mirror of
git://holbrook.no/erc20-demurrage-token
synced 2024-12-22 11:57:32 +01:00
196 lines
7.1 KiB
Python
196 lines
7.1 KiB
Python
# 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], 600000)
|
|
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], 600000)
|
|
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, 400000)
|
|
|
|
o = c.total_burned(self.address, sender_address=self.accounts[0])
|
|
r = self.rpc.do(o)
|
|
burned = c.parse_total_burned(r)
|
|
self.assertEqual(burned, 600000)
|
|
|
|
|
|
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], 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.accounts[1], 500000000)
|
|
r = self.rpc.do(o)
|
|
|
|
self.backend.time_travel(self.start_time + self.period_seconds)
|
|
|
|
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, 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.accounts[1], sender_address=self.accounts[0])
|
|
r = self.rpc.do(o)
|
|
bal = c.parse_balance(r)
|
|
self.assertEqual(bal, 408536403) # 9 periods demurrage
|
|
|
|
o = c.balance(self.address, self.sink_address, sender_address=self.accounts[0])
|
|
r = self.rpc.do(o)
|
|
sink_bal = c.parse_balance(r)
|
|
self.assert_within_lower(sink_bal, 500000000 - 408536403, 0.09) # TODO is this ok variance, 1.0 is ppm?
|
|
|
|
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)
|
|
|
|
o = c.balance(self.address, self.accounts[1], sender_address=self.accounts[0])
|
|
r = self.rpc.do(o)
|
|
next_bal = c.parse_balance(r)
|
|
self.assertEqual(next_bal, 333803985) # 9 periods demurrage
|
|
|
|
o = c.balance(self.address, self.sink_address, sender_address=self.accounts[0])
|
|
r = self.rpc.do(o)
|
|
prev_sink_bal = sink_bal
|
|
bal = prev_sink_bal + (bal - next_bal)
|
|
sink_bal = c.parse_balance(r)
|
|
self.assert_within_lower(sink_bal, bal, 0.09) # TODO is this ok variance, 1.0 is ppm?
|
|
|
|
|
|
if __name__ == '__main__':
|
|
unittest.main()
|