Update for Hardhat 3

hardhat.config.ts

@@ -4,22 +4,34 @@ import './tasks/generate_eip_712';
 import './tasks/organize_test_files';
 import './tasks/rename_entity';
 import './tasks/scaffold_contract';
-import '@nomicfoundation/hardhat-chai-matchers';
-import '@nomicfoundation/hardhat-ethers';
-import '@solidstate/hardhat-4byte-uploader';
-import '@typechain/hardhat';
-import 'hardhat-abi-exporter';
-import 'hardhat-contract-sizer';
+import HardhatEthers from '@nomicfoundation/hardhat-ethers';
+import HardhatEthersChaiMatchers from '@nomicfoundation/hardhat-ethers-chai-matchers';
+import HardhatTypechain from '@nomicfoundation/hardhat-typechain';
+import HardhatAbiExporter from '@solidstate/hardhat-abi-exporter';
+import HardhatContractSizer from '@solidstate/hardhat-contract-sizer';
+import HardhatLicenseIdentifier from '@solidstate/hardhat-license-identifier';
+import HardhatLinearization from '@solidstate/hardhat-linearization';
+import HardhatSelectorUploader from '@solidstate/hardhat-selector-uploader';
 import 'hardhat-exposed';
 import 'hardhat-gas-reporter';
-import 'hardhat-linearization';
-import 'hardhat-spdx-license-identifier';
-import { HardhatUserConfig } from 'hardhat/types';
+import { type HardhatUserConfig } from 'hardhat/config';
 import 'solidity-coverage';
 
 const config: HardhatUserConfig = {
+  plugins: [
+    HardhatEthers,
+    HardhatEthersChaiMatchers,
+    HardhatTypechain,
+    HardhatAbiExporter,
+    HardhatContractSizer,
+    HardhatLicenseIdentifier,
+    HardhatLinearization,
+    HardhatSelectorUploader,
+  ],
+
   networks: {
     hardhat: {
+      type: 'edr',
       allowUnlimitedContractSize: true,
     },
   },
@@ -40,7 +52,7 @@ const config: HardhatUserConfig = {
     clear: true,
     flat: true,
     // do not export internal or test ABIs, including those generated by hardhat-exposed
-    except: ['_.*', '.*Test$', '[$].*'],
+    except: [/_.*/, /.*Test$/, /[$].*/],
   },
 
   gasReporter: {
@@ -49,7 +61,7 @@ const config: HardhatUserConfig = {
     outputFile: './gasreport.txt',
   },
 
-  spdxLicenseIdentifier: {
+  licenseIdentifier: {
     overwrite: false,
     runOnCompile: true,
   },

package.json

@@ -3,6 +3,7 @@
   "private": true,
   "license": "MIT",
   "author": "Nick Barry",
+  "type": "module",
   "scripts": {
     "build": "pnpm clean && hardhat compile && lerna run build",
     "clean": "hardhat clean && lerna run clean",
@@ -11,34 +12,36 @@
     "test": "pnpm hardhat test"
   },
   "devDependencies": {
-    "@nomicfoundation/hardhat-chai-matchers": "^2.0.9",
-    "@nomicfoundation/hardhat-ethers": "^3.0.9",
-    "@nomicfoundation/hardhat-network-helpers": "^1.0.13",
-    "@solidstate/hardhat-4byte-uploader": "^1.2.3",
+    "@nomicfoundation/hardhat-ethers": "4.0.0-next.21",
+    "@nomicfoundation/hardhat-ethers-chai-matchers": "3.0.0-next.21",
+    "@nomicfoundation/hardhat-network-helpers": "3.0.0-next.21",
+    "@nomicfoundation/hardhat-typechain": "3.0.0-next.0",
+    "@solidstate/hardhat-abi-exporter": "3.0.0-next.2",
+    "@solidstate/hardhat-contract-sizer": "3.0.0-next.1",
+    "@solidstate/hardhat-license-identifier": "3.0.0-next.1",
+    "@solidstate/hardhat-linearization": "1.0.0-next.1",
+    "@solidstate/hardhat-selector-uploader": "2.0.0-next.0",
     "@solidstate/library": "link:lib",
     "@solidstate/spec": "link:spec",
     "@solidstate/typechain-types": "link:typechain-types",
     "@trivago/prettier-plugin-sort-imports": "^5.2.2",
+    "@tsconfig/node22": "^22.0.2",
     "@typechain/ethers-v6": "^0.5.1",
-    "@typechain/hardhat": "^9.1.0",
     "@types/chai": "^5.2.2",
     "@types/delete-empty": "^3.0.5",
     "@types/ejs": "^3.1.5",
     "@types/git-diff": "^2.0.7",
     "@types/mocha": "^10.0.10",
     "@types/node": "^24.0.10",
-    "chai": "^4.5.0",
+    "chai": "^5.2.0",
     "delete-empty": "^3.0.0",
     "ejs": "^3.1.10",
     "ethers": "^6.15.0",
     "git-diff": "^2.0.6",
-    "hardhat": "^2.25.0",
-    "hardhat-abi-exporter": "^2.11.0",
-    "hardhat-contract-sizer": "^2.10.0",
+    "hardhat": "3.0.0-next.21",
     "hardhat-exposed": "^0.3.19",
     "hardhat-gas-reporter": "^2.3.0",
     "hardhat-linearization": "^0.1.1",
-    "hardhat-spdx-license-identifier": "^2.3.1",
     "husky": "^9.1.7",
     "keccak256": "^1.0.6",
     "knip": "^5.61.3",