def update_stat_log(): while stat_log and stat_log[0]['time'] < time.time() - 24*60*60: stat_log.pop(0) lookbehind = 3600//node.net.SHARE_PERIOD if node.tracker.get_height(node.best_share_var.value) < lookbehind: return None global_stale_prop = p2pool_data.get_average_stale_prop(node.tracker, node.best_share_var.value, lookbehind) (stale_orphan_shares, stale_doa_shares), shares, _ = wb.get_stale_counts() miner_hash_rates, miner_dead_hash_rates = get_local_rates() stat_log.append(dict( time=time.time(), pool_hash_rate=p2pool_data.get_pool_attempts_per_second(node.tracker, node.best_share_var.value, lookbehind)/(1-global_stale_prop), pool_stale_prop=global_stale_prop, local_hash_rates=miner_hash_rates, local_dead_hash_rates=miner_dead_hash_rates, shares=shares, stale_shares=stale_orphan_shares + stale_doa_shares, stale_shares_breakdown=dict(orphan=stale_orphan_shares, doa=stale_doa_shares), current_payout=node.get_current_txouts().get(bitcoin_data.pubkey_hash_to_script2(wb.my_pubkey_hash), 0)*1e-8, peers=dict( incoming=sum(1 for peer in node.p2p_node.peers.itervalues() if peer.incoming), outgoing=sum(1 for peer in node.p2p_node.peers.itervalues() if not peer.incoming), ), attempts_to_share=bitcoin_data.target_to_average_attempts(node.tracker.items[node.best_share_var.value].max_target), attempts_to_block=bitcoin_data.target_to_average_attempts(node.bitcoind_work.value['bits'].target), block_value=node.bitcoind_work.value['subsidy']*1e-8, )) with open(os.path.join(datadir_path, 'stats'), 'wb') as f: f.write(json.dumps(stat_log))
def status_thread(): last_str = None last_time = 0 while True: yield deferral.sleep(3) try: height = node.tracker.get_height(node.best_share_var.value) this_str = 'P2Pool: %i shares in chain (%i verified/%i total) Peers: %i (%i incoming)' % ( height, len(node.tracker.verified.items), len(node.tracker.items), len(node.p2p_node.peers), sum(1 for peer in node.p2p_node.peers.itervalues() if peer.incoming), ) + (' FDs: %i R/%i W' % (len(reactor.getReaders()), len(reactor.getWriters())) if p2pool.DEBUG else '') datums, dt = wb.local_rate_monitor.get_datums_in_last() my_att_s = sum(datum['work']/dt for datum in datums) my_shares_per_s = sum(datum['work']/dt/bitcoin_data.target_to_average_attempts(datum['share_target']) for datum in datums) this_str += '\n Local: %sH/s in last %s Local dead on arrival: %s Expected time to share: %s' % ( math.format(int(my_att_s)), math.format_dt(dt), math.format_binomial_conf(sum(1 for datum in datums if datum['dead']), len(datums), 0.95), math.format_dt(1/my_shares_per_s) if my_shares_per_s else '???', ) if height > 2: (stale_orphan_shares, stale_doa_shares), shares, _ = wb.get_stale_counts() stale_prop = p2pool_data.get_average_stale_prop(node.tracker, node.best_share_var.value, min(60*60//net.SHARE_PERIOD, height)) real_att_s = p2pool_data.get_pool_attempts_per_second(node.tracker, node.best_share_var.value, min(height - 1, 60*60//net.SHARE_PERIOD)) / (1 - stale_prop) this_str += '\n Shares: %i (%i orphan, %i dead) Stale rate: %s Efficiency: %s Current payout: %.4f %s' % ( shares, stale_orphan_shares, stale_doa_shares, math.format_binomial_conf(stale_orphan_shares + stale_doa_shares, shares, 0.95), math.format_binomial_conf(stale_orphan_shares + stale_doa_shares, shares, 0.95, lambda x: (1 - x)/(1 - stale_prop)), node.get_current_txouts().get(bitcoin_data.pubkey_hash_to_script2(my_pubkey_hash), 0)*1e-8, net.PARENT.SYMBOL, ) print(node.bitcoind_work.value['bits']) print(real_att_s) this_str += '\n Pool: %sH/s Stale rate: %.1f%% Expected time to block: %s' % ( math.format(int(real_att_s)), 100*stale_prop, math.format_dt(2**256 / node.bitcoind_work.value['bits'].target / real_att_s), ) for warning in p2pool_data.get_warnings(node.tracker, node.best_share_var.value, net, bitcoind_getinfo_var.value, node.bitcoind_work.value): print >>sys.stderr, '#'*40 print >>sys.stderr, '>>> Warning: ' + warning print >>sys.stderr, '#'*40 if gc.garbage: print '%i pieces of uncollectable cyclic garbage! Types: %r' % (len(gc.garbage), map(type, gc.garbage)) if this_str != last_str or time.time() > last_time + 15: print this_str last_str = this_str last_time = time.time() except: log.err()
def get_local_stats(): lookbehind = 3600//net.SHARE_PERIOD if tracker.get_height(current_work.value['best_share_hash']) < lookbehind: return None global_stale_prop = p2pool_data.get_average_stale_prop(tracker, current_work.value['best_share_hash'], lookbehind) 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) 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) 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) my_share_count = my_unstale_count + my_orphan_count + my_doa_count my_stale_count = my_orphan_count + my_doa_count my_stale_prop = my_stale_count/my_share_count if my_share_count != 0 else None my_work = sum(bitcoin_data.target_to_average_attempts(share.target) for share in tracker.get_chain(current_work.value['best_share_hash'], lookbehind - 1) if share.hash in my_share_hashes) actual_time = (tracker.shares[current_work.value['best_share_hash']].timestamp - tracker.shares[tracker.get_nth_parent_hash(current_work.value['best_share_hash'], lookbehind - 1)].timestamp) share_att_s = my_work / actual_time miner_hash_rates = {} miner_dead_hash_rates = {} datums, dt = local_rate_monitor.get_datums_in_last() for datum in datums: miner_hash_rates[datum['user']] = miner_hash_rates.get(datum['user'], 0) + datum['work']/dt if datum['dead']: miner_dead_hash_rates[datum['user']] = miner_dead_hash_rates.get(datum['user'], 0) + datum['work']/dt (stale_orphan_shares, stale_doa_shares), shares, _ = get_stale_counts() return dict( my_hash_rates_in_last_hour=dict( note="DEPRECATED", nonstale=share_att_s, rewarded=share_att_s/(1 - global_stale_prop), 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 ), my_share_counts_in_last_hour=dict( shares=my_share_count, unstale_shares=my_unstale_count, stale_shares=my_stale_count, orphan_stale_shares=my_orphan_count, doa_stale_shares=my_doa_count, ), my_stale_proportions_in_last_hour=dict( stale=my_stale_prop, orphan_stale=my_orphan_count/my_share_count if my_share_count != 0 else None, dead_stale=my_doa_count/my_share_count if my_share_count != 0 else None, ), miner_hash_rates=miner_hash_rates, miner_dead_hash_rates=miner_dead_hash_rates, 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 )
def update_stat_log(): while stat_log and stat_log[0]['time'] < time.time() - 24*60*60: stat_log.pop(0) lookbehind = 3600//net.SHARE_PERIOD if tracker.get_height(current_work.value['best_share_hash']) < lookbehind: return None global_stale_prop = p2pool_data.get_average_stale_prop(tracker, current_work.value['best_share_hash'], lookbehind) (stale_orphan_shares, stale_doa_shares), shares, _ = get_stale_counts() miner_hash_rates = {} miner_dead_hash_rates = {} datums, dt = local_rate_monitor.get_datums_in_last() for datum in datums: miner_hash_rates[datum['user']] = miner_hash_rates.get(datum['user'], 0) + datum['work']/dt if datum['dead']: miner_dead_hash_rates[datum['user']] = miner_dead_hash_rates.get(datum['user'], 0) + datum['work']/dt stat_log.append(dict( time=time.time(), pool_hash_rate=p2pool_data.get_pool_attempts_per_second(tracker, current_work.value['best_share_hash'], lookbehind)/(1-global_stale_prop), pool_stale_prop=global_stale_prop, local_hash_rates=miner_hash_rates, local_dead_hash_rates=miner_dead_hash_rates, shares=shares, stale_shares=stale_orphan_shares + stale_doa_shares, stale_shares_breakdown=dict(orphan=stale_orphan_shares, doa=stale_doa_shares), current_payout=get_current_txouts().get(bitcoin_data.pubkey_hash_to_script2(my_pubkey_hash), 0)*1e-8, peers=dict( incoming=sum(1 for peer in p2p_node.peers.itervalues() if peer.incoming), outgoing=sum(1 for peer in p2p_node.peers.itervalues() if not peer.incoming), ), attempts_to_share=bitcoin_data.target_to_average_attempts(tracker.shares[current_work.value['best_share_hash']].max_target), attempts_to_block=bitcoin_data.target_to_average_attempts(current_work.value['bits'].target), block_value=current_work2.value['subsidy']*1e-8, )) with open(os.path.join(datadir_path, 'stats'), 'wb') as f: f.write(json.dumps(stat_log))
def get_local_stats(): if node.tracker.get_height(node.best_share_var.value) < 10: return None lookbehind = min(node.tracker.get_height(node.best_share_var.value), 3600//node.net.SHARE_PERIOD) global_stale_prop = p2pool_data.get_average_stale_prop(node.tracker, node.best_share_var.value, lookbehind) 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) 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') 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') my_share_count = my_unstale_count + my_orphan_count + my_doa_count my_stale_count = my_orphan_count + my_doa_count my_stale_prop = my_stale_count/my_share_count if my_share_count != 0 else None my_work = sum(bitcoin_data.target_to_average_attempts(share.target) for share in node.tracker.get_chain(node.best_share_var.value, lookbehind - 1) if share.hash in wb.my_share_hashes) actual_time = (node.tracker.items[node.best_share_var.value].timestamp - node.tracker.items[node.tracker.get_nth_parent_hash(node.best_share_var.value, lookbehind - 1)].timestamp) share_att_s = my_work / actual_time miner_hash_rates, miner_dead_hash_rates = get_local_rates() (stale_orphan_shares, stale_doa_shares), shares, _ = wb.get_stale_counts() return dict( my_hash_rates_in_last_hour=dict( note="DEPRECATED", nonstale=share_att_s, rewarded=share_att_s/(1 - global_stale_prop), 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 ), my_share_counts_in_last_hour=dict( shares=my_share_count, unstale_shares=my_unstale_count, stale_shares=my_stale_count, orphan_stale_shares=my_orphan_count, doa_stale_shares=my_doa_count, ), my_stale_proportions_in_last_hour=dict( stale=my_stale_prop, orphan_stale=my_orphan_count/my_share_count if my_share_count != 0 else None, dead_stale=my_doa_count/my_share_count if my_share_count != 0 else None, ), miner_hash_rates=miner_hash_rates, miner_dead_hash_rates=miner_dead_hash_rates, 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 efficiency=(1 - (stale_orphan_shares+stale_doa_shares)/shares)/(1 - global_stale_prop) if shares else None, peers=dict( incoming=sum(1 for peer in node.p2p_node.peers.itervalues() if peer.incoming), outgoing=sum(1 for peer in node.p2p_node.peers.itervalues() if not peer.incoming), ), shares=dict( total=shares, orphan=stale_orphan_shares, dead=stale_doa_shares, ), uptime=time.time() - start_time, attempts_to_share=bitcoin_data.target_to_average_attempts(node.tracker.items[node.best_share_var.value].max_target), attempts_to_block=bitcoin_data.target_to_average_attempts(node.bitcoind_work.value['bits'].target), block_value=node.bitcoind_work.value['subsidy']*1e-8, warnings=p2pool_data.get_warnings(node.tracker, node.best_share_var.value, node.net, bitcoind_warning_var.value, node.bitcoind_work.value), donation_proportion=wb.donation_percentage/100, )
def get_local_stats(): if node.tracker.get_height(node.best_share_var.value) < 10: return None lookbehind = min(node.tracker.get_height(node.best_share_var.value), 3600 // node.net.SHARE_PERIOD) global_stale_prop = p2pool_data.get_average_stale_prop( node.tracker, node.best_share_var.value, lookbehind) 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) 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') 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') my_share_count = my_unstale_count + my_orphan_count + my_doa_count my_stale_count = my_orphan_count + my_doa_count my_stale_prop = my_stale_count / my_share_count if my_share_count != 0 else None my_work = sum( bitcoin_data.target_to_average_attempts(share.target) for share in node.tracker.get_chain(node.best_share_var.value, lookbehind - 1) if share.hash in wb.my_share_hashes) actual_time = ( node.tracker.items[node.best_share_var.value].timestamp - node.tracker.items[node.tracker.get_nth_parent_hash( node.best_share_var.value, lookbehind - 1)].timestamp) share_att_s = my_work / actual_time miner_hash_rates, miner_dead_hash_rates = wb.get_local_rates() (stale_orphan_shares, stale_doa_shares), shares, _ = wb.get_stale_counts() miner_last_difficulties = {} for addr in wb.last_work_shares.value: miner_last_difficulties[addr] = bitcoin_data.target_to_difficulty( wb.last_work_shares.value[addr].target) return dict( my_hash_rates_in_last_hour=dict( note="DEPRECATED", nonstale=share_att_s, rewarded=share_att_s / (1 - global_stale_prop), 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 ), my_share_counts_in_last_hour=dict( shares=my_share_count, unstale_shares=my_unstale_count, stale_shares=my_stale_count, orphan_stale_shares=my_orphan_count, doa_stale_shares=my_doa_count, ), my_stale_proportions_in_last_hour=dict( stale=my_stale_prop, orphan_stale=my_orphan_count / my_share_count if my_share_count != 0 else None, dead_stale=my_doa_count / my_share_count if my_share_count != 0 else None, ), miner_hash_rates=miner_hash_rates, miner_dead_hash_rates=miner_dead_hash_rates, miner_last_difficulties=miner_last_difficulties, 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 efficiency=(1 - (stale_orphan_shares + stale_doa_shares) / shares) / (1 - global_stale_prop) if shares else None, peers=dict( incoming=sum(1 for peer in node.p2p_node.peers.itervalues() if peer.incoming), outgoing=sum(1 for peer in node.p2p_node.peers.itervalues() if not peer.incoming), ), shares=dict( total=shares, orphan=stale_orphan_shares, dead=stale_doa_shares, ), uptime=time.time() - start_time, attempts_to_share=bitcoin_data.target_to_average_attempts( node.tracker.items[node.best_share_var.value].max_target), attempts_to_block=bitcoin_data.target_to_average_attempts( node.bitcoind_work.value['bits'].target), block_value=node.bitcoind_work.value['subsidy'] * 1e-8, warnings=p2pool_data.get_warnings(node.tracker, node.best_share_var.value, node.net, bitcoind_getinfo_var.value, node.bitcoind_work.value), donation_proportion=wb.donation_percentage / 100, version=p2pool.__version__, protocol_version=p2p.Protocol.VERSION, fee=wb.worker_fee, )
def status_thread(): last_str = None last_time = 0 while True: yield deferral.sleep(30) try: height = node.tracker.get_height(node.best_share_var.value) this_str = 'P2Pool: %i shares in chain (%i verified/%i total) Peers: %i (%i incoming)' % ( height, len(node.tracker.verified.items), len(node.tracker.items), len(node.p2p_node.peers), sum(1 for peer in node.p2p_node.peers.itervalues() if peer.incoming), ) + (' FDs: %i R/%i W' % (len(reactor.getReaders()), len(reactor.getWriters())) if p2pool.DEBUG else '') datums, dt = wb.local_rate_monitor.get_datums_in_last() my_att_s = sum(datum['work'] / dt for datum in datums) my_shares_per_s = sum( datum['work'] / dt / bitcoin_data.target_to_average_attempts( datum['share_target']) for datum in datums) this_str += '\n Local: %sH/s in last %s Local dead on arrival: %s Expected time to share: %s' % ( math.format(int(my_att_s)), math.format_dt(dt), math.format_binomial_conf( sum(1 for datum in datums if datum['dead']), len(datums), 0.95), math.format_dt(1 / my_shares_per_s) if my_shares_per_s else '???', ) if height > 2: (stale_orphan_shares, stale_doa_shares), shares, _ = wb.get_stale_counts() stale_prop = p2pool_data.get_average_stale_prop( node.tracker, node.best_share_var.value, min(60 * 60 // net.SHARE_PERIOD, height)) real_att_s = p2pool_data.get_pool_attempts_per_second( node.tracker, node.best_share_var.value, min(height - 1, 60 * 60 // net.SHARE_PERIOD)) / (1 - stale_prop) paystr = '' paytot = 0.0 for i in range(len(pubkeys.keys)): curtot = node.get_current_txouts().get( bitcoin_data.pubkey_hash_to_script2( pubkeys.keys[i]), 0) paytot += curtot * 1e-8 paystr += "(%.4f)" % (curtot * 1e-8, ) paystr += "=%.4f" % (paytot, ) this_str += '\n Shares: %i (%i orphan, %i dead) Stale rate: %s Efficiency: %s Current payout: %s %s' % ( shares, stale_orphan_shares, stale_doa_shares, math.format_binomial_conf( stale_orphan_shares + stale_doa_shares, shares, 0.95), math.format_binomial_conf( stale_orphan_shares + stale_doa_shares, shares, 0.95, lambda x: (1 - x) / (1 - stale_prop)), paystr, net.PARENT.SYMBOL, ) this_str += '\n Pool: %sH/s Stale rate: %.1f%% Expected time to block: %s' % ( math.format(int(real_att_s)), 100 * stale_prop, math.format_dt( 2**256 / node.bitcoind_work.value['bits'].target / real_att_s), ) for warning in p2pool_data.get_warnings( node.tracker, node.best_share_var.value, net, bitcoind_getinfo_var.value, node.bitcoind_work.value): print >> sys.stderr, '#' * 40 print >> sys.stderr, '>>> Warning: ' + warning print >> sys.stderr, '#' * 40 if gc.garbage: print '%i pieces of uncollectable cyclic garbage! Types: %r' % ( len(gc.garbage), map(type, gc.garbage)) if this_str != last_str or time.time() > last_time + 15: print this_str last_str = this_str last_time = time.time() except: log.err()
def get_work(self, pubkey_hash, desired_share_target, desired_pseudoshare_target): global print_throttle print 'self.node:', self.node print 'self.node.best_share_var.value:' , self.node.best_share_var.value if (self.node.p2p_node is None) and self.node.net.PERSIST: raise jsonrpc.Error_for_code(-12345)(u'p2pool is not connected to any peers node is None') if (len(self.node.p2p_node.peers) == 0) and self.node.net.PERSIST: raise jsonrpc.Error_for_code(-12345)(u'p2pool is not connected to any peers peers == 0') if self.node.best_share_var.value is None and self.node.net.PERSIST: raise jsonrpc.Error_for_code(-12345)(u'p2pool is downloading shares') if set(r[1:] if r.startswith('!') else r for r in self.node.bitcoind_work.value['rules']) - set(getattr(self.node.net, 'SOFTFORKS_REQUIRED', [])): raise jsonrpc.Error_for_code(-12345)(u'unknown rule activated') print 'init get_work a' if self.merged_work.value: tree, size = bitcoin_data.make_auxpow_tree(self.merged_work.value) mm_hashes = [self.merged_work.value.get(tree.get(i), dict(hash=0))['hash'] for i in xrange(size)] mm_data = '\xfa\xbemm' + bitcoin_data.aux_pow_coinbase_type.pack(dict( merkle_root=bitcoin_data.merkle_hash(mm_hashes), size=size, nonce=0, )) mm_later = [(aux_work, mm_hashes.index(aux_work['hash']), mm_hashes) for chain_id, aux_work in self.merged_work.value.iteritems()] else: mm_data = '' mm_later = [] print 'init get_work b' tx_hashes = [bitcoin_data.hash256(bitcoin_data.tx_type.pack(tx)) for tx in self.current_work.value['transactions']] tx_map = dict(zip(tx_hashes, self.current_work.value['transactions'])) previous_share = self.node.tracker.items[self.node.best_share_var.value] if self.node.best_share_var.value is not None else None if previous_share is None: share_type = p2pool_data.Share else: previous_share_type = type(previous_share) if previous_share_type.SUCCESSOR is None or self.node.tracker.get_height(previous_share.hash) < self.node.net.CHAIN_LENGTH: share_type = previous_share_type else: successor_type = previous_share_type.SUCCESSOR counts = p2pool_data.get_desired_version_counts(self.node.tracker, self.node.tracker.get_nth_parent_hash(previous_share.hash, self.node.net.CHAIN_LENGTH*9//10), self.node.net.CHAIN_LENGTH//10) upgraded = counts.get(successor_type.VERSION, 0)/sum(counts.itervalues()) if upgraded > .65: print 'Switchover imminent. Upgraded: %.3f%% Threshold: %.3f%%' % (upgraded*100, 95) # Share -> NewShare only valid if 95% of hashes in [net.CHAIN_LENGTH*9//10, net.CHAIN_LENGTH] for new version if counts.get(successor_type.VERSION, 0) > sum(counts.itervalues())*95//100: share_type = successor_type else: share_type = previous_share_type if desired_share_target is None: desired_share_target = 2**256-1 local_hash_rate = self._estimate_local_hash_rate() if local_hash_rate is not None: desired_share_target = min(desired_share_target, bitcoin_data.average_attempts_to_target(local_hash_rate * self.node.net.SHARE_PERIOD / 0.0167)) # limit to 1.67% of pool shares by modulating share difficulty local_addr_rates = self.get_local_addr_rates() lookbehind = 3600//self.node.net.SHARE_PERIOD block_subsidy = self.node.bitcoind_work.value['subsidy'] if previous_share is not None and self.node.tracker.get_height(previous_share.hash) > lookbehind: expected_payout_per_block = local_addr_rates.get(pubkey_hash, 0)/p2pool_data.get_pool_attempts_per_second(self.node.tracker, self.node.best_share_var.value, lookbehind) \ * block_subsidy*(1-self.donation_percentage/100) # XXX doesn't use global stale rate to compute pool hash if expected_payout_per_block < self.node.net.PARENT.DUST_THRESHOLD: desired_share_target = min(desired_share_target, bitcoin_data.average_attempts_to_target((bitcoin_data.target_to_average_attempts(self.node.bitcoind_work.value['bits'].target)*self.node.net.SPREAD)*self.node.net.PARENT.DUST_THRESHOLD/block_subsidy) ) if True: share_info, gentx, other_transaction_hashes, get_share = share_type.generate_transaction( tracker=self.node.tracker, share_data=dict( previous_share_hash=self.node.best_share_var.value, coinbase=(script.create_push_script([ self.current_work.value['height'], ] + ([mm_data] if mm_data else []) + [ ]) + self.current_work.value['coinbaseflags'])[:100], nonce=random.randrange(2**32), pubkey_hash=pubkey_hash, subsidy=self.current_work.value['subsidy'], donation=math.perfect_round(65535*self.donation_percentage/100), stale_info=(lambda (orphans, doas), total, (orphans_recorded_in_chain, doas_recorded_in_chain): 'orphan' if orphans > orphans_recorded_in_chain else 'doa' if doas > doas_recorded_in_chain else None )(*self.get_stale_counts()), desired_version=(share_type.SUCCESSOR if share_type.SUCCESSOR is not None else share_type).VOTING_VERSION, ), block_target=self.current_work.value['bits'].target, desired_timestamp=int(time.time() + 0.5), desired_target=desired_share_target, ref_merkle_link=dict(branch=[], index=0), desired_other_transaction_hashes_and_fees=zip(tx_hashes, self.current_work.value['transaction_fees']), net=self.node.net, known_txs=tx_map, base_subsidy=self.node.net.PARENT.SUBSIDY_FUNC(self.current_work.value['height']), ) packed_gentx = bitcoin_data.tx_id_type.pack(gentx) # stratum miners work with stripped transactions other_transactions = [tx_map[tx_hash] for tx_hash in other_transaction_hashes] mm_later = [(dict(aux_work, target=aux_work['target'] if aux_work['target'] != 'p2pool' else share_info['bits'].target), index, hashes) for aux_work, index, hashes in mm_later] if desired_pseudoshare_target is None: # target,决定了挖矿难度,默认是2**256-1 = Difficulty 4.1k target = 2**256-1 local_hash_rate = self._estimate_local_hash_rate() if local_hash_rate is not None: target = min(target, bitcoin_data.average_attempts_to_target(local_hash_rate * 1)) # limit to 1 share response every second by modulating pseudoshare difficulty else: target = desired_pseudoshare_target target = max(target, share_info['bits'].target) for aux_work, index, hashes in mm_later: target = max(target, aux_work['target']) target = math.clip(target, self.node.net.PARENT.SANE_TARGET_RANGE) getwork_time = time.time() lp_count = self.new_work_event.times merkle_link = bitcoin_data.calculate_merkle_link([None] + other_transaction_hashes, 0) if share_info.get('segwit_data', None) is None else share_info['segwit_data']['txid_merkle_link'] if print_throttle is 0.0: print_throttle = time.time() else: current_time = time.time() if (current_time - print_throttle) > 5.0: print 'New work for worker! Difficulty: %.06f Share difficulty: %.06f Total block value: %.6f %s including %i transactions' % ( bitcoin_data.target_to_difficulty(target), bitcoin_data.target_to_difficulty(share_info['bits'].target), self.current_work.value['subsidy']*1e-8, self.node.net.PARENT.SYMBOL, len(self.current_work.value['transactions']), ) print_throttle = time.time() #need this for stats self.last_work_shares.value[bitcoin_data.pubkey_hash_to_address(pubkey_hash, self.node.net.PARENT)]=share_info['bits'] ba = dict( version=max(self.current_work.value['version'], 0x20000000), previous_block=self.current_work.value['previous_block'], merkle_link=merkle_link, coinb1=packed_gentx[:-self.COINBASE_NONCE_LENGTH-4], coinb2=packed_gentx[-4:], timestamp=self.current_work.value['time'], bits=self.current_work.value['bits'], share_target=target, ) received_header_hashes = set() def got_response(header, user, coinbase_nonce): print 'init work : got_response' assert len(coinbase_nonce) == self.COINBASE_NONCE_LENGTH new_packed_gentx = packed_gentx[:-self.COINBASE_NONCE_LENGTH-4] + coinbase_nonce + packed_gentx[-4:] if coinbase_nonce != '\0'*self.COINBASE_NONCE_LENGTH else packed_gentx new_gentx = bitcoin_data.tx_type.unpack(new_packed_gentx) if coinbase_nonce != '\0'*self.COINBASE_NONCE_LENGTH else gentx if bitcoin_data.is_segwit_tx(gentx): # reintroduce witness data to the gentx produced by stratum miners new_gentx['marker'] = 0 new_gentx['flag'] = gentx['flag'] new_gentx['witness'] = gentx['witness'] header_hash = bitcoin_data.hash256(bitcoin_data.block_header_type.pack(header)) pow_hash = self.node.net.PARENT.POW_FUNC(bitcoin_data.block_header_type.pack(header)) try: if pow_hash <= header['bits'].target or p2pool.DEBUG: helper.submit_block(dict(header=header, txs=[new_gentx] + other_transactions), False, self.node.factory, self.node.bitcoind, self.node.bitcoind_work, self.node.net) if pow_hash <= header['bits'].target: print print 'GOT BLOCK FROM MINER! Passing to bitcoind! %s%064x' % (self.node.net.PARENT.BLOCK_EXPLORER_URL_PREFIX, header_hash) print except: log.err(None, 'Error while processing potential block:') user, _, _, _ = self.get_user_details(user) assert header['previous_block'] == ba['previous_block'] assert header['merkle_root'] == bitcoin_data.check_merkle_link(bitcoin_data.hash256(new_packed_gentx), merkle_link) assert header['bits'] == ba['bits'] on_time = self.new_work_event.times == lp_count for aux_work, index, hashes in mm_later: try: if pow_hash <= aux_work['target'] or p2pool.DEBUG: df = deferral.retry('Error submitting merged block: (will retry)', 10, 10)(aux_work['merged_proxy'].rpc_getauxblock)( pack.IntType(256, 'big').pack(aux_work['hash']).encode('hex'), bitcoin_data.aux_pow_type.pack(dict( merkle_tx=dict( tx=new_gentx, block_hash=header_hash, merkle_link=merkle_link, ), merkle_link=bitcoin_data.calculate_merkle_link(hashes, index), parent_block_header=header, )).encode('hex'), ) @df.addCallback def _(result, aux_work=aux_work): if result != (pow_hash <= aux_work['target']): print >>sys.stderr, 'Merged block submittal result: %s Expected: %s' % (result, pow_hash <= aux_work['target']) else: print 'Merged block submittal result: %s' % (result,) @df.addErrback def _(err): log.err(err, 'Error submitting merged block:') except: log.err(None, 'Error while processing merged mining POW:') if pow_hash <= share_info['bits'].target and header_hash not in received_header_hashes: last_txout_nonce = pack.IntType(8*self.COINBASE_NONCE_LENGTH).unpack(coinbase_nonce) share = get_share(header, last_txout_nonce) print 'GOT SHARE! %s %s prev %s age %.2fs%s' % ( user, p2pool_data.format_hash(share.hash), p2pool_data.format_hash(share.previous_hash), time.time() - getwork_time, ' DEAD ON ARRIVAL' if not on_time else '', ) self.my_share_hashes.add(share.hash) if not on_time: self.my_doa_share_hashes.add(share.hash) print 'tracker.add by work !!!' self.node.tracker.add(share) print 'set_best_share: by work !!!' self.node.set_best_share() try: if (pow_hash <= header['bits'].target or p2pool.DEBUG) and self.node.p2p_node is not None: self.node.p2p_node.broadcast_share(share.hash) except: log.err(None, 'Error forwarding block solution:') self.share_received.happened(bitcoin_data.target_to_average_attempts(share.target), not on_time, share.hash) if pow_hash > target: print 'Worker %s submitted share with hash > target:' % (user,) print ' Hash: %56x' % (pow_hash,) print ' Target: %56x' % (target,) elif header_hash in received_header_hashes: print >>sys.stderr, 'Worker %s submitted share more than once!' % (user,) else: received_header_hashes.add(header_hash) self.pseudoshare_received.happened(bitcoin_data.target_to_average_attempts(target), not on_time, user) self.recent_shares_ts_work.append((time.time(), bitcoin_data.target_to_average_attempts(target))) while len(self.recent_shares_ts_work) > 50: self.recent_shares_ts_work.pop(0) self.local_rate_monitor.add_datum(dict(work=bitcoin_data.target_to_average_attempts(target), dead=not on_time, user=user, share_target=share_info['bits'].target)) self.local_addr_rate_monitor.add_datum(dict(work=bitcoin_data.target_to_average_attempts(target), pubkey_hash=pubkey_hash)) return on_time print 'start return ba, got_response !!' return ba, got_response
def got_response(header, user, coinbase_nonce): print 'init work : got_response' assert len(coinbase_nonce) == self.COINBASE_NONCE_LENGTH new_packed_gentx = packed_gentx[:-self.COINBASE_NONCE_LENGTH-4] + coinbase_nonce + packed_gentx[-4:] if coinbase_nonce != '\0'*self.COINBASE_NONCE_LENGTH else packed_gentx new_gentx = bitcoin_data.tx_type.unpack(new_packed_gentx) if coinbase_nonce != '\0'*self.COINBASE_NONCE_LENGTH else gentx if bitcoin_data.is_segwit_tx(gentx): # reintroduce witness data to the gentx produced by stratum miners new_gentx['marker'] = 0 new_gentx['flag'] = gentx['flag'] new_gentx['witness'] = gentx['witness'] header_hash = bitcoin_data.hash256(bitcoin_data.block_header_type.pack(header)) pow_hash = self.node.net.PARENT.POW_FUNC(bitcoin_data.block_header_type.pack(header)) try: if pow_hash <= header['bits'].target or p2pool.DEBUG: helper.submit_block(dict(header=header, txs=[new_gentx] + other_transactions), False, self.node.factory, self.node.bitcoind, self.node.bitcoind_work, self.node.net) if pow_hash <= header['bits'].target: print print 'GOT BLOCK FROM MINER! Passing to bitcoind! %s%064x' % (self.node.net.PARENT.BLOCK_EXPLORER_URL_PREFIX, header_hash) print except: log.err(None, 'Error while processing potential block:') user, _, _, _ = self.get_user_details(user) assert header['previous_block'] == ba['previous_block'] assert header['merkle_root'] == bitcoin_data.check_merkle_link(bitcoin_data.hash256(new_packed_gentx), merkle_link) assert header['bits'] == ba['bits'] on_time = self.new_work_event.times == lp_count for aux_work, index, hashes in mm_later: try: if pow_hash <= aux_work['target'] or p2pool.DEBUG: df = deferral.retry('Error submitting merged block: (will retry)', 10, 10)(aux_work['merged_proxy'].rpc_getauxblock)( pack.IntType(256, 'big').pack(aux_work['hash']).encode('hex'), bitcoin_data.aux_pow_type.pack(dict( merkle_tx=dict( tx=new_gentx, block_hash=header_hash, merkle_link=merkle_link, ), merkle_link=bitcoin_data.calculate_merkle_link(hashes, index), parent_block_header=header, )).encode('hex'), ) @df.addCallback def _(result, aux_work=aux_work): if result != (pow_hash <= aux_work['target']): print >>sys.stderr, 'Merged block submittal result: %s Expected: %s' % (result, pow_hash <= aux_work['target']) else: print 'Merged block submittal result: %s' % (result,) @df.addErrback def _(err): log.err(err, 'Error submitting merged block:') except: log.err(None, 'Error while processing merged mining POW:') if pow_hash <= share_info['bits'].target and header_hash not in received_header_hashes: last_txout_nonce = pack.IntType(8*self.COINBASE_NONCE_LENGTH).unpack(coinbase_nonce) share = get_share(header, last_txout_nonce) print 'GOT SHARE! %s %s prev %s age %.2fs%s' % ( user, p2pool_data.format_hash(share.hash), p2pool_data.format_hash(share.previous_hash), time.time() - getwork_time, ' DEAD ON ARRIVAL' if not on_time else '', ) self.my_share_hashes.add(share.hash) if not on_time: self.my_doa_share_hashes.add(share.hash) print 'tracker.add by work !!!' self.node.tracker.add(share) print 'set_best_share: by work !!!' self.node.set_best_share() try: if (pow_hash <= header['bits'].target or p2pool.DEBUG) and self.node.p2p_node is not None: self.node.p2p_node.broadcast_share(share.hash) except: log.err(None, 'Error forwarding block solution:') self.share_received.happened(bitcoin_data.target_to_average_attempts(share.target), not on_time, share.hash) if pow_hash > target: print 'Worker %s submitted share with hash > target:' % (user,) print ' Hash: %56x' % (pow_hash,) print ' Target: %56x' % (target,) elif header_hash in received_header_hashes: print >>sys.stderr, 'Worker %s submitted share more than once!' % (user,) else: received_header_hashes.add(header_hash) self.pseudoshare_received.happened(bitcoin_data.target_to_average_attempts(target), not on_time, user) self.recent_shares_ts_work.append((time.time(), bitcoin_data.target_to_average_attempts(target))) while len(self.recent_shares_ts_work) > 50: self.recent_shares_ts_work.pop(0) self.local_rate_monitor.add_datum(dict(work=bitcoin_data.target_to_average_attempts(target), dead=not on_time, user=user, share_target=share_info['bits'].target)) self.local_addr_rate_monitor.add_datum(dict(work=bitcoin_data.target_to_average_attempts(target), pubkey_hash=pubkey_hash)) return on_time
def get_local_stats(): lookbehind = 3600//net.SHARE_PERIOD if tracker.get_height(best_share_var.value) < lookbehind: return None global_stale_prop = p2pool_data.get_average_stale_prop(tracker, best_share_var.value, lookbehind) my_unstale_count = sum(1 for share in tracker.get_chain(best_share_var.value, lookbehind) if share.hash in my_share_hashes) my_orphan_count = sum(1 for share in tracker.get_chain(best_share_var.value, lookbehind) if share.hash in my_share_hashes and share.share_data['stale_info'] == 'orphan') my_doa_count = sum(1 for share in tracker.get_chain(best_share_var.value, lookbehind) if share.hash in my_share_hashes and share.share_data['stale_info'] == 'doa') my_share_count = my_unstale_count + my_orphan_count + my_doa_count my_stale_count = my_orphan_count + my_doa_count my_stale_prop = my_stale_count/my_share_count if my_share_count != 0 else None my_work = sum(bitcoin_data.target_to_average_attempts(share.target) for share in tracker.get_chain(best_share_var.value, lookbehind - 1) if share.hash in my_share_hashes) actual_time = (tracker.items[best_share_var.value].timestamp - tracker.items[tracker.get_nth_parent_hash(best_share_var.value, lookbehind - 1)].timestamp) share_att_s = my_work / actual_time miner_hash_rates, miner_dead_hash_rates = get_local_rates() (stale_orphan_shares, stale_doa_shares), shares, _ = get_stale_counts() return dict( my_hash_rates_in_last_hour=dict( note="DEPRECATED", nonstale=share_att_s, rewarded=share_att_s/(1 - global_stale_prop), 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 ), my_share_counts_in_last_hour=dict( shares=my_share_count, unstale_shares=my_unstale_count, stale_shares=my_stale_count, orphan_stale_shares=my_orphan_count, doa_stale_shares=my_doa_count, ), my_stale_proportions_in_last_hour=dict( stale=my_stale_prop, orphan_stale=my_orphan_count/my_share_count if my_share_count != 0 else None, dead_stale=my_doa_count/my_share_count if my_share_count != 0 else None, ), miner_hash_rates=miner_hash_rates, miner_dead_hash_rates=miner_dead_hash_rates, 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 efficiency=(1 - (stale_orphan_shares+stale_doa_shares)/shares)/(1 - global_stale_prop) if shares else None, peers=dict( incoming=sum(1 for peer in p2p_node.peers.itervalues() if peer.incoming), outgoing=sum(1 for peer in p2p_node.peers.itervalues() if not peer.incoming), ), shares=dict( total=shares, orphan=stale_orphan_shares, dead=stale_doa_shares, ), uptime=time.time() - start_time, attempts_to_share=bitcoin_data.target_to_average_attempts(tracker.items[best_share_var.value].max_target), attempts_to_block=bitcoin_data.target_to_average_attempts(bitcoind_work.value['bits'].target), block_value=bitcoind_work.value['subsidy']*1e-8, warnings=p2pool_data.get_warnings(tracker, best_share_var.value, net, bitcoin_warning_var.value, bitcoind_work.value), )
def got_response(header, user, coinbase_nonce): assert len(coinbase_nonce) == self.COINBASE_NONCE_LENGTH new_packed_gentx = packed_gentx[:-self.COINBASE_NONCE_LENGTH - 4] + coinbase_nonce + packed_gentx[ -4:] if coinbase_nonce != '\0' * self.COINBASE_NONCE_LENGTH else packed_gentx new_gentx = bitcoin_data.tx_type.unpack( new_packed_gentx ) if coinbase_nonce != '\0' * self.COINBASE_NONCE_LENGTH else gentx header_hash = bitcoin_data.hash256( bitcoin_data.block_header_type.pack(header)) pow_hash = self.node.net.PARENT.POW_FUNC( bitcoin_data.block_header_type.pack(header)) try: if pow_hash <= header['bits'].target or p2pool.DEBUG: helper.submit_block( dict(header=header, txs=[new_gentx] + other_transactions), False, self.node.factory, self.node.bitcoind, self.node.bitcoind_work, self.node.net) if pow_hash <= header['bits'].target: print print 'GOT BLOCK FROM MINER! Passing to bitcoind! %s%064x' % ( self.node.net.PARENT.BLOCK_EXPLORER_URL_PREFIX, header_hash) print # Code to send pushover notification when a block is found by a miner (ikolubr - Mar 31st, 2018) if self.node.net.USE_PUSHOVER_BLOCK: conn = httplib.HTTPSConnection( "api.pushover.net:443") conn.request( "POST", "/1/messages.json", urllib.urlencode({ "token": self.node.net.PUSHOVER_APP_TOKEN, "user": self.node.net.PUSHOVER_USER_KEY, "message": 'FOUND SHARE! %s' % (user), }), { "Content-type": "application/x-www-form-urlencoded" }) conn.getresponse() except: log.err(None, 'Error while processing potential block:') user, _, _, _ = self.get_user_details(user) assert header['previous_block'] == ba['previous_block'] assert header['merkle_root'] == bitcoin_data.check_merkle_link( bitcoin_data.hash256(new_packed_gentx), merkle_link) assert header['bits'] == ba['bits'] on_time = self.new_work_event.times == lp_count for aux_work, index, hashes in mm_later: try: if pow_hash <= aux_work['target'] or p2pool.DEBUG: df = deferral.retry( 'Error submitting merged block: (will retry)', 10, 10)(aux_work['merged_proxy'].rpc_getauxblock)( pack.IntType(256, 'big').pack( aux_work['hash']).encode('hex'), bitcoin_data.aux_pow_type.pack( dict( merkle_tx=dict( tx=new_gentx, block_hash=header_hash, merkle_link=merkle_link, ), merkle_link=bitcoin_data. calculate_merkle_link(hashes, index), parent_block_header=header, )).encode('hex'), ) @df.addCallback def _(result, aux_work=aux_work): if result != (pow_hash <= aux_work['target']): print >> sys.stderr, 'Merged block submittal result: %s Expected: %s' % ( result, pow_hash <= aux_work['target']) else: print 'Merged block submittal result: %s' % ( result, ) @df.addErrback def _(err): log.err(err, 'Error submitting merged block:') except: log.err(None, 'Error while processing merged mining POW:') if pow_hash <= share_info[ 'bits'].target and header_hash not in received_header_hashes: last_txout_nonce = pack.IntType( 8 * self.COINBASE_NONCE_LENGTH).unpack(coinbase_nonce) share = get_share(header, last_txout_nonce) print 'GOT SHARE! %s %s prev %s age %.2fs%s' % ( user, p2pool_data.format_hash(share.hash), p2pool_data.format_hash(share.previous_hash), time.time() - getwork_time, ' DEAD ON ARRIVAL' if not on_time else '', ) # Code to send pushover notification when a share is found by a miner (ikolubr - Mar 31st, 2018) if self.node.net.USE_PUSHOVER_SHARE: conn = httplib.HTTPSConnection("api.pushover.net:443") conn.request( "POST", "/1/messages.json", urllib.urlencode({ "token": self.node.net.PUSHOVER_APP_TOKEN, "user": self.node.net.PUSHOVER_USER_KEY, "message": 'FOUND SHARE! %s' % (user), }), {"Content-type": "application/x-www-form-urlencoded"}) conn.getresponse() self.my_share_hashes.add(share.hash) if not on_time: self.my_doa_share_hashes.add(share.hash) self.node.tracker.add(share) self.node.set_best_share() try: if (pow_hash <= header['bits'].target or p2pool.DEBUG) and self.node.p2p_node is not None: self.node.p2p_node.broadcast_share(share.hash) except: log.err(None, 'Error forwarding block solution:') self.share_received.happened( bitcoin_data.target_to_average_attempts(share.target), not on_time, share.hash) if pow_hash > target: print 'Worker %s submitted share with hash > target:' % ( user, ) print ' Hash: %56x' % (pow_hash, ) print ' Target: %56x' % (target, ) elif header_hash in received_header_hashes: print >> sys.stderr, 'Worker %s submitted share more than once!' % ( user, ) else: received_header_hashes.add(header_hash) self.pseudoshare_received.happened( bitcoin_data.target_to_average_attempts(target), not on_time, user) self.recent_shares_ts_work.append( (time.time(), bitcoin_data.target_to_average_attempts(target))) while len(self.recent_shares_ts_work) > 50: self.recent_shares_ts_work.pop(0) self.local_rate_monitor.add_datum( dict(work=bitcoin_data.target_to_average_attempts(target), dead=not on_time, user=user, share_target=share_info['bits'].target)) self.local_addr_rate_monitor.add_datum( dict(work=bitcoin_data.target_to_average_attempts(target), pubkey_hash=pubkey_hash)) return on_time
def got_response(header, user, coinbase_nonce): assert len(coinbase_nonce) == self.COINBASE_NONCE_LENGTH new_packed_gentx = ( packed_gentx[: -self.COINBASE_NONCE_LENGTH - 4] + coinbase_nonce + packed_gentx[-4:] if coinbase_nonce != "\0" * self.COINBASE_NONCE_LENGTH else packed_gentx ) new_gentx = ( bitcoin_data.tx_type.unpack(new_packed_gentx) if coinbase_nonce != "\0" * self.COINBASE_NONCE_LENGTH else gentx ) header_hash = bitcoin_data.hash256(bitcoin_data.block_header_type.pack(header)) pow_hash = self.node.net.PARENT.POW_FUNC(bitcoin_data.block_header_type.pack(header)) try: if pow_hash <= header["bits"].target or p2pool.DEBUG: helper.submit_block( dict(header=header, txs=[new_gentx] + other_transactions), False, self.node.factory, self.node.bitcoind, self.node.bitcoind_work, self.node.net, ) if pow_hash <= header["bits"].target: print print "GOT BLOCK FROM MINER! Passing to bitcoind! %s%064x" % ( self.node.net.PARENT.BLOCK_EXPLORER_URL_PREFIX, header_hash, ) print except: log.err(None, "Error while processing potential block:") user, _, _, _ = self.get_user_details(user) assert header["previous_block"] == ba["previous_block"] assert header["merkle_root"] == bitcoin_data.check_merkle_link( bitcoin_data.hash256(new_packed_gentx), merkle_link ) assert header["bits"] == ba["bits"] # Check momentum using midhash (who knows why it is called that) and birthday values midhash = hashlib.sha256(hashlib.sha256(bitcoin_data.block_header_type.pack(header)[:80]).digest()).digest() # print 'MIDHASH: {0}'.format(midhash.encode('hex')) # print 'A: {0}'.format(header['birthdayA']) # print 'B: {0}'.format(header['birthdayB']) momentumc = rewardcoin_momentum.checkMomentum(midhash, header["birthdayA"], header["birthdayB"]) # print momentumc if momentumc == False: print "Invalid Momentum from Client!" return False on_time = self.new_work_event.times == lp_count for aux_work, index, hashes in mm_later: try: if pow_hash <= aux_work["target"] or p2pool.DEBUG: df = deferral.retry("Error submitting merged block: (will retry)", 10, 10)( aux_work["merged_proxy"].rpc_getauxblock )( pack.IntType(256, "big").pack(aux_work["hash"]).encode("hex"), bitcoin_data.aux_pow_type.pack( dict( merkle_tx=dict(tx=new_gentx, block_hash=header_hash, merkle_link=merkle_link), merkle_link=bitcoin_data.calculate_merkle_link(hashes, index), parent_block_header=header, ) ).encode("hex"), ) @df.addCallback def _(result, aux_work=aux_work): if result != (pow_hash <= aux_work["target"]): print >> sys.stderr, "Merged block submittal result: %s Expected: %s" % ( result, pow_hash <= aux_work["target"], ) else: print "Merged block submittal result: %s" % (result,) @df.addErrback def _(err): log.err(err, "Error submitting merged block:") except: log.err(None, "Error while processing merged mining POW:") if pow_hash <= share_info["bits"].target and header_hash not in received_header_hashes: last_txout_nonce = pack.IntType(8 * self.COINBASE_NONCE_LENGTH).unpack(coinbase_nonce) share = get_share(header, last_txout_nonce) print "GOT SHARE! %s %s prev %s age %.2fs%s" % ( user, p2pool_data.format_hash(share.hash), p2pool_data.format_hash(share.previous_hash), time.time() - getwork_time, " DEAD ON ARRIVAL" if not on_time else "", ) self.my_share_hashes.add(share.hash) if not on_time: self.my_doa_share_hashes.add(share.hash) self.node.tracker.add(share) self.node.set_best_share() try: if (pow_hash <= header["bits"].target or p2pool.DEBUG) and self.node.p2p_node is not None: self.node.p2p_node.broadcast_share(share.hash) except: log.err(None, "Error forwarding block solution:") self.share_received.happened( bitcoin_data.target_to_average_attempts(share.target), not on_time, share.hash ) if pow_hash > target: print "Worker %s submitted share with hash > target:" % (user,) print " Hash: %56x" % (pow_hash,) print " Target: %56x" % (target,) elif header_hash in received_header_hashes: print >> sys.stderr, "Worker %s submitted share more than once!" % (user,) else: received_header_hashes.add(header_hash) self.pseudoshare_received.happened(bitcoin_data.target_to_average_attempts(target), not on_time, user) self.recent_shares_ts_work.append((time.time(), bitcoin_data.target_to_average_attempts(target))) while len(self.recent_shares_ts_work) > 50: self.recent_shares_ts_work.pop(0) self.local_rate_monitor.add_datum( dict( work=bitcoin_data.target_to_average_attempts(target), dead=not on_time, user=user, share_target=share_info["bits"].target, ) ) self.local_addr_rate_monitor.add_datum( dict(work=bitcoin_data.target_to_average_attempts(target), pubkey_hash=pubkey_hash) ) return on_time
def get_work(self, pubkey_hash, desired_share_target, desired_pseudoshare_target): if self.node.best_share_var.value is None and self.node.net.PERSIST: raise jsonrpc.Error_for_code(-12345)(u'p2pool is downloading shares') if self.merged_work.value: tree, size = bitcoin_data.make_auxpow_tree(self.merged_work.value) mm_hashes = [self.merged_work.value.get(tree.get(i), dict(hash=0))['hash'] for i in xrange(size)] mm_data = '\xfa\xbemm' + bitcoin_data.aux_pow_coinbase_type.pack(dict( merkle_root=bitcoin_data.merkle_hash(mm_hashes), size=size, nonce=0, )) mm_later = [(aux_work, mm_hashes.index(aux_work['hash']), mm_hashes) for chain_id, aux_work in self.merged_work.value.iteritems()] else: mm_data = '' mm_later = [] tx_hashes = [bitcoin_data.hash256(bitcoin_data.tx_type.pack(tx)) for tx in self.current_work.value['transactions']] tx_map = dict(zip(tx_hashes, self.current_work.value['transactions'])) previous_share = self.node.tracker.items[self.node.best_share_var.value] if self.node.best_share_var.value is not None else None if previous_share is None: share_type = p2pool_data.Share else: previous_share_type = type(previous_share) if previous_share_type.SUCCESSOR is None or self.node.tracker.get_height(previous_share.hash) < self.node.net.CHAIN_LENGTH: share_type = previous_share_type else: successor_type = previous_share_type.SUCCESSOR counts = p2pool_data.get_desired_version_counts(self.node.tracker, self.node.tracker.get_nth_parent_hash(previous_share.hash, self.node.net.CHAIN_LENGTH*9//10), self.node.net.CHAIN_LENGTH//10) upgraded = counts.get(successor_type.VERSION, 0)/sum(counts.itervalues()) if upgraded > .65: print 'Switchover imminent. Upgraded: %.3f%% Threshold: %.3f%%' % (upgraded*100, 95) print # Share -> NewShare only valid if 95% of hashes in [net.CHAIN_LENGTH*9//10, net.CHAIN_LENGTH] for new version if counts.get(successor_type.VERSION, 0) > sum(counts.itervalues())*95//100: share_type = successor_type else: share_type = previous_share_type if desired_share_target is None: desired_share_target = 2**256-1 # will be reduced to SANE_TARGET_RANGE later local_hash_rate = self._estimate_local_hash_rate() if local_hash_rate is not None: desired_share_target = min(desired_share_target, bitcoin_data.average_attempts_to_target(local_hash_rate * self.node.net.SHARE_PERIOD / 0.0167)) # limit to 1.67% of pool shares by modulating share difficulty local_addr_rates = self.get_local_addr_rates() lookbehind = 3600//self.node.net.SHARE_PERIOD block_subsidy = self.node.bitcoind_work.value['subsidy'] if previous_share is not None and self.node.tracker.get_height(previous_share.hash) > lookbehind: expected_payout_per_block = local_addr_rates.get(pubkey_hash, 0)/p2pool_data.get_pool_attempts_per_second(self.node.tracker, self.node.best_share_var.value, lookbehind) \ * block_subsidy*(1-self.donation_percentage/100) # XXX doesn't use global stale rate to compute pool hash if expected_payout_per_block < self.node.net.PARENT.DUST_THRESHOLD: desired_share_target = min(desired_share_target, bitcoin_data.average_attempts_to_target((bitcoin_data.target_to_average_attempts(self.node.bitcoind_work.value['bits'].target)*self.node.net.SPREAD)*self.node.net.PARENT.DUST_THRESHOLD/block_subsidy) ) if True: share_info, gentx, other_transaction_hashes, get_share = share_type.generate_transaction( tracker=self.node.tracker, share_data=dict( previous_share_hash=self.node.best_share_var.value, coinbase=(script.create_push_script([ self.current_work.value['height'], ] + ([mm_data] if mm_data else []) + [ ]) + self.current_work.value['coinbaseflags'])[:100], nonce=random.randrange(2**32), pubkey_hash=pubkey_hash, subsidy=self.current_work.value['subsidy'], donation=math.perfect_round(65535*self.donation_percentage/100), stale_info=(lambda (orphans, doas), total, (orphans_recorded_in_chain, doas_recorded_in_chain): 'orphan' if orphans > orphans_recorded_in_chain else 'doa' if doas > doas_recorded_in_chain else None )(*self.get_stale_counts()), desired_version=(share_type.SUCCESSOR if share_type.SUCCESSOR is not None else share_type).VOTING_VERSION, ), block_target=self.current_work.value['bits'].target, desired_timestamp=int(time.time() + 0.5), desired_target=desired_share_target, ref_merkle_link=dict(branch=[], index=0), desired_other_transaction_hashes_and_fees=zip(tx_hashes, self.current_work.value['transaction_fees']), net=self.node.net, known_txs=tx_map, base_subsidy=self.node.net.PARENT.SUBSIDY_FUNC(self.current_work.value['height']), ) packed_gentx = bitcoin_data.tx_type.pack(gentx) other_transactions = [tx_map[tx_hash] for tx_hash in other_transaction_hashes] mm_later = [(dict(aux_work, target=aux_work['target'] if aux_work['target'] == 'p2pool' else share_info['bits'].target), index, hashes) for aux_work, index, hashes in mm_later] if desired_pseudoshare_target is None: target = 2**256-1 local_hash_rate = self._estimate_local_hash_rate() if local_hash_rate is not None: target = min(target, bitcoin_data.average_attempts_to_target(local_hash_rate * 1)) # limit to 1 share response every second by modulating pseudoshare difficulty else: target = desired_pseudoshare_target # target = max(target, share_info['bits'].target) for aux_work, index, hashes in mm_later: target = max(target, aux_work['target']) target = math.clip(target, self.node.net.PARENT.SANE_TARGET_RANGE) getwork_time = time.time() lp_count = self.new_work_event.times merkle_link = bitcoin_data.calculate_merkle_link([None] + other_transaction_hashes, 0) print 'New work for worker! Difficulty: %.06f Share difficulty: %.08f Total block value: %.6f %s including %i transactions' % ( bitcoin_data.target_to_difficulty(target), bitcoin_data.target_to_difficulty(share_info['bits'].target), self.current_work.value['subsidy']*1e-8, self.node.net.PARENT.SYMBOL, len(self.current_work.value['transactions']), ) ba = dict( version=min(self.current_work.value['version'], 2), previous_block=self.current_work.value['previous_block'], merkle_link=merkle_link, coinb1=packed_gentx[:-self.COINBASE_NONCE_LENGTH-4], coinb2=packed_gentx[-4:], timestamp=self.current_work.value['time'], bits=self.current_work.value['bits'], share_target=target, ) received_header_hashes = set() def got_response(header, user, coinbase_nonce): assert len(coinbase_nonce) == self.COINBASE_NONCE_LENGTH new_packed_gentx = packed_gentx[:-self.COINBASE_NONCE_LENGTH-4] + coinbase_nonce + packed_gentx[-4:] if coinbase_nonce != '\0'*self.COINBASE_NONCE_LENGTH else packed_gentx new_gentx = bitcoin_data.tx_type.unpack(new_packed_gentx) if coinbase_nonce != '\0'*self.COINBASE_NONCE_LENGTH else gentx header_hash = bitcoin_data.hash256(bitcoin_data.block_header_type.pack(header)) pow_hash = self.node.net.PARENT.POW_FUNC(bitcoin_data.block_header_type.pack(header)) try: if pow_hash <= header['bits'].target or p2pool.DEBUG: helper.submit_block(dict(header=header, txs=[new_gentx] + other_transactions), False, self.node.factory, self.node.bitcoind, self.node.bitcoind_work, self.node.net) if pow_hash <= header['bits'].target: print print 'GOT BLOCK FROM MINER! Passing to bitcoind! %s%064x' % (self.node.net.PARENT.BLOCK_EXPLORER_URL_PREFIX, header_hash) print except: log.err(None, 'Error while processing potential block:') user, _, _, _ = self.get_user_details(user) assert header['previous_block'] == ba['previous_block'] assert header['merkle_root'] == bitcoin_data.check_merkle_link(bitcoin_data.hash256(new_packed_gentx), merkle_link) assert header['bits'] == ba['bits'] on_time = self.new_work_event.times == lp_count for aux_work, index, hashes in mm_later: try: if pow_hash <= aux_work['target'] or p2pool.DEBUG: df = deferral.retry('Error submitting merged block: (will retry)', 10, 10)(aux_work['merged_proxy'].rpc_getauxblock)( pack.IntType(256, 'big').pack(aux_work['hash']).encode('hex'), # neoscrypt uses little endian only # pack.IntType(256, 'little').pack(aux_work['hash']).encode('hex'), bitcoin_data.aux_pow_type.pack(dict( merkle_tx=dict( tx=new_gentx, block_hash=header_hash, merkle_link=merkle_link, ), merkle_link=bitcoin_data.calculate_merkle_link(hashes, index), parent_block_header=header, )).encode('hex'), ) @df.addCallback def _(result, aux_work=aux_work): if result != (pow_hash <= aux_work['target']): print >>sys.stderr, 'Merged block submittal result: %s Expected: %s' % (result, pow_hash <= aux_work['target']) else: print 'Merged block submittal result: %s' % (result,) @df.addErrback def _(err): log.err(err, 'Error submitting merged block:') except: log.err(None, 'Error while processing merged mining POW:') if pow_hash <= share_info['bits'].target and header_hash not in received_header_hashes: last_txout_nonce = pack.IntType(8*self.COINBASE_NONCE_LENGTH).unpack(coinbase_nonce) share = get_share(header, last_txout_nonce) print 'GOT SHARE! %s %s prev %s age %.2fs%s' % ( user, p2pool_data.format_hash(share.hash), p2pool_data.format_hash(share.previous_hash), time.time() - getwork_time, ' DEAD ON ARRIVAL' if not on_time else '', ) self.my_share_hashes.add(share.hash) if not on_time: self.my_doa_share_hashes.add(share.hash) self.node.tracker.add(share) self.node.set_best_share() try: if (pow_hash <= header['bits'].target or p2pool.DEBUG) and self.node.p2p_node is not None: self.node.p2p_node.broadcast_share(share.hash) except: log.err(None, 'Error forwarding block solution:') self.share_received.happened(bitcoin_data.target_to_average_attempts(share.target), not on_time, share.hash) if p2pool.DEBUG: print 'Hash: %X' % (pow_hash) print 'Target: %X' % (target) if pow_hash > target: print 'Worker %s submitted share with hash > target:' % (user,) elif header_hash in received_header_hashes: print >>sys.stderr, 'Worker %s submitted share more than once!' % (user,) else: received_header_hashes.add(header_hash) self.pseudoshare_received.happened(bitcoin_data.target_to_average_attempts(target), not on_time, user) self.recent_shares_ts_work.append((time.time(), bitcoin_data.target_to_average_attempts(target))) while len(self.recent_shares_ts_work) > 50: self.recent_shares_ts_work.pop(0) self.local_rate_monitor.add_datum(dict(work=bitcoin_data.target_to_average_attempts(target), dead=not on_time, user=user, share_target=share_info['bits'].target)) self.local_addr_rate_monitor.add_datum(dict(work=bitcoin_data.target_to_average_attempts(target), pubkey_hash=pubkey_hash)) return on_time return ba, got_response
def get_work(self, pubkey_hash, desired_share_target, desired_pseudoshare_target): if self.node.best_share_var.value is None and self.node.net.PERSIST: raise jsonrpc.Error_for_code(-12345)(u"p2pool is downloading shares") if self.merged_work.value: tree, size = bitcoin_data.make_auxpow_tree(self.merged_work.value) mm_hashes = [self.merged_work.value.get(tree.get(i), dict(hash=0))["hash"] for i in xrange(size)] mm_data = "\xfa\xbemm" + bitcoin_data.aux_pow_coinbase_type.pack( dict(merkle_root=bitcoin_data.merkle_hash(mm_hashes), size=size, nonce=0) ) mm_later = [ (aux_work, mm_hashes.index(aux_work["hash"]), mm_hashes) for chain_id, aux_work in self.merged_work.value.iteritems() ] else: mm_data = "" mm_later = [] tx_hashes = [ bitcoin_data.hash256(bitcoin_data.tx_type.pack(tx)) for tx in self.current_work.value["transactions"] ] tx_map = dict(zip(tx_hashes, self.current_work.value["transactions"])) previous_share = ( self.node.tracker.items[self.node.best_share_var.value] if self.node.best_share_var.value is not None else None ) if previous_share is None: share_type = p2pool_data.Share else: previous_share_type = type(previous_share) if ( previous_share_type.SUCCESSOR is None or self.node.tracker.get_height(previous_share.hash) < self.node.net.CHAIN_LENGTH ): share_type = previous_share_type else: successor_type = previous_share_type.SUCCESSOR counts = p2pool_data.get_desired_version_counts( self.node.tracker, self.node.tracker.get_nth_parent_hash(previous_share.hash, self.node.net.CHAIN_LENGTH * 9 // 10), self.node.net.CHAIN_LENGTH // 10, ) upgraded = counts.get(successor_type.VERSION, 0) / sum(counts.itervalues()) if upgraded > 0.65: print "Switchover imminent. Upgraded: %.3f%% Threshold: %.3f%%" % (upgraded * 100, 95) print # Share -> NewShare only valid if 95% of hashes in [net.CHAIN_LENGTH*9//10, net.CHAIN_LENGTH] for new version if counts.get(successor_type.VERSION, 0) > sum(counts.itervalues()) * 95 // 100: share_type = successor_type else: share_type = previous_share_type if desired_share_target is None: desired_share_target = 2 ** 256 - 1 local_hash_rate = self._estimate_local_hash_rate() if local_hash_rate is not None: desired_share_target = min( desired_share_target, bitcoin_data.average_attempts_to_target(local_hash_rate * self.node.net.SHARE_PERIOD / 0.0167), ) # limit to 1.67% of pool shares by modulating share difficulty local_addr_rates = self.get_local_addr_rates() lookbehind = 3600 // self.node.net.SHARE_PERIOD block_subsidy = self.node.bitcoind_work.value["subsidy"] if previous_share is not None and self.node.tracker.get_height(previous_share.hash) > lookbehind: expected_payout_per_block = ( local_addr_rates.get(pubkey_hash, 0) / p2pool_data.get_pool_attempts_per_second( self.node.tracker, self.node.best_share_var.value, lookbehind ) * block_subsidy * (1 - self.donation_percentage / 100) ) # XXX doesn't use global stale rate to compute pool hash if expected_payout_per_block < self.node.net.PARENT.DUST_THRESHOLD: desired_share_target = min( desired_share_target, bitcoin_data.average_attempts_to_target( ( bitcoin_data.target_to_average_attempts(self.node.bitcoind_work.value["bits"].target) * self.node.net.SPREAD ) * self.node.net.PARENT.DUST_THRESHOLD / block_subsidy ), ) if True: share_info, gentx, other_transaction_hashes, get_share = share_type.generate_transaction( tracker=self.node.tracker, share_data=dict( previous_share_hash=self.node.best_share_var.value, coinbase=( script.create_push_script( [self.current_work.value["height"]] + ([mm_data] if mm_data else []) + [] ) + self.current_work.value["coinbaseflags"] )[:100], nonce=random.randrange(2 ** 32), pubkey_hash=pubkey_hash, subsidy=self.current_work.value["subsidy"], donation=math.perfect_round(65535 * self.donation_percentage / 100), stale_info=( lambda (orphans, doas), total, (orphans_recorded_in_chain, doas_recorded_in_chain): "orphan" if orphans > orphans_recorded_in_chain else "doa" if doas > doas_recorded_in_chain else None )(*self.get_stale_counts()), desired_version=( share_type.SUCCESSOR if share_type.SUCCESSOR is not None else share_type ).VOTING_VERSION, ), block_target=self.current_work.value["bits"].target, desired_timestamp=int(time.time() + 0.5), desired_target=desired_share_target, ref_merkle_link=dict(branch=[], index=0), desired_other_transaction_hashes_and_fees=zip(tx_hashes, self.current_work.value["transaction_fees"]), net=self.node.net, known_txs=tx_map, base_subsidy=self.node.net.PARENT.SUBSIDY_FUNC(self.current_work.value["height"]), ) packed_gentx = bitcoin_data.tx_type.pack(gentx) other_transactions = [tx_map[tx_hash] for tx_hash in other_transaction_hashes] mm_later = [ ( dict( aux_work, target=aux_work["target"] if aux_work["target"] != "p2pool" else share_info["bits"].target ), index, hashes, ) for aux_work, index, hashes in mm_later ] if desired_pseudoshare_target is None: target = 2 ** 256 - 1 local_hash_rate = self._estimate_local_hash_rate() if local_hash_rate is not None: target = min( target, bitcoin_data.average_attempts_to_target(local_hash_rate * 3) ) # limit to 1 share response every 3 seconds by modulating pseudoshare difficulty else: target = desired_pseudoshare_target target = max(target, share_info["bits"].target) for aux_work, index, hashes in mm_later: target = max(target, aux_work["target"]) target = math.clip(target, self.node.net.PARENT.SANE_TARGET_RANGE) getwork_time = time.time() lp_count = self.new_work_event.times merkle_link = bitcoin_data.calculate_merkle_link([None] + other_transaction_hashes, 0) print "New work for worker! Difficulty: %.09f Share difficulty: %.09f Total block value: %.6f %s including %i transactions" % ( bitcoin_data.target_to_difficulty(target), bitcoin_data.target_to_difficulty(share_info["bits"].target), self.current_work.value["subsidy"] * 1e-8, self.node.net.PARENT.SYMBOL, len(self.current_work.value["transactions"]), ) ba = dict( version=min(self.current_work.value["version"], 2), previous_block=self.current_work.value["previous_block"], merkle_link=merkle_link, coinb1=packed_gentx[: -self.COINBASE_NONCE_LENGTH - 4], coinb2=packed_gentx[-4:], timestamp=self.current_work.value["time"], bits=self.current_work.value["bits"], share_target=target, ) received_header_hashes = set() def got_response(header, user, coinbase_nonce): assert len(coinbase_nonce) == self.COINBASE_NONCE_LENGTH new_packed_gentx = ( packed_gentx[: -self.COINBASE_NONCE_LENGTH - 4] + coinbase_nonce + packed_gentx[-4:] if coinbase_nonce != "\0" * self.COINBASE_NONCE_LENGTH else packed_gentx ) new_gentx = ( bitcoin_data.tx_type.unpack(new_packed_gentx) if coinbase_nonce != "\0" * self.COINBASE_NONCE_LENGTH else gentx ) header_hash = bitcoin_data.hash256(bitcoin_data.block_header_type.pack(header)) pow_hash = self.node.net.PARENT.POW_FUNC(bitcoin_data.block_header_type.pack(header)) try: if pow_hash <= header["bits"].target or p2pool.DEBUG: helper.submit_block( dict(header=header, txs=[new_gentx] + other_transactions), False, self.node.factory, self.node.bitcoind, self.node.bitcoind_work, self.node.net, ) if pow_hash <= header["bits"].target: print print "GOT BLOCK FROM MINER! Passing to bitcoind! %s%064x" % ( self.node.net.PARENT.BLOCK_EXPLORER_URL_PREFIX, header_hash, ) print except: log.err(None, "Error while processing potential block:") user, _, _, _ = self.get_user_details(user) assert header["previous_block"] == ba["previous_block"] assert header["merkle_root"] == bitcoin_data.check_merkle_link( bitcoin_data.hash256(new_packed_gentx), merkle_link ) assert header["bits"] == ba["bits"] # Check momentum using midhash (who knows why it is called that) and birthday values midhash = hashlib.sha256(hashlib.sha256(bitcoin_data.block_header_type.pack(header)[:80]).digest()).digest() # print 'MIDHASH: {0}'.format(midhash.encode('hex')) # print 'A: {0}'.format(header['birthdayA']) # print 'B: {0}'.format(header['birthdayB']) momentumc = rewardcoin_momentum.checkMomentum(midhash, header["birthdayA"], header["birthdayB"]) # print momentumc if momentumc == False: print "Invalid Momentum from Client!" return False on_time = self.new_work_event.times == lp_count for aux_work, index, hashes in mm_later: try: if pow_hash <= aux_work["target"] or p2pool.DEBUG: df = deferral.retry("Error submitting merged block: (will retry)", 10, 10)( aux_work["merged_proxy"].rpc_getauxblock )( pack.IntType(256, "big").pack(aux_work["hash"]).encode("hex"), bitcoin_data.aux_pow_type.pack( dict( merkle_tx=dict(tx=new_gentx, block_hash=header_hash, merkle_link=merkle_link), merkle_link=bitcoin_data.calculate_merkle_link(hashes, index), parent_block_header=header, ) ).encode("hex"), ) @df.addCallback def _(result, aux_work=aux_work): if result != (pow_hash <= aux_work["target"]): print >> sys.stderr, "Merged block submittal result: %s Expected: %s" % ( result, pow_hash <= aux_work["target"], ) else: print "Merged block submittal result: %s" % (result,) @df.addErrback def _(err): log.err(err, "Error submitting merged block:") except: log.err(None, "Error while processing merged mining POW:") if pow_hash <= share_info["bits"].target and header_hash not in received_header_hashes: last_txout_nonce = pack.IntType(8 * self.COINBASE_NONCE_LENGTH).unpack(coinbase_nonce) share = get_share(header, last_txout_nonce) print "GOT SHARE! %s %s prev %s age %.2fs%s" % ( user, p2pool_data.format_hash(share.hash), p2pool_data.format_hash(share.previous_hash), time.time() - getwork_time, " DEAD ON ARRIVAL" if not on_time else "", ) self.my_share_hashes.add(share.hash) if not on_time: self.my_doa_share_hashes.add(share.hash) self.node.tracker.add(share) self.node.set_best_share() try: if (pow_hash <= header["bits"].target or p2pool.DEBUG) and self.node.p2p_node is not None: self.node.p2p_node.broadcast_share(share.hash) except: log.err(None, "Error forwarding block solution:") self.share_received.happened( bitcoin_data.target_to_average_attempts(share.target), not on_time, share.hash ) if pow_hash > target: print "Worker %s submitted share with hash > target:" % (user,) print " Hash: %56x" % (pow_hash,) print " Target: %56x" % (target,) elif header_hash in received_header_hashes: print >> sys.stderr, "Worker %s submitted share more than once!" % (user,) else: received_header_hashes.add(header_hash) self.pseudoshare_received.happened(bitcoin_data.target_to_average_attempts(target), not on_time, user) self.recent_shares_ts_work.append((time.time(), bitcoin_data.target_to_average_attempts(target))) while len(self.recent_shares_ts_work) > 50: self.recent_shares_ts_work.pop(0) self.local_rate_monitor.add_datum( dict( work=bitcoin_data.target_to_average_attempts(target), dead=not on_time, user=user, share_target=share_info["bits"].target, ) ) self.local_addr_rate_monitor.add_datum( dict(work=bitcoin_data.target_to_average_attempts(target), pubkey_hash=pubkey_hash) ) return on_time return ba, got_response
def got_response(header, username, coinbase_nonce, pseudoshare_target): t0 = time.time() assert len(coinbase_nonce) == self.COINBASE_NONCE_LENGTH new_packed_gentx = packed_gentx[:-self.COINBASE_NONCE_LENGTH - 4] + coinbase_nonce + packed_gentx[ -4:] if coinbase_nonce != '\0' * self.COINBASE_NONCE_LENGTH else packed_gentx new_gentx = bitcoin_data.tx_type.unpack( new_packed_gentx ) if coinbase_nonce != '\0' * self.COINBASE_NONCE_LENGTH else gentx if bitcoin_data.is_segwit_tx( gentx ): # reintroduce witness data to the gentx produced by stratum miners new_gentx['marker'] = 0 new_gentx['flag'] = gentx['flag'] new_gentx['witness'] = gentx['witness'] header_hash = bitcoin_data.hash256( bitcoin_data.block_header_type.pack(header)) pow_hash = self.node.net.PARENT.POW_FUNC( bitcoin_data.block_header_type.pack(header)) try: if pow_hash <= header['bits'].target or p2pool.DEBUG: if pow_hash <= header['bits'].target: print print 'GOT BLOCK FROM MINER! Passing to bitcoind! %s%064x' % ( self.node.net.PARENT.BLOCK_EXPLORER_URL_PREFIX, header_hash) print helper.submit_block( dict(header=header, txs=[new_gentx] + other_transactions), False, self.node) except: log.err(None, 'Error while processing potential block:') username, _, _, _ = self.get_user_details(username) assert header['previous_block'] == ba['previous_block'] assert header['merkle_root'] == bitcoin_data.check_merkle_link( bitcoin_data.hash256(new_packed_gentx), merkle_link) assert header['bits'] == ba['bits'] on_time = self.new_work_event.times == lp_count for aux_work, index, hashes in mm_later: try: if pow_hash <= aux_work['target'] or p2pool.DEBUG: df = deferral.retry( 'Error submitting merged block: (will retry)', 10, 10)(aux_work['merged_proxy'].rpc_getauxblock)( pack.IntType(256, 'big').pack( aux_work['hash']).encode('hex'), bitcoin_data.aux_pow_type.pack( dict( merkle_tx=dict( tx=new_gentx, block_hash=header_hash, merkle_link=merkle_link, ), merkle_link=bitcoin_data. calculate_merkle_link(hashes, index), parent_block_header=header, )).encode('hex'), ) @df.addCallback def _(result, aux_work=aux_work): if result != (pow_hash <= aux_work['target']): print >> sys.stderr, 'Merged block submittal result: %s Expected: %s' % ( result, pow_hash <= aux_work['target']) else: print 'Merged block submittal result: %s' % ( result, ) @df.addErrback def _(err): log.err(err, 'Error submitting merged block:') except: log.err(None, 'Error while processing merged mining POW:') if pow_hash <= share_info[ 'bits'].target and header_hash not in received_header_hashes: last_txout_nonce = pack.IntType( 8 * self.COINBASE_NONCE_LENGTH).unpack(coinbase_nonce) share = get_share(header, last_txout_nonce) print 'GOT SHARE! %s %s prev %s age %.2fs%s' % ( username, p2pool_data.format_hash(share.hash), p2pool_data.format_hash(share.previous_hash), time.time() - getwork_time, ' DEAD ON ARRIVAL' if not on_time else '', ) if self.node.cur_share_ver < 34: # node.py will sometimes forget transactions if bitcoind's work has changed since this stratum # job was assigned. Fortunately, the tx_map is still in in our scope from this job, so we can use that # to refill it if needed. known_txs = self.node.known_txs_var.value missing = { hsh: val for (hsh, val) in tx_map.iteritems() if not hsh in known_txs } if missing: print "Warning: %i transactions were erroneously evicted from known_txs_var. Refilling now." % len( missing) self.node.known_txs_var.add(missing) self.my_share_hashes.add(share.hash) if not on_time: self.my_doa_share_hashes.add(share.hash) sibling_count = len( self.node.tracker.reverse.get(share.previous_hash, set())) if on_time or sibling_count < 4: self.node.tracker.add(share) else: print "Already have %i DOA shares with this parent. Not adding more." % sibling_count if on_time: self.node.set_best_share() else: print "Not considering work switching to DOA share" try: if (pow_hash <= header['bits'].target or p2pool.DEBUG) and self.node.p2p_node is not None: self.node.p2p_node.broadcast_share(share.hash) except: log.err(None, 'Error forwarding block solution:') self.share_received.happened( bitcoin_data.target_to_average_attempts(share.target), not on_time, share.hash) if pow_hash > pseudoshare_target: print 'Worker %s submitted share with hash > target:' % ( username, ) print ' Hash: %064x' % (pow_hash, ) print ' Target: %064x' % (pseudoshare_target, ) elif header_hash in received_header_hashes: print >> sys.stderr, 'Worker %s submitted share more than once!' % ( username, ) else: received_header_hashes.add(header_hash) self.pseudoshare_received.happened( bitcoin_data.target_to_average_attempts( pseudoshare_target), not on_time, username) self.recent_shares_ts_work.append( (time.time(), bitcoin_data.target_to_average_attempts( pseudoshare_target))) while len(self.recent_shares_ts_work) > 50: self.recent_shares_ts_work.pop(0) self.local_rate_monitor.add_datum( dict(work=bitcoin_data.target_to_average_attempts( pseudoshare_target), dead=not on_time, user=username, share_target=share_info['bits'].target)) self.local_addr_rate_monitor.add_datum( dict(work=bitcoin_data.target_to_average_attempts( pseudoshare_target), address=address)) t1 = time.time() if p2pool.BENCH and (t1 - t0) > .01: print "%8.3f ms for work.py:got_response(%s)" % ( (t1 - t0) * 1000., username) return on_time
def get_work(self, user, address, desired_share_target, desired_pseudoshare_target, worker_ip=None): global print_throttle t0 = time.time() if (self.node.p2p_node is None or len(self.node.p2p_node.peers) == 0) and self.node.net.PERSIST: raise jsonrpc.Error_for_code(-12345)( u'p2pool is not connected to any peers') if self.node.best_share_var.value is None and self.node.net.PERSIST: raise jsonrpc.Error_for_code(-12345)( u'p2pool is downloading shares') unknown_rules = set( r[1:] if r.startswith('!') else r for r in self.node.bitcoind_work.value['rules'] if r) - set( getattr(self.node.net, 'SOFTFORKS_REQUIRED', [])) if unknown_rules: print "Unknown softforks found: ", unknown_rules print "Required softforks: ", self.node.bitcoind_work.value[ 'rules'], "\tKnown: ", getattr(self.node.net, 'SOFTFORKS_REQUIRED', []) raise jsonrpc.Error_for_code(-12345)(u'unknown rule activated') if self.merged_work.value: tree, size = bitcoin_data.make_auxpow_tree(self.merged_work.value) mm_hashes = [ self.merged_work.value.get(tree.get(i), dict(hash=0))['hash'] for i in xrange(size) ] mm_data = '\xfa\xbemm' + bitcoin_data.aux_pow_coinbase_type.pack( dict( merkle_root=bitcoin_data.merkle_hash(mm_hashes), size=size, nonce=0, )) mm_later = [ (aux_work, mm_hashes.index(aux_work['hash']), mm_hashes) for chain_id, aux_work in self.merged_work.value.iteritems() ] else: mm_data = '' mm_later = [] tx_hashes = self.current_work.value['transaction_hashes'] tx_map = dict(zip(tx_hashes, self.current_work.value['transactions'])) self.node.mining2_txs_var.set( tx_map) # let node.py know not to evict these transactions previous_share = self.node.tracker.items[ self.node.best_share_var. value] if self.node.best_share_var.value is not None else None if previous_share is None: share_type = p2pool_data.Share else: previous_share_type = type(previous_share) if previous_share_type.SUCCESSOR is None or self.node.tracker.get_height( previous_share.hash) < self.node.net.CHAIN_LENGTH: share_type = previous_share_type else: successor_type = previous_share_type.SUCCESSOR counts = p2pool_data.get_desired_version_counts( self.node.tracker, self.node.tracker.get_nth_parent_hash( previous_share.hash, self.node.net.CHAIN_LENGTH * 9 // 10), self.node.net.CHAIN_LENGTH // 10) upgraded = counts.get(successor_type.VERSION, 0) / sum( counts.itervalues()) if upgraded > .65: print 'Switchover imminent. Upgraded: %.3f%% Threshold: %.3f%%' % ( upgraded * 100, 95) # Share -> NewShare only valid if 95% of hashes in [net.CHAIN_LENGTH*9//10, net.CHAIN_LENGTH] for new version if counts.get(successor_type.VERSION, 0) > sum(counts.itervalues()) * 95 // 100: share_type = successor_type else: share_type = previous_share_type local_addr_rates = self.get_local_addr_rates() if desired_share_target is None: desired_share_target = 2**256 - 1 #local_hash_rate = self._estimate_local_hash_rate() local_hash_rate = local_addr_rates.get(address, 0) if local_hash_rate > 0.0: desired_share_target = min( desired_share_target, bitcoin_data.average_attempts_to_target( local_hash_rate * self.node.net.SHARE_PERIOD / 0.0167) ) # limit to 1.67% of pool shares by modulating share difficulty # if self.node.punish: # print "trying to punish a share by mining a low-diff share" # desired_share_target = bitcoin_data.difficulty_to_target(1.) local_addr_rates = self.get_local_addr_rates() lookbehind = 3600 // self.node.net.SHARE_PERIOD block_subsidy = self.node.bitcoind_work.value['subsidy'] if previous_share is not None and self.node.tracker.get_height( previous_share.hash) > lookbehind: expected_payout_per_block = local_addr_rates.get(address, 0)* self.node.net.PARENT.DUMB_SCRYPT_DIFF / p2pool_data.get_pool_attempts_per_second(self.node.tracker, self.node.best_share_var.value, lookbehind) \ * block_subsidy*(1-self.donation_percentage/100) # XXX doesn't use global stale rate to compute pool hash if expected_payout_per_block < self.node.net.PARENT.DUST_THRESHOLD: desired_share_target = min( desired_share_target, bitcoin_data.average_attempts_to_target( (bitcoin_data.target_to_average_attempts( self.node.bitcoind_work.value['bits'].target) * self.node.net.SPREAD) * self.node.net.PARENT.DUST_THRESHOLD / block_subsidy)) if True: share_info, gentx, other_transaction_hashes, get_share = share_type.generate_transaction( tracker=self.node.tracker, share_data=dict( previous_share_hash=self.node.best_share_var.value, coinbase=(script.create_push_script([ self.current_work.value['height'], ] + ([mm_data] if mm_data else []) + []) + 'p2p-spb.xyz')[:100], nonce=random.randrange(2**32), address=address, subsidy=self.current_work.value['subsidy'], donation=math.perfect_round(65535 * (0.0 / 100)), stale_info=( lambda (orphans, doas), total, (orphans_recorded_in_chain, doas_recorded_in_chain ): 'orphan' if orphans > orphans_recorded_in_chain else 'doa' if doas > doas_recorded_in_chain else None)( *self.get_stale_counts()), desired_version=(share_type.SUCCESSOR if share_type.SUCCESSOR is not None else share_type).VOTING_VERSION, ), block_target=self.current_work.value['bits'].target, desired_timestamp=int(time.time() + 0.5), desired_target=desired_share_target, ref_merkle_link=dict(branch=[], index=0), desired_other_transaction_hashes_and_fees=zip( tx_hashes, self.current_work.value['transaction_fees']), net=self.node.net, known_txs=tx_map, base_subsidy=self.node.net.PARENT.SUBSIDY_FUNC( self.current_work.value['height']), ) packed_gentx = bitcoin_data.tx_id_type.pack( gentx) # stratum miners work with stripped transactions other_transactions = [ tx_map[tx_hash] for tx_hash in other_transaction_hashes ] del tx_hashes if self.node.cur_share_ver >= 34: tx_map = {} # we can free up this memory now mm_later = [ (dict(aux_work, target=aux_work['target'] if aux_work['target'] != 'p2pool' else share_info['bits'].target), index, hashes) for aux_work, index, hashes in mm_later ] if desired_pseudoshare_target is None: target = 2**256 - 1 local_hash_rate = self._estimate_local_hash_rate() if local_hash_rate is not None: target = min( target, bitcoin_data.average_attempts_to_target(local_hash_rate / 10) ) # target no more than 10 share responses every second node-wide by modulating min pseudoshare difficulty else: # If we don't yet have an estimated node hashrate, then we still need to not undershoot the difficulty. # Otherwise, we might get 1 PH/s of hashrate on difficulty settings appropriate for 1 GH/s. # 1/3000th the difficulty of a full share should be a reasonable upper bound. That way, if # one node has the whole p2pool hashrate, it will still only need to process one pseudoshare # every ~0.01 seconds. block_subsidy = self.node.bitcoind_work.value['subsidy'] target = min( target, 3000 * bitcoin_data.average_attempts_to_target( (bitcoin_data.target_to_average_attempts( self.node.bitcoind_work.value['bits'].target) * self.node.net.SPREAD) * self.node.net.PARENT.DUST_THRESHOLD / block_subsidy)) else: target = desired_pseudoshare_target target = max(target, share_info['bits'].target) for aux_work, index, hashes in mm_later: target = max(target, aux_work['target']) target = math.clip(target, self.node.net.PARENT.SANE_TARGET_RANGE) getwork_time = time.time() lp_count = self.new_work_event.times merkle_link = bitcoin_data.calculate_merkle_link( [None] + other_transaction_hashes, 0) if share_info.get( 'segwit_data', None ) is None else share_info['segwit_data']['txid_merkle_link'] del other_transaction_hashes if print_throttle is 0.0: print_throttle = time.time() else: current_time = time.time() if (current_time - print_throttle) > 5.0: print 'New work! Share diff: %.02f Block value: %.2f %s (%i tx, %.0f kB)' % ( bitcoin_data.target_to_difficulty( share_info['bits'].target), self.current_work.value['subsidy'] * 1e-8, self.node.net.PARENT.SYMBOL, len(self.current_work.value['transactions']), sum((bitcoin_data.get_size(tx) for tx in self.current_work.value['transactions'])) / 1000., ) print_throttle = time.time() #need this for stats self.last_work_shares.value[address] = share_info['bits'] ba = dict( version=max(self.current_work.value['version'], 0x20000000), previous_block=self.current_work.value['previous_block'], merkle_link=merkle_link, coinb1=packed_gentx[:-self.COINBASE_NONCE_LENGTH - 4], coinb2=packed_gentx[-4:], timestamp=self.current_work.value['time'], bits=self.current_work.value['bits'], min_share_target=share_info['bits'].target, share_target=target, ) received_header_hashes = set() def got_response(header, username, coinbase_nonce, pseudoshare_target): t0 = time.time() assert len(coinbase_nonce) == self.COINBASE_NONCE_LENGTH new_packed_gentx = packed_gentx[:-self.COINBASE_NONCE_LENGTH - 4] + coinbase_nonce + packed_gentx[ -4:] if coinbase_nonce != '\0' * self.COINBASE_NONCE_LENGTH else packed_gentx new_gentx = bitcoin_data.tx_type.unpack( new_packed_gentx ) if coinbase_nonce != '\0' * self.COINBASE_NONCE_LENGTH else gentx if bitcoin_data.is_segwit_tx( gentx ): # reintroduce witness data to the gentx produced by stratum miners new_gentx['marker'] = 0 new_gentx['flag'] = gentx['flag'] new_gentx['witness'] = gentx['witness'] header_hash = bitcoin_data.hash256( bitcoin_data.block_header_type.pack(header)) pow_hash = self.node.net.PARENT.POW_FUNC( bitcoin_data.block_header_type.pack(header)) try: if pow_hash <= header['bits'].target or p2pool.DEBUG: if pow_hash <= header['bits'].target: print print 'GOT BLOCK FROM MINER! Passing to bitcoind! %s%064x' % ( self.node.net.PARENT.BLOCK_EXPLORER_URL_PREFIX, header_hash) print helper.submit_block( dict(header=header, txs=[new_gentx] + other_transactions), False, self.node) except: log.err(None, 'Error while processing potential block:') username, _, _, _ = self.get_user_details(username) assert header['previous_block'] == ba['previous_block'] assert header['merkle_root'] == bitcoin_data.check_merkle_link( bitcoin_data.hash256(new_packed_gentx), merkle_link) assert header['bits'] == ba['bits'] on_time = self.new_work_event.times == lp_count for aux_work, index, hashes in mm_later: try: if pow_hash <= aux_work['target'] or p2pool.DEBUG: df = deferral.retry( 'Error submitting merged block: (will retry)', 10, 10)(aux_work['merged_proxy'].rpc_getauxblock)( pack.IntType(256, 'big').pack( aux_work['hash']).encode('hex'), bitcoin_data.aux_pow_type.pack( dict( merkle_tx=dict( tx=new_gentx, block_hash=header_hash, merkle_link=merkle_link, ), merkle_link=bitcoin_data. calculate_merkle_link(hashes, index), parent_block_header=header, )).encode('hex'), ) @df.addCallback def _(result, aux_work=aux_work): if result != (pow_hash <= aux_work['target']): print >> sys.stderr, 'Merged block submittal result: %s Expected: %s' % ( result, pow_hash <= aux_work['target']) else: print 'Merged block submittal result: %s' % ( result, ) @df.addErrback def _(err): log.err(err, 'Error submitting merged block:') except: log.err(None, 'Error while processing merged mining POW:') if pow_hash <= share_info[ 'bits'].target and header_hash not in received_header_hashes: last_txout_nonce = pack.IntType( 8 * self.COINBASE_NONCE_LENGTH).unpack(coinbase_nonce) share = get_share(header, last_txout_nonce) print 'GOT SHARE! %s %s prev %s age %.2fs%s' % ( username, p2pool_data.format_hash(share.hash), p2pool_data.format_hash(share.previous_hash), time.time() - getwork_time, ' DEAD ON ARRIVAL' if not on_time else '', ) if self.node.cur_share_ver < 34: # node.py will sometimes forget transactions if bitcoind's work has changed since this stratum # job was assigned. Fortunately, the tx_map is still in in our scope from this job, so we can use that # to refill it if needed. known_txs = self.node.known_txs_var.value missing = { hsh: val for (hsh, val) in tx_map.iteritems() if not hsh in known_txs } if missing: print "Warning: %i transactions were erroneously evicted from known_txs_var. Refilling now." % len( missing) self.node.known_txs_var.add(missing) self.my_share_hashes.add(share.hash) if not on_time: self.my_doa_share_hashes.add(share.hash) sibling_count = len( self.node.tracker.reverse.get(share.previous_hash, set())) if on_time or sibling_count < 4: self.node.tracker.add(share) else: print "Already have %i DOA shares with this parent. Not adding more." % sibling_count if on_time: self.node.set_best_share() else: print "Not considering work switching to DOA share" try: if (pow_hash <= header['bits'].target or p2pool.DEBUG) and self.node.p2p_node is not None: self.node.p2p_node.broadcast_share(share.hash) except: log.err(None, 'Error forwarding block solution:') self.share_received.happened( bitcoin_data.target_to_average_attempts(share.target), not on_time, share.hash) if pow_hash > pseudoshare_target: print 'Worker %s submitted share with hash > target:' % ( username, ) print ' Hash: %064x' % (pow_hash, ) print ' Target: %064x' % (pseudoshare_target, ) elif header_hash in received_header_hashes: print >> sys.stderr, 'Worker %s submitted share more than once!' % ( username, ) else: received_header_hashes.add(header_hash) self.pseudoshare_received.happened( bitcoin_data.target_to_average_attempts( pseudoshare_target), not on_time, username) self.recent_shares_ts_work.append( (time.time(), bitcoin_data.target_to_average_attempts( pseudoshare_target))) while len(self.recent_shares_ts_work) > 50: self.recent_shares_ts_work.pop(0) self.local_rate_monitor.add_datum( dict(work=bitcoin_data.target_to_average_attempts( pseudoshare_target), dead=not on_time, user=username, share_target=share_info['bits'].target)) self.local_addr_rate_monitor.add_datum( dict(work=bitcoin_data.target_to_average_attempts( pseudoshare_target), address=address)) t1 = time.time() if p2pool.BENCH and (t1 - t0) > .01: print "%8.3f ms for work.py:got_response(%s)" % ( (t1 - t0) * 1000., username) return on_time t1 = time.time() if p2pool.BENCH: print "%8.3f ms for work.py:get_work(%s, %s)" % ( (t1 - t0) * 1000., user, address) return ba, got_response
def got_response(header, request): header_hash = bitcoin_data.hash256(bitcoin_data.block_header_type.pack(header)) pow_hash = self.node.net.PARENT.POW_FUNC(bitcoin_data.block_header_type.pack(header)) try: if pow_hash <= header["bits"].target or p2pool.DEBUG: helper.submit_block( dict(header=header, txs=transactions), False, self.node.factory, self.node.bitcoind, self.node.bitcoind_work, self.node.net, ) if pow_hash <= header["bits"].target: print print "GOT BLOCK FROM MINER! Passing to bitcoind! %s%064x" % ( self.node.net.PARENT.BLOCK_EXPLORER_URL_PREFIX, header_hash, ) print except: log.err(None, "Error while processing potential block:") user, _, _, _ = self.get_user_details(request) assert header["previous_block"] == ba.previous_block assert header["merkle_root"] == ba.merkle_root assert header["bits"] == ba.bits on_time = self.new_work_event.times == lp_count for aux_work, index, hashes in mm_later: try: if pow_hash <= aux_work["target"] or p2pool.DEBUG: df = deferral.retry("Error submitting merged block: (will retry)", 10, 10)( aux_work["merged_proxy"].rpc_getauxblock )( pack.IntType(256, "big").pack(aux_work["hash"]).encode("hex"), bitcoin_data.aux_pow_type.pack( dict( merkle_tx=dict(tx=transactions[0], block_hash=header_hash, merkle_link=merkle_link), merkle_link=bitcoin_data.calculate_merkle_link(hashes, index), parent_block_header=header, ) ).encode("hex"), ) @df.addCallback def _(result, aux_work=aux_work): if result != (pow_hash <= aux_work["target"]): print >> sys.stderr, "Merged block submittal result: %s Expected: %s" % ( result, pow_hash <= aux_work["target"], ) else: print "Merged block submittal result: %s" % (result,) @df.addErrback def _(err): log.err(err, "Error submitting merged block:") except: log.err(None, "Error while processing merged mining POW:") if pow_hash <= share_info["bits"].target and header_hash not in received_header_hashes: share = get_share(header, transactions) print "GOT SHARE! %s %s prev %s age %.2fs%s" % ( request.getUser(), p2pool_data.format_hash(share.hash), p2pool_data.format_hash(share.previous_hash), time.time() - getwork_time, " DEAD ON ARRIVAL" if not on_time else "", ) self.my_share_hashes.add(share.hash) if not on_time: self.my_doa_share_hashes.add(share.hash) self.node.tracker.add(share) if not p2pool.DEBUG: self.node.tracker.verified.add(share) self.node.set_best_share() try: if (pow_hash <= header["bits"].target or p2pool.DEBUG) and self.node.p2p_node is not None: self.node.p2p_node.broadcast_share(share.hash) except: log.err(None, "Error forwarding block solution:") self.share_received.happened(bitcoin_data.target_to_average_attempts(share.target), not on_time) if pow_hash > target: print "Worker %s submitted share with hash > target:" % (request.getUser(),) print " Hash: %56x" % (pow_hash,) print " Target: %56x" % (target,) elif header_hash in received_header_hashes: print >> sys.stderr, "Worker %s @ %s submitted share more than once!" % ( request.getUser(), request.getClientIP(), ) else: received_header_hashes.add(header_hash) self.pseudoshare_received.happened(bitcoin_data.target_to_average_attempts(target), not on_time, user) self.recent_shares_ts_work.append((time.time(), bitcoin_data.target_to_average_attempts(target))) while len(self.recent_shares_ts_work) > 50: self.recent_shares_ts_work.pop(0) self.local_rate_monitor.add_datum( dict(work=bitcoin_data.target_to_average_attempts(target), dead=not on_time, user=user) ) return on_time
def got_response(header, request): header_hash = bitcoin_data.hash256( bitcoin_data.block_header_type.pack(header)) pow_hash = self.net.PARENT.POW_FUNC( bitcoin_data.block_header_type.pack(header)) try: if pow_hash <= header['bits'].target or p2pool.DEBUG: self.submit_block(dict(header=header, txs=transactions), ignore_failure=False) if pow_hash <= header['bits'].target: print print 'GOT BLOCK FROM MINER! Passing to bitcoind! %s%064x' % ( self.net.PARENT.BLOCK_EXPLORER_URL_PREFIX, header_hash) print except: log.err(None, 'Error while processing potential block:') user, _, _, _ = self.get_user_details(request) assert header['previous_block'] == ba.previous_block assert header['merkle_root'] == ba.merkle_root assert header['bits'] == ba.bits on_time = self.new_work_event.times == lp_count for aux_work, index, hashes in mm_later: try: if pow_hash <= aux_work['target'] or p2pool.DEBUG: df = deferral.retry( 'Error submitting merged block: (will retry)', 10, 10)(aux_work['merged_proxy'].rpc_getauxblock)( pack.IntType(256, 'big').pack( aux_work['hash']).encode('hex'), bitcoin_data.aux_pow_type.pack( dict( merkle_tx=dict( tx=transactions[0], block_hash=header_hash, merkle_link=merkle_link, ), merkle_link=bitcoin_data. calculate_merkle_link(hashes, index), parent_block_header=header, )).encode('hex'), ) @df.addCallback def _(result, aux_work=aux_work): if result != (pow_hash <= aux_work['target']): print >> sys.stderr, 'Merged block submittal result: %s Expected: %s' % ( result, pow_hash <= aux_work['target']) else: print 'Merged block submittal result: %s' % ( result, ) @df.addErrback def _(err): log.err(err, 'Error submitting merged block:') except: log.err(None, 'Error while processing merged mining POW:') if pow_hash <= share_info[ 'bits'].target and header_hash not in received_header_hashes: share = get_share(header, transactions) print 'GOT SHARE! %s %s prev %s age %.2fs%s' % ( request.getUser(), p2pool_data.format_hash(share.hash), p2pool_data.format_hash(share.previous_hash), time.time() - getwork_time, ' DEAD ON ARRIVAL' if not on_time else '', ) self.my_share_hashes.add(share.hash) if not on_time: self.my_doa_share_hashes.add(share.hash) self.tracker.add(share) if not p2pool.DEBUG: self.tracker.verified.add(share) self.set_best_share() try: if pow_hash <= header['bits'].target or p2pool.DEBUG: self.broadcast_share(share.hash) except: log.err(None, 'Error forwarding block solution:') self.share_received.happened( bitcoin_data.target_to_average_attempts(share.target), not on_time) if pow_hash > target: print 'Worker %s submitted share with hash > target:' % ( request.getUser(), ) print ' Hash: %56x' % (pow_hash, ) print ' Target: %56x' % (target, ) elif header_hash in received_header_hashes: print >> sys.stderr, 'Worker %s @ %s submitted share more than once!' % ( request.getUser(), request.getClientIP()) else: received_header_hashes.add(header_hash) self.pseudoshare_received.happened( bitcoin_data.target_to_average_attempts(target), not on_time, user) self.recent_shares_ts_work.append( (time.time(), bitcoin_data.target_to_average_attempts(target))) while len(self.recent_shares_ts_work) > 50: self.recent_shares_ts_work.pop(0) self.local_rate_monitor.add_datum( dict(work=bitcoin_data.target_to_average_attempts(target), dead=not on_time, user=user)) return on_time
def got_response(header, user, coinbase_nonce): assert len(coinbase_nonce) == self.COINBASE_NONCE_LENGTH new_packed_gentx = packed_gentx[:-self.COINBASE_NONCE_LENGTH-4] + coinbase_nonce + packed_gentx[-4:] if coinbase_nonce != '\0'*self.COINBASE_NONCE_LENGTH else packed_gentx new_gentx = bitcoin_data.tx_type.unpack(new_packed_gentx) if coinbase_nonce != '\0'*self.COINBASE_NONCE_LENGTH else gentx header_hash = bitcoin_data.hash256(bitcoin_data.block_header_type.pack(header)) pow_hash = self.node.net.PARENT.POW_FUNC(bitcoin_data.block_header_type.pack(header)) try: if pow_hash <= header['bits'].target or p2pool.DEBUG: helper.submit_block(dict(header=header, txs=[new_gentx] + other_transactions), False, self.node.factory, self.node.bitcoind, self.node.bitcoind_work, self.node.net) if pow_hash <= header['bits'].target: print print 'GOT BLOCK FROM MINER! Passing to bitcoind! %s%064x' % (self.node.net.PARENT.BLOCK_EXPLORER_URL_PREFIX, header_hash) print except: log.err(None, 'Error while processing potential block:') user, _, _, _ = self.get_user_details(user) assert header['previous_block'] == ba['previous_block'] assert header['merkle_root'] == bitcoin_data.check_merkle_link(bitcoin_data.hash256(new_packed_gentx), merkle_link) assert header['bits'] == ba['bits'] on_time = self.new_work_event.times == lp_count for aux_work, index, hashes in mm_later: try: if pow_hash <= aux_work['target'] or p2pool.DEBUG: df = deferral.retry('Error submitting merged block: (will retry)', 10, 10)(aux_work['merged_proxy'].rpc_getauxblock)( pack.IntType(256, 'big').pack(aux_work['hash']).encode('hex'), # neoscrypt uses little endian only # pack.IntType(256, 'little').pack(aux_work['hash']).encode('hex'), bitcoin_data.aux_pow_type.pack(dict( merkle_tx=dict( tx=new_gentx, block_hash=header_hash, merkle_link=merkle_link, ), merkle_link=bitcoin_data.calculate_merkle_link(hashes, index), parent_block_header=header, )).encode('hex'), ) @df.addCallback def _(result, aux_work=aux_work): if result != (pow_hash <= aux_work['target']): print >>sys.stderr, 'Merged block submittal result: %s Expected: %s' % (result, pow_hash <= aux_work['target']) else: print 'Merged block submittal result: %s' % (result,) @df.addErrback def _(err): log.err(err, 'Error submitting merged block:') except: log.err(None, 'Error while processing merged mining POW:') if pow_hash <= share_info['bits'].target and header_hash not in received_header_hashes: last_txout_nonce = pack.IntType(8*self.COINBASE_NONCE_LENGTH).unpack(coinbase_nonce) share = get_share(header, last_txout_nonce) print 'GOT SHARE! %s %s prev %s age %.2fs%s' % ( user, p2pool_data.format_hash(share.hash), p2pool_data.format_hash(share.previous_hash), time.time() - getwork_time, ' DEAD ON ARRIVAL' if not on_time else '', ) self.my_share_hashes.add(share.hash) if not on_time: self.my_doa_share_hashes.add(share.hash) self.node.tracker.add(share) self.node.set_best_share() try: if (pow_hash <= header['bits'].target or p2pool.DEBUG) and self.node.p2p_node is not None: self.node.p2p_node.broadcast_share(share.hash) except: log.err(None, 'Error forwarding block solution:') self.share_received.happened(bitcoin_data.target_to_average_attempts(share.target), not on_time, share.hash) if p2pool.DEBUG: print 'Hash: %X' % (pow_hash) print 'Target: %X' % (target) if pow_hash > target: print 'Worker %s submitted share with hash > target:' % (user,) elif header_hash in received_header_hashes: print >>sys.stderr, 'Worker %s submitted share more than once!' % (user,) else: received_header_hashes.add(header_hash) self.pseudoshare_received.happened(bitcoin_data.target_to_average_attempts(target), not on_time, user) self.recent_shares_ts_work.append((time.time(), bitcoin_data.target_to_average_attempts(target))) while len(self.recent_shares_ts_work) > 50: self.recent_shares_ts_work.pop(0) self.local_rate_monitor.add_datum(dict(work=bitcoin_data.target_to_average_attempts(target), dead=not on_time, user=user, share_target=share_info['bits'].target)) self.local_addr_rate_monitor.add_datum(dict(work=bitcoin_data.target_to_average_attempts(target), pubkey_hash=pubkey_hash)) return on_time
def get_local_stats(): lookbehind = 3600//net.SHARE_PERIOD if tracker.get_height(current_work.value['best_share_hash']) < lookbehind: return None global_stale_prop = p2pool_data.get_average_stale_prop(tracker, current_work.value['best_share_hash'], lookbehind) 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) 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) 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) my_share_count = my_unstale_count + my_orphan_count + my_doa_count my_stale_count = my_orphan_count + my_doa_count my_stale_prop = my_stale_count/my_share_count if my_share_count != 0 else None my_work = sum(bitcoin_data.target_to_average_attempts(share.target) for share in tracker.get_chain(current_work.value['best_share_hash'], lookbehind - 1) if share.hash in my_share_hashes) actual_time = (tracker.shares[current_work.value['best_share_hash']].timestamp - tracker.shares[tracker.get_nth_parent_hash(current_work.value['best_share_hash'], lookbehind - 1)].timestamp) share_att_s = my_work / actual_time miner_hash_rates, miner_dead_hash_rates = get_local_rates() (stale_orphan_shares, stale_doa_shares), shares, _ = get_stale_counts() return dict( my_hash_rates_in_last_hour=dict( note="DEPRECATED", nonstale=share_att_s, rewarded=share_att_s/(1 - global_stale_prop), 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 ), my_share_counts_in_last_hour=dict( shares=my_share_count, unstale_shares=my_unstale_count, stale_shares=my_stale_count, orphan_stale_shares=my_orphan_count, doa_stale_shares=my_doa_count, ), my_stale_proportions_in_last_hour=dict( stale=my_stale_prop, orphan_stale=my_orphan_count/my_share_count if my_share_count != 0 else None, dead_stale=my_doa_count/my_share_count if my_share_count != 0 else None, ), miner_hash_rates=miner_hash_rates, miner_dead_hash_rates=miner_dead_hash_rates, 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 efficiency=(1 - (stale_orphan_shares+stale_doa_shares)/shares)/(1 - global_stale_prop) if shares else None, peers=dict( incoming=sum(1 for peer in p2p_node.peers.itervalues() if peer.incoming), outgoing=sum(1 for peer in p2p_node.peers.itervalues() if not peer.incoming), ), shares=dict( total=shares, orphan=stale_orphan_shares, dead=stale_doa_shares, ), uptime=time.time() - start_time, block_value=current_work2.value['subsidy']*1e-8, warnings=p2pool_data.get_warnings(tracker, current_work, net), )