From 5920d310de65aca21d39e675c615468942cd4129 Mon Sep 17 00:00:00 2001
From: Ji Qiren <jiqiren@gmail.com>
Date: Fri, 15 Dec 2023 13:02:09 +0800
Subject: [PATCH] v3.11.0: prioritize transfer tx in tx pool

---
 CHANGELOG.md           |  5 +++++
 core/txpool/tx_pool.go | 11 +++++++++--
 2 files changed, 14 insertions(+), 2 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index bd1c7fe6b..a38363ad8 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,8 @@
+## v3.11.0
+Fri Dec 15 12:59:23 CST 2023
+
+- prioritize transfer tx in tx pool
+
 ## v3.10.1
 Tue Aug 22 21:03:12 CST 2023
 
diff --git a/core/txpool/tx_pool.go b/core/txpool/tx_pool.go
index 46ee6e8c4..9aa356c61 100644
--- a/core/txpool/tx_pool.go
+++ b/core/txpool/tx_pool.go
@@ -148,8 +148,15 @@ func (pool *TxPImpl) initBlockTx() {
 }
 
 func (pool *TxPImpl) verifyTx(t *tx.Tx) error {
-	if pool.pendingTx.Size() > maxCacheTxs {
-		return ErrCacheFull
+	isSimpleTransfer := len(t.Actions) == 1 && t.Actions[0].Contract == "token.iost"
+	if isSimpleTransfer {
+		if pool.pendingTx.Size() > 2*maxCacheTxs {
+			return ErrCacheFull
+		}
+	} else {
+		if pool.pendingTx.Size() > maxCacheTxs {
+			return ErrCacheFull
+		}
 	}
 	// Add one second delay for tx created time check
 	currentTime := time.Now().UnixNano()