feat: FlashmintHYETHV2 (#179)

* First version of FlashhMintHyETHV2 contract

* Run old integration tests against new version

* Adjust contract logic for swapping between eth and erc4626 asset

* Adjust tests to new composition including morpho

* Fix arbitrum integration tests

Author: ckoopmann

contracts/exchangeIssuance/FlashMintHyETHV2.sol

@@ -2,6 +2,7 @@
 pragma solidity 0.6.10;
 
 interface IERC4626 {
+    function asset() external view returns (address);
     function deposit(uint256 assets_, address receiver_) external returns (uint256 shares_);
     function mint(uint256 shares_, address receiver_) external returns (uint256 assets_);
     function redeem(uint256 shares_, address receiver_, address owner_) external returns (uint256 assetsAfterFee_);

contracts/interfaces/IERC4626.sol

@@ -40,6 +40,7 @@ export const PRODUCTION_ADDRESSES = {
   setFork: {
     controller: "0xCd79A0B9aeca0eCE7eA59d14338ea330cb1cb2d7",
     debtIssuanceModuleV2: "0x120d2f26B7ffd35a8917415A5766Fa63B2af94aa",
+    debtIssuanceModuleV3: "0x4AC26c26116Fa976352b70700af58Bc2442489d8",
     aaveV3LeverageModule: "0x6D1b74e18064172D028C5EE7Af5D0ccC26f2A4Ae",
     extensions: {
       ETH2X: {

test/integration/arbitrum/addresses.ts

@@ -43,7 +43,7 @@ if (process.env.INTEGRATIONTEST) {
     let weth: IWETH;
     let usdc: IERC20;
 
-    setBlockNumber(201830000);
+    setBlockNumber(225770000);
 
     before(async () => {
       [owner] = await getAccounts();
@@ -69,7 +69,7 @@ if (process.env.INTEGRATIONTEST) {
           addresses.dexes.uniV3.router,
           addresses.dexes.uniV3.quoter,
           addresses.setFork.controller,
-          addresses.setFork.debtIssuanceModuleV2,
+          addresses.setFork.debtIssuanceModuleV3,
           addresses.setFork.aaveV3LeverageModule,
           addresses.lending.aaveV3.lendingPool,
           addresses.dexes.curve.addressProvider,
@@ -103,7 +103,7 @@ if (process.env.INTEGRATIONTEST) {
 
       it("debt issuance module address is set correctly", async () => {
         expect(await flashMintLeveraged.debtIssuanceModule()).to.eq(
-          utils.getAddress(addresses.setFork.debtIssuanceModuleV2),
+          utils.getAddress(addresses.setFork.debtIssuanceModuleV3),
         );
       });
 
@@ -131,11 +131,11 @@ if (process.env.INTEGRATIONTEST) {
 
           await aweth
             .connect(owner.wallet)
-            .approve(addresses.setFork.debtIssuanceModuleV2, ether(10));
+            .approve(addresses.setFork.debtIssuanceModuleV3, ether(10));
           await weth.connect(owner.wallet).approve(flashMintLeveraged.address, ether(100));
           const debtIssuanceModule = (await ethers.getContractAt(
             "IDebtIssuanceModule",
-            addresses.setFork.debtIssuanceModuleV2,
+            addresses.setFork.debtIssuanceModuleV3,
             owner.wallet,
           )) as IDebtIssuanceModule;
 
@@ -173,15 +173,15 @@ if (process.env.INTEGRATIONTEST) {
           expect(
             await collateralAToken.allowance(
               flashMintLeveraged.address,
-              addresses.setFork.debtIssuanceModuleV2,
+              addresses.setFork.debtIssuanceModuleV3,
             ),
           ).to.equal(MAX_UINT_256);
         });
         it("should adjust debt token allowance correctly", async () => {
           expect(
             await debtToken.allowance(
               flashMintLeveraged.address,
-              addresses.setFork.debtIssuanceModuleV2,
+              addresses.setFork.debtIssuanceModuleV3,
             ),
           ).to.equal(MAX_UINT_256);
         });
@@ -198,7 +198,7 @@ if (process.env.INTEGRATIONTEST) {
                   .transfer(owner.address, utils.parseUnits("10000", 6));
               }
               // This is done to avoid flaky "Invalid transfer in, results in undercollateralization" error
-              // See: https://github.com/IndexCoop/index-protocol/blob/1a587d93d273d9004d03f1235c395f6f7cd147dc/test/protocol/modules/v1/debtIssuanceModuleV2.spec.ts#L730
+              // See: https://github.com/IndexCoop/index-protocol/blob/1a587d93d273d9004d03f1235c395f6f7cd147dc/test/protocol/modules/v1/debtIssuanceModuleV3.spec.ts#L730
               // TODO: Review if we have to do this in production.
               await aweth.transfer(setToken.address, ether(0.000001));
             });

test/integration/arbitrum/flashMintLeveragedExtended.spec.ts

@@ -37,6 +37,7 @@ export const PRODUCTION_ADDRESSES = {
     rsEth: "0xA1290d69c65A6Fe4DF752f95823fae25cB99e5A7",
     rswEth: "0xFAe103DC9cf190eD75350761e95403b7b8aFa6c0",
     acrossWethLP: "0x28F77208728B0A45cAb24c4868334581Fe86F95B",
+    morphoRe7WETH: "0x78Fc2c2eD1A4cDb5402365934aE5648aDAd094d0",
   },
   whales: {
     stEth: "0xdc24316b9ae028f1497c275eb9192a3ea0f67022",

test/integration/ethereum/addresses.ts

@@ -50,7 +50,7 @@ const NO_OP_SWAP_DATA: SwapData = {
 };
 
 if (process.env.INTEGRATIONTEST) {
-  describe.only("FlashMintHyETH - Integration Test", async () => {
+  describe("FlashMintHyETH - Integration Test", async () => {
     const addresses = PRODUCTION_ADDRESSES;
     let owner: Account;
     let deployer: DeployHelper;