params

package
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Published: Oct 17, 2023 License: GPL-3.0 Imports: 16 Imported by: 1

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Index

Constants

View Source
const (
	Wei  = 1
	GWei = 1e9
	AMT  = 1e18
)

These are the multipliers for ether denominations. Example: To get the wei value of an amount in 'gwei', use

new(big.Int).Mul(value, big.NewInt(params.GWei))
View Source
const (
	// BloomBitsBlocks is the number of blocks a single bloom bit section vector
	// contains on the server side.
	BloomBitsBlocks uint64 = 4096

	// BloomBitsBlocksClient is the number of blocks a single bloom bit section vector
	// contains on the light client side
	BloomBitsBlocksClient uint64 = 32768

	// BloomConfirms is the number of confirmation blocks before a bloom section is
	// considered probably final and its rotated bits are calculated.
	BloomConfirms = 256

	// CHTFrequency is the block frequency for creating CHTs
	CHTFrequency = 32768

	// BloomTrieFrequency is the block frequency for creating BloomTrie on both
	// server/client sides.
	BloomTrieFrequency = 32768

	// HelperTrieConfirmations is the number of confirmations before a client is expected
	// to have the given HelperTrie available.
	HelperTrieConfirmations = 2048

	// HelperTrieProcessConfirmations is the number of confirmations before a HelperTrie
	// is generated
	HelperTrieProcessConfirmations = 256

	// CheckpointFrequency is the block frequency for creating checkpoint
	CheckpointFrequency = 32768

	// CheckpointProcessConfirmations is the number before a checkpoint is generated
	CheckpointProcessConfirmations = 256

	// FullImmutabilityThreshold is the number of blocks after which a chain segment is
	// considered immutable (i.e. soft finality). It is used by the downloader as a
	// hard limit against deep ancestors, by the blockchain against deep reorgs, by
	// the freezer as the cutoff threshold and by clique as the snapshot trust limit.
	FullImmutabilityThreshold = 90000
)
View Source
const (
	MinGasLimit     uint64 = 5000               // Minimum the gas limit may ever be.
	MaxGasLimit     uint64 = 0x7fffffffffffffff // Maximum the gas limit may ever be.
	GenesisGasLimit uint64 = 4712388            // Gas limit of the Genesis block.

	MaximumExtraDataSize  uint64 = 32    // Maximum size extra data may be after Genesis.
	CallValueTransferGas  uint64 = 9000  // Paid for CALL when the value transfer is non-zero.
	CallNewAccountGas     uint64 = 25000 // Paid for CALL when the destination address didn't exist prior.
	TxGas                 uint64 = 21000 // Per transaction not creating a contract. NOTE: Not payable on data of calls between transactions.
	TxGasContractCreation uint64 = 53000 // Per transaction that creates a contract. NOTE: Not payable on data of calls between transactions.
	TxDataZeroGas         uint64 = 4     // Per byte of data attached to a transaction that equals zero. NOTE: Not payable on data of calls between transactions.
	QuadCoeffDiv          uint64 = 512   // Divisor for the quadratic particle of the memory cost equation.
	LogDataGas            uint64 = 8     // Per byte in a LOG* operation's data.
	CallStipend           uint64 = 2300  // Free gas given at beginning of call.

	SstoreSetGas    uint64 = 20000 // Once per SLOAD operation.
	SstoreResetGas  uint64 = 5000  // Once per SSTORE operation if the zeroness changes from zero.
	SstoreClearGas  uint64 = 5000  // Once per SSTORE operation if the zeroness doesn't change.
	SstoreRefundGas uint64 = 15000 // Once per SSTORE operation if the zeroness changes to zero.

	NetSstoreNoopGas  uint64 = 200   // Once per SSTORE operation if the value doesn't change.
	NetSstoreInitGas  uint64 = 20000 // Once per SSTORE operation from clean zero.
	NetSstoreCleanGas uint64 = 5000  // Once per SSTORE operation from clean non-zero.
	NetSstoreDirtyGas uint64 = 200   // Once per SSTORE operation from dirty.

	NetSstoreClearRefund      uint64 = 15000 // Once per SSTORE operation for clearing an originally existing storage slot
	NetSstoreResetRefund      uint64 = 4800  // Once per SSTORE operation for resetting to the original non-zero value
	NetSstoreResetClearRefund uint64 = 19800 // Once per SSTORE operation for resetting to the original zero value

	Keccak256Gas     uint64 = 30 // Once per KECCAK256 operation.
	Keccak256WordGas uint64 = 6  // Once per word of the KECCAK256 operation's data.
	InitCodeWordGas  uint64 = 2  // Once per word of the init code when creating a contract.

	SstoreSentryGasEIP2200            uint64 = 2300  // Minimum gas required to be present for an SSTORE call, not consumed
	SstoreSetGasEIP2200               uint64 = 20000 // Once per SSTORE operation from clean zero to non-zero
	SstoreResetGasEIP2200             uint64 = 5000  // Once per SSTORE operation from clean non-zero to something else
	SstoreClearsScheduleRefundEIP2200 uint64 = 15000 // Once per SSTORE operation for clearing an originally existing storage slot

	ColdAccountAccessCostEIP2929 = uint64(2600) // COLD_ACCOUNT_ACCESS_COST
	ColdSloadCostEIP2929         = uint64(2100) // COLD_SLOAD_COST
	WarmStorageReadCostEIP2929   = uint64(100)  // WARM_STORAGE_READ_COST

	// In EIP-2200: SstoreResetGas was 5000.
	// In EIP-2929: SstoreResetGas was changed to '5000 - COLD_SLOAD_COST'.
	// In EIP-3529: SSTORE_CLEARS_SCHEDULE is defined as SSTORE_RESET_GAS + ACCESS_LIST_STORAGE_KEY_COST
	// Which becomes: 5000 - 2100 + 1900 = 4800
	SstoreClearsScheduleRefundEIP3529 = SstoreResetGasEIP2200 - ColdSloadCostEIP2929 + TxAccessListStorageKeyGas

	JumpdestGas   uint64 = 1     // Once per JUMPDEST operation.
	EpochDuration uint64 = 30000 // Duration between proof-of-work epochs.

	CreateDataGas         uint64 = 200   //
	CallCreateDepth       uint64 = 1024  // Maximum depth of call/create stack.
	ExpGas                uint64 = 10    // Once per EXP instruction
	LogGas                uint64 = 375   // Per LOG* operation.
	CopyGas               uint64 = 3     //
	StackLimit            uint64 = 1024  // Maximum size of VM stack allowed.
	TierStepGas           uint64 = 0     // Once per operation, for a selection of them.
	LogTopicGas           uint64 = 375   // Multiplied by the * of the LOG*, per LOG transaction. e.g. LOG0 incurs 0 * c_txLogTopicGas, LOG4 incurs 4 * c_txLogTopicGas.
	CreateGas             uint64 = 32000 // Once per CREATE operation & contract-creation transaction.
	Create2Gas            uint64 = 32000 // Once per CREATE2 operation
	SelfdestructRefundGas uint64 = 24000 // Refunded following a selfdestruct operation.
	MemoryGas             uint64 = 3     // Times the address of the (highest referenced byte in memory + 1). NOTE: referencing happens on read, write and in instructions such as RETURN and CALL.

	TxDataNonZeroGasFrontier  uint64 = 68   // Per byte of data attached to a transaction that is not equal to zero. NOTE: Not payable on data of calls between transactions.
	TxDataNonZeroGasEIP2028   uint64 = 16   // Per byte of non zero data attached to a transaction after EIP 2028 (part in Istanbul)
	TxAccessListAddressGas    uint64 = 2400 // Per address specified in EIP 2930 access list
	TxAccessListStorageKeyGas uint64 = 1900 // Per storage key specified in EIP 2930 access list

	// These have been changed during the course of the chain
	CallGasFrontier              uint64 = 40  // Once per CALL operation & message call transaction.
	CallGasEIP150                uint64 = 700 // Static portion of gas for CALL-derivatives after EIP 150 (Tangerine)
	BalanceGasFrontier           uint64 = 20  // The cost of a BALANCE operation
	BalanceGasEIP150             uint64 = 400 // The cost of a BALANCE operation after Tangerine
	BalanceGasEIP1884            uint64 = 700 // The cost of a BALANCE operation after EIP 1884 (part of Istanbul)
	ExtcodeSizeGasFrontier       uint64 = 20  // Cost of EXTCODESIZE before EIP 150 (Tangerine)
	ExtcodeSizeGasEIP150         uint64 = 700 // Cost of EXTCODESIZE after EIP 150 (Tangerine)
	SloadGasFrontier             uint64 = 50
	SloadGasEIP150               uint64 = 200
	SloadGasEIP1884              uint64 = 800  // Cost of SLOAD after EIP 1884 (part of Istanbul)
	SloadGasEIP2200              uint64 = 800  // Cost of SLOAD after EIP 2200 (part of Istanbul)
	ExtcodeHashGasConstantinople uint64 = 400  // Cost of EXTCODEHASH (introduced in Constantinople)
	ExtcodeHashGasEIP1884        uint64 = 700  // Cost of EXTCODEHASH after EIP 1884 (part in Istanbul)
	SelfdestructGasEIP150        uint64 = 5000 // Cost of SELFDESTRUCT post EIP 150 (Tangerine)

	// EXP has a dynamic portion depending on the size of the exponent
	ExpByteFrontier uint64 = 10 // was set to 10 in Frontier
	ExpByteEIP160   uint64 = 50 // was raised to 50 during EIP 160 (Spurious Dragon)

	// Extcodecopy has a dynamic AND a static cost. This represents only the
	// static portion of the gas. It was changed during EIP 150 (Tangerine)
	ExtcodeCopyBaseFrontier uint64 = 20
	ExtcodeCopyBaseEIP150   uint64 = 700

	// CreateBySelfdestructGas is used when the refunded account is one that does
	// not exist. This logic is similar to call.
	// Introduced in Tangerine Whistle (Eip 150)
	CreateBySelfdestructGas uint64 = 25000

	BaseFeeChangeDenominator          = 8          // Bounds the amount the base fee can change between blocks.
	BaseFeeChangeDenominatorPostDelhi = 16         // Bounds the amount the base fee can change between blocks post delhi hard fork for polygon networks.
	ElasticityMultiplier              = 2          // Bounds the maximum gas limit an EIP-1559 block may have.
	InitialBaseFee                    = 1000000000 // Initial base fee for EIP-1559 blocks.

	MaxCodeSize     = 24576           // Maximum bytecode to permit for a contract
	MaxInitCodeSize = 2 * MaxCodeSize // Maximum initcode to permit in a creation transaction and create instructions

	TendermintHeaderValidateGas uint64 = 3000 // Gas for validate tendermiint consensus state
	IAVLMerkleProofValidateGas  uint64 = 3000 // Gas for validate merkle proof

	EcrecoverGas        uint64 = 3000 // Elliptic curve sender recovery gas price
	Sha256BaseGas       uint64 = 60   // Base price for a SHA256 operation
	Sha256PerWordGas    uint64 = 12   // Per-word price for a SHA256 operation
	Ripemd160BaseGas    uint64 = 600  // Base price for a RIPEMD160 operation
	Ripemd160PerWordGas uint64 = 120  // Per-word price for a RIPEMD160 operation
	IdentityBaseGas     uint64 = 15   // Base price for a data copy operation
	IdentityPerWordGas  uint64 = 3    // Per-work price for a data copy operation

	Bn256AddGasByzantium             uint64 = 500    // Byzantium gas needed for an elliptic curve addition
	Bn256AddGasIstanbul              uint64 = 150    // Gas needed for an elliptic curve addition
	Bn256ScalarMulGasByzantium       uint64 = 40000  // Byzantium gas needed for an elliptic curve scalar multiplication
	Bn256ScalarMulGasIstanbul        uint64 = 6000   // Gas needed for an elliptic curve scalar multiplication
	Bn256PairingBaseGasByzantium     uint64 = 100000 // Byzantium base price for an elliptic curve pairing check
	Bn256PairingBaseGasIstanbul      uint64 = 45000  // Base price for an elliptic curve pairing check
	Bn256PairingPerPointGasByzantium uint64 = 80000  // Byzantium per-point price for an elliptic curve pairing check
	Bn256PairingPerPointGasIstanbul  uint64 = 34000  // Per-point price for an elliptic curve pairing check

	Bls12381G1AddGas          uint64 = 600    // Price for BLS12-381 elliptic curve G1 point addition
	Bls12381G1MulGas          uint64 = 12000  // Price for BLS12-381 elliptic curve G1 point scalar multiplication
	Bls12381G2AddGas          uint64 = 4500   // Price for BLS12-381 elliptic curve G2 point addition
	Bls12381G2MulGas          uint64 = 55000  // Price for BLS12-381 elliptic curve G2 point scalar multiplication
	Bls12381PairingBaseGas    uint64 = 115000 // Base gas price for BLS12-381 elliptic curve pairing check
	Bls12381PairingPerPairGas uint64 = 23000  // Per-point pair gas price for BLS12-381 elliptic curve pairing check
	Bls12381MapG1Gas          uint64 = 5500   // Gas price for BLS12-381 mapping field element to G1 operation
	Bls12381MapG2Gas          uint64 = 110000 // Gas price for BLS12-381 mapping field element to G2 operation

	// The Refund Quotient is the cap on how much of the used gas can be refunded. Before EIP-3529,
	// up to half the consumed gas could be refunded. Redefined as 1/5th in EIP-3529
	RefundQuotient        uint64 = 2
	RefundQuotientEIP3529 uint64 = 5
)
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const (
	VersionMajor       = 1     // Major version component of the current release
	VersionMinor       = 0     // Minor version component of the current release
	VersionMicro       = 0     // Patch version component of the current release
	VersionModifier    = "dev" // Modifier component of the current release
	VersionKeyCreated  = "AmcVersionCreated"
	VersionKeyFinished = "AmcVersionFinished"
)

see https://calver.org

Variables

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var (
	MainnetGenesisHash    = types.HexToHash("0xd4e56740f876aef8c010b86a40d5f56745a118d0906a34e69aec8c0db1cb8fa3")
	SepoliaGenesisHash    = types.HexToHash("0x25a5cc106eea7138acab33231d7160d69cb777ee0c2c553fcddf5138993e6dd9")
	RopstenGenesisHash    = types.HexToHash("0x41941023680923e0fe4d74a34bdac8141f2540e3ae90623718e47d66d1ca4a2d")
	RinkebyGenesisHash    = types.HexToHash("0x6341fd3daf94b748c72ced5a5b26028f2474f5f00d824504e4fa37a75767e177")
	GoerliGenesisHash     = types.HexToHash("0xbf7e331f7f7c1dd2e05159666b3bf8bc7a8a3a9eb1d518969eab529dd9b88c1a")
	SokolGenesisHash      = types.HexToHash("0x5b28c1bfd3a15230c9a46b399cd0f9a6920d432e85381cc6a140b06e8410112f")
	FermionGenesisHash    = types.HexToHash("0x0658360d8680ead416900a552b67b84e6d575c7f0ecab3dbe42406f9f8c34c35")
	BSCGenesisHash        = types.HexToHash("0x0d21840abff46b96c84b2ac9e10e4f5cdaeb5693cb665db62a2f3b02d2d57b5b")
	ChapelGenesisHash     = types.HexToHash("0x6d3c66c5357ec91d5c43af47e234a939b22557cbb552dc45bebbceeed90fbe34")
	RialtoGenesisHash     = types.HexToHash("0xee835a629f9cf5510b48b6ba41d69e0ff7d6ef10f977166ef939db41f59f5501")
	MumbaiGenesisHash     = types.HexToHash("0x7b66506a9ebdbf30d32b43c5f15a3b1216269a1ec3a75aa3182b86176a2b1ca7")
	BorMainnetGenesisHash = types.HexToHash("0xa9c28ce2141b56c474f1dc504bee9b01eb1bd7d1a507580d5519d4437a97de1b")
	BorDevnetGenesisHash  = types.HexToHash("0x5a06b25b0c6530708ea0b98a3409290e39dce6be7f558493aeb6e4b99a172a87")
	GnosisGenesisHash     = types.HexToHash("0x4f1dd23188aab3a76b463e4af801b52b1248ef073c648cbdc4c9333d3da79756")
)

Genesis hashes to enforce below configs on.

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var (
	SokolGenesisStateRoot   = types.HexToHash("0xfad4af258fd11939fae0c6c6eec9d340b1caac0b0196fd9a1bc3f489c5bf00b3")
	FermionGenesisStateRoot = types.HexToHash("0x08982dc16236c51b6d9aff8b76cd0faa7067eb55eba62395d5a82649d8fb73c4")
	GnosisGenesisStateRoot  = types.HexToHash("0x40cf4430ecaa733787d1a65154a3b9efb560c95d9e324a23b97f0609b539133b")
)
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var (
	// MainnetChainConfig is the chain parameters to run a node on the main network.
	MainnetChainConfig = readChainSpec("chainspecs/mainnet.json")

	// SepoliaChainConfig contains the chain parameters to run a node on the Sepolia test network.
	SepoliaChainConfig = readChainSpec("chainspecs/sepolia.json")

	// RopstenChainConfig contains the chain parameters to run a node on the Ropsten test network.
	RopstenChainConfig = readChainSpec("chainspecs/ropsten.json")

	// RinkebyChainConfig contains the chain parameters to run a node on the Rinkeby test network.
	RinkebyChainConfig = readChainSpec("chainspecs/rinkeby.json")

	// GoerliChainConfig contains the chain parameters to run a node on the Görli test network.
	GoerliChainConfig = readChainSpec("chainspecs/goerli.json")

	BSCChainConfig = readChainSpec("chainspecs/bsc.json")

	ChapelChainConfig = readChainSpec("chainspecs/chapel.json")

	RialtoChainConfig = readChainSpec("chainspecs/rialto.json")

	SokolChainConfig = readChainSpec("chainspecs/sokol.json")

	FermionChainConfig = readChainSpec("chainspecs/fermion.json")

	// AllEthashProtocolChanges contains every protocol change (EIPs) introduced
	// and accepted by the Ethereum core developers into the Ethash consensus.
	AllEthashProtocolChanges = &ChainConfig{
		ChainID:               big.NewInt(1337),
		Consensus:             EtHashConsensus,
		HomesteadBlock:        big.NewInt(0),
		DAOForkBlock:          nil,
		DAOForkSupport:        false,
		TangerineWhistleBlock: big.NewInt(0),
		TangerineWhistleHash:  types.Hash{},
		SpuriousDragonBlock:   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),
		Ethash:                new(EthashConfig),
		Clique:                nil,
	}

	// AllCliqueProtocolChanges contains every protocol change (EIPs) introduced
	// and accepted by the Ethereum core developers into the Clique consensus.
	AllCliqueProtocolChanges = &ChainConfig{
		ChainID:               big.NewInt(1337),
		Consensus:             CliqueConsensus,
		HomesteadBlock:        big.NewInt(0),
		DAOForkBlock:          nil,
		DAOForkSupport:        false,
		TangerineWhistleBlock: big.NewInt(0),
		TangerineWhistleHash:  types.Hash{},
		SpuriousDragonBlock:   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,
		Ethash:                nil,
		Clique:                &CliqueConfig{Period: 0, Epoch: 30000},
	}

	MumbaiChainConfig = readChainSpec("chainspecs/mumbai.json")

	BorMainnetChainConfig = readChainSpec("chainspecs/bor-mainnet.json")

	BorDevnetChainConfig = readChainSpec("chainspecs/bor-devnet.json")

	GnosisChainConfig = readChainSpec("chainspecs/gnosis.json")

	CliqueSnapshot = NewSnapshotConfig(10, 1024, 16384, true, "")

	TestChainConfig = &ChainConfig{
		ChainID:               big.NewInt(1),
		Consensus:             EtHashConsensus,
		HomesteadBlock:        big.NewInt(0),
		DAOForkBlock:          nil,
		DAOForkSupport:        false,
		TangerineWhistleBlock: big.NewInt(0),
		TangerineWhistleHash:  types.Hash{},
		SpuriousDragonBlock:   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:           nil,
		ArrowGlacierBlock:     nil,
		Ethash:                new(EthashConfig),
		Clique:                nil,
	}

	TestChainAuraConfig = &ChainConfig{
		ChainID:               big.NewInt(1),
		Consensus:             AuRaConsensus,
		HomesteadBlock:        big.NewInt(0),
		DAOForkBlock:          nil,
		DAOForkSupport:        false,
		TangerineWhistleBlock: big.NewInt(0),
		TangerineWhistleHash:  types.Hash{},
		SpuriousDragonBlock:   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:           nil,
		ArrowGlacierBlock:     nil,
		Aura:                  &AuRaConfig{},
	}

	TestRules = TestChainConfig.Rules(0)

	AmazeChainConfig = &ChainConfig{
		ChainID:               big.NewInt(100100100),
		HomesteadBlock:        big.NewInt(0),
		DAOForkBlock:          nil,
		DAOForkSupport:        false,
		TangerineWhistleBlock: big.NewInt(0),
		TangerineWhistleHash:  types.Hash{},
		SpuriousDragonBlock:   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),
		BeijingBlock:          big.NewInt(10000),
	}

	// AmazeChainTrustedCheckpoint contains the light client trusted checkpoint for the main network.
	AmazeChainTrustedCheckpoint = &TrustedCheckpoint{
		SectionIndex: 413,
		SectionHead:  types.HexToHash("0x8aa8e64ceadcdc5f23bc41d2acb7295a261a5cf680bb00a34f0e01af08200083"),
		CHTRoot:      types.HexToHash("0x008af584d385a2610706c5a439d39f15ddd4b691c5d42603f65ae576f703f477"),
		BloomRoot:    types.HexToHash("0x5a081af71a588f4d90bced242545b08904ad4fb92f7effff2ceb6e50e6dec157"),
	}
	// AmazeChainCheckpointOracle contains a set of configs for the main network oracle.
	AmazeChainCheckpointOracle = &CheckpointOracleConfig{
		Address: types.HexToAddress("0x9a9070028361F7AAbeB3f2F2Dc07F82C4a98A02a"),
		Signers: []types.Address{
			types.HexToAddress("0x1b2C260efc720BE89101890E4Db589b44E950527"),
			types.HexToAddress("0x78d1aD571A1A09D60D9BBf25894b44e4C8859595"),
			types.HexToAddress("0x286834935f4A8Cfb4FF4C77D5770C2775aE2b0E7"),
			types.HexToAddress("0xb86e2B0Ab5A4B1373e40c51A7C712c70Ba2f9f8E"),
			types.HexToAddress("0x0DF8fa387C602AE62559cC4aFa4972A7045d6707"),
		},
		Threshold: 2,
	}
)
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var (
	DifficultyBoundDivisor = big.NewInt(2048)       // The bound divisor of the difficulty, used in the update calculations.
	GenesisDifficulty      = uint256.NewInt(131072) // Difficulty of the Genesis block.
	MinimumDifficulty      = big.NewInt(131072)     // The minimum that the difficulty may ever be.
	DurationLimit          = big.NewInt(13)         // The decision boundary on the blocktime duration used to determine whether difficulty should go up or not.
)
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var (
	// Following vars are injected through the build flags (see Makefile)
	GitCommit string
	GitBranch string
	GitTag    string
)
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var Bls12381MultiExpDiscountTable = [128]uint64{} /* 128 elements not displayed */

Gas discount table for BLS12-381 G1 and G2 multi exponentiation operations

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var DAOForkBlockExtra = types.FromHex1("0x64616f2d686172642d666f726b")

DAOForkBlockExtra is the block header extra-data field to set for the DAO fork point and a number of consecutive blocks to allow fast/light syncers to correctly pick the side they want ("dao-hard-fork").

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var DAOForkExtraRange = big.NewInt(10)

DAOForkExtraRange is the number of consecutive blocks from the DAO fork point to override the extra-data in to prevent no-fork attacks.

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var DAORefundContract = types.HexToAddress("0xbf4ed7b27f1d666546e30d74d50d173d20bca754")

DAORefundContract is the address of the refund contract to send DAO balances to.

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var (
	GasLimitBoundDivisor uint64 = 1024 // The bound divisor of the gas limit, used in update calculations.
)

GasLimitBoundDivisor it can be changed by BSC

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var MainnetBootnodes = []string{

	"enr:-JG4QDY9EdRvdnU2Pzf46fC5XLwTvJgoAMmyPUOOw44KQ8frJsiXQb6L-i0S2hlIvVirz6ihkw4IjPZp5NLbehor596GAYnxxVXsgmlkgnY0gmlwhBKqbE6Jc2VjcDI1NmsxoQIX6BYmB9BHfiWcXOO7Z4lAQDcR3WrjXzhS4Xj9Y387coN0Y3CCJ2aDdWRwgidl",
}

MainnetBootnodes are the enode URLs of the P2P bootstrap nodes running on the main AmazeChain network.

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var NetworkNames = map[string]string{
	"100100100": "localnet",
	"94":        "mainnet",
	"131":       "testnet",
}

NetworkNames are user friendly names to use in the chain spec banner.

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var (
	SokolGenesisEpochProof = types.FromHex2Bytes("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)
View Source
var Version = func() string {
	return fmt.Sprintf("%d.%02d.%d", VersionMajor, VersionMinor, VersionMicro)
}()

Version holds the textual version string.

View Source
var VersionWithMeta = func() string {
	v := Version
	if VersionModifier != "" {
		v += "-" + VersionModifier
	}
	return v
}()

VersionWithMeta holds the textual version string including the metadata.

Functions

func ApplyBinanceSmartChainParams

func ApplyBinanceSmartChainParams()

func ArchiveVersion

func ArchiveVersion(gitCommit string) string

ArchiveVersion holds the textual version string used for Geth archives. e.g. "1.8.11-dea1ce05" for stable releases, or

"1.8.13-unstable-21c059b6" for unstable releases

func DAODrainList

func DAODrainList() []types.Address

DAODrainList is the list of accounts whose full balances will be moved into a refund contract at the beginning of the dao-fork block.

func GenesisHashByChainName

func GenesisHashByChainName(chain string) *types.Hash

func NetworkIDByChainName

func NetworkIDByChainName(chain string) uint64

func SetAmcVersion

func SetAmcVersion(tx kv.RwTx, versionKey string) error

func VersionWithCommit

func VersionWithCommit(gitCommit, gitDate string) string

Types

type AuRaConfig

type AuRaConfig struct {
	DBPath    string
	InMemory  bool
	Etherbase common.Address // same as miner etherbase
}

AuRaConfig is the consensus engine configs for proof-of-authority based sealing.

func (*AuRaConfig) String

func (c *AuRaConfig) String() string

String implements the stringer interface, returning the consensus engine details.

type BorConfig

type BorConfig struct {
	Period                map[string]uint64 `json:"period"`                // Number of seconds between blocks to enforce
	ProducerDelay         uint64            `json:"producerDelay"`         // Number of seconds delay between two producer interval
	Sprint                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"`
	JaipurBlock              uint64                 `json:"jaipurBlock"` // Jaipur switch block (nil = no fork, 0 = already on jaipur)
}

BorConfig is the consensus engine configs for Matic bor based sealing.

func (*BorConfig) CalculateBackupMultiplier

func (c *BorConfig) CalculateBackupMultiplier(number uint64) uint64

func (*BorConfig) CalculatePeriod

func (c *BorConfig) CalculatePeriod(number uint64) uint64

func (*BorConfig) IsJaipur

func (c *BorConfig) IsJaipur(number uint64) bool

func (*BorConfig) String

func (b *BorConfig) String() string

String implements the stringer interface, returning the consensus engine details.

type ChainConfig

type ChainConfig struct {
	ChainName string
	ChainID   *big.Int `json:"chainId"` // chainId identifies the current chain and is used for replay protection

	Consensus ConsensusType `json:"consensus,omitempty"` // aura, ethash or clique

	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

	// Tangerine Whistle (EIP150) implements the Gas price changes (https://github.com/ethereum/EIPs/issues/150)
	TangerineWhistleBlock *big.Int   `json:"eip150Block,omitempty"` // EIP150 HF block (nil = no fork)
	TangerineWhistleHash  types.Hash `json:"eip150Hash,omitempty"`  // EIP150 HF hash (needed for header only clients as only gas pricing changed)

	SpuriousDragonBlock *big.Int `json:"eip155Block,omitempty"` // Spurious Dragon 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)

	// EIP-3675: Upgrade consensus to Proof-of-Stake
	TerminalTotalDifficulty       *big.Int `json:"terminalTotalDifficulty,omitempty"`       // The merge happens when terminal total difficulty is reached
	TerminalTotalDifficultyPassed bool     `json:"terminalTotalDifficultyPassed,omitempty"` // Disable PoW sync for networks that have already passed through the Merge
	MergeNetsplitBlock            *big.Int `json:"mergeNetsplitBlock,omitempty"`            // Virtual fork after The Merge to use as a network splitter; see FORK_NEXT_VALUE in EIP-3675

	ShanghaiBlock    *big.Int `json:"shanghaiBlock,omitempty"` // Shanghai switch block (nil = no fork, 0 = already activated)
	CancunBlock      *big.Int `json:"cancunTime,omitempty"`
	ShardingForkTime *big.Int `json:"shardingForkTime,omitempty"`
	PragueTime       *big.Int `json:"pragueTime,omitempty"`

	// Parlia fork blocks
	//RamanujanBlock  *big.Int    `json:"ramanujanBlock,omitempty" toml:",omitempty"`  // ramanujanBlock switch block (nil = no fork, 0 = already activated)
	//NielsBlock      *big.Int    `json:"nielsBlock,omitempty" toml:",omitempty"`      // nielsBlock switch block (nil = no fork, 0 = already activated)
	//MirrorSyncBlock *big.Int    `json:"mirrorSyncBlock,omitempty" toml:",omitempty"` // mirrorSyncBlock switch block (nil = no fork, 0 = already activated)
	//BrunoBlock      *big.Int    `json:"brunoBlock,omitempty" toml:",omitempty"`      // brunoBlock switch block (nil = no fork, 0 = already activated)
	//EulerBlock      *big.Int    `json:"eulerBlock,omitempty" toml:",omitempty"`      // eulerBlock switch block (nil = no fork, 0 = already activated)
	//GibbsBlock      *big.Int    `json:"gibbsBlock,omitempty" toml:",omitempty"`      // gibbsBlock switch block (nil = no fork, 0 = already activated)
	NanoBlock    *big.Int `json:"nanoBlock,omitempty" toml:",omitempty"`    // nanoBlock switch block (nil = no fork, 0 = already activated)
	MoranBlock   *big.Int `json:"moranBlock,omitempty" toml:",omitempty"`   // moranBlock switch block (nil = no fork, 0 = already activated)
	BeijingBlock *big.Int `json:"beijingBlock,omitempty" toml:",omitempty"` // beijingBlock switch block (nil = no fork, 0 = already activated)

	// Gnosis Chain fork blocks
	//PosdaoBlock *big.Int `json:"posdaoBlock,omitempty"`
	//
	Eip1559FeeCollector           *types.Address `json:"eip1559FeeCollector,omitempty"`           // (Optional) Address where burnt EIP-1559 fees go to
	Eip1559FeeCollectorTransition *big.Int       `json:"eip1559FeeCollectorTransition,omitempty"` // (Optional) Block from which burnt EIP-1559 fees go to the Eip1559FeeCollector

	// Various consensus engines
	Ethash *EthashConfig `json:"ethash,omitempty"`
	Clique *CliqueConfig `json:"clique,omitempty"`
	Aura   *AuRaConfig   `json:"aura,omitempty"`
	Parlia *ParliaConfig `json:"parlia,omitempty" toml:",omitempty"`
	Bor    *BorConfig    `json:"bor,omitempty"`
}

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.

func ChainConfigByChainName

func ChainConfigByChainName(chain string) *ChainConfig

func ChainConfigByGenesisHash

func ChainConfigByGenesisHash(genesisHash types.Hash) *ChainConfig

func (*ChainConfig) CheckCompatible

func (c *ChainConfig) CheckCompatible(newcfg *ChainConfig, height uint64) *ConfigCompatError

CheckCompatible checks whether scheduled fork transitions have been imported with a mismatching chain configuration.

func (*ChainConfig) CheckConfigForkOrder

func (c *ChainConfig) CheckConfigForkOrder() error

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 (*ChainConfig) Description

func (c *ChainConfig) Description() string

Description returns a human-readable description of ChainConfig.

func (*ChainConfig) IsArrowGlacier

func (c *ChainConfig) IsArrowGlacier(num uint64) bool

IsArrowGlacier returns whether num is either equal to the Arrow Glacier (EIP-4345) fork block or greater.

func (*ChainConfig) IsBeijing

func (c *ChainConfig) IsBeijing(num uint64) bool

IsBeijing returns whether num is either equal to the IsBeijing fork block or greater.

func (*ChainConfig) IsBerlin

func (c *ChainConfig) IsBerlin(num uint64) bool

IsBerlin returns whether num is either equal to the Berlin fork block or greater.

func (*ChainConfig) IsByzantium

func (c *ChainConfig) IsByzantium(num uint64) bool

IsByzantium returns whether num is either equal to the Byzantium fork block or greater.

func (*ChainConfig) IsCancun

func (c *ChainConfig) IsCancun(num uint64) bool

IsCancun returns whether num is either equal to the Cancun fork block or greater.

func (*ChainConfig) IsConstantinople

func (c *ChainConfig) IsConstantinople(num uint64) bool

IsConstantinople returns whether num is either equal to the Constantinople fork block or greater.

func (*ChainConfig) IsDAOFork

func (c *ChainConfig) IsDAOFork(num uint64) bool

IsDAOFork returns whether num is either equal to the DAO fork block or greater.

func (*ChainConfig) IsEip1559FeeCollector

func (c *ChainConfig) IsEip1559FeeCollector(num uint64) bool

func (*ChainConfig) IsGrayGlacier

func (c *ChainConfig) IsGrayGlacier(num uint64) bool

IsGrayGlacier returns whether num is either equal to the Gray Glacier (EIP-5133) fork block or greater.

func (*ChainConfig) IsHeaderWithSeal

func (c *ChainConfig) IsHeaderWithSeal() bool

func (*ChainConfig) IsHomestead

func (c *ChainConfig) IsHomestead(num uint64) bool

IsHomestead returns whether num is either equal to the homestead block or greater.

func (*ChainConfig) IsIstanbul

func (c *ChainConfig) IsIstanbul(num uint64) bool

IsIstanbul returns whether num is either equal to the Istanbul fork block or greater.

func (*ChainConfig) IsLondon

func (c *ChainConfig) IsLondon(num uint64) bool

IsLondon returns whether num is either equal to the London fork block or greater.

func (*ChainConfig) IsMoran

func (c *ChainConfig) IsMoran(num uint64) bool

// IsRamanujan returns whether num is either equal to the IsRamanujan fork block or greater.

func (c *ChainConfig) IsRamanujan(num uint64) bool {
	return isForked(c.RamanujanBlock, num)
}

// IsOnRamanujan returns whether num is equal to the Ramanujan fork block

func (c *ChainConfig) IsOnRamanujan(num *big.Int) bool {
	return configNumEqual(c.RamanujanBlock, num)
}

// IsNiels returns whether num is either equal to the Niels fork block or greater.

func (c *ChainConfig) IsNiels(num uint64) bool {
	return isForked(c.NielsBlock, num)
}

// IsOnNiels returns whether num is equal to the IsNiels fork block

func (c *ChainConfig) IsOnNiels(num *big.Int) bool {
	return configNumEqual(c.NielsBlock, num)
}

// IsMirrorSync returns whether num is either equal to the MirrorSync fork block or greater.

func (c *ChainConfig) IsMirrorSync(num uint64) bool {
	return isForked(c.MirrorSyncBlock, num)
}

// IsOnMirrorSync returns whether num is equal to the MirrorSync fork block

func (c *ChainConfig) IsOnMirrorSync(num *big.Int) bool {
	return configNumEqual(c.MirrorSyncBlock, num)
}

// IsBruno returns whether num is either equal to the Burn fork block or greater.

func (c *ChainConfig) IsBruno(num uint64) bool {
	return isForked(c.BrunoBlock, num)
}

// IsOnBruno returns whether num is equal to the Burn fork block

func (c *ChainConfig) IsOnBruno(num *big.Int) bool {
	return configNumEqual(c.BrunoBlock, num)
}

// IsEuler returns whether num is either equal to the euler fork block or greater.

func (c *ChainConfig) IsEuler(num *big.Int) bool {
	return isForked(c.EulerBlock, num.Uint64())
}

func (c *ChainConfig) IsOnEuler(num *big.Int) bool {
	return configNumEqual(c.EulerBlock, num)
}

// IsGibbs returns whether num is either equal to the euler fork block or greater.

func (c *ChainConfig) IsGibbs(num *big.Int) bool {
	return isForked(c.GibbsBlock, num.Uint64())
}

func (c *ChainConfig) IsOnGibbs(num *big.Int) bool {
	return configNumEqual(c.GibbsBlock, num)
}

func (*ChainConfig) IsMuirGlacier

func (c *ChainConfig) IsMuirGlacier(num uint64) bool

IsMuirGlacier returns whether num is either equal to the Muir Glacier (EIP-2384) fork block or greater.

func (*ChainConfig) IsNano

func (c *ChainConfig) IsNano(num uint64) bool
func (c *ChainConfig) IsOnMoran(num *big.Int) bool {
	return configNumEqual(c.MoranBlock, num)
}

IsNano returns whether num is either equal to the euler fork block or greater.

func (*ChainConfig) IsPetersburg

func (c *ChainConfig) IsPetersburg(num uint64) bool

IsPetersburg returns whether num is either - equal to or greater than the PetersburgBlock fork block, - OR is nil, and Constantinople is active

func (*ChainConfig) IsPrague

func (c *ChainConfig) IsPrague(time uint64) bool

IsPrague returns whether time is either equal to the Prague fork time or greater.

func (*ChainConfig) IsShanghai

func (c *ChainConfig) IsShanghai(num uint64) bool

IsShanghai returns whether num is either equal to the Shanghai fork block or greater.

func (*ChainConfig) IsSpuriousDragon

func (c *ChainConfig) IsSpuriousDragon(num uint64) bool

IsSpuriousDragon returns whether num is either equal to the Spurious Dragon fork block or greater.

func (*ChainConfig) IsTangerineWhistle

func (c *ChainConfig) IsTangerineWhistle(num uint64) bool

IsTangerineWhistle returns whether num is either equal to the Tangerine Whistle (EIP150) fork block or greater.

func (*ChainConfig) Rules

func (c *ChainConfig) Rules(num uint64) *Rules

Rules ensures c's ChainID is not nil.

func (*ChainConfig) String

func (c *ChainConfig) String() string

String implements the fmt.Stringer interface.

type CheckpointOracleConfig

type CheckpointOracleConfig struct {
	Address   types.Address   `json:"address"`
	Signers   []types.Address `json:"signers"`
	Threshold uint64          `json:"threshold"`
}

CheckpointOracleConfig represents a set of checkpoint contract(which acts as an oracle) blockchain which used for light client checkpoint syncing.

type CliqueConfig

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
}

CliqueConfig is the consensus engine configs for proof-of-authority based sealing.

func (*CliqueConfig) String

func (c *CliqueConfig) String() string

String implements the stringer interface, returning the consensus engine details.

type ConfigCompatError

type ConfigCompatError struct {
	What string
	// block numbers of the stored and new configurations
	StoredConfig, NewConfig *big.Int
	// the block number to which the local chain must be rewound to correct the error
	RewindTo uint64
}

ConfigCompatError is raised if the locally-stored blockchain is initialised with a ChainConfig that would alter the past.

func (*ConfigCompatError) Error

func (err *ConfigCompatError) Error() string

type ConsensusSnapshotConfig

type ConsensusSnapshotConfig struct {
	CheckpointInterval uint64 // Number of blocks after which to save the vote snapshot to the database
	InmemorySnapshots  int    // Number of recent vote snapshots to keep in memory
	InmemorySignatures int    // Number of recent block signatures to keep in memory
	DBPath             string
	InMemory           bool
}

func NewSnapshotConfig

func NewSnapshotConfig(checkpointInterval uint64, inmemorySnapshots int, inmemorySignatures int, inmemory bool, dbPath string) *ConsensusSnapshotConfig

type ConsensusType

type ConsensusType string
const (
	AuRaConsensus   ConsensusType = "aura"
	EtHashConsensus ConsensusType = "ethash"
	CliqueConsensus ConsensusType = "clique"
	ParliaConsensus ConsensusType = "parlia"
	BorConsensus    ConsensusType = "bor"
	Faker           ConsensusType = "faker" // faker consensus
)

type EthashConfig

type EthashConfig struct{}

EthashConfig is the consensus engine configs for proof-of-work based sealing.

func (*EthashConfig) String

func (c *EthashConfig) String() string

String implements the stringer interface, returning the consensus engine details.

type ParliaConfig

type ParliaConfig struct {
	DBPath   string
	InMemory bool
	Period   uint64 `json:"period"` // Number of seconds between blocks to enforce
	Epoch    uint64 `json:"epoch"`  // Epoch length to update validatorSet
}

func (*ParliaConfig) String

func (b *ParliaConfig) String() string

String implements the stringer interface, returning the consensus engine details.

type Rules

type Rules struct {
	ChainID                                                 *big.Int
	IsHomestead, IsTangerineWhistle, IsSpuriousDragon       bool
	IsByzantium, IsConstantinople, IsPetersburg, IsIstanbul bool
	IsBerlin, IsLondon, IsShanghai, IsCancun, IsPrague      bool
	IsNano, IsMoran                                         bool
	IsEip1559FeeCollector                                   bool
	IsParlia, IsStarknet, IsAura, IsBeijing                 bool
}

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 TrustedCheckpoint

type TrustedCheckpoint struct {
	SectionIndex uint64     `json:"sectionIndex"`
	SectionHead  types.Hash `json:"sectionHead"`
	CHTRoot      types.Hash `json:"chtRoot"`
	BloomRoot    types.Hash `json:"bloomRoot"`
}

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.

func (*TrustedCheckpoint) Empty

func (c *TrustedCheckpoint) Empty() bool

Empty returns an indicator whether the checkpoint is regarded as empty.

func (*TrustedCheckpoint) Hash

func (c *TrustedCheckpoint) Hash() types.Hash

Hash returns the hash of checkpoint's four key fields(index, sectionHead, chtRoot and bloomTrieRoot).

func (*TrustedCheckpoint) HashEqual

func (c *TrustedCheckpoint) HashEqual(hash types.Hash) bool

HashEqual returns an indicator comparing the itself hash with given one.

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