# Rebase Controller

`RebaseController` is responsible for initiating rebases to distribute rewards in the `StakingPool` and handling emergency pausing and reopening of the pool. It acts as a security and automation layer, ensuring that rewards are updated regularly and that the pool can be paused or reopened in response to detected losses or emergencies.

## View Functions

### stakingPool

Returns the address of the staking pool.

```solidity
function stakingPool() external view returns (address)
```

#### Return Values

| Name        | Type    | Description             |
| ----------- | ------- | ----------------------- |
| stakingPool | address | Address of staking pool |

### priorityPool

Returns the address of the priority pool.

```solidity
function priorityPool() external view returns (address)
```

#### Return Values

| Name         | Type    | Description              |
| ------------ | ------- | ------------------------ |
| priorityPool | address | Address of priority pool |

### securityPool

Returns the address of the security pool.

```solidity
function securityPool() external view returns (address)
```

#### Return Values

| Name         | Type    | Description              |
| ------------ | ------- | ------------------------ |
| securityPool | address | Address of security pool |

### emergencyPauser

Returns the address authorized to pause the pool in case of emergency.

```solidity
function emergencyPauser() external view returns (address)
```

#### Return Values

| Name            | Type    | Description                 |
| --------------- | ------- | --------------------------- |
| emergencyPauser | address | Address of emergency pauser |

### rewardsUpdater

Returns the address authorized to update rewards.

```solidity
function rewardsUpdater() external view returns (address)
```

#### Return Values

| Name           | Type    | Description                |
| -------------- | ------- | -------------------------- |
| rewardsUpdater | address | Address of rewards updater |

### checkUpkeep

Checks if a loss has been detected in any strategy.

```solidity
function checkUpkeep(bytes calldata) external view returns (bool upkeepNeeded, bytes memory performData)
```

#### Return Values

| Name         | Type  | Description                                    |
| ------------ | ----- | ---------------------------------------------- |
| upkeepNeeded | bool  | True if a loss is detected in any strategy     |
| performData  | bytes | Encoded index of strategy with a loss (if any) |

## Write Functions

### updateRewards

Updates strategy rewards in the staking pool.

```solidity
function updateRewards(bytes calldata _data) external
```

#### Parameters

| Name   | Type  | Description                        |
| ------ | ----- | ---------------------------------- |
| \_data | bytes | Encoded data to pass to strategies |

### performUpkeep

Pauses the priority pool if a loss has been detected in a strategy.

```solidity
function performUpkeep(bytes calldata _performData) external
```

#### Parameters

| Name          | Type  | Description                           |
| ------------- | ----- | ------------------------------------- |
| \_performData | bytes | Encoded index of strategy with a loss |

### pausePool

Pauses the priority pool in the case of an emergency.

```solidity
function pausePool() external
```

*No parameters.*

### reopenPool

Reopens the priority pool and security pool after they were paused due to a loss, and updates strategy rewards.

```solidity
function reopenPool(bytes calldata _data) external
```

#### Parameters

| Name   | Type  | Description                        |
| ------ | ----- | ---------------------------------- |
| \_data | bytes | Encoded data to pass to strategies |

### setEmergencyPauser

Sets the address authorized to pause the pool in case of emergency.

```solidity
function setEmergencyPauser(address _emergencyPauser) external
```

#### Parameters

| Name              | Type    | Description                 |
| ----------------- | ------- | --------------------------- |
| \_emergencyPauser | address | Address of emergency pauser |

### setRewardsUpdater

Sets the address authorized to update rewards.

```solidity
function setRewardsUpdater(address _rewardsUpdater) external
```

#### Parameters

| Name             | Type    | Description                |
| ---------------- | ------- | -------------------------- |
| \_rewardsUpdater | address | Address of rewards updater |