mirror of
git://holbrook.no/erc20-demurrage-token
synced 2024-11-05 18:06:46 +01:00
109 lines
3.3 KiB
Python
109 lines
3.3 KiB
Python
# standard imports
|
|
import os
|
|
import unittest
|
|
import json
|
|
import logging
|
|
import math
|
|
|
|
# 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 = int((10000 * 2) * (10 ** 32)) # 2%
|
|
PERIOD = 10
|
|
|
|
|
|
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, 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
|
|
|
|
|
|
def tearDown(self):
|
|
pass
|
|
|
|
|
|
@unittest.skip('this function has been removed from contract')
|
|
def test_tax_period(self):
|
|
t = self.contract.functions.taxLevel().call()
|
|
logg.debug('taxlevel {}'.format(t))
|
|
|
|
a = self.contract.functions.toDemurrageAmount(1000000, 0).call()
|
|
self.assertEqual(a, 1000000)
|
|
|
|
a = self.contract.functions.toDemurrageAmount(1000000, 1).call()
|
|
self.assertEqual(a, 980000)
|
|
|
|
a = self.contract.functions.toDemurrageAmount(1000000, 2).call()
|
|
self.assertEqual(a, 960400)
|
|
|
|
a = self.contract.functions.toDemurrageAmount(980000, 1).call()
|
|
self.assertEqual(a, 960400)
|
|
|
|
|
|
def test_fractional_state(self):
|
|
with self.assertRaises(eth_tester.exceptions.TransactionFailed):
|
|
self.contract.functions.remainder(2, 1).call();
|
|
|
|
with self.assertRaises(eth_tester.exceptions.TransactionFailed):
|
|
remainder = self.contract.functions.remainder(0, 100001).call();
|
|
|
|
remainder = self.contract.functions.remainder(1, 2).call();
|
|
self.assertEqual(remainder, 0);
|
|
|
|
whole = 5000001
|
|
parts = 20000
|
|
expect = whole - (math.floor(whole/parts) * parts)
|
|
remainder = self.contract.functions.remainder(parts, whole).call();
|
|
self.assertEqual(remainder, expect)
|
|
|
|
parts = 30000
|
|
expect = whole - (math.floor(whole/parts) * parts)
|
|
remainder = self.contract.functions.remainder(parts, whole).call();
|
|
self.assertEqual(remainder, expect)
|
|
|
|
parts = 40001
|
|
expect = whole - (math.floor(whole/parts) * parts)
|
|
remainder = self.contract.functions.remainder(parts, whole).call();
|
|
self.assertEqual(remainder, expect)
|
|
|
|
if __name__ == '__main__':
|
|
unittest.main()
|