Media-Time-Stamp-React

1. Clone this repo

2. Npm install

3. Make sure youre logged into metamask

4. Deploy mediacontract.sol

5. get the deployed address and put it in mediacontract.js

6. Npm Start

Architectural Document

Project: Media Time stamp

• Goal A system that creates a blockchain record representing media data that can be used to show authenticity and authorship.

• Data Type of Data Key name Description

  • String Description Extra information about Media
  • String URL Url address where the media can be found
  • Uint256 hash Result from Hash function with a unique number
  • Address Owner content, Owner Ethereum address
  • string type of media type of media
  • Uint Date and time Date and time calculated from block.timestamp
  • bool Valid Variable to check if the HASH exist or is valid
  • Array Media Hashes An array with all HASHES

• Functions

• Call media Hashes from Owner address

• Call HASH mapping that will bring the struct with all information of the media

• Register a HASH – 1º create a hash from media 2º check if exist other equal hash 3º Store the hash and owner, as well all others information

• Transfer Ownership – Only owner (or delegated users) of contract can change the owner

The Project Plan and Team

(