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path: root/state/log.go
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package state

import (
    "fmt"

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

type Log interface {
    common.RlpEncodable

    Address() common.Address
    Topics() [][]byte
    Data() []byte

    Number() uint64
}

type StateLog struct {
    address common.Address
    topics  [][]byte
    data    []byte
    number  uint64
}

func NewLog(address common.Address, topics [][]byte, data []byte, number uint64) *StateLog {
    return &StateLog{address, topics, data, number}
}

func (self *StateLog) Address() common.Address {
    return self.address
}

func (self *StateLog) Topics() [][]byte {
    return self.topics
}

func (self *StateLog) Data() []byte {
    return self.data
}

func (self *StateLog) Number() uint64 {
    return self.number
}

/*
func NewLogFromValue(decoder *common.Value) *StateLog {
    var extlog struct {

    }

    log := &StateLog{
        address: decoder.Get(0).Bytes(),
        data:    decoder.Get(2).Bytes(),
    }

    it := decoder.Get(1).NewIterator()
    for it.Next() {
        log.topics = append(log.topics, it.Value().Bytes())
    }

    return log
}
*/

func (self *StateLog) RlpData() interface{} {
    return []interface{}{self.address, common.ByteSliceToInterface(self.topics), self.data}
}

func (self *StateLog) String() string {
    return fmt.Sprintf(`log: %x %x %x`, self.address, self.topics, self.data)
}

type Logs []Log

func (self Logs) RlpData() interface{} {
    data := make([]interface{}, len(self))
    for i, log := range self {
        data[i] = log.RlpData()
    }

    return data
}

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

    return "[" + ret + "]"
}