Files
solana/programs/bpf/rust/upgradeable/src/lib.rs
Justin Starry ec7536faf6 Add test to enforce that program id account info for CPI is optional (#22069)
* Update tests to demonstrate that program id account info for CPI is optional

* Clean up comments that say that program id account info is required
2021-12-24 00:43:15 +01:00

20 lines
514 B
Rust

//! Example Rust-based BPF upgradeable program
extern crate solana_program;
use solana_program::{
account_info::AccountInfo, entrypoint, entrypoint::ProgramResult, msg, pubkey::Pubkey,
sysvar::clock,
};
entrypoint!(process_instruction);
fn process_instruction(
_program_id: &Pubkey,
accounts: &[AccountInfo],
_instruction_data: &[u8],
) -> ProgramResult {
msg!("Upgradeable program");
assert_eq!(accounts.len(), 1);
assert_eq!(*accounts[0].key, clock::id());
Err(42.into())
}