chore: [#1] Added UpgradeableProxy since hardhat-etherscan couldn't f…

…ind the OZ one

README.md

@@ -64,16 +64,32 @@ npm run build
 
 Set up a `.secrets.json` file that looks similar to `example.secrets.json`:
 
-After deploying your contract, you can verify it by running the following:
+After deploying your contract, you can verify it by running the following.
 
 ### Rinkeby
 ```
 npx hardhat verify --network rinkeby CONTRACT_ADDRESS
 ```
 
+For a proxy contract, you'll need to pass the arguments to the proxy contract, and pass the contract as well:
+
+```
+npx hardhat verify --network rinkeby \
+  --contract contracts/common/UpgradeableProxy.sol:UpgradeableProxy \
+  --constructor-args examples/parcelNFTConstructorParams.js \
+  CONTRACT_ADDRESS
+```
+
 ### Mainnet
 ```
 npx hardhat verify --network rinkeby CONTRACT_ADDRESS
 ```
 
+```
+npx hardhat verify --network mainnet \
+  --contract contracts/common/UpgradeableProxy.sol:UpgradeableProxy \
+  --constructor-args examples/parcelNFTConstructorParams.js \
+  CONTRACT_ADDRESS
+```
+
 See [hardhat-etherscan](https://hardhat.org/plugins/nomiclabs-hardhat-etherscan.html) for more examples

contracts/common/UpgradeableProxy.sol

@@ -0,0 +1,11 @@
+// SPDX-License-Identifier: GPL-3.0-only
+
+pragma solidity ^0.8.9;
+
+import '@openzeppelin/contracts/proxy/ERC1967/ERC1967Proxy.sol';
+
+// needed to be able to use the proxy for verification
+contract UpgradeableProxy is ERC1967Proxy {
+  // solhint-disable-next-line no-empty-blocks
+  constructor(address _logic, bytes memory _data) payable ERC1967Proxy(_logic, _data) {}
+}

examples/parcelNFTConstructorParams.js

@@ -0,0 +1,8 @@
+const { buildParcelNFTInitFunction } = require('../dist/src/contracts/parcelNFT');
+module.exports = [
+  '0xc0cA359c8ce6De21B98fC6c7921a08703f453Fe9',
+  buildParcelNFTInitFunction({
+    name: 'ParcelNFT Test 2022-05-07-02',
+    symbol: 'PT050702',
+  }),
+];

src/contracts/upgradeableProxy.ts

@@ -1,7 +1,7 @@
 import { TransactionRequest } from '@ethersproject/providers';
 import { Signer } from 'ethers';
 import { BytesLike } from 'ethers/lib/utils';
-import { ERC1967Proxy__factory } from '../../types/contracts';
+import { UpgradeableProxy__factory } from '../../types/contracts';
 import { ContractAddress } from '../constants/accounts';
 
 /**
@@ -16,7 +16,7 @@ export const deployUpgradeableProxy = async (
   signer: Signer,
   logicAddress: ContractAddress,
   initFunction: BytesLike = '0x',
-) => new ERC1967Proxy__factory(signer).deploy(logicAddress, initFunction);
+) => new UpgradeableProxy__factory(signer).deploy(logicAddress, initFunction);
 
 /**
  * Build a transaction to deploy an upgradeable proxy contract with the given contract address
@@ -28,4 +28,4 @@ export const deployUpgradeableProxy = async (
 export const buildDeployUpgradeableProxyTransactionRequest = (
   logicAddress: ContractAddress,
   initFunction: BytesLike = '0x',
-): TransactionRequest => new ERC1967Proxy__factory().getDeployTransaction(logicAddress, initFunction);
+): TransactionRequest => new UpgradeableProxy__factory().getDeployTransaction(logicAddress, initFunction);