{
    "Function": "increasePledgeRewardPerVote",
    "File": "contracts/WardenPledge.sol",
    "Parent Contracts": [
        "contracts/oz/utils/ReentrancyGuard.sol",
        "contracts/oz/utils/Pausable.sol",
        "contracts/oz/utils/Ownable.sol",
        "contracts/oz/utils/Context.sol"
    ],
    "High-Level Calls": [
        "SafeERC20",
        "SafeERC20"
    ],
    "Internal Calls": [
        "revert InvalidPledgeID()",
        "revert IncorrectMaxFeeAmount()",
        "revert RewardsPerVotesTooLow()",
        "whenNotPaused",
        "revert NotPledgeCreator()",
        "pledgesIndex",
        "revert IncorrectMaxTotalRewardAmount()",
        "revert ExpiredPledge()",
        "nonReentrant",
        "revert PledgeClosed()"
    ],
    "Library Calls": [
        "safeTransferFrom",
        "safeTransferFrom"
    ],
    "Low-Level Calls": [],
    "Code": "function increasePledgeRewardPerVote(\n        uint256 pledgeId,\n        uint256 newRewardPerVote,\n        uint256 maxTotalRewardAmount,\n        uint256 maxFeeAmount\n    ) external whenNotPaused nonReentrant {\n        if(pledgeId >= pledgesIndex()) revert Errors.InvalidPledgeID();\n        address creator = pledgeOwner[pledgeId];\n        if(msg.sender != creator) revert Errors.NotPledgeCreator();\n\n        Pledge storage pledgeParams = pledges[pledgeId];\n        if(pledgeParams.closed) revert Errors.PledgeClosed();\n        if(pledgeParams.endTimestamp <= block.timestamp) revert Errors.ExpiredPledge();\n\n        uint256 oldRewardPerVote = pledgeParams.rewardPerVote;\n        if(newRewardPerVote <= oldRewardPerVote) revert Errors.RewardsPerVotesTooLow();\n        uint256 remainingDuration = pledgeParams.endTimestamp - block.timestamp;\n        uint256 rewardPerVoteDiff = newRewardPerVote - oldRewardPerVote;\n        uint256 totalRewardAmount = (rewardPerVoteDiff * pledgeParams.votesDifference * remainingDuration) / UNIT;\n        uint256 feeAmount = (totalRewardAmount * protocalFeeRatio) / MAX_PCT ;\n        if(totalRewardAmount > maxTotalRewardAmount) revert Errors.IncorrectMaxTotalRewardAmount();\n        if(feeAmount > maxFeeAmount) revert Errors.IncorrectMaxFeeAmount();\n\n        // Pull all the rewards in this contract\n        IERC20(pledgeParams.rewardToken).safeTransferFrom(creator, address(this), totalRewardAmount);\n        // And transfer the fees from the Pledge creator to the Chest contract\n        IERC20(pledgeParams.rewardToken).safeTransferFrom(creator, chestAddress, feeAmount);\n\n        // Update the Pledge parameters in storage\n        pledgeParams.rewardPerVote = newRewardPerVote;\n\n        pledgeAvailableRewardAmounts[pledgeId] += totalRewardAmount;\n\n        emit IncreasePledgeRewardPerVote(pledgeId, oldRewardPerVote, newRewardPerVote);\n    }"
}