path: root/core/types/receipt.go

// Copyright 2014 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library 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.
//
// The go-ethereum library 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 the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.

package types

import (
    "bytes"
    "fmt"
    "io"
    "math/big"

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

type Receipt struct {
    PostState         []byte
    CumulativeGasUsed *big.Int
    Bloom             Bloom
    TxHash            common.Hash
    ContractAddress   common.Address
    logs              state.Logs
    GasUsed           *big.Int
}

func NewReceipt(root []byte, cumalativeGasUsed *big.Int) *Receipt {
    return &Receipt{PostState: common.CopyBytes(root), CumulativeGasUsed: new(big.Int).Set(cumalativeGasUsed)}
}

func (self *Receipt) SetLogs(logs state.Logs) {
    self.logs = logs
}

func (self *Receipt) Logs() state.Logs {
    return self.logs
}

func (self *Receipt) EncodeRLP(w io.Writer) error {
    return rlp.Encode(w, []interface{}{self.PostState, self.CumulativeGasUsed, self.Bloom, self.logs})
}

func (self *Receipt) DecodeRLP(s *rlp.Stream) error {
    var r struct {
        PostState         []byte
        CumulativeGasUsed *big.Int
        Bloom             Bloom
        TxHash            common.Hash
        ContractAddress   common.Address
        Logs              state.Logs
        GasUsed           *big.Int
    }
    if err := s.Decode(&r); err != nil {
        return err
    }
    self.PostState, self.CumulativeGasUsed, self.Bloom, self.TxHash, self.ContractAddress, self.logs, self.GasUsed = r.PostState, r.CumulativeGasUsed, r.Bloom, r.TxHash, r.ContractAddress, r.Logs, r.GasUsed

    return nil
}

type ReceiptForStorage Receipt

func (self *ReceiptForStorage) EncodeRLP(w io.Writer) error {
    storageLogs := make([]*state.LogForStorage, len(self.logs))
    for i, log := range self.logs {
        storageLogs[i] = (*state.LogForStorage)(log)
    }
    return rlp.Encode(w, []interface{}{self.PostState, self.CumulativeGasUsed, self.Bloom, self.TxHash, self.ContractAddress, storageLogs, self.GasUsed})
}

func (self *Receipt) RlpEncode() []byte {
    bytes, err := rlp.EncodeToBytes(self)
    if err != nil {
        fmt.Println("TMP -- RECEIPT ENCODE ERROR", err)
    }
    return bytes
}

func (self *Receipt) Cmp(other *Receipt) bool {
    if bytes.Compare(self.PostState, other.PostState) != 0 {
        return false
    }

    return true
}

func (self *Receipt) String() string {
    return fmt.Sprintf("receipt{med=%x cgas=%v bloom=%x logs=%v}", self.PostState, self.CumulativeGasUsed, self.Bloom, self.logs)
}

type Receipts []*Receipt

func (self Receipts) RlpEncode() []byte {
    bytes, err := rlp.EncodeToBytes(self)
    if err != nil {
        fmt.Println("TMP -- RECEIPTS ENCODE ERROR", err)
    }
    return bytes
}

func (self Receipts) Len() int            { return len(self) }
func (self Receipts) GetRlp(i int) []byte { return common.Rlp(self[i]) }