Contract Source Code (Solidity Standard Json-Input format)

IDE

• Blockscan IDE
• 🤖 Code ReaderBeta

More Options

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

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
// SPDX-License-Identifier: GPL-3.0
pragma solidity ^0.8.17;
import {EfficientCall} from '@matterlabs/zksync-contracts/l2/system-contracts/libraries/EfficientCall.sol';
contract AccountProxy {
    event Upgraded(address indexed implementation);
    //keccak-256 of "eip1967.proxy.implementation" subtracted by 1
    bytes32 private constant _IMPLEMENTATION_SLOT =
        0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc;
    /**
     * @notice Sets the initial implementation contract.
     * @param implementation address - Address of the implementation contract.
     */
    constructor(address implementation) {
        assembly {
            sstore(_IMPLEMENTATION_SLOT, implementation)
        }
        emit Upgraded(implementation);
    }
    /**
     * @dev Fallback function that delegates the call to the implementation contract.
     */
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
// SPDX-License-Identifier: MIT OR Apache-2.0
pragma solidity ^0.8.0;
import "./SystemContractHelper.sol";
import "./Utils.sol";
import {SHA256_SYSTEM_CONTRACT, KECCAK256_SYSTEM_CONTRACT} from "../Constants.sol";
/**
 * @author Matter Labs
 * @notice This library is used to perform ultra-efficient calls using zkEVM-specific features.
 * @dev EVM calls always accept a memory slice as input and return a memory slice as output.
 * Therefore, even if the user has a ready-made calldata slice, they still need to copy it to memory
 * before calling. This is especially inefficient for large inputs (proxies, multi-calls, etc.).
 * In turn, zkEVM operates over a fat pointer, which is a set of (memory page, offset, start, length) in the memory/calldata/returndata.
 * This allows forwarding the calldata slice as is, without copying it to memory.
 * @dev Fat pointer is not just an integer, it is an extended data type supported on the VM level.
 * zkEVM creates the wellformed fat pointers for all the calldata/returndata regions, later
 * the contract may manipulate the already created fat pointers to forward a slice of the data, but not
 * to create new fat pointers!
 * @dev The allowed operation on fat pointers are:
 * 1. `ptr.add` - Transforms `ptr.offset` into `ptr.offset + u32(_value)`. If overflow happens then it panics.
 * 2. `ptr.sub` - Transforms `ptr.offset` into `ptr.offset - u32(_value)`. If underflow happens then it panics.
 * 3. `ptr.pack` - Do the concatenation between the lowest 128 bits of the pointer itself and the highest 128 bits of `_value`. It is typically used 
     to prepare the ABI for external calls.
 * 4. `ptr.shrink` - Transforms `ptr.length` into `ptr.length - u32(_shrink)`. If underflow happens then it panics.
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
import "./interfaces/IAccountCodeStorage.sol";
import "./interfaces/INonceHolder.sol";
import "./interfaces/IContractDeployer.sol";
import "./interfaces/IKnownCodesStorage.sol";
import "./interfaces/IImmutableSimulator.sol";
import "./interfaces/IEthToken.sol";
import "./interfaces/IL1Messenger.sol";
import "./interfaces/ISystemContext.sol";
import "./interfaces/IBytecodeCompressor.sol";
import "./BootloaderUtilities.sol";
/// @dev All the system contracts introduced by zkSync have their addresses
/// started from 2^15 in order to avoid collision with Ethereum precompiles.
uint160 constant SYSTEM_CONTRACTS_OFFSET = 0x8000; // 2^15
/// @dev All the system contracts must be located in the kernel space,
/// i.e. their addresses must be below 2^16.
uint160 constant MAX_SYSTEM_CONTRACT_ADDRESS = 0xffff; // 2^16 - 1
address constant ECRECOVER_SYSTEM_CONTRACT = address(0x01);
address constant SHA256_SYSTEM_CONTRACT = address(0x02);
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
// SPDX-License-Identifier: MIT
pragma solidity ^0.8;
import {MAX_SYSTEM_CONTRACT_ADDRESS, MSG_VALUE_SYSTEM_CONTRACT} from "../Constants.sol";
import "./SystemContractsCaller.sol";
import "./Utils.sol";
uint256 constant UINT32_MASK = 0xffffffff;
uint256 constant UINT128_MASK = 0xffffffffffffffffffffffffffffffff;
/// @dev The mask that is used to convert any uint256 to a proper address.
/// It needs to be padded with `00` to be treated as uint256 by Solidity
uint256 constant ADDRESS_MASK = 0x00ffffffffffffffffffffffffffffffffffffffff;
struct ZkSyncMeta {
    uint32 gasPerPubdataByte;
    uint32 heapSize;
    uint32 auxHeapSize;
    uint8 shardId;
    uint8 callerShardId;
    uint8 codeShardId;
}
enum Global {
    CalldataPtr,
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
// SPDX-License-Identifier: MIT
pragma solidity >=0.8.0;
import "./EfficientCall.sol";
/**
 * @author Matter Labs
 * @dev Common utilities used in zkSync system contracts
 */
library Utils {
    /// @dev Bit mask of bytecode hash "isConstructor" marker
    bytes32 constant IS_CONSTRUCTOR_BYTECODE_HASH_BIT_MASK =
        0x00ff000000000000000000000000000000000000000000000000000000000000;
    /// @dev Bit mask to set the "isConstructor" marker in the bytecode hash
    bytes32 constant SET_IS_CONSTRUCTOR_MARKER_BIT_MASK =
        0x0001000000000000000000000000000000000000000000000000000000000000;
    function safeCastToU128(uint256 _x) internal pure returns (uint128) {
        require(_x <= type(uint128).max, "Overflow");
        return uint128(_x);
    }
    function safeCastToU32(uint256 _x) internal pure returns (uint32) {
        require(_x <= type(uint32).max, "Overflow");
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
interface IContractDeployer {
    /// @notice Defines the version of the account abstraction protocol
    /// that a contract claims to follow.
    /// - `None` means that the account is just a contract and it should never be interacted
    /// with as a custom account
    /// - `Version1` means that the account follows the first version of the account abstraction protocol
    enum AccountAbstractionVersion {
        None,
        Version1
    }
    /// @notice Defines the nonce ordering used by the account
    /// - `Sequential` means that it is expected that the nonces are monotonic and increment by 1
    /// at a time (the same as EOAs).
    /// - `Arbitrary` means that the nonces for the accounts can be arbitrary. The operator
    /// should serve the transactions from such an account on a first-come-first-serve basis.
    /// @dev This ordering is more of a suggestion to the operator on how the AA expects its transactions
    /// to be processed and is not considered as a system invariant.
    enum AccountNonceOrdering {
        Sequential,
        Arbitrary
    }
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
interface IKnownCodesStorage {
    event MarkedAsKnown(bytes32 indexed bytecodeHash, bool indexed sendBytecodeToL1);
    function markFactoryDeps(bool _shouldSendToL1, bytes32[] calldata _hashes) external;
    function markBytecodeAsPublished(
        bytes32 _bytecodeHash,
        bytes32 _l1PreimageHash,
        uint256 _l1PreimageBytesLen
    ) external;
    function getMarker(bytes32 _hash) external view returns (uint256);
}
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
interface IAccountCodeStorage {
    function storeAccountConstructingCodeHash(address _address, bytes32 _hash) external;
    function storeAccountConstructedCodeHash(address _address, bytes32 _hash) external;
    function markAccountCodeHashAsConstructed(address _address) external;
    function getRawCodeHash(address _address) external view returns (bytes32 codeHash);
    function getCodeHash(uint256 _input) external view returns (bytes32 codeHash);
    function getCodeSize(uint256 _input) external view returns (uint256 codeSize);
}
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
/**
 * @author Matter Labs
 * @dev Interface of the nonce holder contract -- a contract used by the system to ensure
 * that there is always a unique identifier for a transaction with a particular account (we call it nonce).
 * In other words, the pair of (address, nonce) should always be unique.
 * @dev Custom accounts should use methods of this contract to store nonces or other possible unique identifiers
 * for the transaction.
 */
interface INonceHolder {
    event ValueSetUnderNonce(address indexed accountAddress, uint256 indexed key, uint256 value);
    /// @dev Returns the current minimal nonce for account.
    function getMinNonce(address _address) external view returns (uint256);
    /// @dev Returns the raw version of the current minimal nonce
    /// (equal to minNonce + 2^128 * deployment nonce).
    function getRawNonce(address _address) external view returns (uint256);
    /// @dev Increases the minimal nonce for the msg.sender.
    function increaseMinNonce(uint256 _value) external returns (uint256);
    /// @dev Sets the nonce value `key` as used.
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
interface IEthToken {
    function balanceOf(uint256) external view returns (uint256);
    function transferFromTo(address _from, address _to, uint256 _amount) external;
    function totalSupply() external view returns (uint256);
    function name() external pure returns (string memory);
    function symbol() external pure returns (string memory);
    function decimals() external pure returns (uint8);
    function mint(address _account, uint256 _amount) external;
    function withdraw(address _l1Receiver) external payable;
    event Mint(address indexed account, uint256 amount);
    event Transfer(address indexed from, address indexed to, uint256 value);
    event Withdrawal(address indexed _l2Sender, address indexed _l1Receiver, uint256 _amount);
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

1
2
3
4
5
6
7
8
9
10
11
12
13
14
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
struct ImmutableData {
    uint256 index;
    bytes32 value;
}
interface IImmutableSimulator {
    function getImmutable(address _dest, uint256 _index) external view returns (bytes32);
    function setImmutables(address _dest, ImmutableData[] calldata _immutables) external;
}
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

1
2
3
4
5
6
7
8
9
10
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
interface IBytecodeCompressor {
    function publishCompressedBytecode(
        bytes calldata _bytecode,
        bytes calldata _rawCompressedData
    ) external payable returns (bytes32 bytecodeHash);
}
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

1
2
3
4
5
6
7
8
9
10
11
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
interface IL1Messenger {
    // Possibly in the future we will be able to track the messages sent to L1 with
    // some hooks in the VM. For now, it is much easier to track them with L2 events.
    event L1MessageSent(address indexed _sender, bytes32 indexed _hash, bytes _message);
    function sendToL1(bytes memory _message) external returns (bytes32);
}
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
import "./interfaces/IBootloaderUtilities.sol";
import "./libraries/TransactionHelper.sol";
import "./libraries/RLPEncoder.sol";
import "./libraries/EfficientCall.sol";
/**
 * @author Matter Labs
 * @notice A contract that provides some utility methods for the bootloader
 * that is very hard to write in Yul.
 */
contract BootloaderUtilities is IBootloaderUtilities {
    using TransactionHelper for *;
    /// @notice Calculates the canonical transaction hash and the recommended transaction hash.
    /// @param _transaction The transaction.
    /// @return txHash and signedTxHash of the transaction, i.e. the transaction hash to be used in the explorer and commits to all
    /// the fields of the transaction and the recommended hash to be signed for this transaction.
    /// @dev txHash must be unique for all transactions.
    function getTransactionHashes(
        Transaction calldata _transaction
    ) external view override returns (bytes32 txHash, bytes32 signedTxHash) {
        signedTxHash = _transaction.encodeHash();
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
// SPDX-License-Identifier: MIT
pragma solidity ^0.8;
import {MSG_VALUE_SYSTEM_CONTRACT, MSG_VALUE_SIMULATOR_IS_SYSTEM_BIT} from "../Constants.sol";
import "./Utils.sol";
// Addresses used for the compiler to be replaced with the
// zkSync-specific opcodes during the compilation.
// IMPORTANT: these are just compile-time constants and are used
// only if used in-place by Yul optimizer.
address constant TO_L1_CALL_ADDRESS = address((1 << 16) - 1);
address constant CODE_ADDRESS_CALL_ADDRESS = address((1 << 16) - 2);
address constant PRECOMPILE_CALL_ADDRESS = address((1 << 16) - 3);
address constant META_CALL_ADDRESS = address((1 << 16) - 4);
address constant MIMIC_CALL_CALL_ADDRESS = address((1 << 16) - 5);
address constant SYSTEM_MIMIC_CALL_CALL_ADDRESS = address((1 << 16) - 6);
address constant MIMIC_CALL_BY_REF_CALL_ADDRESS = address((1 << 16) - 7);
address constant SYSTEM_MIMIC_CALL_BY_REF_CALL_ADDRESS = address((1 << 16) - 8);
address constant RAW_FAR_CALL_CALL_ADDRESS = address((1 << 16) - 9);
address constant RAW_FAR_CALL_BY_REF_CALL_ADDRESS = address((1 << 16) - 10);
address constant SYSTEM_CALL_CALL_ADDRESS = address((1 << 16) - 11);
address constant SYSTEM_CALL_BY_REF_CALL_ADDRESS = address((1 << 16) - 12);
address constant SET_CONTEXT_VALUE_CALL_ADDRESS = address((1 << 16) - 13);
address constant SET_PUBDATA_PRICE_CALL_ADDRESS = address((1 << 16) - 14);
address constant INCREMENT_TX_COUNTER_CALL_ADDRESS = address((1 << 16) - 15);
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
/**
 * @author Matter Labs
 * @notice Contract that stores some of the context variables, that may be either
 * block-scoped, tx-scoped or system-wide.
 */
interface ISystemContext {
    function chainId() external view returns (uint256);
    function origin() external view returns (address);
    function gasPrice() external view returns (uint256);
    function blockGasLimit() external view returns (uint256);
    function coinbase() external view returns (address);
    function difficulty() external view returns (uint256);
    function baseFee() external view returns (uint256);
    function blockHash(uint256 _block) external view returns (bytes32);
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

1
2
3
4
5
6
7
8
9
10
11
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
import "../libraries/TransactionHelper.sol";
interface IBootloaderUtilities {
    function getTransactionHashes(
        Transaction calldata _transaction
    ) external view returns (bytes32 txHash, bytes32 signedTxHash);
}
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
import "../openzeppelin/token/ERC20/IERC20.sol";
import "../openzeppelin/token/ERC20/utils/SafeERC20.sol";
import "../interfaces/IPaymasterFlow.sol";
import "../interfaces/IContractDeployer.sol";
import {ETH_TOKEN_SYSTEM_CONTRACT, BOOTLOADER_FORMAL_ADDRESS} from "../Constants.sol";
import "./RLPEncoder.sol";
import "./EfficientCall.sol";
/// @dev The type id of zkSync's EIP-712-signed transaction.
uint8 constant EIP_712_TX_TYPE = 0x71;
/// @dev The type id of legacy transactions.
uint8 constant LEGACY_TX_TYPE = 0x0;
/// @dev The type id of legacy transactions.
uint8 constant EIP_2930_TX_TYPE = 0x01;
/// @dev The type id of EIP1559 transactions.
uint8 constant EIP_1559_TX_TYPE = 0x02;
/// @notice Structure used to represent zkSync transaction.
struct Transaction {
    // The type of the transaction.
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
library RLPEncoder {
    function encodeAddress(address _val) internal pure returns (bytes memory encoded) {
        // The size is equal to 20 bytes of the address itself + 1 for encoding bytes length in RLP.
        encoded = new bytes(0x15);
        bytes20 shiftedVal = bytes20(_val);
        assembly {
            // In the first byte we write the encoded length as 0x80 + 0x14 == 0x94.
            mstore(add(encoded, 0x20), 0x9400000000000000000000000000000000000000000000000000000000000000)
            // Write address data without stripping zeros.
            mstore(add(encoded, 0x21), shiftedVal)
        }
    }
    function encodeUint256(uint256 _val) internal pure returns (bytes memory encoded) {
        unchecked {
            if (_val < 128) {
                encoded = new bytes(1);
                // Handle zero as a non-value, since stripping zeroes results in an empty byte array
                encoded[0] = (_val == 0) ? bytes1(uint8(128)) : bytes1(uint8(_val));
            } else {
                uint256 hbs = _highestByteSet(_val);
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.6.0) (token/ERC20/IERC20.sol)
pragma solidity ^0.8.0;
/**
 * @dev Interface of the ERC20 standard as defined in the EIP.
 */
interface IERC20 {
    /**
     * @dev Emitted when `value` tokens are moved from one account (`from`) to
     * another (`to`).
     *
     * Note that `value` may be zero.
     */
    event Transfer(address indexed from, address indexed to, uint256 value);
    /**
     * @dev Emitted when the allowance of a `spender` for an `owner` is set by
     * a call to {approve}. `value` is the new allowance.
     */
    event Approval(address indexed owner, address indexed spender, uint256 value);
    /**
     * @dev Returns the amount of tokens in existence.
     */
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
/**
 * @author Matter Labs
 * @dev The interface that is used for encoding/decoding of
 * different types of paymaster flows.
 * @notice This is NOT an interface to be implementated
 * by contracts. It is just used for encoding.
 */
interface IPaymasterFlow {
    function general(bytes calldata input) external;
    function approvalBased(address _token, uint256 _minAllowance, bytes calldata _innerInput) external;
}
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.8.0) (token/ERC20/utils/SafeERC20.sol)
pragma solidity ^0.8.0;
import "../IERC20.sol";
import "../extensions/IERC20Permit.sol";
import "../../../utils/Address.sol";
/**
 * @title SafeERC20
 * @dev Wrappers around ERC20 operations that throw on failure (when the token
 * contract returns false). Tokens that return no value (and instead revert or
 * throw on failure) are also supported, non-reverting calls are assumed to be
 * successful.
 * To use this library you can add a `using SafeERC20 for IERC20;` statement to your contract,
 * which allows you to call the safe operations as `token.safeTransfer(...)`, etc.
 */
library SafeERC20 {
    using Address for address;
    function safeTransfer(
        IERC20 token,
        address to,
        uint256 value
    ) internal {
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.8.0) (utils/Address.sol)
pragma solidity ^0.8.1;
/**
 * @dev Collection of functions related to the address type
 */
library Address {
    /**
     * @dev Returns true if `account` is a contract.
     *
     * [IMPORTANT]
     * ====
     * It is unsafe to assume that an address for which this function returns
     * false is an externally-owned account (EOA) and not a contract.
     *
     * Among others, `isContract` will return false for the following
     * types of addresses:
     *
     *  - an externally-owned account
     *  - a contract in construction
     *  - an address where a contract will be created
     *  - an address where a contract lived, but was destroyed
     * ====
     *
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (token/ERC20/extensions/IERC20Permit.sol)
pragma solidity ^0.8.0;
/**
 * @dev Interface of the ERC20 Permit extension allowing approvals to be made via signatures, as defined in
 * https://eips.ethereum.org/EIPS/eip-2612[EIP-2612].
 *
 * Adds the {permit} method, which can be used to change an account's ERC20 allowance (see {IERC20-allowance}) by
 * presenting a message signed by the account. By not relying on {IERC20-approve}, the token holder account doesn't
 * need to send a transaction, and thus is not required to hold Ether at all.
 */
interface IERC20Permit {
    /**
     * @dev Sets `value` as the allowance of `spender` over ``owner``'s tokens,
     * given ``owner``'s signed approval.
     *
     * IMPORTANT: The same issues {IERC20-approve} has related to transaction
     * ordering also apply here.
     *
     * Emits an {Approval} event.
     *
     * Requirements:
     *
     * - `spender` cannot be the zero address.
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
{
  "evmVersion": "cancun",
  "optimizer": {
    "enabled": true,
    "mode": "3"
  },
  "outputSelection": {
    "*": {
      "*": [
        "abi"
      ]
    }
  },
  "detectMissingLibraries": false,
  "forceEVMLA": false,
  "enableEraVMExtensions": true,
  "libraries": {
    "contracts/libraries/StringUtils.sol": {
      "StringUtils": "0x7e390c46302Fb6D7f6C7b4e36937287eB678FBC0"
    }
  }
}
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

• No Contract Security Audit Submitted- Submit Audit Here

[{"inputs":[{"internalType":"address","name":"implementation","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"implementation","type":"address"}],"name":"Upgraded","type":"event"},{"stateMutability":"payable","type":"fallback"}]

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