Building Blockchain Projects

Conventions

In this book, you will find a number of text styles that distinguish between different kinds of information. Here are some examples of these styles and an explanation of their meaning.

Code words in text, database table names, folder names, filenames, file extensions, pathnames, dummy URLs, user input, and Twitter handles are shown as follows: "Then, run the app using the node app.js command inside the Final directory."

A block of code is set as follows:

var solc = require("solc"); var input = "contract x { function g() {} }"; var output = solc.compile(input, 1); // 1 activates the optimizer  for (var contractName in output.contracts) {     // logging code and ABI   console.log(contractName + ": " + output.contracts[contractName].bytecode); ...