private void FormDetails_Load(object sender, EventArgs e)
{
string address = "";
string bitcoinAddress = "";
string hash = "";
string script = "";
string base58Type = "";
Type type = Address.GetType();
using (new HourGlass())
{
switch (type.ToString())
{
case "NBitcoin.BitcoinScriptAddress":
BitcoinScriptAddress bsa = Address as BitcoinScriptAddress;
bitcoinAddress = bsa.ToString();
hash = bsa.Hash.ToString();
script = bsa.ScriptPubKey.ToString();
base58Type = bsa.Type.ToString();
break;
case "NBitcoin.BitcoinAddress":
BitcoinAddress ba = Address as BitcoinAddress;
bitcoinAddress = ba.ToString();
hash = ba.Hash.ToString();
script = ba.ScriptPubKey.ToString();
base58Type = ba.Type.ToString();
break;
case "NBitcoin.Stealth.BitcoinStealthAddress":
BitcoinStealthAddress stealth = Address as BitcoinStealthAddress;
bitcoinAddress = stealth.ToString();
hash = stealth.ScanPubKey.Hash.ToString();
script = stealth.ScanPubKey.ScriptPubKey.ToString();
base58Type = stealth.Type.ToString();
break;
case "NBitcoin.BitcoinColoredAddress":
BitcoinColoredAddress colored = Address as BitcoinColoredAddress;
address = colored.ToString();
bitcoinAddress = colored.Address.ToString();
hash = colored.Address.Hash.ToString();
script = colored.ScriptPubKey.ToString();
base58Type = colored.Type.ToString();
break;
default:
textBoxType.Text = type.ToString();
break;
}
}
textBoxAddress.Text = address;
textBoxBitcoinAddress.Text = bitcoinAddress;
textBoxPubHash.Text = hash;
textBoxScriptPubKey.Text = script;
textBoxType.Text = base58Type;
textBoxBitcoinAddress.Focus();
}
private void ValidateConversion <T>(TestVector vector, BitcoinAddress address) where T : BitcoinAddress
{
Assert.NotNull(address);
var key = address as T;
// Perform some validations
Assert.NotNull(key);
Assert.Equal(vector.Type, GetAddressType(key));
Assert.Equal(CashFormat.Legacy, GetAddressFormat(key));
Assert.Equal(vector.Legacy, key.ToString());
// Convert to CashAddr format
var cashAddrKey = ConvertAddressToCashAddr(key);
// And perform some validations
Assert.NotNull(cashAddrKey);
Assert.Equal(vector.Type, GetAddressType(cashAddrKey));
Assert.Equal(CashFormat.Cashaddr, GetAddressFormat(cashAddrKey));
Assert.Equal(vector.CashAddr, cashAddrKey.ToString());
// Convert back to legacy and validate it
var legacyAddrKey = ConvertAddressToLegacy(cashAddrKey);
Assert.NotNull(legacyAddrKey);
Assert.Equal(vector.Type, GetAddressType(legacyAddrKey));
Assert.Equal(CashFormat.Legacy, GetAddressFormat(legacyAddrKey));
Assert.Equal(vector.Legacy, legacyAddrKey.ToString());
// Raw mode validation
var legacyHashBytes = GetHashBytes(legacyAddrKey);
var legacyHashString = Encoders.Hex.EncodeData(legacyHashBytes);
Assert.Equal(vector.Hash, legacyHashString);
var cashAddrHashBytes = GetHashBytes(cashAddrKey);
var cashAddrHashString = Encoders.Hex.EncodeData(cashAddrHashBytes);
Assert.Equal(vector.Hash, cashAddrHashString);
// Try to recreate addresses with hashes
switch (address)
{
case BitcoinPubKeyAddress pubKey:
var pubKey2 = new BitcoinPubKeyAddress(pubKey.Hash, pubKey.Network);
Assert.Equal(vector.CashAddr, pubKey2.ToString());
break;
case BitcoinScriptAddress scriptKey:
var scriptKey2 = new BitcoinScriptAddress(scriptKey.Hash, scriptKey.Network);
Assert.Equal(vector.CashAddr, scriptKey2.ToString());
break;
default:
throw new InvalidOperationException();
}
}
public async Task <IAddressMainInfo> GetMainInfoAsync(string id)
{
if (BitcoinAddressHelper.IsBitcoinColoredAddress(id, _appSettings.BcnExploler.UsedNetwork()))
{
var result = new BitcoinColoredAddress(id, _appSettings.BcnExploler.UsedNetwork());
return(new AddressMainInfo
{
AddressId = id,
ColoredAddress = result.ToWif(),
UncoloredAddress = result.Address.ToString(),
IsColored = true
});
}
if (BitcoinAddressHelper.IsBitcoinPubKeyAddress(id, _appSettings.BcnExploler.UsedNetwork()))
{
var result = new BitcoinPubKeyAddress(id, _appSettings.BcnExploler.UsedNetwork());
return(new AddressMainInfo
{
AddressId = id,
ColoredAddress = result.ToColoredAddress().ToWif(),
UncoloredAddress = result.ToString(),
IsColored = false
});
}
if (BitcoinAddressHelper.IsBitcoinScriptAddress(id, _appSettings.BcnExploler.UsedNetwork()))
{
var result = new BitcoinScriptAddress(id, _appSettings.BcnExploler.UsedNetwork());
return(new AddressMainInfo
{
AddressId = id,
ColoredAddress = result.ToColoredAddress().ToWif(),
UncoloredAddress = result.ToString(),
IsColored = false
});
}
return(null);
}
public void ScriptKeyAddressConversion()
{
foreach (var vector in TestVectorArray.Where(x => x.Type == Base58Type.SCRIPT_ADDRESS))
{
var addr = BitcoinAddress.Create(vector.Legacy, Network.Main);
Assert.NotNull(addr);
var legacyScriptKey = new BitcoinScriptAddress(vector.Legacy);
Assert.Equal(vector.Legacy, legacyScriptKey.ToString());
Assert.Equal(Network.Main, legacyScriptKey.Network);
Assert.Equal(vector.Hash, Encoders.Hex.EncodeData(legacyScriptKey.Hash.ToBytes()));
var cashAddrScriptKey = new BitcoinScriptAddress(vector.CashAddr);
Assert.Equal(vector.CashAddr, cashAddrScriptKey.ToString());
Assert.Equal(Network.Main, cashAddrScriptKey.Network);
Assert.Equal(vector.Hash, Encoders.Hex.EncodeData(cashAddrScriptKey.Hash.ToBytes()));
ValidateConversion <BitcoinScriptAddress>(vector, addr);
}
}
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();
}
private CreationCommitmentResult CreateCommitmentTransaction(IWalletAddress wallet, PubKey lockedPubKey, PubKey unlockedPubKey, PubKey revokePubKey, PubKey multisigPairPubKey,
IAsset asset, decimal lockedAmount, decimal unlockedAmount, string channelTr)
{
var multisig = new BitcoinScriptAddress(wallet.MultisigAddress, _connectionParams.Network);
var channel = new Transaction(channelTr);
var spendCoin = FindCoin(channel, multisig.ToString(), wallet.RedeemScript, lockedAmount + unlockedAmount, asset);
if (spendCoin == null)
{
throw new BackendException($"Not found output in setup channel with amount {lockedAmount + unlockedAmount}", ErrorCode.NoCoinsFound);
}
TransactionBuilder builder = new TransactionBuilder();
builder.AddCoins(spendCoin);
long additionalBtc = 0;
var script = CreateOffchainScript(multisigPairPubKey, revokePubKey, lockedPubKey);
var unlockedAddress = unlockedPubKey.GetAddress(_connectionParams.Network);
var lockedAddress = script.GetScriptAddress(_connectionParams.Network);
if (OpenAssetsHelper.IsBitcoin(asset.Id))
{
if (unlockedAmount > 0)
{
builder.Send(unlockedAddress, new Money(unlockedAmount, MoneyUnit.BTC));
}
if (lockedAmount > 0)
{
builder.Send(lockedAddress, new Money(lockedAmount, MoneyUnit.BTC));
}
}
else
{
var sendAmount = ((ColoredCoin)spendCoin).Bearer.Amount;
var dustAmount = 0L;
var assetId = new BitcoinAssetId(asset.BlockChainAssetId).AssetId;
if (unlockedAmount > 0)
{
builder.SendAsset(unlockedAddress, new AssetMoney(assetId, unlockedAmount, asset.MultiplierPower));
dustAmount += new TxOut(Money.Zero, unlockedAddress.ScriptPubKey).GetDustThreshold(builder.StandardTransactionPolicy.MinRelayTxFee);
}
if (lockedAmount > 0)
{
builder.Send(lockedAddress, new AssetMoney(assetId, lockedAmount, asset.MultiplierPower));
dustAmount += new TxOut(Money.Zero, lockedAddress.ScriptPubKey).GetDustThreshold(builder.StandardTransactionPolicy.MinRelayTxFee);
}
additionalBtc = dustAmount - sendAmount;
}
var fakeFee = new Money(1, MoneyUnit.BTC);
var fakeAmount = additionalBtc + fakeFee;
builder.SendFees(fakeFee);
_transactionBuildHelper.AddFakeInput(builder, fakeAmount);
var tr = builder.BuildTransaction(true);
_transactionBuildHelper.RemoveFakeInput(tr);
return(new CreationCommitmentResult(tr, lockedAddress.ToString(), script.ToHex()));
}
public async Task <string> CreateUnsignedChannel(string clientPubKey, string hotWalletPubKey, decimal clientAmount, decimal hubAmount, IAsset asset)
{
var address = await _multisigService.GetMultisig(clientPubKey);
if (address == null)
{
throw new BackendException($"Client {clientPubKey} is not registered", ErrorCode.BadInputParameter);
}
var multisig = new BitcoinScriptAddress(address.MultisigAddress, _connectionParams.Network);
var clientAddress = new PubKey(clientPubKey).GetAddress(_connectionParams.Network);
var hotWalletAddress = new PubKey(hotWalletPubKey).GetAddress(_connectionParams.Network);
TransactionBuildContext context = new TransactionBuildContext(_connectionParams.Network, _pregeneratedOutputsQueueFactory);
var currentChannel = await _offchainChannelRepository.GetChannel(address.MultisigAddress, asset.Id);
if (currentChannel != null && !currentChannel.IsBroadcasted)
{
throw new BackendException("There is another pending channel setup", ErrorCode.AnotherChannelSetupExists);
}
return(await context.Build(async() =>
{
var builder = new TransactionBuilder();
var multisigAmount = await SendToMultisig(multisig, multisig, asset, builder, context, -1);
decimal clientChannelAmount, hubChannelAmount;
if (currentChannel == null)
{
clientChannelAmount = Math.Max(0, clientAmount - multisigAmount);
hubChannelAmount = hubAmount;
await SendToMultisig(clientAddress, multisig, asset, builder, context, clientChannelAmount);
await SendToMultisig(hotWalletAddress, multisig, asset, builder, context, hubAmount);
clientChannelAmount += multisigAmount;
}
else
{
clientChannelAmount = Math.Max(0, clientAmount - currentChannel.ClientAmount);
hubChannelAmount = Math.Max(0, hubAmount - currentChannel.HubAmount);
await SendToMultisig(clientAddress, multisig, asset, builder, context, clientChannelAmount);
await SendToMultisig(hotWalletAddress, multisig, asset, builder, context, hubChannelAmount);
clientChannelAmount += currentChannel.ClientAmount;
hubChannelAmount += currentChannel.HubAmount;
}
await _transactionBuildHelper.AddFee(builder, context);
var tr = builder.BuildTransaction(true);
_transactionBuildHelper.AggregateOutputs(tr);
var hex = tr.ToHex();
var channel = await _offchainChannelRepository.CreateChannel(multisig.ToString(), asset.Id, hex, clientChannelAmount, hubChannelAmount);
await _broadcastedOutputRepository.InsertOutputs(OpenAssetsHelper.OrderBasedColoringOutputs(tr, context)
.Select(o => new BroadcastedOutput(o, channel.ChannelId, _connectionParams.Network)));
return hex;
}));
}
