diff options
Diffstat (limited to 'ethchain/bloom9.go')
| -rw-r--r-- | ethchain/bloom9.go | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/ethchain/bloom9.go b/ethchain/bloom9.go index 508644b62..e841e7af7 100644 --- a/ethchain/bloom9.go +++ b/ethchain/bloom9.go @@ -3,6 +3,7 @@ package ethchain import ( "math/big" + "github.com/ethereum.backup/ethutil-go" "github.com/ethereum/go-ethereum/vm" ) @@ -23,7 +24,10 @@ func LogsBloom(logs []vm.Log) *big.Int { for _, topic := range log.Topics { data = append(data, topic) } - data = append(data, log.Data) + + if log.Data != nil { + data = append(data, log.Data) + } for _, b := range data { bin.Or(bin, bloom9(b)) @@ -42,3 +46,10 @@ func bloom9(b []byte) *big.Int { return r } + +func BloomLookup(bin, topic []byte) bool { + bloom := ethutil.BigD(bin) + cmp := bloom9(topic) + + return bloom.And(bloom, cmp).Cmp(cmp) == 0 +} |