> For the complete documentation index, see [llms.txt](https://docs.alkemi.network/earn-contracts/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.alkemi.network/earn-contracts/docs/rewardcontrolinterface.md).

# RewardControlInterface.sol

View Source: [contracts/RewardControlInterface.sol](https://github.com/AlkemiNetwork/alkemi-earn-contracts/tree/ae6d5c01ff8b3810c4005457ac7ce441ab1c7ec5/contracts/RewardControlInterface.sol)

**↘ Derived Contracts:** [**RewardControl**](/earn-contracts/docs/rewardcontrol.md)

### Functions

* refreshAlkSupplyIndex(address market, address supplier, bool isVerified)
* refreshAlkBorrowIndex(address market, address borrower, bool isVerified)
* claimAlk(address holder)
* claimAlk(address holder, address market, bool isVerified)

#### refreshAlkSupplyIndex

⤿ Overridden Implementation(s): [RewardControl.refreshAlkSupplyIndex](https://app.gitbook.com/s/-MQ0mmOovvt0G2zyJIgA/docs/RewardControl.md#refreshalksupplyindex)

Refresh ALK supply index for the specified market and supplier

```javascript
function refreshAlkSupplyIndex(address market, address supplier, bool isVerified) external nonpayable
```

**Arguments**

| Name       | Type    | Description                                      |
| ---------- | ------- | ------------------------------------------------ |
| market     | address | The market whose supply index to update          |
| supplier   | address | The address of the supplier to distribute ALK to |
| isVerified | bool    | Verified / Public protocol                       |

#### refreshAlkBorrowIndex

⤿ Overridden Implementation(s): [RewardControl.refreshAlkBorrowIndex](https://app.gitbook.com/s/-MQ0mmOovvt0G2zyJIgA/docs/RewardControl.md#refreshalkborrowindex)

Refresh ALK borrow index for the specified market and borrower

```javascript
function refreshAlkBorrowIndex(address market, address borrower, bool isVerified) external nonpayable
```

**Arguments**

| Name       | Type    | Description                                      |
| ---------- | ------- | ------------------------------------------------ |
| market     | address | The market whose borrow index to update          |
| borrower   | address | The address of the borrower to distribute ALK to |
| isVerified | bool    | Verified / Public protocol                       |

#### claimAlk

⤿ Overridden Implementation(s): [RewardControl.claimAlk](https://app.gitbook.com/s/-MQ0mmOovvt0G2zyJIgA/docs/RewardControl.md#claimalk)

Claim all the ALK accrued by holder in all markets

```javascript
function claimAlk(address holder) external nonpayable
```

**Arguments**

| Name   | Type    | Description                  |
| ------ | ------- | ---------------------------- |
| holder | address | The address to claim ALK for |

#### claimAlk

⤿ Overridden Implementation(s): [RewardControl.claimAlk](https://app.gitbook.com/s/-MQ0mmOovvt0G2zyJIgA/docs/RewardControl.md#claimalk)

Claim all the ALK accrued by holder by refreshing the indexes on the specified market only

```javascript
function claimAlk(address holder, address market, bool isVerified) external nonpayable
```

**Arguments**

| Name       | Type    | Description                                          |
| ---------- | ------- | ---------------------------------------------------- |
| holder     | address | The address to claim ALK for                         |
| market     | address | The address of the market to refresh the indexes for |
| isVerified | bool    | Verified / Public protocol                           |