authorizeChecked static method

TransactionInstruction authorizeChecked({ required Pubkey stakeAccount, required Pubkey authority, required Pubkey? custodian, required Pubkey newAuthority, required StakeAuthorize authorityType, })

Authorize a key to manage stake or withdrawal.

This instruction behaves like Authorize with the additional requirement that the new stake or withdraw authority must also be a signer.

Keys:

• [w] stakeAccount - Stake account to be updated.
• [s] authority - The stake or withdraw authority.
• [s] newAuthority - The new stake or withdraw authority.
• [s] custodian - Lockup authority if updating StakeAuthorize.withdrawer before lockup expiration.

Implementation

static TransactionInstruction authorizeChecked({
  // Keys
  required final Pubkey stakeAccount,
  required final Pubkey authority,
  required final Pubkey? custodian,
  // Data
  required final Pubkey newAuthority,
  required final StakeAuthorize authorityType,
}) {
  // 0. `[w]` Stake account to be updated
  // 1. `[]` Clock sysvar
  // 2. `[s]` The stake or withdraw authority
  // 3. `[s]` [newAuthority] - The new stake or withdraw authority.
  // 4. `[s]` Lockup authority if updating StakeAuthorize.withdrawer before lockup expiration.
  final List<AccountMeta> keys = [
    AccountMeta.writable(stakeAccount),
    AccountMeta(sysvarClockPubkey),
    AccountMeta.signer(authority),
    AccountMeta.signer(newAuthority),
    if (custodian != null)
      AccountMeta.signer(custodian)
  ];

  final List<Iterable<u8>> data = [
    borsh.enumeration(StakeAuthorize.values).encode(authorityType), [0,0,0], // padding
  ];

  return _instance.createTransactionIntruction(
    StakeInstruction.authorizeChecked,
    keys: keys,
    data: data,
  );
}