feat: add curve executor with router tests

Took 36 minutes


Took 2 minutes

foundry/test/CurveRouterGasTest.t.sol

@@ -0,0 +1,43 @@
+// SPDX-License-Identifier: BUSL-1.1
+pragma solidity ^0.8.26;
+
+import {Constants} from "./Constants.sol";
+import {IERC20} from "@openzeppelin/contracts/token/ERC20/IERC20.sol";
+import {console} from "forge-std/console.sol";
+import {ICurveRouter} from "../interfaces/ICurveRouter.sol";
+
+contract CurveRouterGasTest is Constants {
+    ICurveRouter curveRouter = ICurveRouter(CURVE_ROUTER);
+
+    function setUp() public {
+        uint256 forkBlock = 22031795;
+        vm.createSelectFork(vm.rpcUrl("mainnet"), forkBlock);
+    }
+
+    function testCurveRouter() public {
+        address[11] memory route;
+        route[0] = WETH_ADDR;
+        route[1] = TRICRYPTO_USDC_WBTC_WETH;
+        route[2] = USDC_ADDR;
+
+        uint256[5][5] memory swapParams;
+        swapParams[0][0] = 2; // tokenIn Index
+        swapParams[0][1] = 0; // tokenOut Index
+        swapParams[0][2] = 1; // swap type
+        swapParams[0][3] = 3; // pool type
+        swapParams[0][4] = 3; // n_coins
+
+        uint256 amountIn = 1 ether;
+        uint256 minAmountOut = 0;
+        address[5] memory pools;
+
+        deal(WETH_ADDR, ALICE, amountIn);
+
+        vm.startPrank(ALICE);
+        IERC20(WETH_ADDR).approve(address(curveRouter), amountIn);
+        uint256 amountOut = curveRouter.exchange(
+            route, swapParams, amountIn, minAmountOut, pools, address(this)
+        );
+        vm.stopPrank();
+    }
+}