update arb

FastLane-Labs · Dec 7, 2023 · 6392cc5 · 6392cc5
1 parent 8d2a36c
commit 6392cc5
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Showing 2 changed files with 48 additions and 12 deletions.
diff --git a/test/FlashLoan.sol b/test/FlashLoan.sol
@@ -13,6 +13,7 @@ import { DAppControl } from "../src/contracts/dapp/DAppControl.sol";
 import { CallConfig } from "../src/contracts/types/DAppApprovalTypes.sol";
 import { UserOperation } from "../src/contracts/types/UserCallTypes.sol";
 import { SolverOperation } from "../src/contracts/types/SolverCallTypes.sol";
+import { DAppOperation } from "../src/contracts/types/DAppApprovalTypes.sol";
 
 contract FlashLoanTest is BaseTest {
     DummyController public controller;
@@ -29,13 +30,25 @@ contract FlashLoanTest is BaseTest {
     function setUp() public virtual override {
         BaseTest.setUp();
 
+        // Creating new gov address (ERR-V49 OwnerActive if already registered with controller)
+        governancePK = 11_112;
+        governanceEOA = vm.addr(governancePK);
+
+        // Deploy
+        vm.startPrank(governanceEOA);
+
         controller = new DummyController(address(escrow), WETH_ADDRESS);
+        atlasVerification.initializeGovernance(address(controller));
+        atlasVerification.integrateDApp(address(controller));
+
         txBuilder = new TxBuilder({
             controller: address(controller),
             atlasAddress: address(atlas),
             _verification: address(atlasVerification)
         });
 
+        vm.stopPrank();
+
         arb = new ArbitrageTest();
         arb.setUpArbitragePools(chain.weth, chain.dai, 50e18, 100_000e18, address(arb.v2Router()), address(arb.s2Router()));
 
@@ -44,8 +57,14 @@ contract FlashLoanTest is BaseTest {
     function testFlashLoanArbitrage() public {
         // Pools should already be setup for arbitrage. First try arbitraging without paying eth back to pool
 
+        // Arbitrage is fulfilled by swapping WETH for DAI on Uniswap, then DAI for WETH on Sushiswap
+        (uint256 revenue, uint256 optimalAmountIn) =
+            arb.ternarySearch(chain.weth, chain.dai, arb.v2Router(), arb.s2Router(), 1, 50e18, 0, 20);
+
         vm.startPrank(solverOneEOA);
         SimpleArbitrageSolver solver = new SimpleArbitrageSolver(WETH_ADDRESS, address(atlas));
+        deal(WETH_ADDRESS, address(solver), 1e18); // 1 WETH to solver to pay bid
+        atlas.deposit{ value: 1e18 }();
         vm.stopPrank();
 
         // Input params for Atlas.metacall() - will be populated below
@@ -65,16 +84,33 @@ contract FlashLoanTest is BaseTest {
             data: new bytes(0)
         });
 
-        // SolverOperation[] memory solverOps = new SolverOperation[](1);
-        // solverOps[0] = txBuilder.buildSolverOperation({
-        //     userOp: userOp,
-        //     solverOpData: solverOpData,
-        //     solverEOA: solverOneEOA,
-        //     solverContract: address(solver),
-        //     bidAmount: 1e18
-        // });
+        SolverOperation[] memory solverOps = new SolverOperation[](1);
+        bytes memory solverOpData =
+            abi.encodeWithSelector(SimpleArbitrageSolver.arbitrageNoPayback.selector, arb.v2Router(), arb.s2Router(), chain.dai, optimalAmountIn);
+        solverOps[0] = txBuilder.buildSolverOperation({
+            userOp: userOp,
+            solverOpData: solverOpData,
+            solverEOA: solverOneEOA,
+            solverContract: address(solver),
+            bidAmount: 1e18,
+            value: optimalAmountIn
+        });
+
+        // Solver signs the solverOp
+        (sig.v, sig.r, sig.s) = vm.sign(solverOnePK, atlasVerification.getSolverPayload(solverOps[0]));
+        solverOps[0].signature = abi.encodePacked(sig.r, sig.s, sig.v);
+
+        // Frontend creates dAppOp calldata after seeing rest of data
+        DAppOperation memory dAppOp = txBuilder.buildDAppOperation(governanceEOA, userOp, solverOps);
 
+        // Frontend signs the dAppOp payload
+        (sig.v, sig.r, sig.s) = vm.sign(governancePK, atlasVerification.getDAppOperationPayload(dAppOp));
+        dAppOp.signature = abi.encodePacked(sig.r, sig.s, sig.v);
 
+        // make the actual atlas call
+        vm.startPrank(userEOA);
+        atlas.metacall({ userOp: userOp, solverOps: solverOps, dAppOp: dAppOp });
+        vm.stopPrank();
 
     } 
 
@@ -124,11 +160,11 @@ contract DummyController is DAppControl {
 contract SimpleArbitrageSolver is SolverBase {
     constructor(address weth, address atlas) SolverBase(weth, atlas, msg.sender) { }
 
-    function arbitrateNoPayback(address poolA, address poolB, uint256[3] calldata amounts) public payable {
-
+    function arbitrageNoPayback() external payable {
+        // Empty function, take the weth and not return anything - should fail
     }
 
-    function arbitrageWithPayback() external payable {
+    function arbitrageWithPayback(address routerA, address routerB, address tradeToken, uint256 amountIn) external payable {
 
     }
 }
diff --git a/test/base/ArbitrageTest.t.sol b/test/base/ArbitrageTest.t.sol
@@ -127,7 +127,7 @@ contract ArbitrageTest is BaseTest {
         uint24 c,
         uint24 m
     )
-        internal
+        public
         returns (uint256 revenue, uint256 optimalAmountIn)
     {
         uint256 mid1 = left + (right - left) / 3;