def post_transfer(from_address: Union[UInt160, None],
to_address: Union[UInt160, None], amount: int, data: Any):
"""
Checks if the one receiving NEP17 tokens is a smart contract and if it's one the onPayment method will be called
:param from_address: the address of the sender
:type from_address: UInt160
:param to_address: the address of the receiver
:type to_address: UInt160
:param amount: the amount of cryptocurrency that is being sent
:type amount: int
:param data: any pertinent data that might validate the transaction
:type data: Any
"""
if to_address is not None:
contract = ContractManagement.get_contract(to_address)
if contract is not None:
call_contract(to_address, 'onNEP17Payment',
[from_address, amount, data])
def post_transfer(from_address: Union[UInt160,
None], to_address: Union[UInt160, None],
token_id: ByteString, data: Any):
"""
Checks if the one receiving NEP11 tokens is a smart contract and if it's one the onPayment method will be called.
:param from_address: the address of the sender
:type from_address: UInt160
:param to_address: the address of the receiver
:type to_address: UInt160
:param token_id: the id of the token that is being sent
:type token_id: ByteString
:param data: any pertinent data that might validate the transaction
:type data: Any
"""
# the transfer event will be fired
on_transfer(from_address, to_address, 1, token_id)
if not isinstance(to_address, None):
contract = ContractManagement.get_contract(to_address)
if not isinstance(contract, None):
call_contract(to_address, 'onNEP11Payment',
[from_address, 1, token_id, data])
def main(hash: UInt160) -> Contract:
return ContractManagement.get_contract(hash)