private static void Check_lax_sig(string expr)
{
var secp = Secp256K1.WithoutCaps();
var sigBytes = HexUtil.from_hex(expr);
var sig = Signiture.from_der/*_lax*/ (secp, sigBytes);
Assert.NotEmpty(sig.Value);
}
public void Test_pubkey_from_slice_bad_context()
{
var s = Secp256K1.WithoutCaps();
var sk = SecretKey.New(s, RandomNumberGenerator.Create());
var ex = Assert.Throws <Exception>(() => { PublicKey.from_secret_key(s, sk); });
Assert.Equal("IncapableContext", ex.Message);
s = Secp256K1.WithCaps(ContextFlag.VerifyOnly);
ex = Assert.Throws <Exception>(() => { PublicKey.from_secret_key(s, sk); });
Assert.Equal("IncapableContext", ex.Message);
s = Secp256K1.WithCaps(ContextFlag.SignOnly);
PublicKey.from_secret_key(s, sk);
s = Secp256K1.WithCaps(ContextFlag.Full);
PublicKey.from_secret_key(s, sk);
}