Ernesto García

OpenZeppelin Contracts is a library for secure smart contract development.

Solidity library of smart contracts from the OpenZeppelin Community

The Ethereum Improvement Proposal repository

The Ethereum Request for Comment repository

Forge Standard Library is a collection of helpful contracts for use with forge and foundry. It leverages forge's cheatcodes to make writing tests easier and faster, while improving the UX of cheatcodes. For more in-depth usage examples checkout the tests.

GraphQL server built for medium tutorial

A Solidity AST processor for transpiling Solidity smart contracts into Github's Mermaid.js language for diagramming.

A general NFT minter using Flashbots

A simple webpack bundled app in vanilla JS to show basic implementation of ethereum signature using web3.eth.personal.sign and web3.eth.personal.ecRecover functions. Used to demonstrate how to manage digital identity with ethereum wallets.

Platzi Punks is a randomly generated NFT based on https://avataaars.com

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Stellar basic excercise to issue a new token

An Ethereum's single-use address generator and sender

Repository for stellar tutorial published on medium

About A Foundry Library for working with Fe contracts

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Stellar Smart Contract implementation for a escrow

Introduction to web3 explained in Code & Hacks youtube episode

Decentralized application to catch pokemons

A GraphQL wrapper for the https://blocks.flashbots.net/ API

Platzi Video React Native Course on Platzi

A collection of 10,000 political ice-creams customized by the people and minted on the Ethereum Blockchain using the ERC-721 Standard.

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An example about how to do a reentrancy attack on a smart contract

zksync-uups-vault

A collection of 10,000 political ice-creams customized by the people and minted on the Ethereum Blockchain using the ERC-721 Standard.

GraphQL API server template

A boilerplate for start with a simple to-do-list project with react

A very simple yet powerful recreation of a virtualized stack-based machine

PoC of a Solidity Lexer using antlrs ts, props to @solidity-parser/parser

An electron desktop app that connects serial port devices to a manufacturing labeling system based on weight. The application serves as an interface to communicate variables such as SKU and piece quantity.

Advanced databases course final project

A React Google Login Component

Test over Gnosis MultiSend and MultiSendCallOnly contracts

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A react hook to upload files to any cloud service using presigned urls gotten through a REST or Graphql API

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ERC20 wallet web3 implementation

Files for blockchain developer professional course

A complete mongoDB, express, react and node repository step by step to provide workshops and share knowledge. It is well documented by branch as a modularized course.

Virtua Github repo with MERN

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Attempt to allow 7702 delegations through `eth_sign`

Docs for ERC-7579

Gnosis Safe allows secure management of blockchain assets.

Solidity, the Smart Contract Programming Language

Verify any text in any sent or received email, cryptographically and via only trusting the sending mailserver.

Use zk proofs of JWTs to authorize arbitrary transactions on chain. Soon to have scoped oauth'd session keys as well.

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Delegate an EOA to a paymaster for quick signature-based user operation sponsorship

Google STEP Internship Individual Project

Content for Account Abstraction workshop at Abstract Bangkok (https://abstract.live)

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Solhint is an open-source project to provide a linting utility for Solidity code.

Attempt to make a registry for on-chain roles.

Curso de Criptografía para Platzi

A simple demo on how to provide gasless redelegation for ERC20Votes standard (inspired by subsidized ENS free redegelation https://discuss.ens.domains/t/free-redelegation-is-now-available/10718)

Personal Finance Education for children's app that helps them to learn about banking basic concepts. developed with React Native, Redux, React-Navigation and integrated with Firebase

A simple behance javascript plugin

A collection of Mermaid diagrams for contracts I found relevant

:globe_with_meridians: :electric_plug: The MetaMask browser extension enables browsing Ethereum blockchain enabled websites

Official SDK for the Pinata IPFS service

ENS manager app

Defender client scripts for testing

A subgraph for the Ethernaut players and levels

Randomized Blockchain Academy student attributes represented by an NFT using VRF Chainlink Oracle. Images are omitted intentionally for others to interpret.

A cryptokitties-like game to build unique pizzas built on Ethereum and vanilla JS

A DBMS simulation using sockets in C

Blockchain Developer Professional October Course Hardhat example

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Avataaars NFT version game connected to an oracle using Chainlink

react to do list workshop

Fundamentals practice library for C++

A descentralized web app that allows small agriculturers to place their products in an auction, competing in real market prices, empowering them to be better compensated

An app to practice numeric conversion between different bases

A stack-overflow, but for Platzi. Built with Angular 6, Express, NodeJS and Mongo DB (MEAN stack)

EIP-712 Crosschain Signatures

Use your email address as an ENS name — `[email protected]` becomes `myemail$domain.com.email.eth`.

Remix is a browser-based compiler and IDE that enables users to build Ethereum contracts with Solidity language and to debug transactions.

Decentralized Solidity contract verification service

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A JavaScript library to interact with OpenZeppelin Account contracts.

A Solidity library that authenticates that the user is a correct holder of the specific email address, and specify entirely in Solidity how you want to string parse the emails.

The best way to create REST APIs - Generate RESTful APIs from your GraphQL Server

Source for evm.codes an Ethereum Virtual Machine Opcodes Interactive Reference

🦋 A way to manage your versioning and changelogs with a focus on monorepos

Tweet Scrapper project for database class

A JavaScript library to generate merkle trees and merkle proofs.

Demo for Blockworks Permissionless II

A collection of Safe singleton deployments

A CTF protocol, where players create and solve EVM puzzles to earn NFTs.

A tool for analyzing the security and parameters of a solidity smart contract

Quick basic repository to convert a CSV with ABI values into a Merkle Tree

Mongoose disable plugin

A Solidity parser for JS built on top of a robust ANTLR4 grammar

A dummy npm package to test changesets + github actions workflows

Official Go implementation of the Ethereum protocol

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Gas benchmarks for EIP-6093 custom errors

A book on all things Foundry, available at https://book.getfoundry.sh.

Modern Uniswap V1 Solidity Implementation just for fun.

Benchmarks of popular contract implementations in solidity

Price monitor between Uniswap-V2 style DEXs

Work in progress explorer for AccessControl roles

OpenZeppelin Access Control Subgraphs for Defender supported networks

Tests for Defender EIP1559 release

An NFT implementation of a raffle with a single Chainlink calculated winner after a reveal date

Subgraph schema and templates to index the activity of OpenZeppelin Contracts.

Monorepo for the Ethereum VM TypeScript Implementation

The best way to connect a wallet 🌈 🧰

Foundry is a blazing fast, portable and modular toolkit for Ethereum application development written in Rust.

A Foundry version of the Ethernaut's king level used to validate a weird case in Rinkeby

CLI tool to develop StarkNet projects written in Cairo

provides metadata for networkIDs and chainIDs

A React UI library for Web3

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Final course frontend project for Blockdemy Loot at Blockchain Academy

Platzi Punks is the frontend for the platzi-punks random generative NFTs based on https://avataaars.com Topics Resources

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🦄 An open source interface for the Uniswap protocol

🦄 🦄 🦄 Core smart contracts of Uniswap v3

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Stellar documentation

An NFT app to buy unique characters using ERC721 standard on top of Ethereum blockchain and based on Avataaars library

Google Cloud terraform engine deployment test using cicd configuration

A javascript object oriented and highly typed programming language for beginners

iOS app class project

Computer Graphics Final Class Course

Little duck compiler in Flex/Bison and Jison

Repository for exercises in computer graphics class

The standalone app based on official debugger of React Native, and includes React Inspector / Redux DevTools

Modular, highly customizable and stylable React UI Components library built with Styled Components

Web platform to post ITC questions

A mobile application to create visit QR codes

COVID RIsk Analyzer Homework

Basic webpack setup template

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Coding challenge for front-end dev candidates

A decentralized Smart Contract Service to securely sign contracts using the Ethereum Blockchain

Testing truffle teams on youtube :D

Stellar Trade Graph to show price of assets based on recent trades

Code & Hacks exercise with Horizon API

Ethereum certifications creator and search engine for Blockchain Academy Mexico

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Portfolio Website

RSK+RIF Developers Portal

A platform that takes info for predicting algae growth

Bitcoin Core integration/staging tree

The Accessible Foundation for React Apps and Design Systems.

MongoDB, Express, React, and NodeJS with JWT implementation for Authentication

Aplicación para el manejo de las CasasTI dentro del Tecnológico de Monterrey, Campus Monterrey

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Ethereum Remix Solidity IDE, electron edition

Contask platform developed in React

GUI to generate input file for a final project at Object Oriented Programming course

Proyecto ejemplo para enseñar las diferentes partes de contribuir al OSS.

A funny fancy startup generator that helps you to win almost every entrepreneur contest

A simple app to generate PDF diplomas given a list of people, course data and completion date. Ideal to not open Adobe Illustrator for each course assistant.

Boilerplate for create blogs in Ruby on Rails

A simple platzi blog clone intended to learn RoR basics

A classic snake game in ruby

Exam generator project for System Modelation class @TecDeMty

Podcast app made using audioboom.com API for practice with NextJS fundamentals

Notebooks for discrete maths class

Beer's can images recognition system developed for "Semana i" @Softek

React components that implement Google's Material Design.

Cuero Viejo Mezcal Website

Oinkii download page

Project developed to experiment with React Navigation tools using its basic API's functions.

Video platform developed with ReactJS for a web course in Platzi

Guía de resumen de los cursos de Platzi

ITESM React Workshop

Stand-alone parallax scrolling library for mobile (Android + iOS) and desktop. No jQuery. Just plain JavaScript (and some love).

Curso de NodeJS con Reservamos.com

Laravel fundamentals practice

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Pong game created as an introduction for Unity 2D

Platzi Music App made with Vue.js

Paypal Subscription Button for Bluecamp

Reduz Platzi course

Oinki web app on Angular 5

Landing Page for like

PlatziSquare app made in Angular 5

Romulo Mezcal e-commerce website

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Financial Analysis class personal project. Just for fun

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Curso de Git y Github

Just a fun created vCard