//private async Task<bool> Authenticated() {
// if (_registered) return true;
// var stringContent = new StringContent(JsonConvert.SerializeObject(new AuthenticationRequest(_orkId,_private.GetPublic().ToString())), Encoding.UTF8, "application/json");
// var response = (await _client.PostAsync("Authentication", stringContent));
// _registered = response.IsSuccessStatusCode;
// if (!_registered) Console.Write($"Ork was not authorized to write transaction. Error: {await response.Content.ReadAsStringAsync()}");
// return _registered;
//}
public async Task <(bool success, string error)> Post(string contract, string table, string scope, string index, object payload)
{
//if (!await Authenticated()) return (false,"not authenticated");
var blockData = new Transaction(contract, table, scope, index, _orkId, payload);
var serializedPayload = JsonConvert.SerializeObject(blockData.Data);
blockData.Sign = _private.Sign(Encoding.UTF8.GetBytes(serializedPayload));
var stringContent = new StringContent(JsonConvert.SerializeObject(blockData), Encoding.UTF8, "application/json");
var response = (await _client.PostAsync("Simulator", stringContent));
if (response.IsSuccessStatusCode)
{
return(true, null);
}
return(false, await response.Content.ReadAsStringAsync());
}
public static byte[] Encrypt(byte[] buffer, ulong tag, C25519Key key)
{
var toAsymmetricEncrypt = Pad32(buffer);
var bufferSymmetric = new byte[0];
if (buffer.Length > 32)
{
var secret = new AesSherableKey();
bufferSymmetric = secret.Encrypt(buffer);
toAsymmetricEncrypt = secret.ToByteArray();
}
var bufferAsymmetric = key.Encrypt(toAsymmetricEncrypt).ToByteArray();
var tagBuffer = BitConverter.GetBytes(tag);
var signature = key.Sign(bufferAsymmetric.Concat(tagBuffer).ToArray()).PadLeft(32 * 3);
var size =
bufferAsymmetric.Length +
tagBuffer.Length +
signature.Length +
bufferSymmetric.Length;
var dimension = DimensionBuffer(size);
var all = new byte[1 + dimension.Length + size];
all[0] = 1; // version #
dimension.CopyTo(all, 1);
var step = dimension.Length + 1;
bufferAsymmetric.CopyTo(all, step);
step += bufferAsymmetric.Length;
tagBuffer.CopyTo(all, step);
step += tagBuffer.Length;
signature.CopyTo(all, step);
step += signature.Length;
bufferSymmetric.CopyTo(all, step);
return(all);
}