mirror of
git://holbrook.no/erc20-demurrage-token
synced 2026-04-27 02:27:15 +02:00
Add burn method + minor bug fixes
This commit is contained in:
Louis Holbrook
@@ -276,7 +276,52 @@ class TestBasic(TestDemurrageDefault):
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r = self.rpc.do(o)
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self.assertEqual(r['status'], 1)
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def test_approve(self):
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nonce_oracle = RPCNonceOracle(self.accounts[0], self.rpc)
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c = DemurrageToken(self.chain_spec, signer=self.signer, nonce_oracle=nonce_oracle)
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(tx_hash, o) = c.approve(self.address, self.accounts[0], self.accounts[1], 500)
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self.rpc.do(o)
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o = receipt(tx_hash)
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r = self.rpc.do(o)
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self.assertEqual(r['status'], 1)
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(tx_hash, o) = c.approve(self.address, self.accounts[0], self.accounts[1], 600)
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self.rpc.do(o)
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o = receipt(tx_hash)
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r = self.rpc.do(o)
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self.assertEqual(r['status'], 0)
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(tx_hash, o) = c.approve(self.address, self.accounts[0], self.accounts[1], 0)
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self.rpc.do(o)
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o = receipt(tx_hash)
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r = self.rpc.do(o)
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self.assertEqual(r['status'], 1)
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(tx_hash, o) = c.approve(self.address, self.accounts[0], self.accounts[1], 600)
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self.rpc.do(o)
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o = receipt(tx_hash)
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r = self.rpc.do(o)
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self.assertEqual(r['status'], 1)
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(tx_hash, o) = c.increase_allowance(self.address, self.accounts[0], self.accounts[1], 200)
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self.rpc.do(o)
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o = receipt(tx_hash)
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r = self.rpc.do(o)
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self.assertEqual(r['status'], 1)
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(tx_hash, o) = c.decrease_allowance(self.address, self.accounts[0], self.accounts[1], 800)
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self.rpc.do(o)
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o = receipt(tx_hash)
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r = self.rpc.do(o)
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self.assertEqual(r['status'], 1)
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(tx_hash, o) = c.approve(self.address, self.accounts[0], self.accounts[1], 42)
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self.rpc.do(o)
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o = receipt(tx_hash)
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r = self.rpc.do(o)
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self.assertEqual(r['status'], 1)
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def test_transfer_from(self):
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nonce_oracle = RPCNonceOracle(self.accounts[0], self.rpc)
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@@ -315,6 +360,12 @@ class TestBasic(TestDemurrageDefault):
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balance = c.parse_balance_of(r)
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self.assertEqual(balance, 500)
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(tx_hash, o) = c.transfer_from(self.address, self.accounts[2], self.accounts[1], self.accounts[3], 1)
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self.rpc.do(o)
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o = receipt(tx_hash)
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r = self.rpc.do(o)
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self.assertEqual(r['status'], 0)
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if __name__ == '__main__':
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unittest.main()
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320
python/tests/test_burn.py
Normal file
320
python/tests/test_burn.py
Normal file
@@ -0,0 +1,320 @@
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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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import datetime
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# external imports
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from chainlib.eth.constant import ZERO_ADDRESS
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from chainlib.eth.nonce import RPCNonceOracle
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from chainlib.eth.tx import receipt
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from chainlib.eth.block import (
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block_latest,
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block_by_number,
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)
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# local imports
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from erc20_demurrage_token import DemurrageToken
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# test imports
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from erc20_demurrage_token.unittest.base import TestDemurrage
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logging.basicConfig(level=logging.INFO)
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logg = logging.getLogger()
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testdir = os.path.dirname(__file__)
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TAX_LEVEL = 2
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class TestBurn(TestDemurrage):
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def setUp(self):
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super(TestBurn, self).setUp()
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def deploy(self, tax_level=None):
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nonce_oracle = RPCNonceOracle(self.accounts[0], self.rpc)
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c = DemurrageToken(self.chain_spec, signer=self.signer, nonce_oracle=nonce_oracle)
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self.mode = os.environ.get('ERC20_DEMURRAGE_TOKEN_TEST_MODE')
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if self.mode == None:
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self.mode = 'MultiNocap'
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logg.debug('executing test setup default mode {}'.format(self.mode))
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if tax_level != None:
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self.deployer.settings.demurrage_level = tax_level * (10 ** 32)
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self.deployer.settings.sink_address = self.accounts[9]
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self.deployer.sink_address = self.accounts[9]
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super(TestBurn, self).deploy(c, self.mode)
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logg.info('deployed with mode {}'.format(self.mode))
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# Burn tokens and immediately check balances and supply
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def test_burn_basic(self):
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self.deploy()
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nonce_oracle = RPCNonceOracle(self.accounts[0], self.rpc)
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c = DemurrageToken(self.chain_spec, signer=self.signer, nonce_oracle=nonce_oracle)
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(tx_hash, o) = c.mint_to(self.address, self.accounts[0], self.accounts[1], 1000000)
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r = self.rpc.do(o)
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nonce_oracle = RPCNonceOracle(self.accounts[1], self.rpc)
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c = DemurrageToken(self.chain_spec, signer=self.signer, nonce_oracle=nonce_oracle)
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(tx_hash, o) = c.burn(self.address, self.accounts[1], 600000)
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r = self.rpc.do(o)
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o = receipt(tx_hash)
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r = self.rpc.do(o)
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self.assertEqual(r['status'], 0)
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nonce_oracle = RPCNonceOracle(self.accounts[0], self.rpc)
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c = DemurrageToken(self.chain_spec, signer=self.signer, nonce_oracle=nonce_oracle)
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(tx_hash, o) = c.add_minter(self.address, self.accounts[0], self.accounts[1])
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r = self.rpc.do(o)
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nonce_oracle = RPCNonceOracle(self.accounts[1], self.rpc)
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c = DemurrageToken(self.chain_spec, signer=self.signer, nonce_oracle=nonce_oracle)
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(tx_hash, o) = c.burn(self.address, self.accounts[1], 600000)
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r = self.rpc.do(o)
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o = receipt(tx_hash)
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r = self.rpc.do(o)
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self.assertEqual(r['status'], 1)
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o = c.total_supply(self.address, sender_address=self.accounts[0])
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r = self.rpc.do(o)
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new_supply = c.parse_total_supply(r)
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self.assertEqual(new_supply, 400000)
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o = c.total_burned(self.address, sender_address=self.accounts[0])
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r = self.rpc.do(o)
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burned = c.parse_total_burned(r)
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self.assertEqual(burned, 600000)
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# burn tokens and check sink balance and supply after first redistribution period
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def test_burned_redistribution(self):
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self.deploy()
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nonce_oracle = RPCNonceOracle(self.accounts[0], self.rpc)
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c = DemurrageToken(self.chain_spec, signer=self.signer, nonce_oracle=nonce_oracle)
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(tx_hash, o) = c.mint_to(self.address, self.accounts[0], self.accounts[0], 1000000000)
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r = self.rpc.do(o)
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(tx_hash, o) = c.burn(self.address, self.accounts[0], 500000000)
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r = self.rpc.do(o)
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(tx_hash, o) = c.transfer(self.address, self.accounts[0], self.sink_address, 500000000)
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r = self.rpc.do(o)
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self.backend.time_travel(self.start_time + self.period_seconds)
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o = c.balance(self.address, self.sink_address, sender_address=self.accounts[0])
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r = self.rpc.do(o)
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bal = c.parse_balance(r)
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self.assertEqual(bal, 416873881) # 9 periods demurrage
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(tx_hash, o) = c.change_period(self.address, self.accounts[0])
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r = self.rpc.do(o)
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o = receipt(tx_hash)
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r = self.rpc.do(o)
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self.assertEqual(r['status'], 1)
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o = c.total_supply(self.address, sender_address=self.accounts[0])
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r = self.rpc.do(o)
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new_supply = c.parse_total_supply(r)
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self.assertEqual(new_supply, 500000000)
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o = c.balance(self.address, self.sink_address, sender_address=self.accounts[0])
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r = self.rpc.do(o)
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bal = c.parse_balance(r)
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self.assert_within_lower(bal, 500000000, 0.0025)
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self.backend.time_travel(self.start_time + (self.period_seconds * 2))
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(tx_hash, o) = c.change_period(self.address, self.accounts[0])
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r = self.rpc.do(o)
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o = receipt(tx_hash)
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r = self.rpc.do(o)
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self.assertEqual(r['status'], 1)
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o = c.total_supply(self.address, sender_address=self.accounts[0])
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r = self.rpc.do(o)
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new_supply = c.parse_total_supply(r)
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self.assertEqual(new_supply, 500000000)
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# if we don't burn anything more it should be the same
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o = c.balance(self.address, self.sink_address, sender_address=self.accounts[0])
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r = self.rpc.do(o)
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bal = c.parse_balance(r)
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self.assert_within_lower(bal, 500000000, 0.0025)
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# burn tokens and check sink and taxed balance and supply after first redistribution period
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def test_burned_other_redistribution(self):
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self.deploy()
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nonce_oracle = RPCNonceOracle(self.accounts[0], self.rpc)
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c = DemurrageToken(self.chain_spec, signer=self.signer, nonce_oracle=nonce_oracle)
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(tx_hash, o) = c.mint_to(self.address, self.accounts[0], self.accounts[0], 1000000000)
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r = self.rpc.do(o)
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(tx_hash, o) = c.burn(self.address, self.accounts[0], 500000000)
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r = self.rpc.do(o)
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(tx_hash, o) = c.transfer(self.address, self.accounts[0], self.accounts[1], 500000000)
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r = self.rpc.do(o)
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self.backend.time_travel(self.start_time + self.period_seconds)
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o = c.balance(self.address, self.accounts[1], sender_address=self.accounts[0])
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r = self.rpc.do(o)
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bal = c.parse_balance(r)
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self.assertEqual(bal, 416873881) # 9 periods demurrage
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(tx_hash, o) = c.change_period(self.address, self.accounts[0])
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r = self.rpc.do(o)
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o = receipt(tx_hash)
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r = self.rpc.do(o)
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self.assertEqual(r['status'], 1)
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o = c.total_supply(self.address, sender_address=self.accounts[0])
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r = self.rpc.do(o)
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new_supply = c.parse_total_supply(r)
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self.assertEqual(new_supply, 500000000)
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o = c.balance(self.address, self.accounts[1], sender_address=self.accounts[0])
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r = self.rpc.do(o)
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bal = c.parse_balance(r)
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self.assertEqual(bal, 408536403) # 9 periods demurrage
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o = c.balance(self.address, self.sink_address, sender_address=self.accounts[0])
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r = self.rpc.do(o)
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sink_bal = c.parse_balance(r)
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self.assert_within_lower(sink_bal, 500000000 - 408536403, 0.09) # TODO is this ok variance, 1.0 is ppm?
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self.backend.time_travel(self.start_time + (self.period_seconds * 2))
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(tx_hash, o) = c.change_period(self.address, self.accounts[0])
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r = self.rpc.do(o)
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o = receipt(tx_hash)
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r = self.rpc.do(o)
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self.assertEqual(r['status'], 1)
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o = c.total_supply(self.address, sender_address=self.accounts[0])
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r = self.rpc.do(o)
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new_supply = c.parse_total_supply(r)
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self.assertEqual(new_supply, 500000000)
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o = c.balance(self.address, self.accounts[1], sender_address=self.accounts[0])
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r = self.rpc.do(o)
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next_bal = c.parse_balance(r)
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self.assertEqual(next_bal, 333803985) # 9 periods demurrage
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o = c.balance(self.address, self.sink_address, sender_address=self.accounts[0])
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r = self.rpc.do(o)
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prev_sink_bal = sink_bal
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bal = prev_sink_bal + (bal - next_bal)
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sink_bal = c.parse_balance(r)
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self.assert_within_lower(sink_bal, bal, 0.09) # TODO is this ok variance, 1.0 is ppm?
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# verify expected results of balance and supply after multiple redistribution periods
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def test_burn_accumulate(self):
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self.deploy(tax_level=2/1000)
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nonce_oracle = RPCNonceOracle(self.accounts[0], self.rpc)
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c = DemurrageToken(self.chain_spec, signer=self.signer, nonce_oracle=nonce_oracle)
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(tx_hash, o) = c.add_minter(self.address, self.accounts[0], self.sink_address)
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self.rpc.do(o)
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o = receipt(tx_hash)
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r = self.rpc.do(o)
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self.assertEqual(r['status'], 1)
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(tx_hash, o) = c.mint_to(self.address, self.accounts[0], self.sink_address, self.default_supply)
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r = self.rpc.do(o)
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balance_share = int(self.default_supply / 2)
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nonce_oracle = RPCNonceOracle(self.sink_address, self.rpc)
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c = DemurrageToken(self.chain_spec, signer=self.signer, nonce_oracle=nonce_oracle)
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(tx_hash, o) = c.transfer(self.address, self.sink_address, self.accounts[1], balance_share)
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r = self.rpc.do(o)
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new_supply = None
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burn_rate = 1000
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sink_bal = None
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bob_bal = None
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bob_refund = None
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o = c.balance(self.address, self.accounts[1], sender_address=self.accounts[0])
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r = self.rpc.do(o)
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bob_bal = c.parse_balance(r)
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prev_bob_bal = bob_bal
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iterations = 100
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for i in range(1, iterations + 1):
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nonce_oracle = RPCNonceOracle(self.sink_address, self.rpc)
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c = DemurrageToken(self.chain_spec, signer=self.signer, nonce_oracle=nonce_oracle)
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if bob_refund != None:
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(tx_hash, o) = c.transfer(self.address, self.sink_address, self.accounts[1], bob_refund)
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r = self.rpc.do(o)
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o = receipt(tx_hash)
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r = self.rpc.do(o)
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self.assertEqual(r['status'], 1)
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(tx_hash, o) = c.burn(self.address, self.sink_address, burn_rate)
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r = self.rpc.do(o)
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o = receipt(tx_hash)
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r = self.rpc.do(o)
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self.assertEqual(r['status'], 1)
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nonce_oracle = RPCNonceOracle(self.accounts[0], self.rpc)
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c = DemurrageToken(self.chain_spec, signer=self.signer, nonce_oracle=nonce_oracle)
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o = c.total_supply(self.address, sender_address=self.accounts[0])
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r = self.rpc.do(o)
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new_supply = c.parse_total_supply(r)
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self.backend.time_travel(self.start_time + (self.period_seconds * i))
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(tx_hash, o) = c.change_period(self.address, self.accounts[0])
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self.rpc.do(o)
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o = c.balance(self.address, self.accounts[1], sender_address=self.accounts[0])
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r = self.rpc.do(o)
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bob_bal = c.parse_balance(r)
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bob_refund = prev_bob_bal - bob_bal
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o = c.balance(self.address, self.sink_address, sender_address=self.accounts[0])
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r = self.rpc.do(o)
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burner_bal = c.parse_balance(r)
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sum_supply = bob_bal + burner_bal
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o = c.total_burned(self.address, sender_address=self.accounts[0])
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r = self.rpc.do(o)
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total_burned = c.parse_balance(r)
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o = c.to_base_amount(self.address, total_burned, sender_address=self.accounts[0])
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r = self.rpc.do(o)
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total_burned_base = c.parse_balance(r)
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expected_supply = self.default_supply - (burn_rate * i)
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logg.info('checking burn round {} balance burner {} bob {} supply {} expected {} summed {} burned {} base {}'.format(i, burner_bal, bob_bal, new_supply, expected_supply, sum_supply, total_burned, total_burned_base))
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self.assertEqual(new_supply, expected_supply)
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sum_supply = burner_bal + bob_bal
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logg.debug('balances sink {} bob {} total {} supply real {} original {}'.format(sink_bal, bob_bal, sum_supply, new_supply, self.default_supply))
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self.assert_within_lower(sum_supply, new_supply, 0.00001)
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self.assert_within_greater(burner_bal, balance_share - total_burned, 0.1)
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bob_delta = self.default_supply * ((2 / 1000000) / 1000)
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self.assert_within_lower(bob_bal, balance_share - bob_delta, 0.1)
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self.assertEqual(total_burned, iterations * burn_rate)
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if __name__ == '__main__':
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unittest.main()
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133
python/tests/test_demurrage.py
Normal file
133
python/tests/test_demurrage.py
Normal file
@@ -0,0 +1,133 @@
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# standard imports
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import datetime
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import unittest
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||||
import logging
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||||
import os
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# external imports
|
||||
from chainlib.eth.nonce import RPCNonceOracle
|
||||
from chainlib.eth.tx import receipt
|
||||
|
||||
# local imports
|
||||
from erc20_demurrage_token import DemurrageToken
|
||||
from erc20_demurrage_token.demurrage import DemurrageCalculator
|
||||
|
||||
# test imports
|
||||
from erc20_demurrage_token.unittest.base import TestDemurrage
|
||||
|
||||
logging.basicConfig(level=logging.INFO)
|
||||
logg = logging.getLogger()
|
||||
|
||||
|
||||
class TestDemurragePeriods(TestDemurrage):
|
||||
|
||||
def setUp(self):
|
||||
super(TestDemurragePeriods, self).setUp()
|
||||
|
||||
nonce_oracle = RPCNonceOracle(self.accounts[0], self.rpc)
|
||||
c = DemurrageToken(self.chain_spec, signer=self.signer, nonce_oracle=nonce_oracle)
|
||||
|
||||
self.mode = os.environ.get('ERC20_DEMURRAGE_TOKEN_TEST_MODE')
|
||||
if self.mode == None:
|
||||
self.mode = 'MultiNocap'
|
||||
logg.debug('executing test setup default mode {}'.format(self.mode))
|
||||
|
||||
self.deployer.settings.demurrage_level = (2 / 1000) * (10 ** 32)
|
||||
self.deployer.settings.sink_address = self.accounts[9]
|
||||
self.deployer.sink_address = self.accounts[9]
|
||||
self.deploy(c, self.mode)
|
||||
|
||||
logg.info('deployed with mode {}'.format(self.mode))
|
||||
|
||||
|
||||
# verify that tax level calculation is in ppm as expected
|
||||
def test_ppm(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], self.default_supply)
|
||||
r = self.rpc.do(o)
|
||||
|
||||
self.backend.time_travel(self.start_time + 60)
|
||||
|
||||
(tx_hash, o) = c.apply_demurrage(self.address, self.accounts[0])
|
||||
self.rpc.do(o)
|
||||
o = receipt(tx_hash)
|
||||
r = self.rpc.do(o)
|
||||
self.assertEqual(r['status'], 1)
|
||||
|
||||
o = c.balance(self.address, self.accounts[1], sender_address=self.accounts[0])
|
||||
r = self.rpc.do(o)
|
||||
bob_bal = c.parse_balance(r)
|
||||
|
||||
o = c.balance(self.address, self.sink_address, sender_address=self.accounts[0])
|
||||
r = self.rpc.do(o)
|
||||
sink_bal = c.parse_balance(r)
|
||||
|
||||
o = c.total_supply(self.address, sender_address=self.accounts[0])
|
||||
r = self.rpc.do(o)
|
||||
new_supply = c.parse_total_supply(r)
|
||||
|
||||
balance_delta = self.default_supply * ((2 / 1000000) / 1000)
|
||||
self.assertEqual(bob_bal, self.default_supply - balance_delta)
|
||||
|
||||
|
||||
|
||||
# verify balances and supply after multiple demurrage periods
|
||||
def test_over_time(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], self.default_supply)
|
||||
r = self.rpc.do(o)
|
||||
|
||||
o = c.balance(self.address, self.accounts[1], sender_address=self.accounts[0])
|
||||
r = self.rpc.do(o)
|
||||
bob_bal = c.parse_balance(r)
|
||||
prev_bob_bal = bob_bal
|
||||
|
||||
nonce_oracle = RPCNonceOracle(self.sink_address, self.rpc)
|
||||
c = DemurrageToken(self.chain_spec, signer=self.signer, nonce_oracle=nonce_oracle)
|
||||
|
||||
iterations = 100
|
||||
|
||||
for i in range(1, iterations + 1):
|
||||
self.backend.time_travel(self.start_time + (self.period_seconds * i))
|
||||
|
||||
(tx_hash, o) = c.transfer(self.address, self.sink_address, self.accounts[1], prev_bob_bal - bob_bal)
|
||||
r = self.rpc.do(o)
|
||||
o = receipt(tx_hash)
|
||||
r = self.rpc.do(o)
|
||||
self.assertEqual(r['status'], 1)
|
||||
|
||||
(tx_hash, o) = c.apply_demurrage(self.address, self.sink_address)
|
||||
self.rpc.do(o)
|
||||
o = receipt(tx_hash)
|
||||
r = self.rpc.do(o)
|
||||
self.assertEqual(r['status'], 1)
|
||||
|
||||
o = c.balance(self.address, self.accounts[1], sender_address=self.accounts[0])
|
||||
r = self.rpc.do(o)
|
||||
bob_bal = c.parse_balance(r)
|
||||
|
||||
o = c.balance(self.address, self.sink_address, sender_address=self.accounts[0])
|
||||
r = self.rpc.do(o)
|
||||
sink_bal = c.parse_balance(r)
|
||||
|
||||
o = c.total_supply(self.address, sender_address=self.accounts[0])
|
||||
r = self.rpc.do(o)
|
||||
new_supply = c.parse_total_supply(r)
|
||||
|
||||
logg.info('round {} supply {} balance sink {} bob {}'.format(i, new_supply, sink_bal, bob_bal))
|
||||
|
||||
sum_supply = sink_bal + bob_bal
|
||||
|
||||
bob_delta = self.default_supply * ((2 / 1000000) / 100)
|
||||
|
||||
self.assert_within_lower(sum_supply, new_supply, 0.00001)
|
||||
self.assert_within_greater(bob_bal, self.default_supply - bob_delta, 0.001)
|
||||
self.assert_within_lower(sink_bal, bob_delta, 1000)
|
||||
|
||||
|
||||
if __name__ == '__main__':
|
||||
unittest.main()
|
||||
@@ -24,7 +24,7 @@ from erc20_demurrage_token import DemurrageToken
|
||||
# test imports
|
||||
from erc20_demurrage_token.unittest.base import TestDemurrageDefault
|
||||
|
||||
logging.basicConfig(level=logging.DEBUG)
|
||||
logging.basicConfig(level=logging.INFO)
|
||||
logg = logging.getLogger()
|
||||
|
||||
testdir = os.path.dirname(__file__)
|
||||
@@ -88,18 +88,31 @@ class TestRedistribution(TestDemurrageDefault):
|
||||
(tx_hash, o) = c.mint_to(self.address, self.accounts[0], self.accounts[0], supply)
|
||||
self.rpc.do(o)
|
||||
|
||||
self.backend.time_travel(self.start_time + (self.period_seconds * 10))
|
||||
self.backend.time_travel(self.start_time + (self.period_seconds * 100))
|
||||
|
||||
for i in range(1, 11):
|
||||
logg.debug('checking period {}'.format(i))
|
||||
balance_minter = None
|
||||
balance_sink = None
|
||||
real_supply = None
|
||||
|
||||
for i in range(1, 101):
|
||||
(tx_hash, o) = c.change_period(self.address, self.accounts[0])
|
||||
self.rpc.do(o)
|
||||
o = receipt(tx_hash)
|
||||
r = self.rpc.do(o)
|
||||
self.assertEqual(r['status'], 1)
|
||||
|
||||
i = 10
|
||||
o = c.balance_of(self.address, self.sink_address, sender_address=self.accounts[0])
|
||||
r = self.rpc.do(o)
|
||||
balance_sink = c.parse_balance(r)
|
||||
|
||||
o = c.balance_of(self.address, self.accounts[0], sender_address=self.accounts[0])
|
||||
r = self.rpc.do(o)
|
||||
balance_minter = c.parse_balance(r)
|
||||
|
||||
real_supply = balance_sink + balance_minter
|
||||
logg.info('period {} testing sink {} mint {} adds up to supply {} of original {} (delta {})'.format(i, balance_sink, balance_minter, real_supply, supply, supply - real_supply))
|
||||
|
||||
i = 100
|
||||
o = c.redistributions(self.address, i, sender_address=self.accounts[0])
|
||||
redistribution = self.rpc.do(o)
|
||||
|
||||
@@ -122,7 +135,7 @@ class TestRedistribution(TestDemurrageDefault):
|
||||
r = self.rpc.do(o)
|
||||
balance_minter = c.parse_balance(r)
|
||||
|
||||
logg.debug('testing sink {} mint {} adds up to supply {} with demurrage between {} and {}'.format(balance_sink, balance_minter, supply, demurrage_previous, demurrage))
|
||||
logg.debug('testing sink {} mint {} adds up to supply {} with demurrage between {} and {}'.format(balance_sink, balance_minter, real_supply, demurrage_previous, demurrage))
|
||||
|
||||
self.assert_within_lower(balance_minter + balance_sink, supply, 0.001)
|
||||
|
||||
|
||||
Reference in New Issue
Block a user