Daddy-s-Club

        token_2022::{            burn_checked, mint_to, transfer_checked, BurnChecked, MintTo, Token2022,            TransferChecked,        },        token_interface::{Mint, TokenAccount},    },}; #[derive(Accounts)]pub struct OpenPosition<'info> {    /// Seeds випуску містять `seq` і джерело, яких у цьому наборі немає, — але    /// перевіряти їх тут і не треба: `Account<Issue>` уже вимагає власника-нашу    /// програму й дискримінатор `Issue`, а такий акаунт з'являється лише з    /// `create_issue`. Підробити його поза програмою нічим.    pub issue: Account<'info, Issue>,     /// Ті самі seeds, що їх резолвить список гука: випуск і власник. Збіг    /// доводить `the_hook_resolves_to_the_ledger_this_instruction_creates`.    #[account(        init,        payer = payer,        space = 8 + HolderCheckpoint::INIT_SPACE,        seeds = [HOLDER_SEED, issue.key().as_ref(), owner.key().as_ref()],        bump,

1. Line 49 token_2022::{: Targets the Token-2022 program instead of the original Token Program.
2. Line 50 burn_checked, mint_to, transfer_checked, BurnChecked, MintTo, Token2022,: A checked token transfer, which also verifies the mint and decimals.
3. Line 50 burn_checked, mint_to, transfer_checked, BurnChecked, MintTo, Token2022,: Mints new tokens. The mint authority must sign.
4. Line 68 init,: Creates and pays for a new account. Space and payer must be specified.
5. Line 71 seeds = [HOLDER_SEED, issue.key().as_ref(), owner.key().as_ref()],: Declares the PDA seeds. Anchor re-derives the address and rejects the account if it doesn't match.
6. Line 72 bump,: Uses the bump seed, the extra byte that pushes the derived address off the ed25519 curve.

    /// чужого випуску в цей набір не сходиться.    #[account(has_one = bond_mint)]    pub issue: Box<Account<'info, Issue>>,     #[account(mut)]    pub seller: Signer<'info>,     /// Рахунок, з якого їде бонд. `token::authority` тут не зайвий попри    /// підпис: продати можна лише своє, а не те, на що виписано делегата.    #[account(mut, token::mint = bond_mint, token::authority = seller)]    pub seller_bond: Box<InterfaceAccount<'info, TokenAccount>>,     pub bond_mint: Box<InterfaceAccount<'info, Mint>>,     /// `nonce` у seeds — щоб у продавця могло стояти кілька оферт на один    /// випуск. Повторний `nonce` упирається в `init`.    #[account(        init,        payer = seller,        space = 8 + Offer::INIT_SPACE,        seeds = [OFFER_SEED, issue.key().as_ref(), seller.key().as_ref(), &nonce.to_le_bytes()],        bump,    )]    pub offer: Box<Account<'info, Offer>>,

1. Line 158 #[account(has_one = bond_mint)]: Checks that a stored pubkey field matches the passed account.
2. Line 162 pub seller: Signer<'info>,: Requires this account to have signed the transaction.
3. Line 174 init,: Creates and pays for a new account. Space and payer must be specified.
4. Line 177 seeds = [OFFER_SEED, issue.key().as_ref(), seller.key().as_ref(), &nonce.to_le_bytes()],: Declares the PDA seeds. Anchor re-derives the address and rejects the account if it doesn't match.
5. Line 178 bump,: Uses the bump seed, the extra byte that pushes the derived address off the ed25519 curve.

    },    anchor_lang::prelude::*,    anchor_spl::{        token_2022::{transfer_checked, Token2022, TransferChecked},        token_interface::{Mint, TokenAccount},    },}; #[derive(Accounts)]#[instruction(seq: u64)]pub struct RegisterSource<'info> {    #[account(seeds = [CONFIG_SEED], bump = config.bump)]    pub config: Account<'info, ProtocolConfig>,     /// Seeds містять підписанта, тому джерело в чужій namespace не створити.    #[account(        init,        payer = issuer,        space = 8 + RevenueSource::INIT_SPACE,        seeds = [SOURCE_SEED, issuer.key().as_ref(), &seq.to_le_bytes()],        bump,    )]    pub source: Account<'info, RevenueSource>,

1. Line 28 token_2022::{transfer_checked, Token2022, TransferChecked},: A checked token transfer, which also verifies the mint and decimals.
2. Line 28 token_2022::{transfer_checked, Token2022, TransferChecked},: Targets the Token-2022 program instead of the original Token Program.
3. Line 36 #[account(seeds = [CONFIG_SEED], bump = config.bump)]: Declares the PDA seeds. Anchor re-derives the address and rejects the account if it doesn't match.
4. Line 36 #[account(seeds = [CONFIG_SEED], bump = config.bump)]: Uses the bump seed, the extra byte that pushes the derived address off the ed25519 curve.
5. Line 41 init,: Creates and pays for a new account. Space and payer must be specified.

    /// меты), наповнює тіло інструкції, читає Token-2022.    #[account(        init,        payer = issuer,        space = ExtraAccountMetaList::size_of(EXTRA_ACCOUNT_METAS)?,        seeds = [EXTRA_METAS_SEED, bond_mint.key().as_ref()],        bump,    )]    pub extra_account_meta_list: UncheckedAccount<'info>,     pub token_program: Program<'info, Token2022>,     pub system_program: Program<'info, System>,     /// The issue the source backs right now — only when it is being replaced.    /// A free source passes the core's program id instead.    ///    /// Pinned to the source from both ends, as in `intercept`: `has_one` leads    /// from the issue to the source, `active_issue` back. A finished issue    /// cannot stand in for the live one — the ring will not close. It comes    /// last so that the accounts before it do not shift.    #[account(        mut,        has_one = source,

1. Line 303 init,: Creates and pays for a new account. Space and payer must be specified.
2. Line 306 seeds = [EXTRA_METAS_SEED, bond_mint.key().as_ref()],: Declares the PDA seeds. Anchor re-derives the address and rejects the account if it doesn't match.
3. Line 307 bump,: Uses the bump seed, the extra byte that pushes the derived address off the ed25519 curve.
4. Line 311 pub token_program: Program<'info, Token2022>,: Targets the Token-2022 program instead of the original Token Program.
5. Line 318 /// Pinned to the source from both ends, as in `intercept`: `has_one` leads: Checks that a stored pubkey field matches the passed account.