fix(hardhat): use irm mock

package.json

@@ -14,10 +14,9 @@
     "build:forge": "FOUNDRY_PROFILE=build forge build",
     "build:hardhat": "npx hardhat compile",
     "build:blue": "cd lib/morpho-blue/ && yarn build:forge && cd ../..",
-    "build:irm": "cd lib/morpho-blue-irm/ && forge build && cd ../..",
     "typecheck": "tsc --noEmit",
     "test:forge": "yarn build:blue && FOUNDRY_PROFILE=test forge test",
-    "test:hardhat": "yarn build:blue && yarn build:irm && npx hardhat test",
+    "test:hardhat": "yarn build:blue && npx hardhat test",
     "lint": "yarn lint:forge && yarn lint:ts",
     "lint:ts": "prettier --check test/hardhat",
     "lint:forge": "forge fmt --check",

test/hardhat/MetaMorpho.spec.ts

@@ -1,7 +1,7 @@
 import { AbiCoder, MaxUint256, ZeroHash, keccak256, toBigInt } from "ethers";
 import hre from "hardhat";
 import _range from "lodash/range";
-import { ERC20Mock, OracleMock, MetaMorpho, IIrm, IMorpho, MetaMorphoFactory, MetaMorpho__factory } from "types";
+import { ERC20Mock, OracleMock, MetaMorpho, IMorpho, MetaMorphoFactory, MetaMorpho__factory, IrmMock } from "types";
 import { MarketParamsStruct } from "types/@morpho-blue/interfaces/IMorpho";
 
 import { SignerWithAddress } from "@nomicfoundation/hardhat-ethers/signers";
@@ -13,7 +13,6 @@ import {
 } from "@nomicfoundation/hardhat-network-helpers/dist/src/helpers/time";
 
 // Must use relative import path.
-import SpeedJumpIrmArtifact from "../../lib/morpho-blue-irm/out/SpeedJumpIrm.sol/SpeedJumpIrm.json";
 import MorphoArtifact from "../../lib/morpho-blue/out/Morpho.sol/Morpho.json";
 
 // Without the division it overflows.
@@ -72,7 +71,7 @@ describe("MetaMorpho", () => {
   let loan: ERC20Mock;
   let collateral: ERC20Mock;
   let oracle: OracleMock;
-  let irm: IIrm;
+  let irm: IrmMock;
 
   let factory: MetaMorphoFactory;
   let metaMorpho: MetaMorpho;
@@ -148,13 +147,11 @@ describe("MetaMorpho", () => {
 
     const morphoAddress = await morpho.getAddress();
 
-    const SpeedJumpIrmFactory = await hre.ethers.getContractFactory(
-      SpeedJumpIrmArtifact.abi,
-      SpeedJumpIrmArtifact.bytecode.object,
-      admin,
-    );
+    const IrmMockFactory = await hre.ethers.getContractFactory("IrmMock", admin);
+
+    irm = await IrmMockFactory.deploy();
 
-    irm = (await SpeedJumpIrmFactory.deploy(morphoAddress, ln2, speedFactor, targetUtilization, initialRate)) as IIrm;
+    await irm.setApr(BigInt.WAD / 100n); // 1%
 
     const loanAddress = await loan.getAddress();
     const collateralAddress = await collateral.getAddress();