fix: Remove unneded use of SafeMath

aave · Oct 1, 2021 · a9584f8 · a9584f8
1 parent c351627
commit a9584f8
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Showing 4 changed files with 1 addition and 8 deletions.
diff --git a/contracts/dependencies/openzeppelin/contracts/SafeERC20.sol b/contracts/dependencies/openzeppelin/contracts/SafeERC20.sol
@@ -3,7 +3,6 @@
 pragma solidity 0.8.7;
 
 import {IERC20} from './IERC20.sol';
-import {SafeMath} from './SafeMath.sol';
 import {Address} from './Address.sol';
 
 /**
@@ -16,7 +15,6 @@ import {Address} from './Address.sol';
  * which allows you to call the safe operations as `token.safeTransfer(...)`, etc.
  */
 library SafeERC20 {
-  using SafeMath for uint256;
   using Address for address;
 
   function safeTransfer(

diff --git a/contracts/mocks/flashloan/MockFlashLoanReceiver.sol b/contracts/mocks/flashloan/MockFlashLoanReceiver.sol
@@ -1,17 +1,14 @@
 // SPDX-License-Identifier: agpl-3.0
 pragma solidity 0.8.7;
 
-import {SafeMath} from '../../dependencies/openzeppelin/contracts/SafeMath.sol';
 import {IERC20} from '../../dependencies/openzeppelin/contracts/IERC20.sol';
 import {SafeERC20} from '../../dependencies/openzeppelin/contracts/SafeERC20.sol';
-import {SafeMath} from '../../dependencies/openzeppelin/contracts/SafeMath.sol';
 import {IPoolAddressesProvider} from '../../interfaces/IPoolAddressesProvider.sol';
 import {FlashLoanReceiverBase} from '../../flashloan/base/FlashLoanReceiverBase.sol';
 import {MintableERC20} from '../tokens/MintableERC20.sol';
 
 contract MockFlashLoanReceiver is FlashLoanReceiverBase {
   using SafeERC20 for IERC20;
-  using SafeMath for uint256;
 
   IPoolAddressesProvider internal _provider;
 
@@ -71,7 +68,7 @@ contract MockFlashLoanReceiver is FlashLoanReceiverBase {
 
       uint256 amountToReturn = (_amountToApprove != 0)
         ? _amountToApprove
-        : amounts[i].add(premiums[i]);
+        : amounts[i] + premiums[i];
       //execution does not fail - mint tokens and return them to the _destination
 
       token.mint(premiums[i]);

diff --git a/contracts/protocol/libraries/math/MathUtils.sol b/contracts/protocol/libraries/math/MathUtils.sol
@@ -1,7 +1,6 @@
 // SPDX-License-Identifier: agpl-3.0
 pragma solidity 0.8.7;
 
-import {SafeMath} from '../../../dependencies/openzeppelin/contracts/SafeMath.sol';
 import {WadRayMath} from './WadRayMath.sol';
 
 /**

diff --git a/contracts/protocol/tokenization/StableDebtToken.sol b/contracts/protocol/tokenization/StableDebtToken.sol
@@ -1,7 +1,6 @@
 // SPDX-License-Identifier: agpl-3.0
 pragma solidity 0.8.7;
 
-import {SafeMath} from '../../dependencies/openzeppelin/contracts/SafeMath.sol';
 import {IERC20} from '../../dependencies/openzeppelin/contracts/IERC20.sol';
 import {VersionedInitializable} from '../libraries/aave-upgradeability/VersionedInitializable.sol';
 import {MathUtils} from '../libraries/math/MathUtils.sol';