private async Task ChangePassphrase(ChangePassphraseRequest.Types.Key which, string oldPassphrase, string newPassphrase)
{
if (oldPassphrase == null)
{
throw new ArgumentNullException(nameof(oldPassphrase));
}
if (newPassphrase == null)
{
throw new ArgumentNullException(nameof(newPassphrase));
}
var client = new WalletService.WalletServiceClient(_channel);
var request = new ChangePassphraseRequest
{
Key = which,
OldPassphrase = ByteString.CopyFromUtf8(oldPassphrase),
NewPassphrase = ByteString.CopyFromUtf8(newPassphrase),
};
await client.ChangePassphraseAsync(request, cancellationToken : _tokenSource.Token);
}
