params

package
v0.1.5 Latest Latest
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 Go to latest Published: Sep 6, 2023 License: GPL-3.0 Imports: 5 Imported by: 0

Documentation

Index

Constants

View Source 
const (
	ConsensusEngineVersion1 = "v1"
	ConsensusEngineVersion2 = "v2"
	Default                 = 0
)
View Source 
const (
	// These are the multipliers for ether denominations.
	// Example: To get the wei value of an amount in 'douglas', use
	//
	//    new(big.Int).Mul(value, big.NewInt(params.Douglas))
	//
	Wei      = 1
	Ada      = 1e3
	Babbage  = 1e6
	Shannon  = 1e9
	Szabo    = 1e12
	Finney   = 1e15
	Ether    = 1e18
	Einstein = 1e21
	Douglas  = 1e42
)
View Source 
const (
	GasLimitBoundDivisor uint64 = 1024    // The bound divisor of the gas limit, used in update calculations.
	MinGasLimit          uint64 = 5000    // Minimum the gas limit may ever be.
	GenesisGasLimit      uint64 = 4712388 // Gas limit of the Genesis block.
	XDCGenesisGasLimit   uint64 = 84000000

	MaximumExtraDataSize  uint64 = 65    // Maximum size extra data may be after Genesis.
	ExpByteGas            uint64 = 10    // Times ceil(log256(exponent)) for the EXP instruction.
	SloadGas              uint64 = 50    // Multiplied by the number of 32-byte words that are copied (round up) for any *COPY operation and added.
	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.
	SstoreSetGas          uint64 = 20000 // Once per SLOAD operation.
	LogDataGas            uint64 = 8     // Per byte in a LOG* operation's data.
	CallStipend           uint64 = 2300  // Free gas given at beginning of call.

	Sha3Gas          uint64 = 30    // Once per SHA3 operation.
	Sha3WordGas      uint64 = 6     // Once per word of the SHA3 operation's data.
	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.
	JumpdestGas      uint64 = 1     // Refunded gas, once per SSTORE operation if the zeroness changes to zero.
	EpochDuration    uint64 = 30000 // Duration between proof-of-work epochs.
	CallGas          uint64 = 40    // Once per CALL operation & message call transaction.
	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.
	SuicideRefundGas uint64 = 24000 // Refunded following a suicide 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.
	TxDataNonZeroGas 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.

	MaxCodeSize = 24576 // Maximum bytecode to permit for a contract

	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
	ModExpQuadCoeffDiv      uint64 = 20     // Divisor for the quadratic particle of the big int modular exponentiation
	Bn256AddGas             uint64 = 500    // Gas needed for an elliptic curve addition
	Bn256ScalarMulGas       uint64 = 40000  // Gas needed for an elliptic curve scalar multiplication
	Bn256PairingBaseGas     uint64 = 100000 // Base price for an elliptic curve pairing check
	Bn256PairingPerPointGas uint64 = 80000  // Per-point price for an elliptic curve pairing check
	XDCXPriceGas            uint64 = 1
)
View Source 
const (
	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

	SstoreSentryGasEIP2200   uint64 = 2300  // Minimum gas required to be present for an SSTORE call, not consumed
	SstoreNoopGasEIP2200     uint64 = 800   // Once per SSTORE operation if the value doesn't change.
	SstoreDirtyGasEIP2200    uint64 = 800   // Once per SSTORE operation if a dirty value is changed.
	SstoreInitGasEIP2200     uint64 = 20000 // Once per SSTORE operation from clean zero to non-zero
	SstoreInitRefundEIP2200  uint64 = 19200 // Once per SSTORE operation for resetting to the original zero value
	SstoreCleanGasEIP2200    uint64 = 5000  // Once per SSTORE operation from clean non-zero to something else
	SstoreCleanRefundEIP2200 uint64 = 4200  // Once per SSTORE operation for resetting to the original non-zero value
	SstoreClearRefundEIP2200 uint64 = 15000 // Once per SSTORE operation for clearing an originally existing storage slot

	Create2Gas               uint64 = 32000 // Once per CREATE2 operation
	SelfdestructRefundGas    uint64 = 24000 // Refunded following a selfdestruct operation.
	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)

	// 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-derivates 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
	ExpByteEIP158   uint64 = 50 // was raised to 50 during Eip158 (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

	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
)
View Source 
const (
	VersionMajor = 2          // Major version component of the current release
	VersionMinor = 0          // Minor version component of the current release
	VersionPatch = 0          // Patch version component of the current release
	VersionMeta  = "unstable" // Version metadata to append to the version string
)
View Source 
const (
	// BloomBitsBlocks is the number of blocks a single bloom bit section vector
	// contains.
	BloomBitsBlocks uint64 = 4096
)

Variables

View Source 
var (
	XDCMainnetGenesisHash = common.HexToHash("866aade66493d5d09dbb9d40beeaa9ac8dce2dd7cc2019511ac727da139a92ef") // XDC Mainnet genesis hash to enforce below configs on
	MainnetGenesisHash    = common.HexToHash("5fa43fd0cc2caa45b362c8c43c1f14df235f27a62135ca22f75fe17b47b3c5c3") // Mainnet genesis hash to enforce below configs on
	TestnetGenesisHash    = common.HexToHash("5fa43fd0cc2caa45b362c8c43c1f14df235f27a62135ca22f75fe17b47b3c5c3") // Testnet genesis hash to enforce below configs on
	DevnetGenesisHash     = common.HexToHash("ab6fd3cb7d1a489e03250c7d14c2d6d819a6a528d6380b31e8410951964ef423") // Devnet genesis hash to enforce below configs on
)
View Source 
var (
	MainnetV2Configs = map[uint64]*V2Config{
		Default: {
			SwitchRound:          0,
			CertThreshold:        5,
			TimeoutSyncThreshold: 3,
			TimeoutPeriod:        60,
			MinePeriod:           10,
		},
	}

	TestnetV2Configs = map[uint64]*V2Config{
		Default: {
			SwitchRound:          0,
			CertThreshold:        3,
			TimeoutSyncThreshold: 2,
			TimeoutPeriod:        4,
			MinePeriod:           2,
		},
	}

	DevnetV2Configs = map[uint64]*V2Config{
		Default: {
			SwitchRound:          0,
			CertThreshold:        2,
			TimeoutSyncThreshold: 5,
			TimeoutPeriod:        25,
			MinePeriod:           10,
		},
	}

	// XDPoSChain mainnet config
	XDCMainnetChainConfig = &ChainConfig{
		ChainId:        big.NewInt(50),
		HomesteadBlock: big.NewInt(1),
		EIP150Block:    big.NewInt(2),
		EIP150Hash:     common.HexToHash("0x0000000000000000000000000000000000000000000000000000000000000000"),
		EIP155Block:    big.NewInt(3),
		EIP158Block:    big.NewInt(3),
		ByzantiumBlock: big.NewInt(4),
		XDPoS: &XDPoSConfig{
			Period:              2,
			Epoch:               900,
			Reward:              5000,
			RewardCheckpoint:    900,
			Gap:                 450,
			FoudationWalletAddr: common.HexToAddress("xdc92a289fe95a85c53b8d0d113cbaef0c1ec98ac65"),
			V2: &V2{
				SwitchBlock:   common.TIPV2SwitchBlock,
				CurrentConfig: MainnetV2Configs[0],
				AllConfigs:    MainnetV2Configs,
			},
		},
	}

	UnitTestV2Configs = map[uint64]*V2Config{
		Default: {
			SwitchRound:          0,
			CertThreshold:        3,
			TimeoutSyncThreshold: 2,
			TimeoutPeriod:        10,
			MinePeriod:           2,
		},
		10: {
			SwitchRound:          10,
			CertThreshold:        5,
			TimeoutSyncThreshold: 2,
			TimeoutPeriod:        4,
			MinePeriod:           3,
		},
		899: {
			SwitchRound:          899,
			CertThreshold:        3,
			TimeoutSyncThreshold: 4,
			TimeoutPeriod:        5,
			MinePeriod:           2,
		},
		910: {
			SwitchRound:          915,
			CertThreshold:        5,
			TimeoutSyncThreshold: 4,
			TimeoutPeriod:        5,
			MinePeriod:           2,
		},
	}

	// MainnetChainConfig is the chain parameters to run a node on the main network.
	MainnetChainConfig = &ChainConfig{
		ChainId:             big.NewInt(1),
		HomesteadBlock:      big.NewInt(1150000),
		DAOForkBlock:        big.NewInt(1920000),
		DAOForkSupport:      true,
		EIP150Block:         big.NewInt(2463000),
		EIP150Hash:          common.HexToHash("0x2086799aeebeae135c246c65021c82b4e15a2c451340993aacfd2751886514f0"),
		EIP155Block:         big.NewInt(2675000),
		EIP158Block:         big.NewInt(2675000),
		ByzantiumBlock:      big.NewInt(4370000),
		ConstantinopleBlock: nil,
		Ethash:              new(EthashConfig),
	}

	// TestnetChainConfig contains the chain parameters to run a node on the Ropsten test network.
	TestnetChainConfig = &ChainConfig{
		ChainId:             big.NewInt(51),
		HomesteadBlock:      big.NewInt(1),
		DAOForkBlock:        nil,
		DAOForkSupport:      false,
		EIP150Block:         big.NewInt(2),
		EIP150Hash:          common.HexToHash("0x0000000000000000000000000000000000000000000000000000000000000000"),
		EIP155Block:         big.NewInt(3),
		EIP158Block:         big.NewInt(3),
		ByzantiumBlock:      big.NewInt(4),
		ConstantinopleBlock: nil,
		XDPoS: &XDPoSConfig{
			Period:              2,
			Epoch:               900,
			Reward:              5000,
			RewardCheckpoint:    900,
			Gap:                 450,
			FoudationWalletAddr: common.HexToAddress("xdc746249c61f5832c5eed53172776b460491bdcd5c"),
			V2: &V2{
				SwitchBlock:      common.TIPV2SwitchBlock,
				CurrentConfig:    TestnetV2Configs[0],
				AllConfigs:       TestnetV2Configs,
				SkipV2Validation: true,
			},
		},
	}

	// DevnetChainConfig contains the chain parameters to run a node on the Ropsten test network.
	DevnetChainConfig = &ChainConfig{
		ChainId:        big.NewInt(551),
		HomesteadBlock: big.NewInt(1),
		EIP150Block:    big.NewInt(2),
		EIP150Hash:     common.HexToHash("0x0000000000000000000000000000000000000000000000000000000000000000"),
		EIP155Block:    big.NewInt(3),
		EIP158Block:    big.NewInt(3),
		ByzantiumBlock: big.NewInt(4),
		XDPoS: &XDPoSConfig{
			Period:              2,
			Epoch:               900,
			Reward:              5000,
			RewardCheckpoint:    900,
			Gap:                 450,
			FoudationWalletAddr: common.HexToAddress("0x746249c61f5832c5eed53172776b460491bdcd5c"),
			V2: &V2{
				SwitchBlock:   common.TIPV2SwitchBlock,
				CurrentConfig: DevnetV2Configs[0],
				AllConfigs:    DevnetV2Configs,
			},
		},
	}

	// AllEthashProtocolChanges contains every protocol change (EIPs) introduced
	// and accepted by the Ethereum core developers into the Ethash consensus.
	//
	// This configuration is intentionally not using keyed fields to force anyone
	// adding flags to the config to also have to set these fields.
	AllEthashProtocolChanges = &ChainConfig{big.NewInt(1337), big.NewInt(0), nil, false, big.NewInt(0), common.Hash{}, big.NewInt(0), big.NewInt(0), big.NewInt(0), nil, new(EthashConfig), nil, nil}

	// AllXDPoSProtocolChanges contains every protocol change (EIPs) introduced
	// and accepted by the Ethereum core developers into the XDPoS consensus.
	//
	// This configuration is intentionally not using keyed fields to force anyone
	// adding flags to the config to also have to set these fields.
	AllXDPoSProtocolChanges  = &ChainConfig{big.NewInt(89), big.NewInt(0), nil, false, big.NewInt(0), common.Hash{}, big.NewInt(0), big.NewInt(0), big.NewInt(0), nil, nil, nil, &XDPoSConfig{Period: 0, Epoch: 30000}}
	AllCliqueProtocolChanges = &ChainConfig{big.NewInt(1337), big.NewInt(0), nil, false, big.NewInt(0), common.Hash{}, big.NewInt(0), big.NewInt(0), big.NewInt(0), nil, nil, &CliqueConfig{Period: 0, Epoch: 30000}, nil}

	// XDPoS config with v2 engine after block 0
	TestXDPoSMockChainConfig = &ChainConfig{
		big.NewInt(1337),
		big.NewInt(0),
		nil,
		false,
		big.NewInt(0),
		common.Hash{},
		big.NewInt(0),
		big.NewInt(0),
		big.NewInt(0),
		nil,
		new(EthashConfig),
		nil,
		&XDPoSConfig{
			Epoch:               900,
			Gap:                 450,
			SkipV1Validation:    true,
			FoudationWalletAddr: common.HexToAddress("0x0000000000000000000000000000000000000068"),
			Reward:              250,
			V2: &V2{
				SwitchBlock:      big.NewInt(0),
				CurrentConfig:    UnitTestV2Configs[0],
				AllConfigs:       UnitTestV2Configs,
				SkipV2Validation: true,
			},
			Denom:       "xdc",
			NetworkName: "xdc-subnet",
		},
	}

	TestChainConfig = &ChainConfig{big.NewInt(1), big.NewInt(0), nil, false, big.NewInt(0), common.Hash{}, big.NewInt(0), big.NewInt(0), big.NewInt(0), nil, new(EthashConfig), nil, nil}
	TestRules       = TestChainConfig.Rules(new(big.Int))
)
View Source 
var (
	// GasTableHomestead contain the gas prices for
	// the homestead phase.
	GasTableHomestead = GasTable{
		ExtcodeSize: 20,
		ExtcodeCopy: 20,
		Balance:     20,
		SLoad:       50,
		Calls:       40,
		Suicide:     0,
		ExpByte:     10,
	}

	// GasTableHomestead contain the gas re-prices for
	// the homestead phase.
	GasTableEIP150 = GasTable{
		ExtcodeSize: 700,
		ExtcodeCopy: 700,
		Balance:     400,
		SLoad:       200,
		Calls:       700,
		Suicide:     5000,
		ExpByte:     10,

		CreateBySuicide: 25000,
	}

	GasTableEIP158 = GasTable{
		ExtcodeSize: 700,
		ExtcodeCopy: 700,
		Balance:     400,
		SLoad:       200,
		Calls:       700,
		Suicide:     5000,
		ExpByte:     50,

		CreateBySuicide: 25000,
	}
)
View Source 
var (
	DifficultyBoundDivisor = big.NewInt(2048)   // The bound divisor of the difficulty, used in the update calculations.
	GenesisDifficulty      = big.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.
)
View Source 
var DAOForkBlockExtra = common.FromHex("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").

View Source 
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.

View Source 
var DAORefundContract = common.HexToAddress("0xbf4ed7b27f1d666546e30d74d50d173d20bca754")

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

View Source 
var DiscoveryV5Bootnodes = []string{
	"enode://06051a5573c81934c9554ef2898eb13b33a34b94cf36b202b69fde139ca17a85051979867720d4bdae4323d4943ddf9aeeb6643633aa656e0be843659795007a@35.177.226.168:30303",
	"enode://0cc5f5ffb5d9098c8b8c62325f3797f56509bff942704687b6530992ac706e2cb946b90a34f1f19548cd3c7baccbcaea354531e5983c7d1bc0dee16ce4b6440b@40.118.3.223:30304",
	"enode://1c7a64d76c0334b0418c004af2f67c50e36a3be60b5e4790bdac0439d21603469a85fad36f2473c9a80eb043ae60936df905fa28f1ff614c3e5dc34f15dcd2dc@40.118.3.223:30306",
	"enode://85c85d7143ae8bb96924f2b54f1b3e70d8c4d367af305325d30a61385a432f247d2c75c45c6b4a60335060d072d7f5b35dd1d4c45f76941f62a4f83b6e75daaf@40.118.3.223:30307",
}

DiscoveryV5Bootnodes are the enode URLs of the P2P bootstrap nodes for the experimental RLPx v5 topic-discovery network.

View Source 
var MainnetBootnodes = []string{

	"enode://fd3da177f9492a39d1e7ce036b05745512894df251399cb3ec565081cb8c6dfa1092af8fac27991e66b6af47e9cb42e02420cc89f8549de0ce513ee25ebffc3a@3.212.20.0:30303",
	"enode://97f0ca95a653e3c44d5df2674e19e9324ea4bf4d47a46b1d8560f3ed4ea328f725acec3fcfcb37eb11706cf07da669e9688b091f1543f89b2425700a68bc8876@104.248.98.78:30301",
	"enode://b72927f349f3a27b789d0ca615ffe3526f361665b496c80e7cc19dace78bd94785fdadc270054ab727dbb172d9e3113694600dd31b2558dd77ad85a869032dea@188.166.207.189:30301",
	"enode://c8f2f0643527d4efffb8cb10ef9b6da4310c5ac9f2e988a7f85363e81d42f1793f64a9aa127dbaff56b1e8011f90fe9ff57fa02a36f73220da5ff81d8b8df351@104.248.98.60:30301",
}

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

View Source 
var (
	TargetGasLimit uint64 = XDCGenesisGasLimit // The artificial target
)
View Source 
var TestnetBootnodes = []string{

	"enode://4d3c2cc0ce7135c1778c6f1cfda623ab44b4b6db55289543d48ecfde7d7111fd420c42174a9f2fea511a04cf6eac4ec69b4456bfaaae0e5bd236107d3172b013@52.221.28.223:30301",
	"enode://298780104303fcdb37a84c5702ebd9ec660971629f68a933fd91f7350c54eea0e294b0857f1fd2e8dba2869fcc36b83e6de553c386cf4ff26f19672955d9f312@13.251.101.216:30301",
	"enode://46dba3a8721c589bede3c134d755eb1a38ae7c5a4c69249b8317c55adc8d46a369f98b06514ecec4b4ff150712085176818d18f59a9e6311a52dbe68cff5b2ae@13.250.94.232:30301",
}

TestnetBootnodes are the enode URLs of the P2P bootstrap nodes running on the Ropsten test network.

View Source 
var Version = func() string {
	v := fmt.Sprintf("%d.%d.%d", VersionMajor, VersionMinor, VersionPatch)
	if VersionMeta != "" {
		v += "-" + VersionMeta
	}
	return v
}()

Version holds the textual version string.

Functions

func DAODrainList 

func DAODrainList() []common.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 VersionWithCommit 

func VersionWithCommit(gitCommit string) string

Types

type ChainConfig 

type ChainConfig struct {
	ChainId *big.Int `json:"chainId"` // Chain id 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)
	EIP150Hash  common.Hash `json:"eip150Hash,omitempty"`  // EIP150 HF hash (needed for header only clients as only gas pricing changed)

	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)

	// Various consensus engines
	Ethash *EthashConfig `json:"ethash,omitempty"`
	Clique *CliqueConfig `json:"clique,omitempty"`
	XDPoS  *XDPoSConfig  `json:"XDPoS,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 (*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) GasTable 

func (c *ChainConfig) GasTable(num *big.Int) GasTable

GasTable returns the gas table corresponding to the current phase (homestead or homestead reprice).

The returned GasTable's fields shouldn't, under any circumstances, be changed.

func (*ChainConfig) IsByzantium 

func (c *ChainConfig) IsByzantium(num *big.Int) bool

func (*ChainConfig) IsConstantinople 

func (c *ChainConfig) IsConstantinople(num *big.Int) bool

func (*ChainConfig) IsDAOFork 

func (c *ChainConfig) IsDAOFork(num *big.Int) bool

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

func (*ChainConfig) IsEIP150 

func (c *ChainConfig) IsEIP150(num *big.Int) bool

func (*ChainConfig) IsEIP155 

func (c *ChainConfig) IsEIP155(num *big.Int) bool

func (*ChainConfig) IsEIP158 

func (c *ChainConfig) IsEIP158(num *big.Int) bool

func (*ChainConfig) IsHomestead 

func (c *ChainConfig) IsHomestead(num *big.Int) bool

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

func (*ChainConfig) IsIstanbul 

func (c *ChainConfig) IsIstanbul(num *big.Int) bool

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

func (*ChainConfig) IsPetersburg 

func (c *ChainConfig) IsPetersburg(num *big.Int) 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) IsTIP2019 

func (c *ChainConfig) IsTIP2019(num *big.Int) bool

func (*ChainConfig) IsTIPNoHalvingMNReward 

func (c *ChainConfig) IsTIPNoHalvingMNReward(num *big.Int) bool

func (*ChainConfig) IsTIPRandomize 

func (c *ChainConfig) IsTIPRandomize(num *big.Int) bool

func (*ChainConfig) IsTIPSigning 

func (c *ChainConfig) IsTIPSigning(num *big.Int) bool

func (*ChainConfig) IsTIPXDCX 

func (c *ChainConfig) IsTIPXDCX(num *big.Int) bool

func (*ChainConfig) IsTIPXDCXCancellationFee 

func (c *ChainConfig) IsTIPXDCXCancellationFee(num *big.Int) bool

func (*ChainConfig) IsTIPXDCXLending 

func (c *ChainConfig) IsTIPXDCXLending(num *big.Int) bool

func (*ChainConfig) Rules 

func (c *ChainConfig) Rules(num *big.Int) Rules

func (*ChainConfig) String 

func (c *ChainConfig) String() string

String implements the fmt.Stringer interface.

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 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 GasTable 

type GasTable struct {
	ExtcodeSize uint64
	ExtcodeCopy uint64
	Balance     uint64
	SLoad       uint64
	Calls       uint64
	Suicide     uint64

	ExpByte uint64

	// CreateBySuicide occurs when the
	// refunded account is one that does
	// not exist. This logic is similar
	// to call. May be left nil. Nil means
	// not charged.
	CreateBySuicide uint64
}

type Rules 

type Rules struct {
	ChainId                                                 *big.Int
	IsHomestead, IsEIP150, IsEIP155, IsEIP158               bool
	IsByzantium, IsConstantinople, IsPetersburg, IsIstanbul bool
}

Rules wraps ChainConfig and is merely syntatic 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 V2 

type V2 struct {
	SwitchBlock   *big.Int             `json:"switchBlock"`
	CurrentConfig *V2Config            `json:"config"`
	AllConfigs    map[uint64]*V2Config `json:"allConfigs"`

	SkipV2Validation bool //Skip Block Validation for testing purpose, V2 consensus only
	// contains filtered or unexported fields
}

func (*V2) BuildConfigIndex 

func (v *V2) BuildConfigIndex()

func (*V2) Config 

func (v *V2) Config(round uint64) *V2Config

func (*V2) ConfigIndex 

func (v *V2) ConfigIndex() []uint64

func (*V2) UpdateConfig 

func (v *V2) UpdateConfig(round uint64)

type V2Config 

type V2Config struct {
	SwitchRound          uint64 `json:"switchRound"`          // v1 to v2 switch block number
	MinePeriod           int    `json:"minePeriod"`           // Miner mine period to mine a block
	TimeoutSyncThreshold int    `json:"timeoutSyncThreshold"` // send syncInfo after number of timeout
	TimeoutPeriod        int    `json:"timeoutPeriod"`        // Duration in ms
	CertThreshold        int    `json:"certificateThreshold"` // Necessary number of messages from master nodes to form a certificate
}

type XDPoSConfig 

type XDPoSConfig struct {
	NetworkName         string         `json:"networkName"`         // The chain network name
	Denom               string         `json:"denom"`               // The denomination of the chain currency
	Period              uint64         `json:"period"`              // Number of seconds between blocks to enforce
	Epoch               uint64         `json:"epoch"`               // Epoch length to reset votes and checkpoint
	Reward              uint64         `json:"reward"`              // Block reward - unit Ether
	RewardCheckpoint    uint64         `json:"rewardCheckpoint"`    // Checkpoint block for calculate rewards.
	Gap                 uint64         `json:"gap"`                 // Gap time preparing for the next epoch
	FoudationWalletAddr common.Address `json:"foudationWalletAddr"` // Foundation Address Wallet
	SkipV1Validation    bool           //Skip Block Validation for testing purpose, V1 consensus only
	V2                  *V2            `json:"v2"`
}

XDPoSConfig is the consensus engine configs for delegated-proof-of-stake based sealing.

func (*XDPoSConfig) String 

func (c *XDPoSConfig) String() string

Source Files

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