234 p2pool/web.py
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import json
import os
import time

from twisted.internet import task
from twisted.python import log
from twisted.web import resource

from bitcoin import data as bitcoin_data
from . import data as p2pool_data, graphs
from util import math

def get_web_root(tracker, current_work, current_work2, get_current_txouts, datadir_path, net, get_stale_counts, my_pubkey_hash, local_rate_monitor, worker_fee, p2p_node, my_share_hashes, recent_blocks):
start_time = time.time()

web_root = resource.Resource()

def get_rate():
if tracker.get_height(current_work.value['best_share_hash']) < 720:
return json.dumps(None)
return json.dumps(p2pool_data.get_pool_attempts_per_second(tracker, current_work.value['best_share_hash'], 720)
/ (1 - p2pool_data.get_average_stale_prop(tracker, current_work.value['best_share_hash'], 720)))

def get_users():
height, last = tracker.get_height_and_last(current_work.value['best_share_hash'])
weights, total_weight, donation_weight = tracker.get_cumulative_weights(current_work.value['best_share_hash'], min(height, 720), 65535*2**256)
res = {}
for script in sorted(weights, key=lambda s: weights[s]):
res[bitcoin_data.script2_to_human(script, net.PARENT)] = weights[script]/total_weight
return json.dumps(res)

def get_current_scaled_txouts(scale, trunc=0):
txouts = get_current_txouts()
total = sum(txouts.itervalues())
results = dict((script, value*scale//total) for script, value in txouts.iteritems())
if trunc > 0:
total_random = 0
random_set = set()
for s in sorted(results, key=results.__getitem__):
if results[s] >= trunc:
break
total_random += results[s]
random_set.add(s)
if total_random:
winner = math.weighted_choice((script, results[script]) for script in random_set)
for script in random_set:
del results[script]
results[winner] = total_random
if sum(results.itervalues()) < int(scale):
results[math.weighted_choice(results.iteritems())] += int(scale) - sum(results.itervalues())
return results

def get_current_payouts():
return json.dumps(dict((bitcoin_data.script2_to_human(script, net.PARENT), value/1e8) for script, value in get_current_txouts().iteritems()))

def get_patron_sendmany(this):
try:
if '/' in this:
this, trunc = this.split('/', 1)
else:
trunc = '0.01'
return json.dumps(dict(
(bitcoin_data.script2_to_address(script, net.PARENT), value/1e8)
for script, value in get_current_scaled_txouts(scale=int(float(this)*1e8), trunc=int(float(trunc)*1e8)).iteritems()
if bitcoin_data.script2_to_address(script, net.PARENT) is not None
))
except:
log.err()
return json.dumps(None)

def get_global_stats():
# averaged over last hour
lookbehind = 3600//net.SHARE_PERIOD
if tracker.get_height(current_work.value['best_share_hash']) < lookbehind:
return None

nonstale_hash_rate = p2pool_data.get_pool_attempts_per_second(tracker, current_work.value['best_share_hash'], lookbehind)
stale_prop = p2pool_data.get_average_stale_prop(tracker, current_work.value['best_share_hash'], lookbehind)
return json.dumps(dict(
pool_nonstale_hash_rate=nonstale_hash_rate,
pool_hash_rate=nonstale_hash_rate/(1 - stale_prop),
pool_stale_prop=stale_prop,
))

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

return json.dumps(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,
))

def get_peer_addresses():
return ' '.join(peer.transport.getPeer().host + (':' + str(peer.transport.getPeer().port) if peer.transport.getPeer().port != net.P2P_PORT else '') for peer in p2p_node.peers.itervalues())

def get_uptime():
return json.dumps(time.time() - start_time)

class WebInterface(resource.Resource):
def __init__(self, func, mime_type, *fields):
self.func, self.mime_type, self.fields = func, mime_type, fields

def render_GET(self, request):
request.setHeader('Content-Type', self.mime_type)
request.setHeader('Access-Control-Allow-Origin', '*')
return self.func(*(request.args[field][0] for field in self.fields))

web_root.putChild('rate', WebInterface(get_rate, 'application/json'))
web_root.putChild('users', WebInterface(get_users, 'application/json'))
web_root.putChild('fee', WebInterface(lambda: json.dumps(worker_fee), 'application/json'))
web_root.putChild('current_payouts', WebInterface(get_current_payouts, 'application/json'))
web_root.putChild('patron_sendmany', WebInterface(get_patron_sendmany, 'text/plain', 'total'))
web_root.putChild('global_stats', WebInterface(get_global_stats, 'application/json'))
web_root.putChild('local_stats', WebInterface(get_local_stats, 'application/json'))
web_root.putChild('peer_addresses', WebInterface(get_peer_addresses, 'text/plain'))
web_root.putChild('payout_addr', WebInterface(lambda: json.dumps(bitcoin_data.pubkey_hash_to_address(my_pubkey_hash, net.PARENT)), 'application/json'))
web_root.putChild('recent_blocks', WebInterface(lambda: json.dumps(recent_blocks), 'application/json'))
web_root.putChild('uptime', WebInterface(get_uptime, 'application/json'))

try:
from . import draw
web_root.putChild('chain_img', WebInterface(lambda: draw.get(tracker, current_work.value['best_share_hash']), 'image/png'))
except ImportError:
print "Install Pygame and PIL to enable visualizations! Visualizations disabled."

new_root = resource.Resource()
web_root.putChild('web', new_root)

stat_log = []
if os.path.exists(os.path.join(datadir_path, 'stats')):
try:
with open(os.path.join(datadir_path, 'stats'), 'rb') as f:
stat_log = json.loads(f.read())
except:
log.err(None, 'Error loading stats:')
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))
task.LoopingCall(update_stat_log).start(5*60)
new_root.putChild('log', WebInterface(lambda: json.dumps(stat_log), 'application/json'))

grapher = graphs.Grapher(os.path.join(datadir_path, 'rrd'))
web_root.putChild('graphs', grapher.get_resource())
def add_point():
if tracker.get_height(current_work.value['best_share_hash']) < 720:
return
nonstalerate = p2pool_data.get_pool_attempts_per_second(tracker, current_work.value['best_share_hash'], 720)
poolrate = nonstalerate / (1 - p2pool_data.get_average_stale_prop(tracker, current_work.value['best_share_hash'], 720))
grapher.add_poolrate_point(poolrate, poolrate - nonstalerate)
task.LoopingCall(add_point).start(100)

return web_root