anchor/spl/src/token_interface.rs

use anchor_lang::solana_program::pubkey::Pubkey;
use std::ops::Deref;

static IDS: [Pubkey; 2] = [spl_token::ID, spl_token_2022::ID];

#[derive(Clone, Debug, Default, PartialEq)]
pub struct TokenAccount(spl_token_2022::state::Account);

impl anchor_lang::AccountDeserialize for TokenAccount {
    fn try_deserialize_unchecked(buf: &mut &[u8]) -> anchor_lang::Result<Self> {
        spl_token_2022::extension::StateWithExtensions::<spl_token_2022::state::Account>::unpack(
            buf,
        )
        .map(|t| TokenAccount(t.base))
        .map_err(Into::into)
    }
}

impl anchor_lang::AccountSerialize for TokenAccount {}

impl anchor_lang::Owners for TokenAccount {
    fn owners() -> &'static [Pubkey] {
        &IDS
    }
}

impl Deref for TokenAccount {
    type Target = spl_token_2022::state::Account;

    fn deref(&self) -> &Self::Target {
        &self.0
    }
}

#[derive(Clone, Debug, Default, PartialEq)]
pub struct Mint(spl_token_2022::state::Mint);

impl anchor_lang::AccountDeserialize for Mint {
    fn try_deserialize_unchecked(buf: &mut &[u8]) -> anchor_lang::Result<Self> {
        spl_token_2022::extension::StateWithExtensions::<spl_token_2022::state::Mint>::unpack(buf)
            .map(|t| Mint(t.base))
            .map_err(Into::into)
    }
}

impl anchor_lang::AccountSerialize for Mint {}

impl anchor_lang::Owners for Mint {
    fn owners() -> &'static [Pubkey] {
        &IDS
    }
}

impl Deref for Mint {
    type Target = spl_token_2022::state::Mint;

    fn deref(&self) -> &Self::Target {
        &self.0
    }
}

#[derive(Clone)]
pub struct TokenInterface;

impl anchor_lang::Ids for TokenInterface {
    fn ids() -> &'static [Pubkey] {
        &IDS
    }
}

pub use crate::token_2022::*;