mirror of
git://holbrook.no/erc20-demurrage-token
synced 2024-11-17 06:26:46 +01:00
73 lines
2.1 KiB
Python
73 lines
2.1 KiB
Python
# 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__)
|
|
|
|
TAX_LEVEL = 10000 * 2 # 2%
|
|
|
|
|
|
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]
|
|
|
|
def tearDown(self):
|
|
pass
|
|
|
|
|
|
def test_gas_changeperiod(self):
|
|
period = 43200
|
|
for i in range(5):
|
|
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)
|
|
contract = self.w3.eth.contract(abi=self.abi, address=r.contractAddress)
|
|
|
|
start_block = self.w3.eth.blockNumber
|
|
b = self.w3.eth.getBlock(start_block)
|
|
start_time = b['timestamp']
|
|
|
|
period_seconds = period * 60
|
|
self.eth_tester.time_travel(start_time + period_seconds + (60 * (10 ** i)))
|
|
tx_hash = contract.functions.changePeriod().transact()
|
|
r = self.w3.eth.getTransactionReceipt(tx_hash)
|
|
|
|
print('{} ({}): {}'.format(i, 60 * (10 ** i), r['gasUsed']))
|
|
|
|
if __name__ == '__main__':
|
|
unittest.main()
|
|
|
|
|