The Web3 ProviderEngine is a JavaScript library for composing Ethereum provider objects using middleware modules, designed to create modular and customizable web3 providers. It is primarily used by developers building Ethereum applications, particularly those working with MetaMask or similar tools, to handle specific RPC methods and manage provider functionality in a composable way.
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Support the dependencies of metamask/web3-provider-engine
Cypress's fork of a simplified HTTP request client.
An Ethereum statemanager implementation
Provides Block serialization and help functions
Implementation of the various Ethereum Transaction Types
An Ethereum VM implementation
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
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Ethereum-related json-rpc-engine middleware
A few useful functions for signing ethereum data
Ethereum RPC and Provider errors
Higher-order functions and common patterns for asynchronous code
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deep cloning of objects and arrays
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semaphore for node
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small xhr abstraction
extend like a boss
Babel command line.
Babel compiler core.
A Babel preset for each environment.
A light-weight, highly optimised JS utility for Ethereum
Babel browserify transform
browser-side require() the node way
All the cryptographic primitives used in Ethereum.
A library and cli to create a local blockchain for fast Ethereum development.
tap-producing test harness for node and browsers
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