public bool IsIn(Position searchPosition)
{
var encoded = GetEncodedPosition(searchPosition);
var evaluator = new Evaluator(GetContext());
PositionEncrypted positionEncrypted = GetFromIota();
evaluator.SubPlain(positionEncrypted.Lon, encoded.Lon);
evaluator.SubPlain(positionEncrypted.Lat, encoded.Lat);
var decryptor = new Decryptor(GetContext(), GetSecretKey());
Plaintext plainResultLon = new Plaintext();
Plaintext plainResultLat = new Plaintext();
decryptor.Decrypt(positionEncrypted.Lon, plainResultLon);
decryptor.Decrypt(positionEncrypted.Lat, plainResultLat);
var encoder = GetEncoder(GetContext());
double resultLon = encoder.Decode(plainResultLon);
double resultLat = encoder.Decode(plainResultLat);
var diff = Math.Abs(resultLon) + Math.Abs(resultLat);
if (diff < 0.007)
{
return(true);
}
return(false);
}
public void EncryptValues(Position position, out PositionEncrypted positionEncrypted)
{
var encryptor = new Encryptor(GetContext(), GetPublicKey());
PositionEncoded positionEncoded = GetEncodedPosition(position);
positionEncrypted = GetEncrpytedPosition(positionEncoded, encryptor);
}
private PositionEncrypted GetEncrpytedPosition(PositionEncoded position, Encryptor encryptor)
{
PositionEncrypted positionEncrypted = new PositionEncrypted();
encryptor.Encrypt(position.Lon, positionEncrypted.Lon);
encryptor.Encrypt(position.Lat, positionEncrypted.Lat);
return(positionEncrypted);
}
private PositionEncrypted GetFromIota()
{
const string address = "IOTAFFFBLOCKCHAINEDMOBILITYHACKATHONTHEBLOCKCHAINEDMOBILITYHACKATHONTHEBLOCKCHAIN";
IotaHelperWithSpecialPower iotaHelper = new IotaHelperWithSpecialPower();
PositionEncrypted encrypted = iotaHelper.GetPosition(address);
return(encrypted);
}
public PositionEncrypted GetPosition(string address)
{
int depth = 3;
int minWeightMagnitude = 9;
PositionEncrypted positionEncrypted = new PositionEncrypted();
try
{
TransactionHashList transactionsByAdress =
_Repository.FindTransactionsByAddresses(new List <Address> {
new Address(address)
});
List <TransactionTrytes> transactionsTrytesList = _Repository.GetTrytes(transactionsByAdress.Hashes);
Dictionary <int, Transaction> transactionPosition = new Dictionary <int, Transaction>();
int lastIndex = 0;
foreach (TransactionTrytes transactionTrytes in transactionsTrytesList)
{
Transaction transactionOne = Transaction.FromTrytes(transactionTrytes, transactionsByAdress.Hashes[0]);
transactionPosition.Add(transactionOne.CurrentIndex, transactionOne);
lastIndex = transactionOne.LastIndex;
}
string combined = string.Empty;
for (int i = 0; i <= lastIndex; i++)
{
combined += transactionPosition[i].Fragment.Value;
}
string fertisch = TrytesToString(combined);
string[] lines = fertisch.Split(new[] { "#" }, StringSplitOptions.None);
positionEncrypted = new PositionEncrypted();
positionEncrypted.Lon = new Ciphertext();
positionEncrypted.Lon.Load(new MemoryStream(Convert.FromBase64String(lines[0])));
positionEncrypted.Lat = new Ciphertext();
positionEncrypted.Lat.Load(new MemoryStream(Convert.FromBase64String(lines[1])));
}
catch (Exception exception)
{
Console.WriteLine(exception);
//throw;
}
return(positionEncrypted);
}
