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);
}
}
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 NeedNonWitnessUtxo(PSBTInput input)
{
return(!((input.GetSignableCoin() ?? input.GetCoin())?.GetHashVersion() is HashVersion.Witness));
}
