diff options
| -rw-r--r-- | eth/api_tracer.go | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/eth/api_tracer.go b/eth/api_tracer.go index 722e2a6e3..704a6cdba 100644 --- a/eth/api_tracer.go +++ b/eth/api_tracer.go @@ -119,6 +119,9 @@ func (api *PrivateDebugAPI) TraceChain(ctx context.Context, start, end rpc.Block if to == nil { return nil, fmt.Errorf("end block #%d not found", end) } + if from.Number().Cmp(to.Number()) >= 0 { + return nil, fmt.Errorf("end block (#%d) needs to come after start block (#%d)", end, start) + } return api.traceChain(ctx, from, to, config) } |