{
    "Function": "_redeemRewards",
    "File": "contracts/DelegatedStaking.sol",
    "Parent Contracts": [
        "node_modules/@openzeppelin/contracts-upgradeable/access/OwnableUpgradeable.sol",
        "node_modules/@openzeppelin/contracts-upgradeable/utils/ContextUpgradeable.sol",
        "node_modules/@openzeppelin/contracts-upgradeable/proxy/utils/Initializable.sol"
    ],
    "High-Level Calls": [],
    "Internal Calls": [
        "_sharesToTokens",
        "require(bool,string)",
        "_updateValidator",
        "_tokensToShares",
        "_transferFromContract",
        "require(bool,string)",
        "_updateGlobalExchangeRate",
        "_tokensToShares",
        "_tokensToShares",
        "require(bool,string)"
    ],
    "Library Calls": [],
    "Low-Level Calls": [],
    "Code": "function _redeemRewards( uint128 validatorId, address beneficiary, uint128 amount) internal {\n        require(beneficiary!=address(0x0), \"Invalid beneficiary\");\n        _updateGlobalExchangeRate();\n        Validator storage v = validators[validatorId];\n        _updateValidator(v);\n        Staking storage s = v.stakings[msg.sender];\n\n        uint128 rewards = _sharesToTokens(s.shares, v.exchangeRate) - s.staked;\n        if(msg.sender == v._address){\n            if(amount == 0){\n                unchecked { amount = rewards + v.commissionAvailableToRedeem; }\n            }\n            require(rewards + v.commissionAvailableToRedeem >= amount, \"Redeem amount > available\");\n            // first redeem rewards from commission\n            uint128 commissionLeftOver = amount < v.commissionAvailableToRedeem ? v.commissionAvailableToRedeem - amount : 0;\n            // if there is more, redeem  it from regular rewards\n            if (commissionLeftOver == 0){\n                uint128 validatorSharesRemove = _tokensToShares(amount - v.commissionAvailableToRedeem, v.exchangeRate);\n                unchecked { s.shares -= validatorSharesRemove; }\n                unchecked { v.totalShares -= validatorSharesRemove; }\n            }\n            emit CommissionRewardRedeemed(validatorId, beneficiary, v.commissionAvailableToRedeem - commissionLeftOver);\n            v.commissionAvailableToRedeem = commissionLeftOver;\n        }\n        else {\n            if(amount == 0){\n                amount = rewards;\n            }\n            require(rewards >= amount, \"Redeem amount > available\");\n            uint128 validatorSharesRemove = _tokensToShares(amount, v.exchangeRate);\n            unchecked { s.shares -= validatorSharesRemove; }\n            unchecked { v.totalShares -= validatorSharesRemove; }\n        }\n        _transferFromContract(beneficiary, amount);\n\n        // update global shares #\n        // this includes commission and rewards earned\n        // only update if the validator is enabled, otherwise the shares were already excluded during disableValidator call\n        if (v.disabledEpoch == 0){\n            uint128 globalSharesRemove = _tokensToShares(amount, globalExchangeRate);\n            unchecked { totalGlobalShares -= globalSharesRemove; }\n            unchecked { v.globalShares -= globalSharesRemove; }\n        }\n        emit RewardRedeemed(validatorId, beneficiary, amount);\n    }"
}