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How to Delegate with Locked FLOW


This document outlines the steps a token holder (TH) can take to delegate locked FLOW tokens to a node using the LockedTokens contract.

This guide covers delegation with locked FLOW tokens. A separate guide for unlocked tokens will be published at a later date.

Setup

Prerequisites

The token holder must configure their account to hold locked FLOW before they are able to complete the steps below. After this is complete, the LockedTokens.TokenHolder can be used to perform staking operations from the account.

Register as a Delegator

To register as a delegator, the token holder can use the Register Delegator (TH.17) transaction with the following arguments:

ArgumentTypeDescription
idStringThe ID of the node to delegate to.
amountUFix64The number of FLOW tokens to delegate.

This transaction registers the account as a delegator to the node ID they specified and attaches a NodeDelegatorProxy capability to the TokenHolder resource. This capability can later be used to perform delegation actions.

Once an account has registered as a delegator with one node, they cannot register with any others. For more information, see Delegate to Multiple Nodes from the Same Account below. This feature will be added in the future.

An account can use this transaction to register a different delegator that replaces the old delegator, but only if they have withdrawn ALL tokens for their old delegator from their record in the staking contract. If there are any tokens remaining, the re-registration will fail. This is because the registration overwrites the old one, which would revoke access to the tokens.


Delegate New Tokens

The token holder can delegate additional tokens after registering as a delegator.

Note: this transaction delegates additional tokens to the same node that was registered in the setup phase. It is currently not possible to delegate to multiple nodes from the same account.

To delegate new tokens via the NodeDelegatorProxy, the token holder can use the Delegate New Locked FLOW (TH.19) transaction with the following arguments:

ArgumentTypeDescription
amountUFix64The number of FLOW tokens to delegate.

Re-delegate Unstaked Tokens

After delegated tokens become unstaked, the token holder can choose to re-delegate the unstaked tokens to the same node.

To delegate unstaked tokens via the NodeDelegatorProxy, the token holder can use the Re-delegate Unstaked FLOW (TH.20) transaction with the following arguments:

ArgumentTypeDescription
amountUFix64The number of unstaked FLOW tokens to delegate.

Re-delegate Rewarded Tokens

After earning rewards from delegation, the token holder can choose to re-delegate the rewarded tokens to the same node.

To delegate rewarded tokens via the NodeDelegatorProxy, the token holder can use the Re-delegate Rewarded FLOW (TH.21) transaction with the following arguments:

ArgumentTypeDescription
amountUFix64The number of rewarded FLOW tokens to delegate.

Unstake Delegated Tokens

The token holder can submit a request to unstake their delegated tokens at any time. If the tokens aren't staked yet, they will be uncommitted and available to withdraw.

To unstake delegated tokens via the NodeDelegatorProxy, the token holder can use the Unstake Delegated FOW (TH.22) transaction with the following arguments:

ArgumentTypeDescription
amountUFix64The number of FLOW tokens to unstake.

Note: unstaked delegated tokens will be held by the central staking contract for a period of time (the rest of the current epoch plus all of the next epoch) before they are released to the token holder. Once the tokens are released (unstaked), they can be claimed via the Withdraw Unstaked Tokens action below.

Withdraw Unstaked Tokens

After delegated tokens become unstaked, the token holder can withdraw them from the central staking contract.

To withdraw unstaked tokens via the NodeDelegatorProxy, the token holder can use the Withdraw Unstaked FLOW (TH.23) transaction with the following arguments:

ArgumentTypeDescription
amountUFix64The number of unstaked FLOW tokens to withdraw.

This transaction moves the unstaked tokens back into the LockedTokens.TokenManager owned by the token holder.

Withdraw Rewarded Tokens

After earning rewards from delegation, the token holder can withdraw them from the central staking contract.

To withdraw rewarded tokens via the NodeDelegatorProxy, the token holder can use the Withdraw Rewarded FLOW (TH.24) transaction with the following arguments:

ArgumentTypeDescription
amountUFix64The number of rewarded FLOW tokens to withdraw.

This transaction moves the rewarded tokens back into the LockedTokens.TokenManager owned by the token holder. However, unlike unstaked tokens, rewards are unlocked FLOW and can be immediately withdrawn from the lockbox.

Query a Delegator Record

To return a struct with all the information associated with a delegator, anyone can use the Get Delegator Info (TH.21) script with the following arguments:

ArgumentTypeDescription
nodeIDStringThe 32 byte ID of the node of the delegator
nodeIDUInt8The ID of the delegator

This script returns a FlowIDTableStaking.DelegatorInfo struct.

Delegate to Multiple Nodes from the Same Account

Currently, the LockedTokens contract only supports token holders delegating to a single node.

If a token holder wants to create a second delegation relationship, they must create a new account and transfer their locked tokens to the new account by requesting authorization from the token admin.

We plan on adding functionality in the future to allow accounts to delegate to multiple nodes.

Stake from the Same Account

An account that registers as a delegator with locked FLOW can also register as a staked node in the same account. See the Locked Staking Guide for how to register a node.

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