solana/sdk/src/program.rs

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2020-04-28 14:33:56 -07:00
#![cfg(feature = "program")]
use crate::{
account_info::AccountInfo, entrypoint::ProgramResult, entrypoint::SUCCESS,
instruction::Instruction,
};
/// Invoke a cross-program instruction
pub fn invoke(instruction: &Instruction, account_infos: &[AccountInfo]) -> ProgramResult {
invoke_signed(instruction, account_infos, &[])
}
/// Invoke a cross-program instruction with program signatures
pub fn invoke_signed(
instruction: &Instruction,
account_infos: &[AccountInfo],
signers_seeds: &[&[&str]],
) -> ProgramResult {
let result = unsafe {
sol_invoke_signed_rust(
instruction as *const _ as *const u8,
account_infos as *const _ as *const u8,
account_infos.len() as u64,
signers_seeds as *const _ as *const u8,
signers_seeds.len() as u64,
)
};
match result {
SUCCESS => Ok(()),
_ => Err(result.into()),
}
}
extern "C" {
fn sol_invoke_signed_rust(
instruction_addr: *const u8,
account_infos_addr: *const u8,
account_infos_len: u64,
signers_seeds_addr: *const u8,
signers_seeds_len: u64,
) -> u64;
}