public override int EstimateScriptSigSize(ICoin coin)
{
var scriptPubKey = coin.GetScriptCode();
var p2mk = PayToMultiSigTemplate.Instance.ExtractScriptPubKeyParameters(scriptPubKey);
return(PayToMultiSigTemplate.Instance.GenerateScriptSig(Enumerable.Range(0, p2mk.SignatureCount).Select(o => DummySignature).ToArray()).Length);
}
private bool SafeContainsCoin(out string address, ICoin coin)
{
try
{
address = coin.GetScriptCode().GetDestinationAddress(_Network).ToWif();
}
catch
{
// Not concerned, safe can't contain something like this
address = null;
return(false);
}
return(Safe.Addresses.Contains(address));
}
public override bool CanEstimateScriptSigSize(ICoin coin)
{
return(CanSign(coin.GetScriptCode()));
}
public override bool Match(ICoin coin, PSBTInput input)
{
return(CanSign(coin.GetScriptCode()));
}
public uint256 GetSignatureHash(ICoin coin, SigHash sigHash = SigHash.All)
{
return(Script.SignatureHash(coin.GetScriptCode(), Transaction, (int)Index, sigHash, coin.TxOut.Value, coin.GetHashVersion()));
}
public Script GetScriptCode()
{
return(innerCoin.GetScriptCode());
}
private Script CreateScriptSig(TransactionSigningContext ctx, ICoin coin, IndexedTxIn txIn)
{
var scriptPubKey = coin.GetScriptCode();
var keyRepo = new TransactionBuilderKeyRepository(this, ctx);
var signer = new TransactionBuilderSigner(coin, ctx.SigHash, txIn);
foreach(var extension in Extensions)
{
if(extension.CanGenerateScriptSig(scriptPubKey))
{
return extension.GenerateScriptSig(scriptPubKey, keyRepo, signer);
}
}
throw new NotSupportedException("Unsupported scriptPubKey");
}
private Script CombineScriptSigs(ICoin coin, Script a, Script b)
{
var scriptPubkey = coin.GetScriptCode();
if(Script.IsNullOrEmpty(a))
return b ?? Script.Empty;
if(Script.IsNullOrEmpty(b))
return a ?? Script.Empty;
foreach(var extension in Extensions)
{
if(extension.CanCombineScriptSig(scriptPubkey, a, b))
{
return extension.CombineScriptSig(scriptPubkey, a, b);
}
}
return a.Length > b.Length ? a : b; //Heurestic
}