Native link withdrawals

contracts/core/base/StakingRewardsPool.sol

@@ -19,29 +19,35 @@ abstract contract StakingRewardsPool is ERC677Upgradeable, UUPSUpgradeable, Owna
     mapping(address => uint256) private shares;
     uint256 public totalShares;
 
+    /**
+     * @notice Initializes the contract
+     * @param _token address of asset token
+     * @param _liquidTokenName name of liquid staking token
+     * @param _liquidTokenSymbol symbol of liquid staking token
+     */
     function __StakingRewardsPool_init(
         address _token,
-        string memory _derivativeTokenName,
-        string memory _derivativeTokenSymbol
+        string memory _liquidTokenName,
+        string memory _liquidTokenSymbol
     ) public onlyInitializing {
-        __ERC677_init(_derivativeTokenName, _derivativeTokenSymbol, 0);
+        __ERC677_init(_liquidTokenName, _liquidTokenSymbol, 0);
         __UUPSUpgradeable_init();
         __Ownable_init();
         token = IERC20Upgradeable(_token);
     }
 
     /**
-     * @notice returns the total supply of staking derivative tokens
+     * @notice Returns the total supply of liquid staking tokens
      * @return total supply
      */
     function totalSupply() public view override returns (uint256) {
         return _totalStaked();
     }
 
     /**
-     * @notice returns an account's stake balance
+     * @notice Returns an account's LST balance
      * @param _account account address
-     * @return account's stake balance
+     * @return account's balance
      */
     function balanceOf(address _account) public view override returns (uint256) {
         uint256 balance = getStakeByShares(shares[_account]);
@@ -53,7 +59,7 @@ abstract contract StakingRewardsPool is ERC677Upgradeable, UUPSUpgradeable, Owna
     }
 
     /**
-     * @notice returns an account's share balance
+     * @notice Returns an account's share balance
      * @param _account account address
      * @return account's share balance
      */
@@ -62,7 +68,7 @@ abstract contract StakingRewardsPool is ERC677Upgradeable, UUPSUpgradeable, Owna
     }
 
     /**
-     * @notice returns the amount of shares that corresponds to a staked amount
+     * @notice Returns the amount of shares that corresponds to an LST amount
      * @param _amount staked amount
      * @return amount of shares
      */
@@ -76,9 +82,9 @@ abstract contract StakingRewardsPool is ERC677Upgradeable, UUPSUpgradeable, Owna
     }
 
     /**
-     * @notice returns the amount of stake that corresponds to an amount of shares
+     * @notice Returns the amount of LST that corresponds to an amount of shares
      * @param _amount shares amount
-     * @return amount of stake
+     * @return amount of LST
      */
     function getStakeByShares(uint256 _amount) public view returns (uint256) {
         if (totalShares == 0) {
@@ -89,7 +95,7 @@ abstract contract StakingRewardsPool is ERC677Upgradeable, UUPSUpgradeable, Owna
     }
 
     /**
-     * @notice transfers shares from one account to another
+     * @notice Transfers shares from sender to another account
      * @param _recipient account to transfer to
      * @param _sharesAmount amount of shares to transfer
      */
@@ -99,7 +105,7 @@ abstract contract StakingRewardsPool is ERC677Upgradeable, UUPSUpgradeable, Owna
     }
 
     /**
-     * @notice transfers shares from one account to another
+     * @notice Transfers shares from one account to another
      * @param _sender account to transfer from
      * @param _recipient account to transfer to
      * @param _sharesAmount amount of shares to transfer
@@ -116,13 +122,13 @@ abstract contract StakingRewardsPool is ERC677Upgradeable, UUPSUpgradeable, Owna
     }
 
     /**
-     * @notice returns the total amount of assets staked in the pool
+     * @notice Returns the total amount of asset tokens staked in the pool
      * @return total staked amount
      */
     function _totalStaked() internal view virtual returns (uint256);
 
     /**
-     * @notice transfers a stake balance from one account to another
+     * @notice Transfers an LST balance from one account to another
      * @param _sender account to transfer from
      * @param _recipient account to transfer to
      * @param _amount amount to transfer
@@ -145,7 +151,7 @@ abstract contract StakingRewardsPool is ERC677Upgradeable, UUPSUpgradeable, Owna
     }
 
     /**
-     * @notice transfers shares from one account to another
+     * @notice Transfers shares from one account to another
      * @param _sender account to transfer from
      * @param _recipient account to transfer to
      * @param _sharesAmount amount of shares to transfer
@@ -166,8 +172,8 @@ abstract contract StakingRewardsPool is ERC677Upgradeable, UUPSUpgradeable, Owna
     }
 
     /**
-     * @notice mints new shares to an account
-     * @dev takes a stake amount and calculates the amount of shares it corresponds to
+     * @notice Mints new shares to an account
+     * @dev takes an LST amount and calculates the amount of shares it corresponds to
      * @param _recipient account to mint shares for
      * @param _amount stake amount
      */
@@ -179,7 +185,7 @@ abstract contract StakingRewardsPool is ERC677Upgradeable, UUPSUpgradeable, Owna
     }
 
     /**
-     * @notice mints new shares to an account
+     * @notice Mints new shares to an account
      * @param _recipient account to mint shares for
      * @param _amount shares amount
      */
@@ -197,10 +203,10 @@ abstract contract StakingRewardsPool is ERC677Upgradeable, UUPSUpgradeable, Owna
     }
 
     /**
-     * @notice burns shares belonging to an account
-     * @dev takes a stake amount and calculates the amount of shares it corresponds to
+     * @notice Burns shares belonging to an account
+     * @dev takes an LST amount and calculates the amount of shares it corresponds to
      * @param _account account to burn shares for
-     * @param _amount stake amount
+     * @param _amount LST amount
      */
     function _burn(address _account, uint256 _amount) internal override {
         uint256 sharesToBurn = getSharesByStake(_amount);
@@ -214,5 +220,8 @@ abstract contract StakingRewardsPool is ERC677Upgradeable, UUPSUpgradeable, Owna
         emit Transfer(_account, address(0), _amount);
     }
 
+    /**
+     * @dev Checks authorization for contract upgrades
+     */
     function _authorizeUpgrade(address) internal override onlyOwner {}
 }

contracts/core/interfaces/IPriorityPool.sol

@@ -14,6 +14,8 @@ interface IPriorityPool {
 
     function poolStatus() external view returns (PoolStatus);
 
+    function canWithdraw(address _account, uint256 _distributionAmount) external view returns (uint256);
+
     function pauseForUpdate() external;
 
     function setPoolStatus(PoolStatus _status) external;
@@ -24,4 +26,10 @@ interface IPriorityPool {
         uint256 _amountDistributed,
         uint256 _sharesAmountDistributed
     ) external;
+
+    function executeQueuedWithdrawals(uint256 _amount, bytes[] calldata _data) external;
+
+    function checkUpkeep(bytes calldata) external view returns (bool, bytes memory);
+
+    function performUpkeep(bytes calldata _performData) external;
 }

contracts/core/interfaces/IStakingPool.sol

@@ -4,17 +4,30 @@ pragma solidity 0.8.15;
 import "./IStakingRewardsPool.sol";
 
 interface IStakingPool is IStakingRewardsPool {
-    function deposit(address _account, uint256 _amount) external;
+    function deposit(
+        address _account,
+        uint256 _amount,
+        bytes[] calldata _data
+    ) external;
 
     function withdraw(
         address _account,
         address _receiver,
-        uint256 _amount
+        uint256 _amount,
+        bytes[] calldata _data
     ) external;
 
-    function strategyDeposit(uint256 _index, uint256 _amount) external;
+    function strategyDeposit(
+        uint256 _index,
+        uint256 _amount,
+        bytes calldata _data
+    ) external;
 
-    function strategyWithdraw(uint256 _index, uint256 _amount) external;
+    function strategyWithdraw(
+        uint256 _index,
+        uint256 _amount,
+        bytes calldata _data
+    ) external;
 
     function updateStrategyRewards(uint256[] memory _strategyIdxs, bytes memory _data) external;
 

contracts/core/interfaces/IStrategy.sol

@@ -2,9 +2,9 @@
 pragma solidity 0.8.15;
 
 interface IStrategy {
-    function deposit(uint256 _amount) external;
+    function deposit(uint256 _amount, bytes calldata _data) external;
 
-    function withdraw(uint256 _amount) external;
+    function withdraw(uint256 _amount, bytes calldata _data) external;
 
     function updateDeposits(bytes calldata _data)
         external

contracts/core/interfaces/IWithdrawalPool.sol

@@ -0,0 +1,10 @@
+// SPDX-License-Identifier: GPL-3.0
+pragma solidity 0.8.15;
+
+interface IWithdrawalPool {
+    function getTotalQueuedWithdrawals() external view returns (uint256);
+
+    function deposit(uint256 _amount) external;
+
+    function queueWithdrawal(address _account, uint256 _amount) external;
+}