diff --git a/contracts/misc/WETHGateway.sol b/contracts/misc/WETHGateway.sol index 8165565a..5f0d0822 100644 --- a/contracts/misc/WETHGateway.sol +++ b/contracts/misc/WETHGateway.sol @@ -20,15 +20,13 @@ contract WETHGateway is IWETHGateway { /** * @dev Sets the WETH address and the LendingPoolAddressesProvider address. Infinite approves lending pool. - * @param _WETH Address of the Wrapped Ether contract - * @param _POOL Address of the LendingPool contract + * @param weth Address of the Wrapped Ether contract + * @param pool Address of the LendingPool contract **/ - constructor(address _WETH, address _POOL) public { - require(_WETH != address(0), '_WETH not 0 address'); - require(_POOL != address(0), '_POOL not 0 address'); - WETH = IWETH(_WETH); - POOL = ILendingPool(_POOL); - IWETH(_WETH).approve(_POOL, uint256(-1)); + constructor(address weth, address pool) public { + WETH = IWETH(weth); + POOL = ILendingPool(pool); + IWETH(weth).approve(pool, uint256(-1)); } /** @@ -44,9 +42,10 @@ contract WETHGateway is IWETHGateway { /** * @dev withdraws the WETH _reserves of msg.sender. - * @param amount address of the user who will receive the aTokens representing the deposit + * @param amount amount of aWETH to withdraw and receive native ETH + * @param to address of the user who will receive native ETH */ - function withdrawETH(uint256 amount, address onBehalfOf) external override { + function withdrawETH(uint256 amount, address to) external override { uint256 userBalance = IAToken(POOL.getReserveData(address(WETH)).aTokenAddress).balanceOf( msg.sender ); @@ -63,7 +62,7 @@ contract WETHGateway is IWETHGateway { ); POOL.withdraw(address(WETH), amountToWithdraw, address(this)); WETH.withdraw(amountToWithdraw); - safeTransferETH(onBehalfOf, amountToWithdraw); + safeTransferETH(to, amountToWithdraw); } /** @@ -112,6 +111,13 @@ contract WETHGateway is IWETHGateway { * @dev Only WETH contract is allowed to transfer ETH here. Prevent other addresses to send Ether to this contract. */ receive() external payable { - assert(msg.sender == address(WETH)); + require(msg.sender == address(WETH), 'Receive not allowed'); + } + + /** + * @dev Revert fallback calls + */ + fallback() external { + revert('Fallback not allowed'); } } diff --git a/package-lock.json b/package-lock.json index de4f3707..5b9d2c4c 100644 --- a/package-lock.json +++ b/package-lock.json @@ -5268,13 +5268,13 @@ "dependencies": { "ansi-regex": { "version": "4.1.0", - "resolved": false, + "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-4.1.0.tgz", "integrity": "sha512-1apePfXM1UOSqw0o9IiFAovVz9M5S1Dg+4TrDwfMewQ6p/rmMueb7tWZjQ1rx4Loy1ArBggoqGpfqqdI4rondg==", "dev": true }, "ansi-styles": { "version": "3.2.1", - "resolved": false, + "resolved": "https://registry.npmjs.org/ansi-styles/-/ansi-styles-3.2.1.tgz", "integrity": "sha512-VT0ZI6kZRdTh8YyJw3SMbYm/u+NqfsAxEpWO0Pf9sq8/e94WxxOpPKx9FR1FlyCtOVDNOQ+8ntlqFxiRc+r5qA==", "dev": true, "requires": { @@ -5283,7 +5283,7 @@ }, "bindings": { "version": "1.5.0", - 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