This repository has been archived on 2023-03-01. You can view files and clone it, but cannot push or open issues or pull requests.
erc20-demurrage-token-archive/python/tests/bench.py
2021-02-06 19:01:33 +00:00

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()