/// <inheritdoc />
protected async override Task <ExchangeOrderResult> OnPlaceOrderAsync(ExchangeOrderRequest order)
{
//{
// "market": "XRP-PERP",
// "side": "sell",
// "price": 0.306525,
// "type": "limit",
// "size": 31431.0,
// "reduceOnly": false,
// "ioc": false,
// "postOnly": false,
// "clientId": null
//}
IEnumerable <ExchangeMarket> markets = await OnGetMarketSymbolsMetadataAsync();
ExchangeMarket market = markets.Where(m => m.MarketSymbol == order.MarketSymbol).First();
var payload = await GetNoncePayloadAsync();
var parameters = new Dictionary <string, object>(StringComparer.OrdinalIgnoreCase)
{
{ "market", market.MarketSymbol },
{ "side", order.IsBuy ? "buy" : "sell" },
{ "type", order.OrderType.ToStringLowerInvariant() },
{ "size", order.RoundAmount() }
};
if (!string.IsNullOrEmpty(order.ClientOrderId))
{
parameters.Add("clientId", order.ClientOrderId);
}
if (order.IsPostOnly != null)
{
parameters.Add("postOnly", order.IsPostOnly);
}
if (order.OrderType != OrderType.Market)
{
int precision = BitConverter.GetBytes(decimal.GetBits((decimal)market.PriceStepSize)[3])[2];
if (order.Price == null)
{
throw new ArgumentNullException(nameof(order.Price));
}
parameters.Add("price", Math.Round(order.Price.Value, precision));
}
else
{
parameters.Add("price", null);
}
parameters.CopyTo(payload);
order.ExtraParameters.CopyTo(payload);
var response = await MakeJsonRequestAsync <JToken>("/orders", null, payload, "POST");
ExchangeOrderResult result = new ExchangeOrderResult
{
OrderId = response["id"].ToStringInvariant(),
ClientOrderId = response["clientId"].ToStringInvariant(),
OrderDate = CryptoUtility.ToDateTimeInvariant(response["createdAt"]),
Price = CryptoUtility.ConvertInvariant <decimal>(response["price"]),
AmountFilled = CryptoUtility.ConvertInvariant <decimal>(response["filledSize"]),
AveragePrice = CryptoUtility.ConvertInvariant <decimal>(response["avgFillPrice"]),
Amount = CryptoUtility.ConvertInvariant <decimal>(response["size"]),
MarketSymbol = response["market"].ToStringInvariant(),
IsBuy = response["side"].ToStringInvariant() == "buy"
};
return(result);
}
