> For the complete documentation index, see [llms.txt](https://docs.essencefinance.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.essencefinance.io/development/smart-contracts/core/permissions.md).

# Permissions

## Functions

### constructor

```solidity
function constructor() public
```

### createRole

```solidity
function createRole(
    bytes32 role,
    bytes32 adminRole
) external
```

creates a new role to be maintained

can also be used to update admin of existing role

#### Parameters

| Name        | Type    | Description                  |
| ----------- | ------- | ---------------------------- |
| `role`      | bytes32 | the new role id              |
| `adminRole` | bytes32 | the admin role id for `role` |

### grantMinter

```solidity
function grantMinter(
    address minter
) external
```

grants minter role to address

#### Parameters

| Name     | Type    | Description |
| -------- | ------- | ----------- |
| `minter` | address | new minter  |

### grantBurner

```solidity
function grantBurner(
    address burner
) external
```

grants burner role to address

#### Parameters

| Name     | Type    | Description |
| -------- | ------- | ----------- |
| `burner` | address | new burner  |

### grantPCVController

```solidity
function grantPCVController(
    address pcvController
) external
```

grants controller role to address

#### Parameters

| Name            | Type    | Description    |
| --------------- | ------- | -------------- |
| `pcvController` | address | new controller |

### grantGovernor

```solidity
function grantGovernor(
    address governor
) external
```

grants governor role to address

#### Parameters

| Name       | Type    | Description  |
| ---------- | ------- | ------------ |
| `governor` | address | new governor |

### grantGuardian

```solidity
function grantGuardian(
    address guardian
) external
```

grants guardian role to address

#### Parameters

| Name       | Type    | Description  |
| ---------- | ------- | ------------ |
| `guardian` | address | new guardian |

### revokeMinter

```solidity
function revokeMinter(
    address minter
) external
```

revokes minter role from address

#### Parameters

| Name     | Type    | Description |
| -------- | ------- | ----------- |
| `minter` | address | ex minter   |

### revokeBurner

```solidity
function revokeBurner(
    address burner
) external
```

revokes burner role from address

#### Parameters

| Name     | Type    | Description |
| -------- | ------- | ----------- |
| `burner` | address | ex burner   |

### revokePCVController

```solidity
function revokePCVController(
    address pcvController
) external
```

revokes pcvController role from address

#### Parameters

| Name            | Type    | Description      |
| --------------- | ------- | ---------------- |
| `pcvController` | address | ex pcvController |

### revokeGovernor

```solidity
function revokeGovernor(
    address governor
) external
```

revokes governor role from address

#### Parameters

| Name       | Type    | Description |
| ---------- | ------- | ----------- |
| `governor` | address | ex governor |

### revokeGuardian

```solidity
function revokeGuardian(
    address guardian
) external
```

revokes guardian role from address

#### Parameters

| Name       | Type    | Description |
| ---------- | ------- | ----------- |
| `guardian` | address | ex guardian |

### revokeOverride

```solidity
function revokeOverride(
    bytes32 role,
    address account
) external
```

revokes a role from address

#### Parameters

| Name      | Type    | Description                         |
| --------- | ------- | ----------------------------------- |
| `role`    | bytes32 | the role to revoke                  |
| `account` | address | the address to revoke the role from |

### isMinter

```solidity
function isMinter(
    address _address
) external returns (bool)
```

checks if address is a minter

#### Parameters

| Name       | Type    | Description      |
| ---------- | ------- | ---------------- |
| `_address` | address | address to check |

#### Return Values

| Name  | Type | Description                |
| ----- | ---- | -------------------------- |
| `[0]` | bool | true \_address is a minter |

### isBurner

```solidity
function isBurner(
    address _address
) external returns (bool)
```

checks if address is a burner

#### Parameters

| Name       | Type    | Description      |
| ---------- | ------- | ---------------- |
| `_address` | address | address to check |

#### Return Values

| Name  | Type | Description                |
| ----- | ---- | -------------------------- |
| `[0]` | bool | true \_address is a burner |

### isPCVController

```solidity
function isPCVController(
    address _address
) external returns (bool)
```

checks if address is a controller

#### Parameters

| Name       | Type    | Description      |
| ---------- | ------- | ---------------- |
| `_address` | address | address to check |

#### Return Values

| Name  | Type | Description                    |
| ----- | ---- | ------------------------------ |
| `[0]` | bool | true \_address is a controller |

### isGovernor

```solidity
function isGovernor(
    address _address
) public returns (bool)
```

checks if address is a governor

#### Parameters

| Name       | Type    | Description      |
| ---------- | ------- | ---------------- |
| `_address` | address | address to check |

#### Return Values

| Name  | Type | Description                  |
| ----- | ---- | ---------------------------- |
| `[0]` | bool | true \_address is a governor |

### isGuardian

```solidity
function isGuardian(
    address _address
) public returns (bool)
```

checks if address is a guardian

#### Parameters

| Name       | Type    | Description      |
| ---------- | ------- | ---------------- |
| `_address` | address | address to check |

#### Return Values

| Name  | Type | Description                  |
| ----- | ---- | ---------------------------- |
| `[0]` | bool | true \_address is a guardian |

### \_setupGovernor

```solidity
function _setupGovernor(
    address governor
) internal
```

#### Parameters

| Name       | Type    | Description |
| ---------- | ------- | ----------- |
| `governor` | address |             |