ETH Price: $3,651.00 (-1.13%)

Token

ERC-20: Lyra ETH market Liquidity Pool Token (LyETHpt)

Overview

Max Total Supply

51,895.759816009994411878 LyETHpt

Holders

681

Market

Price

$0.00 @ 0.000000 ETH

Onchain Market Cap

$0.00

Circulating Supply Market Cap

-

Other Info

Token Contract (WITH 18 Decimals)

Balance
29.392415295999540994 LyETHpt

Value
$0.00
0x27a86AbF8DdcB96CE1B822eb883fd03D795de462
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Similar Match Source Code
This contract matches the deployed Bytecode of the Source Code for Contract 0x180274B8...Be475d1BD
The constructor portion of the code might be different and could alter the actual behaviour of the contract

Contract Name:
LiquidityToken

Compiler Version
v0.8.9+commit.e5eed63a

Optimization Enabled:
Yes with 10000 runs

Other Settings:
default evmVersion
File 1 of 10 : LiquidityToken.sol
//SPDX-License-Identifier: ISC
pragma solidity 0.8.9;

// Libraries
import "./synthetix/DecimalMath.sol";
// Inherited
import "openzeppelin-contracts-4.4.1/token/ERC20/ERC20.sol";
import "./synthetix/Owned.sol";
import "./libraries/SimpleInitializeable.sol";

// Interfaces
import "./interfaces/ILiquidityTracker.sol";

/**
 * @title LiquidityToken
 * @author Lyra
 * @dev An ERC20 token which represents a share of the LiquidityPool.
 * It is minted when users deposit, and burned when users withdraw.
 */
contract LiquidityToken is ERC20, Owned, SimpleInitializeable {
  using DecimalMath for uint;

  /// @dev The liquidityPool for which these tokens represent a share of
  address public liquidityPool;
  /// @dev Contract to call when liquidity gets updated. Basically a hook for future contracts to use.
  ILiquidityTracker public liquidityTracker;

  ///////////
  // Setup //
  ///////////

  /**
   * @param name_ Token collection name
   * @param symbol_ Token collection symbol
   */
  constructor(string memory name_, string memory symbol_) ERC20(name_, symbol_) Owned() {}

  /**
   * @dev Initialize the contract.
   * @param _liquidityPool LiquidityPool address
   */
  function init(address _liquidityPool) external onlyOwner initializer {
    liquidityPool = _liquidityPool;
  }

  ///////////
  // Admin //
  ///////////

  function setLiquidityTracker(ILiquidityTracker _liquidityTracker) external onlyOwner {
    liquidityTracker = _liquidityTracker;
    emit LiquidityTrackerSet(liquidityTracker);
  }

  ////////////////////////
  // Only LiquidityPool //
  ////////////////////////

  /**
   * @dev Mints new tokens and transfers them to `owner`.
   */
  function mint(address account, uint tokenAmount) external onlyLiquidityPool {
    _mint(account, tokenAmount);
  }

  /**
   * @dev Burn new tokens and transfers them to `owner`.
   */
  function burn(address account, uint tokenAmount) external onlyLiquidityPool {
    _burn(account, tokenAmount);
  }

  //////////
  // Misc //
  //////////
  /**
   * @dev Override to track the liquidty of the token. Mint, address(0), burn - to, address(0)
   */
  function _afterTokenTransfer(
    address from,
    address to,
    uint amount
  ) internal override {
    if (address(liquidityTracker) != address(0)) {
      if (from != address(0)) {
        liquidityTracker.removeTokens(from, amount);
      }
      if (to != address(0)) {
        liquidityTracker.addTokens(to, amount);
      }
    }
  }

  ///////////////
  // Modifiers //
  ///////////////

  modifier onlyLiquidityPool() {
    if (msg.sender != liquidityPool) {
      revert OnlyLiquidityPool(address(this), msg.sender, liquidityPool);
    }
    _;
  }

  ////////////
  // Events //
  ////////////
  event LiquidityTrackerSet(ILiquidityTracker liquidityTracker);

  ////////////
  // Errors //
  ////////////
  // Access
  error OnlyLiquidityPool(address thrower, address caller, address liquidityPool);
}

File 2 of 10 : DecimalMath.sol
//SPDX-License-Identifier: MIT
//
//Copyright (c) 2019 Synthetix
//
//Permission is hereby granted, free of charge, to any person obtaining a copy
//of this software and associated documentation files (the "Software"), to deal
//in the Software without restriction, including without limitation the rights
//to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
//copies of the Software, and to permit persons to whom the Software is
//furnished to do so, subject to the following conditions:
//
//The above copyright notice and this permission notice shall be included in all
//copies or substantial portions of the Software.
//
//THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
//IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
//FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
//AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
//LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
//OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
//SOFTWARE.

pragma solidity ^0.8.9;

/**
 * @title DecimalMath
 * @author Lyra
 * @dev Modified synthetix SafeDecimalMath to include internal arithmetic underflow/overflow.
 * @dev https://docs.synthetix.io/contracts/source/libraries/SafeDecimalMath/
 */

library DecimalMath {
  /* Number of decimal places in the representations. */
  uint8 public constant decimals = 18;
  uint8 public constant highPrecisionDecimals = 27;

  /* The number representing 1.0. */
  uint public constant UNIT = 10**uint(decimals);

  /* The number representing 1.0 for higher fidelity numbers. */
  uint public constant PRECISE_UNIT = 10**uint(highPrecisionDecimals);
  uint private constant UNIT_TO_HIGH_PRECISION_CONVERSION_FACTOR = 10**uint(highPrecisionDecimals - decimals);

  /**
   * @return Provides an interface to UNIT.
   */
  function unit() external pure returns (uint) {
    return UNIT;
  }

  /**
   * @return Provides an interface to PRECISE_UNIT.
   */
  function preciseUnit() external pure returns (uint) {
    return PRECISE_UNIT;
  }

  /**
   * @return The result of multiplying x and y, interpreting the operands as fixed-point
   * decimals.
   *
   * @dev A unit factor is divided out after the product of x and y is evaluated,
   * so that product must be less than 2**256. As this is an integer division,
   * the internal division always rounds down. This helps save on gas. Rounding
   * is more expensive on gas.
   */
  function multiplyDecimal(uint x, uint y) internal pure returns (uint) {
    /* Divide by UNIT to remove the extra factor introduced by the product. */
    return (x * y) / UNIT;
  }

  /**
   * @return The result of safely multiplying x and y, interpreting the operands
   * as fixed-point decimals of the specified precision unit.
   *
   * @dev The operands should be in the form of a the specified unit factor which will be
   * divided out after the product of x and y is evaluated, so that product must be
   * less than 2**256.
   *
   * Unlike multiplyDecimal, this function rounds the result to the nearest increment.
   * Rounding is useful when you need to retain fidelity for small decimal numbers
   * (eg. small fractions or percentages).
   */
  function _multiplyDecimalRound(
    uint x,
    uint y,
    uint precisionUnit
  ) private pure returns (uint) {
    /* Divide by UNIT to remove the extra factor introduced by the product. */
    uint quotientTimesTen = (x * y) / (precisionUnit / 10);

    if (quotientTimesTen % 10 >= 5) {
      quotientTimesTen += 10;
    }

    return quotientTimesTen / 10;
  }

  /**
   * @return The result of safely multiplying x and y, interpreting the operands
   * as fixed-point decimals of a precise unit.
   *
   * @dev The operands should be in the precise unit factor which will be
   * divided out after the product of x and y is evaluated, so that product must be
   * less than 2**256.
   *
   * Unlike multiplyDecimal, this function rounds the result to the nearest increment.
   * Rounding is useful when you need to retain fidelity for small decimal numbers
   * (eg. small fractions or percentages).
   */
  function multiplyDecimalRoundPrecise(uint x, uint y) internal pure returns (uint) {
    return _multiplyDecimalRound(x, y, PRECISE_UNIT);
  }

  /**
   * @return The result of safely multiplying x and y, interpreting the operands
   * as fixed-point decimals of a standard unit.
   *
   * @dev The operands should be in the standard unit factor which will be
   * divided out after the product of x and y is evaluated, so that product must be
   * less than 2**256.
   *
   * Unlike multiplyDecimal, this function rounds the result to the nearest increment.
   * Rounding is useful when you need to retain fidelity for small decimal numbers
   * (eg. small fractions or percentages).
   */
  function multiplyDecimalRound(uint x, uint y) internal pure returns (uint) {
    return _multiplyDecimalRound(x, y, UNIT);
  }

  /**
   * @return The result of safely dividing x and y. The return value is a high
   * precision decimal.
   *
   * @dev y is divided after the product of x and the standard precision unit
   * is evaluated, so the product of x and UNIT must be less than 2**256. As
   * this is an integer division, the result is always rounded down.
   * This helps save on gas. Rounding is more expensive on gas.
   */
  function divideDecimal(uint x, uint y) internal pure returns (uint) {
    /* Reintroduce the UNIT factor that will be divided out by y. */
    return (x * UNIT) / y;
  }

  /**
   * @return The result of safely dividing x and y. The return value is as a rounded
   * decimal in the precision unit specified in the parameter.
   *
   * @dev y is divided after the product of x and the specified precision unit
   * is evaluated, so the product of x and the specified precision unit must
   * be less than 2**256. The result is rounded to the nearest increment.
   */
  function _divideDecimalRound(
    uint x,
    uint y,
    uint precisionUnit
  ) private pure returns (uint) {
    uint resultTimesTen = (x * (precisionUnit * 10)) / y;

    if (resultTimesTen % 10 >= 5) {
      resultTimesTen += 10;
    }

    return resultTimesTen / 10;
  }

  /**
   * @return The result of safely dividing x and y. The return value is as a rounded
   * standard precision decimal.
   *
   * @dev y is divided after the product of x and the standard precision unit
   * is evaluated, so the product of x and the standard precision unit must
   * be less than 2**256. The result is rounded to the nearest increment.
   */
  function divideDecimalRound(uint x, uint y) internal pure returns (uint) {
    return _divideDecimalRound(x, y, UNIT);
  }

  /**
   * @return The result of safely dividing x and y. The return value is as a rounded
   * high precision decimal.
   *
   * @dev y is divided after the product of x and the high precision unit
   * is evaluated, so the product of x and the high precision unit must
   * be less than 2**256. The result is rounded to the nearest increment.
   */
  function divideDecimalRoundPrecise(uint x, uint y) internal pure returns (uint) {
    return _divideDecimalRound(x, y, PRECISE_UNIT);
  }

  /**
   * @dev Convert a standard decimal representation to a high precision one.
   */
  function decimalToPreciseDecimal(uint i) internal pure returns (uint) {
    return i * UNIT_TO_HIGH_PRECISION_CONVERSION_FACTOR;
  }

  /**
   * @dev Convert a high precision decimal to a standard decimal representation.
   */
  function preciseDecimalToDecimal(uint i) internal pure returns (uint) {
    uint quotientTimesTen = i / (UNIT_TO_HIGH_PRECISION_CONVERSION_FACTOR / 10);

    if (quotientTimesTen % 10 >= 5) {
      quotientTimesTen += 10;
    }

    return quotientTimesTen / 10;
  }
}

File 3 of 10 : ERC20.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (token/ERC20/ERC20.sol)

pragma solidity ^0.8.0;

import "./IERC20.sol";
import "./extensions/IERC20Metadata.sol";
import "../../utils/Context.sol";

/**
 * @dev Implementation of the {IERC20} interface.
 *
 * This implementation is agnostic to the way tokens are created. This means
 * that a supply mechanism has to be added in a derived contract using {_mint}.
 * For a generic mechanism see {ERC20PresetMinterPauser}.
 *
 * TIP: For a detailed writeup see our guide
 * https://forum.zeppelin.solutions/t/how-to-implement-erc20-supply-mechanisms/226[How
 * to implement supply mechanisms].
 *
 * We have followed general OpenZeppelin Contracts guidelines: functions revert
 * instead returning `false` on failure. This behavior is nonetheless
 * conventional and does not conflict with the expectations of ERC20
 * applications.
 *
 * Additionally, an {Approval} event is emitted on calls to {transferFrom}.
 * This allows applications to reconstruct the allowance for all accounts just
 * by listening to said events. Other implementations of the EIP may not emit
 * these events, as it isn't required by the specification.
 *
 * Finally, the non-standard {decreaseAllowance} and {increaseAllowance}
 * functions have been added to mitigate the well-known issues around setting
 * allowances. See {IERC20-approve}.
 */
contract ERC20 is Context, IERC20, IERC20Metadata {
    mapping(address => uint256) private _balances;

    mapping(address => mapping(address => uint256)) private _allowances;

    uint256 private _totalSupply;

    string private _name;
    string private _symbol;

    /**
     * @dev Sets the values for {name} and {symbol}.
     *
     * The default value of {decimals} is 18. To select a different value for
     * {decimals} you should overload it.
     *
     * All two of these values are immutable: they can only be set once during
     * construction.
     */
    constructor(string memory name_, string memory symbol_) {
        _name = name_;
        _symbol = symbol_;
    }

    /**
     * @dev Returns the name of the token.
     */
    function name() public view virtual override returns (string memory) {
        return _name;
    }

    /**
     * @dev Returns the symbol of the token, usually a shorter version of the
     * name.
     */
    function symbol() public view virtual override returns (string memory) {
        return _symbol;
    }

    /**
     * @dev Returns the number of decimals used to get its user representation.
     * For example, if `decimals` equals `2`, a balance of `505` tokens should
     * be displayed to a user as `5.05` (`505 / 10 ** 2`).
     *
     * Tokens usually opt for a value of 18, imitating the relationship between
     * Ether and Wei. This is the value {ERC20} uses, unless this function is
     * overridden;
     *
     * NOTE: This information is only used for _display_ purposes: it in
     * no way affects any of the arithmetic of the contract, including
     * {IERC20-balanceOf} and {IERC20-transfer}.
     */
    function decimals() public view virtual override returns (uint8) {
        return 18;
    }

    /**
     * @dev See {IERC20-totalSupply}.
     */
    function totalSupply() public view virtual override returns (uint256) {
        return _totalSupply;
    }

    /**
     * @dev See {IERC20-balanceOf}.
     */
    function balanceOf(address account) public view virtual override returns (uint256) {
        return _balances[account];
    }

    /**
     * @dev See {IERC20-transfer}.
     *
     * Requirements:
     *
     * - `recipient` cannot be the zero address.
     * - the caller must have a balance of at least `amount`.
     */
    function transfer(address recipient, uint256 amount) public virtual override returns (bool) {
        _transfer(_msgSender(), recipient, amount);
        return true;
    }

    /**
     * @dev See {IERC20-allowance}.
     */
    function allowance(address owner, address spender) public view virtual override returns (uint256) {
        return _allowances[owner][spender];
    }

    /**
     * @dev See {IERC20-approve}.
     *
     * Requirements:
     *
     * - `spender` cannot be the zero address.
     */
    function approve(address spender, uint256 amount) public virtual override returns (bool) {
        _approve(_msgSender(), spender, amount);
        return true;
    }

    /**
     * @dev See {IERC20-transferFrom}.
     *
     * Emits an {Approval} event indicating the updated allowance. This is not
     * required by the EIP. See the note at the beginning of {ERC20}.
     *
     * Requirements:
     *
     * - `sender` and `recipient` cannot be the zero address.
     * - `sender` must have a balance of at least `amount`.
     * - the caller must have allowance for ``sender``'s tokens of at least
     * `amount`.
     */
    function transferFrom(
        address sender,
        address recipient,
        uint256 amount
    ) public virtual override returns (bool) {
        _transfer(sender, recipient, amount);

        uint256 currentAllowance = _allowances[sender][_msgSender()];
        require(currentAllowance >= amount, "ERC20: transfer amount exceeds allowance");
        unchecked {
            _approve(sender, _msgSender(), currentAllowance - amount);
        }

        return true;
    }

    /**
     * @dev Atomically increases the allowance granted to `spender` by the caller.
     *
     * This is an alternative to {approve} that can be used as a mitigation for
     * problems described in {IERC20-approve}.
     *
     * Emits an {Approval} event indicating the updated allowance.
     *
     * Requirements:
     *
     * - `spender` cannot be the zero address.
     */
    function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) {
        _approve(_msgSender(), spender, _allowances[_msgSender()][spender] + addedValue);
        return true;
    }

    /**
     * @dev Atomically decreases the allowance granted to `spender` by the caller.
     *
     * This is an alternative to {approve} that can be used as a mitigation for
     * problems described in {IERC20-approve}.
     *
     * Emits an {Approval} event indicating the updated allowance.
     *
     * Requirements:
     *
     * - `spender` cannot be the zero address.
     * - `spender` must have allowance for the caller of at least
     * `subtractedValue`.
     */
    function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) {
        uint256 currentAllowance = _allowances[_msgSender()][spender];
        require(currentAllowance >= subtractedValue, "ERC20: decreased allowance below zero");
        unchecked {
            _approve(_msgSender(), spender, currentAllowance - subtractedValue);
        }

        return true;
    }

    /**
     * @dev Moves `amount` of tokens from `sender` to `recipient`.
     *
     * This internal function is equivalent to {transfer}, and can be used to
     * e.g. implement automatic token fees, slashing mechanisms, etc.
     *
     * Emits a {Transfer} event.
     *
     * Requirements:
     *
     * - `sender` cannot be the zero address.
     * - `recipient` cannot be the zero address.
     * - `sender` must have a balance of at least `amount`.
     */
    function _transfer(
        address sender,
        address recipient,
        uint256 amount
    ) internal virtual {
        require(sender != address(0), "ERC20: transfer from the zero address");
        require(recipient != address(0), "ERC20: transfer to the zero address");

        _beforeTokenTransfer(sender, recipient, amount);

        uint256 senderBalance = _balances[sender];
        require(senderBalance >= amount, "ERC20: transfer amount exceeds balance");
        unchecked {
            _balances[sender] = senderBalance - amount;
        }
        _balances[recipient] += amount;

        emit Transfer(sender, recipient, amount);

        _afterTokenTransfer(sender, recipient, amount);
    }

    /** @dev Creates `amount` tokens and assigns them to `account`, increasing
     * the total supply.
     *
     * Emits a {Transfer} event with `from` set to the zero address.
     *
     * Requirements:
     *
     * - `account` cannot be the zero address.
     */
    function _mint(address account, uint256 amount) internal virtual {
        require(account != address(0), "ERC20: mint to the zero address");

        _beforeTokenTransfer(address(0), account, amount);

        _totalSupply += amount;
        _balances[account] += amount;
        emit Transfer(address(0), account, amount);

        _afterTokenTransfer(address(0), account, amount);
    }

    /**
     * @dev Destroys `amount` tokens from `account`, reducing the
     * total supply.
     *
     * Emits a {Transfer} event with `to` set to the zero address.
     *
     * Requirements:
     *
     * - `account` cannot be the zero address.
     * - `account` must have at least `amount` tokens.
     */
    function _burn(address account, uint256 amount) internal virtual {
        require(account != address(0), "ERC20: burn from the zero address");

        _beforeTokenTransfer(account, address(0), amount);

        uint256 accountBalance = _balances[account];
        require(accountBalance >= amount, "ERC20: burn amount exceeds balance");
        unchecked {
            _balances[account] = accountBalance - amount;
        }
        _totalSupply -= amount;

        emit Transfer(account, address(0), amount);

        _afterTokenTransfer(account, address(0), amount);
    }

    /**
     * @dev Sets `amount` as the allowance of `spender` over the `owner` s tokens.
     *
     * This internal function is equivalent to `approve`, and can be used to
     * e.g. set automatic allowances for certain subsystems, etc.
     *
     * Emits an {Approval} event.
     *
     * Requirements:
     *
     * - `owner` cannot be the zero address.
     * - `spender` cannot be the zero address.
     */
    function _approve(
        address owner,
        address spender,
        uint256 amount
    ) internal virtual {
        require(owner != address(0), "ERC20: approve from the zero address");
        require(spender != address(0), "ERC20: approve to the zero address");

        _allowances[owner][spender] = amount;
        emit Approval(owner, spender, amount);
    }

    /**
     * @dev Hook that is called before any transfer of tokens. This includes
     * minting and burning.
     *
     * Calling conditions:
     *
     * - when `from` and `to` are both non-zero, `amount` of ``from``'s tokens
     * will be transferred to `to`.
     * - when `from` is zero, `amount` tokens will be minted for `to`.
     * - when `to` is zero, `amount` of ``from``'s tokens will be burned.
     * - `from` and `to` are never both zero.
     *
     * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].
     */
    function _beforeTokenTransfer(
        address from,
        address to,
        uint256 amount
    ) internal virtual {}

    /**
     * @dev Hook that is called after any transfer of tokens. This includes
     * minting and burning.
     *
     * Calling conditions:
     *
     * - when `from` and `to` are both non-zero, `amount` of ``from``'s tokens
     * has been transferred to `to`.
     * - when `from` is zero, `amount` tokens have been minted for `to`.
     * - when `to` is zero, `amount` of ``from``'s tokens have been burned.
     * - `from` and `to` are never both zero.
     *
     * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].
     */
    function _afterTokenTransfer(
        address from,
        address to,
        uint256 amount
    ) internal virtual {}
}

File 4 of 10 : Owned.sol
//SPDX-License-Identifier: MIT
//
//Copyright (c) 2019 Synthetix
//
//Permission is hereby granted, free of charge, to any person obtaining a copy
//of this software and associated documentation files (the "Software"), to deal
//in the Software without restriction, including without limitation the rights
//to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
//copies of the Software, and to permit persons to whom the Software is
//furnished to do so, subject to the following conditions:
//
//The above copyright notice and this permission notice shall be included in all
//copies or substantial portions of the Software.
//
//THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
//IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
//FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
//AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
//LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
//OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
//SOFTWARE.

pragma solidity ^0.8.9;

import "./AbstractOwned.sol";

/**
 * @title Owned
 * @author Synthetix
 * @dev Slightly modified Synthetix owned contract, so that first owner is msg.sender
 * @dev https://docs.synthetix.io/contracts/source/contracts/owned
 */
contract Owned is AbstractOwned {
  constructor() {
    owner = msg.sender;
    emit OwnerChanged(address(0), msg.sender);
  }
}

File 5 of 10 : SimpleInitializeable.sol
// SPDX-License-Identifier: ISC
pragma solidity 0.8.9;

/**
 * @title SimpleInitializeable
 * @author Lyra
 * @dev Contract to enable a function to be marked as the initializer
 */
abstract contract SimpleInitializeable {
  bool internal initialized = false;

  modifier initializer() {
    if (initialized) {
      revert AlreadyInitialised(address(this));
    }
    initialized = true;
    _;
  }

  ////////////
  // Errors //
  ////////////
  error AlreadyInitialised(address thrower);
}

File 6 of 10 : ILiquidityTracker.sol
//SPDX-License-Identifier: ISC
pragma solidity ^0.8.9;

// https://docs.synthetix.io/contracts/source/interfaces/iaddressresolver
interface ILiquidityTracker {
  function addTokens(address trader, uint amount) external;

  function removeTokens(address trader, uint amount) external;
}

File 7 of 10 : IERC20.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (token/ERC20/IERC20.sol)

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);
}

File 8 of 10 : IERC20Metadata.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (token/ERC20/extensions/IERC20Metadata.sol)

pragma solidity ^0.8.0;

import "../IERC20.sol";

/**
 * @dev Interface for the optional metadata functions from the ERC20 standard.
 *
 * _Available since v4.1._
 */
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);
}

File 9 of 10 : Context.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/Context.sol)

pragma solidity ^0.8.0;

/**
 * @dev Provides information about the current execution context, including the
 * sender of the transaction and its data. While these are generally available
 * via msg.sender and msg.data, they should not be accessed in such a direct
 * manner, since when dealing with meta-transactions the account sending and
 * paying for execution may not be the actual sender (as far as an application
 * is concerned).
 *
 * This contract is only required for intermediate, library-like contracts.
 */
abstract contract Context {
    function _msgSender() internal view virtual returns (address) {
        return msg.sender;
    }

    function _msgData() internal view virtual returns (bytes calldata) {
        return msg.data;
    }
}

File 10 of 10 : AbstractOwned.sol
//SPDX-License-Identifier: MIT
//
//Copyright (c) 2019 Synthetix
//
//Permission is hereby granted, free of charge, to any person obtaining a copy
//of this software and associated documentation files (the "Software"), to deal
//in the Software without restriction, including without limitation the rights
//to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
//copies of the Software, and to permit persons to whom the Software is
//furnished to do so, subject to the following conditions:
//
//The above copyright notice and this permission notice shall be included in all
//copies or substantial portions of the Software.
//
//THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
//IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
//FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
//AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
//LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
//OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
//SOFTWARE.

pragma solidity ^0.8.9;

/**
 * @title Owned
 * @author Synthetix
 * @dev Synthetix owned contract without constructor and custom errors
 * @dev https://docs.synthetix.io/contracts/source/contracts/owned
 */
abstract contract AbstractOwned {
  address public owner;
  address public nominatedOwner;

  function nominateNewOwner(address _owner) external onlyOwner {
    nominatedOwner = _owner;
    emit OwnerNominated(_owner);
  }

  function acceptOwnership() external {
    if (msg.sender != nominatedOwner) {
      revert OnlyNominatedOwner(address(this), msg.sender, nominatedOwner);
    }
    emit OwnerChanged(owner, nominatedOwner);
    owner = nominatedOwner;
    nominatedOwner = address(0);
  }

  modifier onlyOwner() {
    _onlyOwner();
    _;
  }

  function _onlyOwner() private view {
    if (msg.sender != owner) {
      revert OnlyOwner(address(this), msg.sender, owner);
    }
  }

  event OwnerNominated(address newOwner);
  event OwnerChanged(address oldOwner, address newOwner);

  ////////////
  // Errors //
  ////////////
  error OnlyOwner(address thrower, address caller, address owner);
  error OnlyNominatedOwner(address thrower, address caller, address nominatedOwner);
}

Settings
{
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "optimizer": {
    "enabled": true,
    "runs": 10000
  },
  "libraries": {}
}

Contract Security Audit

Contract ABI

[{"inputs":[{"internalType":"string","name":"name_","type":"string"},{"internalType":"string","name":"symbol_","type":"string"}],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[{"internalType":"address","name":"thrower","type":"address"}],"name":"AlreadyInitialised","type":"error"},{"inputs":[{"internalType":"address","name":"thrower","type":"address"},{"internalType":"address","name":"caller","type":"address"},{"internalType":"address","name":"liquidityPool","type":"address"}],"name":"OnlyLiquidityPool","type":"error"},{"inputs":[{"internalType":"address","name":"thrower","type":"address"},{"internalType":"address","name":"caller","type":"address"},{"internalType":"address","name":"nominatedOwner","type":"address"}],"name":"OnlyNominatedOwner","type":"error"},{"inputs":[{"internalType":"address","name":"thrower","type":"address"},{"internalType":"address","name":"caller","type":"address"},{"internalType":"address","name":"owner","type":"address"}],"name":"OnlyOwner","type":"error"},{"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":false,"internalType":"contract ILiquidityTracker","name":"liquidityTracker","type":"address"}],"name":"LiquidityTrackerSet","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"oldOwner","type":"address"},{"indexed":false,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnerChanged","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnerNominated","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"},{"inputs":[],"name":"acceptOwnership","outputs":[],"stateMutability":"nonpayable","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":"amount","type":"uint256"}],"name":"approve","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","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"},{"internalType":"uint256","name":"tokenAmount","type":"uint256"}],"name":"burn","outputs":[],"stateMutability":"nonpayable","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":"subtractedValue","type":"uint256"}],"name":"decreaseAllowance","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"addedValue","type":"uint256"}],"name":"increaseAllowance","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_liquidityPool","type":"address"}],"name":"init","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"liquidityPool","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"liquidityTracker","outputs":[{"internalType":"contract ILiquidityTracker","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"account","type":"address"},{"internalType":"uint256","name":"tokenAmount","type":"uint256"}],"name":"mint","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_owner","type":"address"}],"name":"nominateNewOwner","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"nominatedOwner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"contract ILiquidityTracker","name":"_liquidityTracker","type":"address"}],"name":"setLiquidityTracker","outputs":[],"stateMutability":"nonpayable","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":"recipient","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"transfer","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"sender","type":"address"},{"internalType":"address","name":"recipient","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"transferFrom","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"}]

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Deployed Bytecode

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