int sendOrder(Parameters& params, std::string direction, double quantity, double price) {
// define limit price to be sure to be executed
double limPrice;
if (direction.compare("buy") == 0) {
limPrice = getLimitPrice(params, quantity, false);
}
else if (direction.compare("sell") == 0) {
limPrice = getLimitPrice(params, quantity, true);
}
// signature
std::ostringstream oss;
oss << "amount=" << quantity << "&api_key=" << params.okCoinApi << "&price=" << limPrice << "&symbol=btc_usd&type=" << direction << "&secret_key=" << params.okCoinSecret;
std::string signature = oss.str();
oss.clear();
oss.str("");
// content
oss << "amount=" << quantity << "&api_key=" << params.okCoinApi << "&price=" << limPrice << "&symbol=btc_usd&type=" << direction;
std::string content = oss.str();
*params.logFile << "<OKCoin> Trying to send a \"" << direction << "\" limit order: " << quantity << "@$" << limPrice << "..." << std::endl;
json_t *root = authRequest(params, "https://www.okcoin.com/api/v1/trade.do", signature, content);
int orderId = json_integer_value(json_object_get(root, "order_id"));
*params.logFile << "<OKCoin> Done (order ID: " << orderId << ")\n" << std::endl;
json_decref(root);
return orderId;
}
int sendOrder(Parameters& params, std::string direction, double quantity, double price) {
double limPrice; // define limit price to be sure to be executed
if (direction.compare("buy") == 0) {
limPrice = getLimitPrice(params, quantity, false);
}
else if (direction.compare("sell") == 0) {
limPrice = getLimitPrice(params, quantity, true);
}
*params.logFile << "<Bitstamp> Trying to send a \"" << direction << "\" limit order: " << quantity << "@$" << limPrice << "..." << std::endl;
std::ostringstream oss;
oss << "https://www.bitstamp.net/api/" << direction << "/";
std::string url = oss.str();
oss.clear();
oss.str("");
oss << "amount=" << quantity << "&price=" << std::fixed << std::setprecision(2) << limPrice;
std::string options = oss.str();
json_t* root = authRequest(params, url, options);
int orderId = json_integer_value(json_object_get(root, "id"));
if (orderId == 0) {
*params.logFile << "<Bitstamp> Order ID = 0. Message: " << json_dumps(root, 0) << std::endl;
}
*params.logFile << "<Bitstamp> Done (order ID: " << orderId << ")\n" << std::endl;
json_decref(root);
return orderId;
}
/*To send order to bitstamp - direction is buy or sell*/
int sendOrder(CURL *curl, Parameters params, std::string direction, double quantity, double price) {
/*Before sending order to bitstamp API, first get limitprice of the buy or sell order for the specific quantity*/
double limPrice; // define limit price to be sure to be executed
if (direction.compare("buy") == 0) {
limPrice = getLimitPrice(curl, quantity, false);
}
else if (direction.compare("sell") == 0) {
limPrice = getLimitPrice(curl, quantity, true);
}
std::cout << "<Bitstamp> Trying to send a \"" << direction << "\" limit order: " << quantity << "@$" << limPrice << "..." << std::endl;
/*class std::ostringstream : Output stream class to operate on strings.
Objects of this class use a string buffer that contains a sequence of characters. This sequence of characters can be accessed directly as a string object, using member str.*/
std::ostringstream oss;
oss << "https://www.bitstamp.net/api/" << direction << "/";
/*
public member function std::ostringstream::str
1.string str() const;
2.void str (const string& s);
Get/set content
The first form (1) returns a string object with a copy of the current contents of the stream.
The second form (2) sets s as the contents of the stream, discarding any previous contents. The object preserves its open mode: if this includes ios_base::ate, the writing position is moved to the end of the new sequence.
*/
std::string url = oss.str();
oss.clear();
oss.str("");
/*This operator (<<) applied to an output stream is known as insertion operator. It will insert objects into the output stream*/
oss << "amount=" << quantity << "&price=" << std::fixed << std::setprecision(2) << limPrice;
std::string options = oss.str(); /*oss will return amount=&price=<limPrice value with precision = 2>*/
/*url used as argument to function below stores the https://www.bitstamp.net/api/" << direction API address*/
json_t *root = authRequest(curl, params, url, options);/*root will get assigned with this authRequest*/
/*"id" is a key in root JSON object. We are fetching its value*/
int orderId = json_integer_value(json_object_get(root, "id"));
if (orderId == 0) {
std::cout << "<Bitstamp> Order ID = 0. Message: " << json_dumps(root, 0) /*json_dumps returns the JSON form of root. 0 is a used for indentation*/ << std::endl;
}
std::cout << "<Bitstamp> Done (order ID: " << orderId << ")\n" << std::endl;
json_decref(root);
return orderId;
}
int sendOrder(Parameters& params, std::string direction, double quantity, double price){
double limPrice; // define limit price to be sure to be executed
if (direction.compare("buy") == 0) {
limPrice = getLimitPrice(params, quantity, false);
}
else if (direction.compare("sell") == 0) {
limPrice = getLimitPrice(params, quantity, true);
}
*params.logFile << "<SevenNintySix> Trying to send a \"" << direction << "\" limit order: " << quantity << "@$" << limPrice << "..." << std::endl;
std::ostringstream oss;
oss << "\"symbol\":\"btcusd\", \"amount\":\"" << quantity << "\", \"price\":\"" << limPrice << "\", \"exchange\":\"bitfinex\", \"side\":\"" << direction << "\", \"type\":\"limit\"";
std::string options = oss.str();
json_t* root= authRequest(params, "https://796.com/v2/weeklyfutures/orders", "order/new", options);
int orderId = json_integer_value(json_object_get(root, "id"));
*params.logFile << "<SevenNintySix> Done (order ID: " << orderId << ")\n" << std::endl;
json_decref(root);
return orderId;
}
int sendOrder(Parameters& params, std::string direction, double quantity, double price) {
if (direction.compare("buy") != 0 && direction.compare("sell") != 0) {
*params.logFile << "Error: Neither \"buy\" nor \"sell\" selected" << std::endl;
return 0;
}
double limPrice; // define limit price to be sure to be executed
if (direction.compare("buy") == 0) {
limPrice = getLimitPrice(params, quantity, false);
} else {
limPrice = getLimitPrice(params, quantity, true);
}
*params.logFile << "<Kraken> Trying to send a \"" << direction << "\" limit order: " << quantity << " @ $" << limPrice << "..." << std::endl;
std::string pair = "XXBTZUSD";
std::string type = direction;
std::string ordertype = "limit";
std::string pricelimit = patch::to_string(limPrice);
std::string volume = patch::to_string(quantity);
std::string options = "pair=" + pair + "&type=" + type + "&ordertype=" + ordertype + "&price=" + pricelimit + "&volume=" + volume;
json_t* res = authRequest(params, "https://api.kraken.com", "/0/private/AddOrder", options);
json_t* root = json_object_get(res, "result");
if (json_is_object(root) == 0) {
*params.logFile << json_dumps(res, 0) << std::endl;
exit(0);
}
std::string txid = json_string_value(json_array_get(json_object_get(root, "txid"), 0));
int max_id = id_to_transaction->size();
(*id_to_transaction)[max_id] = txid;
*params.logFile << "<Kraken> Done (transaction ID: " << txid << ")\n" << std::endl;
json_decref(root);
return max_id;
}
int sendOrder(CURL *curl, Parameters params, std::string direction, double quantity, double price) {
// define limit price to be sure to be executed
double limPrice;
if (direction.compare("buy") == 0) {
limPrice = getLimitPrice(curl, quantity, false);
}
else if (direction.compare("sell") == 0) {
limPrice = getLimitPrice(curl, quantity, true);
}
std::cout << "<Bitfinex> Trying to send a \"" << direction << "\" limit order: " << quantity << "@$" << limPrice << "..." << std::endl;
std::ostringstream oss;
oss << "\"symbol\":\"btcusd\", \"amount\":\"" << quantity << "\", \"price\":\"" << limPrice << "\", \"exchange\":\"bitfinex\", \"side\":\"" << direction << "\", \"type\":\"limit\"";
std::string options = oss.str();
json_t *root = authRequest(curl, params, "https://api.bitfinex.com/v1/order/new", "order/new", options);
int orderId = json_integer_value(json_object_get(root, "order_id"));
std::cout << "<Bitfinex> Done (order ID: " << orderId << ")\n" << std::endl;
json_decref(root);
return orderId;
}
