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Delegate Stake

After you have received VLX, you might consider putting it to use by delegating stake to a validator. Stake is what we call tokens in a stake account. Velas weights validator votes by the amount of stake delegated to them, which gives those validators more influence in determining then next valid block of transactions in the blockchain. Velas then generates new VLX periodically to reward stakers and validators. You earn more rewards the more stake you delegate.

Create a Stake Account​

To delegate stake, you will need to transfer some tokens into a stake account. To create an account, you will need a keypair. Its public key will be used as the stake account address. No need for a password or encryption here; this keypair will be discarded right after creating the stake account.

velas-keygen new --no-passphrase -o stake-account.json

The output will contain the public key after the text pubkey:.

pubkey: GKvqsuNcnwWqPzzuhLmGi4rzzh55FhJtGizkhHaEJqiV

Copy the public key and store it for safekeeping. You will need it any time you want to perform an action on the stake account you create next.

Now, create a stake account:

velas create-stake-account --from <KEYPAIR> stake-account.json <AMOUNT> \
    --stake-authority <KEYPAIR> --withdraw-authority <KEYPAIR> \
    --fee-payer <KEYPAIR>

<AMOUNT> tokens are transferred from the account at the "from" <KEYPAIR> to a new stake account at the public key of stake-account.json.

The stake-account.json file can now be discarded. To authorize additional actions, you will use the --stake-authority or --withdraw-authority keypair, not stake-account.json.

View the new stake account with the velas stake-account command:

velas stake-account <STAKE_ACCOUNT_ADDRESS>

The output will look similar to this:

Total Stake: 5000 VLX
Stake account is undelegated
Stake Authority: EXU95vqs93yPeCeAU7mPPu6HbRUmTFPEiGug9oCdvQ5F
Withdraw Authority: EXU95vqs93yPeCeAU7mPPu6HbRUmTFPEiGug9oCdvQ5F

Set Stake and Withdraw Authorities​

Stake and withdraw authorities can be set when creating an account via the --stake-authority and --withdraw-authority options, or afterward with the velas stake-authorize command. For example, to set a new stake authority, run:

velas stake-authorize <STAKE_ACCOUNT_ADDRESS> \
    --stake-authority <KEYPAIR> --new-stake-authority <PUBKEY> \
    --fee-payer <KEYPAIR>

This will use the existing stake authority <KEYPAIR> to authorize a new stake authority <PUBKEY> on the stake account <STAKE_ACCOUNT_ADDRESS>.

Advanced: Derive Stake Account Addresses​

When you delegate stake, you delegate all tokens in the stake account to a single validator. To delegate to multiple validators, you will need multiple stake accounts. Creating a new keypair for each account and managing those addresses can be cumbersome. Fortunately, you can derive stake addresses using the --seed option:

velas create-stake-account --from <KEYPAIR> <STAKE_ACCOUNT_KEYPAIR> --seed <STRING> <AMOUNT> \
    --stake-authority <PUBKEY> --withdraw-authority <PUBKEY> --fee-payer <KEYPAIR>

<STRING> is an arbitrary string up to 32 bytes, but will typically be a number corresponding to which derived account this is. The first account might be "0", then "1", and so on. The public key of <STAKE_ACCOUNT_KEYPAIR> acts as the base address. The command derives a new address from the base address and seed string. To see what stake address the command will derive, use velas create-address-with-seed:

velas create-address-with-seed --from <PUBKEY> <SEED_STRING> STAKE

<PUBKEY> is the public key of the <STAKE_ACCOUNT_KEYPAIR> passed to velas create-stake-account.

The command will output a derived address, which can be used for the <STAKE_ACCOUNT_ADDRESS> argument in staking operations.

Delegate Stake​

To delegate your stake to a validator, you will need its vote account address. Find it by querying the cluster for the list of all validators and their vote accounts with the velas validators command:

velas validators

The first column of each row contains the validator's identity and the second is the vote account address. Choose a validator and use its vote account address in velas delegate-stake:

velas delegate-stake --stake-authority <KEYPAIR> <STAKE_ACCOUNT_ADDRESS> <VOTE_ACCOUNT_ADDRESS> \
    --fee-payer <KEYPAIR>

The stake authority <KEYPAIR> authorizes the operation on the account with address <STAKE_ACCOUNT_ADDRESS>. The stake is delegated to the vote account with address <VOTE_ACCOUNT_ADDRESS>.

After delegating stake, use velas stake-account to observe the changes to the stake account:

velas stake-account <STAKE_ACCOUNT_ADDRESS>

You will see new fields "Delegated Stake" and "Delegated Vote Account Address" in the output. The output will look similar to this:

Total Stake: 5000 VLX
Credits Observed: 147462
Delegated Stake: 4999.99771712 VLX
Delegated Vote Account Address: CcaHc2L43ZWjwCHART3oZoJvHLAe9hzT2DJNUpBzoTN1
Stake activates starting from epoch: 42
Stake Authority: EXU95vqs93yPeCeAU7mPPu6HbRUmTFPEiGug9oCdvQ5F
Withdraw Authority: EXU95vqs93yPeCeAU7mPPu6HbRUmTFPEiGug9oCdvQ5F

Deactivate Stake​

Once delegated, you can undelegate stake with the velas deactivate-stake command:

velas deactivate-stake --stake-authority <KEYPAIR> <STAKE_ACCOUNT_ADDRESS> \
    --fee-payer <KEYPAIR>

The stake authority <KEYPAIR> authorizes the operation on the account with address <STAKE_ACCOUNT_ADDRESS>.

Note that stake takes several epochs to "cool down". Attempts to delegate stake in the cool down period will fail.

Withdraw Stake​

Transfer tokens out of a stake account with the velas withdraw-stake command:

velas withdraw-stake --withdraw-authority <KEYPAIR> <STAKE_ACCOUNT_ADDRESS> <RECIPIENT_ADDRESS> <AMOUNT> \
    --fee-payer <KEYPAIR>

<STAKE_ACCOUNT_ADDRESS> is the existing stake account, the stake authority <KEYPAIR> is the withdraw authority, and <AMOUNT> is the number of tokens to transfer to <RECIPIENT_ADDRESS>.

Split Stake​

You may want to delegate stake to additional validators while your existing stake is not eligible for withdrawal. It might not be eligible because it is currently staked, cooling down, or locked up. To transfer tokens from an existing stake account to a new one, use the velas split-stake command:

velas split-stake --stake-authority <KEYPAIR> <STAKE_ACCOUNT_ADDRESS> <NEW_STAKE_ACCOUNT_KEYPAIR> <AMOUNT> \
    --fee-payer <KEYPAIR>

<STAKE_ACCOUNT_ADDRESS> is the existing stake account, the stake authority <KEYPAIR> is the stake authority, <NEW_STAKE_ACCOUNT_KEYPAIR> is the keypair for the new account, and <AMOUNT> is the number of tokens to transfer to the new account.

To split a stake account into a derived account address, use the --seed option. See Derive Stake Account Addresses for details.