cicnet/erc20-demurrage-token
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erc20-demurrage-token/python/tests/test_redistribution.py

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# standard imports
import os
import unittest
import json
import logging
# 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,
)
from chainlib.eth.address import to_checksum_address
from hexathon import (
strip_0x,
add_0x,
)
# 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 TestRedistribution(TestDemurrageDefault):
def test_whole_is_parts(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], 100000000)
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[0], self.accounts[2], 100000000)
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.transfer(self.address, self.accounts[1], self.accounts[3], 50000000)
r = self.rpc.do(o)
o = receipt(tx_hash)
r = self.rpc.do(o)
self.assertEqual(r['status'], 1)
self.backend.time_travel(self.start_time + self.period_seconds + 1)
o = block_latest()
r = self.rpc.do(o)
o = block_by_number(r)
r = self.rpc.do(o)
self.assertEqual(r['timestamp'], self.start_time + self.period_seconds)
(tx_hash, o) = c.change_period(self.address, self.accounts[1])
r = self.rpc.do(o)
o = receipt(tx_hash)
r = self.rpc.do(o)
self.assertEqual(r['status'], 1)
(tx_hash, o) = c.apply_redistribution_on_account(self.address, self.accounts[1], self.accounts[1])
r = self.rpc.do(o)
o = receipt(tx_hash)
r = self.rpc.do(o)
self.assertEqual(r['status'], 1)
balance = 0
for i in range(3):
o = c.balance_of(self.address, self.accounts[i+1], sender_address=self.accounts[0])
r = self.rpc.do(o)
balance_item = c.parse_balance_of(r)
balance += balance_item
logg.debug('balance {} {} total {}'.format(i, balance_item, balance))
o = c.balance_of(self.address, self.sink_address, sender_address=self.accounts[0])
r = self.rpc.do(o)
balance_item = c.parse_balance_of(r)
balance += balance_item
self.assertEqual(balance, 200000000)
# def test_debug_periods(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)
# pactual = c.parse_actual_period(r)
#
# o = c.period_start(self.address, sender_address=self.accounts[0])
# r = self.rpc.do(o)
# pstart = c.parse_actual_period(r)
#
# o = c.period_duration(self.address, sender_address=self.accounts[0])
# r = self.rpc.do(o)
# pduration = c.parse_actual_period(r)
#
# o = block_latest()
# blocknumber = self.rpc.do(o)
#
# logg.debug('actual {} start {} duration {} blocknumber {}'.format(pactual, pstart, pduration, blocknumber))
#
#
# # TODO: check receipt log outputs
# def test_redistribution_storage(self):
# nonce_oracle = RPCNonceOracle(self.accounts[0], self.rpc)
# c = DemurrageToken(self.chain_spec, signer=self.signer, nonce_oracle=nonce_oracle)
# o = c.redistributions(self.address, 0, sender_address=self.accounts[0])
# r = self.rpc.do(o)
# self.assertEqual(strip_0x(r), '000000000000000000000000f424000000000000000000000000000000000001')
#
# (tx_hash, o) = c.mint_to(self.address, self.accounts[0], self.accounts[1], 1000000)
# r = self.rpc.do(o)
#
# (tx_hash, o) = c.mint_to(self.address, self.accounts[0], self.accounts[2], 1000000)
# r = self.rpc.do(o)
#
# external_address = to_checksum_address('0x' + os.urandom(20).hex())
#
# 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], external_address, 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.transfer(self.address, self.accounts[1], external_address, 999999)
# r = self.rpc.do(o)
#
# self.backend.time_travel(self.start_time + self.period_seconds + 1)
#
# o = c.redistributions(self.address, 0, sender_address=self.accounts[0])
# r = self.rpc.do(o)
# self.assertEqual(strip_0x(r), '000000000000000000000000f42400000000010000000000001e848000000001')
#
# o = c.redistributions(self.address, 0, sender_address=self.accounts[0])
# r = self.rpc.do(o)
# self.assertEqual(strip_0x(r), '000000000000000000000000f42400000000010000000000001e848000000001')
#
#
# 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], 1000000)
# r = self.rpc.do(o)
#
# o = c.redistributions(self.address, 1, sender_address=self.accounts[0])
# r = self.rpc.do(o)
# self.assertEqual(strip_0x(r), '000000000000000000000000ef4200000000000000000000002dc6c000000002')
#
#
# def test_redistribution_balance_on_zero_participants(self):
# supply = self.default_supply
#
# 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], supply)
# r = self.rpc.do(o)
#
# self.backend.time_travel(self.start_time + self.period_seconds + 1)
# (tx_hash, o) = c.apply_demurrage(self.address, self.accounts[0])
# self.rpc.do(o)
# o = receipt(tx_hash)
# rcpt = self.rpc.do(o)
# self.assertEqual(rcpt['status'], 1)
#
# (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)
#
# o = c.total_supply(self.address, sender_address=self.accounts[0])
# r = self.rpc.do(o)
# total_supply = c.parse_total_supply(r)
# sink_increment = int(total_supply * (self.tax_level / 1000000))
# self.assertEqual(supply, total_supply)
#
# for l in rcpt['logs']:
# if l['topics'][0] == '0xa0717e54e02bd9829db5e6e998aec0ae9de796b8d150a3cc46a92ab869697755': # event Decayed(uint256,uint256,uint256,uint256)
# period = int.from_bytes(bytes.fromhex(strip_0x(l['topics'][1])), 'big')
# self.assertEqual(period, 2)
# b = bytes.fromhex(strip_0x(l['data']))
# remainder = int.from_bytes(b, 'big')
# self.assertEqual(remainder, int((1000000 - self.tax_level) * (10 ** 32)))
#
# o = c.balance_of(self.address, self.sink_address, sender_address=self.accounts[0])
# r = self.rpc.do(o)
# sink_balance = c.parse_balance_of(r)
#
# self.assertEqual(sink_balance, int(sink_increment * 0.98))
# self.assertEqual(sink_balance, int(sink_increment * (1000000 - self.tax_level) / 1000000))
#
# 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, supply - sink_increment)
#
#
# def test_redistribution_two_of_ten(self):
# mint_amount = 100000000
# nonce_oracle = RPCNonceOracle(self.accounts[0], self.rpc)
# c = DemurrageToken(self.chain_spec, signer=self.signer, nonce_oracle=nonce_oracle)
# z = 0
# for i in range(10):
# (tx_hash, o) = c.mint_to(self.address, self.accounts[0], self.accounts[i], mint_amount)
# self.rpc.do(o)
# z += mint_amount
#
# o = c.balance_of(self.address, self.accounts[1], sender_address=self.accounts[0])
# r = self.rpc.do(o)
# initial_balance = c.parse_balance_of(r)
#
# spend_amount = 1000000
# external_address = to_checksum_address('0x' + os.urandom(20).hex())
#
# 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], external_address, spend_amount)
# self.rpc.do(o)
# o = receipt(tx_hash)
# r = self.rpc.do(o)
# self.assertEqual(r['status'], 1)
#
# 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], external_address, spend_amount)
# self.rpc.do(o)
# o = receipt(tx_hash)
# r = self.rpc.do(o)
# self.assertEqual(r['status'], 1)
#
# # No cheating!
# nonce_oracle = RPCNonceOracle(self.accounts[3], self.rpc)
# c = DemurrageToken(self.chain_spec, signer=self.signer, nonce_oracle=nonce_oracle)
# (tx_hash, o) = c.transfer(self.address, self.accounts[3], self.accounts[3], spend_amount)
# self.rpc.do(o)
# o = receipt(tx_hash)
# r = self.rpc.do(o)
# self.assertEqual(r['status'], 1)
#
# # No cheapskating!
# nonce_oracle = RPCNonceOracle(self.accounts[4], self.rpc)
# c = DemurrageToken(self.chain_spec, signer=self.signer, nonce_oracle=nonce_oracle)
# (tx_hash, o) = c.transfer(self.address, self.accounts[4], external_address, spend_amount-1)
# self.rpc.do(o)
# o = receipt(tx_hash)
# r = self.rpc.do(o)
# self.assertEqual(r['status'], 1)
#
#
# self.backend.time_travel(self.start_time + self.period_seconds + 1)
#
# (tx_hash, o) = c.apply_demurrage(self.address, self.accounts[4])
# self.rpc.do(o)
#
# (tx_hash, o) = c.change_period(self.address, self.accounts[4])
# self.rpc.do(o)
#
# o = c.balance_of(self.address, self.accounts[3], sender_address=self.accounts[0])
# r = self.rpc.do(o)
# bummer_balance = c.parse_balance_of(r)
#
# self.assertEqual(bummer_balance, mint_amount - (mint_amount * (self.tax_level / 1000000)))
# logg.debug('bal {} '.format(bummer_balance))
#
# o = c.balance_of(self.address, self.accounts[1], sender_address=self.accounts[0])
# r = self.rpc.do(o)
# bummer_balance = c.parse_balance_of(r)
# spender_balance = mint_amount - spend_amount
# spender_decayed_balance = int(spender_balance - (spender_balance * (self.tax_level / 1000000)))
# self.assertEqual(bummer_balance, spender_decayed_balance)
# logg.debug('bal {} '.format(bummer_balance))
#
# (tx_hash, o) = c.apply_redistribution_on_account(self.address, self.accounts[4], 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.apply_redistribution_on_account(self.address, self.accounts[4], self.accounts[2])
# self.rpc.do(o)
# o = receipt(tx_hash)
# r = self.rpc.do(o)
# self.assertEqual(r['status'], 1)
#
# o = c.redistributions(self.address, 0, sender_address=self.accounts[0])
# r = self.rpc.do(o)
# redistribution_data = c.parse_redistributions(r)
# logg.debug('redist data {}'.format(redistribution_data))
#
# o = c.account_period(self.address, self.accounts[1], sender_address=self.accounts[0])
# r = self.rpc.do(o)
# account_period_data = c.parse_account_period(r)
# logg.debug('account period {}'.format(account_period_data))
#
# o = c.actual_period(self.address, sender_address=self.accounts[0])
# r = self.rpc.do(o)
# actual_period = c.parse_actual_period(r)
# logg.debug('period {}'.format(actual_period))
#
# redistribution = int((z / 2) * (self.tax_level / 1000000))
# spender_new_base_balance = ((mint_amount - spend_amount) + redistribution)
# spender_new_decayed_balance = int(spender_new_base_balance - (spender_new_base_balance * (self.tax_level / 1000000)))
#
# o = c.balance_of(self.address, self.accounts[1], sender_address=self.accounts[0])
# r = self.rpc.do(o)
# spender_actual_balance = c.parse_balance_of(r)
# logg.debug('rrr {} {}'.format(redistribution, spender_new_decayed_balance))
#
# self.assertEqual(spender_actual_balance, spender_new_decayed_balance)
#
if __name__ == '__main__':
unittest.main()
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