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Add Bot.h and Bot.cpp

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This commit is contained in:
Lev
2021-06-13 17:11:24 -05:00
parent 312341dca6
commit fdfd01b0f3
14 changed files with 362 additions and 347 deletions
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126
CM2005 Object Oriented Programming/Midterm/Midterm Project/CSVReader.cpp
View File

@ -2,10 +2,8 @@
#include <iostream>
#include <fstream>
CSVReader::CSVReader()
{
}
std::vector<OrderBookEntry> CSVReader::readCSV(std::string csvFilename)
@ -16,38 +14,44 @@ std::vector<OrderBookEntry> CSVReader::readCSV(std::string csvFilename)
std::string line;
if (csvFile.is_open())
{
while(std::getline(csvFile, line))
while (std::getline(csvFile, line))
{
try {
try
{
OrderBookEntry obe = stringsToOBE(tokenise(line, ','));
entries.push_back(obe);
}catch(const std::exception& e)
{
std::cout << "CSVReader::readCSV bad data" << std::endl;
}
}// end of while
}
catch (const std::exception &e)
{
std::cout << "CSVReader::readCSV bad data" << std::endl;
}
} // end of while
}
std::cout << "CSVReader::readCSV read " << entries.size() << " entries" << std::endl;
return entries;
std::cout << "CSVReader::readCSV read " << entries.size() << " entries" << std::endl;
return entries;
}
std::vector<std::string> CSVReader::tokenise(std::string csvLine, char separator)
{
std::vector<std::string> tokens;
signed int start, end;
std::string token;
std::vector<std::string> tokens;
signed int start, end;
std::string token;
start = csvLine.find_first_not_of(separator, 0);
do{
do
{
end = csvLine.find_first_of(separator, start);
if (start == csvLine.length() || start == end) break;
if (end >= 0) token = csvLine.substr(start, end - start);
else token = csvLine.substr(start, csvLine.length() - start);
if (start == csvLine.length() || start == end)
break;
if (end >= 0)
token = csvLine.substr(start, end - start);
else
token = csvLine.substr(start, csvLine.length() - start);
tokens.push_back(token);
start = end + 1;
}while(end > 0);
start = end + 1;
} while (end > 0);
return tokens;
return tokens;
}
OrderBookEntry CSVReader::stringsToOBE(std::vector<std::string> tokens)
@ -60,46 +64,50 @@ OrderBookEntry CSVReader::stringsToOBE(std::vector<std::string> tokens)
throw std::exception{};
}
// we have 5 tokens
try {
price = std::stod(tokens[3]);
amount = std::stod(tokens[4]);
}catch(const std::exception& e){
std::cout << "CSVReader::stringsToOBE Bad float! " << tokens[3]<< std::endl;
std::cout << "CSVReader::stringsToOBE Bad float! " << tokens[4]<< std::endl;
throw;
try
{
price = std::stod(tokens[3]);
amount = std::stod(tokens[4]);
}
catch (const std::exception &e)
{
std::cout << "CSVReader::stringsToOBE Bad float! " << tokens[3] << std::endl;
std::cout << "CSVReader::stringsToOBE Bad float! " << tokens[4] << std::endl;
throw;
}
OrderBookEntry obe{price,
amount,
tokens[0],
tokens[1],
OrderBookEntry::stringToOrderBookType(tokens[2])};
OrderBookEntry obe{price,
amount,
tokens[0],
tokens[1],
OrderBookEntry::stringToOrderBookType(tokens[2])};
return obe;
}
OrderBookEntry CSVReader::stringsToOBE(std::string priceString,
std::string amountString,
std::string timestamp,
std::string product,
OrderBookType orderType)
{
double price, amount;
try
{
price = std::stod(priceString);
amount = std::stod(amountString);
}
catch (const std::exception &e)
{
std::cout << "CSVReader::stringsToOBE Bad float! " << priceString << std::endl;
std::cout << "CSVReader::stringsToOBE Bad float! " << amountString << std::endl;
throw;
}
OrderBookEntry obe{price,
amount,
timestamp,
product,
orderType};
return obe;
}
OrderBookEntry CSVReader::stringsToOBE(std::string priceString,
std::string amountString,
std::string timestamp,
std::string product,
OrderBookType orderType)
{
double price, amount;
try {
price = std::stod(priceString);
amount = std::stod(amountString);
}catch(const std::exception& e){
std::cout << "CSVReader::stringsToOBE Bad float! " << priceString<< std::endl;
std::cout << "CSVReader::stringsToOBE Bad float! " << amountString<< std::endl;
throw;
}
OrderBookEntry obe{price,
amount,
timestamp,
product,
orderType};
return obe;
}

26
CM2005 Object Oriented Programming/Midterm/Midterm Project/CSVReader.h
View File

@ -4,22 +4,20 @@
#include <vector>
#include <string>
class CSVReader
{
public:
CSVReader();
public:
CSVReader();
static std::vector<OrderBookEntry> readCSV(std::string csvFile);
static std::vector<std::string> tokenise(std::string csvLine, char separator);
static OrderBookEntry stringsToOBE(std::string price,
std::string amount,
std::string timestamp,
std::string product,
OrderBookType OrderBookType);
static std::vector<OrderBookEntry> readCSV(std::string csvFile);
static std::vector<std::string> tokenise(std::string csvLine, char separator);
private:
static OrderBookEntry stringsToOBE(std::vector<std::string> strings);
static OrderBookEntry stringsToOBE(std::string price,
std::string amount,
std::string timestamp,
std::string product,
OrderBookType OrderBookType);
private:
static OrderBookEntry stringsToOBE(std::vector<std::string> strings);
};

114
CM2005 Object Oriented Programming/Midterm/Midterm Project/MerkelMain.cpp
View File

@ -6,7 +6,6 @@
MerkelMain::MerkelMain()
{
}
void MerkelMain::init()
@ -16,7 +15,7 @@ void MerkelMain::init()
wallet.insertCurrency("BTC", 10);
while(true)
while (true)
{
printMenu();
input = getUserOption();
@ -24,7 +23,6 @@ void MerkelMain::init()
}
}
void MerkelMain::printMenu()
{
// 1 print help
@ -33,11 +31,11 @@ void MerkelMain::printMenu()
std::cout << "2: Print exchange stats" << std::endl;
// 3 make an offer
std::cout << "3: Make an offer " << std::endl;
// 4 make a bid
// 4 make a bid
std::cout << "4: Make a bid " << std::endl;
// 5 print wallet
std::cout << "5: Print wallet " << std::endl;
// 6 continue
// 6 continue
std::cout << "6: Continue " << std::endl;
std::cout << "============== " << std::endl;
@ -52,34 +50,15 @@ void MerkelMain::printHelp()
void MerkelMain::printMarketStats()
{
for (std::string const& p : orderBook.getKnownProducts())
for (std::string const &p : orderBook.getKnownProducts())
{
std::cout << "Product: " << p << std::endl;
std::vector<OrderBookEntry> entries = orderBook.getOrders(OrderBookType::ask,
p, currentTime);
std::vector<OrderBookEntry> entries = orderBook.getOrders(OrderBookType::ask,
p, currentTime);
std::cout << "Asks seen: " << entries.size() << std::endl;
std::cout << "Max ask: " << OrderBook::getHighPrice(entries) << std::endl;
std::cout << "Min ask: " << OrderBook::getLowPrice(entries) << std::endl;
}
// std::cout << "OrderBook contains : " << orders.size() << " entries" << std::endl;
// unsigned int bids = 0;
// unsigned int asks = 0;
// for (OrderBookEntry& e : orders)
// {
// if (e.orderType == OrderBookType::ask)
// {
// asks ++;
// }
// if (e.orderType == OrderBookType::bid)
// {
// bids ++;
// }
// }
// std::cout << "OrderBook asks: " << asks << " bids:" << bids << std::endl;
}
void MerkelMain::enterAsk()
@ -93,28 +72,31 @@ void MerkelMain::enterAsk()
{
std::cout << "MerkelMain::enterAsk Bad input! " << input << std::endl;
}
else {
try {
else
{
try
{
OrderBookEntry obe = CSVReader::stringsToOBE(
tokens[1],
tokens[2],
currentTime,
tokens[0],
OrderBookType::ask
);
tokens[2],
currentTime,
tokens[0],
OrderBookType::ask);
obe.username = "simuser";
if (wallet.canFulfillOrder(obe))
{
std::cout << "Wallet looks good. " << std::endl;
orderBook.insertOrder(obe);
}
else {
else
{
std::cout << "Wallet has insufficient funds . " << std::endl;
}
}catch (const std::exception& e)
}
catch (const std::exception &e)
{
std::cout << " MerkelMain::enterAsk Bad input " << std::endl;
}
}
}
}
@ -129,15 +111,16 @@ void MerkelMain::enterBid()
{
std::cout << "MerkelMain::enterBid Bad input! " << input << std::endl;
}
else {
try {
else
{
try
{
OrderBookEntry obe = CSVReader::stringsToOBE(
tokens[1],
tokens[2],
currentTime,
tokens[0],
OrderBookType::bid
);
tokens[2],
currentTime,
tokens[0],
OrderBookType::bid);
obe.username = "simuser";
if (wallet.canFulfillOrder(obe))
@ -145,13 +128,15 @@ void MerkelMain::enterBid()
std::cout << "Wallet looks good. " << std::endl;
orderBook.insertOrder(obe);
}
else {
else
{
std::cout << "Wallet has insufficient funds . " << std::endl;
}
}catch (const std::exception& e)
}
catch (const std::exception &e)
{
std::cout << " MerkelMain::enterBid Bad input " << std::endl;
}
}
}
}
@ -159,41 +144,42 @@ void MerkelMain::printWallet()
{
std::cout << wallet.toString() << std::endl;
}
void MerkelMain::gotoNextTimeframe()
{
std::cout << "Going to next time frame. " << std::endl;
for (std::string p : orderBook.getKnownProducts())
{
std::cout << "matching " << p << std::endl;
std::vector<OrderBookEntry> sales = orderBook.matchAsksToBids(p, currentTime);
std::vector<OrderBookEntry> sales = orderBook.matchAsksToBids(p, currentTime);
std::cout << "Sales: " << sales.size() << std::endl;
for (OrderBookEntry& sale : sales)
for (OrderBookEntry &sale : sales)
{
std::cout << "Sale price: " << sale.price << " amount " << sale.amount << std::endl;
std::cout << "Sale price: " << sale.price << " amount " << sale.amount << std::endl;
if (sale.username == "simuser")
{
// update the wallet
wallet.processSale(sale);
}
}
}
currentTime = orderBook.getNextTime(currentTime);
}
int MerkelMain::getUserOption()
{
int userOption = 0;
std::string line;
std::cout << "Type in 1-6" << std::endl;
std::getline(std::cin, line);
try{
userOption = std::stoi(line);
}catch(const std::exception& e)
try
{
//
userOption = std::stoi(line);
}
catch (const std::exception &e)
{
//
}
std::cout << "You chose: " << userOption << std::endl;
return userOption;
@ -205,28 +191,28 @@ void MerkelMain::processUserOption(int userOption)
{
std::cout << "Invalid choice. Choose 1-6" << std::endl;
}
if (userOption == 1)
if (userOption == 1)
{
printHelp();
}
if (userOption == 2)
if (userOption == 2)
{
printMarketStats();
}
if (userOption == 3)
if (userOption == 3)
{
enterAsk();
}
if (userOption == 4)
if (userOption == 4)
{
enterBid();
}
if (userOption == 5)
if (userOption == 5)
{
printWallet();
}
if (userOption == 6)
if (userOption == 6)
{
gotoNextTimeframe();
}
}
}

37
CM2005 Object Oriented Programming/Midterm/Midterm Project/MerkelMain.h
View File

@ -5,28 +5,27 @@
#include "OrderBook.h"
#include "Wallet.h"
class MerkelMain
{
public:
MerkelMain();
/** Call this to start the sim */
void init();
private:
void printMenu();
void printHelp();
void printMarketStats();
void enterAsk();
void enterBid();
void printWallet();
void gotoNextTimeframe();
int getUserOption();
void processUserOption(int userOption);
public:
MerkelMain();
/** Call this to start the sim */
void init();
std::string currentTime;
private:
void printMenu();
void printHelp();
void printMarketStats();
void enterAsk();
void enterBid();
void printWallet();
void gotoNextTimeframe();
int getUserOption();
void processUserOption(int userOption);
// OrderBook orderBook{"20200317.csv"};
OrderBook orderBook{"20200601.csv"};
Wallet wallet;
std::string currentTime;
// OrderBook orderBook{"20200317.csv"};
OrderBook orderBook{"20200601.csv"};
Wallet wallet;
};

158
CM2005 Object Oriented Programming/Midterm/Midterm Project/OrderBook.cpp
View File

@ -4,7 +4,6 @@
#include <algorithm>
#include <iostream>
/** construct, reading a csv data file */
OrderBook::OrderBook(std::string filename)
{
@ -16,15 +15,15 @@ std::vector<std::string> OrderBook::getKnownProducts()
{
std::vector<std::string> products;
std::map<std::string,bool> prodMap;
std::map<std::string, bool> prodMap;
for (OrderBookEntry& e : orders)
for (OrderBookEntry &e : orders)
{
prodMap[e.product] = true;
}
// now flatten the map to a vector of strings
for (auto const& e : prodMap)
for (auto const &e : prodMap)
{
products.push_back(e.first);
}
@ -32,41 +31,41 @@ std::vector<std::string> OrderBook::getKnownProducts()
return products;
}
/** return vector of Orders according to the sent filters*/
std::vector<OrderBookEntry> OrderBook::getOrders(OrderBookType type,
std::string product,
std::string timestamp)
std::vector<OrderBookEntry> OrderBook::getOrders(OrderBookType type,
std::string product,
std::string timestamp)
{
std::vector<OrderBookEntry> orders_sub;
for (OrderBookEntry& e : orders)
for (OrderBookEntry &e : orders)
{
if (e.orderType == type &&
e.product == product &&
e.timestamp == timestamp )
{
orders_sub.push_back(e);
}
if (e.orderType == type &&
e.product == product &&
e.timestamp == timestamp)
{
orders_sub.push_back(e);
}
}
return orders_sub;
}
double OrderBook::getHighPrice(std::vector<OrderBookEntry>& orders)
double OrderBook::getHighPrice(std::vector<OrderBookEntry> &orders)
{
double max = orders[0].price;
for (OrderBookEntry& e : orders)
for (OrderBookEntry &e : orders)
{
if (e.price > max)max = e.price;
if (e.price > max)
max = e.price;
}
return max;
}
double OrderBook::getLowPrice(std::vector<OrderBookEntry>& orders)
double OrderBook::getLowPrice(std::vector<OrderBookEntry> &orders)
{
double min = orders[0].price;
for (OrderBookEntry& e : orders)
for (OrderBookEntry &e : orders)
{
if (e.price < min)min = e.price;
if (e.price < min)
min = e.price;
}
return min;
}
@ -79,9 +78,9 @@ std::string OrderBook::getEarliestTime()
std::string OrderBook::getNextTime(std::string timestamp)
{
std::string next_timestamp = "";
for (OrderBookEntry& e : orders)
for (OrderBookEntry &e : orders)
{
if (e.timestamp > timestamp)
if (e.timestamp > timestamp)
{
next_timestamp = e.timestamp;
break;
@ -94,7 +93,7 @@ std::string OrderBook::getNextTime(std::string timestamp)
return next_timestamp;
}
void OrderBook::insertOrder(OrderBookEntry& order)
void OrderBook::insertOrder(OrderBookEntry &order)
{
orders.push_back(order);
std::sort(orders.begin(), orders.end(), OrderBookEntry::compareByTimestamp);
@ -102,17 +101,17 @@ void OrderBook::insertOrder(OrderBookEntry& order)
std::vector<OrderBookEntry> OrderBook::matchAsksToBids(std::string product, std::string timestamp)
{
// asks = orderbook.asks
std::vector<OrderBookEntry> asks = getOrders(OrderBookType::ask,
product,
// asks = orderbook.asks
std::vector<OrderBookEntry> asks = getOrders(OrderBookType::ask,
product,
timestamp);
// bids = orderbook.bids
std::vector<OrderBookEntry> bids = getOrders(OrderBookType::bid,
product,
timestamp);
// bids = orderbook.bids
std::vector<OrderBookEntry> bids = getOrders(OrderBookType::bid,
product,
timestamp);
// sales = []
std::vector<OrderBookEntry> sales;
std::vector<OrderBookEntry> sales;
// I put in a little check to ensure we have bids and asks
// to process.
@ -127,24 +126,24 @@ std::vector<OrderBookEntry> OrderBook::matchAsksToBids(std::string product, std:
// sort bids highest first
std::sort(bids.begin(), bids.end(), OrderBookEntry::compareByPriceDesc);
// for ask in asks:
std::cout << "max ask " << asks[asks.size()-1].price << std::endl;
std::cout << "max ask " << asks[asks.size() - 1].price << std::endl;
std::cout << "min ask " << asks[0].price << std::endl;
std::cout << "max bid " << bids[0].price << std::endl;
std::cout << "min bid " << bids[bids.size()-1].price << std::endl;
for (OrderBookEntry& ask : asks)
std::cout << "min bid " << bids[bids.size() - 1].price << std::endl;
for (OrderBookEntry &ask : asks)
{
// for bid in bids:
for (OrderBookEntry& bid : bids)
// for bid in bids:
for (OrderBookEntry &bid : bids)
{
// if bid.price >= ask.price # we have a match
// if bid.price >= ask.price # we have a match
if (bid.price >= ask.price)
{
// sale = new order()
// sale.price = ask.price
OrderBookEntry sale{ask.price, 0, timestamp,
product,
OrderBookType::asksale};
// sale = new order()
// sale.price = ask.price
OrderBookEntry sale{ask.price, 0, timestamp,
product,
OrderBookType::asksale};
if (bid.username == "simuser")
{
@ -154,63 +153,62 @@ std::vector<OrderBookEntry> OrderBook::matchAsksToBids(std::string product, std:
if (ask.username == "simuser")
{
sale.username = "simuser";
sale.orderType = OrderBookType::asksale;
sale.orderType = OrderBookType::asksale;
}
// # now work out how much was sold and
// # create new bids and asks covering
// # anything that was not sold
// if bid.amount == ask.amount: # bid completely clears ask
// # now work out how much was sold and
// # create new bids and asks covering
// # anything that was not sold
// if bid.amount == ask.amount: # bid completely clears ask
if (bid.amount == ask.amount)
{
// sale.amount = ask.amount
// sale.amount = ask.amount
sale.amount = ask.amount;
// sales.append(sale)
// sales.append(sale)
sales.push_back(sale);
// bid.amount = 0 # make sure the bid is not processed again
// bid.amount = 0 # make sure the bid is not processed again
bid.amount = 0;
// # can do no more with this ask
// # go onto the next ask
// break
// # can do no more with this ask
// # go onto the next ask
// break
break;
}
// if bid.amount > ask.amount: # ask is completely gone slice the bid
// if bid.amount > ask.amount: # ask is completely gone slice the bid
if (bid.amount > ask.amount)
{
// sale.amount = ask.amount
// sale.amount = ask.amount
sale.amount = ask.amount;
// sales.append(sale)
// sales.append(sale)
sales.push_back(sale);
// # we adjust the bid in place
// # so it can be used to process the next ask
// bid.amount = bid.amount - ask.amount
bid.amount = bid.amount - ask.amount;
// # ask is completely gone, so go to next ask
// break
// # we adjust the bid in place
// # so it can be used to process the next ask
// bid.amount = bid.amount - ask.amount
bid.amount = bid.amount - ask.amount;
// # ask is completely gone, so go to next ask
// break
break;
}
// if bid.amount < ask.amount # bid is completely gone, slice the ask
if (bid.amount < ask.amount &&
bid.amount > 0)
// if bid.amount < ask.amount # bid is completely gone, slice the ask
if (bid.amount < ask.amount &&
bid.amount > 0)
{
// sale.amount = bid.amount
// sale.amount = bid.amount
sale.amount = bid.amount;
// sales.append(sale)
// sales.append(sale)
sales.push_back(sale);
// # update the ask
// # and allow further bids to process the remaining amount
// ask.amount = ask.amount - bid.amount
// # update the ask
// # and allow further bids to process the remaining amount
// ask.amount = ask.amount - bid.amount
ask.amount = ask.amount - bid.amount;
// bid.amount = 0 # make sure the bid is not processed again
// bid.amount = 0 # make sure the bid is not processed again
bid.amount = 0;
// # some ask remains so go to the next bid
// continue
// # some ask remains so go to the next bid
// continue
continue;
}
}
}
}
return sales;
return sales;
}

34
CM2005 Object Oriented Programming/Midterm/Midterm Project/OrderBook.h
View File

@ -6,33 +6,31 @@
class OrderBook
{
public:
public:
/** construct, reading a csv data file */
OrderBook(std::string filename);
OrderBook(std::string filename);
/** return vector of all know products in the dataset*/
std::vector<std::string> getKnownProducts();
std::vector<std::string> getKnownProducts();
/** return vector of Orders according to the sent filters*/
std::vector<OrderBookEntry> getOrders(OrderBookType type,
std::string product,
std::string timestamp);
std::vector<OrderBookEntry> getOrders(OrderBookType type,
std::string product,
std::string timestamp);
/** returns the earliest time in the orderbook*/
std::string getEarliestTime();
/** returns the next time after the
/** returns the earliest time in the orderbook*/
std::string getEarliestTime();
/** returns the next time after the
* sent time in the orderbook
* If there is no next timestamp, wraps around to the start
* */
std::string getNextTime(std::string timestamp);
std::string getNextTime(std::string timestamp);
void insertOrder(OrderBookEntry& order);
void insertOrder(OrderBookEntry &order);
std::vector<OrderBookEntry> matchAsksToBids(std::string product, std::string timestamp);
static double getHighPrice(std::vector<OrderBookEntry>& orders);
static double getLowPrice(std::vector<OrderBookEntry>& orders);
private:
std::vector<OrderBookEntry> orders;
std::vector<OrderBookEntry> matchAsksToBids(std::string product, std::string timestamp);
static double getHighPrice(std::vector<OrderBookEntry> &orders);
static double getLowPrice(std::vector<OrderBookEntry> &orders);
private:
std::vector<OrderBookEntry> orders;
};

28
CM2005 Object Oriented Programming/Midterm/Midterm Project/OrderBookEntry.cpp
View File

@ -1,20 +1,20 @@
#include "OrderBookEntry.h"
OrderBookEntry::OrderBookEntry( double _price,
double _amount,
std::string _timestamp,
std::string _product,
OrderBookType _orderType,
std::string _username)
: price(_price),
amount(_amount),
timestamp(_timestamp),
product(_product),
orderType(_orderType),
username(_username)
OrderBookEntry::OrderBookEntry(
double _price,
double _amount,
std::string _timestamp,
std::string _product,
OrderBookType _orderType,
std::string _username)
:
price(_price),
amount(_amount),
timestamp(_timestamp),
product(_product),
orderType(_orderType),
username(_username)
{
}
OrderBookType OrderBookEntry::stringToOrderBookType(std::string s)

63
CM2005 Object Oriented Programming/Midterm/Midterm Project/OrderBookEntry.h
View File

@ -2,39 +2,44 @@
#include <string>
enum class OrderBookType{bid, ask, unknown, asksale, bidsale};
enum class OrderBookType
{
bid,
ask,
unknown,
asksale,
bidsale
};
class OrderBookEntry
{
public:
public:
OrderBookEntry(double _price,
double _amount,
std::string _timestamp,
std::string _product,
OrderBookType _orderType,
std::string username = "dataset");
OrderBookEntry( double _price,
double _amount,
std::string _timestamp,
std::string _product,
OrderBookType _orderType,
std::string username = "dataset");
static OrderBookType stringToOrderBookType(std::string s);
static OrderBookType stringToOrderBookType(std::string s);
static bool compareByTimestamp(OrderBookEntry &e1, OrderBookEntry &e2)
{
return e1.timestamp < e2.timestamp;
}
static bool compareByPriceAsc(OrderBookEntry &e1, OrderBookEntry &e2)
{
return e1.price < e2.price;
}
static bool compareByPriceDesc(OrderBookEntry &e1, OrderBookEntry &e2)
{
return e1.price > e2.price;
}
static bool compareByTimestamp(OrderBookEntry& e1, OrderBookEntry& e2)
{
return e1.timestamp < e2.timestamp;
}
static bool compareByPriceAsc(OrderBookEntry& e1, OrderBookEntry& e2)
{
return e1.price < e2.price;
}
static bool compareByPriceDesc(OrderBookEntry& e1, OrderBookEntry& e2)
{
return e1.price > e2.price;
}
double price;
double amount;
std::string timestamp;
std::string product;
OrderBookType orderType;
std::string username;
double price;
double amount;
std::string timestamp;
std::string product;
OrderBookType orderType;
std::string username;
};

20
CM2005 Object Oriented Programming/Midterm/Midterm Project/TradingBot.cpp Normal file
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@ -0,0 +1,20 @@
#include "TradingBot.h"
#include <iostream>
Bot::Bot(std::string filename)
{
orders = CSVReader::readCSV(filename);
Print(20);
}
void Bot::Print(int intLimit)
{
int i = 0;
for (OrderBookEntry &entry : orders)
{
std::cout << entry.product << " " << entry.price << " " << entry.amount << std::endl;
i++;
if (i == intLimit)
break;
}
}

15
CM2005 Object Oriented Programming/Midterm/Midterm Project/TradingBot.h Normal file
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@ -0,0 +1,15 @@
#pragma once
#include "OrderBook.h"
#include <vector>
//#include "CSVReader.h"
class Bot
{
public:
Bot(std::string filename);
void Print(int intLimit);
private:
std::vector<OrderBookEntry> orders;
};

35
CM2005 Object Oriented Programming/Midterm/Midterm Project/Wallet.cpp
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@ -4,8 +4,6 @@
Wallet::Wallet()
{
}
void Wallet::insertCurrency(std::string type, double amount)
@ -19,33 +17,35 @@ void Wallet::insertCurrency(std::string type, double amount)
{
balance = 0;
}
else { // is there
else
{ // is there
balance = currencies[type];
}
balance += amount;
currencies[type] = balance;
balance += amount;
currencies[type] = balance;
}
bool Wallet::removeCurrency(std::string type, double amount)
{
if (amount < 0)
{
return false;
return false;
}
if (currencies.count(type) == 0) // not there yet
{
//std::cout << "No currency for " << type << std::endl;
return false;
}
else { // is there - do we have enough
if (containsCurrency(type, amount))// we have enough
else
{ // is there - do we have enough
if (containsCurrency(type, amount)) // we have enough
{
//std::cout << "Removing " << type << ": " << amount << std::endl;
currencies[type] -= amount;
return true;
}
}
else // they have it but not enough.
return false;
return false;
}
}
@ -53,15 +53,14 @@ bool Wallet::containsCurrency(std::string type, double amount)
{
if (currencies.count(type) == 0) // not there yet
return false;
else
else
return currencies[type] >= amount;
}
std::string Wallet::toString()
{
std::string s;
for (std::pair<std::string,double> pair : currencies)
for (std::pair<std::string, double> pair : currencies)
{
std::string currency = pair.first;
double amount = pair.second;
@ -91,12 +90,10 @@ bool Wallet::canFulfillOrder(OrderBookEntry order)
return containsCurrency(currency, amount);
}
return false;
return false;
}
void Wallet::processSale(OrderBookEntry& sale)
void Wallet::processSale(OrderBookEntry &sale)
{
std::vector<std::string> currs = CSVReader::tokenise(sale.product, '/');
// ask
@ -109,7 +106,6 @@ void Wallet::processSale(OrderBookEntry& sale)
currencies[incomingCurrency] += incomingAmount;
currencies[outgoingCurrency] -= outgoingAmount;
}
// bid
if (sale.orderType == OrderBookType::bidsale)
@ -123,9 +119,8 @@ void Wallet::processSale(OrderBookEntry& sale)
currencies[outgoingCurrency] -= outgoingAmount;
}
}
std::ostream& operator<<(std::ostream& os, Wallet& wallet)
std::ostream &operator<<(std::ostream &os, Wallet &wallet)
{
os << wallet.toString();
return os;
}

46
CM2005 Object Oriented Programming/Midterm/Midterm Project/Wallet.h
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@ -5,36 +5,28 @@
#include "OrderBookEntry.h"
#include <iostream>
class Wallet
class Wallet
{
public:
Wallet();
/** insert currency to the wallet */
void insertCurrency(std::string type, double amount);
/** remove currency from the wallet */
bool removeCurrency(std::string type, double amount);
/** check if the wallet contains this much currency or more */
bool containsCurrency(std::string type, double amount);
/** checks if the wallet can cope with this ask or bid.*/
bool canFulfillOrder(OrderBookEntry order);
/** update the contents of the wallet
public:
Wallet();
/** insert currency to the wallet */
void insertCurrency(std::string type, double amount);
/** remove currency from the wallet */
bool removeCurrency(std::string type, double amount);
/** check if the wallet contains this much currency or more */
bool containsCurrency(std::string type, double amount);
/** checks if the wallet can cope with this ask or bid.*/
bool canFulfillOrder(OrderBookEntry order);
/** update the contents of the wallet
* assumes the order was made by the owner of the wallet
*/
void processSale(OrderBookEntry& sale);
void processSale(OrderBookEntry &sale);
/** generate a string representation of the wallet */
std::string toString();
friend std::ostream &operator<<(std::ostream &os, Wallet &wallet);
/** generate a string representation of the wallet */
std::string toString();
friend std::ostream& operator<<(std::ostream& os, Wallet& wallet);
private:
std::map<std::string,double> currencies;
private:
std::map<std::string, double> currencies;
};

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CM2005 Object Oriented Programming/Midterm/Midterm Project/a.exe Normal file
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7
CM2005 Object Oriented Programming/Midterm/Midterm Project/main.cpp
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@ -1,10 +1,11 @@
#include "Wallet.h"
#include <iostream>
#include "MerkelMain.h"
#include "TradingBot.h"
int main()
{
{
MerkelMain app{};
app.init();
Bot myBot("20200317.csv");
//app.init();
}