fix

Author: NullpointerW

cmd.go

@@ -7,10 +7,9 @@ import (
 	"strconv"
 )
 
-//var (
-//	WallNum int
-//	Val     string
-//)
+var (
+	Endpoint string
+)
 
 var ethwt = &cobra.Command{
 	Use:   "ethwt",
@@ -60,8 +59,7 @@ var pa = &cobra.Command{
 }
 
 func init() {
-	//tx.Flags().StringVarP(&Val, "val", "v", "0", "Value amount of ETH for each transfer")
-	//gen.Flags().IntVarP(&WallNum, "walletNum", "n", 1, "The number of wallets generated")
+	tx.Flags().StringVarP(&Endpoint, "endpoint", "edp", "https://ethereum.publicnode.com", "Network rpc endpoint")
 	ethwt.AddCommand(tx, gen, pa)
 }
 

pkg/tx/transfer.go

@@ -72,8 +72,12 @@ func Transfer(pk string, to string, val string, data []byte, ec *ethclient.Clien
 		return "", err
 	}
 	fmt.Println("maxPriorityFeePerGas:", gasTipCap, "GasFeeCap:", maxFeePerGas, "Gas:", estimatedGas)
+	cid, err := ec.ChainID(context.Background())
+	if err != nil {
+		return "", fmt.Errorf("get chainID error:%w", err)
+	}
 	tx := &types.DynamicFeeTx{
-		ChainID:   big.NewInt(1),
+		ChainID:   cid,
 		Nonce:     nonce,
 		GasTipCap: gasTipCap,    // maxPriorityFeePerGas
 		GasFeeCap: maxFeePerGas, // max Fee

transfer.go

@@ -19,7 +19,7 @@ type TxRecord struct {
 }
 
 func Transfer(val string) {
-	ec, err := ethclient.Dial("https://ethereum.publicnode.com")
+	ec, err := ethclient.Dial(Endpoint)
 	if err != nil {
 		fmt.Printf("Failed to connect to the Ethereum client: %v", err)
 	}

transfer_test.go

@@ -3,5 +3,5 @@ package main
 import "testing"
 
 func TestTransfer(t *testing.T) {
-	Transfer("0.0001")
+	Transfer("0.002")
 }