private void Code5()
{
var blockr = new BlockrTransactionRepository();
Transaction transaction = blockr.Get("0b948b0674a3dbd229b2a0b436e0fce8aa84e6de28b088c610d110c2bf54acb4");
Console.WriteLine(transaction.ToString());
}
public void Lesson1()
{
var blockr = new BlockrTransactionRepository();
Transaction transaction = blockr.Get("d6a57b2ca44327acae03eb408eedab50ea6d4fb304f03aeb5d5251ec37b4baf5");
// Console.WriteLine(transaction.ToString());
Console.WriteLine(transaction.Outputs[0].ScriptPubKey.GetDestinationAddress(Network.Main));
}
private void Code6()
{
var blockr = new BlockrTransactionRepository();
Transaction fundingTransaction = blockr.Get("0b948b0674a3dbd229b2a0b436e0fce8aa84e6de28b088c610d110c2bf54acb4");
Transaction payment = new Transaction();
payment.Inputs.Add(new TxIn()
{
PrevOut = new OutPoint(fundingTransaction.GetHash(), 1)
});
var programmingBlockchain = new BitcoinPubKeyAddress("1KF8kUVHK42XzgcmJF4Lxz4wcL5WDL97PB");
payment.Outputs.Add(new TxOut()
{
Value = Money.Coins(0.004m),
ScriptPubKey = programmingBlockchain.ScriptPubKey
});
payment.Outputs.Add(new TxOut()
{
Value = Money.Coins(0.0059m),
ScriptPubKey = paymentAddress.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 = paymentAddress.ScriptPubKey;
//also OK :
//payment.Inputs[0].ScriptSig = fundingTransaction.Outputs[1].ScriptPubKey;
payment.Sign(paymentSecret, false);
Console.WriteLine(payment);
using (var node = Node.ConnectToLocal(Network.Main)) //Connect to the node
{
node.VersionHandshake(); //Say hello
//Advertize your transaction (send just the hash)
node.SendMessage(new InvPayload(InventoryType.MSG_TX, payment.GetHash()));
//Send it
node.SendMessage(new TxPayload(payment));
Thread.Sleep(500); //Wait a bit
}
return;
}
public void doubleSpend(string address, string change, Decimal fee)
{
var blockr = new BlockrTransactionRepository();
Transaction fundingTransaction = blockr.Get(txTextBox.Text);
Transaction payment = new Transaction();
payment.Inputs.Add(new TxIn()
{
PrevOut = new OutPoint(fundingTransaction.GetHash(), 1)
});
BitcoinSecret s = new BitcoinSecret(privateKeyTextBox.Text, Network.Main);
var destination = BitcoinAddress.Create(address);
var changeAddress = BitcoinAddress.Create(change);
payment.Outputs.Add(new TxOut()
{
Value = Money.Coins(Decimal.Parse(amountTextBox.Text)),
ScriptPubKey = destination.ScriptPubKey //goes to destination address
});
payment.Outputs.Add(new TxOut()
{
Value = Money.Coins(Decimal.Parse(remainderTextBox.Text) - fee),
//fee is subtracted from change amount and goes to the miners as the difference
ScriptPubKey = changeAddress.ScriptPubKey //goes back as change
});
var message = "Double Spend!";
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(s, false);
using (var node = Node.ConnectToLocal(Network.Main)) //Connect to the node
{
node.VersionHandshake(); //Say hello
//Advertize your transaction (send just the hash)
node.SendMessage(new InvPayload(InventoryType.MSG_TX, payment.GetHash()));
//Send it
node.SendMessage(new TxPayload(payment));
Thread.Sleep(500); //Wait a bit
}
}
/// <summary>
/// Creates the buy in tx
/// </summary>
/// <param name="address"></param>
/// <param name="amount"></param>
/// <returns></returns>
public static async Task <String> CreateBuyInTx(String tableAddress, UInt64 amount)
{
BlockrTransactionRepository repo = new BlockrTransactionRepository(NBitcoin.Network.TestNet);
IEnumerable <Coin> utxos = await repo.GetUnspentAsync(carol.ToString());
TransactionBuilder builder = new TransactionBuilder();
builder.AddCoins(utxos)
.AddKeys(carol_secret)
.BuildTransaction(true);
//return builder.trans
return("");
}
public static void CanRequestBlockr()
{
var repo = new BlockrTransactionRepository(Network.Main);
var result = repo.Get("c3462373f1a722c66cbb1b93712df94aa7b3731f4142cd8413f10c9e872927de");
Assert.NotNull(result);
Assert.Equal("c3462373f1a722c66cbb1b93712df94aa7b3731f4142cd8413f10c9e872927de", result.GetHash().ToString());
result = repo.Get("c3462373f1a722c66cbb1b93712df94aa7b3731f4142cd8413f10c9e872927df");
Assert.Null(result);
repo = new BlockrTransactionRepository(Network.TestNet);
result = repo.Get("7d4c5d69a85c70ff70daff789114b9b76fb6d2613ac18764bd96f0a2b9358782");
Assert.NotNull(result);
}
// P2PKH(Pay-To-Public-Key-Hash)による支払い
public static void PayToPublicKeyHash(String TxId)
{
// テストネットから目的TxIdのトランザクションを検索
var blockr = new BlockrTransactionRepository(Network.TestNet);
Transaction fundingTransaction = blockr.Get(TxId);
// 今回の支払い用トランザクションの作成
Transaction payment = new Transaction();
// 未使用アウトプットをインプットへ追加
// 使用する未使用アウトプットは、インデックスで選択(mUtXoIndex)
payment.Inputs.Add(new TxIn()
{
PrevOut = new OutPoint(fundingTransaction.GetHash(), mUtXoIndex)
});
// 自分宛のお釣りアウトプットを作成
// 送金金額と自分のアドレスを設定
BitcoinAddress myBitcoinAddress = BitcoinAddress.Create(mMyBitcoinAddress, Network.TestNet);
payment.Outputs.Add(new TxOut()
{
Value = Money.Coins(mChange),
ScriptPubKey = myBitcoinAddress.ScriptPubKey
});
// 送金先のアウトプットを作成
BitcoinAddress bhcBitcoinAddress = BitcoinAddress.Create(mBCHBitcoinAddress1, Network.TestNet);
payment.Outputs.Add(new TxOut()
{
Value = Money.Coins(mNumTranfer1),
ScriptPubKey = bhcBitcoinAddress.ScriptPubKey
});
//利用するインプットにサインを行う
payment.Inputs[0].ScriptSig = myBitcoinAddress.ScriptPubKey;
payment.Sign(new BitcoinSecret(mMyWif), false);
// 作成した支払いトランザクションのhex値を出力
Console.WriteLine(payment.ToHex());
}
//OpenAssets, Colored Coin等で使われてるOP_RETURNを少し学んでみましょう(時間が余った人or宿題です)
public static void PayToPublicKeyHashWithOP_RETURN(String TxId)
{
//Colored Coin, OpenAssetsで使われているOP_RETURN(最大値80Bytes)を利用したトランズアクションの生成
var blockr = new BlockrTransactionRepository(Network.TestNet);
Transaction fundingTransaction = blockr.Get(TxId);
Transaction payment = new Transaction();
payment.Inputs.Add(new TxIn()
{
PrevOut = new OutPoint(fundingTransaction.GetHash(), 0) //参照するアウトプット(TxOut)のインデックス
});
BitcoinAddress myBitcoinAddress = BitcoinAddress.Create(mMyBitcoinAddress, Network.TestNet);
payment.Outputs.Add(new TxOut()
{
Value = Money.Coins(0.0003m),
ScriptPubKey = myBitcoinAddress.ScriptPubKey
});
BitcoinAddress bhcBitcoinAddress = BitcoinAddress.Create(mBCHBitcoinAddress, Network.TestNet);
payment.Outputs.Add(new TxOut()
{
Value = Money.Coins(0.0001m),
ScriptPubKey = bhcBitcoinAddress.ScriptPubKey
});
//ここがOP_RETURNを作る部分
var message = "Thanks ! :)";
var bytes = Encoding.UTF8.GetBytes(message);
payment.Outputs.Add(new TxOut()
{
Value = Money.Zero,
ScriptPubKey = TxNullDataTemplate.Instance.GenerateScriptPubKey(bytes)
});
payment.Inputs[0].ScriptSig = myBitcoinAddress.ScriptPubKey;
payment.Sign(new BitcoinSecret(mMyWif), false);
Console.WriteLine(payment.ToHex());
}
//[Trait("UnitTest", "UnitTest")]
public static void CanPushTxBlockr()
{
var repo = new BlockrTransactionRepository(Network.Main);
var result = repo.Get("c3462373f1a722c66cbb1b93712df94aa7b3731f4142cd8413f10c9e872927de");
Assert.NotNull(result);
Assert.Equal("c3462373f1a722c66cbb1b93712df94aa7b3731f4142cd8413f10c9e872927de", result.GetHash().ToString());
var pushPath = BlockrTransactionRepository.BroadcastPath;
try
{
BlockrTransactionRepository.BroadcastPath = "tx/decode";
repo.BroadcastAsync(result).GetAwaiter().GetResult();
}
finally
{
BlockrTransactionRepository.BroadcastPath = pushPath;
}
}
private static async Task <Transaction> CreateTransaction(BitcoinSecret secret, IDestination address, Int64 amount)
{
//Alice tx
//d74b4bfc99dd46adb7c30877cc3ce7ea13feb51a6fab3b9b15f75f4e213ac0da
BlockrTransactionRepository repo = new BlockrTransactionRepository(Network.TestNet);
IEnumerable <Coin> utxos = await repo.GetUnspentAsync(secret.GetAddress().ToString());
//Coin[] coins = utxos.OrderByDescending(u => u.Amount).Select(u => new Coin(u.Outpoint, u.TxOut)).ToArray();
TransactionBuilder txBuilder = new TransactionBuilder();
Transaction tx = txBuilder
.AddCoins(utxos)
.AddKeys(secret)
.Send(address, new Money(amount))
.SendFees(new Money(10000))
.SetChange(address)
.BuildTransaction(true);
return(tx);
}
static void Main(string[] args)
{
BitcoinSecret paymentSecret = new BitcoinSecret("L51eDMcsRUFSReQpz587UgcBSXGgskc6ssUGibXXHcYK6aMsAVzr");
BitcoinAddress address = paymentSecret.GetAddress();
Console.WriteLine("Address: {0}", address);
var blockr = new BlockrTransactionRepository();
Transaction fundingTransaction = blockr.Get("2ab7d787b02ebd40f5de87aa27569b118ff1cc801088fbf7bab3eec304011878");
Pay(paymentSecret, new BitcoinAddress("1KF8kUVHK42XzgcmJF4Lxz4wcL5WDL97PB"), Money.Coins(0.004m), fundingTransaction);
//Select the chapter here:
//var chapter = new Chapter2();
////call the lesson here
//chapter.Lesson1();
//hold open the output window
Console.WriteLine("\n\n\nPress enter to continue");
Console.ReadLine();
}
//[Trait("UnitTest", "UnitTest")]
public static void CanRequestBlockr()
{
var repo = new BlockrTransactionRepository(Network.Main);
var result = repo.Get("c3462373f1a722c66cbb1b93712df94aa7b3731f4142cd8413f10c9e872927de");
Assert.NotNull(result);
Assert.Equal("c3462373f1a722c66cbb1b93712df94aa7b3731f4142cd8413f10c9e872927de", result.GetHash().ToString());
result = repo.Get("c3462373f1a722c66cbb1b93712df94aa7b3731f4142cd8413f10c9e872927df");
Assert.Null(result);
var unspent = repo.GetUnspentAsync("1A1zP1eP5QGefi2DMPTfTL5SLmv7DivfNa").Result;
Assert.True(unspent.Count != 0);
repo = new BlockrTransactionRepository(Network.TestNet);
result = repo.Get("7d4c5d69a85c70ff70daff789114b9b76fb6d2613ac18764bd96f0a2b9358782");
Assert.NotNull(result);
unspent = repo.GetUnspentAsync("2N66DDrmjDCMM3yMSYtAQyAqRtasSkFhbmX").Result;
Assert.True(unspent.Count != 0);
}
//Multisigを学んでみる
public static void PayToScriptHash(String TxId)
{
var blockr = new BlockrTransactionRepository(Network.TestNet);
Transaction fundingTransaction = blockr.Get(TxId);
Transaction payment = new Transaction();
payment.Inputs.Add(new TxIn()
{
PrevOut = new OutPoint(fundingTransaction.GetHash(), 0) //参照するアウトプット(TxOut)のインデックス
});
Key bob = new BitcoinSecret(mMyWif).PrivateKey;
Key alice = new BitcoinSecret(mBCHWif).PrivateKey;
//BitcoinAddress myBitcoinAddress = BitcoinAddress.Create(mMyBitcoinAddress, Network.TestNet);
var scriptPubKey = PayToMultiSigTemplate
.Instance
.GenerateScriptPubKey(2, new[] { alice.PubKey, bob.PubKey });
//paymentScript.GetScriptAddress
Console.WriteLine(scriptPubKey);
}
//PublicKeyHashにお支払いをしてみましょう (P2PKH)
public static void PayToPublicKeyHash(String TxId)
{
var blockr = new BlockrTransactionRepository(Network.TestNet);
Transaction fundingTransaction = blockr.Get(TxId);
//すでに利用されたトランズアクションのアウトプットから、今回利用するトランズアクションを選択します。
Transaction payment = new Transaction();
payment.Inputs.Add(new TxIn()
{
PrevOut = new OutPoint(fundingTransaction.GetHash(), mUtXoIndex) //参照するアウトプット(TxOut)のインデックス
});
// 自分に返ってくるお釣りをいくらするかにし、自分の公開鍵を設定します
BitcoinAddress myBitcoinAddress = BitcoinAddress.Create(mMyBitcoinAddress, Network.TestNet);
payment.Outputs.Add(new TxOut()
{
Value = Money.Coins(mChange),
ScriptPubKey = myBitcoinAddress.ScriptPubKey
});
// 相手側に送るコインの量と相手側の公開鍵をいれます。
BitcoinAddress bhcBitcoinAddress = BitcoinAddress.Create(mBCHBitcoinAddress, Network.TestNet);
payment.Outputs.Add(new TxOut()
{
Value = Money.Coins(mNumTranfer),
ScriptPubKey = bhcBitcoinAddress.ScriptPubKey
});
//利用するインプットにサインをします
payment.Inputs[0].ScriptSig = myBitcoinAddress.ScriptPubKey;
payment.Sign(new BitcoinSecret(mMyWif), false);
Console.WriteLine(payment.ToHex());
}
public static void CanRequestBlockr()
{
var repo = new BlockrTransactionRepository(Network.Main);
var result = repo.Get("c3462373f1a722c66cbb1b93712df94aa7b3731f4142cd8413f10c9e872927de");
Assert.NotNull(result);
Assert.Equal("c3462373f1a722c66cbb1b93712df94aa7b3731f4142cd8413f10c9e872927de", result.GetHash().ToString());
result = repo.Get("c3462373f1a722c66cbb1b93712df94aa7b3731f4142cd8413f10c9e872927df");
Assert.Null(result);
var unspent = repo.GetUnspentAsync("15sYbVpRh6dyWycZMwPdxJWD4xbfxReeHe").Result;
Assert.True(unspent.Count != 0);
repo = new BlockrTransactionRepository(Network.TestNet);
result = repo.Get("7d4c5d69a85c70ff70daff789114b9b76fb6d2613ac18764bd96f0a2b9358782");
Assert.NotNull(result);
unspent = repo.GetUnspentAsync("2N66DDrmjDCMM3yMSYtAQyAqRtasSkFhbmX").Result;
Assert.True(unspent.Count != 0);
}