The highest tagged major version is v3.

evmutils

package

v0.0.0-...-2db71d7 Latest Latest Go to latest Published: Aug 27, 2021 License: Apache-2.0 Imports: 3 Imported by: 5

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Repository

git.chainmaker.org.cn/chainmaker/common

Links

Open Source Insights

Documentation ¶

Index ¶

Constants
Variables
func EVMIntToHashBytes(i *Int) [hashLength]byte
func FromHex(s string) ([]byte, error)
func GetDataFrom(src []byte, offset uint64, size uint64) []byte
func Has0xPrefix(str string) bool
func Keccak256(data []byte) []byte
func LeftPadBytes(slice []byte, l int) []byte
func LeftPaddingSlice(src []byte, toSize int) []byte
func MinI(i, j int64) int64
func RightPaddingSlice(src []byte, toSize int) []byte
type Address
- func (a *Address) SetBytes(b []byte)
type Int

Constants ¶

View Source

const (
	AddressLength = 20
)

Variables ¶

View Source

var (
	BlankHash = make([]byte, hashLength, hashLength)
	ZeroHash  = Keccak256(nil)
)

Functions ¶

func EVMIntToHashBytes ¶

func EVMIntToHashBytes(i *Int) [hashLength]byte

EVMIntToHashBytes returns the absolute value of x as a big-endian fixed length byte slice.

func FromHex ¶

func FromHex(s string) ([]byte, error)

func GetDataFrom ¶

func GetDataFrom(src []byte, offset uint64, size uint64) []byte

func Has0xPrefix ¶

func Has0xPrefix(str string) bool

func Keccak256 ¶

func Keccak256(data []byte) []byte

func LeftPadBytes ¶

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

LeftPadBytes zero-pads slice to the left up to length l.

func LeftPaddingSlice ¶

func LeftPaddingSlice(src []byte, toSize int) []byte

func MinI ¶

func MinI(i, j int64) int64

func RightPaddingSlice ¶

func RightPaddingSlice(src []byte, toSize int) []byte

Types ¶

type Address ¶

type Address [AddressLength]byte

func BigToAddress ¶

func BigToAddress(b *Int) Address

BigToAddress math.bigInt to evm address

func BytesToAddress ¶

func BytesToAddress(b []byte) Address

BytesToAddress any byte set to a evm address

func HexToAddress ¶

func HexToAddress(s string) (Address, error)

HexToAddress any hex make a evm address

func StringToAddress ¶

func StringToAddress(s string) (Address, error)

StringToAddress any string make a evm address

func (*Address) SetBytes ¶

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

type Int ¶

type Int struct {
	*big.Int
}

func BytesDataToEVMIntHash ¶

func BytesDataToEVMIntHash(data []byte) *Int

BytesDataToEVMIntHash fixed length bytes

func EthHashBytesToEVMInt ¶

func EthHashBytesToEVMInt(hash [hashLength]byte) (*Int, error)

EthHashBytesToEVMInt EVMIntToHashBytes reverse

func FromBigInt ¶

func FromBigInt(i *big.Int) *Int

func FromDecimalString ¶

func FromDecimalString(s string) *Int

FromString from fmt data Int.String()

func FromHexString ¶

func FromHexString(s string) *Int

FromString from fmt data hex.encodeToString([]byte(Int.AsStringKey))

func FromString ¶

func FromString(ss string) *Int

FromString from fmt data Int.AsStringKey

func HashBytesToEVMInt ¶

func HashBytesToEVMInt(hash []byte) (*Int, error)

HashBytesToEVMInt byte to bigInt

func MakeAddress ¶

func MakeAddress(data []byte) *Int

MakeAddress any byte make a evm.Int

func MakeAddressFromHex ¶

func MakeAddressFromHex(str string) (*Int, error)

MakeAddressFromHex any hex str make a evm.Int

func MakeAddressFromString ¶

func MakeAddressFromString(str string) (*Int, error)

MakeAddressFromString any str make a evm.Int

func MinInt ¶

func MinInt(i, j *Int) *Int

func New ¶

func New(i int64) *Int

func (*Int) Add ¶

func (i *Int) Add(y *Int) *Int

func (*Int) AddMod ¶

func (i *Int) AddMod(y *Int, m *Int) *Int

func (*Int) And ¶

func (i *Int) And(y *Int) *Int

func (*Int) AsStringKey ¶

func (i *Int) AsStringKey() string

func (*Int) ByteAt ¶

func (i *Int) ByteAt(n int) byte

func (Int) Clone ¶

func (i Int) Clone() *Int

func (*Int) Div ¶

func (i *Int) Div(y *Int) *Int

func (*Int) EQ ¶

func (i *Int) EQ(y *Int) bool

func (*Int) Exp ¶

func (i *Int) Exp(e *Int) *Int

func (*Int) GT ¶

func (i *Int) GT(y *Int) bool

func (*Int) GetSigned ¶

func (i *Int) GetSigned() *Int

func (*Int) IsZero ¶

func (i *Int) IsZero() bool

func (*Int) LT ¶

func (i *Int) LT(y *Int) bool

func (*Int) Mod ¶

func (i *Int) Mod(m *Int) *Int

func (*Int) Mul ¶

func (i *Int) Mul(y *Int) *Int

func (*Int) MulMod ¶

func (i *Int) MulMod(y *Int, m *Int) *Int

func (*Int) Not ¶

func (i *Int) Not(y *Int) *Int

func (*Int) Or ¶

func (i *Int) Or(y *Int) *Int

func (*Int) SAR ¶

func (i *Int) SAR(n uint64) *Int

func (*Int) SDiv ¶

func (i *Int) SDiv(y *Int) *Int

func (*Int) SGT ¶

func (i *Int) SGT(y *Int) bool

func (*Int) SHL ¶

func (i *Int) SHL(n uint64) *Int

func (*Int) SHR ¶

func (i *Int) SHR(n uint64) *Int

func (*Int) SLT ¶

func (i *Int) SLT(y *Int) bool

func (*Int) SMod ¶

func (i *Int) SMod(m *Int) *Int

func (*Int) SignExtend ¶

func (i *Int) SignExtend(baseBytes *Int) *Int

func (*Int) Sub ¶

func (i *Int) Sub(y *Int) *Int

func (*Int) XOr ¶

func (i *Int) XOr(y *Int) *Int

Source Files ¶

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