private static bool VASPIsRegistered(
VASPCredentialsRefAndHash vaspCredentialsRefAndHash)
{
var(@ref, hash) = vaspCredentialsRefAndHash;
return(!(VASPCredentialsRef.IsEmpty(@ref) && VASPCredentialsHash.IsEmpty(hash)));
}
public VASPCredentialsRefAndHash(
VASPCredentialsHash hash,
VASPCredentialsRef @ref)
{
Hash = hash;
Ref = @ref;
}
public void Deconstruct(
out VASPCredentialsRef @ref,
out VASPCredentialsHash hash)
{
hash = Hash;
@ref = Ref;
}
public static bool ValidateCredentialsOffline(
string credentials,
VASPCredentialsHash credentialsHash)
{
return(Multihash
.Sum <KECCAK_256>(Encoding.UTF8.GetBytes(credentials)).Digest
.SequenceEqual((byte[])credentialsHash));
}
public Task <bool> ValidateCredentialsAsync(
string credentials,
VASPCredentialsHash credentialsHash)
{
return(CallWithSimpleResultAsync
(
new ValidateCredentialsCall
{
CredentialsHash = credentialsHash,
Credentials = credentials
}
));
}
public override async Task <VASPCredentialsRefAndHash> GetCredentialsRefAndHashAsync(
VASPId vaspId,
ConfirmationLevel minimalConfirmationLevel = default)
{
var vaspCredentialsRefAndHash = await base.GetCredentialsRefAndHashAsync(vaspId, minimalConfirmationLevel);
var(@ref, hash) = vaspCredentialsRefAndHash;
if (VASPCredentialsRef.IsEmpty(@ref) != VASPCredentialsHash.IsEmpty(hash))
{
throw new Exception("Smart contract returned an unexpected combination of VASP credentials reference and hash.");
}
return(vaspCredentialsRefAndHash);
}