solana_inline_spl/
token.rs

1/// Partial SPL Token declarations inlined to avoid an external dependency on the spl-token crate
2use solana_pubkey::{Pubkey, PUBKEY_BYTES};
3
4solana_pubkey::declare_id!("TokenkegQfeZyiNwAJbNbGKPFXCWuBvf9Ss623VQ5DA");
5
6pub mod program_v3_4_0 {
7    solana_pubkey::declare_id!("NToK4t5AQzxPNpUA84DkxgfXaVDbDQQjpHKCqsbY46B");
8}
9
10/*
11    spl_token::state::Account {
12        mint: Pubkey,
13        owner: Pubkey,
14        amount: u64,
15        delegate: COption<Pubkey>,
16        state: AccountState,
17        is_native: COption<u64>,
18        delegated_amount: u64,
19        close_authority: COption<Pubkey>,
20    }
21*/
22pub const SPL_TOKEN_ACCOUNT_MINT_OFFSET: usize = 0;
23pub const SPL_TOKEN_ACCOUNT_OWNER_OFFSET: usize = 32;
24const SPL_TOKEN_ACCOUNT_LENGTH: usize = 165;
25
26pub trait GenericTokenAccount {
27    fn valid_account_data(account_data: &[u8]) -> bool;
28
29    // Call after account length has already been verified
30    fn unpack_account_owner_unchecked(account_data: &[u8]) -> &Pubkey {
31        Self::unpack_pubkey_unchecked(account_data, SPL_TOKEN_ACCOUNT_OWNER_OFFSET)
32    }
33
34    // Call after account length has already been verified
35    fn unpack_account_mint_unchecked(account_data: &[u8]) -> &Pubkey {
36        Self::unpack_pubkey_unchecked(account_data, SPL_TOKEN_ACCOUNT_MINT_OFFSET)
37    }
38
39    // Call after account length has already been verified
40    fn unpack_pubkey_unchecked(account_data: &[u8], offset: usize) -> &Pubkey {
41        bytemuck::from_bytes(&account_data[offset..offset.wrapping_add(PUBKEY_BYTES)])
42    }
43
44    fn unpack_account_owner(account_data: &[u8]) -> Option<&Pubkey> {
45        if Self::valid_account_data(account_data) {
46            Some(Self::unpack_account_owner_unchecked(account_data))
47        } else {
48            None
49        }
50    }
51
52    fn unpack_account_mint(account_data: &[u8]) -> Option<&Pubkey> {
53        if Self::valid_account_data(account_data) {
54            Some(Self::unpack_account_mint_unchecked(account_data))
55        } else {
56            None
57        }
58    }
59}
60
61pub struct Account;
62impl Account {
63    pub fn get_packed_len() -> usize {
64        SPL_TOKEN_ACCOUNT_LENGTH
65    }
66}
67
68impl GenericTokenAccount for Account {
69    fn valid_account_data(account_data: &[u8]) -> bool {
70        account_data.len() == SPL_TOKEN_ACCOUNT_LENGTH
71    }
72}
73
74pub mod native_mint {
75    solana_pubkey::declare_id!("So11111111111111111111111111111111111111112");
76
77    /*
78        Mint {
79            mint_authority: COption::None,
80            supply: 0,
81            decimals: 9,
82            is_initialized: true,
83            freeze_authority: COption::None,
84        }
85    */
86    pub const ACCOUNT_DATA: [u8; 82] = [
87        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
88        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 9, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
89        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
90    ];
91}
solana_inline_spl/token.rs

solana_inline_spl/
token.rs
