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

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# standard imports
import logging
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import os
# 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()
self.tax_level = TAX_LEVEL
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self.period_seconds = PERIOD * 60
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[9]
self.sink_address = self.settings.sink_address
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)
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try:
self.start_time = int(r['timestamp'], 16)
except TypeError:
self.start_time = int(r['timestamp'])
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self.default_supply = 1000000000000
self.default_supply_cap = int(self.default_supply * 10)
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def deploy(self, interface, mode):
tx_hash = None
o = None
if mode == 'MultiNocap':
(tx_hash, o) = interface.constructor(self.accounts[0], self.settings, redistribute=True, cap=0)
elif mode == 'SingleNocap':
(tx_hash, o) = interface.constructor(self.accounts[0], self.settings, redistribute=False, cap=0)
elif mode == 'MultiCap':
(tx_hash, o) = interface.constructor(self.accounts[0], self.settings, redistribute=True, cap=self.default_supply_cap)
elif mode == 'SingleCap':
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(tx_hash, o) = interface.constructor(self.accounts[0], self.settings, redistribute=False, cap=self.default_supply_cap)
else:
raise ValueError('Invalid mode "{}", valid are {}'.format(self.mode, DemurrageToken.valid_modes))
r = self.rpc.do(o)
o = receipt(tx_hash)
r = self.rpc.do(o)
self.assertEqual(r['status'], 1)
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self.start_block = r['block_number']
self.address = r['contract_address']
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o = block_by_number(r['block_number'])
r = self.rpc.do(o)
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self.start_time = r['timestamp']
logg.debug('contract address {} start block {} start time {}'.format(self.address, self.start_block, self.start_time))
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def tearDown(self):
pass
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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)
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self.mode = os.environ.get('ERC20_DEMURRAGE_TOKEN_TEST_MODE')
if self.mode == None:
self.mode = 'MultiNocap'
logg.debug('executing test setup default mode {}'.format(self.mode))
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self.deploy(c, self.mode)
logg.info('deployed with mode {}'.format(self.mode))
class TestDemurrageSingle(TestDemurrage):
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def setUp(self):
super(TestDemurrageSingle, self).setUp()
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nonce_oracle = RPCNonceOracle(self.accounts[0], self.rpc)
c = DemurrageToken(self.chain_spec, signer=self.signer, nonce_oracle=nonce_oracle)
self.mode = os.environ.get('ERC20_DEMURRAGE_TOKEN_TEST_MODE')
single_valid_modes = [
'SingleNocap',
'SingleCap',
]
if self.mode != None:
if self.mode not in single_valid_modes:
raise ValueError('Invalid mode "{}" for "single" contract tests, valid are {}'.format(self.mode, single_valid_modes))
else:
self.mode = 'SingleNocap'
logg.debug('executing test setup demurragesingle mode {}'.format(self.mode))
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self.deploy(c, self.mode)
logg.info('deployed with mode {}'.format(self.mode))
class TestDemurrageCap(TestDemurrage):
def setUp(self):
super(TestDemurrageCap, self).setUp()
nonce_oracle = RPCNonceOracle(self.accounts[0], self.rpc)
c = DemurrageToken(self.chain_spec, signer=self.signer, nonce_oracle=nonce_oracle)
self.mode = os.environ.get('ERC20_DEMURRAGE_TOKEN_TEST_MODE')
cap_valid_modes = [
'MultiCap',
'SingleCap',
]
if self.mode != None:
if self.mode not in cap_valid_modes:
raise ValueError('Invalid mode "{}" for "cap" contract tests, valid are {}'.format(self.mode, cap_valid_modes))
else:
self.mode = 'MultiCap'
logg.debug('executing test setup demurragecap mode {}'.format(self.mode))
self.deploy(c, self.mode)
logg.info('deployed with mode {}'.format(self.mode))
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class TestDemurrageReal(TestDemurrage):
def setUp(self):
super(TestDemurrage, self).setUp()
self.tax_level = int(0.000050105908373373*(10**40))
self.period = 10800
self.period_seconds = self.period * 60
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 = self.tax_level
self.settings.period_minutes = 10800
self.settings.sink_address = self.accounts[9]
self.sink_address = self.settings.sink_address
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)
try:
self.start_time = int(r['timestamp'], 16)
except TypeError:
self.start_time = int(r['timestamp'])
self.default_supply = 1000000000000
self.default_supply_cap = int(self.default_supply * 10)
nonce_oracle = RPCNonceOracle(self.accounts[0], self.rpc)
c = DemurrageToken(self.chain_spec, signer=self.signer, nonce_oracle=nonce_oracle)
self.mode = os.environ.get('ERC20_DEMURRAGE_TOKEN_TEST_MODE')
if self.mode == None:
self.mode = 'MultiNocap'
logg.debug('executing test setup default mode {}'.format(self.mode))
self.deploy(c, self.mode)
logg.info('deployed with mode {}'.format(self.mode))