From b11a84a3473e501bfac001eec92bafb5e8843fcf Mon Sep 17 00:00:00 2001
From: maciejhirsz <maciej.hirsz@gmail.com>
Date: Mon, 10 Apr 2017 11:22:32 +0200
Subject: [PATCH] Unlock transaction on RPC errors

---
 js/src/api/local/localAccountsMiddleware.js | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/js/src/api/local/localAccountsMiddleware.js b/js/src/api/local/localAccountsMiddleware.js
index 7f01ee913..753de8a4c 100644
--- a/js/src/api/local/localAccountsMiddleware.js
+++ b/js/src/api/local/localAccountsMiddleware.js
@@ -169,6 +169,12 @@ export default class LocalAccountsMiddleware extends Middleware {
         this.rpcRequest('parity_nextNonce', [from]),
         account.decryptPrivateKey(password)
       ])
+      .catch((err) => {
+        transactions.unlock(id);
+
+        // transaction got unlocked, can propagate rejection further
+        throw err;
+      })
       .then(([nonce, privateKey]) => {
         if (!privateKey) {
           transactions.unlock(id);