func (self *XEth) sign(tx *types.Transaction, from common.Address, didUnlock bool) error {
hash := tx.Hash()
sig, err := self.doSign(from, hash, didUnlock)
if err != nil {
return err
}
tx.SetSignatureValues(sig)
return nil
}
func (self *XEth) sign(tx *types.Transaction, from common.Address, didUnlock bool) error {
sig, err := self.backend.AccountManager().Sign(accounts.Account{Address: from.Bytes()}, tx.Hash().Bytes())
if err == accounts.ErrLocked {
if didUnlock {
return fmt.Errorf("sender account still locked after successful unlock")
}
if !self.frontend.UnlockAccount(from.Bytes()) {
return fmt.Errorf("could not unlock sender account")
}
// retry signing, the account should now be unlocked.
return self.sign(tx, from, true)
} else if err != nil {
return err
}
tx.SetSignatureValues(sig)
return nil
}
