MATIC Price: $0.547738 (+1.39%)
Gas: 30.9 GWei
 
Transaction Hash
Method
Block
From
To
Withdraw585806672024-06-25 7:30:3326 days ago1719300633IN
0x528330fF...d8edA5917
0 MATIC0.0046363243.86053561
Release MIMO585801362024-06-25 7:11:4526 days ago1719299505IN
0x528330fF...d8edA5917
0 MATIC0.0045030150.36251913
Withdraw515487832023-12-25 18:46:18209 days ago1703529978IN
0x528330fF...d8edA5917
0 MATIC0.007401170
Withdraw511986822023-12-16 13:43:25218 days ago1702734205IN
0x528330fF...d8edA5917
0 MATIC0.06173142583.85915565
Release MIMO510584632023-12-12 20:50:19222 days ago1702414219IN
0x528330fF...d8edA5917
0 MATIC0.01001414112
Withdraw505411622023-11-29 17:54:35235 days ago1701280475IN
0x528330fF...d8edA5917
0 MATIC0.02280135195
Release MIMO499105522023-11-13 22:47:48250 days ago1699915668IN
0x528330fF...d8edA5917
0 MATIC0.0029949241.41664904
Withdraw499063202023-11-13 20:17:47251 days ago1699906667IN
0x528330fF...d8edA5917
0 MATIC0.0072837568.89011688
Release MIMO496690672023-11-07 21:57:42257 days ago1699394262IN
0x528330fF...d8edA5917
0 MATIC0.01397551193.26683951
Withdraw496238372023-11-06 19:05:30258 days ago1699297530IN
0x528330fF...d8edA5917
0 MATIC0.02148454203.17891372
Release MIMO496233922023-11-06 18:49:42258 days ago1699296582IN
0x528330fF...d8edA5917
0 MATIC0.01346064150.54633846
Withdraw495928012023-11-06 0:22:49258 days ago1699230169IN
0x528330fF...d8edA5917
0 MATIC0.0049492446.80489748
Withdraw495923592023-11-06 0:07:07258 days ago1699229227IN
0x528330fF...d8edA5917
0 MATIC0.0068058550.7786146
Release MIMO495918842023-11-05 23:50:17258 days ago1699228217IN
0x528330fF...d8edA5917
0 MATIC0.0045959663.55740834
Release MIMO495107362023-11-03 22:51:39260 days ago1699051899IN
0x528330fF...d8edA5917
0 MATIC0.0058622478
Release MIMO493822322023-10-31 17:39:51264 days ago1698773991IN
0x528330fF...d8edA5917
0 MATIC0.0051505668.53070494
Release MIMO492087842023-10-27 9:08:05268 days ago1698397685IN
0x528330fF...d8edA5917
0 MATIC0.01455404162.77503412
Withdraw491500502023-10-25 21:51:42270 days ago1698270702IN
0x528330fF...d8edA5917
0 MATIC0.0099817694.4081122
Release MIMO491499862023-10-25 21:49:26270 days ago1698270566IN
0x528330fF...d8edA5917
0 MATIC0.0067805875.84541854
Withdraw491171482023-10-25 2:08:23270 days ago1698199703IN
0x528330fF...d8edA5917
0 MATIC0.01305416109
Release MIMO490499822023-10-23 8:39:35272 days ago1698050375IN
0x528330fF...d8edA5917
0 MATIC0.00981754106.41521652
Release MIMO489377402023-10-20 9:10:08275 days ago1697793008IN
0x528330fF...d8edA5917
0 MATIC0.0065613371.12018995
Release MIMO488174262023-10-17 8:01:21278 days ago1697529681IN
0x528330fF...d8edA5917
0 MATIC0.0051087667.97459306
Release MIMO487041282023-10-14 10:15:18281 days ago1697278518IN
0x528330fF...d8edA5917
0 MATIC0.0061564766.73179937
Release MIMO486729702023-10-13 15:16:26282 days ago1697210186IN
0x528330fF...d8edA5917
0 MATIC0.0055063873.26511501
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Contract Source Code Verified (Exact Match)

Contract Name:
DemandMiner

Compiler Version
v0.6.12+commit.27d51765

Optimization Enabled:
Yes with 200 runs

Other Settings:
default evmVersion
File 1 of 33 : DemandMiner.sol
// SPDX-License-Identifier: MIT

pragma experimental ABIEncoderV2;
pragma solidity 0.6.12;

import "@openzeppelin/contracts/math/SafeMath.sol";
import "@openzeppelin/contracts/token/ERC20/IERC20.sol";
import "@openzeppelin/contracts/token/ERC20/SafeERC20.sol";
import "./GenericMiner.sol";
import "./interfaces/IMIMO.sol";
import "./interfaces/IDemandMiner.sol";

contract DemandMiner is IDemandMiner, GenericMiner {
  using SafeMath for uint256;
  using SafeERC20 for IERC20;

  IERC20 public override token;

  constructor(IGovernanceAddressProvider _addresses, IERC20 _token) public GenericMiner(_addresses) {
    require(address(_token) != address(0));
    require(address(_token) != address(_addresses.mimo()));
    token = _token;
  }

  /**
    Deposit an ERC20 pool token for staking
    @dev this function uses `transferFrom()` and requires pre-approval via `approve()` on the ERC20.
    @param amount the amount of tokens to be deposited. Unit is in WEI.
  **/
  function deposit(uint256 amount) public override {
    token.safeTransferFrom(msg.sender, address(this), amount);
    _increaseStake(msg.sender, amount);
  }

  /**
    Withdraw staked ERC20 pool tokens. Will fail if user does not have enough tokens staked.
    @param amount the amount of tokens to be withdrawn. Unit is in WEI.
  **/
  function withdraw(uint256 amount) public override {
    token.safeTransfer(msg.sender, amount);
    _decreaseStake(msg.sender, amount);
  }
}

File 2 of 33 : SafeMath.sol
// SPDX-License-Identifier: MIT

pragma solidity >=0.6.0 <0.8.0;

/**
 * @dev Wrappers over Solidity's arithmetic operations with added overflow
 * checks.
 *
 * Arithmetic operations in Solidity wrap on overflow. This can easily result
 * in bugs, because programmers usually assume that an overflow raises an
 * error, which is the standard behavior in high level programming languages.
 * `SafeMath` restores this intuition by reverting the transaction when an
 * operation overflows.
 *
 * Using this library instead of the unchecked operations eliminates an entire
 * class of bugs, so it's recommended to use it always.
 */
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) {
        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) {
        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) {
        // 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) {
        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) {
        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) {
        uint256 c = a + b;
        require(c >= a, "SafeMath: addition overflow");
        return c;
    }

    /**
     * @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) {
        require(b <= a, "SafeMath: subtraction overflow");
        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) {
        if (a == 0) return 0;
        uint256 c = a * b;
        require(c / a == b, "SafeMath: multiplication overflow");
        return c;
    }

    /**
     * @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. 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) internal pure returns (uint256) {
        require(b > 0, "SafeMath: division by zero");
        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) {
        require(b > 0, "SafeMath: modulo by zero");
        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) {
        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.
     *
     * CAUTION: This function is deprecated because it requires allocating memory for the error
     * message unnecessarily. For custom revert reasons use {tryDiv}.
     *
     * 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) {
        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) {
        require(b > 0, errorMessage);
        return a % b;
    }
}

File 3 of 33 : IERC20.sol
// SPDX-License-Identifier: MIT

pragma solidity >=0.6.0 <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 `recipient`.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * Emits a {Transfer} event.
     */
    function transfer(address recipient, 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 `sender` to `recipient` 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 sender, address recipient, 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 4 of 33 : SafeERC20.sol
// SPDX-License-Identifier: MIT

pragma solidity >=0.6.0 <0.8.0;

import "./IERC20.sol";
import "../../math/SafeMath.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 SafeMath for uint256;
    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'
        // solhint-disable-next-line max-line-length
        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).add(value);
        _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance));
    }

    function safeDecreaseAllowance(IERC20 token, address spender, uint256 value) internal {
        uint256 newAllowance = token.allowance(address(this), spender).sub(value, "SafeERC20: decreased allowance below zero");
        _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
            // solhint-disable-next-line max-line-length
            require(abi.decode(returndata, (bool)), "SafeERC20: ERC20 operation did not succeed");
        }
    }
}

File 5 of 33 : GenericMiner.sol
//SPDX-License-Identifier: MIT
pragma experimental ABIEncoderV2;
pragma solidity 0.6.12;

import "@openzeppelin/contracts/math/SafeMath.sol";
import "../libraries/WadRayMath.sol";
import "./interfaces/IGenericMiner.sol";

/*
    GenericMiner is based on ERC2917. https://github.com/gnufoo/ERC2917-Proposal

    The Objective of GenericMiner is to implement a decentralized staking mechanism, which calculates _users' share
    by accumulating stake * time. And calculates _users revenue from anytime t0 to t1 by the formula below:

        user_accumulated_stake(time1) - user_accumulated_stake(time0)
       _____________________________________________________________________________  * (gross_stake(t1) - gross_stake(t0))
       total_accumulated_stake(time1) - total_accumulated_stake(time0)

*/
contract GenericMiner is IGenericMiner {
  using SafeMath for uint256;
  using WadRayMath for uint256;

  mapping(address => UserInfo) internal _users;

  uint256 public override totalStake;
  IGovernanceAddressProvider public override a;

  uint256 internal _balanceTracker;
  uint256 internal _accAmountPerShare;

  constructor(IGovernanceAddressProvider _addresses) public {
    require(address(_addresses) != address(0));
    a = _addresses;
  }

  /**
    Releases the outstanding MIMO balance to the user.
    @param _user the address of the user for which the MIMO tokens will be released.
  */
  function releaseMIMO(address _user) public virtual override {
    UserInfo storage userInfo = _users[_user];
    _refresh();
    uint256 pending = userInfo.stake.rayMul(_accAmountPerShare.sub(userInfo.accAmountPerShare));
    _balanceTracker = _balanceTracker.sub(pending);
    userInfo.accAmountPerShare = _accAmountPerShare;
    require(a.mimo().transfer(_user, pending));
  }

  /**
    Returns the number of tokens a user has staked.
    @param _user the address of the user.
    @return number of staked tokens
  */
  function stake(address _user) public view override returns (uint256) {
    return _users[_user].stake;
  }

  /**
    Returns the number of tokens a user can claim via `releaseMIMO`.
    @param _user the address of the user.
    @return number of MIMO tokens that the user can claim
  */
  function pendingMIMO(address _user) public view override returns (uint256) {
    uint256 currentBalance = a.mimo().balanceOf(address(this));
    uint256 reward = currentBalance.sub(_balanceTracker);
    uint256 accAmountPerShare = _accAmountPerShare.add(reward.rayDiv(totalStake));

    return _users[_user].stake.rayMul(accAmountPerShare.sub(_users[_user].accAmountPerShare));
  }

  /**
    Returns the userInfo stored of a user.
    @param _user the address of the user.
    @return `struct UserInfo {
      uint256 stake;
      uint256 rewardDebt;
    }`
  **/
  function userInfo(address _user) public view override returns (UserInfo memory) {
    return _users[_user];
  }

  /**
    Refreshes the global state and subsequently decreases the stake a user has.
    This is an internal call and meant to be called within derivative contracts.
    @param user the address of the user
    @param value the amount by which the stake will be reduced
  */
  function _decreaseStake(address user, uint256 value) internal {
    require(value > 0, "STAKE_MUST_BE_GREATER_THAN_ZERO"); //TODO cleanup error message

    UserInfo storage userInfo = _users[user];
    require(userInfo.stake >= value, "INSUFFICIENT_STAKE_FOR_USER"); //TODO cleanup error message
    _refresh();
    uint256 pending = userInfo.stake.rayMul(_accAmountPerShare.sub(userInfo.accAmountPerShare));
    _balanceTracker = _balanceTracker.sub(pending);
    userInfo.stake = userInfo.stake.sub(value);
    userInfo.accAmountPerShare = _accAmountPerShare;
    totalStake = totalStake.sub(value);

    require(a.mimo().transfer(user, pending));
    emit StakeDecreased(user, value);
  }

  /**
    Refreshes the global state and subsequently increases a user's stake.
    This is an internal call and meant to be called within derivative contracts.
    @param user the address of the user
    @param value the amount by which the stake will be increased
  */
  function _increaseStake(address user, uint256 value) internal {
    require(value > 0, "STAKE_MUST_BE_GREATER_THAN_ZERO"); //TODO cleanup error message

    UserInfo storage userInfo = _users[user];
    _refresh();

    uint256 pending;
    if (userInfo.stake > 0) {
      pending = userInfo.stake.rayMul(_accAmountPerShare.sub(userInfo.accAmountPerShare));
      _balanceTracker = _balanceTracker.sub(pending);
    }

    totalStake = totalStake.add(value);
    userInfo.stake = userInfo.stake.add(value);
    userInfo.accAmountPerShare = _accAmountPerShare;

    if (pending > 0) {
      require(a.mimo().transfer(user, pending));
    }

    emit StakeIncreased(user, value);
  }

  /**
    Refreshes the global state and subsequently updates a user's stake.
    This is an internal call and meant to be called within derivative contracts.
    @param user the address of the user
    @param stake the new amount of stake for the user
  */
  function _updateStake(address user, uint256 stake) internal returns (bool) {
    uint256 oldStake = _users[user].stake;
    if (stake > oldStake) {
      _increaseStake(user, stake.sub(oldStake));
    }
    if (stake < oldStake) {
      _decreaseStake(user, oldStake.sub(stake));
    }
  }

  /**
    Internal read function to calculate the number of MIMO tokens that
    have accumulated since the last token release.
    @dev This is an internal call and meant to be called within derivative contracts.
    @return newly accumulated token balance
  */
  function _newTokensReceived() internal view returns (uint256) {
    return a.mimo().balanceOf(address(this)).sub(_balanceTracker);
  }

  /**
    Updates the internal state variables after accounting for newly received MIMO tokens.
  */
  function _refresh() internal {
    if (totalStake == 0) {
      return;
    }
    uint256 currentBalance = a.mimo().balanceOf(address(this));
    uint256 reward = currentBalance.sub(_balanceTracker);
    _balanceTracker = currentBalance;

    _accAmountPerShare = _accAmountPerShare.add(reward.rayDiv(totalStake));
  }
}

File 6 of 33 : IMIMO.sol
// SPDX-License-Identifier: MIT
pragma solidity 0.6.12;

import '@openzeppelin/contracts/token/ERC20/IERC20.sol';

interface IMIMO is IERC20 {
  function burn(address account, uint256 amount) external;

  function mint(address account, uint256 amount) external;
}

File 7 of 33 : IDemandMiner.sol
// SPDX-License-Identifier: MIT

pragma experimental ABIEncoderV2;
pragma solidity 0.6.12;

import '@openzeppelin/contracts/token/ERC20/IERC20.sol';

interface IDemandMiner {
  function deposit(uint256 amount) external;

  function withdraw(uint256 amount) external;

  function token() external view returns (IERC20);
}

File 8 of 33 : Address.sol
// SPDX-License-Identifier: MIT

pragma solidity >=0.6.2 <0.8.0;

/**
 * @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
     * ====
     */
    function isContract(address account) internal view returns (bool) {
        // This method relies on extcodesize, which returns 0 for contracts in
        // construction, since the code is only stored at the end of the
        // constructor execution.

        uint256 size;
        // solhint-disable-next-line no-inline-assembly
        assembly { size := extcodesize(account) }
        return size > 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");

        // solhint-disable-next-line avoid-low-level-calls, avoid-call-value
        (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");

        // solhint-disable-next-line avoid-low-level-calls
        (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");

        // solhint-disable-next-line avoid-low-level-calls
        (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");

        // solhint-disable-next-line avoid-low-level-calls
        (bool success, bytes memory returndata) = target.delegatecall(data);
        return _verifyCallResult(success, returndata, errorMessage);
    }

    function _verifyCallResult(bool success, bytes memory returndata, string memory errorMessage) private 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

                // solhint-disable-next-line no-inline-assembly
                assembly {
                    let returndata_size := mload(returndata)
                    revert(add(32, returndata), returndata_size)
                }
            } else {
                revert(errorMessage);
            }
        }
    }
}

File 9 of 33 : WadRayMath.sol
// SPDX-License-Identifier: MIT

pragma solidity 0.6.12;

import "@openzeppelin/contracts/math/SafeMath.sol";

/******************
@title WadRayMath library
@author Aave
@dev Provides mul and div function for wads (decimal numbers with 18 digits precision) and rays (decimals with 27 digits)
 */

library WadRayMath {
  using SafeMath for uint256;

  uint256 internal constant _WAD = 1e18;
  uint256 internal constant _HALF_WAD = _WAD / 2;

  uint256 internal constant _RAY = 1e27;
  uint256 internal constant _HALF_RAY = _RAY / 2;

  uint256 internal constant _WAD_RAY_RATIO = 1e9;

  function ray() internal pure returns (uint256) {
    return _RAY;
  }

  function wad() internal pure returns (uint256) {
    return _WAD;
  }

  function halfRay() internal pure returns (uint256) {
    return _HALF_RAY;
  }

  function halfWad() internal pure returns (uint256) {
    return _HALF_WAD;
  }

  function wadMul(uint256 a, uint256 b) internal pure returns (uint256) {
    return _HALF_WAD.add(a.mul(b)).div(_WAD);
  }

  function wadDiv(uint256 a, uint256 b) internal pure returns (uint256) {
    uint256 halfB = b / 2;

    return halfB.add(a.mul(_WAD)).div(b);
  }

  function rayMul(uint256 a, uint256 b) internal pure returns (uint256) {
    return _HALF_RAY.add(a.mul(b)).div(_RAY);
  }

  function rayDiv(uint256 a, uint256 b) internal pure returns (uint256) {
    uint256 halfB = b / 2;

    return halfB.add(a.mul(_RAY)).div(b);
  }

  function rayToWad(uint256 a) internal pure returns (uint256) {
    uint256 halfRatio = _WAD_RAY_RATIO / 2;

    return halfRatio.add(a).div(_WAD_RAY_RATIO);
  }

  function wadToRay(uint256 a) internal pure returns (uint256) {
    return a.mul(_WAD_RAY_RATIO);
  }

  /**
   * @dev calculates x^n, in ray. The code uses the ModExp precompile
   * @param x base
   * @param n exponent
   * @return z = x^n, in ray
   */
  function rayPow(uint256 x, uint256 n) internal pure returns (uint256 z) {
    z = n % 2 != 0 ? x : _RAY;

    for (n /= 2; n != 0; n /= 2) {
      x = rayMul(x, x);

      if (n % 2 != 0) {
        z = rayMul(z, x);
      }
    }
  }
}

File 10 of 33 : IGenericMiner.sol
// SPDX-License-Identifier: MIT

pragma experimental ABIEncoderV2;
pragma solidity 0.6.12;

import '@openzeppelin/contracts/math/SafeMath.sol';
import '../../interfaces/IAddressProvider.sol';
import '../../governance/interfaces/IGovernanceAddressProvider.sol';

interface IGenericMiner {
  struct UserInfo {
    uint256 stake;
    uint256 accAmountPerShare; // User's accAmountPerShare
  }

  /// @dev This emit when a users' productivity has changed
  /// It emits with the user's address and the the value after the change.
  event StakeIncreased(address indexed user, uint256 stake);

  /// @dev This emit when a users' productivity has changed
  /// It emits with the user's address and the the value after the change.
  event StakeDecreased(address indexed user, uint256 stake);

  function releaseMIMO(address _user) external;

  function a() external view returns (IGovernanceAddressProvider);

  function stake(address _user) external view returns (uint256);

  function pendingMIMO(address _user) external view returns (uint256);

  function totalStake() external view returns (uint256);

  function userInfo(address _user) external view returns (UserInfo memory);
}

File 11 of 33 : IAddressProvider.sol
// SPDX-License-Identifier: MIT
pragma experimental ABIEncoderV2;
pragma solidity 0.6.12;

import "./IAccessController.sol";
import "./IConfigProvider.sol";
import "./ISTABLEX.sol";
import "./IPriceFeed.sol";
import "./IRatesManager.sol";
import "./ILiquidationManager.sol";
import "./IVaultsCore.sol";
import "./IVaultsDataProvider.sol";
import "./IFeeDistributor.sol";

interface IAddressProvider {
  function setAccessController(IAccessController _controller) external;

  function setConfigProvider(IConfigProvider _config) external;

  function setVaultsCore(IVaultsCore _core) external;

  function setStableX(ISTABLEX _stablex) external;

  function setRatesManager(IRatesManager _ratesManager) external;

  function setPriceFeed(IPriceFeed _priceFeed) external;

  function setLiquidationManager(ILiquidationManager _liquidationManager) external;

  function setVaultsDataProvider(IVaultsDataProvider _vaultsData) external;

  function setFeeDistributor(IFeeDistributor _feeDistributor) external;

  function controller() external view returns (IAccessController);

  function config() external view returns (IConfigProvider);

  function core() external view returns (IVaultsCore);

  function stablex() external view returns (ISTABLEX);

  function ratesManager() external view returns (IRatesManager);

  function priceFeed() external view returns (IPriceFeed);

  function liquidationManager() external view returns (ILiquidationManager);

  function vaultsData() external view returns (IVaultsDataProvider);

  function feeDistributor() external view returns (IFeeDistributor);
}

File 12 of 33 : IGovernanceAddressProvider.sol
// SPDX-License-Identifier: MIT
pragma experimental ABIEncoderV2;
pragma solidity 0.6.12;

import './IGovernorAlpha.sol';
import './ITimelock.sol';
import './IVotingEscrow.sol';
import '../../interfaces/IAccessController.sol';
import '../../interfaces/IAddressProvider.sol';
import '../../liquidityMining/interfaces/IMIMO.sol';
import '../../liquidityMining/interfaces/IDebtNotifier.sol';

interface IGovernanceAddressProvider {
  function setParallelAddressProvider(IAddressProvider _parallel) external;

  function setMIMO(IMIMO _mimo) external;

  function setDebtNotifier(IDebtNotifier _debtNotifier) external;

  function setGovernorAlpha(IGovernorAlpha _governorAlpha) external;

  function setTimelock(ITimelock _timelock) external;

  function setVotingEscrow(IVotingEscrow _votingEscrow) external;

  function controller() external view returns (IAccessController);

  function parallel() external view returns (IAddressProvider);

  function mimo() external view returns (IMIMO);

  function debtNotifier() external view returns (IDebtNotifier);

  function governorAlpha() external view returns (IGovernorAlpha);

  function timelock() external view returns (ITimelock);

  function votingEscrow() external view returns (IVotingEscrow);
}

File 13 of 33 : IAccessController.sol
// SPDX-License-Identifier: MIT

pragma solidity 0.6.12;

interface IAccessController {
  event RoleAdminChanged(bytes32 indexed role, bytes32 indexed previousAdminRole, bytes32 indexed newAdminRole);
  event RoleGranted(bytes32 indexed role, address indexed account, address indexed sender);
  event RoleRevoked(bytes32 indexed role, address indexed account, address indexed sender);

  function grantRole(bytes32 role, address account) external;

  function revokeRole(bytes32 role, address account) external;

  function renounceRole(bytes32 role, address account) external;

  function MANAGER_ROLE() external view returns (bytes32);

  function MINTER_ROLE() external view returns (bytes32);

  function hasRole(bytes32 role, address account) external view returns (bool);

  function getRoleMemberCount(bytes32 role) external view returns (uint256);

  function getRoleMember(bytes32 role, uint256 index) external view returns (address);

  function getRoleAdmin(bytes32 role) external view returns (bytes32);
}

File 14 of 33 : IConfigProvider.sol
// SPDX-License-Identifier: MIT

pragma experimental ABIEncoderV2;
pragma solidity 0.6.12;

import "../interfaces/IAddressProvider.sol";

interface IConfigProvider {
  struct CollateralConfig {
    address collateralType;
    uint256 debtLimit;
    uint256 liquidationRatio;
    uint256 minCollateralRatio;
    uint256 borrowRate;
    uint256 originationFee;
    uint256 liquidationBonus;
    uint256 liquidationFee;
  }

  event CollateralUpdated(
    address indexed collateralType,
    uint256 debtLimit,
    uint256 liquidationRatio,
    uint256 minCollateralRatio,
    uint256 borrowRate,
    uint256 originationFee,
    uint256 liquidationBonus,
    uint256 liquidationFee
  );
  event CollateralRemoved(address indexed collateralType);

  function setCollateralConfig(
    address _collateralType,
    uint256 _debtLimit,
    uint256 _liquidationRatio,
    uint256 _minCollateralRatio,
    uint256 _borrowRate,
    uint256 _originationFee,
    uint256 _liquidationBonus,
    uint256 _liquidationFee
  ) external;

  function removeCollateral(address _collateralType) external;

  function setCollateralDebtLimit(address _collateralType, uint256 _debtLimit) external;

  function setCollateralLiquidationRatio(address _collateralType, uint256 _liquidationRatio) external;

  function setCollateralMinCollateralRatio(address _collateralType, uint256 _minCollateralRatio) external;

  function setCollateralBorrowRate(address _collateralType, uint256 _borrowRate) external;

  function setCollateralOriginationFee(address _collateralType, uint256 _originationFee) external;

  function setCollateralLiquidationBonus(address _collateralType, uint256 _liquidationBonus) external;

  function setCollateralLiquidationFee(address _collateralType, uint256 _liquidationFee) external;

  function setMinVotingPeriod(uint256 _minVotingPeriod) external;

  function setMaxVotingPeriod(uint256 _maxVotingPeriod) external;

  function setVotingQuorum(uint256 _votingQuorum) external;

  function setProposalThreshold(uint256 _proposalThreshold) external;

  function a() external view returns (IAddressProvider);

  function collateralConfigs(uint256 _id) external view returns (CollateralConfig memory);

  function collateralIds(address _collateralType) external view returns (uint256);

  function numCollateralConfigs() external view returns (uint256);

  function minVotingPeriod() external view returns (uint256);

  function maxVotingPeriod() external view returns (uint256);

  function votingQuorum() external view returns (uint256);

  function proposalThreshold() external view returns (uint256);

  function collateralDebtLimit(address _collateralType) external view returns (uint256);

  function collateralLiquidationRatio(address _collateralType) external view returns (uint256);

  function collateralMinCollateralRatio(address _collateralType) external view returns (uint256);

  function collateralBorrowRate(address _collateralType) external view returns (uint256);

  function collateralOriginationFee(address _collateralType) external view returns (uint256);

  function collateralLiquidationBonus(address _collateralType) external view returns (uint256);

  function collateralLiquidationFee(address _collateralType) external view returns (uint256);
}

File 15 of 33 : ISTABLEX.sol
// SPDX-License-Identifier: MIT
pragma solidity 0.6.12;

import "@openzeppelin/contracts/token/ERC20/IERC20.sol";
import "../interfaces/IAddressProvider.sol";

interface ISTABLEX is IERC20 {
  function mint(address account, uint256 amount) external;

  function burn(address account, uint256 amount) external;

  function a() external view returns (IAddressProvider);
}

File 16 of 33 : IPriceFeed.sol
// SPDX-License-Identifier: MIT

pragma solidity 0.6.12;

import "../chainlink/AggregatorV3Interface.sol";
import "../interfaces/IAddressProvider.sol";

interface IPriceFeed {
  event OracleUpdated(address indexed asset, address oracle, address sender);
  event EurOracleUpdated(address oracle, address sender);

  function setAssetOracle(address _asset, address _oracle) external;

  function setEurOracle(address _oracle) external;

  function a() external view returns (IAddressProvider);

  function assetOracles(address _asset) external view returns (AggregatorV3Interface);

  function eurOracle() external view returns (AggregatorV3Interface);

  function getAssetPrice(address _asset) external view returns (uint256);

  function convertFrom(address _asset, uint256 _amount) external view returns (uint256);

  function convertTo(address _asset, uint256 _amount) external view returns (uint256);
}

File 17 of 33 : IRatesManager.sol
// SPDX-License-Identifier: MIT

pragma experimental ABIEncoderV2;
pragma solidity 0.6.12;

import "../interfaces/IAddressProvider.sol";

interface IRatesManager {
  function a() external view returns (IAddressProvider);

  //current annualized borrow rate
  function annualizedBorrowRate(uint256 _currentBorrowRate) external pure returns (uint256);

  //uses current cumulative rate to calculate totalDebt based on baseDebt at time T0
  function calculateDebt(uint256 _baseDebt, uint256 _cumulativeRate) external pure returns (uint256);

  //uses current cumulative rate to calculate baseDebt at time T0
  function calculateBaseDebt(uint256 _debt, uint256 _cumulativeRate) external pure returns (uint256);

  //calculate a new cumulative rate
  function calculateCumulativeRate(
    uint256 _borrowRate,
    uint256 _cumulativeRate,
    uint256 _timeElapsed
  ) external view returns (uint256);
}

File 18 of 33 : ILiquidationManager.sol
// SPDX-License-Identifier: MIT

pragma experimental ABIEncoderV2;
pragma solidity 0.6.12;

import "../interfaces/IAddressProvider.sol";

interface ILiquidationManager {
  function a() external view returns (IAddressProvider);

  function calculateHealthFactor(
    uint256 _collateralValue,
    uint256 _vaultDebt,
    uint256 _minRatio
  ) external view returns (uint256 healthFactor);

  function liquidationBonus(address _collateralType, uint256 _amount) external view returns (uint256 bonus);

  function applyLiquidationDiscount(address _collateralType, uint256 _amount)
    external
    view
    returns (uint256 discountedAmount);

  function isHealthy(
    uint256 _collateralValue,
    uint256 _vaultDebt,
    uint256 _minRatio
  ) external view returns (bool);
}

File 19 of 33 : IVaultsCore.sol
// SPDX-License-Identifier: MIT

pragma experimental ABIEncoderV2;
pragma solidity 0.6.12;
import "../interfaces/IAddressProvider.sol";
import "../interfaces/IVaultsCoreState.sol";
import "../interfaces/IWETH.sol";
import "../liquidityMining/interfaces/IDebtNotifier.sol";

interface IVaultsCore {
  event Opened(uint256 indexed vaultId, address indexed collateralType, address indexed owner);
  event Deposited(uint256 indexed vaultId, uint256 amount, address indexed sender);
  event Withdrawn(uint256 indexed vaultId, uint256 amount, address indexed sender);
  event Borrowed(uint256 indexed vaultId, uint256 amount, address indexed sender);
  event Repaid(uint256 indexed vaultId, uint256 amount, address indexed sender);
  event Liquidated(
    uint256 indexed vaultId,
    uint256 debtRepaid,
    uint256 collateralLiquidated,
    address indexed owner,
    address indexed sender
  );

  event InsurancePaid(uint256 indexed vaultId, uint256 insuranceAmount, address indexed sender);

  function deposit(address _collateralType, uint256 _amount) external;

  function depositETH() external payable;

  function depositByVaultId(uint256 _vaultId, uint256 _amount) external;

  function depositETHByVaultId(uint256 _vaultId) external payable;

  function depositAndBorrow(
    address _collateralType,
    uint256 _depositAmount,
    uint256 _borrowAmount
  ) external;

  function depositETHAndBorrow(uint256 _borrowAmount) external payable;

  function withdraw(uint256 _vaultId, uint256 _amount) external;

  function withdrawETH(uint256 _vaultId, uint256 _amount) external;

  function borrow(uint256 _vaultId, uint256 _amount) external;

  function repayAll(uint256 _vaultId) external;

  function repay(uint256 _vaultId, uint256 _amount) external;

  function liquidate(uint256 _vaultId) external;

  function liquidatePartial(uint256 _vaultId, uint256 _amount) external;

  function upgrade(address payable _newVaultsCore) external;

  function acceptUpgrade(address payable _oldVaultsCore) external;

  function setDebtNotifier(IDebtNotifier _debtNotifier) external;

  //Read only
  function a() external view returns (IAddressProvider);

  function WETH() external view returns (IWETH);

  function debtNotifier() external view returns (IDebtNotifier);

  function state() external view returns (IVaultsCoreState);

  function cumulativeRates(address _collateralType) external view returns (uint256);
}

File 20 of 33 : IVaultsDataProvider.sol
// SPDX-License-Identifier: MIT

pragma experimental ABIEncoderV2;
pragma solidity 0.6.12;
import "../interfaces/IAddressProvider.sol";

interface IVaultsDataProvider {
  struct Vault {
    // borrowedType support USDX / PAR
    address collateralType;
    address owner;
    uint256 collateralBalance;
    uint256 baseDebt;
    uint256 createdAt;
  }

  //Write
  function createVault(address _collateralType, address _owner) external returns (uint256);

  function setCollateralBalance(uint256 _id, uint256 _balance) external;

  function setBaseDebt(uint256 _id, uint256 _newBaseDebt) external;

  // Read
  function a() external view returns (IAddressProvider);

  function baseDebt(address _collateralType) external view returns (uint256);

  function vaultCount() external view returns (uint256);

  function vaults(uint256 _id) external view returns (Vault memory);

  function vaultOwner(uint256 _id) external view returns (address);

  function vaultCollateralType(uint256 _id) external view returns (address);

  function vaultCollateralBalance(uint256 _id) external view returns (uint256);

  function vaultBaseDebt(uint256 _id) external view returns (uint256);

  function vaultId(address _collateralType, address _owner) external view returns (uint256);

  function vaultExists(uint256 _id) external view returns (bool);

  function vaultDebt(uint256 _vaultId) external view returns (uint256);

  function debt() external view returns (uint256);

  function collateralDebt(address _collateralType) external view returns (uint256);
}

File 21 of 33 : IFeeDistributor.sol
// SPDX-License-Identifier: MIT

pragma solidity 0.6.12;

import "../interfaces/IAddressProvider.sol";

interface IFeeDistributor {
  event PayeeAdded(address indexed account, uint256 shares);
  event FeeReleased(uint256 income, uint256 releasedAt);

  function release() external;

  function changePayees(address[] memory _payees, uint256[] memory _shares) external;

  function a() external view returns (IAddressProvider);

  function lastReleasedAt() external view returns (uint256);

  function getPayees() external view returns (address[] memory);

  function totalShares() external view returns (uint256);

  function shares(address payee) external view returns (uint256);
}

File 22 of 33 : AggregatorV3Interface.sol
// SPDX-License-Identifier: UNLICENSED

pragma solidity 0.6.12;

interface AggregatorV3Interface {
  function decimals() external view returns (uint8);

  function description() external view returns (string memory);

  function version() external view returns (uint256);

  function getRoundData(uint80 _roundId)
    external
    view
    returns (
      uint80 roundId,
      int256 answer,
      uint256 startedAt,
      uint256 updatedAt,
      uint80 answeredInRound
    );

  function latestRoundData()
    external
    view
    returns (
      uint80 roundId,
      int256 answer,
      uint256 startedAt,
      uint256 updatedAt,
      uint80 answeredInRound
    );
}

File 23 of 33 : IVaultsCoreState.sol
// SPDX-License-Identifier: MIT

pragma experimental ABIEncoderV2;
pragma solidity 0.6.12;
import "./IAddressProvider.sol";
import "../v1/interfaces/IVaultsCoreV1.sol";

interface IVaultsCoreState {
  event CumulativeRateUpdated(address indexed collateralType, uint256 elapsedTime, uint256 newCumulativeRate); //cumulative interest rate from deployment time T0

  function initializeRates(address _collateralType) external;

  function refresh() external;

  function refreshCollateral(address collateralType) external;

  function syncState(IVaultsCoreState _stateAddress) external;

  function syncStateFromV1(IVaultsCoreV1 _core) external;

  //Read only
  function a() external view returns (IAddressProvider);

  function availableIncome() external view returns (uint256);

  function cumulativeRates(address _collateralType) external view returns (uint256);

  function lastRefresh(address _collateralType) external view returns (uint256);

  function synced() external view returns (bool);
}

File 24 of 33 : IWETH.sol
// SPDX-License-Identifier: MIT

pragma experimental ABIEncoderV2;
pragma solidity 0.6.12;

interface IWETH {
  function deposit() external payable;

  function transfer(address to, uint256 value) external returns (bool);

  function withdraw(uint256 wad) external;
}

File 25 of 33 : IDebtNotifier.sol
// SPDX-License-Identifier: MIT

pragma experimental ABIEncoderV2;
pragma solidity 0.6.12;

import '../../governance/interfaces/IGovernanceAddressProvider.sol';
import './ISupplyMiner.sol';

interface IDebtNotifier {
  function debtChanged(uint256 _vaultId) external;

  function setCollateralSupplyMiner(address collateral, ISupplyMiner supplyMiner) external;

  function a() external view returns (IGovernanceAddressProvider);

  function collateralSupplyMinerMapping(address collateral) external view returns (ISupplyMiner);
}

File 26 of 33 : IVaultsCoreV1.sol
// SPDX-License-Identifier: MIT

pragma experimental ABIEncoderV2;
pragma solidity 0.6.12;
import './IAddressProviderV1.sol';

interface IVaultsCoreV1 {
  event Opened(uint256 indexed vaultId, address indexed collateralType, address indexed owner);
  event Deposited(uint256 indexed vaultId, uint256 amount, address indexed sender);
  event Withdrawn(uint256 indexed vaultId, uint256 amount, address indexed sender);
  event Borrowed(uint256 indexed vaultId, uint256 amount, address indexed sender);
  event Repaid(uint256 indexed vaultId, uint256 amount, address indexed sender);
  event Liquidated(
    uint256 indexed vaultId,
    uint256 debtRepaid,
    uint256 collateralLiquidated,
    address indexed owner,
    address indexed sender
  );

  event CumulativeRateUpdated(address indexed collateralType, uint256 elapsedTime, uint256 newCumulativeRate); //cumulative interest rate from deployment time T0

  event InsurancePaid(uint256 indexed vaultId, uint256 insuranceAmount, address indexed sender);

  function deposit(address _collateralType, uint256 _amount) external;

  function withdraw(uint256 _vaultId, uint256 _amount) external;

  function withdrawAll(uint256 _vaultId) external;

  function borrow(uint256 _vaultId, uint256 _amount) external;

  function repayAll(uint256 _vaultId) external;

  function repay(uint256 _vaultId, uint256 _amount) external;

  function liquidate(uint256 _vaultId) external;

  //Refresh
  function initializeRates(address _collateralType) external;

  function refresh() external;

  function refreshCollateral(address collateralType) external;

  //upgrade
  function upgrade(address _newVaultsCore) external;

  //Read only

  function a() external view returns (IAddressProviderV1);

  function availableIncome() external view returns (uint256);

  function cumulativeRates(address _collateralType) external view returns (uint256);

  function lastRefresh(address _collateralType) external view returns (uint256);
}

File 27 of 33 : IAddressProviderV1.sol
// SPDX-License-Identifier: MIT
pragma experimental ABIEncoderV2;
pragma solidity 0.6.12;

import './IConfigProviderV1.sol';
import './ILiquidationManagerV1.sol';
import './IVaultsCoreV1.sol';
import '../../interfaces/IVaultsCore.sol';
import '../../interfaces/IAccessController.sol';
import '../../interfaces/ISTABLEX.sol';
import '../../interfaces/IPriceFeed.sol';
import '../../interfaces/IRatesManager.sol';
import '../../interfaces/IVaultsDataProvider.sol';
import '../../interfaces/IFeeDistributor.sol';

interface IAddressProviderV1 {
  function setAccessController(IAccessController _controller) external;

  function setConfigProvider(IConfigProviderV1 _config) external;

  function setVaultsCore(IVaultsCoreV1 _core) external;

  function setStableX(ISTABLEX _stablex) external;

  function setRatesManager(IRatesManager _ratesManager) external;

  function setPriceFeed(IPriceFeed _priceFeed) external;

  function setLiquidationManager(ILiquidationManagerV1 _liquidationManager) external;

  function setVaultsDataProvider(IVaultsDataProvider _vaultsData) external;

  function setFeeDistributor(IFeeDistributor _feeDistributor) external;

  function controller() external view returns (IAccessController);

  function config() external view returns (IConfigProviderV1);

  function core() external view returns (IVaultsCoreV1);

  function stablex() external view returns (ISTABLEX);

  function ratesManager() external view returns (IRatesManager);

  function priceFeed() external view returns (IPriceFeed);

  function liquidationManager() external view returns (ILiquidationManagerV1);

  function vaultsData() external view returns (IVaultsDataProvider);

  function feeDistributor() external view returns (IFeeDistributor);
}

File 28 of 33 : IConfigProviderV1.sol
// SPDX-License-Identifier: MIT

pragma experimental ABIEncoderV2;
pragma solidity 0.6.12;

import './IAddressProviderV1.sol';

interface IConfigProviderV1 {
  struct CollateralConfig {
    address collateralType;
    uint256 debtLimit;
    uint256 minCollateralRatio;
    uint256 borrowRate;
    uint256 originationFee;
  }

  event CollateralUpdated(
    address indexed collateralType,
    uint256 debtLimit,
    uint256 minCollateralRatio,
    uint256 borrowRate,
    uint256 originationFee
  );
  event CollateralRemoved(address indexed collateralType);

  function setCollateralConfig(
    address _collateralType,
    uint256 _debtLimit,
    uint256 _minCollateralRatio,
    uint256 _borrowRate,
    uint256 _originationFee
  ) external;

  function removeCollateral(address _collateralType) external;

  function setCollateralDebtLimit(address _collateralType, uint256 _debtLimit) external;

  function setCollateralMinCollateralRatio(address _collateralType, uint256 _minCollateralRatio) external;

  function setCollateralBorrowRate(address _collateralType, uint256 _borrowRate) external;

  function setCollateralOriginationFee(address _collateralType, uint256 _originationFee) external;

  function setLiquidationBonus(uint256 _bonus) external;

  function a() external view returns (IAddressProviderV1);

  function collateralConfigs(uint256 _id) external view returns (CollateralConfig memory);

  function collateralIds(address _collateralType) external view returns (uint256);

  function numCollateralConfigs() external view returns (uint256);

  function liquidationBonus() external view returns (uint256);

  function collateralDebtLimit(address _collateralType) external view returns (uint256);

  function collateralMinCollateralRatio(address _collateralType) external view returns (uint256);

  function collateralBorrowRate(address _collateralType) external view returns (uint256);

  function collateralOriginationFee(address _collateralType) external view returns (uint256);
}

File 29 of 33 : ILiquidationManagerV1.sol
// SPDX-License-Identifier: MIT

pragma experimental ABIEncoderV2;
pragma solidity 0.6.12;

import './IAddressProviderV1.sol';

interface ILiquidationManagerV1 {
  function a() external view returns (IAddressProviderV1);

  function calculateHealthFactor(
    address _collateralType,
    uint256 _collateralValue,
    uint256 _vaultDebt
  ) external view returns (uint256 healthFactor);

  function liquidationBonus(uint256 _amount) external view returns (uint256 bonus);

  function applyLiquidationDiscount(uint256 _amount) external view returns (uint256 discountedAmount);

  function isHealthy(
    address _collateralType,
    uint256 _collateralValue,
    uint256 _vaultDebt
  ) external view returns (bool);
}

File 30 of 33 : ISupplyMiner.sol
// SPDX-License-Identifier: MIT

pragma experimental ABIEncoderV2;
pragma solidity 0.6.12;

interface ISupplyMiner {
  function baseDebtChanged(address user, uint256 newBaseDebt) external;
}

File 31 of 33 : IGovernorAlpha.sol
// SPDX-License-Identifier: MIT
pragma experimental ABIEncoderV2;
pragma solidity 0.6.12;

interface IGovernorAlpha {
  /// @notice Possible states that a proposal may be in
  enum ProposalState { Active, Canceled, Defeated, Succeeded, Queued, Expired, Executed }

  struct Proposal {
    // Unique id for looking up a proposal
    uint256 id;
    // Creator of the proposal
    address proposer;
    // The timestamp that the proposal will be available for execution, set once the vote succeeds
    uint256 eta;
    // the ordered list of target addresses for calls to be made
    address[] targets;
    // The ordered list of values (i.e. msg.value) to be passed to the calls to be made
    uint256[] values;
    // The ordered list of function signatures to be called
    string[] signatures;
    // The ordered list of calldata to be passed to each call
    bytes[] calldatas;
    // The timestamp at which voting begins: holders must delegate their votes prior to this timestamp
    uint256 startTime;
    // The timestamp at which voting ends: votes must be cast prior to this timestamp
    uint256 endTime;
    // Current number of votes in favor of this proposal
    uint256 forVotes;
    // Current number of votes in opposition to this proposal
    uint256 againstVotes;
    // Flag marking whether the proposal has been canceled
    bool canceled;
    // Flag marking whether the proposal has been executed
    bool executed;
    // Receipts of ballots for the entire set of voters
    mapping(address => Receipt) receipts;
  }

  /// @notice Ballot receipt record for a voter
  struct Receipt {
    // Whether or not a vote has been cast
    bool hasVoted;
    // Whether or not the voter supports the proposal
    bool support;
    // The number of votes the voter had, which were cast
    uint256 votes;
  }

  /// @notice An event emitted when a new proposal is created
  event ProposalCreated(
    uint256 id,
    address proposer,
    address[] targets,
    uint256[] values,
    string[] signatures,
    bytes[] calldatas,
    uint256 startTime,
    uint256 endTime,
    string description
  );

  /// @notice An event emitted when a vote has been cast on a proposal
  event VoteCast(address voter, uint256 proposalId, bool support, uint256 votes);

  /// @notice An event emitted when a proposal has been canceled
  event ProposalCanceled(uint256 id);

  /// @notice An event emitted when a proposal has been queued in the Timelock
  event ProposalQueued(uint256 id, uint256 eta);

  /// @notice An event emitted when a proposal has been executed in the Timelock
  event ProposalExecuted(uint256 id);

  function propose(
    address[] memory targets,
    uint256[] memory values,
    string[] memory signatures,
    bytes[] memory calldatas,
    string memory description,
    uint256 endTime
  ) external returns (uint256);

  function queue(uint256 proposalId) external;

  function execute(uint256 proposalId) external payable;

  function cancel(uint256 proposalId) external;

  function castVote(uint256 proposalId, bool support) external;

  function getActions(uint256 proposalId)
    external
    view
    returns (
      address[] memory targets,
      uint256[] memory values,
      string[] memory signatures,
      bytes[] memory calldatas
    );

  function getReceipt(uint256 proposalId, address voter) external view returns (Receipt memory);

  function state(uint256 proposalId) external view returns (ProposalState);

  function quorumVotes() external view returns (uint256);

  function proposalThreshold() external view returns (uint256);
}

File 32 of 33 : ITimelock.sol
// SPDX-License-Identifier: BSD-3-Clause
pragma solidity 0.6.12;

interface ITimelock {
  event NewAdmin(address indexed newAdmin);
  event NewPendingAdmin(address indexed newPendingAdmin);
  event NewDelay(uint256 indexed newDelay);
  event CancelTransaction(
    bytes32 indexed txHash,
    address indexed target,
    uint256 value,
    string signature,
    bytes data,
    uint256 eta
  );
  event ExecuteTransaction(
    bytes32 indexed txHash,
    address indexed target,
    uint256 value,
    string signature,
    bytes data,
    uint256 eta
  );
  event QueueTransaction(
    bytes32 indexed txHash,
    address indexed target,
    uint256 value,
    string signature,
    bytes data,
    uint256 eta
  );

  function acceptAdmin() external;

  function queueTransaction(
    address target,
    uint256 value,
    string calldata signature,
    bytes calldata data,
    uint256 eta
  ) external returns (bytes32);

  function cancelTransaction(
    address target,
    uint256 value,
    string calldata signature,
    bytes calldata data,
    uint256 eta
  ) external;

  function executeTransaction(
    address target,
    uint256 value,
    string calldata signature,
    bytes calldata data,
    uint256 eta
  ) external payable returns (bytes memory);

  function delay() external view returns (uint256);

  function GRACE_PERIOD() external view returns (uint256);

  function queuedTransactions(bytes32 hash) external view returns (bool);
}

File 33 of 33 : IVotingEscrow.sol
// SPDX-License-Identifier: AGPL-3.0
pragma solidity 0.6.12;

import '@openzeppelin/contracts/token/ERC20/IERC20.sol';
import '../../liquidityMining/interfaces/IGenericMiner.sol';

interface IVotingEscrow {
  enum LockAction { CREATE_LOCK, INCREASE_LOCK_AMOUNT, INCREASE_LOCK_TIME }

  struct LockedBalance {
    uint256 amount;
    uint256 end;
  }

  /** Shared Events */
  event Deposit(address indexed provider, uint256 value, uint256 locktime, LockAction indexed action, uint256 ts);
  event Withdraw(address indexed provider, uint256 value, uint256 ts);
  event Expired();

  function createLock(uint256 _value, uint256 _unlockTime) external;

  function increaseLockAmount(uint256 _value) external;

  function increaseLockLength(uint256 _unlockTime) external;

  function withdraw() external;

  function expireContract() external;

  function setMiner(IGenericMiner _miner) external;

  function setMinimumLockTime(uint256 _minimumLockTime) external;

  function name() external view returns (string memory);

  function symbol() external view returns (string memory);

  function decimals() external view returns (uint256);

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

  function balanceOfAt(address _owner, uint256 _blockTime) external view returns (uint256);

  function stakingToken() external view returns (IERC20);
}

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

Contract Security Audit

Contract ABI

[{"inputs":[{"internalType":"contract IGovernanceAddressProvider","name":"_addresses","type":"address"},{"internalType":"contract IERC20","name":"_token","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"user","type":"address"},{"indexed":false,"internalType":"uint256","name":"stake","type":"uint256"}],"name":"StakeDecreased","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"user","type":"address"},{"indexed":false,"internalType":"uint256","name":"stake","type":"uint256"}],"name":"StakeIncreased","type":"event"},{"inputs":[],"name":"a","outputs":[{"internalType":"contract IGovernanceAddressProvider","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"deposit","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_user","type":"address"}],"name":"pendingMIMO","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_user","type":"address"}],"name":"releaseMIMO","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_user","type":"address"}],"name":"stake","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"token","outputs":[{"internalType":"contract IERC20","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalStake","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_user","type":"address"}],"name":"userInfo","outputs":[{"components":[{"internalType":"uint256","name":"stake","type":"uint256"},{"internalType":"uint256","name":"accAmountPerShare","type":"uint256"}],"internalType":"struct IGenericMiner.UserInfo","name":"","type":"tuple"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"withdraw","outputs":[],"stateMutability":"nonpayable","type":"function"}]

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

0000000000000000000000002489df1f40bca6dba1554aafecc237bbc6d0453c000000000000000000000000c1df4e2fd282e39346422e40c403139cd633aacd

-----Decoded View---------------
Arg [0] : _addresses (address): 0x2489DF1F40BcA6DBa1554AafeCc237BBc6d0453c
Arg [1] : _token (address): 0xC1DF4E2fd282e39346422e40C403139CD633Aacd

-----Encoded View---------------
2 Constructor Arguments found :
Arg [0] : 0000000000000000000000002489df1f40bca6dba1554aafecc237bbc6d0453c
Arg [1] : 000000000000000000000000c1df4e2fd282e39346422e40c403139cd633aacd


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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.