本文整理汇总了Python中util.math.clip函数的典型用法代码示例。如果您正苦于以下问题：Python clip函数的具体用法？Python clip怎么用？Python clip使用的例子？那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。
在下文中一共展示了clip函数的5个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: get_work
#.........这里部分代码省略.........
block_target=self.current_work.value['bits'].target,
desired_timestamp=int(time.time() + 0.5),
desired_target=desired_share_target,
ref_merkle_link=dict(branch=[], index=0),
desired_other_transaction_hashes_and_fees=zip(tx_hashes, self.current_work.value['transaction_fees']),
net=self.node.net,
known_txs=tx_map,
base_subsidy=self.node.net.PARENT.SUBSIDY_FUNC(self.current_work.value['height']),
)
packed_gentx = bitcoin_data.tx_type.pack(gentx)
other_transactions = [tx_map[tx_hash] for tx_hash in other_transaction_hashes]
mm_later = [(dict(aux_work, target=aux_work['target'] if aux_work['target'] == 'p2pool' else share_info['bits'].target), index, hashes) for aux_work, index, hashes in mm_later]
if desired_pseudoshare_target is None:
target = 2**256-1
local_hash_rate = self._estimate_local_hash_rate()
if local_hash_rate is not None:
target = min(target,
bitcoin_data.average_attempts_to_target(local_hash_rate * 1)) # limit to 1 share response every second by modulating pseudoshare difficulty
else:
target = desired_pseudoshare_target
# target = max(target, share_info['bits'].target)
for aux_work, index, hashes in mm_later:
target = max(target, aux_work['target'])
target = math.clip(target, self.node.net.PARENT.SANE_TARGET_RANGE)
getwork_time = time.time()
lp_count = self.new_work_event.times
merkle_link = bitcoin_data.calculate_merkle_link([None] + other_transaction_hashes, 0)
print 'New work for worker! Difficulty: %.06f Share difficulty: %.08f Total block value: %.6f %s including %i transactions' % (
bitcoin_data.target_to_difficulty(target),
bitcoin_data.target_to_difficulty(share_info['bits'].target),
self.current_work.value['subsidy']*1e-8, self.node.net.PARENT.SYMBOL,
len(self.current_work.value['transactions']),
)
ba = dict(
version=min(self.current_work.value['version'], 2),
previous_block=self.current_work.value['previous_block'],
merkle_link=merkle_link,
coinb1=packed_gentx[:-self.COINBASE_NONCE_LENGTH-4],
coinb2=packed_gentx[-4:],
timestamp=self.current_work.value['time'],
bits=self.current_work.value['bits'],
share_target=target,
)
received_header_hashes = set()
def got_response(header, user, coinbase_nonce):
assert len(coinbase_nonce) == self.COINBASE_NONCE_LENGTH
new_packed_gentx = packed_gentx[:-self.COINBASE_NONCE_LENGTH-4] + coinbase_nonce + packed_gentx[-4:] if coinbase_nonce != '\0'*self.COINBASE_NONCE_LENGTH else packed_gentx
new_gentx = bitcoin_data.tx_type.unpack(new_packed_gentx) if coinbase_nonce != '\0'*self.COINBASE_NONCE_LENGTH else gentx
示例2: get_work
def get_work(self, pubkey, desired_share_target, desired_pseudoshare_target):
if (self.node.p2p_node is None or len(self.node.p2p_node.peers) == 0) and self.node.net.PERSIST:
raise jsonrpc.Error_for_code(-12345)(u'p2pool is not connected to any peers')
if self.node.best_share_var.value is None and self.node.net.PERSIST:
raise jsonrpc.Error_for_code(-12345)(u'p2pool is downloading shares')
if time.time() > self.current_work.value['last_update'] + 60:
raise jsonrpc.Error_for_code(-12345)(u'lost contact with bitcoind')
if self.merged_work.value:
tree, size = bitcoin_data.make_auxpow_tree(self.merged_work.value)
mm_hashes = [self.merged_work.value.get(tree.get(i), dict(hash=0))['hash'] for i in xrange(size)]
mm_data = '\xfa\xbemm' + bitcoin_data.aux_pow_coinbase_type.pack(dict(
merkle_root=bitcoin_data.merkle_hash(mm_hashes),
size=size,
nonce=0,
))
mm_later = [(aux_work, mm_hashes.index(aux_work['hash']), mm_hashes) for chain_id, aux_work in self.merged_work.value.iteritems()]
else:
mm_data = ''
mm_later = []
tx_hashes = [bitcoin_data.hash256(bitcoin_data.tx_type.pack(tx)) for tx in self.current_work.value['transactions']]
tx_map = dict(zip(tx_hashes, self.current_work.value['transactions']))
txn_timestamp = self.current_work.value['txn_timestamp']
#print
#print txn_timestamp
#print
if self.node.best_share_var.value is None:
share_type = p2pool_data.Share
else:
previous_share = self.node.tracker.items[self.node.best_share_var.value]
previous_share_type = type(previous_share)
if previous_share_type.SUCCESSOR is None or self.node.tracker.get_height(previous_share.hash) < self.node.net.CHAIN_LENGTH:
share_type = previous_share_type
else:
successor_type = previous_share_type.SUCCESSOR
counts = p2pool_data.get_desired_version_counts(self.node.tracker,
self.node.tracker.get_nth_parent_hash(previous_share.hash, self.node.net.CHAIN_LENGTH*9//10), self.node.net.CHAIN_LENGTH//10)
# Share -> NewShare only valid if 85% of hashes in [net.CHAIN_LENGTH*9//10, net.CHAIN_LENGTH] for new version
if counts.get(successor_type.VERSION, 0) > sum(counts.itervalues())*95//100:
share_type = successor_type
else:
share_type = previous_share_type
if True:
subsidy = self.node.net.PARENT.SUBSIDY_FUNC(self.current_work.value['bits'].target)
desired_timestamp = int(time.time() + 0.5)
share_info, gentx, other_transaction_hashes, get_share = share_type.generate_transaction(
tracker=self.node.tracker,
share_data=dict(
previous_share_hash=self.node.best_share_var.value,
coinbase=(script.create_push_script([
self.current_work.value['height'],
] + ([mm_data] if mm_data else []) + [
]) + self.current_work.value['coinbaseflags'])[:100],
nonce=random.randrange(2**32),
pubkey=pubkey,
subsidy=self.current_work.value['subsidy'],
donation=math.perfect_round(65535*self.donation_percentage/100),
stale_info=(lambda (orphans, doas), total, (orphans_recorded_in_chain, doas_recorded_in_chain):
'orphan' if orphans > orphans_recorded_in_chain else
'doa' if doas > doas_recorded_in_chain else
None
)(*self.get_stale_counts()),
desired_version=14,
),
block_target=self.current_work.value['bits'].target,
desired_timestamp=desired_timestamp if txn_timestamp < desired_timestamp else txn_timestamp + 1,
desired_target=desired_share_target,
ref_merkle_link=dict(branch=[], index=0),
desired_other_transaction_hashes_and_fees=zip(tx_hashes, self.current_work.value['transaction_fees']),
net=self.node.net,
known_txs=tx_map,
base_subsidy=subsidy
)
packed_gentx = bitcoin_data.tx_type.pack(gentx)
other_transactions = [tx_map[tx_hash] for tx_hash in other_transaction_hashes]
mm_later = [(dict(aux_work, target=aux_work['target'] if aux_work['target'] != 'p2pool' else share_info['bits'].target), index, hashes) for aux_work, index, hashes in mm_later]
if desired_pseudoshare_target is None:
target = 2**256-1
if len(self.recent_shares_ts_work) == 50:
hash_rate = sum(work for ts, work in self.recent_shares_ts_work[1:])//(self.recent_shares_ts_work[-1][0] - self.recent_shares_ts_work[0][0])
if hash_rate:
target = min(target, int(2**256/hash_rate))
else:
target = desired_pseudoshare_target
target = max(target, share_info['bits'].target)
for aux_work, index, hashes in mm_later:
target = max(target, aux_work['target'])
target = math.clip(target, self.node.net.PARENT.SANE_TARGET_RANGE)
getwork_time = time.time()
#.........这里部分代码省略.........
示例3: get_work
#.........这里部分代码省略.........
desired_target=desired_share_target,
ref_merkle_link=dict(branch=[], index=0),
desired_other_transaction_hashes=tx_hashes,
net=self.node.net,
known_txs=tx_map,
)
transactions = [gentx] + [tx_map[tx_hash] for tx_hash in other_transaction_hashes]
mm_later = [
(
dict(
aux_work, target=aux_work["target"] if aux_work["target"] != "p2pool" else share_info["bits"].target
),
index,
hashes,
)
for aux_work, index, hashes in mm_later
]
if desired_pseudoshare_target is None:
target = 2 ** 256 - 1
if len(self.recent_shares_ts_work) == 50:
hash_rate = sum(work for ts, work in self.recent_shares_ts_work[1:]) // (
self.recent_shares_ts_work[-1][0] - self.recent_shares_ts_work[0][0]
)
if hash_rate:
target = min(target, int(2 ** 256 / hash_rate))
else:
target = desired_pseudoshare_target
target = max(target, share_info["bits"].target)
for aux_work, index, hashes in mm_later:
target = max(target, aux_work["target"])
target = math.clip(target, self.node.net.PARENT.SANE_TARGET_RANGE)
getwork_time = time.time()
lp_count = self.new_work_event.times
merkle_link = bitcoin_data.calculate_merkle_link(
[bitcoin_data.hash256(bitcoin_data.tx_type.pack(tx)) for tx in transactions], 0
)
print "New work for worker! Difficulty: %.06f Share difficulty: %.06f Total block value: %.6f %s including %i transactions" % (
bitcoin_data.target_to_difficulty(target),
bitcoin_data.target_to_difficulty(share_info["bits"].target),
self.current_work.value["subsidy"] * 1e-8,
self.node.net.PARENT.SYMBOL,
len(self.current_work.value["transactions"]),
)
ba = bitcoin_getwork.BlockAttempt(
version=min(self.current_work.value["version"], 2),
previous_block=self.current_work.value["previous_block"],
merkle_root=bitcoin_data.check_merkle_link(
bitcoin_data.hash256(bitcoin_data.tx_type.pack(transactions[0])), merkle_link
),
timestamp=self.current_work.value["time"],
bits=self.current_work.value["bits"],
share_target=target,
)
received_header_hashes = set()
def got_response(header, request):
header_hash = bitcoin_data.hash256(bitcoin_data.block_header_type.pack(header))
pow_hash = self.node.net.PARENT.POW_FUNC(bitcoin_data.block_header_type.pack(header))
try:示例4: get_work
#.........这里部分代码省略.........
ref_merkle_link=dict(branch=[], index=0),
desired_other_transaction_hashes_and_fees=zip(tx_hashes, self.current_work.value["transaction_fees"]),
net=self.node.net,
known_txs=tx_map,
base_subsidy=self.node.net.PARENT.SUBSIDY_FUNC(self.current_work.value["height"]),
)
packed_gentx = bitcoin_data.tx_type.pack(gentx)
other_transactions = [tx_map[tx_hash] for tx_hash in other_transaction_hashes]
mm_later = [
(
dict(
aux_work, target=aux_work["target"] if aux_work["target"] != "p2pool" else share_info["bits"].target
),
index,
hashes,
)
for aux_work, index, hashes in mm_later
]
if desired_pseudoshare_target is None:
target = 2 ** 256 - 1
local_hash_rate = self._estimate_local_hash_rate()
if local_hash_rate is not None:
target = min(
target, bitcoin_data.average_attempts_to_target(local_hash_rate * 3)
) # limit to 1 share response every 3 seconds by modulating pseudoshare difficulty
else:
target = desired_pseudoshare_target
target = max(target, share_info["bits"].target)
for aux_work, index, hashes in mm_later:
target = max(target, aux_work["target"])
target = math.clip(target, self.node.net.PARENT.SANE_TARGET_RANGE)
getwork_time = time.time()
lp_count = self.new_work_event.times
merkle_link = bitcoin_data.calculate_merkle_link([None] + other_transaction_hashes, 0)
print "New work for worker! Difficulty: %.09f Share difficulty: %.09f Total block value: %.6f %s including %i transactions" % (
bitcoin_data.target_to_difficulty(target),
bitcoin_data.target_to_difficulty(share_info["bits"].target),
self.current_work.value["subsidy"] * 1e-8,
self.node.net.PARENT.SYMBOL,
len(self.current_work.value["transactions"]),
)
ba = dict(
version=min(self.current_work.value["version"], 2),
previous_block=self.current_work.value["previous_block"],
merkle_link=merkle_link,
coinb1=packed_gentx[: -self.COINBASE_NONCE_LENGTH - 4],
coinb2=packed_gentx[-4:],
timestamp=self.current_work.value["time"],
bits=self.current_work.value["bits"],
share_target=target,
)
received_header_hashes = set()
def got_response(header, user, coinbase_nonce):
assert len(coinbase_nonce) == self.COINBASE_NONCE_LENGTH
new_packed_gentx = (
packed_gentx[: -self.COINBASE_NONCE_LENGTH - 4] + coinbase_nonce + packed_gentx[-4:]
if coinbase_nonce != "\0" * self.COINBASE_NONCE_LENGTH
else packed_gentx示例5: get_work
def get_work(self, pubkey_hash, desired_share_target, desired_pseudoshare_target):
if len(self.p2p_node.peers) == 0 and self.net.PERSIST:
raise jsonrpc.Error_for_code(-12345)(u'p2pool is not connected to any peers')
if self.best_share_var.value is None and self.net.PERSIST:
raise jsonrpc.Error_for_code(-12345)(u'p2pool is downloading shares')
if time.time() > self.current_work.value['last_update'] + 60:
raise jsonrpc.Error_for_code(-12345)(u'lost contact with bitcoind')
if self.merged_work.value:
tree, size = bitcoin_data.make_auxpow_tree(self.merged_work.value)
mm_hashes = [self.merged_work.value.get(tree.get(i), dict(hash=0))['hash'] for i in xrange(size)]
mm_data = '\xfa\xbemm' + bitcoin_data.aux_pow_coinbase_type.pack(dict(
merkle_root=bitcoin_data.merkle_hash(mm_hashes),
size=size,
nonce=0,
))
mm_later = [(aux_work, mm_hashes.index(aux_work['hash']), mm_hashes) for chain_id, aux_work in self.merged_work.value.iteritems()]
else:
mm_data = ''
mm_later = []
tx_hashes = [bitcoin_data.hash256(bitcoin_data.tx_type.pack(tx)) for tx in self.current_work.value['transactions']]
tx_map = dict(zip(tx_hashes, self.current_work.value['transactions']))
if True:
share_info, gentx, other_transaction_hashes, get_share = p2pool_data.Share.generate_transaction(
tracker=self.tracker,
share_data=dict(
previous_share_hash=self.best_share_var.value,
coinbase=(script.create_push_script([
self.current_work.value['height'],
] + ([mm_data] if mm_data else []) + [
]) + self.current_work.value['coinbaseflags'])[:100],
nonce=random.randrange(2**32),
pubkey_hash=pubkey_hash,
subsidy=self.current_work.value['subsidy'],
donation=math.perfect_round(65535*self.donation_percentage/100),
stale_info=(lambda (orphans, doas), total, (orphans_recorded_in_chain, doas_recorded_in_chain):
'orphan' if orphans > orphans_recorded_in_chain else
'doa' if doas > doas_recorded_in_chain else
None
)(*self.get_stale_counts()),
desired_version=5,
),
block_target=self.current_work.value['bits'].target,
desired_timestamp=int(time.time() + 0.5),
desired_target=desired_share_target,
ref_merkle_link=dict(branch=[], index=0),
other_transaction_hashes=tx_hashes,
net=self.net,
)
transactions = [gentx] + [tx_map[tx_hash] for tx_hash in other_transaction_hashes]
mm_later = [(dict(aux_work, target=aux_work['target'] if aux_work['target'] != 'p2pool' else share_info['bits'].target), index, hashes) for aux_work, index, hashes in mm_later]
if desired_pseudoshare_target is None:
target = 2**256-1
if len(self.recent_shares_ts_work) == 50:
hash_rate = sum(work for ts, work in self.recent_shares_ts_work[1:])//(self.recent_shares_ts_work[-1][0] - self.recent_shares_ts_work[0][0])
if hash_rate:
target = min(target, int(2**256/hash_rate))
else:
target = desired_pseudoshare_target
target = max(target, share_info['bits'].target)
for aux_work, index, hashes in mm_later:
target = max(target, aux_work['target'])
target = math.clip(target, self.net.PARENT.SANE_TARGET_RANGE)
getwork_time = time.time()
lp_count = self.new_work_event.times
merkle_link = bitcoin_data.calculate_merkle_link([bitcoin_data.hash256(bitcoin_data.tx_type.pack(tx)) for tx in transactions], 0)
print 'New work for worker! Difficulty: %.06f Share difficulty: %.06f Total block value: %.6f %s including %i transactions' % (
bitcoin_data.target_to_difficulty(target),
bitcoin_data.target_to_difficulty(share_info['bits'].target),
self.current_work.value['subsidy']*1e-8, self.net.PARENT.SYMBOL,
len(self.current_work.value['transactions']),
)
ba = bitcoin_getwork.BlockAttempt(
version=min(self.current_work.value['version'], 2),
previous_block=self.current_work.value['previous_block'],
merkle_root=bitcoin_data.check_merkle_link(bitcoin_data.hash256(bitcoin_data.tx_type.pack(transactions[0])), merkle_link),
timestamp=self.current_work.value['time'],
bits=self.current_work.value['bits'],
share_target=target,
)
received_header_hashes = set()
def got_response(header, request):
header_hash = bitcoin_data.hash256(bitcoin_data.block_header_type.pack(header))
pow_hash = self.net.PARENT.POW_FUNC(bitcoin_data.block_header_type.pack(header))
try:
if pow_hash <= header['bits'].target or p2pool.DEBUG:
self.submit_block(dict(header=header, txs=transactions), ignore_failure=False)
if pow_hash <= header['bits'].target:
print
print 'GOT BLOCK FROM MINER! Passing to bitcoind! %s%064x' % (self.net.PARENT.BLOCK_EXPLORER_URL_PREFIX, header_hash)
#.........这里部分代码省略.........