-
Notifications
You must be signed in to change notification settings - Fork 91
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
Merge pull request #956 from zugdev/development
feat: add an AMO minter and an Aave AMO
- Loading branch information
Showing
14 changed files
with
1,300 additions
and
3 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1 @@ | ||
| Sections of this software is licensed under the GNU GPL-2.0-or-later. You can find the source code at: https://github.com/FraxFinance. |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Submodule aave-v3-core
added at
b74526
Submodule aave-v3-periphery
added at
72fdcc
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,192 @@ | ||
| // SPDX-License-Identifier: GPL-2.0-or-later | ||
| pragma solidity 0.8.19; | ||
|
|
||
| import {UbiquityAmoMinter} from "../core/UbiquityAmoMinter.sol"; | ||
| import {IAmo} from "../interfaces/IAmo.sol"; | ||
| import {ERC20} from "@openzeppelin/contracts/token/ERC20/ERC20.sol"; | ||
| import {SafeERC20} from "@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol"; | ||
| import {Ownable} from "@openzeppelin/contracts/access/Ownable.sol"; | ||
| import {IPool} from "@aavev3-core/contracts/interfaces/IPool.sol"; | ||
| import {IRewardsController} from "@aavev3-periphery/contracts/rewards/interfaces/IRewardsController.sol"; | ||
|
|
||
| /** | ||
| * @title AaveAmo | ||
| * @notice AMO to interact with Aave V3: supply and manage rewards. | ||
| * @notice Can receive collateral from UbiquityAmoMinter and interact with Aave's V3 pool. | ||
| */ | ||
| contract AaveAmo is IAmo, Ownable { | ||
| using SafeERC20 for ERC20; | ||
|
|
||
| /// @notice UbiquityAmoMinter instance | ||
| UbiquityAmoMinter public amoMinter; | ||
|
|
||
| /// @notice Aave V3 pool instance | ||
| IPool public immutable aavePool; | ||
|
|
||
| /// @notice Aave rewards controller | ||
| IRewardsController public immutable aaveRewardsController; | ||
|
|
||
| /* ========== CONSTRUCTOR ========== */ | ||
|
|
||
| /** | ||
| * @notice Initializes the contract with necessary parameters | ||
| * @param _ownerAddress Address of the contract owner | ||
| * @param _amoMinterAddress Address of the Ubiquity Amo minter | ||
| * @param _aavePool Address of the Aave pool | ||
| * @param _aaveRewardsController Address of the Aave rewards controller | ||
| */ | ||
| constructor( | ||
| address _ownerAddress, | ||
| address _amoMinterAddress, | ||
| address _aavePool, | ||
| address _aaveRewardsController | ||
| ) { | ||
| require(_ownerAddress != address(0), "Owner address cannot be zero"); | ||
| require( | ||
| _amoMinterAddress != address(0), | ||
| "Amo minter address cannot be zero" | ||
| ); | ||
| require(_aavePool != address(0), "Aave pool address cannot be zero"); | ||
| require( | ||
| _aaveRewardsController != address(0), | ||
| "Aave rewards controller address cannot be zero" | ||
| ); | ||
|
|
||
| // Set contract owner | ||
| transferOwnership(_ownerAddress); | ||
|
|
||
| // Set the Amo minter | ||
| amoMinter = UbiquityAmoMinter(_amoMinterAddress); | ||
|
|
||
| // Set the Aave pool | ||
| aavePool = IPool(_aavePool); | ||
|
|
||
| // Set the Aave rewards controller | ||
| aaveRewardsController = IRewardsController(_aaveRewardsController); | ||
| } | ||
|
|
||
| /* ========== Aave V3 + REWARDS ========== */ | ||
|
|
||
| /** | ||
| * @notice Deposits collateral to Aave pool | ||
| * @param collateralAddress Address of the collateral ERC20 | ||
| * @param amount Amount of collateral to deposit | ||
| */ | ||
| function aaveDepositCollateral( | ||
| address collateralAddress, | ||
| uint256 amount | ||
| ) public onlyOwner { | ||
| ERC20 token = ERC20(collateralAddress); | ||
| token.safeApprove(address(aavePool), amount); | ||
| aavePool.deposit(collateralAddress, amount, address(this), 0); | ||
|
|
||
| emit CollateralDeposited(collateralAddress, amount); | ||
| } | ||
|
|
||
| /** | ||
| * @notice Withdraws collateral from Aave pool | ||
| * @param collateralAddress Address of the collateral ERC20 | ||
| * @param aTokenAmount Amount of collateral to withdraw | ||
| */ | ||
| function aaveWithdrawCollateral( | ||
| address collateralAddress, | ||
| uint256 aTokenAmount | ||
| ) public onlyOwner { | ||
| aavePool.withdraw(collateralAddress, aTokenAmount, address(this)); | ||
|
|
||
| emit CollateralWithdrawn(collateralAddress, aTokenAmount); | ||
| } | ||
|
|
||
| /** | ||
| * @notice Claims all rewards available from the list of assets provided, will fail if balance on asset is zero | ||
| * @param assets Array of aTokens/sTokens/vTokens addresses to claim rewards from | ||
| */ | ||
| function claimAllRewards(address[] memory assets) external { | ||
| // Claim all rewards for the collected tokens | ||
| aaveRewardsController.claimAllRewards(assets, address(this)); | ||
|
|
||
| emit RewardsClaimed(); | ||
| } | ||
|
|
||
| /* ========== RESTRICTED GOVERNANCE FUNCTIONS ========== */ | ||
|
|
||
| /** | ||
| * @notice Returns collateral back to the AMO minter | ||
| * @param collateralAmount Amount of collateral to return, pass 0 to return all collateral | ||
| */ | ||
| function returnCollateralToMinter( | ||
| uint256 collateralAmount | ||
| ) public override onlyOwner { | ||
| ERC20 collateralToken = amoMinter.collateralToken(); | ||
|
|
||
| if (collateralAmount == 0) { | ||
| collateralAmount = collateralToken.balanceOf(address(this)); | ||
| } | ||
|
|
||
| // Approve and return collateral | ||
| collateralToken.approve(address(amoMinter), collateralAmount); | ||
| amoMinter.receiveCollateralFromAmo(collateralAmount); | ||
|
|
||
| emit CollateralReturnedToMinter(collateralAmount); | ||
| } | ||
|
|
||
| /** | ||
| * @notice Sets the AMO minter address | ||
| * @param _amoMinterAddress New address of the AMO minter | ||
| */ | ||
| function setAmoMinter( | ||
| address _amoMinterAddress | ||
| ) external override onlyOwner { | ||
| amoMinter = UbiquityAmoMinter(_amoMinterAddress); | ||
|
|
||
| emit AmoMinterSet(_amoMinterAddress); | ||
| } | ||
|
|
||
| /** | ||
| * @notice Recovers any ERC20 tokens held by the contract | ||
| * @param tokenAddress Address of the token to recover | ||
| * @param tokenAmount Amount of tokens to recover | ||
| */ | ||
| function recoverERC20( | ||
| address tokenAddress, | ||
| uint256 tokenAmount | ||
| ) external onlyOwner { | ||
| ERC20(tokenAddress).safeTransfer(msg.sender, tokenAmount); | ||
|
|
||
| emit ERC20Recovered(tokenAddress, tokenAmount); | ||
| } | ||
|
|
||
| /** | ||
| * @notice Executes arbitrary calls from this contract | ||
| * @param _to Address to call | ||
| * @param _value Value to send | ||
| * @param _data Data to execute | ||
| * @return success, result Returns whether the call succeeded and the returned data | ||
| */ | ||
| function execute( | ||
| address _to, | ||
| uint256 _value, | ||
| bytes calldata _data | ||
| ) external onlyOwner returns (bool, bytes memory) { | ||
| (bool success, bytes memory result) = _to.call{value: _value}(_data); | ||
|
|
||
| emit ExecuteCalled(_to, _value, _data); | ||
| return (success, result); | ||
| } | ||
|
|
||
| /* ========== EVENTS ========== */ | ||
|
|
||
| event CollateralDeposited( | ||
| address indexed collateralAddress, | ||
| uint256 amount | ||
| ); | ||
| event CollateralWithdrawn( | ||
| address indexed collateralAddress, | ||
| uint256 amount | ||
| ); | ||
| event CollateralReturnedToMinter(uint256 amount); | ||
| event RewardsClaimed(); | ||
| event AmoMinterSet(address indexed newMinter); | ||
| event ERC20Recovered(address tokenAddress, uint256 tokenAmount); | ||
| event ExecuteCalled(address indexed to, uint256 value, bytes data); | ||
| } |
Oops, something went wrong.