harb/onchain/src/OptimizerV3.sol

// SPDX-License-Identifier: GPL-3.0-or-later
pragma solidity ^0.8.19;

import {Optimizer} from "./Optimizer.sol";
import {OptimizerV3Push3} from "./OptimizerV3Push3.sol";
import {OptimizerInput} from "./IOptimizer.sol";

/**
 * @title OptimizerV3
 * @notice UUPS-upgradeable Optimizer that uses the transpiled Push3 calculateParams logic.
 *
 * @dev This contract extends the base Optimizer and overrides calculateParams to delegate
 *      to the transpiled OptimizerV3Push3 implementation using delegatecall. It maintains
 *      full storage layout compatibility for UUPS upgrades.
 *
 *      Storage layout (inherited from Optimizer):
 *        - Initializable slots
 *        - UUPSUpgradeable slots (admin address in ERC1967 storage)
 *        - kraiken (Kraiken)
 *        - stake (Stake)
 *        - vwapTracker (address)
 *        - pool (address)
 *        - lastRecenterTimestamp (uint256)
 *        - recenterRecorder (address)
 */
contract OptimizerV3 is Optimizer {
    /**
     * @notice Override calculateParams to use the transpiled Push3 logic.
     * @dev This creates a temporary OptimizerV3Push3 instance for each call.
     *      While not gas-optimal, it maintains purity and allows us to use
     *      the transpiled code without storage layout concerns.
     *
     * @param inputs  8 dyadic rational slots (same interface as base Optimizer)
     * @return capitalInefficiency  Capital buffer level (0..1e18)
     * @return anchorShare          Fraction of non-floor ETH in anchor (0..1e18)
     * @return anchorWidth          Anchor position width in tick units (uint24)
     * @return discoveryDepth       Discovery liquidity density (0..1e18)
     */
    function calculateParams(OptimizerInput[8] memory inputs)
        public
        pure
        override
        returns (uint256 capitalInefficiency, uint256 anchorShare, uint24 anchorWidth, uint256 discoveryDepth)
    {
        // Inline the Push3 implementation to preserve purity
        // This is auto-generated from optimizer_v3.push3 via the transpiler

        // Validate mantissa for percentageStaked
        require(inputs[0].mantissa <= 1e18, "mantissa overflow");

        // Validate that shift is 0 (future-only field, not yet supported)
        for (uint256 k = 0; k < 8; k++) {
            require(inputs[k].shift == 0, "shift not yet supported");
        }

        uint256 percentagestaked = uint256(uint256(inputs[0].mantissa));
        uint256 taxrate = uint256(uint256(inputs[1].mantissa));
        uint256 staked = uint256(((percentagestaked * 100) / 1000000000000000000));

        uint256 r37;
        uint256 r38;
        uint256 r39;
        uint256 r40;

        if ((staked > 91)) {
            uint256 deltas = uint256((100 - staked));

            // Tax rate index calculation (deep nested if-else chain)
            uint256 r28;
            if ((taxrate <= 206185567010309)) {
                r28 = 0;
            } else if ((taxrate <= 412371134020618)) {
                r28 = 1;
            } else if ((taxrate <= 618556701030927)) {
                r28 = 2;
            } else if ((taxrate <= 1030927835051546)) {
                r28 = 3;
            } else if ((taxrate <= 1546391752577319)) {
                r28 = 4;
            } else if ((taxrate <= 2164948453608247)) {
                r28 = 5;
            } else if ((taxrate <= 2783505154639175)) {
                r28 = 6;
            } else if ((taxrate <= 3608247422680412)) {
                r28 = 7;
            } else if ((taxrate <= 4639175257731958)) {
                r28 = 8;
            } else if ((taxrate <= 5670103092783505)) {
                r28 = 9;
            } else if ((taxrate <= 7216494845360824)) {
                r28 = 10;
            } else if ((taxrate <= 9278350515463917)) {
                r28 = 11;
            } else if ((taxrate <= 11855670103092783)) {
                r28 = 12;
            } else if ((taxrate <= 15979381443298969)) {
                r28 = 13;
            } else if ((taxrate <= 22164948453608247)) {
                r28 = 14;
            } else if ((taxrate <= 29381443298969072)) {
                r28 = 15;
            } else if ((taxrate <= 38144329896907216)) {
                r28 = 16;
            } else if ((taxrate <= 49484536082474226)) {
                r28 = 17;
            } else if ((taxrate <= 63917525773195876)) {
                r28 = 18;
            } else if ((taxrate <= 83505154639175257)) {
                r28 = 19;
            } else if ((taxrate <= 109278350515463917)) {
                r28 = 20;
            } else if ((taxrate <= 144329896907216494)) {
                r28 = 21;
            } else if ((taxrate <= 185567010309278350)) {
                r28 = 22;
            } else if ((taxrate <= 237113402061855670)) {
                r28 = 23;
            } else if ((taxrate <= 309278350515463917)) {
                r28 = 24;
            } else if ((taxrate <= 402061855670103092)) {
                r28 = 25;
            } else if ((taxrate <= 520618556701030927)) {
                r28 = 26;
            } else if ((taxrate <= 680412371134020618)) {
                r28 = 27;
            } else if ((taxrate <= 886597938144329896)) {
                r28 = 28;
            } else {
                r28 = 29;
            }

            uint256 dup29 = r28;
            uint256 r32;
            if ((dup29 >= 14)) {
                uint256 dup30 = (dup29 + 1);
                r32 = (dup30 > 29) ? 29 : dup30;
            } else {
                r32 = dup29;
            }
            uint256 effidx = r32;

            // Bull/bear decision based on penalty
            if ((((((deltas * deltas) * deltas) * effidx) / 20) < 50)) {
                // Bull
                r37 = 1000000000000000000; // AS = 1e18
                r38 = 20; // AW = 20
                r39 = 1000000000000000000; // DD = 1e18
                r40 = 0; // CI = 0
            } else {
                // Bear
                r37 = 300000000000000000; // AS = 0.3e18
                r38 = 100; // AW = 100
                r39 = 300000000000000000; // DD = 0.3e18
                r40 = 0; // CI = 0
            }
        } else {
            // Bear (staked <= 91%)
            r37 = 300000000000000000;
            r38 = 100;
            r39 = 300000000000000000;
            r40 = 0;
        }

        anchorShare = r37;
        anchorWidth = uint24(r38);
        discoveryDepth = r39;
        capitalInefficiency = r40;
    }
}