Merge pull request #485 from moonwell-fi/feat/curve-multi-rewarder

CRV MultiRewarder Contract

.github/actions/action.yml

@@ -30,6 +30,10 @@ runs:
       run: forge compile --contracts proposals/
       shell: bash
 
+    - name: Compile MultiRewarder
+      run: forge compile --contracts crv-rewards/
+      shell: bash
+
     - name: Compile Contracts
       run: forge build
       shell: bash

.github/workflows/unit.yml

@@ -28,3 +28,12 @@ jobs:
            max_attempts: 3
            command: time forge test -vvv --match-contract UnitTest
 
+      - name: Run MultiRewards Tests
+        uses: nick-fields/retry@v3
+        with:
+           polling_interval_seconds: 30
+           retry_wait_seconds: 60
+           timeout_minutes: 20
+           max_attempts: 3
+           command: time forge test --match-path test/unit/MultiRewards.t.sol -vvv
+

crv-rewards/IMultiRewards.sol

@@ -0,0 +1,86 @@
+// SPDX-License-Identifier: GPL-3.0-or-later
+pragma solidity 0.8.19;
+
+interface IMultiRewards {
+    struct Reward {
+        address rewardsDistributor;
+        uint256 rewardsDuration;
+        uint256 periodFinish;
+        uint256 rewardRate;
+        uint256 lastUpdateTime;
+        uint256 rewardPerTokenStored;
+    }
+
+    // Events
+    event RewardAdded(uint256 reward);
+    event Staked(address indexed user, uint256 amount);
+    event Withdrawn(address indexed user, uint256 amount);
+    event RewardPaid(
+        address indexed user,
+        address indexed rewardsToken,
+        uint256 reward
+    );
+    event RewardsDurationUpdated(address token, uint256 newDuration);
+    event Recovered(address token, uint256 amount);
+    event OwnerNominated(address newOwner);
+    event OwnerChanged(address oldOwner, address newOwner);
+    event PauseChanged(bool isPaused);
+
+    // View functions
+    function owner() external view returns (address);
+    function nominatedOwner() external view returns (address);
+    function stakingToken() external view returns (address);
+    function rewardData(
+        address
+    )
+        external
+        view
+        returns (
+            address rewardsDistributor,
+            uint256 rewardsDuration,
+            uint256 periodFinish,
+            uint256 rewardRate,
+            uint256 lastUpdateTime,
+            uint256 rewardPerTokenStored
+        );
+    function rewardTokens(uint256) external view returns (address);
+    function totalSupply() external view returns (uint256);
+    function balanceOf(address account) external view returns (uint256);
+    function lastTimeRewardApplicable(
+        address _rewardsToken
+    ) external view returns (uint256);
+    function rewardPerToken(
+        address _rewardsToken
+    ) external view returns (uint256);
+    function earned(
+        address account,
+        address _rewardsToken
+    ) external view returns (uint256);
+    function getRewardForDuration(
+        address _rewardsToken
+    ) external view returns (uint256);
+
+    // Mutative functions
+    function nominateNewOwner(address _owner) external;
+    function acceptOwnership() external;
+    function setPaused(bool _paused) external;
+    function addReward(
+        address _rewardsToken,
+        address _rewardsDistributor,
+        uint256 _rewardsDuration
+    ) external;
+    function setRewardsDistributor(
+        address _rewardsToken,
+        address _rewardsDistributor
+    ) external;
+    function stake(uint256 amount) external;
+    function withdraw(uint256 amount) external;
+    function getReward() external;
+    function exit() external;
+    function notifyRewardAmount(address _rewardsToken, uint256 reward) external;
+    function recoverERC20(address tokenAddress, uint256 tokenAmount) external;
+    function setRewardsDuration(
+        address _rewardsToken,
+        uint256 _rewardsDuration
+    ) external;
+}