FTM Price: $1.00 (-2.46%)
Gas: 88 GWei

Contract

0xDA00137c79B30bfE06d04733349d98Cf06320e69
 

Overview

FTM Balance

Fantom LogoFantom LogoFantom Logo0 FTM

FTM Value

$0.00

Sponsored

Transaction Hash
Method
Block
From
To
Value
Transfer Treasur...323278962022-03-02 3:42:56758 days ago1646192576IN
0xDAO: Ox Lens
0 FTM0.037390971,232.2768
Initialize Proxy...321399732022-02-27 23:33:51760 days ago1646004831IN
0xDAO: Ox Lens
0 FTM0.10133741565.9664
Initialize Proxy...321359412022-02-27 22:23:35760 days ago1646000615IN
0xDAO: Ox Lens
0 FTM0.38358789493.36

Latest 1 internal transaction

Parent Txn Hash Block From To Value
319546502022-02-25 19:09:16762 days ago1645816156  Contract Creation0 FTM
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Similar Match Source Code
This contract matches the deployed Bytecode of the Source Code for Contract 0x311a4926...65BefC4E6
The constructor portion of the code might be different and could alter the actual behaviour of the contract

Contract Name:
OxDAOProxy

Compiler Version
v0.8.11+commit.d7f03943

Optimization Enabled:
No with 200 runs

Other Settings:
default evmVersion, MIT license
/**
 *Submitted for verification at ftmscan.com on 2022-02-25
*/

// SPDX-License-Identifier: MIT
pragma solidity 0.8.11;

/**
 * @title 0xDAO governance killable proxy
 * @author 0xDAO
 * @notice EIP-1967 upgradeable proxy with the ability to kill governance and render the contract immutable
 */
contract OxDAOProxy {
    bytes32 constant IMPLEMENTATION_SLOT =
        0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc; // keccak256('eip1967.proxy.implementation')
    bytes32 constant GOVERNANCE_SLOT =
        0xb53127684a568b3173ae13b9f8a6016e243e63b6e8ee1178d6a717850b5d6103; // keccak256('eip1967.proxy.admin')
    bytes32 constant INITIALIZED_SLOT =
        0x834ce84547018237034401a09067277cdcbe7bbf7d7d30f6b382b0a102b7b4a3; // keccak256('eip1967.proxy.initialized')

    /**
     * @notice Initialize governance (this can only be done once)
     * @param _governanceAddress New governance address
     */
    function initialize(address _governanceAddress) public {
        bool initialized;
        assembly {
            initialized := sload(INITIALIZED_SLOT)
            if eq(initialized, 1) {
                revert(0, 0)
            }
            sstore(INITIALIZED_SLOT, 1)
            sstore(GOVERNANCE_SLOT, _governanceAddress)
        }
    }

    /**
     * @notice Detect whether or not governance is killed
     * @return Return true if governance is killed, false if not
     * @dev If governance is killed this contract becomes immutable
     */
    function governanceIsKilled() external view returns (bool) {
        return governanceAddress() == address(0);
    }

    /**
     * @notice Kill governance, making this contract immutable
     * @dev Only governance can kil governance
     */
    function killGovernance() external {
        require(msg.sender == governanceAddress(), "Only governance");
        updateGovernanceAddress(address(0));
    }

    /**
     * @notice Update implementation address
     * @param _implementationAddress Address of the new implementation
     * @dev Only governance can update implementation
     */
    function updateImplementationAddress(address _implementationAddress)
        external
    {
        require(msg.sender == governanceAddress(), "Only governance");
        assembly {
            sstore(IMPLEMENTATION_SLOT, _implementationAddress)
        }
    }

    /**
     * @notice Update governance address
     * @param _governanceAddress New governance address
     * @dev Only governance can update governance
     */
    function updateGovernanceAddress(address _governanceAddress) public {
        require(msg.sender == governanceAddress(), "Only governance");
        assembly {
            sstore(GOVERNANCE_SLOT, _governanceAddress)
        }
    }

    /**
     * @notice Fetch the current implementation address
     * @return _implementationAddress Returns the current implementation address
     */
    function implementationAddress()
        external
        view
        returns (address _implementationAddress)
    {
        assembly {
            _implementationAddress := sload(IMPLEMENTATION_SLOT)
        }
    }

    /**
     * @notice Fetch current governance address
     * @return _governanceAddress Returns current governance address
     */
    function governanceAddress()
        public
        view
        returns (address _governanceAddress)
    {
        assembly {
            _governanceAddress := sload(GOVERNANCE_SLOT)
        }
    }

    /**
     * @notice Delegatecall fallback proxy
     */
    fallback() external {
        assembly {
            let contractLogic := sload(IMPLEMENTATION_SLOT)
            calldatacopy(0x0, 0x0, calldatasize())
            let success := delegatecall(
                gas(),
                contractLogic,
                0x0,
                calldatasize(),
                0,
                0
            )
            let returnDataSize := returndatasize()
            returndatacopy(0, 0, returnDataSize)
            switch success
            case 0 {
                revert(0, returnDataSize)
            }
            default {
                return(0, returnDataSize)
            }
        }
    }
}

Contract Security Audit

Contract ABI

[{"stateMutability":"nonpayable","type":"fallback"},{"inputs":[],"name":"governanceAddress","outputs":[{"internalType":"address","name":"_governanceAddress","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"governanceIsKilled","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"implementationAddress","outputs":[{"internalType":"address","name":"_implementationAddress","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_governanceAddress","type":"address"}],"name":"initialize","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"killGovernance","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_governanceAddress","type":"address"}],"name":"updateGovernanceAddress","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_implementationAddress","type":"address"}],"name":"updateImplementationAddress","outputs":[],"stateMutability":"nonpayable","type":"function"}]

Deployed Bytecode

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Deployed Bytecode Sourcemap

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Swarm Source

ipfs://52fad13411bf962a04da522d48167983e0231ab87b3c7219ab3da0a7582f3766

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