status-go/geth/account/utils.go

63 lines
1.6 KiB
Go

package account
import (
"errors"
"github.com/ethereum/go-ethereum/accounts"
"github.com/ethereum/go-ethereum/accounts/keystore"
"github.com/ethereum/go-ethereum/common"
)
// errors
var (
ErrInvalidAccountAddressOrKey = errors.New("cannot parse address or key to valid account address")
)
// SelectedExtKey is a container for the selected (logged in) external account.
type SelectedExtKey struct {
Address common.Address
AccountKey *keystore.Key
SubAccounts []accounts.Account
}
// Hex dumps address of a given extended key as hex string.
func (k *SelectedExtKey) Hex() string {
if k == nil {
return "0x0"
}
return k.Address.Hex()
}
// ParseAccountString parses hex encoded string and returns is as accounts.Account.
func ParseAccountString(account string) (accounts.Account, error) {
// valid address, convert to account
if common.IsHexAddress(account) {
return accounts.Account{Address: common.HexToAddress(account)}, nil
}
return accounts.Account{}, ErrInvalidAccountAddressOrKey
}
// FromAddress converts account address from string to common.Address.
// The function is useful to format "From" field of send transaction struct.
func FromAddress(accountAddress string) common.Address {
from, err := ParseAccountString(accountAddress)
if err != nil {
return common.Address{}
}
return from.Address
}
// ToAddress converts account address from string to *common.Address.
// The function is useful to format "To" field of send transaction struct.
func ToAddress(accountAddress string) *common.Address {
to, err := ParseAccountString(accountAddress)
if err != nil {
return nil
}
return &to.Address
}