From 3ef8cb5f17fd619b05889cf92c484a2ee36cb488 Mon Sep 17 00:00:00 2001
From: Guilherme Dantas <guidanoli@proton.me>
Date: Thu, 3 Oct 2024 14:18:34 -0300
Subject: [PATCH] feat!: make quorum factory return interface

---
 .changeset/nine-grapes-pull.md                    |  5 +++++
 contracts/consensus/quorum/IQuorumFactory.sol     |  8 ++++----
 contracts/consensus/quorum/QuorumFactory.sol      | 11 ++++++-----
 test/foundry/consensus/quorum/QuorumFactory.t.sol | 10 +++++-----
 4 files changed, 20 insertions(+), 14 deletions(-)
 create mode 100644 .changeset/nine-grapes-pull.md

diff --git a/.changeset/nine-grapes-pull.md b/.changeset/nine-grapes-pull.md
new file mode 100644
index 00000000..c32719d8
--- /dev/null
+++ b/.changeset/nine-grapes-pull.md
@@ -0,0 +1,5 @@
+---
+"@cartesi/rollups": major
+---
+
+Make `IQuorumFactory` functions return `IQuorum`
diff --git a/contracts/consensus/quorum/IQuorumFactory.sol b/contracts/consensus/quorum/IQuorumFactory.sol
index 52dd9890..5b838e57 100644
--- a/contracts/consensus/quorum/IQuorumFactory.sol
+++ b/contracts/consensus/quorum/IQuorumFactory.sol
@@ -3,7 +3,7 @@
 
 pragma solidity ^0.8.8;
 
-import {Quorum} from "./Quorum.sol";
+import {IQuorum} from "./IQuorum.sol";
 
 /// @title Quorum Factory interface
 interface IQuorumFactory {
@@ -12,7 +12,7 @@ interface IQuorumFactory {
     /// @notice A new quorum was deployed.
     /// @param quorum The quorum
     /// @dev MUST be triggered on a successful call to `newQuorum`.
-    event QuorumCreated(Quorum quorum);
+    event QuorumCreated(IQuorum quorum);
 
     // Permissionless functions
 
@@ -26,7 +26,7 @@ interface IQuorumFactory {
     function newQuorum(
         address[] calldata validators,
         uint256 epochLength
-    ) external returns (Quorum);
+    ) external returns (IQuorum);
 
     /// @notice Deploy a new quorum deterministically.
     /// @param validators the list of validators
@@ -40,7 +40,7 @@ interface IQuorumFactory {
         address[] calldata validators,
         uint256 epochLength,
         bytes32 salt
-    ) external returns (Quorum);
+    ) external returns (IQuorum);
 
     /// @notice Calculate the address of a quorum to be deployed deterministically.
     /// @param validators the list of validators
diff --git a/contracts/consensus/quorum/QuorumFactory.sol b/contracts/consensus/quorum/QuorumFactory.sol
index d8283111..855c6d6a 100644
--- a/contracts/consensus/quorum/QuorumFactory.sol
+++ b/contracts/consensus/quorum/QuorumFactory.sol
@@ -6,16 +6,17 @@ pragma solidity ^0.8.8;
 import {Create2} from "@openzeppelin/contracts/utils/Create2.sol";
 
 import {IQuorumFactory} from "./IQuorumFactory.sol";
+import {IQuorum} from "./IQuorum.sol";
 import {Quorum} from "./Quorum.sol";
 
 /// @title Quorum Factory
-/// @notice Allows anyone to reliably deploy a new `Quorum` contract.
+/// @notice Allows anyone to reliably deploy a new `IQuorum` contract.
 contract QuorumFactory is IQuorumFactory {
     function newQuorum(
         address[] calldata validators,
         uint256 epochLength
-    ) external override returns (Quorum) {
-        Quorum quorum = new Quorum(validators, epochLength);
+    ) external override returns (IQuorum) {
+        IQuorum quorum = new Quorum(validators, epochLength);
 
         emit QuorumCreated(quorum);
 
@@ -26,8 +27,8 @@ contract QuorumFactory is IQuorumFactory {
         address[] calldata validators,
         uint256 epochLength,
         bytes32 salt
-    ) external override returns (Quorum) {
-        Quorum quorum = new Quorum{salt: salt}(validators, epochLength);
+    ) external override returns (IQuorum) {
+        IQuorum quorum = new Quorum{salt: salt}(validators, epochLength);
 
         emit QuorumCreated(quorum);
 
diff --git a/test/foundry/consensus/quorum/QuorumFactory.t.sol b/test/foundry/consensus/quorum/QuorumFactory.t.sol
index d967ae03..1494ff17 100644
--- a/test/foundry/consensus/quorum/QuorumFactory.t.sol
+++ b/test/foundry/consensus/quorum/QuorumFactory.t.sol
@@ -5,7 +5,7 @@
 pragma solidity ^0.8.22;
 
 import {QuorumFactory, IQuorumFactory} from "contracts/consensus/quorum/QuorumFactory.sol";
-import {Quorum} from "contracts/consensus/quorum/Quorum.sol";
+import {IQuorum} from "contracts/consensus/quorum/IQuorum.sol";
 import {Vm} from "forge-std/Vm.sol";
 
 import {TestBase} from "../../util/TestBase.sol";
@@ -37,7 +37,7 @@ contract QuorumFactoryTest is TestBase {
 
         vm.recordLogs();
 
-        Quorum quorum = _factory.newQuorum(validators, epochLength);
+        IQuorum quorum = _factory.newQuorum(validators, epochLength);
 
         _testNewQuorumAux(validators, epochLength, quorum);
     }
@@ -60,7 +60,7 @@ contract QuorumFactoryTest is TestBase {
 
         vm.recordLogs();
 
-        Quorum quorum = _factory.newQuorum(validators, epochLength, salt);
+        IQuorum quorum = _factory.newQuorum(validators, epochLength, salt);
 
         _testNewQuorumAux(validators, epochLength, quorum);
 
@@ -84,7 +84,7 @@ contract QuorumFactoryTest is TestBase {
     function _testNewQuorumAux(
         address[] memory validators,
         uint256 epochLength,
-        Quorum quorum
+        IQuorum quorum
     ) internal {
         Vm.Log[] memory entries = vm.getRecordedLogs();
 
@@ -97,7 +97,7 @@ contract QuorumFactoryTest is TestBase {
                 entry.topics[0] == IQuorumFactory.QuorumCreated.selector
             ) {
                 ++numQuorumCreated;
-                Quorum eventQuorum = abi.decode(entry.data, (Quorum));
+                IQuorum eventQuorum = abi.decode(entry.data, (IQuorum));
                 assertEq(address(eventQuorum), address(quorum));
             }
         }