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GenericMage/Contracts...MFP-Router_flattened.sol

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Contracts...MFP-Router_flattened.sol
// File: Contracts/imports/Context.sol
// OpenZeppelin Contracts v4.4.1 (utils/Context.sol)
pragma solidity ^0.8.0;
/**
* @dev Provides information about the current execution context, including the
* sender of the transaction and its data. While these are generally available
* via msg.sender and msg.data, they should not be accessed in such a direct
* manner, since when dealing with meta-transactions the account sending and
* paying for execution may not be the actual sender (as far as an application
* is concerned).
*
* This contract is only required for intermediate, library-like contracts.
*/
abstract contract Context {
function _msgSender() internal view virtual returns (address) {
return msg.sender;
}
function _msgData() internal view virtual returns (bytes calldata) {
return msg.data;
}
}
// File: Contracts/imports/Ownable.sol
// OpenZeppelin Contracts (last updated v4.9.0) (access/Ownable.sol)
pragma solidity ^0.8.0;
/**
* @dev Contract module which provides a basic access control mechanism, where
* there is an account (an owner) that can be granted exclusive access to
* specific functions.
*
* By default, the owner account will be the one that deploys the contract. This
* can later be changed with {transferOwnership}.
*
* This module is used through inheritance. It will make available the modifier
* `onlyOwner`, which can be applied to your functions to restrict their use to
* the owner.
*/
abstract contract Ownable is Context {
address private _owner;
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
/**
* @dev Initializes the contract setting the deployer as the initial owner.
*/
constructor() {
_transferOwnership(_msgSender());
}
/**
* @dev Throws if called by any account other than the owner.
*/
modifier onlyOwner() {
_checkOwner();
_;
}
/**
* @dev Returns the address of the current owner.
*/
function owner() public view virtual returns (address) {
return _owner;
}
/**
* @dev Throws if the sender is not the owner.
*/
function _checkOwner() internal view virtual {
require(owner() == _msgSender(), "Ownable: caller is not the owner");
}
/**
* @dev Leaves the contract without owner. It will not be possible to call
* `onlyOwner` functions. Can only be called by the current owner.
*
* NOTE: Renouncing ownership will leave the contract without an owner,
* thereby disabling any functionality that is only available to the owner.
*/
function renounceOwnership() public virtual onlyOwner {
_transferOwnership(address(0));
}
/**
* @dev Transfers ownership of the contract to a new account (`newOwner`).
* Can only be called by the current owner.
*/
function transferOwnership(address newOwner) public virtual onlyOwner {
require(newOwner != address(0), "Ownable: new owner is the zero address");
_transferOwnership(newOwner);
}
/**
* @dev Transfers ownership of the contract to a new account (`newOwner`).
* Internal function without access restriction.
*/
function _transferOwnership(address newOwner) internal virtual {
address oldOwner = _owner;
_owner = newOwner;
emit OwnershipTransferred(oldOwner, newOwner);
}
}
// File: Contracts/imports/IERC20.sol
pragma solidity ^0.8.1;
interface IERC20 {
function decimals() external view returns (uint8);
function transfer(address to, uint256 amount) external returns (bool);
function transferFrom(address from, address to, uint256 amount) external returns (bool);
function approve(address spender, uint256 amount) external returns (bool);
function allowance(address owner, address spender) external view returns (uint256);
function balanceOf(address account) external view returns (uint256);
}
// File: Contracts/imports/IERC20Permit.sol
// OpenZeppelin Contracts (last updated v4.9.0) (token/ERC20/extensions/IERC20Permit.sol)
pragma solidity ^0.8.0;
/**
* @dev Interface of the ERC20 Permit extension allowing approvals to be made via signatures, as defined in
* https://eips.ethereum.org/EIPS/eip-2612[EIP-2612].
*
* Adds the {permit} method, which can be used to change an account's ERC20 allowance (see {IERC20-allowance}) by
* presenting a message signed by the account. By not relying on {IERC20-approve}, the token holder account doesn't
* need to send a transaction, and thus is not required to hold Ether at all.
*/
interface IERC20Permit {
/**
* @dev Sets `value` as the allowance of `spender` over ``owner``'s tokens,
* given ``owner``'s signed approval.
*
* IMPORTANT: The same issues {IERC20-approve} has related to transaction
* ordering also apply here.
*
* Emits an {Approval} event.
*
* Requirements:
*
* - `spender` cannot be the zero address.
* - `deadline` must be a timestamp in the future.
* - `v`, `r` and `s` must be a valid `secp256k1` signature from `owner`
* over the EIP712-formatted function arguments.
* - the signature must use ``owner``'s current nonce (see {nonces}).
*
* For more information on the signature format, see the
* https://eips.ethereum.org/EIPS/eip-2612#specification[relevant EIP
* section].
*/
function permit(
address owner,
address spender,
uint256 value,
uint256 deadline,
uint8 v,
bytes32 r,
bytes32 s
) external;
/**
* @dev Returns the current nonce for `owner`. This value must be
* included whenever a signature is generated for {permit}.
*
* Every successful call to {permit} increases ``owner``'s nonce by one. This
* prevents a signature from being used multiple times.
*/
function nonces(address owner) external view returns (uint256);
/**
* @dev Returns the domain separator used in the encoding of the signature for {permit}, as defined by {EIP712}.
*/
// solhint-disable-next-line func-name-mixedcase
function DOMAIN_SEPARATOR() external view returns (bytes32);
}
// File: Contracts/imports/Address.sol
// OpenZeppelin Contracts (last updated v4.9.0) (utils/Address.sol)
pragma solidity ^0.8.1;
/**
* @dev Collection of functions related to the address type
*/
library Address {
/**
* @dev Returns true if `account` is a contract.
*
* [IMPORTANT]
* ====
* It is unsafe to assume that an address for which this function returns
* false is an externally-owned account (EOA) and not a contract.
*
* Among others, `isContract` will return false for the following
* types of addresses:
*
* - an externally-owned account
* - a contract in construction
* - an address where a contract will be created
* - an address where a contract lived, but was destroyed
*
* Furthermore, `isContract` will also return true if the target contract within
* the same transaction is already scheduled for destruction by `SELFDESTRUCT`,
* which only has an effect at the end of a transaction.
* ====
*
* [IMPORTANT]
* ====
* You shouldn't rely on `isContract` to protect against flash loan attacks!
*
* Preventing calls from contracts is highly discouraged. It breaks composability, breaks support for smart wallets
* like Gnosis Safe, and does not provide security since it can be circumvented by calling from a contract
* constructor.
* ====
*/
function isContract(address account) internal view returns (bool) {
// This method relies on extcodesize/address.code.length, which returns 0
// for contracts in construction, since the code is only stored at the end
// of the constructor execution.
return account.code.length > 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://consensys.net/diligence/blog/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/v0.8.0/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].
*/
function sendValue(address payable recipient, uint256 amount) internal {
require(address(this).balance >= amount, "Address: insufficient balance");
(bool success, ) = recipient.call{value: amount}("");
require(success, "Address: unable to send value, recipient may have reverted");
}
/**
* @dev Performs a Solidity function call using a low level `call`. A
* plain `call` is an unsafe replacement for a function call: use this
* function instead.
*
* If `target` reverts with a revert reason, it is bubbled up by this
* function (like regular Solidity function calls).
*
* Returns the raw returned data. To convert to the expected return value,
* use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].
*
* Requirements:
*
* - `target` must be a contract.
* - calling `target` with `data` must not revert.
*
* _Available since v3.1._
*/
function functionCall(address target, bytes memory data) internal returns (bytes memory) {
return functionCallWithValue(target, data, 0, "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");
(bool success, bytes memory returndata) = target.call{value: value}(data);
return verifyCallResultFromTarget(target, 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) {
(bool success, bytes memory returndata) = target.staticcall(data);
return verifyCallResultFromTarget(target, 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) {
(bool success, bytes memory returndata) = target.delegatecall(data);
return verifyCallResultFromTarget(target, success, returndata, errorMessage);
}
/**
* @dev Tool to verify that a low level call to smart-contract was successful, and revert (either by bubbling
* the revert reason or using the provided one) in case of unsuccessful call or if target was not a contract.
*
* _Available since v4.8._
*/
function verifyCallResultFromTarget(
address target,
bool success,
bytes memory returndata,
string memory errorMessage
) internal view returns (bytes memory) {
if (success) {
if (returndata.length == 0) {
// only check isContract if the call was successful and the return data is empty
// otherwise we already know that it was a contract
require(isContract(target), "Address: call to non-contract");
}
return returndata;
} else {
_revert(returndata, errorMessage);
}
}
/**
* @dev Tool to verify that a low level call was successful, and revert if it wasn't, either by bubbling the
* revert reason or using the provided one.
*
* _Available since v4.3._
*/
function verifyCallResult(
bool success,
bytes memory returndata,
string memory errorMessage
) internal pure returns (bytes memory) {
if (success) {
return returndata;
} else {
_revert(returndata, errorMessage);
}
}
function _revert(bytes memory returndata, string memory errorMessage) private pure {
// 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
/// @solidity memory-safe-assembly
assembly {
let returndata_size := mload(returndata)
revert(add(32, returndata), returndata_size)
}
} else {
revert(errorMessage);
}
}
}
// File: Contracts/imports/SafeERC20.sol
// OpenZeppelin Contracts (last updated v4.9.0) (token/ERC20/utils/SafeERC20.sol)
pragma solidity ^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 Address for address;
/**
* @dev Transfer `value` amount of `token` from the calling contract to `to`. If `token` returns no value,
* non-reverting calls are assumed to be successful.
*/
function safeTransfer(IERC20 token, address to, uint256 value) internal {
_callOptionalReturn(token, abi.encodeWithSelector(token.transfer.selector, to, value));
}
/**
* @dev Transfer `value` amount of `token` from `from` to `to`, spending the approval given by `from` to the
* calling contract. If `token` returns no value, non-reverting calls are assumed to be successful.
*/
function safeTransferFrom(IERC20 token, address from, address to, uint256 value) internal {
_callOptionalReturn(token, abi.encodeWithSelector(token.transferFrom.selector, from, to, value));
}
/**
* @dev Deprecated. This function has issues similar to the ones found in
* {IERC20-approve}, and its usage is discouraged.
*
* Whenever possible, use {safeIncreaseAllowance} and
* {safeDecreaseAllowance} instead.
*/
function safeApprove(IERC20 token, address spender, uint256 value) internal {
// safeApprove should only be called when setting an initial allowance,
// or when resetting it to zero. To increase and decrease it, use
// 'safeIncreaseAllowance' and 'safeDecreaseAllowance'
require(
(value == 0) || (token.allowance(address(this), spender) == 0),
"SafeERC20: approve from non-zero to non-zero allowance"
);
_callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, value));
}
/**
* @dev Increase the calling contract's allowance toward `spender` by `value`. If `token` returns no value,
* non-reverting calls are assumed to be successful.
*/
function safeIncreaseAllowance(IERC20 token, address spender, uint256 value) internal {
uint256 oldAllowance = token.allowance(address(this), spender);
_callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, oldAllowance + value));
}
/**
* @dev Decrease the calling contract's allowance toward `spender` by `value`. If `token` returns no value,
* non-reverting calls are assumed to be successful.
*/
function safeDecreaseAllowance(IERC20 token, address spender, uint256 value) internal {
unchecked {
uint256 oldAllowance = token.allowance(address(this), spender);
require(oldAllowance >= value, "SafeERC20: decreased allowance below zero");
_callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, oldAllowance - value));
}
}
/**
* @dev Set the calling contract's allowance toward `spender` to `value`. If `token` returns no value,
* non-reverting calls are assumed to be successful. Compatible with tokens that require the approval to be set to
* 0 before setting it to a non-zero value.
*/
function forceApprove(IERC20 token, address spender, uint256 value) internal {
bytes memory approvalCall = abi.encodeWithSelector(token.approve.selector, spender, value);
if (!_callOptionalReturnBool(token, approvalCall)) {
_callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, 0));
_callOptionalReturn(token, approvalCall);
}
}
/**
* @dev Use a ERC-2612 signature to set the `owner` approval toward `spender` on `token`.
* Revert on invalid signature.
*/
function safePermit(
IERC20Permit token,
address owner,
address spender,
uint256 value,
uint256 deadline,
uint8 v,
bytes32 r,
bytes32 s
) internal {
uint256 nonceBefore = token.nonces(owner);
token.permit(owner, spender, value, deadline, v, r, s);
uint256 nonceAfter = token.nonces(owner);
require(nonceAfter == nonceBefore + 1, "SafeERC20: permit did not succeed");
}
/**
* @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");
require(returndata.length == 0 || abi.decode(returndata, (bool)), "SafeERC20: ERC20 operation did not succeed");
}
/**
* @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).
*
* This is a variant of {_callOptionalReturn} that silents catches all reverts and returns a bool instead.
*/
function _callOptionalReturnBool(IERC20 token, bytes memory data) private returns (bool) {
// 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 cannot use {Address-functionCall} here since this should return false
// and not revert is the subcall reverts.
(bool success, bytes memory returndata) = address(token).call(data);
return
success && (returndata.length == 0 || abi.decode(returndata, (bool))) && Address.isContract(address(token));
}
}
// File: Contracts/imports/ReentrancyGuard.sol
// OpenZeppelin Contracts (last updated v4.9.0) (security/ReentrancyGuard.sol)
pragma solidity ^0.8.0;
/**
* @dev Contract module that helps prevent reentrant calls to a function.
*
* Inheriting from `ReentrancyGuard` will make the {nonReentrant} modifier
* available, which can be applied to functions to make sure there are no nested
* (reentrant) calls to them.
*
* Note that because there is a single `nonReentrant` guard, functions marked as
* `nonReentrant` may not call one another. This can be worked around by making
* those functions `private`, and then adding `external` `nonReentrant` entry
* points to them.
*
* TIP: If you would like to learn more about reentrancy and alternative ways
* to protect against it, check out our blog post
* https://blog.openzeppelin.com/reentrancy-after-istanbul/[Reentrancy After Istanbul].
*/
abstract contract ReentrancyGuard {
// Booleans are more expensive than uint256 or any type that takes up a full
// word because each write operation emits an extra SLOAD to first read the
// slot's contents, replace the bits taken up by the boolean, and then write
// back. This is the compiler's defense against contract upgrades and
// pointer aliasing, and it cannot be disabled.
// The values being non-zero value makes deployment a bit more expensive,
// but in exchange the refund on every call to nonReentrant will be lower in
// amount. Since refunds are capped to a percentage of the total
// transaction's gas, it is best to keep them low in cases like this one, to
// increase the likelihood of the full refund coming into effect.
uint256 private constant _NOT_ENTERED = 1;
uint256 private constant _ENTERED = 2;
uint256 private _status;
constructor() {
_status = _NOT_ENTERED;
}
/**
* @dev Prevents a contract from calling itself, directly or indirectly.
* Calling a `nonReentrant` function from another `nonReentrant`
* function is not supported. It is possible to prevent this from happening
* by making the `nonReentrant` function external, and making it call a
* `private` function that does the actual work.
*/
modifier nonReentrant() {
_nonReentrantBefore();
_;
_nonReentrantAfter();
}
function _nonReentrantBefore() private {
// On the first call to nonReentrant, _status will be _NOT_ENTERED
require(_status != _ENTERED, "ReentrancyGuard: reentrant call");
// Any calls to nonReentrant after this point will fail
_status = _ENTERED;
}
function _nonReentrantAfter() private {
// By storing the original value once again, a refund is triggered (see
// https://eips.ethereum.org/EIPS/eip-2200)
_status = _NOT_ENTERED;
}
/**
* @dev Returns true if the reentrancy guard is currently set to "entered", which indicates there is a
* `nonReentrant` function in the call stack.
*/
function _reentrancyGuardEntered() internal view returns (bool) {
return _status == _ENTERED;
}
}
// File: Contracts/MFP-Router.sol
pragma solidity ^0.8.1;
// Version: 0.0.6
struct ListingValidation {
address listingAddress;
uint256 index;
}
interface IMFP {
function isValidListing(address listingAddress) external view returns (bool);
function getListingId(address listingAddress) external view returns (uint256);
function listingValidationByIndex(uint256 listingId) external view returns (ListingValidation memory);
function writeValidationSlot(
uint256 listingId,
address listingAddress,
address tokenA,
address tokenB,
uint256 xBalance,
uint256 yBalance,
uint256 xLiquid,
uint256 yLiquid
) external;
}
interface IMFPListing {
struct UpdateType {
uint8 updateType; // 0 = balance, 1 = buy order, 2 = sell order
uint256 index; // orderId or slot index
uint256 value; // principal or amount (normalized)
address addr; // makerAddress
address recipient;// recipientAddress
uint256 maxPrice; // for buy orders
uint256 minPrice; // for sell orders
}
function tokenA() external view returns (address);
function tokenB() external view returns (address);
function liquidityAddresses(uint256 listingId) external view returns (address);
function volumeBalances(uint256 listingId) external view returns (uint256 xBalance, uint256 yBalance, uint256 xVolume, uint256 yVolume);
function prices(uint256 listingId) external view returns (uint256);
function buyOrders(uint256 orderId) external view returns (
address makerAddress,
address recipientAddress,
uint256 maxPrice,
uint256 minPrice,
uint256 pending,
uint256 filled,
uint256 timestamp,
uint256 blockNumber,
uint8 status
);
function sellOrders(uint256 orderId) external view returns (
address makerAddress,
address recipientAddress,
uint256 maxPrice,
uint256 minPrice,
uint256 pending,
uint256 filled,
uint256 timestamp,
uint256 blockNumber,
uint8 status
);
function pendingBuyOrders(uint256 listingId) external view returns (uint256[] memory);
function pendingSellOrders(uint256 listingId) external view returns (uint256[] memory);
function makerPendingOrders(address maker) external view returns (uint256[] memory);
function update(uint256 listingId, UpdateType[] memory updates) external;
function transact(uint256 listingId, address token, uint256 amount, address recipient) external;
}
interface IMFPLiquidity {
struct UpdateType {
uint8 updateType; // 0 = balance, 1 = fees, 2 = xSlot, 3 = ySlot
uint256 index; // 0 = xFees/xLiquid, 1 = yFees/yLiquid, or slot index
uint256 value; // amount or allocation (normalized)
address addr; // depositor
address recipient;// not used
}
function liquidityDetails(uint256 listingId) external view returns (
uint256 xLiquid,
uint256 yLiquid,
uint256 xFees,
uint256 yFees
);
function xLiquiditySlots(uint256 listingId, uint256 index) external view returns (
address depositor,
address recipient,
uint256 xAllocation,
uint256 dVolume,
uint256 timestamp
);
function yLiquiditySlots(uint256 listingId, uint256 index) external view returns (
address depositor,
address recipient,
uint256 yAllocation,
uint256 dVolume,
uint256 timestamp
);
function update(uint256 listingId, UpdateType[] memory updates) external;
function transact(uint256 listingId, address token, uint256 amount, address recipient) external;
function deposit(uint256 listingId, address token, uint256 amount) external payable;
function addFees(uint256 listingId, bool isX, uint256 fee) external;
function updateLiquidity(uint256 listingId, bool isX, uint256 amount) external;
function claimFees(uint256 listingId, uint256 liquidityIndex, bool isX, uint256 volume) external; // Added
}
contract MFPRouter is Ownable, ReentrancyGuard {
using SafeERC20 for IERC20;
address public listingAgent;
struct SellOrderDetails {
address recipient;
uint256 amount; // raw amount
uint256 maxPrice; // TokenA/TokenB, 18 decimals
uint256 minPrice; // TokenA/TokenB, 18 decimals
}
struct BuyOrderDetails {
address recipient;
uint256 amount; // raw amount
uint256 maxPrice; // TokenA/TokenB, 18 decimals
uint256 minPrice; // TokenA/TokenB, 18 decimals
}
event OrderCreated(uint256 orderId, bool isBuy, address maker);
event OrderCancelled(uint256 orderId);
constructor() {
_transferOwnership(msg.sender);
}
function setAgent(address _agent) external onlyOwner {
listingAgent = _agent;
}
function normalize(uint256 amount, uint8 decimals) internal pure returns (uint256) {
if (decimals == 18) return amount;
else if (decimals < 18) return amount * 10**(18 - decimals);
else return amount / 10**(decimals - 18);
}
function denormalize(uint256 amount, uint8 decimals) internal pure returns (uint256) {
if (decimals == 18) return amount;
else if (decimals < 18) return amount / 10**(18 - decimals);
else return amount * 10**(decimals - 18);
}
function _transferToken(address token, address target, uint256 amount) internal returns (uint256) {
uint256 preBalance = token == address(0) ? target.balance : IERC20(token).balanceOf(target);
if (token == address(0)) {
require(msg.value == amount, "Incorrect ETH amount");
(bool success, ) = target.call{value: amount}("");
require(success, "ETH transfer failed");
} else {
IERC20(token).safeTransferFrom(msg.sender, target, amount);
}
uint256 postBalance = token == address(0) ? target.balance : IERC20(token).balanceOf(target);
return postBalance - preBalance;
}
function _normalizeAndFee(address token, uint256 amount) internal view returns (uint256 normalized, uint256 fee, uint256 principal) {
uint8 decimals = token == address(0) ? 18 : IERC20(token).decimals();
normalized = normalize(amount, decimals);
fee = (normalized * 5) / 10000;
principal = normalized - fee;
}
function _createOrderUpdate(
uint8 updateType, // 1 for buy, 2 for sell
uint256 orderId,
uint256 principal,
address maker,
address recipient,
uint256 maxPrice,
uint256 minPrice,
uint256 volumeIndex, // 0 for xVolume, 1 for yVolume
uint256 normalizedAmount
) internal pure returns (IMFPListing.UpdateType[] memory) {
IMFPListing.UpdateType[] memory updates = new IMFPListing.UpdateType[](2);
updates[0] = IMFPListing.UpdateType(updateType, orderId, principal, maker, recipient, maxPrice, minPrice);
updates[1] = IMFPListing.UpdateType(0, volumeIndex, normalizedAmount, address(0), address(0), 0, 0);
return updates;
}
function _prepareOrder(
address listingAddress,
uint256 listingId,
address token,
uint256 amount,
uint8 updateType,
address recipient,
uint256 maxPrice,
uint256 minPrice,
uint256 volumeIndex
) internal returns (uint256 orderId, IMFPListing.UpdateType[] memory updates, uint256 fee) {
uint256 receivedAmount = _transferToken(token, listingAddress, amount);
(uint256 normalizedAmount, uint256 fee_, uint256 principal) = _normalizeAndFee(token, receivedAmount);
orderId = uint256(keccak256(abi.encodePacked(msg.sender, block.timestamp, amount)));
updates = _createOrderUpdate(updateType, orderId, principal, msg.sender, recipient, maxPrice, minPrice, volumeIndex, normalizedAmount);
return (orderId, updates, fee_);
}
function createBuyOrder(address listingAddress, BuyOrderDetails memory details) external payable nonReentrant {
require(listingAgent != address(0), "Agent not set");
require(IMFP(listingAgent).isValidListing(listingAddress), "Invalid listing");
uint256 listingId = IMFP(listingAgent).getListingId(listingAddress);
IMFPListing listing = IMFPListing(listingAddress);
address tokenA = listing.tokenA();
(uint256 orderId, IMFPListing.UpdateType[] memory updates, uint256 fee) = _prepareOrder(listingAddress, listingId, tokenA, details.amount, 1, details.recipient, details.maxPrice, details.minPrice, 0);
listing.update(listingId, updates);
IMFPLiquidity liquidity = IMFPLiquidity(listing.liquidityAddresses(listingId));
liquidity.addFees(listingId, true, fee);
emit OrderCreated(orderId, true, msg.sender);
}
function createSellOrder(address listingAddress, SellOrderDetails memory details) external payable nonReentrant {
require(listingAgent != address(0), "Agent not set");
require(IMFP(listingAgent).isValidListing(listingAddress), "Invalid listing");
uint256 listingId = IMFP(listingAgent).getListingId(listingAddress);
IMFPListing listing = IMFPListing(listingAddress);
address tokenB = listing.tokenB();
(uint256 orderId, IMFPListing.UpdateType[] memory updates, uint256 fee) = _prepareOrder(listingAddress, listingId, tokenB, details.amount, 2, details.recipient, details.maxPrice, details.minPrice, 1);
listing.update(listingId, updates);
IMFPLiquidity liquidity = IMFPLiquidity(listing.liquidityAddresses(listingId));
liquidity.addFees(listingId, false, fee);
emit OrderCreated(orderId, false, msg.sender);
}
function clearSingleOrder(address listingAddress, uint256 orderId, bool isBuy) external nonReentrant {
require(IMFP(listingAgent).isValidListing(listingAddress), "Invalid listing");
uint256 listingId = IMFP(listingAgent).getListingId(listingAddress);
IMFPListing listing = IMFPListing(listingAddress);
address refundTo;
uint256 refundAmount;
address token;
if (isBuy) {
(address maker, address recipient, , , uint256 pending, , , , uint8 status) = listing.buyOrders(orderId);
require(status == 1 || status == 2, "Order not active");
refundTo = recipient != address(0) ? recipient : maker;
refundAmount = pending;
token = listing.tokenA();
} else {
(address maker, address recipient, , , uint256 pending, , , , uint8 status) = listing.sellOrders(orderId);
require(status == 1 || status == 2, "Order not active");
refundTo = recipient != address(0) ? recipient : maker;
refundAmount = pending;
token = listing.tokenB();
}
if (refundAmount > 0) {
listing.transact(listingId, token, refundAmount, refundTo);
}
IMFPListing.UpdateType[] memory updates = _createOrderUpdate(isBuy ? 1 : 2, orderId, 0, address(0), address(0), 0, 0, 0, 0);
listing.update(listingId, updates);
}
function clearOrders(address listingAddress) external nonReentrant {
require(IMFP(listingAgent).isValidListing(listingAddress), "Invalid listing");
uint256 listingId = IMFP(listingAgent).getListingId(listingAddress);
IMFPListing listing = IMFPListing(listingAddress);
uint256[] memory buyOrders = listing.pendingBuyOrders(listingId);
uint256[] memory sellOrders = listing.pendingSellOrders(listingId);
uint256 totalOrders = buyOrders.length + sellOrders.length;
if (totalOrders == 0) return;
IMFPListing.UpdateType[] memory updates = new IMFPListing.UpdateType[](totalOrders);
uint256 updateCount = 0;
for (uint256 i = 0; i < buyOrders.length; i++) {
(address maker, address recipient, , , uint256 pending, , , , uint8 status) = listing.buyOrders(buyOrders[i]);
if (status == 1 || status == 2) {
address refundTo = recipient != address(0) ? recipient : maker;
if (pending > 0) {
listing.transact(listingId, listing.tokenA(), pending, refundTo);
}
updates[updateCount] = _createOrderUpdate(1, buyOrders[i], 0, address(0), address(0), 0, 0, 0, 0)[0];
updateCount++;
}
}
for (uint256 i = 0; i < sellOrders.length; i++) {
(address maker, address recipient, , , uint256 pending, , , , uint8 status) = listing.sellOrders(sellOrders[i]);
if (status == 1 || status == 2) {
address refundTo = recipient != address(0) ? recipient : maker;
if (pending > 0) {
listing.transact(listingId, listing.tokenB(), pending, refundTo);
}
updates[updateCount] = _createOrderUpdate(2, sellOrders[i], 0, address(0), address(0), 0, 0, 0, 0)[0];
updateCount++;
}
}
if (updateCount > 0) {
assembly { mstore(updates, updateCount) }
listing.update(listingId, updates);
}
}
function settleBuyOrders(address listingAddress) external nonReentrant {
require(IMFP(listingAgent).isValidListing(listingAddress), "Invalid listing");
uint256 listingId = IMFP(listingAgent).getListingId(listingAddress);
IMFPListing listing = IMFPListing(listingAddress);
uint256[] memory pendingOrders = listing.pendingBuyOrders(listingId);
(uint256 xBalance, uint256 yBalance, , ) = listing.volumeBalances(listingId);
IMFPListing.UpdateType[] memory updates = new IMFPListing.UpdateType[](pendingOrders.length < 100 ? pendingOrders.length : 100);
uint256 updateCount = 0;
uint256 currentPrice = listing.prices(listingId);
for (uint256 i = 0; i < pendingOrders.length && i < 100; i++) {
(, address recipient, uint256 maxPrice, , uint256 pending, , , , uint8 status) = listing.buyOrders(pendingOrders[i]);
if (status == 1 && pending > 0) {
uint256 available = yBalance > pending ? pending : yBalance;
if (currentPrice <= maxPrice && available > 0) {
updates[updateCount] = _createOrderUpdate(1, pendingOrders[i], available, recipient, address(0), 0, 0, 0, 0)[0];
yBalance -= available;
updateCount++;
}
}
}
if (updateCount > 0) {
assembly { mstore(updates, updateCount) }
updates[updateCount] = _createOrderUpdate(0, 2, currentPrice, address(0), address(0), 0, 0, 0, 0)[0]; // Historical price
updateCount++;
assembly { mstore(updates, updateCount) }
listing.update(listingId, updates);
uint8 decimals = listing.tokenB() == address(0) ? 18 : IERC20(listing.tokenB()).decimals();
for (uint256 i = 0; i < updateCount - 1; i++) {
listing.transact(listingId, listing.tokenB(), denormalize(updates[i].value, decimals), updates[i].addr);
}
}
}
function settleSellOrders(address listingAddress) external nonReentrant {
require(IMFP(listingAgent).isValidListing(listingAddress), "Invalid listing");
uint256 listingId = IMFP(listingAgent).getListingId(listingAddress);
IMFPListing listing = IMFPListing(listingAddress);
uint256[] memory pendingOrders = listing.pendingSellOrders(listingId);
(uint256 xBalance, uint256 yBalance, , ) = listing.volumeBalances(listingId);
IMFPListing.UpdateType[] memory updates = new IMFPListing.UpdateType[](pendingOrders.length < 100 ? pendingOrders.length : 100);
uint256 updateCount = 0;
uint256 currentPrice = listing.prices(listingId);
for (uint256 i = 0; i < pendingOrders.length && i < 100; i++) {
(, address recipient, uint256 maxPrice, uint256 minPrice, uint256 pending, , , , uint8 status) = listing.sellOrders(pendingOrders[i]);
if (status == 1 && pending > 0) {
uint256 available = xBalance > pending ? pending : xBalance;
if (currentPrice >= minPrice && currentPrice <= maxPrice && available > 0) {
updates[updateCount] = _createOrderUpdate(2, pendingOrders[i], available, recipient, address(0), 0, 0, 0, 0)[0];
xBalance -= available;
updateCount++;
}
}
}
if (updateCount > 0) {
assembly { mstore(updates, updateCount) }
updates[updateCount] = _createOrderUpdate(0, 2, currentPrice, address(0), address(0), 0, 0, 0, 0)[0]; // Historical price
updateCount++;
assembly { mstore(updates, updateCount) }
listing.update(listingId, updates);
uint8 decimals = listing.tokenA() == address(0) ? 18 : IERC20(listing.tokenA()).decimals();
for (uint256 i = 0; i < updateCount - 1; i++) {
listing.transact(listingId, listing.tokenA(), denormalize(updates[i].value, decimals), updates[i].addr);
}
}
}
function settleBuyLiquid(address listingAddress) external nonReentrant {
require(IMFP(listingAgent).isValidListing(listingAddress), "Invalid listing");
uint256 listingId = IMFP(listingAgent).getListingId(listingAddress);
IMFPListing listing = IMFPListing(listingAddress);
IMFPLiquidity liquidity = IMFPLiquidity(listing.liquidityAddresses(listingId));
uint256[] memory pendingOrders = listing.pendingSellOrders(listingId);
IMFPListing.UpdateType[] memory updates = new IMFPListing.UpdateType[](pendingOrders.length < 100 ? pendingOrders.length : 100);
uint256 updateCount = 0;
uint256 currentPrice = listing.prices(listingId);
for (uint256 i = 0; i < pendingOrders.length && i < 100; i++) {
(, address recipient, , , uint256 pending, , , , uint8 status) = listing.sellOrders(pendingOrders[i]);
if (status == 1 && pending > 0) {
updates[updateCount] = _createOrderUpdate(2, pendingOrders[i], pending, recipient, address(0), 0, 0, 0, 0)[0];
liquidity.updateLiquidity(listingId, true, pending);
updateCount++;
}
}
if (updateCount > 0) {
assembly { mstore(updates, updateCount) }
updates[updateCount] = _createOrderUpdate(0, 2, currentPrice, address(0), address(0), 0, 0, 0, 0)[0]; // Historical price
updateCount++;
assembly { mstore(updates, updateCount) }
listing.update(listingId, updates);
uint8 decimals = listing.tokenA() == address(0) ? 18 : IERC20(listing.tokenA()).decimals();
for (uint256 i = 0; i < updateCount - 1; i++) {
listing.transact(listingId, listing.tokenA(), denormalize(updates[i].value, decimals), updates[i].addr);
}
}
}
function settleSellLiquid(address listingAddress) external nonReentrant {
require(IMFP(listingAgent).isValidListing(listingAddress), "Invalid listing");
uint256 listingId = IMFP(listingAgent).getListingId(listingAddress);
IMFPListing listing = IMFPListing(listingAddress);
IMFPLiquidity liquidity = IMFPLiquidity(listing.liquidityAddresses(listingId));
uint256[] memory pendingOrders = listing.pendingBuyOrders(listingId);
IMFPListing.UpdateType[] memory updates = new IMFPListing.UpdateType[](pendingOrders.length < 100 ? pendingOrders.length : 100);
uint256 updateCount = 0;
uint256 currentPrice = listing.prices(listingId);
for (uint256 i = 0; i < pendingOrders.length && i < 100; i++) {
(, address recipient, , , uint256 pending, , , , uint8 status) = listing.buyOrders(pendingOrders[i]);
if (status == 1 && pending > 0) {
updates[updateCount] = _createOrderUpdate(1, pendingOrders[i], pending, recipient, address(0), 0, 0, 0, 0)[0];
liquidity.updateLiquidity(listingId, false, pending);
updateCount++;
}
}
if (updateCount > 0) {
assembly { mstore(updates, updateCount) }
updates[updateCount] = _createOrderUpdate(0, 2, currentPrice, address(0), address(0), 0, 0, 0, 0)[0]; // Historical price
updateCount++;
assembly { mstore(updates, updateCount) }
listing.update(listingId, updates);
uint8 decimals = listing.tokenB() == address(0) ? 18 : IERC20(listing.tokenB()).decimals();
for (uint256 i = 0; i < updateCount - 1; i++) {
listing.transact(listingId, listing.tokenB(), denormalize(updates[i].value, decimals), updates[i].addr);
}
}
}
function xDeposit(address listingAddress, uint256 amount) external payable nonReentrant {
require(IMFP(listingAgent).isValidListing(listingAddress), "Invalid listing");
uint256 listingId = IMFP(listingAgent).getListingId(listingAddress);
IMFPListing listing = IMFPListing(listingAddress);
IMFPLiquidity liquidity = IMFPLiquidity(listing.liquidityAddresses(listingId));
liquidity.deposit{value: msg.value}(listingId, listing.tokenA(), amount);
}
function yDeposit(address listingAddress, uint256 amount) external payable nonReentrant {
require(IMFP(listingAgent).isValidListing(listingAddress), "Invalid listing");
uint256 listingId = IMFP(listingAgent).getListingId(listingAddress);
IMFPListing listing = IMFPListing(listingAddress);
IMFPLiquidity liquidity = IMFPLiquidity(listing.liquidityAddresses(listingId));
liquidity.deposit{value: msg.value}(listingId, listing.tokenB(), amount);
}
function xClaimFees(uint256 listingId, uint256 liquidityIndex) external nonReentrant {
address listingAddress = IMFP(listingAgent).listingValidationByIndex(listingId).listingAddress;
IMFPListing listing = IMFPListing(listingAddress);
IMFPLiquidity liquidity = IMFPLiquidity(listing.liquidityAddresses(listingId));
(, , uint256 xVolume, ) = listing.volumeBalances(listingId);
liquidity.claimFees(listingId, liquidityIndex, true, xVolume);
}
function yClaimFees(uint256 listingId, uint256 liquidityIndex) external nonReentrant {
address listingAddress = IMFP(listingAgent).listingValidationByIndex(listingId).listingAddress;
IMFPListing listing = IMFPListing(listingAddress);
IMFPLiquidity liquidity = IMFPLiquidity(listing.liquidityAddresses(listingId));
(, , , uint256 yVolume) = listing.volumeBalances(listingId);
liquidity.claimFees(listingId, liquidityIndex, false, yVolume);
}
}
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