UniswapOnlyGuard.sol: mapping for allowed addreses #5

README.md

@@ -22,6 +22,16 @@ Our ETHOnline2023 focus: integration with Uniswap and harnessing Safe smart wall
 
 Monorepo setup: smart contracts in root, frontend in its folder. We integrate Foundry/Forge with GitHub Actions for streamlined CI/CD.
 
+### Clone/Checkout
+Clone with submodules
+```shell
+git clone --recurse-submodules [email protected]:chainhackers/ethonline-2023.git
+```
+Update submodules when you need to
+```shell
+git submodule update --init --recursive
+```
+
 ## Test in Polygon Mainnet fork
 ```shell
 source .env

src/UniswapOnlyGuard.sol

@@ -7,12 +7,16 @@ import "./Constants.sol";
 
 contract UniswapOnlyGuard is Guard {
     address public immutable permit2;
-    IERC20[] public allowedTokens;
-    IERC20 usdc = IERC20(USDC_POLYGON);
+    mapping(address => bool) allowedTokens;
 
-    constructor(address permit2_, IERC20[] memory allowedTokens_){
+    constructor(
+        address permit2_,
+        IERC20[] memory allowedTokens_
+    ){
         permit2 = permit2_;
-        allowedTokens = allowedTokens_;
+        for(int i = 0; i < allowedTokens_.length; i++){
+            allowedTokens[allowedTokens_[i]] = true;
+        }
     }
 
     // TODO not sure, experimenting, consider removing this