feat: establish UUPS bank V1

2026-08-17 16:54:31 -06:00
parent 1f4175ba72
commit 0664eb4688
4 changed files with 192 additions and 5 deletions
@@ -0,0 +1,94 @@
+// SPDX-License-Identifier: MIT
+pragma solidity 0.8.35;
+
+import {ERC1967Proxy} from "@openzeppelin/contracts/proxy/ERC1967/ERC1967Proxy.sol";
+import {Initializable} from "@openzeppelin/contracts/proxy/utils/Initializable.sol";
+import {UUPSUpgradeable} from "@openzeppelin/contracts/proxy/utils/UUPSUpgradeable.sol";
+import {OwnableUpgradeable} from "@openzeppelin/contracts-upgradeable/access/OwnableUpgradeable.sol";
+
+import {BankV1} from "../src/BankV1.sol";
+import {BankTestBase} from "./helpers/BankTestBase.sol";
+
+contract BankV1AdminTest is BankTestBase {
+    bytes32 private constant ERC1967_IMPLEMENTATION_SLOT =
+        0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc;
+
+    function testProxyStartsWithConfiguredAdministrationAndEmptyAccounting() public view {
+        assertEq(address(bank.asset()), address(token));
+        assertEq(bank.owner(), owner);
+        assertFalse(bank.paused());
+        assertEq(bank.balanceOf(alice), 0);
+        assertEq(bank.totalLiabilities(), 0);
+        assertEq(bank.contractVersion(), 1);
+    }
+
+    function testInitializationChecksZeroAssetBeforeZeroOwner() public {
+        vm.expectRevert(abi.encodeWithSelector(BankV1.InvalidAsset.selector, address(0)));
+        new ERC1967Proxy(implementation, abi.encodeCall(BankV1.initialize, (address(0), address(0))));
+    }
+
+    function testInitializationRejectsZeroOwner() public {
+        vm.expectRevert(abi.encodeWithSelector(OwnableUpgradeable.OwnableInvalidOwner.selector, address(0)));
+        new ERC1967Proxy(implementation, abi.encodeCall(BankV1.initialize, (address(token), address(0))));
+    }
+
+    function testProxyCannotBeInitializedTwice() public {
+        vm.expectRevert(Initializable.InvalidInitialization.selector);
+        bank.initialize(address(token), owner);
+    }
+
+    function testImplementationCannotBeInitialized() public {
+        vm.expectRevert(Initializable.InvalidInitialization.selector);
+        BankV1(implementation).initialize(address(token), owner);
+    }
+
+    function testOwnerCanPauseAndUnpause() public {
+        vm.prank(owner);
+        bank.pause();
+        assertTrue(bank.paused());
+
+        vm.prank(owner);
+        bank.unpause();
+        assertFalse(bank.paused());
+    }
+
+    function testNonOwnerCannotPause() public {
+        vm.prank(stranger);
+        vm.expectRevert(abi.encodeWithSelector(OwnableUpgradeable.OwnableUnauthorizedAccount.selector, stranger));
+        bank.pause();
+    }
+
+    function testNonOwnerCannotUnpause() public {
+        vm.prank(owner);
+        bank.pause();
+
+        vm.prank(stranger);
+        vm.expectRevert(abi.encodeWithSelector(OwnableUpgradeable.OwnableUnauthorizedAccount.selector, stranger));
+        bank.unpause();
+    }
+
+    function testViewsRemainAvailableWhilePaused() public {
+        vm.prank(owner);
+        bank.pause();
+
+        assertEq(address(bank.asset()), address(token));
+        assertEq(bank.balanceOf(alice), 0);
+        assertEq(bank.totalLiabilities(), 0);
+        assertEq(bank.contractVersion(), 1);
+    }
+
+    function testNonOwnerCannotAuthorizeUpgrade() public {
+        vm.prank(stranger);
+        vm.expectRevert(abi.encodeWithSelector(OwnableUpgradeable.OwnableUnauthorizedAccount.selector, stranger));
+        bank.upgradeToAndCall(implementation, "");
+    }
+
+    function testImplementationExposesERC1967ProxiableUUID() public view {
+        assertEq(BankV1(implementation).proxiableUUID(), ERC1967_IMPLEMENTATION_SLOT);
+    }
+
+    function testProxyRejectsProxiableUUIDCall() public {
+        vm.expectRevert(UUPSUpgradeable.UUPSUnauthorizedCallContext.selector);
+        bank.proxiableUUID();
+    }
+}