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<title data-rh="true">Interacting with Smart Contracts Using ethers.js | Status Network Documentation</title><meta data-rh="true" name="viewport" content="width=device-width,initial-scale=1"><meta data-rh="true" name="twitter:card" content="summary_large_image"><meta data-rh="true" property="og:image" content="https://docs.status.network/img/sn_logo.png"><meta data-rh="true" name="twitter:image" content="https://docs.status.network/img/sn_logo.png"><meta data-rh="true" property="og:url" content="https://docs.status.network/tutorials/ethers-tutorial"><meta data-rh="true" property="og:locale" content="en_US"><meta data-rh="true" property="og:locale:alternate" content="zh_CN"><meta data-rh="true" property="og:locale:alternate" content="ko_KR"><meta data-rh="true" property="og:locale:alternate" content="ja_JP"><meta data-rh="true" name="docusaurus_locale" content="en"><meta data-rh="true" name="docsearch:language" content="en"><meta data-rh="true" name="docusaurus_version" content="current"><meta data-rh="true" name="docusaurus_tag" content="docs-default-current"><meta data-rh="true" name="docsearch:version" content="current"><meta data-rh="true" name="docsearch:docusaurus_tag" content="docs-default-current"><meta data-rh="true" property="og:title" content="Interacting with Smart Contracts Using ethers.js | Status Network Documentation"><meta data-rh="true" name="description" content="Learn how to interact with smart contracts deployed on Status Network from a frontend using ethers.js."><meta data-rh="true" property="og:description" content="Learn how to interact with smart contracts deployed on Status Network from a frontend using ethers.js."><link data-rh="true" rel="icon" href="/img/favicon.ico"><link data-rh="true" rel="canonical" href="https://docs.status.network/tutorials/ethers-tutorial"><link data-rh="true" rel="alternate" href="https://docs.status.network/tutorials/ethers-tutorial" hreflang="en-US"><link data-rh="true" rel="alternate" href="https://docs.status.network/zh/tutorials/ethers-tutorial" hreflang="zh-CN"><link data-rh="true" rel="alternate" href="https://docs.status.network/ko/tutorials/ethers-tutorial" hreflang="ko-KR"><link data-rh="true" rel="alternate" href="https://docs.status.network/ja/tutorials/ethers-tutorial" hreflang="ja-JP"><link data-rh="true" rel="alternate" href="https://docs.status.network/tutorials/ethers-tutorial" hreflang="x-default"><link data-rh="true" rel="preconnect" href="https://M7J93TRPJ9-dsn.algolia.net" crossorigin="anonymous"><link rel="search" type="application/opensearchdescription+xml" title="Status Network Documentation" href="/opensearch.xml"><link rel="stylesheet" href="/assets/css/styles.25304e2d.css">
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Deploying a Smart Contract</a></div><ul style="display:block;overflow:visible;height:auto" class="menu__list"><li class="theme-doc-sidebar-item-link theme-doc-sidebar-item-link-level-3 menu__list-item"><a class="menu__link" tabindex="0" href="/tutorials/deploying-contracts/using-hardhat">🎩 Using Hardhat</a></li><li class="theme-doc-sidebar-item-link theme-doc-sidebar-item-link-level-3 menu__list-item"><a class="menu__link" tabindex="0" href="/tutorials/deploying-contracts/using-thirdweb">🌐 Using Thirdweb</a></li><li class="theme-doc-sidebar-item-link theme-doc-sidebar-item-link-level-3 menu__list-item"><a class="menu__link" tabindex="0" href="/tutorials/deploying-contracts/using-foundry">⚒️ Using Foundry</a></li><li class="theme-doc-sidebar-item-link theme-doc-sidebar-item-link-level-3 menu__list-item"><a class="menu__link" tabindex="0" href="/tutorials/deploying-contracts/using-remix">🎛️ Using Remix</a></li></ul></li><li class="theme-doc-sidebar-item-category 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DOCS</a></div></li></ul></nav></div></div></aside><main class="docMainContainer_TBSr"><div class="container padding-top--md padding-bottom--lg"><div class="row"><div class="col docItemCol_VOVn"><div class="docItemContainer_Djhp"><article><nav class="theme-doc-breadcrumbs breadcrumbsContainer_Z_bl" aria-label="Breadcrumbs"><ul class="breadcrumbs" itemscope="" itemtype="https://schema.org/BreadcrumbList"><li class="breadcrumbs__item"><a aria-label="Home page" class="breadcrumbs__link" href="/"><svg viewBox="0 0 24 24" class="breadcrumbHomeIcon_YNFT"><path d="M10 19v-5h4v5c0 .55.45 1 1 1h3c.55 0 1-.45 1-1v-7h1.7c.46 0 .68-.57.33-.87L12.67 3.6c-.38-.34-.96-.34-1.34 0l-8.36 7.53c-.34.3-.13.87.33.87H5v7c0 .55.45 1 1 1h3c.55 0 1-.45 1-1z" fill="currentColor"></path></svg></a></li><li class="breadcrumbs__item"><span class="breadcrumbs__link">TUTORIALS</span><meta itemprop="position" content="1"></li><li itemscope="" itemprop="itemListElement" itemtype="https://schema.org/ListItem" class="breadcrumbs__item breadcrumbs__item--active"><span class="breadcrumbs__link" itemprop="name">📘 Ethers Tutorial</span><meta itemprop="position" content="2"></li></ul></nav><div class="tocCollapsible_ETCw theme-doc-toc-mobile tocMobile_ITEo"><button type="button" class="clean-btn tocCollapsibleButton_TO0P">On this page</button></div><div class="theme-doc-markdown markdown"><header><h1>Interacting with Smart Contracts Using ethers.js</h1></header>
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<p>Learn how to interact with smart contracts deployed on <strong>Status Network</strong> from a frontend using <strong>ethers.js</strong>.</p>
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<p>In this tutorial, we'll walk through setting up a basic web application, deploying a smart contract on the <strong>Status Network Testnet</strong>, and interacting with it using <strong>ethers.js</strong>.</p>
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<hr>
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<h2 class="anchor anchorWithStickyNavbar_LWe7" id="prerequisites">Prerequisites<a href="#prerequisites" class="hash-link" aria-label="Direct link to Prerequisites" title="Direct link to Prerequisites"></a></h2>
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<p>Before you begin, ensure you have the following:</p>
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<ul>
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<li><strong>MetaMask</strong> installed in your browser.</li>
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<li><strong>Node.js</strong> and <strong>npm</strong> installed on your computer.</li>
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<li>Basic understanding of <strong>React.js</strong> and how <strong>blockchains</strong> work.</li>
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</ul>
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<h3 class="anchor anchorWithStickyNavbar_LWe7" id="set-up-status-network-testnet">Set Up Status Network Testnet<a href="#set-up-status-network-testnet" class="hash-link" aria-label="Direct link to Set Up Status Network Testnet" title="Direct link to Set Up Status Network Testnet"></a></h3>
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<ol>
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<li>
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<p><strong>Add Status Network Testnet to MetaMask</strong>:</p>
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<ul>
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<li>Follow the guide <a href="/general-info/add-status-network">Adding Status Network to MetaMask</a> to add the testnet network to your wallet.</li>
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</ul>
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</li>
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<li>
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<p><strong>Obtain Test ETH</strong>:</p>
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<ul>
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<li>Use the <a href="/tools/testnet-faucets">Status Network Testnet Faucet</a> to get test ETH for deploying and interacting with contracts.</li>
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</ul>
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</li>
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<li>
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<p><strong>Bridge Assets (Optional)</strong>:</p>
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<ul>
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<li>If needed, bridge assets to the Status Network Testnet using the <a href="/general-info/bridge/bridging-testnet">Testnet Bridge</a>.</li>
|
||
</ul>
|
||
</li>
|
||
</ol>
|
||
<hr>
|
||
<h2 class="anchor anchorWithStickyNavbar_LWe7" id="smart-contract-deployment-on-status-network">Smart Contract Deployment on Status Network<a href="#smart-contract-deployment-on-status-network" class="hash-link" aria-label="Direct link to Smart Contract Deployment on Status Network" title="Direct link to Smart Contract Deployment on Status Network"></a></h2>
|
||
<p>We'll use a simple smart contract called <strong>BidBoard</strong> for this tutorial. The contract allows advertisers to bid for space on an advertising board.</p>
|
||
<h3 class="anchor anchorWithStickyNavbar_LWe7" id="bidboard-smart-contract">BidBoard Smart Contract<a href="#bidboard-smart-contract" class="hash-link" aria-label="Direct link to BidBoard Smart Contract" title="Direct link to BidBoard Smart Contract"></a></h3>
|
||
<p>Here's the <code>BidBoard.sol</code> contract code:</p>
|
||
<div class="language-solidity codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#bfc7d5;--prism-background-color:#292d3e"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-solidity codeBlock_bY9V thin-scrollbar" style="color:#bfc7d5;background-color:#292d3e"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#bfc7d5"><span class="token plain">// SPDX-License-Identifier: MIT</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain">pragma solidity ^0.8.0;</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain" style="display:inline-block"></span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain">contract BidBoard {</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"> string public currentAd;</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"> address public advertiser;</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"> uint256 public currentBid;</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain" style="display:inline-block"></span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"> event AdUpdated(string newAd, address newAdvertiser, uint256 newBid);</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain" style="display:inline-block"></span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"> constructor() {</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"> currentAd = "Welcome to Status Network!";</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"> advertiser = msg.sender;</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"> currentBid = 0;</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"> }</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain" style="display:inline-block"></span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"> function updateAd(string memory newAd) public payable {</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"> require(msg.value > currentBid, "Bid must be higher than current bid");</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"> currentAd = newAd;</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"> advertiser = msg.sender;</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"> currentBid = msg.value;</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"> emit AdUpdated(newAd, msg.sender, msg.value);</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"> }</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain" style="display:inline-block"></span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"> function getCurrentAd() public view returns (string memory, address, uint256) {</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"> return (currentAd, advertiser, currentBid);</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"> }</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain">}</span><br></span></code></pre><div class="buttonGroup__atx"><button type="button" aria-label="Copy code to clipboard" title="Copy" class="clean-btn"><span class="copyButtonIcons_eSgA" aria-hidden="true"><svg viewBox="0 0 24 24" class="copyButtonIcon_y97N"><path fill="currentColor" d="M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z"></path></svg><svg viewBox="0 0 24 24" class="copyButtonSuccessIcon_LjdS"><path fill="currentColor" d="M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z"></path></svg></span></button></div></div></div>
|
||
<blockquote>
|
||
<p><strong>Note:</strong> You can use your own smart contract if you prefer.</p>
|
||
</blockquote>
|
||
<h3 class="anchor anchorWithStickyNavbar_LWe7" id="deploying-the-contract">Deploying the Contract<a href="#deploying-the-contract" class="hash-link" aria-label="Direct link to Deploying the Contract" title="Direct link to Deploying the Contract"></a></h3>
|
||
<p>Follow the guide <a href="/tutorials/deploying-contracts/using-remix">Deploying a Smart Contract Using Remix</a> to deploy the <code>BidBoard.sol</code> contract to the Status Network Testnet.</p>
|
||
<hr>
|
||
<h2 class="anchor anchorWithStickyNavbar_LWe7" id="setting-up-the-frontend-application">Setting Up the Frontend Application<a href="#setting-up-the-frontend-application" class="hash-link" aria-label="Direct link to Setting Up the Frontend Application" title="Direct link to Setting Up the Frontend Application"></a></h2>
|
||
<p>We'll create a React.js application to interact with the deployed smart contract.</p>
|
||
<h3 class="anchor anchorWithStickyNavbar_LWe7" id="step-1-create-a-react-app">Step 1: Create a React App<a href="#step-1-create-a-react-app" class="hash-link" aria-label="Direct link to Step 1: Create a React App" title="Direct link to Step 1: Create a React App"></a></h3>
|
||
<p>Open your terminal and run:</p>
|
||
<div class="language-bash codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#bfc7d5;--prism-background-color:#292d3e"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-bash codeBlock_bY9V thin-scrollbar" style="color:#bfc7d5;background-color:#292d3e"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#bfc7d5"><span class="token plain">npx create-react-app bidboard-ui</span><br></span></code></pre><div class="buttonGroup__atx"><button type="button" aria-label="Copy code to clipboard" title="Copy" class="clean-btn"><span class="copyButtonIcons_eSgA" aria-hidden="true"><svg viewBox="0 0 24 24" class="copyButtonIcon_y97N"><path fill="currentColor" d="M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z"></path></svg><svg viewBox="0 0 24 24" class="copyButtonSuccessIcon_LjdS"><path fill="currentColor" d="M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z"></path></svg></span></button></div></div></div>
|
||
<p>This command creates a new React application named <code>bidboard-ui</code>.</p>
|
||
<h3 class="anchor anchorWithStickyNavbar_LWe7" id="step-2-install-ethersjs">Step 2: Install ethers.js<a href="#step-2-install-ethersjs" class="hash-link" aria-label="Direct link to Step 2: Install ethers.js" title="Direct link to Step 2: Install ethers.js"></a></h3>
|
||
<p>Navigate to the project directory and install <strong>ethers.js</strong>:</p>
|
||
<div class="language-bash codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#bfc7d5;--prism-background-color:#292d3e"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-bash codeBlock_bY9V thin-scrollbar" style="color:#bfc7d5;background-color:#292d3e"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#bfc7d5"><span class="token plain">cd bidboard-ui</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain">npm install ethers</span><br></span></code></pre><div class="buttonGroup__atx"><button type="button" aria-label="Copy code to clipboard" title="Copy" class="clean-btn"><span class="copyButtonIcons_eSgA" aria-hidden="true"><svg viewBox="0 0 24 24" class="copyButtonIcon_y97N"><path fill="currentColor" d="M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z"></path></svg><svg viewBox="0 0 24 24" class="copyButtonSuccessIcon_LjdS"><path fill="currentColor" d="M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z"></path></svg></span></button></div></div></div>
|
||
<hr>
|
||
<h2 class="anchor anchorWithStickyNavbar_LWe7" id="building-the-main-application-component">Building the Main Application Component<a href="#building-the-main-application-component" class="hash-link" aria-label="Direct link to Building the Main Application Component" title="Direct link to Building the Main Application Component"></a></h2>
|
||
<p>Open the project in your code editor and navigate to <code>src/App.js</code>.</p>
|
||
<h3 class="anchor anchorWithStickyNavbar_LWe7" id="import-required-libraries">Import Required Libraries<a href="#import-required-libraries" class="hash-link" aria-label="Direct link to Import Required Libraries" title="Direct link to Import Required Libraries"></a></h3>
|
||
<p>Replace the content of <code>App.js</code> with the following code:</p>
|
||
<div class="language-jsx codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#bfc7d5;--prism-background-color:#292d3e"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-jsx codeBlock_bY9V thin-scrollbar" style="color:#bfc7d5;background-color:#292d3e"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#bfc7d5"><span class="token keyword module" style="font-style:italic">import</span><span class="token plain"> </span><span class="token imports maybe-class-name">React</span><span class="token imports punctuation" style="color:rgb(199, 146, 234)">,</span><span class="token imports"> </span><span class="token imports punctuation" style="color:rgb(199, 146, 234)">{</span><span class="token imports"> useState</span><span class="token imports punctuation" style="color:rgb(199, 146, 234)">,</span><span class="token imports"> useEffect </span><span class="token imports punctuation" style="color:rgb(199, 146, 234)">}</span><span class="token plain"> </span><span class="token keyword module" style="font-style:italic">from</span><span class="token plain"> </span><span class="token string" style="color:rgb(195, 232, 141)">"react"</span><span class="token punctuation" style="color:rgb(199, 146, 234)">;</span><span class="token plain"></span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"></span><span class="token keyword module" style="font-style:italic">import</span><span class="token plain"> </span><span class="token imports punctuation" style="color:rgb(199, 146, 234)">{</span><span class="token imports"> ethers </span><span class="token imports punctuation" style="color:rgb(199, 146, 234)">}</span><span class="token plain"> </span><span class="token keyword module" style="font-style:italic">from</span><span class="token plain"> </span><span class="token string" style="color:rgb(195, 232, 141)">"ethers"</span><span class="token punctuation" style="color:rgb(199, 146, 234)">;</span><span class="token plain"></span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"></span><span class="token keyword module" style="font-style:italic">import</span><span class="token plain"> </span><span class="token string" style="color:rgb(195, 232, 141)">"./App.css"</span><span class="token punctuation" style="color:rgb(199, 146, 234)">;</span><span class="token plain"></span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain" style="display:inline-block"></span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"></span><span class="token keyword" style="font-style:italic">const</span><span class="token plain"> </span><span class="token function-variable function maybe-class-name" style="color:rgb(130, 170, 255)">App</span><span class="token plain"> </span><span class="token operator" style="color:rgb(137, 221, 255)">=</span><span class="token plain"> </span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token punctuation" style="color:rgb(199, 146, 234)">)</span><span class="token plain"> </span><span class="token arrow operator" style="color:rgb(137, 221, 255)">=></span><span class="token plain"> </span><span class="token punctuation" style="color:rgb(199, 146, 234)">{</span><span class="token plain"></span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"> </span><span class="token comment" style="color:rgb(105, 112, 152);font-style:italic">// Contract details</span><span class="token plain"></span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"> </span><span class="token keyword" style="font-style:italic">const</span><span class="token plain"> contractAddress </span><span class="token operator" style="color:rgb(137, 221, 255)">=</span><span class="token plain"> </span><span class="token string" style="color:rgb(195, 232, 141)">"YOUR_CONTRACT_ADDRESS"</span><span class="token punctuation" style="color:rgb(199, 146, 234)">;</span><span class="token plain"></span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"> </span><span class="token keyword" style="font-style:italic">const</span><span class="token plain"> abi </span><span class="token operator" style="color:rgb(137, 221, 255)">=</span><span class="token plain"> </span><span class="token punctuation" style="color:rgb(199, 146, 234)">[</span><span class="token comment" style="color:rgb(105, 112, 152);font-style:italic">/* ABI JSON CODE */</span><span class="token punctuation" style="color:rgb(199, 146, 234)">]</span><span class="token punctuation" style="color:rgb(199, 146, 234)">;</span><span class="token plain"></span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain" style="display:inline-block"></span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"> </span><span class="token comment" style="color:rgb(105, 112, 152);font-style:italic">// State variables</span><span class="token plain"></span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"> </span><span class="token keyword" style="font-style:italic">const</span><span class="token plain"> </span><span class="token punctuation" style="color:rgb(199, 146, 234)">[</span><span class="token plain">currentAd</span><span class="token punctuation" style="color:rgb(199, 146, 234)">,</span><span class="token plain"> setCurrentAd</span><span class="token punctuation" style="color:rgb(199, 146, 234)">]</span><span class="token plain"> </span><span class="token operator" style="color:rgb(137, 221, 255)">=</span><span class="token plain"> </span><span class="token function" style="color:rgb(130, 170, 255)">useState</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token string" style="color:rgb(195, 232, 141)">""</span><span class="token punctuation" style="color:rgb(199, 146, 234)">)</span><span class="token punctuation" style="color:rgb(199, 146, 234)">;</span><span class="token plain"></span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"> </span><span class="token keyword" style="font-style:italic">const</span><span class="token plain"> </span><span class="token punctuation" style="color:rgb(199, 146, 234)">[</span><span class="token plain">currentBid</span><span class="token punctuation" style="color:rgb(199, 146, 234)">,</span><span class="token plain"> setCurrentBid</span><span class="token punctuation" style="color:rgb(199, 146, 234)">]</span><span class="token plain"> </span><span class="token operator" style="color:rgb(137, 221, 255)">=</span><span class="token plain"> </span><span class="token function" style="color:rgb(130, 170, 255)">useState</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token number" style="color:rgb(247, 140, 108)">0</span><span class="token punctuation" style="color:rgb(199, 146, 234)">)</span><span class="token punctuation" style="color:rgb(199, 146, 234)">;</span><span class="token plain"></span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"> </span><span class="token keyword" style="font-style:italic">const</span><span class="token plain"> </span><span class="token punctuation" style="color:rgb(199, 146, 234)">[</span><span class="token plain">advertiser</span><span class="token punctuation" style="color:rgb(199, 146, 234)">,</span><span class="token plain"> setAdvertiser</span><span class="token punctuation" style="color:rgb(199, 146, 234)">]</span><span class="token plain"> </span><span class="token operator" style="color:rgb(137, 221, 255)">=</span><span class="token plain"> </span><span class="token function" style="color:rgb(130, 170, 255)">useState</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token string" style="color:rgb(195, 232, 141)">""</span><span class="token punctuation" style="color:rgb(199, 146, 234)">)</span><span class="token punctuation" style="color:rgb(199, 146, 234)">;</span><span class="token plain"></span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"> </span><span class="token keyword" style="font-style:italic">const</span><span class="token plain"> </span><span class="token punctuation" style="color:rgb(199, 146, 234)">[</span><span class="token plain">newAd</span><span class="token punctuation" style="color:rgb(199, 146, 234)">,</span><span class="token plain"> setNewAd</span><span class="token punctuation" style="color:rgb(199, 146, 234)">]</span><span class="token plain"> </span><span class="token operator" style="color:rgb(137, 221, 255)">=</span><span class="token plain"> </span><span class="token function" style="color:rgb(130, 170, 255)">useState</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token string" style="color:rgb(195, 232, 141)">""</span><span class="token punctuation" style="color:rgb(199, 146, 234)">)</span><span class="token punctuation" style="color:rgb(199, 146, 234)">;</span><span class="token plain"></span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"> </span><span class="token keyword" style="font-style:italic">const</span><span class="token plain"> </span><span class="token punctuation" style="color:rgb(199, 146, 234)">[</span><span class="token plain">bidAmount</span><span class="token punctuation" style="color:rgb(199, 146, 234)">,</span><span class="token plain"> setBidAmount</span><span class="token punctuation" style="color:rgb(199, 146, 234)">]</span><span class="token plain"> </span><span class="token operator" style="color:rgb(137, 221, 255)">=</span><span class="token plain"> </span><span class="token function" style="color:rgb(130, 170, 255)">useState</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token string" style="color:rgb(195, 232, 141)">""</span><span class="token punctuation" style="color:rgb(199, 146, 234)">)</span><span class="token punctuation" style="color:rgb(199, 146, 234)">;</span><span class="token plain"></span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"> </span><span class="token keyword" style="font-style:italic">const</span><span class="token plain"> </span><span class="token punctuation" style="color:rgb(199, 146, 234)">[</span><span class="token plain">provider</span><span class="token punctuation" style="color:rgb(199, 146, 234)">,</span><span class="token plain"> setProvider</span><span class="token punctuation" style="color:rgb(199, 146, 234)">]</span><span class="token plain"> </span><span class="token operator" style="color:rgb(137, 221, 255)">=</span><span class="token plain"> </span><span class="token function" style="color:rgb(130, 170, 255)">useState</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token keyword null nil" style="font-style:italic">null</span><span class="token punctuation" style="color:rgb(199, 146, 234)">)</span><span class="token punctuation" style="color:rgb(199, 146, 234)">;</span><span class="token plain"></span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"> </span><span class="token keyword" style="font-style:italic">const</span><span class="token plain"> </span><span class="token punctuation" style="color:rgb(199, 146, 234)">[</span><span class="token plain">status</span><span class="token punctuation" style="color:rgb(199, 146, 234)">,</span><span class="token plain"> setStatus</span><span class="token punctuation" style="color:rgb(199, 146, 234)">]</span><span class="token plain"> </span><span class="token operator" style="color:rgb(137, 221, 255)">=</span><span class="token plain"> </span><span class="token function" style="color:rgb(130, 170, 255)">useState</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token string" style="color:rgb(195, 232, 141)">""</span><span class="token punctuation" style="color:rgb(199, 146, 234)">)</span><span class="token punctuation" style="color:rgb(199, 146, 234)">;</span><span class="token plain"></span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain" style="display:inline-block"></span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"> </span><span class="token comment" style="color:rgb(105, 112, 152);font-style:italic">// Rest of the code...</span><span class="token plain"></span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"></span><span class="token punctuation" style="color:rgb(199, 146, 234)">}</span><span class="token punctuation" style="color:rgb(199, 146, 234)">;</span><span class="token plain"></span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain" style="display:inline-block"></span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"></span><span class="token keyword module" style="font-style:italic">export</span><span class="token plain"> </span><span class="token keyword module" style="font-style:italic">default</span><span class="token plain"> </span><span class="token maybe-class-name">App</span><span class="token punctuation" style="color:rgb(199, 146, 234)">;</span><br></span></code></pre><div class="buttonGroup__atx"><button type="button" aria-label="Copy code to clipboard" title="Copy" class="clean-btn"><span class="copyButtonIcons_eSgA" aria-hidden="true"><svg viewBox="0 0 24 24" class="copyButtonIcon_y97N"><path fill="currentColor" d="M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z"></path></svg><svg viewBox="0 0 24 24" class="copyButtonSuccessIcon_LjdS"><path fill="currentColor" d="M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z"></path></svg></span></button></div></div></div>
|
||
<blockquote>
|
||
<p><strong>Important:</strong> Replace <code>"YOUR_CONTRACT_ADDRESS"</code> with the address of your deployed <code>BidBoard</code> contract. Paste the ABI of your contract in the <code>abi</code> array.</p>
|
||
</blockquote>
|
||
<h3 class="anchor anchorWithStickyNavbar_LWe7" id="setting-up-the-provider">Setting Up the Provider<a href="#setting-up-the-provider" class="hash-link" aria-label="Direct link to Setting Up the Provider" title="Direct link to Setting Up the Provider"></a></h3>
|
||
<p>Add the following code inside the <code>App</code> component to set up the provider:</p>
|
||
<div class="language-jsx codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#bfc7d5;--prism-background-color:#292d3e"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-jsx codeBlock_bY9V thin-scrollbar" style="color:#bfc7d5;background-color:#292d3e"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#bfc7d5"><span class="token function" style="color:rgb(130, 170, 255)">useEffect</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token punctuation" style="color:rgb(199, 146, 234)">)</span><span class="token plain"> </span><span class="token arrow operator" style="color:rgb(137, 221, 255)">=></span><span class="token plain"> </span><span class="token punctuation" style="color:rgb(199, 146, 234)">{</span><span class="token plain"></span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"> </span><span class="token keyword control-flow" style="font-style:italic">if</span><span class="token plain"> </span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token keyword" style="font-style:italic">typeof</span><span class="token plain"> </span><span class="token dom variable" style="color:rgb(191, 199, 213)">window</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token property-access">ethereum</span><span class="token plain"> </span><span class="token operator" style="color:rgb(137, 221, 255)">!==</span><span class="token plain"> </span><span class="token string" style="color:rgb(195, 232, 141)">"undefined"</span><span class="token punctuation" style="color:rgb(199, 146, 234)">)</span><span class="token plain"> </span><span class="token punctuation" style="color:rgb(199, 146, 234)">{</span><span class="token plain"></span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"> </span><span class="token keyword" style="font-style:italic">const</span><span class="token plain"> newProvider </span><span class="token operator" style="color:rgb(137, 221, 255)">=</span><span class="token plain"> </span><span class="token keyword" style="font-style:italic">new</span><span class="token plain"> </span><span class="token class-name" style="color:rgb(255, 203, 107)">ethers</span><span class="token class-name punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token class-name" style="color:rgb(255, 203, 107)">providers</span><span class="token class-name punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token class-name" style="color:rgb(255, 203, 107)">Web3Provider</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token dom variable" style="color:rgb(191, 199, 213)">window</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token property-access">ethereum</span><span class="token punctuation" style="color:rgb(199, 146, 234)">)</span><span class="token punctuation" style="color:rgb(199, 146, 234)">;</span><span class="token plain"></span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"> </span><span class="token function" style="color:rgb(130, 170, 255)">setProvider</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token plain">newProvider</span><span class="token punctuation" style="color:rgb(199, 146, 234)">)</span><span class="token punctuation" style="color:rgb(199, 146, 234)">;</span><span class="token plain"></span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"> </span><span class="token punctuation" style="color:rgb(199, 146, 234)">}</span><span class="token plain"> </span><span class="token keyword control-flow" style="font-style:italic">else</span><span class="token plain"> </span><span class="token punctuation" style="color:rgb(199, 146, 234)">{</span><span class="token plain"></span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"> </span><span class="token console class-name" style="color:rgb(255, 203, 107)">console</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token method function property-access" style="color:rgb(130, 170, 255)">error</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token string" style="color:rgb(195, 232, 141)">"Please install MetaMask!"</span><span class="token punctuation" style="color:rgb(199, 146, 234)">)</span><span class="token punctuation" style="color:rgb(199, 146, 234)">;</span><span class="token plain"></span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"> </span><span class="token punctuation" style="color:rgb(199, 146, 234)">}</span><span class="token plain"></span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"></span><span class="token punctuation" style="color:rgb(199, 146, 234)">}</span><span class="token punctuation" style="color:rgb(199, 146, 234)">,</span><span class="token plain"> </span><span class="token punctuation" style="color:rgb(199, 146, 234)">[</span><span class="token punctuation" style="color:rgb(199, 146, 234)">]</span><span class="token punctuation" style="color:rgb(199, 146, 234)">)</span><span class="token punctuation" style="color:rgb(199, 146, 234)">;</span><br></span></code></pre><div class="buttonGroup__atx"><button type="button" aria-label="Copy code to clipboard" title="Copy" class="clean-btn"><span class="copyButtonIcons_eSgA" aria-hidden="true"><svg viewBox="0 0 24 24" class="copyButtonIcon_y97N"><path fill="currentColor" d="M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z"></path></svg><svg viewBox="0 0 24 24" class="copyButtonSuccessIcon_LjdS"><path fill="currentColor" d="M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z"></path></svg></span></button></div></div></div>
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<h3 class="anchor anchorWithStickyNavbar_LWe7" id="fetch-current-advertisement-data">Fetch Current Advertisement Data<a href="#fetch-current-advertisement-data" class="hash-link" aria-label="Direct link to Fetch Current Advertisement Data" title="Direct link to Fetch Current Advertisement Data"></a></h3>
|
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<p>Add a function to fetch the current advertisement data:</p>
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<div class="language-jsx codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#bfc7d5;--prism-background-color:#292d3e"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-jsx codeBlock_bY9V thin-scrollbar" style="color:#bfc7d5;background-color:#292d3e"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#bfc7d5"><span class="token keyword" style="font-style:italic">const</span><span class="token plain"> </span><span class="token function-variable function" style="color:rgb(130, 170, 255)">fetchCurrentAd</span><span class="token plain"> </span><span class="token operator" style="color:rgb(137, 221, 255)">=</span><span class="token plain"> </span><span class="token keyword" style="font-style:italic">async</span><span class="token plain"> </span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token punctuation" style="color:rgb(199, 146, 234)">)</span><span class="token plain"> </span><span class="token arrow operator" style="color:rgb(137, 221, 255)">=></span><span class="token plain"> </span><span class="token punctuation" style="color:rgb(199, 146, 234)">{</span><span class="token plain"></span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"> </span><span class="token keyword control-flow" style="font-style:italic">try</span><span class="token plain"> </span><span class="token punctuation" style="color:rgb(199, 146, 234)">{</span><span class="token plain"></span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"> </span><span class="token keyword" style="font-style:italic">const</span><span class="token plain"> contract </span><span class="token operator" style="color:rgb(137, 221, 255)">=</span><span class="token plain"> </span><span class="token keyword" style="font-style:italic">new</span><span class="token plain"> </span><span class="token class-name" style="color:rgb(255, 203, 107)">ethers</span><span class="token class-name punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token class-name" style="color:rgb(255, 203, 107)">Contract</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token plain">contractAddress</span><span class="token punctuation" style="color:rgb(199, 146, 234)">,</span><span class="token plain"> abi</span><span class="token punctuation" style="color:rgb(199, 146, 234)">,</span><span class="token plain"> provider</span><span class="token punctuation" style="color:rgb(199, 146, 234)">)</span><span class="token punctuation" style="color:rgb(199, 146, 234)">;</span><span class="token plain"></span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"> </span><span class="token keyword" style="font-style:italic">const</span><span class="token plain"> adData </span><span class="token operator" style="color:rgb(137, 221, 255)">=</span><span class="token plain"> </span><span class="token keyword control-flow" style="font-style:italic">await</span><span class="token plain"> contract</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token method function property-access" style="color:rgb(130, 170, 255)">getCurrentAd</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token punctuation" style="color:rgb(199, 146, 234)">)</span><span class="token punctuation" style="color:rgb(199, 146, 234)">;</span><span class="token plain"></span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"> </span><span class="token function" style="color:rgb(130, 170, 255)">setCurrentAd</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token plain">adData</span><span class="token punctuation" style="color:rgb(199, 146, 234)">[</span><span class="token number" style="color:rgb(247, 140, 108)">0</span><span class="token punctuation" style="color:rgb(199, 146, 234)">]</span><span class="token punctuation" style="color:rgb(199, 146, 234)">)</span><span class="token punctuation" style="color:rgb(199, 146, 234)">;</span><span class="token plain"></span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"> </span><span class="token function" style="color:rgb(130, 170, 255)">setAdvertiser</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token plain">adData</span><span class="token punctuation" style="color:rgb(199, 146, 234)">[</span><span class="token number" style="color:rgb(247, 140, 108)">1</span><span class="token punctuation" style="color:rgb(199, 146, 234)">]</span><span class="token punctuation" style="color:rgb(199, 146, 234)">)</span><span class="token punctuation" style="color:rgb(199, 146, 234)">;</span><span class="token plain"></span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"> </span><span class="token function" style="color:rgb(130, 170, 255)">setCurrentBid</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token plain">ethers</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token property-access">utils</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token method function property-access" style="color:rgb(130, 170, 255)">formatEther</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token plain">adData</span><span class="token punctuation" style="color:rgb(199, 146, 234)">[</span><span class="token number" style="color:rgb(247, 140, 108)">2</span><span class="token punctuation" style="color:rgb(199, 146, 234)">]</span><span class="token punctuation" style="color:rgb(199, 146, 234)">)</span><span class="token punctuation" style="color:rgb(199, 146, 234)">)</span><span class="token punctuation" style="color:rgb(199, 146, 234)">;</span><span class="token plain"></span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"> </span><span class="token punctuation" style="color:rgb(199, 146, 234)">}</span><span class="token plain"> </span><span class="token keyword control-flow" style="font-style:italic">catch</span><span class="token plain"> </span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token plain">error</span><span class="token punctuation" style="color:rgb(199, 146, 234)">)</span><span class="token plain"> </span><span class="token punctuation" style="color:rgb(199, 146, 234)">{</span><span class="token plain"></span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"> </span><span class="token console class-name" style="color:rgb(255, 203, 107)">console</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token method function property-access" style="color:rgb(130, 170, 255)">error</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token string" style="color:rgb(195, 232, 141)">"Error fetching current ad:"</span><span class="token punctuation" style="color:rgb(199, 146, 234)">,</span><span class="token plain"> error</span><span class="token punctuation" style="color:rgb(199, 146, 234)">)</span><span class="token punctuation" style="color:rgb(199, 146, 234)">;</span><span class="token plain"></span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"> </span><span class="token punctuation" style="color:rgb(199, 146, 234)">}</span><span class="token plain"></span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"></span><span class="token punctuation" style="color:rgb(199, 146, 234)">}</span><span class="token punctuation" style="color:rgb(199, 146, 234)">;</span><span class="token plain"></span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain" style="display:inline-block"></span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"></span><span class="token function" style="color:rgb(130, 170, 255)">useEffect</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token punctuation" style="color:rgb(199, 146, 234)">)</span><span class="token plain"> </span><span class="token arrow operator" style="color:rgb(137, 221, 255)">=></span><span class="token plain"> </span><span class="token punctuation" style="color:rgb(199, 146, 234)">{</span><span class="token plain"></span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"> </span><span class="token keyword control-flow" style="font-style:italic">if</span><span class="token plain"> </span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token plain">provider</span><span class="token punctuation" style="color:rgb(199, 146, 234)">)</span><span class="token plain"> </span><span class="token punctuation" style="color:rgb(199, 146, 234)">{</span><span class="token plain"></span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"> </span><span class="token function" style="color:rgb(130, 170, 255)">fetchCurrentAd</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token punctuation" style="color:rgb(199, 146, 234)">)</span><span class="token punctuation" style="color:rgb(199, 146, 234)">;</span><span class="token plain"></span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"> </span><span class="token punctuation" style="color:rgb(199, 146, 234)">}</span><span class="token plain"></span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"></span><span class="token punctuation" style="color:rgb(199, 146, 234)">}</span><span class="token punctuation" style="color:rgb(199, 146, 234)">,</span><span class="token plain"> </span><span class="token punctuation" style="color:rgb(199, 146, 234)">[</span><span class="token plain">provider</span><span class="token punctuation" style="color:rgb(199, 146, 234)">]</span><span class="token punctuation" style="color:rgb(199, 146, 234)">)</span><span class="token punctuation" style="color:rgb(199, 146, 234)">;</span><br></span></code></pre><div class="buttonGroup__atx"><button type="button" aria-label="Copy code to clipboard" title="Copy" class="clean-btn"><span class="copyButtonIcons_eSgA" aria-hidden="true"><svg viewBox="0 0 24 24" class="copyButtonIcon_y97N"><path fill="currentColor" d="M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z"></path></svg><svg viewBox="0 0 24 24" class="copyButtonSuccessIcon_LjdS"><path fill="currentColor" d="M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z"></path></svg></span></button></div></div></div>
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<h3 class="anchor anchorWithStickyNavbar_LWe7" id="submit-a-new-bid">Submit a New Bid<a href="#submit-a-new-bid" class="hash-link" aria-label="Direct link to Submit a New Bid" title="Direct link to Submit a New Bid"></a></h3>
|
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<p>Add a function to submit a new bid:</p>
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<div class="language-jsx codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#bfc7d5;--prism-background-color:#292d3e"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-jsx codeBlock_bY9V thin-scrollbar" style="color:#bfc7d5;background-color:#292d3e"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#bfc7d5"><span class="token keyword" style="font-style:italic">const</span><span class="token plain"> </span><span class="token function-variable function" style="color:rgb(130, 170, 255)">submitBid</span><span class="token plain"> </span><span class="token operator" style="color:rgb(137, 221, 255)">=</span><span class="token plain"> </span><span class="token keyword" style="font-style:italic">async</span><span class="token plain"> </span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token punctuation" style="color:rgb(199, 146, 234)">)</span><span class="token plain"> </span><span class="token arrow operator" style="color:rgb(137, 221, 255)">=></span><span class="token plain"> </span><span class="token punctuation" style="color:rgb(199, 146, 234)">{</span><span class="token plain"></span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"> </span><span class="token keyword control-flow" style="font-style:italic">if</span><span class="token plain"> </span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token operator" style="color:rgb(137, 221, 255)">!</span><span class="token plain">newAd </span><span class="token operator" style="color:rgb(137, 221, 255)">||</span><span class="token plain"> </span><span class="token operator" style="color:rgb(137, 221, 255)">!</span><span class="token plain">bidAmount</span><span class="token punctuation" style="color:rgb(199, 146, 234)">)</span><span class="token plain"> </span><span class="token punctuation" style="color:rgb(199, 146, 234)">{</span><span class="token plain"></span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"> </span><span class="token function" style="color:rgb(130, 170, 255)">setStatus</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token string" style="color:rgb(195, 232, 141)">"Please enter an ad message and bid amount."</span><span class="token punctuation" style="color:rgb(199, 146, 234)">)</span><span class="token punctuation" style="color:rgb(199, 146, 234)">;</span><span class="token plain"></span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"> </span><span class="token keyword control-flow" style="font-style:italic">return</span><span class="token punctuation" style="color:rgb(199, 146, 234)">;</span><span class="token plain"></span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"> </span><span class="token punctuation" style="color:rgb(199, 146, 234)">}</span><span class="token plain"></span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain" style="display:inline-block"></span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"> </span><span class="token keyword control-flow" style="font-style:italic">try</span><span class="token plain"> </span><span class="token punctuation" style="color:rgb(199, 146, 234)">{</span><span class="token plain"></span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"> </span><span class="token keyword" style="font-style:italic">const</span><span class="token plain"> signer </span><span class="token operator" style="color:rgb(137, 221, 255)">=</span><span class="token plain"> provider</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token method function property-access" style="color:rgb(130, 170, 255)">getSigner</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token punctuation" style="color:rgb(199, 146, 234)">)</span><span class="token punctuation" style="color:rgb(199, 146, 234)">;</span><span class="token plain"></span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"> </span><span class="token keyword" style="font-style:italic">const</span><span class="token plain"> contract </span><span class="token operator" style="color:rgb(137, 221, 255)">=</span><span class="token plain"> </span><span class="token keyword" style="font-style:italic">new</span><span class="token plain"> </span><span class="token class-name" style="color:rgb(255, 203, 107)">ethers</span><span class="token class-name punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token class-name" style="color:rgb(255, 203, 107)">Contract</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token plain">contractAddress</span><span class="token punctuation" style="color:rgb(199, 146, 234)">,</span><span class="token plain"> abi</span><span class="token punctuation" style="color:rgb(199, 146, 234)">,</span><span class="token plain"> signer</span><span class="token punctuation" style="color:rgb(199, 146, 234)">)</span><span class="token punctuation" style="color:rgb(199, 146, 234)">;</span><span class="token plain"></span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"> </span><span class="token keyword" style="font-style:italic">const</span><span class="token plain"> tx </span><span class="token operator" style="color:rgb(137, 221, 255)">=</span><span class="token plain"> </span><span class="token keyword control-flow" style="font-style:italic">await</span><span class="token plain"> contract</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token method function property-access" style="color:rgb(130, 170, 255)">updateAd</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token plain">newAd</span><span class="token punctuation" style="color:rgb(199, 146, 234)">,</span><span class="token plain"> </span><span class="token punctuation" style="color:rgb(199, 146, 234)">{</span><span class="token plain"></span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"> </span><span class="token literal-property property">value</span><span class="token operator" style="color:rgb(137, 221, 255)">:</span><span class="token plain"> ethers</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token property-access">utils</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token method function property-access" style="color:rgb(130, 170, 255)">parseEther</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token plain">bidAmount</span><span class="token punctuation" style="color:rgb(199, 146, 234)">)</span><span class="token punctuation" style="color:rgb(199, 146, 234)">,</span><span class="token plain"></span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"> </span><span class="token punctuation" style="color:rgb(199, 146, 234)">}</span><span class="token punctuation" style="color:rgb(199, 146, 234)">)</span><span class="token punctuation" style="color:rgb(199, 146, 234)">;</span><span class="token plain"></span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"> </span><span class="token function" style="color:rgb(130, 170, 255)">setStatus</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token string" style="color:rgb(195, 232, 141)">"Transaction sent, waiting for confirmation..."</span><span class="token punctuation" style="color:rgb(199, 146, 234)">)</span><span class="token punctuation" style="color:rgb(199, 146, 234)">;</span><span class="token plain"></span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"> </span><span class="token keyword control-flow" style="font-style:italic">await</span><span class="token plain"> tx</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token method function property-access" style="color:rgb(130, 170, 255)">wait</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token punctuation" style="color:rgb(199, 146, 234)">)</span><span class="token punctuation" style="color:rgb(199, 146, 234)">;</span><span class="token plain"></span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"> </span><span class="token function" style="color:rgb(130, 170, 255)">setStatus</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token string" style="color:rgb(195, 232, 141)">"Transaction confirmed!"</span><span class="token punctuation" style="color:rgb(199, 146, 234)">)</span><span class="token punctuation" style="color:rgb(199, 146, 234)">;</span><span class="token plain"></span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"> </span><span class="token function" style="color:rgb(130, 170, 255)">setNewAd</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token string" style="color:rgb(195, 232, 141)">""</span><span class="token punctuation" style="color:rgb(199, 146, 234)">)</span><span class="token punctuation" style="color:rgb(199, 146, 234)">;</span><span class="token plain"></span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"> </span><span class="token function" style="color:rgb(130, 170, 255)">setBidAmount</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token string" style="color:rgb(195, 232, 141)">""</span><span class="token punctuation" style="color:rgb(199, 146, 234)">)</span><span class="token punctuation" style="color:rgb(199, 146, 234)">;</span><span class="token plain"></span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"> </span><span class="token function" style="color:rgb(130, 170, 255)">fetchCurrentAd</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token punctuation" style="color:rgb(199, 146, 234)">)</span><span class="token punctuation" style="color:rgb(199, 146, 234)">;</span><span class="token plain"></span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"> </span><span class="token punctuation" style="color:rgb(199, 146, 234)">}</span><span class="token plain"> </span><span class="token keyword control-flow" style="font-style:italic">catch</span><span class="token plain"> </span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token plain">err</span><span class="token punctuation" style="color:rgb(199, 146, 234)">)</span><span class="token plain"> </span><span class="token punctuation" style="color:rgb(199, 146, 234)">{</span><span class="token plain"></span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"> </span><span class="token console class-name" style="color:rgb(255, 203, 107)">console</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token method function property-access" style="color:rgb(130, 170, 255)">error</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token plain">err</span><span class="token punctuation" style="color:rgb(199, 146, 234)">)</span><span class="token punctuation" style="color:rgb(199, 146, 234)">;</span><span class="token plain"></span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"> </span><span class="token function" style="color:rgb(130, 170, 255)">setStatus</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token string" style="color:rgb(195, 232, 141)">"Error: "</span><span class="token plain"> </span><span class="token operator" style="color:rgb(137, 221, 255)">+</span><span class="token plain"> err</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token property-access">message</span><span class="token punctuation" style="color:rgb(199, 146, 234)">)</span><span class="token punctuation" style="color:rgb(199, 146, 234)">;</span><span class="token plain"></span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"> </span><span class="token punctuation" style="color:rgb(199, 146, 234)">}</span><span class="token plain"></span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"></span><span class="token punctuation" style="color:rgb(199, 146, 234)">}</span><span class="token punctuation" style="color:rgb(199, 146, 234)">;</span><br></span></code></pre><div class="buttonGroup__atx"><button type="button" aria-label="Copy code to clipboard" title="Copy" class="clean-btn"><span class="copyButtonIcons_eSgA" aria-hidden="true"><svg viewBox="0 0 24 24" class="copyButtonIcon_y97N"><path fill="currentColor" d="M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z"></path></svg><svg viewBox="0 0 24 24" class="copyButtonSuccessIcon_LjdS"><path fill="currentColor" d="M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z"></path></svg></span></button></div></div></div>
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<h3 class="anchor anchorWithStickyNavbar_LWe7" id="listen-to-contract-events">Listen to Contract Events<a href="#listen-to-contract-events" class="hash-link" aria-label="Direct link to Listen to Contract Events" title="Direct link to Listen to Contract Events"></a></h3>
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<p>Add code to listen to the <code>AdUpdated</code> event:</p>
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<div class="language-jsx codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#bfc7d5;--prism-background-color:#292d3e"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-jsx codeBlock_bY9V thin-scrollbar" style="color:#bfc7d5;background-color:#292d3e"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#bfc7d5"><span class="token function" style="color:rgb(130, 170, 255)">useEffect</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token punctuation" style="color:rgb(199, 146, 234)">)</span><span class="token plain"> </span><span class="token arrow operator" style="color:rgb(137, 221, 255)">=></span><span class="token plain"> </span><span class="token punctuation" style="color:rgb(199, 146, 234)">{</span><span class="token plain"></span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"> </span><span class="token keyword" style="font-style:italic">let</span><span class="token plain"> contract</span><span class="token punctuation" style="color:rgb(199, 146, 234)">;</span><span class="token plain"></span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain" style="display:inline-block"></span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"> </span><span class="token keyword" style="font-style:italic">const</span><span class="token plain"> </span><span class="token function-variable function" style="color:rgb(130, 170, 255)">setupEventListener</span><span class="token plain"> </span><span class="token operator" style="color:rgb(137, 221, 255)">=</span><span class="token plain"> </span><span class="token keyword" style="font-style:italic">async</span><span class="token plain"> </span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token punctuation" style="color:rgb(199, 146, 234)">)</span><span class="token plain"> </span><span class="token arrow operator" style="color:rgb(137, 221, 255)">=></span><span class="token plain"> </span><span class="token punctuation" style="color:rgb(199, 146, 234)">{</span><span class="token plain"></span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"> </span><span class="token keyword control-flow" style="font-style:italic">if</span><span class="token plain"> </span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token plain">provider</span><span class="token punctuation" style="color:rgb(199, 146, 234)">)</span><span class="token plain"> </span><span class="token punctuation" style="color:rgb(199, 146, 234)">{</span><span class="token plain"></span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"> contract </span><span class="token operator" style="color:rgb(137, 221, 255)">=</span><span class="token plain"> </span><span class="token keyword" style="font-style:italic">new</span><span class="token plain"> </span><span class="token class-name" style="color:rgb(255, 203, 107)">ethers</span><span class="token class-name punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token class-name" style="color:rgb(255, 203, 107)">Contract</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token plain">contractAddress</span><span class="token punctuation" style="color:rgb(199, 146, 234)">,</span><span class="token plain"> abi</span><span class="token punctuation" style="color:rgb(199, 146, 234)">,</span><span class="token plain"> provider</span><span class="token punctuation" style="color:rgb(199, 146, 234)">)</span><span class="token punctuation" style="color:rgb(199, 146, 234)">;</span><span class="token plain"></span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"> contract</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token method function property-access" style="color:rgb(130, 170, 255)">on</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token string" style="color:rgb(195, 232, 141)">"AdUpdated"</span><span class="token punctuation" style="color:rgb(199, 146, 234)">,</span><span class="token plain"> </span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token parameter">newAd</span><span class="token parameter punctuation" style="color:rgb(199, 146, 234)">,</span><span class="token parameter"> newAdvertiser</span><span class="token parameter punctuation" style="color:rgb(199, 146, 234)">,</span><span class="token parameter"> newBid</span><span class="token punctuation" style="color:rgb(199, 146, 234)">)</span><span class="token plain"> </span><span class="token arrow operator" style="color:rgb(137, 221, 255)">=></span><span class="token plain"> </span><span class="token punctuation" style="color:rgb(199, 146, 234)">{</span><span class="token plain"></span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"> </span><span class="token function" style="color:rgb(130, 170, 255)">setCurrentAd</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token plain">newAd</span><span class="token punctuation" style="color:rgb(199, 146, 234)">)</span><span class="token punctuation" style="color:rgb(199, 146, 234)">;</span><span class="token plain"></span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"> </span><span class="token function" style="color:rgb(130, 170, 255)">setAdvertiser</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token plain">newAdvertiser</span><span class="token punctuation" style="color:rgb(199, 146, 234)">)</span><span class="token punctuation" style="color:rgb(199, 146, 234)">;</span><span class="token plain"></span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"> </span><span class="token function" style="color:rgb(130, 170, 255)">setCurrentBid</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token plain">ethers</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token property-access">utils</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token method function property-access" style="color:rgb(130, 170, 255)">formatEther</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token plain">newBid</span><span class="token punctuation" style="color:rgb(199, 146, 234)">)</span><span class="token punctuation" style="color:rgb(199, 146, 234)">)</span><span class="token punctuation" style="color:rgb(199, 146, 234)">;</span><span class="token plain"></span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"> </span><span class="token punctuation" style="color:rgb(199, 146, 234)">}</span><span class="token punctuation" style="color:rgb(199, 146, 234)">)</span><span class="token punctuation" style="color:rgb(199, 146, 234)">;</span><span class="token plain"></span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"> </span><span class="token punctuation" style="color:rgb(199, 146, 234)">}</span><span class="token plain"></span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"> </span><span class="token punctuation" style="color:rgb(199, 146, 234)">}</span><span class="token punctuation" style="color:rgb(199, 146, 234)">;</span><span class="token plain"></span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain" style="display:inline-block"></span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"> </span><span class="token function" style="color:rgb(130, 170, 255)">setupEventListener</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token punctuation" style="color:rgb(199, 146, 234)">)</span><span class="token punctuation" style="color:rgb(199, 146, 234)">;</span><span class="token plain"></span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain" style="display:inline-block"></span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"> </span><span class="token keyword control-flow" style="font-style:italic">return</span><span class="token plain"> </span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token punctuation" style="color:rgb(199, 146, 234)">)</span><span class="token plain"> </span><span class="token arrow operator" style="color:rgb(137, 221, 255)">=></span><span class="token plain"> </span><span class="token punctuation" style="color:rgb(199, 146, 234)">{</span><span class="token plain"></span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"> </span><span class="token keyword control-flow" style="font-style:italic">if</span><span class="token plain"> </span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token plain">contract</span><span class="token punctuation" style="color:rgb(199, 146, 234)">)</span><span class="token plain"> </span><span class="token punctuation" style="color:rgb(199, 146, 234)">{</span><span class="token plain"></span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"> contract</span><span class="token punctuation" style="color:rgb(199, 146, 234)">.</span><span class="token method function property-access" style="color:rgb(130, 170, 255)">removeAllListeners</span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token string" style="color:rgb(195, 232, 141)">"AdUpdated"</span><span class="token punctuation" style="color:rgb(199, 146, 234)">)</span><span class="token punctuation" style="color:rgb(199, 146, 234)">;</span><span class="token plain"></span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"> </span><span class="token punctuation" style="color:rgb(199, 146, 234)">}</span><span class="token plain"></span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"> </span><span class="token punctuation" style="color:rgb(199, 146, 234)">}</span><span class="token punctuation" style="color:rgb(199, 146, 234)">;</span><span class="token plain"></span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"></span><span class="token punctuation" style="color:rgb(199, 146, 234)">}</span><span class="token punctuation" style="color:rgb(199, 146, 234)">,</span><span class="token plain"> </span><span class="token punctuation" style="color:rgb(199, 146, 234)">[</span><span class="token plain">provider</span><span class="token punctuation" style="color:rgb(199, 146, 234)">]</span><span class="token punctuation" style="color:rgb(199, 146, 234)">)</span><span class="token punctuation" style="color:rgb(199, 146, 234)">;</span><br></span></code></pre><div class="buttonGroup__atx"><button type="button" aria-label="Copy code to clipboard" title="Copy" class="clean-btn"><span class="copyButtonIcons_eSgA" aria-hidden="true"><svg viewBox="0 0 24 24" class="copyButtonIcon_y97N"><path fill="currentColor" d="M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z"></path></svg><svg viewBox="0 0 24 24" class="copyButtonSuccessIcon_LjdS"><path fill="currentColor" d="M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z"></path></svg></span></button></div></div></div>
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<hr>
|
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<h2 class="anchor anchorWithStickyNavbar_LWe7" id="creating-the-user-interface">Creating the User Interface<a href="#creating-the-user-interface" class="hash-link" aria-label="Direct link to Creating the User Interface" title="Direct link to Creating the User Interface"></a></h2>
|
||
<p>Update the <code>return</code> statement in the <code>App</code> component:</p>
|
||
<div class="language-jsx codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#bfc7d5;--prism-background-color:#292d3e"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-jsx codeBlock_bY9V thin-scrollbar" style="color:#bfc7d5;background-color:#292d3e"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#bfc7d5"><span class="token keyword control-flow" style="font-style:italic">return</span><span class="token plain"> </span><span class="token punctuation" style="color:rgb(199, 146, 234)">(</span><span class="token plain"></span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"> </span><span class="token tag punctuation" style="color:rgb(199, 146, 234)"><</span><span class="token tag" style="color:rgb(255, 85, 114)">div</span><span class="token tag" style="color:rgb(255, 85, 114)"> </span><span class="token tag attr-name" style="color:rgb(255, 203, 107)">className</span><span class="token tag attr-value punctuation attr-equals" style="color:rgb(199, 146, 234)">=</span><span class="token tag attr-value punctuation" style="color:rgb(199, 146, 234)">"</span><span class="token tag attr-value" style="color:rgb(255, 85, 114)">app</span><span class="token tag attr-value punctuation" style="color:rgb(199, 146, 234)">"</span><span class="token tag punctuation" style="color:rgb(199, 146, 234)">></span><span class="token plain-text"></span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain-text"> </span><span class="token punctuation" style="color:rgb(199, 146, 234)">{</span><span class="token comment" style="color:rgb(105, 112, 152);font-style:italic">/* Header */</span><span class="token punctuation" style="color:rgb(199, 146, 234)">}</span><span class="token plain-text"></span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain-text"> </span><span class="token tag punctuation" style="color:rgb(199, 146, 234)"><</span><span class="token tag" style="color:rgb(255, 85, 114)">header</span><span class="token tag punctuation" style="color:rgb(199, 146, 234)">></span><span class="token plain-text"></span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain-text"> </span><span class="token tag punctuation" style="color:rgb(199, 146, 234)"><</span><span class="token tag" style="color:rgb(255, 85, 114)">h1</span><span class="token tag punctuation" style="color:rgb(199, 146, 234)">></span><span class="token plain-text">BidBoard</span><span class="token tag punctuation" style="color:rgb(199, 146, 234)"></</span><span class="token tag" style="color:rgb(255, 85, 114)">h1</span><span class="token tag punctuation" style="color:rgb(199, 146, 234)">></span><span class="token plain-text"></span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain-text"> </span><span class="token tag punctuation" style="color:rgb(199, 146, 234)"><</span><span class="token tag" style="color:rgb(255, 85, 114)">p</span><span class="token tag punctuation" style="color:rgb(199, 146, 234)">></span><span class="token plain-text">Status: </span><span class="token punctuation" style="color:rgb(199, 146, 234)">{</span><span class="token plain">status</span><span class="token punctuation" style="color:rgb(199, 146, 234)">}</span><span class="token tag punctuation" style="color:rgb(199, 146, 234)"></</span><span class="token tag" style="color:rgb(255, 85, 114)">p</span><span class="token tag punctuation" style="color:rgb(199, 146, 234)">></span><span class="token plain-text"></span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain-text"> </span><span class="token tag punctuation" style="color:rgb(199, 146, 234)"></</span><span class="token tag" style="color:rgb(255, 85, 114)">header</span><span class="token tag punctuation" style="color:rgb(199, 146, 234)">></span><span class="token plain-text"></span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain-text"></span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain-text"> </span><span class="token punctuation" style="color:rgb(199, 146, 234)">{</span><span class="token comment" style="color:rgb(105, 112, 152);font-style:italic">/* Current Advertisement */</span><span class="token punctuation" style="color:rgb(199, 146, 234)">}</span><span class="token plain-text"></span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain-text"> </span><span class="token tag punctuation" style="color:rgb(199, 146, 234)"><</span><span class="token tag" style="color:rgb(255, 85, 114)">section</span><span class="token tag" style="color:rgb(255, 85, 114)"> </span><span class="token tag attr-name" style="color:rgb(255, 203, 107)">className</span><span class="token tag attr-value punctuation attr-equals" style="color:rgb(199, 146, 234)">=</span><span class="token tag attr-value 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114)">_blank</span><span class="token tag attr-value punctuation" style="color:rgb(199, 146, 234)">"</span><span class="token tag" style="color:rgb(255, 85, 114)"></span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token tag" style="color:rgb(255, 85, 114)"> </span><span class="token tag attr-name" style="color:rgb(255, 203, 107)">rel</span><span class="token tag attr-value punctuation attr-equals" style="color:rgb(199, 146, 234)">=</span><span class="token tag attr-value punctuation" style="color:rgb(199, 146, 234)">"</span><span class="token tag attr-value" style="color:rgb(255, 85, 114)">noopener noreferrer</span><span class="token tag attr-value punctuation" style="color:rgb(199, 146, 234)">"</span><span class="token tag" style="color:rgb(255, 85, 114)"></span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token tag" style="color:rgb(255, 85, 114)"> </span><span class="token tag punctuation" style="color:rgb(199, 146, 234)">></span><span class="token plain-text"></span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain-text"> GitHub Repository</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain-text"> </span><span class="token tag punctuation" style="color:rgb(199, 146, 234)"></</span><span class="token tag" style="color:rgb(255, 85, 114)">a</span><span class="token tag punctuation" style="color:rgb(199, 146, 234)">></span><span class="token plain-text"></span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain-text"> </span><span class="token tag punctuation" style="color:rgb(199, 146, 234)"></</span><span class="token tag" style="color:rgb(255, 85, 114)">p</span><span class="token tag punctuation" style="color:rgb(199, 146, 234)">></span><span class="token plain-text"></span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain-text"> </span><span class="token tag punctuation" style="color:rgb(199, 146, 234)"></</span><span class="token tag" style="color:rgb(255, 85, 114)">footer</span><span class="token tag punctuation" style="color:rgb(199, 146, 234)">></span><span class="token plain-text"></span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain-text"> </span><span class="token tag punctuation" style="color:rgb(199, 146, 234)"></</span><span class="token tag" style="color:rgb(255, 85, 114)">div</span><span class="token tag punctuation" style="color:rgb(199, 146, 234)">></span><span class="token plain"></span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"></span><span class="token punctuation" style="color:rgb(199, 146, 234)">)</span><span class="token punctuation" style="color:rgb(199, 146, 234)">;</span><br></span></code></pre><div class="buttonGroup__atx"><button type="button" aria-label="Copy code to clipboard" title="Copy" class="clean-btn"><span class="copyButtonIcons_eSgA" aria-hidden="true"><svg viewBox="0 0 24 24" class="copyButtonIcon_y97N"><path fill="currentColor" d="M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z"></path></svg><svg viewBox="0 0 24 24" class="copyButtonSuccessIcon_LjdS"><path fill="currentColor" d="M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z"></path></svg></span></button></div></div></div>
|
||
<hr>
|
||
<h2 class="anchor anchorWithStickyNavbar_LWe7" id="styling-the-application">Styling the Application<a href="#styling-the-application" class="hash-link" aria-label="Direct link to Styling the Application" title="Direct link to Styling the Application"></a></h2>
|
||
<p>Create a <code>App.css</code> file in the <code>src</code> directory and add your preferred styles. Here's a basic example:</p>
|
||
<div class="language-css codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#bfc7d5;--prism-background-color:#292d3e"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-css codeBlock_bY9V thin-scrollbar" style="color:#bfc7d5;background-color:#292d3e"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#bfc7d5"><span class="token selector class" style="color:rgb(199, 146, 234)">.app</span><span class="token plain"> </span><span class="token punctuation" style="color:rgb(199, 146, 234)">{</span><span class="token plain"></span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"> </span><span class="token property">text-align</span><span class="token punctuation" style="color:rgb(199, 146, 234)">:</span><span class="token plain"> center</span><span class="token punctuation" style="color:rgb(199, 146, 234)">;</span><span class="token plain"></span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"> </span><span class="token property">font-family</span><span class="token punctuation" style="color:rgb(199, 146, 234)">:</span><span class="token plain"> Arial</span><span class="token punctuation" style="color:rgb(199, 146, 234)">,</span><span class="token plain"> sans-serif</span><span class="token punctuation" style="color:rgb(199, 146, 234)">;</span><span class="token plain"></span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"></span><span class="token punctuation" style="color:rgb(199, 146, 234)">}</span><span class="token plain"></span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain" style="display:inline-block"></span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"></span><span class="token selector" style="color:rgb(199, 146, 234)">header</span><span class="token plain"> </span><span class="token punctuation" style="color:rgb(199, 146, 234)">{</span><span class="token plain"></span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"> </span><span class="token property">background-color</span><span class="token punctuation" style="color:rgb(199, 146, 234)">:</span><span class="token plain"> </span><span class="token hexcode color">#282c34</span><span class="token punctuation" style="color:rgb(199, 146, 234)">;</span><span class="token plain"></span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"> </span><span class="token property">padding</span><span class="token punctuation" style="color:rgb(199, 146, 234)">:</span><span class="token plain"> </span><span class="token number" style="color:rgb(247, 140, 108)">20</span><span class="token unit">px</span><span class="token punctuation" style="color:rgb(199, 146, 234)">;</span><span class="token plain"></span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"> </span><span class="token property">color</span><span class="token punctuation" style="color:rgb(199, 146, 234)">:</span><span class="token plain"> </span><span class="token color">white</span><span class="token punctuation" style="color:rgb(199, 146, 234)">;</span><span class="token plain"></span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"></span><span class="token punctuation" style="color:rgb(199, 146, 234)">}</span><span class="token plain"></span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain" style="display:inline-block"></span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"></span><span class="token selector" style="color:rgb(199, 146, 234)">section</span><span class="token plain"> </span><span class="token punctuation" style="color:rgb(199, 146, 234)">{</span><span class="token plain"></span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"> </span><span class="token property">margin</span><span class="token punctuation" style="color:rgb(199, 146, 234)">:</span><span class="token plain"> </span><span class="token number" style="color:rgb(247, 140, 108)">20</span><span class="token unit">px</span><span class="token punctuation" style="color:rgb(199, 146, 234)">;</span><span class="token plain"></span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"></span><span class="token punctuation" style="color:rgb(199, 146, 234)">}</span><span class="token plain"></span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain" style="display:inline-block"></span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"></span><span class="token selector" style="color:rgb(199, 146, 234)">input</span><span class="token plain"> </span><span class="token punctuation" style="color:rgb(199, 146, 234)">{</span><span class="token plain"></span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"> </span><span class="token property">margin</span><span class="token punctuation" style="color:rgb(199, 146, 234)">:</span><span class="token plain"> </span><span class="token number" style="color:rgb(247, 140, 108)">5</span><span class="token unit">px</span><span class="token punctuation" style="color:rgb(199, 146, 234)">;</span><span class="token plain"></span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"> </span><span class="token property">padding</span><span class="token punctuation" style="color:rgb(199, 146, 234)">:</span><span class="token plain"> </span><span class="token number" style="color:rgb(247, 140, 108)">10</span><span class="token unit">px</span><span class="token punctuation" style="color:rgb(199, 146, 234)">;</span><span class="token plain"></span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"> </span><span class="token property">width</span><span class="token punctuation" style="color:rgb(199, 146, 234)">:</span><span class="token plain"> </span><span class="token number" style="color:rgb(247, 140, 108)">200</span><span class="token unit">px</span><span class="token punctuation" style="color:rgb(199, 146, 234)">;</span><span class="token plain"></span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"></span><span class="token punctuation" style="color:rgb(199, 146, 234)">}</span><span class="token plain"></span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain" style="display:inline-block"></span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"></span><span class="token selector" style="color:rgb(199, 146, 234)">button</span><span class="token plain"> </span><span class="token punctuation" style="color:rgb(199, 146, 234)">{</span><span class="token plain"></span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"> </span><span class="token property">padding</span><span class="token punctuation" style="color:rgb(199, 146, 234)">:</span><span class="token plain"> </span><span class="token number" style="color:rgb(247, 140, 108)">10</span><span class="token unit">px</span><span class="token plain"> </span><span class="token number" style="color:rgb(247, 140, 108)">20</span><span class="token unit">px</span><span class="token punctuation" style="color:rgb(199, 146, 234)">;</span><span class="token plain"></span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"></span><span class="token punctuation" style="color:rgb(199, 146, 234)">}</span><span class="token plain"></span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain" style="display:inline-block"></span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"></span><span class="token selector" style="color:rgb(199, 146, 234)">footer</span><span class="token plain"> </span><span class="token punctuation" style="color:rgb(199, 146, 234)">{</span><span class="token plain"></span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"> </span><span class="token property">margin-top</span><span class="token punctuation" style="color:rgb(199, 146, 234)">:</span><span class="token plain"> </span><span class="token number" style="color:rgb(247, 140, 108)">40</span><span class="token unit">px</span><span class="token punctuation" style="color:rgb(199, 146, 234)">;</span><span class="token plain"></span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain"></span><span class="token punctuation" style="color:rgb(199, 146, 234)">}</span><br></span></code></pre><div class="buttonGroup__atx"><button type="button" aria-label="Copy code to clipboard" title="Copy" class="clean-btn"><span class="copyButtonIcons_eSgA" aria-hidden="true"><svg viewBox="0 0 24 24" class="copyButtonIcon_y97N"><path fill="currentColor" d="M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z"></path></svg><svg viewBox="0 0 24 24" class="copyButtonSuccessIcon_LjdS"><path fill="currentColor" d="M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z"></path></svg></span></button></div></div></div>
|
||
<hr>
|
||
<h2 class="anchor anchorWithStickyNavbar_LWe7" id="running-the-application">Running the Application<a href="#running-the-application" class="hash-link" aria-label="Direct link to Running the Application" title="Direct link to Running the Application"></a></h2>
|
||
<p>In your terminal, navigate to your project directory and run:</p>
|
||
<div class="language-bash codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#bfc7d5;--prism-background-color:#292d3e"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-bash codeBlock_bY9V thin-scrollbar" style="color:#bfc7d5;background-color:#292d3e"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#bfc7d5"><span class="token plain">npm start</span><br></span></code></pre><div class="buttonGroup__atx"><button type="button" aria-label="Copy code to clipboard" title="Copy" class="clean-btn"><span class="copyButtonIcons_eSgA" aria-hidden="true"><svg viewBox="0 0 24 24" class="copyButtonIcon_y97N"><path fill="currentColor" d="M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z"></path></svg><svg viewBox="0 0 24 24" class="copyButtonSuccessIcon_LjdS"><path fill="currentColor" d="M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z"></path></svg></span></button></div></div></div>
|
||
<p>This command starts the development server. Open <a href="http://localhost:3000" target="_blank" rel="noopener noreferrer">http://localhost:3000</a> in your browser to view the application.</p>
|
||
<hr>
|
||
<h2 class="anchor anchorWithStickyNavbar_LWe7" id="testing-the-application">Testing the Application<a href="#testing-the-application" class="hash-link" aria-label="Direct link to Testing the Application" title="Direct link to Testing the Application"></a></h2>
|
||
<ol>
|
||
<li>
|
||
<p><strong>View Current Advertisement</strong>:</p>
|
||
<ul>
|
||
<li>The application should display the current ad message, advertiser address, and current bid.</li>
|
||
</ul>
|
||
</li>
|
||
<li>
|
||
<p><strong>Submit a New Bid</strong>:</p>
|
||
<ul>
|
||
<li>Enter a new ad message and a bid amount higher than the current bid.</li>
|
||
<li>Click <strong>"Submit Bid"</strong>.</li>
|
||
<li>MetaMask will prompt you to confirm the transaction.</li>
|
||
<li>Wait for the transaction to be confirmed.</li>
|
||
</ul>
|
||
</li>
|
||
<li>
|
||
<p><strong>Observe Real-Time Updates</strong>:</p>
|
||
<ul>
|
||
<li>Upon confirmation, the application should automatically update with the new ad, advertiser, and bid amount.</li>
|
||
</ul>
|
||
</li>
|
||
</ol>
|
||
<hr>
|
||
<h2 class="anchor anchorWithStickyNavbar_LWe7" id="conclusion">Conclusion<a href="#conclusion" class="hash-link" aria-label="Direct link to Conclusion" title="Direct link to Conclusion"></a></h2>
|
||
<p>You've successfully created a web application that interacts with a smart contract deployed on the Status Network Testnet using <strong>ethers.js</strong>. This tutorial covered:</p>
|
||
<ul>
|
||
<li>Setting up a React application.</li>
|
||
<li>Deploying a smart contract to the Status Network.</li>
|
||
<li>Connecting the frontend to the smart contract using ethers.js.</li>
|
||
<li>Handling user interactions and real-time updates via events.</li>
|
||
</ul>
|
||
<hr>
|
||
<h2 class="anchor anchorWithStickyNavbar_LWe7" id="next-steps">Next Steps<a href="#next-steps" class="hash-link" aria-label="Direct link to Next Steps" title="Direct link to Next Steps"></a></h2>
|
||
<ul>
|
||
<li>
|
||
<p><strong>Explore More Tutorials</strong>:</p>
|
||
<ul>
|
||
<li>Check out other tutorials in the <a href="/tutorials/ethers-tutorial">Status Network Documentation</a>.</li>
|
||
</ul>
|
||
</li>
|
||
<li>
|
||
<p><strong>Enhance the Application</strong>:</p>
|
||
<ul>
|
||
<li>Add error handling for edge cases.</li>
|
||
<li>Improve the UI/UX design.</li>
|
||
<li>Implement additional features like user authentication.</li>
|
||
</ul>
|
||
</li>
|
||
<li>
|
||
<p><strong>Deploy to Production</strong>:</p>
|
||
<ul>
|
||
<li>Learn how to deploy your application for production use.</li>
|
||
</ul>
|
||
</li>
|
||
</ul>
|
||
<hr>
|
||
<h2 class="anchor anchorWithStickyNavbar_LWe7" id="resources">Resources<a href="#resources" class="hash-link" aria-label="Direct link to Resources" title="Direct link to Resources"></a></h2>
|
||
<ul>
|
||
<li><a href="https://status.network/" target="_blank" rel="noopener noreferrer">Status Network Official Website</a></li>
|
||
<li><a href="https://docs.status.network/" target="_blank" rel="noopener noreferrer">Status Network Documentation</a></li>
|
||
<li><a href="https://docs.ethers.io/" target="_blank" rel="noopener noreferrer">ethers.js Documentation</a></li>
|
||
<li><a href="https://reactjs.org/" target="_blank" rel="noopener noreferrer">React.js Documentation</a></li>
|
||
</ul>
|
||
<hr>
|
||
<p><strong>Happy Coding!</strong></p></div><footer class="theme-doc-footer docusaurus-mt-lg"><div class="row margin-top--sm theme-doc-footer-edit-meta-row"><div class="col"><a href="https://github.com/status-im/status-network-docs/tree/main/docs/tutorials/ethers-tutorial.md" target="_blank" rel="noopener noreferrer" class="theme-edit-this-page"><svg fill="currentColor" height="20" width="20" viewBox="0 0 40 40" class="iconEdit_Z9Sw" aria-hidden="true"><g><path d="m34.5 11.7l-3 3.1-6.3-6.3 3.1-3q0.5-0.5 1.2-0.5t1.1 0.5l3.9 3.9q0.5 0.4 0.5 1.1t-0.5 1.2z m-29.5 17.1l18.4-18.5 6.3 6.3-18.4 18.4h-6.3v-6.2z"></path></g></svg>Edit this page</a></div><div class="col lastUpdated_JAkA"></div></div></footer></article><nav class="pagination-nav docusaurus-mt-lg" aria-label="Docs pages"><a class="pagination-nav__link pagination-nav__link--prev" href="/tools/node-operators"><div class="pagination-nav__sublabel">Previous</div><div class="pagination-nav__label">🖥️ Node Operators</div></a><a class="pagination-nav__link pagination-nav__link--next" href="/tutorials/deploying-contracts/using-hardhat"><div class="pagination-nav__sublabel">Next</div><div class="pagination-nav__label">🎩 Using Hardhat</div></a></nav></div></div><div class="col col--3"><div class="tableOfContents_bqdL thin-scrollbar theme-doc-toc-desktop"><ul class="table-of-contents table-of-contents__left-border"><li><a href="#prerequisites" class="table-of-contents__link toc-highlight">Prerequisites</a><ul><li><a href="#set-up-status-network-testnet" class="table-of-contents__link toc-highlight">Set Up Status Network Testnet</a></li></ul></li><li><a href="#smart-contract-deployment-on-status-network" class="table-of-contents__link toc-highlight">Smart Contract Deployment on Status Network</a><ul><li><a href="#bidboard-smart-contract" class="table-of-contents__link toc-highlight">BidBoard Smart Contract</a></li><li><a href="#deploying-the-contract" class="table-of-contents__link toc-highlight">Deploying the Contract</a></li></ul></li><li><a href="#setting-up-the-frontend-application" class="table-of-contents__link toc-highlight">Setting Up the Frontend Application</a><ul><li><a href="#step-1-create-a-react-app" class="table-of-contents__link toc-highlight">Step 1: Create a React App</a></li><li><a href="#step-2-install-ethersjs" class="table-of-contents__link toc-highlight">Step 2: Install ethers.js</a></li></ul></li><li><a href="#building-the-main-application-component" class="table-of-contents__link toc-highlight">Building the Main Application Component</a><ul><li><a href="#import-required-libraries" class="table-of-contents__link toc-highlight">Import Required Libraries</a></li><li><a href="#setting-up-the-provider" class="table-of-contents__link toc-highlight">Setting Up the Provider</a></li><li><a href="#fetch-current-advertisement-data" class="table-of-contents__link toc-highlight">Fetch Current Advertisement Data</a></li><li><a href="#submit-a-new-bid" class="table-of-contents__link toc-highlight">Submit a New Bid</a></li><li><a href="#listen-to-contract-events" class="table-of-contents__link toc-highlight">Listen to Contract Events</a></li></ul></li><li><a href="#creating-the-user-interface" class="table-of-contents__link toc-highlight">Creating the User Interface</a></li><li><a href="#styling-the-application" class="table-of-contents__link toc-highlight">Styling the Application</a></li><li><a href="#running-the-application" class="table-of-contents__link toc-highlight">Running the Application</a></li><li><a href="#testing-the-application" class="table-of-contents__link toc-highlight">Testing the Application</a></li><li><a href="#conclusion" class="table-of-contents__link toc-highlight">Conclusion</a></li><li><a href="#next-steps" class="table-of-contents__link toc-highlight">Next Steps</a></li><li><a href="#resources" class="table-of-contents__link toc-highlight">Resources</a></li></ul></div></div></div></div></main></div></div></div></div>
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