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use {
crate::{state::*, errors::ErrorCode},
anchor_lang::{prelude::*, solana_program::program::invoke_signed, AccountsClose},
anchor_spl::{token::{self, Token, TokenAccount, Mint, Transfer, ThawAccount, CloseAccount}},
mpl_token_metadata::{instruction::thaw_delegated_account, utils::{assert_derivation, assert_initialized}},
};
#[derive(Accounts)]
pub struct InvalidateCtx<'info> {
#[account(mut)]
token_manager: Box<Account<'info, TokenManager>>,
#[account(mut, constraint =
token_manager_token_account.owner == token_manager.key()
&& token_manager_token_account.mint == token_manager.mint
@ ErrorCode::InvalidTokenManagerTokenAccount
)]
token_manager_token_account: Box<Account<'info, TokenAccount>>,
#[account(mut, constraint = mint.key() == token_manager.mint @ ErrorCode::InvalidMint)]
mint: Box<Account<'info, Mint>>,
#[account(mut)]
recipient_token_account: Box<Account<'info, TokenAccount>>,
#[account(constraint = token_manager.invalidators.contains(&invalidator.key()) || recipient_token_account.owner == invalidator.key() @ ErrorCode::InvalidInvalidator)]
invalidator: Signer<'info>,
#[account(mut)]
collector: AccountInfo<'info>,
token_program: Program<'info, Token>,
}
pub fn handler<'key, 'accounts, 'remaining, 'info>(ctx: Context<'key, 'accounts, 'remaining, 'info, InvalidateCtx<'info>>) -> Result<()> {
let token_manager = &mut ctx.accounts.token_manager;
let remaining_accs = &mut ctx.remaining_accounts.iter();
let mint = token_manager.mint;
let token_manager_seeds = &[TOKEN_MANAGER_SEED.as_bytes(), mint.as_ref(), &[token_manager.bump]];
let token_manager_signer = &[&token_manager_seeds[..]];
if token_manager.state == TokenManagerState::Claimed as u8 {
if token_manager.kind == TokenManagerKind::Managed as u8 {
let mint_manager_info = next_account_info(remaining_accs)?;
let mut mint_manager = Account::<MintManager>::try_from(mint_manager_info)?;
mint_manager.token_managers -= 1;
let path = &[MINT_MANAGER_SEED.as_bytes(), mint.as_ref()];
let bump_seed = assert_derivation(ctx.program_id, mint_manager_info, path)?;
let mint_manager_seeds = &[MINT_MANAGER_SEED.as_bytes(), mint.as_ref(), &[bump_seed]];
let mint_manager_signer = &[&mint_manager_seeds[..]];
let cpi_accounts = ThawAccount {
account: ctx.accounts.recipient_token_account.to_account_info(),
mint: ctx.accounts.mint.to_account_info(),
authority: mint_manager_info.clone(),
};
let cpi_program = ctx.accounts.token_program.to_account_info();
let cpi_context = CpiContext::new(cpi_program, cpi_accounts).with_signer(mint_manager_signer);
token::thaw_account(cpi_context)?;
} else if token_manager.kind == TokenManagerKind::Edition as u8 {
let edition_info = next_account_info(remaining_accs)?;
let metadata_program = next_account_info(remaining_accs)?;
if metadata_program.key() != mpl_token_metadata::id() { return Err(error!(ErrorCode::InvalidMetadataProgramId)); }
invoke_signed(
&thaw_delegated_account(
*metadata_program.key,
token_manager.key(),
ctx.accounts.recipient_token_account.key(),
*edition_info.key,
ctx.accounts.mint.key(),
),
&vec![
token_manager.to_account_info(),
ctx.accounts.recipient_token_account.to_account_info(),
edition_info.to_account_info(),
ctx.accounts.mint.to_account_info(),
],
&[token_manager_seeds],
)?;
}
}
if token_manager.invalidation_type == InvalidationType::Return as u8 || token_manager.state == TokenManagerState::Issued as u8 {
let return_token_account_info = next_account_info(remaining_accs)?;
let return_token_account: spl_token::state::Account = assert_initialized(return_token_account_info)?;
if token_manager.receipt_mint == None {
if return_token_account.owner != token_manager.issuer { return Err(error!(ErrorCode::InvalidIssuerTokenAccount)); }
} else {
let receipt_token_account_info = next_account_info(remaining_accs)?;
let receipt_token_account: spl_token::state::Account = assert_initialized(receipt_token_account_info)?;
if !(receipt_token_account.mint == token_manager.receipt_mint.unwrap() && receipt_token_account.amount > 0) { return Err(error!(ErrorCode::InvalidReceiptMintAccount))}
if receipt_token_account.owner != return_token_account.owner { return Err(error!(ErrorCode::InvalidReceiptMintOwner)); }
}
let cpi_accounts = Transfer {
from: ctx.accounts.recipient_token_account.to_account_info(),
to: return_token_account_info.to_account_info(),
authority: token_manager.to_account_info(),
};
let cpi_program = ctx.accounts.token_program.to_account_info();
let cpi_context = CpiContext::new(cpi_program, cpi_accounts).with_signer(token_manager_signer);
token::transfer(cpi_context, token_manager.amount)?;
}
let cpi_accounts = CloseAccount {
account: ctx.accounts.token_manager_token_account.to_account_info(),
destination: ctx.accounts.collector.to_account_info(),
authority: token_manager.to_account_info(),
};
let cpi_program = ctx.accounts.token_program.to_account_info();
let cpi_context = CpiContext::new(cpi_program, cpi_accounts).with_signer(token_manager_signer);
token::close_account(cpi_context)?;
token_manager.state = TokenManagerState::Invalidated as u8;
token_manager.state_changed_at = Clock::get().unwrap().unix_timestamp;
if token_manager.invalidation_type != InvalidationType::Invalidate as u8 {
token_manager.close(ctx.accounts.collector.to_account_info())?;
}
return Ok(())
}
