Exemple #1
0
// SignRawTransaction2Async returns an instance of a type that can be used to
// get the result of the RPC at some future time by invoking the Receive
// function on the returned instance.
//
// See SignRawTransaction2 for the blocking version and more details.
func (c *Client) SignRawTransaction2Async(tx *btcwire.MsgTx, inputs []btcjson.RawTxInput) FutureSignRawTransactionResult {
	txHex := ""
	if tx != nil {
		// Serialize the transaction and convert to hex string.
		buf := bytes.NewBuffer(make([]byte, 0, tx.SerializeSize()))
		if err := tx.Serialize(buf); err != nil {
			return newFutureError(err)
		}
		txHex = hex.EncodeToString(buf.Bytes())
	}

	id := c.NextID()
	cmd, err := btcjson.NewSignRawTransactionCmd(id, txHex, inputs)
	if err != nil {
		return newFutureError(err)
	}

	return c.sendCmd(cmd)
}
Exemple #2
0
// makeSignRawTransaction generates the cmd structure for signrawtransaction commands.
func makeSignRawTransaction(args []interface{}) (btcjson.Cmd, error) {
	optArgs := make([]interface{}, 0, 3)
	if len(args) > 1 {
		var inputs []btcjson.RawTxInput
		err := json.Unmarshal([]byte(args[1].(string)), &inputs)
		if err != nil {
			return nil, err
		}
		optArgs = append(optArgs, inputs)
	}
	if len(args) > 2 {
		var inputs []string
		err := json.Unmarshal([]byte(args[2].(string)), &inputs)
		if err != nil {
			return nil, err
		}
		optArgs = append(optArgs, inputs)
	}
	if len(args) > 3 {
		optArgs = append(optArgs, args[3])
	}
	return btcjson.NewSignRawTransactionCmd("btcctl", args[0].(string), optArgs...)
}