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path: root/core/state/log.go
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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`, self.Address, self.Topics, self.Data)
}

type Logs []*Log

func (self Logs) String() (ret string) {
    for _, log := range self {
        ret += fmt.Sprintf("%v", log)
    }

    return "[" + ret + "]"
}