BiWinBi

{
  "$schema": "https://cashtokens.org/bcmr-v2.schema.json",
  "version": { "major": 1, "minor": 0, "patch": 0 },
  "latestRevision": "2023-06-03T20:00:00.912Z",
  "registryIdentity": {
    "name": "Bismuth Win Bi",
    "description": "Bismuth Win Bi on mainnet"
  },
  "identities": {
    "1cae6e23e4c0d4708f2aba4f8531e4f96cce2dc354e292559ed2c90e676c7af1": {

BiWinBi

{
  "$schema": "https://cashtokens.org/bcmr-v2.schema.json",
  "version": { "major": 1, "minor": 0, "patch": 0 },
  "latestRevision": "2023-05-15T20:00:00.912Z",
  "registryIdentity": {
    "name": "Bismuth Win Bi Token",
    "description": "Bismuth Win Bi on mainnet"
  },
  "identities": {
    "36546e4062a1cfd070a4a8d8ff9db18aae4ddf8d9ac9a4fa789314d108b49797": {

BiWinBi

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.7;

import "https://github.com/OpenZeppelin/openzeppelin-contracts/blob/master/contracts/token/ERC721/IERC721.sol";
import "https://github.com/OpenZeppelin/openzeppelin-contracts/blob/master/contracts/token/ERC721/utils/ERC721Holder.sol ";

contract NftStaker {
    IERC721 public parentNFT;

    struct Stake {