p2pool/web.py

   1 from __future__ import division
   2
   3 import errno
   4 import json
   5 import os
   6 import sys
   7 import time
   8 import traceback
   9
  10 from twisted.internet import defer, task
  11 from twisted.python import log
  12 from twisted.web import resource, static
  13
  14 import p2pool
  15 from bitcoin import data as bitcoin_data
  16 from . import data as p2pool_data
  17 from util import deferred_resource, graph, math, memory, pack, variable
  18
  19 def _atomic_read(filename):
  20     try:
  21         with open(filename, 'rb') as f:
  22             return f.read()
  23     except IOError, e:
  24         if e.errno != errno.ENOENT:
  25             raise
  26     try:
  27         with open(filename + '.new', 'rb') as f:
  28             return f.read()
  29     except IOError, e:
  30         if e.errno != errno.ENOENT:
  31             raise
  32     return None
  33
  34 def _atomic_write(filename, data):
  35     with open(filename + '.new', 'wb') as f:
  36         f.write(data)
  37         f.flush()
  38         try:
  39             os.fsync(f.fileno())
  40         except:
  41             pass
  42     try:
  43         os.rename(filename + '.new', filename)
  44     except: # XXX windows can't overwrite
  45         os.remove(filename)
  46         os.rename(filename + '.new', filename)
  47
  48 def get_web_root(wb, datadir_path, bitcoind_warning_var, stop_event=variable.Event()):
  49     node = wb.node
  50     start_time = time.time()
  51
  52     web_root = resource.Resource()
  53
  54     def get_users():
  55         height, last = node.tracker.get_height_and_last(node.best_share_var.value)
  56         weights, total_weight, donation_weight = node.tracker.get_cumulative_weights(node.best_share_var.value, min(height, 720), 65535*2**256)
  57         res = {}
  58         for script in sorted(weights, key=lambda s: weights[s]):
  59             res[bitcoin_data.script2_to_address(script, node.net.PARENT)] = weights[script]/total_weight
  60         return res
  61
  62     def get_current_scaled_txouts(scale, trunc=0):
  63         txouts = node.get_current_txouts()
  64         total = sum(txouts.itervalues())
  65         results = dict((script, value*scale//total) for script, value in txouts.iteritems())
  66         if trunc > 0:
  67             total_random = 0
  68             random_set = set()
  69             for s in sorted(results, key=results.__getitem__):
  70                 if results[s] >= trunc:
  71                     break
  72                 total_random += results[s]
  73                 random_set.add(s)
  74             if total_random:
  75                 winner = math.weighted_choice((script, results[script]) for script in random_set)
  76                 for script in random_set:
  77                     del results[script]
  78                 results[winner] = total_random
  79         if sum(results.itervalues()) < int(scale):
  80             results[math.weighted_choice(results.iteritems())] += int(scale) - sum(results.itervalues())
  81         return results
  82
  83     def get_patron_sendmany(total=None, trunc='0.01'):
  84         if total is None:
  85             return 'need total argument. go to patron_sendmany/<TOTAL>'
  86         total = int(float(total)*1e8)
  87         trunc = int(float(trunc)*1e8)
  88         return json.dumps(dict(
  89             (bitcoin_data.script2_to_address(script, node.net.PARENT), value/1e8)
  90             for script, value in get_current_scaled_txouts(total, trunc).iteritems()
  91             if bitcoin_data.script2_to_address(script, node.net.PARENT) is not None
  92         ))
  93
  94     def get_local_rates():
  95         miner_hash_rates = {}
  96         miner_dead_hash_rates = {}
  97         datums, dt = wb.local_rate_monitor.get_datums_in_last()
  98         for datum in datums:
  99             miner_hash_rates[datum['user']] = miner_hash_rates.get(datum['user'], 0) + datum['work']/dt
 100             if datum['dead']:
 101                 miner_dead_hash_rates[datum['user']] = miner_dead_hash_rates.get(datum['user'], 0) + datum['work']/dt
 102         return miner_hash_rates, miner_dead_hash_rates
 103
 104     def get_global_stats():
 105         # averaged over last hour
 106         if node.tracker.get_height(node.best_share_var.value) < 10:
 107             return None
 108         lookbehind = min(node.tracker.get_height(node.best_share_var.value), 3600//node.net.SHARE_PERIOD)
 109
 110         nonstale_hash_rate = p2pool_data.get_pool_attempts_per_second(node.tracker, node.best_share_var.value, lookbehind)
 111         stale_prop = p2pool_data.get_average_stale_prop(node.tracker, node.best_share_var.value, lookbehind)
 112         return dict(
 113             pool_nonstale_hash_rate=nonstale_hash_rate,
 114             pool_hash_rate=nonstale_hash_rate/(1 - stale_prop),
 115             pool_stale_prop=stale_prop,
 116             min_difficulty=bitcoin_data.target_to_difficulty(node.tracker.items[node.best_share_var.value].max_target),
 117         )
 118
 119     def get_local_stats():
 120         if node.tracker.get_height(node.best_share_var.value) < 10:
 121             return None
 122         lookbehind = min(node.tracker.get_height(node.best_share_var.value), 3600//node.net.SHARE_PERIOD)
 123
 124         global_stale_prop = p2pool_data.get_average_stale_prop(node.tracker, node.best_share_var.value, lookbehind)
 125
 126         my_unstale_count = sum(1 for share in node.tracker.get_chain(node.best_share_var.value, lookbehind) if share.hash in wb.my_share_hashes)
 127         my_orphan_count = sum(1 for share in node.tracker.get_chain(node.best_share_var.value, lookbehind) if share.hash in wb.my_share_hashes and share.share_data['stale_info'] == 'orphan')
 128         my_doa_count = sum(1 for share in node.tracker.get_chain(node.best_share_var.value, lookbehind) if share.hash in wb.my_share_hashes and share.share_data['stale_info'] == 'doa')
 129         my_share_count = my_unstale_count + my_orphan_count + my_doa_count
 130         my_stale_count = my_orphan_count + my_doa_count
 131
 132         my_stale_prop = my_stale_count/my_share_count if my_share_count != 0 else None
 133
 134         my_work = sum(bitcoin_data.target_to_average_attempts(share.target)
 135             for share in node.tracker.get_chain(node.best_share_var.value, lookbehind - 1)
 136             if share.hash in wb.my_share_hashes)
 137         actual_time = (node.tracker.items[node.best_share_var.value].timestamp -
 138             node.tracker.items[node.tracker.get_nth_parent_hash(node.best_share_var.value, lookbehind - 1)].timestamp)
 139         share_att_s = my_work / actual_time
 140
 141         miner_hash_rates, miner_dead_hash_rates = get_local_rates()
 142         (stale_orphan_shares, stale_doa_shares), shares, _ = wb.get_stale_counts()
 143
 144         return dict(
 145             my_hash_rates_in_last_hour=dict(
 146                 note="DEPRECATED",
 147                 nonstale=share_att_s,
 148                 rewarded=share_att_s/(1 - global_stale_prop),
 149                 actual=share_att_s/(1 - my_stale_prop) if my_stale_prop is not None else 0, # 0 because we don't have any shares anyway
 150             ),
 151             my_share_counts_in_last_hour=dict(
 152                 shares=my_share_count,
 153                 unstale_shares=my_unstale_count,
 154                 stale_shares=my_stale_count,
 155                 orphan_stale_shares=my_orphan_count,
 156                 doa_stale_shares=my_doa_count,
 157             ),
 158             my_stale_proportions_in_last_hour=dict(
 159                 stale=my_stale_prop,
 160                 orphan_stale=my_orphan_count/my_share_count if my_share_count != 0 else None,
 161                 dead_stale=my_doa_count/my_share_count if my_share_count != 0 else None,
 162             ),
 163             miner_hash_rates=miner_hash_rates,
 164             miner_dead_hash_rates=miner_dead_hash_rates,
 165             efficiency_if_miner_perfect=(1 - stale_orphan_shares/shares)/(1 - global_stale_prop) if shares else None, # ignores dead shares because those are miner's fault and indicated by pseudoshare rejection
 166             efficiency=(1 - (stale_orphan_shares+stale_doa_shares)/shares)/(1 - global_stale_prop) if shares else None,
 167             peers=dict(
 168                 incoming=sum(1 for peer in node.p2p_node.peers.itervalues() if peer.incoming),
 169                 outgoing=sum(1 for peer in node.p2p_node.peers.itervalues() if not peer.incoming),
 170             ),
 171             shares=dict(
 172                 total=shares,
 173                 orphan=stale_orphan_shares,
 174                 dead=stale_doa_shares,
 175             ),
 176             uptime=time.time() - start_time,
 177             attempts_to_share=bitcoin_data.target_to_average_attempts(node.tracker.items[node.best_share_var.value].max_target),
 178             attempts_to_block=bitcoin_data.target_to_average_attempts(node.bitcoind_work.value['bits'].target),
 179             block_value=node.bitcoind_work.value['subsidy']*1e-8,
 180             warnings=p2pool_data.get_warnings(node.tracker, node.best_share_var.value, node.net, bitcoind_warning_var.value, node.bitcoind_work.value),
 181             donation_proportion=wb.donation_percentage/100,
 182         )
 183
 184     class WebInterface(deferred_resource.DeferredResource):
 185         def __init__(self, func, mime_type='application/json', args=()):
 186             deferred_resource.DeferredResource.__init__(self)
 187             self.func, self.mime_type, self.args = func, mime_type, args
 188
 189         def getChild(self, child, request):
 190             return WebInterface(self.func, self.mime_type, self.args + (child,))
 191
 192         @defer.inlineCallbacks
 193         def render_GET(self, request):
 194             request.setHeader('Content-Type', self.mime_type)
 195             request.setHeader('Access-Control-Allow-Origin', '*')
 196             res = yield self.func(*self.args)
 197             defer.returnValue(json.dumps(res) if self.mime_type == 'application/json' else res)
 198
 199     def decent_height():
 200         return min(node.tracker.get_height(node.best_share_var.value), 720)
 201     web_root.putChild('rate', WebInterface(lambda: p2pool_data.get_pool_attempts_per_second(node.tracker, node.best_share_var.value, decent_height())/(1-p2pool_data.get_average_stale_prop(node.tracker, node.best_share_var.value, decent_height()))))
 202     web_root.putChild('difficulty', WebInterface(lambda: bitcoin_data.target_to_difficulty(node.tracker.items[node.best_share_var.value].max_target)))
 203     web_root.putChild('users', WebInterface(get_users))
 204     web_root.putChild('user_stales', WebInterface(lambda: dict((bitcoin_data.pubkey_hash_to_address(ph, node.net.PARENT), prop) for ph, prop in
 205         p2pool_data.get_user_stale_props(node.tracker, node.best_share_var.value, node.tracker.get_height(node.best_share_var.value)).iteritems())))
 206     web_root.putChild('fee', WebInterface(lambda: wb.worker_fee))
 207     web_root.putChild('current_payouts', WebInterface(lambda: dict((bitcoin_data.script2_to_address(script, node.net.PARENT), value/1e8) for script, value in node.get_current_txouts().iteritems())))
 208     web_root.putChild('patron_sendmany', WebInterface(get_patron_sendmany, 'text/plain'))
 209     web_root.putChild('global_stats', WebInterface(get_global_stats))
 210     web_root.putChild('local_stats', WebInterface(get_local_stats))
 211     web_root.putChild('peer_addresses', WebInterface(lambda: ['%s:%i' % (peer.transport.getPeer().host, peer.transport.getPeer().port) for peer in node.p2p_node.peers.itervalues()]))
 212     web_root.putChild('peer_txpool_sizes', WebInterface(lambda: dict(('%s:%i' % (peer.transport.getPeer().host, peer.transport.getPeer().port), peer.remembered_txs_size) for peer in node.p2p_node.peers.itervalues())))
 213     web_root.putChild('pings', WebInterface(defer.inlineCallbacks(lambda: defer.returnValue(
 214         dict([(a, (yield b)) for a, b in
 215             [(
 216                 '%s:%i' % (peer.transport.getPeer().host, peer.transport.getPeer().port),
 217                 defer.inlineCallbacks(lambda peer=peer: defer.returnValue(
 218                     min([(yield peer.do_ping().addCallback(lambda x: x/0.001).addErrback(lambda fail: None)) for i in xrange(3)])
 219                 ))()
 220             ) for peer in list(node.p2p_node.peers.itervalues())]
 221         ])
 222     ))))
 223     web_root.putChild('peer_versions', WebInterface(lambda: dict(('%s:%i' % peer.addr, peer.other_sub_version) for peer in node.p2p_node.peers.itervalues())))
 224     web_root.putChild('payout_addr', WebInterface(lambda: bitcoin_data.pubkey_hash_to_address(wb.my_pubkey_hash, node.net.PARENT)))
 225     web_root.putChild('recent_blocks', WebInterface(lambda: [dict(
 226         ts=s.timestamp,
 227         hash='%064x' % s.header_hash,
 228         number=pack.IntType(24).unpack(s.share_data['coinbase'][1:4]) if len(s.share_data['coinbase']) >= 4 else None,
 229         share='%064x' % s.hash,
 230     ) for s in node.tracker.get_chain(node.best_share_var.value, min(node.tracker.get_height(node.best_share_var.value), 24*60*60//node.net.SHARE_PERIOD)) if s.pow_hash <= s.header['bits'].target]))
 231     web_root.putChild('uptime', WebInterface(lambda: time.time() - start_time))
 232     web_root.putChild('stale_rates', WebInterface(lambda: p2pool_data.get_stale_counts(node.tracker, node.best_share_var.value, decent_height(), rates=True)))
 233
 234     new_root = resource.Resource()
 235     web_root.putChild('web', new_root)
 236
 237     stat_log = []
 238     if os.path.exists(os.path.join(datadir_path, 'stats')):
 239         try:
 240             with open(os.path.join(datadir_path, 'stats'), 'rb') as f:
 241                 stat_log = json.loads(f.read())
 242         except:
 243             log.err(None, 'Error loading stats:')
 244     def update_stat_log():
 245         while stat_log and stat_log[0]['time'] < time.time() - 24*60*60:
 246             stat_log.pop(0)
 247
 248         lookbehind = 3600//node.net.SHARE_PERIOD
 249         if node.tracker.get_height(node.best_share_var.value) < lookbehind:
 250             return None
 251
 252         global_stale_prop = p2pool_data.get_average_stale_prop(node.tracker, node.best_share_var.value, lookbehind)
 253         (stale_orphan_shares, stale_doa_shares), shares, _ = wb.get_stale_counts()
 254         miner_hash_rates, miner_dead_hash_rates = get_local_rates()
 255
 256         stat_log.append(dict(
 257             time=time.time(),
 258             pool_hash_rate=p2pool_data.get_pool_attempts_per_second(node.tracker, node.best_share_var.value, lookbehind)/(1-global_stale_prop),
 259             pool_stale_prop=global_stale_prop,
 260             local_hash_rates=miner_hash_rates,
 261             local_dead_hash_rates=miner_dead_hash_rates,
 262             shares=shares,
 263             stale_shares=stale_orphan_shares + stale_doa_shares,
 264             stale_shares_breakdown=dict(orphan=stale_orphan_shares, doa=stale_doa_shares),
 265             current_payout=node.get_current_txouts().get(bitcoin_data.pubkey_hash_to_script2(wb.my_pubkey_hash), 0)*1e-8,
 266             peers=dict(
 267                 incoming=sum(1 for peer in node.p2p_node.peers.itervalues() if peer.incoming),
 268                 outgoing=sum(1 for peer in node.p2p_node.peers.itervalues() if not peer.incoming),
 269             ),
 270             attempts_to_share=bitcoin_data.target_to_average_attempts(node.tracker.items[node.best_share_var.value].max_target),
 271             attempts_to_block=bitcoin_data.target_to_average_attempts(node.bitcoind_work.value['bits'].target),
 272             block_value=node.bitcoind_work.value['subsidy']*1e-8,
 273         ))
 274
 275         with open(os.path.join(datadir_path, 'stats'), 'wb') as f:
 276             f.write(json.dumps(stat_log))
 277     x = task.LoopingCall(update_stat_log)
 278     x.start(5*60)
 279     stop_event.watch(x.stop)
 280     new_root.putChild('log', WebInterface(lambda: stat_log))
 281
 282     def get_share(share_hash_str):
 283         if int(share_hash_str, 16) not in node.tracker.items:
 284             return None
 285         share = node.tracker.items[int(share_hash_str, 16)]
 286
 287         return dict(
 288             parent='%064x' % share.previous_hash,
 289             children=['%064x' % x for x in sorted(node.tracker.reverse.get(share.hash, set()), key=lambda sh: -len(node.tracker.reverse.get(sh, set())))], # sorted from most children to least children
 290             type_name=type(share).__name__,
 291             local=dict(
 292                 verified=share.hash in node.tracker.verified.items,
 293                 time_first_seen=start_time if share.time_seen == 0 else share.time_seen,
 294                 peer_first_received_from=share.peer_addr,
 295             ),
 296             share_data=dict(
 297                 timestamp=share.timestamp,
 298                 target=share.target,
 299                 max_target=share.max_target,
 300                 payout_address=bitcoin_data.script2_to_address(share.new_script, node.net.PARENT),
 301                 donation=share.share_data['donation']/65535,
 302                 stale_info=share.share_data['stale_info'],
 303                 nonce=share.share_data['nonce'],
 304                 desired_version=share.share_data['desired_version'],
 305             ),
 306             block=dict(
 307                 hash='%064x' % share.header_hash,
 308                 header=dict(
 309                     version=share.header['version'],
 310                     previous_block='%064x' % share.header['previous_block'],
 311                     merkle_root='%064x' % share.header['merkle_root'],
 312                     timestamp=share.header['timestamp'],
 313                     target=share.header['bits'].target,
 314                     nonce=share.header['nonce'],
 315                 ),
 316                 gentx=dict(
 317                     hash='%064x' % share.gentx_hash,
 318                     coinbase=share.share_data['coinbase'].ljust(2, '\x00').encode('hex'),
 319                     value=share.share_data['subsidy']*1e-8,
 320                 ),
 321                 txn_count_range=[len(share.other_txs), len(share.other_txs)] if share.other_txs is not None else 1 if len(share.merkle_link['branch']) == 0 else [2**len(share.merkle_link['branch'])//2+1, 2**len(share.merkle_link['branch'])],
 322             ),
 323         )
 324     new_root.putChild('share', WebInterface(lambda share_hash_str: get_share(share_hash_str)))
 325     new_root.putChild('heads', WebInterface(lambda: ['%064x' % x for x in node.tracker.heads]))
 326     new_root.putChild('verified_heads', WebInterface(lambda: ['%064x' % x for x in node.tracker.verified.heads]))
 327     new_root.putChild('tails', WebInterface(lambda: ['%064x' % x for t in node.tracker.tails for x in node.tracker.reverse.get(t, set())]))
 328     new_root.putChild('verified_tails', WebInterface(lambda: ['%064x' % x for t in node.tracker.verified.tails for x in node.tracker.verified.reverse.get(t, set())]))
 329     new_root.putChild('best_share_hash', WebInterface(lambda: '%064x' % node.best_share_var.value))
 330     def get_share_data(share_hash_str):
 331         if int(share_hash_str, 16) not in node.tracker.items:
 332             return ''
 333         share = node.tracker.items[int(share_hash_str, 16)]
 334         return p2pool_data.share_type.pack(share.as_share1a())
 335     new_root.putChild('share_data', WebInterface(lambda share_hash_str: get_share_data(share_hash_str), 'application/octet-stream'))
 336     new_root.putChild('currency_info', WebInterface(lambda: dict(
 337         symbol=node.net.PARENT.SYMBOL,
 338         block_explorer_url_prefix=node.net.PARENT.BLOCK_EXPLORER_URL_PREFIX,
 339         address_explorer_url_prefix=node.net.PARENT.ADDRESS_EXPLORER_URL_PREFIX,
 340     )))
 341     new_root.putChild('version', WebInterface(lambda: p2pool.__version__))
 342
 343     hd_path = os.path.join(datadir_path, 'graph_db')
 344     hd_data = _atomic_read(hd_path)
 345     hd_obj = {}
 346     if hd_data is not None:
 347         try:
 348             hd_obj = json.loads(hd_data)
 349         except Exception:
 350             log.err(None, 'Error reading graph database:')
 351     dataview_descriptions = {
 352         'last_hour': graph.DataViewDescription(150, 60*60),
 353         'last_day': graph.DataViewDescription(300, 60*60*24),
 354         'last_week': graph.DataViewDescription(300, 60*60*24*7),
 355         'last_month': graph.DataViewDescription(300, 60*60*24*30),
 356         'last_year': graph.DataViewDescription(300, 60*60*24*365.25),
 357     }
 358     def build_desired_rates(ds_name, ds_desc, dv_name, dv_desc, obj):
 359         if not obj:
 360             last_bin_end = 0
 361             bins = dv_desc.bin_count*[{}]
 362         else:
 363             pool_rates = obj['pool_rates'][dv_name]
 364             desired_versions = obj['desired_versions'][dv_name]
 365             def get_total_pool_rate(t):
 366                 n = int((pool_rates['last_bin_end'] - t)/dv_desc.bin_width)
 367                 if n < 0 or n >= dv_desc.bin_count:
 368                     return None
 369                 total = sum(x[0] for x in pool_rates['bins'][n].values())
 370                 count = math.mean(x[1] for x in pool_rates['bins'][n].values())
 371                 if count == 0:
 372                     return None
 373                 return total/count
 374             last_bin_end = desired_versions['last_bin_end']
 375             bins = [dict((name, (total*get_total_pool_rate(last_bin_end - (i+1/2)*dv_desc.bin_width), count)) for name, (total, count) in desired_versions['bins'][i].iteritems()) for i in xrange(dv_desc.bin_count)]
 376         return graph.DataView(dv_desc, ds_desc, last_bin_end, bins)
 377     hd = graph.HistoryDatabase.from_obj({
 378         'local_hash_rate': graph.DataStreamDescription(dataview_descriptions, is_gauge=False),
 379         'local_dead_hash_rate': graph.DataStreamDescription(dataview_descriptions, is_gauge=False),
 380         'local_share_hash_rate': graph.DataStreamDescription(dataview_descriptions, is_gauge=False),
 381         'local_dead_share_hash_rate': graph.DataStreamDescription(dataview_descriptions, is_gauge=False),
 382         'pool_rates': graph.DataStreamDescription(dataview_descriptions, multivalues=True,
 383             multivalue_undefined_means_0=True),
 384         'current_payout': graph.DataStreamDescription(dataview_descriptions),
 385         'current_payouts': graph.DataStreamDescription(dataview_descriptions, multivalues=True),
 386         'incoming_peers': graph.DataStreamDescription(dataview_descriptions),
 387         'outgoing_peers': graph.DataStreamDescription(dataview_descriptions),
 388         'miner_hash_rates': graph.DataStreamDescription(dataview_descriptions, is_gauge=False, multivalues=True),
 389         'miner_dead_hash_rates': graph.DataStreamDescription(dataview_descriptions, is_gauge=False, multivalues=True),
 390         'desired_versions': graph.DataStreamDescription(dataview_descriptions, multivalues=True,
 391             multivalue_undefined_means_0=True),
 392         'desired_version_rates': graph.DataStreamDescription(dataview_descriptions, multivalues=True,
 393             multivalue_undefined_means_0=True, default_func=build_desired_rates),
 394         'traffic_rate': graph.DataStreamDescription(dataview_descriptions, is_gauge=False, multivalues=True),
 395         'getwork_latency': graph.DataStreamDescription(dataview_descriptions),
 396         'memory_usage': graph.DataStreamDescription(dataview_descriptions),
 397     }, hd_obj)
 398     x = task.LoopingCall(lambda: _atomic_write(hd_path, json.dumps(hd.to_obj())))
 399     x.start(100)
 400     stop_event.watch(x.stop)
 401     @wb.pseudoshare_received.watch
 402     def _(work, dead, user):
 403         t = time.time()
 404         hd.datastreams['local_hash_rate'].add_datum(t, work)
 405         if dead:
 406             hd.datastreams['local_dead_hash_rate'].add_datum(t, work)
 407         if user is not None:
 408             hd.datastreams['miner_hash_rates'].add_datum(t, {user: work})
 409             if dead:
 410                 hd.datastreams['miner_dead_hash_rates'].add_datum(t, {user: work})
 411     @wb.share_received.watch
 412     def _(work, dead):
 413         t = time.time()
 414         hd.datastreams['local_share_hash_rate'].add_datum(t, work)
 415         if dead:
 416             hd.datastreams['local_dead_share_hash_rate'].add_datum(t, work)
 417     @node.p2p_node.traffic_happened.watch
 418     def _(name, bytes):
 419         hd.datastreams['traffic_rate'].add_datum(time.time(), {name: bytes})
 420     def add_point():
 421         if node.tracker.get_height(node.best_share_var.value) < 10:
 422             return None
 423         lookbehind = min(node.net.CHAIN_LENGTH, 60*60//node.net.SHARE_PERIOD, node.tracker.get_height(node.best_share_var.value))
 424         t = time.time()
 425
 426         pool_rates = p2pool_data.get_stale_counts(node.tracker, node.best_share_var.value, lookbehind, rates=True)
 427         pool_total = sum(pool_rates.itervalues())
 428         hd.datastreams['pool_rates'].add_datum(t, pool_rates)
 429
 430         current_txouts = node.get_current_txouts()
 431         hd.datastreams['current_payout'].add_datum(t, current_txouts.get(bitcoin_data.pubkey_hash_to_script2(wb.my_pubkey_hash), 0)*1e-8)
 432         miner_hash_rates, miner_dead_hash_rates = get_local_rates()
 433         current_txouts_by_address = dict((bitcoin_data.script2_to_address(script, node.net.PARENT), amount) for script, amount in current_txouts.iteritems())
 434         hd.datastreams['current_payouts'].add_datum(t, dict((user, current_txouts_by_address[user]*1e-8) for user in miner_hash_rates if user in current_txouts_by_address))
 435
 436         hd.datastreams['incoming_peers'].add_datum(t, sum(1 for peer in node.p2p_node.peers.itervalues() if peer.incoming))
 437         hd.datastreams['outgoing_peers'].add_datum(t, sum(1 for peer in node.p2p_node.peers.itervalues() if not peer.incoming))
 438
 439         vs = p2pool_data.get_desired_version_counts(node.tracker, node.best_share_var.value, lookbehind)
 440         vs_total = sum(vs.itervalues())
 441         hd.datastreams['desired_versions'].add_datum(t, dict((str(k), v/vs_total) for k, v in vs.iteritems()))
 442         hd.datastreams['desired_version_rates'].add_datum(t, dict((str(k), v/vs_total*pool_total) for k, v in vs.iteritems()))
 443         try:
 444             hd.datastreams['memory_usage'].add_datum(t, memory.resident())
 445         except:
 446             if p2pool.DEBUG:
 447                 traceback.print_exc()
 448     x = task.LoopingCall(add_point)
 449     x.start(5)
 450     stop_event.watch(x.stop)
 451     @node.bitcoind_work.changed.watch
 452     def _(new_work):
 453         hd.datastreams['getwork_latency'].add_datum(time.time(), new_work['latency'])
 454     new_root.putChild('graph_data', WebInterface(lambda source, view: hd.datastreams[source].dataviews[view].get_data(time.time())))
 455
 456     web_root.putChild('static', static.File(os.path.join(os.path.dirname(sys.argv[0]), 'web-static')))
 457
 458     return web_root