def get_rate():
if current_work.value['best_share_hash'] is not None:
height, last = tracker.get_height_and_last(current_work.value['best_share_hash'])
att_s = p2pool_data.get_pool_attempts_per_second(tracker, current_work.value['best_share_hash'], min(height - 1, 720))
fracs = [share.stale_frac for share in tracker.get_chain(current_work.value['best_share_hash'], min(120, height)) if share.stale_frac is not None]
return json.dumps(int(att_s / (1. - (math.median(fracs) if fracs else 0))))
return json.dumps(None)
def status_thread():
last_str = None
last_time = 0
while True:
yield deferral.sleep(3)
try:
if time.time() > current_work2.value['last_update'] + 60:
print '''---> LOST CONTACT WITH BITCOIND for 60 seconds, check that it isn't frozen or dead <---'''
if current_work.value['best_share_hash'] is not None:
height, last = tracker.get_height_and_last(current_work.value['best_share_hash'])
if height > 2:
att_s = p2pool_data.get_pool_attempts_per_second(tracker, current_work.value['best_share_hash'], min(height - 1, 720))
weights, total_weight, donation_weight = tracker.get_cumulative_weights(current_work.value['best_share_hash'], min(height, 720), 65535*2**256)
shares, stale_doa_shares, stale_not_doa_shares = get_share_counts(True)
stale_shares = stale_doa_shares + stale_not_doa_shares
fracs = [share.stale_frac for share in tracker.get_chain(current_work.value['best_share_hash'], min(120, height)) if share.stale_frac is not None]
this_str = 'Pool: %sH/s in %i shares (%i/%i verified) Recent: %.02f%% >%sH/s Shares: %i (%i orphan, %i dead) Peers: %i' % (
math.format(int(att_s / (1. - (math.median(fracs) if fracs else 0)))),
height,
len(tracker.verified.shares),
len(tracker.shares),
weights.get(my_script, 0)/total_weight*100,
math.format(int(weights.get(my_script, 0)*att_s//total_weight / (1. - (math.median(fracs) if fracs else 0)))),
shares,
stale_not_doa_shares,
stale_doa_shares,
len(p2p_node.peers),
) + (' FDs: %i R/%i W' % (len(reactor.getReaders()), len(reactor.getWriters())) if p2pool.DEBUG else '')
if fracs:
med = math.median(fracs)
this_str += '\nPool stales: %i%%' % (int(100*med+.5),)
conf = 0.95
if shares:
this_str += u' Own: %i±%i%%' % tuple(int(100*x+.5) for x in math.interval_to_center_radius(math.binomial_conf_interval(stale_shares, shares, conf)))
if med < .99:
this_str += u' Own efficiency: %i±%i%%' % tuple(int(100*x+.5) for x in math.interval_to_center_radius((1 - y)/(1 - med) for y in math.binomial_conf_interval(stale_shares, shares, conf)[::-1]))
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_rate():
if current_work.value['best_share_hash'] is not None:
height, last = tracker.get_height_and_last(
current_work.value['best_share_hash'])
att_s = p2pool_data.get_pool_attempts_per_second(
tracker, current_work.value['best_share_hash'],
min(height - 1, 720))
fracs = [
share.stale_frac for share in tracker.get_chain(
current_work.value['best_share_hash'], min(
120, height)) if share.stale_frac is not None
]
return json.dumps(
int(att_s / (1. - (math.median(fracs) if fracs else 0))))
return json.dumps(None)
def compute(state, payout_script):
if payout_script is None:
payout_script = my_script
if state['best_share_hash'] is None and args.net.PERSIST:
raise jsonrpc.Error(-12345, u'p2pool is downloading shares')
pre_extra_txs = [tx for tx in tx_pool.itervalues() if tx.is_good()]
pre_extra_txs = pre_extra_txs[:2**16 - 1] # merkle_branch limit
extra_txs = []
size = 0
for tx in pre_extra_txs:
this_size = len(bitcoin.data.tx_type.pack(tx.tx))
if size + this_size > 500000:
break
extra_txs.append(tx)
size += this_size
# XXX check sigops!
# XXX assuming generate_tx is smallish here..
generate_tx = p2pool.generate_transaction(
tracker=tracker,
previous_share_hash=state['best_share_hash'],
new_script=payout_script,
subsidy=(50*100000000 >> (state['height'] + 1)//210000) + sum(tx.value_in - tx.value_out for tx in extra_txs),
nonce=run_identifier + struct.pack('<Q', random.randrange(2**64)),
block_target=state['target'],
net=args.net,
)
print 'Generating! Difficulty: %.06f Payout if block: %.6f BTC' % (0xffff*2**208/p2pool.coinbase_type.unpack(generate_tx['tx_ins'][0]['script'])['share_data']['target'], generate_tx['tx_outs'][-1]['value']*1e-8)
#print 'Target: %x' % (p2pool.coinbase_type.unpack(generate_tx['tx_ins'][0]['script'])['share_data']['target'],)
#, have', shares.count(my_script) - 2, 'share(s) in the current chain. Fee:', sum(tx.value_in - tx.value_out for tx in extra_txs)/100000000
transactions = [generate_tx] + [tx.tx for tx in extra_txs]
merkle_root = bitcoin.data.merkle_hash(transactions)
merkle_root_to_transactions[merkle_root] = transactions # will stay for 1000 seconds
timestamp = int(time.time() - current_work2.value['clock_offset'])
if state['best_share_hash'] is not None:
timestamp2 = math.median((s.timestamp for s in itertools.islice(tracker.get_chain_to_root(state['best_share_hash']), 11)), use_float=False) + 1
if timestamp2 > timestamp:
print 'Toff', timestamp2 - timestamp
timestamp = timestamp2
target2 = p2pool.coinbase_type.unpack(generate_tx['tx_ins'][0]['script'])['share_data']['target']
times[p2pool.coinbase_type.unpack(generate_tx['tx_ins'][0]['script'])['share_data']['nonce']] = time.time()
#print 'SENT', 2**256//p2pool.coinbase_type.unpack(generate_tx['tx_ins'][0]['script'])['share_data']['target']
return bitcoin.getwork.BlockAttempt(state['version'], state['previous_block'], merkle_root, timestamp, state['target'], target2)
def status_thread():
last_str = None
last_time = 0
while True:
yield deferral.sleep(3)
try:
if time.time() > current_work2.value['last_update'] + 60:
print '''---> LOST CONTACT WITH BITCOIND for 60 seconds, check that it isn't frozen or dead <---'''
if current_work.value['best_share_hash'] is not None:
height, last = tracker.get_height_and_last(
current_work.value['best_share_hash'])
if height > 2:
att_s = p2pool_data.get_pool_attempts_per_second(
tracker, current_work.value['best_share_hash'],
min(height - 1, 720))
weights, total_weight, donation_weight = tracker.get_cumulative_weights(
current_work.value['best_share_hash'],
min(height, 720), 65535 * 2**256)
shares, stale_doa_shares, stale_not_doa_shares = get_share_counts(
True)
stale_shares = stale_doa_shares + stale_not_doa_shares
fracs = [
share.stale_frac
for share in tracker.get_chain(
current_work.value['best_share_hash'],
min(120, height))
if share.stale_frac is not None
]
this_str = 'Pool: %sH/s in %i shares (%i/%i verified) Recent: %.02f%% >%sH/s Shares: %i (%i orphan, %i dead) Peers: %i' % (
math.format(
int(att_s /
(1. -
(math.median(fracs) if fracs else 0)))
),
height,
len(tracker.verified.shares),
len(tracker.shares),
weights.get(my_script, 0) / total_weight * 100,
math.format(
int(
weights.get(my_script, 0) * att_s //
total_weight /
(1. -
(math.median(fracs) if fracs else 0)))
),
shares,
stale_not_doa_shares,
stale_doa_shares,
len(p2p_node.peers),
) + (' FDs: %i R/%i W' %
(len(reactor.getReaders()),
len(reactor.getWriters()))
if p2pool.DEBUG else '')
if fracs:
med = math.median(fracs)
this_str += '\nPool stales: %i%%' % (
int(100 * med + .5), )
conf = 0.95
if shares:
this_str += u' Own: %i±%i%%' % tuple(
int(100 * x + .5) for x in
math.interval_to_center_radius(
math.binomial_conf_interval(
stale_shares, shares, conf)))
if med < .99:
this_str += u' Own efficiency: %i±%i%%' % tuple(
int(100 * x + .5) for x in
math.interval_to_center_radius(
(1 - y) / (1 - med) for y in
math.binomial_conf_interval(
stale_shares, shares,
conf)[::-1]))
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()