Updates to support contract verification via etherscan V2 API (#1166)

Co-authored-by: Eric Lau <[email protected]>

Author: rokso

.changeset/witty-zebras-fold.md

@@ -0,0 +1,9 @@
+---
+'@openzeppelin/hardhat-upgrades': patch
+---
+
+Support contract verification via etherscan V2 API.
+- **Potentially breaking changes**: Changes peer dependencies to the following:
+  - `"@nomicfoundation/hardhat-ethers": "^3.0.6"`
+  - `"@nomicfoundation/hardhat-verify": "^2.0.14"`
+  - `"hardhat": "^2.24.1"`

packages/plugin-hardhat/package.json

@@ -20,14 +20,14 @@
     "test:watch": "fgbg 'bash scripts/test.sh --watch' 'tsc -b --watch' --"
   },
   "devDependencies": {
-    "@nomicfoundation/hardhat-ethers": "^3.0.5",
-    "@nomicfoundation/hardhat-verify": "^2.0.0",
+    "@nomicfoundation/hardhat-ethers": "^3.0.6",
+    "@nomicfoundation/hardhat-verify": "^2.0.14",
     "@openzeppelin/contracts": "5.3.0",
     "@openzeppelin/contracts-upgradeable": "5.3.0",
     "@types/mocha": "^7.0.2",
     "ava": "^6.0.0",
     "fgbg": "^0.1.4",
-    "hardhat": "^2.19.1",
+    "hardhat": "^2.24.1",
     "promisified": "^0.5.0",
     "proxyquire": "^2.1.3",
     "rimraf": "^5.0.0",
@@ -45,10 +45,10 @@
     "undici": "^6.11.1"
   },
   "peerDependencies": {
-    "@nomicfoundation/hardhat-ethers": "^3.0.0",
-    "@nomicfoundation/hardhat-verify": "^2.0.0",
+    "@nomicfoundation/hardhat-ethers": "^3.0.6",
+    "@nomicfoundation/hardhat-verify": "^2.0.14",
     "ethers": "^6.6.0",
-    "hardhat": "^2.0.2"
+    "hardhat": "^2.24.1"
   },
   "peerDependenciesMeta": {
     "@nomicfoundation/hardhat-verify": {

packages/plugin-hardhat/src/utils/etherscan-api.ts

@@ -14,7 +14,7 @@ import { Etherscan } from '@nomicfoundation/hardhat-verify/etherscan';
  * @returns The Etherscan API response
  */
 export async function callEtherscanApi(etherscan: Etherscan, params: any): Promise<EtherscanResponseBody> {
-  const parameters = { ...params, apikey: etherscan.apiKey };
+  const parameters = { ...params, apikey: etherscan.apiKey, chainid: etherscan.chainId };
   const response = await request(etherscan.apiUrl, {
     method: 'POST',
     query: parameters,