstanbulBlock: big.NewInt(0), MuirGlacierBlock: big.NewInt(0), BerlinBlock: big.NewInt(0), LondonBlock: big.NewInt(0), ArrowGlacierBlock: nil, GrayGlacierBlock: nil, MergeNetsplitBlock: nil, ShanghaiBlock: nil, CancunBlock: nil, PragueBlock: nil, TerminalTotalDifficulty: nil, TerminalTotalDifficultyPassed: false, Ethash: nil, Clique: &CliqueConfig{Period: 0, Epoch: 30000}, Bor: &BorConfig{BurntContract: map[string]string{"0": "0x000000000000000000000000000000000000dead"}}, } // TestChainConfig contains every protocol change (EIPs) introduced // and accepted by the Ethereum core developers for testing proposes. TestChainConfig = &ChainConfig{ ChainID: big.NewInt(1), HomesteadBlock: big.NewInt(0), DAOForkBlock: nil, DAOForkSupport: false, EIP150Block: big.NewInt(0), EIP155Block: big.NewInt(0), EIP158Block: big.NewInt(0), ByzantiumBlock: big.NewInt(0), ConstantinopleBlock: big.NewInt(0), PetersburgBlock: big.NewInt(0), IstanbulBlock: big.NewInt(0), MuirGlacierBlock: big.NewInt(0), BerlinBlock: big.NewInt(0), LondonBlock: big.NewInt(0), ArrowGlacierBlock: big.NewInt(0), GrayGlacierBlock: big.NewInt(0), MergeNetsplitBlock: nil, ShanghaiBlock: nil, CancunBlock: nil, PragueBlock: nil, TerminalTotalDifficulty: nil, TerminalTotalDifficultyPassed: false, Ethash: new(EthashConfig), Clique: nil, Bor: &BorConfig{ Sprint: map[string]uint64{ "0": 4}, BurntContract: map[string]string{"0": "0x000000000000000000000000000000000000dead"}}, } // NonActivatedConfig defines the chain configuration without activating // any protocol change (EIPs). NonActivatedConfig = &ChainConfig{ ChainID: big.NewInt(1), HomesteadBlock: nil, DAOForkBlock: nil, DAOForkSupport: false, EIP150Block: nil, EIP155Block: nil, EIP158Block: nil, ByzantiumBlock: nil, ConstantinopleBlock: nil, PetersburgBlock: nil, IstanbulBlock: nil, MuirGlacierBlock: nil, BerlinBlock: nil, LondonBlock: nil, ArrowGlacierBlock: nil, GrayGlacierBlock: nil, MergeNetsplitBlock: nil, ShanghaiBlock: nil, CancunBlock: nil, PragueBlock: nil, TerminalTotalDifficulty: nil, TerminalTotalDifficultyPassed: false, Ethash: new(EthashConfig), Clique: nil, } TestRules = TestChainConfig.Rules(new(big.Int), false, 0) ) // NetworkNames are user friendly names to use in the chain spec banner. var NetworkNames = map[string]string{ MainnetChainConfig.ChainID.String(): "mainnet", GoerliChainConfig.ChainID.String(): "goerli", SepoliaChainConfig.ChainID.String(): "sepolia", BorMainnetChainConfig.ChainID.String(): "bor", MumbaiChainConfig.ChainID.String(): "mumbai", } // 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 { SectionIndex uint64 `json:"sectionIndex"` SectionHead common.Hash `json:"sectionHead"` CHTRoot common.Hash `json:"chtRoot"` BloomRoot common.Hash `json:"bloomRoot"` } // HashEqual returns an indicator comparing the itself hash with given one. func (c *TrustedCheckpoint) HashEqual(hash common.Hash) bool { if c.Empty() { return hash == common.Hash{} } return c.Hash() == hash } // Hash returns the hash of checkpoint's four key fields(index, sectionHead, chtRoot and bloomTrieRoot). func (c *TrustedCheckpoint) Hash() common.Hash { var sectionIndex [8]byte binary.BigEndian.PutUint64(sectionIndex[:], c.SectionIndex) w := sha3.NewLegacyKeccak256() w.Write(sectionIndex[:]) w.Write(c.SectionHead[:]) w.Write(c.CHTRoot[:]) w.Write(c.BloomRoot[:]) var h common.Hash w.Sum(h[:0]) return h } // Empty returns an indicator whether the checkpoint is regarded as empty. func (c *TrustedCheckpoint) Empty() bool { return c.SectionHead == (common.Hash{}) || c.CHTRoot == (common.Hash{}) || c.BloomRoot == (common.Hash{}) } // CheckpointOracleConfig represents a set of checkpoint contract(which acts as an oracle) // config which used for light client checkpoint syncing. type CheckpointOracleConfig struct { Address common.Address `json:"address"` Signers []common.Address `json:"signers"` Threshold uint64 `json:"threshold"` } // 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 *big.Int `json:"chainId"` // chainId identifies the current chain and is used for replay protection HomesteadBlock *big.Int `json:"homesteadBlock,omitempty"` // Homestead switch block (nil = no fork, 0 = already homestead) DAOForkBlock *big.Int `json:"daoForkBlock,omitempty"` // TheDAO hard-fork switch block (nil = no fork) DAOForkSupport bool `json:"daoForkSupport,omitempty"` // Whether the nodes supports or opposes the DAO hard-fork // EIP150 implements the Gas price changes (https://github.com/ethereum/EIPs/issues/150) EIP150Block *big.Int `json:"eip150Block,omitempty"` // EIP150 HF block (nil = no fork) EIP155Block *big.Int `json:"eip155Block,omitempty"` // EIP155 HF block EIP158Block *big.Int `json:"eip158Block,omitempty"` // EIP158 HF block ByzantiumBlock *big.Int `json:"byzantiumBlock,omitempty"` // Byzantium switch block (nil = no fork, 0 = already on byzantium) ConstantinopleBlock *big.Int `json:"constantinopleBlock,omitempty"` // Constantinople switch block (nil = no fork, 0 = already activated) PetersburgBlock *big.Int `json:"petersburgBlock,omitempty"` // Petersburg switch block (nil = same as Constantinople) IstanbulBlock *big.Int `json:"istanbulBlock,omitempty"` // Istanbul switch block (nil = no fork, 0 = already on istanbul) MuirGlacierBlock *big.Int `json:"muirGlacierBlock,omitempty"` // Eip-2384 (bomb delay) switch block (nil = no fork, 0 = already activated) BerlinBlock *big.Int `json:"berlinBlock,omitempty"` // Berlin switch block (nil = no fork, 0 = already on berlin) LondonBlock *big.Int `json:"londonBlock,omitempty"` // London switch block (nil = no fork, 0 = already on london) 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 // Fork scheduling was switched from blocks to timestamps here // Fork scheduling switched back to blockNumber in Bor 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) PragueBlock *big.Int `json:"pragueBlock,omitempty"` // Prague switch Block (nil = no fork, 0 = already on prague) // TerminalTotalDifficulty is the amount of total difficulty reached by // the network that triggers the consensus upgrade. TerminalTotalDifficulty *big.Int `json:"terminalTotalDifficulty,omitempty"` // TerminalTotalDifficultyPassed is a flag specifying that the network already // passed the terminal total difficulty. Its purpose is to disable legacy sync // even without having seen the TTD locally (safer long term). TerminalTotalDifficultyPassed bool `json:"terminalTotalDifficultyPassed,omitempty"` // Various consensus engines Ethash *EthashConfig `json:"ethash,omitempty"` Clique *CliqueConfig `json:"clique,omitempty"` Bor *BorConfig `json:"bor,omitempty"` } // EthashConfig is the consensus engine configs for proof-of-work based sealing. type EthashConfig struct{} // String implements the stringer interface, returning the consensus engine details. func (c *EthashConfig) String() string { return "ethash" } // CliqueConfig is the consensus engine configs for proof-of-authority based sealing. type CliqueConfig struct { Period uint64 `json:"period"` // Number of seconds between blocks to enforce Epoch uint64 `json:"epoch"` // Epoch length to reset votes and checkpoint } // String implements the stringer interface, returning the consensus engine details. func (c *CliqueConfig) String() string { return "clique" } // BorConfig is the consensus engine configs for Matic bor based sealing. type BorConfig struct { Period map[string]uint64 `json:"period"` // Number of seconds between blocks to enforce ProducerDelay map[string]uint64 `json:"producerDelay"` // Number of seconds delay between two producer interval Sprint map[string]uint64 `json:"sprint"` // Epoch length to proposer BackupMultiplier map[string]uint64 `json:"backupMultiplier"` // Backup multiplier to determine the wiggle time ValidatorContract string `json:"validatorContract"` // Validator set contract StateReceiverContract string `json:"stateReceiverContract"` // State receiver contract OverrideStateSyncRecords map[string]int `json:"overrideStateSyncRecords"` // override state records count BlockAlloc map[string]interface{} `json:"blockAlloc"` BurntContract map[string]string `json:"burntContract"` // governance contract where the token will be sent to and burnt in london fork JaipurBlock *big.Int `json:"jaipurBlock"` // Jaipur switch block (nil = no fork, 0 = already on jaipur) DelhiBlock *big.Int `json:"delhiBlock"` // Delhi switch block (nil = no fork, 0 = already on delhi) ParallelUniverseBlock *big.Int `json:"parallelUniverseBlock"` // TODO: update all occurrence, change name and finalize number (hardfork for block-stm related changes) IndoreBlock *big.Int `json:"indoreBlock"` // Indore switch block (nil = no fork, 0 = already on indore) StateSyncConfirmationDelay map[string]uint64 `json:"stateSyncConfirmationDelay"` // StateSync Confirmation Delay, in seconds, to calculate `to` } // String implements the stringer interface, returning the consensus engine details. func (b *BorConfig) String() string { return "bor" } func (c *BorConfig) CalculateProducerDelay(number uint64) uint64 { return borKeyValueConfigHelper(c.ProducerDelay, number) } func (c *BorConfig) CalculateSprint(number uint64) uint64 { return borKeyValueConfigHelper(c.Sprint, number) } func (c *BorConfig) CalculateBackupMultiplier(number uint64) uint64 { return borKeyValueConfigHelper(c.BackupMultiplier, number) } func (c *BorConfig) CalculatePeriod(number uint64) uint64 { return borKeyValueConfigHelper(c.Period, number) } func (c *BorConfig) IsJaipur(number *big.Int) bool { return isBlockForked(c.JaipurBlock, number) } func (c *BorConfig) IsDelhi(number *big.Int) bool { return isBlockForked(c.DelhiBlock, number) } func (c *BorConfig) IsIndore(number *big.Int) bool { return isBlockForked(c.IndoreBlock, number) } func (c *BorConfig) CalculateStateSyncDelay(number uint64) uint64 { return borKeyValueConfigHelper(c.StateSyncConfirmationDelay, number) } // TODO: modify this function once the block number is finalized func (c *BorConfig) IsParallelUniverse(number *big.Int) bool { if c.ParallelUniverseBlock != nil { if c.ParallelUniverseBlock.Cmp(big.NewInt(0)) == 0 { return false } } return isBlockForked(c.ParallelUniverseBlock, number) } func (c *BorConfig) IsSprintStart(number uint64) bool { return number%c.CalculateSprint(number) == 0 } func borKeyValueConfigHelper[T uint64 | string](field map[string]T, number uint64) T { keys := make([]uint64, 0, len(field)) fieldUint := make(map[uint64]T) for k, v := range field { keyUint, err := strconv.ParseUint(k, 10, 64) if err != nil { panic(err) } keys = append(keys, keyUint) fieldUint[keyUint] = v } sort.Slice(keys, func(i, j int) bool { return keys[i] < keys[j] }) for i := 0; i < len(keys)-1; i++ { if number >= keys[i] && number < keys[i+1] { return fieldUint[keys[i]] } } return fieldUint[keys[len(keys)-1]] } func (c *BorConfig) CalculateBurntContract(number uint64) string { return borKeyValueConfigHelper(c.BurntContract, number) } // Description returns a human-readable description of ChainConfig. func (c *ChainConfig) Description() string { var banner string // Create some basinc network config output network := NetworkNames[c.ChainID.String()] if network == "" { network = "unknown" } banner += fmt.Sprintf("Chain ID: %v (%s)\n", c.ChainID, network) switch { case c.Ethash != nil: if c.TerminalTotalDifficulty == nil { banner += "Consensus: Ethash (proof-of-work)\n" } else if !c.TerminalTotalDifficultyPassed { banner += "Consensus: Beacon (proof-of-stake), merging from Ethash (proof-of-work)\n" } else { banner += "Consensus: Beacon (proof-of-stake), merged from Ethash (proof-of-work)\n" } case c.Clique != nil: if c.TerminalTotalDifficulty == nil { banner += "Consensus: Clique (proof-of-authority)\n" } else if !c.TerminalTotalDifficultyPassed { banner += "Consensus: Beacon (proof-of-stake), merging from Clique (proof-of-authority)\n" } else { banner += "Consensus: Beacon (proof-of-stake), merged from Clique (proof-of-authority)\n" } case c.Bor != nil: banner += "Consensus: Bor (proof-of-stake), merged from Ethash (proof-of-work)\n" default: banner += "Consensus: unknown\n" } banner += "\n" // Create a list of forks with a short description of them. Forks that only // makes sense for mainnet should be optional at printing to avoid bloating // the output for testnets and private networks. banner += "Pre-Merge hard forks (block based):\n" banner += fmt.Sprintf(" - Homestead: #%-8v (https://github.com/ethereum/execution-specs/blob/master/network-upgrades/mainnet-upgrades/homestead.md)\n", c.HomesteadBlock) if c.DAOForkBlock != nil { banner += fmt.Sprintf(" - DAO Fork: #%-8v (https://github.com/ethereum/execution-specs/blob/master/network-upgrades/mainnet-upgrades/dao-fork.md)\n", c.DAOForkBlock) } banner += fmt.Sprintf(" - Tangerine Whistle (EIP 150): #%-8v (https://github.com/ethereum/execution-specs/blob/master/network-upgrades/mainnet-upgrades/tangerine-whistle.md)\n", c.EIP150Block) banner += fmt.Sprintf(" - Spurious Dragon/1 (EIP 155): #%-8v (https://github.com/ethereum/execution-specs/blob/master/network-upgrades/mainnet-upgrades/spurious-dragon.md)\n", c.EIP155Block) banner += fmt.Sprintf(" - Spurious Dragon/2 (EIP 158): #%-8v (https://github.com/ethereum/execution-specs/blob/master/network-upgrades/mainnet-upgrades/spurious-dragon.md)\n", c.EIP155Block) banner += fmt.Sprintf(" - Byzantium: #%-8v (https://github.com/ethereum/execution-specs/blob/master/network-upgrades/mainnet-upgrades/byzantium.md)\n", c.ByzantiumBlock) banner += fmt.Sprintf(" - Constantinople: #%-8v (https://github.com/ethereum/execution-specs/blob/master/network-upgrades/mainnet-upgrades/constantinople.md)\n", c.ConstantinopleBlock) banner += fmt.Sprintf(" - Petersburg: #%-8v (https://github.com/ethereum/execution-specs/blob/master/network-upgrades/mainnet-upgrades/petersburg.md)\n", c.PetersburgBlock) banner += fmt.Sprintf(" - Istanbul: #%-8v (https://github.com/ethereum/execution-specs/blob/master/network-upgrades/mainnet-upgrades/istanbul.md)\n", c.IstanbulBlock) if c.MuirGlacierBlock != nil { banner += fmt.Sprintf(" - Muir Glacier: #%-8v (https://github.com/ethereum/execution-specs/blob/master/network-upgrades/mainnet-upgrades/muir-glacier.md)\n", c.MuirGlacierBlock) } banner += fmt.Sprintf(" - Berlin: #%-8v (https://github.com/ethereum/execution-specs/blob/master/network-upgrades/mainnet-upgrades/berlin.md)\n", c.BerlinBlock) banner += fmt.Sprintf(" - London: #%-8v (https://github.com/ethereum/execution-specs/blob/master/network-upgrades/mainnet-upgrades/london.md)\n", c.LondonBlock) if c.ArrowGlacierBlock != nil { banner += fmt.Sprintf(" - Arrow Glacier: #%-8v (https://github.com/ethereum/execution-specs/blob/master/network-upgrades/mainnet-upgrades/arrow-glacier.md)\n", c.ArrowGlacierBlock) } 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) } banner += "\n" // Add a special section for the merge as it's non-obvious if c.TerminalTotalDifficulty == nil { banner += "The Merge is not yet available for this network!\n" banner += " - Hard-fork specification: https://github.com/ethereum/execution-specs/blob/master/network-upgrades/mainnet-upgrades/paris.md\n" } else { banner += "Merge configured:\n" banner += " - Hard-fork specification: https://github.com/ethereum/execution-specs/blob/master/network-upgrades/mainnet-upgrades/paris.md\n" banner += fmt.Sprintf(" - Network known to be merged: %v\n", c.TerminalTotalDifficultyPassed) banner += fmt.Sprintf(" - Total terminal difficulty: %v\n", c.TerminalTotalDifficulty) if c.MergeNetsplitBlock != nil { banner += fmt.Sprintf(" - Merge netsplit block: #%-8v\n", c.MergeNetsplitBlock) } } banner += "\n" // Create a list of forks post-merge banner += "Post-Merge hard forks (timestamp based):\n" 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) } if c.PragueBlock != nil { banner += fmt.Sprintf(" - Prague: #%-8v\n", c.PragueBlock) } return banner } // IsHomestead returns whether num is either equal to the homestead block or greater. func (c *ChainConfig) IsHomestead(num *big.Int) bool { return isBlockForked(c.HomesteadBlock, num) } // IsDAOFork returns whether num is either equal to the DAO fork block or greater. func (c *ChainConfig) IsDAOFork(num *big.Int) bool { return isBlockForked(c.DAOForkBlock, num) } // IsEIP150 returns whether num is either equal to the EIP150 fork block or greater. func (c *ChainConfig) IsEIP150(num *big.Int) bool { return isBlockForked(c.EIP150Block, num) } // IsEIP155 returns whether num is either equal to the EIP155 fork block or greater. func (c *ChainConfig) IsEIP155(num *big.Int) bool { return isBlockForked(c.EIP155Block, num) } // IsEIP158 returns whether num is either equal to the EIP158 fork block or greater. func (c *ChainConfig) IsEIP158(num *big.Int) bool { return isBlockForked(c.EIP158Block, num) } // IsByzantium returns whether num is either equal to the Byzantium fork block or greater. func (c *ChainConfig) IsByzantium(num *big.Int) bool { return isBlockForked(c.ByzantiumBlock, num) } // IsConstantinople returns whether num is either equal to the Constantinople fork block or greater. func (c *ChainConfig) IsConstantinople(num *big.Int) bool { return isBlockForked(c.ConstantinopleBlock, num) } // IsMuirGlacier returns whether num is either equal to the Muir Glacier (EIP-2384) fork block or greater. func (c *ChainConfig) IsMuirGlacier(num *big.Int) bool { return isBlockForked(c.MuirGlacierBlock, num) } // IsPetersburg returns whether num is either // - equal to or greater than the PetersburgBlock fork block, // - OR is nil, and Constantinople is active func (c *ChainConfig) IsPetersburg(num *big.Int) bool { return isBlockForked(c.PetersburgBlock, num) || c.PetersburgBlock == nil && isBlockForked(c.ConstantinopleBlock, num) } // IsIstanbul returns whether num is either equal to the Istanbul fork block or greater. func (c *ChainConfig) IsIstanbul(num *big.Int) bool { return isBlockForked(c.IstanbulBlock, num) } // IsBerlin returns whether num is either equal to the Berlin fork block or greater. func (c *ChainConfig) IsBerlin(num *big.Int) bool { return isBlockForked(c.BerlinBlock, num) } // IsLondon returns whether num is either equal to the London fork block or greater. func (c *ChainConfig) IsLondon(num *big.Int) bool { return isBlockForked(c.LondonBlock, num) } // IsArrowGlacier returns whether num is either equal to the Arrow Glacier (EIP-4345) fork block or greater. func (c *ChainConfig) IsArrowGlacier(num *big.Int) bool { return isBlockForked(c.ArrowGlacierBlock, num) } // IsGrayGlacier returns whether num is either equal to the Gray Glacier (EIP-5133) fork block or greater. func (c *ChainConfig) IsGrayGlacier(num *big.Int) bool { return isBlockForked(c.GrayGlacierBlock, num) } // IsTerminalPoWBlock returns whether the given block is the last block of PoW stage. func (c *ChainConfig) IsTerminalPoWBlock(parentTotalDiff *big.Int, totalDiff *big.Int) bool { if c.TerminalTotalDifficulty == nil { return false } return parentTotalDiff.Cmp(c.TerminalTotalDifficulty) < 0 && totalDiff.Cmp(c.TerminalTotalDifficulty) >= 0 } // IsShanghai returns whether time is either equal to the Shanghai fork time or greater. func (c *ChainConfig) IsShanghai(num *big.Int) bool { return isBlockForked(c.ShanghaiBlock, num) } // IsCancun returns whether num is either equal to the Cancun fork time or greater. func (c *ChainConfig) IsCancun(num *big.Int) bool { return isBlockForked(c.CancunBlock, num) } // IsPrague returns whether num is either equal to the Prague fork time or greater. func (c *ChainConfig) IsPrague(num *big.Int) bool { return isBlockForked(c.PragueBlock, num) } // CheckCompatible checks whether scheduled fork transitions have been imported // with a mismatching chain configuration. func (c *ChainConfig) CheckCompatible(newcfg *ChainConfig, height uint64, time uint64) *ConfigCompatError { var ( bhead = new(big.Int).SetUint64(height) btime = time ) // Iterate checkCompatible to find the lowest conflict. var lasterr *ConfigCompatError for { err := c.checkCompatible(newcfg, bhead, btime) if err == nil || (lasterr != nil && err.RewindToBlock == lasterr.RewindToBlock && err.RewindToTime == lasterr.RewindToTime) { break } lasterr = err if err.RewindToTime > 0 { btime = err.RewindToTime } else { bhead.SetUint64(err.RewindToBlock) } } return lasterr } // CheckConfigForkOrder checks that we don't "skip" any forks, geth isn't pluggable enough // to guarantee that forks can be implemented in a different order than on official networks func (c *ChainConfig) CheckConfigForkOrder() error { type fork struct { name string block *big.Int // forks up to - and including the merge - were defined with block numbers timestamp *uint64 // forks after the merge are scheduled using timestamps optional bool // if true, the fork may be nil and next fork is still allowed } var lastFork fork for _, cur := range []fork{ {name: "homesteadBlock", block: c.HomesteadBlock}, {name: "daoForkBlock", block: c.DAOForkBlock, optional: true}, {name: "eip150Block", block: c.EIP150Block}, {name: "eip155Block", block: c.EIP155Block}, {name: "eip158Block", block: c.EIP158Block}, {name: "byzantiumBlock", block: c.ByzantiumBlock}, {name: "constantinopleBlock", block: c.ConstantinopleBlock}, {name: "petersburgBlock", block: c.PetersburgBlock}, {name: "istanbulBlock", block: c.IstanbulBlock}, {name: "muirGlacierBlock", block: c.MuirGlacierBlock, optional: true}, {name: "berlinBlock", block: c.BerlinBlock}, {name: "londonBlock", block: c.LondonBlock}, {name: "arrowGlacierBlock", block: c.ArrowGlacierBlock, optional: true}, {name: "grayGlacierBlock", block: c.GrayGlacierBlock, optional: true}, {name: "mergeNetsplitBlock", block: c.MergeNetsplitBlock, optional: true}, {name: "shanghaiTime", block: c.ShanghaiBlock}, {name: "cancunTime", block: c.CancunBlock, optional: true}, {name: "pragueTime", block: c.PragueBlock, optional: true}, } { if lastFork.name != "" { switch { // Non-optional forks must all be present in the chain config up to the last defined fork case lastFork.block == nil && lastFork.timestamp == nil && (cur.block != nil || cur.timestamp != nil): if cur.block != nil { return fmt.Errorf("unsupported fork ordering: %v not enabled, but %v enabled at block %v", lastFork.name, cur.name, cur.block) } else { return fmt.Errorf("unsupported fork ordering: %v not enabled, but %v enabled at timestamp %v", lastFork.name, cur.name, cur.timestamp) } // Fork (whether defined by block or timestamp) must follow the fork definition sequence case (lastFork.block != nil && cur.block != nil) || (lastFork.timestamp != nil && cur.timestamp != nil): if lastFork.block != nil && lastFork.block.Cmp(cur.block) > 0 { return fmt.Errorf("unsupported fork ordering: %v enabled at block %v, but %v enabled at block %v", lastFork.name, lastFork.block, cur.name, cur.block) } else if lastFork.timestamp != nil && *lastFork.timestamp > *cur.timestamp { return fmt.Errorf("unsupported fork ordering: %v enabled at timestamp %v, but %v enabled at timestamp %v", lastFork.name, lastFork.timestamp, cur.name, cur.timestamp) } // Timestamp based forks can follow block based ones, but not the other way around if lastFork.timestamp != nil && cur.block != nil { return fmt.Errorf("unsupported fork ordering: %v used timestamp ordering, but %v reverted to block ordering", lastFork.name, cur.name) } } } // If it was optional and not set, then ignore it if !cur.optional || (cur.block != nil || cur.timestamp != nil) { lastFork = cur } } return nil } func (c *ChainConfig) checkCompatible(newcfg *ChainConfig, headNumber *big.Int, headTimestamp uint64) *ConfigCompatError { if isForkBlockIncompatible(c.HomesteadBlock, newcfg.HomesteadBlock, headNumber) { return newBlockCompatError("Homestead fork block", c.HomesteadBlock, newcfg.HomesteadBlock) } if isForkBlockIncompatible(c.DAOForkBlock, newcfg.DAOForkBlock, headNumber) { return newBlockCompatError("DAO fork block", c.DAOForkBlock, newcfg.DAOForkBlock) } if c.IsDAOFork(headNumber) && c.DAOForkSupport != newcfg.DAOForkSupport { return newBlockCompatError("DAO fork support flag", c.DAOForkBlock, newcfg.DAOForkBlock) } if isForkBlockIncompatible(c.EIP150Block, newcfg.EIP150Block, headNumber) { return newBlockCompatError("EIP150 fork block", c.EIP150Block, newcfg.EIP150Block) } if isForkBlockIncompatible(c.EIP155Block, newcfg.EIP155Block, headNumber) { return newBlockCompatError("EIP155 fork block", c.EIP155Block, newcfg.EIP155Block) } if isForkBlockIncompatible(c.EIP158Block, newcfg.EIP158Block, headNumber) { return newBlockCompatError("EIP158 fork block", c.EIP158Block, newcfg.EIP158Block) } if c.IsEIP158(headNumber) && !configBlockEqual(c.ChainID, newcfg.ChainID) { return newBlockCompatError("EIP158 chain ID", c.EIP158Block, newcfg.EIP158Block) } if isForkBlockIncompatible(c.ByzantiumBlock, newcfg.ByzantiumBlock, headNumber) { return newBlockCompatError("Byzantium fork block", c.ByzantiumBlock, newcfg.ByzantiumBlock) } if isForkBlockIncompatible(c.ConstantinopleBlock, newcfg.ConstantinopleBlock, headNumber) { return newBlockCompatError("Constantinople fork block", c.ConstantinopleBlock, newcfg.ConstantinopleBlock) } if isForkBlockIncompatible(c.PetersburgBlock, newcfg.PetersburgBlock, headNumber) { // the only case where we allow Petersburg to be set in the past is if it is equal to Constantinople // mainly to satisfy fork ordering requirements which state that Petersburg fork be set if Constantinople fork is set if isForkBlockIncompatible(c.ConstantinopleBlock, newcfg.PetersburgBlock, headNumber) { return newBlockCompatError("Petersburg fork block", c.PetersburgBlock, newcfg.PetersburgBlock) } } if isForkBlockIncompatible(c.IstanbulBlock, newcfg.IstanbulBlock, headNumber) { return newBlockCompatError("Istanbul fork block", c.IstanbulBlock, newcfg.IstanbulBlock) } if isForkBlockIncompatible(c.MuirGlacierBlock, newcfg.MuirGlacierBlock, headNumber) { return newBlockCompatError("Muir Glacier fork block", c.MuirGlacierBlock, newcfg.MuirGlacierBlock) } if isForkBlockIncompatible(c.BerlinBlock, newcfg.BerlinBlock, headNumber) { return newBlockCompatError("Berlin fork block", c.BerlinBlock, newcfg.BerlinBlock) } if isForkBlockIncompatible(c.LondonBlock, newcfg.LondonBlock, headNumber) { return newBlockCompatError("London fork block", c.LondonBlock, newcfg.LondonBlock) } if isForkBlockIncompatible(c.ArrowGlacierBlock, newcfg.ArrowGlacierBlock, headNumber) { return newBlockCompatError("Arrow Glacier fork block", c.ArrowGlacierBlock, newcfg.ArrowGlacierBlock) } if isForkBlockIncompatible(c.GrayGlacierBlock, newcfg.GrayGlacierBlock, headNumber) { return newBlockCompatError("Gray Glacier fork block", c.GrayGlacierBlock, newcfg.GrayGlacierBlock) } if isForkBlockIncompatible(c.MergeNetsplitBlock, newcfg.MergeNetsplitBlock, headNumber) { return newBlockCompatError("Merge netsplit fork block", c.MergeNetsplitBlock, newcfg.MergeNetsplitBlock) } if isForkBlockIncompatible(c.ShanghaiBlock, newcfg.ShanghaiBlock, headNumber) { return newBlockCompatError("Shanghai fork block", c.ShanghaiBlock, newcfg.ShanghaiBlock) } if isForkBlockIncompatible(c.CancunBlock, newcfg.CancunBlock, headNumber) { return newBlockCompatError("Cancun fork block", c.CancunBlock, newcfg.CancunBlock) } if isForkBlockIncompatible(c.PragueBlock, newcfg.PragueBlock, headNumber) { return newBlockCompatError("Prague fork block", c.PragueBlock, newcfg.PragueBlock) } return nil } // BaseFeeChangeDenominator bounds the amount the base fee can change between blocks. func (c *ChainConfig) BaseFeeChangeDenominator() uint64 { return DefaultBaseFeeChangeDenominator } // ElasticityMultiplier bounds the maximum gas limit an EIP-1559 block may have. func (c *ChainConfig) ElasticityMultiplier() uint64 { return DefaultElasticityMultiplier } // isForkBlockIncompatible returns true if a fork scheduled at block s1 cannot be // rescheduled to block s2 because head is already past the fork. func isForkBlockIncompatible(s1, s2, head *big.Int) bool { return (isBlockForked(s1, head) || isBlockForked(s2, head)) && !configBlockEqual(s1, s2) } // isBlockForked returns whether a fork scheduled at block s is active at the // given head block. Whilst this method is the same as isTimestampForked, they // are explicitly separate for clearer reading. func isBlockForked(s, head *big.Int) bool { if s == nil || head == nil { return false } return s.Cmp(head) <= 0 } func configBlockEqual(x, y *big.Int) bool { if x == nil { return y == nil } if y == nil { return x == nil } return x.Cmp(y) == 0 } // isForkTimestampIncompatible returns true if a fork scheduled at timestamp s1 // cannot be rescheduled to timestamp s2 because head is already past the fork. func isForkTimestampIncompatible(s1, s2 *uint64, head uint64) bool { return (isTimestampForked(s1, head) || isTimestampForked(s2, head)) && !configTimestampEqual(s1, s2) } // isTimestampForked returns whether a fork scheduled at timestamp s is active // at the given head timestamp. Whilst this method is the same as isBlockForked, // they are explicitly separate for clearer reading. func isTimestampForked(s *uint64, head uint64) bool { if s == nil { return false } return *s <= head } func configTimestampEqual(x, y *uint64) bool { if x == nil { return y == nil } if y == nil { return x == nil } return *x == *y } // ConfigCompatError is raised if the locally-stored blockchain is initialised with a // ChainConfig that would alter the past. type ConfigCompatError struct { What string // block numbers of the stored and new configurations if block based forking StoredBlock, NewBlock *big.Int // timestamps of the stored and new configurations if time based forking StoredTime, NewTime *uint64 // the block number to which the local chain must be rewound to correct the error RewindToBlock uint64 // the timestamp to which the local chain must be rewound to correct the error RewindToTime uint64 } func newBlockCompatError(what string, storedblock, newblock *big.Int) *ConfigCompatError { var rew *big.Int switch { case storedblock == nil: rew = newblock case newblock == nil || storedblock.Cmp(newblock) < 0: rew = storedblock default: rew = newblock } err := &ConfigCompatError{ What: what, StoredBlock: storedblock, NewBlock: newblock, RewindToBlock: 0, } if rew != nil && rew.Sign() > 0 { err.RewindToBlock = rew.Uint64() - 1 } return err } func newTimestampCompatError(what string, storedtime, newtime *uint64) *ConfigCompatError { var rew *uint64 switch { case storedtime == nil: rew = newtime case newtime == nil || *storedtime < *newtime: rew = storedtime default: rew = newtime } err := &ConfigCompatError{ What: what, StoredTime: storedtime, NewTime: newtime, RewindToTime: 0, } if rew != nil { err.RewindToTime = *rew - 1 } return err } func (err *ConfigCompatError) Error() string { if err.StoredBlock != nil { return fmt.Sprintf("mismatching %s in database (have block %d, want block %d, rewindto block %d)", err.What, err.StoredBlock, err.NewBlock, err.RewindToBlock) } return fmt.Sprintf("mismatching %s in database (have timestamp %d, want timestamp %d, rewindto timestamp %d)", err.What, err.StoredTime, err.NewTime, err.RewindToTime) } // 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 IsHomestead, IsEIP150, IsEIP155, IsEIP158 bool IsByzantium, IsConstantinople, IsPetersburg, IsIstanbul bool IsBerlin, IsLondon bool IsMerge, IsShanghai, IsCancun, IsPrague bool } // Rules ensures c's ChainID is not nil. func (c *ChainConfig) Rules(num *big.Int, isMerge bool, timestamp uint64) Rules { chainID := c.ChainID if chainID == nil { chainID = new(big.Int) } return Rules{ ChainID: new(big.Int).Set(chainID), IsHomestead: c.IsHomestead(num), IsEIP150: c.IsEIP150(num), IsEIP155: c.IsEIP155(num), IsEIP158: c.IsEIP158(num), IsByzantium: c.IsByzantium(num), IsConstantinople: c.IsConstantinople(num), IsPetersburg: c.IsPetersburg(num), IsIstanbul: c.IsIstanbul(num), IsBerlin: c.IsBerlin(num), IsLondon: c.IsLondon(num), IsMerge: isMerge, IsShanghai: c.IsShanghai(num), IsCancun: c.IsCancun(num), IsPrague: c.IsPrague(num), } }