/
auxiliary.go
458 lines (382 loc) · 12 KB
/
auxiliary.go
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package ethtxs
import (
"context"
"errors"
"fmt"
"math/big"
"github.com/33cn/plugin/plugin/dapp/x2ethereum/ebrelayer/ethcontract/generated"
"github.com/33cn/plugin/plugin/dapp/x2ethereum/ebrelayer/ethinterface"
"github.com/33cn/plugin/plugin/dapp/x2ethereum/ebrelayer/events"
"github.com/ethereum/go-ethereum"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/core/types"
"github.com/ethereum/go-ethereum/crypto"
)
//NewProphecyClaimPara ...
type NewProphecyClaimPara struct {
ClaimType uint8
Chain33Sender []byte
TokenAddr common.Address
EthReceiver common.Address
Symbol string
Amount *big.Int
Txhash []byte
}
//CreateBridgeToken ...
func CreateBridgeToken(symbol string, client ethinterface.EthClientSpec, para *OperatorInfo, x2EthDeployInfo *X2EthDeployInfo, x2EthContracts *X2EthContracts) (string, error) {
if nil == para {
return "", errors.New("no operator private key configured")
}
//订阅事件
eventName := "LogNewBridgeToken"
bridgeBankABI := LoadABI(BridgeBankABI)
logNewBridgeTokenSig := bridgeBankABI.Events[eventName].ID.Hex()
query := ethereum.FilterQuery{
Addresses: []common.Address{x2EthDeployInfo.BridgeBank.Address},
}
// We will check logs for new events
logs := make(chan types.Log)
// Filter by contract and event, write results to logs
sub, err := client.SubscribeFilterLogs(context.Background(), query, logs)
if nil != err {
txslog.Error("CreateBrigeToken", "failed to SubscribeFilterLogs", err.Error())
return "", err
}
var prepareDone bool
defer func() {
if err != nil && prepareDone {
_, _ = revokeNonce(para.Address)
}
}()
//创建token
auth, err := PrepareAuth(client, para.PrivateKey, para.Address)
if nil != err {
return "", err
}
prepareDone = true
tx, err := x2EthContracts.BridgeBank.BridgeBankTransactor.CreateNewBridgeToken(auth, symbol)
if nil != err {
return "", err
}
sim, isSim := client.(*ethinterface.SimExtend)
if isSim {
fmt.Println("Use the simulator")
sim.Commit()
}
err = waitEthTxFinished(client, tx.Hash(), "CreateBridgeToken")
if nil != err {
return "", err
}
logEvent := &events.LogNewBridgeToken{}
select {
// Handle any errors
case err := <-sub.Err():
return "", err
// vLog is raw event data
case vLog := <-logs:
// Check if the event is a 'LogLock' event
if vLog.Topics[0].Hex() == logNewBridgeTokenSig {
txslog.Debug("CreateBrigeToken", "Witnessed new event", eventName, "Block number", vLog.BlockNumber)
err = bridgeBankABI.UnpackIntoInterface(logEvent, eventName, vLog.Data)
if nil != err {
return "", err
}
if symbol != logEvent.Symbol {
txslog.Error("CreateBrigeToken", "symbol", symbol, "logEvent.Symbol", logEvent.Symbol)
}
txslog.Info("CreateBrigeToken", "Witnessed new event", eventName, "Block number", vLog.BlockNumber, "token address", logEvent.Token.String())
break
}
}
return logEvent.Token.String(), nil
}
//CreateERC20Token ...
func CreateERC20Token(symbol string, client ethinterface.EthClientSpec, para *OperatorInfo) (string, error) {
if nil == para {
return "", errors.New("no operator private key configured")
}
var prepareDone bool
var err error
defer func() {
if err != nil && prepareDone {
_, _ = revokeNonce(para.Address)
}
}()
auth, err := PrepareAuth(client, para.PrivateKey, para.Address)
if nil != err {
return "", err
}
prepareDone = true
tokenAddr, tx, _, err := generated.DeployBridgeToken(auth, client, symbol)
if nil != err {
return "", err
}
err = waitEthTxFinished(client, tx.Hash(), "CreateERC20Token")
if nil != err {
return "", err
}
return tokenAddr.String(), nil
}
//MintERC20Token ...
func MintERC20Token(tokenAddr, ownerAddr string, amount *big.Int, client ethinterface.EthClientSpec, para *OperatorInfo) (string, error) {
if nil == para {
return "", errors.New("no operator private key configured")
}
var prepareDone bool
var err error
defer func() {
if err != nil && prepareDone {
_, _ = revokeNonce(para.Address)
}
}()
operatorAuth, err := PrepareAuth(client, para.PrivateKey, para.Address)
if nil != err {
return "", err
}
prepareDone = true
erc20TokenInstance, err := generated.NewBridgeToken(common.HexToAddress(tokenAddr), client)
if nil != err {
return "", err
}
tx, err := erc20TokenInstance.Mint(operatorAuth, common.HexToAddress(ownerAddr), amount)
if nil != err {
return "", err
}
err = waitEthTxFinished(client, tx.Hash(), "MintERC20Token")
if nil != err {
return "", err
}
return tx.Hash().String(), nil
}
//ApproveAllowance ...
func ApproveAllowance(ownerPrivateKeyStr, tokenAddr string, bridgeBank common.Address, amount *big.Int, client ethinterface.EthClientSpec) (string, error) {
ownerPrivateKey, err := crypto.ToECDSA(common.FromHex(ownerPrivateKeyStr))
if nil != err {
return "", err
}
ownerAddr := crypto.PubkeyToAddress(ownerPrivateKey.PublicKey)
var prepareDone bool
defer func() {
if err != nil && prepareDone {
_, _ = revokeNonce(ownerAddr)
}
}()
auth, err := PrepareAuth(client, ownerPrivateKey, ownerAddr)
if nil != err {
return "", err
}
prepareDone = true
erc20TokenInstance, err := generated.NewBridgeToken(common.HexToAddress(tokenAddr), client)
if nil != err {
return "", err
}
tx, err := erc20TokenInstance.Approve(auth, bridgeBank, amount)
if nil != err {
return "", err
}
err = waitEthTxFinished(client, tx.Hash(), "ApproveAllowance")
if nil != err {
return "", err
}
return tx.Hash().String(), nil
}
//Burn ...
func Burn(ownerPrivateKeyStr, tokenAddrstr, chain33Receiver string, bridgeBank common.Address, amount *big.Int, bridgeBankIns *generated.BridgeBank, client ethinterface.EthClientSpec) (string, error) {
ownerPrivateKey, err := crypto.ToECDSA(common.FromHex(ownerPrivateKeyStr))
if nil != err {
return "", err
}
ownerAddr := crypto.PubkeyToAddress(ownerPrivateKey.PublicKey)
var prepareDone bool
defer func() {
if err != nil && prepareDone {
_, _ = revokeNonce(ownerAddr)
}
}()
auth, err := PrepareAuth(client, ownerPrivateKey, ownerAddr)
if nil != err {
return "", err
}
prepareDone = true
tokenAddr := common.HexToAddress(tokenAddrstr)
tokenInstance, err := generated.NewBridgeToken(tokenAddr, client)
if nil != err {
return "", err
}
//chain33bank 是bridgeBank的基类,所以使用bridgeBank的地址
tx, err := tokenInstance.Approve(auth, bridgeBank, amount)
if nil != err {
return "", err
}
err = waitEthTxFinished(client, tx.Hash(), "Approve")
if nil != err {
return "", err
}
txslog.Info("Burn", "Approve tx with hash", tx.Hash().String())
prepareDone = false
auth, err = PrepareAuth(client, ownerPrivateKey, ownerAddr)
if nil != err {
return "", err
}
prepareDone = true
tx, err = bridgeBankIns.BurnBridgeTokens(auth, []byte(chain33Receiver), tokenAddr, amount)
if nil != err {
return "", err
}
err = waitEthTxFinished(client, tx.Hash(), "Burn")
if nil != err {
return "", err
}
return tx.Hash().String(), nil
}
//BurnAsync ...
func BurnAsync(ownerPrivateKeyStr, tokenAddrstr, chain33Receiver string, amount *big.Int, bridgeBankIns *generated.BridgeBank, client ethinterface.EthClientSpec) (string, error) {
ownerPrivateKey, err := crypto.ToECDSA(common.FromHex(ownerPrivateKeyStr))
if nil != err {
return "", err
}
ownerAddr := crypto.PubkeyToAddress(ownerPrivateKey.PublicKey)
var prepareDone bool
defer func() {
if err != nil && prepareDone {
_, _ = revokeNonce(ownerAddr)
}
}()
auth, err := PrepareAuth(client, ownerPrivateKey, ownerAddr)
if nil != err {
return "", err
}
prepareDone = true
tokenAddr := common.HexToAddress(tokenAddrstr)
tx, err := bridgeBankIns.BurnBridgeTokens(auth, []byte(chain33Receiver), tokenAddr, amount)
if nil != err {
return "", err
}
return tx.Hash().String(), nil
}
//TransferToken ...
func TransferToken(tokenAddr, fromPrivateKeyStr, toAddr string, amount *big.Int, client ethinterface.EthClientSpec) (string, error) {
tokenInstance, err := generated.NewBridgeToken(common.HexToAddress(tokenAddr), client)
if nil != err {
return "", err
}
var prepareDone bool
fromPrivateKey, err := crypto.ToECDSA(common.FromHex(fromPrivateKeyStr))
if nil != err {
return "", err
}
fromAddr := crypto.PubkeyToAddress(fromPrivateKey.PublicKey)
defer func() {
if err != nil && prepareDone {
_, _ = revokeNonce(fromAddr)
}
}()
auth, err := PrepareAuth(client, fromPrivateKey, fromAddr)
if nil != err {
return "", err
}
prepareDone = true
tx, err := tokenInstance.Transfer(auth, common.HexToAddress(toAddr), amount)
if nil != err {
return "", err
}
err = waitEthTxFinished(client, tx.Hash(), "TransferFromToken")
if nil != err {
return "", err
}
return tx.Hash().String(), nil
}
//LockEthErc20Asset ...
func LockEthErc20Asset(ownerPrivateKeyStr, tokenAddrStr, chain33Receiver string, amount *big.Int, client ethinterface.EthClientSpec, bridgeBank *generated.BridgeBank, bridgeBankAddr common.Address) (string, error) {
var prepareDone bool
txslog.Info("LockEthErc20Asset", "ownerPrivateKeyStr", ownerPrivateKeyStr, "tokenAddrStr", tokenAddrStr, "chain33Receiver", chain33Receiver, "amount", amount.String())
ownerPrivateKey, err := crypto.ToECDSA(common.FromHex(ownerPrivateKeyStr))
if nil != err {
return "", err
}
ownerAddr := crypto.PubkeyToAddress(ownerPrivateKey.PublicKey)
defer func() {
if err != nil && prepareDone {
_, _ = revokeNonce(ownerAddr)
}
}()
//ETH转账,空地址,且设置value
var tokenAddr common.Address
if "" != tokenAddrStr {
//如果是eth以外的erc20,则需要先进行approve操作
tokenAddr = common.HexToAddress(tokenAddrStr)
tokenInstance, err := generated.NewBridgeToken(tokenAddr, client)
if nil != err {
return "", err
}
auth, err := PrepareAuth(client, ownerPrivateKey, ownerAddr)
if nil != err {
txslog.Error("LockEthErc20Asset", "PrepareAuth err", err.Error())
return "", err
}
prepareDone = true
//chain33bank 是bridgeBank的基类,所以使用bridgeBank的地址
tx, err := tokenInstance.Approve(auth, bridgeBankAddr, amount)
if nil != err {
return "", err
}
err = waitEthTxFinished(client, tx.Hash(), "Approve")
if nil != err {
return "", err
}
txslog.Info("LockEthErc20Asset", "Approve tx with hash", tx.Hash().String())
}
prepareDone = false
auth, err := PrepareAuth(client, ownerPrivateKey, ownerAddr)
if nil != err {
txslog.Error("LockEthErc20Asset", "PrepareAuth err", err.Error())
return "", err
}
prepareDone = true
if "" == tokenAddrStr {
auth.Value = amount
}
tx, err := bridgeBank.Lock(auth, []byte(chain33Receiver), tokenAddr, amount)
if nil != err {
txslog.Error("LockEthErc20Asset", "lock err", err.Error())
return "", err
}
err = waitEthTxFinished(client, tx.Hash(), "LockEthErc20Asset")
if nil != err {
txslog.Error("LockEthErc20Asset", "waitEthTxFinished err", err.Error())
return "", err
}
return tx.Hash().String(), nil
}
//LockEthErc20AssetAsync ...
func LockEthErc20AssetAsync(ownerPrivateKeyStr, tokenAddrStr, chain33Receiver string, amount *big.Int, client ethinterface.EthClientSpec, bridgeBank *generated.BridgeBank) (string, error) {
txslog.Info("LockEthErc20AssetAsync", "ownerPrivateKeyStr", ownerPrivateKeyStr, "tokenAddrStr", tokenAddrStr, "chain33Receiver", chain33Receiver, "amount", amount.String())
ownerPrivateKey, err := crypto.ToECDSA(common.FromHex(ownerPrivateKeyStr))
if nil != err {
return "", err
}
ownerAddr := crypto.PubkeyToAddress(ownerPrivateKey.PublicKey)
auth, err := PrepareAuth(client, ownerPrivateKey, ownerAddr)
if nil != err {
txslog.Error("LockEthErc20AssetAsync", "PrepareAuth err", err.Error())
return "", err
}
//ETH转账,空地址,且设置value
var tokenAddr common.Address
if "" == tokenAddrStr {
auth.Value = amount
}
if "" != tokenAddrStr {
tokenAddr = common.HexToAddress(tokenAddrStr)
}
tx, err := bridgeBank.Lock(auth, []byte(chain33Receiver), tokenAddr, amount)
if nil != err {
txslog.Error("LockEthErc20AssetAsync", "lock err", err.Error())
_, err = revokeNonce(ownerAddr)
if err != nil {
return "", err
}
return "", err
}
return tx.Hash().String(), nil
}