// NewTransactor is a utility method to easily create a transaction signer from
// an encrypted json key stream and the associated passphrase.
func NewTransactor(keyin io.Reader, passphrase string) (*TransactOpts, error) {
json, err := ioutil.ReadAll(keyin)
if err != nil {
return nil, err
}
key, err := crypto.DecryptKey(json, passphrase)
if err != nil {
return nil, err
}
return NewKeyedTransactor(key), nil
}
// ImportAccount inserts an encrypted external account into the local keystore
// by first decrypting it, and then inserting using the local master password.
func (eapis *EtherAPIs) ImportAccount(keyjson []byte, password string) (common.Address, error) {
key, err := crypto.DecryptKey(keyjson, password)
if err != nil {
return common.Address{}, err
}
if eapis.ethereum.AccountManager().HasAccount(key.Address) {
return common.Address{}, errors.New("account already exists")
}
if err := eapis.client.Keystore().StoreKey(key, eapis.password); err != nil {
return common.Address{}, err
}
if err := eapis.ethereum.AccountManager().Unlock(key.Address, eapis.password); err != nil {
panic(fmt.Sprintf("Newly imported account failed to unlock: %v", err))
}
go eapis.eventmux.Post(NewAccountEvent{key.Address})
return key.Address, nil
}