params

Documentation

Index

• Constants
• Variables
• func DAODrainList() []common.Address
• func VersionWithCommit(gitCommit string) string
• type ChainConfig
  • func (c *ChainConfig) CheckCompatible(newcfg *ChainConfig, height uint64) *ConfigCompatError
  • func (c *ChainConfig) GasTable(num *big.Int) GasTable
  • func (c *ChainConfig) IsByzantium(num *big.Int) bool
  • func (c *ChainConfig) IsConstantinople(num *big.Int) bool
  • func (c *ChainConfig) IsDAOFork(num *big.Int) bool
  • func (c *ChainConfig) IsEIP150(num *big.Int) bool
  • func (c *ChainConfig) IsEIP155(num *big.Int) bool
  • func (c *ChainConfig) IsEIP158(num *big.Int) bool
  • func (c *ChainConfig) IsHomestead(num *big.Int) bool
  • func (c *ChainConfig) Rules(num *big.Int) Rules
  • func (c *ChainConfig) String() string
• type CliqueConfig
  • func (c *CliqueConfig) String() string
• type ConfigCompatError
  • func (err *ConfigCompatError) Error() string
• type GasTable
• type ManashConfig
  • func (c *ManashConfig) String() string
• type Rules

Constants

const (
	// These are the multipliers for man 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
	Maner    = 1e18
	Einstein = 1e21
	Douglas  = 1e42
)

const (
	GasLimitBoundDivisor uint64 = 1024      // The bound divisor of the gas limit, used in update calculations.
	MinGasLimit          uint64 = 630000000 // Minimum the gas limit may ever be.
	GenesisGasLimit      uint64 = 630000000 // Gas limit of the Genesis block.

	MaximumExtraDataSize  uint64 = 32    // 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

	//
	TxCount              uint64 = 1000               //一对多交易最多可以支持1000笔(包括扩展之外的那一个交易)
	ErrTxConsensus       uint64 = 6                  //错误交易需要共识的个数（超过6个节点认为该笔交易错误就可以确认删除这笔交易）
	SubBlockNum          uint64 = 200                //超过SubBlockNum区块高度就删除某些东西（超过20个区块就删除未打包的交易）
	NonceAddOne          uint64 = 0x0010000000000000 //Nonce最高位加1
	NonceSubOne          uint64 = 0x0001FFFFFFFFFFFF //Nonce最高位减1
	MaxTxN               uint32 = 0x1FFFF            //交易编号最大值
	FloodMaxTransactions int    = 200                //洪泛交易数量阈值
	TxSize               uint64 = 32 * 1024          //交易的大小
	TxGasPrice           uint64 = 18000000000        //交易费
	EntrustByHeight      byte   = 0                  //按块高委托
	EntrustByTime        byte   = 1                  //按时间委托

	// Udp buffer
	MaxUdpBuf uint32 = 1024 * 64
)

const (
	VersionMajor = 1        // Major version component of the current release
	VersionMinor = 1        // Minor version component of the current release
	VersionPatch = 0        // Patch version component of the current release
	VersionMeta  = "stable" // Version metadata to append to the version string
)

const (
	// BloomBitsBlocks is the number of blocks a single bloom bit section vector
	// contains.
	BloomBitsBlocks uint64 = 4096
)

Variables

var (
	MainnetGenesisHash = common.HexToHash("0xd4e56740f876aef8c010b86a40d5f56745a118d0906a34e69aec8c0db1cb8fa3") // Mainnet genesis hash to enforce below configs on
	TestnetGenesisHash = common.HexToHash("0x41941023680923e0fe4d74a34bdac8141f2540e3ae90623718e47d66d1ca4a2d") // Testnet genesis hash to enforce below configs on
)

var (
	// 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,
		Manash:              new(ManashConfig),
	}

	// TestnetChainConfig contains the chain parameters to run a node on the Ropsten test network.
	TestnetChainConfig = &ChainConfig{
		ChainId:             big.NewInt(3),
		HomesteadBlock:      big.NewInt(0),
		DAOForkBlock:        nil,
		DAOForkSupport:      true,
		EIP150Block:         big.NewInt(0),
		EIP150Hash:          common.HexToHash("0x41941023680923e0fe4d74a34bdac8141f2540e3ae90623718e47d66d1ca4a2d"),
		EIP155Block:         big.NewInt(10),
		EIP158Block:         big.NewInt(10),
		ByzantiumBlock:      big.NewInt(1700000),
		ConstantinopleBlock: nil,
		Manash:              new(ManashConfig),
	}

	// 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),
		EIP150Hash:          common.HexToHash("0x9b095b36c15eaf13044373aef8ee0bd3a382a5abb92e402afa44b8249c3a90e9"),
		EIP155Block:         big.NewInt(3),
		EIP158Block:         big.NewInt(3),
		ByzantiumBlock:      big.NewInt(1035301),
		ConstantinopleBlock: nil,
		Clique: &CliqueConfig{
			Period: 15,
			Epoch:  30000,
		},
	}

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

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

	TestChainConfig = &ChainConfig{big.NewInt(1), big.NewInt(0), nil, false, big.NewInt(0), big.NewInt(0), common.Hash{}, big.NewInt(0), big.NewInt(0), nil, new(ManashConfig), nil}
	TestRules       = TestChainConfig.Rules(new(big.Int))
)

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,
	}
)

var (
	DifficultyBoundDivisor = big.NewInt(10)  // The bound divisor of the difficulty, used in the update calculations.
	GenesisDifficulty      = big.NewInt(10)  // Difficulty of the Genesis block.
	MinimumDifficulty      = big.NewInt(10)  // The minimum that the difficulty may ever be.
	DurationLimit          = big.NewInt(6)   // The decision boundary on the blocktime duration used to determine whether difficulty should go up or not.
	FloodTime              = 1 * time.Second //洪泛时间阈值
)

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").

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.

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

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

var DiscoveryV5Bootnodes = []string{}

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

var MainnetBootnodes = []string{}

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

var RinkebyBootnodes = []string{}

RinkebyBootnodes are the enode URLs of the P2P bootstrap nodes running on the Rinkeby test network.

var (
	TargetGasLimit uint64 = GenesisGasLimit // The artificial target
)

var TestnetBootnodes = []string{}

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

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

	ByzantiumBlock *big.Int `json:"byzantiumBlock,omitempty"` // Byzantium switch block (nil = no fork, 0 = already on byzantium)
	// EIP150 implements the Gas price changes (https://github.com/MatrixAINetwork/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

	ConstantinopleBlock *big.Int `json:"constantinopleBlock,omitempty"` // Constantinople switch block (nil = no fork, 0 = already activated)

	// Various consensus engines
	Manash *ManashConfig `json:"manash,omitempty"`
	Clique *CliqueConfig `json:"clique,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) 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 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 ManashConfig

type ManashConfig struct{}

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

func (*ManashConfig) String

func (c *ManashConfig) String() string

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

type Rules

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