plugeth-statediff/indexer/ipld/eth_log.go

45 lines
942 B
Go

package ipld
import (
"github.com/ipfs/go-cid"
mh "github.com/multiformats/go-multihash"
"github.com/ethereum/go-ethereum/core/types"
"github.com/ethereum/go-ethereum/rlp"
)
// EthLog (eth-log, codec 0x9a), represents an ethereum block header
type EthLog struct {
rawData []byte
cid cid.Cid
}
// Static (compile time) check that EthLog satisfies the node.Node interface.
var _ IPLD = (*EthLog)(nil)
// NewLog create a new EthLog IPLD node
func NewLog(log *types.Log) (*EthLog, error) {
logRaw, err := rlp.EncodeToBytes(log)
if err != nil {
return nil, err
}
c, err := RawdataToCid(MEthLog, logRaw, mh.KECCAK_256)
if err != nil {
return nil, err
}
return &EthLog{
cid: c,
rawData: logRaw,
}, nil
}
// RawData returns the binary of the RLP encode of the log.
func (l *EthLog) RawData() []byte {
return l.rawData
}
// Cid returns the cid of the receipt log.
func (l *EthLog) Cid() cid.Cid {
return l.cid
}