180 lines
6.6 KiB
Python
180 lines
6.6 KiB
Python
# 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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import datetime
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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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#BLOCKTIME = 5 # seconds
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TAX_LEVEL = int(10000 * 2) # 2%
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# calc "1-(0.98)^(1/518400)" <- 518400 = 30 days of blocks
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# 0.00000003897127107225
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#PERIOD = int(60/BLOCKTIME) * 60 * 24 * 30 # month
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PERIOD = 1
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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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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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self.contract = self.w3.eth.contract(abi=self.abi, address=r.contractAddress)
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self.start_block = self.w3.eth.blockNumber
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b = self.w3.eth.getBlock(self.start_block)
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self.start_time = b['timestamp']
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def tearDown(self):
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pass
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def test_hello(self):
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self.assertEqual(self.contract.functions.actualPeriod().call(), 1)
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self.eth_tester.time_travel(self.start_time + 61)
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self.assertEqual(self.contract.functions.actualPeriod().call(), 2)
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def test_apply_demurrage(self):
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modifier = 10 * (10 ** 37)
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demurrage_modifier = self.contract.functions.demurrageModifier().call()
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demurrage_modifier &= (1 << 128) - 1
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self.assertEqual(modifier, demurrage_modifier)
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self.eth_tester.time_travel(self.start_time + 59)
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demurrage_modifier = self.contract.functions.demurrageModifier().call()
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demurrage_modifier &= (1 << 128) - 1
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self.assertEqual(modifier, demurrage_modifier)
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self.eth_tester.time_travel(self.start_time + 61)
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tx_hash = self.contract.functions.applyDemurrage().transact()
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r = self.w3.eth.getTransactionReceipt(tx_hash)
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demurrage_modifier = self.contract.functions.demurrageModifier().call()
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demurrage_modifier &= (1 << 128) - 1
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self.assertEqual(int(98 * (10 ** 36)), demurrage_modifier)
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def test_mint(self):
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tx_hash = self.contract.functions.mintTo(self.w3.eth.accounts[1], 1024).transact()
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r = self.w3.eth.getTransactionReceipt(tx_hash)
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self.assertEqual(r.status, 1)
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balance = self.contract.functions.balanceOf(self.w3.eth.accounts[1]).call()
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self.assertEqual(balance, 1024)
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tx_hash = self.contract.functions.mintTo(self.w3.eth.accounts[1], 976).transact()
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r = self.w3.eth.getTransactionReceipt(tx_hash)
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self.assertEqual(r.status, 1)
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balance = self.contract.functions.balanceOf(self.w3.eth.accounts[1]).call()
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self.assertEqual(balance, 2000)
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self.eth_tester.time_travel(self.start_time + 61)
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balance = self.contract.functions.balanceOf(self.w3.eth.accounts[1]).call()
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self.assertEqual(balance, int(2000 * 0.98))
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def test_base_amount(self):
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tx_hash = self.contract.functions.mintTo(self.w3.eth.accounts[1], 1000).transact()
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r = self.w3.eth.getTransactionReceipt(tx_hash)
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self.assertEqual(r.status, 1)
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self.eth_tester.time_travel(self.start_time + 61)
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self.contract.functions.applyDemurrage().transact()
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demurrage_modifier = self.contract.functions.demurrageModifier().call()
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demurrage_amount = self.contract.functions.toDemurrageAmount(demurrage_modifier).call()
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logg.debug('d {} {}'.format(demurrage_modifier.to_bytes(32, 'big').hex(), demurrage_amount))
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a = self.contract.functions.toBaseAmount(1000).call();
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self.assertEqual(a, 1020)
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def test_transfer(self):
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tx_hash = self.contract.functions.mintTo(self.w3.eth.accounts[1], 1024).transact()
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r = self.w3.eth.getTransactionReceipt(tx_hash)
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self.assertEqual(r.status, 1)
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tx_hash = self.contract.functions.transfer(self.w3.eth.accounts[2], 500).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.status, 1)
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logg.debug('tx {}'.format(r))
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balance_alice = self.contract.functions.balanceOf(self.w3.eth.accounts[1]).call()
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self.assertEqual(balance_alice, 524)
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balance_bob = self.contract.functions.balanceOf(self.w3.eth.accounts[2]).call()
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self.assertEqual(balance_bob, 500)
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tx_hash = self.contract.functions.transfer(self.w3.eth.accounts[2], 500).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.status, 1)
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logg.debug('tx {}'.format(r))
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def test_transfer_from(self):
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tx_hash = self.contract.functions.mintTo(self.w3.eth.accounts[1], 1024).transact()
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r = self.w3.eth.getTransactionReceipt(tx_hash)
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self.assertEqual(r.status, 1)
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tx_hash = self.contract.functions.approve(self.w3.eth.accounts[2], 500).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.status, 1)
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logg.debug('tx {}'.format(r))
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balance_alice = self.contract.functions.balanceOf(self.w3.eth.accounts[1]).call()
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self.assertEqual(balance_alice, 1024)
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tx_hash = self.contract.functions.transferFrom(self.w3.eth.accounts[1], self.w3.eth.accounts[3], 500).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.status, 1)
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logg.debug('tx {}'.format(r))
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balance_alice = self.contract.functions.balanceOf(self.w3.eth.accounts[1]).call()
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self.assertEqual(balance_alice, 524)
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balance_alice = self.contract.functions.balanceOf(self.w3.eth.accounts[3]).call()
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self.assertEqual(balance_alice, 500)
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if __name__ == '__main__':
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unittest.main()
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