Quizzes and Assignments to Understand Ethereum client

#blockchain #ethereum #dapps #geth

Pre-requirement

You can start this training material without taking any previous course.

Knowledge

Here, you can Learn the following knowledge.

Ethereum Client
- Geth
Node Service
- Infura
Development tools
- Hardhat
General Information
- Docker
- Curl

Quizzes and Assignments

Part 1: Running Geth in Local Environment

QUIZZES

What is Geth?
What can you do with Geth?
Is there any alternative to Geth? What is the difference between the tools?
What is the difference between light-node, archive-node, full-node?
What is docker?
What is the difference between Mainnet, Rinkeby, Private Network in the Geth setting?

Assignments

Run "Hello, world" with docker.
Run docker Geth Mainnet in local.
Run docker Geth Rinkeby in local.
explore blockchain info from Geth Javascript console (ex. eth.getBlock(0))
Run docker Geth private network in local.

Part 2: Infura, the Node Service

QUIZZES

What is Infura?
Is there any alternative to Infura? What is the difference between the platforms?
What is Curl?
What is JSON RPC?

Assignments

Create an account and create your project in Infura.
Get current block number, get block information, get transaction information, get balance for a specific account from Infura node by curl.

Part 3: Local Development Environment

QUIZZES

What is Hardhat?
Is there any alternative to Hardhat? What is the difference between the tools?

Assignments

Run Hardhat local chain.
Get current block number, get block information, get transaction information, get balance for a specific account from a local chain by curl.
Run Hardhat Mainnet fork node.
Get current block number, get block information, get transaction information, get balance for a specific account by curl.

5 Playwright CLI Flags That Will Transform Your Testing Workflow

--last-failed: Zero in on just the tests that failed in your previous run
--only-changed: Test only the spec files you've modified in git
--repeat-each: Run tests multiple times to catch flaky behavior before it reaches production
--forbid-only: Prevent accidental test.only commits from breaking your CI pipeline
--ui --headed --workers 1: Debug visually with browser windows and sequential test execution

Learn how these powerful command-line options can save you time, strengthen your test suite, and streamline your Playwright testing experience. Practical examples included!

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