Fork &amp; Start Now: <a href="https://github.com/BuildBearLabs/Scaffold-Eth-2-BuildBear">BuildBearLabs/Scaffold-Eth-2-BuildBear</a>You are already aware of how Scaffold-ETH2 accelerates your Dapp development ⏱️ time and fast-track to production.We, with the blessing of the Scaffold-ETH2 Team (Austin and Shiv), introduce to youLet’s dive into how Scaffold-ETH x BuildBear achieves this.👉 Firstly, effortlessly fork EVM and EVM-compatible chains directly from the CLI, creating your own Sandbox. Test your application as if you’re on the Mainnet without real-world consequences, saving you time from searching for working RPCs.👉 Mint unlimited native and ERC20 tokens directly from the CLI or your personal Sandbox faucet. No more wasting ⏱️time searching for working faucets.👉 Effortlessly debug transactions within your sandbox using the built-in explorer and transaction tracer.👉 Experience rapid transactions on BuildBear, completing in under 3 seconds.<h3>Quick Starter&nbsp;Guide</h3>Before you begin, install the following tools:<ul><li><a href="https://nodejs.org/en/download/">Node (v18 LTS)</a></li><li>Yarn (<a href="https://classic.yarnpkg.com/en/docs/install/">v1</a> or <a href="https://yarnpkg.com/getting-started/install">v2+</a>)</li><li><a href="https://git-scm.com/downloads">Git</a></li></ul>Clone this repo &amp; install dependencies:<pre><code class="language-plaintext">git clone &lt;https://github.com/scaffold-eth/scaffold-eth-2.git&gt;
cd scaffold-eth-2
yarn install</code></pre>Create your private Sandbox:<pre><code class="language-plaintext">yarn fork-bb</code></pre><figure class="image"><img src="https://cdn-images-1.medium.com/max/800/1*Gy15LvsVsfSpInIe4n9g7Q.gif"></figure>After running the command, choose the chain you want to fork. Enter the block number from which you wish to fork the chain. Wait for 10 seconds, and your sandbox will be live. The sandbox details like RPC, Faucet, and Explorer URL are stored in <code>packages/buildbear/sandbox.json</code>.Deploy the contracts:<pre><code class="language-plaintext">yarn deploy</code></pre><figure class="image"><img src="https://cdn-images-1.medium.com/max/800/1*Q5Gw_d6qEaKoAF50Xf9t8Q.gif"></figure>This command deploys and verifies smart contracts to the BuildBear Sandbox, located in <code>packages/hardhat/contracts</code>. Customize the deploy script in <code>packages/hardhat/deploy</code> to suit your needs.Start your NextJS app:<pre><code class="language-plaintext">yarn start</code></pre><figure class="image"><img src="https://cdn-images-1.medium.com/max/800/1*pYqFwsbt7oqMw039Wrb8QQ.gif"></figure>Check out your app at: <a href="http://localhost:3000."><code>http://localhost:3000</code>.</a>Use the BuildBear faucet to mint Native and ERC20 Tokens. As shown below mint an unlimited number of Native and ERC20 Tokens directly from Scaffold-eth x BuildBear UI.<figure class="image"><img src="https://cdn-images-1.medium.com/max/800/1*1_0xUF_iLWHUS6M7TVMbFQ.gif"></figure>Alternative Route: Click on the BuildBear faucet on the homepage, and you’ll be redirected to your Sandbox faucet, where you can mint an unlimited number of Native and ERC20 Tokens.<figure class="image"><img src="https://cdn-images-1.medium.com/max/800/1*4f_TMi95pITKSZlx-_aSpQ.gif"></figure>Navigate to the Debug Contract page.Here, you can interact with the deployed contracts through a user-friendly interface.<figure class="image"><img src="https://cdn-images-1.medium.com/max/800/1*VqDH8NPwLFrJ7RVvmeIvTg.png"></figure>Let’s swap USDC tokens for DAI using the Swap contracts we just deployed.<ol><li>Mint USDC tokens: Use the faucet to mint 100 USDC tokens.</li><li>Grant USDC token allowance: Before swapping, grant USDC token allowance to the swap contract as shown below using the approve function.</li></ol><figure class="image"><img src="https://cdn-images-1.medium.com/max/800/1*f9pCg9760B000Lh3isvMUA.png"></figure>Return to the Debug Contracts section, enter the details in the <code>swapExactInputSingle</code> section as shown, and click on send. Sign the transaction on your wallet.<figure class="image"><img src="https://cdn-images-1.medium.com/max/800/1*cJSeJXTMp9ZkdbprgS0GXg.png"></figure>Head to the Explorer to see the swap transactions in detail.<figure class="image"><img src="https://cdn-images-1.medium.com/max/800/1*XKdxNRsFegr1MkCuG6i0zQ.png"></figure>Tweak the app config in <code>packages/nextjs/scaffold.config.ts</code>.<ul><li>Edit your smart contract <code>YourContract.sol</code> in <code>packages/hardhat/contracts</code>.</li><li>Edit your frontend in <code>packages/nextjs/pages</code>.</li><li>Edit your deployment scripts in <code>packages/hardhat/deploy</code>.</li></ul>Conclusion: With Scaffold-ETH-2 x BuildBear, you can streamline Dapp development and testing, reduce development time, and fast-track to production. Leave behind the limitations of public and local Hardhat Testnets.<ul><li>Effortlessly fork EVM and EVM-compatible chains directly from the CLI, creating your own Sandbox. Test your application as if you’re on the Mainnet without real-world consequences, saving you time from searching for working RPCs.</li><li>Mint unlimited native and ERC20 tokens directly from the CLI or your personal Sandbox faucet. No more wasting time searching for working faucets.</li><li>Effortlessly debug transactions within your sandbox using the built-in explorer and transaction tracer.</li><li>Experience rapid transactions on BuildBear, completing in under 3 seconds.</li></ul><h3>About BuildBear:</h3><a href="https://www.buildbear.io/">BuildBear</a> is a platform tailored for DApp development and testing. Developers gain the freedom to construct a personalized Private Testnet sandbox across a variety of blockchain networks. The liberty to mint unlimited Native and ERC20 tokens, coupled with rapid transaction times on BuildBear (under 3 seconds!), enhances the DApp development lifecycle manifold. The platform comes equipped with tools designed for real-time testing and debugging, ensuring developers can keep tabs on intricate blockchain transactions with unparalleled ease.Connect with us on <a href="https://twitter.com/_BuildBear">Twitter</a> | <a href="https://www.linkedin.com/company/build-bear/">LinkedIn</a> | <a href="https://t.me/Web3_dApp_Developers">Telegram</a> | <a href="https://github.com/BuildBearLabs">GitHub</a>Author: <a href="https://twitter.com/chandan1_">chandan</a>

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You are already aware of how Scaffold-ETH2 accelerates your Dapp development time and fast-track production. Let’s dive into how Scaffold-ETH x BuildBear achieves this.

Introducing Scaffold-ETH-2 with the power of Mainnet Forks

BUILDBEAR // TUTORIALS

Introducing Scaffold-ETH-2 with the power of Mainnet Forks

Let’s get started then, Shall we?

Let’s get started then, Shall we?

Test DApps at Scale.