Зарегистрируйте бесплатную учетную запись Alchemy:

Письменная версия учебника:

Подпишитесь на обучающий курс Alchemy Road to Web3:

Следуйте за нами на Twitter:

Присоединяйтесь к нам в Дискорде:

Альберт:

кран:

Создайте кошелек MetaMask:

Смарт-контракт BuyMeACoffee:

Веб-сайт BuyMeACoffee:

(Повтор) Веб-сайт BuyMeACoffee: thatguyintech/BuyMeACoffee-Solidity-DeFi-Tipping-app Задайте вопрос:

0:00 – Введение 5:15 – Обзор проекта Buy Me A Coffee 8:17 – Настройка NPM 10:39 – Использование Hardhat для запуска проекта 15:35 – Контракт BuyMeACoffee.sol 28:10 – Скрипт buy-coffee.js 43 :16 — MetaMask, Alchemy, Goerli Faucet 49:13 — Развертывание в тестовой сети Goerli 1:00:12 — Обзор репликации 1:03:37 — Форк моего ответа BuyMeACoffee 1:05:12 — Настройка вашего децентрализованного приложения 1:10:42 — Протестируйте свое децентрализованное приложение 1:14:02 – Код подключения кошелька 1:17:30 – Обзор кода децентрализованного приложения 1:20:50 – Задание этой недели 1:24:44 – Вызовы скрипта remove.js после просмотра этого видео (вам нужно только сделайте один): 1. Разрешите вашему смарт-контракту обновить адрес вывода средств. 2. Разрешите вашему смарт-контракту покупатьLargeCoffee за 0,003 ETH и создайте кнопку на внешнем веб-сайте, которая показывает кнопку «Купить большой кофе за 0,003ETH». #goerli #эфириум #roadtoweb3

source
According to researches by the adsmember team

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Alchemy
Alchemy
29 days ago

Hope you're enjoying your road to web3! Please share any feedback you have on the video in this form, it helps us get better for future videos 🙂

https://alchemyapi.typeform.com/roadtofeedback

Brady Werkheiser
Brady Werkheiser
29 days ago

Alchemy bringing the fire with these tutorials!

Calvin Torra
Calvin Torra
29 days ago

Thanks for the video. I think the most important part was pointing out the wallet connection pattern. I think sometimes we can forget that there are recurring patterns that we need to look out for that can cement our understanding.

DhaeDream
DhaeDream
29 days ago

Its the deploy to Goerli Testnet For Mee <3

DilucSuki
DilucSuki
29 days ago

Lovely Solidity explanation, but the Next.js part was way too fast, most of web3 beginners know nothing about React, and using Next.js I think it is too much.
Apart from that I'm so happy that I could implement the withdraw function without problems, and good extra challenge for Solidity!

Balaraman Sriram
Balaraman Sriram
29 days ago

after a fork from your replit, metamask wont connect, there seems to be bug somewhere

Fabio Bedini
Fabio Bedini
29 days ago

Hi Albert, as usual great job 🙂 Could you explain me what this const coffeeTxn = await buyMeACoffee.buyCoffee(
name ? name : "anon",
message ? message : "Enjoy your coffee!",
{value: ethers.utils.parseEther("0.001")}
); works I mean in the contract the signature of buyCoffee is (string memory _name, string memory _message) so how does the contract know the actual price? thanks in advance 🙂

Patryk G
Patryk G
29 days ago

This content you provide to the community is on another level, lietrally some ppl pay thousands to get their hands on this kind of knowledge. cant thank you enough mate, you just earned yourself a like, sub and i cant wait for more! keep it up!

Fabio Bedini
Fabio Bedini
29 days ago

Hi there, I'm not able to get ethers from goerly faucet it seems out of service (the address input field is disabled)

What's web3?
What's web3?
29 days ago

kept getting a permission denied running npx hardhat so I ended up throwing in a "npm install –save-dev hardhat" and that worked. in case anybody else gets stuck. save ya the 3 mins of running thru docs lol

Ihuoma Anosike
Ihuoma Anosike
29 days ago

Amazing Tutorial

Priyank Gupta
Priyank Gupta
29 days ago

Hey Albert, cool tutorial, and I see that your typing speed is crazy insane!!!
Any tips on how to improve that?

Doug Underwood
Doug Underwood
29 days ago

Great tutorial, looking forward to many more.

Alex Lee
Alex Lee
29 days ago

Thanks Albert! After video I learned lots of web3 knowledge! Let's go PoK!!!

Bigside Tech (Subo)
Bigside Tech (Subo)
29 days ago

Hi Albert, one doubt: From where you got/generated the BuyMeACoffee.json (which contains abi and bytecode)?

Thanks for the tutorial, learned a lot 🙂

Roman Van der Sar
Roman Van der Sar
29 days ago

Great teacher. Liked & subscribed. Looking forward to learn more.

Jhonattan Farias
Jhonattan Farias
29 days ago

Thank you. You teach very well and are helping a lot to learn block chain

Joshua Hendrix
Joshua Hendrix
29 days ago

Alchemy you are awesome!

isus
isus
29 days ago

You fixed the sound 😍

Thank you so much folks! In the words of Sheldon Cooper – I will mention you in my speech at the Nobel Prize ceremony… 😁😂

Bigside Tech (Subo)
Bigside Tech (Subo)
29 days ago

Loved the pinned rap Albert… 👏👏👏… Waiting for the next one 😀🎉

Isaac Li
Isaac Li
29 days ago

super thank you!

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