def _load_multi_sig_spend_txn_hashes(self,
address: bytes,
item_per_page: int,
page_number: int,
mode: int) -> list:
if OptimizedAddressState.address_is_valid(address):
address_state = self._chain_manager.get_optimized_address_state(address)
elif MultiSigAddressState.address_is_valid(address):
address_state = self._chain_manager.get_multi_sig_address_state(address)
else:
return []
start_item_index = max(0, address_state.multi_sig_spend_count() - item_per_page * page_number)
end_item_index = min(address_state.multi_sig_spend_count(), start_item_index + item_per_page)
if mode > 0:
start_item_index = 0
end_item_index = address_state.multi_sig_spend_count()
transaction_hashes = self._chain_manager.get_multi_sig_spend_txn_hashes(address,
start_item_index)
actual_start_item_index = (start_item_index // config.dev.data_per_page) * config.dev.data_per_page
multi_sig_spend_txn_hashes = transaction_hashes[start_item_index - actual_start_item_index:]
while actual_start_item_index < end_item_index and len(multi_sig_spend_txn_hashes) < item_per_page:
actual_start_item_index += config.dev.data_per_page
multi_sig_spend_txn_hashes.extend(self._chain_manager.get_multi_sig_spend_txn_hashes(address,
actual_start_item_index))
return multi_sig_spend_txn_hashes[:item_per_page][-1::-1]
def get_multi_sig_address_state(self, address: bytes) -> MultiSigAddressState:
if not MultiSigAddressState.address_is_valid(address):
raise ValueError("Invalid Address")
multi_sig_address_state = self._chain_manager.get_multi_sig_address_state(address)
return multi_sig_address_state
def _validate_custom(self):
for amount in self.amounts:
if amount == 0:
logger.warning('Amount cannot be 0 - %s', self.amounts)
logger.warning('Invalid TransferTransaction')
return False
if self.fee < 0:
logger.info('TransferTransaction [%s] Invalid Fee = %d', bin2hstr(self.txhash), self.fee)
return False
if len(self.addrs_to) == 0:
logger.warning("[TransferTransaction] No Addrs To found")
return False
if len(self.addrs_to) != len(self.amounts):
logger.warning('[TransferTransaction] Mismatch number of addresses to & amounts')
logger.warning('>> Length of addresses_to %s', len(self.addrs_to))
logger.warning('>> Length of amounts %s', len(self.amounts))
return False
if not OptimizedAddressState.address_is_valid(self.addr_from):
logger.warning('[TransferTransaction] Invalid address addr_from: %s', bin2hstr(self.addr_from))
return False
for addr_to in self.addrs_to:
if not (OptimizedAddressState.address_is_valid(addr_to) or MultiSigAddressState.address_is_valid(addr_to)):
logger.warning('[TransferTransaction] Invalid address addr_to: %s', bin2hstr(addr_to))
return False
return True
def _validate_extended(self, state_container: StateContainer):
if len(self.message_data) > 0:
if state_container.block_number < state_container.current_dev_config.hard_fork_heights[0]:
logger.warning("[TransferTransaction] Hard Fork Feature not yet activated")
return False
if len(self.addrs_to) > state_container.current_dev_config.transaction_multi_output_limit:
logger.warning('[TransferTransaction] Number of addresses exceeds max limit')
logger.warning('Number of addresses %s', len(self.addrs_to))
logger.warning('Number of amounts %s', len(self.amounts))
return False
if len(self.message_data) > state_container.current_dev_config.message_max_length:
logger.warning("[TransferTransaction] Message data is greater than message max length limit")
logger.warning("Message data length %s", len(self.message_data))
logger.warning("Message data length limit %s", state_container.current_dev_config.message_max_length)
return False
tx_balance = state_container.addresses_state[self.addr_from].balance
total_amount = self.total_amount
for addr_to in self.addrs_to:
if MultiSigAddressState.address_is_valid(addr_to):
if addr_to not in state_container.addresses_state:
logger.warning('[TransferTransaction] Multi Sig Address doesnt exist: %s', bin2hstr(addr_to))
return False
if tx_balance < total_amount + self.fee:
logger.info('State validation failed for %s because: Insufficient funds', bin2hstr(self.txhash))
logger.info('balance: %s, fee: %s, amount: %s', tx_balance, self.fee, total_amount)
return False
return True
def parse_qaddress(qaddress: str, check_multi_sig_address=False) -> bytes:
"""
Converts from a Qaddress to an Address.
qaddress: 'Q' + hexstring representation of an XMSS tree's address
check_multi_sig_address: Flag if multi sig address should be checked
:param qaddress:
:return:
"""
try:
qaddress = parse_hexblob(qaddress[1:])
if not OptimizedAddressState.address_is_valid(qaddress):
print("checking for multi_sig_address ", check_multi_sig_address)
if check_multi_sig_address:
print("checking for multi_sig_address")
if not MultiSigAddressState.address_is_valid(qaddress):
raise ValueError("Invalid Addresss ", qaddress)
else:
raise ValueError("Invalid Addresss ", qaddress)
except Exception as e:
raise ValueError("Failed To Decode Address", e)
return qaddress