public void GetTransactionInfoWorks()
{
var monitor = new HttpMonitor(Network.MainNet);
var transactionInfo = monitor.GetTransactionInfo("2d0a108be81fe0d807a0cdd65233158bac1642081033c21b379d776f278015a4");
Assert.True(transactionInfo.AllInOutsAdded);
Assert.True(transactionInfo.Confirmed);
Assert.Equal(transactionInfo.Network, Network.MainNet);
Assert.True(transactionInfo.Fee > 0);
Assert.True(transactionInfo.Inputs.Count > 10);
Assert.Equal(transactionInfo.TotalOutputAmount, 15m);
Assert.Equal(transactionInfo.Outputs.First().Address, "1EDt6Pe5psPLrAKmq7xawCFo9LxtKoJz7g");
}
private static void Part2Lesson1()
{
var network = Network.MainNet;
// HttpMonitor can monitor The Blockchain through HTTP (QBitNinja)
var httpMonitor = new HttpMonitor(network);
// Checking address balances
var balanceInfo = httpMonitor.GetAddressBalanceInfo("1ENCTCkqoJqy2XZ2m2Dy1bRax7hsSnC5Fc");
WriteLine($"Address balance: {balanceInfo.Balance}"); // 0,05474889
WriteLine($"Confirmed balance: {balanceInfo.Confirmed}"); // 0
WriteLine($"Unconfirmed balance: {balanceInfo.Unconfirmed}"); // 0,05474889
// Get history of an address
var history = httpMonitor.GetAddressHistory("1ENCTCkqoJqy2XZ2m2Dy1bRax7hsSnC5Fc");
WriteLine("Number of transactions: " + history.Records.Count);
// Exercise: are all transaction confirmed?
var allTransactionsConfirmed = true;
foreach (var record in history.Records)
{
WriteLine(record.TransactionId + " : " + record.Amount);
allTransactionsConfirmed = allTransactionsConfirmed && record.Confirmed;
}
WriteLine("All transactions are confirmed: " + allTransactionsConfirmed);
// Exercise: get the balance of the address
WriteLine("Total received - Total spent = Balance");
WriteLine(history.TotalReceived + " - " + history.TotalSpent + " = " +
(history.TotalReceived - history.TotalSpent));
// Get some data from the transaction
var transactionInfo1 = httpMonitor.GetTransactionInfo(history.Records.First().TransactionId);
WriteLine("txid: " + transactionInfo1.Id);
WriteLine("Network: " + transactionInfo1.Network);
WriteLine("Confirmed: " + transactionInfo1.Confirmed);
WriteLine("Total amount of all inputs: " + transactionInfo1.TotalInputAmount);
WriteLine("Total amount of all outputs: " + transactionInfo1.TotalOutputAmount);
WriteLine("Fee : " + transactionInfo1.Fee);
WriteLine(Environment.NewLine + "Input addresses and amounts: ");
foreach (var input in transactionInfo1.Inputs)
{
WriteLine(input.Amount + " " + input.Address);
}
WriteLine(Environment.NewLine + "Output addresses and amounts: ");
foreach (var output in transactionInfo1.Outputs)
{
WriteLine(output.Amount + " " + output.Address);
}
// Sometimes my API can't fully process a transaction, because it has OP_RETURN for example
// It should not be a concern for a Bitcoin wallet that purely handles money, if a transaction output or input has not been added
// that means it has some other purpose, a wallet API can dismiss it
// This tx is exotic (has OP_RETURN)
var transactionInfo2 =
httpMonitor.GetTransactionInfo("8bae12b5f4c088d940733dcd1455efc6a3a69cf9340e17a981286d3778615684");
WriteLine(transactionInfo2.Id);
WriteLine("There are exotic inputs or outputs, so not all of them have been added successfully: "
+ Environment.NewLine + !transactionInfo2.AllInOutsAdded);
}
public static void Send(ConnectionType connectionType, TransactionInfo transactionInfo, int tryTimes = 1)
{
var monitor = new HttpMonitor(transactionInfo.Network);
if (connectionType == ConnectionType.Http)
{
var client = new QBitNinjaClient(Convert.ToNBitcoinNetwork(transactionInfo.Network));
var transaction = FindTransaction(transactionInfo);
var broadcastResponse = client.Broadcast(transaction).Result;
if (!broadcastResponse.Success)
{
throw new Exception($"ErrorCode: {broadcastResponse.Error.ErrorCode}" + Environment.NewLine
+ broadcastResponse.Error.Reason);
}
}
if (connectionType == ConnectionType.RandomNode)
{
var parameters = new NodeConnectionParameters();
var group = new NodesGroup(Convert.ToNBitcoinNetwork(transactionInfo.Network), parameters, new NodeRequirement
{
RequiredServices = NodeServices.Nothing
})
{
MaximumNodeConnection = 1
};
group.Connect();
while (group.ConnectedNodes.Count == 0)
{
Thread.Sleep(100);
}
var transaction = FindTransaction(transactionInfo);
var payload = new TxPayload(transaction);
group.ConnectedNodes.First().SendMessage(payload);
}
for (var i = 0; i < 10; i++)
{
try
{
monitor.GetTransactionInfo(transactionInfo.Id);
}
catch (NullReferenceException exception)
{
if (exception.Message != "Transaction does not exists")
{
throw;
}
Thread.Sleep(1000);
continue;
}
if (i == 10)
{
if (tryTimes == 1)
{
throw new Exception("Transaction has not been broadcasted, try again!");
}
Send(connectionType, transactionInfo, tryTimes - 1);
}
break;
}
}
