dlp_api/instruction_builder/
undelegate.rs

1use dlp::{
2    discriminator::DlpDiscriminator,
3    pda::{
4        commit_record_pda_from_delegated_account,
5        commit_state_pda_from_delegated_account,
6        delegation_metadata_pda_from_delegated_account,
7        delegation_record_pda_from_delegated_account, fees_vault_pda,
8        undelegate_buffer_pda_from_delegated_account,
9        validator_fees_vault_pda_from_validator,
10    },
11    total_size_budget, AccountSizeClass, DLP_PROGRAM_DATA_SIZE_CLASS,
12};
13use solana_program::{
14    instruction::{AccountMeta, Instruction},
15    pubkey::Pubkey,
16    system_program,
17};
18
19/// Builds an undelegate instruction.
20/// See [dlp::processor::process_undelegate] for docs.
21#[allow(clippy::too_many_arguments)]
22pub fn undelegate(
23    validator: Pubkey,
24    delegated_account: Pubkey,
25    owner_program: Pubkey,
26    rent_reimbursement: Pubkey,
27) -> Instruction {
28    let undelegate_buffer_pda =
29        undelegate_buffer_pda_from_delegated_account(&delegated_account);
30    let commit_state_pda =
31        commit_state_pda_from_delegated_account(&delegated_account);
32    let commit_record_pda =
33        commit_record_pda_from_delegated_account(&delegated_account);
34    let delegation_record_pda =
35        delegation_record_pda_from_delegated_account(&delegated_account);
36    let delegation_metadata_pda =
37        delegation_metadata_pda_from_delegated_account(&delegated_account);
38    let fees_vault_pda = fees_vault_pda();
39    let validator_fees_vault_pda =
40        validator_fees_vault_pda_from_validator(&validator);
41    Instruction {
42        program_id: dlp::id(),
43        accounts: vec![
44            AccountMeta::new(validator, true),
45            AccountMeta::new(delegated_account, false),
46            AccountMeta::new_readonly(owner_program, false),
47            AccountMeta::new(undelegate_buffer_pda, false),
48            AccountMeta::new_readonly(commit_state_pda, false),
49            AccountMeta::new_readonly(commit_record_pda, false),
50            AccountMeta::new(delegation_record_pda, false),
51            AccountMeta::new(delegation_metadata_pda, false),
52            AccountMeta::new(rent_reimbursement, false),
53            AccountMeta::new(fees_vault_pda, false),
54            AccountMeta::new(validator_fees_vault_pda, false),
55            AccountMeta::new_readonly(system_program::id(), false),
56        ],
57        data: DlpDiscriminator::Undelegate.to_vec(),
58    }
59}
60
61///
62/// Returns accounts-data-size budget for undelegate instruction.
63///
64/// This value can be used with ComputeBudgetInstruction::SetLoadedAccountsDataSizeLimit
65///
66pub fn undelegate_size_budget(delegated_account: AccountSizeClass) -> u32 {
67    total_size_budget(&[
68        DLP_PROGRAM_DATA_SIZE_CLASS,
69        AccountSizeClass::Tiny, // validator
70        delegated_account,      // delegated_account
71        AccountSizeClass::Tiny, // owner_program
72        delegated_account,      // undelegate_buffer_pda
73        delegated_account,      // commit_state_pda
74        AccountSizeClass::Tiny, // commit_record_pda
75        AccountSizeClass::Tiny, // delegation_record_pda
76        AccountSizeClass::Tiny, // delegation_metadata_pda
77        AccountSizeClass::Tiny, // rent_reimbursement
78        AccountSizeClass::Tiny, // fees_vault_pda
79        AccountSizeClass::Tiny, // validator_fees_vault_pda
80        AccountSizeClass::Tiny, // system_program
81    ])
82}
dlp_api/instruction_builder/undelegate.rs

dlp_api/instruction_builder/
undelegate.rs
