def support(cls,
claim_name: str,
claim_id: str,
amount: int,
holding_address: str,
funding_accounts: List['Account'],
change_account: 'Account',
signing_channel: Output = None):
ledger, _ = cls.ensure_all_have_same_ledger_and_wallet(
funding_accounts, change_account)
if signing_channel is not None:
support = Support()
support.emoji = '👍'
support_output = Output.pay_support_data_pubkey_hash(
amount, claim_name, claim_id, support,
ledger.address_to_hash160(holding_address))
support_output.sign(signing_channel, b'placeholder txid:nout')
else:
support_output = Output.pay_support_pubkey_hash(
amount, claim_name, claim_id,
ledger.address_to_hash160(holding_address))
return cls.create([], [support_output],
funding_accounts,
change_account,
sign=False)
def support(self) -> Support:
if self.is_support_data:
if not isinstance(self.script.values['support'], Support):
self.script.values['support'] = Support.from_bytes(
self.script.values['support'])
return self.script.values['support']
raise ValueError(
'Only supports with data can be represented as Supports.')