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use solana_program::{
    program_memory::sol_memcmp,
    pubkey::{Pubkey, PUBKEY_BYTES},
};

pub fn cmp_pubkeys(a: &Pubkey, b: &Pubkey) -> bool {
    sol_memcmp(a.as_ref(), b.as_ref(), PUBKEY_BYTES) == 0
}

#[cfg(test)]
pub mod tests {
    use super::*;

    #[test]
    fn check_keys_equal() {
        let key1 = Pubkey::new_unique();
        assert!(cmp_pubkeys(&key1, &key1));
    }

    #[test]
    fn check_keys_not_equal() {
        let key1 = Pubkey::new_unique();
        let key2 = Pubkey::new_unique();
        assert!(!cmp_pubkeys(&key1, &key2));
    }
}