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Ethereum Game Tutorial

Ethereum Pet Shop -- Your First Dapp | Truffle Suite

Ethereum Pet Shop -- Your First Dapp | Truffle Suite

This series of tutorials will take you through building your first dappan adoption tracking system for a pet shop! This tutorial is meant for those with a basic knowledge of Ethereum and smart contracts, who have some knowledge of HTML and JavaScript, but who are new to dapps. Note: For Ethereum basics, please read the Truffle Ethereum Overview tutorial before proceeding. Creating a Truffle project using a Truffle Box Compiling and migrating the smart contract Creating a user interface to interact with the smart contract Pete Scandlon of Pete's Pet Shop is interested in using Ethereum as an efficient way to handle their pet adoptions. The store has space for 16 pets at a given time, and they already have a database of pets. As an initial proof of concept, Pete wants to see a dapp which associates an Ethereum address with a pet to be adopted. The website structure and styling will be supplied. Our job is to write the smart contract and front-end logic for its usage. There are a few technical requirements before we start. Please install the following: Once we have those installed, we only need one command to install Truffle: To verify that Truffle is installed properly, type truffle version on a terminal. If you see an error, make sure that your npm modules are added to your path. Creating a Truffle project using a Truffle Box Truffle initializes in the current directory, so first create a directory in your development folder of choice and then moving inside it. mkdir pet-shop-tutorialcd pet-shop-tutorial We've created a special Truffle Box just for this tutorial called pet-shop, which includes the basic project structure as well as code for the user interface. Use the truffle unbox command to unpack this Truffle Box. Note: Truffle can be initialized a few different ways Continue reading >>

Learn Solidity Language With Space Doggos: Ethereum Solidity Tutorial

Learn Solidity Language With Space Doggos: Ethereum Solidity Tutorial

So weve heard that you would like to head out into space to gather treasure. Well, Space Doggos is for you then! This course will teach you how to build a game on Ethereum. Space Doggos is designed for beginners to Solidity, but being familiar with other languages, such as Javascript, will help you a lot. Each player has one Doggo that represents an Ethereum address. The Doggo is created before the game begins - each user selects a desired breed, color, facial expression and a costume. You can also give your Doggo a name. To start the game your Doggo has to be assigned his starting solar system (X and Y) coordinates. Doggos will be travelling from the selected starting coordinate. Doggo always has two options: Steal goodies from the solar system that it is currently on: Your Space Doggo picks the planet that it wants to get goodies from; Planets will have different types (which we will get using the planets trait code); Different types of planets will provide different goodies; Goodies and their amounts will be semi-random (more details in advanced lessons). Fix and re-assemble the damaged spaceship The goals is to Fix and re-assemble the damaged spaceship. Spaceship requires certain parts to get it working again. Items can be found by traveling to different solar systems and finding goodies. To reach their goal faster, Doggos can exchange goodies. Some of them will be very rare, some of them a very common sight. By completing the Space Doggos gamified course & Ethereum Solidity tutorial you will learn to create a game on Blockchain & will find how to code Ethereum Smart Contract like a PRO. This course is designed for complete beginners to Solidity. That's why you can enroll to course even if you've never coded with Solidity language before. Step-by-step, we'll start Continue reading >>

[download] Ethereum Game Development: Build A Game On The Blockchain Udemy Free Download

[download] Ethereum Game Development: Build A Game On The Blockchain Udemy Free Download

Free Download Udemy Ethereum Game Development: Build A Game On The Blockchain. With the help of this course you can Work With Solidity & Other Tools, To Build A Fun Game! Gaining Greater Proficiency In Ethereum Blockchain Development!. This course was created byRavinder Deol & Thomas Wiesner. It was rated 4.8 out of 5 by approx 6430 ratings. There are approx 77207 users enrolled with this course, so dont wait to download yours now. This course also includes5.5 hours on-demand video, 6 Articles, 1 Supplemental Resource, Full lifetime access, Access on mobile and TV & Certificate of Completion. Solidity Basics From The General File-Layout, Types, Events, Structs And Arrays & Many More Topics. Development Tools Such As Truffle, Web3/Truffle-Contract. Everything There Is To Know About Different Blockchains, Nodes & How They Operate. All You Need To Know About Safely Storing & Sending/Transferring Ether From And To Smart Contracts. How To Test & Publish This Fun Tic-Tac-Toe Game Live. Have you seen everyone else get involved with Ethereum Have you heard about Ethereum Development But not sure how to build something practical? Maybe, youre interested in learning Advanced Ethereum Development In this Ethereum Game Development Course, were going to help you alleviate all of those questions you have around building something practical,upon the Ethereum Blockchain. Working with the ecosystem at more depth, practically, than any other Ethereum Development Course, so by the end, youll have greater proficiency in Ethereum Development. Just so youre aware, Myself Ravinder, and Thomas, will be taking you through this course. Were creators of some of the Best-Selling Cryptocurrency & Blockchain courses. Teaching, now approaching, 100,000+ Learners in over 190Countries. Which is pretty Continue reading >>

Cryptozombies - Learn To Code Games On Ethereum. Powered By Loom Network

Cryptozombies - Learn To Code Games On Ethereum. Powered By Loom Network

CryptoZombies is a free, interactive code school that teaches you to build games on Ethereum. The course is designed for beginners to Solidity and starts off with the absolute basics. So if you've never coded with Solidity before, don't worry we'll walk you through step by step. In-browser step-by-step lessons take you from the very basics of Solidity to creating your own fully-functional blockchain-based game. Even by the end of Lesson 1 (which can be completed in one sitting), you'll know enough to officially call yourself a Solidity developer! In Lesson 1, you will build a Zombie Factory to build your army. Every Zombie you create will have randomly generated DNA and have his own unique appearance. Further lessons (1 released each week) will add more functionality to your game, like the ability to battle other people's zombies! Earn crypto-collectible Zombies and bonuses by completing coding lessons. After completing all lessons and deploying your DApp, pit your zombie army against other players' zombies in one of the world's first blockchain-based games! Half code-school, half MMO crypto-collectible strategy game. What are you waiting for? Click the button below to dive into lesson 1 and build your first DApp. It's free! Who Made CryptoZombies and Why Is It Free? Loom Network . We're building a platform for running large-scale applications on Ethereum sidechains. We think blockchains are capable of a lot more than just payments, and we want to get more developers thinking outside the box and trying to build large-scale DApps. Games are one of the areas where we think blockchain will really revolutionize things. So we built CryptoZombies to help educate and inspire the next generation of blockchain game devs. Aside from CryptoZombies, we're working on some really co Continue reading >>

Integrating Unity3d With The Ethereum Blockchain [part1]

Integrating Unity3d With The Ethereum Blockchain [part1]

Our experiments teach the world about the blockchain and cryptocurrencies Integrating Unity3D with the Ethereum blockchain [PART1] The first step on our journey to democratize the blockchain is building our mobile strategy game, CryptoWars, that will fully run on the Ethereum blockchain huge tech challenge considering theres not much development done on this space. Lets get to it. To connect with the Ethereum network (both main and testnet) well use the Nethereum .net cross platform integration library. With Nethereum well be able to create and import Ethereum wallets, create and use smart contracts and access all information available on the Ethereum blockchain. 3: Infura or any other service that can act as our node Lets start by creating a new project with Unity: Now lets import the Nethereum libraries: Just drag and drop Nethereum.Unity into the Assetsfolder. As a really simple test, we will check the balance of an address and print it in the console tab. In order to do this, well have to create a script, import a few more libraries, and choose a network to connect to, in this case: Kovan testnet through Infura. Now we need to create a C# Script named Account, open it using MonoDevelop and insert this code. Paste the code, hit save and go back toUnity. You can drag & drop the script from Assets to the Inspectors GameObject. Now lets run our game and see how it goes:) ETH Balance: 4.253861012499842992 (In the consoletab!) Congrats! Youve completed your first cross-platform interaction in the form of a Debug.log! Now lets do something a bit more interesting: Lets create a wallet. Paste this code into Account.cs and press play (Its gonna take a while) When its done loading well be able to see the address of our new account and the encrypted JSON that contains our secr Continue reading >>

How To Code Your Own Cryptokitties-style Game Onethereum

How To Code Your Own Cryptokitties-style Game Onethereum

Co-founder at Loom Network. Building scalable blockchains for large-scale online games and social apps Creators of CryptoZombies.io How to Code Your Own CryptoKitties-Style Game onEthereum CryptoKitties has done a great job of demonstrating what blockchains can be used for beyond just simple financial transactions. Im hoping well start to see a lot more innovative uses of the blockchain for games like this in the future, so I wanted to write a quick walkthrough of the code behind CryptoKitties to show how it was implemented beneath the surface. This article is written for developers, and while its not an absolute-beginners introduction to Solidity, I tried to include links to documentation to make it as accessible as possible to developers of all levels. Almost all of the CryptoKitties code is open source, so the best way to figure out how it works is to read through the source code. Its around 2,000 lines total, so in this article Im going to be walking through only the sections I think are most important. But heres a copy of the full contract code on EthFiddle if you want to read through it on your own: Powered by EthFiddle, the #1 Solidity code-sharing siteethfiddle.com If youre not familiar with what CryptoKitties is, its basically a game for buying, selling, and breeding digital cats. Each cat has a unique appearance that is defined by its genes, and when you breed 2 cats together, their genes combine in a unique way to produce an offspring, which you can then breed or sell. The code for CryptoKitties is split into a number of smaller contracts in order to keep related code bundled together without having one single giant file with everything in it. The subcontract inheritance for the main kitty contract looks like this: contract KittyOwnership is KittyBase, ERC72 Continue reading >>

Create A Democracy Contract In Ethereum

Create A Democracy Contract In Ethereum

"On the Blockchain, no one knows you're a fridge" So far, all contracts we listed were owned and executed by other accounts probably held by humans. But there is no discrimination against robots or humans in the Ethereum ecosystem and contracts can create arbitrary actions like any other account would. Contracts can own tokens, participate in crowdsales, and even be voting members of other contracts. In this section we are going to build a decentralized and democratic organization that exists solely on the blockchain, but that can do anything that a simple account would be able to. The organization has a central manager that decides who are the members and the voting rules, but as we'll see, this can also be changed. The way this particular democracy works is that it has an Owner which works like an administrator, CEO or a President. The Owner can add (or remove) voting members to the organization. Any member can make a proposal, which is in the form of an ethereum transaction to either send ether or execute some contract, and other members can vote in support or against the proposal. Once a predetermined amount of time and a certain number of members has voted, the proposal can be executed: the contract counts the votes and if there are enough votes it will execute the given transaction. pragma solidity ^0.4.16;contract owned { address public owner; function owned() public { owner = msg.sender; } modifier onlyOwner { require(msg.sender == owner); _; } function transferOwnership(address newOwner) onlyOwner public { owner = newOwner; }}contract tokenRecipient { event receivedEther(address sender, uint amount); event receivedTokens(address _from, uint256 _value, address _token, bytes _extraData); function receiveApproval(address _from, uint256 _value, address _token, byt Continue reading >>

Ethereum Development Tutorial

Ethereum Development Tutorial

The purpose of this page is to serve as an introduction to the basics of Ethereum that you will need to understand from a development standpoint, in order to produce contracts and decentralized applications. For a general introduction to Ethereum, see the white paper , and for a full technical spec see the yellow papers, although those are not prerequisites for this page; that is to say, this page is meant as an alternative introduction to Ethereum specifically targeted towards application developers. Ethereum is a platform that is intended to allow people to easily write decentralized applications (apps) using blockchain technology. A decentralized application is an application which serves some specific purpose to its users, but which has the important property that the application itself does not depend on any specific party existing. Rather than serving as a front-end for selling or providing a specific party's services, a app is a tool for people and organizations on different sides of an interaction used to come together without any centralized intermediary. Even necessary "intermediary" functions that are typically the domain of centralized providers, such as filtering, identity management, escrow and dispute resolution, are either handled directly by the network or left open for anyone to participate, using tools like internal token systems and reputation systems to ensure that users get access to high-quality services. Early examples of apps include BitTorrent for file sharing and Bitcoin for currency. Ethereum takes the primary developments used by BitTorrent and Bitcoin, the peer to peer network and the blockchain, and generalizes them in order to allow developers to use these technologies for any purpose. The Ethereum blockchain can be alternately described Continue reading >>

Gamasutra: Paul Gadi's Blog - Lets Build A Decentralized Game Economy Using Blockchains (part 1)

Gamasutra: Paul Gadi's Blog - Lets Build A Decentralized Game Economy Using Blockchains (part 1)

Lets Build A Decentralized Game Economy Using Blockchains (Part 1) The following blog post, unless otherwise noted, was written by a member of Gamasutras community. The thoughts and opinions expressed are those of the writer and not Gamasutra or its parent company. Decentralization and Creating Your Own Cryptocurrency With crypto mania currently at fever pitch, youd be hard-pressed to not have heard about Bitcoin, Ethereum, cryptocurrencies and blockchains. Even here in Makati, I hear random people talk about Bitcoin in coffee shops and at the supermarket queue. What is a blockchain though? And, as a game developer, is it something that I can use in making games? Ive found a lot of content online that answers the first question, but havent seen as many answering the second. Blockchains are currently disrupting the fundraising space and, in my opinion, have the potential to disrupt the game industry as well. My hope with this post is that more game developers will learn about blockchains, and use them to make new kinds of games enabled by the technology. But first, why should we use a blockchain to create a gameeconomy? Blockchains, cryptocurrencies, and economies are deep topics that we wont delve into in this article, but we will touch on one aspect of blockchains:decentralization. I highly suggest reading this post by Adam Ludwin on understanding cryptocurrencies. Itll not only explain what decentralization is, but will clearly discuss the fundamentals. (And anyone else still struggling to understand cryptocurrencies)blog.chain.com As we mentioned, blockchains have the capability to createdecentralized applications, or applications that arent run by a central authority. The game industry actually runs on several systems that rely on these central authorities. Blockch Continue reading >>

A New Generation Of Games On Ethereum Is Going To Be Enabled By Loom Network

A New Generation Of Games On Ethereum Is Going To Be Enabled By Loom Network

A New Generation of Games on Ethereum is Going to be Enabled by Loom Network Reading Time: 3 minutesby Nuno Menezes onMarch 20, 2018 Entertainment , Ethereum , News , Tech Loom Network says it has developed a next-generation Ethereum-based blockchain infrastructure that is faster, more stable and scalable to the point where it can support large social apps and games such as the World of Warcraft. Loom Network was founded by Matthew Campbell, Luke Zhang, and Duffy in 2017 and is a Platform as a Service (PaaS) built to allow Solidity-based decentralized applications (DApps) to be run on the Ethereum blockchain. The Bangkok-based platform has claimed it has recently raised $25 million in funding. The company was responsible for the development of CryptoZombies , a learning resource that teaches developers how to write smart contracts using a sequence of interactive guides. The tutorial purpose is to allow developers build their own crypto-collectable Zombie Game. Despite the fact that the CryptoZombies learning resource app launched a couple of months ago, over 130,000 developers have used the resource to learn how to write smart contracts. According to VentureBeat , co-founder of Loom, James Duffy, said: With Bitcoin came the worlds first blockchain Ethereum took it a step further by allowing developers to upload indelible pieces of code into the blockchain, called smart contracts. Loom Network is the next logical step in this evolution it allows developers to run these unstoppable applications on a massive scale. The infrastructure of a decentralized blockchain relies on an instant spread of information across a worldwide network of computers across the internet, enabling them to keep transparent and accurate tamper-free records; however, this sort of process is slow an Continue reading >>

Learn Ethereum Game Development With Cryptozombies

Learn Ethereum Game Development With Cryptozombies

Learn Ethereum Game Development With CryptoZombies Learn Ethereum Game Development With CryptoZombies This has to be the funnest way to learn Solidity. Loom Network has just released the first lesson for CryptoZombies , an interactive code school that teaches you how to make your own Ethereum based crypto game using the programming language Solidity. Although there are already a few resources that teach people Solidity, there has never been something as fun and noob-friendly as CryptoZombies. The first chapter begins with the very basics and has you typing the first lines of code to create a smart contract. The left side of the page explains the concept and gives an example of how the code syntax should look. Then you are asked to use that concept to write your own lines of code in the code editor on the right side of the page. When youre done, the site will check your code and either let you continue to the next lesson or show you which line is incorrect. Each chapter adds another programming concept and makes it easy to understand without adding too much to read either. Theres enough of a challenge that youll be proud of yourself for passing a chapter on the first try, but its also not so challenging that you will get stuck and give up. Youll learn about arrays and structs and go into depth about the different types of functions. At the end of this lesson, youll get to put your code to the test and use it generate your own Zombie with a unique DNA and look based on the name you give it. You can even share your zombie on social media to show off your new Solidity programming skills! This is just the first lesson on CryptoZombies and they plan to release a new one every 2-3 weeks. I cant wait for the rest of the lessons and really hope that they will take you all the w Continue reading >>

Free To Play Bitcoin Pc Games Consensys Ethereum

Free To Play Bitcoin Pc Games Consensys Ethereum

Free To Play Bitcoin Pc Games Consensys Ethereum Established venture capital firms like Sequoia, Andreessen Horowitz, and Union Square Ventures are pouring millions of dollars into cryptocurrency hedge funds. Some people just aren't that into digital cats. How do I access it? Or ETH for short. A creation of Loud Panda Interactive, the game is free on Google Play, coming soon to the Apple Store, and at time of writing is one of the leading games in the Philippines. Blockchain What is bitcoin? Bitcoin What is Bitcoin? For many of us, the discovery of Bitcoin is like the discovery of organic foods. Deposit and Send in the contract are events that can be logged in the Ethereum Virtual Machine logs. Wei is the atomic unit of ether, and is the one used on the system level. Examples of sites that do this are PrimeDice and Dice. Change the sender and Free To Play Bitcoin Pc Games Consensys Ethereum addresses to whatever you like. Tickets are selling fast. Overall, using events and First Blood Cryptocurrency Does Microsoft Have A Crypto Coin are cheaper in terms of gas than checking variables so might be useful if you need to verify transactions on the live network. Mining can be fun, sort of like having a houseplant you tend to, and another way to learn about the ecosystem even if the price of ETH right now is not worth the local electricity costs of mining, that may change. Then re-do the whole truffle deploy, truffle build thing. Search Github for DApp repos. The results were roughly: Ether is a necessary element a fuel for operating the distributed application platform Ethereum. The results were roughly:. Here's how to set your etherbase and then start mining:. This last part was a walkthrough of just one set of tools, mainly Truffle and testrpc. Then head over to the Ether Continue reading >>

Ethereum Development Walkthrough (part 1: Smart Contracts)

Ethereum Development Walkthrough (part 1: Smart Contracts)

Dapps, web, and games developer. Interested in AI, blockchain, and smart contracts. You can reach me at [email protected] or @dev_zl Ethereum Development Walkthrough (Part 1: Smart contracts) Smart contracts, ICOs, Mist, Metamask, Remix, geth, web3.. Youve probably seen it all if you spent a little time trying to get into the world of Ethereum developement. Some deploy smart contracts to a test network, others tell you to read a yellow paper, while others advise you to use the truffle suite because its great. And you are there, not knowing what exactly to do and how everything works together. If this is the first article that you read on Ethereum or the blockchain eco-system in general, you are going to love it! Experts calling each others names on twitter, unsafe standards and protocols, untested and buggy development tools. Not everything is figured out yet, everyone is going in different directions, and there still a lot to be done. The future of institutions, banks, and governments is being decided by mad developers! Its so great. Anyway, dont worry anymore, Ill try to connect all the dots for you in this tutorial series, and walk you through the universe of Smart contracts and dapps developement, and show you how everything fits together. While I will not get into every detail, Ill link some materials that will help you understand some concepts better, and its up to you to research them and get into all the little details. The goal of this series is to help you understand better how things work together, in the simplest way possible, like a friend would explain it to you. The official website of Ethereum tells us this: Ethereum is a decentralized platform that runs smart contracts: applications that run exactly as programmed without any possibility of downtime, ce Continue reading >>

How To Become Wealthy Developing Ethereum Games

How To Become Wealthy Developing Ethereum Games

Are you an aspiring blockchain developer looking for ways to monetize your skills? Then you should take a closer look at decentralized applications (known as DApps) because, chances are, they will follow suit of mobile apps that have changed the IT industry over the past few years. Do you know how much money the mobile app industry brings each year? 5 How to start developing DApps on Ethereum In 2017, mobile app revenue from both Google Play and the App Store was about $60 billion, marking an increase of 35% compared to 2016. The growth rate of this industry is remarkable as both revenues and the number of apps created each year has been steadily rising ever since the mobile app boom occurred on the market. The numbers are telling. Mobile apps have revolutionized the IT and gaming industry, and in the next couple of years we are likely to see a similar boom with decentralized apps. Currently, there are a bit more than 200 DApps listed on DappRadar, and gaming DApps are a minority among them. The number is low as the industry is still in its infancy, and there are problems such as scalability that have to be solved in order to allow more rapid development. But the existing DApps are already bringing their developers money. A good example is CryptoKitties. Since its launch, people have spent more than $ 23 million trading unique, digital kittens on the platform. Not bad given that the game has just around 1,000 daily active users now. Imagine how much money it is going to generate when DApps become more popular. It might happen sooner than we expect as the problems such as scalability are already being tackled now. For instance, Loom Network is launching its sidechain solution that will allow to build scalable and secure Ethereum-based DApps. Looking at the revenues that Continue reading >>

Making Games For Ethereum, Part 1: Requirements And Limitations

Making Games For Ethereum, Part 1: Requirements And Limitations

The game must not require synchronous randomness. One might think, after reading some documentation, that you can use the blockhash of every block as entropy for your contract's RNG. This is true. What is also true is that a player can contrive their transaction to be completely reverted if something goes wrong. If you have them roll a die for every time they swing their sword, they can just unhappen the roll if they miss. The only realistic way to stop this is to have the player make their move in one transaction, and have the move be resolved in another. This must happen every time you allow a random roll. Consider the inconvenience, if not merely the logistics. Think of all the things that might go wrong in the process, such as that second transaction never occurring, or occurring too late, or-- You know, maybe you might be better off without randomness entirely. And speaking of things you might be better off without... The game must have little or no hidden information. Everything on the Ethereum blockchain is public. You can't hide a hand of cards, or the composition of an army, or secret orders--someone can just read them from the chain. There are methods of getting around this--many of which are cumbersome. For example, you can have the holder of the hidden information hash it and provide the hash later when needed. But this approach has flaws. Suppose you have a game with armies battling, so a player hashes their order-of-battle. Then, having seen the opponent's army, they just refuse to show their own. What now? Do you just annihilate their army as a punishment--oh, wait, they actually just were offline for a few days, sorry. And in this scenario, we assume we know the potential compositions beforehand. If they are building their armies in secret as well, you' Continue reading >>

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