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// SPDX-License-Identifier: MIT

pragma solidity 0.8.23;

import "IBoostCalculator.sol";

contract DynamicBoostDelegate {
    IBoostCalculator public immutable boostCalculator;

    constructor(IBoostCalculator _boostCalculator) {
        boostCalculator = _boostCalculator;
    }

    function getFeePct(
        address claimant,
        address,
        uint amount,
        uint previousAmount,
        uint totalWeeklyEmissions
    ) external view returns (uint256 feePct) {
        (uint256 maxBoostable, ) = boostCalculator.getClaimableWithBoost(claimant, 0, totalWeeklyEmissions);

        // claim does not deplete 2x boost
        if (amount + previousAmount <= maxBoostable) {
            // if claim consumes >25% of boost, dynamic fee from 14-14.9%
            if (amount > maxBoostable / 4) {
                uint256 boostPct = (amount * 10000) / maxBoostable;
                return 1400 + ((90 * boostPct) / 10000);
            }
            // otherwise fee at 13.99%
            return 1399;
        }

        uint256 adjustedAmount = boostCalculator.getBoostedAmount(
            claimant,
            amount,
            previousAmount,
            totalWeeklyEmissions
        );

        if ((previousAmount * 10000) / maxBoostable < 8000) {
            // if over 20% of 2x boost remains and the claim receives boost
            // of <1.9x, reject with 100% fee and wait for a small claim
            if (adjustedAmount < (amount * 9500) / 10000) return 10000;
        }

        // 1.7x boost (charged by convex and yearn)
        uint256 boostFloor = (amount * 8500) / 10000;

        // claim receives less than 1.7x boost
        if (adjustedAmount <= boostFloor) {
            // boost prior to claim is >1.8x, reject with 100% fee and wait for smaller claim
            if (previousAmount < (maxBoostable * 12) / 10) return 10000;
            // boost will be below 1.7x, fee at 0.01%
            else return 1;
        }

        // dynamic fee so boost after fee is ~1% above 1.7x
        return ((adjustedAmount - boostFloor) * 9900) / adjustedAmount;
    }

    function delegatedBoostCallback(address, address, uint, uint, uint, uint, uint) external pure returns (bool) {
        return true;
    }
}

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

interface IBoostCalculator {
    function getBoostedAmountWrite(
        address account,
        uint256 amount,
        uint256 previousAmount,
        uint256 totalWeeklyEmissions
    ) external returns (uint256 adjustedAmount);

    function MAX_BOOST_GRACE_WEEKS() external view returns (uint256);

    function getBoostedAmount(
        address account,
        uint256 amount,
        uint256 previousAmount,
        uint256 totalWeeklyEmissions
    ) external view returns (uint256 adjustedAmount);

    function getClaimableWithBoost(
        address claimant,
        uint256 previousAmount,
        uint256 totalWeeklyEmissions
    ) external view returns (uint256 maxBoosted, uint256 boosted);

    function getWeek() external view returns (uint256 week);

    function locker() external view returns (address);
}

{
  "evmVersion": "paris",
  "optimizer": {
    "enabled": true,
    "runs": 200
  },
  "libraries": {
    "DynamicBoostDelegate.sol": {}
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  }
}

• No Contract Security Audit Submitted- Submit Audit Here

[{"inputs":[{"internalType":"contract IBoostCalculator","name":"_boostCalculator","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[],"name":"boostCalculator","outputs":[{"internalType":"contract IBoostCalculator","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"},{"internalType":"address","name":"","type":"address"},{"internalType":"uint256","name":"","type":"uint256"},{"internalType":"uint256","name":"","type":"uint256"},{"internalType":"uint256","name":"","type":"uint256"},{"internalType":"uint256","name":"","type":"uint256"},{"internalType":"uint256","name":"","type":"uint256"}],"name":"delegatedBoostCallback","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"pure","type":"function"},{"inputs":[{"internalType":"address","name":"claimant","type":"address"},{"internalType":"address","name":"","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"},{"internalType":"uint256","name":"previousAmount","type":"uint256"},{"internalType":"uint256","name":"totalWeeklyEmissions","type":"uint256"}],"name":"getFeePct","outputs":[{"internalType":"uint256","name":"feePct","type":"uint256"}],"stateMutability":"view","type":"function"}]

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00000000000000000000000031ae4cbfafb007a908f348cf95ce4b535d5a8fa3

-----Decoded View---------------
Arg [0] : _boostCalculator (address): 0x31ae4cbfaFB007a908F348Cf95Ce4b535D5A8fa3

-----Encoded View---------------
1 Constructor Arguments found :
Arg [0] : 00000000000000000000000031ae4cbfafb007a908f348cf95ce4b535d5a8fa3