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
   9 from twisted.internet import task
  10 from twisted.python import log
  11 from twisted.web import resource, static
  12
  13 from bitcoin import data as bitcoin_data
  14 from . import data as p2pool_data
  15 from util import graph, math
  16
  17 def _atomic_read(filename):
  18     try:
  19         with open(filename, 'rb') as f:
  20             return f.read()
  21     except IOError, e:
  22         if e.errno != errno.ENOENT:
  23             raise
  24     try:
  25         with open(filename + '.new', 'rb') as f:
  26             return f.read()
  27     except IOError, e:
  28         if e.errno != errno.ENOENT:
  29             raise
  30     return None
  31
  32 def _atomic_write(filename, data):
  33     with open(filename + '.new', 'wb') as f:
  34         f.write(data)
  35         f.flush()
  36         try:
  37             os.fsync(f.fileno())
  38         except:
  39             pass
  40     try:
  41         os.rename(filename + '.new', filename)
  42     except os.error: # windows can't overwrite
  43         os.remove(filename)
  44         os.rename(filename + '.new', filename)
  45
  46 def get_web_root(tracker, current_work, current_work2, get_current_txouts, datadir_path, net, get_stale_counts, my_pubkey_hash, local_rate_monitor, worker_fee, p2p_node, my_share_hashes, pseudoshare_received, share_received):
  47     start_time = time.time()
  48
  49     web_root = resource.Resource()
  50
  51     def get_users():
  52         height, last = tracker.get_height_and_last(current_work.value['best_share_hash'])
  53         weights, total_weight, donation_weight = tracker.get_cumulative_weights(current_work.value['best_share_hash'], min(height, 720), 65535*2**256)
  54         res = {}
  55         for script in sorted(weights, key=lambda s: weights[s]):
  56             res[bitcoin_data.script2_to_address(script, net.PARENT)] = weights[script]/total_weight
  57         return res
  58
  59     def get_current_scaled_txouts(scale, trunc=0):
  60         txouts = get_current_txouts()
  61         total = sum(txouts.itervalues())
  62         results = dict((script, value*scale//total) for script, value in txouts.iteritems())
  63         if trunc > 0:
  64             total_random = 0
  65             random_set = set()
  66             for s in sorted(results, key=results.__getitem__):
  67                 if results[s] >= trunc:
  68                     break
  69                 total_random += results[s]
  70                 random_set.add(s)
  71             if total_random:
  72                 winner = math.weighted_choice((script, results[script]) for script in random_set)
  73                 for script in random_set:
  74                     del results[script]
  75                 results[winner] = total_random
  76         if sum(results.itervalues()) < int(scale):
  77             results[math.weighted_choice(results.iteritems())] += int(scale) - sum(results.itervalues())
  78         return results
  79
  80     def get_patron_sendmany(total=None, trunc='0.01'):
  81         if total is None:
  82             return 'need total argument. go to patron_sendmany/<TOTAL>'
  83         total = int(float(total)*1e8)
  84         trunc = int(float(trunc)*1e8)
  85         return dict(
  86             (bitcoin_data.script2_to_address(script, net.PARENT), value/1e8)
  87             for script, value in get_current_scaled_txouts(total, trunc).iteritems()
  88             if bitcoin_data.script2_to_address(script, net.PARENT) is not None
  89         )
  90
  91     def get_local_rates():
  92         miner_hash_rates = {}
  93         miner_dead_hash_rates = {}
  94         datums, dt = local_rate_monitor.get_datums_in_last()
  95         for datum in datums:
  96             miner_hash_rates[datum['user']] = miner_hash_rates.get(datum['user'], 0) + datum['work']/dt
  97             if datum['dead']:
  98                 miner_dead_hash_rates[datum['user']] = miner_dead_hash_rates.get(datum['user'], 0) + datum['work']/dt
  99         return miner_hash_rates, miner_dead_hash_rates
 100
 101     def get_global_stats():
 102         # averaged over last hour
 103         lookbehind = 3600//net.SHARE_PERIOD
 104         if tracker.get_height(current_work.value['best_share_hash']) < lookbehind:
 105             return None
 106
 107         nonstale_hash_rate = p2pool_data.get_pool_attempts_per_second(tracker, current_work.value['best_share_hash'], lookbehind)
 108         stale_prop = p2pool_data.get_average_stale_prop(tracker, current_work.value['best_share_hash'], lookbehind)
 109         return dict(
 110             pool_nonstale_hash_rate=nonstale_hash_rate,
 111             pool_hash_rate=nonstale_hash_rate/(1 - stale_prop),
 112             pool_stale_prop=stale_prop,
 113         )
 114
 115     def get_local_stats():
 116         lookbehind = 3600//net.SHARE_PERIOD
 117         if tracker.get_height(current_work.value['best_share_hash']) < lookbehind:
 118             return None
 119
 120         global_stale_prop = p2pool_data.get_average_stale_prop(tracker, current_work.value['best_share_hash'], lookbehind)
 121
 122         my_unstale_count = sum(1 for share in tracker.get_chain(current_work.value['best_share_hash'], lookbehind) if share.hash in my_share_hashes)
 123         my_orphan_count = sum(1 for share in tracker.get_chain(current_work.value['best_share_hash'], lookbehind) if share.hash in my_share_hashes and share.share_data['stale_info'] == 253)
 124         my_doa_count = sum(1 for share in tracker.get_chain(current_work.value['best_share_hash'], lookbehind) if share.hash in my_share_hashes and share.share_data['stale_info'] == 254)
 125         my_share_count = my_unstale_count + my_orphan_count + my_doa_count
 126         my_stale_count = my_orphan_count + my_doa_count
 127
 128         my_stale_prop = my_stale_count/my_share_count if my_share_count != 0 else None
 129
 130         my_work = sum(bitcoin_data.target_to_average_attempts(share.target)
 131             for share in tracker.get_chain(current_work.value['best_share_hash'], lookbehind - 1)
 132             if share.hash in my_share_hashes)
 133         actual_time = (tracker.shares[current_work.value['best_share_hash']].timestamp -
 134             tracker.shares[tracker.get_nth_parent_hash(current_work.value['best_share_hash'], lookbehind - 1)].timestamp)
 135         share_att_s = my_work / actual_time
 136
 137         miner_hash_rates, miner_dead_hash_rates = get_local_rates()
 138         (stale_orphan_shares, stale_doa_shares), shares, _ = get_stale_counts()
 139
 140         return dict(
 141             my_hash_rates_in_last_hour=dict(
 142                 note="DEPRECATED",
 143                 nonstale=share_att_s,
 144                 rewarded=share_att_s/(1 - global_stale_prop),
 145                 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
 146             ),
 147             my_share_counts_in_last_hour=dict(
 148                 shares=my_share_count,
 149                 unstale_shares=my_unstale_count,
 150                 stale_shares=my_stale_count,
 151                 orphan_stale_shares=my_orphan_count,
 152                 doa_stale_shares=my_doa_count,
 153             ),
 154             my_stale_proportions_in_last_hour=dict(
 155                 stale=my_stale_prop,
 156                 orphan_stale=my_orphan_count/my_share_count if my_share_count != 0 else None,
 157                 dead_stale=my_doa_count/my_share_count if my_share_count != 0 else None,
 158             ),
 159             miner_hash_rates=miner_hash_rates,
 160             miner_dead_hash_rates=miner_dead_hash_rates,
 161             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
 162         )
 163
 164     class WebInterface(resource.Resource):
 165         def __init__(self, func, mime_type='application/json', args=()):
 166             resource.Resource.__init__(self)
 167             self.func, self.mime_type, self.args = func, mime_type, args
 168
 169         def getChild(self, child, request):
 170             return WebInterface(self.func, self.mime_type, self.args + (child,))
 171
 172         def render_GET(self, request):
 173             request.setHeader('Content-Type', self.mime_type)
 174             request.setHeader('Access-Control-Allow-Origin', '*')
 175             res = self.func(*self.args)
 176             return json.dumps(res) if self.mime_type == 'application/json' else res
 177
 178     web_root.putChild('rate', WebInterface(lambda: p2pool_data.get_pool_attempts_per_second(tracker, current_work.value['best_share_hash'], 720)/(1-p2pool_data.get_average_stale_prop(tracker, current_work.value['best_share_hash'], 720))))
 179     web_root.putChild('difficulty', WebInterface(lambda: bitcoin_data.target_to_difficulty(tracker.shares[current_work.value['best_share_hash']].max_target)))
 180     web_root.putChild('users', WebInterface(get_users))
 181     web_root.putChild('fee', WebInterface(lambda: worker_fee))
 182     web_root.putChild('current_payouts', WebInterface(lambda: dict((bitcoin_data.script2_to_address(script, net.PARENT), value/1e8) for script, value in get_current_txouts().iteritems())))
 183     web_root.putChild('patron_sendmany', WebInterface(get_patron_sendmany, 'text/plain'))
 184     web_root.putChild('global_stats', WebInterface(get_global_stats))
 185     web_root.putChild('local_stats', WebInterface(get_local_stats))
 186     web_root.putChild('peer_addresses', WebInterface(lambda: ' '.join(peer.transport.getPeer().host + (':' + str(peer.transport.getPeer().port) if peer.transport.getPeer().port != net.P2P_PORT else '') for peer in p2p_node.peers.itervalues()), 'text/plain'))
 187     web_root.putChild('peer_versions', WebInterface(lambda: ''.join('%s:%i ' % peer.addr + peer.other_sub_version + '\n' for peer in p2p_node.peers.itervalues()), 'text/plain'))
 188     web_root.putChild('payout_addr', WebInterface(lambda: bitcoin_data.pubkey_hash_to_address(my_pubkey_hash, net.PARENT)))
 189     web_root.putChild('recent_blocks', WebInterface(lambda: [dict(ts=s.timestamp, hash='%064x' % s.header_hash) for s in tracker.get_chain(current_work.value['best_share_hash'], 24*60*60//net.SHARE_PERIOD) if s.pow_hash <= s.header['bits'].target]))
 190     web_root.putChild('uptime', WebInterface(lambda: time.time() - start_time))
 191
 192     new_root = resource.Resource()
 193     web_root.putChild('web', new_root)
 194
 195     stat_log = []
 196     if os.path.exists(os.path.join(datadir_path, 'stats')):
 197         try:
 198             with open(os.path.join(datadir_path, 'stats'), 'rb') as f:
 199                 stat_log = json.loads(f.read())
 200         except:
 201             log.err(None, 'Error loading stats:')
 202     def update_stat_log():
 203         while stat_log and stat_log[0]['time'] < time.time() - 24*60*60:
 204             stat_log.pop(0)
 205
 206         lookbehind = 3600//net.SHARE_PERIOD
 207         if tracker.get_height(current_work.value['best_share_hash']) < lookbehind:
 208             return None
 209
 210         global_stale_prop = p2pool_data.get_average_stale_prop(tracker, current_work.value['best_share_hash'], lookbehind)
 211         (stale_orphan_shares, stale_doa_shares), shares, _ = get_stale_counts()
 212         miner_hash_rates, miner_dead_hash_rates = get_local_rates()
 213
 214         stat_log.append(dict(
 215             time=time.time(),
 216             pool_hash_rate=p2pool_data.get_pool_attempts_per_second(tracker, current_work.value['best_share_hash'], lookbehind)/(1-global_stale_prop),
 217             pool_stale_prop=global_stale_prop,
 218             local_hash_rates=miner_hash_rates,
 219             local_dead_hash_rates=miner_dead_hash_rates,
 220             shares=shares,
 221             stale_shares=stale_orphan_shares + stale_doa_shares,
 222             stale_shares_breakdown=dict(orphan=stale_orphan_shares, doa=stale_doa_shares),
 223             current_payout=get_current_txouts().get(bitcoin_data.pubkey_hash_to_script2(my_pubkey_hash), 0)*1e-8,
 224             peers=dict(
 225                 incoming=sum(1 for peer in p2p_node.peers.itervalues() if peer.incoming),
 226                 outgoing=sum(1 for peer in p2p_node.peers.itervalues() if not peer.incoming),
 227             ),
 228             attempts_to_share=bitcoin_data.target_to_average_attempts(tracker.shares[current_work.value['best_share_hash']].max_target),
 229             attempts_to_block=bitcoin_data.target_to_average_attempts(current_work.value['bits'].target),
 230             block_value=current_work2.value['subsidy']*1e-8,
 231         ))
 232
 233         with open(os.path.join(datadir_path, 'stats'), 'wb') as f:
 234             f.write(json.dumps(stat_log))
 235     task.LoopingCall(update_stat_log).start(5*60)
 236     new_root.putChild('log', WebInterface(lambda: stat_log))
 237
 238     def get_share(share_hash_str):
 239         if int(share_hash_str, 16) not in tracker.shares:
 240             return None
 241         share = tracker.shares[int(share_hash_str, 16)]
 242
 243         return dict(
 244             parent='%064x' % share.previous_hash,
 245             children=['%064x' % x for x in sorted(tracker.reverse_shares.get(share.hash, set()), key=lambda sh: -len(tracker.reverse_shares.get(sh, set())))], # sorted from most children to least children
 246             local=dict(
 247                 verified=share.hash in tracker.verified.shares,
 248                 time_first_seen=start_time if share.time_seen == 0 else share.time_seen,
 249                 peer_first_received_from=share.peer.addr if share.peer is not None else None,
 250             ),
 251             share_data=dict(
 252                 timestamp=share.timestamp,
 253                 target=share.target,
 254                 max_target=share.max_target,
 255                 payout_address=bitcoin_data.script2_to_address(share.new_script, net.PARENT),
 256                 donation=share.share_data['donation']/65535,
 257                 stale_info=share.share_data['stale_info'],
 258                 nonce=share.share_data['nonce'],
 259             ),
 260             block=dict(
 261                 hash='%064x' % share.header_hash,
 262                 header=dict(
 263                     version=share.header['version'],
 264                     previous_block='%064x' % share.header['previous_block'],
 265                     merkle_root='%064x' % share.header['merkle_root'],
 266                     timestamp=share.header['timestamp'],
 267                     target=share.header['bits'].target,
 268                     nonce=share.header['nonce'],
 269                 ),
 270                 gentx=dict(
 271                     hash='%064x' % share.gentx_hash,
 272                     coinbase=share.share_data['coinbase'].ljust(2, '\x00').encode('hex'),
 273                     value=share.share_data['subsidy']*1e-8,
 274                 ),
 275                 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'])],
 276             ),
 277         )
 278     new_root.putChild('share', WebInterface(lambda share_hash_str: get_share(share_hash_str)))
 279     new_root.putChild('heads', WebInterface(lambda: ['%064x' % x for x in tracker.heads]))
 280     new_root.putChild('verified_heads', WebInterface(lambda: ['%064x' % x for x in tracker.verified.heads]))
 281     new_root.putChild('tails', WebInterface(lambda: ['%064x' % x for t in tracker.tails for x in tracker.reverse_shares.get(t, set())]))
 282     new_root.putChild('verified_tails', WebInterface(lambda: ['%064x' % x for t in tracker.verified.tails for x in tracker.verified.reverse_shares.get(t, set())]))
 283     new_root.putChild('best_share_hash', WebInterface(lambda: '%064x' % current_work.value['best_share_hash']))
 284
 285     class Explorer(resource.Resource):
 286         def render_GET(self, request):
 287             return 'moved to /static/'
 288         def getChild(self, child, request):
 289             return self
 290     new_root.putChild('explorer', Explorer())
 291
 292     hd_path = os.path.join(datadir_path, 'graph_db')
 293     hd_data = _atomic_read(hd_path)
 294     hd_obj = {}
 295     if hd_data is not None:
 296         try:
 297             hd_obj = json.loads(hd_data)
 298         except Exception:
 299             log.err(None, 'Error reading graph database:')
 300     dataview_descriptions = {
 301         'last_hour': graph.DataViewDescription(150, 60*60),
 302         'last_day': graph.DataViewDescription(300, 60*60*24),
 303         'last_week': graph.DataViewDescription(300, 60*60*24*7),
 304         'last_month': graph.DataViewDescription(300, 60*60*24*30),
 305         'last_year': graph.DataViewDescription(300, 60*60*24*365.25),
 306     }
 307     hd = graph.HistoryDatabase.from_obj({
 308         'local_hash_rate': graph.DataStreamDescription(False, dataview_descriptions),
 309         'local_dead_hash_rate': graph.DataStreamDescription(False, dataview_descriptions),
 310         'local_share_hash_rate': graph.DataStreamDescription(False, dataview_descriptions),
 311         'local_dead_share_hash_rate': graph.DataStreamDescription(False, dataview_descriptions),
 312         'pool_rate': graph.DataStreamDescription(True, dataview_descriptions),
 313         'pool_stale_rate': graph.DataStreamDescription(True, dataview_descriptions),
 314         'current_payout': graph.DataStreamDescription(True, dataview_descriptions),
 315         'current_payouts': graph.DataStreamDescription(True, dataview_descriptions, multivalues=True),
 316         'incoming_peers': graph.DataStreamDescription(True, dataview_descriptions),
 317         'outgoing_peers': graph.DataStreamDescription(True, dataview_descriptions),
 318         'miner_hash_rates': graph.DataStreamDescription(False, dataview_descriptions, multivalues=True),
 319         'miner_dead_hash_rates': graph.DataStreamDescription(False, dataview_descriptions, multivalues=True),
 320     }, hd_obj)
 321     task.LoopingCall(lambda: _atomic_write(hd_path, json.dumps(hd.to_obj()))).start(100)
 322     @pseudoshare_received.watch
 323     def _(work, dead, user):
 324         t = time.time()
 325         hd.datastreams['local_hash_rate'].add_datum(t, work)
 326         if dead:
 327             hd.datastreams['local_dead_hash_rate'].add_datum(t, work)
 328         if user is not None:
 329             hd.datastreams['miner_hash_rates'].add_datum(t, {user: work})
 330             if dead:
 331                 hd.datastreams['miner_dead_hash_rates'].add_datum(t, {user: work})
 332     @share_received.watch
 333     def _(work, dead):
 334         t = time.time()
 335         hd.datastreams['local_share_hash_rate'].add_datum(t, work)
 336         if dead:
 337             hd.datastreams['local_dead_share_hash_rate'].add_datum(t, work)
 338     def add_point():
 339         if tracker.get_height(current_work.value['best_share_hash']) < 720:
 340             return
 341         nonstalerate = p2pool_data.get_pool_attempts_per_second(tracker, current_work.value['best_share_hash'], 720)
 342         poolrate = nonstalerate / (1 - p2pool_data.get_average_stale_prop(tracker, current_work.value['best_share_hash'], 720))
 343         t = time.time()
 344         hd.datastreams['pool_rate'].add_datum(t, poolrate)
 345         hd.datastreams['pool_stale_rate'].add_datum(t, poolrate - nonstalerate)
 346         current_txouts = get_current_txouts()
 347         hd.datastreams['current_payout'].add_datum(t, current_txouts.get(bitcoin_data.pubkey_hash_to_script2(my_pubkey_hash), 0)*1e-8)
 348         miner_hash_rates, miner_dead_hash_rates = get_local_rates()
 349         current_txouts_by_address = dict((bitcoin_data.script2_to_address(script, net.PARENT), amount) for script, amount in current_txouts.iteritems())
 350         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))
 351         hd.datastreams['incoming_peers'].add_datum(t, sum(1 for peer in p2p_node.peers.itervalues() if peer.incoming))
 352         hd.datastreams['outgoing_peers'].add_datum(t, sum(1 for peer in p2p_node.peers.itervalues() if not peer.incoming))
 353     task.LoopingCall(add_point).start(5)
 354     new_root.putChild('graph_data', WebInterface(lambda source, view: hd.datastreams[source].dataviews[view].get_data(time.time())))
 355
 356     web_root.putChild('static', static.File(os.path.join(os.path.dirname(sys.argv[0]), 'web-static')))
 357
 358     return web_root