def search(self, expression, callback_func):
'''
searches through all contract accounts
'''
cnt = 0
indexer = AccountIndexer(self)
for contract, address_hash, balance in self.get_contracts():
if contract.matches_expression(expression):
try:
address = _encode_hex(
indexer.get_contract_by_hash(address_hash))
except AddressNotFoundError:
'''
The hash->address mapping does not exist in our index. If the index is up-to-date, this likely means
that the contract was created by an internal transaction. Skip this contract as right now we don't
have a good solution for this.
'''
continue
callback_func(contract, address, balance)
cnt += 1
if not cnt % 1000:
logging.info("Searched %d contracts" % cnt)
def contract_hash_to_address(self, hash):
'''
tries to find corresponding account address
'''
address_hash = binascii.a2b_hex(utils.remove_0x_head(hash))
indexer = AccountIndexer(self)
return _encode_hex(indexer.get_contract_by_hash(address_hash))
def contract_hash_to_address(self, hash):
'''
tries to find corresponding account address
'''
indexer = AccountIndexer(self)
addressHash = binascii.a2b_hex(utils.remove_0x_head(hash))
address = indexer.get_contract_by_hash(addressHash)
if address:
return _encode_hex(address)
else:
return "Not found"
def get_contracts(self):
'''
iterate through all contracts
'''
indexer = AccountIndexer(self)
for account in self.reader._get_head_state().get_all_accounts():
if account.code is not None:
code = _encode_hex(account.code)
contract = ETHContract(code)
address = indexer.get_contract_by_hash(account.address)
if address is None:
address = account.address
yield contract, _encode_hex(address), account.balance
def search(self, expression, callback_func):
'''
searches through non-zero balance contracts
'''
cnt = 0
indexer = AccountIndexer(self)
for contract, address_hash, balance in self.get_contracts():
if contract.matches_expression(expression):
try:
address = _encode_hex(
indexer.get_contract_by_hash(address_hash))
except AddressNotFoundError:
address = _encode_hex(address_hash)
callback_func(contract, address, balance)
cnt += 1
if not cnt % 1000:
logging.info("Searched %d contracts" % cnt)