anchor/src/account_info.rs

42 lines
1.2 KiB
Rust

use crate::{Accounts, ToAccountInfo, ToAccountInfos, ToAccountMetas};
use solana_sdk::account_info::AccountInfo;
use solana_sdk::instruction::AccountMeta;
use solana_sdk::program_error::ProgramError;
use solana_sdk::pubkey::Pubkey;
impl<'info> Accounts<'info> for AccountInfo<'info> {
fn try_accounts(
_program_id: &Pubkey,
accounts: &mut &[AccountInfo<'info>],
) -> Result<Self, ProgramError> {
if accounts.len() == 0 {
return Err(ProgramError::NotEnoughAccountKeys);
}
let account = &accounts[0];
*accounts = &accounts[1..];
Ok(account.clone())
}
}
impl<'info> ToAccountMetas for AccountInfo<'info> {
fn to_account_metas(&self) -> Vec<AccountMeta> {
let meta = match self.is_writable {
false => AccountMeta::new_readonly(*self.key, self.is_signer),
true => AccountMeta::new(*self.key, self.is_signer),
};
vec![meta]
}
}
impl<'info> ToAccountInfos<'info> for AccountInfo<'info> {
fn to_account_infos(&self) -> Vec<AccountInfo<'info>> {
vec![self.clone()]
}
}
impl<'info> ToAccountInfo<'info> for AccountInfo<'info> {
fn to_account_info(&self) -> AccountInfo<'info> {
self.clone()
}
}