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path: root/core/state/log.go
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// Copyright 2014 The go-ethereum Authors
// This file is part of go-ethereum.
//
// go-ethereum is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// go-ethereum is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with go-ethereum.  If not, see <http://www.gnu.org/licenses/>.

package state

import (
    "fmt"
    "io"

    "github.com/ethereum/go-ethereum/common"
    "github.com/ethereum/go-ethereum/rlp"
)

type Log struct {
    Address common.Address
    Topics  []common.Hash
    Data    []byte
    Number  uint64

    TxHash    common.Hash
    TxIndex   uint
    BlockHash common.Hash
    Index     uint
}

func NewLog(address common.Address, topics []common.Hash, data []byte, number uint64) *Log {
    return &Log{Address: address, Topics: topics, Data: data, Number: number}
}

func (self *Log) EncodeRLP(w io.Writer) error {
    return rlp.Encode(w, []interface{}{self.Address, self.Topics, self.Data})
}

func (self *Log) String() string {
    return fmt.Sprintf(`log: %x %x %x %x %d %x %d`, self.Address, self.Topics, self.Data, self.TxHash, self.TxIndex, self.BlockHash, self.Index)
}

type Logs []*Log

type LogForStorage Log

func (self *LogForStorage) EncodeRLP(w io.Writer) error {
    return rlp.Encode(w, []interface{}{
        self.Address,
        self.Topics,
        self.Data,
        self.Number,
        self.TxHash,
        self.TxIndex,
        self.BlockHash,
        self.Index,
    })
}