From 3dd1f0a048a868f6b46b46ccc7bd2f90365eb5c2 Mon Sep 17 00:00:00 2001 From: Ian Macalinao Date: Mon, 23 Jul 2018 12:25:30 -0700 Subject: [PATCH] eth: Better error message for invalid filter topics --- eth/filters/api.go | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/eth/filters/api.go b/eth/filters/api.go index 592ad3b82f..32e82ca35b 100644 --- a/eth/filters/api.go +++ b/eth/filters/api.go @@ -538,7 +538,7 @@ func (args *FilterCriteria) UnmarshalJSON(data []byte) error { func decodeAddress(s string) (common.Address, error) { b, err := hexutil.Decode(s) if err == nil && len(b) != common.AddressLength { - err = fmt.Errorf("hex has invalid length %d after decoding", len(b)) + err = fmt.Errorf("hex has invalid length %d after decoding; expected %d for address", len(b), common.AddressLength) } return common.BytesToAddress(b), err } @@ -546,7 +546,7 @@ func decodeAddress(s string) (common.Address, error) { func decodeTopic(s string) (common.Hash, error) { b, err := hexutil.Decode(s) if err == nil && len(b) != common.HashLength { - err = fmt.Errorf("hex has invalid length %d after decoding", len(b)) + err = fmt.Errorf("hex has invalid length %d after decoding; expected %d for topic", len(b), common.HashLength) } return common.BytesToHash(b), err }