def create_fake_transaction(self, inputs, outputs, payload, key: BIP32Key):
return FakeTransaction(header=FakeTransactionHeader(
batcher_public_key=key.PublicKey().hex(),
dependencies=[],
family_name="datahub",
family_version="0.1",
inputs=inputs,
outputs=outputs,
signer_public_key=key.PublicKey().hex()),
payload=payload)
