2021-02-06 20:01:33 +01:00
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# standard imports
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import os
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import unittest
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import json
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import logging
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# third-party imports
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import web3
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import eth_tester
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import eth_abi
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logging.basicConfig(level=logging.DEBUG)
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logg = logging.getLogger()
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logging.getLogger('web3').setLevel(logging.WARNING)
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logging.getLogger('eth.vm').setLevel(logging.WARNING)
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testdir = os.path.dirname(__file__)
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TAX_LEVEL = 10000 * 2 # 2%
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class Test(unittest.TestCase):
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contract = None
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def setUp(self):
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eth_params = eth_tester.backends.pyevm.main.get_default_genesis_params({
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'gas_limit': 9000000,
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})
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f = open(os.path.join(testdir, '../../solidity/RedistributedDemurrageToken.bin'), 'r')
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self.bytecode = f.read()
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f.close()
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f = open(os.path.join(testdir, '../../solidity/RedistributedDemurrageToken.json'), 'r')
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self.abi = json.load(f)
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f.close()
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backend = eth_tester.PyEVMBackend(eth_params)
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self.eth_tester = eth_tester.EthereumTester(backend)
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provider = web3.Web3.EthereumTesterProvider(self.eth_tester)
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self.w3 = web3.Web3(provider)
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self.sink_address = self.w3.eth.accounts[9]
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def tearDown(self):
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pass
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2021-03-01 10:53:39 +01:00
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def test_construct(self):
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period = 10
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c = self.w3.eth.contract(abi=self.abi, bytecode=self.bytecode)
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tx_hash = c.constructor('Foo Token', 'FOO', 6, TAX_LEVEL * (10 ** 32), period, self.sink_address).transact({'from': self.w3.eth.accounts[0]})
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r = self.w3.eth.getTransactionReceipt(tx_hash)
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print('construct: {}'.format(r['gasUsed']))
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2021-02-06 20:01:33 +01:00
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def test_gas_changeperiod(self):
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period = 43200
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for i in range(5):
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c = self.w3.eth.contract(abi=self.abi, bytecode=self.bytecode)
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tx_hash = c.constructor('Foo Token', 'FOO', 6, TAX_LEVEL * (10 ** 32), period, self.sink_address).transact({'from': self.w3.eth.accounts[0]})
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r = self.w3.eth.getTransactionReceipt(tx_hash)
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contract = self.w3.eth.contract(abi=self.abi, address=r.contractAddress)
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start_block = self.w3.eth.blockNumber
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b = self.w3.eth.getBlock(start_block)
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start_time = b['timestamp']
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period_seconds = period * 60
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self.eth_tester.time_travel(start_time + period_seconds + (60 * (10 ** i)))
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tx_hash = contract.functions.changePeriod().transact()
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r = self.w3.eth.getTransactionReceipt(tx_hash)
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2021-03-01 10:53:39 +01:00
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print('changePeriod {} ({}): {}'.format(i, 60 * (10 ** i), r['gasUsed']))
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def test_mint(self):
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period = 10
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c = self.w3.eth.contract(abi=self.abi, bytecode=self.bytecode)
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tx_hash = c.constructor('Foo Token', 'FOO', 6, TAX_LEVEL * (10 ** 32), period, self.sink_address).transact({'from': self.w3.eth.accounts[0]})
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r = self.w3.eth.getTransactionReceipt(tx_hash)
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contract = self.w3.eth.contract(abi=self.abi, address=r.contractAddress)
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start_block = self.w3.eth.blockNumber
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b = self.w3.eth.getBlock(start_block)
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start_time = b['timestamp']
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tx_hash = contract.functions.mintTo(self.w3.eth.accounts[1], 1000000).transact({'from': self.w3.eth.accounts[0]})
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r = self.w3.eth.getTransactionReceipt(tx_hash)
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print ('mintTo: {}'.format(r['gasUsed']))
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def test_transfer(self):
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period = 10
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c = self.w3.eth.contract(abi=self.abi, bytecode=self.bytecode)
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tx_hash = c.constructor('Foo Token', 'FOO', 6, TAX_LEVEL * (10 ** 32), period, self.sink_address).transact({'from': self.w3.eth.accounts[0]})
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r = self.w3.eth.getTransactionReceipt(tx_hash)
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contract = self.w3.eth.contract(abi=self.abi, address=r.contractAddress)
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start_block = self.w3.eth.blockNumber
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b = self.w3.eth.getBlock(start_block)
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start_time = b['timestamp']
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contract.functions.mintTo(self.w3.eth.accounts[1], 1000000).transact({'from': self.w3.eth.accounts[0]})
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tx_hash = contract.functions.transfer(self.w3.eth.accounts[2], 1000000).transact({'from': self.w3.eth.accounts[1]})
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r = self.w3.eth.getTransactionReceipt(tx_hash)
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print ('transfer: {}'.format(r['gasUsed']))
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def test_approve(self):
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period = 10
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c = self.w3.eth.contract(abi=self.abi, bytecode=self.bytecode)
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tx_hash = c.constructor('Foo Token', 'FOO', 6, TAX_LEVEL * (10 ** 32), period, self.sink_address).transact({'from': self.w3.eth.accounts[0]})
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r = self.w3.eth.getTransactionReceipt(tx_hash)
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contract = self.w3.eth.contract(abi=self.abi, address=r.contractAddress)
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start_block = self.w3.eth.blockNumber
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b = self.w3.eth.getBlock(start_block)
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start_time = b['timestamp']
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contract.functions.mintTo(self.w3.eth.accounts[1], 1000000).transact({'from': self.w3.eth.accounts[0]})
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tx_hash = contract.functions.approve(self.w3.eth.accounts[2], 1000000).transact({'from': self.w3.eth.accounts[1]})
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r = self.w3.eth.getTransactionReceipt(tx_hash)
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print ('approve: {}'.format(r['gasUsed']))
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def test_transferfrom(self):
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period = 10
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c = self.w3.eth.contract(abi=self.abi, bytecode=self.bytecode)
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tx_hash = c.constructor('Foo Token', 'FOO', 6, TAX_LEVEL * (10 ** 32), period, self.sink_address).transact({'from': self.w3.eth.accounts[0]})
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r = self.w3.eth.getTransactionReceipt(tx_hash)
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contract = self.w3.eth.contract(abi=self.abi, address=r.contractAddress)
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start_block = self.w3.eth.blockNumber
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b = self.w3.eth.getBlock(start_block)
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start_time = b['timestamp']
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contract.functions.mintTo(self.w3.eth.accounts[1], 1000000).transact({'from': self.w3.eth.accounts[0]})
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contract.functions.approve(self.w3.eth.accounts[2], 1000000).transact({'from': self.w3.eth.accounts[1]})
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tx_hash = contract.functions.transferFrom(self.w3.eth.accounts[1], self.w3.eth.accounts[3], 1000000).transact({'from': self.w3.eth.accounts[2]})
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r = self.w3.eth.getTransactionReceipt(tx_hash)
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print ('transferFrom: {}'.format(r['gasUsed']))
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def test_redistribute_default(self):
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period = 10
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c = self.w3.eth.contract(abi=self.abi, bytecode=self.bytecode)
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tx_hash = c.constructor('Foo Token', 'FOO', 6, TAX_LEVEL * (10 ** 32), period, self.sink_address).transact({'from': self.w3.eth.accounts[0]})
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r = self.w3.eth.getTransactionReceipt(tx_hash)
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contract = self.w3.eth.contract(abi=self.abi, address=r.contractAddress)
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start_block = self.w3.eth.blockNumber
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b = self.w3.eth.getBlock(start_block)
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start_time = b['timestamp']
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for i in range(100):
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addr = web3.Web3.toChecksumAddress('0x' + os.urandom(20).hex())
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contract.functions.mintTo(addr, 1000000 * (i+1)).transact({'from': self.w3.eth.accounts[0]})
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self.eth_tester.time_travel(start_time + period * 60 + 1)
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redistribution = contract.functions.redistributions(0).call()
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tx_hash = contract.functions.changePeriod().transact({'from': self.w3.eth.accounts[2]})
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r = self.w3.eth.getTransactionReceipt(tx_hash)
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print ('chainPeriod -> defaultRedistribution: {}'.format(r['gasUsed']))
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def test_redistribution_account(self):
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period = 10
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c = self.w3.eth.contract(abi=self.abi, bytecode=self.bytecode)
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tx_hash = c.constructor('Foo Token', 'FOO', 6, TAX_LEVEL * (10 ** 32), period, self.sink_address).transact({'from': self.w3.eth.accounts[0]})
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r = self.w3.eth.getTransactionReceipt(tx_hash)
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contract = self.w3.eth.contract(abi=self.abi, address=r.contractAddress)
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start_block = self.w3.eth.blockNumber
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b = self.w3.eth.getBlock(start_block)
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start_time = b['timestamp']
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contract.functions.mintTo(self.w3.eth.accounts[1], 1000000).transact({'from': self.w3.eth.accounts[0]})
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contract.functions.transfer(self.w3.eth.accounts[2], 1000000).transact({'from': self.w3.eth.accounts[1]})
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for i in range(100):
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addr = web3.Web3.toChecksumAddress('0x' + os.urandom(20).hex())
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contract.functions.mintTo(addr, 1000000 * (i+1)).transact({'from': self.w3.eth.accounts[0]})
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self.eth_tester.time_travel(start_time + period * 60 + 1)
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redistribution = contract.functions.redistributions(0).call()
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tx_hash = contract.functions.applyRedistributionOnAccount(self.w3.eth.accounts[1]).transact({'from': self.w3.eth.accounts[2]})
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r = self.w3.eth.getTransactionReceipt(tx_hash)
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self.assertEqual(r.logs[0].topics[0].hex(), '0x9a2a887706623ad3ff7fc85652deeceabe9fe1e00466c597972079ee91ea40d3')
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print ('redistribute account: {}'.format(r['gasUsed']))
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def test_redistribution_account_transfer(self):
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period = 10
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c = self.w3.eth.contract(abi=self.abi, bytecode=self.bytecode)
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tx_hash = c.constructor('Foo Token', 'FOO', 6, TAX_LEVEL * (10 ** 32), period, self.sink_address).transact({'from': self.w3.eth.accounts[0]})
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r = self.w3.eth.getTransactionReceipt(tx_hash)
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contract = self.w3.eth.contract(abi=self.abi, address=r.contractAddress)
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start_block = self.w3.eth.blockNumber
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b = self.w3.eth.getBlock(start_block)
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start_time = b['timestamp']
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contract.functions.mintTo(self.w3.eth.accounts[1], 2000000).transact({'from': self.w3.eth.accounts[0]})
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contract.functions.transfer(self.w3.eth.accounts[2], 1000000).transact({'from': self.w3.eth.accounts[1]})
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for i in range(10):
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addr = web3.Web3.toChecksumAddress('0x' + os.urandom(20).hex())
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contract.functions.mintTo(addr, 1000000 * (i+1)).transact({'from': self.w3.eth.accounts[0]})
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self.eth_tester.time_travel(start_time + period * 60 + 1)
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redistribution = contract.functions.redistributions(0).call()
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contract.functions.changePeriod().transact({'from': self.w3.eth.accounts[0]})
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tx_hash = contract.functions.transfer(self.w3.eth.accounts[3], 100000).transact({'from': self.w3.eth.accounts[1]})
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r = self.w3.eth.getTransactionReceipt(tx_hash)
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self.assertEqual(r.logs[0].topics[0].hex(), '0x9a2a887706623ad3ff7fc85652deeceabe9fe1e00466c597972079ee91ea40d3')
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print ('redistribute account: {}'.format(r['gasUsed']))
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2021-02-06 20:01:33 +01:00
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if __name__ == '__main__':
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unittest.main()
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