def test_flip(self):
x = torch.rand(6, 3, 9, 3, 2)
x = util.flip(x)
f = x.view(-1, 2)
self.assertEqual((f[:, 0] < f[:, 1]).sum(), 0)
self.assertEqual(len(x.size()), 5)
x = torch.randint(10, size=(3, 128, 2))
x = util.flip(x)
f = x.view(-1, 2)
self.assertEqual((f[:, 0] < f[:, 1]).sum(), 0)
self.assertEqual(len(x.size()), 3)
def load_network(configs):
edges_file = open(
configs['network_file'], 'r'
) #note: with nx.Graph (undirected), there are 2951 edges, with nx.DiGraph (directed), there are 3272 edges
M = nx.DiGraph()
next(edges_file) #ignore the first line
for e in edges_file:
interaction = e.split()
assert len(interaction) >= 2
source, target = str(interaction[0]).strip().replace("'", '').replace(
'(', '').replace(')', ''), str(interaction[1]).strip().replace(
"'", '').replace('(', '').replace(')', '')
if (len(interaction) > 2):
if (str(interaction[2]) == '+'):
Ijk = 1
elif (str(interaction[2]) == '-'):
Ijk = -1
else:
print("Error: bad interaction sign in file " +
str(edges_file) + "\nExiting...")
sys.exit()
else:
Ijk = util.flip()
M.add_edge(source, target, sign=Ijk)
return M
def randomTerm( self ):
player = None
if util.flip( ):
player = srctype.OPPONENT
else:
player = srctype.PLAYER
#-1 here since this will reference our list blindly
term = (player,random.randint(0,self.agent.mem-1),)
return term
def act(self, policy, verbose=False):
if util.flip(self.epsilon):
return random.randint(0, self.action_size)
[qDists] = policy
if verbose:
print("qDists", qDists)
samples = [random.normal(mean, std) for mean, std in qDists]
return argmax(samples)
def sample_tftd():
n_vars = np.random.randint(10000)
n_clauses = np.random.randint(100000)
n_cells = np.random.randint(1000000)
return TFTD(dp_id=np.random.randint(10000),
is_train=util.flip(0.5),
n_vars=n_vars,
n_clauses=n_clauses,
CL_idxs=np.random.randint(n_clauses,
size=(n_cells, 2),
dtype=np.int32),
core_var_mask=(np.random.randint(
2, size=(n_vars), dtype=np.int32) < 1),
core_clause_mask=(np.random.randint(
2, size=(n_clauses), dtype=np.int32) < 1))
def submit_share(self, job_id, worker_name, session, extranonce1_bin, data,
difficulty):
job = self.get_job(job_id)
if job == None:
raise SubmitException("Job '%s' not found" % job_id)
ntime = util.flip(data[136:144])
if not job.check_ntime(int(ntime, 16)):
raise SubmitException("Ntime out of range")
if not job.register_submit(data):
log.info("Duplicate from %s, (%s %s)" % \
(worker_name, binascii.hexlify(extranonce1_bin), data))
raise SubmitException("Duplicate share")
hash_int = gapcoin_hash.getpowdiff(str(data))
block_hash_bin = util.doublesha(binascii.unhexlify(data[0:168]))
block_hash_hex = util.rev(binascii.hexlify(block_hash_bin))
'''log.info("block_hash_hex %s" % block_hash_hex)
log.info("shrint %s" % hash_int)
log.info("jobint %s" % job.target)%f
log.info("target %s" % difficulty)'''
if hash_int < difficulty:
raise SubmitException("Share less than target")
share_diff = float(float(hash_int) / float(pow(2, 48)))
if hash_int >= job.target:
log.info("BLOCK CANDIDATE! %s" % block_hash_hex)
extranonce2_bin = struct.pack('>L', 0)
#self.last_block.vtx[0].set_extranonce(extranonce1_bin + extranonce2_bin)
#txs = binascii.hexlify(util.ser_vector(self.last_block.vtx))
job.vtx[0].set_extranonce(extranonce1_bin + extranonce2_bin)
txs = binascii.hexlify(util.ser_vector(job.vtx))
serialized = str(data) + str(txs)
on_submit = self.bitcoin_rpc.submitblock(str(data), str(txs),
block_hash_hex)
if on_submit:
self.update_block()
return (block_hash_hex, share_diff, on_submit)
return (block_hash_hex, share_diff, None)
def breed( self, p1, p2 ):
unlitsq = self.graph.sqgt[gt.UNLIT].copy( )
random.shuffle( unlitsq )
self.birth=self.gen.num
while len(unlitsq) > 0:
sqr = unlitsq.pop( )
if sqr.isBlack( ):
continue
if flip( ):
if p1.graph.data[sqr.x][sqr.y].type == gt.BULB:
self.graph.addLight( sqr.x, sqr.y, False )
if self.graph.data[sqr.x][sqr.y].type != gt.BULB:
raise TypeError("NOT A BULB!")
elif p2.graph.data[sqr.x][sqr.y].type == gt.BULB:
self.graph.addLight( sqr.x, sqr.y, False )
if self.graph.data[sqr.x][sqr.y].type != gt.BULB:
raise TypeError("NOT A BULB!")
def map_callback(self, data):
print("--------Map callback--------")
size_x = data.info.width
size_y = data.info.height
self.cv_map = np.zeros(shape=(size_y, size_x))
if size_x < 3 or size_y < 3:
print(
"Map size is only x: {}, y: {}. Not running map to image conversion."
.format(size_x, size_y))
rows, columns = self.cv_map.shape
if rows != size_y and columns != size_x:
self.cv_map = np.array([size_y, size_x])
self.map_resolution = data.info.resolution
self.map_transform = data.info.origin
grid = flip(np.reshape(data.data, (size_y, size_x)), 0)
for i in range(size_y):
for j in range(size_x):
if grid[i][j] == -1:
self.cv_map[i][j] = 127
elif grid[i][j] == 100:
self.cv_map[i][j] = 0
elif grid[i][j] == 0:
self.cv_map[i][j] = 255
else:
print('Error at i:' + str(grid[i][j]))
print("Map successfully saved.")
pixel_goals = self.goal_generator.generate_points()
self.viewpoints = [self.transform_map_point(p) for p in pixel_goals]
self.goals_left = self.viewpoints[:]
print("Transformed goals to map coordinates")
print("Viewpoints: ", self.viewpoints)
self.state = states.READY_FOR_GOAL
def __init__( self, agent, maxdepth, method ):
self.agent = agent
self.meth = method
#The max depth our tree should have
#FIXME: This should be generation-level
self.maxdepth = maxdepth
#Array of all nodes
self.nodes = []
#Root node
self.root = None
#Our children update our depth as they're added
self.depth = 0
#We do grow, randomly if "half and half"
if( self.meth == HALFANDHALF and util.flip( ) ) or self.meth == GROW:
self.populate( GROW )
elif self.meth == HALFANDHALF or self.meth == FULL: #Otherwise we do full initialization
self.populate( FULL )
def load_network (configs):
edges_file = open (configs['network_file'],'r') #note: with nx.Graph (undirected), there are 2951 edges, with nx.DiGraph (directed), there are 3272 edges
M=nx.DiGraph()
next(edges_file) #ignore the first line
i=0
set_nodes=[]
for e in edges_file:
i+=1
set_nodes.append(e.split()[0])
set_nodes.append(e.split()[1])
interaction = e.split()
assert len(interaction)>=2
source, target = str(interaction[0]), str(interaction[1])
if source == target:
print ("source == target")
if (len(interaction) >2):
if (str(interaction[2]) == '+'):
Ijk=1
elif (str(interaction[2]) == '-'):
Ijk=-1
else:
print ("Error: bad interaction sign in file "+network_edge_file+"\nExiting...")
sys.exit()
else:
Ijk=util.flip()
M.add_edge(source, target, sign=Ijk)
print ("lines "+str(i))
print ("nx edges "+str(len(M.edges())))
print ("nx nodes "+str(len(M.nodes())))
print ("set nodes "+str(len(set(set_nodes))))
# conservation scores:
if not configs['biased']:
return M
else:
return conservation_scores (M, configs)
def submit_share(self, job_id, worker_name, session, extranonce1_bin, extranonce2, ntime, nonce,
difficulty):
'''Check parameters and finalize block template. If it leads
to valid block candidate, asynchronously submits the block
back to the bitcoin network.
- extranonce1_bin is binary. No checks performed, it should be from session data
- job_id, extranonce2, ntime, nonce - in hex form sent by the client
- difficulty - decimal number from session, again no checks performed
- submitblock_callback - reference to method which receive result of submitblock()
'''
# Check if extranonce2 looks correctly. extranonce2 is in hex form...
if len(extranonce2) != self.extranonce2_size * 2:
raise SubmitException("Incorrect size of extranonce2. Expected %d chars" % (self.extranonce2_size*2))
# Check for job
job = self.get_job(job_id)
if job == None:
raise SubmitException("Job '%s' not found" % job_id)
# Check if ntime looks correct
if len(ntime) != 8:
raise SubmitException("Incorrect size of ntime. Expected 8 chars")
if not job.check_ntime(int(ntime, 16)):
raise SubmitException("Ntime out of range")
# Check nonce
if len(nonce) != 8:
raise SubmitException("Incorrect size of nonce. Expected 8 chars")
# Check for duplicated submit
if not job.register_submit(extranonce1_bin, extranonce2, ntime, nonce):
log.info("Duplicate from %s, (%s %s %s %s)" % \
(worker_name, binascii.hexlify(extranonce1_bin), extranonce2, ntime, nonce))
raise SubmitException("Duplicate share")
# Now let's do the hard work!
# ---------------------------
# 0. Some sugar
extranonce2_bin = binascii.unhexlify(extranonce2)
ntime_bin = binascii.unhexlify(ntime)
nonce_bin = binascii.unhexlify(nonce)
# 1. Build coinbase
coinbase_bin = job.serialize_coinbase(extranonce1_bin, extranonce2_bin)
coinbase_hash = util.doublesha(coinbase_bin)
# 2. Calculate merkle root
merkle_root_bin = job.merkletree.withFirst(coinbase_hash)
merkle_root_int = util.uint256_from_str(merkle_root_bin)
# 3. Serialize header with given merkle, ntime and nonce
header_bin = job.serialize_header(merkle_root_int, ntime_bin, nonce_bin)
# 4. Reverse header and compare it with target of the user
if settings.COINDAEMON_ALGO == 'scrypt':
hash_bin = ltc_scrypt.getPoWHash(''.join([ header_bin[i*4:i*4+4][::-1] for i in range(0, 20) ]))
elif settings.COINDAEMON_ALGO == 'scrypt-jane':
hash_bin = yac_scrypt.getPoWHash(''.join([ header_bin[i*4:i*4+4][::-1] for i in range(0, 20) ]), int(ntime, 16))
elif settings.COINDAEMON_ALGO == 'quark':
hash_bin = quark_hash.getPoWHash(''.join([ header_bin[i*4:i*4+4][::-1] for i in range(0, 20) ]))
elif settings.COINDAEMON_ALGO == 'skeinhash':
hash_bin = skeinhash.skeinhash(''.join([ header_bin[i*4:i*4+4][::-1] for i in range(0, 20) ]))
else:
hash_bin = util.doublesha(''.join([ header_bin[i*4:i*4+4][::-1] for i in range(0, 20) ]))
hash_int = util.uint256_from_str(hash_bin)
scrypt_hash_hex = "%064x" % hash_int
header_hex = binascii.hexlify(header_bin)
if settings.COINDAEMON_ALGO == 'scrypt' or settings.COINDAEMON_ALGO == 'scrypt-jane':
header_hex = header_hex+"000000800000000000000000000000000000000000000000000000000000000000000000000000000000000080020000"
elif settings.COINDAEMON_ALGO == 'quark':
header_hex = header_hex+"000000800000000000000000000000000000000000000000000000000000000000000000000000000000000080020000"
else: pass
target_user = self.diff_to_target(difficulty)
if hash_int > target_user:
raise SubmitException("Share is above target")
# Mostly for debugging purposes
target_info = self.diff_to_target(100000)
if hash_int <= target_info:
log.info("Yay, share with diff above 100000")
# Algebra tells us the diff_to_target is the same as hash_to_diff
share_diff = int(self.diff_to_target(hash_int))
on_submit = None
mm_submit = None
if settings.SOLUTION_BLOCK_HASH:
# Reverse the header and get the potential block hash (for scrypt only) only do this if we want to send in the block hash to the shares table
block_hash_bin = util.doublesha(''.join([ header_bin[i*4:i*4+4][::-1] for i in range(0, 20) ]))
block_hash_hex = block_hash_bin[::-1].encode('hex_codec')
# 5. Compare hash with target of the network
if hash_int <= job.target:
# Yay! It is block candidate!
log.info("We found a block candidate! %s" % scrypt_hash_hex)
# Reverse the header and get the potential block hash (for scrypt only)
#if settings.COINDAEMON_ALGO == 'scrypt' or settings.COINDAEMON_ALGO == 'sha256d':
# if settings.COINDAEMON_Reward == 'POW':
block_hash_bin = util.doublesha(''.join([ header_bin[i*4:i*4+4][::-1] for i in range(0, 20) ]))
block_hash_hex = block_hash_bin[::-1].encode('hex_codec')
#else: block_hash_hex = hash_bin[::-1].encode('hex_codec')
#else: block_hash_hex = hash_bin[::-1].encode('hex_codec')
# 6. Finalize and serialize block object
job.finalize(merkle_root_int, extranonce1_bin, extranonce2_bin, int(ntime, 16), int(nonce, 16))
if not job.is_valid():
# Should not happen
log.exception("FINAL JOB VALIDATION FAILED!(Try enabling/disabling tx messages)")
# 7. Submit block to the network
serialized = binascii.hexlify(job.serialize())
on_submit = self.bitcoin_rpc.submitblock(serialized, block_hash_hex, scrypt_hash_hex)
if on_submit:
self.update_block()
# 8. Compare hash with target of mm network
if hash_int <= job.mm_target:
log.info("We found a mm block candidate! %s" % scrypt_hash_hex)
coinbase_hex = binascii.hexlify(coinbase_bin)
branch_count = job.merkletree.branchCount()
branch_hex = job.merkletree.branchHex()
parent_hash = util.rev("%064x" % hash_int)
parent_header = util.flip(header_hex)
submission = coinbase_hex + parent_hash + branch_count + branch_hex + "000000000000000000" + parent_header;
mm_submit = self.mm_rpc.getauxblock(self.mm_hash,submission)
log.debug("Coinbase:%s",coinbase_hex)
log.debug("Branch Count:%s",branch_count)
log.debug("Branch Hex:%s",branch_hex)
log.debug("Parent Hash:%s",parent_hash)
log.debug("Parent Header:%s",parent_header)
log.debug("MM Hash:%s",self.mm_hash)
log.debug(" AuxPow:%s",submission)
log.debug(" Res:"+str(mm_submit))
if settings.SOLUTION_BLOCK_HASH:
return (header_hex, block_hash_hex, self.mm_hash, share_diff, on_submit, mm_submit)
else:
return (header_hex, scrypt_hash_hex, self.mm_hash, share_diff, on_submit, mm_submit)
def randomNodule( self, parent, meth=None ):
#True? We're going to be a terminal
if ( meth == GROW and util.flip( ) ) or self.maxdepth <= 1 or ( parent != None and parent.depth == self.maxdepth-2 ):
return node( self, parent, op=self.randomTerm( ), leaf=True )
else:
return node( self, parent, leaf=False )
def construct_grid(tiles):
edges, flipped_edges = util.edges(tiles)
corners, corner_unique_edges = util.find_corners(tiles)
print('edges', edges)
print('flipped_edges', flipped_edges)
i = 0
while not (set(corner_unique_edges[0]) == set(
[edges[3][corners[0]], edges[0][corners[0]]])):
util.rotate(corners[0], tiles, edges, flipped_edges)
i += 1
print('top left corner is tile', corners[0],
[edges[3][corners[0]], edges[0][corners[0]]])
print('Rotated ', corners[0], i, 'times')
util.print_tile(corners[0], tiles, edges, flipped_edges)
grid_dim = int(sqrt(len(tiles)))
assert grid_dim * grid_dim == len(
tiles), "Can't find grid dimensions, # tiles = " + str(len(tiles))
# So now corners[0] is rotated to be top-left. We didn't do any check about whether to flip
# it or not; we just declared that its side that faces up is correct for now.
#
# Next we'll assemble the rest of the tiles into a consistent grid, rotating or flipping each
# as necessary. This consistent grid may still need to be flipped or rotated in its entirety
# to find sea monsters.
# grid will be indexed as [x][y]
grid = [None] * grid_dim
for i in range(len(grid)):
grid[i] = [None] * grid_dim
# print ('grid', grid)
tiles_to_place = set([t for t in tiles.keys()])
tiles_to_place.remove(corners[0])
grid[0][0] = corners[0]
# print ('tiles_to_place', len(tiles_to_place), tiles_to_place)
for c in range(grid_dim):
# Place the top tile in the column, except for column 0 where it's already placed.
if c != 0:
print('top... tiles_to_place', len(tiles_to_place), tiles_to_place)
glue = util.flip_int(edges[1][grid[c - 1][0]]) # 1 == right edge
print('right glue', glue)
print('edges', edges)
print('flipped_edges', flipped_edges)
# Find the one and only tile left with that side.
# First check the ones that are face up.
found = None
face_down = False
for t in tiles_to_place:
for e in range(4):
if edges[e][t] == glue:
assert not found, "uh oh" + str((found, t))
found = t
print('found', t, 'face up', c, 0)
if flipped_edges[e][t] == glue:
assert not found, 'ooopsie'
found = t
face_down = True
print('found', t, 'face down', c, 0)
if face_down:
util.flip(found, tiles, edges, flipped_edges)
while edges[3][found] != glue: # 3 == left edge
util.rotate(found, tiles, edges, flipped_edges)
grid[c][0] = found
tiles_to_place.remove(found)
# Place the rest of the column, top to bottom.
for r in range(1, grid_dim):
print('tiles_to_place', len(tiles_to_place), tiles_to_place)
print('r', r)
prev_tile = grid[c][r - 1]
print('prev_tile', prev_tile)
glue = util.flip_int(edges[2][prev_tile]) # 2 == bottom edge
print('glue', glue)
# Find the one and only tile left with that side.
# First check the ones that are face up.
found = None
face_down = False
for t in tiles_to_place:
for e in range(4):
if edges[e][t] == glue:
assert not found, "uh oh" + str((found, t))
found = t
print('found', t, 'face up', c, r)
if flipped_edges[e][t] == glue:
assert not found, 'ooopsie'
found = t
face_down = True
print('found', t, 'face down', c, r)
if face_down:
util.flip(found, tiles, edges, flipped_edges)
while edges[0][found] != glue:
util.rotate(found, tiles, edges, flipped_edges)
grid[c][r] = found
tiles_to_place.remove(found)
return grid
def submit_share(self, job_id, worker_name, session, extranonce1_bin,
extranonce2, ntime, nonce, difficulty):
'''Check parameters and finalize block template. If it leads
to valid block candidate, asynchronously submits the block
back to the bitcoin network.
- extranonce1_bin is binary. No checks performed, it should be from session data
- job_id, extranonce2, ntime, nonce - in hex form sent by the client
- difficulty - decimal number from session, again no checks performed
- submitblock_callback - reference to method which receive result of submitblock()
'''
# Check if extranonce2 looks correctly. extranonce2 is in hex form...
if len(extranonce2) != self.extranonce2_size * 2:
raise SubmitException(
"Incorrect size of extranonce2. Expected %d chars" %
(self.extranonce2_size * 2))
# Check for job
job = self.get_job(job_id)
if job == None:
raise SubmitException("Job '%s' not found" % job_id)
# Check if ntime looks correct
if len(ntime) != 8:
raise SubmitException("Incorrect size of ntime. Expected 8 chars")
if not job.check_ntime(int(ntime, 16)):
raise SubmitException("Ntime out of range")
# Check nonce
if len(nonce) != 8:
raise SubmitException("Incorrect size of nonce. Expected 8 chars")
# Check for duplicated submit
if not job.register_submit(extranonce1_bin, extranonce2, ntime, nonce):
log.info("Duplicate from %s, (%s %s %s %s)" % \
(worker_name, binascii.hexlify(extranonce1_bin), extranonce2, ntime, nonce))
raise SubmitException("Duplicate share")
# Now let's do the hard work!
# ---------------------------
# 0. Some sugar
extranonce2_bin = binascii.unhexlify(extranonce2)
ntime_bin = binascii.unhexlify(ntime)
nonce_bin = binascii.unhexlify(nonce)
# 1. Build coinbase
coinbase_bin = job.serialize_coinbase(extranonce1_bin, extranonce2_bin)
coinbase_hash = util.doublesha(coinbase_bin)
# 2. Calculate merkle root
merkle_root_bin = job.merkletree.withFirst(coinbase_hash)
merkle_root_int = util.uint256_from_str(merkle_root_bin)
# 3. Serialize header with given merkle, ntime and nonce
header_bin = job.serialize_header(merkle_root_int, ntime_bin,
nonce_bin)
# 4. Reverse header and compare it with target of the user
if settings.COINDAEMON_ALGO == 'scrypt':
hash_bin = ltc_scrypt.getPoWHash(''.join(
[header_bin[i * 4:i * 4 + 4][::-1] for i in range(0, 20)]))
elif settings.COINDAEMON_ALGO == 'scrypt-jane':
hash_bin = yac_scrypt.getPoWHash(
''.join(
[header_bin[i * 4:i * 4 + 4][::-1] for i in range(0, 20)]),
int(ntime, 16))
elif settings.COINDAEMON_ALGO == 'quark':
hash_bin = quark_hash.getPoWHash(''.join(
[header_bin[i * 4:i * 4 + 4][::-1] for i in range(0, 20)]))
elif settings.COINDAEMON_ALGO == 'skeinhash':
hash_bin = skeinhash.skeinhash(''.join(
[header_bin[i * 4:i * 4 + 4][::-1] for i in range(0, 20)]))
else:
hash_bin = util.doublesha(''.join(
[header_bin[i * 4:i * 4 + 4][::-1] for i in range(0, 20)]))
hash_int = util.uint256_from_str(hash_bin)
scrypt_hash_hex = "%064x" % hash_int
header_hex = binascii.hexlify(header_bin)
if settings.COINDAEMON_ALGO == 'scrypt' or settings.COINDAEMON_ALGO == 'scrypt-jane':
header_hex = header_hex + "000000800000000000000000000000000000000000000000000000000000000000000000000000000000000080020000"
elif settings.COINDAEMON_ALGO == 'quark':
header_hex = header_hex + "000000800000000000000000000000000000000000000000000000000000000000000000000000000000000080020000"
else:
pass
target_user = self.diff_to_target(difficulty)
if hash_int > target_user:
raise SubmitException("Share is above target")
# Mostly for debugging purposes
target_info = self.diff_to_target(100000)
if hash_int <= target_info:
log.info("Yay, share with diff above 100000")
# Algebra tells us the diff_to_target is the same as hash_to_diff
share_diff = int(self.diff_to_target(hash_int))
on_submit = None
mm_submit = None
if settings.SOLUTION_BLOCK_HASH:
# Reverse the header and get the potential block hash (for scrypt only) only do this if we want to send in the block hash to the shares table
block_hash_bin = util.doublesha(''.join(
[header_bin[i * 4:i * 4 + 4][::-1] for i in range(0, 20)]))
block_hash_hex = block_hash_bin[::-1].encode('hex_codec')
# 5. Compare hash with target of the network
if hash_int <= job.target:
# Yay! It is block candidate!
log.info("We found a block candidate! %s" % scrypt_hash_hex)
# Reverse the header and get the potential block hash (for scrypt only)
#if settings.COINDAEMON_ALGO == 'scrypt' or settings.COINDAEMON_ALGO == 'sha256d':
# if settings.COINDAEMON_Reward == 'POW':
block_hash_bin = util.doublesha(''.join(
[header_bin[i * 4:i * 4 + 4][::-1] for i in range(0, 20)]))
block_hash_hex = block_hash_bin[::-1].encode('hex_codec')
#else: block_hash_hex = hash_bin[::-1].encode('hex_codec')
#else: block_hash_hex = hash_bin[::-1].encode('hex_codec')
# 6. Finalize and serialize block object
job.finalize(merkle_root_int, extranonce1_bin, extranonce2_bin,
int(ntime, 16), int(nonce, 16))
if not job.is_valid():
# Should not happen
log.exception(
"FINAL JOB VALIDATION FAILED!(Try enabling/disabling tx messages)"
)
# 7. Submit block to the network
serialized = binascii.hexlify(job.serialize())
on_submit = self.bitcoin_rpc.submitblock(serialized,
block_hash_hex,
scrypt_hash_hex)
if on_submit:
self.update_block()
# 8. Compare hash with target of mm network
if hash_int <= job.mm_target:
log.info("We found a mm block candidate! %s" % scrypt_hash_hex)
coinbase_hex = binascii.hexlify(coinbase_bin)
branch_count = job.merkletree.branchCount()
branch_hex = job.merkletree.branchHex()
parent_hash = util.rev("%064x" % hash_int)
parent_header = util.flip(header_hex)
submission = coinbase_hex + parent_hash + branch_count + branch_hex + "000000000000000000" + parent_header
mm_submit = self.mm_rpc.getauxblock(self.mm_hash, submission)
log.debug("Coinbase:%s", coinbase_hex)
log.debug("Branch Count:%s", branch_count)
log.debug("Branch Hex:%s", branch_hex)
log.debug("Parent Hash:%s", parent_hash)
log.debug("Parent Header:%s", parent_header)
log.debug("MM Hash:%s", self.mm_hash)
log.debug(" AuxPow:%s", submission)
log.debug(" Res:" + str(mm_submit))
if settings.SOLUTION_BLOCK_HASH:
return (header_hex, block_hash_hex, self.mm_hash, share_diff,
on_submit, mm_submit)
else:
return (header_hex, scrypt_hash_hex, self.mm_hash, share_diff,
on_submit, mm_submit)
from collections import Counter
from itertools import starmap, groupby
from operator import sub
from util import read_input, flip, rolling
inputs = [int(i) for i in read_input(10).splitlines()]
voltages = list(sorted(inputs))
voltages.insert(0, 0)
voltages.append(voltages[-1] + 3)
c = Counter((starmap(flip(sub), rolling(voltages, 2))))
n1 = c.pop(1)
n3 = c.pop(3)
ansA = n1 * n3
assert ansA > 2628
assert ansA == 2738
assert len(c) == 0 # there were only 1-diff and 3-diff voltages!
diffs = starmap(flip(sub), rolling(voltages, 2))
n_combs = 1
comb_dict = {1: 2**0, 2: 2**1, 3: 2**2, 4: 2**3 - 1}
for key, grp in groupby(diffs):
if key == 3:
# 3-steps are fixed. no freedom to choose here...
continue
else:
# the longest chunk is 4, so i have precomputed the number of choices possible
grp_len = sum(1 for _ in grp)
n_combs *= comb_dict[grp_len]
