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feat: borrowCap from 32 bits (4 billion max cap) to 48 bits (280 trilly)

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This commit is contained in:
Hadrien Charlanes 2021-04-30 12:02:18 +02:00
parent 08e14b7565
commit c907d15e22
4 changed files with 6 additions and 5 deletions
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4
contracts/protocol/libraries/configuration/ReserveConfiguration.sol
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@ -19,7 +19,7 @@ library ReserveConfiguration {
uint256 constant BORROWING_MASK = 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFBFFFFFFFFFFFFFF; // prettier-ignore
uint256 constant STABLE_BORROWING_MASK = 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF7FFFFFFFFFFFFFF; // prettier-ignore
uint256 constant RESERVE_FACTOR_MASK = 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF0000FFFFFFFFFFFFFFFF; // prettier-ignore
uint256 constant BORROW_CAP_MASK = 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00000000FFFFFFFFFFFFFFFFFFFF; // prettier-ignore
uint256 constant BORROW_CAP_MASK = 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF000000000000FFFFFFFFFFFFFFFFFFFF; // prettier-ignore
/// @dev For the LTV, the start bit is 0 (up to 15), hence no bitshifting is needed
uint256 constant LIQUIDATION_THRESHOLD_START_BIT_POSITION = 16;
@ -37,7 +37,7 @@ library ReserveConfiguration {
uint256 constant MAX_VALID_LIQUIDATION_BONUS = 65535;
uint256 constant MAX_VALID_DECIMALS = 255;
uint256 constant MAX_VALID_RESERVE_FACTOR = 65535;
uint256 constant MAX_VALID_BORROW_CAP = 4294967295;
uint256 constant MAX_VALID_BORROW_CAP = 281474976710655;
/**
* @dev Sets the Loan to Value of the reserve

2
contracts/protocol/libraries/types/DataTypes.sol
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@ -38,7 +38,7 @@ library DataTypes {
//bit 59: stable rate borrowing enabled
//bit 60-63: reserved
//bit 64-79: reserve factor
//bit 80-111 borrow cap
//bit 80-127 borrow cap
uint256 data;
}

2
helpers/constants.ts
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@ -15,7 +15,7 @@ export const oneEther = new BigNumber(Math.pow(10, 18));
export const oneRay = new BigNumber(Math.pow(10, 27));
export const MAX_UINT_AMOUNT =
'115792089237316195423570985008687907853269984665640564039457584007913129639935';
export const MAX_BORROW_CAP = '4294967295';
export const MAX_BORROW_CAP = '281474976710655';
export const ONE_YEAR = '31536000';
export const ZERO_ADDRESS = '0x0000000000000000000000000000000000000000';
export const ONE_ADDRESS = '0x0000000000000000000000000000000000000001';

3
test-suites/test-aave/configurator.spec.ts
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@ -3,6 +3,7 @@ import { APPROVAL_AMOUNT_LENDING_POOL, MAX_UINT_AMOUNT, RAY, MAX_BORROW_CAP } fr
import { convertToCurrencyDecimals } from '../../helpers/contracts-helpers';
import { ProtocolErrors } from '../../helpers/types';
import { strategyWETH } from '../../markets/aave/reservesConfigs';
import { BigNumber } from '@ethersproject/bignumber';
const { expect } = require('chai');
@ -398,7 +399,7 @@ makeSuite('LendingPoolConfigurator', (testEnv: TestEnv) => {
it('Fails to change to too high borrowCap', async () => {
const { configurator, users, weth } = testEnv;
await expect(
configurator.setBorrowCap(weth.address, '4294967296'),
configurator.setBorrowCap(weth.address, BigNumber.from(MAX_BORROW_CAP).add(1)),
CALLER_NOT_POOL_ADMIN
).to.be.revertedWith(RC_INVALID_BORROW_CAP);
});