static void Main(string[] args)
{
BitcoinSecret secret = new BitcoinSecret("cTfANynUR2MCPC8uBpfo2yUfAzX5PucDNuXaJ8jXT8CpQDgvfUNr", Network);
BitcoinAddress address = new BitcoinAddress("n2upyU7axtvHHhAPTMvdaRSkP5Mjufoffx", Network);
BlockrTransactionRepository blockr = new BlockrTransactionRepository(Network);
List<Coin> unspentCoins = blockr.GetUnspentAsync(secret.GetAddress().ToString(), true).Result;
TransactionBuilder builder = new TransactionBuilder();
builder.AddKeys(secret);
builder.AddCoins(unspentCoins);
builder.Send(address, Money.Coins(0.005m));
builder.SendFees(Money.Coins(0.00001m));
builder.SetChange(secret.ScriptPubKey);
Transaction tx = builder.BuildTransaction(true);
if (builder.Verify(tx))
SendTransaction(tx);
}
/// <summary>
/// Records a database anchor.
/// </summary>
/// <param name="anchor">The anchor to be recorded.</param>
/// <returns>The task object representing the asynchronous operation.</returns>
public async Task RecordAnchor(LedgerAnchor anchor)
{
byte[] anchorPayload =
anchorMarker
.Concat(BitConverter.GetBytes((ulong)anchor.TransactionCount).Reverse())
.Concat(anchor.FullStoreHash.ToByteArray())
.ToArray();
using (HttpClient client = new HttpClient())
{
BitcoinAddress address = this.publishingAddress.ScriptPubKey.GetDestinationAddress(this.network);
HttpResponseMessage response = await client.GetAsync(new Uri(url, $"addresses/{address.ToString()}/unspents"));
response.EnsureSuccessStatusCode();
string body = await response.Content.ReadAsStringAsync();
JArray outputs = JArray.Parse(body);
TransactionBuilder builder = new TransactionBuilder();
builder.AddKeys(publishingAddress.GetBitcoinSecret(network));
foreach (JObject output in outputs)
{
string transactionHash = (string)output["transaction_hash"];
uint outputIndex = (uint)output["output_index"];
long amount = (long)output["value"];
builder.AddCoins(new Coin(uint256.Parse(transactionHash), outputIndex, new Money(amount), publishingAddress.ScriptPubKey));
}
Script opReturn = new Script(OpcodeType.OP_RETURN, Op.GetPushOp(anchorPayload));
builder.Send(opReturn, 0);
builder.SendFees(satoshiFees);
builder.SetChange(this.publishingAddress.ScriptPubKey, ChangeType.All);
ByteString seriazliedTransaction = new ByteString(builder.BuildTransaction(true).ToBytes());
await SubmitTransaction(seriazliedTransaction);
}
}
public async Task<ByteString> IssueWithdrawal(IList<OutboundTransaction> transactions)
{
HttpClient client = new HttpClient();
BitcoinAddress address = storageKey.ScriptPubKey.GetDestinationAddress(this.Network);
HttpResponseMessage response = await client.GetAsync(new Uri(url, $"addresses/{address.ToString()}/unspents"));
string body = await response.Content.ReadAsStringAsync();
JArray outputs = JArray.Parse(body);
TransactionBuilder builder = new TransactionBuilder();
builder.AddKeys(storageKey.GetBitcoinSecret(Network));
foreach (JObject output in outputs)
{
string transactionHash = (string)output["transaction_hash"];
uint outputIndex = (uint)output["output_index"];
long amount = (long)output["value"];
builder.AddCoins(new Coin(uint256.Parse(transactionHash), outputIndex, new Money(amount), storageKey.ScriptPubKey));
}
foreach (OutboundTransaction outboundTransaction in transactions)
{
builder.Send(BitcoinAddress.Create(outboundTransaction.Target, Network).ScriptPubKey, new Money(outboundTransaction.Amount));
}
builder.SendFees(defaultFees);
builder.SetChange(storageKey.ScriptPubKey, ChangeType.All);
NBitcoin.Transaction transaction = builder.BuildTransaction(true);
return new ByteString(transaction.ToBytes());
}
