public static CetSigs ParseFromTLV(TLVReader reader)
{
CetSigs cet = new CetSigs();
using (var r = reader.StartReadRecord())
{
if (r.Type != AdaptorSigsTLVType)
{
throw new FormatException("Invalid TLV type, expected adaptor sigs");
}
List <AdaptorSignature> sigs = new List <AdaptorSignature>();
while (!r.IsEnd)
{
sigs.Add(AdaptorSignature.ParseFromTLV(reader));
}
cet.OutcomeSigs = sigs.ToArray();
}
Span <byte> buf = stackalloc byte[64];
reader.ReadBytes(buf);
if (!ECDSASignature.TryParseFromCompact(buf, out var sig))
{
throw new FormatException("Invalid DER signature");
}
cet.RefundSig = sig;
return(cet);
}
public static bool TryParse(string str, out AdaptorSignature?result)
{
if (str == null)
{
throw new ArgumentNullException(nameof(str));
}
var bytes = Encoders.Hex.DecodeData(str);
if (bytes.Length == 65 + 97 &&
SecpECDSAAdaptorSignature.TryCreate(bytes.AsSpan().Slice(0, 65), out var sig) &&
SecpECDSAAdaptorProof.TryCreate(bytes.AsSpan().Slice(65), out var proof) &&
sig is SecpECDSAAdaptorSignature && proof is SecpECDSAAdaptorProof)
{
result = new AdaptorSignature(sig, proof);
return(true);
}
result = null;
return(false);
}
