Project5 - Decentralized Star Notary

In this project, we build a Decentralized Star Notary Service that allows users to create and exchange stars. This application is build usijng solidity, Truffle , web3

Download project

git clone https://github.com/msharekh/Project5-fixed.git

Installation

Install project dependencies:

$ npm install -g truffle@4.1.15
$ npm install openzeppelin-solidity@2.0 --save
$ npm install --save truffle-hdwallet-provider

Important Info

ERC-721 Token Name: MAS StarNotary

ERC-721 Token Symbol: MAS

Token Address on the Rinkeby Network: 0x111b2216ffc98c3045d6e44a96f68452e212652a

functions:

Add a name and a symbol to the starNotary tokens

set name and set symbol by passing them to setName and setSymbol

Lookup a star by ID

using lookUptokenIdToStarInfo function

transfer token from one user to another

using function transferStar we are passing parameters from and to addresses and starid

users can exchange their stars

1. User 1 puts his/her star for sale
2. User 2 puts his/her star for sale
3. User 1 calls the function exchangeStars, to get the star from User 2 that is on sale, in exchange of his/her star that is on sale The user 1 provides the following parameters to exchangeStars: id token star for sale user 1, id token star for sale user 2