def main():
"""
Download the entire history of trades from MtGox.
If there is partial download, the download will resume from the last
stored transaction id.
"""
mtgox_client, tradefetch, db = mtgox_tradehist.setup_client(
verbose=1, max_hours_ago=None)
mtgox_client.evt.listen('done', lambda _: reactor.stop())
reactor.run()
def main():
hours_ago = 48 # 2 days of data
mtgox_client, tradefetch, db = mtgox_tradehist.setup_client(verbose=0,
max_hours_ago=hours_ago, dbname='mtgox_trades3.db')
plot = Demo(db, max_hours_ago=hours_ago,
candle_minute_duration=30, # 2 candles per hour
plot_hours=48) # 2 days, 96 candles
print('Loading from database..')
plot.load_from_db()
print('Setting up MtGox client..')
def store_new_trade(trade):
if trade.timestamp is None:
return
elif not plot.loaded:
print("still fetching..")
return
print("> trade", trade)
tradefetch.store_trade(trade)
task.deferLater(reactor, 0, plot.load_from_db)
def stop_accepting_trades(client):
print("no more live trades for you")
plot.loaded = False
def start_accepting_trades(client):
print("what is done is done")
plot.load_from_db()
plot.loaded = True
# During loading from database, we will receive several 'partial_download'
# events representing that some part of the requested data is already
# available.
mtgox_client.evt.listen('partial_download', lambda _: plot.load_from_db())
# If the database has been loaded, trades from the streaming data will
# be stored as they come in.
mtgox_client.evt.listen('trade', store_new_trade)
# Each time we connect, listen from trades.
mtgox_client.call('subscribe_type', 'trades', on_event='connected')
# After database is loaded, start storing new trades.
mtgox_client.call(start_accepting_trades, on_event='done')
# When we disconnect, we need to identify that we need to fetch
# trades again once we reconnect.
mtgox_client.call(stop_accepting_trades, on_event='disconnected')
# Note that the object is listening for the 'connected' event
# such that it will download the trades we missed while
# disconnected and then emit a 'done' event after it has fetched
# all such trades.
#
# Nice eh ?
print('Showing GUI..')
plot.show()
plot.raise_()
reactor.addSystemEventTrigger('after', 'shutdown', app.quit)
reactor.run()
