zhengjia

=Navigating=
    visit('/projects')
    visit(post_comments_path(post))

=Clicking links and buttons=
    click_link('id-of-link')
    click_link('Link Text')
    click_button('Save')
    click('Link Text') # Click either a link or a button
    click('Button Value')

CoolCatsNFTPublic

    // Get the estimated gas from the adopt method
    try {
      methodGasPrice = await this.contract.methods.adopt(adoptNum).estimateGas({
        value: price,
        from: account
      });
    } catch (err) {
      console.log("ERROR Method Gas Price");
    }

z0r0z

// SPDX-License-Identifier: GPL-3.0-or-later

pragma solidity >=0.8.4;

import "https://github.com/Rari-Capital/solmate/src/tokens/ERC721.sol";
import "https://github.com/kalidao/kali-contracts/blob/main/contracts/utils/NFThelper.sol";

/// @notice Minimal ERC-20 interface.
interface IERC20minimal { 
    function balanceOf(address account) external view returns (uint256);