Done the changes.

examples/simpleInvoke/go.work

@@ -0,0 +1,6 @@
+go 1.18
+
+use (
+	.
+	../..
+)

examples/simpleInvoke/main.go

@@ -34,24 +34,34 @@ func main() {
 		panic(err)
 	}
 	clientv02 := rpc.NewProvider(c)
-	account_address, _ := utils.HexToFelt(account_addr)
+	account_address, err := utils.HexToFelt(account_addr)
+	if err != nil {
+		panic(err.Error())
+	}
 	ks := starknetgo.NewMemKeystore()
 	fakePrivKeyBI, _ := new(big.Int).SetString(privateKey, 0)
+
 	ks.Put(public_key, fakePrivKeyBI)
 
 	fmt.Println("Established connection with the client")
 
-	maxfee, _ := utils.HexToFelt("0x9184e72a000")
+	maxfee, err := utils.HexToFelt("0x9184e72a000")
+	if err != nil {
+		panic(err.Error())
+	}
 
 	InvokeTx := rpc.InvokeTxnV1{
 		MaxFee:        maxfee,
 		Version:       rpc.TransactionV1,
-		Nonce:         new(felt.Felt).SetUint64(104), // You will have to modify this accordingly
+		Nonce:         new(felt.Felt).SetUint64(108), // You will have to modify this accordingly
 		Type:          rpc.TransactionType_Invoke,
 		SenderAddress: account_address,
 	}
 
-	contractAddress, _ := utils.HexToFelt(someContract)
+	contractAddress, err := utils.HexToFelt(someContract)
+	if err != nil {
+		panic(err.Error())
+	}
 
 	FnCall := rpc.FunctionCall{
 		ContractAddress:    contractAddress,
@@ -64,19 +74,11 @@ func main() {
 		panic(err.Error())
 	}
 	accnt.BuildInvokeTx(context.Background(), &InvokeTx, &[]rpc.FunctionCall{FnCall})
-	txHash, err := accnt.TransactionHashInvoke(InvokeTx)
-	if err != nil {
-		panic(err.Error())
-	}
-	fmt.Printf("TxHash :", txHash)
+
 	resp, err := accnt.AddInvokeTransaction(context.Background(), InvokeTx)
 	if err != nil {
 		panic(err.Error())
 	}
-	fmt.Printf("Response : ", resp)
+	fmt.Println("Response : ", resp)
 
 }
-
-// func main() {
-// 	ExecuteIncreaseValue()
-// }