ERC721 utility to check NFT sales
When posting a token collection for sale on OpenSea or Blur, you can check whether it is a token sale or transfer.
import '@rockart/marketsale/MarketSale.sol';
contract TestNFT is MarketSale {
// ...
}/**
* @dev Returns the address of the marketplace where the sale is tracked.
*/
function getMarket(uint256 id) external view returns (address);
/**
* @dev Adding a new marketplace address to track the sale.
*/
function addMarket(address[] memory markets) external;
/**
* @dev Removing the marketplace from sales tracking.
*/
function delMarket(address[] memory markets) external;
/**
* @dev Returns a logical value,
* `true` if the NFT is sale and
* `false` if it is a transfer.
*/
function isSale() external view returns (bool sale);Do not use in production!
- Do not test multiple sales;
- Do not test multiple transfers;