diff --git a/graphql/graphql.go b/graphql/graphql.go index ec7382f80a..50f0c6ca47 100644 --- a/graphql/graphql.go +++ b/graphql/graphql.go @@ -1417,6 +1417,9 @@ func (r *Resolver) Logs(ctx context.Context, args struct{ Filter FilterCriteria if args.Filter.ToBlock != nil { end = int64(*args.Filter.ToBlock) } + if begin > 0 && end > 0 && begin > end { + return nil, errInvalidBlockRange + } var addresses []common.Address if args.Filter.Addresses != nil { addresses = *args.Filter.Addresses