167 lines
6.1 KiB
Python
167 lines
6.1 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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# 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 = 10000 * 2 # 2%
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#PERIOD = int(60/BLOCKTIME) * 60 * 24 * 30 # month
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PERIOD = 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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c = self.w3.eth.contract(abi=self.abi, bytecode=self.bytecode)
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tx_hash = c.constructor('Foo Token', 'FOO', TAX_LEVEL, PERIOD).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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def tearDown(self):
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pass
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def test_period(self):
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self.assertEqual(self.contract.functions.actualPeriod().call(), 0)
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self.eth_tester.mine_blocks(PERIOD)
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self.assertEqual(self.contract.functions.actualPeriod().call(), 1)
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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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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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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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def test_apply_tax(self):
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self.eth_tester.mine_blocks(PERIOD)
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tx_hash = self.contract.functions.applyTax().transact()
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r = self.w3.eth.getTransactionReceipt(tx_hash)
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self.assertEqual(self.contract.functions.redistributionCount().call(), 2)
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self.assertEqual(self.contract.functions.demurrageModifier().call(), 980000)
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self.eth_tester.mine_blocks(PERIOD)
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tx_hash = self.contract.functions.applyTax().transact()
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r = self.w3.eth.getTransactionReceipt(tx_hash)
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self.assertEqual(self.contract.functions.redistributionCount().call(), 3)
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self.assertEqual(self.contract.functions.demurrageModifier().call(), 960400)
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def test_tax_balance(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.mine_blocks(PERIOD)
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tx_hash = self.contract.functions.applyTax().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, 980)
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def test_taxed_transfer(self):
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tx_hash = self.contract.functions.mintTo(self.w3.eth.accounts[1], 1000000).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.mine_blocks(PERIOD)
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tx_hash = self.contract.functions.applyTax().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_alice = self.contract.functions.balanceOf(self.w3.eth.accounts[1]).call()
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self.assertEqual(balance_alice, 980000);
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tx_hash = self.contract.functions.transfer(self.w3.eth.accounts[2], 500000).transact({'from': self.w3.eth.accounts[1]})
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r = self.w3.eth.getTransactionReceipt(tx_hash)
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logg.debug('r {}'.format(r))
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self.assertEqual(r.status, 1)
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balance_alice = self.contract.functions.balanceOf(self.w3.eth.accounts[1]).call()
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balance_alice_trunc = int(balance_alice/1000)*1000
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self.assertEqual(balance_alice_trunc, 480000)
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balance_bob = self.contract.functions.balanceOf(self.w3.eth.accounts[2]).call()
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balance_bob_trunc = int(balance_bob/1000)*1000
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self.assertEqual(balance_bob_trunc, 500000)
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def test_period(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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period = self.contract.functions.accountPeriod(self.w3.eth.accounts[1]).call();
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self.assertEqual(period, 11);
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if __name__ == '__main__':
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unittest.main()
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