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Push Terra Addre...152349292022-07-29 3:13:20727 days ago1659064400IN
0x70969687...4f7cA2Cc4
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0 ETH0.0235189725.10267305
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0x70969687...4f7cA2Cc4
0 ETH0.0226019224.12326324
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0 ETH0.0287004130.63263025
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0 ETH0.0300572432.08039844
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0 ETH0.032499234.68627647
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Push Terra Addre...145663192022-04-11 19:44:54835 days ago1649706294IN
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148420182022-05-25 13:04:41792 days ago1653483881
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148420182022-05-25 13:04:41792 days ago1653483881
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148420182022-05-25 13:04:41792 days ago1653483881
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148420182022-05-25 13:04:41792 days ago1653483881
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148420182022-05-25 13:04:41792 days ago1653483881
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148420182022-05-25 13:04:41792 days ago1653483881
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148420182022-05-25 13:04:41792 days ago1653483881
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148420182022-05-25 13:04:41792 days ago1653483881
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148420182022-05-25 13:04:41792 days ago1653483881
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148420182022-05-25 13:04:41792 days ago1653483881
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148420182022-05-25 13:04:41792 days ago1653483881
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148420182022-05-25 13:04:41792 days ago1653483881
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148420182022-05-25 13:04:41792 days ago1653483881
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148420182022-05-25 13:04:41792 days ago1653483881
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148420182022-05-25 13:04:41792 days ago1653483881
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148420182022-05-25 13:04:41792 days ago1653483881
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148420182022-05-25 13:04:41792 days ago1653483881
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148420182022-05-25 13:04:41792 days ago1653483881
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148420172022-05-25 13:04:27792 days ago1653483867
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148420172022-05-25 13:04:27792 days ago1653483867
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148420172022-05-25 13:04:27792 days ago1653483867
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148420172022-05-25 13:04:27792 days ago1653483867
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148420172022-05-25 13:04:27792 days ago1653483867
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Contract Source Code Verified (Exact Match)

Contract Name:
OperationFactory

Compiler Version
v0.7.3+commit.9bfce1f6

Optimization Enabled:
Yes with 200 runs

Other Settings:
default evmVersion
File 1 of 5 : OperationFactory.sol
// SPDX-License-Identifier: MIT
pragma solidity >=0.6.0 <0.8.0;

import {Clones} from "@openzeppelin/contracts/proxy/Clones.sol";
import {EnumerableSet} from "@openzeppelin/contracts/utils/EnumerableSet.sol";

import {OperationACL} from "./OperationACL.sol";

interface OperationStandard {
    function initialize(bytes memory) external;

    function initPayload(
        address,
        address,
        bytes32
    ) external view returns (bytes memory);
}

interface IOperationFactory {
    event ContractDeployed(
        address indexed instance,
        address indexed controller,
        bytes32 indexed terraAddress
    );

    struct Standard {
        address router;
        address controller;
        address operation;
    }

    function pushTerraAddresses(bytes32[] memory _addrs) external;

    function fetchAddressBufferSize() external view returns (uint256);

    function fetchNextTerraAddress() external view returns (bytes32);

    function build(uint256 _optId) external returns (address);
}

contract OperationFactory is IOperationFactory, OperationACL {
    using EnumerableSet for EnumerableSet.Bytes32Set;

    // standard operations
    uint256 public standardIndex = 0;
    mapping(uint256 => Standard) public standards;

    function pushStandardOperation(
        address _router,
        address _controller,
        address _operation
    ) public onlyOwner returns (uint256) {
        uint256 optStdId = standardIndex;
        standards[optStdId] = Standard({
            router: _router,
            controller: _controller,
            operation: _operation
        });
        standardIndex += 1;
        return optStdId;
    }

    // terra address buffer
    EnumerableSet.Bytes32Set private terraAddresses;

    function pushTerraAddresses(bytes32[] memory _addrs)
        public
        override
        onlyOwner
    {
        for (uint256 i = 0; i < _addrs.length; i++) {
            terraAddresses.add(_addrs[i]);
        }
    }

    function fetchAddressBufferSize() public view override returns (uint256) {
        return terraAddresses.length();
    }

    function fetchNextTerraAddress() public view override returns (bytes32) {
        return terraAddresses.at(0);
    }

    function fetchTerraAddress() private returns (bytes32) {
        bytes32 addr = terraAddresses.at(0);
        terraAddresses.remove(addr);
        return addr;
    }

    function build(uint256 _optId)
        public
        override
        onlyGranted
        returns (address)
    {
        bytes32 terraAddr = fetchTerraAddress();
        Standard memory std = standards[_optId];

        address instance = Clones.clone(std.operation);
        bytes memory payload =
            OperationStandard(std.operation).initPayload(
                std.router,
                std.controller,
                terraAddr
            );
        OperationStandard(instance).initialize(payload);

        emit ContractDeployed(instance, std.controller, terraAddr);

        return instance;
    }
}

File 2 of 5 : Clones.sol
// SPDX-License-Identifier: MIT

pragma solidity >=0.6.0 <0.8.0;

/**
 * @dev https://eips.ethereum.org/EIPS/eip-1167[EIP 1167] is a standard for
 * deploying minimal proxy contracts, also known as "clones".
 *
 * > To simply and cheaply clone contract functionality in an immutable way, this standard specifies
 * > a minimal bytecode implementation that delegates all calls to a known, fixed address.
 *
 * The library includes functions to deploy a proxy using either `create` (traditional deployment) or `create2`
 * (salted deterministic deployment). It also includes functions to predict the addresses of clones deployed using the
 * deterministic method.
 *
 * _Available since v3.4._
 */
library Clones {
    /**
     * @dev Deploys and returns the address of a clone that mimics the behaviour of `master`.
     *
     * This function uses the create opcode, which should never revert.
     */
    function clone(address master) internal returns (address instance) {
        // solhint-disable-next-line no-inline-assembly
        assembly {
            let ptr := mload(0x40)
            mstore(ptr, 0x3d602d80600a3d3981f3363d3d373d3d3d363d73000000000000000000000000)
            mstore(add(ptr, 0x14), shl(0x60, master))
            mstore(add(ptr, 0x28), 0x5af43d82803e903d91602b57fd5bf30000000000000000000000000000000000)
            instance := create(0, ptr, 0x37)
        }
        require(instance != address(0), "ERC1167: create failed");
    }

    /**
     * @dev Deploys and returns the address of a clone that mimics the behaviour of `master`.
     *
     * This function uses the create2 opcode and a `salt` to deterministically deploy
     * the clone. Using the same `master` and `salt` multiple time will revert, since
     * the clones cannot be deployed twice at the same address.
     */
    function cloneDeterministic(address master, bytes32 salt) internal returns (address instance) {
        // solhint-disable-next-line no-inline-assembly
        assembly {
            let ptr := mload(0x40)
            mstore(ptr, 0x3d602d80600a3d3981f3363d3d373d3d3d363d73000000000000000000000000)
            mstore(add(ptr, 0x14), shl(0x60, master))
            mstore(add(ptr, 0x28), 0x5af43d82803e903d91602b57fd5bf30000000000000000000000000000000000)
            instance := create2(0, ptr, 0x37, salt)
        }
        require(instance != address(0), "ERC1167: create2 failed");
    }

    /**
     * @dev Computes the address of a clone deployed using {Clones-cloneDeterministic}.
     */
    function predictDeterministicAddress(address master, bytes32 salt, address deployer) internal pure returns (address predicted) {
        // solhint-disable-next-line no-inline-assembly
        assembly {
            let ptr := mload(0x40)
            mstore(ptr, 0x3d602d80600a3d3981f3363d3d373d3d3d363d73000000000000000000000000)
            mstore(add(ptr, 0x14), shl(0x60, master))
            mstore(add(ptr, 0x28), 0x5af43d82803e903d91602b57fd5bf3ff00000000000000000000000000000000)
            mstore(add(ptr, 0x38), shl(0x60, deployer))
            mstore(add(ptr, 0x4c), salt)
            mstore(add(ptr, 0x6c), keccak256(ptr, 0x37))
            predicted := keccak256(add(ptr, 0x37), 0x55)
        }
    }

    /**
     * @dev Computes the address of a clone deployed using {Clones-cloneDeterministic}.
     */
    function predictDeterministicAddress(address master, bytes32 salt) internal view returns (address predicted) {
        return predictDeterministicAddress(master, salt, address(this));
    }
}

File 3 of 5 : EnumerableSet.sol
// SPDX-License-Identifier: MIT

pragma solidity >=0.6.0 <0.8.0;

/**
 * @dev Library for managing
 * https://en.wikipedia.org/wiki/Set_(abstract_data_type)[sets] of primitive
 * types.
 *
 * Sets have the following properties:
 *
 * - Elements are added, removed, and checked for existence in constant time
 * (O(1)).
 * - Elements are enumerated in O(n). No guarantees are made on the ordering.
 *
 * ```
 * contract Example {
 *     // Add the library methods
 *     using EnumerableSet for EnumerableSet.AddressSet;
 *
 *     // Declare a set state variable
 *     EnumerableSet.AddressSet private mySet;
 * }
 * ```
 *
 * As of v3.3.0, sets of type `bytes32` (`Bytes32Set`), `address` (`AddressSet`)
 * and `uint256` (`UintSet`) are supported.
 */
library EnumerableSet {
    // To implement this library for multiple types with as little code
    // repetition as possible, we write it in terms of a generic Set type with
    // bytes32 values.
    // The Set implementation uses private functions, and user-facing
    // implementations (such as AddressSet) are just wrappers around the
    // underlying Set.
    // This means that we can only create new EnumerableSets for types that fit
    // in bytes32.

    struct Set {
        // Storage of set values
        bytes32[] _values;

        // Position of the value in the `values` array, plus 1 because index 0
        // means a value is not in the set.
        mapping (bytes32 => uint256) _indexes;
    }

    /**
     * @dev Add a value to a set. O(1).
     *
     * Returns true if the value was added to the set, that is if it was not
     * already present.
     */
    function _add(Set storage set, bytes32 value) private returns (bool) {
        if (!_contains(set, value)) {
            set._values.push(value);
            // The value is stored at length-1, but we add 1 to all indexes
            // and use 0 as a sentinel value
            set._indexes[value] = set._values.length;
            return true;
        } else {
            return false;
        }
    }

    /**
     * @dev Removes a value from a set. O(1).
     *
     * Returns true if the value was removed from the set, that is if it was
     * present.
     */
    function _remove(Set storage set, bytes32 value) private returns (bool) {
        // We read and store the value's index to prevent multiple reads from the same storage slot
        uint256 valueIndex = set._indexes[value];

        if (valueIndex != 0) { // Equivalent to contains(set, value)
            // To delete an element from the _values array in O(1), we swap the element to delete with the last one in
            // the array, and then remove the last element (sometimes called as 'swap and pop').
            // This modifies the order of the array, as noted in {at}.

            uint256 toDeleteIndex = valueIndex - 1;
            uint256 lastIndex = set._values.length - 1;

            // When the value to delete is the last one, the swap operation is unnecessary. However, since this occurs
            // so rarely, we still do the swap anyway to avoid the gas cost of adding an 'if' statement.

            bytes32 lastvalue = set._values[lastIndex];

            // Move the last value to the index where the value to delete is
            set._values[toDeleteIndex] = lastvalue;
            // Update the index for the moved value
            set._indexes[lastvalue] = toDeleteIndex + 1; // All indexes are 1-based

            // Delete the slot where the moved value was stored
            set._values.pop();

            // Delete the index for the deleted slot
            delete set._indexes[value];

            return true;
        } else {
            return false;
        }
    }

    /**
     * @dev Returns true if the value is in the set. O(1).
     */
    function _contains(Set storage set, bytes32 value) private view returns (bool) {
        return set._indexes[value] != 0;
    }

    /**
     * @dev Returns the number of values on the set. O(1).
     */
    function _length(Set storage set) private view returns (uint256) {
        return set._values.length;
    }

   /**
    * @dev Returns the value stored at position `index` in the set. O(1).
    *
    * Note that there are no guarantees on the ordering of values inside the
    * array, and it may change when more values are added or removed.
    *
    * Requirements:
    *
    * - `index` must be strictly less than {length}.
    */
    function _at(Set storage set, uint256 index) private view returns (bytes32) {
        require(set._values.length > index, "EnumerableSet: index out of bounds");
        return set._values[index];
    }

    // Bytes32Set

    struct Bytes32Set {
        Set _inner;
    }

    /**
     * @dev Add a value to a set. O(1).
     *
     * Returns true if the value was added to the set, that is if it was not
     * already present.
     */
    function add(Bytes32Set storage set, bytes32 value) internal returns (bool) {
        return _add(set._inner, value);
    }

    /**
     * @dev Removes a value from a set. O(1).
     *
     * Returns true if the value was removed from the set, that is if it was
     * present.
     */
    function remove(Bytes32Set storage set, bytes32 value) internal returns (bool) {
        return _remove(set._inner, value);
    }

    /**
     * @dev Returns true if the value is in the set. O(1).
     */
    function contains(Bytes32Set storage set, bytes32 value) internal view returns (bool) {
        return _contains(set._inner, value);
    }

    /**
     * @dev Returns the number of values in the set. O(1).
     */
    function length(Bytes32Set storage set) internal view returns (uint256) {
        return _length(set._inner);
    }

   /**
    * @dev Returns the value stored at position `index` in the set. O(1).
    *
    * Note that there are no guarantees on the ordering of values inside the
    * array, and it may change when more values are added or removed.
    *
    * Requirements:
    *
    * - `index` must be strictly less than {length}.
    */
    function at(Bytes32Set storage set, uint256 index) internal view returns (bytes32) {
        return _at(set._inner, index);
    }

    // AddressSet

    struct AddressSet {
        Set _inner;
    }

    /**
     * @dev Add a value to a set. O(1).
     *
     * Returns true if the value was added to the set, that is if it was not
     * already present.
     */
    function add(AddressSet storage set, address value) internal returns (bool) {
        return _add(set._inner, bytes32(uint256(uint160(value))));
    }

    /**
     * @dev Removes a value from a set. O(1).
     *
     * Returns true if the value was removed from the set, that is if it was
     * present.
     */
    function remove(AddressSet storage set, address value) internal returns (bool) {
        return _remove(set._inner, bytes32(uint256(uint160(value))));
    }

    /**
     * @dev Returns true if the value is in the set. O(1).
     */
    function contains(AddressSet storage set, address value) internal view returns (bool) {
        return _contains(set._inner, bytes32(uint256(uint160(value))));
    }

    /**
     * @dev Returns the number of values in the set. O(1).
     */
    function length(AddressSet storage set) internal view returns (uint256) {
        return _length(set._inner);
    }

   /**
    * @dev Returns the value stored at position `index` in the set. O(1).
    *
    * Note that there are no guarantees on the ordering of values inside the
    * array, and it may change when more values are added or removed.
    *
    * Requirements:
    *
    * - `index` must be strictly less than {length}.
    */
    function at(AddressSet storage set, uint256 index) internal view returns (address) {
        return address(uint160(uint256(_at(set._inner, index))));
    }


    // UintSet

    struct UintSet {
        Set _inner;
    }

    /**
     * @dev Add a value to a set. O(1).
     *
     * Returns true if the value was added to the set, that is if it was not
     * already present.
     */
    function add(UintSet storage set, uint256 value) internal returns (bool) {
        return _add(set._inner, bytes32(value));
    }

    /**
     * @dev Removes a value from a set. O(1).
     *
     * Returns true if the value was removed from the set, that is if it was
     * present.
     */
    function remove(UintSet storage set, uint256 value) internal returns (bool) {
        return _remove(set._inner, bytes32(value));
    }

    /**
     * @dev Returns true if the value is in the set. O(1).
     */
    function contains(UintSet storage set, uint256 value) internal view returns (bool) {
        return _contains(set._inner, bytes32(value));
    }

    /**
     * @dev Returns the number of values on the set. O(1).
     */
    function length(UintSet storage set) internal view returns (uint256) {
        return _length(set._inner);
    }

   /**
    * @dev Returns the value stored at position `index` in the set. O(1).
    *
    * Note that there are no guarantees on the ordering of values inside the
    * array, and it may change when more values are added or removed.
    *
    * Requirements:
    *
    * - `index` must be strictly less than {length}.
    */
    function at(UintSet storage set, uint256 index) internal view returns (uint256) {
        return uint256(_at(set._inner, index));
    }
}

File 4 of 5 : OperationACL.sol
// SPDX-License-Identifier: MIT
pragma solidity >=0.6.0 <0.8.0;
pragma experimental ABIEncoderV2;

import {Context} from "@openzeppelin/contracts/utils/Context.sol";

abstract contract OperationACL is Context {
    address public owner;
    address public router;
    address public controller;

    constructor() {
        owner = _msgSender();
        router = _msgSender();
        controller = _msgSender();
    }

    modifier onlyOwner {
        require(_msgSender() == owner, "OperationACL: owner access denied");

        _;
    }

    modifier onlyRouter {
        require(_msgSender() == router, "OperationACL: router access denied");

        _;
    }

    modifier onlyController {
        require(
            _msgSender() == controller,
            "OperationACL: controller access denied"
        );

        _;
    }

    modifier onlyGranted {
        address sender = _msgSender();
        require(
            sender == owner || sender == router || sender == controller,
            "OperationACL: denied"
        );

        _;
    }

    function transferOwnership(address _owner) public onlyOwner {
        owner = _owner;
    }

    function transferRouter(address _router) public onlyOwner {
        router = _router;
    }

    function transferController(address _controller) public onlyOwner {
        controller = _controller;
    }
}

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

pragma solidity >=0.6.0 <0.8.0;

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

    function _msgData() internal view virtual returns (bytes memory) {
        this; // silence state mutability warning without generating bytecode - see https://github.com/ethereum/solidity/issues/2691
        return msg.data;
    }
}

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

Contract Security Audit

Contract ABI

[{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"instance","type":"address"},{"indexed":true,"internalType":"address","name":"controller","type":"address"},{"indexed":true,"internalType":"bytes32","name":"terraAddress","type":"bytes32"}],"name":"ContractDeployed","type":"event"},{"inputs":[{"internalType":"uint256","name":"_optId","type":"uint256"}],"name":"build","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"controller","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"fetchAddressBufferSize","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"fetchNextTerraAddress","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_router","type":"address"},{"internalType":"address","name":"_controller","type":"address"},{"internalType":"address","name":"_operation","type":"address"}],"name":"pushStandardOperation","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes32[]","name":"_addrs","type":"bytes32[]"}],"name":"pushTerraAddresses","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"router","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"standardIndex","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"","type":"uint256"}],"name":"standards","outputs":[{"internalType":"address","name":"router","type":"address"},{"internalType":"address","name":"controller","type":"address"},{"internalType":"address","name":"operation","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_controller","type":"address"}],"name":"transferController","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_owner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_router","type":"address"}],"name":"transferRouter","outputs":[],"stateMutability":"nonpayable","type":"function"}]

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Deployed Bytecode

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