public ExplorerResponse GetUnspent(string address, bool noCache = false)
{
ExplorerResponse exResponse = new ExplorerResponse();
try
{
// /api/addr/[:addr]/utxo[?noCache=1]
string resource = $"/api/addr/{address}/utxo";
if (noCache == true)
{
resource += "?noCache=1";
}
var request = new RestRequest(resource, Method.GET);
IRestResponse response = client.Execute(request);
var content = response.Content; // raw content as string
exResponse.data = response.Content;
//List<Objects.ExplorerUnspent> unspent = JsonConvert.DeserializeObject<List<ExplorerUnspent>>(content);
}
catch (Exception ex)
{
exResponse.AddError(ex);
}
return(exResponse);
}
/// <summary>
/// NEW!! So far alright?
/// </summary>
public void SegwitTestNet()
{
//The faucet: https://testnet.manu.backend.hamburg/faucet
//https://bitcoin.stackexchange.com/questions/59231/how-to-sign-a-segwit-transaction-via-nbitcoin
var net = NBitcoin.Network.TestNet;
BlockExplorer explorer = new BlockExplorer("https://testnet.blockexplorer.com/");
HDWallet wallet = new HDWallet("seed12345678ryan12345678", net);
uint path = 0;
var extkey = wallet.GetPrivateKey(path);
Key k = extkey.PrivateKey;
//This gives you a Bech32 address (currently not really interoperable in wallets, so you need to convert it into P2SH)
var address = k.PubKey.WitHash.GetAddress(net);
var p2sh = address.GetScriptAddress();
//p2sh is now an interoperable P2SH segwit address
//SENT TO: 2NGSoYM3yLi9SXvZc5yYcSwHWyCWzgBrP9X
//TXID 1397a4cc480879eae604ce871c47a4d690c6ea6a6dcfd7e38d95f31b81593556
var response = explorer.GetUnspent(p2sh.ToString());
List <ExplorerUnspent> unspent = response.Convert <List <ExplorerUnspent> >();
List <Transaction> transactions = new List <Transaction>();
foreach (var item in unspent)
{
string txcontent = "{\"txid\":\"6636b3fedb57be81232f92f80fa8d3df9a0f07305af2c7f705a7f353e516b1d7\",\"version\":1,\"locktime\":0,\"vin\":[{\"txid\":\"50b7d9a5fa1281e7020fa8a152835756e0d57d6b4d634b4251ab500e8630bc3e\",\"vout\":1,\"scriptSig\":{\"asm\":\"0014a16f4ba22e84c364ec4f8fe19d8a48762156b41e\",\"hex\":\"160014a16f4ba22e84c364ec4f8fe19d8a48762156b41e\"},\"sequence\":4294967295,\"n\":0,\"addr\":\"2N9viNVJ5MsAM8MXdUuATDwKeMjMLQkaXyR\",\"valueSat\":193987962850,\"value\":1939.8796285,\"doubleSpentTxID\":null}],\"vout\":[{\"value\":\"2.00000000\",\"n\":0,\"scriptPubKey\":{\"hex\":\"a9142f672b3ea4af55d9da43e507e3c060d2e34521ba87\",\"asm\":\"OP_HASH160 2f672b3ea4af55d9da43e507e3c060d2e34521ba OP_EQUAL\",\"addresses\":[\"2MwZsLbuB328gxHRfr1VDrfDrK6aWicQcAW\"],\"type\":\"scripthash\"},\"spentTxId\":null,\"spentIndex\":null,\"spentHeight\":null},{\"value\":\"1937.87862850\",\"n\":1,\"scriptPubKey\":{\"hex\":\"a914859695c2cb37ee30bf6a18943c8c27a3ac0e6faa87\",\"asm\":\"OP_HASH160 859695c2cb37ee30bf6a18943c8c27a3ac0e6faa OP_EQUAL\",\"addresses\":[\"2N5RaFdK3rgsNayXnkTQaSLKVBB3brW7G4m\"],\"type\":\"scripthash\"},\"spentTxId\":\"892e6facc4fc596852d41af367dd41f7a7ec1b11a319a202bc0d4c5b8f792f2f\",\"spentIndex\":0,\"spentHeight\":1255964}],\"blockhash\":\"000000000007dbc3ffd03559f2192b299bc0c20aa0aea8e1939f2731e01103e8\",\"blockheight\":1255946,\"confirmations\":123,\"time\":1514228293,\"blocktime\":1514228293,\"valueOut\":1939.8786285,\"size\":138,\"valueIn\":1939.8796285,\"fees\":0.001}";
ExplorerResponse txResponse = explorer.GetTransaction(item.txid);
RawFormat format = RawFormat.Satoshi;
var tx = Transaction.Parse(txResponse.data, format, net);
transactions.Add(tx);
}
//For spending, it works the same as a a normal P2SH
//You need to get the ScriptCoin, the RedeemScript of you script coin should be k.PubKey.WitHash.ScriptPubKey. var redeemScript = k.PubKey.WitHash.ScriptPubKey;
var redeemScript = k.PubKey.WitHash.ScriptPubKey;
Transaction received = transactions[0];
ScriptCoin coin = received.Outputs.AsCoins().First().ToScriptCoin(redeemScript);
//1397a4cc480879eae604ce871c47a4d690c6ea6a6dcfd7e38d95f31b81593556
BitcoinAddress destination = BitcoinAddress.Create("2N8hwP1WmJrFF5QWABn38y63uYLhnJYJYTF"); //the faucet return address
TransactionBuilder builder = new TransactionBuilder();
builder.AddCoins(coin);
builder.AddKeys(k);
builder.Send(destination, Money.Coins(1.99m));
builder.SendFees(Money.Coins(0.001m));
builder.SetChange(p2sh);
var signedTx = builder.BuildTransaction(true);
Console.WriteLine(signedTx.ToHex());
string x = ";;";
//Assert.True(builder.Verify(signedTx));
}
public ExplorerResponse GetTransaction(string txid)
{
ExplorerResponse exResponse = new ExplorerResponse();
try
{
string resource = $"/api/tx/{txid}";
var request = new RestRequest(resource, Method.GET);
RestResponse response = (RestSharp.RestResponse)client.Execute(request);
exResponse.data = response.Content;
}
catch (Exception ex)
{
exResponse.AddError(ex);
}
return(exResponse);
}
public void CreateBasicSwap(uint path, params string[] seed)
{
List <ExtKey> keys = new List <ExtKey>();
Segwit segwit = new Segwit(NBitcoin.Network.TestNet);
for (int i = 0; i < seed.Length; i++)
{
var key = GetKey(path, seed[i]);
var address = segwit.GetP2SHAddress(key);
keys.Add(key);
//Console.WriteLine(address.ToString());
}
MultiSig multi = new MultiSig(NBitcoin.Network.TestNet);
var p2sh = multi.GetP2SHAddress(2, keys.ToArray());
Console.WriteLine(p2sh.ToString());
//multi: b2366808fa2396a5a32120a27f55571055491d6ff8e6bd1e31e52bdd14b91dfb
REST.BlockExplorer explorer = new REST.BlockExplorer("https://testnet.blockexplorer.com/");
//var tx = explorer.GetTransaction("b2366808fa2396a5a32120a27f55571055491d6ff8e6bd1e31e52bdd14b91dfb");
var response = explorer.GetUnspent(p2sh.ToString());
List <ExplorerUnspent> unspent = response.Convert <List <ExplorerUnspent> >();
List <Transaction> transactions = new List <Transaction>();
foreach (var item in unspent)
{
ExplorerResponse txResponse = explorer.GetTransaction(item.txid);
RawFormat format = RawFormat.Satoshi;
var tx = Transaction.Parse(txResponse.data, format, Network.TestNet);
transactions.Add(tx);
}
//Create send transaction.
//get redeem script
var redeemScript = multi.GetRedeemScript(2, keys.ToArray());
Transaction received = transactions[0];
ScriptCoin coin = received.Outputs.AsCoins().First().ToScriptCoin(redeemScript);
//create transaction:
BitcoinAddress destination = BitcoinAddress.Create("2N8hwP1WmJrFF5QWABn38y63uYLhnJYJYTF"); //the faucet return address
TransactionBuilder builder = new TransactionBuilder();
builder.AddCoins(coin);
builder.Send(destination, Money.Coins(1.299m));
builder.SendFees(Money.Coins(0.001m));
builder.SetChange(destination);
//builder.
var unsigned = builder.BuildTransaction(sign: false);
var signedA = builder.AddCoins(coin).AddKeys(keys[0].PrivateKey).SignTransaction(unsigned);
Transaction signedB = builder.AddCoins(coin).AddKeys(keys[1].PrivateKey).SignTransaction(signedA);
Transaction fullySigned = builder.AddCoins(coin).CombineSignatures(signedA, signedB);
Console.WriteLine(fullySigned.ToHex());
Console.ReadLine();
}
public void NewCreateBasicSwap(uint path, params string[] seed)
{
List <ExtKey> keys = new List <ExtKey>();
Segwit segwit = new Segwit(NBitcoin.Network.TestNet);
for (int i = 0; i < seed.Length; i++)
{
var key = GetKey(path, seed[i]);
//var address = segwit.GetP2SHAddress(key);
keys.Add(key);
//Console.WriteLine(address.ToString());
}
NBitcoin.Network _Network = NBitcoin.Network.TestNet;
MultiSig multi = new MultiSig(NBitcoin.Network.TestNet);
List <PubKey> pubKeys = new List <PubKey>();
for (int i = 0; i < keys.Count; i++)
{
pubKeys.Add(keys[i].PrivateKey.PubKey);
}
Script pubKeyScript = PayToMultiSigTemplate.Instance.GenerateScriptPubKey(2, pubKeys.ToArray());
BitcoinAddress address = pubKeyScript.WitHash.GetAddress(_Network);
BitcoinScriptAddress p2sh = address.GetScriptAddress();
Console.WriteLine("Send money here: " + p2sh.ToString());
REST.BlockExplorer explorer = new REST.BlockExplorer("https://testnet.blockexplorer.com/");
var response = explorer.GetUnspent(p2sh.ToString());
List <ExplorerUnspent> unspent = response.Convert <List <ExplorerUnspent> >();
List <Transaction> transactions = new List <Transaction>();
foreach (var item in unspent)
{
ExplorerResponse txResponse = explorer.GetTransaction(item.txid);
RawFormat format = RawFormat.Satoshi;
var tx = Transaction.Parse(txResponse.data, format, Network.TestNet);
transactions.Add(tx);
}
//Create send transaction.
//get redeem script
//var redeemScript = PayToMultiSigTemplate.Instance.GenerateScriptPubKey(2, pubKeys.ToArray());// multi.GetRedeemScript(2, keys.ToArray());
Transaction received = transactions[0];
ScriptCoin coin = received.Outputs.AsCoins().First().ToScriptCoin(pubKeyScript.WitHash.ScriptPubKey.Hash.ScriptPubKey);
//create transaction:
BitcoinAddress destination = BitcoinAddress.Create("2N8hwP1WmJrFF5QWABn38y63uYLhnJYJYTF"); //the faucet return address
TransactionBuilder builder = new TransactionBuilder();
builder.AddCoins(coin);
builder.Send(destination, Money.Coins(1.299m));
builder.SendFees(Money.Coins(0.001m));
builder.SetChange(destination);
//builder.
var unsigned = builder.BuildTransaction(sign: false);
var signedA = builder.AddCoins(coin).AddKeys(keys[0].PrivateKey).SignTransaction(unsigned);
Transaction signedB = builder.AddCoins(coin).AddKeys(keys[1].PrivateKey).SignTransaction(signedA);
Transaction fullySigned = builder.AddCoins(coin).CombineSignatures(signedA, signedB);
Console.WriteLine(fullySigned.ToHex());
Console.ReadLine();
}
