use crate::pubkey::Pubkey;

#[derive(Serialize, Deserialize, Debug, Clone)]
pub enum SystemInstruction {
    /// Create a new account
    /// * Transaction::keys[0] - source
    /// * Transaction::keys[1] - new account key
    /// * tokens - number of tokens to transfer to the new account
    /// * space - memory to allocate if greater then zero
    /// * program_id - the program id of the new account
    CreateAccount {
        tokens: u64,
        space: u64,
        program_id: Pubkey,
    },
    /// Assign account to a program
    /// * Transaction::keys[0] - account to assign
    Assign { program_id: Pubkey },
    /// Move tokens
    /// * Transaction::keys[0] - source
    /// * Transaction::keys[1] - destination
    Move { tokens: u64 },

    /// Spawn a new program from an account
    Spawn,
}