def handle_shares(self, shares, peer):
if len(shares) > 5:
print 'Processing %i shares from %s...' % (
len(shares), '%s:%i' % peer.addr if peer is not None else None)
new_count = 0
all_new_txs = {}
for share, new_txs in shares:
if new_txs is not None:
all_new_txs.update((bitcoin_data.single_hash256(
bitcoin_data.tx_type.pack(new_tx)), new_tx)
for new_tx in new_txs)
if share.hash in self.node.tracker.items:
#print 'Got duplicate share, ignoring. Hash: %s' % (p2pool_data.format_hash(share.hash),)
continue
new_count += 1
#print 'Received share %s from %r' % (p2pool_data.format_hash(share.hash), share.peer_addr)
self.node.tracker.add(share)
self.node.known_txs_var.add(all_new_txs)
if new_count:
self.node.set_best_share()
if len(shares) > 5:
print '... done processing %i shares. New: %i Have: %i/~%i' % (
len(shares), new_count, len(
self.node.tracker.items), 2 * self.node.net.CHAIN_LENGTH)
def _getwork(self, request, data, long_poll):
request.setHeader('X-Long-Polling', '/long-polling')
request.setHeader('X-Roll-NTime', 'expire=100')
request.setHeader('X-Is-P2Pool', 'true')
if request.getHeader('Host') is not None:
request.setHeader('X-Stratum', 'stratum+tcp://' + request.getHeader('Host'))
if data is not None:
header = getwork.decode_data(data)
if header['merkle_root'] not in self.merkle_root_to_handler:
print >>sys.stderr, '''Couldn't link returned work's merkle root with its handler. This should only happen if this process was recently restarted!'''
defer.returnValue(False)
defer.returnValue(self.merkle_root_to_handler[header['merkle_root']](header, request.getUser() if request.getUser() is not None else '', '\0'*self.worker_bridge.COINBASE_NONCE_LENGTH))
if p2pool.DEBUG:
id = random.randrange(1000, 10000)
print 'POLL %i START is_long_poll=%r user_agent=%r user=%r' % (id, long_poll, request.getHeader('User-Agent'), request.getUser())
if long_poll:
request_id = request.getClientIP(), request.getHeader('Authorization')
if self.worker_views.get(request_id, self.worker_bridge.new_work_event.times) != self.worker_bridge.new_work_event.times:
if p2pool.DEBUG:
print 'POLL %i PUSH' % (id,)
else:
if p2pool.DEBUG:
print 'POLL %i WAITING' % (id,)
yield self.worker_bridge.new_work_event.get_deferred()
self.worker_views[request_id] = self.worker_bridge.new_work_event.times
x, handler = self.worker_bridge.get_work(*self.worker_bridge.preprocess_request(request.getUser() if request.getUser() is not None else ''))
res = getwork.BlockAttempt(
version=x['version'],
previous_block=x['previous_block'],
merkle_root=bitcoin_data.check_merkle_link(bitcoin_data.single_hash256(x['coinb1'] + '\0'*self.worker_bridge.COINBASE_NONCE_LENGTH + x['coinb2']), x['merkle_link']),
timestamp=x['timestamp'],
bits=x['bits'],
share_target=x['share_target'],
)
assert res.merkle_root not in self.merkle_root_to_handler
self.merkle_root_to_handler[res.merkle_root] = handler
if p2pool.DEBUG:
print 'POLL %i END identifier=%i' % (id, self.worker_bridge.new_work_event.times)
extra_params = {}
if request.getHeader('User-Agent') == 'Jephis PIC Miner':
# ASICMINER BE Blades apparently have a buffer overflow bug and
# can't handle much extra in the getwork response
extra_params = {}
else:
extra_params = dict(identifier=str(self.worker_bridge.new_work_event.times), submitold=True)
defer.returnValue(res.getwork(**extra_params))
def rpc_submit(self, worker_name, job_id, extranonce2, ntime, nonce):
if job_id not in self.handler_map:
print >> sys.stderr, '''Couldn't link returned work's job id with its handler. This should only happen if this process was recently restarted!'''
return False
x, got_response = self.handler_map[job_id]
coinb_nonce = extranonce2.decode('hex')
assert len(coinb_nonce) == self.wb.COINBASE_NONCE_LENGTH
new_packed_gentx = x['coinb1'] + coinb_nonce + x['coinb2']
header = dict(
version=x['version'],
previous_block=x['previous_block'],
merkle_root=bitcoin_data.check_merkle_link(
bitcoin_data.single_hash256(new_packed_gentx), x['merkle_link']
), # new_packed_gentx has witness data stripped
timestamp=pack.IntType(32).unpack(
getwork._swap4(ntime.decode('hex'))),
bits=x['bits'],
nonce=pack.IntType(32).unpack(getwork._swap4(nonce.decode('hex'))),
)
return got_response(header, worker_name, coinb_nonce)
def handle_remember_tx(self, tx_hashes, txs):
for tx_hash in tx_hashes:
if tx_hash in self.remembered_txs:
print >>sys.stderr, 'Peer referenced transaction twice, disconnecting'
self.disconnect()
return
if tx_hash in self.node.known_txs_var.value:
tx = self.node.known_txs_var.value[tx_hash]
else:
for cache in self.known_txs_cache.itervalues():
if tx_hash in cache:
tx = cache[tx_hash]
print 'Transaction %064x rescued from peer latency cache!' % (tx_hash,)
break
else:
print >>sys.stderr, 'Peer referenced unknown transaction %064x, disconnecting' % (tx_hash,)
self.disconnect()
return
self.remembered_txs[tx_hash] = tx
self.remembered_txs_size += 100 + bitcoin_data.tx_type.packed_size(tx)
added_known_txs = {}
warned = False
for tx in txs:
tx_hash = bitcoin_data.single_hash256(bitcoin_data.tx_type.pack(tx))
if tx_hash in self.remembered_txs:
print >>sys.stderr, 'Peer referenced transaction twice, disconnecting'
self.disconnect()
return
if tx_hash in self.node.known_txs_var.value and not warned:
print 'Peer sent entire transaction %064x that was already received' % (tx_hash,)
warned = True
self.remembered_txs[tx_hash] = tx
self.remembered_txs_size += 100 + bitcoin_data.tx_type.packed_size(tx)
added_known_txs[tx_hash] = tx
self.node.known_txs_var.add(added_known_txs)
if self.remembered_txs_size >= self.max_remembered_txs_size:
raise PeerMisbehavingError('too much transaction data stored')
def _(tx):
self.known_txs_var.add({
bitcoin_data.single_hash256(bitcoin_data.tx_type.pack(tx)):
tx,
})
def check(self, tracker, other_txs=None):
from p2pool import p2p
counts = None
if self.share_data['previous_share_hash'] is not None:
previous_share = tracker.items[
self.share_data['previous_share_hash']]
if tracker.get_height(self.share_data['previous_share_hash']
) >= self.net.CHAIN_LENGTH:
counts = get_desired_version_counts(
tracker,
tracker.get_nth_parent_hash(
previous_share.hash, self.net.CHAIN_LENGTH * 9 // 10),
self.net.CHAIN_LENGTH // 10)
if type(self) is type(previous_share):
pass
elif type(self) is type(previous_share).SUCCESSOR:
# switch only valid if 60% of hashes in [self.net.CHAIN_LENGTH*9//10, self.net.CHAIN_LENGTH] for new version
if counts.get(self.VERSION,
0) < sum(counts.itervalues()) * 60 // 100:
raise p2p.PeerMisbehavingError(
'switch without enough hash power upgraded')
else:
raise p2p.PeerMisbehavingError(
'''%s can't follow %s''' %
(type(self).__name__, type(previous_share).__name__))
elif type(self) is type(previous_share).SUCCESSOR:
raise p2p.PeerMisbehavingError('switch without enough history')
other_tx_hashes = [
tracker.items[tracker.get_nth_parent_hash(
self.hash,
share_count)].share_info['new_transaction_hashes'][tx_count]
for share_count, tx_count in self.iter_transaction_hash_refs()
]
if other_txs is not None and not isinstance(other_txs, dict):
other_txs = dict(
(bitcoin_data.single_hash256(bitcoin_data.tx_type.pack(tx)),
tx) for tx in other_txs)
share_info, gentx, other_tx_hashes2, get_share = self.generate_transaction(
tracker,
self.share_info['share_data'],
self.header['bits'].target,
self.share_info['timestamp'],
self.share_info['bits'].target,
self.contents['ref_merkle_link'],
[(h, None) for h in other_tx_hashes],
self.net,
known_txs=other_txs,
last_txout_nonce=self.contents['last_txout_nonce'],
segwit_data=self.share_info.get('segwit_data', None))
assert other_tx_hashes2 == other_tx_hashes
if share_info != self.share_info:
raise ValueError('share_info invalid')
if bitcoin_data.get_txid(gentx) != self.gentx_hash:
raise ValueError('''gentx doesn't match hash_link''')
if bitcoin_data.calculate_merkle_link(
[None] + other_tx_hashes, 0
) != self.merkle_link: # the other hash commitments are checked in the share_info assertion
raise ValueError('merkle_link and other_tx_hashes do not match')
update_min_protocol_version(counts, self)
return gentx # only used by as_block