AgriTech

CONTRACT:

1. MintNFT Contract (in this farmer can mint NFT & add/update metadata of their tokenId)

Features:

1. mintNFT:  arguments(uint256 tokenId) In this user has to pass tokenId, & mint their land.

2. addMetadata: arguments (uint256 tokenId, string memory tokenURI) in this user can add their metadata & update their metadata.

2. Marketplace Contract (in this farmer can put their land on sell, buyer can buy land of farmer based on their choice)

Features:

1. Struct sellerDetails:{ address sellerAddr,  uint256 price, uint256 tokenId }


2. putLandOnSell: argument (uint256 tokenId, uint256 priceOfLand) It is onlyOwner function. & store all details into sellerDetails struct.


3. removeFromSell: argument(uint256 tokenId) onlyOwner can remove land from sell. It is a close contract feature. 


4. buyLand: argument (uint256 tokenId/ structId) in this function buyer can buy land and pay price to the farmer. 

Custody wallet which supports polygon network:

1. Venly wallet
2. Circle