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Hands-On Blockchain for Python Developers

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

Product type Book
Published in Feb 2019
Publisher Packt
ISBN-13 9781788627856
Pages 450 pages
Edition 1st Edition
Languages
Concepts
Author (1):
Arjuna Sky Kok Arjuna Sky Kok
Profile icon Arjuna Sky Kok

Table of Contents (19) Chapters

Preface 1. Section 1: Blockchain and Smart Contracts
2. Introduction to Blockchain Programming 3. Smart Contract Fundamentals 4. Implementing Smart Contracts Using Vyper 5. Section 2: Web3 and Populus
6. Interacting with Smart Contracts Using Web3 7. Populus Development Framework 8. Building a Practical Decentralized Application 9. Section 3: Frontend Decentralized Applications
10. Frontend Decentralized Application 11. Section 4: Cryptocurrency and Wallets
12. Creating Token in Ethereum 13. Cryptocurrency Wallet 14. Section 5: Decentralized Filesystem
15. InterPlanetary - A Brave New File System 16. Using ipfsapi to Interact with IPFS 17. Implementing a Decentralized Application Using IPFS 18. Other Books You May Enjoy

Interacting with other smart contracts

Did you know that your smart contract doesn't have to be lonely out there? Your smart contract can interact with other smart contracts on the blockchain.

The address data type is not only used for normal accounts, but it can also be used for smart contract accounts. So, a smart contract can donate ethers to our donatee via the donation smart contract!

Restart your Ganache; we will start our blockchain anew. Remember your hello.vy Vyper file? We want to deploy our Hello smart contract with a custom name.

Our migration file, migrations/2_deploy_hello.js, is still the same, as shown in the following code:

var Hello = artifacts.require("Hello");
module.exports = function(deployer) {
deployer.deploy(Hello);
};

Compile your hello.vy file again to get the interface and the bytecode. Open our contracts JSON file, the build/contracts...

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