cicnet/erc20-demurrage-token
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lash/simple-contract
erc20-demurrage-token/python/tests/test_redistribution_single.py

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Python
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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
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logging.basicConfig(level=logging.INFO)
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logg = logging.getLogger()
testdir = os.path.dirname(__file__)
class TestRedistribution(TestDemurrageDefault):
def test_redistribution_periods(self):
nonce_oracle = RPCNonceOracle(self.accounts[0], self.rpc)
c = DemurrageToken(self.chain_spec, signer=self.signer, nonce_oracle=nonce_oracle)
demurrage = (1 - (self.tax_level / 1000000)) * (10**28)
supply = self.default_supply
(tx_hash, o) = c.mint_to(self.address, self.accounts[0], self.accounts[0], supply)
self.rpc.do(o)
for i in range(1, 10):
logg.debug('execute time travel to period {}'.format(i))
self.backend.time_travel(self.start_time + (self.period_seconds * i))
(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.redistributions(self.address, i, sender_address=self.accounts[0])
redistribution = self.rpc.do(o)
o = c.to_redistribution_demurrage_modifier(self.address, redistribution, sender_address=self.accounts[0])
r = self.rpc.do(o)
demurrage = c.parse_to_redistribution_item(r)
o = c.redistributions(self.address, i-1, sender_address=self.accounts[0])
redistribution = self.rpc.do(o)
o = c.to_redistribution_demurrage_modifier(self.address, redistribution, sender_address=self.accounts[0])
r = self.rpc.do(o)
demurrage_previous = c.parse_to_redistribution_item(r)
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)
logg.debug('testing sink {} mint {} adds up to supply {} with demurrage between {} and {}'.format(balance_sink, balance_minter, supply, demurrage_previous, demurrage))
self.assert_within_lower(balance_minter + balance_sink, supply, 0.001)
def test_redistribution_catchup_periods(self):
nonce_oracle = RPCNonceOracle(self.accounts[0], self.rpc)
c = DemurrageToken(self.chain_spec, signer=self.signer, nonce_oracle=nonce_oracle)
demurrage = (1 - (self.tax_level / 1000000)) * (10**28)
supply = self.default_supply
(tx_hash, o) = c.mint_to(self.address, self.accounts[0], self.accounts[0], supply)
self.rpc.do(o)
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self.backend.time_travel(self.start_time + (self.period_seconds * 100))
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balance_minter = None
balance_sink = None
real_supply = None
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for i in range(1, 101):
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(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)
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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
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o = c.redistributions(self.address, i, sender_address=self.accounts[0])
redistribution = self.rpc.do(o)
o = c.to_redistribution_demurrage_modifier(self.address, redistribution, sender_address=self.accounts[0])
r = self.rpc.do(o)
demurrage = c.parse_to_redistribution_item(r)
o = c.redistributions(self.address, i-1, sender_address=self.accounts[0])
redistribution = self.rpc.do(o)
o = c.to_redistribution_demurrage_modifier(self.address, redistribution, sender_address=self.accounts[0])
r = self.rpc.do(o)
demurrage_previous = c.parse_to_redistribution_item(r)
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)
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logg.debug('testing sink {} mint {} adds up to supply {} with demurrage between {} and {}'.format(balance_sink, balance_minter, real_supply, demurrage_previous, demurrage))
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self.assert_within_lower(balance_minter + balance_sink, supply, 0.001)
# def test_redistribution_boundaries(self):
# nonce_oracle = RPCNonceOracle(self.accounts[0], self.rpc)
# c = DemurrageToken(self.chain_spec, signer=self.signer, nonce_oracle=nonce_oracle)
#
# demurrage = (1 - (self.tax_level / 1000000)) * (10**28)
# supply = self.default_supply
#
# (tx_hash, o) = c.mint_to(self.address, self.accounts[0], self.accounts[0], supply)
# self.rpc.do(o)
#
# o = c.balance_of(self.address, self.sink_address, sender_address=self.accounts[0])
# r = self.rpc.do(o)
# balance = c.parse_balance(r)
# logg.debug('balance before {} supply {}'.format(balance, supply))
#
# 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.redistributions(self.address, 1, sender_address=self.accounts[0])
# r = self.rpc.do(o)
# oo = c.to_redistribution_supply(self.address, r, sender_address=self.accounts[0])
# rr = self.rpc.do(oo)
# oo = c.to_redistribution_demurrage_modifier(self.address, r, sender_address=self.accounts[0])
# rr = self.rpc.do(oo)
#
# o = c.balance_of(self.address, self.sink_address, sender_address=self.accounts[0])
# r = self.rpc.do(o)
# balance = c.parse_balance(r)
#
# self.backend.time_travel(self.start_time + self.period_seconds * 2 + 1)
# (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.redistributions(self.address, 2, sender_address=self.accounts[0])
# r = self.rpc.do(o)
# oo = c.to_redistribution_supply(self.address, r, sender_address=self.accounts[0])
# rr = self.rpc.do(oo)
# oo = c.to_redistribution_demurrage_modifier(self.address, r, sender_address=self.accounts[0])
# rr = self.rpc.do(oo)
#
# o = c.balance_of(self.address, self.sink_address, sender_address=self.accounts[0])
# r = self.rpc.do(o)
# balance = c.parse_balance(r)
if __name__ == '__main__':
unittest.main()
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