Token XSGD

 

Overview [ERC-20]

Price
$0.73 @ 0.000384 Eth (+0.84%)
Fully Diluted Market Cap
Max Total Supply:
73,279,484.92 XSGD

Holders:
2,072 ( 0.193%)

Transfers:
-

 
Loading
[ Download CSV Export  ] 
Loading
[ Download CSV Export  ] 
Loading

OVERVIEW

StraitsX is the pioneering payments infrastructure for the digital assets space in Southeast Asia developed by Singapore-based FinTech Xfers Pte. Ltd, a Major Payment Institution licensed by the Monetary Authority of Singapore for e-money issuance.

Market

Volume (24H):$558,947.84
Market Capitalization:$65,374,392.03
Circulating Supply:89,561,572.00 XSGD
Market Data Source: Coinmarketcap

# Exchange Pair Price  24H Volume % Volume
Loading

Contract Source Code Verified (Exact Match)

Contract Name:
FiatTokenProxy

Compiler Version
v0.4.24+commit.e67f0147

Optimization Enabled:
Yes with 200 runs

Other Settings:
default evmVersion, MIT license
/**
 *Submitted for verification at Etherscan.io on 2020-03-25
*/

// File: zos-lib/contracts/upgradeability/Proxy.sol

pragma solidity ^0.4.24;

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

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

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

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

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

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

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

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

// File: openzeppelin-solidity/contracts/AddressUtils.sol

pragma solidity ^0.4.24;


/**
 * Utility library of inline functions on addresses
 */
library AddressUtils {

  /**
   * Returns whether the target address is a contract
   * @dev This function will return false if invoked during the constructor of a contract,
   * as the code is not actually created until after the constructor finishes.
   * @param addr address to check
   * @return whether the target address is a contract
   */
  function isContract(address addr) internal view returns (bool) {
    uint256 size;
    // XXX Currently there is no better way to check if there is a contract in an address
    // than to check the size of the code at that address.
    // See https://ethereum.stackexchange.com/a/14016/36603
    // for more details about how this works.
    // TODO Check this again before the Serenity release, because all addresses will be
    // contracts then.
    // solium-disable-next-line security/no-inline-assembly
    assembly { size := extcodesize(addr) }
    return size > 0;
  }

}

// File: zos-lib/contracts/upgradeability/UpgradeabilityProxy.sol

pragma solidity ^0.4.24;



/**
 * @title UpgradeabilityProxy
 * @dev This contract implements a proxy that allows to change the
 * implementation address to which it will delegate.
 * Such a change is called an implementation upgrade.
 */
contract UpgradeabilityProxy is Proxy {
  /**
   * @dev Emitted when the implementation is upgraded.
   * @param implementation Address of the new implementation.
   */
  event Upgraded(address implementation);

  /**
   * @dev Storage slot with the address of the current implementation.
   * This is the keccak-256 hash of "org.zeppelinos.proxy.implementation", and is
   * validated in the constructor.
   */
  bytes32 private constant IMPLEMENTATION_SLOT = 0x7050c9e0f4ca769c69bd3a8ef740bc37934f8e2c036e5a723fd8ee048ed3f8c3;

  /**
   * @dev Contract constructor.
   * @param _implementation Address of the initial implementation.
   */
  constructor(address _implementation) public {
    assert(IMPLEMENTATION_SLOT == keccak256("org.zeppelinos.proxy.implementation"));

    _setImplementation(_implementation);
  }

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

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

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

    bytes32 slot = IMPLEMENTATION_SLOT;

    assembly {
      sstore(slot, newImplementation)
    }
  }
}

// File: zos-lib/contracts/upgradeability/AdminUpgradeabilityProxy.sol

pragma solidity ^0.4.24;


/**
 * @title AdminUpgradeabilityProxy
 * @dev This contract combines an upgradeability proxy with an authorization
 * mechanism for administrative tasks.
 * All external functions in this contract must be guarded by the
 * `ifAdmin` modifier. See ethereum/solidity#3864 for a Solidity
 * feature proposal that would enable this to be done automatically.
 */
contract AdminUpgradeabilityProxy is UpgradeabilityProxy {
  /**
   * @dev Emitted when the administration has been transferred.
   * @param previousAdmin Address of the previous admin.
   * @param newAdmin Address of the new admin.
   */
  event AdminChanged(address previousAdmin, address newAdmin);

  /**
   * @dev Storage slot with the admin of the contract.
   * This is the keccak-256 hash of "org.zeppelinos.proxy.admin", and is
   * validated in the constructor.
   */
  bytes32 private constant ADMIN_SLOT = 0x10d6a54a4754c8869d6886b5f5d7fbfa5b4522237ea5c60d11bc4e7a1ff9390b;

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

  /**
   * Contract constructor.
   * It sets the `msg.sender` as the proxy administrator.
   * @param _implementation address of the initial implementation.
   */
  constructor(address _implementation) UpgradeabilityProxy(_implementation) public {
    assert(ADMIN_SLOT == keccak256("org.zeppelinos.proxy.admin"));

    _setAdmin(msg.sender);
  }

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

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

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

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

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

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

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

    assembly {
      sstore(slot, newAdmin)
    }
  }

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

// File: contracts/FiatTokenProxy.sol

/**
* Copyright CENTRE SECZ 2018
* Copyright (c) 2020 Xfers Pte. Ltd.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is furnished to
* do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/

pragma solidity ^0.4.24;


/**
 * @title FiatTokenProxy
 * @dev This contract proxies FiatToken calls and enables FiatToken upgrades
*/
contract FiatTokenProxy is AdminUpgradeabilityProxy {
    constructor(address _implementation) public AdminUpgradeabilityProxy(_implementation) {
    }
}

Contract Security Audit

Contract ABI

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

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

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

0000000000000000000000002e21613c4eed4a5af1e9223edcfc8640138da7fb

-----Decoded View---------------
Arg [0] : _implementation (address): 0x2e21613c4eed4a5af1e9223edcfc8640138da7fb

-----Encoded View---------------
1 Constructor Arguments found :
Arg [0] : 0000000000000000000000002e21613c4eed4a5af1e9223edcfc8640138da7fb


Deployed ByteCode Sourcemap

10975:156:0:-;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;524:11;:9;:11::i;:::-;10975:156;8113:105;;8:9:-1;5:2;;;30:1;27;20:12;5:2;-1:-1;8113:105:0;-1:-1:-1;;;;;8113:105:0;;;;;8752:189;;;;;-1:-1:-1;;;;;8752:189:0;;;;;;;;;;;;;7408:103;;8:9:-1;5:2;;;30:1;27;20:12;5:2;7408:103:0;;;;;;;;-1:-1:-1;;;;;7408:103:0;;;;;;;;;;;;;;7694:228;;8:9:-1;5:2;;;30:1;27;20:12;5:2;-1:-1;7694:228:0;-1:-1:-1;;;;;7694:228:0;;;;;7254:85;;8:9:-1;5:2;;;30:1;27;20:12;5:2;7254:85:0;;;;2070:93;2107:15;:13;:15::i;:::-;2129:28;2139:17;:15;:17::i;:::-;2129:9;:28::i;:::-;2070:93::o;8113:105::-;6761:8;:6;:8::i;:::-;-1:-1:-1;;;;;6747:22:0;:10;-1:-1:-1;;;;;6747:22:0;;6743:80;;;8183:29;8194:17;8183:10;:29::i;:::-;6743:80;;;6804:11;:9;:11::i;:::-;8113:105;:::o;8752:189::-;6761:8;:6;:8::i;:::-;-1:-1:-1;;;;;6747:22:0;:10;-1:-1:-1;;;;;6747:22:0;;6743:80;;;8849:29;8860:17;8849:10;:29::i;:::-;8901:4;-1:-1:-1;;;;;8893:18:0;8918:9;8929:4;;8893:41;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;8885:50;;;;;;;;6743:80;;;6804:11;:9;:11::i;:::-;8752:189;;;:::o;7408:103::-;7465:7;6761:8;:6;:8::i;:::-;-1:-1:-1;;;;;6747:22:0;:10;-1:-1:-1;;;;;6747:22:0;;6743:80;;;7488:17;:15;:17::i;:::-;7481:24;;6743:80;;;6804:11;:9;:11::i;:::-;7408:103;:::o;7694:228::-;6761:8;:6;:8::i;:::-;-1:-1:-1;;;;;6747:22:0;:10;-1:-1:-1;;;;;6747:22:0;;6743:80;;;-1:-1:-1;;;;;7765:22:0;;;;7757:89;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;7858:32;7871:8;:6;:8::i;:::-;7858:32;;;-1:-1:-1;;;;;7858:32:0;;;;;;;;;;;;;;;;;;;;;7897:19;7907:8;7897:9;:19::i;7254:85::-;7302:7;6761:8;:6;:8::i;:::-;-1:-1:-1;;;;;6747:22:0;:10;-1:-1:-1;;;;;6747:22:0;;6743:80;;;7325:8;:6;:8::i;9473:160::-;9536:8;:6;:8::i;:::-;-1:-1:-1;;;;;9522:22:0;:10;:22;;9514:85;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;9606:21;:19;:21::i;4558:161::-;4071:66;4696:11;;4679:35::o;963:750::-;1270:12;1267:1;1264;1251:32;1464:1;1461;1447:12;1444:1;1428:14;1423:3;1410:56;1531:14;1528:1;1525;1510:36;1563:6;1620:36;;;;1684:14;1681:1;1674:25;1620:36;1639:14;1636:1;1629:25;8991:141;6454:66;9109:11;;9093:34::o;4860:145::-;4923:37;4942:17;4923:18;:37::i;:::-;4972:27;;;-1:-1:-1;;;;;4972:27:0;;;;;;;;;;;;;;;4860:145;:::o;9254:139::-;6454:66;9359:22;9350:38::o;5148:297::-;5341:12;5226:42;5250:17;5226:23;:42::i;:::-;5218:114;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;-1:-1:-1;4071:66:0;5402:31;5393:47::o;2683:587::-;2740:4;3224:17;;3256:8;;2683:587::o

Swarm Source

bzzr://279bea896e72a10a33ce2e729281114331a49691237ff66897f875a538103b69

A token is a representation of an on-chain or off-chain asset. The token page shows information such as price, total supply, holders, transfers and social links. Learn more about this page in our Knowledge Base.