Ethereum Cookbook

Conventions used

There are a number of text conventions used throughout this book.

CodeInText: Indicates code words in text, database table names, folder names, filenames, file extensions, pathnames, dummy URLs, user input, and Twitter handles. Here is an example: "Mount the downloaded WebStorm-10*.dmg disk image file as another disk in your system."

A block of code is set as follows:

pragma solidity ^0.4.21;contract HelloWorld {    function printSomething() returns (string) {        return "hello world";    }}

When we wish to draw your attention to a particular part of a code block, the relevant lines or items are set in bold:

pragma solidity ^0.4.21;contract HelloWorld {    string textToPrint = "hello world"; function changeText(string _text) public { ...