Smart Lottery frontend

Version 1

Version 2

This is a repository to give a user interface on the Smart Lottery contracts. This repository is the frontend repository of the Smart Lottery contracts. However you absolutly can use this repository without the backend part.

Full example of the App here!

Summary

Version 1

The Smart Lottery contract V1 creates a simple lottery which will picked a random winner once the lottery end. The constructor takes an interval (time of duration of the lottery) and an usd entrance fee (entrance fee in dollars).

This contract implements :

• Chainlink Keeper to trigger when the lottery must end.
• Chainlink VRF to pick a random winner when the lottery ends.
• Chainlink price feed to know the entrance fee value in ETH.

The Smart Lottery V1 allow you to :

• enterLottery: Enter the lottery by paying entrance fees (USD convert to ETH).
• claimRewards: Get rewards of the previous lotteries you won.
• getWinner: Get any winner of a previous lottery thanks to the lottery number.
• getLotteryBalance: Get any pot size of a previous lottery thanks to the lottery number.

Version 2

The Smart Lottery contract V2 creates a ticket lottery which will picked a random winning ticket once the lottery end. The constructor takes an interval (time of duration of the lottery), an usd entrance fee (entrance fee in dollars) and a prize distribution corresponding on the percentage of each pots.

This contract implements :

• Chainlink Keeper to trigger when the lottery must end.
• Chainlink VRF to pick a random winner when the lottery ends.
• Chainlink price feed to know the ticket fee value in ETH.

The Smart Lottery V2 allow you to :

• buyTickets: Buy tickets to play the lottery by paying ticket fees (USD convert to ETH) - Max 10 tickets.

• revealWinningTickets: Reveal if you have winning tickets among all the tickets you buy.

• claimRewards: Get rewards of the previous lotteries where you get matching tickets.

• getWinningTicket: Get any winning tickets of a previous lottery thanks to the lottery number.

• getLotteryBalance: Get any pot size of a previous lottery thanks to the lottery number.

• Smart Lottery

  • Summary
    • Version 1
    • Version 2
  • Prerequisites
  • Installation
  • Testing

Prerequisites

Please install or have installed the following:

• git
• nodejs
• yarn instead of npm

Installation

1. Clone this repository

git clone https://github.com/jrmunchkin/smart-lottery-front-end
cd smart-lottery-front-end

2. Install dependencies and run the code

yarn
yarn dev

Testing

The Application can be use locally thanks to hardhat node with the backend repository. You need to add the hardhat network in your metamask and export an account.

You also can use goerli network. Be sure to connect with goerli network on your metamask.