{
  "code": "// SPDX-License-Identifier: MIT\npragma solidity ^0.8.24;\n\nimport {AMMStrategyBase} from \"./AMMStrategyBase.sol\";\nimport {TradeInfo} from \"./IAMMStrategy.sol\";\n\ncontract Strategy is AMMStrategyBase {\n    uint256 constant ELAPSED_CAP = 8;\n    uint256 constant SIGNAL_THRESHOLD = WAD / 650;\n    uint256 constant DIR_DECAY = 750000000000000000;\n    uint256 constant ACT_DECAY = 530000000000000000;\n    uint256 constant SIZE_DECAY = 530000000000000000;\n    uint256 constant TOX_DECAY = 910000000000000000;\n    uint256 constant SIGMA_DECAY = 690000000000000000;\n    uint256 constant LAMBDA_DECAY = 990000000000000000;\n    uint256 constant SIZE_BLEND_DECAY = 828000000000000000;\n    uint256 constant TOX_BLEND_DECAY = 51000000000000000;\n    uint256 constant ACT_BLEND_DECAY = 985000000000000000;\n    uint256 constant PHAT_ALPHA = 270000000000000000;\n    uint256 constant PHAT_ALPHA_RETAIL = 60000000000000000;\n    uint256 constant PHAT_ALPHA_SAME = 120000000000000000;\n    uint256 constant REVERT_U = 0;\n    uint256 constant DIR_IMPACT_MULT = 4;\n    uint256 constant GATE_SIGMA_MULT = 7200000000000000000;\n    uint256 constant MIN_GATE = 30000000000000000;\n    uint256 constant TRADE_TOX_BOOST = 3500 * BPS;\n    uint256 constant STALE_ATTRACT_FRAC = 1050000000000000000;\n    uint256 constant RET_CAP = WAD / 35;\n    uint256 constant TOX_CAP = WAD / 5;\n    uint256 constant TRADE_RATIO_CAP = WAD / 5;\n    uint256 constant LAMBDA_CAP = 1820000000000000000;\n    uint256 constant STEP_COUNT_CAP = 64;\n    uint256 constant BASE_FEE = 4 * BPS;\n    uint256 constant SIGMA_COEF = 200000000000000000;\n    uint256 constant LAMBDA_COEF = 12 * BPS;\n    uint256 constant FLOW_SIZE_COEF = 4842 * BPS;\n    uint256 constant TOX_COEF = 300 * BPS;\n    uint256 constant TOX_QUAD_COEF = 15000 * BPS;\n    uint256 constant ACT_COEF = 91843 * BPS;\n    uint256 constant DIR_COEF = 20 * BPS;\n    uint256 constant DIR_TOX_COEF = 100 * BPS;\n    uint256 constant STALE_DIR_COEF = 6850 * BPS;\n    uint256 constant SIGMA_TOX_COEF = 500 * BPS;\n    uint256 constant TAIL_KNEE = 600 * BPS;\n    uint256 constant TAIL_SLOPE_PROTECT = 930000000000000000;\n    uint256 constant TAIL_SLOPE_ATTRACT = 850000000000000000;\n\n    function afterInitialize(uint256 initialX, uint256 initialY) external override returns (uint256, uint256) {\n        slots[0] = BASE_FEE; slots[1] = BASE_FEE; slots[3] = WAD; \n        slots[5] = initialX > 0 ? wdiv(initialY, initialX) : 100 * WAD;\n        slots[6] = 950000000000000; slots[7] = 800000000000000000; slots[8] = 2000000000000000;\n        slots[13] = 902500000000; slots[14] = slots[5]; \n        return (BASE_FEE, BASE_FEE);\n    }\n\n    function afterSwap(TradeInfo calldata trade) external override returns (uint256, uint256) {\n        uint256 prevBidFee = slots[0]; uint256 prevAskFee = slots[1]; uint256 lastTs = uint64(slots[2]);\n        uint256 dirState = slots[3]; uint256 actEma = slots[4]; uint256 pHat = slots[5];\n        uint256 sigmaHat = slots[6]; uint256 lambdaHat = slots[7]; uint256 sizeHat = slots[8];\n        uint256 toxEma = slots[9]; uint256 stepTradeCount = slots[10];\n\n        uint256 sigmaForFast = sigmaHat;\n        uint256 fastHat = slots[14];\n        uint256 uncertainty = slots[13];\n        uint256 silent = trade.timestamp > lastTs ? trade.timestamp - lastTs : 0;\n        bool isNewStep = trade.timestamp > lastTs;\n        if (isNewStep) {\n            uint256 elapsedRaw = trade.timestamp - lastTs;\n            uint256 elapsed = elapsedRaw > ELAPSED_CAP ? ELAPSED_CAP : elapsedRaw;\n            dirState = _decayCentered(dirState, DIR_DECAY, elapsed);\n            actEma = wmul(actEma, _powWad(ACT_DECAY, elapsed));\n            sizeHat = wmul(sizeHat, _powWad(SIZE_DECAY, elapsed));\n            toxEma = wmul(toxEma, _powWad(TOX_DECAY, elapsed));\n            if (stepTradeCount > 0 && elapsedRaw > 0) {\n                uint256 lambdaInst = (stepTradeCount * WAD) / elapsedRaw;\n                if (lambdaInst > LAMBDA_CAP) lambdaInst = LAMBDA_CAP;\n                lambdaHat = wmul(lambdaHat, LAMBDA_DECAY) + wmul(lambdaInst, WAD - LAMBDA_DECAY);\n            }\n            uncertainty += wmul(sigmaForFast, sigmaForFast) * elapsedRaw;\n            if (uncertainty > 100000000000000) uncertainty = 100000000000000;\n            stepTradeCount = 0;\n        }\n\n        bool firstInStep = stepTradeCount == 0;\n        uint256 spot = trade.reserveX > 0 ? wdiv(trade.reserveY, trade.reserveX) : pHat;\n        if (pHat == 0) pHat = spot;\n\n        uint256 feeUsed = trade.isBuy ? prevBidFee : prevAskFee;\n        uint256 gamma = feeUsed < WAD ? WAD - feeUsed : 0;\n        uint256 pImplied;\n        if (gamma == 0) { pImplied = spot; }\n        else { pImplied = trade.isBuy ? wmul(spot, gamma) : wdiv(spot, gamma); }\n\n        // S: infer a no-trade interval center from the last post-trade spot.\n        uint256 silenceScale = WAD;\n        if (firstInStep && silent > 1) {\n            uint256 g = silent - 1;\n            if (g > 1) g = 1;\n            uint256 w = WAD - _powWad(800000000000000000, g);\n            uint256 s = slots[2] >> 64;\n            if (s == 0) s = pHat;\n            uint256 c = (wmul(s, WAD - prevBidFee) + wdiv(s, WAD - prevAskFee)) / 2;\n            if (c >= pHat) pHat += wmul(w, c - pHat);\n            else pHat -= wmul(w, pHat - c);\n            silenceScale = WAD - wmul(300000000000000000, w);\n        }\n\n        {\n            uint256 ret = pHat > 0 ? wdiv(absDiff(pImplied, pHat), pHat) : 0;\n            uint256 alpha = firstInStep ? PHAT_ALPHA : PHAT_ALPHA_RETAIL;\n            uint256 prePhat = pHat;\n            bool secondPrint = !firstInStep && stepTradeCount == 1;\n            bool sameDir = false; bool oppDir = false;\n            if (secondPrint) {\n                bool up2 = pImplied >= pHat;\n                uint256 d1 = slots[12];\n                if (d1 != 0) { sameDir = (d1 == 1) == up2; oppDir = !sameDir; }\n                if (sameDir) alpha = PHAT_ALPHA_SAME;\n            }\n            if (firstInStep) { slots[12] = pImplied >= pHat ? 1 : 2; }\n            uint256 adaptiveGate = wmul(sigmaHat, GATE_SIGMA_MULT);\n            if (adaptiveGate < MIN_GATE) adaptiveGate = MIN_GATE;\n            alpha = wmul(alpha, silenceScale);\n            adaptiveGate = wmul(adaptiveGate, silenceScale);\n            if (ret <= adaptiveGate) { pHat = wmul(pHat, WAD - alpha) + wmul(pImplied, alpha); }\n            if (oppDir && REVERT_U > 0) {\n                uint256 pre = slots[11];\n                if (pre > pHat) pHat = pHat + wmul(pre - pHat, REVERT_U);\n                else pHat = pHat - wmul(pHat - pre, REVERT_U);\n            }\n            if (firstInStep) {\n                if (ret > RET_CAP) ret = RET_CAP;\n                sigmaHat = wmul(sigmaHat, SIGMA_DECAY) + wmul(ret, WAD - SIGMA_DECAY);\n            }\n        }\n\n        // Interior retail routing equalizes fee-adjusted marginal prices.\n        // Subsequent trades in a step cannot be the initial arbitrage trade.\n        if (!firstInStep && feeUsed > 30 * BPS && gamma > 0) {\n            uint256 normalSpot = trade.isBuy\n                ? wdiv(wmul(spot, gamma), WAD - 30 * BPS)\n                : wdiv(wmul(spot, WAD - 30 * BPS), gamma);\n            pHat = wmul(pHat, 90 * WAD / 100) + wmul(normalSpot, 10 * WAD / 100);\n        }\n\n        {\n            uint256 ret = fastHat > 0 ? wdiv(absDiff(pImplied, fastHat), fastHat) : 0;\n            uint256 alpha;\n            if (firstInStep) {\n                uint256 processSigma = sigmaForFast;\n                uint256 obsVar = uncertainty + wmul(processSigma, processSigma);\n                uint256 probArb;\n                uint256 z2 = wdiv(wmul(ret, ret), obsVar);\n                uint256 density = _powWad(wdiv(WAD, WAD + z2 / 16), 8);\n                uint256 sigmaObs = _isqrt(obsVar * WAD);\n                uint256 odds = wmul(density, wdiv(6700000000000000, sigmaObs));\n                bool arbFlag = ret <= wmul(sigmaForFast, 1220000000000000000);\n                uint256 prior = arbFlag ? 650000000000000000 : 400000000000000000;\n                uint256 tr = trade.reserveY > 0 ? wdiv(trade.amountY, trade.reserveY) : 0;\n                if (tr > 3000000000000000) prior = wmul(prior, 6 * WAD / 10);\n                if (silent > 1) prior = wmul(prior, 8 * WAD / 10);\n                odds = wmul(odds, wdiv(prior, WAD - prior));\n                probArb = wdiv(odds, WAD + odds);\n                alpha = wmul(probArb, 600000000000000000) + wmul(WAD - probArb, 80000000000000000);\n                slots[15] = pImplied >= fastHat ? 1 : 2;\n                uncertainty = wmul(uncertainty, WAD - alpha);\n            } else {\n                if ((slots[15] == 1) == (pImplied >= fastHat)) alpha = PHAT_ALPHA_RETAIL;\n            }\n            uint256 gate = wmul(sigmaHat, GATE_SIGMA_MULT);\n            if (gate < MIN_GATE) gate = MIN_GATE;\n            if (ret <= gate) fastHat = wmul(fastHat, WAD - alpha) + wmul(pImplied, alpha);\n            slots[13] = uncertainty;\n        }\n\n        if (!firstInStep && feeUsed > 30 * BPS && gamma > 0) {\n            uint256 normalObs = trade.isBuy\n                ? wdiv(wmul(spot, gamma), WAD - 30 * BPS)\n                : wdiv(wmul(spot, WAD - 30 * BPS), gamma);\n            if ((slots[15] == 1) == (normalObs >= fastHat)) {\n                fastHat = wmul(fastHat, 9 * WAD / 10) + wmul(normalObs, WAD / 10);\n            }\n        }\n        slots[14] = fastHat;\n        uint256 tradeRatio = trade.reserveY > 0 ? wdiv(trade.amountY, trade.reserveY) : 0;\n        if (tradeRatio > TRADE_RATIO_CAP) tradeRatio = TRADE_RATIO_CAP;\n\n        if (tradeRatio > SIGNAL_THRESHOLD) {\n            uint256 push = tradeRatio * DIR_IMPACT_MULT;\n            if (push > WAD / 4) push = WAD / 4;\n            if (trade.isBuy) {\n                dirState = dirState + push;\n                if (dirState > 2 * WAD) dirState = 2 * WAD;\n            } else {\n                dirState = dirState > push ? dirState - push : 0;\n            }\n            actEma = wmul(actEma, ACT_BLEND_DECAY) + wmul(tradeRatio, WAD - ACT_BLEND_DECAY);\n            sizeHat = wmul(sizeHat, SIZE_BLEND_DECAY) + wmul(tradeRatio, WAD - SIZE_BLEND_DECAY);\n            if (sizeHat > WAD) sizeHat = WAD;\n        }\n\n        uint256 tox = pHat > 0 ? wdiv(absDiff(spot, pHat), pHat) : 0;\n        if (tox > TOX_CAP) tox = TOX_CAP;\n        toxEma = wmul(toxEma, TOX_BLEND_DECAY) + wmul(tox, WAD - TOX_BLEND_DECAY);\n        uint256 toxSignal = toxEma;\n\n        stepTradeCount = stepTradeCount + 1;\n        if (stepTradeCount > STEP_COUNT_CAP) stepTradeCount = STEP_COUNT_CAP;\n\n        uint256 flowSize = wmul(lambdaHat, sizeHat);\n        uint256 fBase = BASE_FEE + wmul(SIGMA_COEF, sigmaHat) + wmul(LAMBDA_COEF, lambdaHat) + wmul(FLOW_SIZE_COEF, flowSize);\n        uint256 fMid = fBase + wmul(TOX_COEF, toxSignal) + wmul(TOX_QUAD_COEF, wmul(toxSignal, toxSignal)) + wmul(ACT_COEF, actEma);\n        fMid = fMid + wmul(SIGMA_TOX_COEF, wmul(sigmaHat, toxSignal));\n\n        uint256 dirDev; bool sellPressure;\n        if (dirState >= WAD) { dirDev = dirState - WAD; sellPressure = true; }\n        else { dirDev = WAD - dirState; sellPressure = false; }\n\n        uint256 skew = wmul(DIR_COEF, dirDev) + wmul(DIR_TOX_COEF, wmul(dirDev, toxSignal));\n        uint256 bidFee; uint256 askFee;\n        if (sellPressure) {\n            bidFee = fMid + skew;\n            askFee = fMid > skew ? fMid - skew : 0;\n        } else {\n            askFee = fMid + skew;\n            bidFee = fMid > skew ? fMid - skew : 0;\n        }\n\n        {\n            uint256 staleHat = wmul(pHat, 700000000000000000) + wmul(fastHat, 300000000000000000);\n            uint256 staleTox = wdiv(absDiff(spot, staleHat), staleHat);\n            if (staleTox > TOX_CAP) staleTox = TOX_CAP;\n            uint256 staleShift = wmul(STALE_DIR_COEF, staleTox);\n            uint256 attractShift = wmul(staleShift, STALE_ATTRACT_FRAC);\n            if (spot >= staleHat) {\n                bidFee = bidFee + staleShift;\n                askFee = askFee > attractShift ? askFee - attractShift : 0;\n            } else {\n                askFee = askFee + staleShift;\n                bidFee = bidFee > attractShift ? bidFee - attractShift : 0;\n            }\n        }\n\n        {\n            bool tradeAligned = (trade.isBuy && spot >= pHat) || (!trade.isBuy && spot < pHat);\n            if (tradeAligned) {\n                uint256 tradeBoost = wmul(TRADE_TOX_BOOST, tradeRatio);\n                if (trade.isBuy) { bidFee = bidFee + tradeBoost; }\n                else { askFee = askFee + tradeBoost; }\n            }\n        }\n\n        // Flow reduction is applied to the mid and the full fee arithmetic replayed.\n        uint256 flowTerms = wmul(LAMBDA_COEF, lambdaHat) + wmul(FLOW_SIZE_COEF, flowSize) + wmul(ACT_COEF, actEma);\n        uint256 reducedFlow = wmul(flowTerms, 600000000000000000);\n        uint256 altMid = fMid - (flowTerms - reducedFlow);\n        uint256 altBid; uint256 altAsk;\n        if (sellPressure) {\n            altBid = altMid + skew;\n            altAsk = altMid > skew ? altMid - skew : 0;\n        } else {\n            altAsk = altMid + skew;\n            altBid = altMid > skew ? altMid - skew : 0;\n        }\n\n        {\n            uint256 staleHat = wmul(pHat, 700000000000000000) + wmul(fastHat, 300000000000000000);\n            uint256 staleTox = wdiv(absDiff(spot, staleHat), staleHat);\n            if (staleTox > TOX_CAP) staleTox = TOX_CAP;\n            uint256 staleShift = wmul(STALE_DIR_COEF, staleTox);\n            uint256 attractShift = wmul(staleShift, STALE_ATTRACT_FRAC);\n            if (spot >= staleHat) {\n                altBid = altBid + staleShift;\n                altAsk = altAsk > attractShift ? altAsk - attractShift : 0;\n            } else {\n                altAsk = altAsk + staleShift;\n                altBid = altBid > attractShift ? altBid - attractShift : 0;\n            }\n        }\n\n        {\n            bool tradeAligned = (trade.isBuy && spot >= pHat) || (!trade.isBuy && spot < pHat);\n            if (tradeAligned) {\n                uint256 tradeBoost = wmul(TRADE_TOX_BOOST, tradeRatio);\n                if (trade.isBuy) { altBid = altBid + tradeBoost; }\n                else { altAsk = altAsk + tradeBoost; }\n            }\n        }\n\n        if (sellPressure) {\n            bidFee = clampFee(_compressTailWithSlope(bidFee, TAIL_SLOPE_PROTECT));\n            askFee = clampFee(_compressTailWithSlope(askFee, TAIL_SLOPE_ATTRACT));\n        } else {\n            askFee = clampFee(_compressTailWithSlope(askFee, TAIL_SLOPE_PROTECT));\n            bidFee = clampFee(_compressTailWithSlope(bidFee, TAIL_SLOPE_ATTRACT));\n        }\n\n        bool changeBid = bidFee <= askFee;\n        bool changeAsk = askFee <= bidFee;\n        if (sellPressure) {\n            altBid = clampFee(_compressTailWithSlope(altBid, TAIL_SLOPE_PROTECT));\n            altAsk = clampFee(_compressTailWithSlope(altAsk, TAIL_SLOPE_ATTRACT));\n        } else {\n            altAsk = clampFee(_compressTailWithSlope(altAsk, TAIL_SLOPE_PROTECT));\n            altBid = clampFee(_compressTailWithSlope(altBid, TAIL_SLOPE_ATTRACT));\n        }\n\n        if (changeBid) bidFee = altBid;\n        if (changeAsk) askFee = altAsk;\n        slots[0] = bidFee; slots[1] = askFee; slots[2] = (spot << 64) | trade.timestamp;\n        slots[3] = dirState; slots[4] = actEma; slots[5] = pHat;\n        slots[6] = sigmaHat; slots[7] = lambdaHat; slots[8] = sizeHat;\n        slots[9] = toxEma; slots[10] = stepTradeCount;\n\n        return (bidFee, askFee);\n    }\n\n    function _compressTailWithSlope(uint256 fee, uint256 slope) internal pure returns (uint256) {\n        if (fee <= TAIL_KNEE) return fee;\n        return TAIL_KNEE + wmul(fee - TAIL_KNEE, slope);\n    }\n\n    function _powWad(uint256 factor, uint256 exp) internal pure returns (uint256 result) {\n        result = WAD;\n        while (exp > 0) {\n            if (exp & 1 == 1) result = wmul(result, factor);\n            factor = wmul(factor, factor);\n            exp >>= 1;\n        }\n    }\n\n    function _decayCentered(uint256 centered, uint256 decayFactor, uint256 elapsed) internal pure returns (uint256) {\n        uint256 mul = _powWad(decayFactor, elapsed);\n        if (centered >= WAD) { return WAD + wmul(centered - WAD, mul); }\n        uint256 below = wmul(WAD - centered, mul);\n        return below < WAD ? WAD - below : 0;\n    }\n\n    // Floor square root: bit-length seed and seven Newton steps (all uint256).\n    function _isqrt(uint256 x) internal pure returns (uint256 r) {\n        if (x == 0) return 0;\n        unchecked {\n            uint256 y = x;\n            r = 1;\n            if (y >> 128 != 0) { y >>= 128; r <<= 64; }\n            if (y >> 64 != 0) { y >>= 64; r <<= 32; }\n            if (y >> 32 != 0) { y >>= 32; r <<= 16; }\n            if (y >> 16 != 0) { y >>= 16; r <<= 8; }\n            if (y >> 8 != 0) { y >>= 8; r <<= 4; }\n            if (y >> 4 != 0) { y >>= 4; r <<= 2; }\n            if (y >> 2 != 0) { r <<= 1; }\n            r = (r + x / r) >> 1;\n            r = (r + x / r) >> 1;\n            r = (r + x / r) >> 1;\n            r = (r + x / r) >> 1;\n            r = (r + x / r) >> 1;\n            r = (r + x / r) >> 1;\n            r = (r + x / r) >> 1;\n            uint256 t = x / r;\n            return r < t ? r : t;\n        }\n    }\n\n    function getName() external pure override returns (string memory) { return \"no_cubic\"; }\n}\n",
  "sha256": "eff0628f5bde5302483ddb14f0fd9e17c89c252958e204c514c88df0e66e40e3",
  "base_sha256": "610c1905e7dd5559b84e40a3b2d6f8e0b53a7b0ac7574ae33b6c1770a28367cb",
  "variants": [
    {
      "id": "c03",
      "params": {
        "side": "non-exposed",
        "multiplier": 0.3
      },
      "stage": "screen",
      "n": 256,
      "mean_diff": -3.785119454904722,
      "se": 0.057342778261093574,
      "oog": 0,
      "v2_oog": 0,
      "valid": true,
      "invalid_reasons": [],
      "sha256": "e9f1bcf4c0eed2f03ced9f8239fdf94ffd40f66992ed8f61cae3189318a9b680"
    },
    {
      "id": "c06",
      "params": {
        "side": "non-exposed",
        "multiplier": 0.6
      },
      "stage": "screen",
      "n": 256,
      "mean_diff": -1.521126122043713,
      "se": 0.044788181856571664,
      "oog": 0,
      "v2_oog": 0,
      "valid": true,
      "invalid_reasons": [],
      "sha256": "eff0628f5bde5302483ddb14f0fd9e17c89c252958e204c514c88df0e66e40e3"
    },
    {
      "id": "k3",
      "params": {
        "side": "non-exposed",
        "cap_bps": 3
      },
      "stage": "screen",
      "n": 256,
      "mean_diff": -4.701763060821848,
      "se": 0.06489210173571144,
      "oog": 0,
      "v2_oog": 0,
      "valid": true,
      "invalid_reasons": [],
      "sha256": "4256386edab77cb19004f8b692e439e89d50f819d423fc6f105a576c2954724d"
    },
    {
      "id": "k5",
      "params": {
        "side": "non-exposed",
        "cap_bps": 5
      },
      "stage": "screen",
      "n": 256,
      "mean_diff": -3.6705263877184926,
      "se": 0.06027911614028252,
      "oog": 0,
      "v2_oog": 0,
      "valid": true,
      "invalid_reasons": [],
      "sha256": "1b63a7b44c28023e244021154058c2b183bc17f287e71e9fcc2ba604f60f3887"
    },
    {
      "id": "k8",
      "params": {
        "side": "non-exposed",
        "cap_bps": 8
      },
      "stage": "screen",
      "n": 256,
      "mean_diff": -2.219230044993332,
      "se": 0.053253435627986984,
      "oog": 0,
      "v2_oog": 0,
      "valid": true,
      "invalid_reasons": [],
      "sha256": "4e0c36e6cc30c70105e890c194d141f08cfabcc0ef474352a84297b8c5d0d4f4"
    },
    {
      "id": "k8both",
      "params": {
        "side": "both",
        "cap_bps": 8
      },
      "stage": "screen",
      "n": 256,
      "mean_diff": -16.423898384330947,
      "se": 0.21214215807798126,
      "oog": 0,
      "v2_oog": 0,
      "valid": true,
      "invalid_reasons": [],
      "sha256": "7c9a056af37522e53c50a1ed3e40485887f3907170e73169582d882c54c2fe28"
    },
    {
      "id": "c06",
      "params": {
        "side": "non-exposed",
        "multiplier": 0.6
      },
      "stage": "refine",
      "n": 512,
      "mean_diff": -1.514565429208266,
      "se": 0.02844668097701661,
      "oog": 0,
      "v2_oog": 4,
      "valid": true,
      "invalid_reasons": [],
      "sha256": "eff0628f5bde5302483ddb14f0fd9e17c89c252958e204c514c88df0e66e40e3"
    },
    {
      "id": "k8",
      "params": {
        "side": "non-exposed",
        "cap_bps": 8
      },
      "stage": "refine",
      "n": 512,
      "mean_diff": -2.130646605826916,
      "se": 0.03202252719275481,
      "oog": 0,
      "v2_oog": 4,
      "valid": true,
      "invalid_reasons": [],
      "sha256": "4e0c36e6cc30c70105e890c194d141f08cfabcc0ef474352a84297b8c5d0d4f4"
    }
  ],
  "paired": {
    "label": "candidate_minus_V2",
    "n": 2000,
    "mean_diff": -1.4766523924772437,
    "se": 0.014986912954709391,
    "sd": 0.6702351227920486,
    "n_nonzero": 2000,
    "max_abs_diff": 5.2683860007985,
    "worst": [
      {
        "seed": 4330448,
        "diff": -4.080938609876057,
        "edge_a": 732.4940054541876,
        "edge_b": 736.5749440640636
      },
      {
        "seed": 4330680,
        "diff": -3.7893140374089853,
        "edge_a": 713.8773484325164,
        "edge_b": 717.6666624699254
      },
      {
        "seed": 4331698,
        "diff": -3.7363498083135482,
        "edge_a": 559.8387063071596,
        "edge_b": 563.5750561154731
      },
      {
        "seed": 4331769,
        "diff": -3.686561137197714,
        "edge_a": 720.6014615061032,
        "edge_b": 724.2880226433009
      },
      {
        "seed": 4330159,
        "diff": -3.585374679277379,
        "edge_a": 732.6217823445718,
        "edge_b": 736.2071570238492
      }
    ]
  },
  "split": {
    "cand": {
      "retail": 554.6321864957121,
      "arb": -28.446347141314764
    },
    "v2": {
      "retail": 555.6905726615854,
      "arb": -28.028080914710813
    },
    "terciles": [
      {
        "n": 667,
        "mean_diff": -1.5423889431175486,
        "se": 0.01982462675803547,
        "v2_retail_volume_min": 55734.64520935752,
        "v2_retail_volume_max": 70799.71612841099
      },
      {
        "n": 667,
        "mean_diff": -1.4457624006497503,
        "se": 0.027643129144603134,
        "v2_retail_volume_min": 70806.87697170743,
        "v2_retail_volume_max": 81975.71780159199
      },
      {
        "n": 666,
        "mean_diff": -1.4417535115040525,
        "se": 0.0292768443776868,
        "v2_retail_volume_min": 81999.72710001844,
        "v2_retail_volume_max": 98869.3895227338
      }
    ]
  },
  "gas": {
    "max_ok": 220981,
    "oog": 0,
    "reverts": 0,
    "other_halts": 0,
    "init_max": 220981
  },
  "v2_gas": {
    "max_ok": 243757,
    "oog": 30,
    "reverts": 0,
    "other_halts": 0,
    "init_max": 236377
  },
  "seeds": {
    "screen": [
      50000,
      50255
    ],
    "refine": [
      52000,
      52511
    ],
    "holdout": [
      4330000,
      4331999
    ],
    "inclusive": true,
    "steps": 10000,
    "gas_cap": 250000
  },
  "valid": true,
  "blocked": null,
  "invalid_reasons": [],
  "frozen": {
    "id": "c06",
    "sha256": "eff0628f5bde5302483ddb14f0fd9e17c89c252958e204c514c88df0e66e40e3",
    "params": {
      "side": "non-exposed",
      "multiplier": 0.6
    },
    "time_utc": "2026-11-08T04:50:28Z"
  },
  "measurement": {
    "n_workers": 8,
    "opponent": "VanillaStrategy",
    "separate_markets": true,
    "edge_units": "Y per simulation",
    "retail_volume_for_terciles": "V2 submission realized retail volume in Y",
    "side_rule": "Compare original final clamped fees on current candidate estimator state; ties modify both. Recompute the entire mapping with reduced flow sum, preserving the exposed original fee.",
    "holdout_seconds": {
      "cand": 1614.979,
      "v2": 1636.303
    },
    "engine_optimization": "Unused per-step chart snapshots omitted; compiled for native CPU. Economic updates and gas counters unchanged; all recorded fields bit-identical on 16 already-measured training seeds.",
    "compiler": "solc 0.8.24; optimizer runs=200; viaIR=true; identical standard-JSON compiler requests cached",
    "repo_commit": "6b6921f8d463314aa7c96234e1be25a25245f704",
    "v2_sha256": "28417e116f57f1029fdd1803832e852574902c1ae7253c05657f317db76da4ab",
    "unmeasured_variants": [],
    "gas_scope": "Frozen candidate and exact V2 on the same 2000 holdout seeds; max_ok includes successful callbacks, init_max is separately reported."
  },
  "verification": {
    "harness_self_checks": {
      "matchrunner_equal_10000_10031": true,
      "far_block_len": 4,
      "far_block_seconds": 0.0003,
      "allocation_scales_with_n": true,
      "far_seed_equals_single": true,
      "validity_cases": {
        "cand_oog_equal_v2_valid": true,
        "cand_oog_less_valid": true,
        "cand_oog_more_invalid": true,
        "v2_oog_alone_not_invalid": true,
        "revert_invalid": true,
        "ref_revert_invalid": true,
        "vanilla_oog_invalid": true,
        "vanilla_other_invalid": true,
        "incomplete_invalid": true,
        "control_oog_match_valid": true,
        "control_oog_mismatch_invalid": true
      },
      "all_pass": true
    },
    "trace_optimization": {
      "n": 16,
      "all_fields_bit_identical": true,
      "counters_per_seed_match_global": true,
      "seconds": 12.884,
      "failed_seeds": []
    },
    "holdout_statistics_recomputed": true,
    "holdout_counters_match_global": true
  }
}
