public async Task<TupleValue<int, BlockIdentity?>> FetchHeadersAsync()
{
var client = new WalletLoaderService.WalletLoaderServiceClient(_channel);
var request = new FetchHeadersRequest();
var response = await client.FetchHeadersAsync(request, cancellationToken: _tokenSource.Token);
BlockIdentity? blockIdentity = null;
if (response.FetchedHeadersCount != 0)
{
blockIdentity = new BlockIdentity(new Blake256Hash(response.FirstNewBlockHash.ToByteArray()),
response.FirstNewBlockHeight);
}
return TupleValue.Create((int)response.FetchedHeadersCount, blockIdentity);
}
