ethutil

package module

v0.0.2 Latest Latest Go to latest Published: May 4, 2021 License: MIT Imports: 17 Imported by: 0

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Repository

github.com/warrior21st/ethutil

Links

Open Source Insights

README ¶

ethutil

Documentation ¶

Index ¶

Variables
func AddressToHex(addr common.Address) string
func BigIntToBytes(i *big.Int) []byte
func Byte32ToBytes(bs [32]byte) []byte
func BytesToHex(buf []byte) string
func CalcSignVByChainId(chainID *big.Int, v uint8) int64
func DeriveChainId(v *big.Int) *big.Int
func ECDSAPrivateKeyToHex(prv *ecdsa.PrivateKey) string
func Ecrecover(digestHash []byte, signature []byte) string
func GetAddress(privateKey string) string
func GetContractAbi(abiJson string) *abi.ABI
func GetEthClientWithHeader(endpoint string, key string, val string) (*ethclient.Client, error)
func GetEthStandardHex(hex string) string
func GetInfuraEthClientUseJWT(endpoint string, token string) (*ethclient.Client, error)
func GetInfuraEthClientUseSecret(endpoint string, secret string) (*ethclient.Client, error)
func GetRawTxHash(tx *types.Transaction) string
func GetTxFrom(tx *types.Transaction, chainID *big.Int) string
func HexToAddress(addr string) common.Address
func HexToBytes(hexStr string) []byte
func HexToECDSAPrivateKey(privateKey string) *ecdsa.PrivateKey
func Int32ToBytes(i int64) []byte
func Int64ToBytes(i int64) []byte
func IntToBytes(i int) []byte
func IsValidAddressHex(hex string) bool
func IsValidPrivateKeyHex(hex string) bool
func JoinSignature(sign *Signature) string
func Keccak256(data []byte) []byte
func NewTx(nonce uint64, to string, amount *big.Int, gasLimit uint64, gasPrice *big.Int, ...) *types.Transaction
func PackFuncArgs(datas *[]AbiParam) *[]byte
func PackSignArgs(datas *[]AbiParam) *[]byte
func PubkeyToAddress(pubkey *ecdsa.PublicKey) string
func RestoreSignV(chainID *big.Int, v int64) uint8
func SendRawTx(client *ethclient.Client, tx *types.Transaction) error
func SignTx(prv *ecdsa.PrivateKey, tx *types.Transaction, chainID *big.Int) *types.Transaction
func VerifySignature(address string, digestHash, signature []byte) bool
type AbiParam
type Signature
- func ExtractEcdsaSignature(signHex string) *Signature
- func SignMessage(digestHash []byte, prv *ecdsa.PrivateKey) *Signature
- func SignOriginDatas(prv *ecdsa.PrivateKey, prefix []byte, params *[]AbiParam) *Signature

Constants ¶

This section is empty.

Variables ¶

View Source

var (
	//bytes of "\x19Ethereum Signed Message:\n32"
	SIGN_PREFIX_STANDARD []byte = []byte("\u0019Ethereum Signed Message:\n32")

	//bytes of "\x19\x01"
	SIGN_PREFIX_HEX1901 []byte = []byte("\u0019\u0001")
)

Functions ¶

func AddressToHex ¶

func AddressToHex(addr common.Address) string

func BigIntToBytes ¶

func BigIntToBytes(i *big.Int) []byte

func Byte32ToBytes ¶

func Byte32ToBytes(bs [32]byte) []byte

func BytesToHex ¶

func BytesToHex(buf []byte) string

func CalcSignVByChainId ¶

func CalcSignVByChainId(chainID *big.Int, v uint8) int64

func DeriveChainId ¶

func DeriveChainId(v *big.Int) *big.Int

deriveChainId derives the chain id from the given v parameter

func ECDSAPrivateKeyToHex ¶

func ECDSAPrivateKeyToHex(prv *ecdsa.PrivateKey) string

ecdsa私钥指针转私钥字符串

func Ecrecover ¶

func Ecrecover(digestHash []byte, signature []byte) string

获取签名地址

func GetAddress ¶

func GetAddress(privateKey string) string

根据私钥获取地址

func GetContractAbi ¶

func GetContractAbi(abiJson string) *abi.ABI

获取合约abi对象

func GetEthClientWithHeader ¶

func GetEthClientWithHeader(endpoint string, key string, val string) (*ethclient.Client, error)

func GetEthStandardHex ¶

func GetEthStandardHex(hex string) string

将16进制字符串转换为eth标准的16进制形式字符串（统一小写）

func GetInfuraEthClientUseJWT ¶

func GetInfuraEthClientUseJWT(endpoint string, token string) (*ethclient.Client, error)

func GetInfuraEthClientUseSecret ¶

func GetInfuraEthClientUseSecret(endpoint string, secret string) (*ethclient.Client, error)

func GetRawTxHash ¶

func GetRawTxHash(tx *types.Transaction) string

获取已签名交易的txhash

func GetTxFrom ¶

func GetTxFrom(tx *types.Transaction, chainID *big.Int) string

获取交易from地址

func HexToAddress ¶

func HexToAddress(addr string) common.Address

func HexToBytes ¶

func HexToBytes(hexStr string) []byte

func HexToECDSAPrivateKey ¶

func HexToECDSAPrivateKey(privateKey string) *ecdsa.PrivateKey

私钥字符串转ecdsa私钥指针

func Int32ToBytes ¶

func Int32ToBytes(i int64) []byte

func Int64ToBytes ¶

func Int64ToBytes(i int64) []byte

func IntToBytes ¶

func IntToBytes(i int) []byte

func IsValidAddressHex ¶

func IsValidAddressHex(hex string) bool

判断是否是有效的地址16进制字符串

func IsValidPrivateKeyHex ¶

func IsValidPrivateKeyHex(hex string) bool

是否是有效的私钥16进制字符串

func JoinSignature ¶

func JoinSignature(sign *Signature) string

将签名转换为16进制字符串

func Keccak256 ¶

func Keccak256(data []byte) []byte

计算数据的Keccak256值

func NewTx ¶

func NewTx(nonce uint64, to string, amount *big.Int, gasLimit uint64, gasPrice *big.Int, data []byte) *types.Transaction

生成新交易（未签名）

func PackFuncArgs ¶

func PackFuncArgs(datas *[]AbiParam) *[]byte

打包调用合约方法用的参数

func PackSignArgs ¶

func PackSignArgs(datas *[]AbiParam) *[]byte

打包签名用的参数

func PubkeyToAddress ¶

func PubkeyToAddress(pubkey *ecdsa.PublicKey) string

func RestoreSignV ¶

func RestoreSignV(chainID *big.Int, v int64) uint8

还原签名中的V,总是返回0||1

func SendRawTx ¶

func SendRawTx(client *ethclient.Client, tx *types.Transaction) error

发送已签名的tx

func SignTx ¶

func SignTx(prv *ecdsa.PrivateKey, tx *types.Transaction, chainID *big.Int) *types.Transaction

签名交易

func VerifySignature ¶

func VerifySignature(address string, digestHash, signature []byte) bool

验证签名

Types ¶

type AbiParam ¶

type AbiParam struct {
	Type string
	Data []byte
}

type Signature ¶

type Signature struct {
	R []byte
	S []byte
	V uint8
}

签名

func ExtractEcdsaSignature ¶

func ExtractEcdsaSignature(signHex string) *Signature

16进制字符串转换为签名

func SignMessage ¶

func SignMessage(digestHash []byte, prv *ecdsa.PrivateKey) *Signature

签名消息 The produced signature is in the [R || S || V] format where V is 0 or 1.

func SignOriginDatas ¶

func SignOriginDatas(prv *ecdsa.PrivateKey, prefix []byte, params *[]AbiParam) *Signature

签名原始参数

Source Files ¶

View all Source files

ethutil.go

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