Технічний посібник: Підтвердження резервів Gate.io на основі zkSNARK

Розширений12/11/2023, 4:41:28 PM
Як одна з перших бірж, що впроваджує Proof of Reserve, Gate.io ще раз покращує своє рішення Proof-of-Reserves за допомогою технології zk-SNARK. Ця стаття покаже вам, як використовувати відкриту технологію, надану Gate.io, для перевірки безпеки ваших активів на біржі та особистих активів на власному пристрої.

Вступ

З 13 мільйонами користувачів, Gate.ioрозуміє важливість безпеки коштів та вживає ефективні заходи в галузі. Gate.ioGate.io є однією з перших бірж, яка реалізувала Підтвердження резервів (PoR), що було розкрито в травні 2020 року. Це стало відомо лише після кризи ліквідності та банкрутства, спричинених FTX незаконним використанням активів користувачів у 2022 році, коли PoR став відомим як рішення для захисту коштів користувачів та підвищення довіри до платформи. Недавно,Gate.ioоголосила про оновлення свого рішення PoR, вводячи технологію zk-SNARK та дерево Меркля для підвищення безпеки активів та захисту конфіденційності.

Ця стаття розкаже вам про процес розробки Gate.io‘s Підтвердження резервів, крок за кроком, щоб реплікувати процес побудови Підтвердження резервів біржі на власному пристрої.

Фон

Дерево Меркла - це двійкове дерево хеш-значень, де кожен листовий вузол представляє фрагмент даних або хеш даних. Він використовується для ефективної перевірки цілісності великого обсягу даних. У минулому поширене рішення з підтвердженням резерву включало шифрування даних користувача та створення дерева Меркла. Однак цей підхід мав обмеження, оскільки він не міг виявити облікові записи з від'ємною вартістю (значення облікових записів має бути більшим або дорівнювати 0) і не міг повністю захистити конфіденційність користувачів.

zk-SNARK - потужна криптографічна технологія. У цьому рішенні ми розміщуємо всі депозити користувачів в дереві Меркля і використовуємо zk-SNARK, щоб довести, що всі баланси в дереві є невід'ємними і сумуються до заявленої вартості. Якщо публічно оприлюднені активи на біржі перевищують цю вартість, можна довести, що біржа має 100% здатність до повернення.

Поєднуючи zk-SNARK з деревом Меркля, ми можемо одночасно перевіряти цілісність та послідовність даних, захищаючи конфіденційність транзакцій. Доказуючі можуть використовувати zk-SNARK, щоб довести, що вони знають доказ Меркля, який задовольняє певні умови, не розкриваючи конкретного вмісту доказу. Це корисно для криптовалютних бірж, оскільки це може продемонструвати достатні кошти для виплати всіх зобов'язань та захистити конфіденційність користувачів.

Структура програми

Текст - схема #схема дизайну - клієнт #команда - конфіг #файл конфігурації - глобальний #глобальна змінна - сервіс - keygen_service #сервіс для генерації zk ключів - prover_service #сервіс для генерації даних доведення - tool_service #загальні інструменти - userproff_service #генерація даних користувача - verify_service #сервіс верифікації - witness_service #сервіс для генерації даних свідка - utils #колекція загальних функцій

Підготовка

Встановити базу даних

  1. Mysql: Зберігайте докази, доказ користувача та свідків
Звичайний запуск докера -d --name zk-mysql -p 3306:3306 -e MYSQL_USER=zkroot -e MYSQL_PASSWORD=zkpasswd -e MYSQL_DATABASE=zkpos  -e MYSQL_ROOT_PASSWORD=zkpasswd mysql
  1. Redis: Розподілений замок

    Plaintextdocker run -d --name zk-redis -p 6379:6379 redis
  2. Kvrocks: Зберігайте дерево облікових записів користувачів

    Звичайний текстdocker run -d --name zk-kvrocks -p 6666:6666 apache/kvrocks
  3. Якщо підключення до kvrocks не вдається після встановлення: \
    План 1: Ви можете спробувати змінити файл /var/lib/kvrocks/kvrocks.conf всередині контейнера Docker. Змініть його наприв'язати 0.0.0.0 та перезапустіть екземпляр. \
    План 2: Встановіть сервіс за допомогою вихідний код.

Встановіть середовище Go

Для компіляції програми потрібно встановити середовище мови програмування Go. Ви можете встановити його відповідно до версії вашої системи.Завантажити Go.

Експорт даних користувача біржі активів

Структура даних, експортованих користувачем біржі активів.csv, виглядає наступним чином:

Звичайний текст- rn    #послідовність- id    #унікальний ідентифікатор користувача на біржі- e_xtoken   #еквіті користувача xtoken, такий як e_BTC- d_xtoken   #борг користувача xtoken, такий як d_BTC- x_token     #чиста вартість активів користувача, x_token = e_xtoken - d_xtoken- xtoken_usdt_price   #ціна xtoken- total_net_balance_usdt    #загальна вартість всіх токенів в USDT

Ви можете звертатися до./example_data/example_users.csvдля конкретних деталей.

Рекомендована конфігурація системи

Рекомендована мінімальна конфігурація для виробничого середовища така:

  • 128 ГБ пам'яті
  • 32-ядерна віртуальна машина
  • 50 ГБ дискового простору

Файл конфігурації

При генерації zk ключів в виробничому середовищі рекомендується встановити змінну пакета на 864, що вказує, скільки користувачів може бути створено за один раз. Чим більше значення, тим довше займає генерація zk ключів та доказів. При встановленні на 864 генерація zk ключів займає приблизно 6 годин на віртуальній машині з 128 ГБ пам'яті та 32 ядрами, а створення пакету zk доказів займає 105 секунд.

Таким чином, під час етапу налагодження ви можете змінити utils/constants.goуПартіяСтворитиОпераціїКількостіКористувачів до 4і потім знову скомпілювати. Однак рекомендується встановити цей параметр на864у фактичному виробництві.

Якщо вам потрібно змінити партію, файли конфігурації, які потрібно змінити, є:

  • Змініть ./config/config.json
    "ZkKeyName": "./zkpor864" => "ZkKeyName": "./zkpor4"
  • Змініть ./config/cex_config.json
    "ZkKeyVKDirectoryAndPrefix": "./zkpor864" => "ZkKeyVKDirectoryAndPrefix": "./zkpor4"
  • Змініть ./utils/constants.go
    BatchCreateUserOpsCounts = 864 => BatchCreateUserOpsCounts = 4

Налаштування криптовалюти

  • Змінити ./utils/constants.go

Криптовалюта Лічильники

AssetCounts = 350 => AssetCounts = Required Counts

AssetCounts представляє кількість типів токенів, включених у біржу, і фактична кількість не повинна бути меншою за налаштоване значення. Наприклад, якщо насправді є 420 токенів, їх можна змінити на 500. З урахуванням використання пам'яті рекомендується встановити розумне значення на основі ситуації.

Точність ціни

ТипАктивуДляДвохЦифрЦе поле є точністю ціни 10^2 для активів, таких як BTTC, SHIB, LUNC, XEC, WIN, BIDR, SPELL, HOT та DOGE. За замовчуванням точність ціни для решти складає 10^8.

Налаштування конфігурації свідка

Свідок генерує свідків для довідника та користувача. Конфігурація для config.json виглядає наступним чином:

Plaintext{  "MysqlDataSource" : "zkroot:zkpasswd@tcp(127.0.0.1:3306)/zkpos?parseTime=true",    "DbSuffix": "202307",  "UserDataFile": "./example_data/",  "TreeDB": {    "Driver": "redis",    "Option": {      "Addr": "127.0.0.1:6666"    }  },  "Redis": {    "Host": "127.0.0.1:6379",    "Type": "node"  },  "ZkKeyName": "./zkpor864"}
  • MysqlDataSourceПідключення до бази даних MySQL
  • DbSuffix: Створений суфікс таблиці Mysql. Наприклад, якщо ви введете час 202307, він створить witness202307, ви повинні модифікувати його кожен раз, коли він створюється.
  • UserDataFile: Каталог файлів активів користувача, експортованих з біржі, програма буде читати всі CSV файли в цьому каталозі.
  • TreeDB : конфігурація, пов'язана з kvrocks
  • Redisконфігурація, пов'язана з Redis
  • ZkKeyNameКаталог, де знаходиться ключ zk та префікс, наприклад, zkpor864, буде відповідати всім файлам з префіксом zkpor864.*, які є пов'язаними.
    Поле DbSuffix є суфіксом таблиці і повинно бути змінене кожен раз. Якщо воно генерується один раз на місяць, його також можна встановити відповідно до часу, наприклад, 202306, 202307.

Запуск програми

Завантажте проект на свій локальний комп'ютер та почніть компілювати програму.

Компіляція програми

Звичайний текст збудувати

Якщо ви використовуєтеMacі потрібно скомпілювати бінарні файли для інших платформ, ви можете виконати наступні команди:

  • Для компіляції для Linux на Mac: Make build-linux
  • Для компіляції для Windows на Mac: створити build-windows

Генерація ключів

Звичайний текст./головний генератор ключів

Після завершення служба генерації ключів згенерує кілька файлів ключів в поточному каталозі, як показано нижче:

zkpor864.ccs.ct.save \\
zkpor864.ccs.save \
zkpor864.pk.A.save \
zkpor864.pk.B1.save \
zkpor864.pk.B2.save \
zkpor864.pk.E.save \
zkpor864.pk.K.save \
zkpor864.vk.save \
zkpor864.pk.Z.save

Якщо партія встановлена на 4, то будеzkpor4.*.save.

Цей крок займає довгий час для запуску. При встановленні значення 4 він займає приблизно декілька хвилин для завершення; якщо встановлено значення 864, це може зайняти кілька годин.

Примітка:

  • Ключ, згенерований./main keygenкоманда може використовуватися протягом тривалого часу. Якщо вам потрібно буде згенерувати дані перевірки активів наступного місяця, ключ zk все ще буде дійсним.
  • The zkpor864.vk.saveфайл буде потрібно для майбутньої перевірки користувача, тому рекомендується резервне копіювання та правильне збереження цього пакету zk ключів.

Очищення історичних даних kvrocks

Якщо програма була виконана раніше, перед повторним запуском потрібно очистити дані ключа merkle облікового запису, які існують в kvrocks, тому що кожен раз потрібно генерувати інше дерево облікових записів.

Звичайний текст./основний інструмент clean_kvrocks

Примітка: Ця команда використовується для очищення всіх даних в kvrocks, тому не діліться тим самим kvrocks з іншими програмами. Почекайте, доки завершиться попереднє очищення даних, перш ніж починати генерацію підтвердження.

Запуск служби свідка

Звичайний текст./головний свідок

Після завершення виконання у базі даних Mysql буде створена таблиця з суфіксом «свідок» (на основіDbSuffixуconfig.json). Таблиця міститиме пакетні дані підтвердження свідків, які будуть використані при подальшій генерації доказу zk та доказу користувача.

Генерація доказу zk

Служба Prover використовується для генерування zk-доказів і підтримує паралельне виконання. Вона читає свідчення з таблиці свідчень у MySQL.

Виконайте наступну команду для генерації даних доведення zk:

Звичайний текст./головний підтверджувач

_Ця команда підтримує паралельне виконання. Вам потрібно скопіювати основний файл та пов'язані файли, такі як zkpor864, на інші машини і переконатися, що вони єconfig.json .

Ви можете виконати наступну команду, щоб перевірити статус виконання:

Звичайний текст./основний інструмент check_prover_status

Виконання завершиться і поверне:

Чистий текст Загальна кількість свідків 50, Опублікованих елементів 0, Очікуючий елемент 0, Завершений елемент 50

Переконайтеся, що всі елементи свідків перебувають у закінченому стані, що свідчить про те, що доведення завершило виконання.

_Після виконання служби підтвердження, додаткова таблиця з суфіксом “proof” (на основі DbSuffixуconfig.jsonТаблиця буде створена в базі даних Mysql. Дані в цій таблиці призначені для публічного доступу користувачам, що дозволить їм перевірити активи біржі у наступному процесі перевірки. Деталі будуть пояснені далі в розділі перевірки нижче.

Створення доказу користувача

Сервіс userproof використовується для генерації та збереження доказів користувача Меркл.

Для генерації даних користувача запустіть наступну команду:

Звичайний текст./основний користувач

Продуктивність: Генерує приблизно 10k доказів користувача за секунду в віртуальній машині з пам'яттю 128 ГБ та 32 ядрами.

Після запуску команди userproof створиться таблиця з назвою userproof+суфікс (на основі DbSuffixвconfig.json) буде створена в базі даних MySQL. Ця таблиця містить інформацію про активи користувача і може бути використана для налаштування дозволів за потреби. Цю таблицю потрібно буде зробити доступною для визначених користувачів для завантаження, щоб перевірити їх власні активи на рахунку. Додаткові подробиці будуть надані в наступному розділі верифікації.

Надання даних для підтвердження

Тут нам потрібно надати користувачам два типи підтвердження:

  • Верифікація активів біржі
  • Верифікація власних активів користувача
    Нам потрібно заздалегідь скомпілювати виконувані бінарні файли для різних середовищ (Mac, Ubuntu, Windows) та надати їх для завантаження користувачам. Ви можете звернутися до доданогоВипускдля отримання додаткової інформації.

Підтвердження даних та формату активів біржі

Для перевірки активів обміну, окрім надання користувачам двійкового файлу, потрібно надати наступні три конфігураційні дані:

  1. Завантажитиproof.csv \\
    Ми експортуємо раніше згенеровану таблицю підтвердження у вигляді файлу CSV (включаючи заголовок) заздалегідь, наприклад, proof202307.csv, і надаємо її користувачу для завантаження.
  1. zkpor864.vk.save \\
    Нам потрібно надати користувачеві раніше згенерований файл ключа перевірки zk864.
  1. Обмін активами \
    Після того, як буде створений вищезазначений файл підтвердження, можна використовувати наступну команду для запиту зведення на основі таблиці активів користувачів, наданої біржею:
Звичайний текст ./main інструмент запиту_cex_активів
  1. Отримайте наступну відповідь:
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  1. Кожного разу після генерації даних підтвердження ви повинні один раз запитати активи централізованих бірж і зберегти ці дані. Ці дані будуть використані вІнформація про активи Cexобластьcex_config.json файл нижче.
    Примітка: файл proof.csv тут має бути з того самого пакету, що й збережені дані доказу активу, інакше може статися помилка перевірки.

Файл конфігурації

cex_config.jsonце файл конфігурації для перевірки активів обміну.

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Підтвердження резервів: Вказує шлях до таблиці proof.csv

ZkKeyVKDirectoryAndPrefix: Вказує шлях та префікс ключа перевірки zkpor

CexAssetsInfo: Обмін активами, отриманими з запиту вище

Перевірте необхідні дані та формат для активів користувачів

  • Забезпечити user_config.jsonфайл
    Нам потрібно використовувати методuserproofтаблиця, створена в попередньому розділі, та потім, на основі унікального ідентифікатора користувача у наданомуexample_users.csvфайл, знайдіть відповідного користувача вuserproofтаблиця, використовуючиідентифікатор облікового записуполе. Отримайтеконфігураціяполе і збережіть його якuser_config.jsonдля користувачів для завантаження.

Структура файлу user_config.json виглядає наступним чином:

Plaintext{ "Arrangement":7, "UniqueIdentification":"00010b7c0a8b51bfa5eca14f0068670bd7fda4063f9bcac4f02c44a00144a80c", "TotalAssetEquity":445548224227483774000, "TotalAssetDebt":0, "AssetDetails":[{"Індекс":48,"Власний капітал":280,"Борг":0},{"Індекс":53,"Власний капітал":1020,"Борг":0},{"Індекс":54,"Власний капітал":3261550200000000,"Борг":0},{"Індекс":72,"Власний капітал":108600,"Борг":0},{"Індекс":91,"Власний капітал":9068922000,"Борг":0},{"Індекс":190,"Власний капітал":13752000,"Борг":0},{"Індекс":285", Equity":70860,"Debt":0}], "TreeRootHash":"2da42ab6586ef6ad51b4bc8063ce92dcefb951572a26597346b7f78c1329ef0b", "MerkleProofEncode":["EmvQ5Sh50gHD96PfN2/o49gT7xVuuX3P22KLVmpWyVo=","JLEw2CGGAPi2TWn7GMbdlwT0wJbpVfJ4A+XLXNYz9X4=","BRCCQWeZy3fmPgiciBNdDMmugJtcQnxfI/b0EU4MlR8=","K8P8ZvYSY9iEreGnatTO8h1/I3Q+ZSkBA3TYYI1vN1g=","GwxhwdTBri22QcY4Pj9B3TkkLpOTGlCpqnsmxVquaeQ=","JIB+i/tDXSbEyK5ASwx2Tgbtm2ckJrJ30qnLm3FGhvs="," I0AzcupyH3clJooxcjaZlOIWOTY531UBJIMpfu2ds9o=","GYU5H/xfC18jR4LXz3axjKgJOaAbSAz3vO/taxTTMDE=","GML/iwCEjgYlSAmd4cQQhKsjH+xscIG6hbM5HP+OP/I=","BBXHrrH1oIGsjK1PsZt1d+ovsDW5IvHxFUlt8CJ3j/M=","","F6GyEMWOjvKBgKDCCkQiOfc5SvGEt2MWyQTzszXzd6Y=","JDZjD4o0q6cGYJzj0BBaBEBEN4y4UjYgMSNIXf2P6Ps=","C+Mh1228yGv2Or6yQs3U0sjBzxxWJPTyH5GNG3FzMbk=","Jpo3tkE2KgMxWoEdMM1sOyJsM9YjsI9aONsEEqmMPnA=","FaWOvl42fYbklbc9WgWFqeW3Q/54KXT5zYdIGyCh9iE="," EvcLzRuRio6YT9QjSPp0GGGFYSIW8fKOqQlcOXFBBwo=","LJos88T9kz5kG0o+yeNX0ij+WwrOEIqRVpJtOrUrnns=","CFv3HhUsTXNa3iT/cc+GhD9lV+weuSWoJJRVgZmn7fQ=","EyfPjcon6R+nXBDT/9++ddQqlxiBaSaTMBiC0R6NPoM=","HOtPMAkz3JJG3n0bxNIqkR1p/Q758Em1Jjn1KE6A2mg=",""Lq3n7B3Bs7ILnDLG17szIf9O0OdotsWpSLwejnJVcLY=","HthvmzZ/MHbOWVSuFyc9sUvuSz0ddveEwoyQExrim5k=","BOxHEGxRtmNch1R57kgKMxiBVnR/tCo9y3XcJco7Saw=","Dilkpy2L945iR+BsbaffA7MBZSNofd2PdZSkzN48DOE=","Fotw+U5orv9231KkpBYOXM+odtZGgCaNw5zOY+xZ5Oc=","J7pOZTvxtC7B8RzevUvrd90GfrH2oxtRqkEF+mFdCuc=","EUZQwQDUH48osqrtgcPuAQsQvdVKTC+hYmKvIhzImZQ=","HKC2vx3pnDTdfyrzYjCbJMcxojJfvuyzj2/rMMiMplQ="]}

Надання остаточного користувацького вмісту

Структура файлу, яку користувач в кінці отримує, приблизно наступна:

Звичайний текст- config     cex_config.json    user_config.json    proof.csvzkpor864.vk.savemain

Коли бінарний файл «main» надається, він може мати іншу назву залежно від пристрою.

  • Mac OS (Intel): zkproof_darwin_amd64
  • Mac OS (M1):zkproof_darwin_arm64
  • Linux: zkproof_linux_amd64
  • Windows: zkproof_windows_amd64.exe

Підтвердження активів біржі

Виконайте наступну команду, щоб почати перевірку:

Звичайний текст./main перевірити це

Перевірка успішна. Результат буде:

Звичайний текст Всі докази перевіряються пройдені!!!

Перевірка активів користувача

Звичайний текст./main перевірити користувача

Підтвердження успішне. Результат буде:

Покинутий хеш відповідності зразка: 164bc38a71b7a757455d93017242b4960cd1fea6842d8387b60c5780205858ce успішно перевірено!!!

Висновок

Увімкнення zk-SNARK є важливим оновленням для Gate.ioДоказ резервів та важливий крок у захисті активів користувачів. З відмінною безпекою та приватністю це надає більше впевненості користувачам та встановлює новий стандарт для всього криптовалютного галузі.

Ви можете натиснути тутвідвідатиGate.io‘s Proof of Reserves сторінка фронтенду та перегляньте докази, створеніGate.ioкоманда, яка використовує цей проект. Код тепер відкрито доступний на GitHubЗапрошуємо всіх, хто зацікавлений у децентралізованих біржах, zk-SNARK та технології MerkleTree, долучитися до цього проекту. Незалежно від того, чи ви хочете надати пропозиції, повідомити про помилки, чи надіслати код, ваша участь завжди вітається.

著者: Gate learn
翻訳者: Sonia
レビュアー: Wayne、KOWEI、Elisa、Ashley、Joyce
* 本情報はGate.ioが提供または保証する金融アドバイス、その他のいかなる種類の推奨を意図したものではなく、構成するものではありません。
* 本記事はGate.ioを参照することなく複製/送信/複写することを禁じます。違反した場合は著作権法の侵害となり法的措置の対象となります。

株式

Технічний посібник: Підтвердження резервів Gate.io на основі zkSNARK

Розширений12/11/2023, 4:41:28 PM
Як одна з перших бірж, що впроваджує Proof of Reserve, Gate.io ще раз покращує своє рішення Proof-of-Reserves за допомогою технології zk-SNARK. Ця стаття покаже вам, як використовувати відкриту технологію, надану Gate.io, для перевірки безпеки ваших активів на біржі та особистих активів на власному пристрої.

Вступ

З 13 мільйонами користувачів, Gate.ioрозуміє важливість безпеки коштів та вживає ефективні заходи в галузі. Gate.ioGate.io є однією з перших бірж, яка реалізувала Підтвердження резервів (PoR), що було розкрито в травні 2020 року. Це стало відомо лише після кризи ліквідності та банкрутства, спричинених FTX незаконним використанням активів користувачів у 2022 році, коли PoR став відомим як рішення для захисту коштів користувачів та підвищення довіри до платформи. Недавно,Gate.ioоголосила про оновлення свого рішення PoR, вводячи технологію zk-SNARK та дерево Меркля для підвищення безпеки активів та захисту конфіденційності.

Ця стаття розкаже вам про процес розробки Gate.io‘s Підтвердження резервів, крок за кроком, щоб реплікувати процес побудови Підтвердження резервів біржі на власному пристрої.

Фон

Дерево Меркла - це двійкове дерево хеш-значень, де кожен листовий вузол представляє фрагмент даних або хеш даних. Він використовується для ефективної перевірки цілісності великого обсягу даних. У минулому поширене рішення з підтвердженням резерву включало шифрування даних користувача та створення дерева Меркла. Однак цей підхід мав обмеження, оскільки він не міг виявити облікові записи з від'ємною вартістю (значення облікових записів має бути більшим або дорівнювати 0) і не міг повністю захистити конфіденційність користувачів.

zk-SNARK - потужна криптографічна технологія. У цьому рішенні ми розміщуємо всі депозити користувачів в дереві Меркля і використовуємо zk-SNARK, щоб довести, що всі баланси в дереві є невід'ємними і сумуються до заявленої вартості. Якщо публічно оприлюднені активи на біржі перевищують цю вартість, можна довести, що біржа має 100% здатність до повернення.

Поєднуючи zk-SNARK з деревом Меркля, ми можемо одночасно перевіряти цілісність та послідовність даних, захищаючи конфіденційність транзакцій. Доказуючі можуть використовувати zk-SNARK, щоб довести, що вони знають доказ Меркля, який задовольняє певні умови, не розкриваючи конкретного вмісту доказу. Це корисно для криптовалютних бірж, оскільки це може продемонструвати достатні кошти для виплати всіх зобов'язань та захистити конфіденційність користувачів.

Структура програми

Текст - схема #схема дизайну - клієнт #команда - конфіг #файл конфігурації - глобальний #глобальна змінна - сервіс - keygen_service #сервіс для генерації zk ключів - prover_service #сервіс для генерації даних доведення - tool_service #загальні інструменти - userproff_service #генерація даних користувача - verify_service #сервіс верифікації - witness_service #сервіс для генерації даних свідка - utils #колекція загальних функцій

Підготовка

Встановити базу даних

  1. Mysql: Зберігайте докази, доказ користувача та свідків
Звичайний запуск докера -d --name zk-mysql -p 3306:3306 -e MYSQL_USER=zkroot -e MYSQL_PASSWORD=zkpasswd -e MYSQL_DATABASE=zkpos  -e MYSQL_ROOT_PASSWORD=zkpasswd mysql
  1. Redis: Розподілений замок

    Plaintextdocker run -d --name zk-redis -p 6379:6379 redis
  2. Kvrocks: Зберігайте дерево облікових записів користувачів

    Звичайний текстdocker run -d --name zk-kvrocks -p 6666:6666 apache/kvrocks
  3. Якщо підключення до kvrocks не вдається після встановлення: \
    План 1: Ви можете спробувати змінити файл /var/lib/kvrocks/kvrocks.conf всередині контейнера Docker. Змініть його наприв'язати 0.0.0.0 та перезапустіть екземпляр. \
    План 2: Встановіть сервіс за допомогою вихідний код.

Встановіть середовище Go

Для компіляції програми потрібно встановити середовище мови програмування Go. Ви можете встановити його відповідно до версії вашої системи.Завантажити Go.

Експорт даних користувача біржі активів

Структура даних, експортованих користувачем біржі активів.csv, виглядає наступним чином:

Звичайний текст- rn    #послідовність- id    #унікальний ідентифікатор користувача на біржі- e_xtoken   #еквіті користувача xtoken, такий як e_BTC- d_xtoken   #борг користувача xtoken, такий як d_BTC- x_token     #чиста вартість активів користувача, x_token = e_xtoken - d_xtoken- xtoken_usdt_price   #ціна xtoken- total_net_balance_usdt    #загальна вартість всіх токенів в USDT

Ви можете звертатися до./example_data/example_users.csvдля конкретних деталей.

Рекомендована конфігурація системи

Рекомендована мінімальна конфігурація для виробничого середовища така:

  • 128 ГБ пам'яті
  • 32-ядерна віртуальна машина
  • 50 ГБ дискового простору

Файл конфігурації

При генерації zk ключів в виробничому середовищі рекомендується встановити змінну пакета на 864, що вказує, скільки користувачів може бути створено за один раз. Чим більше значення, тим довше займає генерація zk ключів та доказів. При встановленні на 864 генерація zk ключів займає приблизно 6 годин на віртуальній машині з 128 ГБ пам'яті та 32 ядрами, а створення пакету zk доказів займає 105 секунд.

Таким чином, під час етапу налагодження ви можете змінити utils/constants.goуПартіяСтворитиОпераціїКількостіКористувачів до 4і потім знову скомпілювати. Однак рекомендується встановити цей параметр на864у фактичному виробництві.

Якщо вам потрібно змінити партію, файли конфігурації, які потрібно змінити, є:

  • Змініть ./config/config.json
    "ZkKeyName": "./zkpor864" => "ZkKeyName": "./zkpor4"
  • Змініть ./config/cex_config.json
    "ZkKeyVKDirectoryAndPrefix": "./zkpor864" => "ZkKeyVKDirectoryAndPrefix": "./zkpor4"
  • Змініть ./utils/constants.go
    BatchCreateUserOpsCounts = 864 => BatchCreateUserOpsCounts = 4

Налаштування криптовалюти

  • Змінити ./utils/constants.go

Криптовалюта Лічильники

AssetCounts = 350 => AssetCounts = Required Counts

AssetCounts представляє кількість типів токенів, включених у біржу, і фактична кількість не повинна бути меншою за налаштоване значення. Наприклад, якщо насправді є 420 токенів, їх можна змінити на 500. З урахуванням використання пам'яті рекомендується встановити розумне значення на основі ситуації.

Точність ціни

ТипАктивуДляДвохЦифрЦе поле є точністю ціни 10^2 для активів, таких як BTTC, SHIB, LUNC, XEC, WIN, BIDR, SPELL, HOT та DOGE. За замовчуванням точність ціни для решти складає 10^8.

Налаштування конфігурації свідка

Свідок генерує свідків для довідника та користувача. Конфігурація для config.json виглядає наступним чином:

Plaintext{  "MysqlDataSource" : "zkroot:zkpasswd@tcp(127.0.0.1:3306)/zkpos?parseTime=true",    "DbSuffix": "202307",  "UserDataFile": "./example_data/",  "TreeDB": {    "Driver": "redis",    "Option": {      "Addr": "127.0.0.1:6666"    }  },  "Redis": {    "Host": "127.0.0.1:6379",    "Type": "node"  },  "ZkKeyName": "./zkpor864"}
  • MysqlDataSourceПідключення до бази даних MySQL
  • DbSuffix: Створений суфікс таблиці Mysql. Наприклад, якщо ви введете час 202307, він створить witness202307, ви повинні модифікувати його кожен раз, коли він створюється.
  • UserDataFile: Каталог файлів активів користувача, експортованих з біржі, програма буде читати всі CSV файли в цьому каталозі.
  • TreeDB : конфігурація, пов'язана з kvrocks
  • Redisконфігурація, пов'язана з Redis
  • ZkKeyNameКаталог, де знаходиться ключ zk та префікс, наприклад, zkpor864, буде відповідати всім файлам з префіксом zkpor864.*, які є пов'язаними.
    Поле DbSuffix є суфіксом таблиці і повинно бути змінене кожен раз. Якщо воно генерується один раз на місяць, його також можна встановити відповідно до часу, наприклад, 202306, 202307.

Запуск програми

Завантажте проект на свій локальний комп'ютер та почніть компілювати програму.

Компіляція програми

Звичайний текст збудувати

Якщо ви використовуєтеMacі потрібно скомпілювати бінарні файли для інших платформ, ви можете виконати наступні команди:

  • Для компіляції для Linux на Mac: Make build-linux
  • Для компіляції для Windows на Mac: створити build-windows

Генерація ключів

Звичайний текст./головний генератор ключів

Після завершення служба генерації ключів згенерує кілька файлів ключів в поточному каталозі, як показано нижче:

zkpor864.ccs.ct.save \\
zkpor864.ccs.save \
zkpor864.pk.A.save \
zkpor864.pk.B1.save \
zkpor864.pk.B2.save \
zkpor864.pk.E.save \
zkpor864.pk.K.save \
zkpor864.vk.save \
zkpor864.pk.Z.save

Якщо партія встановлена на 4, то будеzkpor4.*.save.

Цей крок займає довгий час для запуску. При встановленні значення 4 він займає приблизно декілька хвилин для завершення; якщо встановлено значення 864, це може зайняти кілька годин.

Примітка:

  • Ключ, згенерований./main keygenкоманда може використовуватися протягом тривалого часу. Якщо вам потрібно буде згенерувати дані перевірки активів наступного місяця, ключ zk все ще буде дійсним.
  • The zkpor864.vk.saveфайл буде потрібно для майбутньої перевірки користувача, тому рекомендується резервне копіювання та правильне збереження цього пакету zk ключів.

Очищення історичних даних kvrocks

Якщо програма була виконана раніше, перед повторним запуском потрібно очистити дані ключа merkle облікового запису, які існують в kvrocks, тому що кожен раз потрібно генерувати інше дерево облікових записів.

Звичайний текст./основний інструмент clean_kvrocks

Примітка: Ця команда використовується для очищення всіх даних в kvrocks, тому не діліться тим самим kvrocks з іншими програмами. Почекайте, доки завершиться попереднє очищення даних, перш ніж починати генерацію підтвердження.

Запуск служби свідка

Звичайний текст./головний свідок

Після завершення виконання у базі даних Mysql буде створена таблиця з суфіксом «свідок» (на основіDbSuffixуconfig.json). Таблиця міститиме пакетні дані підтвердження свідків, які будуть використані при подальшій генерації доказу zk та доказу користувача.

Генерація доказу zk

Служба Prover використовується для генерування zk-доказів і підтримує паралельне виконання. Вона читає свідчення з таблиці свідчень у MySQL.

Виконайте наступну команду для генерації даних доведення zk:

Звичайний текст./головний підтверджувач

_Ця команда підтримує паралельне виконання. Вам потрібно скопіювати основний файл та пов'язані файли, такі як zkpor864, на інші машини і переконатися, що вони єconfig.json .

Ви можете виконати наступну команду, щоб перевірити статус виконання:

Звичайний текст./основний інструмент check_prover_status

Виконання завершиться і поверне:

Чистий текст Загальна кількість свідків 50, Опублікованих елементів 0, Очікуючий елемент 0, Завершений елемент 50

Переконайтеся, що всі елементи свідків перебувають у закінченому стані, що свідчить про те, що доведення завершило виконання.

_Після виконання служби підтвердження, додаткова таблиця з суфіксом “proof” (на основі DbSuffixуconfig.jsonТаблиця буде створена в базі даних Mysql. Дані в цій таблиці призначені для публічного доступу користувачам, що дозволить їм перевірити активи біржі у наступному процесі перевірки. Деталі будуть пояснені далі в розділі перевірки нижче.

Створення доказу користувача

Сервіс userproof використовується для генерації та збереження доказів користувача Меркл.

Для генерації даних користувача запустіть наступну команду:

Звичайний текст./основний користувач

Продуктивність: Генерує приблизно 10k доказів користувача за секунду в віртуальній машині з пам'яттю 128 ГБ та 32 ядрами.

Після запуску команди userproof створиться таблиця з назвою userproof+суфікс (на основі DbSuffixвconfig.json) буде створена в базі даних MySQL. Ця таблиця містить інформацію про активи користувача і може бути використана для налаштування дозволів за потреби. Цю таблицю потрібно буде зробити доступною для визначених користувачів для завантаження, щоб перевірити їх власні активи на рахунку. Додаткові подробиці будуть надані в наступному розділі верифікації.

Надання даних для підтвердження

Тут нам потрібно надати користувачам два типи підтвердження:

  • Верифікація активів біржі
  • Верифікація власних активів користувача
    Нам потрібно заздалегідь скомпілювати виконувані бінарні файли для різних середовищ (Mac, Ubuntu, Windows) та надати їх для завантаження користувачам. Ви можете звернутися до доданогоВипускдля отримання додаткової інформації.

Підтвердження даних та формату активів біржі

Для перевірки активів обміну, окрім надання користувачам двійкового файлу, потрібно надати наступні три конфігураційні дані:

  1. Завантажитиproof.csv \\
    Ми експортуємо раніше згенеровану таблицю підтвердження у вигляді файлу CSV (включаючи заголовок) заздалегідь, наприклад, proof202307.csv, і надаємо її користувачу для завантаження.
  1. zkpor864.vk.save \\
    Нам потрібно надати користувачеві раніше згенерований файл ключа перевірки zk864.
  1. Обмін активами \
    Після того, як буде створений вищезазначений файл підтвердження, можна використовувати наступну команду для запиту зведення на основі таблиці активів користувачів, наданої біржею:
Звичайний текст ./main інструмент запиту_cex_активів
  1. Отримайте наступну відповідь:
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  1. Кожного разу після генерації даних підтвердження ви повинні один раз запитати активи централізованих бірж і зберегти ці дані. Ці дані будуть використані вІнформація про активи Cexобластьcex_config.json файл нижче.
    Примітка: файл proof.csv тут має бути з того самого пакету, що й збережені дані доказу активу, інакше може статися помилка перевірки.

Файл конфігурації

cex_config.jsonце файл конфігурації для перевірки активів обміну.

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Підтвердження резервів: Вказує шлях до таблиці proof.csv

ZkKeyVKDirectoryAndPrefix: Вказує шлях та префікс ключа перевірки zkpor

CexAssetsInfo: Обмін активами, отриманими з запиту вище

Перевірте необхідні дані та формат для активів користувачів

  • Забезпечити user_config.jsonфайл
    Нам потрібно використовувати методuserproofтаблиця, створена в попередньому розділі, та потім, на основі унікального ідентифікатора користувача у наданомуexample_users.csvфайл, знайдіть відповідного користувача вuserproofтаблиця, використовуючиідентифікатор облікового записуполе. Отримайтеконфігураціяполе і збережіть його якuser_config.jsonдля користувачів для завантаження.

Структура файлу user_config.json виглядає наступним чином:

Plaintext{ "Arrangement":7, "UniqueIdentification":"00010b7c0a8b51bfa5eca14f0068670bd7fda4063f9bcac4f02c44a00144a80c", "TotalAssetEquity":445548224227483774000, "TotalAssetDebt":0, "AssetDetails":[{"Індекс":48,"Власний капітал":280,"Борг":0},{"Індекс":53,"Власний капітал":1020,"Борг":0},{"Індекс":54,"Власний капітал":3261550200000000,"Борг":0},{"Індекс":72,"Власний капітал":108600,"Борг":0},{"Індекс":91,"Власний капітал":9068922000,"Борг":0},{"Індекс":190,"Власний капітал":13752000,"Борг":0},{"Індекс":285", Equity":70860,"Debt":0}], "TreeRootHash":"2da42ab6586ef6ad51b4bc8063ce92dcefb951572a26597346b7f78c1329ef0b", "MerkleProofEncode":["EmvQ5Sh50gHD96PfN2/o49gT7xVuuX3P22KLVmpWyVo=","JLEw2CGGAPi2TWn7GMbdlwT0wJbpVfJ4A+XLXNYz9X4=","BRCCQWeZy3fmPgiciBNdDMmugJtcQnxfI/b0EU4MlR8=","K8P8ZvYSY9iEreGnatTO8h1/I3Q+ZSkBA3TYYI1vN1g=","GwxhwdTBri22QcY4Pj9B3TkkLpOTGlCpqnsmxVquaeQ=","JIB+i/tDXSbEyK5ASwx2Tgbtm2ckJrJ30qnLm3FGhvs="," I0AzcupyH3clJooxcjaZlOIWOTY531UBJIMpfu2ds9o=","GYU5H/xfC18jR4LXz3axjKgJOaAbSAz3vO/taxTTMDE=","GML/iwCEjgYlSAmd4cQQhKsjH+xscIG6hbM5HP+OP/I=","BBXHrrH1oIGsjK1PsZt1d+ovsDW5IvHxFUlt8CJ3j/M=","","F6GyEMWOjvKBgKDCCkQiOfc5SvGEt2MWyQTzszXzd6Y=","JDZjD4o0q6cGYJzj0BBaBEBEN4y4UjYgMSNIXf2P6Ps=","C+Mh1228yGv2Or6yQs3U0sjBzxxWJPTyH5GNG3FzMbk=","Jpo3tkE2KgMxWoEdMM1sOyJsM9YjsI9aONsEEqmMPnA=","FaWOvl42fYbklbc9WgWFqeW3Q/54KXT5zYdIGyCh9iE="," EvcLzRuRio6YT9QjSPp0GGGFYSIW8fKOqQlcOXFBBwo=","LJos88T9kz5kG0o+yeNX0ij+WwrOEIqRVpJtOrUrnns=","CFv3HhUsTXNa3iT/cc+GhD9lV+weuSWoJJRVgZmn7fQ=","EyfPjcon6R+nXBDT/9++ddQqlxiBaSaTMBiC0R6NPoM=","HOtPMAkz3JJG3n0bxNIqkR1p/Q758Em1Jjn1KE6A2mg=",""Lq3n7B3Bs7ILnDLG17szIf9O0OdotsWpSLwejnJVcLY=","HthvmzZ/MHbOWVSuFyc9sUvuSz0ddveEwoyQExrim5k=","BOxHEGxRtmNch1R57kgKMxiBVnR/tCo9y3XcJco7Saw=","Dilkpy2L945iR+BsbaffA7MBZSNofd2PdZSkzN48DOE=","Fotw+U5orv9231KkpBYOXM+odtZGgCaNw5zOY+xZ5Oc=","J7pOZTvxtC7B8RzevUvrd90GfrH2oxtRqkEF+mFdCuc=","EUZQwQDUH48osqrtgcPuAQsQvdVKTC+hYmKvIhzImZQ=","HKC2vx3pnDTdfyrzYjCbJMcxojJfvuyzj2/rMMiMplQ="]}

Надання остаточного користувацького вмісту

Структура файлу, яку користувач в кінці отримує, приблизно наступна:

Звичайний текст- config     cex_config.json    user_config.json    proof.csvzkpor864.vk.savemain

Коли бінарний файл «main» надається, він може мати іншу назву залежно від пристрою.

  • Mac OS (Intel): zkproof_darwin_amd64
  • Mac OS (M1):zkproof_darwin_arm64
  • Linux: zkproof_linux_amd64
  • Windows: zkproof_windows_amd64.exe

Підтвердження активів біржі

Виконайте наступну команду, щоб почати перевірку:

Звичайний текст./main перевірити це

Перевірка успішна. Результат буде:

Звичайний текст Всі докази перевіряються пройдені!!!

Перевірка активів користувача

Звичайний текст./main перевірити користувача

Підтвердження успішне. Результат буде:

Покинутий хеш відповідності зразка: 164bc38a71b7a757455d93017242b4960cd1fea6842d8387b60c5780205858ce успішно перевірено!!!

Висновок

Увімкнення zk-SNARK є важливим оновленням для Gate.ioДоказ резервів та важливий крок у захисті активів користувачів. З відмінною безпекою та приватністю це надає більше впевненості користувачам та встановлює новий стандарт для всього криптовалютного галузі.

Ви можете натиснути тутвідвідатиGate.io‘s Proof of Reserves сторінка фронтенду та перегляньте докази, створеніGate.ioкоманда, яка використовує цей проект. Код тепер відкрито доступний на GitHubЗапрошуємо всіх, хто зацікавлений у децентралізованих біржах, zk-SNARK та технології MerkleTree, долучитися до цього проекту. Незалежно від того, чи ви хочете надати пропозиції, повідомити про помилки, чи надіслати код, ваша участь завжди вітається.

著者: Gate learn
翻訳者: Sonia
レビュアー: Wayne、KOWEI、Elisa、Ashley、Joyce
* 本情報はGate.ioが提供または保証する金融アドバイス、その他のいかなる種類の推奨を意図したものではなく、構成するものではありません。
* 本記事はGate.ioを参照することなく複製/送信/複写することを禁じます。違反した場合は著作権法の侵害となり法的措置の対象となります。
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