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Implement missing NuCypherTokenAgent.get_allowance() method

pull/1946/head
David Núñez 2020-05-04 20:05:47 +02:00
parent 31797797d3
commit b7bca790e6
1 changed files with 4 additions and 0 deletions
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4
nucypher/blockchain/eth/agents.py
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@ -190,6 +190,10 @@ class NucypherTokenAgent(EthereumContractAgent):
address = address if address is not None else self.contract_address
return self.contract.functions.balanceOf(address).call()
def get_allowance(self, owner: str, spender: str) -> int:
"""Check the amount of tokens that an owner allowed to a spender"""
return self.contract.functions.allowance(owner, spender).call()
@validate_checksum_address
def increase_allowance(self, sender_address: str, target_address: str, increase: int):
contract_function = self.contract.functions.increaseAllowance(target_address, increase)