feat: split Passage from Zenith (#57)

Author: anna-carroll

.gas-snapshot

@@ -27,12 +27,12 @@ PassageTest:test_setUp() (gas: 16968)
 PassageTest:test_transact() (gas: 58562)
 PassageTest:test_transact_defaultChain() (gas: 57475)
 PassageTest:test_withdraw() (gas: 59033)
-ZenithTest:test_addSequencer() (gas: 88191)
-ZenithTest:test_badSignature() (gas: 37477)
-ZenithTest:test_incorrectHostBlock() (gas: 35310)
-ZenithTest:test_notSequencer() (gas: 34223)
-ZenithTest:test_notSequencerAdmin() (gas: 10193)
-ZenithTest:test_onePerBlock() (gas: 68463)
-ZenithTest:test_removeSequencer() (gas: 39857)
-ZenithTest:test_setUp() (gas: 8434)
-ZenithTest:test_submitBlock() (gas: 63468)
+ZenithTest:test_addSequencer() (gas: 88121)
+ZenithTest:test_badSignature() (gas: 37241)
+ZenithTest:test_incorrectHostBlock() (gas: 35086)
+ZenithTest:test_notSequencer() (gas: 34076)
+ZenithTest:test_notSequencerAdmin() (gas: 10125)
+ZenithTest:test_onePerBlock() (gas: 68193)
+ZenithTest:test_removeSequencer() (gas: 39665)
+ZenithTest:test_setUp() (gas: 8366)
+ZenithTest:test_submitBlock() (gas: 63333)

script/Zenith.s.sol

@@ -3,6 +3,7 @@ pragma solidity ^0.8.24;
 
 import {Script} from "forge-std/Script.sol";
 import {Zenith} from "../src/Zenith.sol";
+import {Passage} from "../src/Passage.sol";
 import {HostOrders, RollupOrders} from "../src/Orders.sol";
 
 contract ZenithScript is Script {
@@ -13,9 +14,10 @@ contract ZenithScript is Script {
         address withdrawalAdmin,
         address[] memory initialEnterTokens,
         address sequencerAdmin
-    ) public returns (Zenith z, HostOrders m) {
+    ) public returns (Zenith z, Passage p, HostOrders m) {
         vm.startBroadcast();
-        z = new Zenith(defaultRollupChainId, withdrawalAdmin, initialEnterTokens, sequencerAdmin);
+        z = new Zenith(sequencerAdmin);
+        p = new Passage(defaultRollupChainId, withdrawalAdmin, initialEnterTokens);
         m = new HostOrders();
     }
 

src/Zenith.sol

@@ -3,7 +3,7 @@ pragma solidity ^0.8.24;
 
 import {Passage} from "./Passage.sol";
 
-contract Zenith is Passage {
+contract Zenith {
     /// @notice The address that is allowed to set/remove sequencers.
     address public immutable sequencerAdmin;
 
@@ -66,12 +66,7 @@ contract Zenith is Passage {
     /// @notice Emitted when a sequencer is added or removed.
     event SequencerSet(address indexed sequencer, bool indexed permissioned);
 
-    constructor(
-        uint256 _defaultRollupChainId,
-        address _withdrawalAdmin,
-        address[] memory initialEnterTokens,
-        address _sequencerAdmin
-    ) Passage(_defaultRollupChainId, _withdrawalAdmin, initialEnterTokens) {
+    constructor(address _sequencerAdmin) {
         sequencerAdmin = _sequencerAdmin;
         deployBlockNumber = block.number;
     }

test/Helpers.t.sol

@@ -18,13 +18,7 @@ contract HelpersTest is Test {
 
     function setUp() public {
         vm.createSelectFork("https://rpc.holesky.ethpandaops.io");
-        address[] memory initialEnterTokens;
-        target = new Zenith(
-            block.chainid + 1,
-            0x11Aa4EBFbf7a481617c719a2Df028c9DA1a219aa,
-            initialEnterTokens,
-            0x29403F107781ea45Bf93710abf8df13F67f2008f
-        );
+        target = new Zenith(0x29403F107781ea45Bf93710abf8df13F67f2008f);
     }
 
     function check_signature() public {

test/Zenith.t.sol

@@ -26,8 +26,7 @@ contract ZenithTest is Test {
     event SequencerSet(address indexed sequencer, bool indexed permissioned);
 
     function setUp() public {
-        address[] memory initialEnterTokens;
-        target = new Zenith(block.chainid + 1, address(this), initialEnterTokens, address(this));
+        target = new Zenith(address(this));
         target.addSequencer(vm.addr(sequencerKey));
 
         // set default block values