erc20-demurrage-token/python/tests/base.py

79 lines
2.0 KiB
Python

# standard imports
import logging
# external imports
from chainlib.eth.unittest.ethtester import EthTesterCase
from chainlib.eth.tx import (
receipt,
)
from chainlib.eth.block import (
block_latest,
block_by_number,
)
from chainlib.eth.nonce import RPCNonceOracle
# local imports
from erc20_demurrage_token import (
DemurrageTokenSettings,
DemurrageToken,
)
logg = logging.getLogger()
#BLOCKTIME = 5 # seconds
TAX_LEVEL = int(10000 * 2) # 2%
# calc "1-(0.98)^(1/518400)" <- 518400 = 30 days of blocks
# 0.00000003897127107225
#PERIOD = int(60/BLOCKTIME) * 60 * 24 * 30 # month
PERIOD = 1
class TestDemurrage(EthTesterCase):
def setUp(self):
super(TestDemurrage, self).setUp()
nonce_oracle = RPCNonceOracle(self.accounts[0], self.rpc)
self.settings = DemurrageTokenSettings()
self.settings.name = 'Foo Token'
self.settings.symbol = 'FOO'
self.settings.decimals = 6
self.settings.demurrage_level = TAX_LEVEL * (10 ** 32)
self.settings.period_minutes = PERIOD
self.settings.sink_address = self.accounts[1]
o = block_latest()
self.start_block = self.rpc.do(o)
o = block_by_number(self.start_block, include_tx=False)
r = self.rpc.do(o)
logg.debug('r {}'.format(r))
try:
self.start_time = int(r['timestamp'], 16)
except TypeError:
self.start_time = int(r['timestamp'])
def tearDown(self):
pass
class TestDemurrageDefault(TestDemurrage):
def setUp(self):
super(TestDemurrageDefault, self).setUp()
nonce_oracle = RPCNonceOracle(self.accounts[0], self.rpc)
c = DemurrageToken(self.chain_spec, signer=self.signer, nonce_oracle=nonce_oracle)
(tx_hash, o) = c.constructor(self.accounts[0], self.settings)
r = self.rpc.do(o)
o = receipt(tx_hash)
r = self.rpc.do(o)
self.assertEqual(r['status'], 1)
self.address = r['contract_address']