common

package
v0.0.0-...-76f442b Latest Latest
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 Go to latest Published: May 27, 2019 License: GPL-3.0 Imports: 16 Imported by: 0

Documentation

Overview

Package common contains various helper functions.

Index

Constants

View Source 
const (
	HashLength    = 32
	AddressLength = 20
)

Variables

View Source 
var (
	Big1   = big.NewInt(1)
	Big2   = big.NewInt(2)
	Big3   = big.NewInt(3)
	Big0   = big.NewInt(0)
	Big32  = big.NewInt(32)
	Big256 = big.NewInt(256)
	Big257 = big.NewInt(257)
)

Common big integers often used

View Source 
var (

	//SpecialTxTypeStakeSync类型的交易代表stake同步
	SpecialTxTypeStakeSync = big.NewInt(1)
	//SpecialTxTypeHeftSync类型的交易代表heft同步
	SpecialTxTypeHeftSync = big.NewInt(2)

	//SpecialTxTypeSpaceApply类型的交易代表用户申请存储空间
	SpecialTxTypeSpaceApply = big.NewInt(3)

	//SpecialTxTypeTrafficApply类型的交易代表用户给存储申请流量
	SpecialTxTypeTrafficApply = big.NewInt(4)

	//SpecialTxTypeMortgageInit类型的交易代表用户押注初始化交易
	SpecialTxTypeMortgageInit = big.NewInt(5)

	//SpecialTxTypeMortgageTerminate类型的交易代表用户押注结束时的结算交易
	SpecialTxTypeMortgageTerminate = big.NewInt(6)
	//SpecialTxTypeSyncSidechainStatus类型的交易代表同步侧链状态
	SpecialTxTypeSyncSidechainStatus = big.NewInt(7)

	//SpecialTxTypeSyncNodeId类型的交易代表用户同步stake时的节点到链上
	SpecialTxTypeSyncNode = big.NewInt(8)
	//同步分享秘钥
	SynchronizeShareKey = big.NewInt(15)
	//解锁分享秘钥
	UnlockSharedKey = big.NewInt(20)

	// SpecialTxTypeSyncSecretKey类型的交易代表用户同步文件分享公钥
	SpecialTxTypeSyncFielSharePublicKey = big.NewInt(9)

	// SpecialTxTypePunishment 类型的交易代表对用户进行stake扣除惩罚交易
	SpecialTxTypePunishment = big.NewInt(10)
)
View Source 
var BucketApplyGasPerGPerDay int64 = int64(5000) //单位为wei
View Source 
var OneDayGes int64 = int64(5000)
View Source 
var OneDaySyncLogGsa int64 = int64(5000)
View Source 
var ReadOnly int = 1
View Source 
var ReadWrite int = 0

特殊交易 Tx.init 格式 其中 allow 中的权限如下 0: readwrite 1: readonly 2: write

View Source 
var StakeValuePerNode int64 = int64(1000)
View Source 
var TrafficApplyGasPerG int64 = int64(5000) //单位为wei
View Source 
var Write int = 2

Functions

func AbsolutePath 

func AbsolutePath(Datadir string, filename string) string

func Bytes2Hex 

func Bytes2Hex(d []byte) string

func CopyBytes 

func CopyBytes(b []byte) (copiedBytes []byte)

Copy bytes

Returns an exact copy of the provided bytes

func EmptyHash 

func EmptyHash(h Hash) bool

func FileExist 

func FileExist(filePath string) bool

func FromHex 

func FromHex(s string) []byte

func Hex2Bytes 

func Hex2Bytes(str string) []byte

func Hex2BytesFixed 

func Hex2BytesFixed(str string, flen int) []byte

func IsHexAddress 

func IsHexAddress(s string) bool

IsHexAddress verifies whether a string can represent a valid hex-encoded Ethereum address or not.

func LeftPadBytes 

func LeftPadBytes(slice []byte, l int) []byte

func LoadJSON 

func LoadJSON(file string, val interface{}) error

LoadJSON reads the given file and unmarshals its content.

func MakeName 

func MakeName(name, version string) string

MakeName creates a node name that follows the ethereum convention for such names. It adds the operation system name and Go runtime version the name.

func PrintDepricationWarning 

func PrintDepricationWarning(str string)

PrintDepricationWarning prinst the given string in a box using fmt.Println.

func Report 

func Report(extra ...interface{})

Report gives off a warning requesting the user to submit an issue to the github tracker.

func RightPadBytes 

func RightPadBytes(slice []byte, l int) []byte

func ToHex 

func ToHex(b []byte) string

Types

type Address 

type Address [AddressLength]byte

Address represents the 20 byte address of an Ethereum account. 

var (
	// 特殊账户处理处理特殊交易（通过交易参数中的字段区分交易的作用）
	// 	   一、stake同步:         交易发起方为用户，交易的"from"字段为用户address，交易的"to"字段为该特殊地址，参数类型字段为1
	//     二、heft同步:          交易发起方为存储，交易的"from"为存储节点的address，交易的"to"字段为该特殊地址，参数类型字段为2
	//     三、存储空间申请:       交易发起方为用户，交易的"from"字段为用户address，交易的"to"字段为该特殊地址，参数类型字段为3
	//     四、空间流量申请:       交易发起方为用户，交易的"from"字段为用户address，交易的"to"字段为该特殊地址，参数类型字段为4
	//     五、跨链交易init:      交易发起方为用户，交易的"from"字段为用户address，交易的"to"字段为该特殊地址，参数类型字段为5
	//     六、跨链交易terminate: 交易发起方为用户，交易的"from"字段为用户address，交易的"to"字段为该特殊地址，参数类型字段为6
	//     七、跨链交易Sidechina: 交易发起方为存储，交易的"from"字段为用户address，交易的"to"字段为该特殊地址，参数类型字段为7
	//     八、矿工节点同步:      交易发起方为矿工，交易的"from"字段为用户address，交易的"to"字段为该特殊地址，参数类型字段为8
	SpecialSyncAddress Address = HexToAddress("0x09773e46ae5e8597b84d1091712268fbd8986ae2")

	//特殊账户，该账户存储矿工节点Id到账户的倒排索引
	StakeNode2StakeAddress Address = HexToAddress("0x0000000000000000000000000000000000000001")
)

Some special address prepared for special transactions. 

var SyncHeftAddress Address = HexToAddress("0x4c76584a5c7caf369e8571cf13162bcf83843f0b")
var SyncLogAddress Address = HexToAddress("0xaf7a12de8dc1de25c0541966695498074f52a1cc")

官方账号 var OfficialAddress Address = HexToAddress("0xa07b0fc50549c636ad4d7fbc6ea747574efb8e8a")

func BigToAddress 

func BigToAddress(b *big.Int) Address

func BytesToAddress 

func BytesToAddress(b []byte) Address

func HexToAddress 

func HexToAddress(s string) Address

func StringToAddress 

func StringToAddress(s string) Address

func (Address) AddressToByte32 

func (a Address) AddressToByte32() [32]byte

func (Address) Big 

func (a Address) Big() *big.Int

func (Address) Bytes 

func (a Address) Bytes() []byte

func (Address) Format 

func (a Address) Format(s fmt.State, c rune)

Format implements fmt.Formatter, forcing the byte slice to be formatted as is, without going through the stringer interface used for logging.

func (Address) Hash 

func (a Address) Hash() Hash

func (Address) Hex 

func (a Address) Hex() string

Hex returns an EIP55-compliant hex string representation of the address.

func (Address) MarshalText 

func (a Address) MarshalText() ([]byte, error)

MarshalText returns the hex representation of a.

func (*Address) Set 

func (a *Address) Set(other Address)

Sets a to other

func (*Address) SetBytes 

func (a *Address) SetBytes(b []byte)

Sets the address to the value of b. If b is larger than len(a) it will panic

func (*Address) SetString 

func (a *Address) SetString(s string)

Set string `s` to a. If s is larger than len(a) it will panic

func (Address) Str 

func (a Address) Str() string

Get the string representation of the underlying address

func (Address) String 

func (a Address) String() string

String implements the stringer interface and is used also by the logger.

func (*Address) UnmarshalJSON 

func (a *Address) UnmarshalJSON(input []byte) error

UnmarshalJSON parses a hash in hex syntax.

func (*Address) UnmarshalText 

func (a *Address) UnmarshalText(input []byte) error

UnmarshalText parses a hash in hex syntax.

type Hash 

type Hash [HashLength]byte

Hash represents the 32 byte Keccak256 hash of arbitrary data.

func BigToHash 

func BigToHash(b *big.Int) Hash

func BytesToHash 

func BytesToHash(b []byte) Hash

func HexToHash 

func HexToHash(s string) Hash

func StringToHash 

func StringToHash(s string) Hash

func (Hash) Big 

func (h Hash) Big() *big.Int

func (Hash) Bytes 

func (h Hash) Bytes() []byte

func (Hash) Format 

func (h Hash) Format(s fmt.State, c rune)

Format implements fmt.Formatter, forcing the byte slice to be formatted as is, without going through the stringer interface used for logging.

func (Hash) Generate 

func (h Hash) Generate(rand *rand.Rand, size int) reflect.Value

Generate implements testing/quick.Generator.

func (Hash) Hex 

func (h Hash) Hex() string

func (Hash) MarshalText 

func (h Hash) MarshalText() ([]byte, error)

MarshalText returns the hex representation of h.

func (*Hash) Set 

func (h *Hash) Set(other Hash)

Sets h to other

func (*Hash) SetBytes 

func (h *Hash) SetBytes(b []byte)

Sets the hash to the value of b. If b is larger than len(h), 'b' will be cropped (from the left).

func (*Hash) SetString 

func (h *Hash) SetString(s string)

Set string `s` to h. If s is larger than len(h) s will be cropped (from left) to fit.

func (Hash) Str 

func (h Hash) Str() string

Get the string representation of the underlying hash

func (Hash) String 

func (h Hash) String() string

String implements the stringer interface and is used also by the logger when doing full logging into a file.

func (Hash) TerminalString 

func (h Hash) TerminalString() string

TerminalString implements log.TerminalStringer, formatting a string for console output during logging.

func (*Hash) UnmarshalJSON 

func (h *Hash) UnmarshalJSON(input []byte) error

UnmarshalJSON parses a hash in hex syntax.

func (*Hash) UnmarshalText 

func (h *Hash) UnmarshalText(input []byte) error

UnmarshalText parses a hash in hex syntax.

type PrettyDuration 

type PrettyDuration time.Duration

PrettyDuration is a pretty printed version of a time.Duration value that cuts the unnecessary precision off from the formatted textual representation.

func (PrettyDuration) String 

func (d PrettyDuration) String() string

String implements the Stringer interface, allowing pretty printing of duration values rounded to three decimals.

type StorageSize 

type StorageSize float64

StorageSize is a wrapper around a float value that supports user friendly formatting.

func (StorageSize) String 

func (s StorageSize) String() string

String implements the stringer interface.

func (StorageSize) TerminalString 

func (s StorageSize) TerminalString() string

TerminalString implements log.TerminalStringer, formatting a string for console output during logging.

type UnprefixedAddress 

type UnprefixedAddress Address

UnprefixedHash allows marshaling an Address without 0x prefix.

func (UnprefixedAddress) MarshalText 

func (a UnprefixedAddress) MarshalText() ([]byte, error)

MarshalText encodes the address as hex.

func (*UnprefixedAddress) UnmarshalText 

func (a *UnprefixedAddress) UnmarshalText(input []byte) error

UnmarshalText decodes the address from hex. The 0x prefix is optional.

type UnprefixedHash 

type UnprefixedHash Hash

UnprefixedHash allows marshaling a Hash without 0x prefix.

func (UnprefixedHash) MarshalText 

func (h UnprefixedHash) MarshalText() ([]byte, error)

MarshalText encodes the hash as hex.

func (*UnprefixedHash) UnmarshalText 

func (h *UnprefixedHash) UnmarshalText(input []byte) error

UnmarshalText decodes the hash from hex. The 0x prefix is optional.

Source Files

View all Source files

Directories

Path Synopsis
Package bitutil implements fast bitwise operations.
 Package bitutil implements fast bitwise operations.
Package compiler wraps the Solidity compiler executable (solc).
 Package compiler wraps the Solidity compiler executable (solc).
Package hexutil implements hex encoding with 0x prefix.
 Package hexutil implements hex encoding with 0x prefix.
Package math provides integer math utilities.
 Package math provides integer math utilities.
package mclock is a wrapper for a monotonic clock source
 package mclock is a wrapper for a monotonic clock source

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