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-rw-r--r--xeth/xeth.go21
1 files changed, 21 insertions, 0 deletions
diff --git a/xeth/xeth.go b/xeth/xeth.go
index ad8596803..2ca0e80d7 100644
--- a/xeth/xeth.go
+++ b/xeth/xeth.go
@@ -813,6 +813,27 @@ func (self *XEth) ConfirmTransaction(tx string) bool {
return self.frontend.ConfirmTransaction(tx)
}
+func (self *XEth) Sign(fromStr, hashStr string) (string, error) {
+ var (
+ from = common.HexToAddress(fromStr)
+ hash = common.HexToHash(hashStr)
+ )
+ sig, err := self.backend.AccountManager().Sign(accounts.Account{Address: from.Bytes()}, hash)
+ if err == accounts.ErrLocked {
+ if didUnlock {
+ return fmt.Errorf("signer account still locked after successful unlock")
+ }
+ if !self.frontend.UnlockAccount(from.Bytes()) {
+ return fmt.Errorf("could not unlock signer account")
+ }
+ // retry signing, the account should now be unlocked.
+ return self.Sign(fromStr, hashStr)
+ } else if err != nil {
+ return err
+ }
+ return common.toHex(sig)
+}
+
func (self *XEth) Transact(fromStr, toStr, nonceStr, valueStr, gasStr, gasPriceStr, codeStr string) (string, error) {
// this minimalistic recoding is enough (works for natspec.js)