erc20-demurrage-token/python/tests/test_period.py

81 lines
2.5 KiB
Python
Raw Normal View History

# standard imports
import os
import unittest
import json
import logging
# third-party imports
import web3
import eth_tester
import eth_abi
logging.basicConfig(level=logging.DEBUG)
logg = logging.getLogger()
logging.getLogger('web3').setLevel(logging.WARNING)
logging.getLogger('eth.vm').setLevel(logging.WARNING)
testdir = os.path.dirname(__file__)
#BLOCKTIME = 5 # seconds
TAX_LEVEL = 10000 * 2 # 2%
#PERIOD = int(60/BLOCKTIME) * 60 * 24 * 30 # month
PERIOD = 1
class Test(unittest.TestCase):
contract = None
def setUp(self):
eth_params = eth_tester.backends.pyevm.main.get_default_genesis_params({
'gas_limit': 9000000,
})
f = open(os.path.join(testdir, '../../solidity/RedistributedDemurrageToken.bin'), 'r')
self.bytecode = f.read()
f.close()
f = open(os.path.join(testdir, '../../solidity/RedistributedDemurrageToken.json'), 'r')
self.abi = json.load(f)
f.close()
backend = eth_tester.PyEVMBackend(eth_params)
self.eth_tester = eth_tester.EthereumTester(backend)
provider = web3.Web3.EthereumTesterProvider(self.eth_tester)
self.w3 = web3.Web3(provider)
self.sink_address = self.w3.eth.accounts[9]
c = self.w3.eth.contract(abi=self.abi, bytecode=self.bytecode)
tx_hash = c.constructor('Foo Token', 'FOO', 6, TAX_LEVEL * (10 ** 32), PERIOD, self.sink_address).transact({'from': self.w3.eth.accounts[0]})
r = self.w3.eth.getTransactionReceipt(tx_hash)
self.contract = self.w3.eth.contract(abi=self.abi, address=r.contractAddress)
self.start_block = self.w3.eth.blockNumber
b = self.w3.eth.getBlock(self.start_block)
self.start_time = b['timestamp']
def tearDown(self):
pass
def test_period(self):
tx_hash = self.contract.functions.mintTo(self.w3.eth.accounts[1], 1024).transact()
r = self.w3.eth.getTransactionReceipt(tx_hash)
self.assertEqual(r.status, 1)
self.eth_tester.time_travel(self.start_time + 61)
tx_hash = self.contract.functions.changePeriod().transact()
r = self.w3.eth.getTransactionReceipt(tx_hash)
self.assertEqual(r.status, 1)
redistribution = self.contract.functions.redistributions(1).call()
self.assertEqual(2, self.contract.functions.toRedistributionPeriod(redistribution).call())
self.assertEqual(2, self.contract.functions.actualPeriod().call())
if __name__ == '__main__':
unittest.main()