bump hardhat to 2.17.1 -> 2.22.17

Author: thelostone-mc

contracts-core/package.json

@@ -33,7 +33,7 @@
     "ethereum-waffle": "^3.2.0",
     "ethers": "5.7.2",
     "fs-extra": "^9.0.1",
-    "hardhat": "^2.17.1",
+    "hardhat": "^2.22.17",
     "hardhat-gas-reporter": "^1.0.4",
     "husky": "^4.3.0",
     "mocha": "^8.1.3",

umbra-js/hardhat.config.ts

@@ -43,6 +43,8 @@ const config: HardhatUserConfig = {
     hardhat: {
       forking: {
         url: rpcUrlString,
+        // Pin block for deterministic tests and to avoid post-merge totalDifficulty RPC issues in CI.
+        blockNumber: 5_500_000,
       },
       chainId: chainIds.hardhat,
       accounts: {

umbra-js/package.json

@@ -40,7 +40,7 @@
     "eslint-config-prettier": "^8.2.0",
     "eslint-plugin-chai-friendly": "^0.6.0",
     "eslint-plugin-import": "^2.20.2",
-    "hardhat": "2.17.1",
+    "hardhat": "^2.22.17",
     "mocha": "^8.3.2",
     "nyc": "^15.1.0",
     "ts-node": "^9.0.0",