Contract 0x31a0D1A199631D244761EEba67e8501296d2E383 5

Txn Hash Method
Block
From
To
Value [Txn Fee]
0x672ec42f1a5e72fe298c3a8919abca218811a8f1ade6de10f297a58a1fdc4c6eApprove418511272022-07-02 16:22:245 days 39 mins ago0x7e2d2ed7856c626efa1c58abf1eaefa225acf5a0 IN  0x31a0d1a199631d244761eeba67e8501296d2e3830 FTM0.019651475698
0x11d3cb6d8578c94cf3da03b6465115367c8fd024230fc13de2b56eb81d4bf8b8Approve415618372022-06-28 20:10:438 days 20 hrs ago0x072b64a12ce7b91ed4cb2e7e7b437bbb6714f437 IN  0x31a0d1a199631d244761eeba67e8501296d2e3830 FTM0.000377336359
0x212c869787b0c103910f7ca1b7d2842852fe8a966a13818709cba36423068ce1Approve395933772022-06-02 5:22:5835 days 11 hrs ago0x93556e65f718de995156b2b941bdac260c54925f IN  0x31a0d1a199631d244761eeba67e8501296d2e3830 FTM0.00072130461
0xa01d179fdf9588966bddff7e10439954cd3345f2a8bb841a011e5e42375d8809Approve388932812022-05-23 16:58:4645 days 2 mins ago0xeaeb463d658f26d339f415be7f33ada2d5c6cfae IN  0x31a0d1a199631d244761eeba67e8501296d2e3830 FTM0.004298294351
0x65e9120baf61dd5d54ac72447fdbcf1ee1d01d354277fe2b8e887a5cca77edb5Approve388591222022-05-23 5:47:5145 days 11 hrs ago0x36b0952726b19ef72d3bae4e87f568a465ec14c6 IN  0x31a0d1a199631d244761eeba67e8501296d2e3830 FTM0.003835911572
0x45c890ca75c06e5aab3c0745ba6b92ed7abaad7d99bfe899db95f9a2343ab6e3Approve383661682022-05-16 12:57:1752 days 4 hrs ago0xeaeb463d658f26d339f415be7f33ada2d5c6cfae IN  0x31a0d1a199631d244761eeba67e8501296d2e3830 FTM0.089646103087
0x0ed5d4e438012ee0a1b2331b379487818ca52cfbb44281d2bc0be37c8ddb68bdApprove382209002022-05-14 11:46:3054 days 5 hrs ago0x1fb4820c368efa3282e696ca9aaed9c3cade2340 IN  0x31a0d1a199631d244761eeba67e8501296d2e3830 FTM0.099387402371
0x4a221c35bff0a958cd05254ac38b087020999547d15644408d6c053d1ef33c8eApprove377761942022-05-07 17:41:5660 days 23 hrs ago0x0e34a15fa822c51fff833e49d4912fc4c4de7f0c IN  0x31a0d1a199631d244761eeba67e8501296d2e3830 FTM0.007760512074
0xc525671edba05257f3eba98197ae56eefe86598fbec75f52a13562b695cc0f94Approve376853672022-05-06 12:29:4462 days 4 hrs ago0x257cb45dfb79ae501519404cd253a59878c9ae7d IN  0x31a0d1a199631d244761eeba67e8501296d2e3830 FTM0.017486178561
0x0b5ab6e438330bf64c2b2ff11f8b1c083b92727931c6a35ad66df4190db82838Approve376578262022-05-06 3:58:0962 days 13 hrs ago0x36b0952726b19ef72d3bae4e87f568a465ec14c6 IN  0x31a0d1a199631d244761eeba67e8501296d2e3830 FTM0.007736030501
0x3507123ef0fb70fe607225d17314f579c805c24ccee5ca9d30fb88f4d404ed1bApprove376221642022-05-05 16:48:1563 days 13 mins ago0x02066cbc8edd947686391178d380398ddc5280f3 IN  0x31a0d1a199631d244761eeba67e8501296d2e3830 FTM0.027391413884
0xfc4f0aef37cde368f8d4fbd1ce3f2b2c6d85bc831561e462cc788ee2b68cd0f2Approve376187732022-05-05 15:24:4463 days 1 hr ago0xded7a7d8c43d7e1035d9379d95797f663a4184bb IN  0x31a0d1a199631d244761eeba67e8501296d2e3830 FTM0.025354430742
0x406ecc79d6af0c59c21ee996c6452f38c53cbb880d6e969c9f762eff686eca4dApprove376187162022-05-05 15:23:2163 days 1 hr ago0x4444682b8892bb1d42dea9329c3b620667f603e8 IN  0x31a0d1a199631d244761eeba67e8501296d2e3830 FTM0.019826425765
0x6b4712293fc6fd8aad48f0d9b8c76b7b94b934e366a23e7b636ce888240abd7dApprove376185352022-05-05 15:18:2463 days 1 hr ago0x0b988c81fa9d91e038ac3905e0bff5eca289aa77 IN  0x31a0d1a199631d244761eeba67e8501296d2e3830 FTM0.024411681042
0x7500151a5b0425dfc01865b46f1618db33b10cc62062768cc07709a0542dc013Approve376179322022-05-05 15:00:4563 days 2 hrs ago0x4f608900a5b600f8992fc8383b4ce4625a3f80ed IN  0x31a0d1a199631d244761eeba67e8501296d2e3830 FTM0.021696165594
0xf745221dc7ad696f48a7beb7ffac752876d8dee1cf8b5251849d5abfb1594077Approve376175762022-05-05 14:50:0463 days 2 hrs ago0x3af9fe35d280ada5a5edb1bef3ed872a3231d73c IN  0x31a0d1a199631d244761eeba67e8501296d2e3830 FTM0.018629233376
0x16225325bc3b544e80824313965dc9fd80213b3d2343212c115d9fcbfac0001aTransfer376161952022-05-05 14:20:2463 days 2 hrs ago0xc90457d74d4254ab540a435b63ea0e7748885f30 IN  0x31a0d1a199631d244761eeba67e8501296d2e3830 FTM0.009680716285
0x578e979e597ef459626f679702892b68539766405a188d34ccc72057160d6f3cApprove371019402022-04-27 22:31:0770 days 18 hrs ago0x4937e4299b2dca53853bc5fe347cf25d48dd3cc5 IN  0x31a0d1a199631d244761eeba67e8501296d2e3830 FTM0.0158115
0xf7826f3d491404f8ac6a35766ff43c8f070b17e4eeade81e6021e44fa31a619aTransfer359786782022-04-13 19:25:4884 days 21 hrs ago0x8d9f9c9d244cd9538d69b9863ae0bb0d499e5e67 IN  0x31a0d1a199631d244761eeba67e8501296d2e3830 FTM0.008282583076
0x459042a2fdc49e55c1a45780349aca3d10656d83cbb154b7c5a054000a3127c0Transfer359784672022-04-13 19:22:1884 days 21 hrs ago0x1ecb66388257ac40424be0627ed735b1f6ca244a IN  0x31a0d1a199631d244761eeba67e8501296d2e3830 FTM0.008178013274
0xa071b9f3139f3af83e2fc4d06051a8af5cdbb5ed32ae7b325c1d1424b4102ceeApprove353379092022-04-06 0:16:1692 days 16 hrs ago0xe40d8699eb1bc90e82736d2529ba7a65e76d6ce1 IN  0x31a0d1a199631d244761eeba67e8501296d2e3830 FTM0.07409575
0xc645d5ac96e37e169b9d07f31d0fed6562fd23a0a12d4d8b0b677e143e4f8526Transfer343775072022-03-25 17:06:37103 days 23 hrs ago0xa0519b3e5c156158539d23808035fa711cd7a9cb IN  0x31a0d1a199631d244761eeba67e8501296d2e3830 FTM0.019018548736
0x9d41d344d380758e21ef59173613bb71b0568030a142772b4f29715e571adfd7Transfer341409342022-03-22 22:29:08106 days 18 hrs ago0xa0519b3e5c156158539d23808035fa711cd7a9cb IN  0x31a0d1a199631d244761eeba67e8501296d2e3830 FTM0.026238222424
0x61314ad0883c334f4a80f26c9e90861cdc7ac52f387c19791ff22d19bec5d6a6Transfer333481012022-03-13 21:18:04115 days 19 hrs ago0x27d4a79f9096f1b337de23d089d27c0eca313979 IN  0x31a0d1a199631d244761eeba67e8501296d2e3830 FTM0.01112042711
0x2c895216d54b846d4ab6cc2b1a281f95c72e14334e731eaba3fece28915ee05dTransfer332164902022-03-12 9:13:01117 days 7 hrs ago0xa0519b3e5c156158539d23808035fa711cd7a9cb IN  0x31a0d1a199631d244761eeba67e8501296d2e3830 FTM0.011608882587
[ Download CSV Export 
Latest 1 internal transaction
Parent Txn Hash Block From To Value
0x0cb7dc1419e5a390416b3d2857342c9b7f00cea4933efc552cddab00e0a306c975019892021-05-24 13:39:57409 days 3 hrs ago Ren: Deployer  Contract Creation0 FTM
[ Download CSV Export 
Loading

Similar Match Source Code
Note: This contract matches the deployed ByteCode of the Source Code for Contract 0x7c7DAAF2dB46fEFd067f002a69FD0BE14AeB159f

Contract Name:
RenERC20Proxy

Compiler Version
v0.5.17+commit.d19bba13

Optimization Enabled:
Yes with 200 runs

Other Settings:
default evmVersion

Contract Source Code (Solidity)

/**
 *Submitted for verification at FtmScan.com on 2021-08-28
*/

/**

Deployed by Ren Project, https://renproject.io

Commit hash: 05c0aaf
Repository: https://github.com/renproject/gateway-sol
Issues: https://github.com/renproject/gateway-sol/issues

Licenses
@openzeppelin/contracts: https://github.com/OpenZeppelin/openzeppelin-contracts/blob/master/LICENSE
gateway-sol: https://github.com/renproject/gateway-sol/blob/master/LICENSE

*/

pragma solidity ^0.5.16;


contract Initializable {

  
  bool private initialized;

  
  bool private initializing;

  
  modifier initializer() {
    require(initializing || isConstructor() || !initialized, "Contract instance has already been initialized");

    bool isTopLevelCall = !initializing;
    if (isTopLevelCall) {
      initializing = true;
      initialized = true;
    }

    _;

    if (isTopLevelCall) {
      initializing = false;
    }
  }

  
  function isConstructor() private view returns (bool) {
    
    
    
    
    
    address self = address(this);
    uint256 cs;
    assembly { cs := extcodesize(self) }
    return cs == 0;
  }

  
  uint256[50] private ______gap;
}

contract Context is Initializable {
    
    
    constructor () internal { }
    

    function _msgSender() internal view returns (address payable) {
        return msg.sender;
    }

    function _msgData() internal view returns (bytes memory) {
        this; 
        return msg.data;
    }
}

contract Ownable is Initializable, Context {
    address private _owner;

    event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);

    
    function initialize(address sender) public initializer {
        _owner = sender;
        emit OwnershipTransferred(address(0), _owner);
    }

    
    function owner() public view returns (address) {
        return _owner;
    }

    
    modifier onlyOwner() {
        require(isOwner(), "Ownable: caller is not the owner");
        _;
    }

    
    function isOwner() public view returns (bool) {
        return _msgSender() == _owner;
    }

    
    function renounceOwnership() public onlyOwner {
        emit OwnershipTransferred(_owner, address(0));
        _owner = address(0);
    }

    
    function transferOwnership(address newOwner) public onlyOwner {
        _transferOwnership(newOwner);
    }

    
    function _transferOwnership(address newOwner) internal {
        require(newOwner != address(0), "Ownable: new owner is the zero address");
        emit OwnershipTransferred(_owner, newOwner);
        _owner = newOwner;
    }

    uint256[50] private ______gap;
}

contract Proxy {
  
  function () payable external {
    _fallback();
  }

  
  function _implementation() internal view returns (address);

  
  function _delegate(address implementation) internal {
    assembly {
      
      
      
      calldatacopy(0, 0, calldatasize)

      
      
      let result := delegatecall(gas, implementation, 0, calldatasize, 0, 0)

      
      returndatacopy(0, 0, returndatasize)

      switch result
      
      case 0 { revert(0, returndatasize) }
      default { return(0, returndatasize) }
    }
  }

  
  function _willFallback() internal {
  }

  
  function _fallback() internal {
    _willFallback();
    _delegate(_implementation());
  }
}

library OpenZeppelinUpgradesAddress {
    
    function isContract(address account) internal view returns (bool) {
        uint256 size;
        
        
        
        
        
        
        
        assembly { size := extcodesize(account) }
        return size > 0;
    }
}

contract BaseUpgradeabilityProxy is Proxy {
  
  event Upgraded(address indexed implementation);

  
  bytes32 internal constant IMPLEMENTATION_SLOT = 0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc;

  
  function _implementation() internal view returns (address impl) {
    bytes32 slot = IMPLEMENTATION_SLOT;
    assembly {
      impl := sload(slot)
    }
  }

  
  function _upgradeTo(address newImplementation) internal {
    _setImplementation(newImplementation);
    emit Upgraded(newImplementation);
  }

  
  function _setImplementation(address newImplementation) internal {
    require(OpenZeppelinUpgradesAddress.isContract(newImplementation), "Cannot set a proxy implementation to a non-contract address");

    bytes32 slot = IMPLEMENTATION_SLOT;

    assembly {
      sstore(slot, newImplementation)
    }
  }
}

contract UpgradeabilityProxy is BaseUpgradeabilityProxy {
  
  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);
    }
  }  
}

contract BaseAdminUpgradeabilityProxy is BaseUpgradeabilityProxy {
  
  event AdminChanged(address previousAdmin, address newAdmin);

  

  bytes32 internal constant ADMIN_SLOT = 0xb53127684a568b3173ae13b9f8a6016e243e63b6e8ee1178d6a717850b5d6103;

  
  modifier ifAdmin() {
    if (msg.sender == _admin()) {
      _;
    } else {
      _fallback();
    }
  }

  
  function admin() external ifAdmin returns (address) {
    return _admin();
  }

  
  function implementation() external ifAdmin returns (address) {
    return _implementation();
  }

  
  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);
  }

  
  function upgradeTo(address newImplementation) external ifAdmin {
    _upgradeTo(newImplementation);
  }

  
  function upgradeToAndCall(address newImplementation, bytes calldata data) payable external ifAdmin {
    _upgradeTo(newImplementation);
    (bool success,) = newImplementation.delegatecall(data);
    require(success);
  }

  
  function _admin() internal view returns (address adm) {
    bytes32 slot = ADMIN_SLOT;
    assembly {
      adm := sload(slot)
    }
  }

  
  function _setAdmin(address newAdmin) internal {
    bytes32 slot = ADMIN_SLOT;

    assembly {
      sstore(slot, newAdmin)
    }
  }

  
  function _willFallback() internal {
    require(msg.sender != _admin(), "Cannot call fallback function from the proxy admin");
    super._willFallback();
  }
}

contract InitializableUpgradeabilityProxy is BaseUpgradeabilityProxy {
  
  function initialize(address _logic, bytes memory _data) public payable {
    require(_implementation() == address(0));
    assert(IMPLEMENTATION_SLOT == bytes32(uint256(keccak256('eip1967.proxy.implementation')) - 1));
    _setImplementation(_logic);
    if(_data.length > 0) {
      (bool success,) = _logic.delegatecall(_data);
      require(success);
    }
  }  
}

contract InitializableAdminUpgradeabilityProxy is BaseAdminUpgradeabilityProxy, InitializableUpgradeabilityProxy {
  
  function initialize(address _logic, address _admin, bytes memory _data) public payable {
    require(_implementation() == address(0));
    InitializableUpgradeabilityProxy.initialize(_logic, _data);
    assert(ADMIN_SLOT == bytes32(uint256(keccak256('eip1967.proxy.admin')) - 1));
    _setAdmin(_admin);
  }
}

interface IERC20 {
    
    function totalSupply() external view returns (uint256);

    
    function balanceOf(address account) external view returns (uint256);

    
    function transfer(address recipient, uint256 amount) external returns (bool);

    
    function allowance(address owner, address spender) external view returns (uint256);

    
    function approve(address spender, uint256 amount) external returns (bool);

    
    function transferFrom(address sender, address recipient, uint256 amount) external returns (bool);

    
    event Transfer(address indexed from, address indexed to, uint256 value);

    
    event Approval(address indexed owner, address indexed spender, uint256 value);
}

library SafeMath {
    
    function add(uint256 a, uint256 b) internal pure returns (uint256) {
        uint256 c = a + b;
        require(c >= a, "SafeMath: addition overflow");

        return c;
    }

    
    function sub(uint256 a, uint256 b) internal pure returns (uint256) {
        return sub(a, b, "SafeMath: subtraction overflow");
    }

    
    function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
        require(b <= a, errorMessage);
        uint256 c = a - b;

        return c;
    }

    
    function mul(uint256 a, uint256 b) internal pure returns (uint256) {
        
        
        
        if (a == 0) {
            return 0;
        }

        uint256 c = a * b;
        require(c / a == b, "SafeMath: multiplication overflow");

        return c;
    }

    
    function div(uint256 a, uint256 b) internal pure returns (uint256) {
        return div(a, b, "SafeMath: division by zero");
    }

    
    function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
        
        require(b > 0, errorMessage);
        uint256 c = a / b;
        

        return c;
    }

    
    function mod(uint256 a, uint256 b) internal pure returns (uint256) {
        return mod(a, b, "SafeMath: modulo by zero");
    }

    
    function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
        require(b != 0, errorMessage);
        return a % b;
    }
}

contract ERC20 is Initializable, Context, IERC20 {
    using SafeMath for uint256;

    mapping (address => uint256) private _balances;

    mapping (address => mapping (address => uint256)) private _allowances;

    uint256 private _totalSupply;

    
    function totalSupply() public view returns (uint256) {
        return _totalSupply;
    }

    
    function balanceOf(address account) public view returns (uint256) {
        return _balances[account];
    }

    
    function transfer(address recipient, uint256 amount) public returns (bool) {
        _transfer(_msgSender(), recipient, amount);
        return true;
    }

    
    function allowance(address owner, address spender) public view returns (uint256) {
        return _allowances[owner][spender];
    }

    
    function approve(address spender, uint256 amount) public returns (bool) {
        _approve(_msgSender(), spender, amount);
        return true;
    }

    
    function transferFrom(address sender, address recipient, uint256 amount) public returns (bool) {
        _transfer(sender, recipient, amount);
        _approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance"));
        return true;
    }

    
    function increaseAllowance(address spender, uint256 addedValue) public returns (bool) {
        _approve(_msgSender(), spender, _allowances[_msgSender()][spender].add(addedValue));
        return true;
    }

    
    function decreaseAllowance(address spender, uint256 subtractedValue) public returns (bool) {
        _approve(_msgSender(), spender, _allowances[_msgSender()][spender].sub(subtractedValue, "ERC20: decreased allowance below zero"));
        return true;
    }

    
    function _transfer(address sender, address recipient, uint256 amount) internal {
        require(sender != address(0), "ERC20: transfer from the zero address");
        require(recipient != address(0), "ERC20: transfer to the zero address");

        _balances[sender] = _balances[sender].sub(amount, "ERC20: transfer amount exceeds balance");
        _balances[recipient] = _balances[recipient].add(amount);
        emit Transfer(sender, recipient, amount);
    }

    
    function _mint(address account, uint256 amount) internal {
        require(account != address(0), "ERC20: mint to the zero address");

        _totalSupply = _totalSupply.add(amount);
        _balances[account] = _balances[account].add(amount);
        emit Transfer(address(0), account, amount);
    }

    
    function _burn(address account, uint256 amount) internal {
        require(account != address(0), "ERC20: burn from the zero address");

        _balances[account] = _balances[account].sub(amount, "ERC20: burn amount exceeds balance");
        _totalSupply = _totalSupply.sub(amount);
        emit Transfer(account, address(0), amount);
    }

    
    function _approve(address owner, address spender, uint256 amount) internal {
        require(owner != address(0), "ERC20: approve from the zero address");
        require(spender != address(0), "ERC20: approve to the zero address");

        _allowances[owner][spender] = amount;
        emit Approval(owner, spender, amount);
    }

    
    function _burnFrom(address account, uint256 amount) internal {
        _burn(account, amount);
        _approve(account, _msgSender(), _allowances[account][_msgSender()].sub(amount, "ERC20: burn amount exceeds allowance"));
    }

    uint256[50] private ______gap;
}

contract ERC20Detailed is Initializable, IERC20 {
    string private _name;
    string internal _symbol;
    uint8 private _decimals;

    
    function initialize(string memory name, string memory symbol, uint8 decimals) public initializer {
        _name = name;
        _symbol = symbol;
        _decimals = decimals;
    }

    
    function name() public view returns (string memory) {
        return _name;
    }

    
    function symbol() public view returns (string memory) {
        return _symbol;
    }

    
    function decimals() public view returns (uint8) {
        return _decimals;
    }

    uint256[50] private ______gap;
}

contract Claimable is Initializable, Ownable {
    address public pendingOwner;

    function initialize(address _nextOwner) public initializer {
        Ownable.initialize(_nextOwner);
    }

    modifier onlyPendingOwner() {
        require(
            _msgSender() == pendingOwner,
            "Claimable: caller is not the pending owner"
        );
        _;
    }

    function transferOwnership(address newOwner) public onlyOwner {
        require(
            newOwner != owner() && newOwner != pendingOwner,
            "Claimable: invalid new owner"
        );
        pendingOwner = newOwner;
    }

    
    
    function _directTransferOwnership(address newOwner) public onlyOwner {
        _transferOwnership(newOwner);
    }

    function claimOwnership() public onlyPendingOwner {
        _transferOwnership(pendingOwner);
        delete pendingOwner;
    }
}

library Address {
    
    function isContract(address account) internal view returns (bool) {
        
        
        
        bytes32 codehash;
        bytes32 accountHash = 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470;
        
        assembly { codehash := extcodehash(account) }
        return (codehash != accountHash && codehash != 0x0);
    }

    
    function toPayable(address account) internal pure returns (address payable) {
        return address(uint160(account));
    }

    
    function sendValue(address payable recipient, uint256 amount) internal {
        require(address(this).balance >= amount, "Address: insufficient balance");

        
        (bool success, ) = recipient.call.value(amount)("");
        require(success, "Address: unable to send value, recipient may have reverted");
    }
}

library SafeERC20 {
    using SafeMath for uint256;
    using Address for address;

    function safeTransfer(IERC20 token, address to, uint256 value) internal {
        callOptionalReturn(token, abi.encodeWithSelector(token.transfer.selector, to, value));
    }

    function safeTransferFrom(IERC20 token, address from, address to, uint256 value) internal {
        callOptionalReturn(token, abi.encodeWithSelector(token.transferFrom.selector, from, to, value));
    }

    function safeApprove(IERC20 token, address spender, uint256 value) internal {
        
        
        
        
        require((value == 0) || (token.allowance(address(this), spender) == 0),
            "SafeERC20: approve from non-zero to non-zero allowance"
        );
        callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, value));
    }

    function safeIncreaseAllowance(IERC20 token, address spender, uint256 value) internal {
        uint256 newAllowance = token.allowance(address(this), spender).add(value);
        callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance));
    }

    function safeDecreaseAllowance(IERC20 token, address spender, uint256 value) internal {
        uint256 newAllowance = token.allowance(address(this), spender).sub(value, "SafeERC20: decreased allowance below zero");
        callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance));
    }

    
    function callOptionalReturn(IERC20 token, bytes memory data) private {
        
        

        
        
        
        
        
        require(address(token).isContract(), "SafeERC20: call to non-contract");

        
        (bool success, bytes memory returndata) = address(token).call(data);
        require(success, "SafeERC20: low-level call failed");

        if (returndata.length > 0) { 
            
            require(abi.decode(returndata, (bool)), "SafeERC20: ERC20 operation did not succeed");
        }
    }
}

contract CanReclaimTokens is Claimable {
    using SafeERC20 for ERC20;

    mapping(address => bool) private recoverableTokensBlacklist;

    function initialize(address _nextOwner) public initializer {
        Claimable.initialize(_nextOwner);
    }

    function blacklistRecoverableToken(address _token) public onlyOwner {
        recoverableTokensBlacklist[_token] = true;
    }

    
    
    function recoverTokens(address _token) external onlyOwner {
        require(
            !recoverableTokensBlacklist[_token],
            "CanReclaimTokens: token is not recoverable"
        );

        if (_token == address(0x0)) {
            msg.sender.transfer(address(this).balance);
        } else {
            ERC20(_token).safeTransfer(
                msg.sender,
                ERC20(_token).balanceOf(address(this))
            );
        }
    }
}

contract ERC20WithRate is Initializable, Ownable, ERC20 {
    using SafeMath for uint256;

    uint256 public constant _rateScale = 1e18;
    uint256 internal _rate;

    event LogRateChanged(uint256 indexed _rate);

    
    function initialize(address _nextOwner, uint256 _initialRate)
        public
        initializer
    {
        Ownable.initialize(_nextOwner);
        _setRate(_initialRate);
    }

    function setExchangeRate(uint256 _nextRate) public onlyOwner {
        _setRate(_nextRate);
    }

    function exchangeRateCurrent() public view returns (uint256) {
        require(_rate != 0, "ERC20WithRate: rate has not been initialized");
        return _rate;
    }

    function _setRate(uint256 _nextRate) internal {
        require(_nextRate > 0, "ERC20WithRate: rate must be greater than zero");
        _rate = _nextRate;
    }

    function balanceOfUnderlying(address _account)
        public
        view
        returns (uint256)
    {
        return toUnderlying(balanceOf(_account));
    }

    function toUnderlying(uint256 _amount) public view returns (uint256) {
        return _amount.mul(_rate).div(_rateScale);
    }

    function fromUnderlying(uint256 _amountUnderlying)
        public
        view
        returns (uint256)
    {
        return _amountUnderlying.mul(_rateScale).div(_rate);
    }
}

contract ERC20WithPermit is Initializable, ERC20, ERC20Detailed {
    using SafeMath for uint256;

    mapping(address => uint256) public nonces;

    
    
    string public version;

    
    bytes32 public DOMAIN_SEPARATOR;
    
    
    bytes32 public constant PERMIT_TYPEHASH =
        0xea2aa0a1be11a07ed86d755c93467f4f82362b452371d1ba94d1715123511acb;

    function initialize(
        uint256 _chainId,
        string memory _version,
        string memory _name,
        string memory _symbol,
        uint8 _decimals
    ) public initializer {
        ERC20Detailed.initialize(_name, _symbol, _decimals);
        version = _version;
        DOMAIN_SEPARATOR = keccak256(
            abi.encode(
                keccak256(
                    "EIP712Domain(string name,string version,uint256 chainId,address verifyingContract)"
                ),
                keccak256(bytes(name())),
                keccak256(bytes(version)),
                _chainId,
                address(this)
            )
        );
    }

    
    function permit(
        address holder,
        address spender,
        uint256 nonce,
        uint256 expiry,
        bool allowed,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) external {
        bytes32 digest =
            keccak256(
                abi.encodePacked(
                    "\x19\x01",
                    DOMAIN_SEPARATOR,
                    keccak256(
                        abi.encode(
                            PERMIT_TYPEHASH,
                            holder,
                            spender,
                            nonce,
                            expiry,
                            allowed
                        )
                    )
                )
            );

        require(holder != address(0), "ERC20WithRate: address must not be 0x0");
        require(
            holder == ecrecover(digest, v, r, s),
            "ERC20WithRate: invalid signature"
        );
        require(
            expiry == 0 || now <= expiry,
            "ERC20WithRate: permit has expired"
        );
        require(nonce == nonces[holder]++, "ERC20WithRate: invalid nonce");
        uint256 amount = allowed ? uint256(-1) : 0;
        _approve(holder, spender, amount);
    }
}

contract RenERC20LogicV1 is
    Initializable,
    ERC20,
    ERC20Detailed,
    ERC20WithRate,
    ERC20WithPermit,
    Claimable,
    CanReclaimTokens
{
    
    function initialize(
        uint256 _chainId,
        address _nextOwner,
        uint256 _initialRate,
        string memory _version,
        string memory _name,
        string memory _symbol,
        uint8 _decimals
    ) public initializer {
        ERC20Detailed.initialize(_name, _symbol, _decimals);
        ERC20WithRate.initialize(_nextOwner, _initialRate);
        ERC20WithPermit.initialize(
            _chainId,
            _version,
            _name,
            _symbol,
            _decimals
        );
        Claimable.initialize(_nextOwner);
        CanReclaimTokens.initialize(_nextOwner);
    }

    function updateSymbol(string memory symbol) public onlyOwner {
        ERC20Detailed._symbol = symbol;
    }

    
    
    function mint(address _to, uint256 _amount) public onlyOwner {
        _mint(_to, _amount);
    }

    
    
    function burn(address _from, uint256 _amount) public onlyOwner {
        _burn(_from, _amount);
    }

    function transfer(address recipient, uint256 amount) public returns (bool) {
        
        
        
        require(
            recipient != address(this),
            "RenERC20: can't transfer to token address"
        );
        return super.transfer(recipient, amount);
    }

    function transferFrom(
        address sender,
        address recipient,
        uint256 amount
    ) public returns (bool) {
        
        
        require(
            recipient != address(this),
            "RenERC20: can't transfer to token address"
        );
        return super.transferFrom(sender, recipient, amount);
    }
}

contract RenERC20Proxy is InitializableAdminUpgradeabilityProxy {

}

Contract Security Audit

Contract ABI

[{"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"},{"payable":true,"stateMutability":"payable","type":"fallback"},{"constant":false,"inputs":[],"name":"admin","outputs":[{"internalType":"address","name":"","type":"address"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"internalType":"address","name":"newAdmin","type":"address"}],"name":"changeAdmin","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[],"name":"implementation","outputs":[{"internalType":"address","name":"","type":"address"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"internalType":"address","name":"_logic","type":"address"},{"internalType":"address","name":"_admin","type":"address"},{"internalType":"bytes","name":"_data","type":"bytes"}],"name":"initialize","outputs":[],"payable":true,"stateMutability":"payable","type":"function"},{"constant":false,"inputs":[{"internalType":"address","name":"_logic","type":"address"},{"internalType":"bytes","name":"_data","type":"bytes"}],"name":"initialize","outputs":[],"payable":true,"stateMutability":"payable","type":"function"},{"constant":false,"inputs":[{"internalType":"address","name":"newImplementation","type":"address"}],"name":"upgradeTo","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"internalType":"address","name":"newImplementation","type":"address"},{"internalType":"bytes","name":"data","type":"bytes"}],"name":"upgradeToAndCall","outputs":[],"payable":true,"stateMutability":"payable","type":"function"}]

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

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
Loading
Loading
Make sure to use the "Vote Down" button for any spammy posts, and the "Vote Up" for interesting conversations.