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Add test for redistribution after burn

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lash
2022-12-05 18:17:58 +00:00
parent 99a9915d11
commit 90fb95208f
10 changed files with 212 additions and 15 deletions
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python/tests/test_burn.py Normal file
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# 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 TestBurn(TestDemurrageDefault):
def test_burn_basic(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], 1000000)
r = 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.burn(self.address, self.accounts[1], 500000)
r = 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])
r = 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.burn(self.address, self.accounts[1], 500000)
r = self.rpc.do(o)
o = receipt(tx_hash)
r = self.rpc.do(o)
self.assertEqual(r['status'], 1)
o = c.total_supply(self.address, sender_address=self.accounts[0])
r = self.rpc.do(o)
new_supply = c.parse_total_supply(r)
self.assertEqual(new_supply, 500000)
def test_burned_redistribution(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[0], 1000000000)
r = self.rpc.do(o)
(tx_hash, o) = c.burn(self.address, self.accounts[0], 500000000)
r = self.rpc.do(o)
(tx_hash, o) = c.transfer(self.address, self.accounts[0], self.sink_address, 500000000)
r = self.rpc.do(o)
self.backend.time_travel(self.start_time + self.period_seconds)
o = c.balance(self.address, self.sink_address, sender_address=self.accounts[0])
r = self.rpc.do(o)
bal = c.parse_balance(r)
self.assertEqual(bal, 416873881) # 9 periods demurrage
(tx_hash, o) = c.change_period(self.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.total_supply(self.address, sender_address=self.accounts[0])
r = self.rpc.do(o)
new_supply = c.parse_total_supply(r)
self.assertEqual(new_supply, 500000000)
o = c.balance(self.address, self.sink_address, sender_address=self.accounts[0])
r = self.rpc.do(o)
bal = c.parse_balance(r)
self.assert_within_lower(bal, 500000000, 0.0025)
self.backend.time_travel(self.start_time + (self.period_seconds * 2))
(tx_hash, o) = c.change_period(self.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.total_supply(self.address, sender_address=self.accounts[0])
r = self.rpc.do(o)
new_supply = c.parse_total_supply(r)
self.assertEqual(new_supply, 500000000)
# if we don't burn anything more it should be the same
o = c.balance(self.address, self.sink_address, sender_address=self.accounts[0])
r = self.rpc.do(o)
bal = c.parse_balance(r)
self.assert_within_lower(bal, 500000000, 0.0025)
# def test_burned_other_redistribution(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[0], 1024)
# r = self.rpc.do(o)
#
# (tx_hash, o) = c.burn(self.address, self.accounts[0], 500)
# r = self.rpc.do(o)
#
# (tx_hash, o) = c.transfer(self.address, self.accounts[0], self.accounts[1], 524)
# r = self.rpc.do(o)
#
# self.backend.time_travel(self.start_time + self.period_seconds)
#
# (tx_hash, o) = c.change_period(self.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.total_supply(self.address, sender_address=self.accounts[0])
# r = self.rpc.do(o)
# new_supply = c.parse_total_supply(r)
# self.assertEqual(new_supply, 524)
#
# o = c.balance(self.address, self.accounts[1], sender_address=self.accounts[0])
# r = self.rpc.do(o)
# bal = c.parse_balance(r)
# self.assertEqual(bal, 524)
#
# o = c.balance(self.address, self.sink_address, sender_address=self.accounts[0])
# r = self.rpc.do(o)
# bal = c.parse_balance(r)
# self.assertEqual(bal, 524)
if __name__ == '__main__':
unittest.main()