Remove hardhat and replace with vitest

package.json

@@ -32,14 +32,6 @@
     "@metamask/eslint-config": "^12.0.0",
     "@metamask/eslint-config-nodejs": "^12.0.0",
     "@metamask/eslint-config-typescript": "^12.0.0",
-    "@nomicfoundation/hardhat-ignition": "^0.15.1",
-    "@nomicfoundation/hardhat-ignition-viem": "^0.15.0",
-    "@nomicfoundation/hardhat-network-helpers": "^1.0.9",
-    "@nomicfoundation/hardhat-toolbox-viem": "^3.0.0",
-    "@nomicfoundation/hardhat-verify": "^2.0.0",
-    "@nomicfoundation/hardhat-viem": "^2.0.0",
-    "@nomicfoundation/ignition-core": "^0.15.1",
-    "@nomiclabs/hardhat-ethers": "^2.2.3",
     "@types/keccak": "^3.0.4",
     "@typescript-eslint/eslint-plugin": "^5.42.1",
     "@typescript-eslint/parser": "^5.42.1",

packages/delegation-core/package.json

@@ -3,6 +3,7 @@
   "version": "0.1.0",
   "description": "Low level core functionality for interacting with the Delegation Framework",
   "license": "(MIT-0 OR Apache-2.0)",
+  "type": "module",
   "keywords": [
     "MetaMask",
     "Ethereum"
@@ -18,8 +19,8 @@
   "author": "MetaMask <hello@metamask.io>",
   "sideEffects": false,
   "contributors": [],
-  "main": "./dist/index.js",
-  "module": "./dist/index.mjs",
+  "main": "./dist/index.cjs",
+  "module": "./dist/index.js",
   "types": "./dist/index.d.ts",
   "files": [
     "dist/**",
@@ -28,12 +29,12 @@
   "exports": {
     ".": {
       "require": {
-        "types": "./dist/index.d.ts",
-        "default": "./dist/index.js"
+        "types": "./dist/index.d.cts",
+        "default": "./dist/index.cjs"
       },
       "import": {
-        "types": "./dist/index.d.mts",
-        "default": "./dist/index.mjs"
+        "types": "./dist/index.d.ts",
+        "default": "./dist/index.js"
       }
     },
     "./package.json": "./package.json"
@@ -67,7 +68,7 @@
     "@types/node": "^20.10.6",
     "tsup": "^8.5.0",
     "typescript": "5.0.4",
-    "vitest": "^2.1.9"
+    "vitest": "^3.2.4"
   },
   "dependencies": {
     "@metamask/abi-utils": "^3.0.0",

packages/delegation-toolkit/package.json

@@ -1,6 +1,7 @@
 {
   "name": "@metamask/delegation-toolkit",
   "version": "0.12.0",
+  "type": "module",
   "description": "The Delegation Toolkit built on top of Viem - a library for interacting with DeleGator Smart Accounts",
   "license": "(MIT-0 OR Apache-2.0)",
   "keywords": [
@@ -25,51 +26,51 @@
     ".": {
       "require": {
         "types": "./dist/index.d.ts",
-        "default": "./dist/index.js"
+        "default": "./dist/index.cjs"
       },
       "import": {
         "types": "./dist/index.d.mts",
-        "default": "./dist/index.mjs"
+        "default": "./dist/index.js"
       }
     },
     "./utils": {
       "require": {
         "types": "./dist/utils/index.d.ts",
-        "default": "./dist/utils/index.js"
+        "default": "./dist/utils/index.cjs"
       },
       "import": {
         "types": "./dist/utils/index.d.mts",
-        "default": "./dist/utils/index.mjs"
+        "default": "./dist/utils/index.js"
       }
     },
     "./contracts": {
       "require": {
         "types": "./dist/contracts/index.d.ts",
-        "default": "./dist/contracts/index.js"
+        "default": "./dist/contracts/index.cjs"
       },
       "import": {
         "types": "./dist/contracts/index.d.mts",
-        "default": "./dist/contracts/index.mjs"
+        "default": "./dist/contracts/index.js"
       }
     },
     "./actions": {
       "require": {
         "types": "./dist/actions/index.d.ts",
-        "default": "./dist/actions/index.js"
+        "default": "./dist/actions/index.cjs"
       },
       "import": {
         "types": "./dist/actions/index.d.mts",
-        "default": "./dist/actions/index.mjs"
+        "default": "./dist/actions/index.js"
       }
     },
     "./experimental": {
       "require": {
         "types": "./dist/experimental/index.d.ts",
-        "default": "./dist/experimental/index.js"
+        "default": "./dist/experimental/index.cjs"
       },
       "import": {
         "types": "./dist/experimental/index.d.mts",
-        "default": "./dist/experimental/index.mjs"
+        "default": "./dist/experimental/index.js"
       }
     },
     "./package.json": "./package.json"
@@ -84,8 +85,8 @@
     "changelog:update": "../../scripts/update-changelog.sh @metamask/delegation-toolkit",
     "changelog:validate": "../../scripts/validate-changelog.sh @metamask/delegation-toolkit",
     "clean": "rm -rf dist",
-    "test": "hardhat test --tsconfig hardhat.tsconfig.json",
-    "test:watch": "npx nodemon -e ts -w ./test -w ./src -x \"yarn test\"",
+    "test": "npx vitest run --coverage",
+    "test:watch": "npx vitest watch",
     "format": "prettier --write \"src/**/*.{ts,tsx}\" --ignore-path .prettierignore",
     "lint": "yarn lint:eslint",
     "lint:complete": "yarn lint:eslint && yarn lint:constraints && yarn lint:misc --check && yarn lint:dependencies --check && yarn lint:changelog",
@@ -104,15 +105,10 @@
     "allowScripts": {
       "@lavamoat/preinstall-always-fail": false,
       "tsup>esbuild": true,
-      "hardhat>@nomicfoundation/ethereumjs-blockchain>level>classic-level": false,
-      "hardhat>@nomicfoundation/ethereumjs-tx>ethereum-cryptography>secp256k1": false,
-      "hardhat>keccak": false,
       "viem>ws>bufferutil": false,
       "viem>ws>utf-8-validate": false,
-      "@nomicfoundation/hardhat-toolbox-viem>solidity-coverage>hardhat>@nomicfoundation/ethereumjs-tx>ethereum-cryptography>secp256k1": false,
-      "@nomicfoundation/hardhat-toolbox-viem>solidity-coverage>hardhat>keccak": false,
-      "@nomicfoundation/hardhat-ignition-viem>@nomicfoundation/hardhat-ignition>hardhat>@nomicfoundation/ethereumjs-tx>ethereum-cryptography>secp256k1": false,
-      "@nomicfoundation/hardhat-ignition-viem>@nomicfoundation/hardhat-ignition>hardhat>keccak": false
+      "vitest>vite>esbuild": false,
+      "vitest>vite>tsx>esbuild": false
     }
   },
   "dependencies": {
@@ -129,35 +125,22 @@
     "@metamask/eslint-config": "^12.0.0",
     "@metamask/eslint-config-nodejs": "^12.0.0",
     "@metamask/eslint-config-typescript": "^12.0.0",
-    "@nomicfoundation/hardhat-ignition": "^0.15.1",
-    "@nomicfoundation/hardhat-ignition-viem": "^0.15.0",
-    "@nomicfoundation/hardhat-network-helpers": "^1.0.9",
-    "@nomicfoundation/hardhat-toolbox-viem": "^3.0.0",
-    "@nomicfoundation/hardhat-verify": "^2.0.0",
-    "@nomicfoundation/hardhat-viem": "^2.0.0",
-    "@nomicfoundation/ignition-core": "^0.15.1",
-    "@types/chai": "4",
-    "@types/chai-as-promised": "^7.1.8",
-    "@types/mocha": "10.0.2",
     "@types/node": "^20.10.6",
     "@types/sinon": "^17.0.3",
     "@typescript-eslint/eslint-plugin": "^5.42.1",
     "@typescript-eslint/parser": "^5.42.1",
-    "chai": "4",
-    "chai-as-promised": "^7.1.1",
+    "@vitest/coverage-v8": "3.2.4",
     "dotenv": "^16.3.1",
     "eslint": "^8.56.0",
-    "hardhat": "^2.20.1",
-    "hardhat-gas-reporter": "^1.0.8",
     "import": "^0.0.6",
     "prettier": "^3.3.3",
     "sinon": "^18.0.0",
-    "solidity-coverage": "^0.8.1",
     "ts-node": "^10.9.2",
     "tsconfig-paths": "^4.2.0",
     "tsup": "^8.5.0",
     "typescript": "5.0.4",
-    "viem": "2.21.55"
+    "viem": "2.21.55",
+    "vitest": "^3.2.4"
   },
   "peerDependencies": {
     "viem": ">=2.18.2 <3.0.0"

packages/delegation-toolkit/test/caveatBuilder/CaveatBuilder.test.ts

@@ -1,6 +1,6 @@
-import { expect } from 'chai';
 import { spy } from 'sinon';
 import { toHex } from 'viem';
+import { expect, describe, it, beforeEach } from 'vitest';
 
 import { CaveatBuilder } from '../../src/caveatBuilder/caveatBuilder';
 import type { Caveat, DeleGatorEnvironment } from '../../src/types';

packages/delegation-toolkit/test/caveatBuilder/allowedCalldataBuilder.test.ts

@@ -1,5 +1,5 @@
-import { expect } from 'chai';
 import { concat, size, toHex, type Hex } from 'viem';
+import { expect, describe, it } from 'vitest';
 
 import { allowedCalldataBuilder } from '../../src/caveatBuilder/allowedCalldataBuilder';
 import type { DeleGatorEnvironment } from '../../src/types';

packages/delegation-toolkit/test/caveatBuilder/allowedMethodsBuilder.test.ts

@@ -1,6 +1,6 @@
-import { expect } from 'chai';
 import { concat, toFunctionSelector, size } from 'viem';
 import type { AbiFunction, Hex } from 'viem';
+import { expect, describe, it } from 'vitest';
 
 import type { MethodSelector } from '../../src/caveatBuilder/allowedMethodsBuilder';
 import { allowedMethodsBuilder } from '../../src/caveatBuilder/allowedMethodsBuilder';

packages/delegation-toolkit/test/caveatBuilder/allowedTargetsBuilder.test.ts

@@ -1,6 +1,5 @@
-import { expect } from 'chai';
-import { concat, size } from 'viem';
-import type { Address, Hex } from 'viem';
+import { concat, size, type Address, type Hex } from 'viem';
+import { expect, describe, it } from 'vitest';
 
 import { allowedTargetsBuilder } from '../../src/caveatBuilder/allowedTargetsBuilder';
 import type { DeleGatorEnvironment } from '../../src/types';

packages/delegation-toolkit/test/caveatBuilder/argsEqualityCheckBuilder.test.ts

@@ -1,5 +1,5 @@
-import { expect } from 'chai';
 import { size, type Hex } from 'viem';
+import { expect, describe, it } from 'vitest';
 
 import { argsEqualityCheckBuilder } from '../../src/caveatBuilder/argsEqualityCheckBuilder';
 import type { DeleGatorEnvironment } from '../../src/types';

packages/delegation-toolkit/test/caveatBuilder/blockNumberBuilder.test.ts

@@ -1,5 +1,5 @@
-import { expect } from 'chai';
 import { concat, size, toHex } from 'viem';
+import { expect, describe, it } from 'vitest';
 
 import { blockNumberBuilder } from '../../src/caveatBuilder/blockNumberBuilder';
 import type { DeleGatorEnvironment } from '../../src/types';

packages/delegation-toolkit/test/caveatBuilder/createCaveatBuilder.test.ts

@@ -1,34 +1,34 @@
-import { expect } from 'chai';
-import hre from 'hardhat';
-import type { WalletClient } from 'viem';
 import { concat, encodePacked, isAddress, pad, toHex } from 'viem';
 import type { Address } from 'viem/accounts';
-import { hardhat } from 'viem/chains';
+import { expect, describe, it } from 'vitest';
 
 import { createCaveatBuilder, CaveatBuilder } from '../../src/caveatBuilder';
 import { BalanceChangeType } from '../../src/caveatBuilder/types';
 import type { DeleGatorEnvironment } from '../../src/types';
-import {
-  randomAddress,
-  randomBytes,
-  setupDevelopmentEnvironment,
-} from '../utils';
+import { randomAddress, randomBytes } from '../utils';
 
 describe('createCaveatBuilder()', () => {
-  const chain = hardhat;
-  let environment: DeleGatorEnvironment;
-
-  before(async () => {
-    const [walletClient] = (await hre.viem.getWalletClients()) as [
-      WalletClient,
-    ];
-    const publicClient = await hre.viem.getPublicClient();
-    environment = await setupDevelopmentEnvironment(
-      walletClient,
-      publicClient,
-      chain,
-    );
-  });
+  const environment: DeleGatorEnvironment = {
+    caveatEnforcers: {
+      AllowedMethodsEnforcer: randomBytes(20),
+      AllowedTargetsEnforcer: randomBytes(20),
+      DeployedEnforcer: randomBytes(20),
+      AllowedCalldataEnforcer: randomBytes(20),
+      ERC20BalanceChangeEnforcer: randomBytes(20),
+      ValueLteEnforcer: randomBytes(20),
+      LimitedCallsEnforcer: randomBytes(20),
+      IdEnforcer: randomBytes(20),
+      NonceEnforcer: randomBytes(20),
+      TimestampEnforcer: randomBytes(20),
+      BlockNumberEnforcer: randomBytes(20),
+      NativeTokenTransferAmountEnforcer: randomBytes(20),
+      NativeBalanceChangeEnforcer: randomBytes(20),
+      NativeTokenPaymentEnforcer: randomBytes(20),
+      ERC20TransferAmountEnforcer: randomBytes(20),
+      RedeemerEnforcer: randomBytes(20),
+      ArgsEqualityCheckEnforcer: randomBytes(20),
+    },
+  } as unknown as DeleGatorEnvironment;
 
   describe('ctor', () => {
     it('should create a CaveatBuilder', () => {

packages/delegation-toolkit/test/caveatBuilder/deployedBuilder.test.ts

@@ -1,6 +1,5 @@
-import { expect } from 'chai';
-import { concat, pad, size } from 'viem';
-import type { Address, Hex } from 'viem';
+import { concat, pad, size, type Address, type Hex } from 'viem';
+import { expect, describe, it } from 'vitest';
 
 import { deployedBuilder } from '../../src/caveatBuilder/deployedBuilder';
 import type { DeleGatorEnvironment } from '../../src/types';

packages/delegation-toolkit/test/caveatBuilder/erc1155BalanceChangeBuilder.test.ts

@@ -1,5 +1,5 @@
-import { expect } from 'chai';
-import { type Address, encodePacked, size } from 'viem';
+import { encodePacked, size, type Address } from 'viem';
+import { expect, describe, it } from 'vitest';
 
 import { erc1155BalanceChangeBuilder } from '../../src/caveatBuilder/erc1155BalanceChangeBuilder';
 import { BalanceChangeType } from '../../src/caveatBuilder/types';

packages/delegation-toolkit/test/caveatBuilder/erc20BalanceChangeBuilder.test.ts

@@ -1,5 +1,5 @@
-import { expect } from 'chai';
-import { type Address, encodePacked, size } from 'viem';
+import { encodePacked, size, type Address } from 'viem';
+import { expect, describe, it } from 'vitest';
 
 import { erc20BalanceChangeBuilder } from '../../src/caveatBuilder/erc20BalanceChangeBuilder';
 import { BalanceChangeType } from '../../src/caveatBuilder/types';

packages/delegation-toolkit/test/caveatBuilder/erc20PeriodTransferBuilder.test.ts

@@ -1,6 +1,6 @@
-import { expect } from 'chai';
 import { concat, size, toHex } from 'viem';
 import type { Address } from 'viem';
+import { expect, describe, it } from 'vitest';
 
 import { erc20PeriodTransferBuilder } from '../../src/caveatBuilder/erc20PeriodTransferBuilder';
 import type { DeleGatorEnvironment } from '../../src/types';

packages/delegation-toolkit/test/caveatBuilder/erc20StreamingBuilder.test.ts

@@ -1,6 +1,6 @@
-import { expect } from 'chai';
 import type { Address } from 'viem';
 import { size } from 'viem';
+import { expect, describe, it } from 'vitest';
 
 import { erc20StreamingBuilder } from '../../src/caveatBuilder/erc20StreamingBuilder';
 import { TIMESTAMP_UPPER_BOUND_SECONDS } from '../../src/caveatBuilder/shared';

packages/delegation-toolkit/test/caveatBuilder/erc20TransferAmountBuilder.test.ts

@@ -1,6 +1,6 @@
-import { expect } from 'chai';
 import { concat, size, toHex } from 'viem';
 import type { Address } from 'viem';
+import { expect, describe, it } from 'vitest';
 
 import { erc20TransferAmountBuilder } from '../../src/caveatBuilder/erc20TransferAmountBuilder';
 import type { DeleGatorEnvironment } from '../../src/types';

packages/delegation-toolkit/test/caveatBuilder/erc721BalanceChangeBuilder.test.ts

@@ -1,6 +1,6 @@
-import { expect } from 'chai';
 import { encodePacked } from 'viem';
 import type { Address } from 'viem';
+import { expect, describe, it } from 'vitest';
 
 import { erc721BalanceChangeBuilder } from '../../src/caveatBuilder/erc721BalanceChangeBuilder';
 import { BalanceChangeType } from '../../src/caveatBuilder/types';