cicnet/erc20-demurrage-token
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Implement selectable deployment

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This commit is contained in:
nolash 2021-06-05 08:45:37 +02:00
parent 093fcbccd5
commit aeebdd348b
Signed by: lash
GPG Key ID: 21D2E7BB88C2A746
7 changed files with 88 additions and 48 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

5
python/erc20_demurrage_token/token.py
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@ -42,6 +42,11 @@ class DemurrageToken(ERC20):
__abi = {}
__bytecode = {}
valid_modes = [
'MultiNocap',
'SingleNocap',
'MultiCap',
]
def constructor(self, sender_address, settings, redistribute=True, cap=0, tx_format=TxFormat.JSONRPC):
if int(cap) < 0:

77
python/tests/base.py
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@ -1,5 +1,6 @@
# standard imports
import logging
import os
# external imports
from chainlib.eth.unittest.ethtester import EthTesterCase
@ -37,7 +38,7 @@ class TestDemurrage(EthTesterCase):
super(TestDemurrage, self).setUp()
self.tax_level = TAX_LEVEL
self.period = PERIOD
self.period_seconds = PERIOD * 60
nonce_oracle = RPCNonceOracle(self.accounts[0], self.rpc)
self.settings = DemurrageTokenSettings()
@ -54,12 +55,38 @@ class TestDemurrage(EthTesterCase):
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'])
self.default_supply = 1000000000000
self.default_supply_cap = self.default_supply * 10
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=False, cap=self.default_supply_cap)
else:
raise ValueError('Invalid mode "{}", valid are {}'.format(mode, DeurrageToken.valid_modes))
r = self.rpc.do(o)
o = receipt(tx_hash)
r = self.rpc.do(o)
self.assertEqual(r['status'], 1)
self.start_block = r['block_number']
self.address = r['contract_address']
o = block_by_number(r['block_number'])
r = self.rpc.do(o)
self.start_time = r['timestamp']
def tearDown(self):
pass
@ -68,31 +95,33 @@ class TestDemurrage(EthTesterCase):
class TestDemurrageDefault(TestDemurrage):
def __deploy(self, interface):
self.default_supply = 1000000000000
self.supply_cap = self.default_supply * 10
(tx_hash, o) = interface.constructor(self.accounts[0], self.settings, redistribute=True, cap=0)
r = self.rpc.do(o)
o = receipt(tx_hash)
r = self.rpc.do(o)
self.assertEqual(r['status'], 1)
self.addresses['MultiNocap'] = r['contract_address']
(tx_hash, o) = interface.constructor(self.accounts[0], self.settings, redistribute=False, cap=0)
r = self.rpc.do(o)
o = receipt(tx_hash)
r = self.rpc.do(o)
self.assertEqual(r['status'], 1)
self.addresses['SingleNocap'] = r['contract_address']
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)
self.addresses = {}
self.__deploy(c)
self.address = self.addresses['MultiNocap']
self.mode = os.environ.get('ERC20_DEMURRAGE_TOKEN_TEST_MODE')
if self.mode == None:
self.mode = 'MultiNocap'
self.deploy(c, self.mode)
logg.info('deployed with mode {}'.format(self.mode))
class TestDemurrageSingleNocap(TestDemurrage):
def setUp(self):
super(TestDemurrageSingleNocap, self).setUp()
nonce_oracle = RPCNonceOracle(self.accounts[0], self.rpc)
c = DemurrageToken(self.chain_spec, signer=self.signer, nonce_oracle=nonce_oracle)
self.mode = 'SingleNocap'
self.deploy(c, self.mode)
logg.info('deployed with mode {}'.format(self.mode))

10
python/tests/test_basic.py
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@ -16,7 +16,7 @@ from erc20_demurrage_token import DemurrageToken
# test imports
from tests.base import TestDemurrageDefault
logging.basicConfig(level=logging.DEBUG)
logging.basicConfig(level=logging.INFO)
logg = logging.getLogger()
testdir = os.path.dirname(__file__)
@ -25,13 +25,12 @@ testdir = os.path.dirname(__file__)
class TestBasic(TestDemurrageDefault):
def test_hello(self):
nonce_oracle = RPCNonceOracle(self.accounts[0], self.rpc)
c = DemurrageToken(self.chain_spec, signer=self.signer, nonce_oracle=nonce_oracle)
o = c.actual_period(self.address, sender_address=self.accounts[0])
r = self.rpc.do(o)
self.backend.time_travel(self.start_time + 61)
self.backend.time_travel(self.start_time + self.period_seconds + 1)
o = c.actual_period(self.address, sender_address=self.accounts[0])
r = self.rpc.do(o)
@ -47,13 +46,13 @@ class TestBasic(TestDemurrageDefault):
demurrage_amount = c.parse_demurrage_amount(r)
self.assertEqual(modifier, demurrage_amount)
self.backend.time_travel(self.start_time + 59)
self.backend.time_travel(self.start_time + self.period_seconds - 1)
o = c.demurrage_amount(self.address, sender_address=self.accounts[0])
r = self.rpc.do(o)
demurrage_amount = c.parse_demurrage_amount(r)
self.assertEqual(modifier, demurrage_amount)
self.backend.time_travel(self.start_time + 61)
self.backend.time_travel(self.start_time + self.period_seconds + 1)
(tx_hash, o) = c.apply_demurrage(self.address, sender_address=self.accounts[0])
r = self.rpc.do(o)
o = c.demurrage_amount(self.address, sender_address=self.accounts[0])
@ -99,7 +98,6 @@ class TestBasic(TestDemurrageDefault):
def test_minter_control(self):
nonce_oracle = RPCNonceOracle(self.accounts[1], self.rpc)
c = DemurrageToken(self.chain_spec, signer=self.signer, nonce_oracle=nonce_oracle)

10
python/tests/test_redistribution.py
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@ -77,7 +77,7 @@ class TestRedistribution(TestDemurrageDefault):
(tx_hash, o) = c.transfer(self.address, self.accounts[1], external_address, 999999)
r = self.rpc.do(o)
self.backend.time_travel(self.start_time + 61)
self.backend.time_travel(self.start_time + self.period_seconds + 1)
o = c.redistributions(self.address, 0, sender_address=self.accounts[0])
r = self.rpc.do(o)
@ -106,7 +106,7 @@ class TestRedistribution(TestDemurrageDefault):
(tx_hash, o) = c.mint_to(self.address, self.accounts[0], self.accounts[1], supply)
r = self.rpc.do(o)
self.backend.time_travel(self.start_time + 61)
self.backend.time_travel(self.start_time + self.period_seconds + 1)
(tx_hash, o) = c.apply_demurrage(self.address, self.accounts[0])
self.rpc.do(o)
o = receipt(tx_hash)
@ -198,7 +198,7 @@ class TestRedistribution(TestDemurrageDefault):
self.assertEqual(r['status'], 1)
self.backend.time_travel(self.start_time + 61)
self.backend.time_travel(self.start_time + self.period_seconds + 1)
(tx_hash, o) = c.apply_demurrage(self.address, self.accounts[4])
self.rpc.do(o)
@ -261,7 +261,3 @@ class TestRedistribution(TestDemurrageDefault):
self.assertEqual(spender_actual_balance, spender_new_decayed_balance)
if __name__ == '__main__':
unittest.main()

30
python/tests/test_single.py
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@ -18,7 +18,7 @@ from hexathon import (
from erc20_demurrage_token import DemurrageToken
# test imports
from tests.base import TestDemurrageDefault
from tests.base import TestDemurrageSingleNocap
logging.basicConfig(level=logging.DEBUG)
logg = logging.getLogger()
@ -26,36 +26,48 @@ logg = logging.getLogger()
testdir = os.path.dirname(__file__)
class TestRedistributionSingle(TestDemurrageDefault):
class TestRedistributionSingle(TestDemurrageSingleNocap):
def test_single_even_if_multiple(self):
mint_amount = 100000000
nonce_oracle = RPCNonceOracle(self.accounts[0], self.rpc)
c = DemurrageToken(self.chain_spec, signer=self.signer, nonce_oracle=nonce_oracle)
(tx_hash, o) = c.mint_to(self.address, self.accounts[0], self.accounts[1], 100000000)
r = self.rpc.do(o)
for i in range(3):
(tx_hash, o) = c.mint_to(self.address, self.accounts[0], self.accounts[i+1], mint_amount)
r = self.rpc.do(o)
external_address = to_checksum_address('0x' + os.urandom(20).hex())
nonce_oracle = RPCNonceOracle(self.accounts[2], self.rpc)
c = DemurrageToken(self.chain_spec, signer=self.signer, nonce_oracle=nonce_oracle)
(tx_hash, o) = c.transfer(self.address, self.accounts[1], external_address, 10000000)
(tx_hash, o) = c.transfer(self.address, self.accounts[2], external_address, int(mint_amount) * 0.1)
r = self.rpc.do(o)
nonce_oracle = RPCNonceOracle(self.accounts[3], self.rpc)
c = DemurrageToken(self.chain_spec, signer=self.signer, nonce_oracle=nonce_oracle)
(tx_hash, o) = c.transfer(self.address, self.accounts[2], external_address, 20000000)
(tx_hash, o) = c.transfer(self.address, self.accounts[3], external_address, int(mint_amount) * 0.2)
r = self.rpc.do(o)
self.backend.time_travel(self.start_time + 61)
(tx_hash, o) = c.apply_demurrage(self.address, self.accounts[0])
self.backend.time_travel(self.start_time + self.period_seconds + 1)
(tx_hash, o) = c.apply_demurrage(self.address, self.accounts[3])
self.rpc.do(o)
o = receipt(tx_hash)
rcpt = self.rpc.do(o)
self.assertEqual(rcpt['status'], 1)
(tx_hash, o) = c.change_period(self.address, self.accounts[0])
(tx_hash, o) = c.change_period(self.address, self.accounts[3])
self.rpc.do(o)
o = receipt(tx_hash)
r = self.rpc.do(o)
self.assertEqual(r['status'], 1)
o = c.balance_of(self.address, self.accounts[1], sender_address=self.accounts[0])
r = self.rpc.do(o)
balance = c.parse_balance_of(r)
self.assertEqual(balance, mint_amount - (mint_amount * (self.tax_level / 1000000)))
if __name__ == '__main__':
unittest.main()

2
solidity/DemurrageTokenSingleNocap.sol
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@ -154,7 +154,6 @@ contract DemurrageTokenSingleNocap {
/// Balance unmodified by demurrage
function baseBalanceOf(address _account) public view returns (uint256) {
return uint256(account[_account]) & maskAccountValue;
//return uint256(account[_account]);
}
/// Increases base balance for a single account
@ -174,6 +173,7 @@ contract DemurrageTokenSingleNocap {
require(uint160(newBalance) > uint160(oldBalance), 'ERR_WOULDWRAP'); // revert if increase would result in a wrapped value
workAccount &= (~maskAccountValue);
workAccount |= (newBalance & maskAccountValue);
account[_account] = bytes32(workAccount);
return true;
}