feat: downgrade @openzeppelin/[email protected]

contracts/Token.sol

@@ -2,7 +2,7 @@
 pragma solidity >=0.8.20;
 
 import "@openzeppelin/contracts/access/Ownable.sol";
-import "@openzeppelin/contracts/utils/Pausable.sol";
+import "@openzeppelin/contracts/security/Pausable.sol";
 import "@openzeppelin/contracts/token/ERC20/ERC20.sol";
 
 /// @title Kolektivo TTD Token
@@ -18,7 +18,7 @@ contract KolektivoTTD is Ownable, Pausable, ERC20 {
     /// @dev Check this list on transfer for special events
     mapping(address => bool) _isImpactPartner;
 
-    constructor() ERC20("Kolektivo Trinidad & Tobago Dollar", "KTTD") Ownable(msg.sender) {}
+    constructor() ERC20("Kolektivo Trinidad & Tobago Dollar", "KTTD") Ownable() {}
 
     /// @notice Disburse tokens to an account.
     /// @dev Only the owner can disburse tokens, and they are
@@ -37,11 +37,11 @@ contract KolektivoTTD is Ownable, Pausable, ERC20 {
         super._transfer(address(this), address(0), amount);
     }
 
-    function _update(address from, address to, uint256 amount) internal virtual override {
+    function _beforeTokenTransfer(address from, address to, uint256 amount) internal virtual override {
         if (_isImpactPartner[to]) {
             emit ImpactPartnerTransfer(from, to, amount);
         }
-        super._update(from, to, amount);
+        super._beforeTokenTransfer(from, to, amount);
     }
 
     function addPartner(address account) external onlyOwner {

deploy/deploy.ts

@@ -4,6 +4,13 @@ import { HardhatRuntimeEnvironment } from "hardhat/types";
 const func: DeployFunction = async function (hre: HardhatRuntimeEnvironment) {
   const { deployer } = await hre.getNamedAccounts();
   const { deploy } = hre.deployments;
+
+  const token = await deploy("KolektivoTTD", {
+    from: deployer,
+    log: true,
+  });
+
+  console.log("Token deployed to:", token.address);
 };
 
 export default func;

package.json

@@ -77,7 +77,7 @@
     "typechain": "cross-env TS_NODE_TRANSPILE_ONLY=true hardhat typechain"
   },
   "dependencies": {
-    "@openzeppelin/contracts": "^5.0.1"
+    "@openzeppelin/contracts": "^4.9.4"
   },
   "packageManager": "[email protected]+sha512.a6b2f7906b721bba3d67d4aff083df04dad64c399707841b7acf00f6b133b7ac24255f2652fa22ae3534329dc6180534e98d17432037ff6fd140556e2bb3137e"
 }

test/minting.test.ts

@@ -50,14 +50,15 @@ describe("Minting", function () {
       const [_, alice] = await ethers.getSigners();
       await this.token.connect(this.signers.admin).mint(alice.address, 100n);
       await this.token.connect(this.signers.admin).pause();
+      await expect(await this.token.connect(this.signers.admin).paused()).to.be.true;
     });
 
     it("cannot mint when paused", async function () {
       const transferAmount = 100n;
       const [_, bob] = await ethers.getSigners();
-      await expect(
-        this.token.connect(this.signers.admin).mint(bob.address, transferAmount),
-      ).to.be.revertedWithCustomError(this.token, "EnforcedPause");
+      await expect(this.token.connect(this.signers.admin).mint(bob.address, transferAmount)).to.be.revertedWith(
+        "Pausable: paused",
+      );
     });
   });
 });

test/transfer.test.ts

@@ -46,10 +46,7 @@ describe("Transfering", function () {
     it("can transfer when paused", async function () {
       const transferAmount = 100n;
       const [_, alice, bob] = await ethers.getSigners();
-      await expect(this.token.connect(alice).transfer(bob.address, transferAmount)).to.not.be.revertedWithCustomError(
-        this.token,
-        "EnforcedPause",
-      );
+      await expect(this.token.connect(alice).transfer(bob.address, transferAmount)).to.not.be.reverted;
     });
   });