# LimitOrderProtocol

## Derives[​](https://docs.1inch.io/docs/aggregation-protocol/smart-contract/LimitOrderProtocolRFQ#derives) <a href="#derives" id="derives"></a>

* [Permitable](broken://pages/DOO2eTZDAe5crCpeY8uu)
* [EIP712](https://docs.openzeppelin.com/contracts/3.x/api/drafts#EIP712)
* [EthReceiver](broken://pages/iW8VH14sl4YfZUdHor2O)

## Functions[​](https://docs.1inch.io/docs/aggregation-protocol/smart-contract/LimitOrderProtocolRFQ#functions) <a href="#functions" id="functions"></a>

### constructor[​](https://docs.1inch.io/docs/aggregation-protocol/smart-contract/LimitOrderProtocolRFQ#constructor) <a href="#constructor" id="constructor"></a>

```javascript
function constructor(
  address weth
) public
```

**Parameters:**[**​**](https://docs.1inch.io/docs/aggregation-protocol/smart-contract/LimitOrderProtocolRFQ#parameters)

| Name   | Type    | Description |
| ------ | ------- | ----------- |
| `weth` | address |             |

### DOMAIN\_SEPARATOR[​](https://docs.1inch.io/docs/aggregation-protocol/smart-contract/LimitOrderProtocolRFQ#domain_separator) <a href="#domain_separator" id="domain_separator"></a>

```
function DOMAIN_SEPARATOR(
) external returns (bytes32)
```

### invalidatorForOrderRFQ[​](https://docs.1inch.io/docs/aggregation-protocol/smart-contract/LimitOrderProtocolRFQ#invalidatorfororderrfq) <a href="#invalidatorfororderrfq" id="invalidatorfororderrfq"></a>

```javascript
function invalidatorForOrderRFQ(
  address maker,
  uint256 slot
) external returns (uint256)
```

Returns bitmask for double-spend invalidators based on lowest byte of order.info and filled quotes

**Parameters:**[**​**](https://docs.1inch.io/docs/aggregation-protocol/smart-contract/LimitOrderProtocolRFQ#parameters-1)

| Name    | Type    | Description |
| ------- | ------- | ----------- |
| `maker` | address |             |
| `slot`  | uint256 |             |

**Return Values:**[**​**](https://docs.1inch.io/docs/aggregation-protocol/smart-contract/LimitOrderProtocolRFQ#return-values)

| Name     | Type    | Description                                                 |
| -------- | ------- | ----------------------------------------------------------- |
| `Result` | uint256 | Each bit represents whenever corresponding quote was filled |

### cancelOrderRFQ[​](https://docs.1inch.io/docs/aggregation-protocol/smart-contract/LimitOrderProtocolRFQ#cancelorderrfq) <a href="#cancelorderrfq" id="cancelorderrfq"></a>

```javascript
function cancelOrderRFQ(
  uint256 orderInfo
) external
```

Cancels order's quote

**Parameters:**[**​**](https://docs.1inch.io/docs/aggregation-protocol/smart-contract/LimitOrderProtocolRFQ#parameters-2)

| Name        | Type    | Description |
| ----------- | ------- | ----------- |
| `orderInfo` | uint256 |             |

### fillOrderRFQ[​](https://docs.1inch.io/docs/aggregation-protocol/smart-contract/LimitOrderProtocolRFQ#fillorderrfq) <a href="#fillorderrfq" id="fillorderrfq"></a>

```javascript
function fillOrderRFQ(
  struct LimitOrderProtocolRFQ.OrderRFQ order,
  bytes signature,
  uint256 makingAmount,
  uint256 takingAmount
) external returns (uint256, uint256)
```

Fills order's quote, fully or partially (whichever is possible)

**Parameters:**[**​**](https://docs.1inch.io/docs/aggregation-protocol/smart-contract/LimitOrderProtocolRFQ#parameters-3)

| Name           | Type                                  | Description                          |
| -------------- | ------------------------------------- | ------------------------------------ |
| `order`        | struct LimitOrderProtocolRFQ.OrderRFQ | Order quote to fill                  |
| `signature`    | bytes                                 | Signature to confirm quote ownership |
| `makingAmount` | uint256                               | Making amount                        |
| `takingAmount` | uint256                               | Taking amount                        |

### fillOrderRFQToWithPermit[​](https://docs.1inch.io/docs/aggregation-protocol/smart-contract/LimitOrderProtocolRFQ#fillorderrfqtowithpermit) <a href="#fillorderrfqtowithpermit" id="fillorderrfqtowithpermit"></a>

```javascript
function fillOrderRFQToWithPermit(
  struct LimitOrderProtocolRFQ.OrderRFQ order,
  bytes signature,
  uint256 makingAmount,
  uint256 takingAmount,
  address payable target,
  bytes permit
) external returns (uint256, uint256)
```

Fills Same as `fillOrderRFQ` but calls permit first, allowing to approve token spending and make a swap in one transaction. Also allows to specify funds destination instead of `msg.sender`

**Parameters:**[**​**](https://docs.1inch.io/docs/aggregation-protocol/smart-contract/LimitOrderProtocolRFQ#parameters-4)

| Name           | Type                                  | Description                                                                                               |
| -------------- | ------------------------------------- | --------------------------------------------------------------------------------------------------------- |
| `order`        | struct LimitOrderProtocolRFQ.OrderRFQ | Order quote to fill                                                                                       |
| `signature`    | bytes                                 | Signature to confirm quote ownership                                                                      |
| `makingAmount` | uint256                               | Making amount                                                                                             |
| `takingAmount` | uint256                               | Taking amount                                                                                             |
| `target`       | address payable                       | Address that will receive swap funds                                                                      |
| `permit`       | bytes                                 | Should consist of abiencoded token address and encoded `IERC20Permit.permit` call. See tests for examples |

### fillOrderRFQTo[​](https://docs.1inch.io/docs/aggregation-protocol/smart-contract/LimitOrderProtocolRFQ#fillorderrfqto) <a href="#fillorderrfqto" id="fillorderrfqto"></a>

```javascript
function fillOrderRFQTo(
  struct LimitOrderProtocolRFQ.OrderRFQ order,
  bytes signature,
  uint256 makingAmount,
  uint256 takingAmount,
  address payable target
) public returns (uint256, uint256)
```

Same as `fillOrderRFQ` but allows to specify funds destination instead of `msg.sender`

**Parameters:**[**​**](https://docs.1inch.io/docs/aggregation-protocol/smart-contract/LimitOrderProtocolRFQ#parameters-5)

| Name           | Type                                  | Description                          |
| -------------- | ------------------------------------- | ------------------------------------ |
| `order`        | struct LimitOrderProtocolRFQ.OrderRFQ | Order quote to fill                  |
| `signature`    | bytes                                 | Signature to confirm quote ownership |
| `makingAmount` | uint256                               | Making amount                        |
| `takingAmount` | uint256                               | Taking amount                        |
| `target`       | address payable                       | Address that will receive swap funds |

## Events[​](https://docs.1inch.io/docs/aggregation-protocol/smart-contract/LimitOrderProtocolRFQ#events) <a href="#events" id="events"></a>

### OrderFilledRFQ[​](https://docs.1inch.io/docs/aggregation-protocol/smart-contract/LimitOrderProtocolRFQ#orderfilledrfq) <a href="#orderfilledrfq" id="orderfilledrfq"></a>

```javascript
event OrderFilledRFQ(
  bytes32 orderHash,
  uint256 makingAmount
)
```

**Parameters:**[**​**](https://docs.1inch.io/docs/aggregation-protocol/smart-contract/LimitOrderProtocolRFQ#parameters-6)

| Name           | Type    | Description |
| -------------- | ------- | ----------- |
| `orderHash`    | bytes32 |             |
| `makingAmount` | uint256 |             |


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