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watcher-bitmarketPLN.py
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watcher-bitmarketPLN.py
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#!/usr/bin/python
#
# Coinorama/coinref: watch and store raw Bitmarket PLN market info
#
# This file is part of Coinorama <http://coinorama.net>
#
# Copyright (C) 2013-2016 Nicolas BENOIT
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
import time
import traceback
import httplib
import coinwatcher
# Watcher class
class BitmarketPLNWatcher (coinwatcher.CoinWatcher) :
def __init__ ( self, shortname, with_coinrefd, logger ):
coinwatcher.CoinWatcher.__init__ ( self, shortname, with_coinrefd, logger )
self.mostRecentTransactionID = 0
self.mostRecentPrice = 0
self.PLN_USD_rate = 0.3273
self.PLN_USD_stamp = 0
def buildData ( self, book, trades, lag ):
ed = coinwatcher.ExchangeData ( )
mostRecent = self.mostRecentTransactionID
mostRecentPrice = self.mostRecentPrice
try:
for t in trades:
tid = int ( t['tid'] )
tvol = float ( t['amount'] )
if ( ( tid > self.mostRecentTransactionID ) and ( t['date'] > self.epoch ) ):
ed.volume += tvol
ed.nb_trades += 1
if ( tid > mostRecent ):
mostRecent = tid
mostRecentPrice = float ( t['price'] )
except Exception as e:
self.logger.write ( 'error buildData %s' % e )
return None
try:
for b in book['bids']:
if ( 'rate' in b ):
bprice = float ( b['rate'] )
bvol = float ( b['amount'] )
else:
bprice = float ( b[0] )
bvol = float ( b[1] )
ed.bids.append ( [ bprice, bvol ] )
ed.total_bid += bprice * bvol
ed.bids.sort ( reverse=True )
for a in book['asks']:
if ( 'rate' in a ):
aprice = float ( a['rate'] )
avol = float ( a['amount'] )
else:
aprice = float ( a[0] )
avol = float ( a[1] )
ed.asks.append ( [ aprice, avol ] )
ed.total_ask += avol
ed.asks.sort ( )
except Exception as e:
self.logger.write ( 'error buildData %s' % e )
return None
try:
if ( mostRecent != 0 ):
self.mostRecentPrice = mostRecentPrice
if ( self.mostRecentPrice == 0 ):
self.mostRecentPrice = ed.bids[0][0]
if ( mostRecent != 0 ):
self.mostRecentTransactionID = mostRecent
ed.rate = self.mostRecentPrice
ed.lag = lag
ed.ask_value = ed.asks[0][0]
ed.bid_value = ed.bids[0][0]
ed.USD_conv_rate = self.PLN_USD_rate
except Exception as e:
self.logger.write ( 'error buildData %s' % e )
return None
return ed
def fetchData ( self ):
# get USD/PLN rate every hour
if ( (time.time()-self.PLN_USD_stamp) > 3600.0 ):
try:
connection = httplib.HTTPConnection ( 'download.finance.yahoo.com', timeout=4 )
connection.request ( 'GET', '/d/quotes.csv?s=PLNUSD=X&f=sl1&e=.csv' )
r = connection.getresponse ( )
if ( r.status == 200 ):
rate_txt = r.read ( )
rate = float ( rate_txt.split(',')[1] )
if ( rate > 0 ):
self.PLN_USD_rate = rate
self.PLN_USD_stamp = time.time ( )
#self.logger.write ( 'rate: %f ' % self.PLN_USD_rate )
else:
self.logger.write ( 'error PLN_USD status %d' % r.status )
connection.close ( )
except Exception:
self.logger.write ( 'error PLN/USD\n' + str(traceback.format_exc()) )
pass
# disabled 2014 07 18 ; server returned errors
#if ( self.mostRecentTransactionID != 0 ):
# trades = '/json/BTCPLN/trades.json?since=%d' % (self.mostRecentTransactionID-1)
#else:
trades = '/json/BTCPLN/trades.json'
ed = coinwatcher.CoinWatcher.fetchData ( self, httplib.HTTPSConnection, 'www.bitmarket.pl', '/json/BTCPLN/orderbook.json', trades )
return ed
#
#
# main program
#
if __name__ == "__main__":
coinwatcher.main ( 'Bitmarket-PLN', 'bitmarketPLN', BitmarketPLNWatcher )