JavaScript library that suggest fees on Ethereum after EIP-1559 using historical data using ethers.js

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

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

A mapping of ethereum contract addresses to broadly accepted icons for those addresses.

A simple standard interface for a seed phrase generated set of Ethereum accounts.

[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 module for managing various keyrings of Ethereum accounts, encrypting them, and using them.

A module for getting method signature info from an ethereum method signature.

Utility for detecting phishing domains targeting Ethereum users

A few useful functions for signing ethereum data

A simple standard interface for a series of Ethereum private keys.

A MetaMask compatible keyring, for trezor hardware wallets

A module for creating a node style stream over a WebExtension port object.

A simple node module that exports the Ethereum ABI for ERC 721 compatible tokens.

A small toolset for streaming JSON-RPC data and matching requests and responses.

This repository contains the OpenRPC specification for MetaMask's Wallet JSON-RPC API. You can view the specs in the following formats:

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