Exemplo n.º 1
0
def addorder():

    """ Checks balance and essential stuff, generates an order ID then adds order to a redis queue. """
    instrument = request.form['currency_pair']
    if not is_logged_in(session):
        return home_page(instrument, danger="Please log in to perform that action.")
    
    #They shouldn't be able to modify the trade pair, if it isnt valid either I messed up somewhere or they are trying to do something wrong
    if not config.is_valid_instrument(instrument):
        return home_page("ltc_btc", danger="Unknown Error, contact the administrator!") 

    base_currency = request.form['currency_pair'].split("_")[0]
    quote_currency = request.form['currency_pair'].split("_")[1]
    try:
        rprice = Decimal(request.form['price'])
        ramount = string_to_currency_unit(request.form['amount'], config.get_multiplier(base_currency))
        print(ramount)
    except Exception as e:
        print(e)
        return home_page(instrument, danger="Please enter numerical values for price and amount!") 
    if ramount < 1: #TODO: find a good amount for this
        return home_page(instrument, danger="Transaction amount too low!") 
    if rprice <= 0:
        return home_page(instrument, danger="Price must be greater than 0!") 

    getcontext().prec = 6
    whole, dec = ExtendedContext.divmod(rprice*ramount/config.get_multiplier(base_currency), Decimal(1))
    total = int(whole * config.get_multiplier(base_currency) + dec * config.get_multiplier(base_currency)) 
    print("total: " + str(total))
    uid = session['userid']

    orderid = generate_password_hash(str(random.random()))
    instrument = request.form['currency_pair']
    bidtable = instrument + "/bid"
    asktable = instrument + "/ask"

    if request.form['ordertype'] == 'buy': 
        currency = quote_currency
        if check_balance(currency,session['userid']) < total:
            return home_page(instrument, danger="Balance too low to execute order!")
        else:
            adjustbalance(currency,session['userid'],-1 * total)
    elif request.form['ordertype'] == 'sell':
        currency = base_currency
        if check_balance(currency, uid) < ramount:
            return home_page(instrument, danger="Balance too low to execute order!")
        else:
            adjustbalance(currency, uid, -1 * ramount)
    else:
        return home_page(instrument, danger="Unknown Error, contact the administrator!") #invalid order type, they must have been messing around
    redis.hmset(orderid, {"ordertype":request.form['ordertype'],"instrument":request.form['currency_pair'],"amount":ramount, "uid":uid,"price":rprice})
    redis.rpush("order_queue",orderid)
    redis.sadd(str(uid)+"/orders", orderid)
    return home_page(instrument, dismissable="Order placed successfully!")
Exemplo n.º 2
0
def addorder():
    """ Checks balance and essential stuff, generates an order ID then adds order to a redis queue. """
    instrument = request.form['currency_pair']
    if not is_logged_in(session):
        return home_page(instrument, danger="Please log in to perform that action.")
    
    #They shouldn't be able to modify the trade pair, if it isnt valid either I messed up somewhere or they are trying to do something wrong
    if not config.is_valid_instrument(instrument):
        return home_page("ltc_btc", danger="Unknown Error, contact the administrator!") 

    base_currency = request.form['currency_pair'].split("_")[0]
    quote_currency = request.form['currency_pair'].split("_")[1]
    try:
        rprice = float(request.form['price'])
        ramount = int(float(request.form['amount'])* config.get_multiplier(base_currency))
    except:
        return home_page(instrument, danger="Please enter numerical values for price and amount!") 
    if ramount < 1: #TODO: find a good amount for this
        return home_page(instrument, danger="Transaction amount too low!") 
    if rprice <= 0:
        return home_page(instrument, danger="Price must be greater than 0!") 

    total = int(rprice * ramount)
    uid = session['userid']

    orderid = generate_password_hash(str(random.random()))
    instrument = request.form['currency_pair']
    bidtable = instrument + "/bid"
    asktable = instrument + "/ask"

    if request.form['ordertype'] == 'buy': 
        currency = quote_currency
        if check_balance(currency,session['userid']) < total:
            return home_page(instrument, danger="Balance too low to execute order!")
        else:
            adjustbalance(currency,session['userid'],-1 * total)
    elif request.form['ordertype'] == 'sell':
        currency = base_currency
        if check_balance(currency, uid) < ramount:
            return home_page(instrument, danger="Balance too low to execute order!")
        else:
            adjustbalance(currency, uid, -1 * ramount)
    else:
        return home_page(instrument, danger="Unknown Error, contact the administrator!") #invalid order type, they must have been messing around
    redis.hmset(orderid, {"ordertype":request.form['ordertype'],"instrument":request.form['currency_pair'],"amount":ramount, "uid":uid,"price":rprice})
    redis.rpush("order_queue",orderid)
    redis.sadd(str(uid)+"/orders", orderid)
    return home_page(instrument, dismissable="Order placed successfully!")
Exemplo n.º 3
0
def getjsonorders(instrument,t):
    """ Returns open orders from redis orderbook. """
    orders = []
    if config.is_valid_instrument(instrument):
        if t == "bid":
            bids = redis.zrange(instrument+"/bid",0,-1,withscores=True)
            for bid in bids:
                orders.append({"price":bid[1], "amount":redis.hget(bid[0],"amount")})
        else:
            asks = redis.zrange(instrument+"/ask",0,-1,withscores=True)
            for ask in asks:
                orders.append({"price":ask[1], "amount":redis.hget(ask[0],"amount")})
        #So prices are not quoted in satoshis
        #TODO: move this client side?
        for order in orders:
            order['amount'] = float(order['amount'])/config.get_multiplier(instrument.split("_")[0])
    else:
        orders.append("Invalid trade pair!")
    jo = json.dumps(orders)
    return Response(jo,  mimetype='application/json')
Exemplo n.º 4
0
def getjsonorders(instrument,t):
    """ Returns open orders from redis orderbook. """
    orders = []
    if config.is_valid_instrument(instrument):
        if t == "bid":
            bids = redis.zrange(instrument+"/bid",0,-1,withscores=True)
            for bid in bids:
                orders.append({"price":bid[1], "amount":redis.hget(bid[0],"amount")})
        else:
            asks = redis.zrange(instrument+"/ask",0,-1,withscores=True)
            for ask in asks:
                orders.append({"price":ask[1], "amount":redis.hget(ask[0],"amount")})
        #So prices are not quoted in satoshis
        #TODO: move this client side?
        for order in orders:
            order['amount'] = float(order['amount'])/config.get_multiplier(instrument.split("_")[0])
    else:
        orders.append("Invalid trade pair!")
    jo = json.dumps(orders)
    return Response(jo,  mimetype='application/json')
Exemplo n.º 5
0
def trade_page(instrument):    
    if not config.is_valid_instrument(instrument):
        return home_page("ltc_btc", danger="Invalid trade pair!")
    return home_page(instrument)
Exemplo n.º 6
0
def trade_page(instrument):    
    if not config.is_valid_instrument(instrument):
        return home_page("ltc_btc", danger="Invalid trade pair!")
    return home_page(instrument)