Use latest available block when fetching blocks in evmrpc

Author: philipsu522

evmrpc/filter.go

@@ -405,6 +405,10 @@ func (f *LogFetcher) fetchBlocksByCrit(ctx context.Context, crit filters.FilterC
 	if begin > end {
 		return nil, 0, false, fmt.Errorf("fromBlock %d is after toBlock %d", begin, end)
 	}
+	// Ensure we don't request blocks beyond the current blockchain height
+	if end > latest {
+		end = latest
+	}
 	res := make(chan *coretypes.ResultBlock, end-begin+1)
 	defer close(res)
 	runner := NewParallelRunner(MaxNumOfWorkers, int(end-begin+1))