Click trader working, with exchange communication
 
	
	
	
	
	
	
	
	
	
	
	
	
	
 |  |  | 
 |  |  |     std::size_t count = 0; | 
 |  |  |     std::sort(askCopy.begin(), askCopy.end()); | 
 |  |  |     std::reverse(askCopy.begin(), askCopy.end()); | 
 |  |  |     uint64_t volume = 0; | 
 |  |  |     double price = askCopy.front().price; | 
 |  |  |     for (auto i : askCopy) { | 
 |  |  |         std::cout << i << std::endl; | 
 
 |  |  | 
 |  |  | #include <iostream> | 
 |  |  | #include <unordered_map> | 
 |  |  |  | 
 |  |  | enum clickType { Buy, Sell, Flash }; | 
 |  |  | enum clickType { Buy, Sell, Flash, Delete }; | 
 |  |  |  | 
 |  |  | static std::unordered_map<std::string, clickType> mapClick; | 
 |  |  |  | 
 |  |  | 
 |  |  | { | 
 |  |  |     mapClick = {{"BUY", Buy}, {"SELL", Sell}, {"FLASH", Flash}, | 
 |  |  |                 {"b", Buy},   {"s", Sell},    {"f", Flash}, | 
 |  |  |                 {"B", Buy},   {"S", Sell},    {"F", Flash}}; | 
 |  |  |                 {"B", Buy},   {"S", Sell},    {"F", Flash}, | 
 |  |  |                 {"DELETE", Delete}, {"D", Delete}, {"d", Delete}}; | 
 |  |  | } | 
 |  |  |  | 
 |  |  | void usage() | 
 |  |  | 
 |  |  |               << std::endl | 
 |  |  |               << "USAGE" << std::endl | 
 |  |  |               << "\t-a product" << std::endl | 
 |  |  |               << "\t-t click type (buy, sell, flash)" << std::endl | 
 |  |  |               << "\t-t click type (buy, sell, flash, delete)" << std::endl | 
 |  |  |               << "\t-p price" << std::endl | 
 |  |  |               << "\t-v volume" << std::endl | 
 |  |  |               << "\t-i id" << std::endl | 
 |  |  | 
 |  |  |               << std::endl; | 
 |  |  | } | 
 |  |  |  | 
 |  |  | void buy(std::string& product, double price, uint64_t volume) | 
 |  |  | { | 
 |  |  |     json::AddMessage a(json::ADD, product, price, book::Buy, volume); | 
 |  |  |     json::AddedMessage* b = static_cast<json::AddedMessage*>(protocol::addOrder(a)); | 
 |  |  |     std::cout << b->as_string() << std::endl; | 
 |  |  | } | 
 |  |  |  | 
 |  |  | void sell(std::string& product, double price, uint64_t volume) | 
 |  |  | { | 
 |  |  |     json::AddMessage a(json::ADD, product, price, book::Sell, volume); | 
 |  |  |     json::AddedMessage* b = static_cast<json::AddedMessage*>(protocol::addOrder(a)); | 
 |  |  |     std::cout << b->as_string() << std::endl; | 
 |  |  |     delete b; | 
 |  |  | } | 
 |  |  |  | 
 |  |  | void flash(std::string& product, double price, uint64_t volume, book::OrderSideEnum side) | 
 |  |  | { | 
 |  |  |     json::AddMessage a(json::ADD, product, price, side, volume); | 
 |  |  |     json::Message* b = static_cast<json::Message*>(protocol::addOrder(a)); | 
 |  |  |     if (b->type == json::ERROR) { | 
 |  |  |         std::cout << static_cast<json::ErrorMessage*>(b)->as_string() << std::endl; | 
 |  |  |         return; | 
 |  |  |     } | 
 |  |  |     json::DeleteMessage c(json::DELETE, product, static_cast<json::AddedMessage*>(b)->id); | 
 |  |  |     json::Message* d = protocol::deleteOrder(c); | 
 |  |  |     std::cout << static_cast<json::AddedMessage*>(b)->as_string() << std::endl; | 
 |  |  |     if (d->type == json::DELETED) { | 
 |  |  |         std::cout << static_cast<json::DeletedMessage*>(d)->as_string() | 
 |  |  |                   << std::endl; | 
 |  |  |     } else { | 
 |  |  |         std::cout << static_cast<json::RejectMessage*>(d)->as_string() | 
 |  |  |                   << std::endl; | 
 |  |  |     } | 
 |  |  |     delete b; | 
 |  |  |     delete d; | 
 |  |  | } | 
 |  |  |  | 
 |  |  | void deleteOrder(std::string& product, std::string& id) | 
 |  |  | { | 
 |  |  |     json::DeleteMessage a(json::DELETE, product, id); | 
 |  |  |     json::Message* b = protocol::deleteOrder(a); | 
 |  |  |     if (b->type == json::DELETED) { | 
 |  |  |         std::cout << static_cast<json::DeletedMessage*>(b)->as_string() | 
 |  |  |                   << std::endl; | 
 |  |  |     } else if (b->type == json::REJECT) { | 
 |  |  |         std::cout << static_cast<json::RejectMessage*>(b)->as_string() | 
 |  |  |                   << std::endl; | 
 |  |  |     } else { | 
 |  |  |         std::cout << static_cast<json::ErrorMessage*>(b)->as_string() << std::endl; | 
 |  |  |     } | 
 |  |  | } | 
 |  |  |  | 
 |  |  | int main(int argc, char** argv) | 
 |  |  | { | 
 |  |  |     int c; | 
 |  |  |     std::string product, id; | 
 |  |  |     double price; | 
 |  |  |     clickType click; | 
 |  |  |     clickType click, side; | 
 |  |  |     uint64_t volume; | 
 |  |  |     initialise(); | 
 |  |  |     if (argc == 1) { | 
 |  |  |         usage(), exit(0); | 
 |  |  |     } | 
 |  |  |     while ((c = getopt(argc, argv, "a::t::p::v::i::")) != -1) { | 
 |  |  |     while ((c = getopt(argc, argv, "a::t::s::p::v::i::")) != -1) { | 
 |  |  |         switch (c) { | 
 |  |  |         case 'a': | 
 |  |  |             product = std::string(optarg); | 
 |  |  |             break; | 
 |  |  |         case 's': | 
 |  |  |         case 't': | 
 |  |  |             click = mapClick[optarg]; | 
 |  |  |             break; | 
 |  |  |         case 's': | 
 |  |  |             side = mapClick[optarg]; | 
 |  |  |             break; | 
 |  |  |         case 'p': | 
 |  |  |             price = std::stod(optarg); | 
 |  |  |             break; | 
 |  |  | 
 |  |  |             id = std::string(optarg); | 
 |  |  |             break; | 
 |  |  |         case '?': | 
 |  |  |             std::cout << "*1" << std::endl; | 
 |  |  |         default: | 
 |  |  |             std::cout << "*2 " << (char) c << std::endl; | 
 |  |  |             usage(); | 
 |  |  |             exit(0); | 
 |  |  |         } | 
 |  |  |     } | 
 |  |  |     switch (click) { | 
 |  |  |     case Buy: | 
 |  |  |         buy(product, price, volume); | 
 |  |  |         break; | 
 |  |  |     case Sell: | 
 |  |  |     case Flash:; | 
 |  |  |         sell(product, price, volume); | 
 |  |  |         break; | 
 |  |  |     case Flash: | 
 |  |  |         if (side == clickType::Buy) | 
 |  |  |             flash(product, price, volume, book::Buy); | 
 |  |  |         else | 
 |  |  |             flash(product, price, volume, book::Sell); | 
 |  |  |         break; | 
 |  |  |     case Delete: | 
 |  |  |         deleteOrder(product, id); | 
 |  |  |         break; | 
 |  |  |     } | 
 |  |  | } | 
 
 |  |  | 
 |  |  | SettleMessage* settle(rapidjson::Value& d); | 
 |  |  | AddedMessage* added(rapidjson::Value& d); | 
 |  |  | DeletedMessage* deleted(rapidjson::Value& d); | 
 |  |  | RejectMessage* reject(rapidjson::Value& d); | 
 |  |  | TradeMessage* trade(rapidjson::Value& d); | 
 |  |  | BrokerRequest* brokerReq(rapidjson::Value& d); | 
 |  |  | BrokerAck* brokerAck(rapidjson::Value& d); | 
 |  |  | BrokerConfirm* brokerCon(rapidjson::Value& d); | 
 |  |  | ErrorMessage* error(rapidjson::Value& d); | 
 |  |  |  | 
 |  |  | std::queue<Message*> parse(std::string& str) | 
 |  |  | { | 
 |  |  | 
 |  |  |     if (mapTypes.empty()) { | 
 |  |  |         initialise(); | 
 |  |  |     } | 
 |  |  |     if (d.HasMember("error")) return error(d); | 
 |  |  |     Message* out; | 
 |  |  |     switch (mapTypes[d["type"].GetString()]) { | 
 |  |  |     case FUTURE_TYPE: | 
 |  |  | 
 |  |  |     case DELETED: | 
 |  |  |         out = deleted(d); | 
 |  |  |         break; | 
 |  |  |     case REJECT: | 
 |  |  |         out = reject(d); | 
 |  |  |         break; | 
 |  |  |     case TRADE: | 
 |  |  |         out = trade(d); | 
 |  |  |         break; | 
 |  |  | 
 |  |  |         d["sequence"].GetInt(), d["timestamp"].GetDouble()); | 
 |  |  | } | 
 |  |  |  | 
 |  |  | RejectMessage* reject(rapidjson::Value& d) | 
 |  |  | { | 
 |  |  |     return new RejectMessage(mapTypes[d["type"].GetString()], "", | 
 |  |  |                              d["error"].GetString(), uint64_t(0), double(0)); | 
 |  |  | } | 
 |  |  |  | 
 |  |  | TradeMessage* trade(rapidjson::Value& d) | 
 |  |  | { | 
 |  |  |     return new TradeMessage( | 
 |  |  | 
 |  |  |         d["id"].GetString()); | 
 |  |  | } | 
 |  |  |  | 
 |  |  | ErrorMessage* error(rapidjson::Value& d) | 
 |  |  | { | 
 |  |  |     return new ErrorMessage(d["error"].GetString()); | 
 |  |  | } | 
 |  |  |  | 
 |  |  | Message::Message() : type(NONE), product("error") {} | 
 |  |  |  | 
 |  |  | Message::Message(MessageTypes types, std::string product) | 
 |  |  | 
 |  |  | { | 
 |  |  | } | 
 |  |  |  | 
 |  |  | ErrorMessage::ErrorMessage(std::string message) | 
 |  |  |     : Message(ERROR, ""), message(message) | 
 |  |  | { | 
 |  |  | } | 
 |  |  | std::string ErrorMessage::as_string() | 
 |  |  | { | 
 |  |  |     return "{\"error\": \"" + this->message + "\"}"; | 
 |  |  | } | 
 |  |  |  | 
 |  |  | FromExchange::FromExchange(MessageTypes type, std::string product, | 
 |  |  |                            uint64_t sequence, double timestamp) | 
 |  |  |     : Message(type, product), sequence(sequence), timestamp(timestamp) | 
 |  |  | 
 |  |  | { | 
 |  |  | } | 
 |  |  |  | 
 |  |  | std::string AddedMessage::as_string() | 
 |  |  | { | 
 |  |  |     return "{\"type\": \"ADDED\", \"product\": \"" + this->product + | 
 |  |  |            "\", \"product\": \"" + this->id + "\" \"side\": \"" + | 
 |  |  |            mapOrderSide[this->side] + | 
 |  |  |            "\", \"price\": " + std::to_string(this->price) + | 
 |  |  |            "\"filled\": " + std::to_string(this->filled) + | 
 |  |  |            ", \"resting\": " + std::to_string(this->resting) + | 
 |  |  |            ", \"sequence\": " + std::to_string(this->sequence) + | 
 |  |  |            ", \"timestamp\":" + std::to_string(this->timestamp) + "}"; | 
 |  |  | } | 
 |  |  |  | 
 |  |  | DeleteMessage::DeleteMessage(MessageTypes type, std::string product, | 
 |  |  |                              std::string id) | 
 |  |  |     : ToExchange(type, product), id(id) | 
 |  |  | 
 |  |  | { | 
 |  |  | } | 
 |  |  |  | 
 |  |  | std::string DeletedMessage::as_string() | 
 |  |  | { | 
 |  |  |     return "{\"type\": \"DELETED\", \"product\": \"" + this->product + | 
 |  |  |            "\", \"product\": \"" + this->id + "\" \"side\": \"" + | 
 |  |  |            mapOrderSide[this->side] + | 
 |  |  |            ", \"sequence\": " + std::to_string(this->sequence) + | 
 |  |  |            ", \"timestamp\":" + std::to_string(this->timestamp) + "}"; | 
 |  |  | } | 
 |  |  |  | 
 |  |  | RejectMessage::RejectMessage(MessageTypes type, std::string product, | 
 |  |  |                              std::string error, uint64_t sequence, | 
 |  |  |                              double timestamp) | 
 |  |  | 
 |  |  | { | 
 |  |  | } | 
 |  |  |  | 
 |  |  | std::string RejectMessage::as_string() | 
 |  |  | { | 
 |  |  |     return "{\"type\": \"REJECT\", \"product\": \"" + this->product = | 
 |  |  |                "\", \"error\": \"" + this->error + | 
 |  |  |                "\", \"sequence\": " + std::to_string(this->sequence) + | 
 |  |  |                ", \"timestamp\": " + std::to_string(this->timestamp) + "}"; | 
 |  |  | } | 
 |  |  |  | 
 |  |  | TradeMessage::TradeMessage(MessageTypes type, std::string product, double price, | 
 |  |  |                            uint64_t volume, std::string buyer, | 
 |  |  |                            std::string seller, TradeTypeEnum tradeType, | 
 
 |  |  | 
 |  |  |     BROKER_REQUEST, | 
 |  |  |     BROKER_ACK, | 
 |  |  |     BROKER_CONFIRM, | 
 |  |  |     ERROR, | 
 |  |  |     NONE | 
 |  |  | }; | 
 |  |  |  | 
 |  |  | 
 |  |  |     virtual ~Message() = default; | 
 |  |  | }; | 
 |  |  |  | 
 |  |  | struct ErrorMessage : public Message { | 
 |  |  |     std::string message; | 
 |  |  |     ErrorMessage(std::string message); | 
 |  |  |     std::string as_string(); | 
 |  |  | }; | 
 |  |  |  | 
 |  |  | struct FromExchange : public Message { | 
 |  |  |     uint64_t sequence; | 
 |  |  |     double timestamp; | 
 |  |  | 
 |  |  |     AddedMessage(MessageTypes type, std::string product, std::string id, | 
 |  |  |                  book::OrderSideEnum side, double price, uint64_t filled, | 
 |  |  |                  uint64_t resting, uint64_t sequence, double timestamp); | 
 |  |  |     std::string as_string(); | 
 |  |  | }; | 
 |  |  |  | 
 |  |  | struct DeleteMessage : public ToExchange { | 
 |  |  | 
 |  |  |     DeletedMessage(MessageTypes type, std::string product, std::string id, | 
 |  |  |                    book::OrderSideEnum side, uint64_t sequence, | 
 |  |  |                    double timestamp); | 
 |  |  |     std::string as_string(); | 
 |  |  | }; | 
 |  |  |  | 
 |  |  | struct RejectMessage : public FromExchange { | 
 |  |  |     std::string error; | 
 |  |  |     RejectMessage(MessageTypes type, std::string product, std::string error, | 
 |  |  |                   uint64_t sequence, double timestamp); | 
 |  |  |     std::string as_string(); | 
 |  |  | }; | 
 |  |  |  | 
 |  |  | struct TradeMessage : public FromExchange { | 
 
 |  |  | 
 |  |  |  | 
 |  |  | json::Message* addOrder(json::AddMessage& order) | 
 |  |  | { | 
 |  |  |     std::string message = "{\"message\": " + order.as_string() + ", " + | 
 |  |  |                           "\"username\": \"" + std::string(USER) + | 
 |  |  |                           "\", \"password\": \"" + std::string(PASS) + "\"}"; | 
 |  |  |     std::string message = order.as_string(); | 
 |  |  |     return send(message); | 
 |  |  | } | 
 |  |  |  | 
 |  |  | json::Message* deleteOrder(json::DeleteMessage& order) | 
 |  |  | { | 
 |  |  |     std::string message = "{\"message\": " + order.as_string() + | 
 |  |  |                           ", \"username\": \"" + std::string(USER) + | 
 |  |  |                           "\", \"password\": \"" + std::string(PASS) + "\"}"; | 
 |  |  |     std::string message = order.as_string(); | 
 |  |  |     return send(message); | 
 |  |  | } | 
 |  |  |  | 
 |  |  | 
 |  |  |  | 
 |  |  | json::Message* send(std::string& message) | 
 |  |  | { | 
 |  |  |     auto res = cli.Post("/execution", message, "text/plain"); | 
 |  |  |     std::queue<json::Message*> a = json::parse(res->body); | 
 |  |  |     return a.front(); | 
 |  |  |     httplib::MultipartFormDataItems a = {{"message", message, "", ""}, | 
 |  |  |         {"username", USER, "", ""}, | 
 |  |  |         {"password", PASS, "", ""}}; | 
 |  |  |     auto res = cli.Post("/execution", a); | 
 |  |  |     std::string b = res->body; | 
 |  |  |     std::queue<json::Message*> c = json::parse(b); | 
 |  |  |     return c.front(); | 
 |  |  | } | 
 |  |  |  | 
 |  |  | } // namespace protocol | 
 
 |  |  | 
 |  |  |  | 
 |  |  | #include <string> | 
 |  |  |  | 
 |  |  | // #define TEST | 
 |  |  | #define TEST | 
 |  |  |  | 
 |  |  | constexpr const char* HOST = "sytev070"; | 
 |  |  | #ifdef TEST |