> 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/v4/pool/ismartpoolowneractions.md).

# ISmartPoolOwnerActions

## ISmartPoolOwnerActions

### changeFeeCollector

```solidity
function changeFeeCollector(address feeCollector) external
```

Allows owner to decide where to receive the fee.

#### Parameters

| Name         | Type    | Description                  |
| ------------ | ------- | ---------------------------- |
| feeCollector | address | Address of the fee receiver. |

### changeMinPeriod

```solidity
function changeMinPeriod(uint48 minPeriod) external
```

Allows pool owner to change the minimum holding period.

#### Parameters

| Name      | Type   | Description      |
| --------- | ------ | ---------------- |
| minPeriod | uint48 | Time in seconds. |

### changeSpread

```solidity
function changeSpread(uint16 newSpread) external
```

Allows pool owner to change the mint/burn spread.

#### Parameters

| Name      | Type   | Description                                 |
| --------- | ------ | ------------------------------------------- |
| newSpread | uint16 | Number between 0 and 1000, in basis points. |

### purgeInactiveTokensAndApps

```solidity
function purgeInactiveTokensAndApps() external
```

Allows the owner to remove all inactive token and applications.

*This is the only endpoint that has access to removing a token from the active tokens tuple. Used to reduce cost of mint/burn as more tokens are traded, and allow lower gas for hft.*

### setAcceptableMintToken

```solidity
function setAcceptableMintToken(address token, bool isAccepted) external
```

Allows the owner to set acceptable mint tokens other than the base token.

#### Parameters

| Name       | Type    | Description                                                                   |
| ---------- | ------- | ----------------------------------------------------------------------------- |
| token      | address | Address of the target token.                                                  |
| isAccepted | bool    | Boolean to indicate whether the token is to be added or removed from storage. |

### setKycProvider

```solidity
function setKycProvider(address kycProvider) external
```

Allows pool owner to set/update the user whitelist contract.

*Kyc provider can be set to null, removing user whitelist requirement.*

#### Parameters

| Name        | Type    | Description                  |
| ----------- | ------- | ---------------------------- |
| kycProvider | address | Address if the kyc provider. |

### setOwner

```solidity
function setOwner(address newOwner) external
```

Allows pool owner to set a new owner address.

*Method restricted to owner.*

#### Parameters

| Name     | Type    | Description               |
| -------- | ------- | ------------------------- |
| newOwner | address | Address of the new owner. |

### setTransactionFee

```solidity
function setTransactionFee(uint16 transactionFee) external
```

Allows pool owner to set the transaction fee.

#### Parameters

| Name           | Type   | Description                                   |
| -------------- | ------ | --------------------------------------------- |
| transactionFee | uint16 | Value of the transaction fee in basis points. |

### updateDelegation

```solidity
function updateDelegation(struct Delegation[] delegations) external
```

Allows pool owner to batch grant or revoke delegated adapter write access.

*Each entry independently adds or removes one (selector, address) pair. Emits DelegationUpdated only for entries that change storage (idempotent operations emit no event).*

#### Parameters

| Name        | Type                 | Description                              |
| ----------- | -------------------- | ---------------------------------------- |
| delegations | struct Delegation\[] | Array of delegation operations to apply. |

### revokeAllDelegations

```solidity
function revokeAllDelegations(address delegated) external
```

Revokes all selector delegations for a given address in a single call.

*Useful when a delegated wallet is compromised.*

#### Parameters

| Name      | Type    | Description                                     |
| --------- | ------- | ----------------------------------------------- |
| delegated | address | Address whose full delegation is to be revoked. |

### revokeAllDelegationsForSelector

```solidity
function revokeAllDelegationsForSelector(bytes4 selector) external
```

Revokes all address delegations for a given selector in a single call.

*Useful when an adapter is being replaced by governance and stale delegates should be cleaned.*

#### Parameters

| Name     | Type   | Description                                           |
| -------- | ------ | ----------------------------------------------------- |
| selector | bytes4 | Selector whose full delegation list is to be cleared. |