63 lines
1.6 KiB
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
|
|
}
|