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feat: unclaimed fees #51

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feat: unclaimed fees #51

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4 changes: 4 additions & 0 deletions contracts/interfaces/gmx/IRewardRouterV2.sol
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Original file line number Diff line number Diff line change
Expand Up @@ -9,6 +9,10 @@ interface IRewardRouterV2 {
event StakeGlp(address account, uint256 amount);
event UnstakeGlp(address account, uint256 amount);

function feeGmxTracker() external view returns (address);

function feeGlpTracker() external view returns (address);

function batchStakeGmxForAccount(address[] memory _accounts, uint256[] memory _amounts) external;

function stakeGmxForAccount(address _account, uint256 _amount) external;
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16 changes: 14 additions & 2 deletions contracts/yieldStrategy/gmx/GlpStakingManager.sol
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Expand Up @@ -9,6 +9,7 @@ import { IERC20Metadata } from '@openzeppelin/contracts/interfaces/IERC20Metadat
import { IGlpManager } from 'contracts/interfaces/gmx/IGlpManager.sol';
import { IVault as IGMXVault } from 'contracts/interfaces/gmx/IVault.sol';
import { ISGLPExtended } from 'contracts/interfaces/gmx/ISGLPExtended.sol';
import { IRewardTracker } from 'contracts/interfaces/gmx/IRewardTracker.sol';
import { IRewardRouterV2 } from 'contracts/interfaces/gmx/IRewardRouterV2.sol';
import { IGMXBatchingManager } from 'contracts/interfaces/gmx/IGMXBatchingManager.sol';
import { FullMath } from '@uniswap/v3-core-0.8-support/contracts/libraries/FullMath.sol';
Expand Down Expand Up @@ -152,7 +153,7 @@ contract GlpStakingManager is RageERC4626, OwnableUpgradeable {
}

/// @notice stakes the rewards from the staked Glp and claims WETH to buy glp
function _harvestFees() internal {
function harvestFees() public {
rewardRouter.handleRewards(
false, // _shouldClaimGmx
false, // _shouldStakeGmx
Expand Down Expand Up @@ -185,7 +186,7 @@ contract GlpStakingManager is RageERC4626, OwnableUpgradeable {
function _beforeShareAllocation() internal override {
/// @dev check if the msg.sender is vault
if (!isVault[msg.sender]) revert GSM_CALLER_NOT_VAULT();
_harvestFees();
harvestFees();
}

/* solhint-disable no-empty-blocks */
Expand All @@ -207,6 +208,17 @@ contract GlpStakingManager is RageERC4626, OwnableUpgradeable {
return fsGlp.balanceOf(address(this)) + batchingManager.stakingManagerGlpBalance();
}

/// @notice unclaimed WETH rewards of sGlp, esGmx & bnGmx
function unclaimedFees() external view returns (uint256) {
IRewardTracker feeGmxTracker = IRewardTracker(rewardRouter.feeGmxTracker());
IRewardTracker feeGlpTracker = IRewardTracker(rewardRouter.feeGlpTracker());

uint256 wethGmx = feeGmxTracker.claimable(address(this));
uint256 wethGlp = feeGlpTracker.claimable(address(this));

return wethGmx + wethGlp;
}

/// @notice converts input token to sGLP
/// @dev only works for usdc and weth because approval is only given for those tokens
/// @param token address of token
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