solana/sdk/src/nonce_account.rs

38 lines
1016 B
Rust

use crate::{
account::Account,
account_utils::StateMut,
fee_calculator::FeeCalculator,
hash::Hash,
nonce::{state::Versions, State},
};
use std::cell::RefCell;
pub fn create_account(lamports: u64) -> RefCell<Account> {
RefCell::new(
Account::new_data_with_space(
lamports,
&Versions::new_current(State::Uninitialized),
State::size(),
&crate::system_program::id(),
)
.expect("nonce_account"),
)
}
pub fn verify_nonce_account(acc: &Account, hash: &Hash) -> bool {
match StateMut::<Versions>::state(acc).map(|v| v.convert_to_current()) {
Ok(State::Initialized(ref data)) => *hash == data.blockhash,
_ => false,
}
}
pub fn fee_calculator_of(account: &Account) -> Option<FeeCalculator> {
let state = StateMut::<Versions>::state(account)
.ok()?
.convert_to_current();
match state {
State::Initialized(data) => Some(data.fee_calculator),
_ => None,
}
}