Contract 0x9db0E84EA53C5a3c000a721Bb4295a6053b3dE78

 
Txn Hash Method
Block
From
To
Value [Txn Fee]
0xd0013d0d153f42f2d61b897c7b76fd570baafd16ba7f1134a27b22fee46218520xd1dff44f428352842022-07-15 19:03:46139 days 15 hrs ago0x9ce013508102578854e1624ec7f179ddf4841598 IN  0x9db0e84ea53c5a3c000a721bb4295a6053b3de780 FTM0.001729683499
0x0086582dde8e7b64d7b24caa300d82c0250dbdf6f85b255049841c20172d36eeGrant Role428352812022-07-15 19:03:42139 days 15 hrs ago0x9ce013508102578854e1624ec7f179ddf4841598 IN  0x9db0e84ea53c5a3c000a721bb4295a6053b3de780 FTM0.008647254669
0x7701e2f7dc77336b453b0baa5e205db809ffa5b2a0c0adb662acceffa1b7d52bGrant Role428352732022-07-15 19:03:33139 days 15 hrs ago0x9ce013508102578854e1624ec7f179ddf4841598 IN  0x9db0e84ea53c5a3c000a721bb4295a6053b3de780 FTM0.008647254669
0x9b4faf59d6dccf5ac9dccc4cb2a47d78ccf19c2f70d46b6a41e110cdf155660eGrant Role428352502022-07-15 19:03:02139 days 15 hrs ago0x9ce013508102578854e1624ec7f179ddf4841598 IN  0x9db0e84ea53c5a3c000a721bb4295a6053b3de780 FTM0.00507235382
0xd4355d6e92b7936a46ca06b000cfc6b1ce388860e3e826b52e357ecf095f1a7c0xd1dff44f428351172022-07-15 18:58:56139 days 15 hrs ago0x9ce013508102578854e1624ec7f179ddf4841598 IN  0x9db0e84ea53c5a3c000a721bb4295a6053b3de780 FTM0.0125935148
0x45baae4d3a6927967d432825fa4905f4bc0c9b90bb385a61ed73bac0577ce54cGrant Role428351142022-07-15 18:58:50139 days 15 hrs ago0x9ce013508102578854e1624ec7f179ddf4841598 IN  0x9db0e84ea53c5a3c000a721bb4295a6053b3de780 FTM0.009832718929
0xd2d5cd7d6246c3953ae130157b835844d70cfa2b3f28ded09de0f03cc0d8f73fGrant Role428351022022-07-15 18:58:21139 days 15 hrs ago0x9ce013508102578854e1624ec7f179ddf4841598 IN  0x9db0e84ea53c5a3c000a721bb4295a6053b3de780 FTM0.019457787013
0x1578ade06b5d9a1a0cc5ed935f27596beb49a78dc57a3bf15ec2dff8b85ed5ceGrant Role428350082022-07-15 18:56:34139 days 15 hrs ago0x9ce013508102578854e1624ec7f179ddf4841598 IN  0x9db0e84ea53c5a3c000a721bb4295a6053b3de780 FTM0.000407298908
0x2d7f3abda05167c00c72e0b36f73a549d5819025ced62532298785df0bfd8ffa0x30dd79dd405246502022-06-14 20:30:31170 days 14 hrs ago0x9ce013508102578854e1624ec7f179ddf4841598 IN  0x9db0e84ea53c5a3c000a721bb4295a6053b3de780 FTM0.081953193881
0x1a3524550e56b1b9c94a16ba243ecbb439e704a07b7e1340cd5c1df16ba639b70xde726b71405161602022-06-14 17:39:11170 days 17 hrs ago0x923b00bb691c58656dd811c5576ada5d878f7803 IN  0x9db0e84ea53c5a3c000a721bb4295a6053b3de780 FTM0.02075347734
0xc0913fbd5e2bd8ad00dedb71d338494028536a5b7871df0b6fc6daace4c584ccDeploy400778222022-06-08 17:10:11176 days 17 hrs ago0x9ce013508102578854e1624ec7f179ddf4841598 IN  0x9db0e84ea53c5a3c000a721bb4295a6053b3de780 FTM0.003494913915
0x53bc9e18ff6024c16e80e211b8e55f01942fac223acc56180c48a112efddd1feDeploy400778092022-06-08 17:09:56176 days 17 hrs ago0x9ce013508102578854e1624ec7f179ddf4841598 IN  0x9db0e84ea53c5a3c000a721bb4295a6053b3de780 FTM0.005229182983
0x8752e2f3a34d3b2bf2c55f88d845dc3f68fb68b23dd26133b9f3f8975453ccad0x30dd79dd400773912022-06-08 17:01:51176 days 17 hrs ago0x9ce013508102578854e1624ec7f179ddf4841598 IN  0x9db0e84ea53c5a3c000a721bb4295a6053b3de780 FTM0.010268368759
0x82622001a39a50df6e0488d91da94116cb1d53580bf05a0784a6504bdf5ed669Deposit400353732022-06-08 3:33:45177 days 7 hrs ago0xc593e4df56dc8267d55876cddac3d36d74978618 IN  0x9db0e84ea53c5a3c000a721bb4295a6053b3de787 FTM0.022056619278
0xde1e26889cad3b3326f9775ee098a479db35f17a75243646473e4949f6fe590a0xde726b71400353222022-06-08 3:32:42177 days 7 hrs ago0xc593e4df56dc8267d55876cddac3d36d74978618 IN  0x9db0e84ea53c5a3c000a721bb4295a6053b3de780 FTM0.007435845121
0x579f7e885969de0472c3055475a03aed4c769378efcec7a1992f058d36805a38Deposit399455302022-06-06 22:23:56178 days 12 hrs ago0x6d15eff7c4d740c4683a23abeb432f0a1b255a12 IN  0x9db0e84ea53c5a3c000a721bb4295a6053b3de7898 FTM0.002072665838
0x5bfd56289b87288cd31d7875cdae56f00fe84716954f382ba37b659314e148e4Withdraw398783742022-06-06 0:45:18179 days 10 hrs ago0x9520b26f843414a59d57775a2046acb2bdd2020f IN  0x9db0e84ea53c5a3c000a721bb4295a6053b3de780 FTM0.001417979535
0x862594eb5d8f22ddc73119b81e8bdecbc3e5af923da1189de97452bd4a707197Withdraw398781752022-06-06 0:40:44179 days 10 hrs ago0x9520b26f843414a59d57775a2046acb2bdd2020f IN  0x9db0e84ea53c5a3c000a721bb4295a6053b3de780 FTM0.029884116028
0x3c4185b7d5b14bbcb50293845b8efb71663d193447d32bd7d0f32dc9312e88e2Withdraw397303772022-06-04 1:28:35181 days 9 hrs ago0x421a8a0c6388faa1550e2636538d8d7605a8cede IN  0x9db0e84ea53c5a3c000a721bb4295a6053b3de780 FTM0.002043979675
0x6b22e78e9c6041a300106089f261318fba9d72e5e22bb056e24c3b288b270afeWithdraw397301282022-06-04 1:24:02181 days 9 hrs ago0x421a8a0c6388faa1550e2636538d8d7605a8cede IN  0x9db0e84ea53c5a3c000a721bb4295a6053b3de780 FTM0.021165070114
0x33fd04dce5b29290b8e14f03487e1adb9c2c88037c381241528dadf0b3429c2e0xde726b71396946592022-06-03 13:53:59181 days 20 hrs ago0x923b00bb691c58656dd811c5576ada5d878f7803 IN  0x9db0e84ea53c5a3c000a721bb4295a6053b3de780 FTM0.001127096585
0x6a7bf1c6046f6dab5b8f8df029930c3d6281ad0336899b3bf2e5cccf106eb262Deposit396425522022-06-02 21:36:53182 days 13 hrs ago0x421a8a0c6388faa1550e2636538d8d7605a8cede IN  0x9db0e84ea53c5a3c000a721bb4295a6053b3de7820,921 FTM0.00255081096
0x0f4a2cf834b155a32494ea238a8a0d79308b7421a2fcae96c8191934da3c00ccWithdraw396258762022-06-02 16:16:06182 days 18 hrs ago0xfbcb109357177f7c134d08cf9667e7b299eeb9a7 IN  0x9db0e84ea53c5a3c000a721bb4295a6053b3de780 FTM0.006913509415
0x27e47734b00ab447baf2c1835c8e34dab777b0c9503005ef8b09022c6f35e75e0xde726b71396257882022-06-02 16:14:27182 days 18 hrs ago0xfbcb109357177f7c134d08cf9667e7b299eeb9a7 IN  0x9db0e84ea53c5a3c000a721bb4295a6053b3de780 FTM0.006571166739
0x9bfff9f1dd459948912b85421a5da074ef3943b018e011cf02dfaf134d9575280xde726b71395917442022-06-02 4:48:51183 days 6 hrs ago0xa909be1ac709bc08bd8cd69604cee197360b3e33 IN  0x9db0e84ea53c5a3c000a721bb4295a6053b3de780 FTM0.002327980423
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Latest 25 internal transaction
Parent Txn Hash Block From To Value
0x2d7f3abda05167c00c72e0b36f73a549d5819025ced62532298785df0bfd8ffa405246502022-06-14 20:30:31170 days 14 hrs ago 0x3ccd8322a62a3addf1bd2e6ae5f875484592d5cc 0x9db0e84ea53c5a3c000a721bb4295a6053b3de786.591693547552596355 FTM
0x2d7f3abda05167c00c72e0b36f73a549d5819025ced62532298785df0bfd8ffa405246502022-06-14 20:30:31170 days 14 hrs ago 0x3ccd8322a62a3addf1bd2e6ae5f875484592d5cc 0x9db0e84ea53c5a3c000a721bb4295a6053b3de780.929597807988186665 FTM
0x2d7f3abda05167c00c72e0b36f73a549d5819025ced62532298785df0bfd8ffa405246502022-06-14 20:30:31170 days 14 hrs ago 0x3ccd8322a62a3addf1bd2e6ae5f875484592d5cc 0x9db0e84ea53c5a3c000a721bb4295a6053b3de7832.461002993564746022 FTM
0x2d7f3abda05167c00c72e0b36f73a549d5819025ced62532298785df0bfd8ffa405246502022-06-14 20:30:31170 days 14 hrs ago 0x3ccd8322a62a3addf1bd2e6ae5f875484592d5cc 0x9db0e84ea53c5a3c000a721bb4295a6053b3de784.577833755502720592 FTM
0x2d7f3abda05167c00c72e0b36f73a549d5819025ced62532298785df0bfd8ffa405246502022-06-14 20:30:31170 days 14 hrs ago 0x3ccd8322a62a3addf1bd2e6ae5f875484592d5cc 0x9db0e84ea53c5a3c000a721bb4295a6053b3de789.513957262136655793 FTM
0x2d7f3abda05167c00c72e0b36f73a549d5819025ced62532298785df0bfd8ffa405246502022-06-14 20:30:31170 days 14 hrs ago 0x3ccd8322a62a3addf1bd2e6ae5f875484592d5cc 0x9db0e84ea53c5a3c000a721bb4295a6053b3de781.341711921583374534 FTM
0x8752e2f3a34d3b2bf2c55f88d845dc3f68fb68b23dd26133b9f3f8975453ccad400773912022-06-08 17:01:51176 days 17 hrs ago 0x3ccd8322a62a3addf1bd2e6ae5f875484592d5cc 0x9db0e84ea53c5a3c000a721bb4295a6053b3de789.272908097854708625 FTM
0x8752e2f3a34d3b2bf2c55f88d845dc3f68fb68b23dd26133b9f3f8975453ccad400773912022-06-08 17:01:51176 days 17 hrs ago 0x3ccd8322a62a3addf1bd2e6ae5f875484592d5cc 0x9db0e84ea53c5a3c000a721bb4295a6053b3de781.307717808671817883 FTM
0x8752e2f3a34d3b2bf2c55f88d845dc3f68fb68b23dd26133b9f3f8975453ccad400773912022-06-08 17:01:51176 days 17 hrs ago 0x3ccd8322a62a3addf1bd2e6ae5f875484592d5cc 0x9db0e84ea53c5a3c000a721bb4295a6053b3de7854.489997148113420443 FTM
0x8752e2f3a34d3b2bf2c55f88d845dc3f68fb68b23dd26133b9f3f8975453ccad400773912022-06-08 17:01:51176 days 17 hrs ago 0x3ccd8322a62a3addf1bd2e6ae5f875484592d5cc 0x9db0e84ea53c5a3c000a721bb4295a6053b3de787.684486777298046472 FTM
0x8752e2f3a34d3b2bf2c55f88d845dc3f68fb68b23dd26133b9f3f8975453ccad400773912022-06-08 17:01:51176 days 17 hrs ago 0x3ccd8322a62a3addf1bd2e6ae5f875484592d5cc 0x9db0e84ea53c5a3c000a721bb4295a6053b3de7818.4794580716314315 FTM
0x8752e2f3a34d3b2bf2c55f88d845dc3f68fb68b23dd26133b9f3f8975453ccad400773912022-06-08 17:01:51176 days 17 hrs ago 0x3ccd8322a62a3addf1bd2e6ae5f875484592d5cc 0x9db0e84ea53c5a3c000a721bb4295a6053b3de782.606077420358278801 FTM
0xb667bfab90e2f977e745102ca378169cc4c37758c2352ea0ed5de5c57b1be87c394756282022-05-31 15:21:30184 days 19 hrs ago 0x3ccd8322a62a3addf1bd2e6ae5f875484592d5cc 0x9db0e84ea53c5a3c000a721bb4295a6053b3de784.184362462609618081 FTM
0xb667bfab90e2f977e745102ca378169cc4c37758c2352ea0ed5de5c57b1be87c394756282022-05-31 15:21:30184 days 19 hrs ago 0x3ccd8322a62a3addf1bd2e6ae5f875484592d5cc 0x9db0e84ea53c5a3c000a721bb4295a6053b3de780.590102398573151267 FTM
0xb667bfab90e2f977e745102ca378169cc4c37758c2352ea0ed5de5c57b1be87c394756282022-05-31 15:21:30184 days 19 hrs ago 0x3ccd8322a62a3addf1bd2e6ae5f875484592d5cc 0x9db0e84ea53c5a3c000a721bb4295a6053b3de7837.936080912435732387 FTM
0xb667bfab90e2f977e745102ca378169cc4c37758c2352ea0ed5de5c57b1be87c394756282022-05-31 15:21:30184 days 19 hrs ago 0x3ccd8322a62a3addf1bd2e6ae5f875484592d5cc 0x9db0e84ea53c5a3c000a721bb4295a6053b3de785.349960128676834054 FTM
0xb667bfab90e2f977e745102ca378169cc4c37758c2352ea0ed5de5c57b1be87c394756282022-05-31 15:21:30184 days 19 hrs ago 0x3ccd8322a62a3addf1bd2e6ae5f875484592d5cc 0x9db0e84ea53c5a3c000a721bb4295a6053b3de7819.659788464577892797 FTM
0xb667bfab90e2f977e745102ca378169cc4c37758c2352ea0ed5de5c57b1be87c394756282022-05-31 15:21:30184 days 19 hrs ago 0x3ccd8322a62a3addf1bd2e6ae5f875484592d5cc 0x9db0e84ea53c5a3c000a721bb4295a6053b3de782.772534270645600266 FTM
0xd4a905a2660fd84db89dd80fcab3ba233d5638eb672bcfa3d87df8034cf70374390369012022-05-25 15:58:57190 days 18 hrs ago 0x3ccd8322a62a3addf1bd2e6ae5f875484592d5cc 0x9db0e84ea53c5a3c000a721bb4295a6053b3de786.824637447941775334 FTM
0xd4a905a2660fd84db89dd80fcab3ba233d5638eb672bcfa3d87df8034cf70374390369012022-05-25 15:58:57190 days 18 hrs ago 0x3ccd8322a62a3addf1bd2e6ae5f875484592d5cc 0x9db0e84ea53c5a3c000a721bb4295a6053b3de780.9624488708635837 FTM
0xd4a905a2660fd84db89dd80fcab3ba233d5638eb672bcfa3d87df8034cf70374390369012022-05-25 15:58:57190 days 18 hrs ago 0x3ccd8322a62a3addf1bd2e6ae5f875484592d5cc 0x9db0e84ea53c5a3c000a721bb4295a6053b3de7861.913792730347768068 FTM
0xd4a905a2660fd84db89dd80fcab3ba233d5638eb672bcfa3d87df8034cf70374390369012022-05-25 15:58:57190 days 18 hrs ago 0x3ccd8322a62a3addf1bd2e6ae5f875484592d5cc 0x9db0e84ea53c5a3c000a721bb4295a6053b3de788.731432308125967291 FTM
0xd4a905a2660fd84db89dd80fcab3ba233d5638eb672bcfa3d87df8034cf70374390369012022-05-25 15:58:57190 days 18 hrs ago 0x3ccd8322a62a3addf1bd2e6ae5f875484592d5cc 0x9db0e84ea53c5a3c000a721bb4295a6053b3de7831.83494109839941456 FTM
0xd4a905a2660fd84db89dd80fcab3ba233d5638eb672bcfa3d87df8034cf70374390369012022-05-25 15:58:57190 days 18 hrs ago 0x3ccd8322a62a3addf1bd2e6ae5f875484592d5cc 0x9db0e84ea53c5a3c000a721bb4295a6053b3de784.489542975415302053 FTM
0xc44c3327aaacf48d389eba7e08f653387edf080fb139ccfc90f61973c1143472382640262022-05-15 2:47:34201 days 8 hrs ago 0x3ccd8322a62a3addf1bd2e6ae5f875484592d5cc 0x9db0e84ea53c5a3c000a721bb4295a6053b3de785.283652277692803492 FTM
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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 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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