public static string Transfer(String fromAddress, Int64 amount, String toAddress, String assetId, String senderWifKey)
{
NBitcoin.Network network = NBitcoin.Network.TestNet;
NBitcoin.BitcoinSecret _key = NBitcoin.Network.TestNet.CreateBitcoinSecret(senderWifKey);
//Get bitcoin balance, 0.0006 is required
Decimal fundingBalance = 0;
const Decimal BITCOIN_TRANSACTION_FEE = 0.00006M;
NBitcoin.BitcoinAddress bitcoinToAddress = new BitcoinAddress(toAddress);
NBitcoin.BitcoinAddress bitcoinFromAddress = new BitcoinAddress(fromAddress);
//UTXOS
CoinPrism txRepo = new CoinPrism(true);
var ccutoxs = txRepo.GetTransactions(fromAddress);
var utxos = txRepo.Get(fromAddress).Where(ux => ux.value > 10000).ToList();
//hard coded, worked
//transaction_hash
//var coin = new Coin(fromTxHash: new uint256("f131c91b3ce35f83258a3db54f5547daecc2a61142f598a39a8491ed2844eb28"),
// fromOutputIndex: 0,
// amount: Money.Satoshis(3000), //20000
// scriptPubKey: new Script(Encoders.Hex.DecodeData("76a914b9ad2f3f358c24ec207abf72125790e67301284488ac")));
//var forfees = new Coin(fromTxHash: new uint256("a86a907f36071754ff4fdc4e27de4ec92272f239de5236af5f4806133ac66d0f"),
// fromOutputIndex: 0,
// amount: Money.Satoshis(97322000), //9957600
// scriptPubKey: new Script(Encoders.Hex.DecodeData("76a914b9ad2f3f358c24ec207abf72125790e67301284488ac")));
//Coin from Bob
var coin = new Coin(fromTxHash: new uint256("dc19133d57bf9013d898bd89198069340d8ca99d71f0d5f6c6e142d724a9ba92"),
fromOutputIndex: 0,
amount: Money.Satoshis(600), //20000
scriptPubKey: BitcoinAddress.Create("mxSimcis5yCPkBaFZ7ZrJ7fsPqLXatxTax").ScriptPubKey);
//Coin from Alice
var forfees = new Coin(fromTxHash: new uint256("b4326462d6d3b522d7e2c06d9c904313f546395eb62661b06b57195691f5fe5f"),
fromOutputIndex: 1,
amount: Money.Coins(1m), //9957600
scriptPubKey: BitcoinAddress.Create("muJjaSHk99LGMnaFduU9b3pWHdT1ZRPASF").ScriptPubKey);
//var coin = new Coin(fromTxHash: new uint256(utxos[0].transaction_hash),
// fromOutputIndex: utxos[0].output_index,
// amount: Money.Satoshis(60000), //20000
// scriptPubKey: new Script(Encoders.Hex.DecodeData(utxos[0].script_hex)));
//var forfees = new Coin(fromTxHash: new uint256(utxos[1].transaction_hash),
// fromOutputIndex: utxos[1].output_index,
// amount: Money.Satoshis(60000), //20000
// scriptPubKey: new Script(Encoders.Hex.DecodeData(utxos[1].script_hex)));
BitcoinAssetId assetIdx = new BitcoinAssetId(assetId, Network.TestNet);
var alice = NBitcoin.BitcoinAddress.Create(toAddress, NBitcoin.Network.TestNet);
ulong u = Convert.ToUInt64(amount);
ColoredCoin colored = coin.ToColoredCoin(assetIdx, u);
//var satoshi = Key.Parse(, Network.TestNet);
string aliceWIF = "cPKW4EsFiPeczwHeSCgo4GTzm4T291Xb6sLGi1HoroXkiqGcGgsH";
var satoshi = Key.Parse(aliceWIF, Network.TestNet);
;
var bobKey = new BitcoinSecret("cMdLBsUCQ92VSRmqfEL4TgJCisWpjVBd8GsP2mAmUZxQ9bh5E7CN");
var aliceKey = new BitcoinSecret("cPKW4EsFiPeczwHeSCgo4GTzm4T291Xb6sLGi1HoroXkiqGcGgsH");
var txBuilder = new TransactionBuilder();
var tx = txBuilder
.AddKeys(bobKey,aliceKey)
.AddCoins(forfees, colored)
.SendAsset(alice, new AssetMoney(assetIdx, u))
//.SendAsset(satoshi.PubKey, new NBitcoin.OpenAsset.AssetMoney(assetIdx, u))
.SetChange(bitcoinFromAddress)
.SendFees(Money.Coins(0.001m))
.BuildTransaction(true);
var ok = txBuilder.Verify(tx);
Submit(tx);
return "ok";
}
public EncryptedKeyResult(BitcoinEncryptedSecretEC key, BitcoinAddress address, byte[] seed, Func<BitcoinConfirmationCode> calculateConfirmation)
{
_EncryptedKey = key;
_GeneratedAddress = address;
_CalculateConfirmation = calculateConfirmation;
_Seed = seed;
}
public void Lesson3()
{
Script scriptPubKey = new Script("OP_DUP OP_HASH160 46859ffeab7acb63417674ab3a8f4a187f386cae OP_EQUALVERIFY OP_CHECKSIG");
KeyId hash = (KeyId)scriptPubKey.GetDestination();
Console.WriteLine("Public Key Hash: {0}", hash);
BitcoinAddress address = new BitcoinAddress(hash, Network.Main);
Console.WriteLine("Bitcoin Address: {0}", address);
}
public bool Check(string passphrase, BitcoinAddress expectedAddress)
{
//Derive passfactor using scrypt with ownerentropy and the user's passphrase and use it to recompute passpoint
byte[] passfactor = BitcoinEncryptedSecretEC.CalculatePassFactor(passphrase, LotSequence, OwnerEntropy);
//Derive decryption key for pointb using scrypt with passpoint, addresshash, and ownerentropy
byte[] passpoint = BitcoinEncryptedSecretEC.CalculatePassPoint(passfactor);
byte[] derived = BitcoinEncryptedSecretEC.CalculateDecryptionKey(passpoint, AddressHash, OwnerEntropy);
//Decrypt encryptedpointb to yield pointb
var pointbprefix = EncryptedPointB[0];
pointbprefix = (byte)(pointbprefix ^ (byte)(derived[63] & (byte)0x01));
//Optional since ArithmeticException will catch it, but it saves some times
if(pointbprefix != 0x02 && pointbprefix != 0x03)
return false;
var pointb = BitcoinEncryptedSecret.DecryptKey(EncryptedPointB.Skip(1).ToArray(), derived);
pointb = new byte[] { pointbprefix }.Concat(pointb).ToArray();
//4.ECMultiply pointb by passfactor. Use the resulting EC point as a public key
var curve = ECKey.Secp256k1;
ECPoint pointbec;
try
{
pointbec = curve.Curve.DecodePoint(pointb);
}
catch(ArgumentException)
{
return false;
}
catch(ArithmeticException)
{
return false;
}
PubKey pubkey = new PubKey(pointbec.Multiply(new BigInteger(1, passfactor)).GetEncoded());
//and hash it into address using either compressed or uncompressed public key methodology as specifid in flagbyte.
pubkey = IsCompressed ? pubkey.Compress() : pubkey.Decompress();
var actualhash = BitcoinEncryptedSecretEC.HashAddress(pubkey.GetAddress(Network));
var expectedhash = BitcoinEncryptedSecretEC.HashAddress(expectedAddress);
return Utils.ArrayEqual(actualhash, expectedhash);
}
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>
/// Extract P2SH or P2PH address from scriptSig
/// </summary>
/// <param name="network"></param>
/// <returns></returns>
public BitcoinAddress GetSignerAddress(Network network)
{
var sig = GetSigner();
return(sig == null ? null : BitcoinAddress.Create(sig, network));
}
public BitcoinColoredAddress(BitcoinAddress address)
:base(Build(address),address.Network)
{
}
/// <summary>
/// Code as per nic
/// </summary>
/// <param name="fromAddress"></param>
/// <param name="amount"></param>
/// <param name="toAddress"></param>
/// <param name="assetId"></param>
/// <param name="senderWifKey"></param>
/// <returns></returns>
public static string TransferAsFromNic(String fromAddress, Int64 amount, String toAddress, String assetId, String senderWifKey)
{
NBitcoin.Network network = NBitcoin.Network.TestNet;
NBitcoin.BitcoinSecret _key = NBitcoin.Network.TestNet.CreateBitcoinSecret(senderWifKey);
NBitcoin.BitcoinAddress bitcoinToAddress = new BitcoinAddress(toAddress);
NBitcoin.BitcoinAddress bitcoinFromAddress = new BitcoinAddress(fromAddress);
//UTXOS
CoinPrism txRepo = new CoinPrism(true);
//Get a UTXO to fund. Make sure its large enough, order by size. Maybe order by date?
var fundingUTXO = txRepo.GetUnspent(fromAddress).Where(ux => ux.value > 10000).OrderByDescending(o => o.value).First();
var ccutoxs = txRepo.GetTransactions(fromAddress);
//Find output which contains an incoming asset
var assetOutput = ccutoxs.FirstOrDefault(i => i.outputs.Any(o => o.asset_id == assetId)).outputs.FirstOrDefault(o => o.asset_id == assetId);
var coin_nic = new Coin(fromTxHash: new uint256("dc19133d57bf9013d898bd89198069340d8ca99d71f0d5f6c6e142d724a9ba92"),
fromOutputIndex: 0,
amount: Money.Satoshis(600), //default fee
scriptPubKey: BitcoinAddress.Create("mxSimcis5yCPkBaFZ7ZrJ7fsPqLXatxTax").ScriptPubKey);
if (1 == 2)
{
//Find the coin bob sent
//Coin from Bob
//Coin from Alice
var forfees_nic = new Coin(fromTxHash: new uint256("b4326462d6d3b522d7e2c06d9c904313f546395eb62661b06b57195691f5fe5f"),
fromOutputIndex: 1,
amount: Money.Coins(1m), //9957600
scriptPubKey: BitcoinAddress.Create("muJjaSHk99LGMnaFduU9b3pWHdT1ZRPASF").ScriptPubKey);
}
//Colour coin utxo that was sent
var coin = new Coin(fromTxHash: new uint256(assetOutput.transaction_hash),
fromOutputIndex: Convert.ToUInt32(assetOutput.index),
amount: Money.Satoshis(600), //default fee
scriptPubKey: BitcoinAddress.Create("mxSimcis5yCPkBaFZ7ZrJ7fsPqLXatxTax").ScriptPubKey);
//Arbitary coin
var forfees = new Coin(fromTxHash: new uint256(fundingUTXO.transaction_hash),
fromOutputIndex: fundingUTXO.output_index,
amount: Money.Satoshis(fundingUTXO.value), //20000
scriptPubKey: new Script(Encoders.Hex.DecodeData(fundingUTXO.script_hex)));
BitcoinAssetId assetIdx = new BitcoinAssetId(assetId, Network.TestNet);
var alice = NBitcoin.BitcoinAddress.Create(toAddress, NBitcoin.Network.TestNet);
ColoredCoin colored = coin.ToColoredCoin(assetIdx, Convert.ToUInt64(assetOutput.asset_quantity));
//FROM NIC
var bobKey = new BitcoinSecret("cMdLBsUCQ92VSRmqfEL4TgJCisWpjVBd8GsP2mAmUZxQ9bh5E7CN");
var aliceKey = new BitcoinSecret("cPKW4EsFiPeczwHeSCgo4GTzm4T291Xb6sLGi1HoroXkiqGcGgsH");
var txBuilder = new TransactionBuilder();
var tx = txBuilder
.AddKeys(bobKey, aliceKey)
.AddCoins(forfees, colored)
.SendAsset(alice, new AssetMoney(assetIdx, Convert.ToUInt64(amount)))
.SetChange(bitcoinFromAddress)
.SendFees(Money.Coins(0.001m))
.BuildTransaction(true);
var ok = txBuilder.Verify(tx);
Submit(tx);
return "ok";
}
/// <summary>
/// Create scriptPubKey from destination address
/// </summary>
/// <param name="address"></param>
/// <returns></returns>
public static Script CreateFromDestinationAddress(BitcoinAddress address)
{
return(CreateFromDestination(address.Hash));
}
public static string Trade(String fromAddress, Int64 fromAmount, String fromAssetId, String toAddress, Int64 toAmount, String toAssetId)
{
NBitcoin.Network network = NBitcoin.Network.TestNet;
NBitcoin.BitcoinAddress bitcoinToAddress = new BitcoinAddress(toAddress, network);
NBitcoin.BitcoinAddress bitcoinFromAddress = new BitcoinAddress(fromAddress, network);
//UTXOS
CoinPrism txRepo = new CoinPrism(true);
//Get a UTXO to fund. Make sure its large enough, order by size. Maybe order by date?
var fundingUTXO = txRepo.GetUnspent(fromAddress).Where(ux => ux.value > 10000).OrderByDescending(o => o.value).First();
var fundingToUTXO = txRepo.GetUnspent(toAddress).Where(ux => ux.value > 10000).OrderByDescending(o => o.value).First();
if (fundingUTXO == null | fundingToUTXO == null)
{
throw new ArgumentNullException("Need more btc");
}
//Find unspent utxos with assets
var assetFromFundingUtxos = txRepo.GetUnspent(fromAddress).Where(ux => ux.asset_id == fromAssetId).ToList();
var assetToFundingUtxos = txRepo.GetUnspent(toAddress).Where(ux => ux.asset_id == toAssetId).ToList();
//Note last emmitting tx = 55ef4ea701ee0df5aac55d56a068d2488780da827aca3c08615cfa92dbfc470e
//var fromCCutoxs = txRepo.GetTransactions(fromAddress);
//var toCCutoxs = txRepo.GetTransactions(toAddress);
////Find new tx first (DEBUG ONLY)
//var allOutputsForAsset = fromCCutoxs.OrderBy(a => a.block_time)
// .Where(i => i.outputs.Any(o => o.asset_id == fromAssetId)) // && i.outputs.Any(oo => oo.addresses.Contains(fromAddress)))
// //.outputs.OrderByDescending(o => o.asset_quantity)
// //.Where(o => o.asset_id == assetId && o.asset_quantity >= amount && o.addresses.Contains(fromAddress));
// .ToList();
////TODO: CHANGE FOR DIVISIBILITY
////Find output which contains an incoming asset
//var fromAssetOutput = fromCCutoxs.OrderByDescending(a => a.block_time)
// .FirstOrDefault(i => i.outputs.Any(o => o.asset_id == fromAssetId)) // && i.outputs.Any(oo => oo.addresses.Contains(fromAddress)))
// //.outputs.OrderByDescending(o => o.asset_quantity)
// //.outputs.FirstOrDefault(o => o.asset_id == assetId && o.asset_quantity >= amount && o.addresses.Contains(fromAddress));
// .outputs.FirstOrDefault(o => o.asset_id == fromAssetId && o.asset_quantity >= fromAmount);
//FROM
//todo, could be many
var fromAssetOutput = assetFromFundingUtxos.SingleOrDefault(u => u.asset_quantity >= fromAmount);
var toAssetOutput = assetToFundingUtxos.SingleOrDefault(u => u.asset_quantity >= toAmount);
if (fromAssetOutput == null | toAssetOutput == null)
{
throw new ArgumentNullException("Not enough assets");
}
//TODO: NEED MULTIPLE COINS
//DO THE FROM
////Colour coin utxo that was sent
var fromCoin = new Coin(fromTxHash: new uint256(fromAssetOutput.transaction_hash),
//fromOutputIndex: Convert.ToUInt32(fromAssetOutput.index),
fromOutputIndex: Convert.ToUInt32(fromAssetOutput.output_index),
amount: Money.Satoshis(fromAssetOutput.value), //default fee
scriptPubKey: bitcoinFromAddress.ScriptPubKey);
BitcoinAssetId fromAssetIdx = new BitcoinAssetId(fromAssetId, Network.TestNet);
ColoredCoin fromColored = fromCoin.ToColoredCoin(fromAssetIdx, Convert.ToUInt64(fromAssetOutput.asset_quantity));
////TODO: NEED MULTIPLE COINS
//var toCoin = new Coin(fromTxHash: new uint256(toAssetOutput.transaction_hash),
// fromOutputIndex: Convert.ToUInt32(toAssetOutput.output_index),
// amount: Money.Satoshis(toAssetOutput.value), //default fee
// scriptPubKey: bitcoinToAddress.ScriptPubKey);
BitcoinAssetId toAssetIdx = new BitcoinAssetId(toAssetId, Network.TestNet);
ColoredCoin toColored = MakeColouredCoin(toAssetOutput, toAssetId, bitcoinToAddress.ScriptPubKey);
//Arbitary coin
var fromFeeCoin = new Coin(fromTxHash: new uint256(fundingUTXO.transaction_hash),
fromOutputIndex: fundingUTXO.output_index,
amount: Money.Satoshis(fundingUTXO.value), //20000
scriptPubKey: new Script(Encoders.Hex.DecodeData(fundingUTXO.script_hex)));
var toFeeCoin = new Coin(fromTxHash: new uint256(fundingToUTXO.transaction_hash),
fromOutputIndex: fundingToUTXO.output_index,
amount: Money.Satoshis(fundingToUTXO.value), //20000
scriptPubKey: new Script(Encoders.Hex.DecodeData(fundingToUTXO.script_hex)));
//FROM NIC
var key1 = new BitcoinSecret(BobWIFKey);
var key2 = new BitcoinSecret(CarolWIFKey);
var txBuilder = new TransactionBuilder();
var tx = txBuilder
.AddKeys(key1, key2)
.AddCoins(fromFeeCoin, fromColored)
.SendAsset(bitcoinToAddress, new AssetMoney(fromAssetIdx, Convert.ToUInt64(fromAmount)))
.SetChange(bitcoinFromAddress)
.SendFees(Money.Coins(0.001m))
.Then()
//.AddKeys(key1, key2)
.AddCoins(toFeeCoin, toColored)
.SendAsset(bitcoinFromAddress, new AssetMoney(toAssetIdx, Convert.ToUInt64(toAmount)))
.SetChange(bitcoinToAddress)
.SendFees(Money.Coins(0.001m))
.BuildTransaction(true);
var ok = txBuilder.Verify(tx);
var response = Submit(tx);
return response;
}
public static string Transfer(String fromAddress, Int64 amount, String toAddress, String assetId)
{
NBitcoin.Network network = NBitcoin.Network.TestNet;
NBitcoin.BitcoinAddress bitcoinToAddress = new BitcoinAddress(toAddress, network);
NBitcoin.BitcoinAddress bitcoinFromAddress = new BitcoinAddress(fromAddress, network);
//UTXOS
CoinPrism txRepo = new CoinPrism(true);
//Get a UTXO to fund. Make sure its large enough, order by size. Maybe order by date?
var fundingUTXO = txRepo.GetUnspent(fromAddress).Where(ux => ux.value > 10000).OrderByDescending(o => o.value).First();
if (fundingUTXO == null)
{
throw new ArgumentNullException("Need more btc");
}
//Find unspent utxos with assets
var assetFundingUtxos = txRepo.GetUnspent(fromAddress).Where(ux => ux.asset_id == assetId).ToList();
//Note last emmitting tx = 55ef4ea701ee0df5aac55d56a068d2488780da827aca3c08615cfa92dbfc470e
var ccutoxs = txRepo.GetTransactions(fromAddress);
//Find new tx first
var allOutputsForAsset = ccutoxs.OrderBy(a => a.block_time)
.Where(i => i.outputs.Any(o => o.asset_id == assetId)) // && i.outputs.Any(oo => oo.addresses.Contains(fromAddress)))
//.outputs.OrderByDescending(o => o.asset_quantity)
//.outputs.FirstOrDefault(o => o.asset_id == assetId && o.asset_quantity >= amount && o.addresses.Contains(fromAddress));
.ToList();
//TODO: CHANGE FOR DIVISIBILITY
//Find output which contains an incoming asset
var assetOutput = ccutoxs.OrderByDescending(a => a.block_time)
.FirstOrDefault(i => i.outputs.Any(o => o.asset_id == assetId)) // && i.outputs.Any(oo => oo.addresses.Contains(fromAddress)))
//.outputs.OrderByDescending(o => o.asset_quantity)
//.outputs.FirstOrDefault(o => o.asset_id == assetId && o.asset_quantity >= amount && o.addresses.Contains(fromAddress));
.outputs.FirstOrDefault(o => o.asset_id == assetId && o.asset_quantity >= amount);
if (assetOutput == null)
{
throw new ArgumentNullException("Not enough assets");
}
////Colour coin utxo that was sent
var coin = new Coin(fromTxHash: new uint256(assetOutput.transaction_hash),
fromOutputIndex: Convert.ToUInt32(assetOutput.index),
amount: Money.Satoshis(assetOutput.value), //default fee
scriptPubKey: bitcoinFromAddress.ScriptPubKey);
//HACKE FOR 1 USD FROM ALICE BACK TO BOB. TX 47~48
//ADDRESS WAS ALICE
//Colour coin utxo that was sent
//var coin = new Coin(fromTxHash: new uint256("b52454d26d9020a241d3d3173270bf0b0e218fc4cf21d18c8ac34d8d29f0f988"),
// fromOutputIndex: 2,
// amount: Money.Satoshis(600), //default fee
// scriptPubKey: bitcoinFromAddress.ScriptPubKey);
//Arbitary coin
var forfees = new Coin(fromTxHash: new uint256(fundingUTXO.transaction_hash),
fromOutputIndex: fundingUTXO.output_index,
amount: Money.Satoshis(fundingUTXO.value), //20000
scriptPubKey: new Script(Encoders.Hex.DecodeData(fundingUTXO.script_hex)));
BitcoinAssetId assetIdx = new BitcoinAssetId(assetId, Network.TestNet);
//var recipient = NBitcoin.BitcoinAddress.Create(toAddress, NBitcoin.Network.TestNet);
//44696
ColoredCoin colored = coin.ToColoredCoin(assetIdx, Convert.ToUInt64(assetOutput.asset_quantity));
//ColoredCoin colored = coin.ToColoredCoin(assetIdx, 44696);
//FROM NIC
var key1 = new BitcoinSecret(BobWIFKey);
var key2 = new BitcoinSecret(CarolWIFKey);
var txBuilder = new TransactionBuilder();
var tx = txBuilder
.AddKeys(key1, key2)
.AddCoins(forfees, colored)
.SendAsset(bitcoinToAddress, new AssetMoney(assetIdx, Convert.ToUInt64(amount)))
.SetChange(bitcoinFromAddress)
.SendFees(Money.Coins(0.001m))
.BuildTransaction(true);
var ok = txBuilder.Verify(tx);
var response = Submit(tx);
return response;
}
//public static string Transfer4(String fromAddress, Int64 amount, String toAddress, String assetId, String senderWifKey)
//{
// NBitcoin.Network network = NBitcoin.Network.TestNet;
// //NBitcoin.BitcoinSecret _key = NBitcoin.Network.TestNet.CreateBitcoinSecret(senderWifKey);
// NBitcoin.BitcoinAddress bitcoinToAddress = new BitcoinAddress(toAddress);
// NBitcoin.BitcoinAddress bitcoinFromAddress = new BitcoinAddress(fromAddress);
// //UTXOS
// NBitcoin.BlockrTransactionRepository blkrRepo = new BlockrTransactionRepository(network);
// var x = blkrRepo.GetUnspentAsync(fromAddress).Result.ToList();
// CoinPrism txRepo = new CoinPrism(true);
// //Get a UTXO to fund. Make sure its large enough, order by size. Maybe order by date?
// var fundingUTXO = txRepo.Get(fromAddress).Where(ux => ux.value > 10000).OrderByDescending(o => o.value).First();
// Debug.Assert(fundingUTXO.spent == false);
// //Note last emmitting tx = 55ef4ea701ee0df5aac55d56a068d2488780da827aca3c08615cfa92dbfc470e
// //55ef4ea701ee0df5aac55d56a068d2488780da827aca3c08615cfa92dbfc470e
// var ccutoxs = txRepo.GetTransactions(fromAddress);
// // var xxx = ccutoxs.Where(c => c.hash == "55ef4ea701ee0df5aac55d56a068d2488780da827aca3c08615cfa92dbfc470e").ToList();
// //Find output which contains an incoming asset
// var assetOutput = ccutoxs.FirstOrDefault(i => i.outputs.Any(o => o.asset_id == assetId)).outputs.FirstOrDefault(o => o.asset_id == assetId);
// //Colour coin utxo that was sent
// var coin = new Coin(fromTxHash: new uint256(assetOutput.transaction_hash),
// fromOutputIndex: Convert.ToUInt32(assetOutput.index),
// amount: Money.Satoshis(600), //default fee
// scriptPubKey: BitcoinAddress.Create(fromAddress).ScriptPubKey);
// //var coin = new Coin(fromTxHash: new uint256(xxx[0].hash),
// // fromOutputIndex: Convert.ToUInt32(1),
// // amount: Money.Satoshis(600), //default fee
// // scriptPubKey: BitcoinAddress.Create(fromAddress).ScriptPubKey);
// //Arbitary coin
// var forFees = new Coin(fromTxHash: new uint256(fundingUTXO.transaction_hash),
// fromOutputIndex: fundingUTXO.output_index,
// amount: Money.Satoshis(fundingUTXO.value), //20000
// scriptPubKey: new Script(Encoders.Hex.DecodeData(fundingUTXO.script_hex)));
// BitcoinAssetId assetIdx = new BitcoinAssetId(assetId, Network.TestNet);
// var alice = NBitcoin.BitcoinAddress.Create(toAddress, NBitcoin.Network.TestNet);
// ColoredCoin colored = coin.ToColoredCoin(assetIdx, Convert.ToUInt64(assetOutput.asset_quantity));
// //FROM NIC
// var bobKey = new BitcoinSecret(BobWIFKey);
// //var aliceKey = new BitcoinSecret("cPKW4EsFiPeczwHeSCgo4GTzm4T291Xb6sLGi1HoroXkiqGcGgsH");
// var txBuilder = new TransactionBuilder();
// var tx = txBuilder
// .AddKeys(bobKey)
// .AddCoins(forFees)
// .Send(bitcoinToAddress, "0.0005")
// .SetChange(bitcoinFromAddress)
// .SendFees(Money.Coins(0.001m))
// .BuildTransaction(true);
// var ok = txBuilder.Verify(tx);
// Submit(tx);
// var hex = tx.ToHex();
// return hex;
//}
public static string SimpleTransfer(String fromAddress, Int64 amount, String toAddress, String assetId, String senderWifKey)
{
NBitcoin.Network network = NBitcoin.Network.TestNet;
//NBitcoin.BitcoinSecret _key = NBitcoin.Network.TestNet.CreateBitcoinSecret(senderWifKey);
NBitcoin.BitcoinAddress bitcoinToAddress = new BitcoinAddress(toAddress, network);
NBitcoin.BitcoinAddress bitcoinFromAddress = new BitcoinAddress(fromAddress, network);
//UTXOS
CoinPrism txRepo = new CoinPrism(true);
//Get a UTXO to fund. Make sure its large enough, order by size. Maybe order by date?
var fundingUTXO = txRepo.GetUnspent(fromAddress).Where(ux => ux.value > 10000).OrderByDescending(o => o.value).First();
//Note last emmitting tx = 55ef4ea701ee0df5aac55d56a068d2488780da827aca3c08615cfa92dbfc470e
//55ef4ea701ee0df5aac55d56a068d2488780da827aca3c08615cfa92dbfc470e
//var ccutoxs = txRepo.GetTransactions(fromAddress);
//var xxx = ccutoxs.Where(c => c.hash == "55ef4ea701ee0df5aac55d56a068d2488780da827aca3c08615cfa92dbfc470e").ToList();
//Find output which contains an incoming asset
//var assetOutput = ccutoxs.FirstOrDefault(i => i.outputs.Any(o => o.asset_id == assetId)).outputs.FirstOrDefault(o => o.asset_id == assetId);
////Colour coin utxo that was sent
//var coin = new Coin(fromTxHash: new uint256(assetOutput.transaction_hash),
// fromOutputIndex: Convert.ToUInt32(assetOutput.index),
// amount: Money.Satoshis(600), //default fee
// scriptPubKey: BitcoinAddress.Create(fromAddress).ScriptPubKey);
//var coin = new Coin(fromTxHash: new uint256(xxx[0].hash),
// fromOutputIndex: Convert.ToUInt32(1),
// amount: Money.Satoshis(600), //default fee
// scriptPubKey: BitcoinAddress.Create(fromAddress).ScriptPubKey);
//Arbitary coin
var coinsToSend = new Coin(fromTxHash: new uint256(fundingUTXO.transaction_hash),
fromOutputIndex: fundingUTXO.output_index,
amount: Money.Satoshis(fundingUTXO.value), //20000
scriptPubKey: new Script(Encoders.Hex.DecodeData(fundingUTXO.script_hex)));
//BitcoinAssetId assetIdx = new BitcoinAssetId(assetId, Network.TestNet);
//var toAddress = NBitcoin.BitcoinAddress.Create(toAddress, NBitcoin.Network.TestNet);
//ColoredCoin colored = coin.ToColoredCoin(assetIdx, Convert.ToUInt64(assetOutput.asset_quantity));
//FROM NIC
//var bobKey = new BitcoinSecret(BobWIFKey);
var aliceKey = new BitcoinSecret(AliceWIFKey);
var txBuilder = new TransactionBuilder();
var tx = txBuilder
.AddKeys(aliceKey)
.AddCoins(coinsToSend)
.Send(bitcoinToAddress, Money.Coins(0.003M))
//.SendAsset(bitcoinToAddress, new AssetMoney(assetIdx, Convert.ToUInt64(amount)))
.SetChange(bitcoinFromAddress)
.SendFees(Money.Coins(0.001M))
.BuildTransaction(true);
var ok = txBuilder.Verify(tx);
Submit(tx);
String hex = tx.ToHex();
return hex;
}
public static String FromNewAddressToAlice()
{
const String AliceAddress = "muJjaSHk99LGMnaFduU9b3pWHdT1ZRPASF";
String senderKey = "93KgTTe7YrwEFtfcHYL9Bsm1p4PcQEfxaqEw3CBcUCbx17Xc4Nk";
String senderAddress = "mtZk7YUMEK3rGWa91VfvYXAJaK8iw6DMvV";
NBitcoin.Network network = NBitcoin.Network.TestNet;
NBitcoin.BitcoinAddress bitcoinToAddress = new BitcoinAddress(AliceAddress, network);
NBitcoin.BitcoinAddress bitcoinFromAddress = new BitcoinAddress(senderAddress, network);
//UTXOS
CoinPrism txRepo = new CoinPrism(true);
//Get a UTXO to fund. Make sure its large enough, order by size. Maybe order by date?
var fundingUTXO = txRepo.GetUnspent(bitcoinFromAddress.ToString()).Where(ux => ux.value > 10000).OrderByDescending(o => o.value).First();
//var ccutoxs = txRepo.GetTransactions(fromAddress);
//Find output which contains an incoming asset
//var assetOutput = ccutoxs.FirstOrDefault(i => i.outputs.Any(o => o.asset_id == assetId)).outputs.FirstOrDefault(o => o.asset_id == assetId);
var coin_nic = new Coin(fromTxHash: new uint256("5a2359ec87780561306b2d6fbe4151704ef0c97ab09ab51548502d1431a96331"),
fromOutputIndex: 1,
amount: Money.Satoshis(100000000), //default fee
scriptPubKey: BitcoinAddress.Create(senderAddress).ScriptPubKey);
////Colour coin utxo that was sent
//var coin = new Coin(fromTxHash: new uint256(assetOutput.transaction_hash),
// fromOutputIndex: Convert.ToUInt32(assetOutput.index),
// amount: Money.Satoshis(600), //default fee
// scriptPubKey: BitcoinAddress.Create("mxSimcis5yCPkBaFZ7ZrJ7fsPqLXatxTax").ScriptPubKey);
////Arbitary coin
//var forfees = new Coin(fromTxHash: new uint256(fundingUTXO.transaction_hash),
// fromOutputIndex: fundingUTXO.output_index,
// amount: Money.Satoshis(fundingUTXO.value), //20000
// scriptPubKey: new Script(Encoders.Hex.DecodeData(fundingUTXO.script_hex)));
//BitcoinAssetId assetIdx = new BitcoinAssetId(assetId, Network.TestNet);
//var alice = NBitcoin.BitcoinAddress.Create(toAddress, NBitcoin.Network.TestNet);
//ColoredCoin colored = coin.ToColoredCoin(assetIdx, Convert.ToUInt64(assetOutput.asset_quantity));
//FROM NIC
var senderSecret = new BitcoinSecret(senderKey);
//var aliceKey = new BitcoinSecret("cPKW4EsFiPeczwHeSCgo4GTzm4T291Xb6sLGi1HoroXkiqGcGgsH");
var txBuilder = new TransactionBuilder();
var tx = txBuilder
.AddKeys(senderSecret)
.AddCoins(coin_nic)
.Send(bitcoinToAddress, new Money(1000))
.SetChange(bitcoinFromAddress)
.SendFees(Money.Coins(0.001m))
.BuildTransaction(true);
var ok = txBuilder.Verify(tx);
Submit(tx);
return "ok";
}
public static Script PayToAddress(BitcoinAddress address)
{
return(PayToPubkeyHash((KeyId)address.Hash));
}
public PaymentRequestManager(bool isMainNet, string destinationAddress)
{
this.isMainNet = isMainNet;
this.destinationAddress = BitcoinAddress.Create(destinationAddress);
}
public Block CreateNextBlockWithCoinbase(BitcoinAddress address, int height)
{
return(CreateNextBlockWithCoinbase(address, height, DateTimeOffset.UtcNow));
}
public static Script PayToAddress(BitcoinAddress address)
{
return PayToPubkeyHash(address.ID);
}
public BitcoinColoredAddress(BitcoinAddress address)
: base(Build(address), address.Network)
{
}
/// <summary>
/// Take the first four bytes of SHA256(SHA256(generatedaddress)) and call it addresshash.
/// </summary>
/// <param name="address"></param>
/// <returns></returns>
internal static byte[] HashAddress(BitcoinAddress address)
{
return(Hashes.Hash256(Encoders.ASCII.DecodeData(address.ToString())).ToBytes().Take(4).ToArray());
}
private static byte[] Build(BitcoinAddress address)
{
var version = address.Network.GetVersionBytes(address.Type);
var data = address.ToBytes();
return version.Concat(data).ToArray();
}
public TxOut AddOutput(Money money, BitcoinAddress address)
{
return(AddOutput(new TxOut(money, address)));
}
/// <summary>
/// Take the first four bytes of SHA256(SHA256(generatedaddress)) and call it addresshash.
/// </summary>
/// <param name="address"></param>
/// <returns></returns>
internal static byte[] HashAddress(BitcoinAddress address)
{
return Hashes.Hash256(Encoders.ASCII.DecodeData(address.ToString())).ToBytes().Take(4).ToArray();
}
public BitcoinAddress GetAddress(Network network)
{
return(BitcoinAddress.Create(this, network));
}
public static Script PayToAddress(BitcoinAddress address)
{
return PayToPubkeyHash((KeyId)address.Hash);
}
/// <summary>
/// Create scriptPubKey from destination address
/// </summary>
/// <param name="address"></param>
/// <returns></returns>
public static Script CreateFromDestinationAddress(BitcoinAddress address)
{
return CreateFromDestination(address.Hash);
}
public void SetDestination(BitcoinAddress address)
{
ScriptPubKey = new PayToPubkeyHashTemplate().GenerateScriptPubKey(address);
}
public BitcoinAddress GetAddress()
{
return _address ?? (_address = PrivateKey.PubKey.GetAddress(Network));
}
public TxOut(Money value, BitcoinAddress bitcoinAddress)
{
if(bitcoinAddress == null)
throw new ArgumentNullException("bitcoinAddress");
if(value == null)
throw new ArgumentNullException("value");
Value = value;
SetDestination(bitcoinAddress);
}
public bool IsTo(BitcoinAddress address)
{
if(address == null)
throw new ArgumentNullException("address");
return IsTo(address.ID);
}
public Block CreateNextBlockWithCoinbase(BitcoinAddress address, int height, DateTimeOffset now)
{
if (address == null) throw new ArgumentNullException("address");
Block block = new Block();
block.Header.Nonce = RandomUtils.GetUInt32();
block.Header.HashPrevBlock = this.GetHash();
block.Header.BlockTime = now;
var tx = block.AddTransaction(new Transaction());
tx.AddInput(new TxIn()
{
ScriptSig = new Script(Op.GetPushOp(RandomUtils.GetBytes(30)))
});
tx.Outputs.Add(new TxOut(address.Network.GetReward(height), address)
{
Value = address.Network.GetReward(height)
});
return block;
}
public void AddOutput(Money money, BitcoinAddress address)
{
AddOutput(new TxOut(money, address));
}
public Block CreateNextBlockWithCoinbase(BitcoinAddress address, int height)
{
return CreateNextBlockWithCoinbase(address, height, DateTimeOffset.UtcNow);
}
/// <summary>
/// Extract P2SH or P2PH address from scriptPubKey
/// </summary>
/// <param name="network"></param>
/// <returns></returns>
public BitcoinAddress GetDestinationAddress(Network network)
{
var dest = GetDestination();
return(dest == null ? null : BitcoinAddress.Create(dest, network));
}
public Script GenerateScriptPubKey(BitcoinAddress address)
{
if(address == null)
throw new ArgumentNullException("address");
return GenerateScriptPubKey((KeyId)address.ID);
}
public Transaction CreateSend(BitcoinAddress bitcoinAddress, Money value)
{
if(bitcoinAddress.Network != Network)
throw new InvalidOperationException("This bitcoin address does not belong to the network");
Transaction tx = new Transaction();
tx.AddOutput(value, bitcoinAddress);
this.CompleteTx(tx);
return tx;
}
public static void Pay(BitcoinSecret secret, BitcoinAddress toAddress, Money amount, Transaction fundingTransaction)
{
var fee = Money.Coins(0.0001m);
Transaction payment = new Transaction();
payment.Inputs.Add(new TxIn()
{
PrevOut = new OutPoint(fundingTransaction.GetHash(), 1)
});
payment.Outputs.Add(new TxOut()
{
Value = amount,
ScriptPubKey = toAddress.ScriptPubKey
});
var output = fundingTransaction.Outputs[0];
var change = output.Value - amount - fee;
if (change < 0)
{
Console.WriteLine("There is not enough BTC in the funding transaction ({0}) to make this payment ({1})", output.Value, amount);
Console.WriteLine("No payment being sent");
return;
}
payment.Outputs.Add(new TxOut()
{
Value = output.Value - amount - fee,
ScriptPubKey = output.ScriptPubKey
});
//Feedback !
var message = "Thanks ! :)";
var bytes = Encoding.UTF8.GetBytes(message);
payment.Outputs.Add(new TxOut()
{
Value = Money.Zero,
ScriptPubKey = TxNullDataTemplate.Instance.GenerateScriptPubKey(bytes)
});
Console.WriteLine(payment);
payment.Inputs[0].ScriptSig = fundingTransaction.Outputs[1].ScriptPubKey;
payment.Sign(secret, false);
using (var node = Node.Connect(Network.Main))
{
Console.WriteLine("Doing version handshake");
node.VersionHandshake();
Console.WriteLine("Sending message");
node.SendMessage(new InvPayload(InventoryType.MSG_TX, payment.GetHash()));
node.SendMessage(new TxPayload(payment));
Thread.Sleep(500);
}
}
