> For the complete documentation index, see [llms.txt](https://docs.octusbridge.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.octusbridge.io/integrate/octus-bridge-contracts/everscale/staking-section/relayround.md).

# RelayRound

#### **`hasUnclaimedReward`**

Checks if user has unclaimed rewards.

```
function hasUnclaimedReward(address _relay_staker_addr) external view responsible returns (bool has_reward)
```

**Parameters:**

| Name                  | Type    | Description       |
| --------------------- | ------- | ----------------- |
| \_relay\_staker\_addr | address | Address of staker |

**Return value:**

| Name        | Type | Description                                    |
| ----------- | ---- | ---------------------------------------------- |
| has\_reward | bool | True if it has unclaimed rewards, false if not |

#### **`getRewardForRound`**

Calculates reward for certain round and sends it to user.

```
function getRelayByStakerAddress(
        address _relay_staker_addr
    ) external view responsible returns (uint256 _ton_key, uint160 _eth_addr, address _staker_addr, uint128 _staked_tokens)
```

**Parameters:**

| Name                  | Type    | Description    |
| --------------------- | ------- | -------------- |
| \_relay\_staker\_addr | address | Staker address |

**Return value:**

| Name             | Type    | Description                |
| ---------------- | ------- | -------------------------- |
| \_ton\_key       | uint256 | Ton account’s public key   |
| \_eth\_addr      | uint160 | Ethereum account’s address |
| \_staker\_addr   | address | Staker address             |
| \_staked\_tokens | uint128 | Amount of tokens staked    |

#### **`sendRelaysToRelayRound`**

Sets relayers to the specific round.

```
function sendRelaysToRelayRound(address relay_round_addr, uint32 count) external override onlyRoot
```

**Parameters:**

| Name               | Type    | Description                                 |
| ------------------ | ------- | ------------------------------------------- |
| relay\_round\_addr | address | Address of relayer round                    |
| count              | uint32  | Number of relayers to send to relayer round |

#### **`_checkRelaysInstalled`**

Checks whether there are enough relayers installed.

```
function _checkRelaysInstalled() internal
```

#### **`destroy`**

Destroy round if ended.

```
function destroy() external override onlyRoot
```

#### **`onCodeUpgrade`**

Sets relayer round data based on the upgraded data.

```
function onCodeUpgrade(TvmCell upgrade_data) private
```

**Parameters:**

| Name          | Type    | Description                                 |
| ------------- | ------- | ------------------------------------------- |
| upgrade\_data | TvmCell | Upgraded election data in cell format       |
| count         | uint32  | Number of relayers to send to relayer round |

#### **`upgrade`**

Upgrades relayer round data and code.

```
function upgrade(TvmCell code, uint32 new_version, address send_gas_to) external onlyRoot
```

**Parameters:**

| Name          | Type    | Description                             |
| ------------- | ------- | --------------------------------------- |
| code          | TvmCell | relayer round’s platform code           |
| new\_version  | uint32  | New version of relayer round’s platform |
| send\_gas\_to | address | Address where to send remaining gas     |

**Events emitted:**

* RelayRoundCodeUpgraded