From 08a708e60d2e85afd26338b94752f62cb4e7c26a Mon Sep 17 00:00:00 2001
From: classicalliu <classicalliu@gmail.com>
Date: Wed, 7 Aug 2019 12:41:01 +0800
Subject: [PATCH] fix: early return when first-not-match

---
 packages/neuron-wallet/src/services/sync/queue.ts | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/packages/neuron-wallet/src/services/sync/queue.ts b/packages/neuron-wallet/src/services/sync/queue.ts
index 3a4f2e94d8..b050a2d741 100644
--- a/packages/neuron-wallet/src/services/sync/queue.ts
+++ b/packages/neuron-wallet/src/services/sync/queue.ts
@@ -73,7 +73,11 @@ export default class Queue {
     const blockHeaders: BlockHeader[] = blocks.map(block => block.header)
 
     // 2. check blockHeaders
-    await this.checkBlockHeader(blockHeaders)
+    const checkResult = await this.checkBlockHeader(blockHeaders)
+
+    if (checkResult.type === 'first-not-match') {
+      return
+    }
 
     // 3. check and save
     await this.getBlocksService.checkAndSave(blocks, this.lockHashes)
@@ -103,6 +107,8 @@ export default class Queue {
         throw new Error('chain forked')
       }
     }
+
+    return checkResult
   }
 
   public push = (blockNumbers: string[]): void => {