mirror of
git://holbrook.no/erc20-demurrage-token
synced 2024-09-30 05:27:25 +02:00
206 lines
8.2 KiB
Python
206 lines
8.2 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__)
|
||
|
||
#BLOCKTIME = 5 # seconds
|
||
TAX_LEVEL = 10000 * 2 # 2%
|
||
#PERIOD = int(60/BLOCKTIME) * 60 * 24 * 30 # month
|
||
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
|
||
logg.debug('starting at block number {}'.format(self.start_block))
|
||
|
||
def tearDown(self):
|
||
pass
|
||
|
||
|
||
def debug_periods(self):
|
||
pactual = self.contract.functions.actualPeriod().call()
|
||
pstart = self.contract.functions.periodStart().call()
|
||
pduration = self.contract.functions.periodDuration().call()
|
||
blocknumber = self.w3.eth.blockNumber;
|
||
logg.debug('actual {} start {} duration {} blocknumber {}'.format(pactual, pstart, pduration, blocknumber))
|
||
|
||
|
||
# TODO: check receipt log outputs
|
||
@unittest.skip('foo')
|
||
def test_redistribution_storage(self):
|
||
self.contract.functions.mintTo(self.w3.eth.accounts[1], 2000).transact()
|
||
|
||
tx_hash = self.contract.functions.transfer(self.w3.eth.accounts[2], 500).transact({'from': self.w3.eth.accounts[1]})
|
||
r = self.w3.eth.getTransactionReceipt(tx_hash)
|
||
logg.debug('tx before {}'.format(r))
|
||
self.assertEqual(r.status, 1)
|
||
|
||
self.eth_tester.mine_blocks(PERIOD)
|
||
|
||
redistribution = self.contract.functions.redistributions(0).call();
|
||
self.assertEqual(redistribution.hex(), '000000000100000000000000000000000000000000000007d000000000000001')
|
||
|
||
tx_hash = self.contract.functions.mintTo(self.w3.eth.accounts[0], 1000000).transact()
|
||
r = self.w3.eth.getTransactionReceipt(tx_hash)
|
||
self.assertEqual(r.status, 1)
|
||
|
||
redistribution = self.contract.functions.redistributions(1).call()
|
||
self.assertEqual(redistribution.hex(), '000000000000000000000000000000000000000000000f4a1000000000000002')
|
||
|
||
|
||
def test_redistribution_balance_on_zero_participants(self):
|
||
supply = 1000000000000
|
||
tx_hash = self.contract.functions.mintTo(self.w3.eth.accounts[1], supply).transact()
|
||
r = self.w3.eth.getTransactionReceipt(tx_hash)
|
||
|
||
self.eth_tester.mine_blocks(PERIOD)
|
||
|
||
tx_hash = self.contract.functions.applyTax().transact()
|
||
r = self.w3.eth.getTransactionReceipt(tx_hash)
|
||
logg.debug('r {}'.format(r))
|
||
self.assertEqual(r.status, 1)
|
||
|
||
redistribution = self.contract.functions.redistributions(0).call();
|
||
supply = self.contract.functions.totalSupply().call()
|
||
|
||
sink_increment = int(supply * (TAX_LEVEL / 1000000))
|
||
for l in r['logs']:
|
||
if l.topics[0].hex() == '0x337db9c77a0769d770641c73e3282be23b15e2bddd830c219461dec832313389': # event Taxed(uint256,uint256)
|
||
period = int.from_bytes(l.topics[1], 'big')
|
||
self.assertEqual(period, 1)
|
||
b = bytes.fromhex(l.data[2:])
|
||
remainder = int.from_bytes(b, 'big')
|
||
self.assertEqual(remainder, sink_increment)
|
||
logg.debug('period {} remainder {}'.format(period, remainder))
|
||
|
||
sink_balance = self.contract.functions.balanceOf(self.sink_address).call()
|
||
logg.debug('{} {}'.format(sink_increment, sink_balance))
|
||
self.assertEqual(sink_balance, int(sink_increment * 0.98))
|
||
self.assertEqual(sink_balance, int(sink_increment * (1000000 - TAX_LEVEL) / 1000000))
|
||
|
||
balance = self.contract.functions.balanceOf(self.w3.eth.accounts[1]).call()
|
||
self.assertEqual(balance, supply - sink_increment)
|
||
|
||
|
||
@unittest.skip('foo')
|
||
def test_redistribution_balance_to_single(self):
|
||
z = 0
|
||
for i in range(3):
|
||
redistribution = self.contract.functions.redistributions(0).call();
|
||
logg.debug('foo {}'.format(redistribution.hex()))
|
||
self.debug_periods();
|
||
|
||
self.contract.functions.mintTo(self.w3.eth.accounts[i], 1000000*(i+1)).transact()
|
||
z += 1000000*(i+1)
|
||
|
||
tx_hash = self.contract.functions.transfer(self.w3.eth.accounts[3], 1000000).transact({'from': self.w3.eth.accounts[0]})
|
||
r = self.w3.eth.getTransactionReceipt(tx_hash)
|
||
logg.debug('tx before r {}'.format(r))
|
||
|
||
balance = self.contract.functions.balanceOf(self.w3.eth.accounts[0]).call()
|
||
self.assertEqual(balance, 0)
|
||
|
||
self.eth_tester.mine_blocks(PERIOD)
|
||
|
||
redistribution = self.contract.functions.redistributions(0).call();
|
||
self.assertEqual(redistribution.hex(), '000000000100000000000000000000000000000000005b8d8000000000000001')
|
||
|
||
tx_hash = self.contract.functions.transfer(self.w3.eth.accounts[3], 0).transact({'from': self.w3.eth.accounts[0]})
|
||
r = self.w3.eth.getTransactionReceipt(tx_hash)
|
||
logg.debug('tx after r {}'.format(r))
|
||
|
||
balance = self.contract.functions.balanceOf(self.w3.eth.accounts[0]).call()
|
||
self.assertEqual(balance, int(z * 0.02 * 0.98))
|
||
|
||
redistribution = self.contract.functions.redistributions(1).call();
|
||
self.assertEqual(redistribution.hex(), '000000000000000000000000000000000000000000005b8d8000000000000002')
|
||
|
||
|
||
#@unittest.expectedFailure
|
||
@unittest.skip('foo')
|
||
def test_redistribution_balance_to_two(self):
|
||
z = 0
|
||
for i in range(5):
|
||
redistribution = self.contract.functions.redistributions(0).call();
|
||
logg.debug('foo {}'.format(redistribution.hex()))
|
||
self.debug_periods();
|
||
|
||
self.contract.functions.mintTo(self.w3.eth.accounts[i], 1000000*(i+1)).transact()
|
||
z += 1000000*(i+1)
|
||
|
||
tx_hash = self.contract.functions.transfer(self.w3.eth.accounts[5], 1000000).transact({'from': self.w3.eth.accounts[0]})
|
||
r = self.w3.eth.getTransactionReceipt(tx_hash)
|
||
|
||
tx_hash = self.contract.functions.transfer(self.w3.eth.accounts[6], 2000000).transact({'from': self.w3.eth.accounts[1]})
|
||
r = self.w3.eth.getTransactionReceipt(tx_hash)
|
||
|
||
balance = self.contract.functions.balanceOf(self.w3.eth.accounts[0]).call()
|
||
self.assertEqual(balance, 0)
|
||
|
||
balance = self.contract.functions.balanceOf(self.w3.eth.accounts[1]).call()
|
||
self.assertEqual(balance, 0)
|
||
|
||
self.eth_tester.mine_blocks(PERIOD)
|
||
self.debug_periods();
|
||
|
||
redistribution = self.contract.functions.redistributions(0).call();
|
||
self.assertEqual(redistribution.hex(), '00000000020000000000000000000000000000000000e4e1c000000000000001')
|
||
|
||
tx_hash = self.contract.functions.transfer(self.w3.eth.accounts[3], 0).transact({'from': self.w3.eth.accounts[0]})
|
||
r = self.w3.eth.getTransactionReceipt(tx_hash)
|
||
|
||
balance = self.contract.functions.balanceOf(self.w3.eth.accounts[0]).call()
|
||
#self.assertEqual(balance, 117600)
|
||
self.assertEqual(balance, int((z * 0.02 * 0.98) / 2))
|
||
|
||
redistribution = self.contract.functions.redistributions(1).call();
|
||
self.assertEqual(redistribution.hex(), '00000000000000000000000000000000000000000000e4e1c000000000000002')
|
||
|
||
|
||
if __name__ == '__main__':
|
||
unittest.main()
|
||
|
||
|