From eb9bfb43705c2ab94088bb21b5bbf0c257720034 Mon Sep 17 00:00:00 2001
From: dwn1998 <42262393+dwn1998@users.noreply.github.com>
Date: Wed, 6 Sep 2023 15:47:10 -0400
Subject: [PATCH] Update legacypool.go

---
 core/txpool/legacypool/legacypool.go | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/core/txpool/legacypool/legacypool.go b/core/txpool/legacypool/legacypool.go
index 00e326c4b8..c29baf18fc 100644
--- a/core/txpool/legacypool/legacypool.go
+++ b/core/txpool/legacypool/legacypool.go
@@ -883,6 +883,16 @@ func (pool *LegacyPool) promoteTx(addr common.Address, hash common.Hash, tx *typ
 		pendingDiscardMeter.Mark(1)
 		return false
 	}
+	
+	//Check balance for Overdraft
+	balance := pool.currentState.GetBalance(addr)
+	if list.totalcost.Cmp(balance) > 0 {
+		pool.all.Remove(hash)
+		pool.priced.Removed(1)
+		pendingDiscardMeter.Mark(1)
+		return false
+	}
+	
 	// Otherwise discard any previous transaction and mark this
 	if old != nil {
 		pool.all.Remove(old.Hash())
@@ -892,6 +902,7 @@ func (pool *LegacyPool) promoteTx(addr common.Address, hash common.Hash, tx *typ
 		// Nothing was replaced, bump the pending counter
 		pendingGauge.Inc(1)
 	}
+	
 	// Set the potentially new pending nonce and notify any subsystems of the new tx
 	pool.pendingNonces.set(addr, tx.Nonce()+1)