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transactioncmd.go
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transactioncmd.go
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package core
import (
"crypto/ecdsa"
"encoding/json"
"fmt"
"math/big"
"strconv"
"strings"
"github.com/PlatONnetwork/PlatON-Go/cmd/utils"
"github.com/PlatONnetwork/PlatON-Go/common"
"github.com/PlatONnetwork/PlatON-Go/common/hexutil"
"github.com/PlatONnetwork/PlatON-Go/core/types"
"github.com/PlatONnetwork/PlatON-Go/rlp"
"gopkg.in/urfave/cli.v1"
)
var (
SendTransactionCmd = cli.Command{
Name: "sendTransaction",
Usage: "send a transaction",
Action: sendTransactionCmd,
Flags: sendTransactionCmdFlags,
}
SendRawTransactionCmd = cli.Command{
Name: "sendRawTransaction",
Usage: "send a raw transaction",
Action: sendRawTransactionCmd,
Flags: sendRawTransactionCmdFlags,
}
GetTxReceiptCmd = cli.Command{
Name: "getTxReceipt",
Usage: "get transaction receipt by hash",
Action: getTxReceiptCmd,
Flags: getTxReceiptCmdFlags,
}
)
func getTxReceiptCmd(c *cli.Context) {
hash := c.String(TransactionHashFlag.Name)
parseConfigJson(c.String(ConfigPathFlag.Name))
GetTxReceipt(hash)
}
func GetTxReceipt(txHash string) (Receipt, error) {
var receipt = Receipt{}
res, _ := Send([]string{txHash}, "platon_getTransactionReceipt")
e := json.Unmarshal([]byte(res), &receipt)
if e != nil {
panic(fmt.Sprintf("parse get receipt result error ! \n %s", e.Error()))
}
if receipt.Result.BlockHash == "" {
panic("no receipt found")
}
out, _ := json.MarshalIndent(receipt, "", " ")
fmt.Println(string(out))
return receipt, nil
}
func sendTransactionCmd(c *cli.Context) error {
from := c.String(TxFromFlag.Name)
to := c.String(TxToFlag.Name)
value := c.String(TransferValueFlag.Name)
parseConfigJson(c.String(ConfigPathFlag.Name))
hash, err := SendTransaction(from, to, value)
if err != nil {
utils.Fatalf("Send transaction error: %v", err)
}
fmt.Printf("tx hash: %s", hash)
return nil
}
func sendRawTransactionCmd(c *cli.Context) error {
from := c.String(TxFromFlag.Name)
to := c.String(TxToFlag.Name)
value := c.String(TransferValueFlag.Name)
pkFile := c.String(PKFilePathFlag.Name)
parseConfigJson(c.String(ConfigPathFlag.Name))
hash, err := SendRawTransaction(from, to, value, pkFile)
if err != nil {
utils.Fatalf("Send transaction error: %v", err)
}
fmt.Printf("tx hash: %s", hash)
return nil
}
func SendTransaction(from, to, value string) (string, error) {
var tx TxParams
if from == "" {
from = config.From
}
tx.From = from
tx.To = to
tx.Gas = config.Gas
tx.GasPrice = config.GasPrice
if !strings.HasPrefix(value, "0x") {
intValue, err := strconv.ParseInt(value, 10, 64)
if err != nil {
panic(fmt.Sprintf("transfer value to int error.%s", err))
}
value = hexutil.EncodeBig(big.NewInt(intValue))
}
tx.Value = value
params := make([]TxParams, 1)
params[0] = tx
res, _ := Send(params, "platon_sendTransaction")
response := parseResponse(res)
return response.Result, nil
}
func SendRawTransaction(from, to, value string, pkFilePath string) (string, error) {
if len(accountPool) == 0 {
parsePkFile(pkFilePath)
}
var v int64
var err error
if strings.HasPrefix(value, "0x") {
bigValue, _ := hexutil.DecodeBig(value)
v = bigValue.Int64()
} else {
v, err = strconv.ParseInt(value, 10, 64)
if err != nil {
panic(fmt.Sprintf("transfer value to int error.%s", err))
}
}
////
//
//for k, v := range accountPool {
// fmt.Println("acc", k.Hex())
// fmt.Println("value", fmt.Sprintf("%+v", v))
//}
acc, ok := accountPool[common.HexToAddress(from)]
if !ok {
return "", fmt.Errorf("private key not found in private key file,addr:%s", from)
}
nonce := getNonce(from)
nonce++
//// getBalance
//
//unlock := JsonParam{
// Jsonrpc: "2.0",
// Method: "personal_unlockAccount",
// // {"method": "platon_getBalance", "params": [account, pwd, expire]}
// // {"jsonrpc":"2.0", "method":"eth_getBalance","params":["0xde1e758511a7c67e7db93d1c23c1060a21db4615","latest"],"id":67}
// Params: []interface{}{from, "latest"},
// Id: 1,
//}
//
//// unlock
//s, e := HttpPost(unlock)
//if nil != e {
// fmt.Println("the gat balance err:", e)
//}
//fmt.Println("the balance:", s)
newTx := getSignedTransaction(from, to, v, acc.Priv, nonce)
hash, err := sendRawTransaction(newTx)
if err != nil {
panic(err)
}
return hash, nil
}
func sendRawTransaction(transaction *types.Transaction) (string, error) {
bytes, _ := rlp.EncodeToBytes(transaction)
res, err := Send([]string{hexutil.Encode(bytes)}, "platon_sendRawTransaction")
if err != nil {
panic(err)
}
response := parseResponse(res)
return response.Result, nil
}
func getSignedTransaction(from, to string, value int64, priv *ecdsa.PrivateKey, nonce uint64) *types.Transaction {
gas, _ := strconv.Atoi(config.Gas)
gasPrice, _ := new(big.Int).SetString(config.GasPrice, 10)
newTx, err := types.SignTx(types.NewTransaction(nonce, common.HexToAddress(to), big.NewInt(value), uint64(gas), gasPrice, []byte{}), types.NewEIP155Signer(new(big.Int).SetInt64(100)), priv)
if err != nil {
panic(fmt.Errorf("sign error,%s", err.Error()))
}
return newTx
}
func getNonce(addr string) uint64 {
res, _ := Send([]string{addr, "latest"}, "platon_getTransactionCount")
response := parseResponse(res)
nonce, _ := hexutil.DecodeBig(response.Result)
fmt.Println(addr, nonce)
return nonce.Uint64()
}