def get_ref_hash(cls, net, share_info, ref_merkle_link):
return pack.IntType(256).pack(
axe_data.check_merkle_link(
axe_data.hash256(
cls.ref_type.pack(
dict(
identifier=net.IDENTIFIER,
share_info=share_info,
))), ref_merkle_link))
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=axe_data.check_merkle_link(
axe_data.hash256(new_packed_gentx), x['merkle_link']),
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 __init__(self, net, peer_addr, contents):
self.net = net
self.peer_addr = peer_addr
self.contents = contents
self.min_header = contents['min_header']
self.share_info = contents['share_info']
self.hash_link = contents['hash_link']
self.merkle_link = contents['merkle_link']
if not (2 <= len(self.share_info['share_data']['coinbase']) <= 100):
raise ValueError(
'''bad coinbase size! %i bytes''' %
(len(self.share_info['share_data']['coinbase']), ))
if len(self.merkle_link['branch']) > 16:
raise ValueError('merkle branch too long!')
assert not self.hash_link['extra_data'], repr(
self.hash_link['extra_data'])
self.share_data = self.share_info['share_data']
self.max_target = self.share_info['max_bits'].target
self.target = self.share_info['bits'].target
self.timestamp = self.share_info['timestamp']
self.previous_hash = self.share_data['previous_share_hash']
self.new_script = axe_data.pubkey_hash_to_script2(
self.share_data['pubkey_hash'])
self.desired_version = self.share_data['desired_version']
self.absheight = self.share_info['absheight']
self.abswork = self.share_info['abswork']
n = set()
for share_count, tx_count in self.iter_transaction_hash_refs():
assert share_count < 110
if share_count == 0:
n.add(tx_count)
assert n == set(xrange(len(self.share_info['new_transaction_hashes'])))
self.gentx_hash = check_hash_link(
self.hash_link,
self.get_ref_hash(net, self.share_info,
contents['ref_merkle_link']) +
pack.IntType(64).pack(self.contents['last_txout_nonce']) +
pack.IntType(32).pack(0),
self.gentx_before_refhash,
)
merkle_root = axe_data.check_merkle_link(self.gentx_hash,
self.merkle_link)
self.header = dict(self.min_header, merkle_root=merkle_root)
self.pow_hash = net.PARENT.POW_FUNC(
axe_data.block_header_type.pack(self.header))
self.hash = self.header_hash = net.PARENT.BLOCKHASH_FUNC(
axe_data.block_header_type.pack(self.header))
if self.target > net.MAX_TARGET:
from p2pool import p2p
raise p2p.PeerMisbehavingError('share target invalid')
if self.pow_hash > self.target:
from p2pool import p2p
raise p2p.PeerMisbehavingError('share PoW invalid')
self.new_transaction_hashes = self.share_info['new_transaction_hashes']
# XXX eww
self.time_seen = time.time()
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=axe_data.check_merkle_link(
axe_data.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))
