schema.cddl

registration_cbor = {
  61284: key_registration,
  61285: registration_witness
}

$cip36_vote_pub_key /= bytes .size 32
$payment_address /= bytes
$nonce /= uint
$weight /= uint .size 4
$voting_purpose /= uint
legacy_key_registration = $cip36_vote_pub_key
delegation = [$cip36_vote_pub_key, $weight]

; May support other stake credentials in the future.
; Such additional credentials should be tagged at the CDDL/CBOR level
; so that parsing is not ambiguous and future proof.
; However, to avoid breaking changes, the simple key credential is
; left untagged.
$stake_credential /= $staking_pub_key
$stake_witness /= $ed25519_signature
; A stake key credential, not tagged for backward compatibility
$staking_pub_key /= bytes .size 32
; Witness for a stake key credential, not tagged for backward compatibility
$ed25519_signature /= bytes .size 64


key_registration = {
  1 : [+delegation] / legacy_key_registration,
  2 : $stake_credential,
  3 : $payment_address,
  4 : $nonce,
  ? 5 : $voting_purpose .default 0
}


registration_witness = {
  1 : $stake_witness
}


deregistration_cbor = {
  61286: key_deregistration,
  61285: deregistration_witness
}

key_deregistration = {
  1 : $stake_credential,
  2 : $nonce,
  ? 3 : $voting_purpose .default 0
}

deregistration_witness = {
  1 : $stake_witness
}