October 2020
Intermediate to advanced
352 pages
9h 51m
English
Content preview from Blockchain in Action
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7 Web3 and a channel Dapp
This chapter covers
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Using the web3 API to access Ethereum client node functions
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Programming with web3 modules and a web3 provider
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Designing a Dapp with a side channel
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Implementing a micropayment channel for a global cleanup problem
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Connecting off-chain operations with on-chain operations
The focus of this chapter is web3. Using web3, you can pretty much set your Dapp on autopilot. What is web3? The web3 API, called simply web3, is a comprehensive package for accessing blockchain functions. Blockchain infrastructure provides services for managing accounts, recording transactions (Txs), and executing smart contracts, all of which you explored in previous chapters. Web3 exposes the functions of the Ethereum ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.