Add proposer &minDelay as arguments to SubmitUpgradeProposalScript (#2)

* Add `proposer` and `minDelay` as arguments to SubmitUpgradeProposalScript

* Use proposer addresse defined in .env

Author: garyghayrat

script/SubmitUpgradeProposalScript.s.sol

@@ -9,12 +9,10 @@ import {GovernorUpgradeable} from "openzeppelin-upgradeable-v5/governance/Govern
 import {CreateL2ArbSysProposal} from "script/helpers/CreateL2ArbSysProposal.sol";
 
 contract SubmitUpgradeProposalScript is Script, SharedGovernorConstants, CreateL2ArbSysProposal {
-    // TODO: Update `PROPOSER` to script msg.sender who will submit the proposal.
-    address PROPOSER = 0x1B686eE8E31c5959D9F5BBd8122a58682788eeaD; // L2Beat
-    // TODO: Update `minDelay` to latest getMinDelay() from L1Timelock.
-    uint256 minDelay = 259_200;
+    address PROPOSER_ADDRESS =
+        vm.envOr("PROPOSER_ADDRESS", 0x1B686eE8E31c5959D9F5BBd8122a58682788eeaD); //L2Beat
 
-    function run(address _timelockRolesUpgrader)
+    function run(address _timelockRolesUpgrader, uint256 _minDelay)
         public
         returns (
             address[] memory targets,
@@ -24,10 +22,10 @@ contract SubmitUpgradeProposalScript is Script, SharedGovernorConstants, CreateL
             uint256 _proposalId
         )
     {
-        return proposeUpgrade(_timelockRolesUpgrader);
+        return proposeUpgrade(_timelockRolesUpgrader, _minDelay);
     }
 
-    function proposeUpgrade(address _timelockRolesUpgrader)
+    function proposeUpgrade(address _timelockRolesUpgrader, uint256 _minDelay)
         internal
         returns (
             address[] memory _targets,
@@ -85,8 +83,8 @@ contract SubmitUpgradeProposalScript is Script, SharedGovernorConstants, CreateL
   By approving this proposal, the Arbitrum DAO will upgrade its governance infrastructure, enabling new features and improvements in the governance process. \
   ";
         (_targets, _values, _calldatas) =
-            createL2ArbSysProposal(_description, _timelockRolesUpgrader, minDelay);
-        vm.startBroadcast(PROPOSER);
+            createL2ArbSysProposal(_description, _timelockRolesUpgrader, _minDelay);
+        vm.startBroadcast(PROPOSER_ADDRESS);
         _proposalId = GovernorUpgradeable(payable(L2_CORE_GOVERNOR)).propose(
             _targets, _values, _calldatas, _description
         );

test/L2ArbitrumGovernorV2.t.sol

@@ -123,7 +123,7 @@ abstract contract L2ArbitrumGovernorV2Test is SetupNewGovernors {
             bytes[] memory _calldatas,
             string memory _description,
             uint256 _proposalId
-        ) = submitUpgradeProposalScript.run(address(timelockRolesUpgrader));
+        ) = submitUpgradeProposalScript.run(address(timelockRolesUpgrader), L1_TIMELOCK_MIN_DELAY);
 
         vm.roll(vm.getBlockNumber() + currentCoreGovernor.votingDelay() + 1);
         assertEq(
@@ -1091,7 +1091,7 @@ abstract contract Queue is L2ArbitrumGovernorV2Test {
             /*string memory _description*/
             ,
             uint256 _proposalId
-        ) = submitUpgradeProposalScript.run(address(timelockRolesUpgrader));
+        ) = submitUpgradeProposalScript.run(address(timelockRolesUpgrader), L1_TIMELOCK_MIN_DELAY);
 
         vm.roll(vm.getBlockNumber() + currentCoreGovernor.votingDelay() + 1);
         assertEq(