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Test precision loss of 2 bytes in demurrage store in redistribution data

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nolash
2021-06-08 17:41:49 +02:00
parent 030cfdfc97
commit c3a6a692ed
7 changed files with 35 additions and 33 deletions
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2
python/erc20_demurrage_token/data/DemurrageTokenSingleCap.bin
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File diff suppressed because one or more lines are too long

3
python/examples/sim_noredistribute.py
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@@ -17,9 +17,10 @@ settings.symbol = 'SIM'
settings.decimals = 6
settings.demurrage_level = int(decay_per_minute*(10**38))
#settings.period_minutes = 1 # 1 week in minutes
settings.period_minutes = 10
settings.period_minutes = 60*24*7
chain = 'evm:foochain:42'
cap = (10 ** 6) * (10 ** 12)
#cap = 0
# instantiate simulation
sim = DemurrageTokenSimulation(chain, settings, redistribute=False, cap=cap, actors=10)

14
python/test.sh
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@@ -7,10 +7,16 @@ export PYTHONPATH=.
#modes=(MultiNocap MultiCap SingleCap SingleNocap)
modes=(SingleCap SingleNocap) # other contracts need to be updted
for m in ${modes[@]}; do
ERC20_DEMURRAGE_TOKEN_TEST_MODE=$m python tests/test_period.py
ERC20_DEMURRAGE_TOKEN_TEST_MODE=$m python tests/test_basic.py
ERC20_DEMURRAGE_TOKEN_TEST_MODE=$m python tests/test_growth.py
ERC20_DEMURRAGE_TOKEN_TEST_MODE=$m python tests/test_amounts.py
ERC20_DEMURRAGE_TOKEN_TEST_MODE=$m python tests/test_single.py
done
modes=(SingleCap) # other contracts need to be updted
for m in ${modes[@]}; do
ERC20_DEMURRAGE_TOKEN_TEST_MODE=$m python tests/test_period.py
ERC20_DEMURRAGE_TOKEN_TEST_MODE=$m python tests/test_redistribution_unit.py
done
modes=(MultiCap SingleCap)
@@ -18,12 +24,6 @@ for m in ${modes[@]}; do
ERC20_DEMURRAGE_TOKEN_TEST_MODE=$m python tests/test_cap.py
done
modes=(SingleCap SingleNocap)
for m in ${modes[@]}; do
ERC20_DEMURRAGE_TOKEN_TEST_MODE=$m python tests/test_single.py
ERC20_DEMURRAGE_TOKEN_TEST_MODE=$m python tests/test_redistribution_unit.py
done
#modes=(MultiCap MultiNocap)
#for m in ${modes[@]}; do
# ERC20_DEMURRAGE_TOKEN_TEST_MODE=$m python tests/test_remainder.py

12
python/tests/test_period.py
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@@ -70,10 +70,10 @@ class TestPeriod(TestDemurrageDefault):
# allow test code float rounding error to billionth
modifier = (1 - (self.tax_level / 1000000)) ** (self.period_seconds / 60)
modifier *= 10 ** 9
modifier = int(modifier) * (10 ** (38 - 9))
modifier = int(modifier) * (10 ** (28 - 9))
period /= (10 ** (38 - 9))
period = int(period) * (10 ** (38 - 9))
period /= (10 ** (28 - 9))
period = int(period) * (10 ** (28 - 9))
self.assertEqual(modifier, period)
self.backend.time_travel(self.start_time + self.period_seconds * 2)
@@ -96,10 +96,10 @@ class TestPeriod(TestDemurrageDefault):
# allow test code float rounding error to billionth
modifier = (1 - (self.tax_level / 1000000)) ** ((self.period_seconds * 2) / 60)
modifier *= 10 ** 9
modifier = int(modifier) * (10 ** (38 - 9))
modifier = int(modifier) * (10 ** (28 - 9))
period /= (10 ** (38 - 9))
period = int(period) * (10 ** (38 - 9))
period /= (10 ** (28 - 9))
period = int(period) * (10 ** (28 - 9))
self.assertEqual(modifier, period)

11
python/tests/test_redistribution_unit.py
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@@ -36,21 +36,23 @@ class TestRedistribution(TestDemurrageUnit):
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**38)
#demurrage = (1 - (self.tax_level / 1000000)) * (10**38)
demurrage = (1 - (self.tax_level / 1000000)) * (10**28)
supply = self.default_supply
o = c.get_distribution(self.address, supply, demurrage, sender_address=self.accounts[0])
r = self.rpc.do(o)
distribution = c.parse_get_distribution(r)
expected_distribution = self.default_supply * (self.tax_level / 1000000)
self.assertEqual(distribution, expected_distribution)
self.assert_within_lower(distribution, expected_distribution, 1000)
def test_distribution_from_redistribution(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**38)
#demurrage = (1 - (self.tax_level / 1000000)) * (10**38)
demurrage = (1 - (self.tax_level / 1000000)) * (10**28)
supply = self.default_supply
o = c.to_redistribution(self.address, 0, demurrage, supply, 1, sender_address=self.accounts[0])
@@ -60,8 +62,7 @@ class TestRedistribution(TestDemurrageUnit):
r = self.rpc.do(o)
distribution = c.parse_get_distribution(r)
expected_distribution = self.default_supply * (self.tax_level / 1000000)
self.assertEqual(distribution, expected_distribution)
self.assert_within_lower(distribution, expected_distribution, 1000)
def test_single_step(self):