Hackathon 2022

Installation Instructions

General Setup

• Clone this project: git clone https://github.com/mario-r99/hackathon-2022.git

Android Scanner App

1. Install Android Studio
2. Open 'scanner' folder as project
3. Build and run app on connected device or emulator

Important files

• scanner\app\src\main\java\com\hackathon2022\scanner\ThirdFragment.kt
  • val serverUrl: Server URL for connection to Blockchain API Server
  • var latitude: Default latitude for smartphone location
  • var longitude: Default longitude for smartphone location

Blockchain API Server

1. Install Visual Studio Code
2. Install Python version 3.8
3. Open 'server' folder in VS Code
4. Start run script: python server.py
5. Set up the needed configuration to connect to the blockchain in config.yaml file.
6. Optional: Install Postman for Debugging HTTP requests

Important files

• server\utils.py
  • token: API token for connection to InfluxDB Cloud
  • org: InfluxDB organization
  • bucket: Default InfluxDB bucket
  • url: URL for connection to InfluxDB Cloud
  • default_coords: Default coordinates for geolocation check

Blockchain

1. Install Ganache
2. Install NodeJS for node package manager (npm)
3. Install Truffle: npm install truffle
4. To connect Truffle smart-contract building with Granache Blockchain use the truffle-config.js file.
5. Build contracts: truffle migrate

Dashboard

• InfluxDB runs currently on AWS Cloud
• Can also be hosted on any device, just URL and token has to be updated