using System;

using NBitcoin;         

using NBitcoin.Policy;

using System.Linq;

using QBitNinja.Client;

using QBitNinja.Client.Models;

​

​

public class Program

{

    protected static QBitNinjaClient QbitClient { get; private set; }

    public static void Main()

    {

        BitcoinSecret secret = new BitcoinSecret("KyJTjvFpPF6DDX4fnT56d2eATPfxjdUPXFFUb85psnCdh34iyXRQ");

        BitcoinSecret receiverAddress = new BitcoinSecret("cVm1fKZSSJvyQZai2vumiquzRWERPjTSGPe4XKq2hDUbSVeNvga4");

        Transaction aliceFunding = new Transaction()

        {

            Outputs =

            {

                new TxOut("0.45", secret.GetAddress()),

                new TxOut("0.8", secret.PubKey)

            }

        };

        Coin[] userCoins = aliceFunding

                        .Outputs

                        .Select((o, i) => new Coin(new OutPoint(aliceFunding.GetHash(), i), o))

                        .ToArray();

        long amountToSpend = 190L;

        long minerFees = 1000L;

        TransactionPolicyError[] errors;

        var txBuilder = new TransactionnbitcoiBuilder();

        var transactionToSpend = txBuilder

            .AddCoins(userCoins)

            .AddKeys(secret.PrivateKey)

            .Send(receiverAddress, Money.FromUnit(amountToSpend, MoneyUnit.Satoshi))

            .SendFees(Money.FromUnit(minerFees, MoneyUnit.Satoshi))

            .SetChange(secret.GetAddress())

            .BuildTransaction(true);

        Console.WriteLine(txBuilder.Verify(transactionToSpend, out errors));

        Console.WriteLine(transactionToSpend.ToHex());

        if (txBuilder.Verify(transactionToSpend, out errors))

                {

                    //var broadcastResponse = new QBitNinjaClient(Network.Main).Broadcast(transactionToSpend);

/*

                    Console.WriteLine(new 

                    {

                        ErrorCode = broadcastResponse.Error.ErrorCode.ToString(),

                        ErrorMessage = broadcastResponse.Error.Reason,

                        TransactionId = transactionToSpend.GetHash().ToString()

                    });

*/                }

    }

}