def update(self):
# Get current state of trade history before placing orders
log.info("Update entered")
now = str(datetime.datetime.now().isoformat()[:-7].replace("T", " "))
last_trade_price = self.exchange.get_last_trade_price()
first_order = get_first_order(self.mutex_UUID)
current_history = self.exchange.get_my_trade_history(first_order)
last_order = get_last_order(self.mutex_UUID)
new_history = get_new_history(current_history, last_order)
print('first_order', first_order)
print('last_order', last_order)
print('new_history', new_history)
new_transactions = []
if len(new_history) > 0:
# We have new transactions
log.info('we have new history')
log.debug("New transactions: {}".format(new_history))
new_transactions = self.rebalance_orders(new_history)
#self.merge_orders()
# context to be used for GUI plotting
context = {"price": (now, last_trade_price),
"filled_orders": new_transactions,
"open_orders": self.exchange.get_my_open_orders(context_formatted=True),
"balances": self.exchange.get_balances(),
"orderbook": self.exchange.get_all_orders()
}
return context
def handle_market_order(self, amount, price, type_to_place, tx_id):
log.info(
'handle market order price: {}, amount: {}, type_to_place: {}'.
format(price, amount, type_to_place))
last_id_before_market = get_last_order(self.mutex_UUID)
if type_to_place == BUY:
self.exchange.market_buy(amount, price)
elif type_to_place == SELL:
self.exchange.market_sell(amount, price)
current_history = self.exchange.get_my_trade_history()
if self.exchange.name != 'tux':
self.exchange.process_new_transactions(current_history)
market_history = get_new_history(current_history,
last_id_before_market)
market_data = get_market_results(market_history)
# The sell gave us some BTC. The buy is executed with that BTC.
# The market buy will get us X xmr in return. All of that xmr
# should be placed at the original order's matching price.
#
# We need to do something here about the partials if it doesnt fully fill
amount_executed = Decimal(market_data['amount_executed'])
price_numerator = Decimal(market_data['price_numerator'])
last_txid = market_data['last_txid']
log.info('market data: {}'.format(market_data))
update_merkato(self.mutex_UUID, LAST_ORDER, last_txid)
market_order_filled = amount <= amount_executed
if market_order_filled:
if type_to_place == BUY:
price = price * Decimal(1 + self.spread)
self.exchange.sell(amount_executed,
price) # Should never market order
elif type_to_place == SELL:
price = price * Decimal(1 - self.spread)
self.exchange.buy(amount_executed, price)
else:
log.info(
'handle_market_order: partials affected, amount: {} amount_executed: {}'
.format(amount, amount_executed))
if type_to_place == BUY:
self.quote_partials_balance += amount_executed
update_merkato(self.mutex_UUID, 'quote_partials_balance',
float(self.quote_partials_balance))
log.info('market buy partials after: {}'.format(
self.quote_partials_balance))
else:
self.base_partials_balance += amount_executed * price_numerator
update_merkato(self.mutex_UUID, 'base_partials_balance',
float(self.base_partials_balance))
log.info('market sell partials after {}'.format(
self.base_partials_balance))
def update(self):
''' TODO: Function comment
'''
log.info("Update entered\n")
now = str(datetime.datetime.now().isoformat()[:-7].replace("T", " "))
last_trade_price = self.exchange.get_last_trade_price()
if last_trade_price == "EOF":
# Test merkato datastream ended
print("test datastream ended")
return "stuffs"
first_order = get_first_order(self.mutex_UUID)
last_order = get_last_order(self.mutex_UUID)
current_history = self.exchange.get_my_trade_history()
new_history = get_new_history(current_history, last_order)
log.info(
'update new_history: {} first_order: {} last_order: {} \n'.format(
new_history, first_order, last_order))
new_transactions = []
if len(new_history) > 0:
log.info('we have new history')
log.debug("New transactions: {} \n".format(new_history))
new_transactions = self.rebalance_orders(new_history)
#self.merge_orders()
# todo: Talk about whether merging 'close enough' orders is reasonable.
# context to be used for GUI plotting
context = {
"price": (now, last_trade_price),
"filled_orders": new_transactions,
"open_orders":
self.exchange.get_my_open_orders(context_formatted=True),
"balances": self.exchange.get_balances(),
"orderbook": self.exchange.get_all_orders(),
"starting_price": self.starting_price,
"starting_base": self.bid_reserved_balance * 4,
"starting_quote": self.ask_reserved_balance * 4,
"spread": self.spread,
"step": self.step
}
return context
def __init__(self, configuration, coin, base, spread,
bid_reserved_balance, ask_reserved_balance,
user_interface=None, profit_margin=0, first_order=''):
validate_merkato_initialization(configuration, coin, base, spread)
self.initialized = False
UUID = configuration[EXCHANGE] + "coin={}_base={}".format(coin,base)
self.mutex_UUID = UUID
self.distribution_strategy = 1
self.spread = float(spread)
self.profit_margin = profit_margin
# Create ladders from the bid and ask bidget here
self.bid_reserved_balance = bid_reserved_balance
self.ask_reserved_balance = ask_reserved_balance
self.user_interface = user_interface
exchange_class = get_relevant_exchange(configuration[EXCHANGE])
self.exchange = exchange_class(configuration, coin=coin, base=base)
merkato_does_exist = merkato_exists(UUID)
if not merkato_does_exist:
log.info("Creating New Merkato")
self.cancelrange(ONE_SATOSHI, ONE_BITCOIN)
total_pair_balances = self.exchange.get_balances()
log.info("total pair balances", total_pair_balances)
allocated_pair_balances = get_allocated_pair_balances(configuration['exchange'], base, coin)
check_reserve_balances(total_pair_balances, allocated_pair_balances, coin_reserve=ask_reserved_balance, base_reserve=bid_reserved_balance)
insert_merkato(configuration[EXCHANGE], UUID, base, coin, spread, bid_reserved_balance, ask_reserved_balance, first_order)
history = self.exchange.get_my_trade_history()
print('initial history', history)
if len(history) > 0:
print('updating history', history[0]['orderId'])
new_last_order = history[0]['orderId']
update_merkato(self.mutex_UUID, LAST_ORDER, new_last_order)
self.distribute_initial_orders(total_base=bid_reserved_balance, total_alt=ask_reserved_balance)
else:
#self.history = get_old_history(self.exchange.get_my_trade_history(), self.mutex_UUID)
first_order = get_first_order(self.mutex_UUID)
current_history = self.exchange.get_my_trade_history(first_order)
last_order = get_last_order(self.mutex_UUID)
new_history = get_new_history(current_history, last_order)
self.rebalance_orders(new_history)
self.initialized = True # to avoid being updated before orders placed
def get_context_history(self):
now = str(datetime.datetime.now().isoformat()[:-7].replace("T", " "))
last_trade_price = self.exchange.get_last_trade_price()
current_history = self.exchange.get_my_trade_history()
first_order = self.first_order
new_history = get_new_history(current_history, first_order)
self.exchange.process_new_transactions(new_history, context_only=True)
context = {
"price": (now, last_trade_price),
"filled_orders": new_history,
"open_orders":
self.exchange.get_my_open_orders(context_formatted=True),
"balances": self.exchange.get_balances(),
"orderbook": self.exchange.get_all_orders(),
"starting_price": self.starting_price,
"starting_base": self.bid_reserved_balance * 4,
"starting_quote": self.ask_reserved_balance * 4,
"spread": self.spread,
"step": self.step
}
return context
def __init__(self,
configuration,
coin,
base,
spread,
bid_reserved_balance,
ask_reserved_balance,
user_interface=None,
profit_margin=0,
first_order='',
starting_price=.018,
increased_orders=0,
step=1.0033,
distribution_strategy=1,
init_base_balance=0,
init_quote_balance=0,
base_profit=0,
quote_profit=0,
buy_volume=0,
sell_volume=0):
validate_merkato_initialization(configuration, coin, base, spread)
self.initialized = False
UUID = configuration[EXCHANGE] + "coin={}_base={}".format(coin, base)
self.mutex_UUID = UUID
self.distribution_strategy = distribution_strategy
self.spread = Decimal(spread)
self.profit_margin = Decimal(profit_margin)
self.starting_price = starting_price
self.step = step
self.increased_orders = increased_orders
self.quote_profit = Decimal(quote_profit)
self.base_profit = Decimal(base_profit)
self.bid_reserved_balance = Decimal(float(bid_reserved_balance))
self.ask_reserved_balance = Decimal(float(ask_reserved_balance))
self.init_base_balance = init_base_balance
self.init_quote_balance = init_quote_balance
# The current sum of all partially filled orders
self.base_partials_balance = 0
self.quote_partials_balance = 0
self.buy_volume = buy_volume
self.sell_volume = sell_volume
self.last_placed_UUID = '' #this assures that no faulty doubled up orders will be placed sequentially
self.user_interface = user_interface
exchange_class = get_relevant_exchange(configuration[EXCHANGE])
self.exchange = exchange_class(configuration, coin=coin, base=base)
merkato_does_exist = merkato_exists(self.mutex_UUID)
if not merkato_does_exist:
log.info("Creating New Merkato")
self.cancelrange(ONE_SATOSHI, ONE_BITCOIN)
total_pair_balances = self.exchange.get_balances()
log.info("total pair balances: {}".format(total_pair_balances))
allocated_pair_balances = get_allocated_pair_balances(
configuration['exchange'], base, coin)
check_reserve_balances(total_pair_balances,
allocated_pair_balances,
coin_reserve=ask_reserved_balance,
base_reserve=bid_reserved_balance)
insert_merkato(configuration[EXCHANGE],
self.mutex_UUID,
base,
coin,
spread,
bid_reserved_balance,
ask_reserved_balance,
first_order,
starting_price,
init_base_balance=bid_reserved_balance,
init_quote_balance=ask_reserved_balance,
step=step)
history = self.exchange.get_my_trade_history()
log.debug('initial history: {}'.format(history))
if len(history) > 0:
log.debug('updating history first ID: {}'.format(
history[0][ID]))
new_last_order = history[0][ID]
update_merkato(self.mutex_UUID, LAST_ORDER, new_last_order)
self.distribute_initial_orders(total_base=bid_reserved_balance,
total_alt=ask_reserved_balance)
else:
first_order = get_first_order(self.mutex_UUID)
current_history = self.exchange.get_my_trade_history()
last_order = get_last_order(self.mutex_UUID)
new_history = get_new_history(current_history, last_order)
self.rebalance_orders(new_history)
self.initialized = True # to avoid being updated before orders placed
def __init__(self,
configuration,
coin,
base,
spread,
bid_reserved_balance,
ask_reserved_balance,
user_interface=None,
profit_margin=0,
first_order='',
starting_price=.018,
quote_volume=0,
base_volume=0):
validate_merkato_initialization(configuration, coin, base, spread)
self.initialized = False
UUID = configuration[EXCHANGE] + "coin={}_base={}".format(coin, base)
self.mutex_UUID = UUID
self.distribution_strategy = 1
self.spread = Decimal(spread)
self.profit_margin = Decimal(profit_margin)
self.starting_price = starting_price
self.quote_volume = Decimal(quote_volume)
self.base_volume = Decimal(base_volume)
self.step = 1.0033
# Exchanges have a maximum number of orders every user can place. Due
# to this, every Merkato has a reserve of coins that are not currently
# allocated. As the price approaches unallocated regions, the reserves
# are deployed.
self.bid_reserved_balance = Decimal(float(bid_reserved_balance))
self.ask_reserved_balance = Decimal(float(ask_reserved_balance))
# The current sum of all partially filled orders
self.base_partials_balance = 0
self.quote_partials_balance = 0
self.user_interface = user_interface
exchange_class = get_relevant_exchange(configuration[EXCHANGE])
self.exchange = exchange_class(configuration, coin=coin, base=base)
merkato_does_exist = merkato_exists(self.mutex_UUID)
if not merkato_does_exist:
log.info("Creating New Merkato")
self.cancelrange(ONE_SATOSHI, ONE_BITCOIN)
total_pair_balances = self.exchange.get_balances()
log.info("total pair balances: {}".format(total_pair_balances))
allocated_pair_balances = get_allocated_pair_balances(
configuration['exchange'], base, coin)
check_reserve_balances(total_pair_balances,
allocated_pair_balances,
coin_reserve=ask_reserved_balance,
base_reserve=bid_reserved_balance)
insert_merkato(configuration[EXCHANGE], self.mutex_UUID, base,
coin, spread, bid_reserved_balance,
ask_reserved_balance, first_order, starting_price)
history = self.exchange.get_my_trade_history()
log.debug('initial history: {}'.format(history))
if len(history) > 0:
log.debug('updating history first ID: {}'.format(
history[0][ID]))
new_last_order = history[0][ID]
update_merkato(self.mutex_UUID, LAST_ORDER, new_last_order)
self.distribute_initial_orders(total_base=bid_reserved_balance,
total_alt=ask_reserved_balance)
else:
first_order = get_first_order(self.mutex_UUID)
current_history = self.exchange.get_my_trade_history(first_order)
last_order = get_last_order(self.mutex_UUID)
new_history = get_new_history(current_history, last_order)
self.rebalance_orders(new_history)
self.initialized = True # to avoid being updated before orders placed
