Chrome extension for fee-based transaction prioritization on Cardano, ensuring fairness.

Latest Version

Version
0.1.0
Update
April 23, 2024
Size
9.96MiB
Developer
Category
Users
54
Rating
5 ★
Manifest Version
3
Web Store Status
Languages Support
English
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Permissions
Storage
Favicon
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Cardano Priority Wallet Extension

This Chrome extension is designed for users of the Cardano blockchain network, providing them with a powerful tool to prioritize transactions with high fees, ensuring prompt and efficient processing. By internally optimizing transaction parameters, such as fees, the extension aims to accelerate confirmation times on the Cardano blockchain. It achieves this by analyzing transaction data and dynamically adjusting fee structures and execution units increasing the likelihood of transactions being promptly mined and added to blocks.
The primary function of the wallet lies in its role as an intermediary between transactions processed through a Cardano decentralized application (DApp) and the user's Cardano wallet. Typically, these transactions are executed with fixed execution-units, leading to higher costs in cases where a smaller execution unit will suffice. However, the intercepted transaction undergoes thorough analysis, with a focus on optimizing its execution units. In terms of fees, a slight increment is applied to enhance the likelihood of miners on the Cardano blockchain prioritizing its mining. This is achieved by adding an extra output based on the selected network and balancing the transaction. Traditionally, transactions with higher fees tend to be larger in scale. Nonetheless, by utilizing this priority wallet, even smaller transactions can feature fees substantial enough to garner faster attention from miners. It's important to note that this wallet doesn't involve a seed phrase for generating public and private keys; rather, it functions as a means to expedite the confirmation process of user transactions within the Cardano blockchain.
Additionally, the extension enhances usability and user experience by fetching and displaying the wallets they have installed in their browser, allowing for swift wallet selection. Favicon of the visited website is displayed when activated. This visual indicator helps users confirm their selection of the preferred wallet from the intended website, making the process more intuitive and visually recognizable.
The extension supports six popular Cardano wallet extensions: Nami, Eternl, Flint, Yoroi, Typhon, and Lace. Users can choose their preferred wallet extension for executing transactions. Additionally, the extension is compatible with the Cardano mainnet and two testnets (preprod and preview), with these selections stored in the user's main browser's localStorage.
Based on the user's choices, the extension can generate an updated and balanced transaction specific to the selected wallet and network. If the user selects a Cardano wallet extension that is not installed in their browser or if there is a network mismatch between the priority wallet extension and the selected cardano wallet extension, an error will be thrown indicating the reason for the issue.
To optimize the transaction, the extension makes three specific API calls. Firstly, it adds an extra payment to the original transaction and balances it. Then, it calls the first API to determine the exact fee required for the transaction. If the transaction includes execution unit fields (which indicate the CPU and memory usage required for execution), the extension makes a second API call to calculate the updated execution units after adding the extra payment. Finally, it balances the new transaction with the updated fee and execution units, and the third API call is made to submit the transaction.
This browser extension is suitable for both casual users and developers engaged in creating Cardano-based decentralized applications. For developers, it streamlines the process of conducting on-chain tests for smart contracts, facilitating faster iterations and debugging. Meanwhile, general users can take advantage of quicker transaction confirmations in various scenarios such as blockchain auctions or NFT purchases, enhancing their overall experience with Cardano-based applications.
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Source Manifest.json

{
"update_url": "https://clients2.google.com/service/update2/crx",
"description":"Chrome extension for fee-based transaction prioritization on Cardano, ensuring fairness.",
"version":"0.1.0",
"manifest_version":3,
"name":"Cardano Priority Wallet",
"background":{"service_worker":"background.bundle.js"},
"action":{"default_popup":"mainPopup.html",
"default_icon":"icon-34.png"},
"icons":{"128":"icon-128.png"},
"content_scripts":[{"matches":["http://*/*",
"https://*/*",
""],
"js":["contentScript.bundle.js"],
"run_at":"document_start"}],
"web_accessible_resources":[{"resources":["icon-128.png",
"icon-34.png",
"injected.bundle.js",
"internalPopup.html"],
"matches":["http://*/*",
"https://*/*",
"file://*/*"]}],
"content_security_policy":{"extension_pages":"script-src 'self' 'wasm-unsafe-eval'; object-src 'self';"},
"permissions":["storage",
"favicon"]}
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How to download and manually install Cardano Priority Wallet extension for Chrome

Looking for a way to install Cardano Priority Wallet extensions for Chrome, you can search for them in the Chrome Web Store, clicking the "Add to Chrome" button, and following the straightforward process.

However, you may need to install Cardano Priority Wallet extensions manually, this article outlines two simple methods to effortlessly install Cardano Priority Wallet extensions, whether they come as unpacked folders in compressed formats like .zip or as .crx files.

Method 1: Download Cardano Priority Wallet extension and manually install through Drag &Drop

If you ever need to manually install a Cardano Priority Wallet extension for Chrome, don't worry, it's a simple process. Just follow these easy steps, and you will have your extension ready to use in no time.

Step 1: Download the Cardano Priority Wallet Extension by clicking the "Download CRX" button on the website.

Look for the Cardano Priority Wallet extension you wish to install. Go to the website and download the Cardano Priority Wallet extension package, which is usually a .CRX file and comes in a zipped file. Here ".crx" file is the format for Cardano Priority Wallet extension that contains all the data.

Step 2: Extract &Arrange Files

Once the file is downloaded, extract that file into its own folder. Similarly, give that extension files a permanent home. In other words, keep it in a folder that you don't accidentally delete it because these files will be needed to make that extension work.

Step 3: Go to the Chrome Extensions Page

Open Google Chrome and in the address bar, type chrome://extensions; it will open the Google Chrome extensions page. Make sure that "My extensions" is selected in the sidebar.

Step 4: Drag and Drop the Extension

Now, go to the folder where you extracted the Cardano Priority Wallet extension and drag &drop the extension file from there anywhere onto the extension page within Google Chrome.

Step 5: Complete the Installation

Once you drag and drop the extension file, follow the steps that Google Chrome takes you through. Similarly, if the extension file is of .crx file format, you will be required to review the permissions and then add the extension.

Now, you can manage that added extension as you would like to with any other Chrome extension that you added through Chrome Webstore. Its icon will also appear in the Google Chrome Menu on the right side of the address bar once you activate it.

Method 2: Download Cardano Priority Wallet extension for Chrome and install in Developer Mode

This is another method to install Cardano Priority Wallet extension manually, but the twist is that here, you install by enabling the developer mode option provided in Google Chrome. This mode is commonly used for testing extensions or running unpublished tools.

Step 1: Download the Cardano Priority Wallet extension file

Select and download the Cardano Priority Wallet extension by clicking the 'Download CRX' button on the website.

Step 2: Extract the downloaded contents

Convert the file to a ZIP file if it is in CRX format then extract the Cardano Priority Wallet extension zip file or folder that you downloaded. Make sure you extract it using the same folder name and keep it safely in another folder, so you don't delete it by mistake. The extracted folder will be needed to keep your Cardano Priority Wallet extension running.

Step 3: Open Chrome Extension Setting Page

In the address bar of Google Chrome, type chrome://extensions and open the Chrome Extension Page.

Step 4: Enable Developer Mode

After opening the Chrome Extension page, look at the top right side, and you will find the toggle option of "Developer mode."Simply enable that developer mode option.

Step 5: Load the Unpacked Extension

Once you enable the developer mode option, you will see the menu of Load Unpacked, Pack Extensions and Update. From that, select the option "Load unpacked."

Step 6: Select the Extension Folder

Once the pop-up opens upon clicking Load unpacked, select the Cardano Priority Wallet extension directory and click on the "Select Folder "button.

Step 7: Confirm and Install

After you select an extension folder of a Google Chrome extension you're installing manually, confirm its installation for the final time and let the installation complete.

Conclusion

Here we've made a step-by-step guide on How to manually install Cardano Priority Wallet extension in 2 ways. We hope this guide proves helpful.

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