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main.go
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main.go
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package main
import (
"fmt"
"math/big"
"os"
"processEvent/monitor"
"reflect"
"github.com/ethereum/go-ethereum/common"
"github.com/joho/godotenv"
"processEvent/contract"
)
var UniswapV2FactoryAbi = "[{\"inputs\":[{\"internalType\":\"address\",\"name\":\"_feeToSetter\",\"type\":\"address\"}],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"constructor\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"internalType\":\"address\",\"name\":\"token0\",\"type\":\"address\"},{\"indexed\":true,\"internalType\":\"address\",\"name\":\"token1\",\"type\":\"address\"},{\"indexed\":false,\"internalType\":\"address\",\"name\":\"pair\",\"type\":\"address\"},{\"indexed\":false,\"internalType\":\"uint256\",\"name\":\"len\",\"type\":\"uint256\"}],\"name\":\"PairCreated\",\"type\":\"event\"},{\"constant\":true,\"inputs\":[{\"internalType\":\"uint256\",\"name\":\"\",\"type\":\"uint256\"}],\"name\":\"allPairs\",\"outputs\":[{\"internalType\":\"address\",\"name\":\"\",\"type\":\"address\"}],\"payable\":false,\"stateMutability\":\"view\",\"type\":\"function\"},{\"constant\":true,\"inputs\":[],\"name\":\"allPairsLength\",\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"\",\"type\":\"uint256\"}],\"payable\":false,\"stateMutability\":\"view\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"internalType\":\"address\",\"name\":\"tokenA\",\"type\":\"address\"},{\"internalType\":\"address\",\"name\":\"tokenB\",\"type\":\"address\"}],\"name\":\"createPair\",\"outputs\":[{\"internalType\":\"address\",\"name\":\"pair\",\"type\":\"address\"}],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":true,\"inputs\":[],\"name\":\"feeTo\",\"outputs\":[{\"internalType\":\"address\",\"name\":\"\",\"type\":\"address\"}],\"payable\":false,\"stateMutability\":\"view\",\"type\":\"function\"},{\"constant\":true,\"inputs\":[],\"name\":\"feeToSetter\",\"outputs\":[{\"internalType\":\"address\",\"name\":\"\",\"type\":\"address\"}],\"payable\":false,\"stateMutability\":\"view\",\"type\":\"function\"},{\"constant\":true,\"inputs\":[{\"internalType\":\"address\",\"name\":\"\",\"type\":\"address\"},{\"internalType\":\"address\",\"name\":\"\",\"type\":\"address\"}],\"name\":\"getPair\",\"outputs\":[{\"internalType\":\"address\",\"name\":\"\",\"type\":\"address\"}],\"payable\":false,\"stateMutability\":\"view\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"internalType\":\"address\",\"name\":\"_feeTo\",\"type\":\"address\"}],\"name\":\"setFeeTo\",\"outputs\":[],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"internalType\":\"address\",\"name\":\"_feeToSetter\",\"type\":\"address\"}],\"name\":\"setFeeToSetter\",\"outputs\":[],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"}]"
var Address = "0x5C69bEe701ef814a2B6a3EDD4B1652CB9cc5aA6f"
var ws = "wss://eth-mainnet.g.alchemy.com/v2/"
var http = "https://eth-mainnet.g.alchemy.com/v2/"
func init() {
err := godotenv.Load()
if err != nil {
panic(err)
}
}
func main() {
key := os.Getenv("PRIKEY")
ws = ws + key
http = http + key
factory, err := contract.NewContract(common.HexToAddress(Address), UniswapV2FactoryAbi, http, ws)
if err != nil {
fmt.Printf("New Factory Contract error: %v\n", err)
panic(err)
}
go func() {
c := make(chan contract.Event)
factory.SubEvent("PairCreated", c, reflect.TypeOf(PairCreatedEvent{}))
listenPairCreated(c)
}()
factory.StartListen(17630533)
monitor.Serve()
select {}
}
type PairCreatedEvent struct {
Token0 common.Address
Token1 common.Address
Pair common.Address
Len *big.Int
}
func listenPairCreated(c chan contract.Event) {
for e := range c {
pe := e.Data.(*PairCreatedEvent)
fmt.Printf("token0:%v, token1:%v,pair:%v\n", pe.Token0, pe.Token1, pe.Pair)
}
}