/safari-mixer-smart-contracts

Primary LanguageJavaScript

SAFARI MIXER NFT SMART CONTRACT

Introduction

This project builds an unlimited, dynamic, and random (with different chances) generated NFT collection minter smart contract.

Dynamic based on the price of MATIC (binary value based on 1 MATIC >= 1 USD or 1 MATIC < 1 USD).

Chances for random are: [5, 10, 15, 20, 25, 30, 34, 38, 42, 46, 50, 54, 58, 62, 66, 70, 72, 76, 80, 83, 86, 89, 91, 93, 95, 97, 99, MAX_CHANCE_VALUE];

For these animals: TORTOISE, FROG, LIZARD, CHICKEN, DUCK, FLAMINGO, BUNNY, SHEEP, CAT, DOG, PIG, ANTELOPE, FOX, GIRAFFE, OSTRICH, HYENA, CROCODILE, GORILLA, BUFFALO, HIPPO, RHINO,ELEPHANT, PUMA, LEOPARD, TIGER, LION, DINOSAUR, AND UNICORN.

Smart contract address (Verified)

Contract address: 0x95B4f2897B96e94Ce73aAF1298EaE00Bd01defCb Check it here

This project includes the following contracts:

  • SafariMixerNFT.sol
  • VRFCoordinatorV2Mock.sol (mock)
  • MockV3Aggregator.sol (mock)

And scripts with task implementations:

  • 00-deploy-mocks.js
  • 01-deploy-nft.js
  • 02-mint.js

Setup

First, please clone this repo and install the dependencies with the below commands:

git clone https://github.com/ivanmolto/safari-mixer-smart-contracts.git
cd safari-mixer-smart-contracts
npm install

To compile run in the terminal the following command: npx hardhat compile

To deploy run in the terminal the following command: npx hardhat deploy --network polygonMumbai

To mint run in the terminal the following command: npx hardhat deploy --tags mint --network polygonMumbai

OpenSea collection

See NFT collection in OpenSea here

Images

All images and token URIs are stored in IPFS (used Pinata.cloud)

Chainlink Data Feed and Verifiable Random Function

Used Polygon (Matic) Data Feed:

  • MATIC / USD see here for getting the NFT images dynamically and imported "@chainlink/contracts/src/v0.8/interfaces/AggregatorV3Interface.sol"

Used Chainlink Verifiable Randomness Function: As a method to secure randomness for the smart contract getting the images and imported

  • "@chainlink/contracts/src/v0.8/VRFConsumerBaseV2.sol"
  • "@chainlink/contracts/src/v0.8/interfaces/VRFCoordinatorV2Interface.sol"

Created also the subscription 728 see here

License

The code is licensed under a MIT License.