ETH Price: $2,984.96 (-1.98%)

Transaction Decoder

Block:
22917106 at Jul-14-2025 11:25:47 AM +UTC
Transaction Fee:
0.00021959130897 ETH $0.66
Gas Used:
44,154 Gas / 4.973305 Gwei

Account State Difference:

  Address   Before After State Difference Code
0xA38716bE...0300cc719
0.000350024140935963 Eth
Nonce: 258
0.000130432831965963 Eth
Nonce: 259
0.00021959130897
(BuilderNet)
87.206382935202534943 Eth87.206471243202534943 Eth0.000088308

Execution Trace

RedSnwapper.snwapMultiple( inputTokens=, outputTokens=, executors= )
  • Token.balanceOf( account=0xA38716bE6043c82846C5f879c94eA9d0300cc719 ) => ( 0 )
  • FiatTokenProxy.23b872dd( )
    snwapMultiple[RedSnwapper (ln:500)]
    File 1 of 3: RedSnwapper
    // SPDX-License-Identifier: MIT
    // OpenZeppelin Contracts v4.4.1 (token/ERC20/extensions/draft-IERC20Permit.sol)
    pragma solidity ^0.8.0;
    /**
     * @dev Interface of the ERC20 Permit extension allowing approvals to be made via signatures, as defined in
     * https://eips.ethereum.org/EIPS/eip-2612[EIP-2612].
     *
     * Adds the {permit} method, which can be used to change an account's ERC20 allowance (see {IERC20-allowance}) by
     * presenting a message signed by the account. By not relying on {IERC20-approve}, the token holder account doesn't
     * need to send a transaction, and thus is not required to hold Ether at all.
     */
    interface IERC20Permit {
        /**
         * @dev Sets `value` as the allowance of `spender` over ``owner``'s tokens,
         * given ``owner``'s signed approval.
         *
         * IMPORTANT: The same issues {IERC20-approve} has related to transaction
         * ordering also apply here.
         *
         * Emits an {Approval} event.
         *
         * Requirements:
         *
         * - `spender` cannot be the zero address.
         * - `deadline` must be a timestamp in the future.
         * - `v`, `r` and `s` must be a valid `secp256k1` signature from `owner`
         * over the EIP712-formatted function arguments.
         * - the signature must use ``owner``'s current nonce (see {nonces}).
         *
         * For more information on the signature format, see the
         * https://eips.ethereum.org/EIPS/eip-2612#specification[relevant EIP
         * section].
         */
        function permit(
            address owner,
            address spender,
            uint256 value,
            uint256 deadline,
            uint8 v,
            bytes32 r,
            bytes32 s
        ) external;
        /**
         * @dev Returns the current nonce for `owner`. This value must be
         * included whenever a signature is generated for {permit}.
         *
         * Every successful call to {permit} increases ``owner``'s nonce by one. This
         * prevents a signature from being used multiple times.
         */
        function nonces(address owner) external view returns (uint256);
        /**
         * @dev Returns the domain separator used in the encoding of the signature for {permit}, as defined by {EIP712}.
         */
        // solhint-disable-next-line func-name-mixedcase
        function DOMAIN_SEPARATOR() external view returns (bytes32);
    }
    // SPDX-License-Identifier: MIT
    // OpenZeppelin Contracts (last updated v4.6.0) (token/ERC20/IERC20.sol)
    pragma solidity ^0.8.0;
    /**
     * @dev Interface of the ERC20 standard as defined in the EIP.
     */
    interface IERC20 {
        /**
         * @dev Emitted when `value` tokens are moved from one account (`from`) to
         * another (`to`).
         *
         * Note that `value` may be zero.
         */
        event Transfer(address indexed from, address indexed to, uint256 value);
        /**
         * @dev Emitted when the allowance of a `spender` for an `owner` is set by
         * a call to {approve}. `value` is the new allowance.
         */
        event Approval(address indexed owner, address indexed spender, uint256 value);
        /**
         * @dev Returns the amount of tokens in existence.
         */
        function totalSupply() external view returns (uint256);
        /**
         * @dev Returns the amount of tokens owned by `account`.
         */
        function balanceOf(address account) external view returns (uint256);
        /**
         * @dev Moves `amount` tokens from the caller's account to `to`.
         *
         * Returns a boolean value indicating whether the operation succeeded.
         *
         * Emits a {Transfer} event.
         */
        function transfer(address to, uint256 amount) external returns (bool);
        /**
         * @dev Returns the remaining number of tokens that `spender` will be
         * allowed to spend on behalf of `owner` through {transferFrom}. This is
         * zero by default.
         *
         * This value changes when {approve} or {transferFrom} are called.
         */
        function allowance(address owner, address spender) external view returns (uint256);
        /**
         * @dev Sets `amount` as the allowance of `spender` over the caller's tokens.
         *
         * Returns a boolean value indicating whether the operation succeeded.
         *
         * IMPORTANT: Beware that changing an allowance with this method brings the risk
         * that someone may use both the old and the new allowance by unfortunate
         * transaction ordering. One possible solution to mitigate this race
         * condition is to first reduce the spender's allowance to 0 and set the
         * desired value afterwards:
         * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
         *
         * Emits an {Approval} event.
         */
        function approve(address spender, uint256 amount) external returns (bool);
        /**
         * @dev Moves `amount` tokens from `from` to `to` using the
         * allowance mechanism. `amount` is then deducted from the caller's
         * allowance.
         *
         * Returns a boolean value indicating whether the operation succeeded.
         *
         * Emits a {Transfer} event.
         */
        function transferFrom(
            address from,
            address to,
            uint256 amount
        ) external returns (bool);
    }
    // SPDX-License-Identifier: MIT
    // OpenZeppelin Contracts (last updated v4.8.0) (token/ERC20/utils/SafeERC20.sol)
    pragma solidity ^0.8.0;
    import "../IERC20.sol";
    import "../extensions/draft-IERC20Permit.sol";
    import "../../../utils/Address.sol";
    /**
     * @title SafeERC20
     * @dev Wrappers around ERC20 operations that throw on failure (when the token
     * contract returns false). Tokens that return no value (and instead revert or
     * throw on failure) are also supported, non-reverting calls are assumed to be
     * successful.
     * To use this library you can add a `using SafeERC20 for IERC20;` statement to your contract,
     * which allows you to call the safe operations as `token.safeTransfer(...)`, etc.
     */
    library SafeERC20 {
        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));
        }
        /**
         * @dev Deprecated. This function has issues similar to the ones found in
         * {IERC20-approve}, and its usage is discouraged.
         *
         * Whenever possible, use {safeIncreaseAllowance} and
         * {safeDecreaseAllowance} instead.
         */
        function safeApprove(
            IERC20 token,
            address spender,
            uint256 value
        ) internal {
            // safeApprove should only be called when setting an initial allowance,
            // or when resetting it to zero. To increase and decrease it, use
            // 'safeIncreaseAllowance' and 'safeDecreaseAllowance'
            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) + value;
            _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance));
        }
        function safeDecreaseAllowance(
            IERC20 token,
            address spender,
            uint256 value
        ) internal {
            unchecked {
                uint256 oldAllowance = token.allowance(address(this), spender);
                require(oldAllowance >= value, "SafeERC20: decreased allowance below zero");
                uint256 newAllowance = oldAllowance - value;
                _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance));
            }
        }
        function safePermit(
            IERC20Permit token,
            address owner,
            address spender,
            uint256 value,
            uint256 deadline,
            uint8 v,
            bytes32 r,
            bytes32 s
        ) internal {
            uint256 nonceBefore = token.nonces(owner);
            token.permit(owner, spender, value, deadline, v, r, s);
            uint256 nonceAfter = token.nonces(owner);
            require(nonceAfter == nonceBefore + 1, "SafeERC20: permit did not succeed");
        }
        /**
         * @dev Imitates a Solidity high-level call (i.e. a regular function call to a contract), relaxing the requirement
         * on the return value: the return value is optional (but if data is returned, it must not be false).
         * @param token The token targeted by the call.
         * @param data The call data (encoded using abi.encode or one of its variants).
         */
        function _callOptionalReturn(IERC20 token, bytes memory data) private {
            // We need to perform a low level call here, to bypass Solidity's return data size checking mechanism, since
            // we're implementing it ourselves. We use {Address-functionCall} to perform this call, which verifies that
            // the target address contains contract code and also asserts for success in the low-level call.
            bytes memory returndata = address(token).functionCall(data, "SafeERC20: low-level call failed");
            if (returndata.length > 0) {
                // Return data is optional
                require(abi.decode(returndata, (bool)), "SafeERC20: ERC20 operation did not succeed");
            }
        }
    }
    // SPDX-License-Identifier: MIT
    // OpenZeppelin Contracts (last updated v4.8.0) (utils/Address.sol)
    pragma solidity ^0.8.1;
    /**
     * @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
         * ====
         *
         * [IMPORTANT]
         * ====
         * You shouldn't rely on `isContract` to protect against flash loan attacks!
         *
         * Preventing calls from contracts is highly discouraged. It breaks composability, breaks support for smart wallets
         * like Gnosis Safe, and does not provide security since it can be circumvented by calling from a contract
         * constructor.
         * ====
         */
        function isContract(address account) internal view returns (bool) {
            // This method relies on extcodesize/address.code.length, which returns 0
            // for contracts in construction, since the code is only stored at the end
            // of the constructor execution.
            return account.code.length > 0;
        }
        /**
         * @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");
            (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 functionCallWithValue(target, data, 0, "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");
            (bool success, bytes memory returndata) = target.call{value: value}(data);
            return verifyCallResultFromTarget(target, success, returndata, errorMessage);
        }
        /**
         * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
         * but performing a static call.
         *
         * _Available since v3.3._
         */
        function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {
            return functionStaticCall(target, data, "Address: low-level static call failed");
        }
        /**
         * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
         * but performing a static call.
         *
         * _Available since v3.3._
         */
        function functionStaticCall(
            address target,
            bytes memory data,
            string memory errorMessage
        ) internal view returns (bytes memory) {
            (bool success, bytes memory returndata) = target.staticcall(data);
            return verifyCallResultFromTarget(target, success, returndata, errorMessage);
        }
        /**
         * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
         * but performing a delegate call.
         *
         * _Available since v3.4._
         */
        function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) {
            return functionDelegateCall(target, data, "Address: low-level delegate call failed");
        }
        /**
         * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
         * but performing a delegate call.
         *
         * _Available since v3.4._
         */
        function functionDelegateCall(
            address target,
            bytes memory data,
            string memory errorMessage
        ) internal returns (bytes memory) {
            (bool success, bytes memory returndata) = target.delegatecall(data);
            return verifyCallResultFromTarget(target, success, returndata, errorMessage);
        }
        /**
         * @dev Tool to verify that a low level call to smart-contract was successful, and revert (either by bubbling
         * the revert reason or using the provided one) in case of unsuccessful call or if target was not a contract.
         *
         * _Available since v4.8._
         */
        function verifyCallResultFromTarget(
            address target,
            bool success,
            bytes memory returndata,
            string memory errorMessage
        ) internal view returns (bytes memory) {
            if (success) {
                if (returndata.length == 0) {
                    // only check isContract if the call was successful and the return data is empty
                    // otherwise we already know that it was a contract
                    require(isContract(target), "Address: call to non-contract");
                }
                return returndata;
            } else {
                _revert(returndata, errorMessage);
            }
        }
        /**
         * @dev Tool to verify that a low level call was successful, and revert if it wasn't, either by bubbling the
         * revert reason or using the provided one.
         *
         * _Available since v4.3._
         */
        function verifyCallResult(
            bool success,
            bytes memory returndata,
            string memory errorMessage
        ) internal pure returns (bytes memory) {
            if (success) {
                return returndata;
            } else {
                _revert(returndata, errorMessage);
            }
        }
        function _revert(bytes memory returndata, string memory errorMessage) private pure {
            // 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
                /// @solidity memory-safe-assembly
                assembly {
                    let returndata_size := mload(returndata)
                    revert(add(32, returndata), returndata_size)
                }
            } else {
                revert(errorMessage);
            }
        }
    }
    // SPDX-License-Identifier: UNLICENSED
    pragma solidity 0.8.24;
    import '@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol';
    contract RedSnwapper {
      using SafeERC20 for IERC20;
      using Utils for IERC20;
      SafeExecutor public immutable safeExecutor;
      constructor() {
        safeExecutor = new SafeExecutor();
      }
      // @notice Swaps tokens
      // @notice 1. Transfers amountIn of tokens tokenIn to executor
      // @notice 2. launches executor with executorData and value = msg.value
      // @notice 3. Checks that recipient's tokenOut balance was increased at least amountOutMin
      function snwap(
        IERC20 tokenIn,
        uint amountIn, // if amountIn == 0 then amountIn = tokenIn.balance(this) - 1
        address recipient,
        IERC20 tokenOut,
        uint amountOutMin,
        address executor,
        bytes calldata executorData
      ) external payable returns (uint amountOut) {
        uint initialOutputBalance = tokenOut.universalBalanceOf(recipient);
        if (address(tokenIn) != NATIVE_ADDRESS) {
          if (amountIn > 0) tokenIn.safeTransferFrom(msg.sender, executor, amountIn);
          else tokenIn.safeTransfer(executor, tokenIn.balanceOf(address(this)) - 1); // -1 is slot undrain protection
        }
        safeExecutor.execute{value: msg.value}(executor, executorData);
        amountOut = tokenOut.universalBalanceOf(recipient) - initialOutputBalance;
        if (amountOut < amountOutMin)
          revert MinimalOutputBalanceViolation(address(tokenOut), amountOut);
      }
      // @notice Swaps multiple tokens
      // @notice 1. Transfers inputTokens to inputTokens[i].transferTo
      // @notice 2. launches executors
      // @notice 3. Checks that recipient's tokenOut balance was increased at least amountOutMin
      function snwapMultiple(
        InputToken[] calldata inputTokens,
        OutputToken[] calldata outputTokens,
        Executor[] calldata executors
      ) external payable returns (uint[] memory amountOut) {
        uint[] memory initialOutputBalance = new uint[](outputTokens.length);
        for (uint i = 0; i < outputTokens.length; i++) {
          initialOutputBalance[i] = outputTokens[i].token.universalBalanceOf(outputTokens[i].recipient);
        }
        for (uint i = 0; i < inputTokens.length; i++) {
          IERC20 tokenIn = inputTokens[i].token;
          if (address(tokenIn) != NATIVE_ADDRESS) {
            if (inputTokens[i].amountIn > 0) 
              tokenIn.safeTransferFrom(msg.sender, inputTokens[i].transferTo, inputTokens[i].amountIn);
            else tokenIn.safeTransfer(inputTokens[i].transferTo, tokenIn.balanceOf(address(this)) - 1); // -1 is slot undrain protection
          }
        }
        safeExecutor.executeMultiple{value: msg.value}(executors);
        amountOut = new uint[](outputTokens.length);
        for (uint i = 0; i < outputTokens.length; i++) {
          amountOut[i] = outputTokens[i].token.universalBalanceOf(outputTokens[i].recipient) - initialOutputBalance[i];
          if (amountOut[i] < outputTokens[i].amountOutMin)
            revert MinimalOutputBalanceViolation(address(outputTokens[i].token), amountOut[i]);
        }
      }
    }
    // This contract doesn't have token approves, so can safely call other contracts
    contract SafeExecutor {  
      using Utils for address;
      function execute(address executor, bytes calldata executorData) external payable {
        executor.callRevertBubbleUp(msg.value, executorData);
      }
      function executeMultiple(Executor[] calldata executors) external payable {
        for (uint i = 0; i < executors.length; i++) {
          executors[i].executor.callRevertBubbleUp(executors[i].value, executors[i].data);
        }
      }
    }
    error MinimalOutputBalanceViolation(address tokenOut, uint256 amountOut);
    address constant NATIVE_ADDRESS = 0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE;
    struct InputToken {
      IERC20 token;
      uint amountIn;
      address transferTo;
    }
    struct OutputToken {
      IERC20 token;
      address recipient;
      uint amountOutMin;
    }
    struct Executor {
      address executor;
      uint value;
      bytes data;
    }
    library Utils {
      using SafeERC20 for IERC20;
      
      function universalBalanceOf(IERC20 token, address user) internal view returns (uint256) {
        if (address(token) == NATIVE_ADDRESS) return address(user).balance;
        else return token.balanceOf(user);
      }
      function callRevertBubbleUp(address contr, uint256 value, bytes memory data) internal {
        (bool success, bytes memory returnBytes) = contr.call{value: value}(data);
        if (!success) {
          assembly {
            revert(add(32, returnBytes), mload(returnBytes))
          }
        }
      }
    }

    File 2 of 3: Token
    // SPDX-License-Identifier: MIT
    /*
    This token was deployed safely using https://klik.finance
    https://x.com/klik_evm
    */
    pragma solidity >=0.8.9;
    import "@openzeppelin/contracts/token/ERC20/extensions/ERC20Burnable.sol";
    import "@openzeppelin/contracts/token/ERC20/ERC20.sol";
    interface IUniswapV3Factory {
        function getPool(address tokenA, address tokenB, uint24 fee) external view returns (address);
    }
    interface INonfungiblePositionManager {
        struct MintParams {
            address token0;
            address token1;
            uint24 fee;
            int24 tickLower;
            int24 tickUpper;
            uint256 amount0Desired;
            uint256 amount1Desired;
            uint256 amount0Min;
            uint256 amount1Min;
            address recipient;
            uint256 deadline;
        }
        function factory() external view returns (address);
        function WETH9() external view returns (address);
        function positions(uint256 tokenId) external view returns (
            uint96 nonce,
            address operator,
            address token0,
            address token1,
            uint24 fee,
            int24 tickLower,
            int24 tickUpper,
            uint128 liquidity,
            uint256 feeGrowthInside0LastX128,
            uint256 feeGrowthInside1LastX128,
            uint128 tokensOwed0,
            uint128 tokensOwed1
        );
        function createAndInitializePoolIfNecessary(
            address token0,
            address token1,
            uint24 fee,
            uint160 sqrtPriceX96
        ) external returns (address pool);
        function mint(MintParams calldata params) external returns (
            uint256 tokenId,
            uint128 liquidity,
            uint256 amount0,
            uint256 amount1
        );
        struct CollectParams {
            uint256 tokenId;
            address recipient;
            uint128 amount0Max;
            uint128 amount1Max;
        }
        function collect(CollectParams calldata params) external payable returns (
            uint256 amount0,
            uint256 amount1
        );
        function getApproved(uint256 tokenId) external view returns (address);
        function isApprovedForAll(address owner, address operator) external view returns (bool);
        function ownerOf(uint256 tokenId) external view returns (address);
    }
    contract Token is ERC20, ERC20Burnable {
        address public platform;
        address public creator;
        uint256 private launchBlock;
        uint256 private maxTxAmount;
        uint256 private constant LAUNCH_PERIOD = 5; // 5 blocks
        uint256 private constant MAX_WALLET_PERCENTAGE = 2; // 2% of total supply
        address public constant POSITION_MANAGER = 0xC36442b4a4522E871399CD717aBDD847Ab11FE88;
        address public constant WETH = 0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2;
        
        // Track transfers per tx.origin per block to detect multi-swaps  
        mapping(address => uint256) private tokensFromPoolPerOrigin;
        constructor(
            string memory _name,
            string memory _symbol,
            address _creator,
            address _platform
        ) ERC20(_name, _symbol) {
            platform = _platform;
            creator = _creator;
            launchBlock = block.number;
            
            uint256 totalTokens = 1000000000 * 10 ** decimals();
            maxTxAmount = (totalTokens * MAX_WALLET_PERCENTAGE) / 100;
            
            _mint(_platform, totalTokens);
        }
        function _update(address from, address to, uint256 value) internal override {
            if (block.number > launchBlock && block.number <= launchBlock + LAUNCH_PERIOD) {
                // Get pool address for exemption
                address factory = INonfungiblePositionManager(POSITION_MANAGER).factory();
                address pool = IUniswapV3Factory(factory).getPool(address(this), WETH, 10000);
                
                if (from == pool && to != platform && to != creator) {
                    tokensFromPoolPerOrigin[tx.origin] += value;
                    require(
                        tokensFromPoolPerOrigin[tx.origin] <= maxTxAmount*110/100,
                        "Keeping 2% pool Limits In Kontrol"
                    );
                }
                
                if (to != creator && to != platform && to != pool && from != address(0)) {
                    require(
                        balanceOf(to) + value <= maxTxAmount,
                        "Max wallet limit exceeded during launch period"
                    );
                }
            }
            
            // Block all buys at launch block except exempted transfers
            if (block.number == launchBlock && 
                from != address(0) && 
                to != platform && 
                from != platform &&
                !(from == platform && to == creator)) { // Only platform can send to creator
                revert("No buys allowed during launch block!");
            }
            
            super._update(from, to, value);
        }
        function getTokenPair() public view returns (address,address,address){
            address find_factory = INonfungiblePositionManager(POSITION_MANAGER).factory();
            address find_pool = IUniswapV3Factory(find_factory).getPool(address(this), WETH, 10000);
            return (find_pool,address(this),find_factory);
        }
        
        function isLaunchPeriodActive() public view returns (bool) {
            return block.number < launchBlock + LAUNCH_PERIOD;
        }
    }// SPDX-License-Identifier: MIT
    // OpenZeppelin Contracts (last updated v5.3.0) (token/ERC20/ERC20.sol)
    pragma solidity ^0.8.20;
    import {IERC20} from "./IERC20.sol";
    import {IERC20Metadata} from "./extensions/IERC20Metadata.sol";
    import {Context} from "../../utils/Context.sol";
    import {IERC20Errors} from "../../interfaces/draft-IERC6093.sol";
    /**
     * @dev Implementation of the {IERC20} interface.
     *
     * This implementation is agnostic to the way tokens are created. This means
     * that a supply mechanism has to be added in a derived contract using {_mint}.
     *
     * TIP: For a detailed writeup see our guide
     * https://forum.openzeppelin.com/t/how-to-implement-erc20-supply-mechanisms/226[How
     * to implement supply mechanisms].
     *
     * The default value of {decimals} is 18. To change this, you should override
     * this function so it returns a different value.
     *
     * We have followed general OpenZeppelin Contracts guidelines: functions revert
     * instead returning `false` on failure. This behavior is nonetheless
     * conventional and does not conflict with the expectations of ERC-20
     * applications.
     */
    abstract contract ERC20 is Context, IERC20, IERC20Metadata, IERC20Errors {
        mapping(address account => uint256) private _balances;
        mapping(address account => mapping(address spender => uint256)) private _allowances;
        uint256 private _totalSupply;
        string private _name;
        string private _symbol;
        /**
         * @dev Sets the values for {name} and {symbol}.
         *
         * Both values are immutable: they can only be set once during construction.
         */
        constructor(string memory name_, string memory symbol_) {
            _name = name_;
            _symbol = symbol_;
        }
        /**
         * @dev Returns the name of the token.
         */
        function name() public view virtual returns (string memory) {
            return _name;
        }
        /**
         * @dev Returns the symbol of the token, usually a shorter version of the
         * name.
         */
        function symbol() public view virtual returns (string memory) {
            return _symbol;
        }
        /**
         * @dev Returns the number of decimals used to get its user representation.
         * For example, if `decimals` equals `2`, a balance of `505` tokens should
         * be displayed to a user as `5.05` (`505 / 10 ** 2`).
         *
         * Tokens usually opt for a value of 18, imitating the relationship between
         * Ether and Wei. This is the default value returned by this function, unless
         * it's overridden.
         *
         * NOTE: This information is only used for _display_ purposes: it in
         * no way affects any of the arithmetic of the contract, including
         * {IERC20-balanceOf} and {IERC20-transfer}.
         */
        function decimals() public view virtual returns (uint8) {
            return 18;
        }
        /**
         * @dev See {IERC20-totalSupply}.
         */
        function totalSupply() public view virtual returns (uint256) {
            return _totalSupply;
        }
        /**
         * @dev See {IERC20-balanceOf}.
         */
        function balanceOf(address account) public view virtual returns (uint256) {
            return _balances[account];
        }
        /**
         * @dev See {IERC20-transfer}.
         *
         * Requirements:
         *
         * - `to` cannot be the zero address.
         * - the caller must have a balance of at least `value`.
         */
        function transfer(address to, uint256 value) public virtual returns (bool) {
            address owner = _msgSender();
            _transfer(owner, to, value);
            return true;
        }
        /**
         * @dev See {IERC20-allowance}.
         */
        function allowance(address owner, address spender) public view virtual returns (uint256) {
            return _allowances[owner][spender];
        }
        /**
         * @dev See {IERC20-approve}.
         *
         * NOTE: If `value` is the maximum `uint256`, the allowance is not updated on
         * `transferFrom`. This is semantically equivalent to an infinite approval.
         *
         * Requirements:
         *
         * - `spender` cannot be the zero address.
         */
        function approve(address spender, uint256 value) public virtual returns (bool) {
            address owner = _msgSender();
            _approve(owner, spender, value);
            return true;
        }
        /**
         * @dev See {IERC20-transferFrom}.
         *
         * Skips emitting an {Approval} event indicating an allowance update. This is not
         * required by the ERC. See {xref-ERC20-_approve-address-address-uint256-bool-}[_approve].
         *
         * NOTE: Does not update the allowance if the current allowance
         * is the maximum `uint256`.
         *
         * Requirements:
         *
         * - `from` and `to` cannot be the zero address.
         * - `from` must have a balance of at least `value`.
         * - the caller must have allowance for ``from``'s tokens of at least
         * `value`.
         */
        function transferFrom(address from, address to, uint256 value) public virtual returns (bool) {
            address spender = _msgSender();
            _spendAllowance(from, spender, value);
            _transfer(from, to, value);
            return true;
        }
        /**
         * @dev Moves a `value` amount of tokens from `from` to `to`.
         *
         * This internal function is equivalent to {transfer}, and can be used to
         * e.g. implement automatic token fees, slashing mechanisms, etc.
         *
         * Emits a {Transfer} event.
         *
         * NOTE: This function is not virtual, {_update} should be overridden instead.
         */
        function _transfer(address from, address to, uint256 value) internal {
            if (from == address(0)) {
                revert ERC20InvalidSender(address(0));
            }
            if (to == address(0)) {
                revert ERC20InvalidReceiver(address(0));
            }
            _update(from, to, value);
        }
        /**
         * @dev Transfers a `value` amount of tokens from `from` to `to`, or alternatively mints (or burns) if `from`
         * (or `to`) is the zero address. All customizations to transfers, mints, and burns should be done by overriding
         * this function.
         *
         * Emits a {Transfer} event.
         */
        function _update(address from, address to, uint256 value) internal virtual {
            if (from == address(0)) {
                // Overflow check required: The rest of the code assumes that totalSupply never overflows
                _totalSupply += value;
            } else {
                uint256 fromBalance = _balances[from];
                if (fromBalance < value) {
                    revert ERC20InsufficientBalance(from, fromBalance, value);
                }
                unchecked {
                    // Overflow not possible: value <= fromBalance <= totalSupply.
                    _balances[from] = fromBalance - value;
                }
            }
            if (to == address(0)) {
                unchecked {
                    // Overflow not possible: value <= totalSupply or value <= fromBalance <= totalSupply.
                    _totalSupply -= value;
                }
            } else {
                unchecked {
                    // Overflow not possible: balance + value is at most totalSupply, which we know fits into a uint256.
                    _balances[to] += value;
                }
            }
            emit Transfer(from, to, value);
        }
        /**
         * @dev Creates a `value` amount of tokens and assigns them to `account`, by transferring it from address(0).
         * Relies on the `_update` mechanism
         *
         * Emits a {Transfer} event with `from` set to the zero address.
         *
         * NOTE: This function is not virtual, {_update} should be overridden instead.
         */
        function _mint(address account, uint256 value) internal {
            if (account == address(0)) {
                revert ERC20InvalidReceiver(address(0));
            }
            _update(address(0), account, value);
        }
        /**
         * @dev Destroys a `value` amount of tokens from `account`, lowering the total supply.
         * Relies on the `_update` mechanism.
         *
         * Emits a {Transfer} event with `to` set to the zero address.
         *
         * NOTE: This function is not virtual, {_update} should be overridden instead
         */
        function _burn(address account, uint256 value) internal {
            if (account == address(0)) {
                revert ERC20InvalidSender(address(0));
            }
            _update(account, address(0), value);
        }
        /**
         * @dev Sets `value` as the allowance of `spender` over the `owner`'s tokens.
         *
         * This internal function is equivalent to `approve`, and can be used to
         * e.g. set automatic allowances for certain subsystems, etc.
         *
         * Emits an {Approval} event.
         *
         * Requirements:
         *
         * - `owner` cannot be the zero address.
         * - `spender` cannot be the zero address.
         *
         * Overrides to this logic should be done to the variant with an additional `bool emitEvent` argument.
         */
        function _approve(address owner, address spender, uint256 value) internal {
            _approve(owner, spender, value, true);
        }
        /**
         * @dev Variant of {_approve} with an optional flag to enable or disable the {Approval} event.
         *
         * By default (when calling {_approve}) the flag is set to true. On the other hand, approval changes made by
         * `_spendAllowance` during the `transferFrom` operation set the flag to false. This saves gas by not emitting any
         * `Approval` event during `transferFrom` operations.
         *
         * Anyone who wishes to continue emitting `Approval` events on the`transferFrom` operation can force the flag to
         * true using the following override:
         *
         * ```solidity
         * function _approve(address owner, address spender, uint256 value, bool) internal virtual override {
         *     super._approve(owner, spender, value, true);
         * }
         * ```
         *
         * Requirements are the same as {_approve}.
         */
        function _approve(address owner, address spender, uint256 value, bool emitEvent) internal virtual {
            if (owner == address(0)) {
                revert ERC20InvalidApprover(address(0));
            }
            if (spender == address(0)) {
                revert ERC20InvalidSpender(address(0));
            }
            _allowances[owner][spender] = value;
            if (emitEvent) {
                emit Approval(owner, spender, value);
            }
        }
        /**
         * @dev Updates `owner`'s allowance for `spender` based on spent `value`.
         *
         * Does not update the allowance value in case of infinite allowance.
         * Revert if not enough allowance is available.
         *
         * Does not emit an {Approval} event.
         */
        function _spendAllowance(address owner, address spender, uint256 value) internal virtual {
            uint256 currentAllowance = allowance(owner, spender);
            if (currentAllowance < type(uint256).max) {
                if (currentAllowance < value) {
                    revert ERC20InsufficientAllowance(spender, currentAllowance, value);
                }
                unchecked {
                    _approve(owner, spender, currentAllowance - value, false);
                }
            }
        }
    }
    // SPDX-License-Identifier: MIT
    // OpenZeppelin Contracts (last updated v5.0.0) (token/ERC20/extensions/ERC20Burnable.sol)
    pragma solidity ^0.8.20;
    import {ERC20} from "../ERC20.sol";
    import {Context} from "../../../utils/Context.sol";
    /**
     * @dev Extension of {ERC20} that allows token holders to destroy both their own
     * tokens and those that they have an allowance for, in a way that can be
     * recognized off-chain (via event analysis).
     */
    abstract contract ERC20Burnable is Context, ERC20 {
        /**
         * @dev Destroys a `value` amount of tokens from the caller.
         *
         * See {ERC20-_burn}.
         */
        function burn(uint256 value) public virtual {
            _burn(_msgSender(), value);
        }
        /**
         * @dev Destroys a `value` amount of tokens from `account`, deducting from
         * the caller's allowance.
         *
         * See {ERC20-_burn} and {ERC20-allowance}.
         *
         * Requirements:
         *
         * - the caller must have allowance for ``accounts``'s tokens of at least
         * `value`.
         */
        function burnFrom(address account, uint256 value) public virtual {
            _spendAllowance(account, _msgSender(), value);
            _burn(account, value);
        }
    }
    // SPDX-License-Identifier: MIT
    // OpenZeppelin Contracts (last updated v5.0.1) (utils/Context.sol)
    pragma solidity ^0.8.20;
    /**
     * @dev Provides information about the current execution context, including the
     * sender of the transaction and its data. While these are generally available
     * via msg.sender and msg.data, they should not be accessed in such a direct
     * manner, since when dealing with meta-transactions the account sending and
     * paying for execution may not be the actual sender (as far as an application
     * is concerned).
     *
     * This contract is only required for intermediate, library-like contracts.
     */
    abstract contract Context {
        function _msgSender() internal view virtual returns (address) {
            return msg.sender;
        }
        function _msgData() internal view virtual returns (bytes calldata) {
            return msg.data;
        }
        function _contextSuffixLength() internal view virtual returns (uint256) {
            return 0;
        }
    }
    // SPDX-License-Identifier: MIT
    // OpenZeppelin Contracts (last updated v5.1.0) (interfaces/draft-IERC6093.sol)
    pragma solidity ^0.8.20;
    /**
     * @dev Standard ERC-20 Errors
     * Interface of the https://eips.ethereum.org/EIPS/eip-6093[ERC-6093] custom errors for ERC-20 tokens.
     */
    interface IERC20Errors {
        /**
         * @dev Indicates an error related to the current `balance` of a `sender`. Used in transfers.
         * @param sender Address whose tokens are being transferred.
         * @param balance Current balance for the interacting account.
         * @param needed Minimum amount required to perform a transfer.
         */
        error ERC20InsufficientBalance(address sender, uint256 balance, uint256 needed);
        /**
         * @dev Indicates a failure with the token `sender`. Used in transfers.
         * @param sender Address whose tokens are being transferred.
         */
        error ERC20InvalidSender(address sender);
        /**
         * @dev Indicates a failure with the token `receiver`. Used in transfers.
         * @param receiver Address to which tokens are being transferred.
         */
        error ERC20InvalidReceiver(address receiver);
        /**
         * @dev Indicates a failure with the `spender`’s `allowance`. Used in transfers.
         * @param spender Address that may be allowed to operate on tokens without being their owner.
         * @param allowance Amount of tokens a `spender` is allowed to operate with.
         * @param needed Minimum amount required to perform a transfer.
         */
        error ERC20InsufficientAllowance(address spender, uint256 allowance, uint256 needed);
        /**
         * @dev Indicates a failure with the `approver` of a token to be approved. Used in approvals.
         * @param approver Address initiating an approval operation.
         */
        error ERC20InvalidApprover(address approver);
        /**
         * @dev Indicates a failure with the `spender` to be approved. Used in approvals.
         * @param spender Address that may be allowed to operate on tokens without being their owner.
         */
        error ERC20InvalidSpender(address spender);
    }
    /**
     * @dev Standard ERC-721 Errors
     * Interface of the https://eips.ethereum.org/EIPS/eip-6093[ERC-6093] custom errors for ERC-721 tokens.
     */
    interface IERC721Errors {
        /**
         * @dev Indicates that an address can't be an owner. For example, `address(0)` is a forbidden owner in ERC-20.
         * Used in balance queries.
         * @param owner Address of the current owner of a token.
         */
        error ERC721InvalidOwner(address owner);
        /**
         * @dev Indicates a `tokenId` whose `owner` is the zero address.
         * @param tokenId Identifier number of a token.
         */
        error ERC721NonexistentToken(uint256 tokenId);
        /**
         * @dev Indicates an error related to the ownership over a particular token. Used in transfers.
         * @param sender Address whose tokens are being transferred.
         * @param tokenId Identifier number of a token.
         * @param owner Address of the current owner of a token.
         */
        error ERC721IncorrectOwner(address sender, uint256 tokenId, address owner);
        /**
         * @dev Indicates a failure with the token `sender`. Used in transfers.
         * @param sender Address whose tokens are being transferred.
         */
        error ERC721InvalidSender(address sender);
        /**
         * @dev Indicates a failure with the token `receiver`. Used in transfers.
         * @param receiver Address to which tokens are being transferred.
         */
        error ERC721InvalidReceiver(address receiver);
        /**
         * @dev Indicates a failure with the `operator`’s approval. Used in transfers.
         * @param operator Address that may be allowed to operate on tokens without being their owner.
         * @param tokenId Identifier number of a token.
         */
        error ERC721InsufficientApproval(address operator, uint256 tokenId);
        /**
         * @dev Indicates a failure with the `approver` of a token to be approved. Used in approvals.
         * @param approver Address initiating an approval operation.
         */
        error ERC721InvalidApprover(address approver);
        /**
         * @dev Indicates a failure with the `operator` to be approved. Used in approvals.
         * @param operator Address that may be allowed to operate on tokens without being their owner.
         */
        error ERC721InvalidOperator(address operator);
    }
    /**
     * @dev Standard ERC-1155 Errors
     * Interface of the https://eips.ethereum.org/EIPS/eip-6093[ERC-6093] custom errors for ERC-1155 tokens.
     */
    interface IERC1155Errors {
        /**
         * @dev Indicates an error related to the current `balance` of a `sender`. Used in transfers.
         * @param sender Address whose tokens are being transferred.
         * @param balance Current balance for the interacting account.
         * @param needed Minimum amount required to perform a transfer.
         * @param tokenId Identifier number of a token.
         */
        error ERC1155InsufficientBalance(address sender, uint256 balance, uint256 needed, uint256 tokenId);
        /**
         * @dev Indicates a failure with the token `sender`. Used in transfers.
         * @param sender Address whose tokens are being transferred.
         */
        error ERC1155InvalidSender(address sender);
        /**
         * @dev Indicates a failure with the token `receiver`. Used in transfers.
         * @param receiver Address to which tokens are being transferred.
         */
        error ERC1155InvalidReceiver(address receiver);
        /**
         * @dev Indicates a failure with the `operator`’s approval. Used in transfers.
         * @param operator Address that may be allowed to operate on tokens without being their owner.
         * @param owner Address of the current owner of a token.
         */
        error ERC1155MissingApprovalForAll(address operator, address owner);
        /**
         * @dev Indicates a failure with the `approver` of a token to be approved. Used in approvals.
         * @param approver Address initiating an approval operation.
         */
        error ERC1155InvalidApprover(address approver);
        /**
         * @dev Indicates a failure with the `operator` to be approved. Used in approvals.
         * @param operator Address that may be allowed to operate on tokens without being their owner.
         */
        error ERC1155InvalidOperator(address operator);
        /**
         * @dev Indicates an array length mismatch between ids and values in a safeBatchTransferFrom operation.
         * Used in batch transfers.
         * @param idsLength Length of the array of token identifiers
         * @param valuesLength Length of the array of token amounts
         */
        error ERC1155InvalidArrayLength(uint256 idsLength, uint256 valuesLength);
    }
    // SPDX-License-Identifier: MIT
    // OpenZeppelin Contracts (last updated v5.1.0) (token/ERC20/extensions/IERC20Metadata.sol)
    pragma solidity ^0.8.20;
    import {IERC20} from "../IERC20.sol";
    /**
     * @dev Interface for the optional metadata functions from the ERC-20 standard.
     */
    interface IERC20Metadata is IERC20 {
        /**
         * @dev Returns the name of the token.
         */
        function name() external view returns (string memory);
        /**
         * @dev Returns the symbol of the token.
         */
        function symbol() external view returns (string memory);
        /**
         * @dev Returns the decimals places of the token.
         */
        function decimals() external view returns (uint8);
    }
    // SPDX-License-Identifier: MIT
    // OpenZeppelin Contracts (last updated v5.1.0) (token/ERC20/IERC20.sol)
    pragma solidity ^0.8.20;
    /**
     * @dev Interface of the ERC-20 standard as defined in the ERC.
     */
    interface IERC20 {
        /**
         * @dev Emitted when `value` tokens are moved from one account (`from`) to
         * another (`to`).
         *
         * Note that `value` may be zero.
         */
        event Transfer(address indexed from, address indexed to, uint256 value);
        /**
         * @dev Emitted when the allowance of a `spender` for an `owner` is set by
         * a call to {approve}. `value` is the new allowance.
         */
        event Approval(address indexed owner, address indexed spender, uint256 value);
        /**
         * @dev Returns the value of tokens in existence.
         */
        function totalSupply() external view returns (uint256);
        /**
         * @dev Returns the value of tokens owned by `account`.
         */
        function balanceOf(address account) external view returns (uint256);
        /**
         * @dev Moves a `value` amount of tokens from the caller's account to `to`.
         *
         * Returns a boolean value indicating whether the operation succeeded.
         *
         * Emits a {Transfer} event.
         */
        function transfer(address to, uint256 value) external returns (bool);
        /**
         * @dev Returns the remaining number of tokens that `spender` will be
         * allowed to spend on behalf of `owner` through {transferFrom}. This is
         * zero by default.
         *
         * This value changes when {approve} or {transferFrom} are called.
         */
        function allowance(address owner, address spender) external view returns (uint256);
        /**
         * @dev Sets a `value` amount of tokens as the allowance of `spender` over the
         * caller's tokens.
         *
         * Returns a boolean value indicating whether the operation succeeded.
         *
         * IMPORTANT: Beware that changing an allowance with this method brings the risk
         * that someone may use both the old and the new allowance by unfortunate
         * transaction ordering. One possible solution to mitigate this race
         * condition is to first reduce the spender's allowance to 0 and set the
         * desired value afterwards:
         * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
         *
         * Emits an {Approval} event.
         */
        function approve(address spender, uint256 value) external returns (bool);
        /**
         * @dev Moves a `value` amount of tokens from `from` to `to` using the
         * allowance mechanism. `value` is then deducted from the caller's
         * allowance.
         *
         * Returns a boolean value indicating whether the operation succeeded.
         *
         * Emits a {Transfer} event.
         */
        function transferFrom(address from, address to, uint256 value) external returns (bool);
    }
    

    File 3 of 3: FiatTokenProxy
    pragma solidity ^0.4.24;
    
    // File: zos-lib/contracts/upgradeability/Proxy.sol
    
    /**
     * @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
    
    /**
     * 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
    
    /**
     * @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
    
    /**
     * @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
    *
    * 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) {
        }
    }