Token Gravitationally Bound AURA

DeFi  
 

Overview [ERC-20]

Price
$1.99 @ 0.001494 Eth
Fully Diluted Market Cap
Max Total Supply:
872,186.69972693976020873 graviAURA

Holders:
168 ( 0.595%)

Transfers:
-

 
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OVERVIEW

BadgerDAO is building the infrastructure to bring Bitcoin to DeFi. We make it easy to bridge your Bitcoin into other blockchains and start earning yield right away.

Market

Volume (24H):$14,022.83
Market Capitalization:$0.00
Circulating Supply:0.00 graviAURA
Market Data Source: Coinmarketcap

# Exchange Pair Price  24H Volume % Volume
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Contract Source Code Verified (Exact Match)

Contract Name:
AdminUpgradeabilityProxy

Compiler Version
v0.6.12+commit.27d51765

Optimization Enabled:
Yes with 200 runs

Other Settings:
default evmVersion, MIT license
File 1 of 1 : AdminUpgradeabilityProxy.sol
/**
 *Submitted for verification at Etherscan.io on 2020-10-09
 */

// SPDX-License-Identifier: MIT

pragma solidity 0.6.12;

/**
 * @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;
    }
}

/**
 * @title Proxy
 * @dev Implements delegation of calls to other contracts, with proper
 * forwarding of return values and bubbling of failures.
 * It defines a fallback function that delegates all calls to the address
 * returned by the abstract _implementation() internal function.
 */
abstract contract Proxy {
    /**
     * @dev Fallback function.
     * Implemented entirely in `_fallback`.
     */
    fallback() external payable {
        _fallback();
    }

    /**
     * @dev Receive function.
     * Implemented entirely in `_fallback`.
     */
    receive() external payable {
        _fallback();
    }

    /**
     * @return The Address of the implementation.
     */
    function _implementation() internal view virtual returns (address);

    /**
     * @dev Delegates execution to an implementation contract.
     * This is a low level function that doesn't return to its internal call site.
     * It will return to the external caller whatever the implementation returns.
     * @param implementation Address to delegate.
     */
    function _delegate(address implementation) internal {
        assembly {
            // Copy msg.data. We take full control of memory in this inline assembly
            // block because it will not return to Solidity code. We overwrite the
            // Solidity scratch pad at memory position 0.
            calldatacopy(0, 0, calldatasize())

            // Call the implementation.
            // out and outsize are 0 because we don't know the size yet.
            let result := delegatecall(gas(), implementation, 0, calldatasize(), 0, 0)

            // Copy the returned data.
            returndatacopy(0, 0, returndatasize())

            switch result
            // delegatecall returns 0 on error.
            case 0 {
                revert(0, returndatasize())
            }
            default {
                return(0, returndatasize())
            }
        }
    }

    /**
     * @dev Function that is run as the first thing in the fallback function.
     * Can be redefined in derived contracts to add functionality.
     * Redefinitions must call super._willFallback().
     */
    function _willFallback() internal virtual {}

    /**
     * @dev fallback implementation.
     * Extracted to enable manual triggering.
     */
    function _fallback() internal {
        _willFallback();
        _delegate(_implementation());
    }
}

/**
 * @title UpgradeabilityProxy
 * @dev This contract implements a proxy that allows to change the
 * implementation address to which it will delegate.
 * Such a change is called an implementation upgrade.
 */
contract UpgradeabilityProxy is Proxy {
    /**
     * @dev Contract constructor.
     * @param _logic Address of the initial implementation.
     * @param _data Data to send as msg.data to the implementation to initialize the proxied contract.
     * It should include the signature and the parameters of the function to be called, as described in
     * https://solidity.readthedocs.io/en/v0.4.24/abi-spec.html#function-selector-and-argument-encoding.
     * This parameter is optional, if no data is given the initialization call to proxied contract will be skipped.
     */
    constructor(address _logic, bytes memory _data) public payable {
        assert(IMPLEMENTATION_SLOT == bytes32(uint256(keccak256("eip1967.proxy.implementation")) - 1));
        _setImplementation(_logic);
        if (_data.length > 0) {
            (bool success, ) = _logic.delegatecall(_data);
            require(success);
        }
    }

    /**
     * @dev Emitted when the implementation is upgraded.
     * @param implementation Address of the new implementation.
     */
    event Upgraded(address indexed implementation);

    /**
     * @dev Storage slot with the address of the current implementation.
     * This is the keccak-256 hash of "eip1967.proxy.implementation" subtracted by 1, and is
     * validated in the constructor.
     */
    bytes32 internal constant IMPLEMENTATION_SLOT = 0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc;

    /**
     * @dev Returns the current implementation.
     * @return impl Address of the current implementation
     */
    function _implementation() internal view override returns (address impl) {
        bytes32 slot = IMPLEMENTATION_SLOT;
        assembly {
            impl := sload(slot)
        }
    }

    /**
     * @dev Upgrades the proxy to a new implementation.
     * @param newImplementation Address of the new implementation.
     */
    function _upgradeTo(address newImplementation) internal {
        _setImplementation(newImplementation);
        emit Upgraded(newImplementation);
    }

    /**
     * @dev Sets the implementation address of the proxy.
     * @param newImplementation Address of the new implementation.
     */
    function _setImplementation(address newImplementation) internal {
        require(Address.isContract(newImplementation), "Cannot set a proxy implementation to a non-contract address");

        bytes32 slot = IMPLEMENTATION_SLOT;

        assembly {
            sstore(slot, newImplementation)
        }
    }
}

/**
 * @title AdminUpgradeabilityProxy
 * @dev This contract combines an upgradeability proxy with an authorization
 * mechanism for administrative tasks.
 * All external functions in this contract must be guarded by the
 * `ifAdmin` modifier. See ethereum/solidity#3864 for a Solidity
 * feature proposal that would enable this to be done automatically.
 */
contract AdminUpgradeabilityProxy is UpgradeabilityProxy {
    /**
     * Contract constructor.
     * @param _logic address of the initial implementation.
     * @param _admin Address of the proxy administrator.
     * @param _data Data to send as msg.data to the implementation to initialize the proxied contract.
     * It should include the signature and the parameters of the function to be called, as described in
     * https://solidity.readthedocs.io/en/v0.4.24/abi-spec.html#function-selector-and-argument-encoding.
     * This parameter is optional, if no data is given the initialization call to proxied contract will be skipped.
     */
    constructor(
        address _logic,
        address _admin,
        bytes memory _data
    ) public payable UpgradeabilityProxy(_logic, _data) {
        assert(ADMIN_SLOT == bytes32(uint256(keccak256("eip1967.proxy.admin")) - 1));
        _setAdmin(_admin);
    }

    /**
     * @dev Emitted when the administration has been transferred.
     * @param previousAdmin Address of the previous admin.
     * @param newAdmin Address of the new admin.
     */
    event AdminChanged(address previousAdmin, address newAdmin);

    /**
     * @dev Storage slot with the admin of the contract.
     * This is the keccak-256 hash of "eip1967.proxy.admin" subtracted by 1, and is
     * validated in the constructor.
     */

    bytes32 internal constant ADMIN_SLOT = 0xb53127684a568b3173ae13b9f8a6016e243e63b6e8ee1178d6a717850b5d6103;

    /**
     * @dev Modifier to check whether the `msg.sender` is the admin.
     * If it is, it will run the function. Otherwise, it will delegate the call
     * to the implementation.
     */
    modifier ifAdmin() {
        if (msg.sender == _admin()) {
            _;
        } else {
            _fallback();
        }
    }

    /**
     * @return The address of the proxy admin.
     */
    function admin() external ifAdmin returns (address) {
        return _admin();
    }

    /**
     * @return The address of the implementation.
     */
    function implementation() external ifAdmin returns (address) {
        return _implementation();
    }

    /**
     * @dev Changes the admin of the proxy.
     * Only the current admin can call this function.
     * @param newAdmin Address to transfer proxy administration to.
     */
    function changeAdmin(address newAdmin) external ifAdmin {
        require(newAdmin != address(0), "Cannot change the admin of a proxy to the zero address");
        emit AdminChanged(_admin(), newAdmin);
        _setAdmin(newAdmin);
    }

    /**
     * @dev Upgrade the backing implementation of the proxy.
     * Only the admin can call this function.
     * @param newImplementation Address of the new implementation.
     */
    function upgradeTo(address newImplementation) external ifAdmin {
        _upgradeTo(newImplementation);
    }

    /**
     * @dev Upgrade the backing implementation of the proxy and call a function
     * on the new implementation.
     * This is useful to initialize the proxied contract.
     * @param newImplementation Address of the new implementation.
     * @param data Data to send as msg.data in the low level call.
     * It should include the signature and the parameters of the function to be called, as described in
     * https://solidity.readthedocs.io/en/v0.4.24/abi-spec.html#function-selector-and-argument-encoding.
     */
    function upgradeToAndCall(address newImplementation, bytes calldata data) external payable ifAdmin {
        _upgradeTo(newImplementation);
        (bool success, ) = newImplementation.delegatecall(data);
        require(success);
    }

    /**
     * @return adm The admin slot.
     */
    function _admin() internal view returns (address adm) {
        bytes32 slot = ADMIN_SLOT;
        assembly {
            adm := sload(slot)
        }
    }

    /**
     * @dev Sets the address of the proxy admin.
     * @param newAdmin Address of the new proxy admin.
     */
    function _setAdmin(address newAdmin) internal {
        bytes32 slot = ADMIN_SLOT;

        assembly {
            sstore(slot, newAdmin)
        }
    }

    /**
     * @dev Only fall back when the sender is not the admin.
     */
    function _willFallback() internal virtual override {
        require(msg.sender != _admin(), "Cannot call fallback function from the proxy admin");
        super._willFallback();
    }
}

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

Contract Security Audit

Contract ABI

[{"inputs":[{"internalType":"address","name":"_logic","type":"address"},{"internalType":"address","name":"_admin","type":"address"},{"internalType":"bytes","name":"_data","type":"bytes"}],"stateMutability":"payable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"previousAdmin","type":"address"},{"indexed":false,"internalType":"address","name":"newAdmin","type":"address"}],"name":"AdminChanged","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"implementation","type":"address"}],"name":"Upgraded","type":"event"},{"stateMutability":"payable","type":"fallback"},{"inputs":[],"name":"admin","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newAdmin","type":"address"}],"name":"changeAdmin","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"implementation","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newImplementation","type":"address"}],"name":"upgradeTo","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newImplementation","type":"address"},{"internalType":"bytes","name":"data","type":"bytes"}],"name":"upgradeToAndCall","outputs":[],"stateMutability":"payable","type":"function"},{"stateMutability":"payable","type":"receive"}]

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

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

000000000000000000000000c02e10157c71008b6b8f8e6abf8d3eac60ed561e00000000000000000000000020dce41acca85e8222d6861aa6d23b6c941777bf00000000000000000000000000000000000000000000000000000000000000600000000000000000000000000000000000000000000000000000000000000224f7fec181000000000000000000000000c0c293ce456ff0ed870add98a0828dd4d2903dbf0000000000000000000000007c1d678685b9d2f65f1909b9f2e544786807d46c000000000000000000000000711a339c002386f9db409ca55b6a35a604ab6cf60000000000000000000000006615e67b8b6b6375d38a0a3f937cd8c1a1e963860000000000000000000000007c1d678685b9d2f65f1909b9f2e544786807d46c0000000000000000000000007c1d678685b9d2f65f1909b9f2e544786807d46c000000000000000000000000660802fc641b154aba66a62137e71f331b6d787a00000000000000000000000000000000000000000000000000000000000001a000000000000000000000000000000000000000000000000000000000000001e0000000000000000000000000000000000000000000000000000000000000012c000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001a4772617669746174696f6e616c6c7920426f756e6420415552410000000000000000000000000000000000000000000000000000000000000000000000000009677261766941555241000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000

-----Decoded View---------------
Arg [0] : _logic (address): 0xc02e10157c71008B6b8F8E6AbF8d3EaC60ed561e
Arg [1] : _admin (address): 0x20Dce41Acca85E8222D6861Aa6D23B6C941777bF
Arg [2] : _data (bytes): 0xf7fec181000000000000000000000000c0c293ce456ff0ed870add98a0828dd4d2903dbf0000000000000000000000007c1d678685b9d2f65f1909b9f2e544786807d46c000000000000000000000000711a339c002386f9db409ca55b6a35a604ab6cf60000000000000000000000006615e67b8b6b6375d38a0a3f937cd8c1a1e963860000000000000000000000007c1d678685b9d2f65f1909b9f2e544786807d46c0000000000000000000000007c1d678685b9d2f65f1909b9f2e544786807d46c000000000000000000000000660802fc641b154aba66a62137e71f331b6d787a00000000000000000000000000000000000000000000000000000000000001a000000000000000000000000000000000000000000000000000000000000001e0000000000000000000000000000000000000000000000000000000000000012c000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001a4772617669746174696f6e616c6c7920426f756e64204155524100000000000000000000000000000000000000000000000000000000000000000000000000096772617669415552410000000000000000000000000000000000000000000000

-----Encoded View---------------
22 Constructor Arguments found :
Arg [0] : 000000000000000000000000c02e10157c71008b6b8f8e6abf8d3eac60ed561e
Arg [1] : 00000000000000000000000020dce41acca85e8222d6861aa6d23b6c941777bf
Arg [2] : 0000000000000000000000000000000000000000000000000000000000000060
Arg [3] : 0000000000000000000000000000000000000000000000000000000000000224
Arg [4] : f7fec181000000000000000000000000c0c293ce456ff0ed870add98a0828dd4
Arg [5] : d2903dbf0000000000000000000000007c1d678685b9d2f65f1909b9f2e54478
Arg [6] : 6807d46c000000000000000000000000711a339c002386f9db409ca55b6a35a6
Arg [7] : 04ab6cf60000000000000000000000006615e67b8b6b6375d38a0a3f937cd8c1
Arg [8] : a1e963860000000000000000000000007c1d678685b9d2f65f1909b9f2e54478
Arg [9] : 6807d46c0000000000000000000000007c1d678685b9d2f65f1909b9f2e54478
Arg [10] : 6807d46c000000000000000000000000660802fc641b154aba66a62137e71f33
Arg [11] : 1b6d787a00000000000000000000000000000000000000000000000000000000
Arg [12] : 000001a000000000000000000000000000000000000000000000000000000000
Arg [13] : 000001e000000000000000000000000000000000000000000000000000000000
Arg [14] : 0000012c00000000000000000000000000000000000000000000000000000000
Arg [15] : 0000000000000000000000000000000000000000000000000000000000000000
Arg [16] : 0000000000000000000000000000000000000000000000000000000000000000
Arg [17] : 0000000000000000000000000000000000000000000000000000000000000000
Arg [18] : 0000001a4772617669746174696f6e616c6c7920426f756e6420415552410000
Arg [19] : 0000000000000000000000000000000000000000000000000000000000000000
Arg [20] : 0000000967726176694155524100000000000000000000000000000000000000
Arg [21] : 0000000000000000000000000000000000000000000000000000000000000000


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