Contract Source Code (Solidity Standard Json-Input format)

IDE

• Blockscan IDE
• 🤖 Code ReaderBeta
• Remix IDE

More Options

• Is this a proxy?
• Similar
• Sol2Uml
• Submit Audit
• Compare

/**
 * SPDX-License-Identifier: Apache-2.0
 *
 * Copyright (c) 2023, Circle Internet Financial, LLC.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

pragma solidity 0.6.12;

import { SafeMath } from "@openzeppelin/contracts/math/SafeMath.sol";
import { AbstractFiatTokenV1 } from "./AbstractFiatTokenV1.sol";
import { Ownable } from "./Ownable.sol";
import { Pausable } from "./Pausable.sol";
import { Blacklistable } from "./Blacklistable.sol";
import { Rescuable } from "../v1.1/Rescuable.sol";
import { EIP712 } from "../util/EIP712.sol";
import { EIP3009 } from "../v2/EIP3009.sol";
import { EIP2612 } from "../v2/EIP2612.sol";
import { EIP712Domain } from "../v2/EIP712Domain.sol"; // solhint-disable-line no-unused-import

/**
 * @title VUSDFiatToken
 * @dev ERC20 Token backed by fiat reserves
 */
contract VUSDFiatToken is AbstractFiatTokenV1, Ownable, Pausable, Blacklistable, Rescuable, EIP3009, EIP2612 {
    using SafeMath for uint256;

    string public name;
    string public symbol;
    uint8 public decimals;
    string public currency;
    address public masterMinter;
    bool internal initialized;

    /// @dev A mapping that stores the balance and blacklist states for a given address.
    /// The first bit defines whether the address is blacklisted (1 if blacklisted, 0 otherwise).
    /// The last 255 bits define the balance for the address.
    mapping(address => uint256) internal balanceAndBlacklistStates;
    mapping(address => mapping(address => uint256)) internal allowed;
    uint256 internal totalSupply_ = 0;
    mapping(address => bool) internal minters;
    mapping(address => uint256) internal minterAllowed;

    uint8 internal _initializedVersion;

    event Mint(address indexed minter, address indexed to, uint256 amount);
    event Burn(address indexed burner, uint256 amount);
    event MinterConfigured(address indexed minter, uint256 minterAllowedAmount);
    event MinterRemoved(address indexed oldMinter);
    event MasterMinterChanged(address indexed newMasterMinter);

    /**
     * @notice Initializes the fiat token contract.
     * @param tokenName       The name of the fiat token.
     * @param tokenSymbol     The symbol of the fiat token.
     * @param tokenCurrency   The fiat currency that the token represents.
     * @param tokenDecimals   The number of decimals that the token uses.
     * @param newMasterMinter The masterMinter address for the fiat token.
     * @param newPauser       The pauser address for the fiat token.
     * @param newBlacklister  The blacklister address for the fiat token.
     * @param newOwner        The owner of the fiat token.
     */
    function initialize(
        string memory tokenName,
        string memory tokenSymbol,
        string memory tokenCurrency,
        uint8 tokenDecimals,
        address newMasterMinter,
        address newPauser,
        address newBlacklister,
        address newOwner
    ) public {
        require(!initialized, "FiatToken: contract is already initialized");
        require(_initializedVersion == 0);
        require(
            newMasterMinter != address(0),
            "FiatToken: new masterMinter is the zero address"
        );
        require(
            newPauser != address(0),
            "FiatToken: new pauser is the zero address"
        );
        require(
            newBlacklister != address(0),
            "FiatToken: new blacklister is the zero address"
        );
        require(
            newOwner != address(0),
            "FiatToken: new owner is the zero address"
        );

        name = tokenName;
        symbol = tokenSymbol;
        currency = tokenCurrency;
        decimals = tokenDecimals;
        masterMinter = newMasterMinter;
        pauser = newPauser;
        blacklister = newBlacklister;
        setOwner(newOwner);
        initialized = true;

        _blacklist(address(this));

        _initializedVersion = 1;
    }

    /**
     * @notice Version string for the EIP712 domain separator
     * @return Version string
     */
    function version() external pure returns (string memory) {
        return "1";
    }

    /**
     * @dev Throws if called by any account other than a minter.
     */
    modifier onlyMinters() {
        require(minters[msg.sender], "FiatToken: caller is not a minter");
        _;
    }

    /**
     * @notice Mints fiat tokens to an address.
     * @param _to The address that will receive the minted tokens.
     * @param _amount The amount of tokens to mint. Must be less than or equal
     * to the minterAllowance of the caller.
     * @return True if the operation was successful.
     */
    function mint(address _to, uint256 _amount)
        external
        whenNotPaused
        onlyMinters
        notBlacklisted(msg.sender)
        notBlacklisted(_to)
        returns (bool)
    {
        require(_to != address(0), "FiatToken: mint to the zero address");
        require(_amount > 0, "FiatToken: mint amount not greater than 0");

        uint256 mintingAllowedAmount = minterAllowed[msg.sender];
        require(
            _amount <= mintingAllowedAmount,
            "FiatToken: mint amount exceeds minterAllowance"
        );

        totalSupply_ = totalSupply_.add(_amount);
        _setBalance(_to, _balanceOf(_to).add(_amount));
        minterAllowed[msg.sender] = mintingAllowedAmount.sub(_amount);
        emit Mint(msg.sender, _to, _amount);
        emit Transfer(address(0), _to, _amount);
        return true;
    }

    /**
     * @dev Throws if called by any account other than the masterMinter
     */
    modifier onlyMasterMinter() {
        require(
            msg.sender == masterMinter,
            "FiatToken: caller is not the masterMinter"
        );
        _;
    }

    /**
     * @notice Gets the minter allowance for an account.
     * @param minter The address to check.
     * @return The remaining minter allowance for the account.
     */
    function minterAllowance(address minter) external view returns (uint256) {
        return minterAllowed[minter];
    }

    /**
     * @notice Checks if an account is a minter.
     * @param account The address to check.
     * @return True if the account is a minter, false if the account is not a minter.
     */
    function isMinter(address account) external view returns (bool) {
        return minters[account];
    }

    /**
     * @notice Gets the remaining amount of fiat tokens a spender is allowed to transfer on
     * behalf of the token owner.
     * @param owner   The token owner's address.
     * @param spender The spender's address.
     * @return The remaining allowance.
     */
    function allowance(address owner, address spender)
        external
        override
        view
        returns (uint256)
    {
        return allowed[owner][spender];
    }

    /**
     * @notice Gets the totalSupply of the fiat token.
     * @return The totalSupply of the fiat token.
     */
    function totalSupply() external override view returns (uint256) {
        return totalSupply_;
    }

    /**
     * @notice Gets the fiat token balance of an account.
     * @param account  The address to check.
     * @return balance The fiat token balance of the account.
     */
    function balanceOf(address account)
        external
        override
        view
        returns (uint256)
    {
        return _balanceOf(account);
    }

    /**
     * @dev Internal function to set allowance.
     * @param owner     Token owner's address.
     * @param spender   Spender's address.
     * @param value     Allowance amount.
     */
    function _approve(
        address owner,
        address spender,
        uint256 value
    ) internal override {
        require(owner != address(0), "ERC20: approve from the zero address");
        require(spender != address(0), "ERC20: approve to the zero address");
        allowed[owner][spender] = value;
        emit Approval(owner, spender, value);
    }

    /**
     * @notice Transfers tokens from an address to another by spending the caller's allowance.
     * @dev The caller must have some fiat token allowance on the payer's tokens.
     * @param from  Payer's address.
     * @param to    Payee's address.
     * @param value Transfer amount.
     * @return True if the operation was successful.
     */
    function transferFrom(
        address from,
        address to,
        uint256 value
    )
        external
        override
        whenNotPaused
        notBlacklisted(msg.sender)
        notBlacklisted(from)
        notBlacklisted(to)
        returns (bool)
    {
        require(
            value <= allowed[from][msg.sender],
            "ERC20: transfer amount exceeds allowance"
        );
        _transfer(from, to, value);
        allowed[from][msg.sender] = allowed[from][msg.sender].sub(value);
        return true;
    }

    /**
     * @notice Transfers tokens from the caller.
     * @param to    Payee's address.
     * @param value Transfer amount.
     * @return True if the operation was successful.
     */
    function transfer(address to, uint256 value)
        external
        override
        whenNotPaused
        notBlacklisted(msg.sender)
        notBlacklisted(to)
        returns (bool)
    {
        _transfer(msg.sender, to, value);
        return true;
    }

    /**
     * @dev Internal function to process transfers.
     * @param from  Payer's address.
     * @param to    Payee's address.
     * @param value Transfer amount.
     */
    function _transfer(
        address from,
        address to,
        uint256 value
    ) internal override {
        require(from != address(0), "ERC20: transfer from the zero address");
        require(to != address(0), "ERC20: transfer to the zero address");
        require(
            value <= _balanceOf(from),
            "ERC20: transfer amount exceeds balance"
        );

        _setBalance(from, _balanceOf(from).sub(value));
        _setBalance(to, _balanceOf(to).add(value));
        emit Transfer(from, to, value);
    }

    /**
     * @notice Adds or updates a new minter with a mint allowance.
     * @param minter The address of the minter.
     * @param minterAllowedAmount The minting amount allowed for the minter.
     * @return True if the operation was successful.
     */
    function configureMinter(address minter, uint256 minterAllowedAmount)
        external
        whenNotPaused
        onlyMasterMinter
        returns (bool)
    {
        minters[minter] = true;
        minterAllowed[minter] = minterAllowedAmount;
        emit MinterConfigured(minter, minterAllowedAmount);
        return true;
    }

    /**
     * @notice Removes a minter.
     * @param minter The address of the minter to remove.
     * @return True if the operation was successful.
     */
    function removeMinter(address minter)
        external
        onlyMasterMinter
        returns (bool)
    {
        minters[minter] = false;
        minterAllowed[minter] = 0;
        emit MinterRemoved(minter);
        return true;
    }

    /**
     * @notice Allows a minter to burn some of its own tokens.
     * @dev The caller must be a minter, must not be blacklisted, and the amount to burn
     * should be less than or equal to the account's balance.
     * @param _amount the amount of tokens to be burned.
     */
    function burn(uint256 _amount)
        external
        whenNotPaused
        onlyMinters
        notBlacklisted(msg.sender)
    {
        uint256 balance = _balanceOf(msg.sender);
        require(_amount > 0, "FiatToken: burn amount not greater than 0");
        require(balance >= _amount, "FiatToken: burn amount exceeds balance");

        totalSupply_ = totalSupply_.sub(_amount);
        _setBalance(msg.sender, balance.sub(_amount));
        emit Burn(msg.sender, _amount);
        emit Transfer(msg.sender, address(0), _amount);
    }

    /**
     * @notice Updates the master minter address.
     * @param _newMasterMinter The address of the new master minter.
     */
    function updateMasterMinter(address _newMasterMinter) external onlyOwner {
        require(
            _newMasterMinter != address(0),
            "FiatToken: new masterMinter is the zero address"
        );
        masterMinter = _newMasterMinter;
        emit MasterMinterChanged(masterMinter);
    }

    /**
     * @inheritdoc Blacklistable
     */
    function _blacklist(address _account) internal override {
        _setBlacklistState(_account, true);
    }

    /**
     * @inheritdoc Blacklistable
     */
    function _unBlacklist(address _account) internal override {
        _setBlacklistState(_account, false);
    }

    /**
     * @notice Execute a transfer with a signed authorization
     * @param from          Payer's address (Authorizer)
     * @param to            Payee's address
     * @param value         Amount to be transferred
     * @param validAfter    The time after which this is valid (unix time)
     * @param validBefore   The time before which this is valid (unix time)
     * @param nonce         Unique nonce
     * @param v             v of the signature
     * @param r             r of the signature
     * @param s             s of the signature
     */
    function transferWithAuthorization(
        address from,
        address to,
        uint256 value,
        uint256 validAfter,
        uint256 validBefore,
        bytes32 nonce,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) external whenNotPaused notBlacklisted(from) notBlacklisted(to) {
        _transferWithAuthorization(
            from,
            to,
            value,
            validAfter,
            validBefore,
            nonce,
            v,
            r,
            s
        );
    }

    /**
     * @notice Receive a transfer with a signed authorization from the payer
     * @dev This has an additional check to ensure that the payee's address
     * matches the caller of this function to prevent front-running attacks.
     * @param from          Payer's address (Authorizer)
     * @param to            Payee's address
     * @param value         Amount to be transferred
     * @param validAfter    The time after which this is valid (unix time)
     * @param validBefore   The time before which this is valid (unix time)
     * @param nonce         Unique nonce
     * @param v             v of the signature
     * @param r             r of the signature
     * @param s             s of the signature
     */
    function receiveWithAuthorization(
        address from,
        address to,
        uint256 value,
        uint256 validAfter,
        uint256 validBefore,
        bytes32 nonce,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) external whenNotPaused notBlacklisted(from) notBlacklisted(to) {
        _receiveWithAuthorization(
            from,
            to,
            value,
            validAfter,
            validBefore,
            nonce,
            v,
            r,
            s
        );
    }

    /**
     * @notice Attempt to cancel an authorization
     * @dev Works only if the authorization is not yet used.
     * @param authorizer    Authorizer's address
     * @param nonce         Nonce of the authorization
     * @param v             v of the signature
     * @param r             r of the signature
     * @param s             s of the signature
     */
    function cancelAuthorization(
        address authorizer,
        bytes32 nonce,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) external whenNotPaused {
        _cancelAuthorization(authorizer, nonce, v, r, s);
    }

    /**
     * @dev Internal function to increase the allowance by a given increment
     * @param owner     Token owner's address
     * @param spender   Spender's address
     * @param increment Amount of increase
     */
    function _increaseAllowance(
        address owner,
        address spender,
        uint256 increment
    ) internal override {
        _approve(owner, spender, allowed[owner][spender].add(increment));
    }

    /**
     * @dev Internal function to decrease the allowance by a given decrement
     * @param owner     Token owner's address
     * @param spender   Spender's address
     * @param decrement Amount of decrease
     */
    function _decreaseAllowance(
        address owner,
        address spender,
        uint256 decrement
    ) internal override {
        _approve(
            owner,
            spender,
            allowed[owner][spender].sub(
                decrement,
                "ERC20: decreased allowance below zero"
            )
        );
    }

    /**
     * @dev Internal function to get the current chain id.
     * @return The current chain id.
     */
    function _chainId() internal virtual view returns (uint256) {
        uint256 chainId;
        assembly {
            chainId := chainid()
        }
        return chainId;
    }

    /**
     * @inheritdoc EIP712Domain
     */
    function _domainSeparator() internal override view returns (bytes32) {
        return EIP712.makeDomainSeparator(name, "1", _chainId());
    }

    /**
     * @notice Update allowance with a signed permit
     * @dev EOA wallet signatures should be packed in the order of r, s, v.
     * @param owner       Token owner's address (Authorizer)
     * @param spender     Spender's address
     * @param value       Amount of allowance
     * @param deadline    The time at which the signature expires (unix time), or max uint256 value to signal no expiration
     * @param signature   Signature bytes signed by an EOA wallet or a contract wallet
     */
    function permit(
        address owner,
        address spender,
        uint256 value,
        uint256 deadline,
        bytes memory signature
    ) external whenNotPaused {
        _permit(owner, spender, value, deadline, signature);
    }

    /**
     * @notice Execute a transfer with a signed authorization
     * @dev EOA wallet signatures should be packed in the order of r, s, v.
     * @param from          Payer's address (Authorizer)
     * @param to            Payee's address
     * @param value         Amount to be transferred
     * @param validAfter    The time after which this is valid (unix time)
     * @param validBefore   The time before which this is valid (unix time)
     * @param nonce         Unique nonce
     * @param signature     Signature bytes signed by an EOA wallet or a contract wallet
     */
    function transferWithAuthorization(
        address from,
        address to,
        uint256 value,
        uint256 validAfter,
        uint256 validBefore,
        bytes32 nonce,
        bytes memory signature
    ) external whenNotPaused notBlacklisted(from) notBlacklisted(to) {
        _transferWithAuthorization(
            from,
            to,
            value,
            validAfter,
            validBefore,
            nonce,
            signature
        );
    }

    /**
     * @notice Receive a transfer with a signed authorization from the payer
     * @dev This has an additional check to ensure that the payee's address
     * matches the caller of this function to prevent front-running attacks.
     * EOA wallet signatures should be packed in the order of r, s, v.
     * @param from          Payer's address (Authorizer)
     * @param to            Payee's address
     * @param value         Amount to be transferred
     * @param validAfter    The time after which this is valid (unix time)
     * @param validBefore   The time before which this is valid (unix time)
     * @param nonce         Unique nonce
     * @param signature     Signature bytes signed by an EOA wallet or a contract wallet
     */
    function receiveWithAuthorization(
        address from,
        address to,
        uint256 value,
        uint256 validAfter,
        uint256 validBefore,
        bytes32 nonce,
        bytes memory signature
    ) external whenNotPaused notBlacklisted(from) notBlacklisted(to) {
        _receiveWithAuthorization(
            from,
            to,
            value,
            validAfter,
            validBefore,
            nonce,
            signature
        );
    }

    /**
     * @notice Attempt to cancel an authorization
     * @dev Works only if the authorization is not yet used.
     * EOA wallet signatures should be packed in the order of r, s, v.
     * @param authorizer    Authorizer's address
     * @param nonce         Nonce of the authorization
     * @param signature     Signature bytes signed by an EOA wallet or a contract wallet
     */
    function cancelAuthorization(
        address authorizer,
        bytes32 nonce,
        bytes memory signature
    ) external whenNotPaused {
        _cancelAuthorization(authorizer, nonce, signature);
    }

    /**
     * @dev Helper method that sets the blacklist state of an account on balanceAndBlacklistStates.
     * If _shouldBlacklist is true, we apply a (1 << 255) bitmask with an OR operation on the
     * account's balanceAndBlacklistState. This flips the high bit for the account to 1,
     * indicating that the account is blacklisted.
     *
     * If _shouldBlacklist if false, we reset the account's balanceAndBlacklistStates to their
     * balances. This clears the high bit for the account, indicating that the account is unblacklisted.
     * @param _account         The address of the account.
     * @param _shouldBlacklist True if the account should be blacklisted, false if the account should be unblacklisted.
     */
    function _setBlacklistState(address _account, bool _shouldBlacklist)
        internal
        virtual
    {
        balanceAndBlacklistStates[_account] = _shouldBlacklist
            ? balanceAndBlacklistStates[_account] | (1 << 255)
            : _balanceOf(_account);
    }

    /**
     * @dev Helper method that sets the balance of an account on balanceAndBlacklistStates.
     * Since balances are stored in the last 255 bits of the balanceAndBlacklistStates value,
     * we need to ensure that the updated balance does not exceed (2^255 - 1).
     * Since blacklisted accounts' balances cannot be updated, the method will also
     * revert if the account is blacklisted
     * @param _account The address of the account.
     * @param _balance The new fiat token balance of the account (max: (2^255 - 1)).
     */
    function _setBalance(address _account, uint256 _balance) internal virtual {
        require(
            _balance <= ((1 << 255) - 1),
            "FiatTokenV2_2: Balance exceeds (2^255 - 1)"
        );
        require(
            !_isBlacklisted(_account),
            "FiatTokenV2_2: Account is blacklisted"
        );

        balanceAndBlacklistStates[_account] = _balance;
    }

    /**
     * @inheritdoc Blacklistable
     */
    function _isBlacklisted(address _account)
        internal
        override
        view
        returns (bool)
    {
        return balanceAndBlacklistStates[_account] >> 255 == 1;
    }

    /**
     * @dev Helper method to obtain the balance of an account. Since balances
     * are stored in the last 255 bits of the balanceAndBlacklistStates value,
     * we apply a ((1 << 255) - 1) bit bitmask with an AND operation on the
     * balanceAndBlacklistState to obtain the balance.
     * @param _account  The address of the account.
     * @return          The fiat token balance of the account.
     */
    function _balanceOf(address _account)
        internal
        virtual
        view
        returns (uint256)
    {
        return balanceAndBlacklistStates[_account] & ((1 << 255) - 1);
    }

    /**
     * @notice Sets a fiat token allowance for a spender to spend on behalf of the caller.
     * @param spender The spender's address.
     * @param value   The allowance amount.
     * @return True if the operation was successful.
     */
    function approve(address spender, uint256 value)
        external
        override
        whenNotPaused
        returns (bool)
    {
        _approve(msg.sender, spender, value);
        return true;
    }

    /**
     * @notice Update allowance with a signed permit
     * @param owner       Token owner's address (Authorizer)
     * @param spender     Spender's address
     * @param value       Amount of allowance
     * @param deadline    The time at which the signature expires (unix time), or max uint256 value to signal no expiration
     * @param v           v of the signature
     * @param r           r of the signature
     * @param s           s of the signature
     */
    function permit(
        address owner,
        address spender,
        uint256 value,
        uint256 deadline,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) external virtual whenNotPaused {
        _permit(owner, spender, value, deadline, v, r, s);
    }

    function increaseAllowance(address spender, uint256 increment)
        external
        virtual
        whenNotPaused
        returns (bool)
    {
        _increaseAllowance(msg.sender, spender, increment);
        return true;
    }

    /**
     * @notice Decrease the allowance by a given decrement
     * @param spender   Spender's address
     * @param decrement Amount of decrease in allowance
     * @return True if successful
     */
    function decreaseAllowance(address spender, uint256 decrement)
        external
        virtual
        whenNotPaused
        returns (bool)
    {
        _decreaseAllowance(msg.sender, spender, decrement);
        return true;
    }
}

// SPDX-License-Identifier: MIT

pragma solidity >=0.6.0 <0.8.0;

/**
 * @dev Wrappers over Solidity's arithmetic operations with added overflow
 * checks.
 *
 * Arithmetic operations in Solidity wrap on overflow. This can easily result
 * in bugs, because programmers usually assume that an overflow raises an
 * error, which is the standard behavior in high level programming languages.
 * `SafeMath` restores this intuition by reverting the transaction when an
 * operation overflows.
 *
 * Using this library instead of the unchecked operations eliminates an entire
 * class of bugs, so it's recommended to use it always.
 */
library SafeMath {
    /**
     * @dev Returns the addition of two unsigned integers, with an overflow flag.
     *
     * _Available since v3.4._
     */
    function tryAdd(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        uint256 c = a + b;
        if (c < a) return (false, 0);
        return (true, c);
    }

    /**
     * @dev Returns the substraction of two unsigned integers, with an overflow flag.
     *
     * _Available since v3.4._
     */
    function trySub(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        if (b > a) return (false, 0);
        return (true, a - b);
    }

    /**
     * @dev Returns the multiplication of two unsigned integers, with an overflow flag.
     *
     * _Available since v3.4._
     */
    function tryMul(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        // Gas optimization: this is cheaper than requiring 'a' not being zero, but the
        // benefit is lost if 'b' is also tested.
        // See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522
        if (a == 0) return (true, 0);
        uint256 c = a * b;
        if (c / a != b) return (false, 0);
        return (true, c);
    }

    /**
     * @dev Returns the division of two unsigned integers, with a division by zero flag.
     *
     * _Available since v3.4._
     */
    function tryDiv(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        if (b == 0) return (false, 0);
        return (true, a / b);
    }

    /**
     * @dev Returns the remainder of dividing two unsigned integers, with a division by zero flag.
     *
     * _Available since v3.4._
     */
    function tryMod(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        if (b == 0) return (false, 0);
        return (true, a % b);
    }

    /**
     * @dev Returns the addition of two unsigned integers, reverting on
     * overflow.
     *
     * Counterpart to Solidity's `+` operator.
     *
     * Requirements:
     *
     * - Addition cannot overflow.
     */
    function add(uint256 a, uint256 b) internal pure returns (uint256) {
        uint256 c = a + b;
        require(c >= a, "SafeMath: addition overflow");
        return c;
    }

    /**
     * @dev Returns the subtraction of two unsigned integers, reverting on
     * overflow (when the result is negative).
     *
     * Counterpart to Solidity's `-` operator.
     *
     * Requirements:
     *
     * - Subtraction cannot overflow.
     */
    function sub(uint256 a, uint256 b) internal pure returns (uint256) {
        require(b <= a, "SafeMath: subtraction overflow");
        return a - b;
    }

    /**
     * @dev Returns the multiplication of two unsigned integers, reverting on
     * overflow.
     *
     * Counterpart to Solidity's `*` operator.
     *
     * Requirements:
     *
     * - Multiplication cannot overflow.
     */
    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;
    }

    /**
     * @dev Returns the integer division of two unsigned integers, reverting on
     * division by zero. The result is rounded towards zero.
     *
     * Counterpart to Solidity's `/` operator. Note: this function uses a
     * `revert` opcode (which leaves remaining gas untouched) while Solidity
     * uses an invalid opcode to revert (consuming all remaining gas).
     *
     * Requirements:
     *
     * - The divisor cannot be zero.
     */
    function div(uint256 a, uint256 b) internal pure returns (uint256) {
        require(b > 0, "SafeMath: division by zero");
        return a / b;
    }

    /**
     * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
     * reverting when dividing by zero.
     *
     * Counterpart to Solidity's `%` operator. This function uses a `revert`
     * opcode (which leaves remaining gas untouched) while Solidity uses an
     * invalid opcode to revert (consuming all remaining gas).
     *
     * Requirements:
     *
     * - The divisor cannot be zero.
     */
    function mod(uint256 a, uint256 b) internal pure returns (uint256) {
        require(b > 0, "SafeMath: modulo by zero");
        return a % b;
    }

    /**
     * @dev Returns the subtraction of two unsigned integers, reverting with custom message on
     * overflow (when the result is negative).
     *
     * CAUTION: This function is deprecated because it requires allocating memory for the error
     * message unnecessarily. For custom revert reasons use {trySub}.
     *
     * Counterpart to Solidity's `-` operator.
     *
     * Requirements:
     *
     * - Subtraction cannot overflow.
     */
    function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
        require(b <= a, errorMessage);
        return a - b;
    }

    /**
     * @dev Returns the integer division of two unsigned integers, reverting with custom message on
     * division by zero. The result is rounded towards zero.
     *
     * CAUTION: This function is deprecated because it requires allocating memory for the error
     * message unnecessarily. For custom revert reasons use {tryDiv}.
     *
     * Counterpart to Solidity's `/` operator. Note: this function uses a
     * `revert` opcode (which leaves remaining gas untouched) while Solidity
     * uses an invalid opcode to revert (consuming all remaining gas).
     *
     * Requirements:
     *
     * - The divisor cannot be zero.
     */
    function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
        require(b > 0, errorMessage);
        return a / b;
    }

    /**
     * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
     * reverting with custom message when dividing by zero.
     *
     * CAUTION: This function is deprecated because it requires allocating memory for the error
     * message unnecessarily. For custom revert reasons use {tryMod}.
     *
     * Counterpart to Solidity's `%` operator. This function uses a `revert`
     * opcode (which leaves remaining gas untouched) while Solidity uses an
     * invalid opcode to revert (consuming all remaining gas).
     *
     * Requirements:
     *
     * - The divisor cannot be zero.
     */
    function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
        require(b > 0, errorMessage);
        return a % b;
    }
}

// SPDX-License-Identifier: MIT

pragma solidity >=0.6.0 <0.8.0;

/**
 * @dev Interface of the ERC20 standard as defined in the EIP.
 */
interface IERC20 {
    /**
     * @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 `recipient`.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * Emits a {Transfer} event.
     */
    function transfer(address recipient, 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 `sender` to `recipient` 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 sender, address recipient, uint256 amount) external returns (bool);

    /**
     * @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);
}

// SPDX-License-Identifier: MIT

pragma solidity >=0.6.0 <0.8.0;

import "./IERC20.sol";
import "../../math/SafeMath.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 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));
    }

    /**
     * @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'
        // solhint-disable-next-line max-line-length
        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));
    }

    /**
     * @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
            // solhint-disable-next-line max-line-length
            require(abi.decode(returndata, (bool)), "SafeERC20: ERC20 operation did not succeed");
        }
    }
}

// SPDX-License-Identifier: MIT

pragma solidity >=0.6.2 <0.8.0;

/**
 * @dev Collection of functions related to the address type
 */
library Address {
    /**
     * @dev Returns true if `account` is a contract.
     *
     * [IMPORTANT]
     * ====
     * It is unsafe to assume that an address for which this function returns
     * false is an externally-owned account (EOA) and not a contract.
     *
     * Among others, `isContract` will return false for the following
     * types of addresses:
     *
     *  - an externally-owned account
     *  - a contract in construction
     *  - an address where a contract will be created
     *  - an address where a contract lived, but was destroyed
     * ====
     */
    function isContract(address account) internal view returns (bool) {
        // This method relies on extcodesize, which returns 0 for contracts in
        // construction, since the code is only stored at the end of the
        // constructor execution.

        uint256 size;
        // solhint-disable-next-line no-inline-assembly
        assembly { size := extcodesize(account) }
        return size > 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");

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

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

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

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

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

        // solhint-disable-next-line avoid-low-level-calls
        (bool success, bytes memory returndata) = target.call{ value: value }(data);
        return _verifyCallResult(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) {
        require(isContract(target), "Address: static call to non-contract");

        // solhint-disable-next-line avoid-low-level-calls
        (bool success, bytes memory returndata) = target.staticcall(data);
        return _verifyCallResult(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) {
        require(isContract(target), "Address: delegate call to non-contract");

        // solhint-disable-next-line avoid-low-level-calls
        (bool success, bytes memory returndata) = target.delegatecall(data);
        return _verifyCallResult(success, returndata, errorMessage);
    }

    function _verifyCallResult(bool success, bytes memory returndata, string memory errorMessage) private pure returns(bytes memory) {
        if (success) {
            return returndata;
        } else {
            // Look for revert reason and bubble it up if present
            if (returndata.length > 0) {
                // The easiest way to bubble the revert reason is using memory via assembly

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

/**
 * SPDX-License-Identifier: Apache-2.0
 *
 * Copyright (c) 2023, Circle Internet Financial, LLC.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

pragma solidity 0.6.12;

/**
 * @dev Interface of the ERC1271 standard signature validation method for
 * contracts as defined in https://eips.ethereum.org/EIPS/eip-1271[ERC-1271].
 */
interface IERC1271 {
    /**
     * @dev Should return whether the signature provided is valid for the provided data
     * @param hash          Hash of the data to be signed
     * @param signature     Signature byte array associated with the provided data hash
     * @return magicValue   bytes4 magic value 0x1626ba7e when function passes
     */
    function isValidSignature(bytes32 hash, bytes memory signature)
        external
        view
        returns (bytes4 magicValue);
}

/**
 * SPDX-License-Identifier: Apache-2.0
 *
 * Copyright (c) 2023, Circle Internet Financial, LLC.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

pragma solidity 0.6.12;

/**
 * @title ECRecover
 * @notice A library that provides a safe ECDSA recovery function
 */
library ECRecover {
    /**
     * @notice Recover signer's address from a signed message
     * @dev Adapted from: https://github.com/OpenZeppelin/openzeppelin-contracts/blob/65e4ffde586ec89af3b7e9140bdc9235d1254853/contracts/cryptography/ECDSA.sol
     * Modifications: Accept v, r, and s as separate arguments
     * @param digest    Keccak-256 hash digest of the signed message
     * @param v         v of the signature
     * @param r         r of the signature
     * @param s         s of the signature
     * @return Signer address
     */
    function recover(
        bytes32 digest,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) internal pure returns (address) {
        // EIP-2 still allows signature malleability for ecrecover(). Remove this possibility and make the signature
        // unique. Appendix F in the Ethereum Yellow paper (https://ethereum.github.io/yellowpaper/paper.pdf), defines
        // the valid range for s in (281): 0 < s < secp256k1n ÷ 2 + 1, and for v in (282): v ∈ {27, 28}. Most
        // signatures from current libraries generate a unique signature with an s-value in the lower half order.
        //
        // If your library generates malleable signatures, such as s-values in the upper range, calculate a new s-value
        // with 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEBAAEDCE6AF48A03BBFD25E8CD0364141 - s1 and flip v from 27 to 28 or
        // vice versa. If your library also generates signatures with 0/1 for v instead 27/28, add 27 to v to accept
        // these malleable signatures as well.
        if (
            uint256(s) >
            0x7FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF5D576E7357A4501DDFE92F46681B20A0
        ) {
            revert("ECRecover: invalid signature 's' value");
        }

        if (v != 27 && v != 28) {
            revert("ECRecover: invalid signature 'v' value");
        }

        // If the signature is valid (and not malleable), return the signer address
        address signer = ecrecover(digest, v, r, s);
        require(signer != address(0), "ECRecover: invalid signature");

        return signer;
    }

    /**
     * @notice Recover signer's address from a signed message
     * @dev Adapted from: https://github.com/OpenZeppelin/openzeppelin-contracts/blob/0053ee040a7ff1dbc39691c9e67a69f564930a88/contracts/utils/cryptography/ECDSA.sol
     * @param digest    Keccak-256 hash digest of the signed message
     * @param signature Signature byte array associated with hash
     * @return Signer address
     */
    function recover(bytes32 digest, bytes memory signature)
        internal
        pure
        returns (address)
    {
        require(signature.length == 65, "ECRecover: invalid signature length");

        bytes32 r;
        bytes32 s;
        uint8 v;

        // ecrecover takes the signature parameters, and the only way to get them
        // currently is to use assembly.
        /// @solidity memory-safe-assembly
        assembly {
            r := mload(add(signature, 0x20))
            s := mload(add(signature, 0x40))
            v := byte(0, mload(add(signature, 0x60)))
        }
        return recover(digest, v, r, s);
    }
}

/**
 * SPDX-License-Identifier: Apache-2.0
 *
 * Copyright (c) 2023, Circle Internet Financial, LLC.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

pragma solidity 0.6.12;

/**
 * @title EIP712
 * @notice A library that provides EIP712 helper functions
 */
library EIP712 {
    /**
     * @notice Make EIP712 domain separator
     * @param name      Contract name
     * @param version   Contract version
     * @param chainId   Blockchain ID
     * @return Domain separator
     */
    function makeDomainSeparator(
        string memory name,
        string memory version,
        uint256 chainId
    ) internal view returns (bytes32) {
        return
            keccak256(
                abi.encode(
                    // keccak256("EIP712Domain(string name,string version,uint256 chainId,address verifyingContract)")
                    0x8b73c3c69bb8fe3d512ecc4cf759cc79239f7b179b0ffacaa9a75d522b39400f,
                    keccak256(bytes(name)),
                    keccak256(bytes(version)),
                    chainId,
                    address(this)
                )
            );
    }

    /**
     * @notice Make EIP712 domain separator
     * @param name      Contract name
     * @param version   Contract version
     * @return Domain separator
     */
    function makeDomainSeparator(string memory name, string memory version)
        internal
        view
        returns (bytes32)
    {
        uint256 chainId;
        assembly {
            chainId := chainid()
        }
        return makeDomainSeparator(name, version, chainId);
    }
}

/**
 * SPDX-License-Identifier: Apache-2.0
 *
 * Copyright (c) 2023, Circle Internet Financial, LLC.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

pragma solidity 0.6.12;

/**
 * @dev Signature message hash utilities for producing digests to be consumed by {ECDSA} recovery or signing.
 *
 * The library provides methods for generating a hash of a message that conforms to the
 * https://eips.ethereum.org/EIPS/eip-191[EIP 191] and https://eips.ethereum.org/EIPS/eip-712[EIP 712]
 * specifications.
 */
library MessageHashUtils {
    /**
     * @dev Returns the keccak256 digest of an EIP-712 typed data (EIP-191 version `0x01`).
     * Adapted from https://github.com/OpenZeppelin/openzeppelin-contracts/blob/21bb89ef5bfc789b9333eb05e3ba2b7b284ac77c/contracts/utils/cryptography/MessageHashUtils.sol
     *
     * The digest is calculated from a `domainSeparator` and a `structHash`, by prefixing them with
     * `\x19\x01` and hashing the result. It corresponds to the hash signed by the
     * https://eips.ethereum.org/EIPS/eip-712[`eth_signTypedData`] JSON-RPC method as part of EIP-712.
     *
     * @param domainSeparator    Domain separator
     * @param structHash         Hashed EIP-712 data struct
     * @return digest            The keccak256 digest of an EIP-712 typed data
     */
    function toTypedDataHash(bytes32 domainSeparator, bytes32 structHash)
        internal
        pure
        returns (bytes32 digest)
    {
        assembly {
            let ptr := mload(0x40)
            mstore(ptr, "\x19\x01")
            mstore(add(ptr, 0x02), domainSeparator)
            mstore(add(ptr, 0x22), structHash)
            digest := keccak256(ptr, 0x42)
        }
    }
}

/**
 * SPDX-License-Identifier: Apache-2.0
 *
 * Copyright (c) 2023, Circle Internet Financial, LLC.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

pragma solidity 0.6.12;

import { ECRecover } from "./ECRecover.sol";
import { IERC1271 } from "../interface/IERC1271.sol";

/**
 * @dev Signature verification helper that can be used instead of `ECRecover.recover` to seamlessly support both ECDSA
 * signatures from externally owned accounts (EOAs) as well as ERC1271 signatures from smart contract wallets.
 *
 * Adapted from https://github.com/OpenZeppelin/openzeppelin-contracts/blob/21bb89ef5bfc789b9333eb05e3ba2b7b284ac77c/contracts/utils/cryptography/SignatureChecker.sol
 */
library SignatureChecker {
    /**
     * @dev Checks if a signature is valid for a given signer and data hash. If the signer is a smart contract, the
     * signature is validated against that smart contract using ERC1271, otherwise it's validated using `ECRecover.recover`.
     * @param signer        Address of the claimed signer
     * @param digest        Keccak-256 hash digest of the signed message
     * @param signature     Signature byte array associated with hash
     */
    function isValidSignatureNow(
        address signer,
        bytes32 digest,
        bytes memory signature
    ) external view returns (bool) {
        if (!isContract(signer)) {
            return ECRecover.recover(digest, signature) == signer;
        }
        return isValidERC1271SignatureNow(signer, digest, signature);
    }

    /**
     * @dev Checks if a signature is valid for a given signer and data hash. The signature is validated
     * against the signer smart contract using ERC1271.
     * @param signer        Address of the claimed signer
     * @param digest        Keccak-256 hash digest of the signed message
     * @param signature     Signature byte array associated with hash
     *
     * NOTE: Unlike ECDSA signatures, contract signatures are revocable, and the outcome of this function can thus
     * change through time. It could return true at block N and false at block N+1 (or the opposite).
     */
    function isValidERC1271SignatureNow(
        address signer,
        bytes32 digest,
        bytes memory signature
    ) internal view returns (bool) {
        (bool success, bytes memory result) = signer.staticcall(
            abi.encodeWithSelector(
                IERC1271.isValidSignature.selector,
                digest,
                signature
            )
        );
        return (success &&
            result.length >= 32 &&
            abi.decode(result, (bytes32)) ==
            bytes32(IERC1271.isValidSignature.selector));
    }

    /**
     * @dev Checks if the input address is a smart contract.
     */
    function isContract(address addr) internal view returns (bool) {
        uint256 size;
        assembly {
            size := extcodesize(addr)
        }
        return size > 0;
    }
}

/**
 * SPDX-License-Identifier: Apache-2.0
 *
 * Copyright (c) 2023, Circle Internet Financial, LLC.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

pragma solidity 0.6.12;

import { Ownable } from "../v1/Ownable.sol";
import { IERC20 } from "@openzeppelin/contracts/token/ERC20/IERC20.sol";
import { SafeERC20 } from "@openzeppelin/contracts/token/ERC20/SafeERC20.sol";

contract Rescuable is Ownable {
    using SafeERC20 for IERC20;

    address private _rescuer;

    event RescuerChanged(address indexed newRescuer);

    /**
     * @notice Returns current rescuer
     * @return Rescuer's address
     */
    function rescuer() external view returns (address) {
        return _rescuer;
    }

    /**
     * @notice Revert if called by any account other than the rescuer.
     */
    modifier onlyRescuer() {
        require(msg.sender == _rescuer, "Rescuable: caller is not the rescuer");
        _;
    }

    /**
     * @notice Rescue ERC20 tokens locked up in this contract.
     * @param tokenContract ERC20 token contract address
     * @param to        Recipient address
     * @param amount    Amount to withdraw
     */
    function rescueERC20(
        IERC20 tokenContract,
        address to,
        uint256 amount
    ) external onlyRescuer {
        tokenContract.safeTransfer(to, amount);
    }

    /**
     * @notice Updates the rescuer address.
     * @param newRescuer The address of the new rescuer.
     */
    function updateRescuer(address newRescuer) external onlyOwner {
        require(
            newRescuer != address(0),
            "Rescuable: new rescuer is the zero address"
        );
        _rescuer = newRescuer;
        emit RescuerChanged(newRescuer);
    }
}

/**
 * SPDX-License-Identifier: Apache-2.0
 *
 * Copyright (c) 2023, Circle Internet Financial, LLC.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

pragma solidity 0.6.12;

import { IERC20 } from "@openzeppelin/contracts/token/ERC20/IERC20.sol";

abstract contract AbstractFiatTokenV1 is IERC20 {
    function _approve(
        address owner,
        address spender,
        uint256 value
    ) internal virtual;

    function _transfer(
        address from,
        address to,
        uint256 value
    ) internal virtual;
}

/**
 * SPDX-License-Identifier: Apache-2.0
 *
 * Copyright (c) 2023, Circle Internet Financial, LLC.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

pragma solidity 0.6.12;

import { Ownable } from "./Ownable.sol";

/**
 * @title Blacklistable Token
 * @dev Allows accounts to be blacklisted by a "blacklister" role
 */
abstract contract Blacklistable is Ownable {
    address public blacklister;
    mapping(address => bool) internal _deprecatedBlacklisted;

    event Blacklisted(address indexed _account);
    event UnBlacklisted(address indexed _account);
    event BlacklisterChanged(address indexed newBlacklister);

    /**
     * @dev Throws if called by any account other than the blacklister.
     */
    modifier onlyBlacklister() {
        require(
            msg.sender == blacklister,
            "Blacklistable: caller is not the blacklister"
        );
        _;
    }

    /**
     * @dev Throws if argument account is blacklisted.
     * @param _account The address to check.
     */
    modifier notBlacklisted(address _account) {
        require(
            !_isBlacklisted(_account),
            "Blacklistable: account is blacklisted"
        );
        _;
    }

    /**
     * @notice Checks if account is blacklisted.
     * @param _account The address to check.
     * @return True if the account is blacklisted, false if the account is not blacklisted.
     */
    function isBlacklisted(address _account) external view returns (bool) {
        return _isBlacklisted(_account);
    }

    /**
     * @notice Adds account to blacklist.
     * @param _account The address to blacklist.
     */
    function blacklist(address _account) external onlyBlacklister {
        _blacklist(_account);
        emit Blacklisted(_account);
    }

    /**
     * @notice Removes account from blacklist.
     * @param _account The address to remove from the blacklist.
     */
    function unBlacklist(address _account) external onlyBlacklister {
        _unBlacklist(_account);
        emit UnBlacklisted(_account);
    }

    /**
     * @notice Updates the blacklister address.
     * @param _newBlacklister The address of the new blacklister.
     */
    function updateBlacklister(address _newBlacklister) external onlyOwner {
        require(
            _newBlacklister != address(0),
            "Blacklistable: new blacklister is the zero address"
        );
        blacklister = _newBlacklister;
        emit BlacklisterChanged(blacklister);
    }

    /**
     * @dev Checks if account is blacklisted.
     * @param _account The address to check.
     * @return true if the account is blacklisted, false otherwise.
     */
    function _isBlacklisted(address _account)
        internal
        virtual
        view
        returns (bool);

    /**
     * @dev Helper method that blacklists an account.
     * @param _account The address to blacklist.
     */
    function _blacklist(address _account) internal virtual;

    /**
     * @dev Helper method that unblacklists an account.
     * @param _account The address to unblacklist.
     */
    function _unBlacklist(address _account) internal virtual;
}

/**
 * SPDX-License-Identifier: MIT
 *
 * Copyright (c) 2018 zOS Global Limited.
 * Copyright (c) 2018-2020 CENTRE SECZ
 *
 * 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
 * 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 0.6.12;

/**
 * @notice The Ownable contract has an owner address, and provides basic
 * authorization control functions
 * @dev Forked from https://github.com/OpenZeppelin/openzeppelin-labs/blob/3887ab77b8adafba4a26ace002f3a684c1a3388b/upgradeability_ownership/contracts/ownership/Ownable.sol
 * Modifications:
 * 1. Consolidate OwnableStorage into this contract (7/13/18)
 * 2. Reformat, conform to Solidity 0.6 syntax, and add error messages (5/13/20)
 * 3. Make public functions external (5/27/20)
 */
contract Ownable {
    // Owner of the contract
    address private _owner;

    /**
     * @dev Event to show ownership has been transferred
     * @param previousOwner representing the address of the previous owner
     * @param newOwner representing the address of the new owner
     */
    event OwnershipTransferred(address previousOwner, address newOwner);

    /**
     * @dev The constructor sets the original owner of the contract to the sender account.
     */
    constructor() public {
        setOwner(msg.sender);
    }

    /**
     * @dev Tells the address of the owner
     * @return the address of the owner
     */
    function owner() external view returns (address) {
        return _owner;
    }

    /**
     * @dev Sets a new owner address
     */
    function setOwner(address newOwner) internal {
        _owner = newOwner;
    }

    /**
     * @dev Throws if called by any account other than the owner.
     */
    modifier onlyOwner() {
        require(msg.sender == _owner, "Ownable: caller is not the owner");
        _;
    }

    /**
     * @dev Allows the current owner to transfer control of the contract to a newOwner.
     * @param newOwner The address to transfer ownership to.
     */
    function transferOwnership(address newOwner) external onlyOwner {
        require(
            newOwner != address(0),
            "Ownable: new owner is the zero address"
        );
        emit OwnershipTransferred(_owner, newOwner);
        setOwner(newOwner);
    }
}

/**
 * SPDX-License-Identifier: MIT
 *
 * Copyright (c) 2016 Smart Contract Solutions, Inc.
 * Copyright (c) 2018-2020 CENTRE SECZ
 *
 * 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
 * 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 0.6.12;

import { Ownable } from "./Ownable.sol";

/**
 * @notice Base contract which allows children to implement an emergency stop
 * mechanism
 * @dev Forked from https://github.com/OpenZeppelin/openzeppelin-contracts/blob/feb665136c0dae9912e08397c1a21c4af3651ef3/contracts/lifecycle/Pausable.sol
 * Modifications:
 * 1. Added pauser role, switched pause/unpause to be onlyPauser (6/14/2018)
 * 2. Removed whenNotPause/whenPaused from pause/unpause (6/14/2018)
 * 3. Removed whenPaused (6/14/2018)
 * 4. Switches ownable library to use ZeppelinOS (7/12/18)
 * 5. Remove constructor (7/13/18)
 * 6. Reformat, conform to Solidity 0.6 syntax and add error messages (5/13/20)
 * 7. Make public functions external (5/27/20)
 */
contract Pausable is Ownable {
    event Pause();
    event Unpause();
    event PauserChanged(address indexed newAddress);

    address public pauser;
    bool public paused = false;

    /**
     * @dev Modifier to make a function callable only when the contract is not paused.
     */
    modifier whenNotPaused() {
        require(!paused, "Pausable: paused");
        _;
    }

    /**
     * @dev throws if called by any account other than the pauser
     */
    modifier onlyPauser() {
        require(msg.sender == pauser, "Pausable: caller is not the pauser");
        _;
    }

    /**
     * @dev called by the owner to pause, triggers stopped state
     */
    function pause() external onlyPauser {
        paused = true;
        emit Pause();
    }

    /**
     * @dev called by the owner to unpause, returns to normal state
     */
    function unpause() external onlyPauser {
        paused = false;
        emit Unpause();
    }

    /**
     * @notice Updates the pauser address.
     * @param _newPauser The address of the new pauser.
     */
    function updatePauser(address _newPauser) external onlyOwner {
        require(
            _newPauser != address(0),
            "Pausable: new pauser is the zero address"
        );
        pauser = _newPauser;
        emit PauserChanged(pauser);
    }
}

/**
 * SPDX-License-Identifier: Apache-2.0
 *
 * Copyright (c) 2023, Circle Internet Financial, LLC.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

pragma solidity 0.6.12;

import { AbstractFiatTokenV1 } from "../v1/AbstractFiatTokenV1.sol";

abstract contract AbstractFiatTokenV2 is AbstractFiatTokenV1 {
    function _increaseAllowance(
        address owner,
        address spender,
        uint256 increment
    ) internal virtual;

    function _decreaseAllowance(
        address owner,
        address spender,
        uint256 decrement
    ) internal virtual;
}

/**
 * SPDX-License-Identifier: Apache-2.0
 *
 * Copyright (c) 2023, Circle Internet Financial, LLC.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

pragma solidity 0.6.12;

import { AbstractFiatTokenV2 } from "./AbstractFiatTokenV2.sol";
import { EIP712Domain } from "./EIP712Domain.sol";
import { MessageHashUtils } from "../util/MessageHashUtils.sol";
import { SignatureChecker } from "../util/SignatureChecker.sol";

/**
 * @title EIP-2612
 * @notice Provide internal implementation for gas-abstracted approvals
 */
abstract contract EIP2612 is AbstractFiatTokenV2, EIP712Domain {
    // keccak256("Permit(address owner,address spender,uint256 value,uint256 nonce,uint256 deadline)")
    bytes32
        public constant PERMIT_TYPEHASH = 0x6e71edae12b1b97f4d1f60370fef10105fa2faae0126114a169c64845d6126c9;

    mapping(address => uint256) private _permitNonces;

    /**
     * @notice Nonces for permit
     * @param owner Token owner's address (Authorizer)
     * @return Next nonce
     */
    function nonces(address owner) external view returns (uint256) {
        return _permitNonces[owner];
    }

    /**
     * @notice Verify a signed approval permit and execute if valid
     * @param owner     Token owner's address (Authorizer)
     * @param spender   Spender's address
     * @param value     Amount of allowance
     * @param deadline  The time at which the signature expires (unix time), or max uint256 value to signal no expiration
     * @param v         v of the signature
     * @param r         r of the signature
     * @param s         s of the signature
     */
    function _permit(
        address owner,
        address spender,
        uint256 value,
        uint256 deadline,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) internal {
        _permit(owner, spender, value, deadline, abi.encodePacked(r, s, v));
    }

    /**
     * @notice Verify a signed approval permit and execute if valid
     * @dev EOA wallet signatures should be packed in the order of r, s, v.
     * @param owner      Token owner's address (Authorizer)
     * @param spender    Spender's address
     * @param value      Amount of allowance
     * @param deadline   The time at which the signature expires (unix time), or max uint256 value to signal no expiration
     * @param signature  Signature byte array signed by an EOA wallet or a contract wallet
     */
    function _permit(
        address owner,
        address spender,
        uint256 value,
        uint256 deadline,
        bytes memory signature
    ) internal {
        require(
            deadline == type(uint256).max || deadline >= now,
            "FiatTokenV2: permit is expired"
        );

        bytes32 typedDataHash = MessageHashUtils.toTypedDataHash(
            _domainSeparator(),
            keccak256(
                abi.encode(
                    PERMIT_TYPEHASH,
                    owner,
                    spender,
                    value,
                    _permitNonces[owner]++,
                    deadline
                )
            )
        );
        require(
            SignatureChecker.isValidSignatureNow(
                owner,
                typedDataHash,
                signature
            ),
            "EIP2612: invalid signature"
        );

        _approve(owner, spender, value);
    }
}

/**
 * SPDX-License-Identifier: Apache-2.0
 *
 * Copyright (c) 2023, Circle Internet Financial, LLC.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

pragma solidity 0.6.12;

import { AbstractFiatTokenV2 } from "./AbstractFiatTokenV2.sol";
import { EIP712Domain } from "./EIP712Domain.sol";
import { SignatureChecker } from "../util/SignatureChecker.sol";
import { MessageHashUtils } from "../util/MessageHashUtils.sol";

/**
 * @title EIP-3009
 * @notice Provide internal implementation for gas-abstracted transfers
 * @dev Contracts that inherit from this must wrap these with publicly
 * accessible functions, optionally adding modifiers where necessary
 */
abstract contract EIP3009 is AbstractFiatTokenV2, EIP712Domain {
    // keccak256("TransferWithAuthorization(address from,address to,uint256 value,uint256 validAfter,uint256 validBefore,bytes32 nonce)")
    bytes32
        public constant TRANSFER_WITH_AUTHORIZATION_TYPEHASH = 0x7c7c6cdb67a18743f49ec6fa9b35f50d52ed05cbed4cc592e13b44501c1a2267;

    // keccak256("ReceiveWithAuthorization(address from,address to,uint256 value,uint256 validAfter,uint256 validBefore,bytes32 nonce)")
    bytes32
        public constant RECEIVE_WITH_AUTHORIZATION_TYPEHASH = 0xd099cc98ef71107a616c4f0f941f04c322d8e254fe26b3c6668db87aae413de8;

    // keccak256("CancelAuthorization(address authorizer,bytes32 nonce)")
    bytes32
        public constant CANCEL_AUTHORIZATION_TYPEHASH = 0x158b0a9edf7a828aad02f63cd515c68ef2f50ba807396f6d12842833a1597429;

    /**
     * @dev authorizer address => nonce => bool (true if nonce is used)
     */
    mapping(address => mapping(bytes32 => bool)) private _authorizationStates;

    event AuthorizationUsed(address indexed authorizer, bytes32 indexed nonce);
    event AuthorizationCanceled(
        address indexed authorizer,
        bytes32 indexed nonce
    );

    /**
     * @notice Returns the state of an authorization
     * @dev Nonces are randomly generated 32-byte data unique to the
     * authorizer's address
     * @param authorizer    Authorizer's address
     * @param nonce         Nonce of the authorization
     * @return True if the nonce is used
     */
    function authorizationState(address authorizer, bytes32 nonce)
        external
        view
        returns (bool)
    {
        return _authorizationStates[authorizer][nonce];
    }

    /**
     * @notice Execute a transfer with a signed authorization
     * @param from          Payer's address (Authorizer)
     * @param to            Payee's address
     * @param value         Amount to be transferred
     * @param validAfter    The time after which this is valid (unix time)
     * @param validBefore   The time before which this is valid (unix time)
     * @param nonce         Unique nonce
     * @param v             v of the signature
     * @param r             r of the signature
     * @param s             s of the signature
     */
    function _transferWithAuthorization(
        address from,
        address to,
        uint256 value,
        uint256 validAfter,
        uint256 validBefore,
        bytes32 nonce,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) internal {
        _transferWithAuthorization(
            from,
            to,
            value,
            validAfter,
            validBefore,
            nonce,
            abi.encodePacked(r, s, v)
        );
    }

    /**
     * @notice Execute a transfer with a signed authorization
     * @dev EOA wallet signatures should be packed in the order of r, s, v.
     * @param from          Payer's address (Authorizer)
     * @param to            Payee's address
     * @param value         Amount to be transferred
     * @param validAfter    The time after which this is valid (unix time)
     * @param validBefore   The time before which this is valid (unix time)
     * @param nonce         Unique nonce
     * @param signature     Signature byte array produced by an EOA wallet or a contract wallet
     */
    function _transferWithAuthorization(
        address from,
        address to,
        uint256 value,
        uint256 validAfter,
        uint256 validBefore,
        bytes32 nonce,
        bytes memory signature
    ) internal {
        _requireValidAuthorization(from, nonce, validAfter, validBefore);
        _requireValidSignature(
            from,
            keccak256(
                abi.encode(
                    TRANSFER_WITH_AUTHORIZATION_TYPEHASH,
                    from,
                    to,
                    value,
                    validAfter,
                    validBefore,
                    nonce
                )
            ),
            signature
        );

        _markAuthorizationAsUsed(from, nonce);
        _transfer(from, to, value);
    }

    /**
     * @notice Receive a transfer with a signed authorization from the payer
     * @dev This has an additional check to ensure that the payee's address
     * matches the caller of this function to prevent front-running attacks.
     * @param from          Payer's address (Authorizer)
     * @param to            Payee's address
     * @param value         Amount to be transferred
     * @param validAfter    The time after which this is valid (unix time)
     * @param validBefore   The time before which this is valid (unix time)
     * @param nonce         Unique nonce
     * @param v             v of the signature
     * @param r             r of the signature
     * @param s             s of the signature
     */
    function _receiveWithAuthorization(
        address from,
        address to,
        uint256 value,
        uint256 validAfter,
        uint256 validBefore,
        bytes32 nonce,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) internal {
        _receiveWithAuthorization(
            from,
            to,
            value,
            validAfter,
            validBefore,
            nonce,
            abi.encodePacked(r, s, v)
        );
    }

    /**
     * @notice Receive a transfer with a signed authorization from the payer
     * @dev This has an additional check to ensure that the payee's address
     * matches the caller of this function to prevent front-running attacks.
     * EOA wallet signatures should be packed in the order of r, s, v.
     * @param from          Payer's address (Authorizer)
     * @param to            Payee's address
     * @param value         Amount to be transferred
     * @param validAfter    The time after which this is valid (unix time)
     * @param validBefore   The time before which this is valid (unix time)
     * @param nonce         Unique nonce
     * @param signature     Signature byte array produced by an EOA wallet or a contract wallet
     */
    function _receiveWithAuthorization(
        address from,
        address to,
        uint256 value,
        uint256 validAfter,
        uint256 validBefore,
        bytes32 nonce,
        bytes memory signature
    ) internal {
        require(to == msg.sender, "FiatTokenV2: caller must be the payee");
        _requireValidAuthorization(from, nonce, validAfter, validBefore);
        _requireValidSignature(
            from,
            keccak256(
                abi.encode(
                    RECEIVE_WITH_AUTHORIZATION_TYPEHASH,
                    from,
                    to,
                    value,
                    validAfter,
                    validBefore,
                    nonce
                )
            ),
            signature
        );

        _markAuthorizationAsUsed(from, nonce);
        _transfer(from, to, value);
    }

    /**
     * @notice Attempt to cancel an authorization
     * @param authorizer    Authorizer's address
     * @param nonce         Nonce of the authorization
     * @param v             v of the signature
     * @param r             r of the signature
     * @param s             s of the signature
     */
    function _cancelAuthorization(
        address authorizer,
        bytes32 nonce,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) internal {
        _cancelAuthorization(authorizer, nonce, abi.encodePacked(r, s, v));
    }

    /**
     * @notice Attempt to cancel an authorization
     * @dev EOA wallet signatures should be packed in the order of r, s, v.
     * @param authorizer    Authorizer's address
     * @param nonce         Nonce of the authorization
     * @param signature     Signature byte array produced by an EOA wallet or a contract wallet
     */
    function _cancelAuthorization(
        address authorizer,
        bytes32 nonce,
        bytes memory signature
    ) internal {
        _requireUnusedAuthorization(authorizer, nonce);
        _requireValidSignature(
            authorizer,
            keccak256(
                abi.encode(CANCEL_AUTHORIZATION_TYPEHASH, authorizer, nonce)
            ),
            signature
        );

        _authorizationStates[authorizer][nonce] = true;
        emit AuthorizationCanceled(authorizer, nonce);
    }

    /**
     * @notice Validates that signature against input data struct
     * @param signer        Signer's address
     * @param dataHash      Hash of encoded data struct
     * @param signature     Signature byte array produced by an EOA wallet or a contract wallet
     */
    function _requireValidSignature(
        address signer,
        bytes32 dataHash,
        bytes memory signature
    ) private view {
        require(
            SignatureChecker.isValidSignatureNow(
                signer,
                MessageHashUtils.toTypedDataHash(_domainSeparator(), dataHash),
                signature
            ),
            "FiatTokenV2: invalid signature"
        );
    }

    /**
     * @notice Check that an authorization is unused
     * @param authorizer    Authorizer's address
     * @param nonce         Nonce of the authorization
     */
    function _requireUnusedAuthorization(address authorizer, bytes32 nonce)
        private
        view
    {
        require(
            !_authorizationStates[authorizer][nonce],
            "FiatTokenV2: authorization is used or canceled"
        );
    }

    /**
     * @notice Check that authorization is valid
     * @param authorizer    Authorizer's address
     * @param nonce         Nonce of the authorization
     * @param validAfter    The time after which this is valid (unix time)
     * @param validBefore   The time before which this is valid (unix time)
     */
    function _requireValidAuthorization(
        address authorizer,
        bytes32 nonce,
        uint256 validAfter,
        uint256 validBefore
    ) private view {
        require(
            now > validAfter,
            "FiatTokenV2: authorization is not yet valid"
        );
        require(now < validBefore, "FiatTokenV2: authorization is expired");
        _requireUnusedAuthorization(authorizer, nonce);
    }

    /**
     * @notice Mark an authorization as used
     * @param authorizer    Authorizer's address
     * @param nonce         Nonce of the authorization
     */
    function _markAuthorizationAsUsed(address authorizer, bytes32 nonce)
        private
    {
        _authorizationStates[authorizer][nonce] = true;
        emit AuthorizationUsed(authorizer, nonce);
    }
}

/**
 * SPDX-License-Identifier: Apache-2.0
 *
 * Copyright (c) 2023, Circle Internet Financial, LLC.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

pragma solidity 0.6.12;

// solhint-disable func-name-mixedcase

/**
 * @title EIP712 Domain
 */
contract EIP712Domain {
    // was originally DOMAIN_SEPARATOR
    // but that has been moved to a method so we can override it in V2_2+
    bytes32 internal _DEPRECATED_CACHED_DOMAIN_SEPARATOR;

    /**
     * @notice Get the EIP712 Domain Separator.
     * @return The bytes32 EIP712 domain separator.
     */
    function DOMAIN_SEPARATOR() external view returns (bytes32) {
        return _domainSeparator();
    }

    /**
     * @dev Internal method to get the EIP712 Domain Separator.
     * @return The bytes32 EIP712 domain separator.
     */
    function _domainSeparator() internal virtual view returns (bytes32) {
        return _DEPRECATED_CACHED_DOMAIN_SEPARATOR;
    }
}

{
  "optimizer": {
    "enabled": true,
    "runs": 10000000
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "libraries": {
    "contracts/FiatTokenV2_2 (implementation)/Users/aloysius.chan/Repositories/circlefin/stablecoin-evm-private-eurc-mainnet-eth/contracts/util/SignatureChecker.sol": {
      "SignatureChecker": "0x98dc3512e200d7327d35b29f6d268980fbddcebc"
    }
  }
}

• No Contract Security Audit Submitted- Submit Audit Here

[{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"spender","type":"address"},{"indexed":false,"internalType":"uint256","name":"value","type":"uint256"}],"name":"Approval","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"authorizer","type":"address"},{"indexed":true,"internalType":"bytes32","name":"nonce","type":"bytes32"}],"name":"AuthorizationCanceled","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"authorizer","type":"address"},{"indexed":true,"internalType":"bytes32","name":"nonce","type":"bytes32"}],"name":"AuthorizationUsed","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"_account","type":"address"}],"name":"Blacklisted","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"newBlacklister","type":"address"}],"name":"BlacklisterChanged","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"burner","type":"address"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"}],"name":"Burn","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"newMasterMinter","type":"address"}],"name":"MasterMinterChanged","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"minter","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"}],"name":"Mint","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"minter","type":"address"},{"indexed":false,"internalType":"uint256","name":"minterAllowedAmount","type":"uint256"}],"name":"MinterConfigured","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"oldMinter","type":"address"}],"name":"MinterRemoved","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"previousOwner","type":"address"},{"indexed":false,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"anonymous":false,"inputs":[],"name":"Pause","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"newAddress","type":"address"}],"name":"PauserChanged","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"newRescuer","type":"address"}],"name":"RescuerChanged","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"},{"indexed":false,"internalType":"uint256","name":"value","type":"uint256"}],"name":"Transfer","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"_account","type":"address"}],"name":"UnBlacklisted","type":"event"},{"anonymous":false,"inputs":[],"name":"Unpause","type":"event"},{"inputs":[],"name":"CANCEL_AUTHORIZATION_TYPEHASH","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"DOMAIN_SEPARATOR","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"PERMIT_TYPEHASH","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"RECEIVE_WITH_AUTHORIZATION_TYPEHASH","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"TRANSFER_WITH_AUTHORIZATION_TYPEHASH","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"address","name":"spender","type":"address"}],"name":"allowance","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"value","type":"uint256"}],"name":"approve","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"authorizer","type":"address"},{"internalType":"bytes32","name":"nonce","type":"bytes32"}],"name":"authorizationState","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"account","type":"address"}],"name":"balanceOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_account","type":"address"}],"name":"blacklist","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"blacklister","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"_amount","type":"uint256"}],"name":"burn","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"authorizer","type":"address"},{"internalType":"bytes32","name":"nonce","type":"bytes32"},{"internalType":"uint8","name":"v","type":"uint8"},{"internalType":"bytes32","name":"r","type":"bytes32"},{"internalType":"bytes32","name":"s","type":"bytes32"}],"name":"cancelAuthorization","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"authorizer","type":"address"},{"internalType":"bytes32","name":"nonce","type":"bytes32"},{"internalType":"bytes","name":"signature","type":"bytes"}],"name":"cancelAuthorization","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"minter","type":"address"},{"internalType":"uint256","name":"minterAllowedAmount","type":"uint256"}],"name":"configureMinter","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"currency","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"decimals","outputs":[{"internalType":"uint8","name":"","type":"uint8"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"decrement","type":"uint256"}],"name":"decreaseAllowance","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"increment","type":"uint256"}],"name":"increaseAllowance","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"string","name":"tokenName","type":"string"},{"internalType":"string","name":"tokenSymbol","type":"string"},{"internalType":"string","name":"tokenCurrency","type":"string"},{"internalType":"uint8","name":"tokenDecimals","type":"uint8"},{"internalType":"address","name":"newMasterMinter","type":"address"},{"internalType":"address","name":"newPauser","type":"address"},{"internalType":"address","name":"newBlacklister","type":"address"},{"internalType":"address","name":"newOwner","type":"address"}],"name":"initialize","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_account","type":"address"}],"name":"isBlacklisted","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"account","type":"address"}],"name":"isMinter","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"masterMinter","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_to","type":"address"},{"internalType":"uint256","name":"_amount","type":"uint256"}],"name":"mint","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"minter","type":"address"}],"name":"minterAllowance","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"}],"name":"nonces","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"pause","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"paused","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"pauser","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"value","type":"uint256"},{"internalType":"uint256","name":"deadline","type":"uint256"},{"internalType":"bytes","name":"signature","type":"bytes"}],"name":"permit","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"value","type":"uint256"},{"internalType":"uint256","name":"deadline","type":"uint256"},{"internalType":"uint8","name":"v","type":"uint8"},{"internalType":"bytes32","name":"r","type":"bytes32"},{"internalType":"bytes32","name":"s","type":"bytes32"}],"name":"permit","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"value","type":"uint256"},{"internalType":"uint256","name":"validAfter","type":"uint256"},{"internalType":"uint256","name":"validBefore","type":"uint256"},{"internalType":"bytes32","name":"nonce","type":"bytes32"},{"internalType":"bytes","name":"signature","type":"bytes"}],"name":"receiveWithAuthorization","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"value","type":"uint256"},{"internalType":"uint256","name":"validAfter","type":"uint256"},{"internalType":"uint256","name":"validBefore","type":"uint256"},{"internalType":"bytes32","name":"nonce","type":"bytes32"},{"internalType":"uint8","name":"v","type":"uint8"},{"internalType":"bytes32","name":"r","type":"bytes32"},{"internalType":"bytes32","name":"s","type":"bytes32"}],"name":"receiveWithAuthorization","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"minter","type":"address"}],"name":"removeMinter","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"contract IERC20","name":"tokenContract","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"rescueERC20","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"rescuer","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"symbol","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"value","type":"uint256"}],"name":"transfer","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"value","type":"uint256"}],"name":"transferFrom","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"value","type":"uint256"},{"internalType":"uint256","name":"validAfter","type":"uint256"},{"internalType":"uint256","name":"validBefore","type":"uint256"},{"internalType":"bytes32","name":"nonce","type":"bytes32"},{"internalType":"bytes","name":"signature","type":"bytes"}],"name":"transferWithAuthorization","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"value","type":"uint256"},{"internalType":"uint256","name":"validAfter","type":"uint256"},{"internalType":"uint256","name":"validBefore","type":"uint256"},{"internalType":"bytes32","name":"nonce","type":"bytes32"},{"internalType":"uint8","name":"v","type":"uint8"},{"internalType":"bytes32","name":"r","type":"bytes32"},{"internalType":"bytes32","name":"s","type":"bytes32"}],"name":"transferWithAuthorization","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_account","type":"address"}],"name":"unBlacklist","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"unpause","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_newBlacklister","type":"address"}],"name":"updateBlacklister","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_newMasterMinter","type":"address"}],"name":"updateMasterMinter","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_newPauser","type":"address"}],"name":"updatePauser","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newRescuer","type":"address"}],"name":"updateRescuer","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"version","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"pure","type":"function"}]

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

0x608060405234801561001057600080fd5b506004361061034c5760003560e01c806388b7ab63116101bd578063b7b72899116100f9578063e3ee160e116100a2578063ef55bec61161007c578063ef55bec614610f9c578063f2fde38b14611008578063f9f92be41461103b578063fe575a871461106e5761034c565b8063e3ee160e14610eef578063e5a6b10f14610f5b578063e94a010214610f635761034c565b8063d505accf116100d3578063d505accf14610e4e578063d916948714610eac578063dd62ed3e14610eb45761034c565b8063b7b7289914610c9a578063bd10243014610d62578063cf09299514610d6a5761034c565b8063a0cc6a6811610166578063aa20e1e411610140578063aa20e1e414610bbe578063aa271e1a14610bf1578063ad38bf2214610c24578063b2118a8d14610c575761034c565b8063a0cc6a6814610b44578063a457c2d714610b4c578063a9059cbb14610b855761034c565b806395d89b411161019757806395d89b4114610a5c5780639fd0506d14610a645780639fd5a6cf14610a6c5761034c565b806388b7ab631461093d5780638a6db9c314610a215780638da5cb5b14610a545761034c565b8063395093511161028c578063554bab3c1161023557806370a082311161020f57806370a08231146108c75780637ecebe00146108fa5780637f2eecc31461092d5780638456cb59146109355761034c565b8063554bab3c1461083e5780635a049a70146108715780635c975abb146108bf5761034c565b806342966c681161026657806342966c68146107e05780634e44d956146107fd57806354fd4d50146108365761034c565b806339509351146107665780633f4ba83a1461079f57806340c10f19146107a75761034c565b80633092afd5116102f95780633357162b116102d35780633357162b1461053957806335d99f35146107255780633644e5151461075657806338a631831461075e5761034c565b80633092afd5146104e057806330adf81f14610513578063313ce5671461051b5761034c565b80631a8952661161032a5780631a8952661461043557806323b872dd1461046a5780632ab60045146104ad5761034c565b806306fdde0314610351578063095ea7b3146103ce57806318160ddd1461041b575b600080fd5b6103596110a1565b6040805160208082528351818301528351919283929083019185019080838360005b8381101561039357818101518382015260200161037b565b50505050905090810190601f1680156103c05780820380516001836020036101000a031916815260200191505b509250505060405180910390f35b610407600480360360408110156103e457600080fd5b5073ffffffffffffffffffffffffffffffffffffffff813516906020013561114d565b604080519115158252519081900360200190f35b6104236111ee565b60408051918252519081900360200190f35b6104686004803603602081101561044b57600080fd5b503573ffffffffffffffffffffffffffffffffffffffff166111f4565b005b6104076004803603606081101561048057600080fd5b5073ffffffffffffffffffffffffffffffffffffffff8135811691602081013590911690604001356112b1565b610468600480360360208110156104c357600080fd5b503573ffffffffffffffffffffffffffffffffffffffff1661156c565b610407600480360360208110156104f657600080fd5b503573ffffffffffffffffffffffffffffffffffffffff166116cd565b6104236117c6565b6105236117ea565b6040805160ff9092168252519081900360200190f35b610468600480360361010081101561055057600080fd5b81019060208101813564010000000081111561056b57600080fd5b82018360208201111561057d57600080fd5b8035906020019184600183028401116401000000008311171561059f57600080fd5b91908080601f01602080910402602001604051908101604052809392919081815260200183838082843760009201919091525092959493602081019350359150506401000000008111156105f257600080fd5b82018360208201111561060457600080fd5b8035906020019184600183028401116401000000008311171561062657600080fd5b91908080601f016020809104026020016040519081016040528093929190818152602001838380828437600092019190915250929594936020810193503591505064010000000081111561067957600080fd5b82018360208201111561068b57600080fd5b803590602001918460018302840111640100000000831117156106ad57600080fd5b91908080601f0160208091040260200160405190810160405280939291908181526020018383808284376000920191909152509295505050813560ff16925050602081013573ffffffffffffffffffffffffffffffffffffffff908116916040810135821691606082013581169160800135166117f3565b61072d611b79565b6040805173ffffffffffffffffffffffffffffffffffffffff9092168252519081900360200190f35b610423611b95565b61072d611ba4565b6104076004803603604081101561077c57600080fd5b5073ffffffffffffffffffffffffffffffffffffffff8135169060200135611bc0565b610468611c58565b610407600480360360408110156107bd57600080fd5b5073ffffffffffffffffffffffffffffffffffffffff8135169060200135611d1b565b610468600480360360208110156107f657600080fd5b50356120ec565b6104076004803603604081101561081357600080fd5b5073ffffffffffffffffffffffffffffffffffffffff813516906020013561238e565b610359612521565b6104686004803603602081101561085457600080fd5b503573ffffffffffffffffffffffffffffffffffffffff16612558565b610468600480360360a081101561088757600080fd5b5073ffffffffffffffffffffffffffffffffffffffff8135169060208101359060ff60408201351690606081013590608001356126bf565b61040761275d565b610423600480360360208110156108dd57600080fd5b503573ffffffffffffffffffffffffffffffffffffffff1661277e565b6104236004803603602081101561091057600080fd5b503573ffffffffffffffffffffffffffffffffffffffff1661278f565b6104236127b7565b6104686127db565b610468600480360360e081101561095357600080fd5b73ffffffffffffffffffffffffffffffffffffffff823581169260208101359091169160408201359160608101359160808201359160a08101359181019060e0810160c08201356401000000008111156109ac57600080fd5b8201836020820111156109be57600080fd5b803590602001918460018302840111640100000000831117156109e057600080fd5b91908080601f0160208091040260200160405190810160405280939291908181526020018383808284376000920191909152509295506128b5945050505050565b61042360048036036020811015610a3757600080fd5b503573ffffffffffffffffffffffffffffffffffffffff16612a19565b61072d612a41565b610359612a5d565b61072d612ad6565b610468600480360360a0811015610a8257600080fd5b73ffffffffffffffffffffffffffffffffffffffff823581169260208101359091169160408201359160608101359181019060a081016080820135640100000000811115610acf57600080fd5b820183602082011115610ae157600080fd5b80359060200191846001830284011164010000000083111715610b0357600080fd5b91908080601f016020809104026020016040519081016040528093929190818152602001838380828437600092019190915250929550612af2945050505050565b610423612b89565b61040760048036036040811015610b6257600080fd5b5073ffffffffffffffffffffffffffffffffffffffff8135169060200135612bad565b61040760048036036040811015610b9b57600080fd5b5073ffffffffffffffffffffffffffffffffffffffff8135169060200135612c45565b61046860048036036020811015610bd457600080fd5b503573ffffffffffffffffffffffffffffffffffffffff16612da8565b61040760048036036020811015610c0757600080fd5b503573ffffffffffffffffffffffffffffffffffffffff16612f0f565b61046860048036036020811015610c3a57600080fd5b503573ffffffffffffffffffffffffffffffffffffffff16612f3a565b61046860048036036060811015610c6d57600080fd5b5073ffffffffffffffffffffffffffffffffffffffff8135811691602081013590911690604001356130a1565b61046860048036036060811015610cb057600080fd5b73ffffffffffffffffffffffffffffffffffffffff82351691602081013591810190606081016040820135640100000000811115610ced57600080fd5b820183602082011115610cff57600080fd5b80359060200191846001830284011164010000000083111715610d2157600080fd5b91908080601f016020809104026020016040519081016040528093929190818152602001838380828437600092019190915250929550613137945050505050565b61072d6131cc565b610468600480360360e0811015610d8057600080fd5b73ffffffffffffffffffffffffffffffffffffffff823581169260208101359091169160408201359160608101359160808201359160a08101359181019060e0810160c0820135640100000000811115610dd957600080fd5b820183602082011115610deb57600080fd5b80359060200191846001830284011164010000000083111715610e0d57600080fd5b91908080601f0160208091040260200160405190810160405280939291908181526020018383808284376000920191909152509295506131e8945050505050565b610468600480360360e0811015610e6457600080fd5b5073ffffffffffffffffffffffffffffffffffffffff813581169160208101359091169060408101359060608101359060ff6080820135169060a08101359060c00135613341565b6104236133e3565b61042360048036036040811015610eca57600080fd5b5073ffffffffffffffffffffffffffffffffffffffff81358116916020013516613407565b6104686004803603610120811015610f0657600080fd5b5073ffffffffffffffffffffffffffffffffffffffff813581169160208101359091169060408101359060608101359060808101359060a08101359060ff60c0820135169060e081013590610100013561343f565b6103596135a7565b61040760048036036040811015610f7957600080fd5b5073ffffffffffffffffffffffffffffffffffffffff8135169060200135613620565b6104686004803603610120811015610fb357600080fd5b5073ffffffffffffffffffffffffffffffffffffffff813581169160208101359091169060408101359060608101359060808101359060a08101359060ff60c0820135169060e0810135906101000135613658565b6104686004803603602081101561101e57600080fd5b503573ffffffffffffffffffffffffffffffffffffffff166137b3565b6104686004803603602081101561105157600080fd5b503573ffffffffffffffffffffffffffffffffffffffff16613906565b6104076004803603602081101561108457600080fd5b503573ffffffffffffffffffffffffffffffffffffffff166139c3565b6008805460408051602060026001851615610100027fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff0190941693909304601f810184900484028201840190925281815292918301828280156111455780601f1061111a57610100808354040283529160200191611145565b820191906000526020600020905b81548152906001019060200180831161112857829003601f168201915b505050505081565b60015460009074010000000000000000000000000000000000000000900460ff16156111da57604080517f08c379a000000000000000000000000000000000000000000000000000000000815260206004820152601060248201527f5061757361626c653a2070617573656400000000000000000000000000000000604482015290519081900360640190fd5b6111e53384846139ce565b50600192915050565b600f5490565b60025473ffffffffffffffffffffffffffffffffffffffff163314611264576040517f08c379a000000000000000000000000000000000000000000000000000000000815260040180806020018281038252602c815260200180615362602c913960400191505060405180910390fd5b61126d81613b15565b60405173ffffffffffffffffffffffffffffffffffffffff8216907f117e3210bb9aa7d9baff172026820255c6f6c30ba8999d1c2fd88e2848137c4e90600090a250565b60015460009074010000000000000000000000000000000000000000900460ff161561133e57604080517f08c379a000000000000000000000000000000000000000000000000000000000815260206004820152601060248201527f5061757361626c653a2070617573656400000000000000000000000000000000604482015290519081900360640190fd5b3361134881613b20565b1561139e576040517f08c379a00000000000000000000000000000000000000000000000000000000081526004018080602001828103825260258152602001806156686025913960400191505060405180910390fd5b846113a881613b20565b156113fe576040517f08c379a00000000000000000000000000000000000000000000000000000000081526004018080602001828103825260258152602001806156686025913960400191505060405180910390fd5b8461140881613b20565b1561145e576040517f08c379a00000000000000000000000000000000000000000000000000000000081526004018080602001828103825260258152602001806156686025913960400191505060405180910390fd5b73ffffffffffffffffffffffffffffffffffffffff87166000908152600e602090815260408083203384529091529020548511156114e7576040517f08c379a00000000000000000000000000000000000000000000000000000000081526004018080602001828103825260288152602001806154786028913960400191505060405180910390fd5b6114f2878787613b4e565b73ffffffffffffffffffffffffffffffffffffffff87166000908152600e6020908152604080832033845290915290205461152d9086613d19565b73ffffffffffffffffffffffffffffffffffffffff88166000908152600e60209081526040808320338452909152902055600193505050509392505050565b60005473ffffffffffffffffffffffffffffffffffffffff1633146115f257604080517f08c379a000000000000000000000000000000000000000000000000000000000815260206004820181905260248201527f4f776e61626c653a2063616c6c6572206973206e6f7420746865206f776e6572604482015290519081900360640190fd5b73ffffffffffffffffffffffffffffffffffffffff811661165e576040517f08c379a000000000000000000000000000000000000000000000000000000000815260040180806020018281038252602a81526020018061529b602a913960400191505060405180910390fd5b600480547fffffffffffffffffffffffff00000000000000000000000000000000000000001673ffffffffffffffffffffffffffffffffffffffff83169081179091556040517fe475e580d85111348e40d8ca33cfdd74c30fe1655c2d8537a13abc10065ffa5a90600090a250565b600c5460009073ffffffffffffffffffffffffffffffffffffffff163314611740576040517f08c379a00000000000000000000000000000000000000000000000000000000081526004018080602001828103825260298152602001806153396029913960400191505060405180910390fd5b73ffffffffffffffffffffffffffffffffffffffff8216600081815260106020908152604080832080547fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff001690556011909152808220829055517fe94479a9f7e1952cc78f2d6baab678adc1b772d936c6583def489e524cb666929190a2506001919050565b7f6e71edae12b1b97f4d1f60370fef10105fa2faae0126114a169c64845d6126c981565b600a5460ff1681565b600c5474010000000000000000000000000000000000000000900460ff1615611867576040517f08c379a000000000000000000000000000000000000000000000000000000000815260040180806020018281038252602a8152602001806154f3602a913960400191505060405180910390fd5b60125460ff161561187757600080fd5b73ffffffffffffffffffffffffffffffffffffffff84166118e3576040517f08c379a000000000000000000000000000000000000000000000000000000000815260040180806020018281038252602f815260200180615425602f913960400191505060405180910390fd5b73ffffffffffffffffffffffffffffffffffffffff831661194f576040517f08c379a00000000000000000000000000000000000000000000000000000000081526004018080602001828103825260298152602001806152726029913960400191505060405180910390fd5b73ffffffffffffffffffffffffffffffffffffffff82166119bb576040517f08c379a000000000000000000000000000000000000000000000000000000000815260040180806020018281038252602e8152602001806154a0602e913960400191505060405180910390fd5b73ffffffffffffffffffffffffffffffffffffffff8116611a27576040517f08c379a00000000000000000000000000000000000000000000000000000000081526004018080602001828103825260288152602001806155e06028913960400191505060405180910390fd5b8751611a3a9060089060208b01906150d4565b508651611a4e9060099060208a01906150d4565b508551611a6290600b9060208901906150d4565b50600a80547fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff001660ff8716179055600c80547fffffffffffffffffffffffff000000000000000000000000000000000000000090811673ffffffffffffffffffffffffffffffffffffffff8781169190911790925560018054821686841617905560028054909116918416919091179055611afc81613d90565b600c80547fffffffffffffffffffffff00ffffffffffffffffffffffffffffffffffffffff1674010000000000000000000000000000000000000000179055611b4430613dd7565b5050601280547fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff00166001179055505050505050565b600c5473ffffffffffffffffffffffffffffffffffffffff1681565b6000611b9f613de2565b905090565b60045473ffffffffffffffffffffffffffffffffffffffff1690565b60015460009074010000000000000000000000000000000000000000900460ff1615611c4d57604080517f08c379a000000000000000000000000000000000000000000000000000000000815260206004820152601060248201527f5061757361626c653a2070617573656400000000000000000000000000000000604482015290519081900360640190fd5b6111e5338484613ed7565b60015473ffffffffffffffffffffffffffffffffffffffff163314611cc8576040517f08c379a00000000000000000000000000000000000000000000000000000000081526004018080602001828103825260228152602001806155946022913960400191505060405180910390fd5b600180547fffffffffffffffffffffff00ffffffffffffffffffffffffffffffffffffffff1690556040517f7805862f689e2f13df9f062ff482ad3ad112aca9e0847911ed832e158c525b3390600090a1565b60015460009074010000000000000000000000000000000000000000900460ff1615611da857604080517f08c379a000000000000000000000000000000000000000000000000000000000815260206004820152601060248201527f5061757361626c653a2070617573656400000000000000000000000000000000604482015290519081900360640190fd5b3360009081526010602052604090205460ff16611e10576040517f08c379a00000000000000000000000000000000000000000000000000000000081526004018080602001828103825260218152602001806154046021913960400191505060405180910390fd5b33611e1a81613b20565b15611e70576040517f08c379a00000000000000000000000000000000000000000000000000000000081526004018080602001828103825260258152602001806156686025913960400191505060405180910390fd5b83611e7a81613b20565b15611ed0576040517f08c379a00000000000000000000000000000000000000000000000000000000081526004018080602001828103825260258152602001806156686025913960400191505060405180910390fd5b73ffffffffffffffffffffffffffffffffffffffff8516611f3c576040517f08c379a00000000000000000000000000000000000000000000000000000000081526004018080602001828103825260238152602001806152076023913960400191505060405180910390fd5b60008411611f95576040517f08c379a00000000000000000000000000000000000000000000000000000000081526004018080602001828103825260298152602001806152ea6029913960400191505060405180910390fd5b3360009081526011602052604090205480851115611ffe576040517f08c379a000000000000000000000000000000000000000000000000000000000815260040180806020018281038252602e815260200180615566602e913960400191505060405180910390fd5b600f5461200b9086613f21565b600f5561202a866120258761201f83613f9c565b90613f21565b613fe6565b6120348186613d19565b33600081815260116020908152604091829020939093558051888152905173ffffffffffffffffffffffffffffffffffffffff8a16937fab8530f87dc9b59234c4623bf917212bb2536d647574c8e7e5da92c2ede0c9f8928290030190a360408051868152905173ffffffffffffffffffffffffffffffffffffffff8816916000917fddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef9181900360200190a350600195945050505050565b60015474010000000000000000000000000000000000000000900460ff161561217657604080517f08c379a000000000000000000000000000000000000000000000000000000000815260206004820152601060248201527f5061757361626c653a2070617573656400000000000000000000000000000000604482015290519081900360640190fd5b3360009081526010602052604090205460ff166121de576040517f08c379a00000000000000000000000000000000000000000000000000000000081526004018080602001828103825260218152602001806154046021913960400191505060405180910390fd5b336121e881613b20565b1561223e576040517f08c379a00000000000000000000000000000000000000000000000000000000081526004018080602001828103825260258152602001806156686025913960400191505060405180910390fd5b600061224933613f9c565b9050600083116122a4576040517f08c379a00000000000000000000000000000000000000000000000000000000081526004018080602001828103825260298152602001806151de6029913960400191505060405180910390fd5b828110156122fd576040517f08c379a00000000000000000000000000000000000000000000000000000000081526004018080602001828103825260268152602001806153de6026913960400191505060405180910390fd5b600f5461230a9084613d19565b600f5561231b336120258386613d19565b60408051848152905133917fcc16f5dbb4873280815c1ee09dbd06736cffcc184412cf7a71a0fdb75d397ca5919081900360200190a260408051848152905160009133917fddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef9181900360200190a3505050565b60015460009074010000000000000000000000000000000000000000900460ff161561241b57604080517f08c379a000000000000000000000000000000000000000000000000000000000815260206004820152601060248201527f5061757361626c653a2070617573656400000000000000000000000000000000604482015290519081900360640190fd5b600c5473ffffffffffffffffffffffffffffffffffffffff16331461248b576040517f08c379a00000000000000000000000000000000000000000000000000000000081526004018080602001828103825260298152602001806153396029913960400191505060405180910390fd5b73ffffffffffffffffffffffffffffffffffffffff8316600081815260106020908152604080832080547fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff001660011790556011825291829020859055815185815291517f46980fca912ef9bcdbd36877427b6b90e860769f604e89c0e67720cece530d209281900390910190a250600192915050565b60408051808201909152600181527f3100000000000000000000000000000000000000000000000000000000000000602082015290565b60005473ffffffffffffffffffffffffffffffffffffffff1633146125de57604080517f08c379a000000000000000000000000000000000000000000000000000000000815260206004820181905260248201527f4f776e61626c653a2063616c6c6572206973206e6f7420746865206f776e6572604482015290519081900360640190fd5b73ffffffffffffffffffffffffffffffffffffffff811661264a576040517f08c379a000000000000000000000000000000000000000000000000000000000815260040180806020018281038252602881526020018061518b6028913960400191505060405180910390fd5b600180547fffffffffffffffffffffffff00000000000000000000000000000000000000001673ffffffffffffffffffffffffffffffffffffffff83811691909117918290556040519116907fb80482a293ca2e013eda8683c9bd7fc8347cfdaeea5ede58cba46df502c2a60490600090a250565b60015474010000000000000000000000000000000000000000900460ff161561274957604080517f08c379a000000000000000000000000000000000000000000000000000000000815260206004820152601060248201527f5061757361626c653a2070617573656400000000000000000000000000000000604482015290519081900360640190fd5b61275685858585856140e7565b5050505050565b60015474010000000000000000000000000000000000000000900460ff1681565b600061278982613f9c565b92915050565b73ffffffffffffffffffffffffffffffffffffffff1660009081526007602052604090205490565b7fd099cc98ef71107a616c4f0f941f04c322d8e254fe26b3c6668db87aae413de881565b60015473ffffffffffffffffffffffffffffffffffffffff16331461284b576040517f08c379a00000000000000000000000000000000000000000000000000000000081526004018080602001828103825260228152602001806155946022913960400191505060405180910390fd5b600180547fffffffffffffffffffffff00ffffffffffffffffffffffffffffffffffffffff16740100000000000000000000000000000000000000001790556040517f6985a02210a168e66602d3235cb6db0e70f92b3ba4d376a33c0f3d9434bff62590600090a1565b60015474010000000000000000000000000000000000000000900460ff161561293f57604080517f08c379a000000000000000000000000000000000000000000000000000000000815260206004820152601060248201527f5061757361626c653a2070617573656400000000000000000000000000000000604482015290519081900360640190fd5b8661294981613b20565b1561299f576040517f08c379a00000000000000000000000000000000000000000000000000000000081526004018080602001828103825260258152602001806156686025913960400191505060405180910390fd5b866129a981613b20565b156129ff576040517f08c379a00000000000000000000000000000000000000000000000000000000081526004018080602001828103825260258152602001806156686025913960400191505060405180910390fd5b612a0e89898989898989614127565b505050505050505050565b73ffffffffffffffffffffffffffffffffffffffff1660009081526011602052604090205490565b60005473ffffffffffffffffffffffffffffffffffffffff1690565b6009805460408051602060026001851615610100027fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff0190941693909304601f810184900484028201840190925281815292918301828280156111455780601f1061111a57610100808354040283529160200191611145565b60015473ffffffffffffffffffffffffffffffffffffffff1681565b60015474010000000000000000000000000000000000000000900460ff1615612b7c57604080517f08c379a000000000000000000000000000000000000000000000000000000000815260206004820152601060248201527f5061757361626c653a2070617573656400000000000000000000000000000000604482015290519081900360640190fd5b6127568585858585614248565b7f7c7c6cdb67a18743f49ec6fa9b35f50d52ed05cbed4cc592e13b44501c1a226781565b60015460009074010000000000000000000000000000000000000000900460ff1615612c3a57604080517f08c379a000000000000000000000000000000000000000000000000000000000815260206004820152601060248201527f5061757361626c653a2070617573656400000000000000000000000000000000604482015290519081900360640190fd5b6111e533848461450c565b60015460009074010000000000000000000000000000000000000000900460ff1615612cd257604080517f08c379a000000000000000000000000000000000000000000000000000000000815260206004820152601060248201527f5061757361626c653a2070617573656400000000000000000000000000000000604482015290519081900360640190fd5b33612cdc81613b20565b15612d32576040517f08c379a00000000000000000000000000000000000000000000000000000000081526004018080602001828103825260258152602001806156686025913960400191505060405180910390fd5b83612d3c81613b20565b15612d92576040517f08c379a00000000000000000000000000000000000000000000000000000000081526004018080602001828103825260258152602001806156686025913960400191505060405180910390fd5b612d9d338686613b4e565b506001949350505050565b60005473ffffffffffffffffffffffffffffffffffffffff163314612e2e57604080517f08c379a000000000000000000000000000000000000000000000000000000000815260206004820181905260248201527f4f776e61626c653a2063616c6c6572206973206e6f7420746865206f776e6572604482015290519081900360640190fd5b73ffffffffffffffffffffffffffffffffffffffff8116612e9a576040517f08c379a000000000000000000000000000000000000000000000000000000000815260040180806020018281038252602f815260200180615425602f913960400191505060405180910390fd5b600c80547fffffffffffffffffffffffff00000000000000000000000000000000000000001673ffffffffffffffffffffffffffffffffffffffff83811691909117918290556040519116907fdb66dfa9c6b8f5226fe9aac7e51897ae8ee94ac31dc70bb6c9900b2574b707e690600090a250565b73ffffffffffffffffffffffffffffffffffffffff1660009081526010602052604090205460ff1690565b60005473ffffffffffffffffffffffffffffffffffffffff163314612fc057604080517f08c379a000000000000000000000000000000000000000000000000000000000815260206004820181905260248201527f4f776e61626c653a2063616c6c6572206973206e6f7420746865206f776e6572604482015290519081900360640190fd5b73ffffffffffffffffffffffffffffffffffffffff811661302c576040517f08c379a00000000000000000000000000000000000000000000000000000000081526004018080602001828103825260328152602001806156366032913960400191505060405180910390fd5b600280547fffffffffffffffffffffffff00000000000000000000000000000000000000001673ffffffffffffffffffffffffffffffffffffffff83811691909117918290556040519116907fc67398012c111ce95ecb7429b933096c977380ee6c421175a71a4a4c6c88c06e90600090a250565b60045473ffffffffffffffffffffffffffffffffffffffff163314613111576040517f08c379a00000000000000000000000000000000000000000000000000000000081526004018080602001828103825260248152602001806154546024913960400191505060405180910390fd5b61313273ffffffffffffffffffffffffffffffffffffffff84168383614568565b505050565b60015474010000000000000000000000000000000000000000900460ff16156131c157604080517f08c379a000000000000000000000000000000000000000000000000000000000815260206004820152601060248201527f5061757361626c653a2070617573656400000000000000000000000000000000604482015290519081900360640190fd5b6131328383836145f5565b60025473ffffffffffffffffffffffffffffffffffffffff1681565b60015474010000000000000000000000000000000000000000900460ff161561327257604080517f08c379a000000000000000000000000000000000000000000000000000000000815260206004820152601060248201527f5061757361626c653a2070617573656400000000000000000000000000000000604482015290519081900360640190fd5b8661327c81613b20565b156132d2576040517f08c379a00000000000000000000000000000000000000000000000000000000081526004018080602001828103825260258152602001806156686025913960400191505060405180910390fd5b866132dc81613b20565b15613332576040517f08c379a00000000000000000000000000000000000000000000000000000000081526004018080602001828103825260258152602001806156686025913960400191505060405180910390fd5b612a0e898989898989896146ff565b60015474010000000000000000000000000000000000000000900460ff16156133cb57604080517f08c379a000000000000000000000000000000000000000000000000000000000815260206004820152601060248201527f5061757361626c653a2070617573656400000000000000000000000000000000604482015290519081900360640190fd5b6133da8787878787878761479d565b50505050505050565b7f158b0a9edf7a828aad02f63cd515c68ef2f50ba807396f6d12842833a159742981565b73ffffffffffffffffffffffffffffffffffffffff9182166000908152600e6020908152604080832093909416825291909152205490565b60015474010000000000000000000000000000000000000000900460ff16156134c957604080517f08c379a000000000000000000000000000000000000000000000000000000000815260206004820152601060248201527f5061757361626c653a2070617573656400000000000000000000000000000000604482015290519081900360640190fd5b886134d381613b20565b15613529576040517f08c379a00000000000000000000000000000000000000000000000000000000081526004018080602001828103825260258152602001806156686025913960400191505060405180910390fd5b8861353381613b20565b15613589576040517f08c379a00000000000000000000000000000000000000000000000000000000081526004018080602001828103825260258152602001806156686025913960400191505060405180910390fd5b61359a8b8b8b8b8b8b8b8b8b6147df565b5050505050505050505050565b600b805460408051602060026001851615610100027fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff0190941693909304601f810184900484028201840190925281815292918301828280156111455780601f1061111a57610100808354040283529160200191611145565b73ffffffffffffffffffffffffffffffffffffffff919091166000908152600660209081526040808320938352929052205460ff1690565b60015474010000000000000000000000000000000000000000900460ff16156136e257604080517f08c379a000000000000000000000000000000000000000000000000000000000815260206004820152601060248201527f5061757361626c653a2070617573656400000000000000000000000000000000604482015290519081900360640190fd5b886136ec81613b20565b15613742576040517f08c379a00000000000000000000000000000000000000000000000000000000081526004018080602001828103825260258152602001806156686025913960400191505060405180910390fd5b8861374c81613b20565b156137a2576040517f08c379a00000000000000000000000000000000000000000000000000000000081526004018080602001828103825260258152602001806156686025913960400191505060405180910390fd5b61359a8b8b8b8b8b8b8b8b8b614823565b60005473ffffffffffffffffffffffffffffffffffffffff16331461383957604080517f08c379a000000000000000000000000000000000000000000000000000000000815260206004820181905260248201527f4f776e61626c653a2063616c6c6572206973206e6f7420746865206f776e6572604482015290519081900360640190fd5b73ffffffffffffffffffffffffffffffffffffffff81166138a5576040517f08c379a000000000000000000000000000000000000000000000000000000000815260040180806020018281038252602681526020018061522a6026913960400191505060405180910390fd5b6000546040805173ffffffffffffffffffffffffffffffffffffffff9283168152918316602083015280517f8be0079c531659141344cd1fd0a4f28419497f9722a3daafe3b4186f6b6457e09281900390910190a161390381613d90565b50565b60025473ffffffffffffffffffffffffffffffffffffffff163314613976576040517f08c379a000000000000000000000000000000000000000000000000000000000815260040180806020018281038252602c815260200180615362602c913960400191505060405180910390fd5b61397f81613dd7565b60405173ffffffffffffffffffffffffffffffffffffffff8216907fffa4e6181777692565cf28528fc88fd1516ea86b56da075235fa575af6a4b85590600090a250565b600061278982613b20565b73ffffffffffffffffffffffffffffffffffffffff8316613a3a576040517f08c379a00000000000000000000000000000000000000000000000000000000081526004018080602001828103825260248152602001806155426024913960400191505060405180910390fd5b73ffffffffffffffffffffffffffffffffffffffff8216613aa6576040517f08c379a00000000000000000000000000000000000000000000000000000000081526004018080602001828103825260228152602001806152506022913960400191505060405180910390fd5b73ffffffffffffffffffffffffffffffffffffffff8084166000818152600e6020908152604080832094871680845294825291829020859055815185815291517f8c5be1e5ebec7d5bd14f71427d1e84f3dd0314c0f7b2291e5b200ac8c7c3b9259281900390910190a3505050565b613903816000614867565b73ffffffffffffffffffffffffffffffffffffffff166000908152600d602052604090205460ff1c60011490565b73ffffffffffffffffffffffffffffffffffffffff8316613bba576040517f08c379a000000000000000000000000000000000000000000000000000000000815260040180806020018281038252602581526020018061551d6025913960400191505060405180910390fd5b73ffffffffffffffffffffffffffffffffffffffff8216613c26576040517f08c379a00000000000000000000000000000000000000000000000000000000081526004018080602001828103825260238152602001806151686023913960400191505060405180910390fd5b613c2f83613f9c565b811115613c87576040517f08c379a00000000000000000000000000000000000000000000000000000000081526004018080602001828103825260268152602001806153136026913960400191505060405180910390fd5b613c9e8361202583613c9887613f9c565b90613d19565b613caf826120258361201f86613f9c565b8173ffffffffffffffffffffffffffffffffffffffff168373ffffffffffffffffffffffffffffffffffffffff167fddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef836040518082815260200191505060405180910390a3505050565b600082821115613d8a57604080517f08c379a000000000000000000000000000000000000000000000000000000000815260206004820152601e60248201527f536166654d6174683a207375627472616374696f6e206f766572666c6f770000604482015290519081900360640190fd5b50900390565b600080547fffffffffffffffffffffffff00000000000000000000000000000000000000001673ffffffffffffffffffffffffffffffffffffffff92909216919091179055565b613903816001614867565b6008805460408051602060026001851615610100027fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff0190941693909304601f8101849004840282018401909252818152600093611b9f9391929091830182828015613e8f5780601f10613e6457610100808354040283529160200191613e8f565b820191906000526020600020905b815481529060010190602001808311613e7257829003601f168201915b50505050506040518060400160405280600181526020017f3100000000000000000000000000000000000000000000000000000000000000815250613ed26148f0565b6148f4565b73ffffffffffffffffffffffffffffffffffffffff8084166000908152600e60209081526040808320938616835292905220546131329084908490613f1c9085613f21565b6139ce565b600082820183811015613f9557604080517f08c379a000000000000000000000000000000000000000000000000000000000815260206004820152601b60248201527f536166654d6174683a206164646974696f6e206f766572666c6f770000000000604482015290519081900360640190fd5b9392505050565b73ffffffffffffffffffffffffffffffffffffffff166000908152600d60205260409020547f7fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff1690565b7f7fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff81111561405f576040517f08c379a000000000000000000000000000000000000000000000000000000000815260040180806020018281038252602a81526020018061538e602a913960400191505060405180910390fd5b61406882613b20565b156140be576040517f08c379a00000000000000000000000000000000000000000000000000000000081526004018080602001828103825260258152602001806152c56025913960400191505060405180910390fd5b73ffffffffffffffffffffffffffffffffffffffff9091166000908152600d6020526040902055565b6127568585848487604051602001808481526020018381526020018260ff1660f81b815260010193505050506040516020818303038152906040526145f5565b73ffffffffffffffffffffffffffffffffffffffff86163314614195576040517f08c379a00000000000000000000000000000000000000000000000000000000081526004018080602001828103825260258152602001806154ce6025913960400191505060405180910390fd5b6141a187838686614968565b604080517fd099cc98ef71107a616c4f0f941f04c322d8e254fe26b3c6668db87aae413de860208083019190915273ffffffffffffffffffffffffffffffffffffffff808b1683850152891660608301526080820188905260a0820187905260c0820186905260e080830186905283518084039091018152610100909201909252805191012061423390889083614a28565b61423d8783614ba6565b6133da878787613b4e565b7fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff8214806142765750428210155b6142e157604080517f08c379a000000000000000000000000000000000000000000000000000000000815260206004820152601e60248201527f46696174546f6b656e56323a207065726d697420697320657870697265640000604482015290519081900360640190fd5b60006143896142ee613de2565b73ffffffffffffffffffffffffffffffffffffffff80891660008181526007602090815260409182902080546001810190915582517f6e71edae12b1b97f4d1f60370fef10105fa2faae0126114a169c64845d6126c98184015280840194909452938b166060840152608083018a905260a083019390935260c08083018990528151808403909101815260e090920190528051910120614c2b565b90507398dc3512e200d7327d35b29f6d268980fbddcebc636ccea6528783856040518463ffffffff1660e01b8152600401808473ffffffffffffffffffffffffffffffffffffffff16815260200183815260200180602001828103825283818151815260200191508051906020019080838360005b838110156144165781810151838201526020016143fe565b50505050905090810190601f1680156144435780820380516001836020036101000a031916815260200191505b5094505050505060206040518083038186803b15801561446257600080fd5b505af4158015614476573d6000803e3d6000fd5b505050506040513d602081101561448c57600080fd5b50516144f957604080517f08c379a000000000000000000000000000000000000000000000000000000000815260206004820152601a60248201527f454950323631323a20696e76616c6964207369676e6174757265000000000000604482015290519081900360640190fd5b6145048686866139ce565b505050505050565b6131328383613f1c846040518060600160405280602581526020016156b26025913973ffffffffffffffffffffffffffffffffffffffff808a166000908152600e60209081526040808320938c16835292905220549190614c65565b6040805173ffffffffffffffffffffffffffffffffffffffff8416602482015260448082018490528251808303909101815260649091019091526020810180517bffffffffffffffffffffffffffffffffffffffffffffffffffffffff167fa9059cbb00000000000000000000000000000000000000000000000000000000179052613132908490614d16565b6145ff8383614dee565b614679837f158b0a9edf7a828aad02f63cd515c68ef2f50ba807396f6d12842833a159742960001b8585604051602001808481526020018373ffffffffffffffffffffffffffffffffffffffff16815260200182815260200193505050506040516020818303038152906040528051906020012083614a28565b73ffffffffffffffffffffffffffffffffffffffff8316600081815260066020908152604080832086845290915280822080547fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff00166001179055518492917f1cdd46ff242716cdaa72d159d339a485b3438398348d68f09d7c8c0a59353d8191a3505050565b61470b87838686614968565b604080517f7c7c6cdb67a18743f49ec6fa9b35f50d52ed05cbed4cc592e13b44501c1a226760208083019190915273ffffffffffffffffffffffffffffffffffffffff808b1683850152891660608301526080820188905260a0820187905260c0820186905260e080830186905283518084039091018152610100909201909252805191012061423390889083614a28565b6133da87878787868689604051602001808481526020018381526020018260ff1660f81b81526001019350505050604051602081830303815290604052614248565b612a0e89898989898988888b604051602001808481526020018381526020018260ff1660f81b815260010193505050506040516020818303038152906040526146ff565b612a0e89898989898988888b604051602001808481526020018381526020018260ff1660f81b81526001019350505050604051602081830303815290604052614127565b8061487a5761487582613f9c565b6148c3565b73ffffffffffffffffffffffffffffffffffffffff82166000908152600d60205260409020547f8000000000000000000000000000000000000000000000000000000000000000175b73ffffffffffffffffffffffffffffffffffffffff9092166000908152600d602052604090209190915550565b4690565b8251602093840120825192840192909220604080517f8b73c3c69bb8fe3d512ecc4cf759cc79239f7b179b0ffacaa9a75d522b39400f8187015280820194909452606084019190915260808301919091523060a0808401919091528151808403909101815260c09092019052805191012090565b8142116149c0576040517f08c379a000000000000000000000000000000000000000000000000000000000815260040180806020018281038252602b8152602001806151b3602b913960400191505060405180910390fd5b804210614a18576040517f08c379a000000000000000000000000000000000000000000000000000000000815260040180806020018281038252602581526020018061568d6025913960400191505060405180910390fd5b614a228484614dee565b50505050565b7398dc3512e200d7327d35b29f6d268980fbddcebc636ccea65284614a54614a4e613de2565b86614c2b565b846040518463ffffffff1660e01b8152600401808473ffffffffffffffffffffffffffffffffffffffff16815260200183815260200180602001828103825283818151815260200191508051906020019080838360005b83811015614ac3578181015183820152602001614aab565b50505050905090810190601f168015614af05780820380516001836020036101000a031916815260200191505b5094505050505060206040518083038186803b158015614b0f57600080fd5b505af4158015614b23573d6000803e3d6000fd5b505050506040513d6020811015614b3957600080fd5b505161313257604080517f08c379a000000000000000000000000000000000000000000000000000000000815260206004820152601e60248201527f46696174546f6b656e56323a20696e76616c6964207369676e61747572650000604482015290519081900360640190fd5b73ffffffffffffffffffffffffffffffffffffffff8216600081815260066020908152604080832085845290915280822080547fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff00166001179055518392917f98de503528ee59b575ef0c0a2576a82497bfc029a5685b209e9ec333479b10a591a35050565b6040517f19010000000000000000000000000000000000000000000000000000000000008152600281019290925260228201526042902090565b60008184841115614d0e576040517f08c379a00000000000000000000000000000000000000000000000000000000081526004018080602001828103825283818151815260200191508051906020019080838360005b83811015614cd3578181015183820152602001614cbb565b50505050905090810190601f168015614d005780820380516001836020036101000a031916815260200191505b509250505060405180910390fd5b505050900390565b6060614d78826040518060400160405280602081526020017f5361666545524332303a206c6f772d6c6576656c2063616c6c206661696c65648152508573ffffffffffffffffffffffffffffffffffffffff16614e7c9092919063ffffffff16565b80519091501561313257808060200190516020811015614d9757600080fd5b5051613132576040517f08c379a000000000000000000000000000000000000000000000000000000000815260040180806020018281038252602a8152602001806155b6602a913960400191505060405180910390fd5b73ffffffffffffffffffffffffffffffffffffffff8216600090815260066020908152604080832084845290915290205460ff1615614e78576040517f08c379a000000000000000000000000000000000000000000000000000000000815260040180806020018281038252602e815260200180615608602e913960400191505060405180910390fd5b5050565b6060614e8b8484600085614e93565b949350505050565b606082471015614eee576040517f08c379a00000000000000000000000000000000000000000000000000000000081526004018080602001828103825260268152602001806153b86026913960400191505060405180910390fd5b614ef78561504e565b614f6257604080517f08c379a000000000000000000000000000000000000000000000000000000000815260206004820152601d60248201527f416464726573733a2063616c6c20746f206e6f6e2d636f6e7472616374000000604482015290519081900360640190fd5b600060608673ffffffffffffffffffffffffffffffffffffffff1685876040518082805190602001908083835b60208310614fcc57805182527fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffe09092019160209182019101614f8f565b6001836020036101000a03801982511681845116808217855250505050505090500191505060006040518083038185875af1925050503d806000811461502e576040519150601f19603f3d011682016040523d82523d6000602084013e615033565b606091505b5091509150615043828286615054565b979650505050505050565b3b151590565b60608315615063575081613f95565b8251156150735782518084602001fd5b6040517f08c379a0000000000000000000000000000000000000000000000000000000008152602060048201818152845160248401528451859391928392604401919085019080838360008315614cd3578181015183820152602001614cbb565b828054600181600116156101000203166002900490600052602060002090601f016020900481019282601f1061511557805160ff1916838001178555615142565b82800160010185558215615142579182015b82811115615142578251825591602001919060010190615127565b5061514e929150615152565b5090565b5b8082111561514e576000815560010161515356fe45524332303a207472616e7366657220746f20746865207a65726f20616464726573735061757361626c653a206e65772070617573657220697320746865207a65726f206164647265737346696174546f6b656e56323a20617574686f72697a6174696f6e206973206e6f74207965742076616c696446696174546f6b656e3a206275726e20616d6f756e74206e6f742067726561746572207468616e203046696174546f6b656e3a206d696e7420746f20746865207a65726f20616464726573734f776e61626c653a206e6577206f776e657220697320746865207a65726f206164647265737345524332303a20617070726f766520746f20746865207a65726f206164647265737346696174546f6b656e3a206e65772070617573657220697320746865207a65726f2061646472657373526573637561626c653a206e6577207265736375657220697320746865207a65726f206164647265737346696174546f6b656e56325f323a204163636f756e7420697320626c61636b6c697374656446696174546f6b656e3a206d696e7420616d6f756e74206e6f742067726561746572207468616e203045524332303a207472616e7366657220616d6f756e7420657863656564732062616c616e636546696174546f6b656e3a2063616c6c6572206973206e6f7420746865206d61737465724d696e746572426c61636b6c69737461626c653a2063616c6c6572206973206e6f742074686520626c61636b6c697374657246696174546f6b656e56325f323a2042616c616e636520657863656564732028325e323535202d203129416464726573733a20696e73756666696369656e742062616c616e636520666f722063616c6c46696174546f6b656e3a206275726e20616d6f756e7420657863656564732062616c616e636546696174546f6b656e3a2063616c6c6572206973206e6f742061206d696e74657246696174546f6b656e3a206e6577206d61737465724d696e74657220697320746865207a65726f2061646472657373526573637561626c653a2063616c6c6572206973206e6f7420746865207265736375657245524332303a207472616e7366657220616d6f756e74206578636565647320616c6c6f77616e636546696174546f6b656e3a206e657720626c61636b6c697374657220697320746865207a65726f206164647265737346696174546f6b656e56323a2063616c6c6572206d7573742062652074686520706179656546696174546f6b656e3a20636f6e747261637420697320616c726561647920696e697469616c697a656445524332303a207472616e736665722066726f6d20746865207a65726f206164647265737345524332303a20617070726f76652066726f6d20746865207a65726f206164647265737346696174546f6b656e3a206d696e7420616d6f756e742065786365656473206d696e746572416c6c6f77616e63655061757361626c653a2063616c6c6572206973206e6f7420746865207061757365725361666545524332303a204552433230206f7065726174696f6e20646964206e6f74207375636365656446696174546f6b656e3a206e6577206f776e657220697320746865207a65726f206164647265737346696174546f6b656e56323a20617574686f72697a6174696f6e2069732075736564206f722063616e63656c6564426c61636b6c69737461626c653a206e657720626c61636b6c697374657220697320746865207a65726f2061646472657373426c61636b6c69737461626c653a206163636f756e7420697320626c61636b6c697374656446696174546f6b656e56323a20617574686f72697a6174696f6e206973206578706972656445524332303a2064656372656173656420616c6c6f77616e63652062656c6f77207a65726fa26469706673582212204cca9dfc6f47b6ac22cdca8f88c40e170a8e45659c5006f0e9bdd69d09a0afa264736f6c634300060c0033