static bool NeedUTXO(PSBTInput input)
{
if (input.IsFinalized())
{
return(false);
}
var needNonWitnessUTXO = !input.PSBT.Network.Consensus.NeverNeedPreviousTxForSigning &&
!((input.GetSignableCoin() ?? input.GetCoin())?.GetHashVersion() is HashVersion.Witness);
if (needNonWitnessUTXO)
{
return(input.NonWitnessUtxo == null);
}
else
{
return(input.WitnessUtxo == null && input.NonWitnessUtxo == null);
}
}
private static PSBTInput ComposePSBTInput(
PSBTInput psbtin, HDKeyPathKVMap hdKeyPaths,
PartialSigKVMap partialSigs,
UnknownKVMap unknown
)
{
foreach (var item in hdKeyPaths)
{
psbtin.HDKeyPaths.Add(item.Key, item.Value);
}
foreach (var item in partialSigs)
{
psbtin.PartialSigs.Add(item.Key, item.Value);
}
foreach (var item in unknown)
{
psbtin.Unknown.Add(item.Key, item.Value);
}
return(psbtin);
}
public FundingInput(PSBTInput input)
: this(input.GetCoin() ?? throw new InvalidOperationException("The PSBT is missing witness_utxo"))
{
if (input.Unknown.TryGetValue(FundingInformation.MaxWitnessLengthKey, out var v))
{
MaxWitnessLength = (int)Utils.ToUInt32(v, true);
}
if (input.RedeemScript is Script)
{
RedeemScript = input.RedeemScript;
}
if (input.NonWitnessUtxo is Transaction)
{
InputTransaction = input.NonWitnessUtxo;
}
Index = input.Index;
Sequence = input.PSBT.GetOriginalTransaction().Inputs[input.Index].Sequence;
if (MaxWitnessLength is null)
{
this.SetRecommendedMaxWitnessLength();
}
}
static bool NotFinalized(PSBTInput input)
{
return(!input.IsFinalized());
}
static bool NeedNonWitnessUtxo(PSBTInput input)
{
return(!((input.GetSignableCoin() ?? input.GetCoin())?.GetHashVersion() is HashVersion.Witness));
}
public override bool Match(ICoin coin, PSBTInput input)
{
return(CanSign(coin.GetScriptCode()));
}
public void CanSerializeInputAsymmetric(PSBTInput psbtin) => SerializeAsymmetric(psbtin);
public override bool Match(ICoin coin, PSBTInput input)
{
return(coin.TxOut.ScriptPubKey.IsScriptType(ScriptType.Taproot) &&
PayToTaprootTemplate.Instance.CheckScriptPubKey(coin.TxOut.ScriptPubKey));
}
public abstract bool Match(ICoin coin, PSBTInput input);
