Prevent duplicate history events

mempool · May 1, 2024 · 9e0ecad · 9e0ecad
1 parent c2445a3
commit 9e0ecad
Showing 1 changed file with 6 additions and 2 deletions.
diff --git a/src/new_index/mempool.rs b/src/new_index/mempool.rs
@@ -439,8 +439,12 @@ impl Mempool {
         // Phase 1: add to txstore
         for tx in txs {
             let txid = tx.txid();
-            txids.push(txid);
-            self.txstore.insert(txid, tx);
+            // Only push if it doesn't already exist.
+            // This is important now that update doesn't lock during
+            // the entire function body.
+            if self.txstore.insert(txid, tx).is_none() {
+                txids.push(txid);
+            }
         }
 
         // Phase 2: index history and spend edges (some txos can be missing)