def transfer_tokens(general_config, actor_options, target_address, value,
allowance):
"""Transfer tokens from contract's owner address to another address"""
emitter = general_config.emitter
ADMINISTRATOR, deployer_address, _, local_registry = actor_options.create_actor(
emitter)
token_agent = ContractAgency.get_agent(
NucypherTokenAgent,
registry=local_registry) # type: NucypherTokenAgent
tokens = NU.from_nunits(token_agent.get_balance(deployer_address))
emitter.echo(
DISPLAY_SENDER_TOKEN_BALANCE_BEFORE_TRANSFER.format(
token_balance=tokens))
if not target_address:
target_address = click.prompt(PROMPT_RECIPIENT_CHECKSUM_ADDRESS,
type=EIP55_CHECKSUM_ADDRESS)
if not value:
stake_value_range = click.FloatRange(min=0, clamp=False)
value = NU.from_tokens(
click.prompt(PROMPT_TOKEN_VALUE, type=stake_value_range))
value = NuNits(int(value))
if allowance:
confirmation = CONFIRM_TOKEN_ALLOWANCE.format(
value=value,
deployer_address=deployer_address,
spender_address=target_address)
else:
confirmation = CONFIRM_TOKEN_TRANSFER.format(
value=value,
deployer_address=deployer_address,
target_address=target_address)
click.confirm(confirmation, abort=True)
if allowance:
receipt = token_agent.approve_transfer(amount=value,
sender_address=deployer_address,
spender_address=target_address)
else:
receipt = token_agent.transfer(amount=value,
sender_address=deployer_address,
target_address=target_address)
paint_receipt_summary(emitter=emitter, receipt=receipt)
def get_allowance(self, owner: ChecksumAddress,
spender: ChecksumAddress) -> NuNits:
"""Check the amount of tokens that an owner allowed to a spender"""
allowance: int = self.contract.functions.allowance(owner,
spender).call()
return NuNits(allowance)
def get_balance(self, address: ChecksumAddress) -> NuNits:
"""Get the NU balance (in NuNits) of a token holder address, or of this contract address"""
balance: int = self.contract.functions.balanceOf(address).call()
return NuNits(balance)
def to_nunits(self) -> NuNits:
"""Returns an int value in NuNit"""
return NuNits(self.__value)