Supply chain & data auditing

This repository containts an Ethereum DApp that demonstrates a Supply Chain flow between a Seller and Buyer. The user story is similar to any commonly used supply chain process. A Seller can add items to the inventory system stored in the blockchain. A Buyer can purchase such items from the inventory system. Additionally a Seller can mark an item as Shipped, and similarly a Buyer can mark an item as Received.

The DApp User Interface when running should look like…

Project write-up – UML

Acivity Diagram

Getting Started

These instructions will get you a copy of the project up and running on your local machine for development and testing purposes. See deployment for notes on how to deploy the project on a live system.

Prerequisites

Please make sure you’ve already installed ganache-cli, Truffle and enabled MetaMask extension in your browser.

Give examples (to be clarified) 

Installing

A step by step series of examples that tell you have to get a development env running

Clone this repository:

git clone https://github.com/udacity/nd1309/tree/master/course-5/project-6 

Change directory to project-6 folder and install all requisite npm packages (as listed in package.json):

cd project-6 npm install 

Launch Ganache:

ganache-cli -m "spirit supply whale amount human item harsh scare congress discover talent hamster" 

Your terminal should look something like this:

In a separate terminal window, Compile smart contracts:

truffle compile 

Your terminal should look something like this:

This will create the smart contract artifacts in folder buildcontracts.

Migrate smart contracts to the locally running blockchain, ganache-cli:

truffle migrate 

Your terminal should look something like this:

Test smart contracts:

truffle test 

All 10 tests should pass.

In a separate terminal window, launch the DApp:

npm run dev 

Built With

• Ethereum – Ethereum is a decentralized platform that runs smart contracts
• IPFS – IPFS is the Distributed Web | A peer-to-peer hypermedia protocol to make the web faster, safer, and more open.
• Truffle Framework – Truffle is the most popular development framework for Ethereum with a mission to make your life a whole lot easier.

Authors

See also the list of contributors who participated in this project.

Acknowledgments

• Solidity
• Ganache-cli
• Truffle
• IPFS

供应链和数据审计

这个存储库包含一个以太坊ethDApp，它演示了卖方和买方之间的供应链流。用户故事类似于任何常用的供应链流程。卖家可以将商品添加到区块链blockchain中存储的库存系统中。买家可以从库存系统购买此类物品。另外，卖家可以将商品标记为已发货，同样，买家也可以将商品标记为已收到。

运行时的DApp用户界面应该像。。。

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项目总结-UML

活动图

入门

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先决条件

Please make sure you’ve already installed ganache-cli, Truffle and enabled MetaMask extension in your browser.

Give examples (to be clarified) 

安装

A step by step series of examples that tell you have to get a development env running

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git clone https://github.com/udacity/nd1309/tree/master/course-5/project-6 

这些说明将为您提供一份项目副本，并在本地计算机上运行，以供开发和测试之用。有关如何在活动系统上部署项目的说明，请参见部署。

cd project-6 npm install 

请确保您已经在浏览器中安装了ganache cli、Truffle和启用了MetaMask扩展。

ganache-cli -m "spirit supply whale amount human item harsh scare congress discover talent hamster" 

一系列循序渐进的示例告诉您必须让开发环境运行

克隆此存储库：

将目录更改为project-6文件夹并安装所有必需的npm包（如中所列包.json)：

truffle compile 

启动Ganache:

您的终端应该看起来像这样：

在单独的终端窗口中，编译智能合约：

truffle migrate 

您的终端应该如下所示：

这将在文件夹buildcontracts中创建智能合约工件。

truffle test 

将智能合约迁移到本地运行的区块链blockchain中，ganache cli:

您的终端应该如下所示：

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npm run dev 

作者

• IPFS-IPFS是分布式网络|一种点对点超媒体协议，使网络更快、更安全、更开放。Truffle框架-Truffle是以太坊eth最受欢迎的开发框架，它的使命是让你的生活更轻松。
• 稠度
• Ganache cli

确认

测试智能合约：

基本cookies

• 块菌
• IPFS
• Truffle
• IPFS