A self-taught programmer, building simple and useful tools for blockchain that just work

github

Nirav Joshi  • Peerlist

x402 Pocket Nodes offers a seamless integration of the x402 payment protocol with your n8n workflows, providing an efficient solution for handling micropayments. This tool is designed to automate payment processes using USDC on the Solana blockchain, ensuring secure and swift transactions. Key features include automatic payment handling, persistent wallet management, and a built-in mock server for testing integrations without real blockchain transactions. The product is natively integrated with n8n, allowing it to work effortlessly with any trigger and standard HTTP Request nodes. Users can start on the devnet with test funds and deploy to the mainnet when ready. The package can be easily installed in n8n by navigating to Settings and Community Nodes. Additional resources such as documentation, GitHub repository, and NPM package are available for further assistance. x402 Pocket Nodes is open source under the MIT License, encouraging community contributions and collaboration.

x402 Pocket Nodes

x402test is a comprehensive testing framework designed for x402 payment flows on the Solana blockchain. This open-source tool allows developers to build, test, and validate micropayment-protected APIs using USDC. It is particularly beneficial for AI agents and premium APIs, providing a fluent interface for making payment-protected HTTP requests with automatic payment handling.<h3>Key Features</h3><ul><li>Simple Testing API: Offers a fluent interface for seamless payment-protected HTTP requests.</li><li>Mock Server: Includes a built-in server for simulating payment-protected endpoints during development.</li><li>Solana USDC Payments: Native integration with Solana blockchain for USDC micropayments on devnet and localnet.</li><li>AI Agent Ready: Ideal for testing autonomous agents with budget management and payment verification.</li><li>Replay Protection: Provides built-in security against replay attacks with transaction signature tracking.</li><li>Developer Friendly: Features auto-funded test wallets, comprehensive examples, and an intuitive CLI.</li></ul>With x402test, you can run your tests on a local Solana validator with auto-funded test wallets, eliminating the need for real funds and complicated setups. Get started in minutes by installing, configuring, and testing x402 payment flows on Solana.

x402test - Testing framework for x402 Flows

Testship offers a revolutionary approach to testing Solana Anchor programs without the need for writing tests. This tool provides an interactive UI that allows developers to test their programs instantly, eliminating the need for setup or configuration. Simply run one command and start testing with an auto-generated interface. Key features include <ul><li>Interactive UI: Instantly test any Anchor program with an automatically generated, intuitive testing interface.</li><li>PDA Derivation: Automatic derivation of basic and complex Program Derived Addresses (PDAs) without manual calculations.</li><li>Smart Suggestions: Get account suggestions based on recently used addresses, making it easier to remember account addresses.</li><li>Session Sharing: Share your testing UI with non-technical team members via a simple link for effortless collaboration.</li><li>Hot Reloading: Make changes in your program, run anchor build, and watch the testing UI update automatically with your latest code.</li><li>Export to Tests: Soon, you'll be able to export your interactive tests to automated test suites for CI/CD integration.</li></ul> Testship works directly on your machine with your existing development environment, bringing powerful testing capabilities directly to your Anchor workspace. No context switching or complicated setup is required. Experience a fast testing experience with no installation needed, just run npx @blockchain-hq/testship@latest start and begin testing. Testship is open source under the MIT License, encouraging contributions and feature suggestions from the community.

Testship

Automated Guided Vehicle

Autonomous Mobile Robots

Under university team, participated in national level robotics competition called ROBOCON India 2017. Under the theme of ROBOCON 2017, we had to design and develop a robot that could throw and land PU discs on a number of platforms with different heights.

In this competition, we secured 20th rank in India. In this project, I was responsible for basic calculations for the selection of motor and some other mechanical components like a lead screw, bearings, etc. I had also contributed in testing and assembly of the robot.

Disc Throwing Robot - ROBOCON India 2017

It is an automatic roll slicing machine that cuts the 1000mm long roll of graphite into desired widths with the accuracy of +/-0.1mm.

Graphite Roll Slicing Machine

A python app to scrape articles data from news websites and display them on a single page.

https://github.com/NiravJoshi33/news_crunch

News Crunch

Same as 2017, we participated in ROBOCON in 2018 too. This year we had to design and develop two robots where one robot (manual - remote control operated) would grab the shuttlecocks from the loading area and deliver to another robot (autonomous) that would grab the shuttlecock and based on its decision, it will throw the shuttlecock inside one of the three rings. 

I worked as coordinator of mechanical design and MATLAB programming. I performed calculations for the selection of OEM components and performed some engineering simulations in SOLIDWORKS. I programmed the autonomous robot using MATLAB and Simulink for which my team got first prize in Mathworks modeling competition.

Shuttlecock Throwing (Autonomous) Robot & Shu

smbmarket.com is a business for sale aggregator that collects business listings from different sources and makes them available on one platform with advanced features like rich search, alerts & deal calculators. 

I was responsible for software architecture, project management, client communication & development of various features of this software.

SMBMarket

Soccer Robot is one of the exhibitions of Robotics Gallery, Science City, Ahmedabad where two teams of robots play soccer against one another. I designed these robots. I performed calculations, CAD modeling, and engineering simulations and assembled the first prototypes of these robots.

Based on our client's inputs we designed a 3d printed final version that could kick as well as dribble the small ball. The robot is given a face resembling an animation character of minion for children.

Soccer Robot

An example repo for demonstrating the usage of Anchor for developing a basic Solana program.

Solana Favorites dApp

This was a small fun project that we undertook as a team in college. The goal was to design a small robot that could climb the stair while grabbing an object and place it at the top of the stairs. We used the rocker-bogie mechanism for this robot. I had done calculations, some CAD modeling, and programming in this project.

Stair Climbing Robot

SuperFunSocial

A tea Dispenser is a small mechanical machine that dispenses the tea/coffee from an installed bottle. I worked on the design and development of this project. We made a prototype and tested it and did some changes to make it work for different sizes of bottles with minimal effort of installing and removing a bottle. It was a great learning experience for me. I understood how important precision machine design and persistence is.

Tea Dispenser Machine

It is a semi-automatic machine for straightening wire mesh of ss and then cutting the desired lengths with +/-0.5mm accuracy.