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Refactored interestRateStrategy

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This commit is contained in:
The3D 2020-09-10 13:21:50 +02:00
parent af362141fd
commit c3b1ab0585
1 changed files with 3 additions and 2 deletions
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5
contracts/lendingpool/DefaultReserveInterestRateStrategy.sol
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@ -4,6 +4,7 @@ pragma solidity ^0.6.8;
import {SafeMath} from '@openzeppelin/contracts/math/SafeMath.sol'; import {SafeMath} from '@openzeppelin/contracts/math/SafeMath.sol';
import {IReserveInterestRateStrategy} from '../interfaces/IReserveInterestRateStrategy.sol'; import {IReserveInterestRateStrategy} from '../interfaces/IReserveInterestRateStrategy.sol';
import {WadRayMath} from '../libraries/math/WadRayMath.sol'; import {WadRayMath} from '../libraries/math/WadRayMath.sol';
import {PercentageMath} from '../libraries/math/PercentageMath.sol';
import {LendingPoolAddressesProvider} from '../configuration/LendingPoolAddressesProvider.sol'; import {LendingPoolAddressesProvider} from '../configuration/LendingPoolAddressesProvider.sol';
import {ILendingRateOracle} from '../interfaces/ILendingRateOracle.sol'; import {ILendingRateOracle} from '../interfaces/ILendingRateOracle.sol';
@ -17,7 +18,7 @@ import {ILendingRateOracle} from '../interfaces/ILendingRateOracle.sol';
contract DefaultReserveInterestRateStrategy is IReserveInterestRateStrategy { contract DefaultReserveInterestRateStrategy is IReserveInterestRateStrategy {
using WadRayMath for uint256; using WadRayMath for uint256;
using SafeMath for uint256; using SafeMath for uint256;
using PercentageMath for uint256;
/** /**
* @dev this constant represents the utilization rate at which the pool aims to obtain most competitive borrow rates * @dev this constant represents the utilization rate at which the pool aims to obtain most competitive borrow rates
* expressed in ray * expressed in ray
@ -171,7 +172,7 @@ contract DefaultReserveInterestRateStrategy is IReserveInterestRateStrategy {
averageStableBorrowRate averageStableBorrowRate
) )
.rayMul(utilizationRate) .rayMul(utilizationRate)
.rayMul(WadRayMath.ray().sub(reserveFactor)); .percentMul(PercentageMath.PERCENTAGE_FACTOR.sub(reserveFactor));
return (vars.currentLiquidityRate, vars.currentStableBorrowRate, vars.currentVariableBorrowRate); return (vars.currentLiquidityRate, vars.currentStableBorrowRate, vars.currentVariableBorrowRate);
} }