metamask/web3-provider-engine

Higher-order functions and common patterns for asynchronous code

Fibonacci and exponential backoffs.

deep cloning of objects and arrays

deterministic JSON.stringify() with custom sorting to get deterministic hashes from stringified results

Node.js Streams, a user-land copy of the stream library from Node.js

Simple to use, blazing fast and thoroughly tested websocket client and server for Node.js

extend like a boss

Babel command line.

Babel compiler core.

A Babel preset for each environment.

Babel browserify transform

browser-side require() the node way

tap-producing test harness for node and browsers

Cypress's fork of a simplified HTTP request client.

An Ethereum statemanager implementation

Provides Block serialization and help functions

An Ethereum VM implementation

Implementation of the various Ethereum Transaction Types

A collection of utility functions for Ethereum

[json-rpc-engine](https://github.com/MetaMask/json-rpc-engine) middleware implementing ethereum filter methods. Backed by an [eth-block-tracker](https://github.com/MetaMask/eth-block-tracker) and web3 provider interface (`web3.currentProvider`).

json-rpc-engine middleware for Infura's endpoints

Ethereum-related json-rpc-engine middleware.

A few useful functions for signing ethereum data

Ethereum RPC and Provider errors

A block tracker for the Ethereum blockchain. Keeps track of the latest block.

semaphore for node

small xhr abstraction

A light-weight, highly optimised JS utility for Ethereum

All the cryptographic primitives used in Ethereum

A library and cli to create a local blockchain for fast Ethereum development.

Web3 Provider for WalletConnect

HD Wallet-enabled Web3 provider

Private Key Web3 provider

A javascript library for interacting with the 0x protocol

a classic tetris game on web3, built by kafir!

HD Wallet-enabled Web3 provider for use with raw private key

Ledger Hardware Wallet Ethereum Web3 subprovider

0x dev TS utils

Onboard users to web3 by allowing them to select a wallet, get that wallet ready to transact and have access to synced wallet state.

Collection of platform-agnostic modules for creating secure data models for cryptocurrency wallets

Wallet-enabled Web3 provider

Prints stack trace on Solidity revert

A single source of truth of helper contracts used by Poolz.

Ledger Nano S wallet provider for the Web3 ProviderEngine

Generate coverage reports for Solidity code

Generate profiler reports for Solidity code

Web3 Provider for WalletConnect

Ethereum Smart Contract Saddle

JavaScript module for connecting with Kosu.

Ephemeral key pair web3 provider

Web3 Subprovider for WalletConnect

Trezor-enabled subprovider for Provider Engine