Files
solana/sdk/src/native_program.rs
2019-03-26 16:40:34 -07:00

32 lines
1.0 KiB
Rust

use crate::account::KeyedAccount;
use crate::instruction::InstructionError;
use crate::pubkey::Pubkey;
// All native programs export a symbol named process()
pub const ENTRYPOINT: &str = "process";
// Native program ENTRYPOINT prototype
pub type Entrypoint = unsafe extern "C" fn(
program_id: &Pubkey,
keyed_accounts: &mut [KeyedAccount],
data: &[u8],
tick_height: u64,
) -> Result<(), InstructionError>;
// Convenience macro to define the native program entrypoint. Supply a fn to this macro that
// conforms to the `Entrypoint` type signature.
#[macro_export]
macro_rules! solana_entrypoint(
($entrypoint:ident) => (
#[no_mangle]
pub extern "C" fn process(
program_id: &solana_sdk::pubkey::Pubkey,
keyed_accounts: &mut [solana_sdk::account::KeyedAccount],
data: &[u8],
tick_height: u64
) -> Result<(), solana_sdk::instruction::InstructionError> {
$entrypoint(program_id, keyed_accounts, data, tick_height)
}
)
);