solana/sdk/src/loader_instruction.rs

41 lines
1.2 KiB
Rust

use crate::instruction::{AccountMeta, Instruction};
use crate::pubkey::Pubkey;
#[derive(Serialize, Deserialize, Debug, PartialEq, Eq, Clone)]
pub enum LoaderInstruction {
/// Write program data into an account
///
/// * key[0] - the account to write into.
///
/// The transaction must be signed by key[0]
Write { offset: u32, bytes: Vec<u8> },
/// Finalize an account loaded with program data for execution.
/// The exact preparation steps is loader specific but on success the loader must set the executable
/// bit of the Account
///
/// * key[0] - the account to prepare for execution
///
/// The transaction must be signed by key[0]
Finalize,
}
pub fn write(
account_pubkey: &Pubkey,
program_id: &Pubkey,
offset: u32,
bytes: Vec<u8>,
) -> Instruction {
let account_metas = vec![AccountMeta::new(*account_pubkey, true)];
Instruction::new(
*program_id,
&LoaderInstruction::Write { offset, bytes },
account_metas,
)
}
pub fn finalize(account_pubkey: &Pubkey, program_id: &Pubkey) -> Instruction {
let account_metas = vec![AccountMeta::new(*account_pubkey, true)];
Instruction::new(*program_id, &LoaderInstruction::Finalize, account_metas)
}