52 lines
1.4 KiB
Rust
52 lines
1.4 KiB
Rust
use crate::{
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instruction::{AccountMeta, Instruction},
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pubkey::Pubkey,
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sysvar::rent,
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};
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#[derive(Serialize, Deserialize, Debug, PartialEq, Eq, Clone)]
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pub enum LoaderInstruction {
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/// Write program data into an account
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///
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/// * key[0] - the account to write into.
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///
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/// The transaction must be signed by key[0]
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Write {
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offset: u32,
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#[serde(with = "serde_bytes")]
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bytes: Vec<u8>,
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},
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/// Finalize an account loaded with program data for execution.
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/// The exact preparation steps is loader specific but on success the loader must set the executable
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/// bit of the Account
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///
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/// * key[0] - the account to prepare for execution
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/// * key[1] - rent sysvar account
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///
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/// The transaction must be signed by key[0]
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Finalize,
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}
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pub fn write(
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account_pubkey: &Pubkey,
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program_id: &Pubkey,
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offset: u32,
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bytes: Vec<u8>,
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) -> Instruction {
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let account_metas = vec![AccountMeta::new(*account_pubkey, true)];
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Instruction::new(
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*program_id,
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&LoaderInstruction::Write { offset, bytes },
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account_metas,
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)
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}
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pub fn finalize(account_pubkey: &Pubkey, program_id: &Pubkey) -> Instruction {
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let account_metas = vec![
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AccountMeta::new(*account_pubkey, true),
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AccountMeta::new(rent::id(), false),
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];
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Instruction::new(*program_id, &LoaderInstruction::Finalize, account_metas)
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}
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