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

# IBC Admin

The IBC Admin contract is where protocol configuration changes are made. Fee configuration updates as well as contract upgrades and pauses are managed through this contract. 

## Events

### `FeeConfigChanged`

Emitted when fee configurations have been changed by the contract owner. 

```solidity
event FeeConfigChanged(
    ActionType actionType, 
    uint256 lpFee, 
    uint256 stakingFee, 
    uint256 protocolFee
); 
```

{% tabs %}
{% tab title="Parameters" %}

| Parameter   | Type       | Description                            |
| ----------- | ---------- | -------------------------------------- |
| actionType  | ActionType | Type of user action                    |
| lpFee       | uint256    | Rate of fees given to LPs              |
| stakingFee  | uint256    | Rate of fees given to ibAsset stakers  |
| protocolFee | uint256    | Rate of fees given to protocol creator |

#### ActionType

```solidity
enum ActionType {
    BUY_TOKEN,
    SELL_TOKEN,
    ADD_LIQUIDITY,
    REMOVE_LIQUIDITY
}
```

| Parameter         | Description                                      |
| ----------------- | ------------------------------------------------ |
| BUY\_TOKEN        | Action is the minting of ibAssets                |
| SELL\_TOKEN       | Action is the burning of ibAssets                |
| ADD\_LIQUIDITY    | Action is the adding of liquidity to the IBC     |
| REMOVE\_LIQUIDITY | Action is the removing of liquidity from the IBC |
| {% endtab %}      |                                                  |
| {% endtabs %}     |                                                  |

### `FeeOwnerChanged`

Emitted when the protocol creator fee receival address is changed. 

```solidity
event FeeOwnerChanged(address feeOwner); 
```

{% tabs %}
{% tab title="Parameter" %}

| Parameter     | Type    | Description                                 |
| ------------- | ------- | ------------------------------------------- |
| feeOwner      | address | New address receiving protocol creator fees |
| {% endtab %}  |         |                                             |
| {% endtabs %} |         |                                             |

### `RouterChanged`

Emitted when the IBC Router contract is changed. 

```solidity
event RouterChanged(address router); 
```

{% tabs %}
{% tab title="Parameter" %}

| Parameter     | Type    | Description                        |
| ------------- | ------- | ---------------------------------- |
| router        | address | Address of new IBC Router contract |
| {% endtab %}  |         |                                    |
| {% endtabs %} |         |                                    |

### `CurveImplementationChanged`

Emitted when the IBC contract implementation is changed. 

```solidity
event CurveImplementationChanged(address implementation); 
```

{% tabs %}
{% tab title="Parameter" %}

| Parameter      | Type    | Description                                |
| -------------- | ------- | ------------------------------------------ |
| implementation | address | Address of new IBC contract implementation |
| {% endtab %}   |         |                                            |
| {% endtabs %}  |         |                                            |

## Read-Only Functions

### `feeConfig`

Gets the fee configurations of inverse bonding curve interactions for the specified action type. 

```solidity
function feeConfig(ActionType actionType) external view returns (
    uint256 lpFee, 
    uint256 stakingFee, 
    uint256 protocolFee
)
```

{% tabs %}
{% tab title="Parameters" %}

| Parameter  | Type       | Description         |
| ---------- | ---------- | ------------------- |
| actionType | ActionType | Type of user action |

#### ActionType

```solidity
enum ActionType {
    BUY_TOKEN,
    SELL_TOKEN,
    ADD_LIQUIDITY,
    REMOVE_LIQUIDITY
}
```

| Parameter         | Description                                      |
| ----------------- | ------------------------------------------------ |
| BUY\_TOKEN        | Action is the minting of ibAssets                |
| SELL\_TOKEN       | Action is the burning of ibAssets                |
| ADD\_LIQUIDITY    | Action is the adding of liquidity to the IBC     |
| REMOVE\_LIQUIDITY | Action is the removing of liquidity from the IBC |
| {% endtab %}      |                                                  |

{% tab title="Return Values" %}

| Parameter     | Type    | Description                                             |
| ------------- | ------- | ------------------------------------------------------- |
| lpFee         | uint256 | Fee rate given to LPs for user action type              |
| stakingFee    | uint256 | Fee rate given to ibAsset stakers for user action type  |
| protocolFee   | uint256 | Fee rate given to protocol creator for user action type |
| {% endtab %}  |         |                                                         |
| {% endtabs %} |         |                                                         |

### `factoryAddress`

Gets the contract address of the IBC Factory contract. 

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

{% tabs %}
{% tab title="Parameters" %}

| Parameter    | Type | Description |
| ------------ | ---- | ----------- |
|              |      |             |
| {% endtab %} |      |             |

{% tab title="Return Values" %}

| Type          | Description                                  |
| ------------- | -------------------------------------------- |
| address       | Contract address of the IBC Factory contract |
| {% endtab %}  |                                              |
| {% endtabs %} |                                              |

### `feeOwner`

Gets the address receiving protocol creator fees. 

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

{% tabs %}
{% tab title="Parameters" %}

| Parameter    | Type | Description |
| ------------ | ---- | ----------- |
|              |      |             |
| {% endtab %} |      |             |

{% tab title="Return Values" %}

| Type          | Description                             |
| ------------- | --------------------------------------- |
| address       | Address receiving protocol creator fees |
| {% endtab %}  |                                         |
| {% endtabs %} |                                         |

### `weth`

Gets the contract address of the WETH token contract. 

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

{% tabs %}
{% tab title="Parameters" %}

| Parameter    | Type | Description |
| ------------ | ---- | ----------- |
|              |      |             |
| {% endtab %} |      |             |

{% tab title="Return Values" %}

| Type          | Description                                 |
| ------------- | ------------------------------------------- |
| address       | Contract address of the WETH token contract |
| {% endtab %}  |                                             |
| {% endtabs %} |                                             |

### `router`

Gets the contract address of the IBC Router contract. 

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

{% tabs %}
{% tab title="Parameters" %}

| Parameter    | Type | Description |
| ------------ | ---- | ----------- |
|              |      |             |
| {% endtab %} |      |             |

{% tab title="Return Values" %}

| Type          | Description                                 |
| ------------- | ------------------------------------------- |
| address       | Contract address of the IBC Router contract |
| {% endtab %}  |                                             |
| {% endtabs %} |                                             |

### `curveImplementation`

Gets the contract address of the IBC implementation contract. 

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

{% tabs %}
{% tab title="Parameters" %}

| Parameter    | Type | Description |
| ------------ | ---- | ----------- |
|              |      |             |
| {% endtab %} |      |             |

{% tab title="Return Values" %}

| Type          | Description                       |
| ------------- | --------------------------------- |
| address       | Address of the IBC implementation |
| {% endtab %}  |                                   |
| {% endtabs %} |                                   |