Contract 0x352346b3628529c29585bFD0aE0382bD5E49382b 2

 
Txn Hash
Method
Block
From
To
Value
0xc6e8374bc4f38b622d75a24a6f4bb4a28b34587f7a2fd4c0e0812361d2a9bb92Transfer99021022020-04-19 9:44:56900 days 17 hrs ago0x6fc46b64e3de0a4962d15a75129f39a9068c6f10 IN  0x352346b3628529c29585bfd0ae0382bd5e49382b0.01 Ether0.0003481110
[ Download CSV Export 
Latest 1 internal transaction
Parent Txn Hash Block From To Value
0xe171495513a83ea429bfc9ac5a44b02ab597e4a75692d0a877a0cc949c16927699001992020-04-19 2:47:16901 days 5 mins ago 0x2393d5f802591b8bd602b0f7415853491b579a4c  Contract Creation0 Ether
[ Download CSV Export 
Loading
This contract may be a proxy contract. Click on More Options and select Is this a proxy? to confirm and enable the "Read as Proxy" & "Write as Proxy" tabs.

Similar Match Source Code
Note: This contract matches the deployed ByteCode of the Source Code for Contract 0x73ab89a66c82db6859c7f182b6e5d9dfe222912c

Contract Name:
AppProxyUpgradeable

Compiler Version
v0.4.24+commit.e67f0147

Optimization Enabled:
Yes with 10000 runs

Other Settings:
default evmVersion, GNU GPLv3 license

Contract Source Code (Solidity)

/**
 *Submitted for verification at Etherscan.io on 2019-09-06
*/

// File: contracts/common/UnstructuredStorage.sol

/*
 * SPDX-License-Identitifer:    MIT
 */

pragma solidity ^0.4.24;


library UnstructuredStorage {
    function getStorageBool(bytes32 position) internal view returns (bool data) {
        assembly { data := sload(position) }
    }

    function getStorageAddress(bytes32 position) internal view returns (address data) {
        assembly { data := sload(position) }
    }

    function getStorageBytes32(bytes32 position) internal view returns (bytes32 data) {
        assembly { data := sload(position) }
    }

    function getStorageUint256(bytes32 position) internal view returns (uint256 data) {
        assembly { data := sload(position) }
    }

    function setStorageBool(bytes32 position, bool data) internal {
        assembly { sstore(position, data) }
    }

    function setStorageAddress(bytes32 position, address data) internal {
        assembly { sstore(position, data) }
    }

    function setStorageBytes32(bytes32 position, bytes32 data) internal {
        assembly { sstore(position, data) }
    }

    function setStorageUint256(bytes32 position, uint256 data) internal {
        assembly { sstore(position, data) }
    }
}

// File: contracts/acl/IACL.sol

/*
 * SPDX-License-Identitifer:    MIT
 */

pragma solidity ^0.4.24;


interface IACL {
    function initialize(address permissionsCreator) external;

    // TODO: this should be external
    // See https://github.com/ethereum/solidity/issues/4832
    function hasPermission(address who, address where, bytes32 what, bytes how) public view returns (bool);
}

// File: contracts/common/IVaultRecoverable.sol

/*
 * SPDX-License-Identitifer:    MIT
 */

pragma solidity ^0.4.24;


interface IVaultRecoverable {
    event RecoverToVault(address indexed vault, address indexed token, uint256 amount);

    function transferToVault(address token) external;

    function allowRecoverability(address token) external view returns (bool);
    function getRecoveryVault() external view returns (address);
}

// File: contracts/kernel/IKernel.sol

/*
 * SPDX-License-Identitifer:    MIT
 */

pragma solidity ^0.4.24;




interface IKernelEvents {
    event SetApp(bytes32 indexed namespace, bytes32 indexed appId, address app);
}


// This should be an interface, but interfaces can't inherit yet :(
contract IKernel is IKernelEvents, IVaultRecoverable {
    function acl() public view returns (IACL);
    function hasPermission(address who, address where, bytes32 what, bytes how) public view returns (bool);

    function setApp(bytes32 namespace, bytes32 appId, address app) public;
    function getApp(bytes32 namespace, bytes32 appId) public view returns (address);
}

// File: contracts/apps/AppStorage.sol

/*
 * SPDX-License-Identitifer:    MIT
 */

pragma solidity ^0.4.24;




contract AppStorage {
    using UnstructuredStorage for bytes32;

    /* Hardcoded constants to save gas
    bytes32 internal constant KERNEL_POSITION = keccak256("aragonOS.appStorage.kernel");
    bytes32 internal constant APP_ID_POSITION = keccak256("aragonOS.appStorage.appId");
    */
    bytes32 internal constant KERNEL_POSITION = 0x4172f0f7d2289153072b0a6ca36959e0cbe2efc3afe50fc81636caa96338137b;
    bytes32 internal constant APP_ID_POSITION = 0xd625496217aa6a3453eecb9c3489dc5a53e6c67b444329ea2b2cbc9ff547639b;

    function kernel() public view returns (IKernel) {
        return IKernel(KERNEL_POSITION.getStorageAddress());
    }

    function appId() public view returns (bytes32) {
        return APP_ID_POSITION.getStorageBytes32();
    }

    function setKernel(IKernel _kernel) internal {
        KERNEL_POSITION.setStorageAddress(address(_kernel));
    }

    function setAppId(bytes32 _appId) internal {
        APP_ID_POSITION.setStorageBytes32(_appId);
    }
}

// File: contracts/common/IsContract.sol

/*
 * SPDX-License-Identitifer:    MIT
 */

pragma solidity ^0.4.24;


contract IsContract {
    /*
    * NOTE: this should NEVER be used for authentication
    * (see pitfalls: https://github.com/fergarrui/ethereum-security/tree/master/contracts/extcodesize).
    *
    * This is only intended to be used as a sanity check that an address is actually a contract,
    * RATHER THAN an address not being a contract.
    */
    function isContract(address _target) internal view returns (bool) {
        if (_target == address(0)) {
            return false;
        }

        uint256 size;
        assembly { size := extcodesize(_target) }
        return size > 0;
    }
}

// File: contracts/lib/misc/ERCProxy.sol

/*
 * SPDX-License-Identitifer:    MIT
 */

pragma solidity ^0.4.24;


contract ERCProxy {
    uint256 internal constant FORWARDING = 1;
    uint256 internal constant UPGRADEABLE = 2;

    function proxyType() public pure returns (uint256 proxyTypeId);
    function implementation() public view returns (address codeAddr);
}

// File: contracts/common/DelegateProxy.sol

pragma solidity 0.4.24;




contract DelegateProxy is ERCProxy, IsContract {
    uint256 internal constant FWD_GAS_LIMIT = 10000;

    /**
    * @dev Performs a delegatecall and returns whatever the delegatecall returned (entire context execution will return!)
    * @param _dst Destination address to perform the delegatecall
    * @param _calldata Calldata for the delegatecall
    */
    function delegatedFwd(address _dst, bytes _calldata) internal {
        require(isContract(_dst));
        uint256 fwdGasLimit = FWD_GAS_LIMIT;

        assembly {
            let result := delegatecall(sub(gas, fwdGasLimit), _dst, add(_calldata, 0x20), mload(_calldata), 0, 0)
            let size := returndatasize
            let ptr := mload(0x40)
            returndatacopy(ptr, 0, size)

            // revert instead of invalid() bc if the underlying call failed with invalid() it already wasted gas.
            // if the call returned error data, forward it
            switch result case 0 { revert(ptr, size) }
            default { return(ptr, size) }
        }
    }
}

// File: contracts/common/DepositableStorage.sol

pragma solidity 0.4.24;



contract DepositableStorage {
    using UnstructuredStorage for bytes32;

    // keccak256("aragonOS.depositableStorage.depositable")
    bytes32 internal constant DEPOSITABLE_POSITION = 0x665fd576fbbe6f247aff98f5c94a561e3f71ec2d3c988d56f12d342396c50cea;

    function isDepositable() public view returns (bool) {
        return DEPOSITABLE_POSITION.getStorageBool();
    }

    function setDepositable(bool _depositable) internal {
        DEPOSITABLE_POSITION.setStorageBool(_depositable);
    }
}

// File: contracts/common/DepositableDelegateProxy.sol

pragma solidity 0.4.24;




contract DepositableDelegateProxy is DepositableStorage, DelegateProxy {
    event ProxyDeposit(address sender, uint256 value);

    function () external payable {
        uint256 forwardGasThreshold = FWD_GAS_LIMIT;
        bytes32 isDepositablePosition = DEPOSITABLE_POSITION;

        // Optimized assembly implementation to prevent EIP-1884 from breaking deposits, reference code in Solidity:
        // https://github.com/aragon/aragonOS/blob/v4.2.1/contracts/common/DepositableDelegateProxy.sol#L10-L20
        assembly {
            // Continue only if the gas left is lower than the threshold for forwarding to the implementation code,
            // otherwise continue outside of the assembly block.
            if lt(gas, forwardGasThreshold) {
                // Only accept the deposit and emit an event if all of the following are true:
                // the proxy accepts deposits (isDepositable), msg.data.length == 0, and msg.value > 0
                if and(and(sload(isDepositablePosition), iszero(calldatasize)), gt(callvalue, 0)) {
                    // Equivalent Solidity code for emitting the event:
                    // emit ProxyDeposit(msg.sender, msg.value);

                    let logData := mload(0x40) // free memory pointer
                    mstore(logData, caller) // add 'msg.sender' to the log data (first event param)
                    mstore(add(logData, 0x20), callvalue) // add 'msg.value' to the log data (second event param)

                    // Emit an event with one topic to identify the event: keccak256('ProxyDeposit(address,uint256)') = 0x15ee...dee1
                    log1(logData, 0x40, 0x15eeaa57c7bd188c1388020bcadc2c436ec60d647d36ef5b9eb3c742217ddee1)

                    stop() // Stop. Exits execution context
                }

                // If any of above checks failed, revert the execution (if ETH was sent, it is returned to the sender)
                revert(0, 0)
            }
        }

        address target = implementation();
        delegatedFwd(target, msg.data);
    }
}

// File: contracts/kernel/KernelConstants.sol

/*
 * SPDX-License-Identitifer:    MIT
 */

pragma solidity ^0.4.24;


contract KernelAppIds {
    /* Hardcoded constants to save gas
    bytes32 internal constant KERNEL_CORE_APP_ID = apmNamehash("kernel");
    bytes32 internal constant KERNEL_DEFAULT_ACL_APP_ID = apmNamehash("acl");
    bytes32 internal constant KERNEL_DEFAULT_VAULT_APP_ID = apmNamehash("vault");
    */
    bytes32 internal constant KERNEL_CORE_APP_ID = 0x3b4bf6bf3ad5000ecf0f989d5befde585c6860fea3e574a4fab4c49d1c177d9c;
    bytes32 internal constant KERNEL_DEFAULT_ACL_APP_ID = 0xe3262375f45a6e2026b7e7b18c2b807434f2508fe1a2a3dfb493c7df8f4aad6a;
    bytes32 internal constant KERNEL_DEFAULT_VAULT_APP_ID = 0x7e852e0fcfce6551c13800f1e7476f982525c2b5277ba14b24339c68416336d1;
}


contract KernelNamespaceConstants {
    /* Hardcoded constants to save gas
    bytes32 internal constant KERNEL_CORE_NAMESPACE = keccak256("core");
    bytes32 internal constant KERNEL_APP_BASES_NAMESPACE = keccak256("base");
    bytes32 internal constant KERNEL_APP_ADDR_NAMESPACE = keccak256("app");
    */
    bytes32 internal constant KERNEL_CORE_NAMESPACE = 0xc681a85306374a5ab27f0bbc385296a54bcd314a1948b6cf61c4ea1bc44bb9f8;
    bytes32 internal constant KERNEL_APP_BASES_NAMESPACE = 0xf1f3eb40f5bc1ad1344716ced8b8a0431d840b5783aea1fd01786bc26f35ac0f;
    bytes32 internal constant KERNEL_APP_ADDR_NAMESPACE = 0xd6f028ca0e8edb4a8c9757ca4fdccab25fa1e0317da1188108f7d2dee14902fb;
}

// File: contracts/apps/AppProxyBase.sol

pragma solidity 0.4.24;






contract AppProxyBase is AppStorage, DepositableDelegateProxy, KernelNamespaceConstants {
    /**
    * @dev Initialize AppProxy
    * @param _kernel Reference to organization kernel for the app
    * @param _appId Identifier for app
    * @param _initializePayload Payload for call to be made after setup to initialize
    */
    constructor(IKernel _kernel, bytes32 _appId, bytes _initializePayload) public {
        setKernel(_kernel);
        setAppId(_appId);

        // Implicit check that kernel is actually a Kernel
        // The EVM doesn't actually provide a way for us to make sure, but we can force a revert to
        // occur if the kernel is set to 0x0 or a non-code address when we try to call a method on
        // it.
        address appCode = getAppBase(_appId);

        // If initialize payload is provided, it will be executed
        if (_initializePayload.length > 0) {
            require(isContract(appCode));
            // Cannot make delegatecall as a delegateproxy.delegatedFwd as it
            // returns ending execution context and halts contract deployment
            require(appCode.delegatecall(_initializePayload));
        }
    }

    function getAppBase(bytes32 _appId) internal view returns (address) {
        return kernel().getApp(KERNEL_APP_BASES_NAMESPACE, _appId);
    }
}

// File: contracts/apps/AppProxyUpgradeable.sol

pragma solidity 0.4.24;



contract AppProxyUpgradeable is AppProxyBase {
    /**
    * @dev Initialize AppProxyUpgradeable (makes it an upgradeable Aragon app)
    * @param _kernel Reference to organization kernel for the app
    * @param _appId Identifier for app
    * @param _initializePayload Payload for call to be made after setup to initialize
    */
    constructor(IKernel _kernel, bytes32 _appId, bytes _initializePayload)
        AppProxyBase(_kernel, _appId, _initializePayload)
        public // solium-disable-line visibility-first
    {
        // solium-disable-previous-line no-empty-blocks
    }

    /**
     * @dev ERC897, the address the proxy would delegate calls to
     */
    function implementation() public view returns (address) {
        return getAppBase(appId());
    }

    /**
     * @dev ERC897, whether it is a forwarding (1) or an upgradeable (2) proxy
     */
    function proxyType() public pure returns (uint256 proxyTypeId) {
        return UPGRADEABLE;
    }
}

Contract Security Audit

Contract ABI

[{"constant":true,"inputs":[],"name":"proxyType","outputs":[{"name":"proxyTypeId","type":"uint256"}],"payable":false,"stateMutability":"pure","type":"function"},{"constant":true,"inputs":[],"name":"isDepositable","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"implementation","outputs":[{"name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"appId","outputs":[{"name":"","type":"bytes32"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"kernel","outputs":[{"name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"inputs":[{"name":"_kernel","type":"address"},{"name":"_appId","type":"bytes32"},{"name":"_initializePayload","type":"bytes"}],"payable":false,"stateMutability":"nonpayable","type":"constructor"},{"payable":true,"stateMutability":"payable","type":"fallback"},{"anonymous":false,"inputs":[{"indexed":false,"name":"sender","type":"address"},{"indexed":false,"name":"value","type":"uint256"}],"name":"ProxyDeposit","type":"event"}]

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

Deployed ByteCode Sourcemap

12048:1002:0:-;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;5242:5;6492:66;7084:27;5242:5;7647:3;7644:28;7641:2;;;7970:1;7959:9;7956:16;7940:12;7933:20;7909:21;7903:28;7899:55;7895:78;7892:2;;;8159:4;8153:11;8225:6;8216:7;8209:23;8337:9;8330:4;8321:7;8317:18;8310:37;8582:66;8576:4;8567:7;8562:87;8673:6;7892:2;8881:1;8878;8871:12;7641:2;8938:16;:14;:16::i;:::-;8921:33;;8965:30;8978:6;8986:8;;8965:30;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;-1:-1:-1;8965:12:0;;-1:-1:-1;;;;;8965:30:0:i;:::-;7044:1959;;;12048:1002;12947:100;;8:9:-1;5:2;;;30:1;27;20:12;5:2;12947:100:0;;;;;;;;;;;;;;;;;;;;6567:115;;8:9:-1;5:2;;;30:1;27;20:12;5:2;6567:115:0;;;;;;;;;;;;;;;;;;;;;;12740:101;;8:9:-1;5:2;;;30:1;27;20:12;5:2;12740:101:0;;;;;;;;;;;;;;;;;;;;;;;3588:108;;8:9:-1;5:2;;;30:1;27;20:12;5:2;3588:108:0;;;;3462:118;;8:9:-1;5:2;;;30:1;27;20:12;5:2;3462:118:0;;;;12740:101;12787:7;12814:19;12825:7;:5;:7::i;:::-;12814:10;:19::i;:::-;12807:26;;12740:101;:::o;5517:694::-;5626:19;5598:16;5609:4;5598:10;:16::i;:::-;5590:25;;;;;;;;5242:5;5626:35;;5797:1;5794;5782:9;5776:16;5769:4;5758:9;5754:20;5748:4;5734:11;5729:3;5725:21;5712:87;5825:14;5870:4;5864:11;5912:4;5909:1;5904:3;5889:28;6115:6;6122:28;;;;6186:4;6181:3;6174:17;6122:28;6143:4;6138:3;6131:17;12947:100;4915:1;12947:100;:::o;6567:115::-;6613:4;6637:37;6492:66;6637:35;:37::i;3588:108::-;3626:7;3653:35;3387:66;3653:33;:35::i;3462:118::-;3501:7;3536:35;3270:66;3536:33;:35::i;11814:145::-;11873:7;11900:8;:6;:8::i;:::-;:51;;;;;;10327:66;11900:51;;;;;;;;;;;;:15;;;;;;;;:51;;;;;;;;;;;;;;;;:15;:51;;;5:2:-1;;;;30:1;27;20:12;5:2;11900:51:0;;;;8:9:-1;5:2;;;45:16;42:1;39;24:38;77:16;74:1;67:27;5:2;11900:51:0;;;;;;;13:2:-1;8:3;5:11;2:2;;;29:1;26;19:12;2:2;-1:-1;11900:51:0;;11814:145;-1:-1:-1;;11814:145:0:o;4422:252::-;4482:4;;4503:21;;;;4499:66;;;4548:5;4541:12;;;;4499:66;4631:7;4619:20;4611:28;;4665:1;4658:4;:8;4651:15;;4422:252;;;;;:::o;166:130::-;272:15;;262:27::o;304:136::-;416:15;;406:27::o;859:121::-;949:22;;947:26::o;988:121::-;1078:22;;1076:26::o

Swarm Source

bzzr://976bd9d6f6ad7a0d339ea3b373704842cdb3d9e15e7463676c04c1fa6ffb5641
Block Transaction Difficulty Gas Used Reward
Block Uncle Number Difficulty Gas Used Reward
Loading
Loading
Make sure to use the "Vote Down" button for any spammy posts, and the "Vote Up" for interesting conversations.

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.