How to achieve TRC20 transfer

[wangrizhao]

No description provided.

[chernyshev]

   fromAddress := "..."
   toAddress := "..."
   contractAddress := "TR7NHqjeKQxGTCi8q8ZY4pL8otSzgjLj6t" // Tether USDT contract address
   amount := big.NewInt(1000000)                           // 1 USDT
   feeLimit := int64(1000000000)

   tx, err = s.client.TRC20Send(fromAddress, toAddress, contractAddress, amount, feeLimit)
   fmt.Println(tx)

[blackcats1999]

tronClient.Broadcast(userSignedTx) sends a transaction and gets a receipt {"result":true}, which confirms that the transaction is successful, but does not get the correct transaction hash. Is this normal?

[69tc]

`
rawData, err := proto.Marshal(tx.Transaction.GetRawData())
if err != nil {
return "", errors.Wrap(err, "proto.Marshal")
}
h256h := sha256.New()
h256h.Write(rawData)
hash := h256h.Sum(nil)

privateKeyBytes, _ := hex.DecodeString(senderPrivKey)
sk, _ := btcec.PrivKeyFromBytes(privateKeyBytes)

signature, err := crypto.Sign(hash, sk.ToECDSA())
if err != nil {
	return "", errors.Wrap(err, "crypto.Sign")
}
txInfo.Transaction.Signature = append(tx.Transaction.Signature, signature)

result, err := e.RpcClient.Broadcast(tx.Transaction)

if err != nil {
	return "", errors.Wrap(err, "e.RpcClient.Broadcast")
}
if result == nil {
	return "", errors.New("e.RpcClient.Broadcast result nil")
}

return strings.TrimLeft(common.BytesToHexString(txInfo.GetTxid()), "0x"), nil`