/
ethCli.go
165 lines (146 loc) · 4.48 KB
/
ethCli.go
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package ethereum
import (
"context"
"crypto/ecdsa"
"fmt"
"math/big"
"strings"
"github.com/33cn/plugin/plugin/dapp/cross2eth/contracts/erc20/generated"
"github.com/33cn/plugin/plugin/dapp/cross2eth/ebrelayer/utils"
"github.com/33cn/plugin/plugin/dapp/dex/boss/deploy/ethereum/offline"
"github.com/ethereum/go-ethereum/accounts/abi"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/core/types"
"github.com/ethereum/go-ethereum/crypto"
"github.com/ethereum/go-ethereum/ethclient"
"github.com/spf13/cobra"
)
func EthCmd() *cobra.Command {
cmd := &cobra.Command{
Use: "ethereum",
Short: "ethereumcake command",
}
cmd.AddCommand(
CakeCmd(),
FarmCmd(),
GetBalanceCmd(),
Erc20Cmd(),
)
return cmd
}
//Erc20Cmd
func Erc20Cmd() *cobra.Command {
cmd := &cobra.Command{
Use: "erc20",
Short: "deploy erc20 contract",
Run: deplayErc20,
}
DeployERC20Flags(cmd)
return cmd
}
func DeployERC20Flags(cmd *cobra.Command) {
cmd.Flags().StringP("owner", "c", "", "owner address")
_ = cmd.MarkFlagRequired("owner")
cmd.Flags().StringP("name", "n", "", "erc20 name")
_ = cmd.MarkFlagRequired("name")
cmd.Flags().StringP("symbol", "s", "", "erc20 symbol")
_ = cmd.MarkFlagRequired("symbol")
cmd.Flags().StringP("amount", "m", "0", "amount")
_ = cmd.MarkFlagRequired("amount")
cmd.Flags().StringP("key", "k", "", "private key")
_ = cmd.MarkFlagRequired("key")
cmd.Flags().Uint8P("decimals", "d", 18, "token decimals")
_ = cmd.MarkFlagRequired("decimals")
}
func deplayErc20(cmd *cobra.Command, args []string) {
rpcLaddr, _ := cmd.Flags().GetString("rpc_laddr")
owner, _ := cmd.Flags().GetString("owner")
name, _ := cmd.Flags().GetString("name")
symbol, _ := cmd.Flags().GetString("symbol")
amount, _ := cmd.Flags().GetString("amount")
decimals, _ := cmd.Flags().GetUint8("decimals")
key, _ := cmd.Flags().GetString("key")
fmt.Println("owner", owner, "name", name, "symbol:", symbol, "amount", amount)
priv, err := crypto.ToECDSA(common.FromHex(key))
if nil != err {
panic("Failed to recover private key")
}
deployFrom := crypto.PubkeyToAddress(priv.PublicKey)
client, err := ethclient.Dial(rpcLaddr)
if nil != err {
panic(err)
}
ctx := context.Background()
gasPrice, err := client.SuggestGasPrice(ctx)
if err != nil {
panic(err)
}
nonce, err := client.PendingNonceAt(ctx, deployFrom)
if nil != err {
fmt.Println("err:", err)
}
contractAddr := crypto.CreateAddress(deployFrom, nonce)
signedtx, hash, err := rewriteDeployErc20(owner, name, symbol, amount, decimals, nonce, gasPrice, priv)
if err != nil {
panic(err)
}
var tx = new(types.Transaction)
err = tx.UnmarshalBinary(common.FromHex(signedtx))
if err != nil {
panic(err)
}
err = client.SendTransaction(ctx, tx)
if nil != err {
fmt.Println("err:", err)
}
fmt.Println("success deploy erc20:", symbol, "contract,ContractAddress", contractAddr, "txhash:", hash)
}
func rewriteDeployErc20(owner, name, symbol, amount string, decimals uint8, nonce uint64, gasPrice *big.Int, key *ecdsa.PrivateKey) (signedTx, hash string, err error) {
erc20OwnerAddr := common.HexToAddress(owner)
bn := big.NewInt(1)
supply, ok := bn.SetString(utils.TrimZeroAndDot(amount), 10)
if !ok {
panic("amount format err")
}
parsed, err := abi.JSON(strings.NewReader(generated.ERC20ABI))
if err != nil {
return
}
erc20Bin := common.FromHex(generated.ERC20Bin)
packdata, err := parsed.Pack("", name, symbol, supply, erc20OwnerAddr, decimals)
if err != nil {
panic(err)
}
input := append(erc20Bin, packdata...)
var gasLimit = 100 * 10000
tx := types.NewContractCreation(nonce, big.NewInt(0), uint64(gasLimit), gasPrice, input)
return offline.SignTx(key, tx)
}
//GetBalanceCmd ...
func GetBalanceCmd() *cobra.Command {
cmd := &cobra.Command{
Use: "balance",
Short: "get owner's balance for ETH or ERC20",
Run: ShowBalance,
}
GetBalanceFlags(cmd)
return cmd
}
//GetBalanceFlags ...
func GetBalanceFlags(cmd *cobra.Command) {
cmd.Flags().StringP("owner", "o", "", "owner address")
_ = cmd.MarkFlagRequired("owner")
cmd.Flags().StringP("tokenAddr", "t", "", "token address, optional, nil for Eth")
}
//GetBalance ...
func ShowBalance(cmd *cobra.Command, args []string) {
owner, _ := cmd.Flags().GetString("owner")
tokenAddr, _ := cmd.Flags().GetString("tokenAddr")
ethNodeAddr, _ := cmd.Flags().GetString("rpc_laddr_ethereum")
setupWebsocketEthClient(ethNodeAddr)
balance, err := GetBalance(tokenAddr, owner)
if nil != err {
fmt.Println("err:", err.Error())
}
fmt.Println("balance =", balance)
}