From 4dcbccd9b23acf012466be5ab24e80adae9db0cb Mon Sep 17 00:00:00 2001
From: Mononaut <github@monospace.live>
Date: Tue, 14 Jan 2025 06:41:34 +0000
Subject: [PATCH] avoid creating incomplete RBF trees

---
 backend/src/api/rbf-cache.ts | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/backend/src/api/rbf-cache.ts b/backend/src/api/rbf-cache.ts
index 944ad790e..df6e10c77 100644
--- a/backend/src/api/rbf-cache.ts
+++ b/backend/src/api/rbf-cache.ts
@@ -119,7 +119,11 @@ class RbfCache {
 
 
   public add(replaced: MempoolTransactionExtended[], newTxExtended: MempoolTransactionExtended): void {
-    if (!newTxExtended || !replaced?.length || this.txs.has(newTxExtended.txid)) {
+    if ( !newTxExtended
+      || !replaced?.length
+      || this.txs.has(newTxExtended.txid)
+      || !(replaced.some(tx => !this.replacedBy.has(tx.txid)))
+    ) {
       return;
     }