From 3e52b62203ddb94c630f84a11a36fa7f04fc3300 Mon Sep 17 00:00:00 2001
From: June <2571240520@qq.com>
Date: Fri, 28 Jun 2024 10:40:01 +0800
Subject: [PATCH] Bug fix: All nodes temporarily close tx pool when syncing.

---
 src/main/java/io/xdag/core/BlockchainImpl.java | 5 +++--
 src/test/java/io/xdag/core/ExtraBlockTest.java | 2 ++
 2 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/src/main/java/io/xdag/core/BlockchainImpl.java b/src/main/java/io/xdag/core/BlockchainImpl.java
index 33791fa0..5c859dd6 100644
--- a/src/main/java/io/xdag/core/BlockchainImpl.java
+++ b/src/main/java/io/xdag/core/BlockchainImpl.java
@@ -435,8 +435,9 @@ public synchronized ImportResult tryToConnect(Block block) {
 //                result = ImportResult.IMPORTED_EXTRA;
             } else {
                 saveBlock(block);
-                // prohibited non-mining node set Tx pool
-                if (kernel.getConfig().getEnableGenerateBlock()) {
+                // 1. prohibited non-mining node set Tx pool,
+                // 2. all nodes temporarily close tx pool when syncing.
+                if (kernel.getConfig().getEnableGenerateBlock() && kernel.getPow() != null) {
                     orphanBlockStore.addOrphan(block);
                 }
                 xdagStats.nnoref++;
diff --git a/src/test/java/io/xdag/core/ExtraBlockTest.java b/src/test/java/io/xdag/core/ExtraBlockTest.java
index 5a283697..c0544e76 100644
--- a/src/test/java/io/xdag/core/ExtraBlockTest.java
+++ b/src/test/java/io/xdag/core/ExtraBlockTest.java
@@ -29,6 +29,7 @@
 import io.xdag.Wallet;
 import io.xdag.config.Config;
 import io.xdag.config.DevnetConfig;
+import io.xdag.consensus.XdagPow;
 import io.xdag.crypto.SampleKeys;
 import io.xdag.crypto.Sign;
 import io.xdag.db.BlockStore;
@@ -102,6 +103,7 @@ public void setUp() throws Exception {
         kernel.setBlockStore(blockStore);
         kernel.setOrphanBlockStore(orphanBlockStore);
         kernel.setWallet(wallet);
+        kernel.setPow(new XdagPow(kernel));
     }
 
     @Test