Fix trace pending txns

NethermindEth · Jan 15, 2025 · ac0a2be · ac0a2be
1 parent efe2165
commit ac0a2be
Showing 1 changed file with 12 additions and 0 deletions.
diff --git a/rpc/trace.go b/rpc/trace.go
@@ -142,6 +142,18 @@ func (h *Handler) traceTransaction(ctx context.Context, hash *felt.Felt) (*vm.Tr
 	httpHeader.Set(ExecutionStepsHeader, "0")
 
 	if err != nil {
+		if pendingB := h.syncReader.PendingBlock(); pendingB != nil {
+			txIndex := slices.IndexFunc(pendingB.Transactions, func(tx core.Transaction) bool {
+				return tx.Hash().Equal(hash)
+			})
+			if txIndex != -1 {
+				traceResults, header, traceBlockErr := h.traceBlockTransactions(ctx, pendingB)
+				if traceBlockErr != nil {
+					return nil, header, traceBlockErr
+				}
+				return traceResults[txIndex].TraceRoot, header, nil
+			}
+		}
 		return nil, httpHeader, ErrTxnHashNotFound
 	}