def validate_create()

in service/sdk_validator/resdb_validator/transaction.py [0:0]

• 24 lines of code
• 12 McCabe index (conditional complexity)

    def validate_create(cls, tx_signers, recipients, asset, metadata):
        if not isinstance(tx_signers, list):
            raise TypeError('`tx_signers` must be a list instance')
        if not isinstance(recipients, list):
            raise TypeError('`recipients` must be a list instance')
        if len(tx_signers) == 0:
            raise ValueError('`tx_signers` list cannot be empty')
        if len(recipients) == 0:
            raise ValueError('`recipients` list cannot be empty')
        if not (asset is None or isinstance(asset, dict)):
            raise TypeError('`asset` must be a dict or None')
        if not (metadata is None or isinstance(metadata, dict)):
            raise TypeError('`metadata` must be a dict or None')

        inputs = []
        outputs = []

        # generate_outputs
        for recipient in recipients:
            if not isinstance(recipient, tuple) or len(recipient) != 2:
                raise ValueError(('Each `recipient` in the list must be a'
                                  ' tuple of `([<list of public keys>],'
                                  ' <amount>)`'))
            pub_keys, amount = recipient
            outputs.append(Output.generate(pub_keys, amount))

        # generate inputs
        inputs.append(Input.generate(tx_signers))

        return (inputs, outputs)