> ## Documentation Index
> Fetch the complete documentation index at: https://docs.restaking.cloud/llms.txt
> Use this file to discover all available pages before exploring further.

# pno sub-class

The following readme describes all the functions and their parameters exposed by the `pno` class of the K2 SDK. This sub-class contains all the important functions from the PNO registry and Lien contracts of the K2 Lending protocol.

## onDelegatedRecipientSet function

Handle the case where delegated recipient is being adjusted to make sure no redelegations remain when lien is in force.

### Input Parameters

currentRecipient: Address of the current recipient

### Using onDelegatedRecipientSet function

```javascript theme={null}
await sdk.pno.onDelegatedRecipientSet(currentRecipient);
```

### Return Parameters

Transaction details if the transaction was successful.

## onSBPUpdated function

Poke the PNO registry to allow it to check whether kNetwork is mapped to current SBP.

### Input Parameters

debtor: ETH address of the debtor

### Using onSBPUpdated function

```javascript theme={null}
await sdk.pno.onSBPUpdated(debtor);
```

### Return Parameters

Transaction details if the transaction was successful.

## createKNetwork function

SBP owner can call this function to spin up their own kNetwork which will take care of deploying a fund splitter.

### Input Parameters

defaultRewardToken: Address of the default reward token

### Using createKNetwork function

```javascript theme={null}
await sdk.pno.createKNetwork(defaultRewardToken);
```

### Return Parameters

Transaction details if the transaction was successful.

## banNodeOperator function

Allows the lien contract to ban a node operator in the event that a PNO has severely violated protocol rules.

### Input Parameters

sbpIndexId: SBP index in string\
pno: Address of the PNO

### Using banNodeOperator function

```javascript theme={null}
await sdk.pno.banNodeOperator(sbpIndexId, pno);
```

### Return Parameters

Transaction details if the transaction was successful.

## managePNO function

Allows the DAO to manage the global PNO inclusion list.

### Input Parameters

pno: Address of the PNO\
enabled: Boolean value, true if enabled

### Using managePNO function

```javascript theme={null}
await sdk.pno.managePNO(pno, enabled);
```

### Return Parameters

Transaction details if the transaction was successful.

## removePNO function

Allow a SBP owner to use a PNO from the global inclusion list in their kNetwork.

### Input Parameters

pno: Address of the PNO

### Using removePNO function

```javascript theme={null}
await sdk.pno.removePNO(pno);
```

### Return Parameters

Transaction details if the transaction was successful.

## togglePNOGatekeepingForKNetwork function

Allow a kNetwork to enable PNO gatekeeping for their network before and after network creation.

### Using togglePNOGatekeepingForKNetwork function

```javascript theme={null}
await sdk.pno.togglePNOGatekeepingForKNetwork();
```

### Return Parameters

Transaction details if the transaction was successful.

## manageKNetworkInclusionList function

Allow a kNetwork that has gatekeeping enabled to manage inclusion list for the opt in to work.

### Input Parameters

PNOs: Array of all PNO addresses
enabled: Boolean value, true if enabled

### Using manageKNetworkInclusionList function

```javascript theme={null}
await sdk.pno.manageKNetworkInclusionList(PNOs, enabled);
```

### Return Parameters

Transaction details if the transaction was successful.

## optIntoKNetwork function

Lets the PNO to opt into node running for a kNetwork.

### Input Parameters

sbpIndexId: SBP index in string

### Using optIntoKNetwork function

```javascript theme={null}
await sdk.pno.optIntoKNetwork(sbpIndexId);
```

### Return Parameters

Transaction details if the transaction was successful.

## optOutOfKNetwork function

Lets the PNO to opt out of node running for a kNetwork.

### Input Parameters

sbpIndexId: SBP index in string

### Using optOutOfKNetwork function

```javascript theme={null}
await sdk.pno.optOutOfKNetwork(sbpIndexId);
```

### Return Parameters

Transaction details if the transaction was successful.

## setPNOPayoutRecipient function

Allow PNO to set their payout recipient across all kNetwork payout processing fund splitter contracts.

### Input Parameters

payoutRecipient: Address of the payout recipient

### Using setPNOPayoutRecipient function

```javascript theme={null}
await sdk.pno.setPNOPayoutRecipient(payoutRecipient);
```

### Return Parameters

Transaction details if the transaction was successful.

## reDelegateToPreferredNodeOperator function

Re-delegate K2 re-staked balance to a PNO using K2 LP balance.

### Input Parameters

pno: Address of the PNO\
amount: Restaked balance to be re-delegated

### Using reDelegateToPreferredNodeOperator function

```javascript theme={null}
await sdk.pno.reDelegateToPreferredNodeOperator(pno, amount);
```

### Return Parameters

Transaction details if the transaction was successful.

## removeRedelegation function

Remove the re-delegation given to a PNO by a K2 LP balance and obtain K2 LP back.

### Input Parameters

pno: Address of the PNO\
amount: Re-delegated amount to be obtained back

### Using removeRedelegation function

```javascript theme={null}
await sdk.pno.removeRedelegation(pno, amount);
```

### Return Parameters

Transaction details if the transaction was successful.

## reDelegateToPreferredNodeOperatorFromNativeDelegation function

Re-delegate K2 re-staked balance to a PNO using K2 native delegation balance.

### Input Parameters

pno: Address of the PNO\
amountToRedelegateInETH: Amount to be re-delegated in ETH

### Using reDelegateToPreferredNodeOperatorFromNativeDelegation function

```javascript theme={null}
await sdk.pno.reDelegateToPreferredNodeOperatorFromNativeDelegation(pno, amountToRedelegateInETH);
```

### Return Parameters

Transaction details if the transaction was successful.

## removeRedelegationFromNativeDelegation function

Remove re-delegation from a PNO that was given from a native delegation K2 balance.

### Input Parameters

pno: Address of the PNO\
amountToRedelegateInETH: Re-delegated amount to be obtained back

### Using removeRedelegationFromNativeDelegation function

```javascript theme={null}
await sdk.pno.removeRedelegationFromNativeDelegation(pno, amountToRedelegateInETH);
```

### Return Parameters

Transaction details if the transaction was successful.

## totalReDelegationsInETHToPNO function

Query function to get total re-delegations to PNO in ETH.

### Input Parameters

user: ETH address of the user\
pno: Address of the PNO

### Using totalReDelegationsInETHToPNO function

```javascript theme={null}
await sdk.pno.totalReDelegationsInETHToPNO(user, pno);
```

### Return Parameters

Returns the total re-delegated amount in bigint.

## totalReDelegationsInETHToPNOForTimestamp function

Query function to get total re-delegations to PNO in ETH for the given timestamp.

### Input Parameters

user: ETH address of the user\
pno: Address of the PNO\
timestamp: The timestamp value in string

### Using totalReDelegationsInETHToPNOForTimestamp function

```javascript theme={null}
await sdk.pno.totalReDelegationsInETHToPNOForTimestamp(user, pno, timestamp);
```

### Return Parameters

Returns the total re-delegated amount in bigint.

## isPreferredNodeOperator function

To check if the PNO is eligible to receive liquid re-delegations.

### Input Parameters

pno: Address of the PNO

### Using isPreferredNodeOperator function

```javascript theme={null}
await sdk.pno.isPreferredNodeOperator(pno);
```

### Return Parameters

Returns true if the PNO is eligible, else false.

## onNodeOperatorWithdraw function

Check the active re-delegations before allowing the node operator to remove their native delegation.

### Input Parameters

user: ETH address of the user.

### Using onNodeOperatorWithdraw function

```javascript theme={null}
await sdk.pno.onNodeOperatorWithdraw(user);
```

### Return Parameters

Transaction details if the transaction was successful.

## configureDesignatedVerifierAsKNetwork function

Allow a kNetwork to specify the public key of their PNO designated verifier for slashing.

### Input Parameters

designatedVerifier: Address of the PNO designated verifier

### Using configureDesignatedVerifierAsKNetwork function

```javascript theme={null}
await sdk.pno.configureDesignatedVerifierAsKNetwork(designatedVerifier);
```

### Return Parameters

Transaction details if the transaction was successful.

## slashPNO function

Slash the given PNO.

### Input Parameters

kNetwork: Address of the kNetwork\
reportIdentifier: Nonce for the report\
pno: Address of the PNO\
amount: The slash amount in string\
designatedVerifierSignature: List of verifier signatures of the format SignatureECDSAT (defined in the K2-SDK) for the respective BLS public keys\
deadline: Deadline for the validity of the signatures\
liquidDelegators: Array of all the liquid delegators

### Using slashPNO function

```javascript theme={null}
await sdk.pno.slashPNO(kNetwork, reportIdentifier, pno, amount, designatedVerifierSignature, deadline, liquidDelegators);
```

### Return Parameters

Transaction details if the transaction was successful.

## onSBPUpdatedLien function

Poke the Lien to allow it to check whether kNetwork is mapped to current SBP.

### Input Parameters

debtor: ETH address of the debtor

### Using onSBPUpdatedLien function

```javascript theme={null}
await sdk.pno.onSBPUpdatedLien(debtor);
```

### Return Parameters

Transaction details if the transaction was successful.

## isValidReport function

Check if the given report is valid.

### Input Parameters

kNetwork: Address of the kNetwork\
reportIdentifier: Nonce for the report\
pno: Address of the PNO\
amount: The slash amount in string\
designatedVerifierSignature: List of verifier signatures of the format SignatureECDSAT (defined in the K2-SDK) for the respective BLS public keys\
deadline: Deadline for the validity of the signatures

### Using isValidReport function

```javascript theme={null}
await sdk.pno.isValidReport(kNetwork, reportIdentifier, pno, amount, designatedVerifierSignature, deadline);
```

### Return Parameters

Return true if the report is valid, else false.

## reportTypedHash function

Get the typed hash of the given report.

### Input Parameters

kNetwork: Address of the kNetwork\
reportIdentifier: Nonce for the report\
pno: Address of the PNO\
amount: The slash amount in string\
deadline: Deadline for the validity of the signatures

### Using reportTypedHash function

```javascript theme={null}
await sdk.pno.reportTypedHash(currentRecipient);
```

### Return Parameters

Returns the 32-byte hash of the report.

## claimKETH function

This function allows claiming K2 yield on undelegated balance for liquid delegations to kNetworks.

### Using claimKETH function

```javascript theme={null}
await sdk.pno.claimKETH();
```

### Return Parameters

Transaction details if the transaction was successful.

## claimLockedKETH function

This functions allows a user with no more liquid delegations to claim any locked kETH.

### Using claimLockedKETH function

```javascript theme={null}
await sdk.pno.claimKETH();
```

### Return Parameters

Transaction details if the transaction was successful.