chainqueue/tests/test_cache.py

92 lines
1.8 KiB
Python

# standard imports
import os
import logging
import unittest
import hashlib
# external imports
from hexathon import add_0x
# local imports
from chainqueue import QueueEntry
from chainqueue.cache import (
CacheTokenTx,
Cache,
)
# test imports
from tests.base_shep import TestShepBase
logging.basicConfig(level=logging.DEBUG)
logg = logging.getLogger()
class MockCacheTokenTx(CacheTokenTx):
def deserialize(self, signed_tx):
h = hashlib.sha1()
h.update(signed_tx + b'\x01')
z = h.digest()
nonce = int.from_bytes(z[:4], 'big')
token_value = int.from_bytes(z[4:8], 'big')
value = int.from_bytes(z[8:12], 'big')
h = hashlib.sha1()
h.update(z)
z = h.digest()
sender = z.hex()
h = hashlib.sha1()
h.update(z)
z = h.digest()
recipient = z.hex()
h = hashlib.sha1()
h.update(z)
z = h.digest()
token = z.hex()
h = hashlib.sha256()
h.update(z)
z = h.digest()
tx_hash = z.hex()
tx = CacheTokenTx()
tx.init(tx_hash, nonce, sender, recipient, value)
tx.set('src_token', token)
tx.set('dst_token', token)
tx.set('src_value', token_value)
tx.set('dst_value', token_value)
tx.confirm(42, 13, 1024000)
return tx
class MockTokenCache(Cache):
def __init__(self):
self.db = {}
def put(self, chain_spec, cache_tx):
self.db[cache_tx.tx_hash] = cache_tx
def get(self, chain_spec, tx_hash):
pass
class TestCache(TestShepBase):
def setUp(self):
super(TestCache, self).setUp()
self.tx = MockCacheTokenTx()
def test_basic_translator(self):
a = b'foo'
tx = self.tx.deserialize(a)
print(tx)
if __name__ == '__main__':
unittest.main()