public Script GenerateScriptSig(TransactionSignature[] signatures, Script redeemScript)
{
List<Op> ops = new List<Op>();
PayToMultiSigTemplate multiSigTemplate = new PayToMultiSigTemplate();
bool multiSig = multiSigTemplate.CheckScriptPubKey(redeemScript);
if(multiSig)
ops.Add(OpcodeType.OP_0);
foreach(var sig in signatures)
{
ops.Add(sig == null ? OpcodeType.OP_0 : Op.GetPushOp(sig.ToBytes()));
}
return GenerateScriptSig(ops.ToArray(), redeemScript);
}
public StealthPayment(int sigCount, PubKey[] spendPubKeys, Key privateKey, PubKey publicKey, StealthMetadata metadata)
{
Metadata = metadata;
if (sigCount == 1 && spendPubKeys.Length == 1)
{
var template = new PayToPubkeyHashTemplate();
SpendableScript = template.GenerateScriptPubKey(spendPubKeys[0].Uncover(privateKey, publicKey).ID);
}
else
{
var template = new PayToMultiSigTemplate();
SpendableScript = template.GenerateScriptPubKey(sigCount, spendPubKeys.Select(p => p.Uncover(privateKey, publicKey)).ToArray());
}
ParseSpendable();
}
public StealthPayment(int sigCount, PubKey[] spendPubKeys, Key privateKey, PubKey publicKey, StealthMetadata metadata)
{
Metadata = metadata;
if(sigCount == 1 && spendPubKeys.Length == 1)
{
var template = new PayToPubkeyHashTemplate();
SpendableScript = template.GenerateScriptPubKey(spendPubKeys[0].Uncover(privateKey, publicKey).ID);
}
else
{
var template = new PayToMultiSigTemplate();
SpendableScript = template.GenerateScriptPubKey(sigCount, spendPubKeys.Select(p => p.Uncover(privateKey, publicKey)).ToArray());
}
ParseSpendable();
}
public IEnumerable <KeyId> GetDestinations()
{
var single = GetDestination();
if (single != null)
{
yield return(single);
}
else
{
var result = new PayToMultiSigTemplate().ExtractScriptPubKeyParameters(this);
if (result != null)
{
foreach (var key in result.PubKeys)
{
yield return(key.ID);
}
}
}
}
private void ParseSpendable()
{
List <KeyId> pubkeys = new List <KeyId>();
var payToHash = new PayToPubkeyHashTemplate();
var keyId = payToHash.ExtractScriptPubKeyParameters(SpendableScript);
if (keyId != null)
{
StealthKeys = new StealthSpendKey[] { new StealthSpendKey(keyId, this) };
}
else
{
var payToMultiSig = new PayToMultiSigTemplate();
var para = payToMultiSig.ExtractScriptPubKeyParameters(SpendableScript);
if (para == null)
{
throw new ArgumentException("Invalid stealth spendable output script", "spendable");
}
StealthKeys = para.PubKeys.Select(k => new StealthSpendKey(k.ID, this)).ToArray();
}
}
/// <summary>
/// Extract public keys if this script is a multi sig or pay to pub key scriptPubKey
/// </summary>
/// <param name="network"></param>
/// <returns></returns>
public PubKey[] GetDestinationPublicKeys()
{
List <PubKey> result = new List <PubKey>();
var single = new PayToPubkeyTemplate().ExtractScriptPubKeyParameters(this);
if (single != null)
{
result.Add(single);
}
else
{
var multiSig = new PayToMultiSigTemplate().ExtractScriptPubKeyParameters(this);
if (multiSig != null)
{
foreach (var key in multiSig.PubKeys)
{
result.Add(key);
}
}
}
return(result.ToArray());
}
public Script GenerateScriptSig(TransactionSignature[] signatures, Script redeemScript)
{
List<Op> ops = new List<Op>();
PayToMultiSigTemplate multiSigTemplate = new PayToMultiSigTemplate();
bool multiSig = multiSigTemplate.CheckScriptPubKey(redeemScript);
if(multiSig)
ops.Add(OpcodeType.OP_0);
foreach(var sig in signatures)
{
ops.Add(sig == null ? OpcodeType.OP_0 : Op.GetPushOp(sig.ToBytes()));
}
return GenerateScriptSig(ops.ToArray(), redeemScript);
}
private void ParseSpendable()
{
List<KeyId> pubkeys = new List<KeyId>();
var payToHash = new PayToPubkeyHashTemplate();
var keyId = payToHash.ExtractScriptPubKeyParameters(SpendableScript);
if(keyId != null)
{
StealthKeys = new StealthSpendKey[] { new StealthSpendKey(keyId, this) };
}
else
{
var payToMultiSig = new PayToMultiSigTemplate();
var para = payToMultiSig.ExtractScriptPubKeyParameters(SpendableScript);
if(para == null)
throw new ArgumentException("Invalid stealth spendable output script", "spendable");
StealthKeys = para.PubKeys.Select(k => new StealthSpendKey(k.ID, this)).ToArray();
}
}
public IEnumerable<KeyId> GetDestinations()
{
var single = GetDestination();
if(single != null)
{
yield return single;
}
else
{
var result = new PayToMultiSigTemplate().ExtractScriptPubKeyParameters(this);
if(result != null)
{
foreach(var key in result.PubKeys)
{
yield return key.ID;
}
}
}
}
