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/// Number of bytes in a pubkey
pub const PUBKEY_BYTES: usize = 32;
/// maximum length of derived `Pubkey` seed
// pub const MAX_SEED_LEN: usize = 32;
// /// Maximum number of seeds
// pub const MAX_SEEDS: usize = 16;
// /// Maximum string length of a base58 encoded pubkey
// const MAX_BASE58_LEN: usize = 44;
//
// const PDA_MARKER: &[u8; 21] = b"ProgramDerivedAddress";

#[derive(Clone, Copy, Debug, PartialEq)]
pub struct Pubkey(pub(crate) [u8; 32]);

impl Pubkey{
    pub fn to_bytes(self) -> [u8; 32] {
        self.0
    }
}

impl AsRef<[u8]> for Pubkey {
    fn as_ref(&self) -> &[u8] {
        &self.0[..]
    }
}

impl From<[u8; 32]> for Pubkey {
    #[inline]
    fn from(from: [u8; 32]) -> Self {
        Self(from)
    }
}

impl TryFrom<&[u8]> for Pubkey {
    type Error = std::array::TryFromSliceError;

    #[inline]
    fn try_from(pubkey: &[u8]) -> Result<Self, Self::Error> {
        <[u8; 32]>::try_from(pubkey).map(Self::from)
    }
}

impl TryFrom<Vec<u8>> for Pubkey {
    type Error = Vec<u8>;

    #[inline]
    fn try_from(pubkey: Vec<u8>) -> Result<Self, Self::Error> {
        <[u8; 32]>::try_from(pubkey).map(Self::from)
    }
}