WORLD NFT

This collection is made of up world's continents (Africa, Asia, Europe, North America, South America, Australia, and Antarctica). Each continent NFT have an associated opensea metadata standard with a limited supply of 7 items. Tokens are minted to the contract address immediately during deployment. Then contract owner get to kickstart the auction by calling the createAuction methods in ContinentAuction.sol. ContinentAuction.sol is the contract that manages the auctions and bidding. it is initialised with the token address on deployment.

Technologies

• Solidity
• Truffle
• Wagmi
• Express
• Typescript
• React
• Connectkits,
• Viem,
• ReactQuery
• Docker

Requirement

Node 18 LTS/Hydrogen (LTS is recommended) Yarn 1+ (1.22.19 is recommended)

Setup

Contracts

1. Create an .env file and add variables.
2. Install all the packages
3. Compile contracts

   truffle compile && truffle migrate
   

4. Deploy contracts

   truffle migrate --network sepolia
   

Frontend

1. Change directory to client folder

   cd client
   

2. Create an .env file and add variables using .env.example
3. Install all the packages

   yarn
   

4. Start frontend application

   yarn dev
   

Backend

1. Change directory to client folder

   cd backend
   

2. Create an .env file and add variables.

3. Install all the packages

   yarn
   

4. Start backend server

   yarn dev
   

   Endpoints

   /auctions - merged token data from zora indexer and contract data to display the list of continents.

   /citizenship/join - api to join a continent as a citizen after auction. transaction should be signed on the dapp and signed transaction hash is send to the backend to be executed.

Deployment

Frontend

Backend

Contract( Chain - Base Sepolia)

CNT TOKEN Contract

Auction Contract

IPFS Metadata Script This script spins up a Helia IPFS Node and Pinned collection to Pinata pinning services. Tools: Helia, Pinata, IPFS Desktop

Contributors

• timicodes