async def address_status(self, hashX):
'''Returns an address status.
Status is a hex string, but must be None if there is no history.
'''
# Note history is ordered and mempool unordered in electrum-server
# For mempool, height is -1 if unconfirmed txins, otherwise 0
history = await self.controller.get_history(hashX)
mempool = await self.controller.mempool_transactions(hashX)
status = ''.join('{}:{:d}:'.format(hash_to_str(tx_hash), height)
for tx_hash, height in history)
status += ''.join('{}:{:d}:'.format(hex_hash, -unconfirmed)
for hex_hash, tx_fee, unconfirmed in mempool)
if status:
status = sha256(status.encode()).hex()
else:
status = None
if mempool:
self.mempool_statuses[hashX] = status
else:
self.mempool_statuses.pop(hashX, None)
return status
async def hash160_contract_status(self, hash160, contract_addr, topic):
eventlogs = await self.controller.contract_event_get_history(
hash160, contract_addr, topic)
status = ':'.join('{}:{:d}:{:d}'.format(dic.get(
'tx_hash'), int(dic.get('height')), int(dic.get('log_index')))
for dic in eventlogs)
if status:
status = sha256(status.encode('ascii')).hex()
else:
status = None
return status
async def hash160_contract_status(self, hash160, contract_addr):
eventlogs = await self.controller.hash160_contract_get_eventlogs(
hash160, contract_addr)
status = ''.join(
'{}:{:d}:'.format(dic.get('tx_hash'), int(dic.get('height')))
for dic in eventlogs)
if status:
status = sha256(status.encode()).hex()
else:
status = None
return status
async def address_status(self, hashX):
'''Returns status as 32 bytes.'''
# Note history is ordered and mempool unordered in electrum-server
# For mempool, height is -1 if unconfirmed txins, otherwise 0
history = await self.get_history(hashX)
mempool = await self.mempool_transactions(hashX)
status = ''.join('{}:{:d}:'.format(hash_to_str(tx_hash), height)
for tx_hash, height in history)
status += ''.join('{}:{:d}:'.format(hex_hash, -unconfirmed)
for hex_hash, tx_fee, unconfirmed in mempool)
if status:
return sha256(status.encode()).hex()
return None
def read_tx_and_hash(self):
from lib.hash import sha256
start = self.cursor
return self.read_tx(), sha256(self.binary[start:self.cursor])
def test_sha256():
assert lib_hash.sha256(
b'sha256'
) == b'][\t\xf6\xdc\xb2\xd5:_\xff\xc6\x0cJ\xc0\xd5_\xab\xdfU`i\xd6c\x15E\xf4*\xa6\xe3P\x0f.'
with pytest.raises(TypeError):
lib_hash.sha256('sha256')
