cicnet/erc20-demurrage-token
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Rehabilitate redistribution unit

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This commit is contained in:
lash 2023-02-10 06:21:32 +00:00
parent 555b0b1724
commit 34af3b1b30
Signed by: lash
GPG Key ID: 21D2E7BB88C2A746
7 changed files with 38 additions and 26 deletions
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1
python/erc20_demurrage_token/__init__.py
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@ -1,4 +1,5 @@
from .token import (
DemurrageToken,
DemurrageTokenSettings,
DemurrageRedistribution,
)

2
python/erc20_demurrage_token/data/DemurrageTokenSingleNocap.bin
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File diff suppressed because one or more lines are too long

2
python/erc20_demurrage_token/data/DemurrageTokenSingleNocap.json
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File diff suppressed because one or more lines are too long

10
python/erc20_demurrage_token/token.py
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@ -306,18 +306,18 @@ class DemurrageToken(ERC20):
return o
def to_redistribution(self, contract_address, participants, demurrage_modifier_ppm, value, period, sender_address=ZERO_ADDRESS, id_generator=None):
def to_redistribution(self, contract_address, participants, demurrage_modifier, value, period, sender_address=ZERO_ADDRESS, id_generator=None):
j = JSONRPCRequest(id_generator)
o = j.template()
o['method'] = 'eth_call'
enc = ABIContractEncoder()
enc.method('toRedistribution')
enc.typ(ABIContractType.UINT256)
enc.typ(ABIContractType.UINT256)
enc.typ_literal('int128')
enc.typ(ABIContractType.UINT256)
enc.typ(ABIContractType.UINT256)
enc.uint256(participants)
enc.uint256(demurrage_modifier_ppm)
enc.uint256(demurrage_modifier)
enc.uint256(value)
enc.uint256(period)
data = add_0x(enc.get())
@ -536,7 +536,7 @@ class DemurrageToken(ERC20):
enc = ABIContractEncoder()
enc.method('getDistribution')
enc.typ(ABIContractType.UINT256)
enc.typ(ABIContractType.UINT256)
enc.typ_literal('int128')
enc.uint256(supply)
enc.uint256(demurrage_amount)
data = add_0x(enc.get())
@ -555,7 +555,7 @@ class DemurrageToken(ERC20):
enc = ABIContractEncoder()
enc.method('getDistributionFromRedistribution')
v = strip_0x(redistribution)
enc.typ_literal('(uint32,uint72,uint104)')
enc.typ_literal('(uint32,uint72,uint64)')
enc.bytes32(v[:64])
enc.bytes32(v[64:128])
enc.bytes32(v[128:192])

11
python/erc20_demurrage_token/unittest/newbase.py
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@ -114,6 +114,17 @@ class TestDemurrage(EthTesterCase):
logg.debug('contract address {} start block {} start time {}'.format(self.address, self.start_block, self.start_time))
def assert_within(self, v, target, tolerance_ppm):
lower_target = target - (target * (tolerance_ppm / 1000000))
higher_target = target + (target * (tolerance_ppm / 1000000))
#self.assertGreaterEqual(v, lower_target)
#self.assertLessEqual(v, higher_target)
if v >= lower_target and v <= higher_target:
logg.debug('asserted within {} <= {} <= {}'.format(lower_target, v, higher_target))
return
raise AssertionError('{} not within lower {} and higher {}'.format(v, lower_target, higher_target))
def assert_within_lower(self, v, target, tolerance_ppm):
lower_target = target - (target * (tolerance_ppm / 1000000))
self.assertGreaterEqual(v, lower_target)

29
python/tests/test_redistribution_unit.py
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@ -19,9 +19,11 @@ from hexathon import (
# local imports
from erc20_demurrage_token import DemurrageToken
from erc20_demurrage_token.fixed import to_fixed
from erc20_demurrage_token import DemurrageRedistribution
# test imports
from erc20_demurrage_token.unittest.base import TestDemurrageUnit
from erc20_demurrage_token.unittest import TestDemurrageDefault
logging.basicConfig(level=logging.DEBUG)
logg = logging.getLogger()
@ -29,7 +31,7 @@ logg = logging.getLogger()
testdir = os.path.dirname(__file__)
class TestRedistribution(TestDemurrageUnit):
class TestRedistribution(TestDemurrageDefault):
# TODO: move to "pure" test file when getdistribution is implemented in all contracts
@ -40,11 +42,12 @@ class TestRedistribution(TestDemurrageUnit):
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])
#o = c.get_distribution(self.address, supply, demurrage, sender_address=self.accounts[0])
o = c.get_distribution(self.address, supply, to_fixed(self.tax_level / 1000000), 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.assert_within_lower(distribution, expected_distribution, 1000)
self.assert_within(distribution, expected_distribution, 100)
def test_distribution_from_redistribution(self):
@ -53,18 +56,17 @@ class TestRedistribution(TestDemurrageUnit):
demurrage = (1 - (self.tax_level / 100000)) * (10**28)
logg.debug('demurrage {}'.format(demurrage))
supply = self.default_supply
o = c.to_redistribution(self.address, 0, demurrage, supply, 2, sender_address=self.accounts[0])
o = c.to_redistribution(self.address, 0, to_fixed(self.tax_level / 1000000), supply, 2, sender_address=self.accounts[0])
redistribution = self.rpc.do(o)
o = c.get_distribution_from_redistribution(self.address, redistribution, self.accounts[0])
r = self.rpc.do(o)
distribution = c.parse_get_distribution(r)
expected_distribution = (self.default_supply * self.tax_level) / 100000
expected_distribution = (self.default_supply * (self.tax_level / 1000000))
logg.debug('distribution {} supply {}'.format(distribution, self.default_supply))
self.assert_within_lower(distribution, expected_distribution, 1000)
self.assert_within(distribution, expected_distribution, 1000)
def test_single_step_basic(self):
@ -124,7 +126,7 @@ class TestRedistribution(TestDemurrageUnit):
nonce_oracle = RPCNonceOracle(self.accounts[0], self.rpc)
c = DemurrageToken(self.chain_spec, signer=self.signer, nonce_oracle=nonce_oracle)
mint_amount = 100000000
mint_amount = self.default_supply
half_mint_amount = int(mint_amount / 2)
(tx_hash, o) = c.mint_to(self.address, self.accounts[0], self.accounts[1], mint_amount)
@ -156,7 +158,7 @@ class TestRedistribution(TestDemurrageUnit):
o = c.balance_of(self.address, self.accounts[2], sender_address=self.accounts[0])
r = self.rpc.do(o)
balance = c.parse_balance(r)
self.assertEqual(balance, expected_balance)
self.assert_within(balance, expected_balance, 10)
half_demurrage_amount = int((self.tax_level / 1000000) * half_mint_amount)
@ -177,14 +179,15 @@ class TestRedistribution(TestDemurrageUnit):
o = c.redistributions(self.address, 0, sender_address=self.accounts[0])
redistribution = self.rpc.do(o)
logg.debug('redistribution {}'.format(redistribution))
o = c.to_redistribution_supply(self.address, redistribution, sender_address=self.accounts[0])
r = self.rpc.do(o)
supply = c.parse_to_redistribution_item(r)
o = c.to_redistribution_demurrage_modifier(self.address, redistribution, sender_address=self.accounts[0])
r = self.rpc.do(o)
demurrage = c.parse_to_redistribution_item(r)
logg.debug('\nrediistribution {}\ndemurrage {}\nsupply {}'.format(redistribution, demurrage, supply))
#demurrage = c.parse_to_redistribution_item(r)
#logg.debug('\nrediistribution {}\ndemurrage {}\nsupply {}'.format(redistribution, demurrage, supply))
redistro_item = DemurrageRedistribution(redistribution)
logg.debug('redistribution {}'.format(redistro_item))
expected_balance = int(supply * (self.tax_level / 1000000))
expected_balance_tolerance = 1

9
solidity/DemurrageTokenSingleNocap.sol
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@ -298,14 +298,11 @@ contract DemurrageTokenSingleCap {
return lastRedistribution;
}
function getDistribution(uint256 _supply, int128 _demurrageAmount) public pure returns (uint256) {
function getDistribution(uint256 _supply, int128 _demurrageAmount) public view returns (uint256) {
int128 difference;
// difference = _supply * (resolutionFactor - (_demurrageAmount * 10000000000));
// return difference / resolutionFactor;
difference = ABDKMath64x64.mul(ABDKMath64x64.fromUInt(_supply), _demurrageAmount);
return ABDKMath64x64.toUInt(difference);
//return _supply;
difference = ABDKMath64x64.mul(ABDKMath64x64.fromUInt(_supply), ABDKMath64x64.sub(ABDKMath64x64.fromUInt(1), _demurrageAmount));
return _supply - ABDKMath64x64.toUInt(difference);
}