# standard imports import os import unittest import json import logging import datetime # external imports from chainlib.eth.constant import ZERO_ADDRESS from chainlib.eth.nonce import RPCNonceOracle from chainlib.eth.tx import receipt from chainlib.eth.block import ( block_latest, block_by_number, ) # local imports from erc20_demurrage_token import DemurrageToken # test imports from erc20_demurrage_token.unittest.base import TestDemurrageDefault logging.basicConfig(level=logging.DEBUG) logg = logging.getLogger() testdir = os.path.dirname(__file__) class TestBasic(TestDemurrageDefault): def test_hello(self): nonce_oracle = RPCNonceOracle(self.accounts[0], self.rpc) c = DemurrageToken(self.chain_spec, signer=self.signer, nonce_oracle=nonce_oracle) o = c.actual_period(self.address, sender_address=self.accounts[0]) r = self.rpc.do(o) self.backend.time_travel(self.start_time + self.period_seconds + 1) o = c.actual_period(self.address, sender_address=self.accounts[0]) r = self.rpc.do(o) def test_balance(self): nonce_oracle = RPCNonceOracle(self.accounts[0], self.rpc) c = DemurrageToken(self.chain_spec, signer=self.signer, nonce_oracle=nonce_oracle) (tx_hash, o) = c.mint_to(self.address, self.accounts[0], self.accounts[1], 1024) r = self.rpc.do(o) o = receipt(tx_hash) r = self.rpc.do(o) self.assertEqual(r['status'], 1) o = c.balance_of(self.address, self.accounts[1], sender_address=self.accounts[0]) r = self.rpc.do(o) balance = c.parse_balance_of(r) self.assertEqual(balance, 1024) def test_apply_demurrage_limited(self): modifier = (10 ** 28) nonce_oracle = RPCNonceOracle(self.accounts[0], self.rpc) c = DemurrageToken(self.chain_spec, signer=self.signer, nonce_oracle=nonce_oracle) o = c.demurrage_amount(self.address, sender_address=self.accounts[0]) r = self.rpc.do(o) demurrage_amount = c.parse_demurrage_amount(r) self.assertEqual(modifier, demurrage_amount) self.backend.time_travel(self.start_time + 120) (tx_hash, o) = c.apply_demurrage(self.address, sender_address=self.accounts[0], limit=1) r = self.rpc.do(o) o = receipt(tx_hash) r = self.rpc.do(o) self.assertEqual(r['status'], 1) o = c.demurrage_amount(self.address, sender_address=self.accounts[0]) r = self.rpc.do(o) demurrage_amount = c.parse_demurrage_amount(r) modifier_base = 1000000 - self.tax_level modifier = int(modifier_base * (10 ** 22)) # 38 decimal places minus 6 (1000000) self.assertEqual(modifier, demurrage_amount) def test_apply_demurrage(self): modifier = (10 ** 28) nonce_oracle = RPCNonceOracle(self.accounts[0], self.rpc) c = DemurrageToken(self.chain_spec, signer=self.signer, nonce_oracle=nonce_oracle) o = c.demurrage_amount(self.address, sender_address=self.accounts[0]) r = self.rpc.do(o) demurrage_amount = c.parse_demurrage_amount(r) self.assertEqual(modifier, demurrage_amount) o = block_latest() r = self.rpc.do(o) o = block_by_number(r) b = self.rpc.do(o) logg.debug('block {} start {}'.format(b['timestamp'], self.start_time)) self.backend.time_travel(self.start_time + 2) (tx_hash, o) = c.apply_demurrage(self.address, sender_address=self.accounts[0]) r = self.rpc.do(o) o = receipt(tx_hash) r = self.rpc.do(o) self.assertEqual(r['status'], 1) o = c.demurrage_amount(self.address, sender_address=self.accounts[0]) r = self.rpc.do(o) demurrage_amount = c.parse_demurrage_amount(r) self.assertEqual(modifier, demurrage_amount) self.backend.time_travel(self.start_time + 61) (tx_hash, o) = c.apply_demurrage(self.address, sender_address=self.accounts[0]) r = self.rpc.do(o) o = receipt(tx_hash) r = self.rpc.do(o) self.assertEqual(r['status'], 1) o = c.demurrage_amount(self.address, sender_address=self.accounts[0]) r = self.rpc.do(o) demurrage_amount = c.parse_demurrage_amount(r) modifier_base = 1000000 - self.tax_level modifier = int(modifier_base * (10 ** 22)) # 38 decimal places minus 6 (1000000) self.assertEqual(modifier, demurrage_amount) self.backend.time_travel(self.start_time + 601) (tx_hash, o) = c.apply_demurrage(self.address, sender_address=self.accounts[0]) r = self.rpc.do(o) o = receipt(tx_hash) r = self.rpc.do(o) self.assertEqual(r['status'], 1) o = c.demurrage_amount(self.address, sender_address=self.accounts[0]) r = self.rpc.do(o) demurrage_amount = c.parse_demurrage_amount(r) modifier_base = ((1000000 - self.tax_level) / 1000000) ** 10 logg.warning('mod base {}'.format(modifier_base)) modifier = int(modifier_base * (10 ** 12)) rounding_tolerance_nano = 4000000 # 0.000004% precision demurrage_amount_truncate = int(demurrage_amount / (10 ** 16)) # equals 38 decimal places - 14 for the modifier magniture - 2 for percent int calc + 6 for token decimals <- TODO verify this calc self.assertGreaterEqual(modifier, demurrage_amount_truncate - rounding_tolerance_nano) self.assertLessEqual(modifier, demurrage_amount_truncate) def test_mint(self): nonce_oracle = RPCNonceOracle(self.accounts[0], self.rpc) c = DemurrageToken(self.chain_spec, signer=self.signer, nonce_oracle=nonce_oracle) (tx_hash, o) = c.mint_to(self.address, self.accounts[0], self.accounts[1], 1024) r = self.rpc.do(o) o = receipt(tx_hash) r = self.rpc.do(o) self.assertEqual(r['status'], 1) o = c.balance_of(self.address, self.accounts[1], sender_address=self.accounts[0]) r = self.rpc.do(o) balance = c.parse_balance_of(r) self.assertEqual(balance, 1024) (tx_hash, o) = c.mint_to(self.address, self.accounts[0], self.accounts[1], 976) r = self.rpc.do(o) o = receipt(tx_hash) r = self.rpc.do(o) self.assertEqual(r['status'], 1) o = c.balance_of(self.address, self.accounts[1], sender_address=self.accounts[0]) r = self.rpc.do(o) balance = c.parse_balance_of(r) self.assertEqual(balance, 2000) self.backend.time_travel(self.start_time + 61) (tx_hash, o) = c.apply_demurrage(self.address, sender_address=self.accounts[0]) r = self.rpc.do(o) o = c.balance_of(self.address, self.accounts[1], sender_address=self.accounts[0]) r = self.rpc.do(o) balance = c.parse_balance_of(r) self.assertEqual(balance, int(2000 * 0.98)) def test_minter_control(self): nonce_oracle = RPCNonceOracle(self.accounts[1], self.rpc) c = DemurrageToken(self.chain_spec, signer=self.signer, nonce_oracle=nonce_oracle) (tx_hash, o) = c.mint_to(self.address, self.accounts[1], self.accounts[2], 1024) self.rpc.do(o) o = receipt(tx_hash) r = self.rpc.do(o) self.assertEqual(r['status'], 0) (tx_hash, o) = c.add_minter(self.address, self.accounts[1], self.accounts[1]) self.rpc.do(o) o = receipt(tx_hash) r = self.rpc.do(o) self.assertEqual(r['status'], 0) nonce_oracle = RPCNonceOracle(self.accounts[0], self.rpc) c = DemurrageToken(self.chain_spec, signer=self.signer, nonce_oracle=nonce_oracle) (tx_hash, o) = c.add_minter(self.address, self.accounts[0], self.accounts[1]) self.rpc.do(o) o = receipt(tx_hash) r = self.rpc.do(o) self.assertEqual(r['status'], 1) nonce_oracle = RPCNonceOracle(self.accounts[1], self.rpc) c = DemurrageToken(self.chain_spec, signer=self.signer, nonce_oracle=nonce_oracle) (tx_hash, o) = c.mint_to(self.address, self.accounts[1], self.accounts[2], 1024) self.rpc.do(o) o = receipt(tx_hash) r = self.rpc.do(o) self.assertEqual(r['status'], 1) (tx_hash, o) = c.add_minter(self.address, self.accounts[1], self.accounts[2]) self.rpc.do(o) o = receipt(tx_hash) r = self.rpc.do(o) self.assertEqual(r['status'], 0) (tx_hash, o) = c.remove_minter(self.address, self.accounts[1], self.accounts[1]) self.rpc.do(o) o = receipt(tx_hash) r = self.rpc.do(o) self.assertEqual(r['status'], 1) (tx_hash, o) = c.mint_to(self.address, self.accounts[1], self.accounts[2], 1024) self.rpc.do(o) o = receipt(tx_hash) r = self.rpc.do(o) self.assertEqual(r['status'], 0) def test_base_amount(self): nonce_oracle = RPCNonceOracle(self.accounts[0], self.rpc) c = DemurrageToken(self.chain_spec, signer=self.signer, nonce_oracle=nonce_oracle) (tx_hash, o) = c.mint_to(self.address, self.accounts[0], self.accounts[1], 1024) self.rpc.do(o) self.backend.time_travel(self.start_time + 61) (tx_hash, o) = c.apply_demurrage(self.address, sender_address=self.accounts[0]) r = self.rpc.do(o) o = c.to_base_amount(self.address, 1000, sender_address=self.accounts[0]) r = self.rpc.do(o) amount = c.parse_to_base_amount(r) self.assertEqual(amount, 1020) def test_transfer(self): nonce_oracle = RPCNonceOracle(self.accounts[0], self.rpc) c = DemurrageToken(self.chain_spec, signer=self.signer, nonce_oracle=nonce_oracle) (tx_hash, o) = c.mint_to(self.address, self.accounts[0], self.accounts[1], 1024) self.rpc.do(o) nonce_oracle = RPCNonceOracle(self.accounts[1], self.rpc) c = DemurrageToken(self.chain_spec, signer=self.signer, nonce_oracle=nonce_oracle) (tx_hash, o) = c.transfer(self.address, self.accounts[1], self.accounts[2], 500) self.rpc.do(o) o = receipt(tx_hash) r = self.rpc.do(o) self.assertEqual(r['status'], 1) o = c.balance_of(self.address, self.accounts[1], sender_address=self.accounts[0]) r = self.rpc.do(o) balance = c.parse_balance_of(r) self.assertEqual(balance, 524) o = c.balance_of(self.address, self.accounts[2], sender_address=self.accounts[0]) r = self.rpc.do(o) balance = c.parse_balance_of(r) self.assertEqual(balance, 500) nonce_oracle = RPCNonceOracle(self.accounts[2], self.rpc) c = DemurrageToken(self.chain_spec, signer=self.signer, nonce_oracle=nonce_oracle) (tx_hash, o) = c.transfer(self.address, self.accounts[2], self.accounts[1], 500) self.rpc.do(o) o = receipt(tx_hash) r = self.rpc.do(o) self.assertEqual(r['status'], 1) def test_approve(self): nonce_oracle = RPCNonceOracle(self.accounts[0], self.rpc) c = DemurrageToken(self.chain_spec, signer=self.signer, nonce_oracle=nonce_oracle) (tx_hash, o) = c.approve(self.address, self.accounts[0], self.accounts[1], 500) self.rpc.do(o) o = receipt(tx_hash) r = self.rpc.do(o) self.assertEqual(r['status'], 1) (tx_hash, o) = c.approve(self.address, self.accounts[0], self.accounts[1], 600) self.rpc.do(o) o = receipt(tx_hash) r = self.rpc.do(o) self.assertEqual(r['status'], 0) (tx_hash, o) = c.approve(self.address, self.accounts[0], self.accounts[1], 0) self.rpc.do(o) o = receipt(tx_hash) r = self.rpc.do(o) self.assertEqual(r['status'], 1) (tx_hash, o) = c.approve(self.address, self.accounts[0], self.accounts[1], 600) self.rpc.do(o) o = receipt(tx_hash) r = self.rpc.do(o) self.assertEqual(r['status'], 1) (tx_hash, o) = c.increase_allowance(self.address, self.accounts[0], self.accounts[1], 200) self.rpc.do(o) o = receipt(tx_hash) r = self.rpc.do(o) self.assertEqual(r['status'], 1) (tx_hash, o) = c.decrease_allowance(self.address, self.accounts[0], self.accounts[1], 800) self.rpc.do(o) o = receipt(tx_hash) r = self.rpc.do(o) self.assertEqual(r['status'], 1) (tx_hash, o) = c.approve(self.address, self.accounts[0], self.accounts[1], 42) self.rpc.do(o) o = receipt(tx_hash) r = self.rpc.do(o) self.assertEqual(r['status'], 1) def test_transfer_from(self): nonce_oracle = RPCNonceOracle(self.accounts[0], self.rpc) c = DemurrageToken(self.chain_spec, signer=self.signer, nonce_oracle=nonce_oracle) (tx_hash, o) = c.mint_to(self.address, self.accounts[0], self.accounts[1], 1024) self.rpc.do(o) nonce_oracle = RPCNonceOracle(self.accounts[1], self.rpc) c = DemurrageToken(self.chain_spec, signer=self.signer, nonce_oracle=nonce_oracle) (tx_hash, o) = c.approve(self.address, self.accounts[1], self.accounts[2], 500) self.rpc.do(o) o = receipt(tx_hash) r = self.rpc.do(o) self.assertEqual(r['status'], 1) o = c.balance_of(self.address, self.accounts[1], sender_address=self.accounts[0]) r = self.rpc.do(o) balance = c.parse_balance_of(r) self.assertEqual(balance, 1024) nonce_oracle = RPCNonceOracle(self.accounts[2], self.rpc) c = DemurrageToken(self.chain_spec, signer=self.signer, nonce_oracle=nonce_oracle) (tx_hash, o) = c.transfer_from(self.address, self.accounts[2], self.accounts[1], self.accounts[3], 500) self.rpc.do(o) o = receipt(tx_hash) r = self.rpc.do(o) self.assertEqual(r['status'], 1) o = c.balance_of(self.address, self.accounts[1], sender_address=self.accounts[0]) r = self.rpc.do(o) balance = c.parse_balance_of(r) self.assertEqual(balance, 524) o = c.balance_of(self.address, self.accounts[3], sender_address=self.accounts[0]) r = self.rpc.do(o) balance = c.parse_balance_of(r) self.assertEqual(balance, 500) if __name__ == '__main__': unittest.main()