public static ReadOnlyMemory <byte> CreateMultiSigRedeemScript(IEnumerable <ECPoint> publicKeys, int count)
{
var comparer = new ECPointComparer();
var buffer = new ArrayBufferWriter <byte>();
var writer = new BufferWriter <byte>(buffer);
writer.EmitPush(count);
foreach (var key in publicKeys.OrderBy(pk => pk, comparer))
{
if (!EncodedPublicKey.TryEncode(key, true, out var encodedKey))
{
throw new ArgumentException(nameof(publicKeys));
}
writer.EmitPush(encodedKey.Key.AsSpan());
}
writer.EmitPush(publicKeys.Count());
writer.EmitOpCode(OpCode.CHECKMULTISIG);
writer.Commit();
return(buffer.WrittenMemory);
}