anchor/spl/src/token.rs

432 lines
11 KiB
Rust

use anchor_lang::solana_program::account_info::AccountInfo;
use anchor_lang::solana_program::program_pack::Pack;
use anchor_lang::solana_program::pubkey::Pubkey;
use anchor_lang::{context::CpiContext, Accounts};
use anchor_lang::{solana_program, Result};
use std::ops::Deref;
pub use spl_token::ID;
pub fn transfer<'a, 'b, 'c, 'info>(
ctx: CpiContext<'a, 'b, 'c, 'info, Transfer<'info>>,
amount: u64,
) -> Result<()> {
let ix = spl_token::instruction::transfer(
&spl_token::ID,
ctx.accounts.from.key,
ctx.accounts.to.key,
ctx.accounts.authority.key,
&[],
amount,
)?;
solana_program::program::invoke_signed(
&ix,
&[
ctx.accounts.from.clone(),
ctx.accounts.to.clone(),
ctx.accounts.authority.clone(),
],
ctx.signer_seeds,
)
.map_err(Into::into)
}
pub fn mint_to<'a, 'b, 'c, 'info>(
ctx: CpiContext<'a, 'b, 'c, 'info, MintTo<'info>>,
amount: u64,
) -> Result<()> {
let ix = spl_token::instruction::mint_to(
&spl_token::ID,
ctx.accounts.mint.key,
ctx.accounts.to.key,
ctx.accounts.authority.key,
&[],
amount,
)?;
solana_program::program::invoke_signed(
&ix,
&[
ctx.accounts.to.clone(),
ctx.accounts.mint.clone(),
ctx.accounts.authority.clone(),
],
ctx.signer_seeds,
)
.map_err(Into::into)
}
pub fn burn<'a, 'b, 'c, 'info>(
ctx: CpiContext<'a, 'b, 'c, 'info, Burn<'info>>,
amount: u64,
) -> Result<()> {
let ix = spl_token::instruction::burn(
&spl_token::ID,
ctx.accounts.to.key,
ctx.accounts.mint.key,
ctx.accounts.authority.key,
&[],
amount,
)?;
solana_program::program::invoke_signed(
&ix,
&[
ctx.accounts.to.clone(),
ctx.accounts.mint.clone(),
ctx.accounts.authority.clone(),
],
ctx.signer_seeds,
)
.map_err(Into::into)
}
pub fn approve<'a, 'b, 'c, 'info>(
ctx: CpiContext<'a, 'b, 'c, 'info, Approve<'info>>,
amount: u64,
) -> Result<()> {
let ix = spl_token::instruction::approve(
&spl_token::ID,
ctx.accounts.to.key,
ctx.accounts.delegate.key,
ctx.accounts.authority.key,
&[],
amount,
)?;
solana_program::program::invoke_signed(
&ix,
&[
ctx.accounts.to.clone(),
ctx.accounts.delegate.clone(),
ctx.accounts.authority.clone(),
],
ctx.signer_seeds,
)
.map_err(Into::into)
}
pub fn revoke<'a, 'b, 'c, 'info>(ctx: CpiContext<'a, 'b, 'c, 'info, Revoke<'info>>) -> Result<()> {
let ix = spl_token::instruction::revoke(
&spl_token::ID,
ctx.accounts.source.key,
ctx.accounts.authority.key,
&[],
)?;
solana_program::program::invoke_signed(
&ix,
&[ctx.accounts.source.clone(), ctx.accounts.authority.clone()],
ctx.signer_seeds,
)
.map_err(Into::into)
}
pub fn initialize_account<'a, 'b, 'c, 'info>(
ctx: CpiContext<'a, 'b, 'c, 'info, InitializeAccount<'info>>,
) -> Result<()> {
let ix = spl_token::instruction::initialize_account(
&spl_token::ID,
ctx.accounts.account.key,
ctx.accounts.mint.key,
ctx.accounts.authority.key,
)?;
solana_program::program::invoke_signed(
&ix,
&[
ctx.accounts.account.clone(),
ctx.accounts.mint.clone(),
ctx.accounts.authority.clone(),
ctx.accounts.rent.clone(),
],
ctx.signer_seeds,
)
.map_err(Into::into)
}
pub fn close_account<'a, 'b, 'c, 'info>(
ctx: CpiContext<'a, 'b, 'c, 'info, CloseAccount<'info>>,
) -> Result<()> {
let ix = spl_token::instruction::close_account(
&spl_token::ID,
ctx.accounts.account.key,
ctx.accounts.destination.key,
ctx.accounts.authority.key,
&[], // TODO: support multisig
)?;
solana_program::program::invoke_signed(
&ix,
&[
ctx.accounts.account.clone(),
ctx.accounts.destination.clone(),
ctx.accounts.authority.clone(),
],
ctx.signer_seeds,
)
.map_err(Into::into)
}
pub fn freeze_account<'a, 'b, 'c, 'info>(
ctx: CpiContext<'a, 'b, 'c, 'info, FreezeAccount<'info>>,
) -> Result<()> {
let ix = spl_token::instruction::freeze_account(
&spl_token::ID,
ctx.accounts.account.key,
ctx.accounts.mint.key,
ctx.accounts.authority.key,
&[], // TODO: Support multisig signers.
)?;
solana_program::program::invoke_signed(
&ix,
&[
ctx.accounts.account.clone(),
ctx.accounts.mint.clone(),
ctx.accounts.authority.clone(),
],
ctx.signer_seeds,
)
.map_err(Into::into)
}
pub fn thaw_account<'a, 'b, 'c, 'info>(
ctx: CpiContext<'a, 'b, 'c, 'info, ThawAccount<'info>>,
) -> Result<()> {
let ix = spl_token::instruction::thaw_account(
&spl_token::ID,
ctx.accounts.account.key,
ctx.accounts.mint.key,
ctx.accounts.authority.key,
&[], // TODO: Support multisig signers.
)?;
solana_program::program::invoke_signed(
&ix,
&[
ctx.accounts.account.clone(),
ctx.accounts.mint.clone(),
ctx.accounts.authority.clone(),
],
ctx.signer_seeds,
)
.map_err(Into::into)
}
pub fn initialize_mint<'a, 'b, 'c, 'info>(
ctx: CpiContext<'a, 'b, 'c, 'info, InitializeMint<'info>>,
decimals: u8,
authority: &Pubkey,
freeze_authority: Option<&Pubkey>,
) -> Result<()> {
let ix = spl_token::instruction::initialize_mint(
&spl_token::ID,
ctx.accounts.mint.key,
authority,
freeze_authority,
decimals,
)?;
solana_program::program::invoke_signed(
&ix,
&[ctx.accounts.mint.clone(), ctx.accounts.rent.clone()],
ctx.signer_seeds,
)
.map_err(Into::into)
}
pub fn set_authority<'a, 'b, 'c, 'info>(
ctx: CpiContext<'a, 'b, 'c, 'info, SetAuthority<'info>>,
authority_type: spl_token::instruction::AuthorityType,
new_authority: Option<Pubkey>,
) -> Result<()> {
let mut spl_new_authority: Option<&Pubkey> = None;
if new_authority.is_some() {
spl_new_authority = new_authority.as_ref()
}
let ix = spl_token::instruction::set_authority(
&spl_token::ID,
ctx.accounts.account_or_mint.key,
spl_new_authority,
authority_type,
ctx.accounts.current_authority.key,
&[], // TODO: Support multisig signers.
)?;
solana_program::program::invoke_signed(
&ix,
&[
ctx.accounts.account_or_mint.clone(),
ctx.accounts.current_authority.clone(),
],
ctx.signer_seeds,
)
.map_err(Into::into)
}
#[derive(Accounts)]
pub struct Transfer<'info> {
pub from: AccountInfo<'info>,
pub to: AccountInfo<'info>,
pub authority: AccountInfo<'info>,
}
#[derive(Accounts)]
pub struct MintTo<'info> {
pub mint: AccountInfo<'info>,
pub to: AccountInfo<'info>,
pub authority: AccountInfo<'info>,
}
#[derive(Accounts)]
pub struct Burn<'info> {
pub mint: AccountInfo<'info>,
pub to: AccountInfo<'info>,
pub authority: AccountInfo<'info>,
}
#[derive(Accounts)]
pub struct Approve<'info> {
pub to: AccountInfo<'info>,
pub delegate: AccountInfo<'info>,
pub authority: AccountInfo<'info>,
}
#[derive(Accounts)]
pub struct Revoke<'info> {
pub source: AccountInfo<'info>,
pub authority: AccountInfo<'info>,
}
#[derive(Accounts)]
pub struct InitializeAccount<'info> {
pub account: AccountInfo<'info>,
pub mint: AccountInfo<'info>,
pub authority: AccountInfo<'info>,
pub rent: AccountInfo<'info>,
}
#[derive(Accounts)]
pub struct CloseAccount<'info> {
pub account: AccountInfo<'info>,
pub destination: AccountInfo<'info>,
pub authority: AccountInfo<'info>,
}
#[derive(Accounts)]
pub struct FreezeAccount<'info> {
pub account: AccountInfo<'info>,
pub mint: AccountInfo<'info>,
pub authority: AccountInfo<'info>,
}
#[derive(Accounts)]
pub struct ThawAccount<'info> {
pub account: AccountInfo<'info>,
pub mint: AccountInfo<'info>,
pub authority: AccountInfo<'info>,
}
#[derive(Accounts)]
pub struct InitializeMint<'info> {
pub mint: AccountInfo<'info>,
pub rent: AccountInfo<'info>,
}
#[derive(Accounts)]
pub struct SetAuthority<'info> {
pub current_authority: AccountInfo<'info>,
pub account_or_mint: AccountInfo<'info>,
}
#[derive(Clone)]
pub struct TokenAccount(spl_token::state::Account);
impl TokenAccount {
pub const LEN: usize = spl_token::state::Account::LEN;
}
impl anchor_lang::AccountDeserialize for TokenAccount {
fn try_deserialize_unchecked(buf: &mut &[u8]) -> anchor_lang::Result<Self> {
spl_token::state::Account::unpack(buf)
.map(TokenAccount)
.map_err(Into::into)
}
}
impl anchor_lang::AccountSerialize for TokenAccount {}
impl anchor_lang::Owner for TokenAccount {
fn owner() -> Pubkey {
ID
}
}
impl Deref for TokenAccount {
type Target = spl_token::state::Account;
fn deref(&self) -> &Self::Target {
&self.0
}
}
#[derive(Clone)]
pub struct Mint(spl_token::state::Mint);
impl Mint {
pub const LEN: usize = spl_token::state::Mint::LEN;
}
impl anchor_lang::AccountDeserialize for Mint {
fn try_deserialize_unchecked(buf: &mut &[u8]) -> anchor_lang::Result<Self> {
spl_token::state::Mint::unpack(buf)
.map(Mint)
.map_err(Into::into)
}
}
impl anchor_lang::AccountSerialize for Mint {}
impl anchor_lang::Owner for Mint {
fn owner() -> Pubkey {
ID
}
}
impl Deref for Mint {
type Target = spl_token::state::Mint;
fn deref(&self) -> &Self::Target {
&self.0
}
}
#[derive(Clone)]
pub struct Token;
impl anchor_lang::Id for Token {
fn id() -> Pubkey {
ID
}
}
// Field parsers to save compute. All account validation is assumed to be done
// outside of these methods.
pub mod accessor {
use super::*;
pub fn amount(account: &AccountInfo) -> Result<u64> {
let bytes = account.try_borrow_data()?;
let mut amount_bytes = [0u8; 8];
amount_bytes.copy_from_slice(&bytes[64..72]);
Ok(u64::from_le_bytes(amount_bytes))
}
pub fn mint(account: &AccountInfo) -> Result<Pubkey> {
let bytes = account.try_borrow_data()?;
let mut mint_bytes = [0u8; 32];
mint_bytes.copy_from_slice(&bytes[..32]);
Ok(Pubkey::new_from_array(mint_bytes))
}
pub fn authority(account: &AccountInfo) -> Result<Pubkey> {
let bytes = account.try_borrow_data()?;
let mut owner_bytes = [0u8; 32];
owner_bytes.copy_from_slice(&bytes[32..64]);
Ok(Pubkey::new_from_array(owner_bytes))
}
}