cicnet/erc20-demurrage-token
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WIP test burn over time

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This commit is contained in:
lash 2022-12-13 13:10:33 +00:00
parent ef294eaec2
commit a56f1c4869
Signed by: lash
GPG Key ID: 21D2E7BB88C2A746
5 changed files with 126 additions and 11 deletions
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2
python/erc20_demurrage_token/data/DemurrageTokenSingleNocap.bin
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File diff suppressed because one or more lines are too long

1
python/run_tests.sh
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@ -13,6 +13,7 @@ for m in ${modes[@]}; do
ERC20_DEMURRAGE_TOKEN_TEST_MODE=$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
ERC20_DEMURRAGE_TOKEN_TEST_MODE=$m python tests/test_burn.py
done
#modes=(SingleCap) # other contracts need to be updted

107
python/tests/test_burn.py
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@ -18,16 +18,34 @@ from chainlib.eth.block import (
from erc20_demurrage_token import DemurrageToken
# test imports
from erc20_demurrage_token.unittest.base import TestDemurrageDefault
from erc20_demurrage_token.unittest.base import TestDemurrage
logging.basicConfig(level=logging.DEBUG)
logging.basicConfig(level=logging.INFO)
logg = logging.getLogger()
testdir = os.path.dirname(__file__)
class TestBurn(TestDemurrageDefault):
class TestBurn(TestDemurrage):
def setUp(self):
super(TestBurn, 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')
if self.mode == None:
self.mode = 'MultiNocap'
logg.debug('executing test setup default mode {}'.format(self.mode))
self.deployer.settings.sink_address = self.accounts[9]
self.deployer.sink_address = self.accounts[9]
self.deploy(c, self.mode)
logg.info('deployed with mode {}'.format(self.mode))
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)
@ -191,5 +209,88 @@ class TestBurn(TestDemurrageDefault):
self.assert_within_lower(sink_bal, bal, 0.09) # TODO is this ok variance, 1.0 is ppm?
def test_burn_accumulate(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.add_minter(self.address, self.accounts[0], self.sink_address)
self.rpc.do(o)
o = receipt(tx_hash)
r = self.rpc.do(o)
self.assertEqual(r['status'], 1)
(tx_hash, o) = c.mint_to(self.address, self.accounts[0], self.sink_address, self.default_supply)
r = self.rpc.do(o)
nonce_oracle = RPCNonceOracle(self.sink_address, self.rpc)
c = DemurrageToken(self.chain_spec, signer=self.signer, nonce_oracle=nonce_oracle)
(tx_hash, o) = c.transfer(self.address, self.sink_address, self.accounts[1], int(self.default_supply / 2))
r = self.rpc.do(o)
new_supply = None
burn_rate = 1000
sink_bal = None
bob_bal = None
bob_refund = None
o = c.balance(self.address, self.accounts[1], sender_address=self.accounts[0])
r = self.rpc.do(o)
bob_bal = c.parse_balance(r)
prev_bob_bal = bob_bal
for i in range(1, 101):
nonce_oracle = RPCNonceOracle(self.sink_address, self.rpc)
c = DemurrageToken(self.chain_spec, signer=self.signer, nonce_oracle=nonce_oracle)
if bob_refund != None:
(tx_hash, o) = c.transfer(self.address, self.sink_address, self.accounts[1], bob_refund)
r = self.rpc.do(o)
o = receipt(tx_hash)
r = self.rpc.do(o)
self.assertEqual(r['status'], 1)
(tx_hash, o) = c.burn(self.address, self.sink_address, burn_rate)
r = self.rpc.do(o)
o = receipt(tx_hash)
r = self.rpc.do(o)
self.assertEqual(r['status'], 1)
nonce_oracle = RPCNonceOracle(self.accounts[0], self.rpc)
c = DemurrageToken(self.chain_spec, signer=self.signer, nonce_oracle=nonce_oracle)
o = c.total_supply(self.address, sender_address=self.accounts[0])
r = self.rpc.do(o)
new_supply = c.parse_total_supply(r)
self.backend.time_travel(self.start_time + (self.period_seconds * i))
(tx_hash, o) = c.change_period(self.address, self.accounts[0])
self.rpc.do(o)
o = c.balance(self.address, self.accounts[1], sender_address=self.accounts[0])
r = self.rpc.do(o)
bob_bal = c.parse_balance(r)
bob_refund = prev_bob_bal - bob_bal
o = c.balance(self.address, self.sink_address, sender_address=self.accounts[0])
r = self.rpc.do(o)
burner_bal = c.parse_balance(r)
o = c.total_burned(self.address, sender_address=self.accounts[0])
r = self.rpc.do(o)
total_burned = c.parse_balance(r)
o = c.to_base_amount(self.address, total_burned, sender_address=self.accounts[0])
r = self.rpc.do(o)
total_burned_base = c.parse_balance(r)
expected_supply = self.default_supply - (burn_rate * i)
logg.info('checking burn round {} balance burner {} bob {} supply {} expected {} burned {} base {}'.format(i, burner_bal, bob_bal, new_supply, expected_supply, total_burned, total_burned_base))
self.assertEqual(new_supply, expected_supply)
sum_supply = burner_bal + bob_bal
logg.debug('balances sink {} bob {} total {} supply real {} original {}'.format(sink_bal, bob_bal, sum_supply, new_supply, self.default_supply))
if __name__ == '__main__':
unittest.main()

25
python/tests/test_redistribution_single.py
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@ -24,7 +24,7 @@ from erc20_demurrage_token import DemurrageToken
# test imports
from erc20_demurrage_token.unittest.base import TestDemurrageDefault
logging.basicConfig(level=logging.DEBUG)
logging.basicConfig(level=logging.INFO)
logg = logging.getLogger()
testdir = os.path.dirname(__file__)
@ -88,18 +88,31 @@ class TestRedistribution(TestDemurrageDefault):
(tx_hash, o) = c.mint_to(self.address, self.accounts[0], self.accounts[0], supply)
self.rpc.do(o)
self.backend.time_travel(self.start_time + (self.period_seconds * 10))
self.backend.time_travel(self.start_time + (self.period_seconds * 100))
for i in range(1, 11):
logg.debug('checking period {}'.format(i))
balance_minter = None
balance_sink = None
real_supply = None
for i in range(1, 101):
(tx_hash, o) = c.change_period(self.address, self.accounts[0])
self.rpc.do(o)
o = receipt(tx_hash)
r = self.rpc.do(o)
self.assertEqual(r['status'], 1)
i = 10
o = c.balance_of(self.address, self.sink_address, sender_address=self.accounts[0])
r = self.rpc.do(o)
balance_sink = c.parse_balance(r)
o = c.balance_of(self.address, self.accounts[0], sender_address=self.accounts[0])
r = self.rpc.do(o)
balance_minter = c.parse_balance(r)
real_supply = balance_sink + balance_minter
logg.info('period {} testing sink {} mint {} adds up to supply {} of original {} (delta {})'.format(i, balance_sink, balance_minter, real_supply, supply, supply - real_supply))
i = 100
o = c.redistributions(self.address, i, sender_address=self.accounts[0])
redistribution = self.rpc.do(o)
@ -122,7 +135,7 @@ class TestRedistribution(TestDemurrageDefault):
r = self.rpc.do(o)
balance_minter = c.parse_balance(r)
logg.debug('testing sink {} mint {} adds up to supply {} with demurrage between {} and {}'.format(balance_sink, balance_minter, supply, demurrage_previous, demurrage))
logg.debug('testing sink {} mint {} adds up to supply {} with demurrage between {} and {}'.format(balance_sink, balance_minter, real_supply, demurrage_previous, demurrage))
self.assert_within_lower(balance_minter + balance_sink, supply, 0.001)

2
solidity/DemurrageTokenSingleNocap.sol
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@ -11,7 +11,7 @@ contract DemurrageTokenSingleCap {
uint8 constant shiftRedistributionValue = 32;
uint256 constant maskRedistributionValue = 0x00000000000000000000000000000000000000ffffffffffffffffff00000000; // ((1 << 72) - 1) << 32
uint8 constant shiftRedistributionDemurrage = 104;
uint256 constant maskRedistributionDemurrage = 0x0000000000ffffffffffffffffffffffffffff00000000000000000000000000; // ((1 << 20) - 1) << 140
uint256 constant maskRedistributionDemurrage = 0x0000000000ffffffffffffffffffffffffffff00000000000000000000000000; // ((1 << 36) - 1) << 140
// Account balances
mapping (address => uint256) account;