92 lines
2.8 KiB
Rust
92 lines
2.8 KiB
Rust
/// Partial SPL Token declarations inlined to avoid an external dependency on the spl-token crate
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use solana_sdk::pubkey::{Pubkey, PUBKEY_BYTES};
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solana_sdk::declare_id!("TokenkegQfeZyiNwAJbNbGKPFXCWuBvf9Ss623VQ5DA");
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pub mod program_v3_4_0 {
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solana_sdk::declare_id!("NToK4t5AQzxPNpUA84DkxgfXaVDbDQQjpHKCqsbY46B");
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}
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/*
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spl_token::state::Account {
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mint: Pubkey,
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owner: Pubkey,
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amount: u64,
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delegate: COption<Pubkey>,
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state: AccountState,
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is_native: COption<u64>,
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delegated_amount: u64,
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close_authority: COption<Pubkey>,
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}
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*/
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pub const SPL_TOKEN_ACCOUNT_MINT_OFFSET: usize = 0;
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pub const SPL_TOKEN_ACCOUNT_OWNER_OFFSET: usize = 32;
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const SPL_TOKEN_ACCOUNT_LENGTH: usize = 165;
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pub trait GenericTokenAccount {
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fn valid_account_data(account_data: &[u8]) -> bool;
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// Call after account length has already been verified
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fn unpack_account_owner_unchecked(account_data: &[u8]) -> &Pubkey {
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Self::unpack_pubkey_unchecked(account_data, SPL_TOKEN_ACCOUNT_OWNER_OFFSET)
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}
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// Call after account length has already been verified
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fn unpack_account_mint_unchecked(account_data: &[u8]) -> &Pubkey {
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Self::unpack_pubkey_unchecked(account_data, SPL_TOKEN_ACCOUNT_MINT_OFFSET)
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}
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// Call after account length has already been verified
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fn unpack_pubkey_unchecked(account_data: &[u8], offset: usize) -> &Pubkey {
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bytemuck::from_bytes(&account_data[offset..offset + PUBKEY_BYTES])
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}
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fn unpack_account_owner(account_data: &[u8]) -> Option<&Pubkey> {
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if Self::valid_account_data(account_data) {
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Some(Self::unpack_account_owner_unchecked(account_data))
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} else {
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None
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}
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}
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fn unpack_account_mint(account_data: &[u8]) -> Option<&Pubkey> {
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if Self::valid_account_data(account_data) {
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Some(Self::unpack_account_mint_unchecked(account_data))
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} else {
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None
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}
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}
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}
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pub struct Account;
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impl Account {
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pub fn get_packed_len() -> usize {
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SPL_TOKEN_ACCOUNT_LENGTH
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}
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}
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impl GenericTokenAccount for Account {
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fn valid_account_data(account_data: &[u8]) -> bool {
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account_data.len() == SPL_TOKEN_ACCOUNT_LENGTH
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}
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}
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pub mod native_mint {
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solana_sdk::declare_id!("So11111111111111111111111111111111111111112");
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/*
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Mint {
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mint_authority: COption::None,
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supply: 0,
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decimals: 9,
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is_initialized: true,
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freeze_authority: COption::None,
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}
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*/
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pub const ACCOUNT_DATA: [u8; 82] = [
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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,
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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,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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];
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}
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