ETH Price: $3,260.47 (+0.33%)
 

Overview

ETH Balance

13.424377771633804946 ETH

Eth Value

$43,769.84 (@ $3,260.47/ETH)

Token Holdings

Multichain Info

No addresses found
Transaction Hash
Method
Block
From
To
Set Addresses163618372023-01-08 11:41:35746 days ago1673178095IN
MahaDAO: ActivePool
0 ETH0.0025807620

Latest 25 internal transactions (View All)

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From
To
199832692024-05-30 14:30:59238 days ago1717079459
MahaDAO: ActivePool
0.4195497 ETH
199832692024-05-30 14:30:59238 days ago1717079459
MahaDAO: ActivePool
0.03017873 ETH
199832692024-05-30 14:30:59238 days ago1717079459
MahaDAO: ActivePool
3.48904766 ETH
195617122024-04-01 14:56:11297 days ago1711983371
MahaDAO: ActivePool
0.0045 ETH
195617122024-04-01 14:56:11297 days ago1711983371
MahaDAO: ActivePool
0.8955 ETH
195503222024-03-31 0:28:11298 days ago1711844891
MahaDAO: ActivePool
0.9 ETH
195502932024-03-31 0:22:23298 days ago1711844543
MahaDAO: ActivePool
0.00420872 ETH
195502932024-03-31 0:22:23298 days ago1711844543
MahaDAO: ActivePool
0.8375362 ETH
195502932024-03-31 0:22:23298 days ago1711844543
MahaDAO: ActivePool
0.12174493 ETH
195502932024-03-31 0:22:23298 days ago1711844543
MahaDAO: ActivePool
0.0095 ETH
195502932024-03-31 0:22:23298 days ago1711844543
MahaDAO: ActivePool
1.87775639 ETH
195502932024-03-31 0:22:23298 days ago1711844543
MahaDAO: ActivePool
0.0127436 ETH
195502922024-03-31 0:22:11298 days ago1711844531
MahaDAO: ActivePool
0.72 ETH
194150792024-03-11 23:18:35317 days ago1710199115
MahaDAO: ActivePool
1.1 ETH
193869952024-03-08 0:52:59321 days ago1709859179
MahaDAO: ActivePool
0.8 ETH
192679002024-02-20 9:01:59338 days ago1708419719
MahaDAO: ActivePool
1.27589223 ETH
192679002024-02-20 9:01:59338 days ago1708419719
MahaDAO: ActivePool
0.85337181 ETH
192679002024-02-20 9:01:59338 days ago1708419719
MahaDAO: ActivePool
2.44343755 ETH
192679002024-02-20 9:01:59338 days ago1708419719
MahaDAO: ActivePool
0.24716386 ETH
191950972024-02-10 3:40:47348 days ago1707536447
MahaDAO: ActivePool
0.18872376 ETH
191950972024-02-10 3:40:47348 days ago1707536447
MahaDAO: ActivePool
2.44343755 ETH
191950972024-02-10 3:40:47348 days ago1707536447
MahaDAO: ActivePool
0.1651755 ETH
191609082024-02-05 8:32:35353 days ago1707121955
MahaDAO: ActivePool
0.75 ETH
190749432024-01-24 7:15:23365 days ago1706080523
MahaDAO: ActivePool
0.01385 ETH
190749432024-01-24 7:15:23365 days ago1706080523
MahaDAO: ActivePool
2.44343755 ETH
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Similar Match Source Code
This contract matches the deployed Bytecode of the Source Code for Contract 0xd8152aD9...244C1397a
The constructor portion of the code might be different and could alter the actual behaviour of the contract

Contract Name:
ActivePool

Compiler Version
v0.8.0+commit.c7dfd78e

Optimization Enabled:
Yes with 100 runs

Other Settings:
default evmVersion
File 1 of 6 : ActivePool.sol
// SPDX-License-Identifier: MIT

pragma solidity 0.8.0;

import "./Interfaces/IActivePool.sol";
import "./Dependencies/SafeMath.sol";
import "./Dependencies/Ownable.sol";
import "./Dependencies/CheckContract.sol";

/*
 * The Active Pool holds the ETH collateral and ARTH debt (but not ARTH tokens) for all active troves.
 *
 * When a trove is liquidated, it's ETH and ARTH debt are transferred from the Active Pool, to either the
 * Stability Pool, the Default Pool, or both, depending on the liquidation conditions.
 *
 */
contract ActivePool is Ownable, CheckContract, IActivePool {
    using SafeMath for uint256;

    string public constant NAME = "ActivePool";

    address public borrowerOperationsAddress;
    address public troveManagerAddress;
    address public stabilityPoolAddress;
    address public defaultPoolAddress;
    uint256 internal ETH; // deposited ether tracker
    uint256 internal ARTHDebt;

    // --- Contract setters ---

    function setAddresses(
        address _borrowerOperationsAddress,
        address _troveManagerAddress,
        address _stabilityPoolAddress,
        address _defaultPoolAddress
    ) external onlyOwner {
        checkContract(_borrowerOperationsAddress);
        checkContract(_troveManagerAddress);
        checkContract(_stabilityPoolAddress);
        checkContract(_defaultPoolAddress);

        borrowerOperationsAddress = _borrowerOperationsAddress;
        troveManagerAddress = _troveManagerAddress;
        stabilityPoolAddress = _stabilityPoolAddress;
        defaultPoolAddress = _defaultPoolAddress;

        emit BorrowerOperationsAddressChanged(_borrowerOperationsAddress);
        emit TroveManagerAddressChanged(_troveManagerAddress);
        emit StabilityPoolAddressChanged(_stabilityPoolAddress);
        emit DefaultPoolAddressChanged(_defaultPoolAddress);

        _renounceOwnership();
    }

    // --- Getters for public variables. Required by IPool interface ---

    /*
     * Returns the ETH state variable.
     *
     *Not necessarily equal to the the contract's raw ETH balance - ether can be forcibly sent to contracts.
     */
    function getETH() external view override returns (uint256) {
        return ETH;
    }

    function getARTHDebt() external view override returns (uint256) {
        return ARTHDebt;
    }

    // --- Pool functionality ---

    function sendETH(address _account, uint256 _amount) external override {
        _requireCallerIsBOorTroveMorSP();
        ETH = ETH.sub(_amount);
        emit ActivePoolETHBalanceUpdated(ETH);
        emit EtherSent(_account, _amount);

        (bool success, ) = _account.call{value: _amount}("");
        require(success, "ActivePool: sending ETH failed");
    }

    function increaseARTHDebt(uint256 _amount) external override {
        _requireCallerIsBOorTroveM();
        ARTHDebt = ARTHDebt.add(_amount);
        ActivePoolARTHDebtUpdated(ARTHDebt);
    }

    function decreaseARTHDebt(uint256 _amount) external override {
        _requireCallerIsBOorTroveMorSP();
        ARTHDebt = ARTHDebt.sub(_amount);
        ActivePoolARTHDebtUpdated(ARTHDebt);
    }

    // --- 'require' functions ---

    function _requireCallerIsBorrowerOperationsOrDefaultPool() internal view {
        require(
            msg.sender == borrowerOperationsAddress || msg.sender == defaultPoolAddress,
            "ActivePool: Caller is neither BO nor Default Pool"
        );
    }

    function _requireCallerIsBOorTroveMorSP() internal view {
        require(
            msg.sender == borrowerOperationsAddress ||
                msg.sender == troveManagerAddress ||
                msg.sender == stabilityPoolAddress,
            "ActivePool: Caller is neither BorrowerOperations nor TroveManager nor StabilityPool"
        );
    }

    function _requireCallerIsBOorTroveM() internal view {
        require(
            msg.sender == borrowerOperationsAddress || msg.sender == troveManagerAddress,
            "ActivePool: Caller is neither BorrowerOperations nor TroveManager"
        );
    }

    // --- Fallback function ---

    receive() external payable {
        _requireCallerIsBorrowerOperationsOrDefaultPool();
        ETH = ETH.add(msg.value);
        emit ActivePoolETHBalanceUpdated(ETH);
    }
}

File 2 of 6 : IActivePool.sol
// SPDX-License-Identifier: MIT

pragma solidity 0.8.0;

import "./IPool.sol";

interface IActivePool is IPool {
    // --- Events ---
    event BorrowerOperationsAddressChanged(address _newBorrowerOperationsAddress);
    event TroveManagerAddressChanged(address _newTroveManagerAddress);
    event ActivePoolARTHDebtUpdated(uint256 _ARTHDebt);
    event ActivePoolETHBalanceUpdated(uint256 _ETH);

    // --- Functions ---
    function sendETH(address _account, uint256 _amount) external;
}

File 3 of 6 : SafeMath.sol
// SPDX-License-Identifier: MIT

pragma solidity 0.8.0;

/**
 * Based on OpenZeppelin's SafeMath:
 * https://github.com/OpenZeppelin/openzeppelin-contracts/blob/master/contracts/math/SafeMath.sol
 *
 * @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, 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) {
        return sub(a, b, "SafeMath: subtraction overflow");
    }

    /**
     * @dev Returns the subtraction of two unsigned integers, reverting with custom message on
     * overflow (when the result is negative).
     *
     * Counterpart to Solidity's `-` operator.
     *
     * Requirements:
     * - Subtraction cannot overflow.
     *
     * _Available since v2.4.0._
     */
    function sub(
        uint256 a,
        uint256 b,
        string memory errorMessage
    ) internal pure returns (uint256) {
        require(b <= a, errorMessage);
        uint256 c = a - b;

        return c;
    }

    /**
     * @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) {
        // 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 0;
        }

        uint256 c = a * b;
        require(c / a == b, "SafeMath: multiplication overflow");

        return c;
    }

    /**
     * @dev Returns the integer division of two unsigned integers. Reverts 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) {
        return div(a, b, "SafeMath: division by zero");
    }

    /**
     * @dev Returns the integer division of two unsigned integers. Reverts 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.
     *
     * _Available since v2.4.0._
     */
    function div(
        uint256 a,
        uint256 b,
        string memory errorMessage
    ) internal pure returns (uint256) {
        // Solidity only automatically asserts when dividing by 0
        require(b > 0, errorMessage);
        uint256 c = a / b;
        // assert(a == b * c + a % b); // There is no case in which this doesn't hold

        return c;
    }

    /**
     * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
     * Reverts 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 mod(a, b, "SafeMath: modulo by zero");
    }

    /**
     * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
     * Reverts with custom message 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.
     *
     * _Available since v2.4.0._
     */
    function mod(
        uint256 a,
        uint256 b,
        string memory errorMessage
    ) internal pure returns (uint256) {
        require(b != 0, errorMessage);
        return a % b;
    }
}

File 4 of 6 : Ownable.sol
// SPDX-License-Identifier: MIT

pragma solidity 0.8.0;

/**
 * Based on OpenZeppelin's Ownable contract:
 * https://github.com/OpenZeppelin/openzeppelin-contracts/blob/master/contracts/access/Ownable.sol
 *
 * @dev Contract module which provides a basic access control mechanism, where
 * there is an account (an owner) that can be granted exclusive access to
 * specific functions.
 *
 * This module is used through inheritance. It will make available the modifier
 * `onlyOwner`, which can be applied to your functions to restrict their use to
 * the owner.
 */
contract Ownable {
    address private _owner;

    event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);

    /**
     * @dev Initializes the contract setting the deployer as the initial owner.
     */
    constructor() {
        _owner = msg.sender;
        emit OwnershipTransferred(address(0), msg.sender);
    }

    /**
     * @dev Returns the address of the current owner.
     */
    function owner() public view returns (address) {
        return _owner;
    }

    /**
     * @dev Throws if called by any account other than the owner.
     */
    modifier onlyOwner() {
        require(isOwner(), "Ownable: caller is not the owner");
        _;
    }

    /**
     * @dev Returns true if the caller is the current owner.
     */
    function isOwner() public view returns (bool) {
        return msg.sender == _owner;
    }

    /**
     * @dev Leaves the contract without owner. It will not be possible to call
     * `onlyOwner` functions anymore.
     *
     * NOTE: Renouncing ownership will leave the contract without an owner,
     * thereby removing any functionality that is only available to the owner.
     *
     * NOTE: This function is not safe, as it doesn’t check owner is calling it.
     * Make sure you check it before calling it.
     */
    function _renounceOwnership() internal {
        emit OwnershipTransferred(_owner, address(0));
        _owner = address(0);
    }

    /**
     * @dev Transfers ownership of the contract to a new account (`newOwner`).
     * Can only be called by the current owner.
     */
    function transferOwnership(address newOwner) public virtual onlyOwner {
        require(newOwner != address(0), "Ownable: new owner is the zero address");
        _transferOwnership(newOwner);
    }

    /**
     * @dev Transfers ownership of the contract to a new account (`newOwner`).
     * Internal function without access restriction.
     */
    function _transferOwnership(address newOwner) internal virtual {
        address oldOwner = _owner;
        _owner = newOwner;
        emit OwnershipTransferred(oldOwner, newOwner);
    }
}

File 5 of 6 : CheckContract.sol
// SPDX-License-Identifier: MIT

pragma solidity 0.8.0;

contract CheckContract {
    /**
     * Check that the account is an already deployed non-destroyed contract.
     * See: https://github.com/OpenZeppelin/openzeppelin-contracts/blob/master/contracts/utils/Address.sol#L12
     */
    function checkContract(address _account) internal view {
        require(_account != address(0), "Account cannot be zero address");

        uint256 size;
        // solhint-disable-next-line no-inline-assembly
        assembly {
            size := extcodesize(_account)
        }
        require(size > 0, "Account code size cannot be zero");
    }
}

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

pragma solidity 0.8.0;

// Common interface for the Pools.
interface IPool {
    // --- Events ---

    event ETHBalanceUpdated(uint256 _newBalance);
    event ARTHBalanceUpdated(uint256 _newBalance);
    event ActivePoolAddressChanged(address _newActivePoolAddress);
    event DefaultPoolAddressChanged(address _newDefaultPoolAddress);
    event StabilityPoolAddressChanged(address _newStabilityPoolAddress);
    event EtherSent(address _to, uint256 _amount);

    // --- Functions ---

    function getETH() external view returns (uint256);

    function getARTHDebt() external view returns (uint256);

    function increaseARTHDebt(uint256 _amount) external;

    function decreaseARTHDebt(uint256 _amount) external;
}

Settings
{
  "optimizer": {
    "enabled": true,
    "runs": 100
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "libraries": {}
}

Contract Security Audit

Contract ABI

[{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint256","name":"_newBalance","type":"uint256"}],"name":"ARTHBalanceUpdated","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint256","name":"_ARTHDebt","type":"uint256"}],"name":"ActivePoolARTHDebtUpdated","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"_newActivePoolAddress","type":"address"}],"name":"ActivePoolAddressChanged","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint256","name":"_ETH","type":"uint256"}],"name":"ActivePoolETHBalanceUpdated","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"_newBorrowerOperationsAddress","type":"address"}],"name":"BorrowerOperationsAddressChanged","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"_newDefaultPoolAddress","type":"address"}],"name":"DefaultPoolAddressChanged","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint256","name":"_newBalance","type":"uint256"}],"name":"ETHBalanceUpdated","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"_to","type":"address"},{"indexed":false,"internalType":"uint256","name":"_amount","type":"uint256"}],"name":"EtherSent","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"previousOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"_newStabilityPoolAddress","type":"address"}],"name":"StabilityPoolAddressChanged","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"_newTroveManagerAddress","type":"address"}],"name":"TroveManagerAddressChanged","type":"event"},{"inputs":[],"name":"NAME","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"borrowerOperationsAddress","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"_amount","type":"uint256"}],"name":"decreaseARTHDebt","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"defaultPoolAddress","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getARTHDebt","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getETH","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"_amount","type":"uint256"}],"name":"increaseARTHDebt","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"isOwner","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_account","type":"address"},{"internalType":"uint256","name":"_amount","type":"uint256"}],"name":"sendETH","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_borrowerOperationsAddress","type":"address"},{"internalType":"address","name":"_troveManagerAddress","type":"address"},{"internalType":"address","name":"_stabilityPoolAddress","type":"address"},{"internalType":"address","name":"_defaultPoolAddress","type":"address"}],"name":"setAddresses","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"stabilityPoolAddress","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"troveManagerAddress","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"stateMutability":"payable","type":"receive"}]

Deployed Bytecode

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Where all the ETH backing ARTH is stored.

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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.