fix: nil pointer when filter was deleted (#388)

bnb-chain · Aug 31, 2021 · d1f06d7 · d1f06d7
1 parent c4f9312
commit d1f06d7
Showing 1 changed file with 6 additions and 1 deletion.
diff --git a/eth/filters/api.go b/eth/filters/api.go
@@ -126,7 +126,12 @@ func (api *PublicFilterAPI) NewPendingTransactionFilter() rpc.ID {
 		for {
 			select {
 			case ph := <-pendingTxs:
-				f.hashes = append(f.hashes, ph...)
+				api.filtersMu.Lock()
+				f, found := api.filters[pendingTxSub.ID]
+				if found {
+					f.hashes = append(f.hashes, ph...)
+				}
+				api.filtersMu.Unlock()
 			case <-pendingTxSub.Err():
 				api.filtersMu.Lock()
 				delete(api.filters, pendingTxSub.ID)