private static string Validate(string base58, ref Network expectedNetwork)
{
PubKey p = null;
TxDestination h = null;
return(Validate(base58, ref expectedNetwork, ref p, ref h));
}
public override bool Equals(object obj)
{
TxDestination item = obj as TxDestination;
if (item == null)
{
return(false);
}
return(Utils.ArrayEqual(_DestBytes, item._DestBytes) && item.GetType() == this.GetType());
}
public override bool Equals(object obj)
{
TxDestination item = obj as TxDestination;
if (item == null)
{
return(false);
}
return(_Dest.Equals(item._Dest));
}
public BitcoinBlindedAddress(PubKey blindingKey, TxDestination keyId, Network network)
: base(NotNull(keyId, nameof(keyId)) ??
NotNull(blindingKey, nameof(blindingKey)) ??
Network.CreateBase58(Base58Type.BLINDED_ADDRESS,
network.GetVersionBytes(((IBase58Data)keyId.GetAddress(network)).Type, true)
.Concat(blindingKey.ToBytes())
.Concat(keyId.ToBytes()), network), network)
{
_BlindingKey = blindingKey;
_Hash = keyId;
}
/// <summary>
/// Create scriptPubKey from destination id
/// </summary>
/// <param name="id"></param>
/// <returns></returns>
public static Script CreateFromDestination(TxDestination id)
{
if (id is ScriptId)
{
return(PayToScriptHashTemplate.Instance.GenerateScriptPubKey((ScriptId)id));
}
if (id is KeyId)
{
return(PayToPubkeyHashTemplate.Instance.GenerateScriptPubKey((KeyId)id));
}
throw new NotSupportedException();
}
public BitcoinBlindedAddress(string base58, Network expectedNetwork = null)
: base(Validate(base58, ref expectedNetwork), expectedNetwork)
{
var data = Encoders.Base58Check.DecodeData(base58);
PubKey p = null;
TxDestination h = null;
Validate(base58, ref expectedNetwork, ref p, ref h);
_Hash = h;
_BlindingKey = p;
}
public BitcoinAddress CreateBitcoinAddress(TxDestination dest)
{
if (dest == null)
{
throw new ArgumentNullException("dest");
}
if (dest is ScriptId)
{
return(CreateBitcoinScriptAddress((ScriptId)dest));
}
if (dest is KeyId)
{
return(new BitcoinAddress((KeyId)dest, this));
}
throw new ArgumentException("Invalid dest type", "dest");
}
/// <summary>
/// Create scriptPubKey from destination id
/// </summary>
/// <param name="id"></param>
/// <returns></returns>
public static Script CreateFromDestination(TxDestination id)
{
var scriptId = id as ScriptId;
if (scriptId != null)
{
return(PayToScriptHashTemplate.Instance.GenerateScriptPubKey(scriptId));
}
var pubkeyHash = id as KeyId;
if (pubkeyHash != null)
{
return(PayToPubkeyHashTemplate.Instance.GenerateScriptPubKey(pubkeyHash));
}
throw new NotSupportedException();
}
public ScriptCoin AssertCoherent(Network network)
{
if (Redeem == null)
{
throw new ArgumentException("redeem cannot be null", "redeem");
}
TxDestination expectedDestination = GetRedeemHash(network, TxOut.ScriptPubKey);
if (expectedDestination == null)
{
throw new ArgumentException("the provided scriptPubKey is not P2SH or P2WSH");
}
if (expectedDestination is ScriptId)
{
if (PayToWitScriptHashTemplate.Instance.CheckScriptPubKey(network, Redeem))
{
throw new ArgumentException("The redeem script provided must be the witness one, not the P2SH one");
}
if (expectedDestination.ScriptPubKey != Redeem.Hash.ScriptPubKey)
{
if (Redeem.WitHash.ScriptPubKey.Hash.ScriptPubKey != expectedDestination.ScriptPubKey)
{
throw new ArgumentException("The redeem provided does not match the scriptPubKey of the coin");
}
}
}
else if (expectedDestination is WitScriptId)
{
if (expectedDestination.ScriptPubKey != Redeem.WitHash.ScriptPubKey)
{
throw new ArgumentException("The redeem provided does not match the scriptPubKey of the coin");
}
}
else
{
throw new NotSupportedException("Not supported redeemed scriptPubkey");
}
return(this);
}
public static BitcoinAddress Create(TxDestination id, Network network)
{
if (id == null)
{
throw new ArgumentNullException("id");
}
if (network == null)
{
throw new ArgumentNullException("network");
}
if (id is KeyId)
{
return(new BitcoinAddress(id, network));
}
if (id is ScriptId)
{
return(new BitcoinScriptAddress((ScriptId)id, network));
}
throw new NotSupportedException();
}
protected BitcoinAddress(TxDestination dest, Network network)
: base(dest.ToBytes(), network)
{
}
public static BitcoinAddress Create(TxDestination id, Network network)
{
if(id == null)
throw new ArgumentNullException("id");
if(network == null)
throw new ArgumentNullException("network");
if(id is KeyId)
return new BitcoinAddress(id, network);
if(id is ScriptId)
return new BitcoinScriptAddress((ScriptId)id, network);
throw new NotSupportedException();
}
/// <summary>
/// Create scriptPubKey from destination id
/// </summary>
/// <param name="id"></param>
/// <returns></returns>
public static Script CreateFromDestination(TxDestination id)
{
var scriptId = id as ScriptId;
if(scriptId != null)
return PayToScriptHashTemplate.Instance.GenerateScriptPubKey(scriptId);
var pubkeyHash = id as KeyId;
if(pubkeyHash != null)
return PayToPubkeyHashTemplate.Instance.GenerateScriptPubKey(pubkeyHash);
throw new NotSupportedException();
}
private static string Validate(string base58, ref Network expectedNetwork, ref PubKey blinding, ref TxDestination hash)
{
if (base58 == null)
{
throw new ArgumentNullException("base58");
}
var networks = expectedNetwork == null?Network.GetNetworks() : new[] { expectedNetwork };
var data = Encoders.Base58Check.DecodeData(base58);
foreach (var network in networks)
{
bool isP2SH = false;
var versionBytes = network.GetVersionBytes(Base58Type.BLINDED_ADDRESS, false);
if (versionBytes == null || !data.StartWith(versionBytes))
{
continue;
}
var innerData = data.Skip(versionBytes.Length).ToArray();
var versionBytes2 = network.GetVersionBytes(Base58Type.PUBKEY_ADDRESS, false);
if (!innerData.StartWith(versionBytes2))
{
versionBytes2 = network.GetVersionBytes(Base58Type.SCRIPT_ADDRESS, false);
if (!innerData.StartWith(versionBytes2))
{
continue;
}
isP2SH = true;
}
if (innerData.Length != versionBytes2.Length + 33 + 20)
{
continue;
}
try
{
blinding = new PubKey(innerData.SafeSubarray(versionBytes2.Length, 33));
var h = innerData.SafeSubarray(versionBytes2.Length + 33, 20);
hash = isP2SH ? (TxDestination) new ScriptId(h) : new KeyId(h);
}
catch (FormatException) { continue; }
expectedNetwork = network;
return(base58);
}
throw new FormatException("Invalid BitcoinBlindedAddress");
}
public BitcoinAddress(TxDestination id, Network network)
: base(id.ToBytes(), network)
{
}
private void SetDestination(TxDestination destination)
{
ScriptPubKey = destination.CreateScriptPubKey();
}
private Key FindKey(TransactionSigningContext ctx, TxDestination id)
{
return(_Keys
.Concat(ctx.AdditionalKeys)
.FirstOrDefault(k => k.PubKey.Hash == id));
}
public BitcoinAddress(TxDestination id, Network network)
: base(id.ToBytes(), network)
{
}
private void SetDestination(TxDestination destination)
{
ScriptPubKey = destination.CreateScriptPubKey();
}
protected BitcoinAddress(TxDestination dest, Network network)
: base(dest.ToBytes(), network)
{
}
