NFT Dealers

• Starts: March 12, 2026 Noon UTC

• Ends: March 19, 2026 Noon UTC

• nSLOC: 253

About the Project

NFT Dealers is a NFT marketplace with pre-set supply, and resell option with Progressive fee 1, 3 or 5%. Collecting base price/collateral on minting. NFTs can be sold by users on any price, but the fee will grow with the resell price. Can be used for in-game events, ticketing system, no limited to any specific purpose.

The protocol have 2 phases:
1. Preparation phase. The protocol is deployed but not `revealed`, before revealing few things can be done:
- owner whitelists wallets that can mint NFTs

2. The protocol is `revealed`:
- whitelisted users can mint NFTs
- users that are whitelisted can now list NFTs for secondary sell.
- users can buy from listings
- owner can withdraw fees
- owner can remove wallets from whitelist at any time.

Actors

There are 3 types of actors in the protocol:

Actors:

1. Owner
- deploy the smart contract and set parameters (collateral, collection name, image, symbol, etc.)
- whitelist or remove from whitelist wallets
- `reveal` the protocol
- withdraw fees

2. Whitelisted user/wallet
- mint NFT
- buy, update price, cancel listing, list NFT
- collect USDC after selling

3. Non whitelisted user/wallet
- cannot mint
- buy, update price, cancel listing, list NFT
- collect USDC after selling

Scope (contracts)

src/
├── MockUSDC.sol
├── NFTDealers.sol

Compatibilities

Compatibilities:
  Blockchains:
      - Ethereum/Any EVM
  Tokens:
      - ERC20 (USDC only)
      - ERC721 

Setup

Build:

git clone https://github.com/CodeHawks-Contests/2026-03-NFT-dealers.git

forge install 

forge build

Tests:

forge test

Known Issues

N/A