kaspad/cmd/kaspawallet/broadcast.go

package main

import (
	"context"
	"encoding/hex"
	"fmt"
	"github.com/kaspanet/kaspad/cmd/kaspawallet/daemon/client"
	"github.com/kaspanet/kaspad/cmd/kaspawallet/daemon/pb"
	"github.com/pkg/errors"
	"io/ioutil"
	"strings"
)

func broadcast(conf *broadcastConfig) error {
	daemonClient, tearDown, err := client.Connect(conf.DaemonAddress)
	if err != nil {
		return err
	}
	defer tearDown()

	ctx, cancel := context.WithTimeout(context.Background(), daemonTimeout)
	defer cancel()

	if conf.Transaction == "" && conf.TransactionFile == "" {
		return errors.Errorf("Either --transaction or --transaction-file is required")
	}
	if conf.Transaction != "" && conf.TransactionFile != "" {
		return errors.Errorf("Both --transaction and --transaction-file cannot be passed at the same time")
	}

	transactionHex := conf.Transaction
	if conf.TransactionFile != "" {
		transactionHexBytes, err := ioutil.ReadFile(conf.TransactionFile)
		if err != nil {
			return errors.Wrapf(err, "Could not read hex from %s", conf.TransactionFile)
		}
		transactionHex = strings.TrimSpace(string(transactionHexBytes))
	}

	transaction, err := hex.DecodeString(transactionHex)
	if err != nil {
		return err
	}

	response, err := daemonClient.Broadcast(ctx, &pb.BroadcastRequest{Transaction: transaction})
	if err != nil {
		return err
	}

	fmt.Println("Transaction was sent successfully")
	fmt.Printf("Transaction ID: \t%s\n", response.TxID)

	return nil
}