> 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/ipoolregistry.md).

# IPoolRegistry

## IPoolRegistry

### PoolMeta

Mapping of pool meta by pool key.

#### Parameters

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

```solidity
struct PoolMeta {
  mapping(bytes32 => bytes32) meta;
}
```

### AuthorityChanged

```solidity
event AuthorityChanged(address authority)
```

Emitted when Rigoblock Dao updates authority address.

#### Parameters

| Name      | Type    | Description                            |
| --------- | ------- | -------------------------------------- |
| authority | address | Address of the new authority contract. |

### MetaChanged

```solidity
event MetaChanged(address pool, bytes32 key, bytes32 value)
```

Emitted when pool owner updates meta data for its pool.

#### Parameters

| Name  | Type    | Description                                   |
| ----- | ------- | --------------------------------------------- |
| pool  | address | Address of the pool.                          |
| key   | bytes32 | Bytes32 key for indexing.                     |
| value | bytes32 | Bytes32 of the value associated with the key. |

### Registered

```solidity
event Registered(address group, address pool, bytes32 name, bytes32 symbol, bytes32 id)
```

Emitted when a new pool is registered in registry.

#### Parameters

| Name   | Type    | Description                     |
| ------ | ------- | ------------------------------- |
| group  | address | Address of the pool factory.    |
| pool   | address | Address of the registered pool. |
| name   | bytes32 | String name of the pool.        |
| symbol | bytes32 | String name of the pool.        |
| id     | bytes32 | Bytes32 id of the pool.         |

### RigoblockDaoChanged

```solidity
event RigoblockDaoChanged(address rigoblockDao)
```

Emitted when rigoblock Dao address is updated.

#### Parameters

| Name         | Type    | Description      |
| ------------ | ------- | ---------------- |
| rigoblockDao | address | New Dao address. |

### authority

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

Returns the address of the Rigoblock authority contract.

#### Return Values

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

### rigoblockDao

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

Returns the address of the Rigoblock Dao.

#### Return Values

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

### register

```solidity
function register(address pool, string name, string symbol, bytes32 poolId) external
```

Allows a factory which is an authority to register a pool.

#### Parameters

| Name   | Type    | Description                                            |
| ------ | ------- | ------------------------------------------------------ |
| pool   | address | Address of the pool.                                   |
| name   | string  | String name of the pool (31 characters/bytes or less). |
| symbol | string  | String symbol of the pool (3 to 5 characters/bytes).   |
| poolId | bytes32 | Bytes32 of the pool id.                                |

### setAuthority

```solidity
function setAuthority(address authority) external
```

Allows Rigoblock governance to update authority.

#### Parameters

| Name      | Type    | Description                        |
| --------- | ------- | ---------------------------------- |
| authority | address | Address of the authority contract. |

### setMeta

```solidity
function setMeta(address pool, bytes32 key, bytes32 value) external
```

Allows pool owner to set metadata for a pool.

#### Parameters

| Name  | Type    | Description           |
| ----- | ------- | --------------------- |
| pool  | address | Address of the pool.  |
| key   | bytes32 | Bytes32 of the key.   |
| value | bytes32 | Bytes32 of the value. |

### setRigoblockDao

```solidity
function setRigoblockDao(address newRigoblockDao) external
```

Allows Rigoblock Dao to update its address.

*Creates internal record.*

#### Parameters

| Name            | Type    | Description                   |
| --------------- | ------- | ----------------------------- |
| newRigoblockDao | address | Address of the Rigoblock Dao. |

### getMeta

```solidity
function getMeta(address pool, bytes32 key) external view returns (bytes32 poolMeta)
```

Returns metadata for a given pool.

#### Parameters

| Name | Type    | Description          |
| ---- | ------- | -------------------- |
| pool | address | Address of the pool. |
| key  | bytes32 | Bytes32 key.         |

#### Return Values

| Name     | Type    | Description  |
| -------- | ------- | ------------ |
| poolMeta | bytes32 | Meta by key. |

### getPoolIdFromAddress

```solidity
function getPoolIdFromAddress(address pool) external view returns (bytes32 poolId)
```

Returns the id of a pool from its address.

#### Parameters

| Name | Type    | Description          |
| ---- | ------- | -------------------- |
| pool | address | Address of the pool. |

#### Return Values

| Name   | Type    | Description             |
| ------ | ------- | ----------------------- |
| poolId | bytes32 | bytes32 id of the pool. |