{
    "Function": "adjustTroveInterestRate",
    "File": "contracts/src/BorrowerOperations.sol",
    "Parent Contracts": [
        "contracts/src/Interfaces/IBorrowerOperations.sol",
        "contracts/src/Dependencies/AddRemoveManagers.sol",
        "contracts/src/Interfaces/IAddRemoveManagers.sol",
        "contracts/src/Dependencies/LiquityBase.sol",
        "contracts/src/Interfaces/ILiquityBase.sol"
    ],
    "High-Level Calls": [
        "ITroveManager",
        "IActivePool",
        "ITroveManager",
        "ISortedTroves"
    ],
    "Internal Calls": [
        "_requireValidAnnualInterestRate",
        "_requireTroveIsActive",
        "_requireIsNotInBatch",
        "_requireValidDelegateAdustment",
        "_requireAnnualInterestRateIsNew",
        "_requireSenderIsOwnerOrInterestManager",
        "_requireIsNotShutDown",
        "_applyUpfrontFee"
    ],
    "Library Calls": [],
    "Low-Level Calls": [],
    "Code": "function adjustTroveInterestRate(\n        uint256 _troveId,\n        uint256 _newAnnualInterestRate,\n        uint256 _upperHint,\n        uint256 _lowerHint,\n        uint256 _maxUpfrontFee\n    ) external {\n        _requireIsNotShutDown();\n\n        ITroveManager troveManagerCached = troveManager;\n\n        _requireValidAnnualInterestRate(_newAnnualInterestRate);\n        _requireIsNotInBatch(_troveId);\n        _requireSenderIsOwnerOrInterestManager(_troveId);\n        _requireTroveIsActive(troveManagerCached, _troveId);\n\n        LatestTroveData memory trove = troveManagerCached.getLatestTroveData(_troveId);\n        _requireValidDelegateAdustment(_troveId, trove.lastInterestRateAdjTime, _newAnnualInterestRate);\n        _requireAnnualInterestRateIsNew(trove.annualInterestRate, _newAnnualInterestRate);\n\n        uint256 newDebt = trove.entireDebt;\n\n        TroveChange memory troveChange;\n        troveChange.appliedRedistBoldDebtGain = trove.redistBoldDebtGain;\n        troveChange.appliedRedistCollGain = trove.redistCollGain;\n        troveChange.newWeightedRecordedDebt = newDebt * _newAnnualInterestRate;\n        troveChange.oldWeightedRecordedDebt = trove.weightedRecordedDebt;\n\n        // Apply upfront fee on premature adjustments. It checks the resulting ICR\n        if (block.timestamp < trove.lastInterestRateAdjTime + INTEREST_RATE_ADJ_COOLDOWN) {\n            newDebt = _applyUpfrontFee(trove.entireColl, newDebt, troveChange, _maxUpfrontFee, false);\n        }\n\n        // Recalculate newWeightedRecordedDebt, now taking into account the upfront fee\n        troveChange.newWeightedRecordedDebt = newDebt * _newAnnualInterestRate;\n\n        activePool.mintAggInterestAndAccountForTroveChange(troveChange, address(0));\n\n        sortedTroves.reInsert(_troveId, _newAnnualInterestRate, _upperHint, _lowerHint);\n        troveManagerCached.onAdjustTroveInterestRate(\n            _troveId,\n            trove.entireColl,\n            newDebt,\n            _newAnnualInterestRate,\n            troveChange\n        );\n    }"
}