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You're reading from  Hands-On Blockchain for Python Developers

Product typeBook
Published inFeb 2019
Reading LevelExpert
PublisherPackt
ISBN-139781788627856
Edition1st Edition
Languages
Python
Concepts
Blockchain
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Author (1)
Arjuna Sky Kok
Arjuna Sky Kok
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Arjuna Sky Kok

Arjuna Sky Kok has experience more than 10 years in expressing himself as a software engineer. He has developed web applications using Symfony, Laravel, Ruby on Rails, and Django. He also has built mobile applications on top of Android and iOS platforms. Currently, he is researching Ethereum technology. Other than that, he teaches Android and iOS programming to students. He graduated from Bina Nusantara University with majors in Computer Science and Applied Mathematics. He always strives to become a holistic person by enjoying leisure activities, such as dancing Salsa, learning French, and playing StarCraft 2. He lives quietly in the bustling city of Jakarta. In loving memory of my late brother, Hengdra Santoso (1979-2011).
Read more about Arjuna Sky Kok

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Interacting with smart contracts using web3.py

You've sent ethers using a Python script with the web3 library in Ganache and the Rinkeby network. Now, let's create a script to interact with a smart contract. But before doing that, you need to learn how to launch a smart contract with geth and a Python script with the web3 library. Previously, in Chapter 3, Implementing Smart Contracts Using Vyper, you launched a smart contract using Truffle.

Launching a smart contract with Geth

In the next section, we are going to connect to a smart contract with web3. Here's how to deploy a smart contract to the Rinkeby blockchain:

$ ./geth --rinkeby --verbosity 0 console

In the geth console, list all of your accounts with...

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Hands-On Blockchain for Python Developers
Published in: Feb 2019Publisher: PacktISBN-13: 9781788627856
© 2019 Packt Publishing Limited All Rights Reserved

Author (1)

author image
Arjuna Sky Kok

Arjuna Sky Kok has experience more than 10 years in expressing himself as a software engineer. He has developed web applications using Symfony, Laravel, Ruby on Rails, and Django. He also has built mobile applications on top of Android and iOS platforms. Currently, he is researching Ethereum technology. Other than that, he teaches Android and iOS programming to students. He graduated from Bina Nusantara University with majors in Computer Science and Applied Mathematics. He always strives to become a holistic person by enjoying leisure activities, such as dancing Salsa, learning French, and playing StarCraft 2. He lives quietly in the bustling city of Jakarta. In loving memory of my late brother, Hengdra Santoso (1979-2011).
Read more about Arjuna Sky Kok

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