public async Task <IActionResult> Post([FromBody] ExchangeTransferRequest request)
{
var isValid = await ValidateRequest();
if ((isValid as OkResult)?.StatusCode != Ok().StatusCode)
{
return(isValid);
}
if (request == null)
{
return(BadRequest("Incorrect Json request"));
}
if (request.PaidAmount <= 0)
{
return(Json(
new TransferErrorReturn
{
TransferResponse = new TransferErrorResponse
{
TransferError = TransferError.INVALID_AMOUNT,
TimeStamp = DateTime.UtcNow.Ticks
}
}));
}
var store = request.GetRequest();
var rate = await GetRatesWithSession(store.AssetPair, new AprRequest
{
Markup = new Lykke.Contracts.Pay.AssertPairRateRequest
{
Percent = store.Markup.Percent ?? 0,
Pips = store.Markup.Pips ?? 0
}
});
if (rate == null)
{
return(null);
}
var newSessionId = rate.SessionId;
if (!string.IsNullOrEmpty(MerchantSessionId) && !MerchantSessionId.Equals(newSessionId))
{
throw new InvalidDataException("Session expired");
}
StoreNewSessionId(newSessionId);
store.Amount = store.Amount / rate.Ask;
var resultTransfer = await PostTransfer(request.AssetPair.Replace(request.BaseAsset, string.Empty), store);
return(resultTransfer);
}
public async Task <IActionResult> Purchase([FromBody] PurchaseRequest request)
{
var isValid = await ValidateRequest();
if ((isValid as OkResult)?.StatusCode != Ok().StatusCode)
{
return(isValid);
}
var store = request.GetRequest();
var rate = await GetRatesWithSession(store.AssetPair, new AprRequest
{
Markup = new AssertPairRateRequest
{
Percent = store.Markup.Percent ?? 0,
Pips = store.Markup.Pips ?? 0
}
});
if (rate == null)
{
await Log.WriteWarningAsync(nameof(PurchaseController), nameof(Purchase), LogContextPayRequest(store), $"Not found rate for {request.AssetPair}, return internal error");
return(await JsonAndStoreError(store,
new TransferErrorReturn
{
TransferResponse = new TransferErrorResponse
{
TransferError = TransferError.INTERNAL_ERROR,
TimeStamp = DateTime.UtcNow.Ticks
}
}));
}
var newSessionId = rate.SessionId;
if (!string.IsNullOrEmpty(MerchantSessionId) && !MerchantSessionId.Equals(newSessionId))
{
throw new InvalidDataException("Session expired");
}
var pairReal = await GetRate(request.AssetPair);
if (pairReal == null)
{
await Log.WriteWarningAsync(nameof(PurchaseController), nameof(Purchase), LogContextPayRequest(store), $"Not found asset pair {request.AssetPair}, return internal error");
return(await JsonAndStoreError(store,
new TransferErrorReturn
{
TransferResponse = new TransferErrorResponse
{
TransferError = TransferError.INTERNAL_ERROR,
TimeStamp = DateTime.UtcNow.Ticks
}
}));
}
string merchantClientId = string.Empty;
try
{
merchantClientId =
await(await HttpClient.GetAsync($"{PayApiSettings.Services.MerchantClientService}{MerchantId}"))
.Content
.ReadAsStringAsync();
}
catch
{
}
if (string.IsNullOrEmpty(merchantClientId))
{
await Log.WriteWarningAsync(nameof(PurchaseController), nameof(Purchase), LogContextPayRequest(store), $"Not found merchantClientId for {MerchantId}");
return(await JsonAndStoreError(store,
new TransferErrorReturn
{
TransferResponse = new TransferErrorResponse
{
TransferError = TransferError.INTERNAL_ERROR,
TimeStamp = DateTime.UtcNow.Ticks
}
}));
}
double realAmount;
if (request.Markup != null)
{
double fee = (double)request.PaidAmount * (request.Markup.Percent / 100);
fee += Math.Pow(10, -1 * rate.Accuracy) * request.Markup.Pips;
fee += request.Markup.FixedFee;
realAmount = (double)request.PaidAmount - fee;
}
else
{
realAmount = (double)request.PaidAmount;
}
double outSpread = rate.Ask + (rate.Ask - rate.Bid) * PayApiSettings.SpredK;
double reakAsk = (double)((JObject)pairReal)["AskPrice"];
double featToSell = realAmount * (reakAsk / outSpread);
double btcToBuy = featToSell / reakAsk;
store.Amount = btcToBuy;
store.SourceAddress = PayApiSettings.HotWalletAddress;
store.MerchantId = MerchantId;
var post = await PostTransferRaw(BitcoinAssert, store);
var result = post as IActionResult;
if (result != null)
{
return(result);
}
string fiatAssert = request.AssetPair.Replace(BitcoinAssert, string.Empty);
//try
//{
var transResult = await _exchangeOperationClient.TrustedTransferAsync(PayApiSettings.LykkePayId, merchantClientId,
realAmount, fiatAssert);
//TODO Add logs here if wrong;
var trageResult = await _exchangeOperationClient.TrustedTradeAsync(PayApiSettings.LykkePayId,
request.AssetPair, featToSell, fiatAssert);
//TODO Add logs here if wrong;
//}
//catch (Exception e)
//{
// Console.WriteLine(e);
// throw;
//}
return(Json(post));
}
