Contract 0xAf41a65F786339e7911F4acDAD6BD49426F2Dc6b 8

Bridge 
Txn Hash Method
Block
From
To
Value [Txn Fee]
0x3b2e77c4eb9fdbe53c6c1e7796098b1048eabb65588c219721dd4c01b074aa27Mint And Swap414159342022-06-26 23:07:3024 mins ago0x230a1ac45690b9ae1176389434610b9526d2f21b IN  Synapse: Bridge0 FTM0.001411864358
0xf244d7f5874613d74487fc261c86f6d53917ee6e139556140c04a51c7ba90a60Mint And Swap414155552022-06-26 23:00:2431 mins ago0x230a1ac45690b9ae1176389434610b9526d2f21b IN  Synapse: Bridge0 FTM0.004490236843
0xf57974278f405c7affc092b11938ecac763c263ee394d9ba71d04a8b8607c2c8Mint And Swap414152022022-06-26 22:54:3537 mins ago0x230a1ac45690b9ae1176389434610b9526d2f21b IN  Synapse: Bridge0 FTM0.001560524183
0x8c5082099780fc26585a40b22402a2a073185c0f699c7a5241e8a08e53291310Mint And Swap414125942022-06-26 22:00:551 hr 31 mins ago0x230a1ac45690b9ae1176389434610b9526d2f21b IN  Synapse: Bridge0 FTM0.000770312044
0x9d9805827af91782de954725389e4456eb16a2476f2b9572ade82e0af22b53feMint And Swap414120132022-06-26 21:50:261 hr 41 mins ago0x230a1ac45690b9ae1176389434610b9526d2f21b IN  Synapse: Bridge0 FTM0.00999983128
0x8c3cabb2768032cc42e161ec69bcc4bf93ded55cb532673049447e21d802b855Mint And Swap414119482022-06-26 21:49:061 hr 43 mins ago0x230a1ac45690b9ae1176389434610b9526d2f21b IN  Synapse: Bridge0 FTM0.000749481248
0xda765399e0068d5adb08363b917ad40584d498c207918a21b4dbb6b4470c6335Mint And Swap414104742022-06-26 21:24:012 hrs 8 mins ago0x230a1ac45690b9ae1176389434610b9526d2f21b IN  Synapse: Bridge0 FTM0.000874386232
0xde5e86f2e20c4bc3b8d620785c736ce42c58f3b40b162fa837b292096c58811aMint And Swap414085202022-06-26 20:50:402 hrs 41 mins ago0x230a1ac45690b9ae1176389434610b9526d2f21b IN  Synapse: Bridge0 FTM0.004331395883
0x85a0692f7852a566e24e8184c74ec7d6157ff9af614be96e827497626985537dMint And Swap414084802022-06-26 20:49:502 hrs 42 mins ago0x230a1ac45690b9ae1176389434610b9526d2f21b IN  Synapse: Bridge0 FTM0.001004827889
0xe428d4204f31d972a9baddbea73cd34146da852eee43bbb1f7614286ede9d6a4Mint And Swap414069192022-06-26 20:21:203 hrs 10 mins ago0x230a1ac45690b9ae1176389434610b9526d2f21b IN  Synapse: Bridge0 FTM0.0010248928
0x2f3781e90abd2623c3dba91cc35a853ee1c692ac4099569a8b220749d829680eMint And Swap414057002022-06-26 19:59:103 hrs 32 mins ago0x230a1ac45690b9ae1176389434610b9526d2f21b IN  Synapse: Bridge0 FTM0.001192848608
0x05afe80853cae1e750018d2e0eb057c38e2a3634bba9188002be4a44a3861a7fMint And Swap414036662022-06-26 19:23:414 hrs 8 mins ago0x230a1ac45690b9ae1176389434610b9526d2f21b IN  Synapse: Bridge0 FTM0.032166629252
0xf6a4012f55e796ff9857f2511697fe297ae2428e752a9d880314d1e8254120e1Mint And Swap414014572022-06-26 18:45:154 hrs 46 mins ago0x230a1ac45690b9ae1176389434610b9526d2f21b IN  Synapse: Bridge0 FTM0.001688106148
0xe12754594f20434e88dc6f6e92efadc62f73593932dbf3363c9b994547b47873Mint And Swap414005282022-06-26 18:27:275 hrs 4 mins ago0x230a1ac45690b9ae1176389434610b9526d2f21b IN  Synapse: Bridge0 FTM0.001490892926
0x97d643d7b96c50b35a2d424252047bec4c86b86fee9349757a626732f6639465Mint And Swap413993582022-06-26 18:03:345 hrs 28 mins ago0x230a1ac45690b9ae1176389434610b9526d2f21b IN  Synapse: Bridge0 FTM0.001042060157
0xc17315eb98ca015335dc0003899f98e612f4bdea0c42b9443b86508065babc08Mint And Swap413985262022-06-26 17:48:515 hrs 43 mins ago0x230a1ac45690b9ae1176389434610b9526d2f21b IN  Synapse: Bridge0 FTM0.001273427308
0x2b372ddd4c7231bf1ebea84be5749843b13e27dccd45ad40c2d69bac50e39048Mint And Swap413955282022-06-26 16:51:556 hrs 40 mins ago0x230a1ac45690b9ae1176389434610b9526d2f21b IN  Synapse: Bridge0 FTM0.000882925772
0x3a5dc04af968868b9076283625b5a67c59adf46cdf2b388ee41c7777736900c7Mint And Swap413935302022-06-26 16:16:347 hrs 15 mins ago0x230a1ac45690b9ae1176389434610b9526d2f21b IN  Synapse: Bridge0 FTM0.001073397613
0x4c1c5d66c2a70f11c622455071a7585820581e53e86d6f050a96f2333acbd092Mint413901082022-06-26 15:16:508 hrs 15 mins ago0x230a1ac45690b9ae1176389434610b9526d2f21b IN  Synapse: Bridge0 FTM0.001047136643
0x044c2b85e112715a6ed56b37c2ac4a85f9343daa76617ebdf4f1d060d01cce98Mint And Swap413887782022-06-26 14:51:208 hrs 40 mins ago0x230a1ac45690b9ae1176389434610b9526d2f21b IN  Synapse: Bridge0 FTM0.001705497874
0xca981b0801d828474d6a727cde3298cd2d060be17c433c2df4615e3630c19830Mint413884822022-06-26 14:46:298 hrs 45 mins ago0x230a1ac45690b9ae1176389434610b9526d2f21b IN  Synapse: Bridge0 FTM0.013607332076
0x7dccff831332bc34138448c63cbb3843e489e313dddf4e186732f83d74fa9ab6Mint And Swap413876262022-06-26 14:28:199 hrs 3 mins ago0x230a1ac45690b9ae1176389434610b9526d2f21b IN  Synapse: Bridge0 FTM0.001267895134
0x97f01dfb20274cfa0bbf7e551c2319117da610740b698e897631d905457c91a5Mint And Swap413876122022-06-26 14:28:069 hrs 4 mins ago0x230a1ac45690b9ae1176389434610b9526d2f21b IN  Synapse: Bridge0 FTM0.001214655559
0xb6ff864080209f4278b73192e54373a6b70ab5b116c9e3b9d2f6700f36c409dfMint And Swap413870942022-06-26 14:18:419 hrs 13 mins ago0x230a1ac45690b9ae1176389434610b9526d2f21b IN  Synapse: Bridge0 FTM0.00125220011
0xa2a1d3c9f7b9f53262dc185f3b854ff7184a67fb96e5b9babea86580aa8728e7Mint And Swap413841472022-06-26 13:24:1910 hrs 7 mins ago0x230a1ac45690b9ae1176389434610b9526d2f21b IN  Synapse: Bridge0 FTM0.001407448434
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Latest 18 internal transactions
Parent Txn Hash Block From To Value
0x7b934a42ee6bf8dfe32dfd4ae70c4f81bbeefa45324dee147de0fd693f395fab370873272022-04-27 17:38:2160 days 5 hrs ago 0x87eb227fe974e9e1d3bc4da562e0bd3c348c2b34 Synapse: Bridge10,000 FTM
0xf068b214f8f487e0778c1c97dc87cbe38a60482494d11cec217508e8326c80ae347596052022-03-30 3:07:3288 days 20 hrs ago 0x87eb227fe974e9e1d3bc4da562e0bd3c348c2b34 Synapse: Bridge2,000 FTM
0xb483375634e7b58ea81d4208a6ad5fc062b2243a42c367f3e991ff6045579389347586142022-03-30 2:51:3888 days 20 hrs ago 0x79dcf9b238516b1cf1ded4f84d35c6f1dcdd76c7 Synapse: Bridge35 FTM
0x247c8dcfba1ca1320729dff4aad7b433f09d313b117dfb981123a94f92743643339390512022-03-20 15:20:2198 days 8 hrs ago 0xb3dad3c24a861b84fdf380b212662620627d4e15 Synapse: Bridge900 FTM
0x25d69e6045641aed9836bbd8249cfee84fbe7692f715a1ba4bda6ac17702a663338430082022-03-19 13:17:2399 days 10 hrs ago 0xb104bcbfe8b143804d8cfe92e9f100a3270d1e55 Synapse: Bridge100 FTM
0x32614a3ae45a8e0b98b1ca91b3af532e4b816dd729375cb94c0fec77d8395015337310672022-03-18 6:52:52100 days 16 hrs ago 0x42980e3e602178354e065723d9652bef79ae3673 Synapse: Bridge100 FTM
0x42466419fe02e643186a91a57a4ff986eef699ee0fa5fa46caec71b74d83d24f303853402022-02-08 19:28:48138 days 4 hrs ago 0x87eb227fe974e9e1d3bc4da562e0bd3c348c2b34 Synapse: Bridge5,000 FTM
0x89bf0aa538f6591fbe80c3c145bf408153054cab19bfcebc750b9e0bec43bae0303846302022-02-08 19:18:25138 days 4 hrs ago 0x42980e3e602178354e065723d9652bef79ae3673 Synapse: Bridge1 FTM
0xffae10fc015feed8ece751c99f3dfff3834813024937486a0218bca5e2c08a18301827812022-02-06 15:28:37140 days 8 hrs ago 0x87eb227fe974e9e1d3bc4da562e0bd3c348c2b34 Synapse: Bridge350 FTM
0xcc6ab6e4337f8c152cff38d4978f64d616494190e8b95ca4849d94be6db6664c286582552022-01-21 17:06:45156 days 6 hrs ago 0x0af91fa049a7e1894f480bfe5bba20142c6c29a9 Synapse: Bridge3,000 FTM
0x0caa137bfbe77fdc3a2acfd3e4ffc6dc37e804e57152eaf690e96323079507cd250812692021-12-16 1:01:46192 days 22 hrs ago 0x0af91fa049a7e1894f480bfe5bba20142c6c29a9 Synapse: Bridge5,000 FTM
0x8296bf15060a433a1fd35def839d4e6d09f494b251c617ff6866357f94da4f02186677472021-10-09 11:14:47260 days 12 hrs ago 0x3168082c31dc4b03ac752fb43d1c3bf8ae6ee9ae Synapse: Bridge4,500 FTM
0x201a28bba344af6569a6ac1d395764b4293af9ad993be0950cd4546e5faadc73186595952021-10-09 8:43:03260 days 14 hrs ago 0x76abc5d29977417ce881409fa0bbb5ae3ee83b72 Synapse: Bridge50 FTM
0x8a4150a2d838d920611350fc471cd550a7c726bfcc9e2cd8d55284c9f60d7bce186584272021-10-09 8:21:02260 days 15 hrs ago 0x76abc5d29977417ce881409fa0bbb5ae3ee83b72 Synapse: Bridge200 FTM
0x3b432024f3600d8fd0a5d753fd7a7f21d4e02ea93c2077d27466025294e89bfb186456242021-10-09 4:03:18260 days 19 hrs ago 0x0af91fa049a7e1894f480bfe5bba20142c6c29a9 Synapse: Bridge10 FTM
0x38ea17c34b69fd807b5b2bdc3f0f4ba1d1dedef3500116ea4163de0d720cbc19186424682021-10-09 2:56:48260 days 20 hrs ago 0x0af91fa049a7e1894f480bfe5bba20142c6c29a9 Synapse: Bridge20 FTM
0xa00ae2a8a0e1b09208d6435367425d579ef494bb15465b4afac69e92074f912a185843132021-10-08 9:58:29261 days 13 hrs ago 0x0af91fa049a7e1894f480bfe5bba20142c6c29a9 Synapse: Bridge40 FTM
0xeb5b4a2ec3aef537bb6a623dcbf298ebcfa47311eecc0806ff22ddc02e3b8241185035022021-10-07 8:08:38262 days 15 hrs ago 0x0af91fa049a7e1894f480bfe5bba20142c6c29a9  Contract Creation0 FTM
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Similar Match Source Code
Note: This contract matches the deployed ByteCode of the Source Code for Contract 0x30342EBb1fa044A9BBFd4256973B5f551e654103

Contract Name:
TransparentUpgradeableProxy

Compiler Version
v0.7.6+commit.7338295f

Optimization Enabled:
Yes with 999999 runs

Other Settings:
default evmVersion, MIT license

Contract Source Code (Solidity Multiple files format)

File 3 of 4: TransparentUpgradeableProxy.sol
// SPDX-License-Identifier: MIT

pragma solidity ^0.7.0;

import "./UpgradeableProxy.sol";

/**
 * @dev This contract implements a proxy that is upgradeable by an admin.
 * 
 * To avoid https://medium.com/nomic-labs-blog/malicious-backdoors-in-ethereum-proxies-62629adf3357[proxy selector
 * clashing], which can potentially be used in an attack, this contract uses the
 * https://blog.openzeppelin.com/the-transparent-proxy-pattern/[transparent proxy pattern]. This pattern implies two
 * things that go hand in hand:
 * 
 * 1. If any account other than the admin calls the proxy, the call will be forwarded to the implementation, even if
 * that call matches one of the admin functions exposed by the proxy itself.
 * 2. If the admin calls the proxy, it can access the admin functions, but its calls will never be forwarded to the
 * implementation. If the admin tries to call a function on the implementation it will fail with an error that says
 * "admin cannot fallback to proxy target".
 * 
 * These properties mean that the admin account can only be used for admin actions like upgrading the proxy or changing
 * the admin, so it's best if it's a dedicated account that is not used for anything else. This will avoid headaches due
 * to sudden errors when trying to call a function from the proxy implementation.
 * 
 * Our recommendation is for the dedicated account to be an instance of the {ProxyAdmin} contract. If set up this way,
 * you should think of the `ProxyAdmin` instance as the real administrative inerface of your proxy.
 */
contract TransparentUpgradeableProxy is UpgradeableProxy {
    /**
     * @dev Initializes an upgradeable proxy managed by `_admin`, backed by the implementation at `_logic`, and
     * optionally initialized with `_data` as explained in {UpgradeableProxy-constructor}.
     */
    constructor(address initialLogic, address initialAdmin, bytes memory _data) payable UpgradeableProxy(initialLogic, _data) {
        assert(_ADMIN_SLOT == bytes32(uint256(keccak256("eip1967.proxy.admin")) - 1));
        _setAdmin(initialAdmin);
    }

    /**
     * @dev Emitted when the admin account has changed.
     */
    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 private constant _ADMIN_SLOT = 0xb53127684a568b3173ae13b9f8a6016e243e63b6e8ee1178d6a717850b5d6103;

    /**
     * @dev Modifier used internally that will delegate the call to the implementation unless the sender is the admin.
     */
    modifier ifAdmin() {
        if (msg.sender == _admin()) {
            _;
        } else {
            _fallback();
        }
    }

    /**
     * @dev Returns the current admin.
     * 
     * NOTE: Only the admin can call this function. See {ProxyAdmin-getProxyAdmin}.
     * 
     * TIP: To get this value clients can read directly from the storage slot shown below (specified by EIP1967) using the
     * https://eth.wiki/json-rpc/API#eth_getstorageat[`eth_getStorageAt`] RPC call.
     * `0xb53127684a568b3173ae13b9f8a6016e243e63b6e8ee1178d6a717850b5d6103`
     */
    function admin() external ifAdmin returns (address) {
        return _admin();
    }

    /**
     * @dev Returns the current implementation.
     * 
     * NOTE: Only the admin can call this function. See {ProxyAdmin-getProxyImplementation}.
     * 
     * TIP: To get this value clients can read directly from the storage slot shown below (specified by EIP1967) using the
     * https://eth.wiki/json-rpc/API#eth_getstorageat[`eth_getStorageAt`] RPC call.
     * `0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc`
     */
    function implementation() external ifAdmin returns (address) {
        return _implementation();
    }

    /**
     * @dev Changes the admin of the proxy.
     * 
     * Emits an {AdminChanged} event.
     * 
     * NOTE: Only the admin can call this function. See {ProxyAdmin-changeProxyAdmin}.
     */
    function changeAdmin(address newAdmin) external ifAdmin {
        require(newAdmin != address(0), "TransparentUpgradeableProxy: new admin is the zero address");
        emit AdminChanged(_admin(), newAdmin);
        _setAdmin(newAdmin);
    }

    /**
     * @dev Upgrade the implementation of the proxy.
     * 
     * NOTE: Only the admin can call this function. See {ProxyAdmin-upgrade}.
     */
    function upgradeTo(address newImplementation) external ifAdmin {
        _upgradeTo(newImplementation);
    }

    /**
     * @dev Upgrade the implementation of the proxy, and then call a function from the new implementation as specified
     * by `data`, which should be an encoded function call. This is useful to initialize new storage variables in the
     * proxied contract.
     * 
     * NOTE: Only the admin can call this function. See {ProxyAdmin-upgradeAndCall}.
     */
    function upgradeToAndCall(address newImplementation, bytes calldata data) external payable ifAdmin {
        _upgradeTo(newImplementation);
        // solhint-disable-next-line avoid-low-level-calls
        (bool success,) = newImplementation.delegatecall(data);
        require(success);
    }

    /**
     * @dev Returns the current admin.
     */
    function _admin() internal view returns (address adm) {
        bytes32 slot = _ADMIN_SLOT;
        // solhint-disable-next-line no-inline-assembly
        assembly {
            adm := sload(slot)
        }
    }

    /**
     * @dev Stores a new address in the EIP1967 admin slot.
     */
    function _setAdmin(address newAdmin) private {
        bytes32 slot = _ADMIN_SLOT;

        // solhint-disable-next-line no-inline-assembly
        assembly {
            sstore(slot, newAdmin)
        }
    }

    /**
     * @dev Makes sure the admin cannot access the fallback function. See {Proxy-_beforeFallback}.
     */
    function _beforeFallback() internal override virtual {
        require(msg.sender != _admin(), "TransparentUpgradeableProxy: admin cannot fallback to proxy target");
        super._beforeFallback();
    }
}

File 1 of 4: Address.sol
// SPDX-License-Identifier: MIT

pragma solidity ^0.7.0;

/**
 * @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) {
        // According to EIP-1052, 0x0 is the value returned for not-yet created accounts
        // and 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470 is returned
        // for accounts without code, i.e. `keccak256('')`
        bytes32 codehash;
        bytes32 accountHash = 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470;
        // solhint-disable-next-line no-inline-assembly
        assembly { codehash := extcodehash(account) }
        return (codehash != accountHash && codehash != 0x0);
    }

    /**
     * @dev Replacement for Solidity's `transfer`: sends `amount` wei to
     * `recipient`, forwarding all available gas and reverting on errors.
     *
     * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost
     * of certain opcodes, possibly making contracts go over the 2300 gas limit
     * imposed by `transfer`, making them unable to receive funds via
     * `transfer`. {sendValue} removes this limitation.
     *
     * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more].
     *
     * IMPORTANT: because control is transferred to `recipient`, care must be
     * taken to not create reentrancy vulnerabilities. Consider using
     * {ReentrancyGuard} or the
     * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].
     */
    function sendValue(address payable recipient, uint256 amount) internal {
        require(address(this).balance >= amount, "Address: insufficient balance");

        // solhint-disable-next-line avoid-low-level-calls, avoid-call-value
        (bool success, ) = recipient.call{ value: amount }("");
        require(success, "Address: unable to send value, recipient may have reverted");
    }

    /**
     * @dev Performs a Solidity function call using a low level `call`. A
     * plain`call` is an unsafe replacement for a function call: use this
     * function instead.
     *
     * If `target` reverts with a revert reason, it is bubbled up by this
     * function (like regular Solidity function calls).
     *
     * Returns the raw returned data. To convert to the expected return value,
     * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].
     *
     * Requirements:
     *
     * - `target` must be a contract.
     * - calling `target` with `data` must not revert.
     *
     * _Available since v3.1._
     */
    function functionCall(address target, bytes memory data) internal returns (bytes memory) {
      return functionCall(target, data, "Address: low-level call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with
     * `errorMessage` as a fallback revert reason when `target` reverts.
     *
     * _Available since v3.1._
     */
    function functionCall(address target, bytes memory data, string memory errorMessage) internal returns (bytes memory) {
        return _functionCallWithValue(target, data, 0, errorMessage);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but also transferring `value` wei to `target`.
     *
     * Requirements:
     *
     * - the calling contract must have an ETH balance of at least `value`.
     * - the called Solidity function must be `payable`.
     *
     * _Available since v3.1._
     */
    function functionCallWithValue(address target, bytes memory data, uint256 value) internal returns (bytes memory) {
        return functionCallWithValue(target, data, value, "Address: low-level call with value failed");
    }

    /**
     * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but
     * with `errorMessage` as a fallback revert reason when `target` reverts.
     *
     * _Available since v3.1._
     */
    function functionCallWithValue(address target, bytes memory data, uint256 value, string memory errorMessage) internal returns (bytes memory) {
        require(address(this).balance >= value, "Address: insufficient balance for call");
        return _functionCallWithValue(target, data, value, errorMessage);
    }

    function _functionCallWithValue(address target, bytes memory data, uint256 weiValue, string memory errorMessage) private returns (bytes memory) {
        require(isContract(target), "Address: call to non-contract");

        // solhint-disable-next-line avoid-low-level-calls
        (bool success, bytes memory returndata) = target.call{ value: weiValue }(data);
        if (success) {
            return returndata;
        } else {
            // Look for revert reason and bubble it up if present
            if (returndata.length > 0) {
                // The easiest way to bubble the revert reason is using memory via assembly

                // solhint-disable-next-line no-inline-assembly
                assembly {
                    let returndata_size := mload(returndata)
                    revert(add(32, returndata), returndata_size)
                }
            } else {
                revert(errorMessage);
            }
        }
    }
}

File 2 of 4: Proxy.sol
// SPDX-License-Identifier: MIT

pragma solidity ^0.7.0;

/**
 * @dev This abstract contract provides a fallback function that delegates all calls to another contract using the EVM
 * instruction `delegatecall`. We refer to the second contract as the _implementation_ behind the proxy, and it has to
 * be specified by overriding the virtual {_implementation} function.
 * 
 * Additionally, delegation to the implementation can be triggered manually through the {_fallback} function, or to a
 * different contract through the {_delegate} function.
 * 
 * The success and return data of the delegated call will be returned back to the caller of the proxy.
 */
abstract contract Proxy {
    /**
     * @dev Delegates the current call to `implementation`.
     * 
     * This function does not return to its internall call site, it will return directly to the external caller.
     */
    function _delegate(address implementation) internal {
        // solhint-disable-next-line no-inline-assembly
        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 This is a virtual function that should be overriden so it returns the address to which the fallback function
     * and {_fallback} should delegate.
     */
    function _implementation() internal virtual view returns (address);

    /**
     * @dev Delegates the current call to the address returned by `_implementation()`.
     * 
     * This function does not return to its internall call site, it will return directly to the external caller.
     */
    function _fallback() internal {
        _beforeFallback();
        _delegate(_implementation());
    }

    /**
     * @dev Fallback function that delegates calls to the address returned by `_implementation()`. Will run if no other
     * function in the contract matches the call data.
     */
    fallback () payable external {
        _fallback();
    }

    /**
     * @dev Fallback function that delegates calls to the address returned by `_implementation()`. Will run if call data
     * is empty.
     */
    receive () payable external {
        _fallback();
    }

    /**
     * @dev Hook that is called before falling back to the implementation. Can happen as part of a manual `_fallback`
     * call, or as part of the Solidity `fallback` or `receive` functions.
     * 
     * If overriden should call `super._beforeFallback()`.
     */
    function _beforeFallback() internal virtual {
    }
}

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

pragma solidity ^0.7.0;

import "./Proxy.sol";
import "./Address.sol";

/**
 * @dev This contract implements an upgradeable proxy. It is upgradeable because calls are delegated to an
 * implementation address that can be changed. This address is stored in storage in the location specified by
 * https://eips.ethereum.org/EIPS/eip-1967[EIP1967], so that it doesn't conflict with the storage layout of the
 * implementation behind the proxy.
 * 
 * Upgradeability is only provided internally through {_upgradeTo}. For an externally upgradeable proxy see
 * {TransparentUpgradeableProxy}.
 */
contract UpgradeableProxy is Proxy {
    /**
     * @dev Initializes the upgradeable proxy with an initial implementation specified by `_logic`.
     * 
     * If `_data` is nonempty, it's used as data in a delegate call to `_logic`. This will typically be an encoded
     * function call, and allows initializating the storage of the proxy like a Solidity constructor.
     */
    constructor(address _logic, bytes memory _data) payable {
        assert(_IMPLEMENTATION_SLOT == bytes32(uint256(keccak256("eip1967.proxy.implementation")) - 1));
        _setImplementation(_logic);
        if(_data.length > 0) {
            // solhint-disable-next-line avoid-low-level-calls
            (bool success,) = _logic.delegatecall(_data);
            require(success);
        }
    }

    /**
     * @dev Emitted when the implementation is upgraded.
     */
    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 private constant _IMPLEMENTATION_SLOT = 0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc;

    /**
     * @dev Returns the current implementation address.
     */
    function _implementation() internal override view returns (address impl) {
        bytes32 slot = _IMPLEMENTATION_SLOT;
        // solhint-disable-next-line no-inline-assembly
        assembly {
            impl := sload(slot)
        }
    }

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

    /**
     * @dev Stores a new address in the EIP1967 implementation slot.
     */
    function _setImplementation(address newImplementation) private {
        require(Address.isContract(newImplementation), "UpgradeableProxy: new implementation is not a contract");

        bytes32 slot = _IMPLEMENTATION_SLOT;

        // solhint-disable-next-line no-inline-assembly
        assembly {
            sstore(slot, newImplementation)
        }
    }
}

Contract Security Audit

Contract ABI

[{"inputs":[{"internalType":"address","name":"initialLogic","type":"address"},{"internalType":"address","name":"initialAdmin","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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Deployed ByteCode Sourcemap

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Swarm Source

ipfs://b141ef72de179b8b56cef31601d40ff2875391088197e73cac39eba1ddcd0fdd
Block Transaction Gas Used Reward
Age Block Fee Address BC Fee Address Voting Power Jailed Incoming
Validator ID :
0 FTM

Amount Staked
0

Amount Delegated
0

Staking Total
0

Staking Start Epoch
0

Staking Start Time
0

Proof of Importance
0

Origination Score
0

Validation Score
0

Active
0

Online
0

Downtime
0 s
Address Amount claimed Rewards Created On Epoch Created On
Block Uncle Number Difficulty Gas Used Reward
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