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use crate::system_instruction_processor;
use solana_sdk::{
    clock::Epoch, entrypoint_native::ProcessInstruction, genesis_config::OperatingMode,
    pubkey::Pubkey, system_program,
};

pub struct BuiltinProgram {
    pub name: String,
    pub id: Pubkey,
    pub process_instruction: ProcessInstruction,
}
impl BuiltinProgram {
    pub fn new(name: &str, id: Pubkey, process_instruction: ProcessInstruction) -> Self {
        Self {
            name: name.to_string(),
            id,
            process_instruction,
        }
    }
}

/// All builtin programs that should be active at the given (operating_mode, epoch)
pub fn get_builtin_programs(_operating_mode: OperatingMode, _epoch: Epoch) -> Vec<BuiltinProgram> {
    vec![
        BuiltinProgram::new(
            "system_program",
            system_program::id(),
            system_instruction_processor::process_instruction,
        ),
        BuiltinProgram::new(
            "config_program",
            solana_config_program::id(),
            solana_config_program::config_processor::process_instruction,
        ),
        BuiltinProgram::new(
            "stake_program",
            solana_stake_program::id(),
            solana_stake_program::stake_instruction::process_instruction,
        ),
        BuiltinProgram::new(
            "vote_program",
            solana_vote_program::id(),
            solana_vote_program::vote_instruction::process_instruction,
        ),
    ]
}

/// Builtin programs that activate at the given (operating_mode, epoch)
pub fn get_epoch_activated_builtin_programs(
    _operating_mode: OperatingMode,
    _epoch: Epoch,
) -> Option<Vec<BuiltinProgram>> {
    None
}