Contract

Contract Source Code (Solidity)

IDE

• Blockscan IDE
• 🤖 Code ReaderBeta
• Remix IDE

Outline

• library SafeMath
•    - function tryAdd(uint256 a, uint256 b)
•    - function trySub(uint256 a, uint256 b)
•    - function tryMul(uint256 a, uint256 b)
•    - function tryDiv(uint256 a, uint256 b)
•    - function tryMod(uint256 a, uint256 b)
•    - function add(uint256 a, uint256 b)
•    - function sub(uint256 a, uint256 b)
•    - function mul(uint256 a, uint256 b)
•    - function div(uint256 a, uint256 b)
•    - function mod(uint256 a, uint256 b)
•    - function sub(uint256 a, uint256 b, st ...
•    - function div(uint256 a, uint256 b, st ...
•    - function mod(uint256 a, uint256 b, st ...
• interface IERC20
•    - function totalSupply()
•    - function balanceOf(address account)
•    - function transfer(address recipient, ...
•    - function allowance(address owner, add ...
•    - function approve(address spender, uin ...
•    - function transferFrom(address sender, ...
• library Address
•    - function isContract(address account)
•    - function sendValue(address payable re ...
•    - function functionCall(address target, ...
•    - function functionCall(address target, ...
•    - function functionCallWithValue(addres ...
•    - function functionCallWithValue(addres ...
•    - function functionStaticCall(address t ...
•    - function functionStaticCall(address t ...
•    - function functionDelegateCall(address ...
•    - function functionDelegateCall(address ...
•    - function _verifyCallResult(bool succe ...
• library SafeERC20
•    - function safeTransfer(IERC20 token, a ...
•    - function safeTransferFrom(IERC20 toke ...
•    - function safeApprove(IERC20 token, ad ...
•    - function safeIncreaseAllowance(IERC20 ...
•    - function safeDecreaseAllowance(IERC20 ...
•    - function _callOptionalReturn(IERC20 t ...
•  contract ConverterVersion
• interface IOwned
•    - function owner()
•    - function transferOwnership(address _n ...
•    - function acceptOwnership()
• interface IConverterAnchor is IOwned
• interface IConverter is IOwned
•    - function converterType()
•    - function anchor()
•    - function isActive()
•    - function targetAmountAndFee(
•    - function convert(
•    - function conversionFee()
•    - function maxConversionFee()
•    - function reserveBalance(IERC20 _reser ...
•    - function transferAnchorOwnership(addr ...
•    - function acceptAnchorOwnership()
•    - function setConversionFee(uint32 _con ...
•    - function addReserve(IERC20 _token, ui ...
•    - function transferReservesOnUpgrade(ad ...
•    - function onUpgradeComplete()
•    - function token()
•    - function transferTokenOwnership(addre ...
•    - function acceptTokenOwnership()
•    - function connectors(IERC20 _address)
•    - function getConnectorBalance(IERC20 _ ...
•    - function connectorTokens(uint256 _ind ...
•    - function connectorTokenCount()
• interface IConverterUpgrader
•    - function upgrade(bytes32 _version)
•    - function upgrade(uint16 _version)
• interface ITokenHolder is IOwned
•    - function withdrawTokens(
•    - function withdrawTokensMultiple(
• interface INetworkSettings
•    - function networkFeeParams()
•    - function networkFeeWallet()
•    - function networkFee()
• interface IDSToken is IConverterAncho ...
•    - function issue(address _to, uint256 _ ...
•    - function destroy(address _from, uint2 ...
• library MathEx
•    - function floorSqrt(uint256 _num)
•    - function ceilSqrt(uint256 _num)
•    - function poweredRatio(
•    - function reducedRatio(
•    - function normalizedRatio(
•    - function accurateRatio(
•    - function roundDiv(uint256 _n, uint256 ...
•    - function geometricMean(uint256[] memo ...
•    - function decimalLength(uint256 _x)
•    - function roundDivUnsafe(uint256 _n, u ...
•    - function max(uint256 _val1, uint256 _ ...
•  contract Owned is IOwned
•    - function _ownerOnly()
•    - function transferOwnership(address _n ...
•    - function acceptOwnership()
•  contract Utils
•    - function _greaterThanZero(uint256 _va ...
•    - function _validAddress(address _addre ...
•    - function _validPortion(uint32 _portio ...
•    - function _validExternalAddress(addres ...
•    - function _validFee(uint32 fee)
• interface IContractRegistry
•    - function addressOf(bytes32 _contractN ...
•  contract ContractRegistryClient is ...
•    - function _only(bytes32 _contractName)
•    - function updateRegistry()
•    - function restoreRegistry()
•    - function restrictRegistryUpdate(bool ...
•    - function addressOf(bytes32 _contractN ...
•  contract ReentrancyGuard
•    - function _protected()
•  contract Time
•    - function time()
•  contract StandardPoolConverter is ... *
•    - function _active()
•    - function _inactive()
•    - function _validReserve(IERC20 _addres ...
•    - function _validConversionFee(uint32 _ ...
•    - function _validReserveWeight(uint32 _ ...
•    - function converterType()
•    - function isV28OrHigher()
•    - function isActive()
•    - function transferAnchorOwnership(addr ...
•    - function acceptAnchorOwnership()
•    - function setConversionFee(uint32 _con ...
•    - function transferReservesOnUpgrade(ad ...
•    - function upgrade()
•    - function onUpgradeComplete()
•    - function reserveTokenCount()
•    - function reserveTokens()
•    - function addReserve(IERC20 _token, ui ...
•    - function reserveWeight(IERC20 _reserv ...
•    - function reserveBalance(IERC20 _reser ...
•    - function reserveBalances()
•    - function syncReserveBalances()
•    - function processNetworkFees()
•    - function processNetworkFees(uint256 _ ...
•    - function baseReserveBalances(IERC20[] ...
•    - function convert(
•    - function calculateFee(uint256 _target ...
•    - function calculateFeeInv(uint256 _tar ...
•    - function reserveBalance(uint256 _rese ...
•    - function reserveBalances(uint256 _sou ...
•    - function setReserveBalance(uint256 _r ...
•    - function setReserveBalances(
•    - function syncReserveBalance(IERC20 _r ...
•    - function syncReserveBalances(uint256 ...
•    - function dispatchConversionEvent(
•    - function targetAmountAndFee(
•    - function targetAmountAndFee(
•    - function sourceAmountAndFee(
•    - function doConvert(
•    - function recentAverageRate(IERC20 _to ...
•    - function updateRecentAverageRate()
•    - function calcRecentAverageRate(uint25 ...
•    - function addLiquidity(
•    - function addLiquidityAmounts(
•    - function removeLiquidity(
•    - function addLiquidityCost(
•    - function addLiquidityReturn(IERC20[] ...
•    - function removeLiquidityReturn(uint25 ...
•    - function verifyLiquidityInput(
•    - function validReserveAmounts(uint256[ ...
•    - function removeLiquidityReserveAmount ...
•    - function dispatchTokenRateUpdateEvent ...
•    - function encodeReserveBalance(uint256 ...
•    - function decodeReserveBalance(uint256 ...
•    - function encodeReserveBalances(
•    - function decodeReserveBalances(
•    - function encodeAverageRateInfo(
•    - function decodeAverageRateT(uint256 _ ...
•    - function decodeAverageRateN(uint256 _ ...
•    - function decodeAverageRateD(uint256 _ ...
•    - function floorSqrt(uint256 x)
•    - function crossReserveTargetAmount(
•    - function crossReserveSourceAmount(
•    - function fundCost(
•    - function fundSupplyAmount(
•    - function liquidateReserveAmount(
•    - function networkWalletAndFees(uint256 ...
•    - function safeTransfer(
•    - function token()
•    - function transferTokenOwnership(addre ...
•    - function acceptTokenOwnership()
•    - function connectors(IERC20 _address)
•    - function connectorTokens(uint256 _ind ...
•    - function connectorTokenCount()
•    - function getConnectorBalance(IERC20 _ ...
•    - function getReturn(

More Options

• Similar
• Sol2Uml
• Submit Audit
• Compare

/**
 *Submitted for verification at Etherscan.io on 2021-04-04
*/

// File: @openzeppelin/contracts/math/SafeMath.sol

// 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;
    }
}

// File: @openzeppelin/contracts/token/ERC20/IERC20.sol



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);
}

// File: @openzeppelin/contracts/utils/Address.sol



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);
            }
        }
    }
}

// File: @openzeppelin/contracts/token/ERC20/SafeERC20.sol



pragma solidity >=0.6.0 <0.8.0;




/**
 * @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");
        }
    }
}

// File: solidity/contracts/converter/ConverterVersion.sol


pragma solidity 0.6.12;

contract ConverterVersion {
    uint16 public constant version = 46;
}

// File: solidity/contracts/utility/interfaces/IOwned.sol


pragma solidity 0.6.12;

/*
    Owned contract interface
*/
interface IOwned {
    // this function isn't since the compiler emits automatically generated getter functions as external
    function owner() external view returns (address);

    function transferOwnership(address _newOwner) external;

    function acceptOwnership() external;
}

// File: solidity/contracts/converter/interfaces/IConverterAnchor.sol


pragma solidity 0.6.12;


/*
    Converter Anchor interface
*/
interface IConverterAnchor is IOwned {

}

// File: solidity/contracts/converter/interfaces/IConverter.sol


pragma solidity 0.6.12;




/*
    Converter interface
*/
interface IConverter is IOwned {
    function converterType() external pure returns (uint16);

    function anchor() external view returns (IConverterAnchor);

    function isActive() external view returns (bool);

    function targetAmountAndFee(
        IERC20 _sourceToken,
        IERC20 _targetToken,
        uint256 _amount
    ) external view returns (uint256, uint256);

    function convert(
        IERC20 _sourceToken,
        IERC20 _targetToken,
        uint256 _amount,
        address _trader,
        address payable _beneficiary
    ) external payable returns (uint256);

    function conversionFee() external view returns (uint32);

    function maxConversionFee() external view returns (uint32);

    function reserveBalance(IERC20 _reserveToken) external view returns (uint256);

    receive() external payable;

    function transferAnchorOwnership(address _newOwner) external;

    function acceptAnchorOwnership() external;

    function setConversionFee(uint32 _conversionFee) external;

    function addReserve(IERC20 _token, uint32 _weight) external;

    function transferReservesOnUpgrade(address _newConverter) external;

    function onUpgradeComplete() external;

    // deprecated, backward compatibility
    function token() external view returns (IConverterAnchor);

    function transferTokenOwnership(address _newOwner) external;

    function acceptTokenOwnership() external;

    function connectors(IERC20 _address)
        external
        view
        returns (
            uint256,
            uint32,
            bool,
            bool,
            bool
        );

    function getConnectorBalance(IERC20 _connectorToken) external view returns (uint256);

    function connectorTokens(uint256 _index) external view returns (IERC20);

    function connectorTokenCount() external view returns (uint16);

    /**
     * @dev triggered when the converter is activated
     *
     * @param _type        converter type
     * @param _anchor      converter anchor
     * @param _activated   true if the converter was activated, false if it was deactivated
     */
    event Activation(uint16 indexed _type, IConverterAnchor indexed _anchor, bool indexed _activated);

    /**
     * @dev triggered when a conversion between two tokens occurs
     *
     * @param _fromToken       source ERC20 token
     * @param _toToken         target ERC20 token
     * @param _trader          wallet that initiated the trade
     * @param _amount          input amount in units of the source token
     * @param _return          output amount minus conversion fee in units of the target token
     * @param _conversionFee   conversion fee in units of the target token
     */
    event Conversion(
        IERC20 indexed _fromToken,
        IERC20 indexed _toToken,
        address indexed _trader,
        uint256 _amount,
        uint256 _return,
        int256 _conversionFee
    );

    /**
     * @dev triggered when the rate between two tokens in the converter changes
     * note that the event might be dispatched for rate updates between any two tokens in the converter
     *
     * @param  _token1 address of the first token
     * @param  _token2 address of the second token
     * @param  _rateN  rate of 1 unit of `_token1` in `_token2` (numerator)
     * @param  _rateD  rate of 1 unit of `_token1` in `_token2` (denominator)
     */
    event TokenRateUpdate(IERC20 indexed _token1, IERC20 indexed _token2, uint256 _rateN, uint256 _rateD);

    /**
     * @dev triggered when the conversion fee is updated
     *
     * @param  _prevFee    previous fee percentage, represented in ppm
     * @param  _newFee     new fee percentage, represented in ppm
     */
    event ConversionFeeUpdate(uint32 _prevFee, uint32 _newFee);
}

// File: solidity/contracts/converter/interfaces/IConverterUpgrader.sol


pragma solidity 0.6.12;

/*
    Converter Upgrader interface
*/
interface IConverterUpgrader {
    function upgrade(bytes32 _version) external;

    function upgrade(uint16 _version) external;
}

// File: solidity/contracts/utility/interfaces/ITokenHolder.sol


pragma solidity 0.6.12;



/*
    Token Holder interface
*/
interface ITokenHolder is IOwned {
    receive() external payable;

    function withdrawTokens(
        IERC20 token,
        address payable to,
        uint256 amount
    ) external;

    function withdrawTokensMultiple(
        IERC20[] calldata tokens,
        address payable to,
        uint256[] calldata amounts
    ) external;
}

// File: solidity/contracts/INetworkSettings.sol


pragma solidity 0.6.12;


interface INetworkSettings {
    function networkFeeParams() external view returns (ITokenHolder, uint32);

    function networkFeeWallet() external view returns (ITokenHolder);

    function networkFee() external view returns (uint32);
}

// File: solidity/contracts/token/interfaces/IDSToken.sol


pragma solidity 0.6.12;




/*
    DSToken interface
*/
interface IDSToken is IConverterAnchor, IERC20 {
    function issue(address _to, uint256 _amount) external;

    function destroy(address _from, uint256 _amount) external;
}

// File: solidity/contracts/utility/MathEx.sol


pragma solidity 0.6.12;

/**
 * @dev This library provides a set of complex math operations.
 */
library MathEx {
    uint256 private constant MAX_EXP_BIT_LEN = 4;
    uint256 private constant MAX_EXP = 2**MAX_EXP_BIT_LEN - 1;
    uint256 private constant MAX_UINT128 = 2**128 - 1;

    /**
     * @dev returns the largest integer smaller than or equal to the square root of a positive integer
     *
     * @param _num a positive integer
     *
     * @return the largest integer smaller than or equal to the square root of the positive integer
     */
    function floorSqrt(uint256 _num) internal pure returns (uint256) {
        uint256 x = _num / 2 + 1;
        uint256 y = (x + _num / x) / 2;
        while (x > y) {
            x = y;
            y = (x + _num / x) / 2;
        }
        return x;
    }

    /**
     * @dev returns the smallest integer larger than or equal to the square root of a positive integer
     *
     * @param _num a positive integer
     *
     * @return the smallest integer larger than or equal to the square root of the positive integer
     */
    function ceilSqrt(uint256 _num) internal pure returns (uint256) {
        uint256 x = floorSqrt(_num);
        return x * x == _num ? x : x + 1;
    }

    /**
     * @dev computes a powered ratio
     *
     * @param _n   ratio numerator
     * @param _d   ratio denominator
     * @param _exp ratio exponent
     *
     * @return powered ratio's numerator and denominator
     */
    function poweredRatio(
        uint256 _n,
        uint256 _d,
        uint256 _exp
    ) internal pure returns (uint256, uint256) {
        require(_exp <= MAX_EXP, "ERR_EXP_TOO_LARGE");

        uint256[MAX_EXP_BIT_LEN] memory ns;
        uint256[MAX_EXP_BIT_LEN] memory ds;

        (ns[0], ds[0]) = reducedRatio(_n, _d, MAX_UINT128);
        for (uint256 i = 0; (_exp >> i) > 1; i++) {
            (ns[i + 1], ds[i + 1]) = reducedRatio(ns[i] ** 2, ds[i] ** 2, MAX_UINT128);
        }

        uint256 n = 1;
        uint256 d = 1;

        for (uint256 i = 0; (_exp >> i) > 0; i++) {
            if (((_exp >> i) & 1) > 0) {
                (n, d) = reducedRatio(n * ns[i], d * ds[i], MAX_UINT128);
            }
        }

        return (n, d);
    }

    /**
     * @dev computes a reduced-scalar ratio
     *
     * @param _n   ratio numerator
     * @param _d   ratio denominator
     * @param _max maximum desired scalar
     *
     * @return ratio's numerator and denominator
     */
    function reducedRatio(
        uint256 _n,
        uint256 _d,
        uint256 _max
    ) internal pure returns (uint256, uint256) {
        (uint256 n, uint256 d) = (_n, _d);
        if (n > _max || d > _max) {
            (n, d) = normalizedRatio(n, d, _max);
        }
        if (n != d) {
            return (n, d);
        }
        return (1, 1);
    }

    /**
     * @dev computes "scale * a / (a + b)" and "scale * b / (a + b)".
     */
    function normalizedRatio(
        uint256 _a,
        uint256 _b,
        uint256 _scale
    ) internal pure returns (uint256, uint256) {
        if (_a <= _b) {
            return accurateRatio(_a, _b, _scale);
        }
        (uint256 y, uint256 x) = accurateRatio(_b, _a, _scale);
        return (x, y);
    }

    /**
     * @dev computes "scale * a / (a + b)" and "scale * b / (a + b)", assuming that "a <= b".
     */
    function accurateRatio(
        uint256 _a,
        uint256 _b,
        uint256 _scale
    ) internal pure returns (uint256, uint256) {
        uint256 maxVal = uint256(-1) / _scale;
        if (_a > maxVal) {
            uint256 c = _a / (maxVal + 1) + 1;
            _a /= c; // we can now safely compute `_a * _scale`
            _b /= c;
        }
        if (_a != _b) {
            uint256 n = _a * _scale;
            uint256 d = _a + _b; // can overflow
            if (d >= _a) {
                // no overflow in `_a + _b`
                uint256 x = roundDiv(n, d); // we can now safely compute `_scale - x`
                uint256 y = _scale - x;
                return (x, y);
            }
            if (n < _b - (_b - _a) / 2) {
                return (0, _scale); // `_a * _scale < (_a + _b) / 2 < MAX_UINT256 < _a + _b`
            }
            return (1, _scale - 1); // `(_a + _b) / 2 < _a * _scale < MAX_UINT256 < _a + _b`
        }
        return (_scale / 2, _scale / 2); // allow reduction to `(1, 1)` in the calling function
    }

    /**
     * @dev computes the nearest integer to a given quotient without overflowing or underflowing.
     */
    function roundDiv(uint256 _n, uint256 _d) internal pure returns (uint256) {
        return _n / _d + (_n % _d) / (_d - _d / 2);
    }

    /**
     * @dev returns the average number of decimal digits in a given list of positive integers
     *
     * @param _values  list of positive integers
     *
     * @return the average number of decimal digits in the given list of positive integers
     */
    function geometricMean(uint256[] memory _values) internal pure returns (uint256) {
        uint256 numOfDigits = 0;
        uint256 length = _values.length;
        for (uint256 i = 0; i < length; i++) {
            numOfDigits += decimalLength(_values[i]);
        }
        return uint256(10)**(roundDivUnsafe(numOfDigits, length) - 1);
    }

    /**
     * @dev returns the number of decimal digits in a given positive integer
     *
     * @param _x   positive integer
     *
     * @return the number of decimal digits in the given positive integer
     */
    function decimalLength(uint256 _x) internal pure returns (uint256) {
        uint256 y = 0;
        for (uint256 x = _x; x > 0; x /= 10) {
            y++;
        }
        return y;
    }

    /**
     * @dev returns the nearest integer to a given quotient
     * the computation is overflow-safe assuming that the input is sufficiently small
     *
     * @param _n   quotient numerator
     * @param _d   quotient denominator
     *
     * @return the nearest integer to the given quotient
     */
    function roundDivUnsafe(uint256 _n, uint256 _d) internal pure returns (uint256) {
        return (_n + _d / 2) / _d;
    }

    /**
     * @dev returns the larger of two values
     *
     * @param _val1 the first value
     * @param _val2 the second value
     */
    function max(uint256 _val1, uint256 _val2) internal pure returns (uint256) {
        return _val1 > _val2 ? _val1 : _val2;
    }
}

// File: solidity/contracts/utility/Owned.sol


pragma solidity 0.6.12;


/**
 * @dev This contract provides support and utilities for contract ownership.
 */
contract Owned is IOwned {
    address public override owner;
    address public newOwner;

    /**
     * @dev triggered when the owner is updated
     *
     * @param _prevOwner previous owner
     * @param _newOwner  new owner
     */
    event OwnerUpdate(address indexed _prevOwner, address indexed _newOwner);

    /**
     * @dev initializes a new Owned instance
     */
    constructor() public {
        owner = msg.sender;
    }

    // allows execution by the owner only
    modifier ownerOnly {
        _ownerOnly();
        _;
    }

    // error message binary size optimization
    function _ownerOnly() internal view {
        require(msg.sender == owner, "ERR_ACCESS_DENIED");
    }

    /**
     * @dev allows transferring the contract ownership
     * the new owner still needs to accept the transfer
     * can only be called by the contract owner
     *
     * @param _newOwner    new contract owner
     */
    function transferOwnership(address _newOwner) public override ownerOnly {
        require(_newOwner != owner, "ERR_SAME_OWNER");
        newOwner = _newOwner;
    }

    /**
     * @dev used by a new owner to accept an ownership transfer
     */
    function acceptOwnership() public override {
        require(msg.sender == newOwner, "ERR_ACCESS_DENIED");
        emit OwnerUpdate(owner, newOwner);
        owner = newOwner;
        newOwner = address(0);
    }
}

// File: solidity/contracts/utility/Utils.sol


pragma solidity 0.6.12;


/**
 * @dev Utilities & Common Modifiers
 */
contract Utils {
    uint32 internal constant PPM_RESOLUTION = 1000000;
    IERC20 internal constant NATIVE_TOKEN_ADDRESS = IERC20(0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE);

    // verifies that a value is greater than zero
    modifier greaterThanZero(uint256 _value) {
        _greaterThanZero(_value);
        _;
    }

    // error message binary size optimization
    function _greaterThanZero(uint256 _value) internal pure {
        require(_value > 0, "ERR_ZERO_VALUE");
    }

    // validates an address - currently only checks that it isn't null
    modifier validAddress(address _address) {
        _validAddress(_address);
        _;
    }

    // error message binary size optimization
    function _validAddress(address _address) internal pure {
        require(_address != address(0), "ERR_INVALID_ADDRESS");
    }

    // ensures that the portion is valid
    modifier validPortion(uint32 _portion) {
        _validPortion(_portion);
        _;
    }

    // error message binary size optimization
    function _validPortion(uint32 _portion) internal pure {
        require(_portion > 0 && _portion <= PPM_RESOLUTION, "ERR_INVALID_PORTION");
    }

    // validates an external address - currently only checks that it isn't null or this
    modifier validExternalAddress(address _address) {
        _validExternalAddress(_address);
        _;
    }

    // error message binary size optimization
    function _validExternalAddress(address _address) internal view {
        require(_address != address(0) && _address != address(this), "ERR_INVALID_EXTERNAL_ADDRESS");
    }

    // ensures that the fee is valid
    modifier validFee(uint32 fee) {
        _validFee(fee);
        _;
    }

    // error message binary size optimization
    function _validFee(uint32 fee) internal pure {
        require(fee <= PPM_RESOLUTION, "ERR_INVALID_FEE");
    }
}

// File: solidity/contracts/utility/interfaces/IContractRegistry.sol


pragma solidity 0.6.12;

/*
    Contract Registry interface
*/
interface IContractRegistry {
    function addressOf(bytes32 _contractName) external view returns (address);
}

// File: solidity/contracts/utility/ContractRegistryClient.sol


pragma solidity 0.6.12;




/**
 * @dev This is the base contract for ContractRegistry clients.
 */
contract ContractRegistryClient is Owned, Utils {
    bytes32 internal constant CONTRACT_REGISTRY = "ContractRegistry";
    bytes32 internal constant BANCOR_NETWORK = "BancorNetwork";
    bytes32 internal constant BANCOR_FORMULA = "BancorFormula";
    bytes32 internal constant CONVERTER_FACTORY = "ConverterFactory";
    bytes32 internal constant CONVERSION_PATH_FINDER = "ConversionPathFinder";
    bytes32 internal constant CONVERTER_UPGRADER = "BancorConverterUpgrader";
    bytes32 internal constant CONVERTER_REGISTRY = "BancorConverterRegistry";
    bytes32 internal constant CONVERTER_REGISTRY_DATA = "BancorConverterRegistryData";
    bytes32 internal constant BNT_TOKEN = "BNTToken";
    bytes32 internal constant BANCOR_X = "BancorX";
    bytes32 internal constant BANCOR_X_UPGRADER = "BancorXUpgrader";
    bytes32 internal constant LIQUIDITY_PROTECTION = "LiquidityProtection";
    bytes32 internal constant NETWORK_SETTINGS = "NetworkSettings";

    IContractRegistry public registry; // address of the current contract-registry
    IContractRegistry public prevRegistry; // address of the previous contract-registry
    bool public onlyOwnerCanUpdateRegistry; // only an owner can update the contract-registry

    /**
     * @dev verifies that the caller is mapped to the given contract name
     *
     * @param _contractName    contract name
     */
    modifier only(bytes32 _contractName) {
        _only(_contractName);
        _;
    }

    // error message binary size optimization
    function _only(bytes32 _contractName) internal view {
        require(msg.sender == addressOf(_contractName), "ERR_ACCESS_DENIED");
    }

    /**
     * @dev initializes a new ContractRegistryClient instance
     *
     * @param  _registry   address of a contract-registry contract
     */
    constructor(IContractRegistry _registry) internal validAddress(address(_registry)) {
        registry = IContractRegistry(_registry);
        prevRegistry = IContractRegistry(_registry);
    }

    /**
     * @dev updates to the new contract-registry
     */
    function updateRegistry() public {
        // verify that this function is permitted
        require(msg.sender == owner || !onlyOwnerCanUpdateRegistry, "ERR_ACCESS_DENIED");

        // get the new contract-registry
        IContractRegistry newRegistry = IContractRegistry(addressOf(CONTRACT_REGISTRY));

        // verify that the new contract-registry is different and not zero
        require(newRegistry != registry && address(newRegistry) != address(0), "ERR_INVALID_REGISTRY");

        // verify that the new contract-registry is pointing to a non-zero contract-registry
        require(newRegistry.addressOf(CONTRACT_REGISTRY) != address(0), "ERR_INVALID_REGISTRY");

        // save a backup of the current contract-registry before replacing it
        prevRegistry = registry;

        // replace the current contract-registry with the new contract-registry
        registry = newRegistry;
    }

    /**
     * @dev restores the previous contract-registry
     */
    function restoreRegistry() public ownerOnly {
        // restore the previous contract-registry
        registry = prevRegistry;
    }

    /**
     * @dev restricts the permission to update the contract-registry
     *
     * @param _onlyOwnerCanUpdateRegistry  indicates whether or not permission is restricted to owner only
     */
    function restrictRegistryUpdate(bool _onlyOwnerCanUpdateRegistry) public ownerOnly {
        // change the permission to update the contract-registry
        onlyOwnerCanUpdateRegistry = _onlyOwnerCanUpdateRegistry;
    }

    /**
     * @dev returns the address associated with the given contract name
     *
     * @param _contractName    contract name
     *
     * @return contract address
     */
    function addressOf(bytes32 _contractName) internal view returns (address) {
        return registry.addressOf(_contractName);
    }
}

// File: solidity/contracts/utility/ReentrancyGuard.sol


pragma solidity 0.6.12;

/**
 * @dev This contract provides protection against calling a function
 * (directly or indirectly) from within itself.
 */
contract ReentrancyGuard {
    uint256 private constant UNLOCKED = 1;
    uint256 private constant LOCKED = 2;

    // LOCKED while protected code is being executed, UNLOCKED otherwise
    uint256 private state = UNLOCKED;

    /**
     * @dev ensures instantiation only by sub-contracts
     */
    constructor() internal {}

    // protects a function against reentrancy attacks
    modifier protected() {
        _protected();
        state = LOCKED;
        _;
        state = UNLOCKED;
    }

    // error message binary size optimization
    function _protected() internal view {
        require(state == UNLOCKED, "ERR_REENTRANCY");
    }
}

// File: solidity/contracts/utility/Time.sol


pragma solidity 0.6.12;

/*
    Time implementing contract
*/
contract Time {
    /**
     * @dev returns the current time
     */
    function time() internal view virtual returns (uint256) {
        return block.timestamp;
    }
}

// File: solidity/contracts/converter/types/standard-pool/StandardPoolConverter.sol


pragma solidity 0.6.12;













/**
 * @dev This contract is a specialized version of the converter, which is
 * optimized for a liquidity pool that has 2 reserves with 50%/50% weights.
 */
contract StandardPoolConverter is ConverterVersion, IConverter, ContractRegistryClient, ReentrancyGuard, Time {
    using SafeMath for uint256;
    using SafeERC20 for IERC20;
    using MathEx for *;

    uint256 private constant MAX_UINT128 = 2**128 - 1;
    uint256 private constant MAX_UINT112 = 2**112 - 1;
    uint256 private constant MAX_UINT32 = 2**32 - 1;
    uint256 private constant AVERAGE_RATE_PERIOD = 10 minutes;

    uint256 private __reserveBalances;
    uint256 private _reserveBalancesProduct;
    IERC20[] private __reserveTokens;
    mapping(IERC20 => uint256) private __reserveIds;

    IConverterAnchor public override anchor; // converter anchor contract
    uint32 public override maxConversionFee; // maximum conversion fee, represented in ppm, 0...1000000
    uint32 public override conversionFee; // current conversion fee, represented in ppm, 0...maxConversionFee

    // average rate details:
    // bits 0...111 represent the numerator of the rate between reserve token 0 and reserve token 1
    // bits 111...223 represent the denominator of the rate between reserve token 0 and reserve token 1
    // bits 224...255 represent the update-time of the rate between reserve token 0 and reserve token 1
    // where `numerator / denominator` gives the worth of one reserve token 0 in units of reserve token 1
    uint256 public averageRateInfo;

    /**
     * @dev triggered after liquidity is added
     *
     * @param  _provider       liquidity provider
     * @param  _reserveToken   reserve token address
     * @param  _amount         reserve token amount
     * @param  _newBalance     reserve token new balance
     * @param  _newSupply      pool token new supply
     */
    event LiquidityAdded(
        address indexed _provider,
        IERC20 indexed _reserveToken,
        uint256 _amount,
        uint256 _newBalance,
        uint256 _newSupply
    );

    /**
     * @dev triggered after liquidity is removed
     *
     * @param  _provider       liquidity provider
     * @param  _reserveToken   reserve token address
     * @param  _amount         reserve token amount
     * @param  _newBalance     reserve token new balance
     * @param  _newSupply      pool token new supply
     */
    event LiquidityRemoved(
        address indexed _provider,
        IERC20 indexed _reserveToken,
        uint256 _amount,
        uint256 _newBalance,
        uint256 _newSupply
    );

    /**
     * @dev initializes a new StandardPoolConverter instance
     *
     * @param  _anchor             anchor governed by the converter
     * @param  _registry           address of a contract registry contract
     * @param  _maxConversionFee   maximum conversion fee, represented in ppm
     */
    constructor(
        IConverterAnchor _anchor,
        IContractRegistry _registry,
        uint32 _maxConversionFee
    ) public ContractRegistryClient(_registry) validAddress(address(_anchor)) validConversionFee(_maxConversionFee) {
        anchor = _anchor;
        maxConversionFee = _maxConversionFee;
    }

    // ensures that the converter is active
    modifier active() {
        _active();
        _;
    }

    // error message binary size optimization
    function _active() internal view {
        require(isActive(), "ERR_INACTIVE");
    }

    // ensures that the converter is not active
    modifier inactive() {
        _inactive();
        _;
    }

    // error message binary size optimization
    function _inactive() internal view {
        require(!isActive(), "ERR_ACTIVE");
    }

    // validates a reserve token address - verifies that the address belongs to one of the reserve tokens
    modifier validReserve(IERC20 _address) {
        _validReserve(_address);
        _;
    }

    // error message binary size optimization
    function _validReserve(IERC20 _address) internal view {
        require(__reserveIds[_address] != 0, "ERR_INVALID_RESERVE");
    }

    // validates conversion fee
    modifier validConversionFee(uint32 _conversionFee) {
        _validConversionFee(_conversionFee);
        _;
    }

    // error message binary size optimization
    function _validConversionFee(uint32 _conversionFee) internal pure {
        require(_conversionFee <= PPM_RESOLUTION, "ERR_INVALID_CONVERSION_FEE");
    }

    // validates reserve weight
    modifier validReserveWeight(uint32 _weight) {
        _validReserveWeight(_weight);
        _;
    }

    // error message binary size optimization
    function _validReserveWeight(uint32 _weight) internal pure {
        require(_weight == PPM_RESOLUTION / 2, "ERR_INVALID_RESERVE_WEIGHT");
    }

    /**
     * @dev returns the converter type
     *
     * @return see the converter types in the the main contract doc
     */
    function converterType() public pure virtual override returns (uint16) {
        return 3;
    }

    /**
     * @dev deposits ether
     * can only be called if the converter has an ETH reserve
     */
    receive() external payable override(IConverter) validReserve(NATIVE_TOKEN_ADDRESS) {}

    /**
     * @dev checks whether or not the converter version is 28 or higher
     *
     * @return true, since the converter version is 28 or higher
     */
    function isV28OrHigher() public pure returns (bool) {
        return true;
    }

    /**
     * @dev returns true if the converter is active, false otherwise
     *
     * @return true if the converter is active, false otherwise
     */
    function isActive() public view virtual override returns (bool) {
        return anchor.owner() == address(this);
    }

    /**
     * @dev transfers the anchor ownership
     * the new owner needs to accept the transfer
     * can only be called by the converter upgrader while the upgrader is the owner
     * note that prior to version 28, you should use 'transferAnchorOwnership' instead
     *
     * @param _newOwner    new token owner
     */
    function transferAnchorOwnership(address _newOwner) public override ownerOnly only(CONVERTER_UPGRADER) {
        anchor.transferOwnership(_newOwner);
    }

    /**
     * @dev accepts ownership of the anchor after an ownership transfer
     * most converters are also activated as soon as they accept the anchor ownership
     * can only be called by the contract owner
     * note that prior to version 28, you should use 'acceptTokenOwnership' instead
     */
    function acceptAnchorOwnership() public virtual override ownerOnly {
        // verify the the converter has exactly two reserves
        require(reserveTokenCount() == 2, "ERR_INVALID_RESERVE_COUNT");
        anchor.acceptOwnership();
        syncReserveBalances(0);
        emit Activation(converterType(), anchor, true);
    }

    /**
     * @dev updates the current conversion fee
     * can only be called by the contract owner
     *
     * @param _conversionFee new conversion fee, represented in ppm
     */
    function setConversionFee(uint32 _conversionFee) public override ownerOnly {
        require(_conversionFee <= maxConversionFee, "ERR_INVALID_CONVERSION_FEE");
        emit ConversionFeeUpdate(conversionFee, _conversionFee);
        conversionFee = _conversionFee;
    }

    /**
     * @dev transfers reserve balances to a new converter during an upgrade
     * can only be called by the converter upgraded which should be set at its owner
     *
     * @param _newConverter address of the converter to receive the new amount
     */
    function transferReservesOnUpgrade(address _newConverter)
        external
        override
        protected
        ownerOnly
        only(CONVERTER_UPGRADER)
    {
        uint256 reserveCount = __reserveTokens.length;
        for (uint256 i = 0; i < reserveCount; ++i) {
            IERC20 reserveToken = __reserveTokens[i];

            uint256 amount;
            if (reserveToken == NATIVE_TOKEN_ADDRESS) {
                amount = address(this).balance;
            } else {
                amount = reserveToken.balanceOf(address(this));
            }

            safeTransfer(reserveToken, _newConverter, amount);

            syncReserveBalance(reserveToken);
        }
    }

    /**
     * @dev upgrades the converter to the latest version
     * can only be called by the owner
     * note that the owner needs to call acceptOwnership on the new converter after the upgrade
     */
    function upgrade() public ownerOnly {
        IConverterUpgrader converterUpgrader = IConverterUpgrader(addressOf(CONVERTER_UPGRADER));

        // trigger de-activation event
        emit Activation(converterType(), anchor, false);

        transferOwnership(address(converterUpgrader));
        converterUpgrader.upgrade(version);
        acceptOwnership();
    }

    /**
     * @dev executed by the upgrader at the end of the upgrade process to handle custom pool logic
     */
    function onUpgradeComplete()
        external
        override
        protected
        ownerOnly
        only(CONVERTER_UPGRADER)
    {
        (uint256 reserveBalance0, uint256 reserveBalance1) = reserveBalances(1, 2);
        _reserveBalancesProduct = reserveBalance0 * reserveBalance1;
    }

    /**
     * @dev returns the number of reserve tokens
     * note that prior to version 17, you should use 'connectorTokenCount' instead
     *
     * @return number of reserve tokens
     */
    function reserveTokenCount() public view returns (uint16) {
        return uint16(__reserveTokens.length);
    }

    /**
     * @dev returns the array of reserve tokens
     *
     * @return array of reserve tokens
     */
    function reserveTokens() public view returns (IERC20[] memory) {
        return __reserveTokens;
    }

    /**
     * @dev defines a new reserve token for the converter
     * can only be called by the owner while the converter is inactive
     *
     * @param _token   address of the reserve token
     * @param _weight  reserve weight, represented in ppm, 1-1000000
     */
    function addReserve(IERC20 _token, uint32 _weight)
        public
        virtual
        override
        ownerOnly
        inactive
        validExternalAddress(address(_token))
        validReserveWeight(_weight)
    {
        // validate input
        require(address(_token) != address(anchor) && __reserveIds[_token] == 0, "ERR_INVALID_RESERVE");
        require(reserveTokenCount() < 2, "ERR_INVALID_RESERVE_COUNT");

        __reserveTokens.push(_token);
        __reserveIds[_token] = __reserveTokens.length;
    }

    /**
     * @dev returns the reserve's weight
     * added in version 28
     *
     * @param _reserveToken    reserve token contract address
     *
     * @return reserve weight
     */
    function reserveWeight(IERC20 _reserveToken) public view validReserve(_reserveToken) returns (uint32) {
        return PPM_RESOLUTION / 2;
    }

    /**
     * @dev returns the balance of a given reserve token
     *
     * @param _reserveToken    reserve token contract address
     *
     * @return the balance of the given reserve token
     */
    function reserveBalance(IERC20 _reserveToken) public view override returns (uint256) {
        uint256 reserveId = __reserveIds[_reserveToken];
        require(reserveId != 0, "ERR_INVALID_RESERVE");
        return reserveBalance(reserveId);
    }

    /**
     * @dev returns the balances of both reserve tokens
     *
     * @return the balances of both reserve tokens
     */
    function reserveBalances() public view returns (uint256, uint256) {
        return reserveBalances(1, 2);
    }

    /**
     * @dev syncs all stored reserve balances
     */
    function syncReserveBalances() external {
        syncReserveBalances(0);
    }

    /**
     * @dev calculates the accumulated network fee and transfers it to the network fee wallet
     */
    function processNetworkFees() external protected {
        (uint256 reserveBalance0, uint256 reserveBalance1) = processNetworkFees(0);
        _reserveBalancesProduct = reserveBalance0 * reserveBalance1;
    }

    /**
     * @dev calculates the accumulated network fee and transfers it to the network fee wallet
     *
     * @param _value amount of ether to exclude from the ether reserve balance (if relevant)
     *
     * @return new reserve balances
     */
    function processNetworkFees(uint256 _value) internal returns (uint256, uint256) {
        syncReserveBalances(_value);
        (uint256 reserveBalance0, uint256 reserveBalance1) = reserveBalances(1, 2);
        (ITokenHolder wallet, uint256 fee0, uint256 fee1) = networkWalletAndFees(reserveBalance0, reserveBalance1);
        reserveBalance0 -= fee0;
        reserveBalance1 -= fee1;
        setReserveBalances(1, 2, reserveBalance0, reserveBalance1);
        safeTransfer(__reserveTokens[0], address(wallet), fee0);
        safeTransfer(__reserveTokens[1], address(wallet), fee1);
        return (reserveBalance0, reserveBalance1);
    }

    /**
     * @dev returns the reserve balances of the given reserve tokens minus their corresponding fees
     *
     * @param _reserveTokens reserve tokens
     *
     * @return reserve balances minus their corresponding fees
     */
    function baseReserveBalances(IERC20[] memory _reserveTokens) internal view returns (uint256[2] memory) {
        uint256 reserveId0 = __reserveIds[_reserveTokens[0]];
        uint256 reserveId1 = __reserveIds[_reserveTokens[1]];
        (uint256 reserveBalance0, uint256 reserveBalance1) = reserveBalances(reserveId0, reserveId1);
        (, uint256 fee0, uint256 fee1) = networkWalletAndFees(reserveBalance0, reserveBalance1);
        return [reserveBalance0 - fee0, reserveBalance1 - fee1];
    }

    /**
     * @dev converts a specific amount of source tokens to target tokens
     * can only be called by the bancor network contract
     *
     * @param _sourceToken source ERC20 token
     * @param _targetToken target ERC20 token
     * @param _amount      amount of tokens to convert (in units of the source token)
     * @param _trader      address of the caller who executed the conversion
     * @param _beneficiary wallet to receive the conversion result
     *
     * @return amount of tokens received (in units of the target token)
     */
    function convert(
        IERC20 _sourceToken,
        IERC20 _targetToken,
        uint256 _amount,
        address _trader,
        address payable _beneficiary
    ) public payable override protected only(BANCOR_NETWORK) returns (uint256) {
        // validate input
        require(_sourceToken != _targetToken, "ERR_SAME_SOURCE_TARGET");

        return doConvert(_sourceToken, _targetToken, _amount, _trader, _beneficiary);
    }

    /**
     * @dev returns the conversion fee for a given target amount
     *
     * @param _targetAmount  target amount
     *
     * @return conversion fee
     */
    function calculateFee(uint256 _targetAmount) internal view returns (uint256) {
        return _targetAmount.mul(conversionFee) / PPM_RESOLUTION;
    }

    /**
     * @dev returns the conversion fee taken from a given target amount
     *
     * @param _targetAmount  target amount
     *
     * @return conversion fee
     */
    function calculateFeeInv(uint256 _targetAmount) internal view returns (uint256) {
        return _targetAmount.mul(conversionFee).div(PPM_RESOLUTION - conversionFee);
    }

    /**
     * @dev loads the stored reserve balance for a given reserve id
     *
     * @param _reserveId   reserve id
     */
    function reserveBalance(uint256 _reserveId) internal view returns (uint256) {
        return decodeReserveBalance(__reserveBalances, _reserveId);
    }

    /**
     * @dev loads the stored reserve balances
     *
     * @param _sourceId    source reserve id
     * @param _targetId    target reserve id
     */
    function reserveBalances(uint256 _sourceId, uint256 _targetId) internal view returns (uint256, uint256) {
        require((_sourceId == 1 && _targetId == 2) || (_sourceId == 2 && _targetId == 1), "ERR_INVALID_RESERVES");
        return decodeReserveBalances(__reserveBalances, _sourceId, _targetId);
    }

    /**
     * @dev stores the stored reserve balance for a given reserve id
     *
     * @param _reserveId       reserve id
     * @param _reserveBalance  reserve balance
     */
    function setReserveBalance(uint256 _reserveId, uint256 _reserveBalance) internal {
        require(_reserveBalance <= MAX_UINT128, "ERR_RESERVE_BALANCE_OVERFLOW");
        uint256 otherBalance = decodeReserveBalance(__reserveBalances, 3 - _reserveId);
        __reserveBalances = encodeReserveBalances(_reserveBalance, _reserveId, otherBalance, 3 - _reserveId);
    }

    /**
     * @dev stores the stored reserve balances
     *
     * @param _sourceId        source reserve id
     * @param _targetId        target reserve id
     * @param _sourceBalance   source reserve balance
     * @param _targetBalance   target reserve balance
     */
    function setReserveBalances(
        uint256 _sourceId,
        uint256 _targetId,
        uint256 _sourceBalance,
        uint256 _targetBalance
    ) internal {
        require(_sourceBalance <= MAX_UINT128 && _targetBalance <= MAX_UINT128, "ERR_RESERVE_BALANCE_OVERFLOW");
        __reserveBalances = encodeReserveBalances(_sourceBalance, _sourceId, _targetBalance, _targetId);
    }

    /**
     * @dev syncs the stored reserve balance for a given reserve with the real reserve balance
     *
     * @param _reserveToken    address of the reserve token
     */
    function syncReserveBalance(IERC20 _reserveToken) internal {
        uint256 reserveId = __reserveIds[_reserveToken];
        uint256 balance =
            _reserveToken == NATIVE_TOKEN_ADDRESS ? address(this).balance : _reserveToken.balanceOf(address(this));
        setReserveBalance(reserveId, balance);
    }

    /**
     * @dev syncs all stored reserve balances, excluding a given amount of ether from the ether reserve balance (if relevant)
     *
     * @param _value   amount of ether to exclude from the ether reserve balance (if relevant)
     */
    function syncReserveBalances(uint256 _value) internal {
        IERC20 _reserveToken0 = __reserveTokens[0];
        IERC20 _reserveToken1 = __reserveTokens[1];
        uint256 balance0 =
            _reserveToken0 == NATIVE_TOKEN_ADDRESS
                ? address(this).balance - _value
                : _reserveToken0.balanceOf(address(this));
        uint256 balance1 =
            _reserveToken1 == NATIVE_TOKEN_ADDRESS
                ? address(this).balance - _value
                : _reserveToken1.balanceOf(address(this));
        setReserveBalances(1, 2, balance0, balance1);
    }

    /**
     * @dev helper, dispatches the Conversion event
     *
     * @param _sourceToken     source ERC20 token
     * @param _targetToken     target ERC20 token
     * @param _trader          address of the caller who executed the conversion
     * @param _amount          amount purchased/sold (in the source token)
     * @param _returnAmount    amount returned (in the target token)
     */
    function dispatchConversionEvent(
        IERC20 _sourceToken,
        IERC20 _targetToken,
        address _trader,
        uint256 _amount,
        uint256 _returnAmount,
        uint256 _feeAmount
    ) internal {
        emit Conversion(_sourceToken, _targetToken, _trader, _amount, _returnAmount, int256(_feeAmount));
    }

    /**
     * @dev returns the expected amount and expected fee for converting one reserve to another
     *
     * @param _sourceToken address of the source reserve token contract
     * @param _targetToken address of the target reserve token contract
     * @param _amount      amount of source reserve tokens converted
     *
     * @return expected amount in units of the target reserve token
     * @return expected fee in units of the target reserve token
     */
    function targetAmountAndFee(
        IERC20 _sourceToken,
        IERC20 _targetToken,
        uint256 _amount
    ) public view virtual override active returns (uint256, uint256) {
        uint256 sourceId = __reserveIds[_sourceToken];
        uint256 targetId = __reserveIds[_targetToken];

        (uint256 sourceBalance, uint256 targetBalance) = reserveBalances(sourceId, targetId);

        return targetAmountAndFee(_sourceToken, _targetToken, sourceBalance, targetBalance, _amount);
    }

    /**
     * @dev returns the expected amount and expected fee for converting one reserve to another
     *
     * @param _sourceBalance    balance in the source reserve token contract
     * @param _targetBalance    balance in the target reserve token contract
     * @param _amount           amount of source reserve tokens converted
     *
     * @return expected amount in units of the target reserve token
     * @return expected fee in units of the target reserve token
     */
    function targetAmountAndFee(
        IERC20, /* _sourceToken */
        IERC20, /* _targetToken */
        uint256 _sourceBalance,
        uint256 _targetBalance,
        uint256 _amount
    ) internal view virtual returns (uint256, uint256) {
        uint256 amount = crossReserveTargetAmount(_sourceBalance, _targetBalance, _amount);

        uint256 fee = calculateFee(amount);

        return (amount - fee, fee);
    }

    /**
     * @dev returns the required amount and expected fee for converting one reserve to another
     *
     * @param _sourceToken address of the source reserve token contract
     * @param _targetToken address of the target reserve token contract
     * @param _amount      amount of target reserve tokens desired
     *
     * @return required amount in units of the source reserve token
     * @return expected fee in units of the target reserve token
     */
    function sourceAmountAndFee(
        IERC20 _sourceToken,
        IERC20 _targetToken,
        uint256 _amount
    ) public view virtual active returns (uint256, uint256) {
        uint256 sourceId = __reserveIds[_sourceToken];
        uint256 targetId = __reserveIds[_targetToken];

        (uint256 sourceBalance, uint256 targetBalance) = reserveBalances(sourceId, targetId);

        uint256 fee = calculateFeeInv(_amount);

        uint256 amount = crossReserveSourceAmount(sourceBalance, targetBalance, _amount.add(fee));

        return (amount, fee);
    }

    /**
     * @dev converts a specific amount of source tokens to target tokens
     *
     * @param _sourceToken source ERC20 token
     * @param _targetToken target ERC20 token
     * @param _amount      amount of tokens to convert (in units of the source token)
     * @param _trader      address of the caller who executed the conversion
     * @param _beneficiary wallet to receive the conversion result
     *
     * @return amount of tokens received (in units of the target token)
     */
    function doConvert(
        IERC20 _sourceToken,
        IERC20 _targetToken,
        uint256 _amount,
        address _trader,
        address payable _beneficiary
    ) internal returns (uint256) {
        // update the recent average rate
        updateRecentAverageRate();

        uint256 sourceId = __reserveIds[_sourceToken];
        uint256 targetId = __reserveIds[_targetToken];

        (uint256 sourceBalance, uint256 targetBalance) = reserveBalances(sourceId, targetId);

        // get the target amount minus the conversion fee and the conversion fee
        (uint256 amount, uint256 fee) =
            targetAmountAndFee(_sourceToken, _targetToken, sourceBalance, targetBalance, _amount);

        // ensure that the trade gives something in return
        require(amount != 0, "ERR_ZERO_TARGET_AMOUNT");

        // ensure that the trade won't deplete the reserve balance
        assert(amount < targetBalance);

        // ensure that the input amount was already deposited
        uint256 actualSourceBalance;
        if (_sourceToken == NATIVE_TOKEN_ADDRESS) {
            actualSourceBalance = address(this).balance;
            require(msg.value == _amount, "ERR_ETH_AMOUNT_MISMATCH");
        } else {
            actualSourceBalance = _sourceToken.balanceOf(address(this));
            require(msg.value == 0 && actualSourceBalance.sub(sourceBalance) >= _amount, "ERR_INVALID_AMOUNT");
        }

        // sync the reserve balances
        setReserveBalances(sourceId, targetId, actualSourceBalance, targetBalance - amount);

        // transfer funds to the beneficiary in the to reserve token
        safeTransfer(_targetToken, _beneficiary, amount);

        // dispatch the conversion event
        dispatchConversionEvent(_sourceToken, _targetToken, _trader, _amount, amount, fee);

        // dispatch rate updates
        dispatchTokenRateUpdateEvents(_sourceToken, _targetToken, actualSourceBalance, targetBalance - amount);

        return amount;
    }

    /**
     * @dev returns the recent average rate of 1 `_token` in the other reserve token units
     *
     * @param _token   token to get the rate for
     *
     * @return recent average rate between the reserves (numerator)
     * @return recent average rate between the reserves (denominator)
     */
    function recentAverageRate(IERC20 _token) external view validReserve(_token) returns (uint256, uint256) {
        // get the recent average rate of reserve 0
        uint256 rate = calcRecentAverageRate(averageRateInfo);

        uint256 rateN = decodeAverageRateN(rate);
        uint256 rateD = decodeAverageRateD(rate);

        if (_token == __reserveTokens[0]) {
            return (rateN, rateD);
        }

        return (rateD, rateN);
    }

    /**
     * @dev updates the recent average rate if needed
     */
    function updateRecentAverageRate() internal {
        uint256 averageRateInfo1 = averageRateInfo;
        uint256 averageRateInfo2 = calcRecentAverageRate(averageRateInfo1);
        if (averageRateInfo1 != averageRateInfo2) {
            averageRateInfo = averageRateInfo2;
        }
    }

    /**
     * @dev returns the recent average rate of 1 reserve token 0 in reserve token 1 units
     *
     * @param _averageRateInfo a local copy of the `averageRateInfo` state-variable
     *
     * @return recent average rate between the reserves
     */
    function calcRecentAverageRate(uint256 _averageRateInfo) internal view returns (uint256) {
        // get the previous average rate and its update-time
        uint256 prevAverageRateT = decodeAverageRateT(_averageRateInfo);
        uint256 prevAverageRateN = decodeAverageRateN(_averageRateInfo);
        uint256 prevAverageRateD = decodeAverageRateD(_averageRateInfo);

        // get the elapsed time since the previous average rate was calculated
        uint256 currentTime = time();
        uint256 timeElapsed = currentTime - prevAverageRateT;

        // if the previous average rate was calculated in the current block, the average rate remains unchanged
        if (timeElapsed == 0) {
            return _averageRateInfo;
        }

        // get the current rate between the reserves
        (uint256 currentRateD, uint256 currentRateN) = reserveBalances();

        // if the previous average rate was calculated a while ago or never, the average rate is equal to the current rate
        if (timeElapsed >= AVERAGE_RATE_PERIOD || prevAverageRateT == 0) {
            (currentRateN, currentRateD) = MathEx.reducedRatio(currentRateN, currentRateD, MAX_UINT112);
            return encodeAverageRateInfo(currentTime, currentRateN, currentRateD);
        }

        uint256 x = prevAverageRateD.mul(currentRateN);
        uint256 y = prevAverageRateN.mul(currentRateD);

        // since we know that timeElapsed < AVERAGE_RATE_PERIOD, we can avoid using SafeMath:
        uint256 newRateN = y.mul(AVERAGE_RATE_PERIOD - timeElapsed).add(x.mul(timeElapsed));
        uint256 newRateD = prevAverageRateD.mul(currentRateD).mul(AVERAGE_RATE_PERIOD);

        (newRateN, newRateD) = MathEx.reducedRatio(newRateN, newRateD, MAX_UINT112);
        return encodeAverageRateInfo(currentTime, newRateN, newRateD);
    }

    /**
     * @dev increases the pool's liquidity and mints new shares in the pool to the caller
     *
     * @param _reserveTokens   address of each reserve token
     * @param _reserveAmounts  amount of each reserve token
     * @param _minReturn       token minimum return-amount
     *
     * @return amount of pool tokens issued
     */
    function addLiquidity(
        IERC20[] memory _reserveTokens,
        uint256[] memory _reserveAmounts,
        uint256 _minReturn
    ) public payable protected active returns (uint256) {
        // verify the user input
        verifyLiquidityInput(_reserveTokens, _reserveAmounts, _minReturn);

        // if one of the reserves is ETH, then verify that the input amount of ETH is equal to the input value of ETH
        for (uint256 i = 0; i < 2; i++) {
            if (_reserveTokens[i] == NATIVE_TOKEN_ADDRESS) {
                require(_reserveAmounts[i] == msg.value, "ERR_ETH_AMOUNT_MISMATCH");
            }
        }

        // if the input value of ETH is larger than zero, then verify that one of the reserves is ETH
        if (msg.value > 0) {
            require(__reserveIds[NATIVE_TOKEN_ADDRESS] != 0, "ERR_NO_ETH_RESERVE");
        }

        // save a local copy of the pool token
        IDSToken poolToken = IDSToken(address(anchor));

        // get the total supply
        uint256 totalSupply = poolToken.totalSupply();

        uint256[2] memory prevReserveBalances;
        uint256[2] memory newReserveBalances;

        // process the network fees and get the reserve balances
        (prevReserveBalances[0], prevReserveBalances[1]) = processNetworkFees(msg.value);

        uint256 amount;
        uint256[2] memory reserveAmounts;

        // calculate the amount of pool tokens to mint for the caller
        // and the amount of reserve tokens to transfer from the caller
        if (totalSupply == 0) {
            amount = MathEx.geometricMean(_reserveAmounts);
            reserveAmounts[0] = _reserveAmounts[0];
            reserveAmounts[1] = _reserveAmounts[1];
        } else {
            (amount, reserveAmounts) = addLiquidityAmounts(
                _reserveTokens,
                _reserveAmounts,
                prevReserveBalances,
                totalSupply
            );
        }

        uint256 newPoolTokenSupply = totalSupply.add(amount);
        for (uint256 i = 0; i < 2; i++) {
            IERC20 reserveToken = _reserveTokens[i];
            uint256 reserveAmount = reserveAmounts[i];
            require(reserveAmount > 0, "ERR_ZERO_TARGET_AMOUNT");
            assert(reserveAmount <= _reserveAmounts[i]);

            // transfer each one of the reserve amounts from the user to the pool
            if (reserveToken != NATIVE_TOKEN_ADDRESS) {
                // ETH has already been transferred as part of the transaction
                reserveToken.safeTransferFrom(msg.sender, address(this), reserveAmount);
            } else if (_reserveAmounts[i] > reserveAmount) {
                // transfer the extra amount of ETH back to the user
                msg.sender.transfer(_reserveAmounts[i] - reserveAmount);
            }

            // save the new reserve balance
            newReserveBalances[i] = prevReserveBalances[i].add(reserveAmount);

            emit LiquidityAdded(msg.sender, reserveToken, reserveAmount, newReserveBalances[i], newPoolTokenSupply);

            // dispatch the `TokenRateUpdate` event for the pool token
            emit TokenRateUpdate(poolToken, reserveToken, newReserveBalances[i], newPoolTokenSupply);
        }

        // set the reserve balances
        setReserveBalances(1, 2, newReserveBalances[0], newReserveBalances[1]);

        // set the reserve balances product
        _reserveBalancesProduct = newReserveBalances[0] * newReserveBalances[1];

        // verify that the equivalent amount of tokens is equal to or larger than the user's expectation
        require(amount >= _minReturn, "ERR_RETURN_TOO_LOW");

        // issue the tokens to the user
        poolToken.issue(msg.sender, amount);

        // return the amount of pool tokens issued
        return amount;
    }

    /**
     * @dev get the amount of pool tokens to mint for the caller
     * and the amount of reserve tokens to transfer from the caller
     *
     * @param _reserveAmounts   amount of each reserve token
     * @param _reserveBalances  balance of each reserve token
     * @param _totalSupply      total supply of pool tokens
     *
     * @return amount of pool tokens to mint for the caller
     * @return amount of reserve tokens to transfer from the caller
     */
    function addLiquidityAmounts(
        IERC20[] memory, /* _reserveTokens */
        uint256[] memory _reserveAmounts,
        uint256[2] memory _reserveBalances,
        uint256 _totalSupply
    ) internal view virtual returns (uint256, uint256[2] memory) {
        this;

        uint256 index =
            _reserveAmounts[0].mul(_reserveBalances[1]) < _reserveAmounts[1].mul(_reserveBalances[0]) ? 0 : 1;
        uint256 amount = fundSupplyAmount(_totalSupply, _reserveBalances[index], _reserveAmounts[index]);

        uint256[2] memory reserveAmounts =
            [fundCost(_totalSupply, _reserveBalances[0], amount), fundCost(_totalSupply, _reserveBalances[1], amount)];

        return (amount, reserveAmounts);
    }

    /**
     * @dev decreases the pool's liquidity and burns the caller's shares in the pool
     *
     * @param _amount                  token amount
     * @param _reserveTokens           address of each reserve token
     * @param _reserveMinReturnAmounts minimum return-amount of each reserve token
     *
     * @return the amount of each reserve token granted for the given amount of pool tokens
     */
    function removeLiquidity(
        uint256 _amount,
        IERC20[] memory _reserveTokens,
        uint256[] memory _reserveMinReturnAmounts
    ) public protected active returns (uint256[] memory) {
        // verify the user input
        bool inputRearranged = verifyLiquidityInput(_reserveTokens, _reserveMinReturnAmounts, _amount);

        // save a local copy of the pool token
        IDSToken poolToken = IDSToken(address(anchor));

        // get the total supply BEFORE destroying the user tokens
        uint256 totalSupply = poolToken.totalSupply();

        // destroy the user tokens
        poolToken.destroy(msg.sender, _amount);

        uint256 newPoolTokenSupply = totalSupply.sub(_amount);

        uint256[2] memory prevReserveBalances;
        uint256[2] memory newReserveBalances;

        // process the network fees and get the reserve balances
        (prevReserveBalances[0], prevReserveBalances[1]) = processNetworkFees(0);

        uint256[] memory reserveAmounts = removeLiquidityReserveAmounts(_amount, totalSupply, prevReserveBalances);

        for (uint256 i = 0; i < 2; i++) {
            IERC20 reserveToken = _reserveTokens[i];
            uint256 reserveAmount = reserveAmounts[i];
            require(reserveAmount >= _reserveMinReturnAmounts[i], "ERR_ZERO_TARGET_AMOUNT");

            // save the new reserve balance
            newReserveBalances[i] = prevReserveBalances[i].sub(reserveAmount);

            // transfer each one of the reserve amounts from the pool to the user
            safeTransfer(reserveToken, msg.sender, reserveAmount);

            emit LiquidityRemoved(msg.sender, reserveToken, reserveAmount, newReserveBalances[i], newPoolTokenSupply);

            // dispatch the `TokenRateUpdate` event for the pool token
            emit TokenRateUpdate(poolToken, reserveToken, newReserveBalances[i], newPoolTokenSupply);
        }

        // set the reserve balances
        setReserveBalances(1, 2, newReserveBalances[0], newReserveBalances[1]);

        // set the reserve balances product
        _reserveBalancesProduct = newReserveBalances[0] * newReserveBalances[1];

        if (inputRearranged) {
            uint256 tempReserveAmount = reserveAmounts[0];
            reserveAmounts[0] = reserveAmounts[1];
            reserveAmounts[1] = tempReserveAmount;
        }

        // return the amount of each reserve token granted for the given amount of pool tokens
        return reserveAmounts;
    }

    /**
     * @dev given the amount of one of the reserve tokens to add liquidity of,
     * returns the required amount of each one of the other reserve tokens
     * since an empty pool can be funded with any list of non-zero input amounts,
     * this function assumes that the pool is not empty (has already been funded)
     *
     * @param _reserveTokens       address of each reserve token
     * @param _reserveTokenIndex   index of the relevant reserve token
     * @param _reserveAmount       amount of the relevant reserve token
     *
     * @return the required amount of each one of the reserve tokens
     */
    function addLiquidityCost(
        IERC20[] memory _reserveTokens,
        uint256 _reserveTokenIndex,
        uint256 _reserveAmount
    ) public view returns (uint256[] memory) {
        uint256 totalSupply = IDSToken(address(anchor)).totalSupply();
        uint256[2] memory baseBalances = baseReserveBalances(_reserveTokens);
        uint256 amount = fundSupplyAmount(totalSupply, baseBalances[_reserveTokenIndex], _reserveAmount);

        uint256[] memory reserveAmounts = new uint256[](2);
        reserveAmounts[0] = fundCost(totalSupply, baseBalances[0], amount);
        reserveAmounts[1] = fundCost(totalSupply, baseBalances[1], amount);
        return reserveAmounts;
    }

    /**
     * @dev returns the amount of pool tokens entitled for given amounts of reserve tokens
     * since an empty pool can be funded with any list of non-zero input amounts,
     * this function assumes that the pool is not empty (has already been funded)
     *
     * @param _reserveTokens   address of each reserve token
     * @param _reserveAmounts  amount of each reserve token
     *
     * @return the amount of pool tokens entitled for the given amounts of reserve tokens
     */
    function addLiquidityReturn(IERC20[] memory _reserveTokens, uint256[] memory _reserveAmounts)
        public
        view
        returns (uint256)
    {
        uint256 totalSupply = IDSToken(address(anchor)).totalSupply();
        uint256[2] memory baseBalances = baseReserveBalances(_reserveTokens);
        (uint256 amount, ) = addLiquidityAmounts(_reserveTokens, _reserveAmounts, baseBalances, totalSupply);
        return amount;
    }

    /**
     * @dev returns the amount of each reserve token entitled for a given amount of pool tokens
     *
     * @param _amount          amount of pool tokens
     * @param _reserveTokens   address of each reserve token
     *
     * @return the amount of each reserve token entitled for the given amount of pool tokens
     */
    function removeLiquidityReturn(uint256 _amount, IERC20[] memory _reserveTokens)
        public
        view
        returns (uint256[] memory)
    {
        uint256 totalSupply = IDSToken(address(anchor)).totalSupply();
        uint256[2] memory baseBalances = baseReserveBalances(_reserveTokens);
        return removeLiquidityReserveAmounts(_amount, totalSupply, baseBalances);
    }

    /**
     * @dev verifies that a given array of tokens is identical to the converter's array of reserve tokens
     * we take this input in order to allow specifying the corresponding reserve amounts in any order
     * this function rearranges the input arrays according to the converter's array of reserve tokens
     *
     * @param _reserveTokens   array of reserve tokens
     * @param _reserveAmounts  array of reserve amounts
     * @param _amount          token amount
     *
     * @return true if the function has rearranged the input arrays; false otherwise
     */
    function verifyLiquidityInput(
        IERC20[] memory _reserveTokens,
        uint256[] memory _reserveAmounts,
        uint256 _amount
    ) private view returns (bool) {
        require(validReserveAmounts(_reserveAmounts) && _amount > 0, "ERR_ZERO_AMOUNT");

        uint256 reserve0Id = __reserveIds[_reserveTokens[0]];
        uint256 reserve1Id = __reserveIds[_reserveTokens[1]];

        if (reserve0Id == 2 && reserve1Id == 1) {
            IERC20 tempReserveToken = _reserveTokens[0];
            _reserveTokens[0] = _reserveTokens[1];
            _reserveTokens[1] = tempReserveToken;
            uint256 tempReserveAmount = _reserveAmounts[0];
            _reserveAmounts[0] = _reserveAmounts[1];
            _reserveAmounts[1] = tempReserveAmount;
            return true;
        }

        require(reserve0Id == 1 && reserve1Id == 2, "ERR_INVALID_RESERVE");
        return false;
    }

    /**
     * @dev checks whether or not both reserve amounts are larger than zero
     *
     * @param _reserveAmounts  array of reserve amounts
     *
     * @return true if both reserve amounts are larger than zero; false otherwise
     */
    function validReserveAmounts(uint256[] memory _reserveAmounts) internal pure virtual returns (bool) {
        return _reserveAmounts[0] > 0 && _reserveAmounts[1] > 0;
    }

    /**
     * @dev returns the amount of each reserve token entitled for a given amount of pool tokens
     *
     * @param _amount          amount of pool tokens
     * @param _totalSupply     total supply of pool tokens
     * @param _reserveBalances balance of each reserve token
     *
     * @return the amount of each reserve token entitled for the given amount of pool tokens
     */
    function removeLiquidityReserveAmounts(
        uint256 _amount,
        uint256 _totalSupply,
        uint256[2] memory _reserveBalances
    ) private pure returns (uint256[] memory) {
        uint256[] memory reserveAmounts = new uint256[](2);
        reserveAmounts[0] = liquidateReserveAmount(_totalSupply, _reserveBalances[0], _amount);
        reserveAmounts[1] = liquidateReserveAmount(_totalSupply, _reserveBalances[1], _amount);
        return reserveAmounts;
    }

    /**
     * @dev dispatches token rate update events for the reserve tokens and the pool token
     *
     * @param _sourceToken     address of the source reserve token
     * @param _targetToken     address of the target reserve token
     * @param _sourceBalance   balance of the source reserve token
     * @param _targetBalance   balance of the target reserve token
     */
    function dispatchTokenRateUpdateEvents(
        IERC20 _sourceToken,
        IERC20 _targetToken,
        uint256 _sourceBalance,
        uint256 _targetBalance
    ) private {
        // save a local copy of the pool token
        IDSToken poolToken = IDSToken(address(anchor));

        // get the total supply of pool tokens
        uint256 poolTokenSupply = poolToken.totalSupply();

        // dispatch token rate update event for the reserve tokens
        emit TokenRateUpdate(_sourceToken, _targetToken, _targetBalance, _sourceBalance);

        // dispatch token rate update events for the pool token
        emit TokenRateUpdate(poolToken, _sourceToken, _sourceBalance, poolTokenSupply);
        emit TokenRateUpdate(poolToken, _targetToken, _targetBalance, poolTokenSupply);
    }

    function encodeReserveBalance(uint256 _balance, uint256 _id) private pure returns (uint256) {
        assert(_balance <= MAX_UINT128 && (_id == 1 || _id == 2));
        return _balance << ((_id - 1) * 128);
    }

    function decodeReserveBalance(uint256 _balances, uint256 _id) private pure returns (uint256) {
        assert(_id == 1 || _id == 2);
        return (_balances >> ((_id - 1) * 128)) & MAX_UINT128;
    }

    function encodeReserveBalances(
        uint256 _balance0,
        uint256 _id0,
        uint256 _balance1,
        uint256 _id1
    ) private pure returns (uint256) {
        return encodeReserveBalance(_balance0, _id0) | encodeReserveBalance(_balance1, _id1);
    }

    function decodeReserveBalances(
        uint256 _balances,
        uint256 _id0,
        uint256 _id1
    ) private pure returns (uint256, uint256) {
        return (decodeReserveBalance(_balances, _id0), decodeReserveBalance(_balances, _id1));
    }

    function encodeAverageRateInfo(
        uint256 _averageRateT,
        uint256 _averageRateN,
        uint256 _averageRateD
    ) private pure returns (uint256) {
        assert(_averageRateT <= MAX_UINT32 && _averageRateN <= MAX_UINT112 && _averageRateD <= MAX_UINT112);
        return (_averageRateT << 224) | (_averageRateN << 112) | _averageRateD;
    }

    function decodeAverageRateT(uint256 _averageRateInfo) private pure returns (uint256) {
        return _averageRateInfo >> 224;
    }

    function decodeAverageRateN(uint256 _averageRateInfo) private pure returns (uint256) {
        return (_averageRateInfo >> 112) & MAX_UINT112;
    }

    function decodeAverageRateD(uint256 _averageRateInfo) private pure returns (uint256) {
        return _averageRateInfo & MAX_UINT112;
    }

    /**
     * @dev returns the largest integer smaller than or equal to the square root of a given value
     *
     * @param x the given value
     *
     * @return the largest integer smaller than or equal to the square root of the given value
     */
    function floorSqrt(uint256 x) private pure returns (uint256) {
        return x > 0 ? MathEx.floorSqrt(x) : 0;
    }

    function crossReserveTargetAmount(
        uint256 _sourceReserveBalance,
        uint256 _targetReserveBalance,
        uint256 _amount
    ) private pure returns (uint256) {
        // validate input
        require(_sourceReserveBalance > 0 && _targetReserveBalance > 0, "ERR_INVALID_RESERVE_BALANCE");

        return _targetReserveBalance.mul(_amount) / _sourceReserveBalance.add(_amount);
    }

    function crossReserveSourceAmount(
        uint256 _sourceReserveBalance,
        uint256 _targetReserveBalance,
        uint256 _amount
    ) private pure returns (uint256) {
        // validate input
        require(_sourceReserveBalance > 0, "ERR_INVALID_RESERVE_BALANCE");
        require(_amount < _targetReserveBalance, "ERR_INVALID_AMOUNT");

        if (_amount == 0) {
            return 0;
        }

        return (_sourceReserveBalance.mul(_amount) - 1) / (_targetReserveBalance - _amount) + 1;
    }

    function fundCost(
        uint256 _supply,
        uint256 _reserveBalance,
        uint256 _amount
    ) private pure returns (uint256) {
        // validate input
        require(_supply > 0, "ERR_INVALID_SUPPLY");
        require(_reserveBalance > 0, "ERR_INVALID_RESERVE_BALANCE");

        // special case for 0 amount
        if (_amount == 0) {
            return 0;
        }

        return (_amount.mul(_reserveBalance) - 1) / _supply + 1;
    }

    function fundSupplyAmount(
        uint256 _supply,
        uint256 _reserveBalance,
        uint256 _amount
    ) private pure returns (uint256) {
        // validate input
        require(_supply > 0, "ERR_INVALID_SUPPLY");
        require(_reserveBalance > 0, "ERR_INVALID_RESERVE_BALANCE");

        // special case for 0 amount
        if (_amount == 0) {
            return 0;
        }

        return _amount.mul(_supply) / _reserveBalance;
    }

    function liquidateReserveAmount(
        uint256 _supply,
        uint256 _reserveBalance,
        uint256 _amount
    ) private pure returns (uint256) {
        // validate input
        require(_supply > 0, "ERR_INVALID_SUPPLY");
        require(_reserveBalance > 0, "ERR_INVALID_RESERVE_BALANCE");
        require(_amount <= _supply, "ERR_INVALID_AMOUNT");

        // special case for 0 amount
        if (_amount == 0) {
            return 0;
        }

        // special case for liquidating the entire supply
        if (_amount == _supply) {
            return _reserveBalance;
        }

        return _amount.mul(_reserveBalance) / _supply;
    }

    /**
     * @dev returns the network wallet and fees
     *
     * @param reserveBalance0 1st reserve balance
     * @param reserveBalance1 2nd reserve balance
     *
     * @return the network wallet
     * @return the network fee on the 1st reserve
     * @return the network fee on the 2nd reserve
     */
    function networkWalletAndFees(uint256 reserveBalance0, uint256 reserveBalance1)
        private
        view
        returns (
            ITokenHolder,
            uint256,
            uint256
        )
    {
        uint256 prevPoint = floorSqrt(_reserveBalancesProduct);
        uint256 currPoint = floorSqrt(reserveBalance0 * reserveBalance1);

        if (prevPoint >= currPoint) {
            return (ITokenHolder(address(0)), 0, 0);
        }

        (ITokenHolder networkFeeWallet, uint32 networkFee) =
            INetworkSettings(addressOf(NETWORK_SETTINGS)).networkFeeParams();
        uint256 n = (currPoint - prevPoint) * networkFee;
        uint256 d = currPoint * PPM_RESOLUTION;
        return (networkFeeWallet, reserveBalance0.mul(n).div(d), reserveBalance1.mul(n).div(d));
    }

    /**
     * @dev transfers funds held by the contract and sends them to an account
     *
     * @param token ERC20 token contract address
     * @param to account to receive the new amount
     * @param amount amount to withdraw
     */
    function safeTransfer(
        IERC20 token,
        address to,
        uint256 amount
    ) private {
        if (amount == 0) {
            return;
        }

        if (token == NATIVE_TOKEN_ADDRESS) {
            payable(to).transfer(amount);
        } else {
            token.safeTransfer(to, amount);
        }
    }

    /**
     * @dev deprecated since version 28, backward compatibility - use only for earlier versions
     */
    function token() public view override returns (IConverterAnchor) {
        return anchor;
    }

    /**
     * @dev deprecated, backward compatibility
     */
    function transferTokenOwnership(address _newOwner) public override ownerOnly {
        transferAnchorOwnership(_newOwner);
    }

    /**
     * @dev deprecated, backward compatibility
     */
    function acceptTokenOwnership() public override ownerOnly {
        acceptAnchorOwnership();
    }

    /**
     * @dev deprecated, backward compatibility
     */
    function connectors(IERC20 _address)
        public
        view
        override
        returns (
            uint256,
            uint32,
            bool,
            bool,
            bool
        )
    {
        uint256 reserveId = __reserveIds[_address];
        if (reserveId != 0) {
            return (reserveBalance(reserveId), PPM_RESOLUTION / 2, false, false, true);
        }
        return (0, 0, false, false, false);
    }

    /**
     * @dev deprecated, backward compatibility
     */
    function connectorTokens(uint256 _index) public view override returns (IERC20) {
        return __reserveTokens[_index];
    }

    /**
     * @dev deprecated, backward compatibility
     */
    function connectorTokenCount() public view override returns (uint16) {
        return reserveTokenCount();
    }

    /**
     * @dev deprecated, backward compatibility
     */
    function getConnectorBalance(IERC20 _connectorToken) public view override returns (uint256) {
        return reserveBalance(_connectorToken);
    }

    /**
     * @dev deprecated, backward compatibility
     */
    function getReturn(
        IERC20 _sourceToken,
        IERC20 _targetToken,
        uint256 _amount
    ) public view returns (uint256, uint256) {
        return targetAmountAndFee(_sourceToken, _targetToken, _amount);
    }
}

• No Contract Security Audit Submitted- Submit Audit Here

[{"inputs":[{"internalType":"contract IConverterAnchor","name":"_anchor","type":"address"},{"internalType":"contract IContractRegistry","name":"_registry","type":"address"},{"internalType":"uint32","name":"_maxConversionFee","type":"uint32"}],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"uint16","name":"_type","type":"uint16"},{"indexed":true,"internalType":"contract IConverterAnchor","name":"_anchor","type":"address"},{"indexed":true,"internalType":"bool","name":"_activated","type":"bool"}],"name":"Activation","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"contract IERC20","name":"_fromToken","type":"address"},{"indexed":true,"internalType":"contract IERC20","name":"_toToken","type":"address"},{"indexed":true,"internalType":"address","name":"_trader","type":"address"},{"indexed":false,"internalType":"uint256","name":"_amount","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"_return","type":"uint256"},{"indexed":false,"internalType":"int256","name":"_conversionFee","type":"int256"}],"name":"Conversion","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint32","name":"_prevFee","type":"uint32"},{"indexed":false,"internalType":"uint32","name":"_newFee","type":"uint32"}],"name":"ConversionFeeUpdate","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"_provider","type":"address"},{"indexed":true,"internalType":"contract IERC20","name":"_reserveToken","type":"address"},{"indexed":false,"internalType":"uint256","name":"_amount","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"_newBalance","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"_newSupply","type":"uint256"}],"name":"LiquidityAdded","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"_provider","type":"address"},{"indexed":true,"internalType":"contract IERC20","name":"_reserveToken","type":"address"},{"indexed":false,"internalType":"uint256","name":"_amount","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"_newBalance","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"_newSupply","type":"uint256"}],"name":"LiquidityRemoved","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"_prevOwner","type":"address"},{"indexed":true,"internalType":"address","name":"_newOwner","type":"address"}],"name":"OwnerUpdate","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"contract IERC20","name":"_token1","type":"address"},{"indexed":true,"internalType":"contract IERC20","name":"_token2","type":"address"},{"indexed":false,"internalType":"uint256","name":"_rateN","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"_rateD","type":"uint256"}],"name":"TokenRateUpdate","type":"event"},{"inputs":[],"name":"acceptAnchorOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"acceptOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"acceptTokenOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"contract IERC20[]","name":"_reserveTokens","type":"address[]"},{"internalType":"uint256[]","name":"_reserveAmounts","type":"uint256[]"},{"internalType":"uint256","name":"_minReturn","type":"uint256"}],"name":"addLiquidity","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"contract IERC20[]","name":"_reserveTokens","type":"address[]"},{"internalType":"uint256","name":"_reserveTokenIndex","type":"uint256"},{"internalType":"uint256","name":"_reserveAmount","type":"uint256"}],"name":"addLiquidityCost","outputs":[{"internalType":"uint256[]","name":"","type":"uint256[]"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"contract IERC20[]","name":"_reserveTokens","type":"address[]"},{"internalType":"uint256[]","name":"_reserveAmounts","type":"uint256[]"}],"name":"addLiquidityReturn","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"contract IERC20","name":"_token","type":"address"},{"internalType":"uint32","name":"_weight","type":"uint32"}],"name":"addReserve","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"anchor","outputs":[{"internalType":"contract IConverterAnchor","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"averageRateInfo","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"connectorTokenCount","outputs":[{"internalType":"uint16","name":"","type":"uint16"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"_index","type":"uint256"}],"name":"connectorTokens","outputs":[{"internalType":"contract IERC20","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"contract IERC20","name":"_address","type":"address"}],"name":"connectors","outputs":[{"internalType":"uint256","name":"","type":"uint256"},{"internalType":"uint32","name":"","type":"uint32"},{"internalType":"bool","name":"","type":"bool"},{"internalType":"bool","name":"","type":"bool"},{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"conversionFee","outputs":[{"internalType":"uint32","name":"","type":"uint32"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"contract IERC20","name":"_sourceToken","type":"address"},{"internalType":"contract IERC20","name":"_targetToken","type":"address"},{"internalType":"uint256","name":"_amount","type":"uint256"},{"internalType":"address","name":"_trader","type":"address"},{"internalType":"address payable","name":"_beneficiary","type":"address"}],"name":"convert","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"payable","type":"function"},{"inputs":[],"name":"converterType","outputs":[{"internalType":"uint16","name":"","type":"uint16"}],"stateMutability":"pure","type":"function"},{"inputs":[{"internalType":"contract IERC20","name":"_connectorToken","type":"address"}],"name":"getConnectorBalance","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"contract IERC20","name":"_sourceToken","type":"address"},{"internalType":"contract IERC20","name":"_targetToken","type":"address"},{"internalType":"uint256","name":"_amount","type":"uint256"}],"name":"getReturn","outputs":[{"internalType":"uint256","name":"","type":"uint256"},{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"isActive","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"isV28OrHigher","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"pure","type":"function"},{"inputs":[],"name":"maxConversionFee","outputs":[{"internalType":"uint32","name":"","type":"uint32"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"newOwner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"onUpgradeComplete","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"onlyOwnerCanUpdateRegistry","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"prevRegistry","outputs":[{"internalType":"contract IContractRegistry","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"processNetworkFees","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"contract IERC20","name":"_token","type":"address"}],"name":"recentAverageRate","outputs":[{"internalType":"uint256","name":"","type":"uint256"},{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"registry","outputs":[{"internalType":"contract IContractRegistry","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"_amount","type":"uint256"},{"internalType":"contract IERC20[]","name":"_reserveTokens","type":"address[]"},{"internalType":"uint256[]","name":"_reserveMinReturnAmounts","type":"uint256[]"}],"name":"removeLiquidity","outputs":[{"internalType":"uint256[]","name":"","type":"uint256[]"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_amount","type":"uint256"},{"internalType":"contract IERC20[]","name":"_reserveTokens","type":"address[]"}],"name":"removeLiquidityReturn","outputs":[{"internalType":"uint256[]","name":"","type":"uint256[]"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"contract IERC20","name":"_reserveToken","type":"address"}],"name":"reserveBalance","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"reserveBalances","outputs":[{"internalType":"uint256","name":"","type":"uint256"},{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"reserveTokenCount","outputs":[{"internalType":"uint16","name":"","type":"uint16"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"reserveTokens","outputs":[{"internalType":"contract IERC20[]","name":"","type":"address[]"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"contract IERC20","name":"_reserveToken","type":"address"}],"name":"reserveWeight","outputs":[{"internalType":"uint32","name":"","type":"uint32"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"restoreRegistry","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bool","name":"_onlyOwnerCanUpdateRegistry","type":"bool"}],"name":"restrictRegistryUpdate","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint32","name":"_conversionFee","type":"uint32"}],"name":"setConversionFee","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"contract IERC20","name":"_sourceToken","type":"address"},{"internalType":"contract IERC20","name":"_targetToken","type":"address"},{"internalType":"uint256","name":"_amount","type":"uint256"}],"name":"sourceAmountAndFee","outputs":[{"internalType":"uint256","name":"","type":"uint256"},{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"syncReserveBalances","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"contract IERC20","name":"_sourceToken","type":"address"},{"internalType":"contract IERC20","name":"_targetToken","type":"address"},{"internalType":"uint256","name":"_amount","type":"uint256"}],"name":"targetAmountAndFee","outputs":[{"internalType":"uint256","name":"","type":"uint256"},{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"token","outputs":[{"internalType":"contract IConverterAnchor","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_newOwner","type":"address"}],"name":"transferAnchorOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_newConverter","type":"address"}],"name":"transferReservesOnUpgrade","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_newOwner","type":"address"}],"name":"transferTokenOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"updateRegistry","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"upgrade","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"version","outputs":[{"internalType":"uint16","name":"","type":"uint16"}],"stateMutability":"view","type":"function"},{"stateMutability":"payable","type":"receive"}]

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