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Solidity Programming Essentials

You're reading from   Solidity Programming Essentials A beginner's guide to build smart contracts for Ethereum and blockchain

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Product type Paperback
Published in Apr 2018
Publisher Packt
ISBN-13 9781788831383
Length 222 pages
Edition 1st Edition
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Concepts
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Author (1):
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Ritesh Modi Ritesh Modi
Author Profile Icon Ritesh Modi
Ritesh Modi
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Table of Contents (12) Chapters Close

Preface 1. Introduction to Blockchain, Ethereum, and Smart Contracts FREE CHAPTER 2. Installing Ethereum and Solidity 3. Introducing Solidity 4. Global Variables and Functions 5. Expressions and Control Structures 6. Writing Smart Contracts 7. Functions, Modifiers, and Fallbacks 8. Exceptions, Events, and Logging 9. Truffle Basics and Unit Testing 10. Debugging Contracts 11. Other Books You May Enjoy

Using a Block Explorer


A Block Explorer is an Ethereum browser. It provides reports and information about current blocks and transactions in its network. It's a great place to learn more about existing and past data. It is available at https://etherscan.io/, as shown in the following screenshot:

It shows transactions involving both accounts and contracts. Clicking on a transaction shows details about it, as shown in the following screenshot:

By now, you understand the details about transactions stored within the Ethereum ledger. From the preceding screenshot, let's take a look at the following few details of the transaction:

  • TxHash: This detail refers to transaction hashes
  • TxReceipt Status: This detail represents the status of a transaction, whether successful or pending
  • Block Height: This detail shows which block number the transaction is stored in
  • TimeStamp: This detail shows the timestamp for the transaction
  • From: This detail shows who sent the transaction
  • To: This detail shows the recipient...
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