Contract 0x0cec5271f0e4fc8dbd83b5f1764ad513e6716fc5

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0x0e7ce0f191bb9ffa6ae5386c9ac57ce5df64374286434f076c599918b697943cMint55756922022-11-15 18:03:4573 days 19 hrs ago0x7ea05fd70ccbb7c147a82a49a3bbecf12b7927d3 IN  0x0cec5271f0e4fc8dbd83b5f1764ad513e6716fc50 CRO0.170620839921 4,877.110676924
0x48779e13167b4b7813796e5cad0f1615e114c5505bbeed8be3ead336962f66e2Mint55752332022-11-15 17:20:1973 days 19 hrs ago0x7ea05fd70ccbb7c147a82a49a3bbecf12b7927d3 IN  0x0cec5271f0e4fc8dbd83b5f1764ad513e6716fc50 CRO0.170797150921 4,877.131665366
0x29013a5938cbcba2affc2638ae5143b16a2f9f1d6589ff7960dd1b972df62798Mint55737422022-11-15 14:58:5273 days 22 hrs ago0x7ea05fd70ccbb7c147a82a49a3bbecf12b7927d3 IN  0x0cec5271f0e4fc8dbd83b5f1764ad513e6716fc50 CRO0.170740982792 4,877.199005739
0xf897fb11a00e2236d6f41f8e0909c7d15d2ed60a8b0edc2a702f14c08522af8cRedeem43705322022-08-28 13:22:12152 days 23 hrs ago0x0022ffe02dedd4510675e63371bc7b7314f5b4ac IN  0x0cec5271f0e4fc8dbd83b5f1764ad513e6716fc50 CRO0.7343785924160
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0x6c3eee54ced687c6a7a6f187e39e449255bb8de20bb2eabd8d69efa5967e690eRedeem39641862022-08-01 21:19:30179 days 15 hrs ago0xe79d5f9a5540060f9cc051c94ec6f4b1ea9cd080 IN  0x0cec5271f0e4fc8dbd83b5f1764ad513e6716fc50 CRO0.744569223215 4,998.484302494
0x6c14b6ca2c9badf4ae920cb192163daa6083aa984750b2b67e0cb892aeb1a009Mint38495312022-07-25 8:28:28187 days 4 hrs ago0xd3f32d2f76e7b9eb2de07456205621a0d4834db1 IN  0x0cec5271f0e4fc8dbd83b5f1764ad513e6716fc50 CRO0.1737532898720
0xf8169acfd9b1af53f5aa55b09671faa3c3fbacb6dc69aa52882fd5364b1ac815Mint38169432022-07-23 4:57:50189 days 8 hrs ago0x3e9a40e07de62f15e4ab2db205065528d0707c34 IN  0x0cec5271f0e4fc8dbd83b5f1764ad513e6716fc50 CRO0.173746608820
0x8cade3cfc2cee888507c2dd7cacd032e76c5473183dff7efbe64b877ebbdd2a4Mint38071722022-07-22 13:30:55189 days 23 hrs ago0x7e447717fd71653702f4754a178a57547b089c15 IN  0x0cec5271f0e4fc8dbd83b5f1764ad513e6716fc50 CRO0.1731675881480
0xd7bc897e9fc1490f3d68b413ed28b3f537941f1ef2d4d75018571a8bd7b5ee77Mint38071462022-07-22 13:28:27189 days 23 hrs ago0x7e447717fd71653702f4754a178a57547b089c15 IN  0x0cec5271f0e4fc8dbd83b5f1764ad513e6716fc50 CRO0.1731676299490
0x12ef3ec59d72c3eda958fdf0b3410e5c1b3079133be7f26752595b7a91ce3519Redeem36322882022-07-11 0:43:55201 days 12 hrs ago0x518a9d51ba8841046859a7722e75f92ffdadd0c4 IN  0x0cec5271f0e4fc8dbd83b5f1764ad513e6716fc50 CRO0.739677110421 4,966.042353468
0xacbefbf7132e1331d4848a459e6874fa7975ef386a164d53c3f5538acac66c9eRedeem36322842022-07-11 0:43:33201 days 12 hrs ago0x518a9d51ba8841046859a7722e75f92ffdadd0c4 IN  0x0cec5271f0e4fc8dbd83b5f1764ad513e6716fc50 CRO0.739701867243 4,966.208565753
0x2e2fce998cbf493b671dc054f54e06c9051247cd8adf72a620275651b0cb3585Mint36302532022-07-10 21:30:46201 days 15 hrs ago0x55c94cdd9fab62f44cff8a7aad2098589b408457 IN  0x0cec5271f0e4fc8dbd83b5f1764ad513e6716fc50 CRO0.1740996175130
0x37b3148c9cfa35043c59e732f4b0e2982ab186ff99d86f0c4ccec3fea168115eMint36262962022-07-10 15:14:45201 days 21 hrs ago0xc00250c34985535e08fd075bbfbbed88afe2aa41 IN  0x0cec5271f0e4fc8dbd83b5f1764ad513e6716fc50 CRO0.173502456183 4,966.294257603
0x30412299c2d5d7046686a1a85a5cce2d0bf21a7816bceec3b71c911c090221d4Redeem36262812022-07-10 15:13:20201 days 21 hrs ago0xc00250c34985535e08fd075bbfbbed88afe2aa41 IN  0x0cec5271f0e4fc8dbd83b5f1764ad513e6716fc50 CRO0.739535938868 4,966.294893384
0xc6136a9920a5d44d4ebcc87b4402ddae6862ef0c23253ff5e774cfb9f2ba6d15Redeem36148812022-07-09 21:11:48202 days 15 hrs ago0x070a32874d4cf378215f59539a4aae1e5858b1be IN  0x0cec5271f0e4fc8dbd83b5f1764ad513e6716fc50 CRO0.739668899824 4,966.787533318
0x8b74853a6c7112fa94f2acbf847df3615ae232f35aff8f453b997fe1cfcfe1c3Redeem36148652022-07-09 21:10:18202 days 15 hrs ago0x070a32874d4cf378215f59539a4aae1e5858b1be IN  0x0cec5271f0e4fc8dbd83b5f1764ad513e6716fc50 CRO0.739609400304 4,966.788217827
0x6dcd3d17300b21cb20c7cf58bac1ef4319c4be7cf249cedb79eccdcebbbfe79cRedeem36068082022-07-09 8:26:17203 days 4 hrs ago0xdcf6d0c0d7064fb42fef1346c84fb759bff4f81a IN  0x0cec5271f0e4fc8dbd83b5f1764ad513e6716fc50 CRO0.739839349686 4,967.131595042
0x88af66693ff4ed6a4e2078c53640e3b11d3e3b0c806dda95d5c7e71a987d80e0Redeem36068042022-07-09 8:25:54203 days 4 hrs ago0xdcf6d0c0d7064fb42fef1346c84fb759bff4f81a IN  0x0cec5271f0e4fc8dbd83b5f1764ad513e6716fc50 CRO0.73983936866 4,967.131722431
0xe6591e213a26bf8780fa61d4cc120de274be57f89d17695902e3d49c00c066e7Redeem35860252022-07-07 23:35:22204 days 13 hrs ago0x7e6eb2123463ca93bd0ef64bbcdde8db16d77c42 IN  0x0cec5271f0e4fc8dbd83b5f1764ad513e6716fc50 CRO0.739971949896 4,968.021846005
0x3be76d41354324b5f3696b1e50e1be45c149ad23349fcc0b7c39cdee05c5b706Redeem35860162022-07-07 23:34:29204 days 13 hrs ago0x7e6eb2123463ca93bd0ef64bbcdde8db16d77c42 IN  0x0cec5271f0e4fc8dbd83b5f1764ad513e6716fc50 CRO0.739972006349 4,968.022225013
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Contract Source Code Verified (Exact Match)

Contract Name:
Pool

Compiler Version
v0.8.4+commit.c7e474f2

Optimization Enabled:
Yes with 200 runs

Other Settings:
default evmVersion

Contract Source Code (Solidity Standard Json-Input format)

File 1 of 12 : Pool.sol
// SPDX-License-Identifier: MIT

pragma solidity >0.6.12;
pragma experimental ABIEncoderV2;

import "@openzeppelin/contracts/utils/math/SafeMath.sol";
import "@openzeppelin/contracts/token/ERC20/ERC20.sol";
import "@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol";
import "@openzeppelin/contracts/security/ReentrancyGuard.sol";

import "./interfaces/ITreasury.sol";
import "./interfaces/IOracle.sol";
import "./interfaces/IPool.sol";

interface I10MBToken {
    function mint(address _to, uint256 _amount) external;
    function balanceOf(address account) external view returns (uint256);
    function transfer(address recipient, uint256 amount) external returns (bool);
    function poolBurnFrom(address _address, uint256 _amount) external;
    function poolMint(address _address, uint256 _amount) external;
}

interface I10SHAREToken {
    function mint(address _to, uint256 _amount) external;
    function balanceOf(address account) external view returns (uint256);
    function transfer(address recipient, uint256 amount) external returns (bool);
    function poolBurnFrom(address _address, uint256 _amount) external;
    function poolMint(address _address, uint256 _amount) external;
}

contract Pool is ReentrancyGuard, IPool {
    using SafeMath for uint256;
    using SafeERC20 for ERC20;

    /* ========== STATE VARIABLES ========== */

    address public collateral;
    address public _10MB;
    address public treasury;
    address public _10SHARE;

    mapping(address => uint256) public redeem_share_balances;
    mapping(address => uint256) public redeem_collateral_balances;

    uint256 public unclaimed_pool_collateral;
    uint256 public unclaimed_pool_share;

    mapping(address => uint256) public last_redeemed;

    uint256 public netMinted;
    uint256 public netRedeemed;

    // Constants for various precisions
    uint256 private constant PRICE_PRECISION = 1e6;
    uint256 private constant COLLATERAL_RATIO_PRECISION = 1e6;
    uint256 private constant COLLATERAL_RATIO_MAX = 1e6;

    // Number of decimals needed to get to 18
    uint256 private missing_decimals;

    // Pool_ceiling is the total units of collateral that a pool contract can hold
    uint256 public pool_ceiling = 0;

    // Number of blocks to wait before being able to collectRedemption()
    uint256 public redemption_delay = 1;

    uint256 public twapPriceScalingPercentage = 9800; // 98% to start

    // AccessControl state variables
    bool public mint_paused = true;
    bool public redeem_paused = false;
    bool public migrated = false;

    address public operator;

    /* ========== MODIFIERS ========== */

    modifier onlyOperator() {
        require(operator == msg.sender, "Pool: caller is not the operator");
        _;
    }

    modifier notMigrated() {
        require(!migrated, "migrated");
        _;
    }

    modifier onlyTreasury() {
        require(msg.sender == treasury, "!treasury");
        _;
    }

    /* ========== CONSTRUCTOR ========== */

    constructor(
        address __10MB,
        address __10SHARE,
        address _collateral,
        address _treasury,
        uint256 _pool_ceiling
    ) public {
        operator = msg.sender;

        _10MB = __10MB;
        _10SHARE = __10SHARE;
        collateral = _collateral;
        treasury = _treasury;
        pool_ceiling = _pool_ceiling;
        missing_decimals = uint256(18).sub(ERC20(_collateral).decimals());
    }

    /* ========== VIEWS ========== */

    // Returns 10MB value of collateral held in this pool
    function collateral10MBBalance() external view override returns (uint256) {
        return (ERC20(collateral).balanceOf(address(this)).sub(unclaimed_pool_collateral)).mul(10**missing_decimals);//.mul(collateral_usd_price).div(PRICE_PRECISION);
    }

    function info()
        external
        view
        returns (
            uint256,
            uint256,
            uint256,
            uint256,
            uint256,
            bool,
            bool
        )
    {
        return (
            pool_ceiling, // Ceiling of pool - collateral-amount
            ERC20(collateral).balanceOf(address(this)), // amount of COLLATERAL locked in this contract
            unclaimed_pool_collateral, // unclaimed amount of COLLATERAL
            unclaimed_pool_share, // unclaimed amount of SHARE
            getCollateralPrice(), // collateral price
            mint_paused,
            redeem_paused
        );
    }

    /* ========== PUBLIC FUNCTIONS ========== */

    function getCollateralPrice() public pure override returns (uint256) {
        // only for USDT
        return PRICE_PRECISION;
    }

    function getCollateralToken() external view override returns (address) {
        return collateral;
    }

    function netSupplyMinted() external view override returns (uint256) {
        if (netMinted > netRedeemed)
            return netMinted.sub(netRedeemed);
        return 0;
    }

    function mint(
        uint256 _collateral_amount,
        uint256 _share_amount,
        uint256 _10MB_out_min
    ) external notMigrated {
        require(block.timestamp >= ITreasury(treasury).startTime(), "Minting hasnt started yet!");
        require(mint_paused == false, "Minting is paused");

        (uint256 _10MBPrice, uint256 _share_price, , uint256 _target_collateral_ratio, , , uint256 _minting_fee, ) = ITreasury(treasury).info();
        require(ERC20(collateral).balanceOf(address(this)).sub(unclaimed_pool_collateral).add(_collateral_amount) <= pool_ceiling, ">poolCeiling");
        uint256 _total_10MB_value = 0;
        uint256 _required_share_amount = 0;
        if (_target_collateral_ratio > 0) {
            uint256 _collateral_value = (_collateral_amount * (10**missing_decimals));//.mul(_price_collateral).div(PRICE_PRECISION);
            _total_10MB_value = _collateral_value.mul(COLLATERAL_RATIO_PRECISION).div(_target_collateral_ratio);
            if (_target_collateral_ratio < COLLATERAL_RATIO_MAX) {
                _required_share_amount = _total_10MB_value.sub(_collateral_value).mul(PRICE_PRECISION).div(_share_price);
            }
        } else {
            _total_10MB_value = _share_amount.mul(_share_price).div(PRICE_PRECISION);
            _required_share_amount = _share_amount;
        }

        // 10mb is 1/10 usd
        uint256 _actual_10MB_amount = _total_10MB_value.sub((_total_10MB_value.mul(_minting_fee)).div(PRICE_PRECISION)).mul(10);

        if (_10MBPrice > 1e5) {
            _actual_10MB_amount = _actual_10MB_amount.mul(1e5).div(_10MBPrice.sub(1e5).mul(twapPriceScalingPercentage).div(10000).add(1e5));
        }

        require(_10MB_out_min <= _actual_10MB_amount, ">slippage");

        if (_required_share_amount > 0) {
            require(_required_share_amount <= _share_amount, "<shareBalance");
            I10SHAREToken(_10SHARE).poolBurnFrom(msg.sender, _required_share_amount);
        }
        if (_collateral_amount > 0) {
            ERC20(collateral).transferFrom(msg.sender, address(this), _collateral_amount);
        }

        netMinted = netMinted.add(_actual_10MB_amount);

        I10MBToken(_10MB).poolMint(msg.sender, _actual_10MB_amount);

        ITreasury(treasury).treasuryUpdates();

        emit Minted(msg.sender, _collateral_amount, _required_share_amount, _actual_10MB_amount);
    }

    function redeem(
        uint256 _10MB_amount,
        uint256 _share_out_min,
        uint256 _collateral_out_min
    ) external notMigrated {
        require(block.timestamp >= ITreasury(treasury).startTime(), "Redeeming hasnt started yet!");
        require(redeem_paused == false, "Redeeming is paused");
        
        (, uint256 _share_price, , , uint256 _effective_collateral_ratio, , , uint256 _redemption_fee) = ITreasury(treasury).info();
        uint256 _10MB_amount_post_fee = _10MB_amount.sub((_10MB_amount.mul(_redemption_fee)).div(PRICE_PRECISION));
        uint256 _collateral_output_amount = 0;
        uint256 _share_output_amount = 0;

        _effective_collateral_ratio = _effective_collateral_ratio.mul(10);

        if (_effective_collateral_ratio < COLLATERAL_RATIO_MAX) {
            uint256 _share_output_value = _10MB_amount_post_fee.sub(_10MB_amount_post_fee.mul(_effective_collateral_ratio).div(PRICE_PRECISION));
            _share_output_amount = _share_price == 0 ? 0 :  _share_output_value.mul(PRICE_PRECISION).div(_share_price);
        }

        if (_effective_collateral_ratio > 0) {
            uint256 _collateral_output_value = _10MB_amount_post_fee.mul(_effective_collateral_ratio).div(10**missing_decimals).div(PRICE_PRECISION);
            _collateral_output_amount = _collateral_output_value;//.mul(PRICE_PRECISION).div(PRICE_PRECISION);
        }

        // 10mb is 1/10 usd
        _collateral_output_amount = _collateral_output_amount.div(10);
        _share_output_amount = _share_output_amount.div(10);

        // Check if collateral balance meets and meet output expectation
        require(_collateral_output_amount <= ERC20(collateral).balanceOf(address(this)).sub(unclaimed_pool_collateral), "<collateralBlanace");
        require(_collateral_out_min <= _collateral_output_amount && _share_out_min <= _share_output_amount, ">slippage");


        if (_collateral_output_amount > 0) {
            redeem_collateral_balances[msg.sender] = redeem_collateral_balances[msg.sender].add(_collateral_output_amount);
            unclaimed_pool_collateral = unclaimed_pool_collateral.add(_collateral_output_amount);
        }

        if (_share_output_amount > 0) {
            redeem_share_balances[msg.sender] = redeem_share_balances[msg.sender].add(_share_output_amount);
            unclaimed_pool_share = unclaimed_pool_share.add(_share_output_amount);
        }

        last_redeemed[msg.sender] = block.number;

        netRedeemed = netRedeemed.add(_10MB_amount);

        // Move all external functions to the end
        I10MBToken(_10MB).poolBurnFrom(msg.sender, _10MB_amount);
        if (_share_output_amount > 0) {
            I10SHAREToken(_10SHARE).poolMint(address(this), _share_output_amount);
        }

        ITreasury(treasury).treasuryUpdates();

        emit Redeemed(msg.sender, _10MB_amount, _collateral_output_amount, _share_output_amount);
    }

    function collectRedemption() external {
        // Redeem and Collect cannot happen in the same transaction to avoid flash loan attack
        require((last_redeemed[msg.sender].add(redemption_delay)) <= block.number, "<redemption_delay");

        bool _send_share = false;
        bool _send_collateral = false;
        uint256 _share_amount;
        uint256 _collateral_amount;

        // Use Checks-Effects-Interactions pattern
        if (redeem_share_balances[msg.sender] > 0) {
            _share_amount = redeem_share_balances[msg.sender];
            redeem_share_balances[msg.sender] = 0;
            unclaimed_pool_share = unclaimed_pool_share.sub(_share_amount);
            _send_share = true;
        }

        if (redeem_collateral_balances[msg.sender] > 0) {
            _collateral_amount = redeem_collateral_balances[msg.sender];
            redeem_collateral_balances[msg.sender] = 0;
            unclaimed_pool_collateral = unclaimed_pool_collateral.sub(_collateral_amount);
            _send_collateral = true;
        }

        if (_send_share) {
            ERC20(_10SHARE).transfer(msg.sender, _share_amount);
        }

        if (_send_collateral) {
            ERC20(collateral).transfer(msg.sender, _collateral_amount);
        }

        emit RedeemCollected(msg.sender, _collateral_amount, _share_amount);
    }

    /* ========== RESTRICTED FUNCTIONS ========== */

    // move collateral to new pool address
    function migrate(address _new_pool) external override nonReentrant onlyOperator notMigrated {
        migrated = true;
        uint256 availableCollateral = ERC20(collateral).balanceOf(address(this)).sub(unclaimed_pool_collateral);
        ERC20(collateral).safeTransfer(_new_pool, availableCollateral);
    }

    function toggleMinting() external onlyOperator {
        mint_paused = !mint_paused;
    }

    function toggleRedeeming() external onlyOperator {
        redeem_paused = !redeem_paused;
    }

    function setPoolCeiling(uint256 _pool_ceiling) external onlyOperator {
        pool_ceiling = _pool_ceiling;
    }

    function setTwapPriceScalingPercentage(uint256 _twapPriceScalingPercentage) external onlyOperator {
        require(_twapPriceScalingPercentage <= 10000, "percentage out of range");
        twapPriceScalingPercentage = _twapPriceScalingPercentage;
    }

    function setRedemptionDelay(uint256 _redemption_delay) external onlyOperator {
        redemption_delay = _redemption_delay;
    }

    function setTreasury(address _treasury) external onlyOperator {
        emit TreasuryTransferred(treasury, _treasury);
        treasury = _treasury;
    }

    // Transfer collateral to Treasury to execute strategies
    function transferCollateralToTreasury(uint256 amount) external override onlyTreasury {
        require(amount > 0, "zeroAmount");
        require(treasury != address(0), "invalidTreasury");
        ERC20(collateral).safeTransfer(treasury, amount);
    }

    // Transfer collateral to Treasury to execute strategies
    function transferCollateralToOperator(uint256 amount) external onlyOperator {
        require(amount > 0, "zeroAmount");
        ERC20(collateral).safeTransfer(msg.sender, amount);
    }

    // EVENTS

    event TreasuryTransferred(address indexed previousTreasury, address indexed newTreasury);

    event Minted(address indexed user, uint256 usdtAmountIn, uint256 _10SHAREAmountIn, uint256 _10MBAmountOut);
    event Redeemed(address indexed user, uint256 _10MBAmountIn, uint256 usdtAmountOut, uint256 _10SHAREAmountOut);
    event RedeemCollected(address indexed user, uint256 usdtAmountOut, uint256 _10SHAREAmountOut);
}

File 2 of 12 : SafeMath.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/math/SafeMath.sol)

pragma solidity ^0.8.0;

// CAUTION
// This version of SafeMath should only be used with Solidity 0.8 or later,
// because it relies on the compiler's built in overflow checks.

/**
 * @dev Wrappers over Solidity's arithmetic operations.
 *
 * NOTE: `SafeMath` is generally not needed starting with Solidity 0.8, since the compiler
 * now has built in overflow checking.
 */
library SafeMath {
    /**
     * @dev Returns the addition of two unsigned integers, with an overflow flag.
     *
     * _Available since v3.4._
     */
    function tryAdd(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        unchecked {
            uint256 c = a + b;
            if (c < a) return (false, 0);
            return (true, c);
        }
    }

    /**
     * @dev Returns the substraction of two unsigned integers, with an overflow flag.
     *
     * _Available since v3.4._
     */
    function trySub(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        unchecked {
            if (b > a) return (false, 0);
            return (true, a - b);
        }
    }

    /**
     * @dev Returns the multiplication of two unsigned integers, with an overflow flag.
     *
     * _Available since v3.4._
     */
    function tryMul(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        unchecked {
            // Gas optimization: this is cheaper than requiring 'a' not being zero, but the
            // benefit is lost if 'b' is also tested.
            // See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522
            if (a == 0) return (true, 0);
            uint256 c = a * b;
            if (c / a != b) return (false, 0);
            return (true, c);
        }
    }

    /**
     * @dev Returns the division of two unsigned integers, with a division by zero flag.
     *
     * _Available since v3.4._
     */
    function tryDiv(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        unchecked {
            if (b == 0) return (false, 0);
            return (true, a / b);
        }
    }

    /**
     * @dev Returns the remainder of dividing two unsigned integers, with a division by zero flag.
     *
     * _Available since v3.4._
     */
    function tryMod(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        unchecked {
            if (b == 0) return (false, 0);
            return (true, a % b);
        }
    }

    /**
     * @dev Returns the addition of two unsigned integers, reverting on
     * overflow.
     *
     * Counterpart to Solidity's `+` operator.
     *
     * Requirements:
     *
     * - Addition cannot overflow.
     */
    function add(uint256 a, uint256 b) internal pure returns (uint256) {
        return a + b;
    }

    /**
     * @dev Returns the subtraction of two unsigned integers, reverting on
     * overflow (when the result is negative).
     *
     * Counterpart to Solidity's `-` operator.
     *
     * Requirements:
     *
     * - Subtraction cannot overflow.
     */
    function sub(uint256 a, uint256 b) internal pure returns (uint256) {
        return a - b;
    }

    /**
     * @dev Returns the multiplication of two unsigned integers, reverting on
     * overflow.
     *
     * Counterpart to Solidity's `*` operator.
     *
     * Requirements:
     *
     * - Multiplication cannot overflow.
     */
    function mul(uint256 a, uint256 b) internal pure returns (uint256) {
        return a * b;
    }

    /**
     * @dev Returns the integer division of two unsigned integers, reverting on
     * division by zero. The result is rounded towards zero.
     *
     * Counterpart to Solidity's `/` operator.
     *
     * Requirements:
     *
     * - The divisor cannot be zero.
     */
    function div(uint256 a, uint256 b) internal pure returns (uint256) {
        return a / b;
    }

    /**
     * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
     * reverting when dividing by zero.
     *
     * Counterpart to Solidity's `%` operator. This function uses a `revert`
     * opcode (which leaves remaining gas untouched) while Solidity uses an
     * invalid opcode to revert (consuming all remaining gas).
     *
     * Requirements:
     *
     * - The divisor cannot be zero.
     */
    function mod(uint256 a, uint256 b) internal pure returns (uint256) {
        return a % b;
    }

    /**
     * @dev Returns the subtraction of two unsigned integers, reverting with custom message on
     * overflow (when the result is negative).
     *
     * CAUTION: This function is deprecated because it requires allocating memory for the error
     * message unnecessarily. For custom revert reasons use {trySub}.
     *
     * Counterpart to Solidity's `-` operator.
     *
     * Requirements:
     *
     * - Subtraction cannot overflow.
     */
    function sub(
        uint256 a,
        uint256 b,
        string memory errorMessage
    ) internal pure returns (uint256) {
        unchecked {
            require(b <= a, errorMessage);
            return a - b;
        }
    }

    /**
     * @dev Returns the integer division of two unsigned integers, reverting with custom message on
     * division by zero. The result is rounded towards zero.
     *
     * Counterpart to Solidity's `/` operator. Note: this function uses a
     * `revert` opcode (which leaves remaining gas untouched) while Solidity
     * uses an invalid opcode to revert (consuming all remaining gas).
     *
     * Requirements:
     *
     * - The divisor cannot be zero.
     */
    function div(
        uint256 a,
        uint256 b,
        string memory errorMessage
    ) internal pure returns (uint256) {
        unchecked {
            require(b > 0, errorMessage);
            return a / b;
        }
    }

    /**
     * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
     * reverting with custom message when dividing by zero.
     *
     * CAUTION: This function is deprecated because it requires allocating memory for the error
     * message unnecessarily. For custom revert reasons use {tryMod}.
     *
     * Counterpart to Solidity's `%` operator. This function uses a `revert`
     * opcode (which leaves remaining gas untouched) while Solidity uses an
     * invalid opcode to revert (consuming all remaining gas).
     *
     * Requirements:
     *
     * - The divisor cannot be zero.
     */
    function mod(
        uint256 a,
        uint256 b,
        string memory errorMessage
    ) internal pure returns (uint256) {
        unchecked {
            require(b > 0, errorMessage);
            return a % b;
        }
    }
}

File 3 of 12 : ERC20.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.5.0) (token/ERC20/ERC20.sol)

pragma solidity ^0.8.0;

import "./IERC20.sol";
import "./extensions/IERC20Metadata.sol";
import "../../utils/Context.sol";

/**
 * @dev Implementation of the {IERC20} interface.
 *
 * This implementation is agnostic to the way tokens are created. This means
 * that a supply mechanism has to be added in a derived contract using {_mint}.
 * For a generic mechanism see {ERC20PresetMinterPauser}.
 *
 * TIP: For a detailed writeup see our guide
 * https://forum.zeppelin.solutions/t/how-to-implement-erc20-supply-mechanisms/226[How
 * to implement supply mechanisms].
 *
 * We have followed general OpenZeppelin Contracts guidelines: functions revert
 * instead returning `false` on failure. This behavior is nonetheless
 * conventional and does not conflict with the expectations of ERC20
 * applications.
 *
 * Additionally, an {Approval} event is emitted on calls to {transferFrom}.
 * This allows applications to reconstruct the allowance for all accounts just
 * by listening to said events. Other implementations of the EIP may not emit
 * these events, as it isn't required by the specification.
 *
 * Finally, the non-standard {decreaseAllowance} and {increaseAllowance}
 * functions have been added to mitigate the well-known issues around setting
 * allowances. See {IERC20-approve}.
 */
contract ERC20 is Context, IERC20, IERC20Metadata {
    mapping(address => uint256) private _balances;

    mapping(address => mapping(address => uint256)) private _allowances;

    uint256 private _totalSupply;

    string private _name;
    string private _symbol;

    /**
     * @dev Sets the values for {name} and {symbol}.
     *
     * The default value of {decimals} is 18. To select a different value for
     * {decimals} you should overload it.
     *
     * All two of these values are immutable: they can only be set once during
     * construction.
     */
    constructor(string memory name_, string memory symbol_) {
        _name = name_;
        _symbol = symbol_;
    }

    /**
     * @dev Returns the name of the token.
     */
    function name() public view virtual override returns (string memory) {
        return _name;
    }

    /**
     * @dev Returns the symbol of the token, usually a shorter version of the
     * name.
     */
    function symbol() public view virtual override returns (string memory) {
        return _symbol;
    }

    /**
     * @dev Returns the number of decimals used to get its user representation.
     * For example, if `decimals` equals `2`, a balance of `505` tokens should
     * be displayed to a user as `5.05` (`505 / 10 ** 2`).
     *
     * Tokens usually opt for a value of 18, imitating the relationship between
     * Ether and Wei. This is the value {ERC20} uses, unless this function is
     * overridden;
     *
     * NOTE: This information is only used for _display_ purposes: it in
     * no way affects any of the arithmetic of the contract, including
     * {IERC20-balanceOf} and {IERC20-transfer}.
     */
    function decimals() public view virtual override returns (uint8) {
        return 18;
    }

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

    /**
     * @dev See {IERC20-balanceOf}.
     */
    function balanceOf(address account) public view virtual override returns (uint256) {
        return _balances[account];
    }

    /**
     * @dev See {IERC20-transfer}.
     *
     * Requirements:
     *
     * - `to` cannot be the zero address.
     * - the caller must have a balance of at least `amount`.
     */
    function transfer(address to, uint256 amount) public virtual override returns (bool) {
        address owner = _msgSender();
        _transfer(owner, to, amount);
        return true;
    }

    /**
     * @dev See {IERC20-allowance}.
     */
    function allowance(address owner, address spender) public view virtual override returns (uint256) {
        return _allowances[owner][spender];
    }

    /**
     * @dev See {IERC20-approve}.
     *
     * NOTE: If `amount` is the maximum `uint256`, the allowance is not updated on
     * `transferFrom`. This is semantically equivalent to an infinite approval.
     *
     * Requirements:
     *
     * - `spender` cannot be the zero address.
     */
    function approve(address spender, uint256 amount) public virtual override returns (bool) {
        address owner = _msgSender();
        _approve(owner, spender, amount);
        return true;
    }

    /**
     * @dev See {IERC20-transferFrom}.
     *
     * Emits an {Approval} event indicating the updated allowance. This is not
     * required by the EIP. See the note at the beginning of {ERC20}.
     *
     * NOTE: Does not update the allowance if the current allowance
     * is the maximum `uint256`.
     *
     * Requirements:
     *
     * - `from` and `to` cannot be the zero address.
     * - `from` must have a balance of at least `amount`.
     * - the caller must have allowance for ``from``'s tokens of at least
     * `amount`.
     */
    function transferFrom(
        address from,
        address to,
        uint256 amount
    ) public virtual override returns (bool) {
        address spender = _msgSender();
        _spendAllowance(from, spender, amount);
        _transfer(from, to, amount);
        return true;
    }

    /**
     * @dev Atomically increases the allowance granted to `spender` by the caller.
     *
     * This is an alternative to {approve} that can be used as a mitigation for
     * problems described in {IERC20-approve}.
     *
     * Emits an {Approval} event indicating the updated allowance.
     *
     * Requirements:
     *
     * - `spender` cannot be the zero address.
     */
    function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) {
        address owner = _msgSender();
        _approve(owner, spender, _allowances[owner][spender] + addedValue);
        return true;
    }

    /**
     * @dev Atomically decreases the allowance granted to `spender` by the caller.
     *
     * This is an alternative to {approve} that can be used as a mitigation for
     * problems described in {IERC20-approve}.
     *
     * Emits an {Approval} event indicating the updated allowance.
     *
     * Requirements:
     *
     * - `spender` cannot be the zero address.
     * - `spender` must have allowance for the caller of at least
     * `subtractedValue`.
     */
    function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) {
        address owner = _msgSender();
        uint256 currentAllowance = _allowances[owner][spender];
        require(currentAllowance >= subtractedValue, "ERC20: decreased allowance below zero");
        unchecked {
            _approve(owner, spender, currentAllowance - subtractedValue);
        }

        return true;
    }

    /**
     * @dev Moves `amount` of tokens from `sender` to `recipient`.
     *
     * This internal function is equivalent to {transfer}, and can be used to
     * e.g. implement automatic token fees, slashing mechanisms, etc.
     *
     * Emits a {Transfer} event.
     *
     * Requirements:
     *
     * - `from` cannot be the zero address.
     * - `to` cannot be the zero address.
     * - `from` must have a balance of at least `amount`.
     */
    function _transfer(
        address from,
        address to,
        uint256 amount
    ) internal virtual {
        require(from != address(0), "ERC20: transfer from the zero address");
        require(to != address(0), "ERC20: transfer to the zero address");

        _beforeTokenTransfer(from, to, amount);

        uint256 fromBalance = _balances[from];
        require(fromBalance >= amount, "ERC20: transfer amount exceeds balance");
        unchecked {
            _balances[from] = fromBalance - amount;
        }
        _balances[to] += amount;

        emit Transfer(from, to, amount);

        _afterTokenTransfer(from, to, amount);
    }

    /** @dev Creates `amount` tokens and assigns them to `account`, increasing
     * the total supply.
     *
     * Emits a {Transfer} event with `from` set to the zero address.
     *
     * Requirements:
     *
     * - `account` cannot be the zero address.
     */
    function _mint(address account, uint256 amount) internal virtual {
        require(account != address(0), "ERC20: mint to the zero address");

        _beforeTokenTransfer(address(0), account, amount);

        _totalSupply += amount;
        _balances[account] += amount;
        emit Transfer(address(0), account, amount);

        _afterTokenTransfer(address(0), account, amount);
    }

    /**
     * @dev Destroys `amount` tokens from `account`, reducing the
     * total supply.
     *
     * Emits a {Transfer} event with `to` set to the zero address.
     *
     * Requirements:
     *
     * - `account` cannot be the zero address.
     * - `account` must have at least `amount` tokens.
     */
    function _burn(address account, uint256 amount) internal virtual {
        require(account != address(0), "ERC20: burn from the zero address");

        _beforeTokenTransfer(account, address(0), amount);

        uint256 accountBalance = _balances[account];
        require(accountBalance >= amount, "ERC20: burn amount exceeds balance");
        unchecked {
            _balances[account] = accountBalance - amount;
        }
        _totalSupply -= amount;

        emit Transfer(account, address(0), amount);

        _afterTokenTransfer(account, address(0), amount);
    }

    /**
     * @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");

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

    /**
     * @dev Spend `amount` form the allowance of `owner` toward `spender`.
     *
     * Does not update the allowance amount in case of infinite allowance.
     * Revert if not enough allowance is available.
     *
     * Might emit an {Approval} event.
     */
    function _spendAllowance(
        address owner,
        address spender,
        uint256 amount
    ) internal virtual {
        uint256 currentAllowance = allowance(owner, spender);
        if (currentAllowance != type(uint256).max) {
            require(currentAllowance >= amount, "ERC20: insufficient allowance");
            unchecked {
                _approve(owner, spender, currentAllowance - amount);
            }
        }
    }

    /**
     * @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 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 {}

    /**
     * @dev Hook that is called after any transfer of tokens. This includes
     * minting and burning.
     *
     * Calling conditions:
     *
     * - when `from` and `to` are both non-zero, `amount` of ``from``'s tokens
     * has been transferred to `to`.
     * - when `from` is zero, `amount` tokens have been minted for `to`.
     * - when `to` is zero, `amount` of ``from``'s tokens have been 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 _afterTokenTransfer(
        address from,
        address to,
        uint256 amount
    ) internal virtual {}
}

File 4 of 12 : SafeERC20.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (token/ERC20/utils/SafeERC20.sol)

pragma solidity ^0.8.0;

import "../IERC20.sol";
import "../../../utils/Address.sol";

/**
 * @title SafeERC20
 * @dev Wrappers around ERC20 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 {
    using Address for address;

    function safeTransfer(
        IERC20 token,
        address to,
        uint256 value
    ) internal {
        _callOptionalReturn(token, abi.encodeWithSelector(token.transfer.selector, to, value));
    }

    function safeTransferFrom(
        IERC20 token,
        address from,
        address to,
        uint256 value
    ) internal {
        _callOptionalReturn(token, abi.encodeWithSelector(token.transferFrom.selector, from, to, value));
    }

    /**
     * @dev Deprecated. This function has issues similar to the ones found in
     * {IERC20-approve}, and its usage is discouraged.
     *
     * Whenever possible, use {safeIncreaseAllowance} and
     * {safeDecreaseAllowance} instead.
     */
    function safeApprove(
        IERC20 token,
        address spender,
        uint256 value
    ) internal {
        // safeApprove should only be called when setting an initial allowance,
        // or when resetting it to zero. To increase and decrease it, use
        // 'safeIncreaseAllowance' and 'safeDecreaseAllowance'
        require(
            (value == 0) || (token.allowance(address(this), spender) == 0),
            "SafeERC20: approve from non-zero to non-zero allowance"
        );
        _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, value));
    }

    function safeIncreaseAllowance(
        IERC20 token,
        address spender,
        uint256 value
    ) internal {
        uint256 newAllowance = token.allowance(address(this), spender) + value;
        _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance));
    }

    function safeDecreaseAllowance(
        IERC20 token,
        address spender,
        uint256 value
    ) internal {
        unchecked {
            uint256 oldAllowance = token.allowance(address(this), spender);
            require(oldAllowance >= value, "SafeERC20: decreased allowance below zero");
            uint256 newAllowance = oldAllowance - value;
            _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance));
        }
    }

    /**
     * @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).
     */
    function _callOptionalReturn(IERC20 token, bytes memory data) private {
        // We need to perform a low level call here, to bypass Solidity's return data size checking mechanism, since
        // we're implementing it ourselves. We use {Address.functionCall} to perform this call, which verifies that
        // the target address contains contract code and also asserts for success in the low-level call.

        bytes memory returndata = address(token).functionCall(data, "SafeERC20: low-level call failed");
        if (returndata.length > 0) {
            // Return data is optional
            require(abi.decode(returndata, (bool)), "SafeERC20: ERC20 operation did not succeed");
        }
    }
}

File 5 of 12 : ReentrancyGuard.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (security/ReentrancyGuard.sol)

pragma solidity ^0.8.0;

/**
 * @dev Contract module that helps prevent reentrant calls to a function.
 *
 * Inheriting from `ReentrancyGuard` will make the {nonReentrant} modifier
 * available, which can be applied to functions to make sure there are no nested
 * (reentrant) calls to them.
 *
 * Note that because there is a single `nonReentrant` guard, functions marked as
 * `nonReentrant` may not call one another. This can be worked around by making
 * those functions `private`, and then adding `external` `nonReentrant` entry
 * points to them.
 *
 * TIP: If you would like to learn more about reentrancy and alternative ways
 * to protect against it, check out our blog post
 * https://blog.openzeppelin.com/reentrancy-after-istanbul/[Reentrancy After Istanbul].
 */
abstract contract ReentrancyGuard {
    // Booleans are more expensive than uint256 or any type that takes up a full
    // word because each write operation emits an extra SLOAD to first read the
    // slot's contents, replace the bits taken up by the boolean, and then write
    // back. This is the compiler's defense against contract upgrades and
    // pointer aliasing, and it cannot be disabled.

    // The values being non-zero value makes deployment a bit more expensive,
    // but in exchange the refund on every call to nonReentrant will be lower in
    // amount. Since refunds are capped to a percentage of the total
    // transaction's gas, it is best to keep them low in cases like this one, to
    // increase the likelihood of the full refund coming into effect.
    uint256 private constant _NOT_ENTERED = 1;
    uint256 private constant _ENTERED = 2;

    uint256 private _status;

    constructor() {
        _status = _NOT_ENTERED;
    }

    /**
     * @dev Prevents a contract from calling itself, directly or indirectly.
     * Calling a `nonReentrant` function from another `nonReentrant`
     * function is not supported. It is possible to prevent this from happening
     * by making the `nonReentrant` function external, and making it call a
     * `private` function that does the actual work.
     */
    modifier nonReentrant() {
        // On the first call to nonReentrant, _notEntered will be true
        require(_status != _ENTERED, "ReentrancyGuard: reentrant call");

        // Any calls to nonReentrant after this point will fail
        _status = _ENTERED;

        _;

        // By storing the original value once again, a refund is triggered (see
        // https://eips.ethereum.org/EIPS/eip-2200)
        _status = _NOT_ENTERED;
    }
}

File 6 of 12 : ITreasury.sol
// SPDX-License-Identifier: MIT

pragma solidity >0.6.12;

interface ITreasury {
    function epoch() external view returns (uint256);

    function startTime() external view returns (uint256);

    function nextEpochPoint() external view returns (uint256);

    function get10MBPrice() external view returns (uint256);

    function get10MBUpdatedPrice() external view returns (uint256);

    function buyBonds(uint256 amount, uint256 targetPrice) external;

    function redeemBonds(uint256 amount, uint256 targetPrice) external;

    function treasuryUpdates() external;

    function _update10MBPrice() external;

    function _update10SHAREPrice() external;

    function refreshCollateralRatio() external;

    function allocateSeigniorage() external;

    function hasPool(address _address) external view returns (bool);

    function info()
        external
        view
        returns (
            uint256,
            uint256,
            uint256,
            uint256,
            uint256,
            uint256,
            uint256,
            uint256
        );

    function epochInfo()
        external
        view
        returns (
            uint256,
            uint256,
            uint256,
            uint256
        );
}

File 7 of 12 : IOracle.sol
// SPDX-License-Identifier: MIT

pragma solidity >0.6.12;

interface IOracle {
    function update() external;

    function consult(address _token, uint256 _amountIn) external view returns (uint144 amountOut);

    function twap(address _token, uint256 _amountIn) external view returns (uint144 _amountOut);
}

File 8 of 12 : IPool.sol
// SPDX-License-Identifier: MIT

pragma solidity >0.6.12;
pragma experimental ABIEncoderV2;

interface IPool {
    function collateral10MBBalance() external view returns (uint256);

    function migrate(address _new_pool) external;

    function transferCollateralToTreasury(uint256 amount) external;

    function getCollateralPrice() external view returns (uint256);

    function netSupplyMinted() external view returns (uint256);

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

File 9 of 12 : IERC20.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.5.0) (token/ERC20/IERC20.sol)

pragma solidity ^0.8.0;

/**
 * @dev Interface of the ERC20 standard as defined in the EIP.
 */
interface IERC20 {
    /**
     * @dev Returns the amount of tokens in existence.
     */
    function totalSupply() external view returns (uint256);

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

    /**
     * @dev Moves `amount` 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 amount) 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 `amount` 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 amount) external returns (bool);

    /**
     * @dev Moves `amount` tokens from `from` to `to` using the
     * allowance mechanism. `amount` 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 amount
    ) external returns (bool);

    /**
     * @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);
}

File 10 of 12 : IERC20Metadata.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (token/ERC20/extensions/IERC20Metadata.sol)

pragma solidity ^0.8.0;

import "../IERC20.sol";

/**
 * @dev Interface for the optional metadata functions from the ERC20 standard.
 *
 * _Available since v4.1._
 */
interface IERC20Metadata is IERC20 {
    /**
     * @dev Returns the name of the token.
     */
    function name() external view returns (string memory);

    /**
     * @dev Returns the symbol of the token.
     */
    function symbol() external view returns (string memory);

    /**
     * @dev Returns the decimals places of the token.
     */
    function decimals() external view returns (uint8);
}

File 11 of 12 : Context.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/Context.sol)

pragma solidity ^0.8.0;

/**
 * @dev Provides information about the current execution context, including the
 * sender of the transaction and its data. While these are generally available
 * via msg.sender and msg.data, they should not be accessed in such a direct
 * manner, since when dealing with meta-transactions the account sending and
 * paying for execution may not be the actual sender (as far as an application
 * is concerned).
 *
 * This contract is only required for intermediate, library-like contracts.
 */
abstract contract Context {
    function _msgSender() internal view virtual returns (address) {
        return msg.sender;
    }

    function _msgData() internal view virtual returns (bytes calldata) {
        return msg.data;
    }
}

File 12 of 12 : Address.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.5.0) (utils/Address.sol)

pragma solidity ^0.8.1;

/**
 * @dev Collection of functions related to the address type
 */
library Address {
    /**
     * @dev Returns true if `account` is a contract.
     *
     * [IMPORTANT]
     * ====
     * It is unsafe to assume that an address for which this function returns
     * false is an externally-owned account (EOA) and not a contract.
     *
     * Among others, `isContract` will return false for the following
     * types of addresses:
     *
     *  - an externally-owned account
     *  - a contract in construction
     *  - an address where a contract will be created
     *  - an address where a contract lived, but was destroyed
     * ====
     *
     * [IMPORTANT]
     * ====
     * You shouldn't rely on `isContract` to protect against flash loan attacks!
     *
     * Preventing calls from contracts is highly discouraged. It breaks composability, breaks support for smart wallets
     * like Gnosis Safe, and does not provide security since it can be circumvented by calling from a contract
     * constructor.
     * ====
     */
    function isContract(address account) internal view returns (bool) {
        // This method relies on extcodesize/address.code.length, which returns 0
        // for contracts in construction, since the code is only stored at the end
        // of the constructor execution.

        return account.code.length > 0;
    }

    /**
     * @dev Replacement for Solidity's `transfer`: sends `amount` wei to
     * `recipient`, forwarding all available gas and reverting on errors.
     *
     * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost
     * of certain opcodes, possibly making contracts go over the 2300 gas limit
     * imposed by `transfer`, making them unable to receive funds via
     * `transfer`. {sendValue} removes this limitation.
     *
     * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more].
     *
     * IMPORTANT: because control is transferred to `recipient`, care must be
     * taken to not create reentrancy vulnerabilities. Consider using
     * {ReentrancyGuard} or the
     * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].
     */
    function sendValue(address payable recipient, uint256 amount) internal {
        require(address(this).balance >= amount, "Address: insufficient balance");

        (bool success, ) = recipient.call{value: amount}("");
        require(success, "Address: unable to send value, recipient may have reverted");
    }

    /**
     * @dev Performs a Solidity function call using a low level `call`. A
     * plain `call` is an unsafe replacement for a function call: use this
     * function instead.
     *
     * If `target` reverts with a revert reason, it is bubbled up by this
     * function (like regular Solidity function calls).
     *
     * Returns the raw returned data. To convert to the expected return value,
     * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].
     *
     * Requirements:
     *
     * - `target` must be a contract.
     * - calling `target` with `data` must not revert.
     *
     * _Available since v3.1._
     */
    function functionCall(address target, bytes memory data) internal returns (bytes memory) {
        return functionCall(target, data, "Address: low-level call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with
     * `errorMessage` as a fallback revert reason when `target` reverts.
     *
     * _Available since v3.1._
     */
    function functionCall(
        address target,
        bytes memory data,
        string memory errorMessage
    ) internal returns (bytes memory) {
        return functionCallWithValue(target, data, 0, errorMessage);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but also transferring `value` wei to `target`.
     *
     * Requirements:
     *
     * - the calling contract must have an ETH balance of at least `value`.
     * - the called Solidity function must be `payable`.
     *
     * _Available since v3.1._
     */
    function functionCallWithValue(
        address target,
        bytes memory data,
        uint256 value
    ) internal returns (bytes memory) {
        return functionCallWithValue(target, data, value, "Address: low-level call with value failed");
    }

    /**
     * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but
     * with `errorMessage` as a fallback revert reason when `target` reverts.
     *
     * _Available since v3.1._
     */
    function functionCallWithValue(
        address target,
        bytes memory data,
        uint256 value,
        string memory errorMessage
    ) internal returns (bytes memory) {
        require(address(this).balance >= value, "Address: insufficient balance for call");
        require(isContract(target), "Address: call to non-contract");

        (bool success, bytes memory returndata) = target.call{value: value}(data);
        return verifyCallResult(success, returndata, errorMessage);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but performing a static call.
     *
     * _Available since v3.3._
     */
    function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {
        return functionStaticCall(target, data, "Address: low-level static call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
     * but performing a static call.
     *
     * _Available since v3.3._
     */
    function functionStaticCall(
        address target,
        bytes memory data,
        string memory errorMessage
    ) internal view returns (bytes memory) {
        require(isContract(target), "Address: static call to non-contract");

        (bool success, bytes memory returndata) = target.staticcall(data);
        return verifyCallResult(success, returndata, errorMessage);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but performing a delegate call.
     *
     * _Available since v3.4._
     */
    function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) {
        return functionDelegateCall(target, data, "Address: low-level delegate call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
     * but performing a delegate call.
     *
     * _Available since v3.4._
     */
    function functionDelegateCall(
        address target,
        bytes memory data,
        string memory errorMessage
    ) internal returns (bytes memory) {
        require(isContract(target), "Address: delegate call to non-contract");

        (bool success, bytes memory returndata) = target.delegatecall(data);
        return verifyCallResult(success, returndata, errorMessage);
    }

    /**
     * @dev Tool to verifies that a low level call was successful, and revert if it wasn't, either by bubbling the
     * revert reason using the provided one.
     *
     * _Available since v4.3._
     */
    function verifyCallResult(
        bool success,
        bytes memory returndata,
        string memory errorMessage
    ) internal pure returns (bytes memory) {
        if (success) {
            return returndata;
        } else {
            // Look for revert reason and bubble it up if present
            if (returndata.length > 0) {
                // The easiest way to bubble the revert reason is using memory via assembly

                assembly {
                    let returndata_size := mload(returndata)
                    revert(add(32, returndata), returndata_size)
                }
            } else {
                revert(errorMessage);
            }
        }
    }
}

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

Contract ABI

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Constructor Arguments (ABI-Encoded and is the last bytes of the Contract Creation Code above)

00000000000000000000000002a8dc66334b1cc6cd8f28fe8dbf6b58b49b47b6000000000000000000000000d8d40dcee0c2b486eebd1fedb3f507b011de7ff0000000000000000000000000c21223249ca28397b4b6541dffaecc539bff0c59000000000000000000000000562fe5786e0d16f9f84c53d8364d74a5a983fdb200000000000000000000000000000000000004ee2d6d415b85acef8100000000

-----Decoded View---------------
Arg [0] : __10MB (address): 0x02a8dc66334b1cc6cd8f28fe8dbf6b58b49b47b6
Arg [1] : __10SHARE (address): 0xd8d40dcee0c2b486eebd1fedb3f507b011de7ff0
Arg [2] : _collateral (address): 0xc21223249ca28397b4b6541dffaecc539bff0c59
Arg [3] : _treasury (address): 0x562fe5786e0d16f9f84c53d8364d74a5a983fdb2
Arg [4] : _pool_ceiling (uint256): 100000000000000000000000000000000

-----Encoded View---------------
5 Constructor Arguments found :
Arg [0] : 00000000000000000000000002a8dc66334b1cc6cd8f28fe8dbf6b58b49b47b6
Arg [1] : 000000000000000000000000d8d40dcee0c2b486eebd1fedb3f507b011de7ff0
Arg [2] : 000000000000000000000000c21223249ca28397b4b6541dffaecc539bff0c59
Arg [3] : 000000000000000000000000562fe5786e0d16f9f84c53d8364d74a5a983fdb2
Arg [4] : 00000000000000000000000000000000000004ee2d6d415b85acef8100000000


Block Transaction Gas Used Reward
Age Block Fee Address BC Fee Address Voting Power Jailed Incoming
Block Uncle Number Difficulty Gas Used Reward
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