# IBaseFeeCalculator

Base interface for a contract that calculates TVL and performance fees for a vault and protocol

## Functions

### setProtocolFeeRecipient

Set the protocol fee recipient

```solidity
function setProtocolFeeRecipient(address feeRecipient) external;
```

**Parameters**

| Name           | Type      | Description                               |
| -------------- | --------- | ----------------------------------------- |
| `feeRecipient` | `address` | The address of the protocol fee recipient |

### setProtocolFees

Set the protocol fee rates

```solidity
function setProtocolFees(uint16 tvl, uint16 performance) external;
```

**Parameters**

| Name          | Type     | Description                              |
| ------------- | -------- | ---------------------------------------- |
| `tvl`         | `uint16` | The TVL fee rate in basis points         |
| `performance` | `uint16` | The performance fee rate in basis points |

### setVaultFees

Set the vault-specific fee rates

```solidity
function setVaultFees(address vault, uint16 tvl, uint16 performance) external;
```

**Parameters**

| Name          | Type      | Description                              |
| ------------- | --------- | ---------------------------------------- |
| `vault`       | `address` | The address of the vault                 |
| `tvl`         | `uint16`  | The TVL fee rate in basis points         |
| `performance` | `uint16`  | The performance fee rate in basis points |

### setVaultAccountant

Set the accountant for a vault

```solidity
function setVaultAccountant(address vault, address accountant) external;
```

**Parameters**

| Name         | Type      | Description                       |
| ------------ | --------- | --------------------------------- |
| `vault`      | `address` | The address of the vault          |
| `accountant` | `address` | The address of the new accountant |

## Events

### VaultFeesSet

Emitted when a vault's fees are updated

```solidity
event VaultFeesSet(address indexed vault, uint16 tvlFee, uint16 performanceFee);
```

**Parameters**

| Name             | Type      | Description                                  |
| ---------------- | --------- | -------------------------------------------- |
| `vault`          | `address` | The address of the vault                     |
| `tvlFee`         | `uint16`  | The new TVL fee rate in basis points         |
| `performanceFee` | `uint16`  | The new performance fee rate in basis points |

### ProtocolFeeRecipientSet

Emitted when the protocol fee recipient is updated

```solidity
event ProtocolFeeRecipientSet(address indexed feeRecipient);
```

**Parameters**

| Name           | Type      | Description                               |
| -------------- | --------- | ----------------------------------------- |
| `feeRecipient` | `address` | The address of the protocol fee recipient |

### ProtocolFeesSet

Emitted when protocol fees are updated

```solidity
event ProtocolFeesSet(uint16 tvlFee, uint16 performanceFee);
```

**Parameters**

| Name             | Type     | Description                                           |
| ---------------- | -------- | ----------------------------------------------------- |
| `tvlFee`         | `uint16` | The new protocol TVL fee rate in basis points         |
| `performanceFee` | `uint16` | The new protocol performance fee rate in basis points |

### VaultAccountantSet

Emitted when the accountant for a vault is updated

```solidity
event VaultAccountantSet(address vault, address accountant);
```

**Parameters**

| Name         | Type      | Description                                                |
| ------------ | --------- | ---------------------------------------------------------- |
| `vault`      | `address` | The address of the vault whose accountant is being updated |
| `accountant` | `address` | The address of the new accountant assigned to the vault    |

## Errors

### Aera\_\_TvlFeeTooHigh

Thrown when attempting to set an TVL fee higher than the maximum allowed

```solidity
error Aera__TvlFeeTooHigh();
```

### Aera\_\_PerformanceFeeTooHigh

Thrown when attempting to set a performance fee higher than the maximum allowed

```solidity
error Aera__PerformanceFeeTooHigh();
```

### Aera\_\_ZeroAddressProtocolFeeRecipient

Thrown when attempting to set a protocol fee recipient to the zero address

```solidity
error Aera__ZeroAddressProtocolFeeRecipient();
```

### Aera\_\_CallerIsNotVaultOwner

Thrown when attempting to set vault fees for a vault that is not owned by the caller

```solidity
error Aera__CallerIsNotVaultOwner();
```

### Aera\_\_CallerIsNotVaultAccountant

Thrown when attempting to perform an action on a vault by someone who is not its assigned accountant

```solidity
error Aera__CallerIsNotVaultAccountant();
```

### Aera\_\_VaultNotRegistered

Thrown during a vault is not registered and action requires a registered vault

```solidity
error Aera__VaultNotRegistered();
```