273 lines
11 KiB
Python
273 lines
11 KiB
Python
# 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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# 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 block_latest
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from chainlib.eth.address import to_checksum_address
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from hexathon import (
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strip_0x,
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add_0x,
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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 tests.base import TestDemurrageDefault
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logging.basicConfig(level=logging.DEBUG)
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logg = logging.getLogger()
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testdir = os.path.dirname(__file__)
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#BLOCKTIME = 5 # seconds
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TAX_LEVEL = 10000 * 2 # 2%
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#PERIOD = int(60/BLOCKTIME) * 60 * 24 * 30 # month
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PERIOD = 1
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class TestRedistribution(TestDemurrageDefault):
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def test_debug_periods(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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o = c.actual_period(self.address, sender_address=self.accounts[0])
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r = self.rpc.do(o)
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pactual = c.parse_actual_period(r)
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o = c.period_start(self.address, sender_address=self.accounts[0])
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r = self.rpc.do(o)
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pstart = c.parse_actual_period(r)
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o = c.period_duration(self.address, sender_address=self.accounts[0])
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r = self.rpc.do(o)
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pduration = c.parse_actual_period(r)
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o = block_latest()
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blocknumber = self.rpc.do(o)
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logg.debug('actual {} start {} duration {} blocknumber {}'.format(pactual, pstart, pduration, blocknumber))
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# TODO: check receipt log outputs
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def test_redistribution_storage(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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o = c.redistributions(self.address, 0, sender_address=self.accounts[0])
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r = self.rpc.do(o)
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self.assertEqual(strip_0x(r), '000000000000000000000000f424000000000000000000000000000000000001')
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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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(tx_hash, o) = c.mint_to(self.address, self.accounts[0], self.accounts[2], 1000000)
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r = self.rpc.do(o)
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external_address = to_checksum_address('0x' + os.urandom(20).hex())
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nonce_oracle = RPCNonceOracle(self.accounts[2], 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.accounts[2], external_address, 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.transfer(self.address, self.accounts[1], external_address, 999999)
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r = self.rpc.do(o)
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self.backend.time_travel(self.start_time + 61)
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o = c.redistributions(self.address, 0, sender_address=self.accounts[0])
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r = self.rpc.do(o)
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self.assertEqual(strip_0x(r), '000000000000000000000000f42400000000010000000000001e848000000001')
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o = c.redistributions(self.address, 0, sender_address=self.accounts[0])
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r = self.rpc.do(o)
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self.assertEqual(strip_0x(r), '000000000000000000000000f42400000000010000000000001e848000000001')
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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], 1000000)
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r = self.rpc.do(o)
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o = c.redistributions(self.address, 1, sender_address=self.accounts[0])
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r = self.rpc.do(o)
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self.assertEqual(strip_0x(r), '000000000000000000000000ef4200000000000000000000002dc6c000000002')
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def test_redistribution_balance_on_zero_participants(self):
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supply = 1000000000000
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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], supply)
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r = self.rpc.do(o)
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self.backend.time_travel(self.start_time + 61)
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(tx_hash, o) = c.apply_demurrage(self.address, self.accounts[0])
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self.rpc.do(o)
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o = receipt(tx_hash)
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rcpt = self.rpc.do(o)
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self.assertEqual(rcpt['status'], 1)
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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 = 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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total_supply = c.parse_total_supply(r)
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sink_increment = int(total_supply * (TAX_LEVEL / 1000000))
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self.assertEqual(supply, total_supply)
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for l in rcpt['logs']:
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if l['topics'][0] == '0xa0717e54e02bd9829db5e6e998aec0ae9de796b8d150a3cc46a92ab869697755': # event Decayed(uint256,uint256,uint256,uint256)
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period = int.from_bytes(bytes.fromhex(strip_0x(l['topics'][1])), 'big')
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self.assertEqual(period, 2)
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b = bytes.fromhex(strip_0x(l['data']))
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remainder = int.from_bytes(b, 'big')
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self.assertEqual(remainder, int((1000000 - TAX_LEVEL) * (10 ** 32)))
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o = c.balance_of(self.address, self.sink_address, sender_address=self.accounts[0])
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r = self.rpc.do(o)
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sink_balance = c.parse_balance_of(r)
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self.assertEqual(sink_balance, int(sink_increment * 0.98))
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self.assertEqual(sink_balance, int(sink_increment * (1000000 - TAX_LEVEL) / 1000000))
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o = c.balance_of(self.address, self.accounts[1], sender_address=self.accounts[0])
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r = self.rpc.do(o)
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balance = c.parse_balance_of(r)
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self.assertEqual(balance, supply - sink_increment)
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def test_redistribution_two_of_ten(self):
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mint_amount = 100000000
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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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z = 0
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for i in range(10):
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(tx_hash, o) = c.mint_to(self.address, self.accounts[0], self.accounts[i], mint_amount)
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self.rpc.do(o)
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z += mint_amount
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o = c.balance_of(self.address, self.accounts[1], sender_address=self.accounts[0])
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r = self.rpc.do(o)
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initial_balance = c.parse_balance_of(r)
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spend_amount = 1000000
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external_address = to_checksum_address('0x' + os.urandom(20).hex())
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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.transfer(self.address, self.accounts[1], external_address, spend_amount)
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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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nonce_oracle = RPCNonceOracle(self.accounts[2], 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.accounts[2], external_address, spend_amount)
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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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# No cheating!
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nonce_oracle = RPCNonceOracle(self.accounts[3], 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.accounts[3], self.accounts[3], spend_amount)
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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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# No cheapskating!
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nonce_oracle = RPCNonceOracle(self.accounts[4], 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.accounts[4], external_address, spend_amount-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'], 1)
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self.backend.time_travel(self.start_time + 61)
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(tx_hash, o) = c.apply_demurrage(self.address, self.accounts[4])
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self.rpc.do(o)
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(tx_hash, o) = c.change_period(self.address, self.accounts[4])
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self.rpc.do(o)
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o = c.balance_of(self.address, self.accounts[3], sender_address=self.accounts[0])
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r = self.rpc.do(o)
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bummer_balance = c.parse_balance_of(r)
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self.assertEqual(bummer_balance, mint_amount - (mint_amount * (TAX_LEVEL / 1000000)))
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logg.debug('bal {} '.format(bummer_balance))
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o = c.balance_of(self.address, self.accounts[1], sender_address=self.accounts[0])
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r = self.rpc.do(o)
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bummer_balance = c.parse_balance_of(r)
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spender_balance = mint_amount - spend_amount
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spender_decayed_balance = int(spender_balance - (spender_balance * (TAX_LEVEL / 1000000)))
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self.assertEqual(bummer_balance, spender_decayed_balance)
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logg.debug('bal {} '.format(bummer_balance))
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(tx_hash, o) = c.apply_redistribution_on_account(self.address, self.accounts[4], self.accounts[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'], 1)
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# logg.debug('log {}'.format(r.logs))
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(tx_hash, o) = c.apply_redistribution_on_account(self.address, self.accounts[4], self.accounts[2])
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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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o = c.redistributions(self.address, 0, sender_address=self.accounts[0])
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r = self.rpc.do(o)
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redistribution_data = c.parse_redistributions(r)
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logg.debug('redist data {}'.format(redistribution_data))
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o = c.account_period(self.address, self.accounts[1], sender_address=self.accounts[0])
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r = self.rpc.do(o)
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account_period_data = c.parse_account_period(r)
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logg.debug('account period {}'.format(account_period_data))
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o = c.actual_period(self.address, sender_address=self.accounts[0])
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r = self.rpc.do(o)
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actual_period = c.parse_actual_period(r)
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logg.debug('period {}'.format(actual_period))
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redistribution = int((z / 2) * (TAX_LEVEL / 1000000))
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spender_new_base_balance = ((mint_amount - spend_amount) + redistribution)
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spender_new_decayed_balance = int(spender_new_base_balance - (spender_new_base_balance * (TAX_LEVEL / 1000000)))
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o = c.balance_of(self.address, self.accounts[1], sender_address=self.accounts[0])
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r = self.rpc.do(o)
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spender_actual_balance = c.parse_balance_of(r)
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logg.debug('rrr {} {}'.format(redistribution, spender_new_decayed_balance))
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self.assertEqual(spender_actual_balance, spender_new_decayed_balance)
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if __name__ == '__main__':
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unittest.main()
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