def get_token_transactions_by_addresses(addresses: List[str],
time_from: str = '0',
time_to: str = '',
no_tx_list: str = '',
db: Any = None) -> None:
"""
Get token transactions of multiple addresses.
Args:
address: Multiple Ethereum addresses.
time_from: Beginning datetime to take transactions from.
time_to: Ending datetime to take transactions from.
val_from: Minimum transferred currency of the transactions.
val_to: Maximum transferred currency of transactions.
no_tx_list: Maximum transactions to gather.
db: Read-only database instance.
"""
try:
int_time_from = int(time_from)
except ValueError:
return 'Start time {} couldn\'t be parsed.'.format(time_from), 400
if time_to == '':
time_to = str(int(time.time()) + 1000000)
try:
int_time_to = int(time_to)
except ValueError:
return 'End time {} couldn\'t be parsed.'.format(time_to), 400
if int_time_from > int_time_to:
return 'Minimum time is larger than maximum time', 400
if no_tx_list == '':
no_tx_list = str(1000000000000000000000000000000)
try:
int_no_tx_list = int(no_tx_list)
except ValueError:
return 'Maximum number of transactions {} couldn\'t be parsed.'.format(no_tx_list), 400
gatherer = DatabaseGatherer(db)
transactions = []
for address in addresses:
new_transactions = gatherer.get_token_txs_of_address(address.lower(),
int_time_from, int_time_to,
int_no_tx_list)
if new_transactions is None:
return 'Address {} has not been found'.format(address), 400
transactions += new_transactions
if transactions == []:
return 'No transactions of requested addresses found', 404
return transactions
def get_token_transactions_by_address(address: str,
time_from: str = '0',
time_to: str = '',
no_tx_list: str = '',
db: Any = None) -> None:
"""
Get token transactions of an address.
Args:
address: Ethereum address.
time_from: Beginning datetime to take transactions from.
time_to: Ending datetime to take transactions from.
no_tx_list: Maximum transactions to gather.
db: Read-only database instance.
"""
try:
int_time_from = int(time_from)
except ValueError:
return 'Start time {} couldn\'t be parsed.'.format(time_from), 400
if time_to == '':
time_to = str(int(time.time()) + 1000000)
try:
int_time_to = int(time_to)
except ValueError:
return 'End time {} couldn\'t be parsed.'.format(time_to), 400
if int_time_from > int_time_to:
return 'Minimum time is larger than maximum time', 400
if no_tx_list == '':
no_tx_list = str(1000000000000000000000000000000)
try:
int_no_tx_list = int(no_tx_list)
except ValueError:
return 'Maximum number of transactions {} couldn\'t be parsed.'.format(no_tx_list), 400
gatherer = DatabaseGatherer(db)
transactions = gatherer.get_token_txs_of_address(address.lower(), int_time_from,
int_time_to, int_no_tx_list)
if transactions is None:
return 'No token transactions of address {} found'.format(address), 404
return transactions
