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erc20-demurrage-token
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Save highest two bits in redistribuction work for remainder handling

This commit is contained in:
nolash 2021-02-05 08:45:44 +01:00
parent ed9d9b3833
commit d795a77deb
Signed by: lash
GPG Key ID: 21D2E7BB88C2A746
2 changed files with 14 additions and 3 deletions
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10
python/tests/test_basic.py
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@ -56,12 +56,14 @@ class Test(unittest.TestCase):
pass
@unittest.skip('test')
def test_hello(self):
self.assertEqual(self.contract.functions.actualPeriod().call(), 1)
self.eth_tester.mine_blocks(PERIOD)
self.assertEqual(self.contract.functions.actualPeriod().call(), 2)
@unittest.skip('test')
def test_mint(self):
tx_hash = self.contract.functions.mintTo(self.w3.eth.accounts[1], 1024).transact()
r = self.w3.eth.getTransactionReceipt(tx_hash)
@ -86,6 +88,7 @@ class Test(unittest.TestCase):
tx_hash = self.contract.functions.transfer(self.w3.eth.accounts[2], 500).transact({'from': self.w3.eth.accounts[1]})
r = self.w3.eth.getTransactionReceipt(tx_hash)
self.assertEqual(r.status, 1)
logg.debug('tx {}'.format(r))
balance_alice = self.contract.functions.balanceOf(self.w3.eth.accounts[1]).call()
self.assertEqual(balance_alice, 524)
@ -93,7 +96,12 @@ class Test(unittest.TestCase):
balance_bob = self.contract.functions.balanceOf(self.w3.eth.accounts[2]).call()
self.assertEqual(balance_bob, 500)
tx_hash = self.contract.functions.transfer(self.w3.eth.accounts[2], 500).transact({'from': self.w3.eth.accounts[1]})
r = self.w3.eth.getTransactionReceipt(tx_hash)
self.assertEqual(r.status, 1)
logg.debug('tx {}'.format(r))
@unittest.skip('test')
def test_apply_tax(self):
self.eth_tester.mine_blocks(PERIOD)
tx_hash = self.contract.functions.applyTax().transact()
@ -108,6 +116,7 @@ class Test(unittest.TestCase):
self.assertEqual(self.contract.functions.demurrageModifier().call(), 960400)
@unittest.skip('test')
def test_tax_balance(self):
tx_hash = self.contract.functions.mintTo(self.w3.eth.accounts[1], 1000).transact()
r = self.w3.eth.getTransactionReceipt(tx_hash)
@ -122,6 +131,7 @@ class Test(unittest.TestCase):
self.assertEqual(balance, 980)
@unittest.skip('test')
def test_taxed_transfer(self):
tx_hash = self.contract.functions.mintTo(self.w3.eth.accounts[1], 1000000).transact()
r = self.w3.eth.getTransactionReceipt(tx_hash)

7
solidity/RedistributedDemurrageToken.sol
View File

@ -2,6 +2,7 @@ pragma solidity > 0.6.11;
// SPDX-License-Identifier: GPL-3.0-or-later
// TODO: assign bitmask values to contants
contract RedistributedDemurrageToken {
address public owner;
@ -15,7 +16,7 @@ contract RedistributedDemurrageToken {
uint256 public taxLevel; // PPM
uint256 public demurrageModifier; // PPM
bytes32[] public redistributions; // uint40(participants) | uint160(value) | uint56(period)
bytes32[] public redistributions; // uint1(usedDustSink) | uint1(isFractional) | uint38(participants) | uint160(value) | uint56(period)
mapping (address => bytes32) account; // uint12(period) | uint160(value)
mapping (address => bool) minter;
@ -121,7 +122,7 @@ contract RedistributedDemurrageToken {
// Serializes the number of participants part of the redistribution word
function toRedistributionParticipants(bytes32 redistribution) public pure returns (uint256) {
return uint256(redistribution & 0xffffffffff000000000000000000000000000000000000000000000000000000) >> 216;
return uint256(redistribution & 0x3fffffffff000000000000000000000000000000000000000000000000000000) >> 216;
}
// Client accessor to the redistributions array length
@ -148,7 +149,7 @@ contract RedistributedDemurrageToken {
uint256 currentRedistribution;
currentRedistribution = uint256(redistributions[redistributions.length-1]);
currentRedistribution &= 0xffffffffff0000000000000000000000000000000000000000ffffffffffffff;
currentRedistribution &= 0x3fffffffff0000000000000000000000000000000000000000ffffffffffffff;
currentRedistribution |= totalSupply << 56;
redistributions[redistributions.length-1] = bytes32(currentRedistribution);