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, recent_blocks, 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_human(script, net.PARENT)] = weights[script]/total_weight
  57         return json.dumps(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_global_stats():
  92         # averaged over last hour
  93         lookbehind = 3600//net.SHARE_PERIOD
  94         if tracker.get_height(current_work.value['best_share_hash']) < lookbehind:
  95             return None
  96
  97         nonstale_hash_rate = p2pool_data.get_pool_attempts_per_second(tracker, current_work.value['best_share_hash'], lookbehind)
  98         stale_prop = p2pool_data.get_average_stale_prop(tracker, current_work.value['best_share_hash'], lookbehind)
  99         return dict(
 100             pool_nonstale_hash_rate=nonstale_hash_rate,
 101             pool_hash_rate=nonstale_hash_rate/(1 - stale_prop),
 102             pool_stale_prop=stale_prop,
 103         )
 104
 105     def get_local_stats():
 106         lookbehind = 3600//net.SHARE_PERIOD
 107         if tracker.get_height(current_work.value['best_share_hash']) < lookbehind:
 108             return None
 109
 110         global_stale_prop = p2pool_data.get_average_stale_prop(tracker, current_work.value['best_share_hash'], lookbehind)
 111
 112         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)
 113         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)
 114         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)
 115         my_share_count = my_unstale_count + my_orphan_count + my_doa_count
 116         my_stale_count = my_orphan_count + my_doa_count
 117
 118         my_stale_prop = my_stale_count/my_share_count if my_share_count != 0 else None
 119
 120         my_work = sum(bitcoin_data.target_to_average_attempts(share.target)
 121             for share in tracker.get_chain(current_work.value['best_share_hash'], lookbehind - 1)
 122             if share.hash in my_share_hashes)
 123         actual_time = (tracker.shares[current_work.value['best_share_hash']].timestamp -
 124             tracker.shares[tracker.get_nth_parent_hash(current_work.value['best_share_hash'], lookbehind - 1)].timestamp)
 125         share_att_s = my_work / actual_time
 126
 127         miner_hash_rates = {}
 128         miner_dead_hash_rates = {}
 129         datums, dt = local_rate_monitor.get_datums_in_last()
 130         for datum in datums:
 131             miner_hash_rates[datum['user']] = miner_hash_rates.get(datum['user'], 0) + datum['work']/dt
 132             if datum['dead']:
 133                 miner_dead_hash_rates[datum['user']] = miner_dead_hash_rates.get(datum['user'], 0) + datum['work']/dt
 134
 135         (stale_orphan_shares, stale_doa_shares), shares, _ = get_stale_counts()
 136
 137         return dict(
 138             my_hash_rates_in_last_hour=dict(
 139                 note="DEPRECATED",
 140                 nonstale=share_att_s,
 141                 rewarded=share_att_s/(1 - global_stale_prop),
 142                 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
 143             ),
 144             my_share_counts_in_last_hour=dict(
 145                 shares=my_share_count,
 146                 unstale_shares=my_unstale_count,
 147                 stale_shares=my_stale_count,
 148                 orphan_stale_shares=my_orphan_count,
 149                 doa_stale_shares=my_doa_count,
 150             ),
 151             my_stale_proportions_in_last_hour=dict(
 152                 stale=my_stale_prop,
 153                 orphan_stale=my_orphan_count/my_share_count if my_share_count != 0 else None,
 154                 dead_stale=my_doa_count/my_share_count if my_share_count != 0 else None,
 155             ),
 156             miner_hash_rates=miner_hash_rates,
 157             miner_dead_hash_rates=miner_dead_hash_rates,
 158             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
 159         )
 160
 161     class WebInterface(resource.Resource):
 162         def __init__(self, func, mime_type='application/json', args=()):
 163             resource.Resource.__init__(self)
 164             self.func, self.mime_type, self.args = func, mime_type, args
 165
 166         def getChild(self, child, request):
 167             return WebInterface(self.func, self.mime_type, self.args + (child,))
 168
 169         def render_GET(self, request):
 170             request.setHeader('Content-Type', self.mime_type)
 171             request.setHeader('Access-Control-Allow-Origin', '*')
 172             res = self.func(*self.args)
 173             return json.dumps(res) if self.mime_type == 'application/json' else res
 174
 175     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))))
 176     web_root.putChild('difficulty', WebInterface(lambda: bitcoin_data.target_to_difficulty(tracker.shares[current_work.value['best_share_hash']].max_target)))
 177     web_root.putChild('users', WebInterface(get_users))
 178     web_root.putChild('fee', WebInterface(lambda: worker_fee))
 179     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())))
 180     web_root.putChild('patron_sendmany', WebInterface(get_patron_sendmany, 'text/plain'))
 181     web_root.putChild('global_stats', WebInterface(get_global_stats))
 182     web_root.putChild('local_stats', WebInterface(get_local_stats))
 183     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'))
 184     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'))
 185     web_root.putChild('payout_addr', WebInterface(lambda: bitcoin_data.pubkey_hash_to_address(my_pubkey_hash, net.PARENT)))
 186     web_root.putChild('recent_blocks', WebInterface(lambda: recent_blocks))
 187     web_root.putChild('uptime', WebInterface(lambda: time.time() - start_time))
 188
 189     new_root = resource.Resource()
 190     web_root.putChild('web', new_root)
 191
 192     stat_log = []
 193     if os.path.exists(os.path.join(datadir_path, 'stats')):
 194         try:
 195             with open(os.path.join(datadir_path, 'stats'), 'rb') as f:
 196                 stat_log = json.loads(f.read())
 197         except:
 198             log.err(None, 'Error loading stats:')
 199     def update_stat_log():
 200         while stat_log and stat_log[0]['time'] < time.time() - 24*60*60:
 201             stat_log.pop(0)
 202
 203         lookbehind = 3600//net.SHARE_PERIOD
 204         if tracker.get_height(current_work.value['best_share_hash']) < lookbehind:
 205             return None
 206
 207         global_stale_prop = p2pool_data.get_average_stale_prop(tracker, current_work.value['best_share_hash'], lookbehind)
 208         (stale_orphan_shares, stale_doa_shares), shares, _ = get_stale_counts()
 209
 210         miner_hash_rates = {}
 211         miner_dead_hash_rates = {}
 212         datums, dt = local_rate_monitor.get_datums_in_last()
 213         for datum in datums:
 214             miner_hash_rates[datum['user']] = miner_hash_rates.get(datum['user'], 0) + datum['work']/dt
 215             if datum['dead']:
 216                 miner_dead_hash_rates[datum['user']] = miner_dead_hash_rates.get(datum['user'], 0) + datum['work']/dt
 217
 218         stat_log.append(dict(
 219             time=time.time(),
 220             pool_hash_rate=p2pool_data.get_pool_attempts_per_second(tracker, current_work.value['best_share_hash'], lookbehind)/(1-global_stale_prop),
 221             pool_stale_prop=global_stale_prop,
 222             local_hash_rates=miner_hash_rates,
 223             local_dead_hash_rates=miner_dead_hash_rates,
 224             shares=shares,
 225             stale_shares=stale_orphan_shares + stale_doa_shares,
 226             stale_shares_breakdown=dict(orphan=stale_orphan_shares, doa=stale_doa_shares),
 227             current_payout=get_current_txouts().get(bitcoin_data.pubkey_hash_to_script2(my_pubkey_hash), 0)*1e-8,
 228             peers=dict(
 229                 incoming=sum(1 for peer in p2p_node.peers.itervalues() if peer.incoming),
 230                 outgoing=sum(1 for peer in p2p_node.peers.itervalues() if not peer.incoming),
 231             ),
 232             attempts_to_share=bitcoin_data.target_to_average_attempts(tracker.shares[current_work.value['best_share_hash']].max_target),
 233             attempts_to_block=bitcoin_data.target_to_average_attempts(current_work.value['bits'].target),
 234             block_value=current_work2.value['subsidy']*1e-8,
 235         ))
 236
 237         with open(os.path.join(datadir_path, 'stats'), 'wb') as f:
 238             f.write(json.dumps(stat_log))
 239     task.LoopingCall(update_stat_log).start(5*60)
 240     new_root.putChild('log', WebInterface(lambda: stat_log))
 241
 242     def get_share(share_hash_str):
 243         if int(share_hash_str, 16) not in tracker.shares:
 244             return None
 245         share = tracker.shares[int(share_hash_str, 16)]
 246
 247         return dict(
 248             parent='%064x' % share.previous_hash,
 249             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
 250             local=dict(
 251                 verified=share.hash in tracker.verified.shares,
 252                 time_first_seen=start_time if share.time_seen == 0 else share.time_seen,
 253                 peer_first_received_from=share.peer.addr if share.peer is not None else None,
 254             ),
 255             share_data=dict(
 256                 timestamp=share.timestamp,
 257                 target=share.target,
 258                 max_target=share.max_target,
 259                 payout_address=bitcoin_data.script2_to_address(share.new_script, net.PARENT),
 260                 donation=share.share_data['donation']/65535,
 261                 stale_info=share.share_data['stale_info'],
 262                 nonce=share.share_data['nonce'],
 263             ),
 264             block=dict(
 265                 hash='%064x' % share.header_hash,
 266                 header=dict(
 267                     version=share.header['version'],
 268                     previous_block='%064x' % share.header['previous_block'],
 269                     merkle_root='%064x' % share.header['merkle_root'],
 270                     timestamp=share.header['timestamp'],
 271                     target=share.header['bits'].target,
 272                     nonce=share.header['nonce'],
 273                 ),
 274                 gentx=dict(
 275                     hash='%064x' % share.gentx_hash,
 276                     coinbase=share.share_data['coinbase'].ljust(2, '\x00').encode('hex'),
 277                     value=share.share_data['subsidy']*1e-8,
 278                 ),
 279                 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'])],
 280             ),
 281         )
 282     new_root.putChild('share', WebInterface(lambda share_hash_str: get_share(share_hash_str)))
 283     new_root.putChild('heads', WebInterface(lambda: ['%064x' % x for x in tracker.heads]))
 284     new_root.putChild('verified_heads', WebInterface(lambda: ['%064x' % x for x in tracker.verified.heads]))
 285     new_root.putChild('tails', WebInterface(lambda: ['%064x' % x for t in tracker.tails for x in tracker.reverse_shares.get(t, set())]))
 286     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())]))
 287     new_root.putChild('best_share_hash', WebInterface(lambda: '%064x' % current_work.value['best_share_hash']))
 288
 289     class Explorer(resource.Resource):
 290         def render_GET(self, request):
 291             return 'moved to /static/'
 292         def getChild(self, child, request):
 293             return self
 294     new_root.putChild('explorer', Explorer())
 295
 296     hd_path = os.path.join(datadir_path, 'graph_db')
 297     hd_data = _atomic_read(hd_path)
 298     hd_obj = {}
 299     if hd_data is not None:
 300         try:
 301             hd_obj = json.loads(hd_data)
 302         except Exception:
 303             log.err(None, 'Error reading graph database:')
 304     dataview_descriptions = {
 305         'last_hour': graph.DataViewDescription(150, 60*60),
 306         'last_day': graph.DataViewDescription(300, 60*60*24),
 307         'last_week': graph.DataViewDescription(300, 60*60*24*7),
 308         'last_month': graph.DataViewDescription(300, 60*60*24*30),
 309         'last_year': graph.DataViewDescription(300, 60*60*24*365.25),
 310     }
 311     def combine_and_keep_largest(*dicts):
 312         res = {}
 313         for d in dicts:
 314             for k, v in d.iteritems():
 315                 res[k] = res.get(k, 0) + v
 316         return dict((k, v) for k, v in sorted(res.iteritems(), key=lambda (k, v): v)[-30:] if v)
 317     hd = graph.HistoryDatabase.from_obj({
 318         'local_hash_rate': graph.DataStreamDescription(False, dataview_descriptions),
 319         'local_dead_hash_rate': graph.DataStreamDescription(False, dataview_descriptions),
 320         'local_share_hash_rate': graph.DataStreamDescription(False, dataview_descriptions),
 321         'local_dead_share_hash_rate': graph.DataStreamDescription(False, dataview_descriptions),
 322         'pool_rate': graph.DataStreamDescription(True, dataview_descriptions),
 323         'pool_stale_rate': graph.DataStreamDescription(True, dataview_descriptions),
 324         'current_payout': graph.DataStreamDescription(True, dataview_descriptions),
 325         'incoming_peers': graph.DataStreamDescription(True, dataview_descriptions),
 326         'outgoing_peers': graph.DataStreamDescription(True, dataview_descriptions),
 327         'miner_hash_rates': graph.DataStreamDescription(False, dataview_descriptions, {}, combine_and_keep_largest, math.mult_dict),
 328         'miner_dead_hash_rates': graph.DataStreamDescription(False, dataview_descriptions, {}, combine_and_keep_largest, math.mult_dict),
 329     }, hd_obj)
 330     task.LoopingCall(lambda: _atomic_write(hd_path, json.dumps(hd.to_obj()))).start(100)
 331     @pseudoshare_received.watch
 332     def _(work, dead, user, had_vip_pass):
 333         t = time.time()
 334         hd.datastreams['local_hash_rate'].add_datum(t, work)
 335         if dead:
 336             hd.datastreams['local_dead_hash_rate'].add_datum(t, work)
 337         if user is not None:
 338             hd.datastreams['miner_hash_rates'].add_datum(t, {user: work})
 339             if dead:
 340                 hd.datastreams['miner_dead_hash_rates'].add_datum(t, {user: work})
 341     @share_received.watch
 342     def _(work, dead):
 343         t = time.time()
 344         hd.datastreams['local_share_hash_rate'].add_datum(t, work)
 345         if dead:
 346             hd.datastreams['local_dead_share_hash_rate'].add_datum(t, work)
 347     def add_point():
 348         if tracker.get_height(current_work.value['best_share_hash']) < 720:
 349             return
 350         nonstalerate = p2pool_data.get_pool_attempts_per_second(tracker, current_work.value['best_share_hash'], 720)
 351         poolrate = nonstalerate / (1 - p2pool_data.get_average_stale_prop(tracker, current_work.value['best_share_hash'], 720))
 352         t = time.time()
 353         hd.datastreams['pool_rate'].add_datum(t, poolrate)
 354         hd.datastreams['pool_stale_rate'].add_datum(t, poolrate - nonstalerate)
 355         hd.datastreams['current_payout'].add_datum(t, get_current_txouts().get(bitcoin_data.pubkey_hash_to_script2(my_pubkey_hash), 0)*1e-8)
 356         hd.datastreams['incoming_peers'].add_datum(t, sum(1 for peer in p2p_node.peers.itervalues() if peer.incoming))
 357         hd.datastreams['outgoing_peers'].add_datum(t, sum(1 for peer in p2p_node.peers.itervalues() if not peer.incoming))
 358     task.LoopingCall(add_point).start(5)
 359     new_root.putChild('graph_data', WebInterface(lambda source, view: hd.datastreams[source].dataviews[view].get_data(time.time())))
 360
 361     web_root.putChild('static', static.File(os.path.join(os.path.dirname(sys.argv[0]), 'web-static')))
 362
 363     return web_root