Contract

Contract Source Code (Solidity Standard Json-Input format)

IDE

• Blockscan IDE
• 🤖 Code ReaderBeta
• Remix IDE

More Options

• Similar
• Sol2Uml
• Submit Audit
• Compare

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

import "./interfaces/IERC20Extended.sol";
import "./lib/SafeERC20.sol";

/**
 * @title Migrator
 * @dev Migrate from old token to new token
 */
contract Migrator {
    using SafeERC20 for IERC20Extended;

    /// @notice From token
    IERC20Extended public immutable fromToken;

    /// @notice To token
    IERC20Extended public immutable toToken;

    /// @notice Event emitted on each migration
    event Migrate(uint256 amount, address fromToken, address toToken, address migrator);

    /**
     * @notice Construct new Migrator
     * @param _fromToken From token
     * @param _toToken To token
     */
    constructor(address _fromToken, address _toToken) {
        fromToken = IERC20Extended(_fromToken);
        toToken = IERC20Extended(_toToken);
    }

    /**
     * @notice Migrate to new token
     * @param amount Amount to migrate
     */
    function migrate(uint256 amount) external {
        _migrate(msg.sender, amount);
    }

    /**
     * @notice Migrate to new token, sending new tokens to specified receiver address
     * @param receiver Address that will receive new tokens
     * @param amount Amount to migrate
     */
    function migrateTo(address receiver, uint256 amount) external {
        _migrate(receiver, amount);
    }

    /**
     * @notice Migrate to new token using permit for approvals
     * @param amount Amount to migrate
     * @param deadline The time at which to expire the signature
     * @param v The recovery byte of the signature
     * @param r Half of the ECDSA signature pair
     * @param s Half of the ECDSA signature pair
     */
    function migrateWithPermit(
        uint256 amount,
        uint256 deadline, 
        uint8 v, 
        bytes32 r, 
        bytes32 s
    ) external {
        fromToken.permit(msg.sender, address(this), amount, deadline, v, r, s);
        _migrate(msg.sender, amount);
    }

    /**
     * @notice Migrate to new token, sending new tokens to specified receiver using permit for approvals
     * @param receiver Address that will receive new tokens
     * @param amount Amount to migrate
     * @param deadline The time at which to expire the signature
     * @param v The recovery byte of the signature
     * @param r Half of the ECDSA signature pair
     * @param s Half of the ECDSA signature pair
     */
    function migrateToWithPermit(
        address receiver,
        uint256 amount,
        uint256 deadline, 
        uint8 v, 
        bytes32 r, 
        bytes32 s
    ) external {
        fromToken.permit(msg.sender, address(this), amount, deadline, v, r, s);
        _migrate(receiver, amount);
    }
    
    /**
     * @notice Internal implementation of migrate
     * @param receiver Address that will receive new tokens
     * @param amount Amount to migrate
     */
    function _migrate(address receiver, uint256 amount) internal {
        fromToken.safeTransferFrom(msg.sender, address(this), amount);
        toToken.mint(receiver, amount);
        emit Migrate(amount, address(fromToken), address(toToken), receiver);
    }
}

// SPDX-License-Identifier: MIT

pragma solidity ^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 ^0.8.0;

import "./IERC20.sol";

interface IERC20Burnable is IERC20 {
    function burn(uint256 amount) external returns (bool);
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

import "./IERC20Metadata.sol";
import "./IERC20Mintable.sol";
import "./IERC20Burnable.sol";
import "./IERC20Permit.sol";
import "./IERC20TransferWithAuth.sol";
import "./IERC20SafeAllowance.sol";

interface IERC20Extended is 
    IERC20Metadata, 
    IERC20Mintable, 
    IERC20Burnable, 
    IERC20Permit,
    IERC20TransferWithAuth,
    IERC20SafeAllowance 
{}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

import "./IERC20.sol";

interface IERC20Metadata is IERC20 {
    /**
     * @dev Returns the name of the token.
     */
    function name() external view returns (string memory);

    /**
     * @dev Returns the symbol of the token.
     */
    function symbol() external view returns (string memory);

    /**
     * @dev Returns the decimals places of the token.
     */
    function decimals() external view returns (uint8);
}

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

import "./IERC20.sol";

interface IERC20Mintable is IERC20 {
    function mint(address dst, uint256 amount) external returns (bool);
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

import "./IERC20.sol";

interface IERC20Permit is IERC20 {
    function getDomainSeparator() external view returns (bytes32);
    function DOMAIN_TYPEHASH() external view returns (bytes32);
    function VERSION_HASH() external view returns (bytes32);
    function PERMIT_TYPEHASH() external view returns (bytes32);
    function nonces(address) external view returns (uint);
    function permit(address owner, address spender, uint256 value, uint256 deadline, uint8 v, bytes32 r, bytes32 s) external;
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

import "./IERC20.sol";

interface IERC20SafeAllowance is IERC20 {
    function increaseAllowance(address spender, uint256 addedValue) external returns (bool);
    function decreaseAllowance(address spender, uint256 subtractedValue) external returns (bool);
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

import "./IERC20.sol";

interface IERC20TransferWithAuth is IERC20 {
    function transferWithAuthorization(address from, address to, uint256 value, uint256 validAfter, uint256 validBefore, bytes32 nonce, uint8 v, bytes32 r, bytes32 s) external;
    function receiveWithAuthorization(address from, address to, uint256 value, uint256 validAfter, uint256 validBefore, bytes32 nonce, uint8 v, bytes32 r, bytes32 s) external;
    function TRANSFER_WITH_AUTHORIZATION_TYPEHASH() external view returns (bytes32);
    function RECEIVE_WITH_AUTHORIZATION_TYPEHASH() external view returns (bytes32);
    event AuthorizationUsed(address indexed authorizer, bytes32 indexed nonce);
}

// SPDX-License-Identifier: MIT
pragma solidity ^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;
        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");

        (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");

        (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");

        (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");

        (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

                assembly {
                    let returndata_size := mload(returndata)
                    revert(add(32, returndata), returndata_size)
                }
            } else {
                revert(errorMessage);
            }
        }
    }
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

import "../interfaces/IERC20.sol";
import "./Address.sol";

/**
 * @title SafeERC20
 * @dev Wrappers around ERC20 operations that throw on failure (when the token
 * contract returns false). Tokens that return no value (and instead revert or
 * throw on failure) are also supported, non-reverting calls are assumed to be
 * successful.
 * To use this library you can add a `using SafeERC20 for IERC20;` statement to your contract,
 * which allows you to call the safe operations as `token.safeTransfer(...)`, etc.
 */
library SafeERC20 {
    using Address for address;

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

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

    /**
     * @dev Deprecated. This function has issues similar to the ones found in
     * {IERC20-approve}, and its usage is discouraged.
     *
     * Whenever possible, use {safeIncreaseAllowance} and
     * {safeDecreaseAllowance} instead.
     */
    function safeApprove(
        IERC20 token,
        address spender,
        uint256 value
    ) internal {
        // safeApprove should only be called when setting an initial allowance,
        // or when resetting it to zero. To increase and decrease it, use
        // 'safeIncreaseAllowance' and 'safeDecreaseAllowance'
        require(
            (value == 0) || (token.allowance(address(this), spender) == 0),
            "SafeERC20: approve from non-zero to non-zero allowance"
        );
        _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, value));
    }

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

    function safeDecreaseAllowance(
        IERC20 token,
        address spender,
        uint256 value
    ) internal {
        unchecked {
            uint256 oldAllowance = token.allowance(address(this), spender);
            require(oldAllowance >= value, "SafeERC20: decreased allowance below zero");
            uint256 newAllowance = oldAllowance - value;
            _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance));
        }
    }

    /**
     * @dev Imitates a Solidity high-level call (i.e. a regular function call to a contract), relaxing the requirement
     * on the return value: the return value is optional (but if data is returned, it must not be false).
     * @param token The token targeted by the call.
     * @param data The call data (encoded using abi.encode or one of its variants).
     */
    function _callOptionalReturn(IERC20 token, bytes memory data) private {
        // We need to perform a low level call here, to bypass Solidity's return data size checking mechanism, since
        // we're implementing it ourselves. We use {Address.functionCall} to perform this call, which verifies that
        // the target address contains contract code and also asserts for success in the low-level call.

        bytes memory returndata = address(token).functionCall(data, "SafeERC20: low-level call failed");
        if (returndata.length > 0) {
            // Return data is optional
            require(abi.decode(returndata, (bool)), "SafeERC20: ERC20 operation did not succeed");
        }
    }
}

{
  "evmVersion": "berlin",
  "libraries": {},
  "metadata": {
    "bytecodeHash": "ipfs",
    "useLiteralContent": true
  },
  "optimizer": {
    "enabled": true,
    "runs": 999999
  },
  "remappings": [],
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "abi"
      ]
    }
  }
}

• No Contract Security Audit Submitted- Submit Audit Here

[{"inputs":[{"internalType":"address","name":"_fromToken","type":"address"},{"internalType":"address","name":"_toToken","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"},{"indexed":false,"internalType":"address","name":"fromToken","type":"address"},{"indexed":false,"internalType":"address","name":"toToken","type":"address"},{"indexed":false,"internalType":"address","name":"migrator","type":"address"}],"name":"Migrate","type":"event"},{"inputs":[],"name":"fromToken","outputs":[{"internalType":"contract IERC20Extended","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"migrate","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"receiver","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"migrateTo","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"receiver","type":"address"},{"internalType":"uint256","name":"amount","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":"migrateToWithPermit","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"amount","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":"migrateWithPermit","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"toToken","outputs":[{"internalType":"contract IERC20Extended","name":"","type":"address"}],"stateMutability":"view","type":"function"}]

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

0000000000000000000000001f3f9d3068568f8040775be2e8c03c103c61f3af0000000000000000000000001559fa1b8f28238fd5d76d9f434ad86fd20d1559

-----Decoded View---------------
Arg [0] : _fromToken (address): 0x1F3f9D3068568F8040775be2e8C03C103C61f3aF
Arg [1] : _toToken (address): 0x1559FA1b8F28238FD5D76D9f434ad86FD20D1559

-----Encoded View---------------
2 Constructor Arguments found :
Arg [0] : 0000000000000000000000001f3f9d3068568f8040775be2e8c03c103c61f3af
Arg [1] : 0000000000000000000000001559fa1b8f28238fd5d76d9f434ad86fd20d1559