> For the complete documentation index, see [llms.txt](https://docs.rigoblock.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.rigoblock.com/solidity-api-reference/protocol/interfaces/iauthority.md).

# IAuthority

## IAuthority

### PermissionAdded

```solidity
event PermissionAdded(address from, address target, uint8 permissionType)
```

Adds a permission for a role.

*Possible roles are Role.ADAPTER, Role.FACTORY, Role.WHITELISTER*

#### Parameters

| Name           | Type    | Description                     |
| -------------- | ------- | ------------------------------- |
| from           | address | Address of the method caller.   |
| target         | address | Address of the approved wallet. |
| permissionType | uint8   | Enum type of permission.        |

### PermissionRemoved

```solidity
event PermissionRemoved(address from, address target, uint8 permissionType)
```

Removes a permission for a role.

*Possible roles are Role.ADAPTER, Role.FACTORY, Role.WHITELISTER*

#### Parameters

| Name           | Type    | Description                     |
| -------------- | ------- | ------------------------------- |
| from           | address | Address of the method caller.   |
| target         | address | Address of the approved wallet. |
| permissionType | uint8   | Enum type of permission.        |

### RemovedMethod

```solidity
event RemovedMethod(address from, address adapter, bytes4 selector)
```

Removes an approved method.

*Removes a mapping of method selector to adapter according to eip1967.*

#### Parameters

| Name     | Type    | Description                     |
| -------- | ------- | ------------------------------- |
| from     | address | Address of the method caller.   |
| adapter  | address | Address of the adapter.         |
| selector | bytes4  | Bytes4 of the method signature. |

### WhitelistedMethod

```solidity
event WhitelistedMethod(address from, address adapter, bytes4 selector)
```

Approves a new method.

*Adds a mapping of method selector to adapter according to eip1967.*

#### Parameters

| Name     | Type    | Description                     |
| -------- | ------- | ------------------------------- |
| from     | address | Address of the method caller.   |
| adapter  | address | Address of the adapter.         |
| selector | bytes4  | Bytes4 of the method signature. |

### Role

```solidity
enum Role {
  ADAPTER,
  FACTORY,
  WHITELISTER
}
```

### Permission

Mapping of permission type to bool.

#### Parameters

| Name | Type | Description |
| ---- | ---- | ----------- |

```solidity
struct Permission {
  mapping(enum IAuthority.Role => bool) authorized;
}
```

### addMethod

```solidity
function addMethod(bytes4 selector, address adapter) external
```

Allows a whitelister to whitelist a method. We do not save list of approved as better queried by events.

#### Parameters

| Name     | Type    | Description                                     |
| -------- | ------- | ----------------------------------------------- |
| selector | bytes4  | Bytes4 hex of the method selector.              |
| adapter  | address | Address of the adapter implementing the method. |

### removeMethod

```solidity
function removeMethod(bytes4 selector, address adapter) external
```

Allows a whitelister to remove a method.

#### Parameters

| Name     | Type    | Description                                     |
| -------- | ------- | ----------------------------------------------- |
| selector | bytes4  | Bytes4 hex of the method selector.              |
| adapter  | address | Address of the adapter implementing the method. |

### setAdapter

```solidity
function setAdapter(address adapter, bool isWhitelisted) external
```

Allows owner to set extension adapter address.

#### Parameters

| Name          | Type    | Description                    |
| ------------- | ------- | ------------------------------ |
| adapter       | address | Address of the target adapter. |
| isWhitelisted | bool    | Bool whitelisted.              |

### setFactory

```solidity
function setFactory(address factory, bool isWhitelisted) external
```

Allows an admin to set factory permission.

#### Parameters

| Name          | Type    | Description                    |
| ------------- | ------- | ------------------------------ |
| factory       | address | Address of the target factory. |
| isWhitelisted | bool    | Bool whitelisted.              |

### setWhitelister

```solidity
function setWhitelister(address whitelister, bool isWhitelisted) external
```

Allows the owner to set whitelister permission. Whitelister permission is required to approve methods in extensions adapter.

#### Parameters

| Name          | Type    | Description                 |
| ------------- | ------- | --------------------------- |
| whitelister   | address | Address of the whitelister. |
| isWhitelisted | bool    | Bool whitelisted.           |

### getApplicationAdapter

```solidity
function getApplicationAdapter(bytes4 selector) external view returns (address)
```

Returns the address of the adapter associated to the signature.

#### Parameters

| Name     | Type   | Description                  |
| -------- | ------ | ---------------------------- |
| selector | bytes4 | Hex of the method signature. |

#### Return Values

| Name | Type    | Description             |
| ---- | ------- | ----------------------- |
| \[0] | address | Address of the adapter. |

### isWhitelistedFactory

```solidity
function isWhitelistedFactory(address target) external view returns (bool)
```

Provides whether a factory is whitelisted.

#### Parameters

| Name   | Type    | Description                    |
| ------ | ------- | ------------------------------ |
| target | address | Address of the target factory. |

#### Return Values

| Name | Type | Description          |
| ---- | ---- | -------------------- |
| \[0] | bool | Bool is whitelisted. |

### isWhitelister

```solidity
function isWhitelister(address target) external view returns (bool)
```

Provides whether an address is whitelister.

#### Parameters

| Name   | Type    | Description                        |
| ------ | ------- | ---------------------------------- |
| target | address | Address of the target whitelister. |

#### Return Values

| Name | Type | Description          |
| ---- | ---- | -------------------- |
| \[0] | bool | Bool is whitelisted. |