示例#1
0
 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 = wb.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(dash_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=dash_data.target_to_average_attempts(node.tracker.items[node.best_share_var.value].max_target),
         attempts_to_block=dash_data.target_to_average_attempts(node.dashd_work.value['bits'].target),
         block_value=node.dashd_work.value['subsidy']*1e-8,
     ))
     
     with open(os.path.join(datadir_path, 'stats'), 'wb') as f:
         f.write(json.dumps(stat_log))
示例#2
0
    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 = wb.get_local_rates()
        my_current_payout = 0.0
        for add in wb.pubkeys.keys:
            my_current_payout += node.get_current_txouts().get(
                dash_data.pubkey_hash_to_script2(add), 0) * 1e-8

        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=my_current_payout,
                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=dash_data.target_to_average_attempts(
                    node.tracker.items[node.best_share_var.value].max_target),
                attempts_to_block=dash_data.target_to_average_attempts(
                    node.dashd_work.value['bits'].target),
                block_value=node.dashd_work.value['subsidy'] * 1e-8,
            ))

        with open(os.path.join(datadir_path, 'stats'), 'wb') as f:
            f.write(json.dumps(stat_log))
示例#3
0
 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/dash_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(dash_data.pubkey_hash_to_script2(my_pubkey_hash), 0)*1e-8, 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.dashd_work.value['bits'].target / real_att_s),
                 )
                 
                 for warning in p2pool_data.get_warnings(node.tracker, node.best_share_var.value, net, dashd_getinfo_var.value, node.dashd_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()
示例#4
0
        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 = dash_data.tx_type.unpack(new_packed_gentx) if coinbase_nonce != '\0'*self.COINBASE_NONCE_LENGTH else gentx

            header_hash = self.node.net.PARENT.BLOCKHASH_FUNC(dash_data.block_header_type.pack(header))
            pow_hash = self.node.net.PARENT.POW_FUNC(dash_data.block_header_type.pack(header))
            try:
                if pow_hash <= header['bits'].target or p2pool.DEBUG:
                    if self.node.dashd_work.value['masternode_payments']:
                        helper.submit_block(dict(header=header, txs=[new_gentx] + other_transactions, votes=self.node.dashd_work.value['votes']), False, self.node.factory, self.node.dashd, self.node.dashd_work, self.node.net)
                    else:
                        helper.submit_block(dict(header=header, txs=[new_gentx] + other_transactions), False, self.node.factory, self.node.dashd, self.node.dashd_work, self.node.net)
                    if pow_hash <= header['bits'].target:
                        print
                        print 'GOT BLOCK FROM MINER! Passing to dashd! %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'] == dash_data.check_merkle_link(dash_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'),
                            dash_data.aux_pow_type.pack(dict(
                                merkle_tx=dict(
                                    tx=new_gentx,
                                    block_hash=header_hash,
                                    merkle_link=merkle_link,
                                ),
                                merkle_link=dash_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(dash_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(dash_data.target_to_average_attempts(target), not on_time, user)
                self.recent_shares_ts_work.append((time.time(), dash_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=dash_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=dash_data.target_to_average_attempts(target), pubkey_hash=pubkey_hash))

            return on_time
示例#5
0
    def get_work(self, pubkey_hash, desired_share_target, desired_pseudoshare_target):
        global print_throttle
        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')

        if self.merged_work.value:
            tree, size = dash_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' + dash_data.aux_pow_coinbase_type.pack(dict(
                merkle_root=dash_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 = [dash_data.hash256(dash_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,
                    dash_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.dashd_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,
                        dash_data.average_attempts_to_target((dash_data.target_to_average_attempts(self.node.dashd_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'] + self.node.net.COINBASEEXT)[: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,
                    payee=self.current_work.value['payee'],
                    payee_amount=self.current_work.value['payee_amount'],
                ),
                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['bits'].bits, self.current_work.value['height']),
                payee_address=self.current_work.value['payee_address'],
            )

        packed_gentx = dash_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,
                    dash_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 = dash_data.calculate_merkle_link([None] + other_transaction_hashes, 0)

        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' % (
                    dash_data.target_to_difficulty(target),
                    dash_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[dash_data.pubkey_hash_to_address(pubkey_hash, self.node.net.PARENT)]=share_info['bits']

        ba = dict(
            version=min(self.current_work.value['version'], 3),
            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 = dash_data.tx_type.unpack(new_packed_gentx) if coinbase_nonce != '\0'*self.COINBASE_NONCE_LENGTH else gentx

            header_hash = self.node.net.PARENT.BLOCKHASH_FUNC(dash_data.block_header_type.pack(header))
            pow_hash = self.node.net.PARENT.POW_FUNC(dash_data.block_header_type.pack(header))
            try:
                if pow_hash <= header['bits'].target or p2pool.DEBUG:
                    if self.node.dashd_work.value['masternode_payments']:
                        helper.submit_block(dict(header=header, txs=[new_gentx] + other_transactions, votes=self.node.dashd_work.value['votes']), False, self.node.factory, self.node.dashd, self.node.dashd_work, self.node.net)
                    else:
                        helper.submit_block(dict(header=header, txs=[new_gentx] + other_transactions), False, self.node.factory, self.node.dashd, self.node.dashd_work, self.node.net)
                    if pow_hash <= header['bits'].target:
                        print
                        print 'GOT BLOCK FROM MINER! Passing to dashd! %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'] == dash_data.check_merkle_link(dash_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'),
                            dash_data.aux_pow_type.pack(dict(
                                merkle_tx=dict(
                                    tx=new_gentx,
                                    block_hash=header_hash,
                                    merkle_link=merkle_link,
                                ),
                                merkle_link=dash_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(dash_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(dash_data.target_to_average_attempts(target), not on_time, user)
                self.recent_shares_ts_work.append((time.time(), dash_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=dash_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=dash_data.target_to_average_attempts(target), pubkey_hash=pubkey_hash))

            return on_time

        return ba, got_response
示例#6
0
        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 = dash_data.tx_type.unpack(
                new_packed_gentx
            ) if coinbase_nonce != '\0' * self.COINBASE_NONCE_LENGTH else gentx

            header_hash = self.node.net.PARENT.BLOCKHASH_FUNC(
                dash_data.block_header_type.pack(header))
            pow_hash = self.node.net.PARENT.POW_FUNC(
                dash_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.dashd,
                        self.node.dashd_work, self.node.net)
                    if pow_hash <= header['bits'].target:
                        print
                        print 'GOT BLOCK FROM MINER! Passing to dashd! %s%064x' % (
                            self.node.net.PARENT.BLOCK_EXPLORER_URL_PREFIX,
                            header_hash)
                        print
                        # New block found
                        self.node.factory.new_block.happened(header_hash)
            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'] == dash_data.check_merkle_link(
                dash_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'),
                                dash_data.aux_pow_type.pack(
                                    dict(
                                        merkle_tx=dict(
                                            tx=new_gentx,
                                            block_hash=header_hash,
                                            merkle_link=merkle_link,
                                        ),
                                        merkle_link=dash_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(
                    dash_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(
                    dash_data.target_to_average_attempts(target), not on_time,
                    user)
                self.recent_shares_ts_work.append(
                    (time.time(),
                     dash_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=dash_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=dash_data.target_to_average_attempts(target),
                         pubkey_hash=pubkey_hash))

            return on_time
示例#7
0
    def get_work(self, pubkey_hash, desired_share_target,
                 desired_pseudoshare_target):
        global print_throttle
        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')

        if self.merged_work.value:
            tree, size = dash_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' + dash_data.aux_pow_coinbase_type.pack(
                dict(
                    merkle_root=dash_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 = [
            dash_data.hash256(dash_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,
                    dash_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.dashd_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,
                        dash_data.average_attempts_to_target(
                            (dash_data.target_to_average_attempts(
                                self.node.dashd_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'] +
                              self.node.net.COINBASEEXT)[: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,
                    payment_amount=self.current_work.value['payment_amount'],
                    packed_payments=self.current_work.value['packed_payments'],
                ),
                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.current_work.value['subsidy'],
            )

        packed_gentx = dash_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,
                    dash_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 = dash_data.calculate_merkle_link(
            [None] + other_transaction_hashes, 0)

        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 %s! Difficulty: %.06f Share difficulty: %.06f Block %s Total value: %.6f %s including %i transactions' % (
                    dash_data.pubkey_hash_to_address(pubkey_hash,
                                                     self.node.net.PARENT),
                    dash_data.target_to_difficulty(target),
                    dash_data.target_to_difficulty(share_info['bits'].target),
                    self.current_work.value['height'],
                    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[dash_data.pubkey_hash_to_address(
            pubkey_hash, self.node.net.PARENT)] = share_info['bits']

        ba = dict(
            version=self.current_work.value['version'],
            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 = dash_data.tx_type.unpack(
                new_packed_gentx
            ) if coinbase_nonce != '\0' * self.COINBASE_NONCE_LENGTH else gentx

            header_hash = self.node.net.PARENT.BLOCKHASH_FUNC(
                dash_data.block_header_type.pack(header))
            pow_hash = self.node.net.PARENT.POW_FUNC(
                dash_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.dashd,
                        self.node.dashd_work, self.node.net)
                    if pow_hash <= header['bits'].target:
                        print
                        print 'GOT BLOCK FROM MINER! Passing to dashd! %s%064x' % (
                            self.node.net.PARENT.BLOCK_EXPLORER_URL_PREFIX,
                            header_hash)
                        print
                        # New block found
                        self.node.factory.new_block.happened(header_hash)
            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'] == dash_data.check_merkle_link(
                dash_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'),
                                dash_data.aux_pow_type.pack(
                                    dict(
                                        merkle_tx=dict(
                                            tx=new_gentx,
                                            block_hash=header_hash,
                                            merkle_link=merkle_link,
                                        ),
                                        merkle_link=dash_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(
                    dash_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(
                    dash_data.target_to_average_attempts(target), not on_time,
                    user)
                self.recent_shares_ts_work.append(
                    (time.time(),
                     dash_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=dash_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=dash_data.target_to_average_attempts(target),
                         pubkey_hash=pubkey_hash))

            return on_time

        return ba, got_response
示例#8
0
 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/dash_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(dash_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.dashd_work.value['bits'].target / real_att_s),
                 )
                 
                 for warning in p2pool_data.get_warnings(node.tracker, node.best_share_var.value, net, dashd_getinfo_var.value, node.dashd_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()
示例#9
0
    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(dash_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] = dash_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=dash_data.target_to_average_attempts(node.tracker.items[node.best_share_var.value].max_target),
            attempts_to_block=dash_data.target_to_average_attempts(node.dashd_work.value['bits'].target),
            block_value=node.dashd_work.value['subsidy']*1e-8,
            warnings=p2pool_data.get_warnings(node.tracker, node.best_share_var.value, node.net, dashd_getinfo_var.value, node.dashd_work.value),
            donation_proportion=wb.donation_percentage/100,
            version=p2pool.__version__,
            protocol_version=p2p.Protocol.VERSION,
            fee=wb.worker_fee,
        )