Instadapp/aave-protocol-v2
1
0
Fork 0
mirror of https://github.com/Instadapp/aave-protocol-v2.git synced 2024-07-29 21:47:30 +00:00
Code Issues Packages Projects Releases Wiki Activity

Added configuration library

Browse Source
This commit is contained in:
The3D 2020-07-21 09:53:38 +02:00
parent d6cc251f29
commit 8e6ea20a79
1 changed files with 65 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

65
contracts/libraries/ReserveConfiguration.sol Normal file
View File

@ -0,0 +1,65 @@
// SPDX-License-Identifier: agpl-3.0
pragma solidity ^0.6.8;
import {SafeMath} from '@openzeppelin/contracts/math/SafeMath.sol';
import {IERC20} from '@openzeppelin/contracts/token/ERC20/IERC20.sol';
import {ReserveLogic} from './ReserveLogic.sol';
import {UserLogic} from './UserLogic.sol';
import {WadRayMath} from './WadRayMath.sol';
import '../interfaces/IPriceOracleGetter.sol';
import {IFeeProvider} from '../interfaces/IFeeProvider.sol';
import '@nomiclabs/buidler/console.sol';
/**
* @title ReserveConfiguration library
* @author Aave
* @title Implements the bitmap logic to handle the configuration mapping
*/
library ReserveConfiguration {
uint256 constant LTV_MASK = 0xFFFFFFFF0000;
uint256 constant LIQUIDATION_THRESHOLD_MASK = 0xFFFF0000FFFF;
uint256 constant LIQUIDATION_BONUS_MASK = 0x0000FFFFFFFF;
uint256 constant LIQUIDATION_BONUS_MASK = 0x00FFFFFFFFFFFF;
struct Map {
//bit 0-15: LTV
//bit 16-31: Liq. threshold
//bit 32-47: Liq. bonus
//bit 48-56: Decimals
uint256 data;
}
function setLTV(ReserveConfiguration.Map _self, uint256 _ltv) internal {
_self.data = (_self.data & LTV_MASK) | _ltv;
}
function getLTV(ReserveConfiguration.Map _self) internal view returns (uint256) {
return _self.data & !LTV_MASK;
}
function setLiquidationThreshold(ReserveConfiguration.Map _self, uint256 _threshold) internal {
_self.data = (_self.data & LIQUIDATION_THRESHOLD_MASK) | (_threshold << 16);
}
function getLiquidationThreshold(ReserveConfiguration.Map _self) internal view returns (uint256) {
return (_self.data & !LIQUIDATION_THRESHOLD_MASK) >> 16;
}
function setLiquidationBonus(ReserveConfiguration.Map _self, uint256 _bonus) internal {
_self.data = (_self.data & LIQUIDATION_BONUS_MASK) | (_bonus << 32);
}
function getLiquidationBonus(ReserveConfiguration.Map _self) internal view returns (uint256) {
return (_self.data & !LIQUIDATION_BONUS_MASK) >> 32;
}
function setDecimals(ReserveConfiguration.Map _self, uint256 _decimals) internal {
_self.data = (_self.data & DECIMALS_MASK) | (_ltv << 48);
}
function getDecimals(ReserveConfiguration.Map _self) internal view returns (uint256) {
return (_self.data & !DECIMALS_MASK) >> 48;
}
}