# standard imports
import unittest
import logging
import random

# external imports
from chainlib.chain import ChainSpec
from hexathon import (
        add_0x,
        strip_0x,
        )

# local imports
from cic.ext.eth import CICEth

logg = logging.getLogger(__name__)


class TestCICEth(unittest.TestCase):

    def setUp(self):
        random.seed(42)
        self.chain_spec = ChainSpec.from_chain_str('evm:foo:42')
        self.token_address = add_0x(random.randbytes(20).hex())
        self.token_index_address = add_0x(random.randbytes(20).hex())
        self.resources = {
            'token': {
                'reference': self.token_address,
                'key_address': None,
                },
            'token_index': {
                'reference': self.token_index_address,
                'key_address': None,
                },
        }
        self.proofs = []
        for i in range(3):
            self.proofs.append(random.randbytes(32).hex())
        self.adapter = CICEth(self.chain_spec, self.resources, self.proofs)


    def test_offline_token_index(self):
        self.adapter.token_address = self.token_address
        v = self.adapter.process_token_index()
        self.assertEqual(self.adapter.outputs['token_index'][:8], '4420e486')


if __name__ == '__main__':
    unittest.main()