update for deployment

contracts/WGhost.sol

@@ -7,7 +7,7 @@ import "@openzeppelin/contracts-upgradeable/proxy/utils/Initializable.sol";
 import "@openzeppelin/contracts-upgradeable/proxy/utils/UUPSUpgradeable.sol";
 import "@openzeppelin/contracts/utils/cryptography/ECDSA.sol";
 
-contract WGhost is Initializable, ERC20Upgradeable, OwnableUpgradeable, UUPSUpgradeable {
+contract WGhostV1 is Initializable, ERC20Upgradeable, OwnableUpgradeable, UUPSUpgradeable {
     using ECDSA for bytes32;
 
     address public contractOwner;
@@ -25,9 +25,7 @@ contract WGhost is Initializable, ERC20Upgradeable, OwnableUpgradeable, UUPSUpgr
     }
 
     /// @custom:oz-upgrades-unsafe-allow constructor
-    constructor() {
-        _disableInitializers();
-    }
+    constructor() initializer {}
 
     function initialize() initializer public {
         __ERC20_init("Wrapped Ghost", "WGhost");

migrations/2_deploy_contracts.js

@@ -1,5 +1,8 @@
-const WGhost = artifacts.require("WGhost");
+const { deployProxy } = require('@openzeppelin/truffle-upgrades');
 
-module.exports = function(deployer) {
-  deployer.deploy(WGhost);
-};
+const WGhost = artifacts.require('WGhostV1');
+
+module.exports = async function (deployer) {
+  const instance = await deployProxy(WGhost, { deployer, kind: 'uups'});
+  console.log('Deployed', instance.address);
+};

migrations/3_deploy_upgreadable.js.sample

@@ -0,0 +1,12 @@
+// Example to use while doing upgrades
+
+const { upgradeProxy } = require('@openzeppelin/truffle-upgrades');
+
+const WGhost = artifacts.require('WGhost');
+const WGhostV2 = artifacts.require('WGhostV2');
+
+module.exports = async function (deployer) {
+  const existing = await WGhost.deployed();
+  const instance = await upgradeProxy(existing.address, WGhostV2, { deployer });
+  console.log("Upgraded", instance.address);
+};

package.json

@@ -38,7 +38,7 @@
     "yargs": "^12.0.2"
   },
   "devDependencies": {
-    "@openzeppelin/truffle-upgrades": "^1.18.0",
+    "@openzeppelin/truffle-upgrades": "^1.19.0",
     "truffle-hdwallet-provider-privkey": "^0.3.0"
   }
 }