use solana_sdk::{ instruction::InstructionError, process_instruction::InvokeContext, pubkey::Pubkey, }; solana_sdk::declare_program!( "FaiLure111111111111111111111111111111111111", solana_failure_program, process_instruction ); fn process_instruction( _program_id: &Pubkey, _data: &[u8], _invoke_context: &mut dyn InvokeContext, ) -> Result<(), InstructionError> { Err(InstructionError::Custom(0)) }