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ob-watcher.py
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ob-watcher.py
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import BaseHTTPServer, SimpleHTTPServer, threading
import urllib2
import io, base64, time, sys, os
data_dir = os.path.dirname(os.path.realpath(__file__))
sys.path.insert(0, os.path.join(data_dir, 'lib'))
import taker
from irc import IRCMessageChannel, random_nick
from common import *
import common
# ['counterparty', 'oid', 'ordertype', 'minsize', 'maxsize', 'txfee', 'cjfee']
col = ' <th>{1}</th>\n' # .format(field,label)
tableheading = '<table class="tftable sortable" border="1">\n <tr>' + ''.join([
col.format('ordertype','Type'),
col.format('counterparty','Counterparty'),
col.format('oid','Order ID'),
col.format('cjfee','Fee'),
col.format('txfee','Miner Fee Contribution'),
col.format('minsize','Minimum Size'),
col.format('maxsize','Maximum Size')]) + ' </tr>'
shutdownform = '<form action="shutdown" method="post"><input type="submit" value="Shutdown" /></form>'
shutdownpage = '<html><body><center><h1>Successfully Shut down</h1></center></body></html>'
refresh_orderbook_form = '<form action="refreshorderbook" method="post"><input type="submit" value="Check for timed-out counterparties" /></form>'
def calc_depth_data(db, value):
pass
def calc_order_size_data(db):
return ordersizes
def create_depth_chart(db, cj_amount):
try:
import matplotlib.pyplot as plt
except ImportError:
return 'Install matplotlib to see graphs'
sqlorders = db.execute('SELECT * FROM orderbook;').fetchall()
orderfees = [calc_cj_fee(o['ordertype'], o['cjfee'], cj_amount)/1e8
for o in sqlorders if cj_amount >= o['minsize'] and cj_amount <= o['maxsize']]
if len(orderfees) == 0:
return 'No orders at amount ' + str(cj_amount/1e8)
fig = plt.figure()
if len(orderfees) == 1:
plt.hist(orderfees, 30, rwidth=0.8, range=(orderfees[0]/2, orderfees[0]*2))
else:
plt.hist(orderfees, 30, rwidth=0.8)
plt.grid()
plt.title('CoinJoin Orderbook Depth Chart for amount=' + str(cj_amount/1e8) + 'btc')
plt.xlabel('CoinJoin Fee / btc')
plt.ylabel('Frequency')
return get_graph_html(fig)
def create_size_histogram(db, args):
try:
import matplotlib.pyplot as plt
except ImportError:
return 'Install matplotlib to see graphs'
rows = db.execute('SELECT maxsize FROM orderbook;').fetchall()
ordersizes = sorted([r['maxsize']/1e8 for r in rows])
fig = plt.figure()
scale = args.get("scale")
if (scale is not None) and (scale[0] == "log"):
ratio = ordersizes[-1] / ordersizes[0]
step = ratio ** 0.0333 # 1/30
bins = [ordersizes[0] * (step ** i) for i in range(30)]
else:
bins = 30
plt.hist(ordersizes, bins, histtype='bar', rwidth=0.8)
if bins is not 30:
fig.axes[0].set_xscale('log')
plt.grid()
plt.xlabel('Order sizes / btc')
plt.ylabel('Frequency')
return get_graph_html(fig) + ("<br/><a href='?scale=log'>log scale</a>"
if bins == 30 else "<br/><a href='?'>linear</a>")
def get_graph_html(fig):
imbuf = io.BytesIO()
fig.savefig(imbuf, format='png')
b64 = base64.b64encode(imbuf.getvalue())
return '<img src="data:image/png;base64,' + b64 + '" />'
def do_nothing(arg, order):
return arg
def ordertype_display(ordertype, order):
ordertypes = {'absorder': 'Absolute Fee', 'relorder': 'Relative Fee'}
return ordertypes[ordertype]
def cjfee_display(cjfee, order):
if order['ordertype'] == 'absorder':
return satoshi_to_unit(cjfee, order)
elif order['ordertype'] == 'relorder':
return str(float(cjfee) * 100) + '%'
def satoshi_to_unit(sat, order):
return "%.8f" % float(Decimal(sat) / Decimal(1e8))
def order_str(s, order):
return str(s)
class OrderbookPageRequestHeader(SimpleHTTPServer.SimpleHTTPRequestHandler):
def __init__(self, request, client_address, base_server):
self.taker = base_server.taker
self.base_server = base_server
SimpleHTTPServer.SimpleHTTPRequestHandler.__init__(self, request, client_address, base_server)
def create_orderbook_table(self, orderby, desc):
result = ''
rows = self.taker.db.execute('SELECT * FROM orderbook;').fetchall()
if not rows:
return 0, result
if orderby:
orderby = orderby[0]
ordersorder = ['absorder','relorder']
if orderby not in rows[0].keys() or orderby == 'cjfee':
orderby = 'cjfee'
orderby_cmp = lambda x,y: cmp(Decimal(x['cjfee']),Decimal(y['cjfee'])) if x['ordertype']==y['ordertype'] \
else cmp(ordersorder.index(x['ordertype']),ordersorder.index(y['ordertype']))
else:
orderby_cmp = lambda x,y: cmp(x[orderby],y[orderby])
if desc:
orderby_cmp_wrapper = orderby_cmp
orderby_cmp = lambda x,y: orderby_cmp_wrapper(y,x)
order_keys_display = (('ordertype', ordertype_display), ('counterparty', do_nothing),
('oid', order_str), ('cjfee', cjfee_display), ('txfee', satoshi_to_unit),
('minsize', satoshi_to_unit), ('maxsize', satoshi_to_unit))
for o in sorted(rows,cmp=orderby_cmp):
result += ' <tr>\n'
for key, displayer in order_keys_display:
result += ' <td>' + displayer(o[key], o) + '</td>\n'
result += ' </tr>\n'
return len(rows), result
def create_orderbook_obj(self):
rows = self.taker.db.execute('SELECT * FROM orderbook;').fetchall()
if not rows:
return []
result = []
for row in rows:
o = dict(row)
if 'cjfee' in o:
o['cjfee'] = int(o['cjfee']) if o['ordertype']=='absorder' else float(o['cjfee'])
result.append(o)
return result
def get_counterparty_count(self):
counterparties = self.taker.db.execute('SELECT DISTINCT counterparty FROM orderbook;').fetchall()
return str(len(counterparties))
def do_GET(self):
#SimpleHTTPServer.SimpleHTTPRequestHandler.do_GET(self)
#print 'httpd received ' + self.path + ' request'
self.path, query = self.path.split('?',1) if '?' in self.path else (self.path,'')
args = urllib2.urlparse.parse_qs(query)
pages = ['/', '/ordersize', '/depth', '/orderbook.json']
if self.path not in pages:
return
fd = open('orderbook.html', 'r')
orderbook_fmt = fd.read()
fd.close()
alert_msg = ''
if common.joinmarket_alert:
alert_msg = '<br />JoinMarket Alert Message:<br />' + common.joinmarket_alert
if self.path == '/':
ordercount, ordertable = self.create_orderbook_table(args.get('orderby'),'desc' in args)
replacements = {
'PAGETITLE': 'JoinMarket Browser Interface',
'MAINHEADING': 'JoinMarket Orderbook',
'SECONDHEADING': (str(ordercount) + ' orders found by '
+ self.get_counterparty_count() + ' counterparties' + alert_msg),
'MAINBODY': refresh_orderbook_form + shutdownform + tableheading + ordertable + '</table>\n'
}
elif self.path == '/ordersize':
replacements = {
'PAGETITLE': 'JoinMarket Browser Interface',
'MAINHEADING': 'Order Sizes',
'SECONDHEADING': 'Order Size Histogram' + alert_msg,
'MAINBODY': create_size_histogram(self.taker.db, args)
}
elif self.path.startswith('/depth'):
#if self.path[6] == '?':
# quantity =
cj_amounts = [10**cja for cja in range(4, 10, 1)]
mainbody = [create_depth_chart(self.taker.db, cja) for cja in cj_amounts]
replacements = {
'PAGETITLE': 'JoinMarket Browser Interface',
'MAINHEADING': 'Depth Chart',
'SECONDHEADING': 'Orderbook Depth' + alert_msg,
'MAINBODY': '<br />'.join(mainbody)
}
elif self.path == '/orderbook.json':
replacements = {}
orderbook_fmt = json.dumps(self.create_orderbook_obj())
orderbook_page = orderbook_fmt
for key, rep in replacements.iteritems():
orderbook_page = orderbook_page.replace(key, rep)
self.send_response(200)
if self.path.endswith('.json'):
self.send_header('Content-Type', 'application/json')
else:
self.send_header('Content-Type', 'text/html')
self.send_header('Content-Length', len(orderbook_page))
self.end_headers()
self.wfile.write(orderbook_page)
def do_POST(self):
pages = ['/shutdown', '/refreshorderbook']
if self.path not in pages:
return
if self.path == '/shutdown':
self.taker.msgchan.shutdown()
self.send_response(200)
self.send_header('Content-Type', 'text/html')
self.send_header('Content-Length', len(shutdownpage))
self.end_headers()
self.wfile.write(shutdownpage)
self.base_server.__shutdown_request = True
elif self.path == '/refreshorderbook':
self.taker.msgchan.request_orderbook()
time.sleep(5)
self.path = '/'
self.do_GET()
class HTTPDThread(threading.Thread):
def __init__(self, taker, hostport):
threading.Thread.__init__(self)
self.daemon = True
self.taker = taker
self.hostport = hostport
def run(self):
#hostport = ('localhost', 62601)
httpd = BaseHTTPServer.HTTPServer(self.hostport, OrderbookPageRequestHeader)
httpd.taker = self.taker
print('\nstarted http server, visit http://{0}:{1}/\n'.format(*self.hostport))
httpd.serve_forever()
class GUITaker(taker.OrderbookWatch):
def __init__(self, msgchan, hostport):
self.hostport = hostport
super(GUITaker, self).__init__(msgchan)
def on_welcome(self):
taker.OrderbookWatch.on_welcome(self)
HTTPDThread(self, self.hostport).start()
def main():
import bitcoin as btc
import common
import binascii, os
from optparse import OptionParser
common.nickname =random_nick() #watcher' +binascii.hexlify(os.urandom(4))
common.load_program_config()
parser = OptionParser(usage='usage: %prog [options]',
description='Runs a webservice which shows the orderbook.')
parser.add_option('-H', '--host', action='store', type='string', dest='host',
default='localhost', help='hostname or IP to bind to, default=localhost')
parser.add_option('-p', '--port', action='store', type='int', dest='port',
help='port to listen on, default=62601', default=62601)
(options, args) = parser.parse_args()
hostport = (options.host, options.port)
irc = IRCMessageChannel(common.nickname)
taker = GUITaker(irc, hostport)
print('starting irc')
irc.run()
if __name__ == "__main__":
main()
print('done')