S Price: $0.067939 (+1.79%)
Gas: 55 Gwei

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0x4Bf990b5b15AD7ff50FC638365270D80fd13b5Ce

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Sonic LogoSonic LogoSonic Logo0 S

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Contract Name:
IdleModule

Compiler Version
v0.8.30+commit.73712a01

Optimization Enabled:
Yes with 100000 runs

Other Settings:
cancun EvmVersion
// SPDX-License-Identifier: UNLICENSED
pragma solidity ^0.8.30;

import {IAaveV3Pool} from "../interfaces/IAaveV3Pool.sol";
import {IAccountValuesLens} from "../interfaces/IAccountValuesLens.sol";
import {PMStorage} from "../storage/PMStorage.sol";
import {IERC20} from "@openzeppelin/contracts/token/ERC20/IERC20.sol";
import {IConfigRegistry} from "../interfaces/IConfigRegistry.sol";
import {SafeERC20} from "@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol";

contract IdleModule is PMStorage {
    function harvestIdle(address asset, bool strict) external {
        if (address(config) == address(0)) revert("IDLE_CONFIG_ZERO");
        IConfigRegistry.IdleCfg memory icfg = config.getIdleCfg(asset);
        if (!icfg.aaveEnabled) return;
        if (icfg.aavePool == address(0) || icfg.aToken == address(0)) {
            if (strict) {
                if (icfg.aavePool == address(0)) revert("IDLE_POOL_ZERO");
                if (icfg.aToken == address(0)) revert("IDLE_ATOKEN_ZERO");
            }
            return;
        }

        AssetState storage s = astate[asset];
        uint256 u = IERC20(icfg.aToken).balanceOf(address(this));
        uint256 p = s.idlePrincipal;
        if (u == p) return;

        if (u > p) {
            uint256 delta = u - p;
            IConfigRegistry.AssetCfg memory c = config.getAssetCfg(asset);
            uint256 reserveAdd = (delta * c.reserveFactorBps) / BPS;
            if (reserveAdd > 0) s.reserves += reserveAdd;
            uint256 toSuppliers = delta - reserveAdd;
            if (toSuppliers > 0) {
                uint256 ts = s.totalSupplied;
                if (ts > 0) {
                    uint256 dIdx = (toSuppliers * WAD) / ts;
                    s.supplyIndexWad += dIdx;
                    s.supplierInterestAccrued += toSuppliers;
                } else {
                    s.reserves += toSuppliers;
                }
            }
            s.idlePrincipal = u;
            emit IdleHarvested(asset, delta, 0, s.supplyIndexWad);
        } else {
            uint256 loss = p - u;
            if (strict) {
                if (s.reserves < loss) revert("IDLE_LOSS_GT_RES");
                s.reserves -= loss;
                s.idlePrincipal = u;
                emit IdleHarvested(asset, 0, loss, s.supplyIndexWad);
            } else {
                return;
            }
        }
    }

    function rebalanceIdle(address asset) external {
        if (address(config) == address(0)) revert("IDLE_CONFIG_ZERO");
        IConfigRegistry.IdleCfg memory icfg = config.getIdleCfg(asset);
        if (!icfg.aaveEnabled) revert("IDLE_NOT_ENABLED");
        if (icfg.aavePool == address(0)) revert("IDLE_POOL_ZERO");
        if (icfg.aToken == address(0)) revert("IDLE_ATOKEN_ZERO");

        AssetState storage s = astate[asset];
        uint256 cash = s.cash;
        uint256 buffer = icfg.cashBuffer;

        if (cash > buffer) {
            uint256 excess = cash - buffer;
            uint16 bpsCap = icfg.maxDepositBps == 0 ? uint16(BPS) : icfg.maxDepositBps;
            uint256 capAmt = (excess * bpsCap) / BPS;
            uint256 toDeposit = capAmt > 0 ? (capAmt > excess ? excess : capAmt) : 0;
            if (toDeposit == 0 || toDeposit < icfg.minRebalance) revert("IDLE_MIN_REBAL");

            IERC20(asset).approve(icfg.aavePool, 0);
            IERC20(asset).approve(icfg.aavePool, toDeposit);
            IAaveV3Pool(icfg.aavePool).supply(asset, toDeposit, address(this), 0);
            IERC20(asset).approve(icfg.aavePool, 0);

            s.cash = cash - toDeposit;
            s.idlePrincipal += toDeposit;
            emit IdleRebalanced(asset, toDeposit, 0, s.idlePrincipal, s.cash);
            return;
        }

        if (cash < buffer) {
            uint256 need = buffer - cash;
            uint256 withdrawn = IAaveV3Pool(icfg.aavePool).withdraw(asset, need, address(this));
            if (withdrawn == 0 || withdrawn < icfg.minRebalance) revert("IDLE_MIN_REBAL");
            s.cash = cash + withdrawn;
            uint256 p = s.idlePrincipal;
            s.idlePrincipal = p > withdrawn ? (p - withdrawn) : 0;
            emit IdleRebalanced(asset, 0, withdrawn, s.idlePrincipal, s.cash);
            return;
        }
        revert("IDLE_NOTHING");
    }

    function pullFromIdleIfNeeded(address asset, uint256 minCash)
        external
        returns (uint256 pulled)
    {
        if (address(config) == address(0)) revert("IDLE_CONFIG_ZERO");
        AssetState storage s = astate[asset];
        if (s.cash >= minCash) return 0;
        IConfigRegistry.IdleCfg memory icfg = config.getIdleCfg(asset);
        if (!icfg.aaveEnabled || icfg.aavePool == address(0) || icfg.aToken == address(0)) {
            return 0;
        }

        // realize positive yield
        {
            IConfigRegistry.IdleCfg memory icfg2 = config.getIdleCfg(asset);
            if (icfg2.aaveEnabled && icfg2.aToken != address(0)) {
                AssetState storage s2 = astate[asset];
                uint256 u = IERC20(icfg2.aToken).balanceOf(address(this));
                uint256 p2 = s2.idlePrincipal;
                if (u > p2) {
                    uint256 delta = u - p2;
                    IConfigRegistry.AssetCfg memory c2 = config.getAssetCfg(asset);
                    uint256 reserveAdd2 = (delta * c2.reserveFactorBps) / BPS;
                    if (reserveAdd2 > 0) s2.reserves += reserveAdd2;
                    uint256 toSuppliers2 = delta - reserveAdd2;
                    if (toSuppliers2 > 0) {
                        uint256 ts2 = s2.totalSupplied;
                        if (ts2 > 0) {
                            uint256 dIdx2 = (toSuppliers2 * WAD) / ts2;
                            s2.supplyIndexWad += dIdx2;
                            s2.supplierInterestAccrued += toSuppliers2;
                        } else {
                            s2.reserves += toSuppliers2;
                        }
                    }
                    s2.idlePrincipal = u;
                    emit IdleRebalanced(asset, 0, 0, s2.idlePrincipal, s2.cash);
                }
            }
        }

        uint256 need = minCash - s.cash;
        pulled = IAaveV3Pool(icfg.aavePool).withdraw(asset, need, address(this));
        if (pulled > 0) {
            s.cash += pulled;
            uint256 p = s.idlePrincipal;
            s.idlePrincipal = p > pulled ? (p - pulled) : 0;
            emit IdleRebalanced(asset, 0, pulled, s.idlePrincipal, s.cash);
        }
    }
}

// SPDX-License-Identifier: UNLICENSED
pragma solidity ^0.8.30;

interface IAaveV3Pool {
    /// @notice Supply `amount` of `asset` on behalf of `onBehalfOf`.
    /// @param asset underlying ERC20 asset
    /// @param amount amount of underlying to supply
    /// @param onBehalfOf address that receives the aTokens
    /// @param referralCode referral code (0 if none)
    function supply(address asset, uint256 amount, address onBehalfOf, uint16 referralCode) external;

    /// @notice Withdraw `amount` of `asset` to `to`. Returns actually withdrawn amount.
    /// @param asset underlying ERC20 asset
    /// @param amount amount of underlying to withdraw (type(uint256).max to withdraw all)
    /// @param to destination address
    function withdraw(address asset, uint256 amount, address to) external returns (uint256);
}

// SPDX-License-Identifier: UNLICENSED
pragma solidity ^0.8.30;

interface IAccountValuesLens {
    function accountValues(address pm, address user)
        external
        view
        returns (uint256 collUSD, uint256 debtUSD, uint256 collUSDNoLTV);
}

File 4 of 14 : PMStorage.sol
// SPDX-License-Identifier: UNLICENSED
pragma solidity ^0.8.30;

import {ConfigRegistry} from "../ConfigRegistry.sol";
import {IAccountValuesLens} from "../interfaces/IAccountValuesLens.sol";
import {IPerpPnlView} from "../interfaces/IPerpPnlView.sol";

abstract contract PMStorage {
    uint256 internal constant WAD = 1e18;
    uint256 internal constant BPS = 1e4;

    struct Balance {
        uint256 avail;
        uint256 hold;
    }

    struct DebtData {
        uint256 principal;
        uint256 indexAtOpenWad;
    }

    struct AssetState {
        uint256 borrowIndexWad;
        uint256 lastAccrual;
        uint256 cash;
        uint256 borrows;
        uint256 reserves;
        // Supplier interest index (additive, WAD) and total supplied principal (token units)
        uint256 supplyIndexWad;
        uint256 totalSupplied;
        // Unclaimable supplier interest bucket (asset units) accrued since last settlement
        uint256 supplierInterestAccrued;
        // FT rewards index paid per unit of supplier interest (WAD)
        uint256 ftPerInterestIndexWad;
        // FT index snapshot at epoch open (WAD) to bound prior-epoch settlement
        uint256 ftIndexAtEpochOpenWad;
        // Snapshot of supply index at last FT settlement (WAD)
        uint256 lastSupplyIndexSettledWad;
        // Snapshot of supply index at the previous epoch open (WAD) to split multi-epoch catch-ups
        uint256 prevSupplyIndexSettledWad;
        // Frozen base units for a settlement epoch (asset units) — denominator for FT per-interest index
        uint256 settlementBaseUnits;
        // Amount of base units already settled in the current epoch (asset units)
        uint256 settlementUnitsSettled;
        // Monotonic settlement epoch id (increments each epoch start)
        uint64 settleEpoch;
        // Underlying principal invested into Aave (asset units)
        uint256 idlePrincipal;
    }

    // --- PositionsManager storage (prefix must match exact declaration order) ---
    ConfigRegistry public config;
    // Skip fields before collateral/debt only if order matches; we include full block necessary
    address public admin;
    mapping(address => bool) public engines; // PositionsManager, RFQ, ftLP, OrderBook, AMM, etc

    // Core ledgers
    // user => token => {avail,hold}
    mapping(address => mapping(address => Balance)) public collateral;
    mapping(address => mapping(address => DebtData)) public debt; // user->asset->debt
    mapping(address => AssetState) public astate;

    // Per-account active asset sets (separate for clarity & simpler netting)
    mapping(address => address[]) internal _userCollAssets; // user -> assets with non-zero collateral
    mapping(address => mapping(address => uint256)) internal _collIx; // user->asset->index+1 (0 = absent)
    mapping(address => address[]) internal _userDebtAssets; // user -> assets with non-zero debt
    mapping(address => mapping(address => uint256)) internal _debtIx; // user->asset->index+1 (0 = absent)

    // ===== Perp PnL (view-only, liquidation/HF only) =====
    IPerpPnlView public perpPnlView; // single engine
    uint32 public perpPnlMaxAge = 60; // seconds; 0 = no staleness check

    // Externalized account valuation lens (upgradeable)
    IAccountValuesLens public valuesLens;

    // Emergency per-asset borrow pause (deposits/withdraws still governed by asset enabled flag)
    mapping(address => bool) public borrowPaused;
    // Emergency per-asset deposit/withdraw pause (orthogonal to `enabled` and borrowPaused)
    mapping(address => bool) public depositPaused;
    mapping(address => bool) public withdrawPaused;

    // ========== Supplier interest accounting (Aave-like) ==========
    // Per-user last synchronized index for an asset
    mapping(address => mapping(address => uint256)) public userSupplyIndexWad; // user->asset->index
    // Note: supplier interest is not claimable in-kind; FT settlement uses userInterestSettledUnits.
    // Historical per-user interest is derived on-the-fly via indices; no storage bucket needed.

    // System token used to settle supplier interest into FT collateral
    address public systemTokenFT;
    // FT sweep guardrails
    uint256 public ftDustThreshold; // max FT amount sweepable per call
    uint256 public ftRequiredCashBuffer; // min FT cash to retain after sweep
    // Per-user FT reward index snapshots per source asset (per interest unit)
    mapping(address => mapping(address => uint256)) public userFtPerInterestIndexWad; // user->asset->idx
    // Per-user eligible supplier interest units realized up to last settlement boundary
    mapping(address => mapping(address => uint256)) public userInterestSettledUnits; // user->asset->interestUnits
    // Per-user supply index snapshot at last FT settlement boundary applied to the user
    mapping(address => mapping(address => uint256)) public userSupplyIdxAtSettleWad; // user->asset->idx
    // Per-user last observed settlement epoch for srcAsset
    mapping(address => mapping(address => uint64)) public userSettleEpoch; // user->asset->epoch

    bytes32 public DOMAIN_SEPARATOR;
    mapping(address => mapping(bytes32 => uint256)) public noncesTyped;
    address public ftModule;
    address public metaActions;
    // Caps in token units (0 = no cap)
    mapping(address => uint256) public supplyCap; // asset => max (cash + borrows)
    mapping(address => uint256) public borrowCap; // asset => max borrows
    // Per-account, per-asset nominal debt cap in token units (0 = no cap)
    mapping(address => mapping(address => uint256)) public accountBorrowCap; // user => asset => cap

    address public idleModule;

    // Events signature (emitted via delegatecall from PM address)
    event InterestSettledWithFT(
        address indexed asset,
        uint256 expectedOutAsset,
        uint256 ftAmountIn,
        uint256 conversionCoeffWad,
        uint256 deltaSupplyIdxPaidWad
    );
    event IdleHarvested(
        address indexed asset, uint256 yieldUnits, uint256 reservesUsed, uint256 newSupplyIndexWad
    );
    event IdleRebalanced(
        address indexed asset,
        uint256 deposited,
        uint256 withdrawn,
        uint256 newIdlePrincipal,
        uint256 newCash
    );
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.4.0) (token/ERC20/IERC20.sol)

pragma solidity >=0.4.16;

/**
 * @dev Interface of the ERC-20 standard as defined in the ERC.
 */
interface IERC20 {
    /**
     * @dev Emitted when `value` tokens are moved from one account (`from`) to
     * another (`to`).
     *
     * Note that `value` may be zero.
     */
    event Transfer(address indexed from, address indexed to, uint256 value);

    /**
     * @dev Emitted when the allowance of a `spender` for an `owner` is set by
     * a call to {approve}. `value` is the new allowance.
     */
    event Approval(address indexed owner, address indexed spender, uint256 value);

    /**
     * @dev Returns the value of tokens in existence.
     */
    function totalSupply() external view returns (uint256);

    /**
     * @dev Returns the value of tokens owned by `account`.
     */
    function balanceOf(address account) external view returns (uint256);

    /**
     * @dev Moves a `value` amount of tokens from the caller's account to `to`.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * Emits a {Transfer} event.
     */
    function transfer(address to, uint256 value) external returns (bool);

    /**
     * @dev Returns the remaining number of tokens that `spender` will be
     * allowed to spend on behalf of `owner` through {transferFrom}. This is
     * zero by default.
     *
     * This value changes when {approve} or {transferFrom} are called.
     */
    function allowance(address owner, address spender) external view returns (uint256);

    /**
     * @dev Sets a `value` amount of tokens as the allowance of `spender` over the
     * caller's tokens.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * IMPORTANT: Beware that changing an allowance with this method brings the risk
     * that someone may use both the old and the new allowance by unfortunate
     * transaction ordering. One possible solution to mitigate this race
     * condition is to first reduce the spender's allowance to 0 and set the
     * desired value afterwards:
     * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
     *
     * Emits an {Approval} event.
     */
    function approve(address spender, uint256 value) external returns (bool);

    /**
     * @dev Moves a `value` amount of tokens from `from` to `to` using the
     * allowance mechanism. `value` is then deducted from the caller's
     * allowance.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * Emits a {Transfer} event.
     */
    function transferFrom(address from, address to, uint256 value) external returns (bool);
}

// SPDX-License-Identifier: UNLICENSED
pragma solidity ^0.8.30;

interface IConfigRegistry {
    error Unauthorized();
    error NotGuardian();
    error OracleTimelock();
    error NoTimelock();
    error TimelockNotReached();
    error LTVTimelock();
    error OnlyIncrease();
    error HealthFactorMinimum();
    error InvalidBps();

    struct AssetCfg {
        address irm;
        uint16 ltvBps; // Loan-to-Value in bps
        uint16 reserveFactorBps; // Reserve Factor in bps
        bool enabled;
    }

    // ========== Idle/Aave configuration ==========
    struct IdleCfg {
        bool aaveEnabled; // enable supply-only strategy on Aave for this asset
        address aavePool; // Aave V3 Pool address
        address aToken; // corresponding aToken for the underlying asset
        uint256 cashBuffer; // keep at least this much underlying liquid in PM
        uint256 minRebalance; // min amount to move on a rebalance to avoid dust churn
        uint16 maxDepositBps; // cap how much of on-hand cash can be deposited per rebalance (in bps of (cash - buffer))
    }

    event OwnerChanged(address indexed o);
    event GuardianChanged(address indexed g);
    event AssetSet(address indexed asset, AssetCfg cfg);
    event IdleCfgSet(address indexed asset, IdleCfg cfg);
    event OracleSet(address indexed router);
    event HFTargetSet(uint16 bps);
    event HFSafeSet(uint16 bps);
    event DelaySet(uint32 delaySec);
    event LtvChangeProposed(address indexed asset, uint16 oldLtv, uint16 newLtv, uint64 eta);
    event LtvChangeExecuted(address indexed asset, uint16 newLtv);
    event OracleChangeProposed(address indexed next, uint64 eta);
    event OracleChangeExecuted(address indexed next);

    function getAssetCfg(address asset) external view returns (AssetCfg memory);
    function getIdleCfg(address asset) external view returns (IdleCfg memory);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.3.0) (token/ERC20/utils/SafeERC20.sol)

pragma solidity ^0.8.20;

import {IERC20} from "../IERC20.sol";
import {IERC1363} from "../../../interfaces/IERC1363.sol";

/**
 * @title SafeERC20
 * @dev Wrappers around ERC-20 operations that throw on failure (when the token
 * contract returns false). Tokens that return no value (and instead revert or
 * throw on failure) are also supported, non-reverting calls are assumed to be
 * successful.
 * To use this library you can add a `using SafeERC20 for IERC20;` statement to your contract,
 * which allows you to call the safe operations as `token.safeTransfer(...)`, etc.
 */
library SafeERC20 {
    /**
     * @dev An operation with an ERC-20 token failed.
     */
    error SafeERC20FailedOperation(address token);

    /**
     * @dev Indicates a failed `decreaseAllowance` request.
     */
    error SafeERC20FailedDecreaseAllowance(address spender, uint256 currentAllowance, uint256 requestedDecrease);

    /**
     * @dev Transfer `value` amount of `token` from the calling contract to `to`. If `token` returns no value,
     * non-reverting calls are assumed to be successful.
     */
    function safeTransfer(IERC20 token, address to, uint256 value) internal {
        _callOptionalReturn(token, abi.encodeCall(token.transfer, (to, value)));
    }

    /**
     * @dev Transfer `value` amount of `token` from `from` to `to`, spending the approval given by `from` to the
     * calling contract. If `token` returns no value, non-reverting calls are assumed to be successful.
     */
    function safeTransferFrom(IERC20 token, address from, address to, uint256 value) internal {
        _callOptionalReturn(token, abi.encodeCall(token.transferFrom, (from, to, value)));
    }

    /**
     * @dev Variant of {safeTransfer} that returns a bool instead of reverting if the operation is not successful.
     */
    function trySafeTransfer(IERC20 token, address to, uint256 value) internal returns (bool) {
        return _callOptionalReturnBool(token, abi.encodeCall(token.transfer, (to, value)));
    }

    /**
     * @dev Variant of {safeTransferFrom} that returns a bool instead of reverting if the operation is not successful.
     */
    function trySafeTransferFrom(IERC20 token, address from, address to, uint256 value) internal returns (bool) {
        return _callOptionalReturnBool(token, abi.encodeCall(token.transferFrom, (from, to, value)));
    }

    /**
     * @dev Increase the calling contract's allowance toward `spender` by `value`. If `token` returns no value,
     * non-reverting calls are assumed to be successful.
     *
     * IMPORTANT: If the token implements ERC-7674 (ERC-20 with temporary allowance), and if the "client"
     * smart contract uses ERC-7674 to set temporary allowances, then the "client" smart contract should avoid using
     * this function. Performing a {safeIncreaseAllowance} or {safeDecreaseAllowance} operation on a token contract
     * that has a non-zero temporary allowance (for that particular owner-spender) will result in unexpected behavior.
     */
    function safeIncreaseAllowance(IERC20 token, address spender, uint256 value) internal {
        uint256 oldAllowance = token.allowance(address(this), spender);
        forceApprove(token, spender, oldAllowance + value);
    }

    /**
     * @dev Decrease the calling contract's allowance toward `spender` by `requestedDecrease`. If `token` returns no
     * value, non-reverting calls are assumed to be successful.
     *
     * IMPORTANT: If the token implements ERC-7674 (ERC-20 with temporary allowance), and if the "client"
     * smart contract uses ERC-7674 to set temporary allowances, then the "client" smart contract should avoid using
     * this function. Performing a {safeIncreaseAllowance} or {safeDecreaseAllowance} operation on a token contract
     * that has a non-zero temporary allowance (for that particular owner-spender) will result in unexpected behavior.
     */
    function safeDecreaseAllowance(IERC20 token, address spender, uint256 requestedDecrease) internal {
        unchecked {
            uint256 currentAllowance = token.allowance(address(this), spender);
            if (currentAllowance < requestedDecrease) {
                revert SafeERC20FailedDecreaseAllowance(spender, currentAllowance, requestedDecrease);
            }
            forceApprove(token, spender, currentAllowance - requestedDecrease);
        }
    }

    /**
     * @dev Set the calling contract's allowance toward `spender` to `value`. If `token` returns no value,
     * non-reverting calls are assumed to be successful. Meant to be used with tokens that require the approval
     * to be set to zero before setting it to a non-zero value, such as USDT.
     *
     * NOTE: If the token implements ERC-7674, this function will not modify any temporary allowance. This function
     * only sets the "standard" allowance. Any temporary allowance will remain active, in addition to the value being
     * set here.
     */
    function forceApprove(IERC20 token, address spender, uint256 value) internal {
        bytes memory approvalCall = abi.encodeCall(token.approve, (spender, value));

        if (!_callOptionalReturnBool(token, approvalCall)) {
            _callOptionalReturn(token, abi.encodeCall(token.approve, (spender, 0)));
            _callOptionalReturn(token, approvalCall);
        }
    }

    /**
     * @dev Performs an {ERC1363} transferAndCall, with a fallback to the simple {ERC20} transfer if the target has no
     * code. This can be used to implement an {ERC721}-like safe transfer that rely on {ERC1363} checks when
     * targeting contracts.
     *
     * Reverts if the returned value is other than `true`.
     */
    function transferAndCallRelaxed(IERC1363 token, address to, uint256 value, bytes memory data) internal {
        if (to.code.length == 0) {
            safeTransfer(token, to, value);
        } else if (!token.transferAndCall(to, value, data)) {
            revert SafeERC20FailedOperation(address(token));
        }
    }

    /**
     * @dev Performs an {ERC1363} transferFromAndCall, with a fallback to the simple {ERC20} transferFrom if the target
     * has no code. This can be used to implement an {ERC721}-like safe transfer that rely on {ERC1363} checks when
     * targeting contracts.
     *
     * Reverts if the returned value is other than `true`.
     */
    function transferFromAndCallRelaxed(
        IERC1363 token,
        address from,
        address to,
        uint256 value,
        bytes memory data
    ) internal {
        if (to.code.length == 0) {
            safeTransferFrom(token, from, to, value);
        } else if (!token.transferFromAndCall(from, to, value, data)) {
            revert SafeERC20FailedOperation(address(token));
        }
    }

    /**
     * @dev Performs an {ERC1363} approveAndCall, with a fallback to the simple {ERC20} approve if the target has no
     * code. This can be used to implement an {ERC721}-like safe transfer that rely on {ERC1363} checks when
     * targeting contracts.
     *
     * NOTE: When the recipient address (`to`) has no code (i.e. is an EOA), this function behaves as {forceApprove}.
     * Opposedly, when the recipient address (`to`) has code, this function only attempts to call {ERC1363-approveAndCall}
     * once without retrying, and relies on the returned value to be true.
     *
     * Reverts if the returned value is other than `true`.
     */
    function approveAndCallRelaxed(IERC1363 token, address to, uint256 value, bytes memory data) internal {
        if (to.code.length == 0) {
            forceApprove(token, to, value);
        } else if (!token.approveAndCall(to, value, data)) {
            revert SafeERC20FailedOperation(address(token));
        }
    }

    /**
     * @dev Imitates a Solidity high-level call (i.e. a regular function call to a contract), relaxing the requirement
     * on the return value: the return value is optional (but if data is returned, it must not be false).
     * @param token The token targeted by the call.
     * @param data The call data (encoded using abi.encode or one of its variants).
     *
     * This is a variant of {_callOptionalReturnBool} that reverts if call fails to meet the requirements.
     */
    function _callOptionalReturn(IERC20 token, bytes memory data) private {
        uint256 returnSize;
        uint256 returnValue;
        assembly ("memory-safe") {
            let success := call(gas(), token, 0, add(data, 0x20), mload(data), 0, 0x20)
            // bubble errors
            if iszero(success) {
                let ptr := mload(0x40)
                returndatacopy(ptr, 0, returndatasize())
                revert(ptr, returndatasize())
            }
            returnSize := returndatasize()
            returnValue := mload(0)
        }

        if (returnSize == 0 ? address(token).code.length == 0 : returnValue != 1) {
            revert SafeERC20FailedOperation(address(token));
        }
    }

    /**
     * @dev Imitates a Solidity high-level call (i.e. a regular function call to a contract), relaxing the requirement
     * on the return value: the return value is optional (but if data is returned, it must not be false).
     * @param token The token targeted by the call.
     * @param data The call data (encoded using abi.encode or one of its variants).
     *
     * This is a variant of {_callOptionalReturn} that silently catches all reverts and returns a bool instead.
     */
    function _callOptionalReturnBool(IERC20 token, bytes memory data) private returns (bool) {
        bool success;
        uint256 returnSize;
        uint256 returnValue;
        assembly ("memory-safe") {
            success := call(gas(), token, 0, add(data, 0x20), mload(data), 0, 0x20)
            returnSize := returndatasize()
            returnValue := mload(0)
        }
        return success && (returnSize == 0 ? address(token).code.length > 0 : returnValue == 1);
    }
}

// SPDX-License-Identifier: UNLICENSED
pragma solidity ^0.8.30;

import {Initializable} from "./utils/Initializable.sol";
import {IConfigRegistry} from "./interfaces/IConfigRegistry.sol";

contract ConfigRegistry is Initializable, IConfigRegistry {
    address public owner;
    address public guardian;

    mapping(address => AssetCfg) public assetCfg;
    mapping(address => IdleCfg) public idleCfg; // asset => cfg

    address public oracleRouter;
    uint16 public hfTargetBps = 11000; // 110%
    uint16 public hfSafeBps = 12000; // 120%

    modifier onlyOwner() {
        _onlyOwner();
        _;
    }

    modifier onlyGuardianOrOwner() {
        _onlyGuardianOrOwner();
        _;
    }

    function _onlyOwner() internal view {
        if (msg.sender != owner) revert Unauthorized();
    }

    function _onlyGuardianOrOwner() internal view {
        if (msg.sender != guardian && msg.sender != owner) revert NotGuardian();
    }

    function initialize(address _owner, address _oracle) external initializer {
        owner = _owner;
        oracleRouter = _oracle;
        guardian = _owner;
        // set default risk thresholds to match constructor-era defaults
        hfTargetBps = 11000; // 110%
        hfSafeBps = 12000; // 120%
        // delay remains 0 by default
    }

    // Timelock delay for sensitive changes (seconds). Default 0 = disabled.
    uint32 public delay;

    function setDelay(uint32 d) external onlyOwner {
        delay = d;
        emit DelaySet(d);
    }

    function setOwner(address o) external onlyOwner {
        owner = o;
        emit OwnerChanged(o);
    }

    function setGuardian(address g) external onlyOwner {
        guardian = g;
        emit GuardianChanged(g);
    }

    // Immediate oracle update only when delay==0
    function setOracle(address o) external onlyOwner {
        if (delay != 0) revert OracleTimelock();
        oracleRouter = o;
        emit OracleSet(o);
    }

    struct PendingOracle {
        address next;
        uint64 eta;
    }

    PendingOracle public pendingOracle;

    function proposeOracle(address next) external onlyOwner {
        if (delay == 0) revert NoTimelock();
        uint64 eta = uint64(block.timestamp + delay);
        pendingOracle = PendingOracle({next: next, eta: eta});
        emit OracleChangeProposed(next, eta);
    }

    function executeOracle() external onlyOwner {
        if (pendingOracle.eta == 0 || block.timestamp < pendingOracle.eta) {
            revert TimelockNotReached();
        }
        oracleRouter = pendingOracle.next;
        emit OracleChangeExecuted(pendingOracle.next);
        delete pendingOracle;
    }

    function setAsset(address asset, AssetCfg calldata c) external onlyOwner {
        // Sanity checks: bps fields must be within [0, 10000]
        if (c.ltvBps > 10000 || c.reserveFactorBps > 10000) revert InvalidBps();
        AssetCfg memory prev = assetCfg[asset];
        if (delay > 0) {
            if (c.ltvBps > prev.ltvBps) revert LTVTimelock(); // increases must go through timelock
        }
        assetCfg[asset] = c;
        emit AssetSet(asset, c);
    }

    function setIdleCfg(address asset, IdleCfg calldata c) external onlyOwner {
        // No timelock requirement by default; governance can choose to add if needed externally
        idleCfg[asset] = c;
        emit IdleCfgSet(asset, c);
    }

    struct PendingLtv {
        uint16 ltvBps;
        uint64 eta;
    }

    mapping(address => PendingLtv) public pendingLtv;

    function proposeAssetLtv(address asset, uint16 newLtvBps) external onlyOwner {
        AssetCfg memory prev = assetCfg[asset];
        if (delay == 0) revert NoTimelock();
        if (newLtvBps > 10000) revert InvalidBps();
        if (newLtvBps < prev.ltvBps) revert OnlyIncrease();
        uint64 eta = uint64(block.timestamp + delay);
        pendingLtv[asset] = PendingLtv({ltvBps: newLtvBps, eta: eta});
        emit LtvChangeProposed(asset, prev.ltvBps, newLtvBps, eta);
    }

    function executeAssetLtv(address asset) external onlyOwner {
        PendingLtv memory p = pendingLtv[asset];
        if (p.eta == 0 || block.timestamp < p.eta) revert TimelockNotReached();
        AssetCfg storage cfg = assetCfg[asset];
        cfg.ltvBps = p.ltvBps;
        emit LtvChangeExecuted(asset, p.ltvBps);
        delete pendingLtv[asset];
        emit AssetSet(asset, cfg);
    }

    function getAssetCfg(address asset) external view returns (AssetCfg memory) {
        return assetCfg[asset];
    }

    function getIdleCfg(address asset) external view returns (IdleCfg memory) {
        return idleCfg[asset];
    }

    function setHFTarget(uint16 bps) external onlyGuardianOrOwner {
        if (bps < 10000) revert HealthFactorMinimum();
        hfTargetBps = bps;
        emit HFTargetSet(bps);
    }

    function setHFSafe(uint16 bps) external onlyGuardianOrOwner {
        if (bps < hfTargetBps) revert HealthFactorMinimum();
        hfSafeBps = bps;
        emit HFSafeSet(bps);
    }
}

// SPDX-License-Identifier: UNLICENSED
pragma solidity ^0.8.30;

interface IPerpPnlView {
    /// @return pnlUSDWad signed USD in 1e18; positive = profit, negative = loss
    /// @return updatedAt epoch seconds of the PnL snapshot
    function pnlUSD(address user) external view returns (int256 pnlUSDWad, uint64 updatedAt);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.4.0) (interfaces/IERC1363.sol)

pragma solidity >=0.6.2;

import {IERC20} from "./IERC20.sol";
import {IERC165} from "./IERC165.sol";

/**
 * @title IERC1363
 * @dev Interface of the ERC-1363 standard as defined in the https://eips.ethereum.org/EIPS/eip-1363[ERC-1363].
 *
 * Defines an extension interface for ERC-20 tokens that supports executing code on a recipient contract
 * after `transfer` or `transferFrom`, or code on a spender contract after `approve`, in a single transaction.
 */
interface IERC1363 is IERC20, IERC165 {
    /*
     * Note: the ERC-165 identifier for this interface is 0xb0202a11.
     * 0xb0202a11 ===
     *   bytes4(keccak256('transferAndCall(address,uint256)')) ^
     *   bytes4(keccak256('transferAndCall(address,uint256,bytes)')) ^
     *   bytes4(keccak256('transferFromAndCall(address,address,uint256)')) ^
     *   bytes4(keccak256('transferFromAndCall(address,address,uint256,bytes)')) ^
     *   bytes4(keccak256('approveAndCall(address,uint256)')) ^
     *   bytes4(keccak256('approveAndCall(address,uint256,bytes)'))
     */

    /**
     * @dev Moves a `value` amount of tokens from the caller's account to `to`
     * and then calls {IERC1363Receiver-onTransferReceived} on `to`.
     * @param to The address which you want to transfer to.
     * @param value The amount of tokens to be transferred.
     * @return A boolean value indicating whether the operation succeeded unless throwing.
     */
    function transferAndCall(address to, uint256 value) external returns (bool);

    /**
     * @dev Moves a `value` amount of tokens from the caller's account to `to`
     * and then calls {IERC1363Receiver-onTransferReceived} on `to`.
     * @param to The address which you want to transfer to.
     * @param value The amount of tokens to be transferred.
     * @param data Additional data with no specified format, sent in call to `to`.
     * @return A boolean value indicating whether the operation succeeded unless throwing.
     */
    function transferAndCall(address to, uint256 value, bytes calldata data) external returns (bool);

    /**
     * @dev Moves a `value` amount of tokens from `from` to `to` using the allowance mechanism
     * and then calls {IERC1363Receiver-onTransferReceived} on `to`.
     * @param from The address which you want to send tokens from.
     * @param to The address which you want to transfer to.
     * @param value The amount of tokens to be transferred.
     * @return A boolean value indicating whether the operation succeeded unless throwing.
     */
    function transferFromAndCall(address from, address to, uint256 value) external returns (bool);

    /**
     * @dev Moves a `value` amount of tokens from `from` to `to` using the allowance mechanism
     * and then calls {IERC1363Receiver-onTransferReceived} on `to`.
     * @param from The address which you want to send tokens from.
     * @param to The address which you want to transfer to.
     * @param value The amount of tokens to be transferred.
     * @param data Additional data with no specified format, sent in call to `to`.
     * @return A boolean value indicating whether the operation succeeded unless throwing.
     */
    function transferFromAndCall(address from, address to, uint256 value, bytes calldata data) external returns (bool);

    /**
     * @dev Sets a `value` amount of tokens as the allowance of `spender` over the
     * caller's tokens and then calls {IERC1363Spender-onApprovalReceived} on `spender`.
     * @param spender The address which will spend the funds.
     * @param value The amount of tokens to be spent.
     * @return A boolean value indicating whether the operation succeeded unless throwing.
     */
    function approveAndCall(address spender, uint256 value) external returns (bool);

    /**
     * @dev Sets a `value` amount of tokens as the allowance of `spender` over the
     * caller's tokens and then calls {IERC1363Spender-onApprovalReceived} on `spender`.
     * @param spender The address which will spend the funds.
     * @param value The amount of tokens to be spent.
     * @param data Additional data with no specified format, sent in call to `spender`.
     * @return A boolean value indicating whether the operation succeeded unless throwing.
     */
    function approveAndCall(address spender, uint256 value, bytes calldata data) external returns (bool);
}

// SPDX-License-Identifier: UNLICENSED
pragma solidity ^0.8.30;

/**
 * Minimal initializer guard for proxy-based deployments.
 * Mirrors the common pattern: one-time initialize() replacing constructors.
 */
abstract contract Initializable {
    bool private _initialized;

    modifier initializer() {
        _initializer();
        _;
    }

    function _initializer() internal {
        require(!_initialized, "Initializable: already initialized");
        _initialized = true;
    }

    function initialized() public view returns (bool) {
        return _initialized;
    }
}

File 12 of 14 : IERC20.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.4.0) (interfaces/IERC20.sol)

pragma solidity >=0.4.16;

import {IERC20} from "../token/ERC20/IERC20.sol";

File 13 of 14 : IERC165.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.4.0) (interfaces/IERC165.sol)

pragma solidity >=0.4.16;

import {IERC165} from "../utils/introspection/IERC165.sol";

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.4.0) (utils/introspection/IERC165.sol)

pragma solidity >=0.4.16;

/**
 * @dev Interface of the ERC-165 standard, as defined in the
 * https://eips.ethereum.org/EIPS/eip-165[ERC].
 *
 * Implementers can declare support of contract interfaces, which can then be
 * queried by others ({ERC165Checker}).
 *
 * For an implementation, see {ERC165}.
 */
interface IERC165 {
    /**
     * @dev Returns true if this contract implements the interface defined by
     * `interfaceId`. See the corresponding
     * https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[ERC section]
     * to learn more about how these ids are created.
     *
     * This function call must use less than 30 000 gas.
     */
    function supportsInterface(bytes4 interfaceId) external view returns (bool);
}

Settings
{
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    "@openzeppelin/contracts/=lib/openzeppelin-contracts/contracts/",
    "erc4626-tests/=lib/openzeppelin-contracts/lib/erc4626-tests/",
    "forge-std/=lib/forge-std/src/",
    "halmos-cheatcodes/=lib/openzeppelin-contracts/lib/halmos-cheatcodes/src/",
    "openzeppelin-contracts/=lib/openzeppelin-contracts/"
  ],
  "optimizer": {
    "enabled": true,
    "runs": 100000
  },
  "metadata": {
    "useLiteralContent": false,
    "bytecodeHash": "none",
    "appendCBOR": false
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "evmVersion": "cancun",
  "viaIR": true
}

Contract Security Audit

Contract ABI

API
[{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"asset","type":"address"},{"indexed":false,"internalType":"uint256","name":"yieldUnits","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"reservesUsed","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"newSupplyIndexWad","type":"uint256"}],"name":"IdleHarvested","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"asset","type":"address"},{"indexed":false,"internalType":"uint256","name":"deposited","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"withdrawn","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"newIdlePrincipal","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"newCash","type":"uint256"}],"name":"IdleRebalanced","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"asset","type":"address"},{"indexed":false,"internalType":"uint256","name":"expectedOutAsset","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"ftAmountIn","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"conversionCoeffWad","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"deltaSupplyIdxPaidWad","type":"uint256"}],"name":"InterestSettledWithFT","type":"event"},{"inputs":[],"name":"DOMAIN_SEPARATOR","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"},{"internalType":"address","name":"","type":"address"}],"name":"accountBorrowCap","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"admin","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"astate","outputs":[{"internalType":"uint256","name":"borrowIndexWad","type":"uint256"},{"internalType":"uint256","name":"lastAccrual","type":"uint256"},{"internalType":"uint256","name":"cash","type":"uint256"},{"internalType":"uint256","name":"borrows","type":"uint256"},{"internalType":"uint256","name":"reserves","type":"uint256"},{"internalType":"uint256","name":"supplyIndexWad","type":"uint256"},{"internalType":"uint256","name":"totalSupplied","type":"uint256"},{"internalType":"uint256","name":"supplierInterestAccrued","type":"uint256"},{"internalType":"uint256","name":"ftPerInterestIndexWad","type":"uint256"},{"internalType":"uint256","name":"ftIndexAtEpochOpenWad","type":"uint256"},{"internalType":"uint256","name":"lastSupplyIndexSettledWad","type":"uint256"},{"internalType":"uint256","name":"prevSupplyIndexSettledWad","type":"uint256"},{"internalType":"uint256","name":"settlementBaseUnits","type":"uint256"},{"internalType":"uint256","name":"settlementUnitsSettled","type":"uint256"},{"internalType":"uint64","name":"settleEpoch","type":"uint64"},{"internalType":"uint256","name":"idlePrincipal","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"borrowCap","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"borrowPaused","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"},{"internalType":"address","name":"","type":"address"}],"name":"collateral","outputs":[{"internalType":"uint256","name":"avail","type":"uint256"},{"internalType":"uint256","name":"hold","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"config","outputs":[{"internalType":"contract ConfigRegistry","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"},{"internalType":"address","name":"","type":"address"}],"name":"debt","outputs":[{"internalType":"uint256","name":"principal","type":"uint256"},{"internalType":"uint256","name":"indexAtOpenWad","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"depositPaused","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"engines","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"ftDustThreshold","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"ftModule","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"ftRequiredCashBuffer","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"asset","type":"address"},{"internalType":"bool","name":"strict","type":"bool"}],"name":"harvestIdle","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"idleModule","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"metaActions","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"},{"internalType":"bytes32","name":"","type":"bytes32"}],"name":"noncesTyped","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"perpPnlMaxAge","outputs":[{"internalType":"uint32","name":"","type":"uint32"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"perpPnlView","outputs":[{"internalType":"contract IPerpPnlView","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"asset","type":"address"},{"internalType":"uint256","name":"minCash","type":"uint256"}],"name":"pullFromIdleIfNeeded","outputs":[{"internalType":"uint256","name":"pulled","type":"uint256"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"asset","type":"address"}],"name":"rebalanceIdle","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"supplyCap","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"systemTokenFT","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"},{"internalType":"address","name":"","type":"address"}],"name":"userFtPerInterestIndexWad","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"},{"internalType":"address","name":"","type":"address"}],"name":"userInterestSettledUnits","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"},{"internalType":"address","name":"","type":"address"}],"name":"userSettleEpoch","outputs":[{"internalType":"uint64","name":"","type":"uint64"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"},{"internalType":"address","name":"","type":"address"}],"name":"userSupplyIdxAtSettleWad","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"},{"internalType":"address","name":"","type":"address"}],"name":"userSupplyIndexWad","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"valuesLens","outputs":[{"internalType":"contract IAccountValuesLens","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"withdrawPaused","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"}]

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A contract address hosts a smart contract, which is a set of code stored on the blockchain that runs when predetermined conditions are met. Learn more about addresses in our Knowledge Base.