ethereum

Documentation

Index

• Constants
• func DecodeHex(s string) []byte
• func GetAddressForNetwork(addresses string, networkID int64) (string, error)
• func GetEtherscanURL(netID int64) string
• func Keccak256(input []byte) [32]byte
• func NewClient(ctx context.Context, logger log.Logger) (*ethclient.Client, int64, error)
• func NewSignedTX(to common.Address, data []byte, nonce uint64, prvKey *ecdsa.PrivateKey, ...) (*types.Transaction, string, error)
• func PrepareTx(ctx context.Context, client *ethclient.Client, account *Account, ...) (*bind.TransactOpts, error)
• func ValidateAddress(address string) error
• type Account
  • func GetAccountByPubAddress(logger log.Logger, pubAddr string) (*Account, error)
  • func GetAccounts(logger log.Logger) ([]*Account, error)
  • func (a *Account) GetAddress() common.Address
  • func (a *Account) GetPrivateKey() *ecdsa.PrivateKey

Constants

const (
	PrivateKeysEnvName = "ETH_PRIVATE_KEYS"
	NodeURLEnvName     = "NODE_URL"
	ComponentName      = "ethereum"
	BlockTime          = float64(15)
	BlocksPerSecond    = float64(1 / BlockTime)
	BlocksPerMinute    = float64(60 / BlockTime)
	ReorgEventWait     = time.Minute
)

Functions

func DecodeHex

func DecodeHex(s string) []byte

func GetAddressForNetwork

func GetAddressForNetwork(addresses string, networkID int64) (string, error)

GetAddressForNetwork returns an ethereum address based on ethereum node network id.

func GetEtherscanURL

func GetEtherscanURL(netID int64) string

func Keccak256

func Keccak256(input []byte) [32]byte

func NewClient

func NewClient(ctx context.Context, logger log.Logger) (*ethclient.Client, int64, error)

func NewSignedTX

func NewSignedTX(
	to common.Address,
	data []byte,
	nonce uint64,
	prvKey *ecdsa.PrivateKey,
	netID int64,
	gasLimit uint64,
	gasMaxFee float64,
) (*types.Transaction, string, error)

func PrepareTx

func PrepareTx(
	ctx context.Context,
	client *ethclient.Client,
	account *Account,
	gasMaxFee float64,
	gasLimit uint64,
) (*bind.TransactOpts, error)

func ValidateAddress

func ValidateAddress(address string) error

ValidateAddress checks if an ethereum URL is valid?

Types

type Account

type Account struct {
	Address    common.Address
	PrivateKey *ecdsa.PrivateKey
}

func GetAccountByPubAddress

func GetAccountByPubAddress(logger log.Logger, pubAddr string) (*Account, error)

func GetAccounts

func GetAccounts(logger log.Logger) ([]*Account, error)

GetAccounts returns a slice of Account from private keys in PrivateKeysEnvName environment variable.

func (*Account) GetAddress

func (a *Account) GetAddress() common.Address

func (*Account) GetPrivateKey

func (a *Account) GetPrivateKey() *ecdsa.PrivateKey