solana/programs/ownable/src/ownable_instruction.rs

53 lines
1.4 KiB
Rust

use num_derive::{FromPrimitive, ToPrimitive};
use solana_sdk::{
instruction::{AccountMeta, Instruction},
program_utils::DecodeError,
pubkey::Pubkey,
system_instruction,
};
use thiserror::Error;
#[derive(Error, Debug, Clone, PartialEq, FromPrimitive, ToPrimitive)]
pub enum OwnableError {
#[error("incorrect error")]
IncorrectOwner,
}
impl<T> DecodeError<T> for OwnableError {
fn type_of() -> &'static str {
"OwnableError"
}
}
fn initialize_account(account_pubkey: &Pubkey, owner_pubkey: &Pubkey) -> Instruction {
let keys = vec![AccountMeta::new(*account_pubkey, false)];
Instruction::new(crate::id(), &owner_pubkey, keys)
}
pub fn create_account(
payer_pubkey: &Pubkey,
account_pubkey: &Pubkey,
owner_pubkey: &Pubkey,
lamports: u64,
) -> Vec<Instruction> {
let space = std::mem::size_of::<Pubkey>() as u64;
vec![
system_instruction::create_account(
&payer_pubkey,
account_pubkey,
lamports,
space,
&crate::id(),
),
initialize_account(account_pubkey, owner_pubkey),
]
}
pub fn set_owner(account_pubkey: &Pubkey, old_pubkey: &Pubkey, new_pubkey: &Pubkey) -> Instruction {
let keys = vec![
AccountMeta::new(*account_pubkey, false),
AccountMeta::new(*old_pubkey, true),
];
Instruction::new(crate::id(), &new_pubkey, keys)
}