orao_solana/lib.rs
use solana_program::{
account_info::AccountInfo, entrypoint, entrypoint::ProgramResult,
pubkey::Pubkey,
};
entrypoint!(process_instruction);
fn process_instruction(
_program_id: &Pubkey,
_accounts: &[AccountInfo],
_instruction_data: &[u8],
) -> ProgramResult {
todo!();
}