From 177cc3f280f26c5fb4cfc1b934e95b9d16def1a6 Mon Sep 17 00:00:00 2001
From: kumavis <aaron@kumavis.me>
Date: Tue, 12 Jun 2018 11:51:35 -0700
Subject: metamask - ensure all nonce locks are released

---
 app/scripts/controllers/transactions/index.js              | 7 ++++++-
 app/scripts/controllers/transactions/nonce-tracker.js      | 4 ++--
 app/scripts/controllers/transactions/pending-tx-tracker.js | 4 ++--
 3 files changed, 10 insertions(+), 5 deletions(-)

(limited to 'app/scripts/controllers')

diff --git a/app/scripts/controllers/transactions/index.js b/app/scripts/controllers/transactions/index.js
index b53947e27..339052543 100644
--- a/app/scripts/controllers/transactions/index.js
+++ b/app/scripts/controllers/transactions/index.js
@@ -264,7 +264,12 @@ class TransactionController extends EventEmitter {
       // must set transaction to submitted/failed before releasing lock
       nonceLock.releaseLock()
     } catch (err) {
-      this.txStateManager.setTxStatusFailed(txId, err)
+      // this is try-catch wrapped so that we can guarantee that the nonceLock is released
+      try {
+        this.txStateManager.setTxStatusFailed(txId, err)
+      } catch (err) {
+        console.error(err)
+      }
       // must set transaction to submitted/failed before releasing lock
       if (nonceLock) nonceLock.releaseLock()
       // continue with error chain
diff --git a/app/scripts/controllers/transactions/nonce-tracker.js b/app/scripts/controllers/transactions/nonce-tracker.js
index ca340bae4..35ca08d6c 100644
--- a/app/scripts/controllers/transactions/nonce-tracker.js
+++ b/app/scripts/controllers/transactions/nonce-tracker.js
@@ -91,8 +91,8 @@ class NonceTracker {
 
   async _globalMutexFree () {
     const globalMutex = this._lookupMutex('global')
-    const release = await globalMutex.acquire()
-    release()
+    const releaseLock = await globalMutex.acquire()
+    releaseLock()
   }
 
   async _takeMutex (lockId) {
diff --git a/app/scripts/controllers/transactions/pending-tx-tracker.js b/app/scripts/controllers/transactions/pending-tx-tracker.js
index 6e2fcb40b..4e41cdaf8 100644
--- a/app/scripts/controllers/transactions/pending-tx-tracker.js
+++ b/app/scripts/controllers/transactions/pending-tx-tracker.js
@@ -196,14 +196,14 @@ class PendingTransactionTracker extends EventEmitter {
   async _checkPendingTxs () {
     const signedTxList = this.getPendingTransactions()
     // in order to keep the nonceTracker accurate we block it while updating pending transactions
-    const nonceGlobalLock = await this.nonceTracker.getGlobalLock()
+    const { releaseLock } = await this.nonceTracker.getGlobalLock()
     try {
       await Promise.all(signedTxList.map((txMeta) => this._checkPendingTx(txMeta)))
     } catch (err) {
       log.error('PendingTransactionWatcher - Error updating pending transactions')
       log.error(err)
     }
-    nonceGlobalLock.releaseLock()
+    releaseLock()
   }
 
   /**
-- 
cgit v1.2.3