def compute(request):
state = current_work.value
user = worker_interface.get_username(request)
payout_script = get_payout_script_from_username(user)
if payout_script is None or random.uniform(0, 100) < args.worker_fee:
payout_script = my_script
if len(p2p_node.peers) == 0 and net.PERSIST:
raise jsonrpc.Error(-12345, u'p2pool is not connected to any peers')
if state['best_share_hash'] is None and net.PERSIST:
raise jsonrpc.Error(-12345, u'p2pool is downloading shares')
if time.time() > current_work2.value['last_update'] + 60:
raise jsonrpc.Error(-12345, u'lost contact with bitcoind')
previous_share = None if state['best_share_hash'] is None else tracker.shares[state['best_share_hash']]
subsidy = current_work2.value['subsidy']
share_info, generate_tx = p2pool_data.generate_transaction(
tracker=tracker,
share_data=dict(
previous_share_hash=state['best_share_hash'],
coinbase='' if state['aux_work'] is None else '\xfa\xbemm' + bitcoin_data.HashType().pack(state['aux_work']['hash'])[::-1] + struct.pack('<ii', 1, 0),
nonce=run_identifier + struct.pack('<Q', random.randrange(2**64)),
new_script=payout_script,
subsidy=subsidy,
donation=math.perfect_round(65535*args.donation_percentage/100),
stale_frac=(lambda shares, stales:
255 if shares == 0 else math.perfect_round(254*stales/shares)
)(*get_share_counts()),
),
block_target=state['target'],
desired_timestamp=int(time.time() - current_work2.value['clock_offset']),
net=net,
)
print 'New work for worker %s! Difficulty: %.06f Payout if block: %.6f %s Total block value: %.6f %s including %i transactions' % (
user,
bitcoin_data.target_to_difficulty(share_info['target']),
(sum(t['value'] for t in generate_tx['tx_outs'] if t['script'] == payout_script) - subsidy//200)*1e-8, net.BITCOIN_SYMBOL,
subsidy*1e-8, net.BITCOIN_SYMBOL,
len(current_work2.value['transactions']),
)
transactions = [generate_tx] + list(current_work2.value['transactions'])
merkle_root = bitcoin_data.merkle_hash(transactions)
merkle_root_to_transactions[merkle_root] = share_info, transactions, time.time()
return bitcoin_getwork.BlockAttempt(state['version'], state['previous_block'], merkle_root, current_work2.value['time'], state['target'], share_info['target']), state['best_share_hash']
def got_response(header, request):
try:
user = worker_interface.get_username(request)
# match up with transactions
xxx = merkle_root_to_transactions.get(header['merkle_root'],
None)
if xxx is None:
print '''Couldn't link returned work's merkle root with its transactions - should only happen if you recently restarted p2pool'''
return False
share_info, transactions, getwork_time = xxx
hash_ = bitcoin_data.block_header_type.hash256(header)
pow_hash = net.BITCOIN_POW_FUNC(header)
if pow_hash <= header['target'] or p2pool.DEBUG:
if factory.conn.value is not None:
factory.conn.value.send_block(
block=dict(header=header, txs=transactions))
else:
print 'No bitcoind connection! Erp!'
if pow_hash <= header['target']:
print
print 'GOT BLOCK! Passing to bitcoind! bitcoin: %x' % (
hash_, )
print
if current_work.value[
'aux_work'] is not None and pow_hash <= current_work.value[
'aux_work']['target']:
try:
aux_pow = dict(
merkle_tx=dict(
tx=transactions[0],
block_hash=hash_,
merkle_branch=[
x['hash'] for x in p2pool_data.
calculate_merkle_branch(transactions, 0)
],
index=0,
),
merkle_branch=[],
index=0,
parent_block_header=header,
)
a, b = transactions[0]['tx_ins'][0]['script'][
-32 - 8:-8].encode(
'hex'), bitcoin_data.aux_pow_type.pack(
aux_pow).encode('hex')
#print a, b
merged = jsonrpc.Proxy(args.merged_url,
(args.merged_userpass, ))
def _(res):
print "MERGED RESULT:", res
merged.rpc_getauxblock(a, b).addBoth(_)
except:
log.err(None,
'Error while processing merged mining POW:')
target = share_info['target']
if pow_hash > target:
print 'Worker submitted share with hash > target:\nhash : %x\ntarget: %x' % (
pow_hash, target)
return False
share = p2pool_data.Share(net,
header,
share_info,
other_txs=transactions[1:])
my_shares.add(share.hash)
if share.previous_hash != current_work.value['best_share_hash']:
doa_shares.add(share.hash)
print 'GOT SHARE! %s %s prev %s age %.2fs' % (
user, p2pool_data.format_hash(share.hash),
p2pool_data.format_hash(share.previous_hash), time.time() -
getwork_time) + (' DEAD ON ARRIVAL' if share.previous_hash
!= current_work.value['best_share_hash']
else '')
good = share.previous_hash == current_work.value[
'best_share_hash']
# maybe revert back to tracker being non-blocking so 'good' can be more accurate?
p2p_shares([share])
# eg. good = share.hash == current_work.value['best_share_hash'] here
return good
except:
log.err(None, 'Error processing data received from worker:')
return False
def compute(request):
state = current_work.value
user = worker_interface.get_username(request)
payout_script = get_payout_script_from_username(user)
if payout_script is None or random.uniform(0,
100) < args.worker_fee:
payout_script = my_script
if len(p2p_node.peers) == 0 and net.PERSIST:
raise jsonrpc.Error(-12345,
u'p2pool is not connected to any peers')
if state['best_share_hash'] is None and net.PERSIST:
raise jsonrpc.Error(-12345, u'p2pool is downloading shares')
if time.time() > current_work2.value['last_update'] + 60:
raise jsonrpc.Error(-12345, u'lost contact with bitcoind')
previous_share = None if state[
'best_share_hash'] is None else tracker.shares[
state['best_share_hash']]
subsidy = current_work2.value['subsidy']
share_info, generate_tx = p2pool_data.generate_transaction(
tracker=tracker,
share_data=dict(
previous_share_hash=state['best_share_hash'],
coinbase='' if state['aux_work'] is None else
'\xfa\xbemm' + bitcoin_data.HashType().pack(
state['aux_work']['hash'])[::-1] +
struct.pack('<ii', 1, 0),
nonce=run_identifier +
struct.pack('<Q', random.randrange(2**64)),
new_script=payout_script,
subsidy=subsidy,
donation=math.perfect_round(
65535 * args.donation_percentage / 100),
stale_frac=(lambda shares, stales: 255 if shares == 0 else
math.perfect_round(254 * stales / shares))(
*get_share_counts()),
),
block_target=state['target'],
desired_timestamp=int(time.time() -
current_work2.value['clock_offset']),
net=net,
)
print 'New work for worker %s! Difficulty: %.06f Payout if block: %.6f %s Total block value: %.6f %s including %i transactions' % (
user,
bitcoin_data.target_to_difficulty(share_info['target']),
(sum(t['value'] for t in generate_tx['tx_outs']
if t['script'] == payout_script) - subsidy // 200) * 1e-8,
net.BITCOIN_SYMBOL,
subsidy * 1e-8,
net.BITCOIN_SYMBOL,
len(current_work2.value['transactions']),
)
transactions = [generate_tx] + list(
current_work2.value['transactions'])
merkle_root = bitcoin_data.merkle_hash(transactions)
merkle_root_to_transactions[
merkle_root] = share_info, transactions, time.time()
return bitcoin_getwork.BlockAttempt(
state['version'], state['previous_block'], merkle_root,
current_work2.value['time'], state['target'],
share_info['target']), state['best_share_hash']
def got_response(header, request):
try:
user = worker_interface.get_username(request)
# match up with transactions
xxx = merkle_root_to_transactions.get(header['merkle_root'], None)
if xxx is None:
print '''Couldn't link returned work's merkle root with its transactions - should only happen if you recently restarted p2pool'''
return False
share_info, transactions, getwork_time = xxx
hash_ = bitcoin_data.block_header_type.hash256(header)
pow_hash = net.BITCOIN_POW_FUNC(header)
if pow_hash <= header['target'] or p2pool.DEBUG:
if factory.conn.value is not None:
factory.conn.value.send_block(block=dict(header=header, txs=transactions))
else:
print 'No bitcoind connection! Erp!'
if pow_hash <= header['target']:
print
print 'GOT BLOCK! Passing to bitcoind! bitcoin: %x' % (hash_,)
print
if current_work.value['aux_work'] is not None and pow_hash <= current_work.value['aux_work']['target']:
try:
aux_pow = dict(
merkle_tx=dict(
tx=transactions[0],
block_hash=hash_,
merkle_branch=[x['hash'] for x in p2pool_data.calculate_merkle_branch(transactions, 0)],
index=0,
),
merkle_branch=[],
index=0,
parent_block_header=header,
)
a, b = transactions[0]['tx_ins'][0]['script'][-32-8:-8].encode('hex'), bitcoin_data.aux_pow_type.pack(aux_pow).encode('hex')
#print a, b
merged = jsonrpc.Proxy(args.merged_url, (args.merged_userpass,))
def _(res):
print "MERGED RESULT:", res
merged.rpc_getauxblock(a, b).addBoth(_)
except:
log.err(None, 'Error while processing merged mining POW:')
target = share_info['target']
if pow_hash > target:
print 'Worker submitted share with hash > target:\nhash : %x\ntarget: %x' % (pow_hash, target)
return False
share = p2pool_data.Share(net, header, share_info, other_txs=transactions[1:])
my_shares.add(share.hash)
if share.previous_hash != current_work.value['best_share_hash']:
doa_shares.add(share.hash)
print 'GOT SHARE! %s %s prev %s age %.2fs' % (user, p2pool_data.format_hash(share.hash), p2pool_data.format_hash(share.previous_hash), time.time() - getwork_time) + (' DEAD ON ARRIVAL' if share.previous_hash != current_work.value['best_share_hash'] else '')
good = share.previous_hash == current_work.value['best_share_hash']
# maybe revert back to tracker being non-blocking so 'good' can be more accurate?
p2p_shares([share])
# eg. good = share.hash == current_work.value['best_share_hash'] here
return good
except:
log.err(None, 'Error processing data received from worker:')
return False
