public void TestOutputs()
{
var outputs = new Outputs(_daemonClient);
// setup the outputs based on the sample.
double blockReward = 5000000000; // the amount rewarded by the block.
// sample recipient
const string recipient = "mrwhWEDnU6dUtHZJ2oBswTpEdbBHgYiMji";
var amount = blockReward * 0.01;
blockReward -= amount;
outputs.AddRecipient(recipient, amount);
// sample pool wallet
const string poolWallet = "mk8JqN1kNWju8o3DXEijiJyn7iqkwktAWq";
outputs.AddPool(poolWallet, blockReward);
// test the recipient rewards
outputs.List.Last().Value.Should().Equal((UInt64)0x0000000002faf080); // packInt64LE: 80f0fa0200000000
outputs.List.Last().PublicKeyScriptLenght.Should().Equal(new byte[] { 0x19 });
outputs.List.Last().PublicKeyScript.ToHexString().Should().Equal("76a9147d576fbfca48b899dc750167dd2a2a6572fff49588ac");
// test the pool wallet
outputs.List.First().Value.Should().Equal((UInt64)0x00000001270b0180); // packInt64LE: 80010b2701000000
outputs.List.First().PublicKeyScriptLenght.Should().Equal(new byte[] { 0x19 });
outputs.List.First().PublicKeyScript.ToHexString().Should().Equal("76a914329035234168b8da5af106ceb20560401236849888ac");
// test the outputs buffer.
outputs.GetBuffer().ToHexString().Should().Equal("0280010b27010000001976a914329035234168b8da5af106ceb20560401236849888ac80f0fa02000000001976a9147d576fbfca48b899dc750167dd2a2a6572fff49588ac");
}
/// <summary>
/// Creates a new instance of generation transaction.
/// </summary>
/// <param name="extraNonce">The extra nonce.</param>
/// <param name="daemonClient">The daemon client.</param>
/// <param name="blockTemplate">The block template.</param>
/// <param name="supportTxMessages">if set to <c>true</c> [support tx messages].</param>
/// <remarks>
/// Reference implementations:
/// https://github.com/zone117x/node-stratum-pool/blob/b24151729d77e0439e092fe3a1cdbba71ca5d12e/lib/transactions.js
/// https://github.com/Crypto-Expert/stratum-mining/blob/master/lib/coinbasetx.py
/// </remarks>
public GenerationTransaction(IExtraNonce extraNonce, IDaemonClient daemonClient, IBlockTemplate blockTemplate, bool supportTxMessages = false)
{
DaemonClient = daemonClient;
BlockTemplate = blockTemplate;
ExtraNonce = extraNonce;
SupportTxMessages = supportTxMessages;
Version = (UInt32)(supportTxMessages ? 2 : 1);
Message = Serializers.SerializeString("https://github.com/CoiniumServ/CoiniumServ");
LockTime = 0;
// transaction inputs
Inputs = new List<TxIn>
{
new TxIn
{
PreviousOutput = new OutPoint
{
Hash = Hash.ZeroHash,
Index = (UInt32) Math.Pow(2, 32) - 1
},
Sequence = 0x0,
SignatureScript =
new SignatureScript(
blockTemplate.Height,
blockTemplate.CoinBaseAux.Flags,
TimeHelpers.NowInUnixTime(),
(byte) extraNonce.ExtraNoncePlaceholder.Length,
"/CoiniumServ/")
}
};
// transaction outputs
Outputs = new Outputs(daemonClient);
double blockReward = BlockTemplate.Coinbasevalue; // the amount rewarded by the block.
const string poolWallet = "n3Mvrshbf4fMoHzWZkDVbhhx4BLZCcU9oY"; // pool's central wallet address.
var rewardRecipients = new Dictionary<string, double> // reward recipients addresses.
{
{"myxWybbhUkGzGF7yaf2QVNx3hh3HWTya5t", 1} // pool fee
};
// generate output transactions for recipients (set in config).
foreach (var pair in rewardRecipients)
{
var amount = blockReward * pair.Value / 100; // calculate the amount he recieves based on the percent of his shares.
blockReward -= amount;
Outputs.AddRecipient(pair.Key, amount);
}
// send the remaining coins to pool's central wallet.
Outputs.AddPool(poolWallet, blockReward);
}