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types.go
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types.go
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// Copyright (c) 2016, Alan Chen
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
// 1. Redistributions of source code must retain the above copyright notice,
// this list of conditions and the following disclaimer.
//
// 2. Redistributions in binary form must reproduce the above copyright notice,
// this list of conditions and the following disclaimer in the documentation
// and/or other materials provided with the distribution.
//
// 3. Neither the name of the copyright holder nor the names of its contributors
// may be used to endorse or promote products derived from this software
// without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
// POSSIBILITY OF SUCH DAMAGE.
package common
import (
"encoding/json"
"math/big"
"sync/atomic"
"github.com/DSiSc/web3go/rlp"
"io"
)
const (
hashLength = 32
addressLength = 20
)
// Hash ...
type Hash [hashLength]byte
func NewHash(data []byte) (result Hash) {
copy(result[:], data)
return result
}
func (hash *Hash) String() string {
return BytesToHex(hash[:])
}
// Address ...
type Address [addressLength]byte
func NewAddress(data []byte) (result Address) {
copy(result[:], data)
return result
}
func (addr *Address) String() string {
return BytesToHex(addr[:])
}
// SyncStatus ...
type SyncStatus struct {
Result bool
StartingBlock *big.Int
CurrentBlock *big.Int
HighestBlock *big.Int
}
// TransactionRequest ...
type TransactionRequest struct {
From Address `json:"from"`
To Address `json:"to"`
Gas *big.Int `json:"gas"`
GasPrice *big.Int `json:"gasprice"`
Value *big.Int `json:"value"`
Data []byte `json:"data"`
}
func (tx *TransactionRequest) String() string {
jsonBytes, _ := json.Marshal(tx)
return string(jsonBytes)
}
// Transaction ...
type Transaction struct {
Hash Hash `json:"hash"`
Nonce Hash `json:"nonce"`
BlockHash Hash `json:"blockHash"`
BlockNumber *big.Int `json:"blockNumber"`
TransactionIndex uint64 `json:"transactionIndex"`
From Address `json:"from"`
To Address `json:"to"`
Gas *big.Int `json:"gas"`
GasPrice *big.Int `json:"gasprice"`
Value *big.Int `json:"value"`
Data []byte `json:"input"`
}
func (tx *Transaction) String() string {
jsonBytes, _ := json.Marshal(tx)
return string(jsonBytes)
}
type Topic struct {
Data []byte
}
type Topics []Topic
// Log ...
type Log struct {
LogIndex uint64 `json:"logIndex"`
BlockNumber *big.Int `json:"blockNumber"`
BlockHash Hash `json:"blockHash"`
TransactionHash Hash `json:"transactionHash"`
TransactionIndex uint64 `json:"transactionIndex"`
Address Address `json:"address"`
Data []byte `json:"data"`
Topics Topics `json:"topics"`
}
// TransactionReceipt ...
type TransactionReceipt struct {
Hash Hash `json:"transactionHash"`
TransactionIndex uint64 `json:"transactionIndex"`
BlockNumber *big.Int `json:"blockNumber"`
BlockHash Hash `json:"blockHash"`
CumulativeGasUsed *big.Int `json:"cumulativeGasUsed"`
GasUsed *big.Int `json:"gasUsed"`
ContractAddress Address `json:"contractAddress"`
Logs []Log `json:"logs"`
}
func (tx *TransactionReceipt) String() string {
jsonBytes, _ := json.Marshal(tx)
return string(jsonBytes)
}
// Block ...
type Block struct {
Number *big.Int `json:"number"`
Hash Hash `json:"hash"`
ParentHash Hash `json:"parentHash"`
Nonce Hash `json:"nonce"`
Sha3Uncles Hash `json:"sha3Uncles"`
Bloom Hash `json:"logsBloom"`
TransactionRoot Hash `json:"transactionsRoot"`
StateRoot Hash `json:"stateRoot"`
Miner Address `json:"miner"`
Difficulty *big.Int `json:"difficulty"`
TotalDifficulty *big.Int `json:"totalDifficulty"`
ExtraData Hash `json:"extraData"`
Size *big.Int `json:"size"`
GasLimit *big.Int `json:"gasLimit"`
GasUsed *big.Int `json:"gasUsed"`
Timestamp *big.Int `json:"timestamp"`
Transactions []Hash `json:"transactions"`
Uncles []Hash `json:"uncles"`
//MinGasPrice *big.Int `json:"minGasPrice"`
}
type Transactions struct {
data txdata
// caches
hash atomic.Value
size atomic.Value
from atomic.Value
}
type txdata struct {
AccountNonce uint64 `json:"nonce" gencodec:"required"`
Price *big.Int `json:"gasPrice" gencodec:"required"`
GasLimit uint64 `json:"gas" gencodec:"required"`
Recipient *Address `json:"to" rlp:"nil"` // nil means contract creation
Amount *big.Int `json:"value" gencodec:"required"`
Payload []byte `json:"input" gencodec:"required"`
// Signature values
V *big.Int `json:"v" gencodec:"required"`
R *big.Int `json:"r" gencodec:"required"`
S *big.Int `json:"s" gencodec:"required"`
// This is only used when marshaling to JSON.
Hash *Hash `json:"hash" rlp:"-"`
}
func NewTransactions(nonce uint64, to Address, amount *big.Int, gasLimit uint64, gasPrice *big.Int, data []byte) *Transactions {
return newTransactions(nonce, &to, amount, gasLimit, gasPrice, data)
}
// CopyBytes returns an exact copy of the provided bytes.
func CopyBytes(b []byte) (copiedBytes []byte) {
if b == nil {
return nil
}
copiedBytes = make([]byte, len(b))
copy(copiedBytes, b)
return
}
func newTransactions(nonce uint64, to *Address, amount *big.Int, gasLimit uint64, gasPrice *big.Int, data []byte) *Transactions {
if len(data) > 0 {
data = CopyBytes(data)
}
d := txdata{
AccountNonce: nonce,
Recipient: to,
Payload: data,
Amount: new(big.Int),
GasLimit: gasLimit,
Price: new(big.Int),
V: new(big.Int),
R: new(big.Int),
S: new(big.Int),
}
if amount != nil {
d.Amount.Set(amount)
}
if gasPrice != nil {
d.Price.Set(gasPrice)
}
return &Transactions{data: d}
}
// EncodeRLP implements rlp.Encoder
func (tx *Transactions) EncodeRLP(w io.Writer) error {
return rlp.Encode(w, &tx.data)
}