solana_stake_program/
config.rs

1//! config for staking
2//!  carries variables that the stake program cares about
3#[deprecated(
4    since = "1.8.0",
5    note = "Please use `solana_stake_interface::config` instead"
6)]
7pub use solana_stake_interface::config::*;
8use {
9    bincode::{deserialize, serialize},
10    solana_account::{Account, AccountSharedData, ReadableAccount, WritableAccount},
11    solana_config_program_client::{get_config_data, ConfigKeys},
12    solana_genesis_config::GenesisConfig,
13    solana_pubkey::Pubkey,
14    solana_transaction_context::BorrowedAccount,
15};
16
17#[allow(deprecated)]
18fn create_config_account(
19    keys: Vec<(Pubkey, bool)>,
20    config_data: &Config,
21    lamports: u64,
22) -> AccountSharedData {
23    let mut data = serialize(&ConfigKeys { keys }).unwrap();
24    data.extend_from_slice(&serialize(config_data).unwrap());
25    AccountSharedData::from(Account {
26        lamports,
27        data,
28        owner: solana_sdk_ids::config::id(),
29        ..Account::default()
30    })
31}
32
33#[allow(deprecated)]
34pub fn from(account: &BorrowedAccount) -> Option<Config> {
35    get_config_data(account.get_data())
36        .ok()
37        .and_then(|data| deserialize(data).ok())
38}
39
40#[allow(deprecated)]
41pub fn create_account(lamports: u64, config: &Config) -> AccountSharedData {
42    create_config_account(vec![], config, lamports)
43}
44
45#[allow(deprecated)]
46pub fn add_genesis_account(genesis_config: &mut GenesisConfig) -> u64 {
47    let mut account = create_config_account(vec![], &Config::default(), 0);
48    let lamports = std::cmp::max(genesis_config.rent.minimum_balance(account.data().len()), 1);
49
50    account.set_lamports(lamports);
51
52    genesis_config.add_account(solana_stake_interface::config::id(), account);
53
54    lamports
55}
solana_stake_program/config.rs

solana_stake_program/
config.rs
