feat: Scaffolding for DeployAuthSystemInput (ethereum-optimism#11889)

* feat: Scaffolding for DeployAuthSystemInput

* fix: Remove undefined import

* feat: Address feedback

packages/contracts-bedrock/scripts/DeployAuthSystem.s.sol

@@ -0,0 +1,54 @@
+// SPDX-License-Identifier: MIT
+pragma solidity 0.8.15;
+
+import { Script } from "forge-std/Script.sol";
+import { CommonBase } from "forge-std/Base.sol";
+import { stdToml } from "forge-std/StdToml.sol";
+
+import { GnosisSafe as Safe } from "safe-contracts/GnosisSafe.sol";
+
+import { DeployUtils } from "scripts/libraries/DeployUtils.sol";
+import { Solarray } from "scripts/libraries/Solarray.sol";
+
+// This file follows the pattern of Superchain.s.sol. Refer to that file for more details.
+contract DeployAuthSystemInput is CommonBase {
+    using stdToml for string;
+
+    // Generic safe inputs
+    // Note: these will need to be replaced with settings specific to the different Safes in the system.
+    uint256 internal _threshold;
+    address[] internal _owners;
+
+    function set(bytes4 _sel, uint256 _value) public {
+        if (_sel == this.threshold.selector) _threshold = _value;
+        else revert("DeployAuthSystemInput: unknown selector");
+    }
+
+    function set(bytes4 _sel, address[] memory _addrs) public {
+        if (_sel == this.owners.selector) {
+            require(_owners.length == 0, "DeployAuthSystemInput: owners already set");
+            for (uint256 i = 0; i < _addrs.length; i++) {
+                _owners.push(_addrs[i]);
+            }
+        } else {
+            revert("DeployAuthSystemInput: unknown selector");
+        }
+    }
+
+    function loadInputFile(string memory _infile) public {
+        string memory toml = vm.readFile(_infile);
+
+        set(this.threshold.selector, toml.readUint(".safe.threshold"));
+        set(this.owners.selector, toml.readAddressArray(".safe.owners"));
+    }
+
+    function threshold() public view returns (uint256) {
+        require(_threshold != 0, "DeployAuthSystemInput: threshold not set");
+        return _threshold;
+    }
+
+    function owners() public view returns (address[] memory) {
+        require(_owners.length != 0, "DeployAuthSystemInput: owners not set");
+        return _owners;
+    }
+}

packages/contracts-bedrock/test/DeployAuthSystem.t.sol

@@ -0,0 +1,57 @@
+// SPDX-License-Identifier: MIT
+pragma solidity 0.8.15;
+
+import { Test } from "forge-std/Test.sol";
+import { stdToml } from "forge-std/StdToml.sol";
+import { Solarray } from "scripts/libraries/Solarray.sol";
+
+import { DeployAuthSystemInput } from "scripts/DeployAuthSystem.s.sol";
+
+contract DeployAuthSystemInput_Test is Test {
+    DeployAuthSystemInput dasi;
+
+    uint256 threshold = 5;
+    address[] owners;
+
+    function setUp() public {
+        dasi = new DeployAuthSystemInput();
+        address[] memory _owners = Solarray.addresses(
+            0x1111111111111111111111111111111111111111,
+            0x2222222222222222222222222222222222222222,
+            0x3333333333333333333333333333333333333333,
+            0x4444444444444444444444444444444444444444,
+            0x5555555555555555555555555555555555555555,
+            0x6666666666666666666666666666666666666666,
+            0x7777777777777777777777777777777777777777
+        );
+
+        for (uint256 i = 0; i < _owners.length; i++) {
+            owners.push(_owners[i]);
+        }
+    }
+
+    function test_loadInputFile_succeeds() public {
+        string memory root = vm.projectRoot();
+        string memory path = string.concat(root, "/test/fixtures/test-deploy-auth-system-in.toml");
+
+        dasi.loadInputFile(path);
+
+        assertEq(threshold, dasi.threshold(), "100");
+        assertEq(owners.length, dasi.owners().length, "200");
+    }
+
+    function test_getters_whenNotSet_revert() public {
+        vm.expectRevert("DeployAuthSystemInput: threshold not set");
+        dasi.threshold();
+
+        vm.expectRevert("DeployAuthSystemInput: owners not set");
+        dasi.owners();
+    }
+
+    function test_setters_ownerAlreadySet_revert() public {
+        dasi.set(dasi.owners.selector, owners);
+
+        vm.expectRevert("DeployAuthSystemInput: owners already set");
+        dasi.set(dasi.owners.selector, owners);
+    }
+}

packages/contracts-bedrock/test/fixtures/test-deploy-auth-system-in.toml

@@ -0,0 +1,11 @@
+[safe]
+threshold = 5
+owners = [
+    "0x1111111111111111111111111111111111111111",
+    "0x2222222222222222222222222222222222222222",
+    "0x3333333333333333333333333333333333333333",
+    "0x4444444444444444444444444444444444444444",
+    "0x5555555555555555555555555555555555555555",
+    "0x6666666666666666666666666666666666666666",
+    "0x7777777777777777777777777777777777777777"
+]