JSPM

A collection of React Hooks that facilitates the interaction of React apps with Safe Smart Accounts

MetaMask example snap demonstrating the use of the `onStart`, `onInstall`, and `onUpdate` lifecycle hooks

A collection of React hooks for integrating Web3-Onboard in to React and Next.js projects. Web3-Onboard makes it simple to connect Ethereum hardware and software wallets to your dapp. Features standardised spec compliant web3 providers for all supported w

Implements the JSON-RPC methods for sending multiple calls from the user's wallet, and checking their status, as referenced in EIP-5792

An Abstract Class for describing an Ethereum Provider for ethers.

Bytes utility functions for ethers.

Ethereum Name Service (ENS) Name Normalizer

Utilities for handling Ethereum Addresses for ethers.

The keccak256 hash function for ethers.

Utilities and Classes for parsing, formatting and managing Ethereum ABIs.

Properties utility functions for ethers.

Utility fucntions for managing web requests for ethers.

An Abstract Class for desribing an Ethereum Signer for ethers.

Utilities for decoding and encoding Ethereum transaction for ethers.

Classes for managing, encrypting and decrypting Ethereum private keys as a Signer for ethers.

Unit conversion functions for Ethereum.

BigNumber library used in ethers.js.

Logger utility functions for ethers.

Hash utility functions for Ethereum.

Base64 coder.

Common Ethereum constants used for ethers.

Wallet management utilities for KeyStore and Crowdsale JSON wallets.

The SHA2 family hash functions and HMAC functions for ethers.

Network definitions for ethers.

Ethereum Providers for ethers.

BIP32 Hierarchal Deterministic Node operations.

String utility functions.

Contract abstraction meta-class for ethers.

Solidity coder for non-standard (tight) packing.

Recursive-Length Prefix (RLP) coder.

A tool for processing JSON-RPC messages

Elliptic curve library functions for the secp256k1 curve.

Ethereum JavaScript API

Random utility functions for ethers.

Base-X without Buffer.

Word lists for BIP39 wallets.

The PBKDF2 password-pbased key derivation function for ethers.

A JavaScript Ethereum provider that connects to the wallet over a stream

A simple module for generating ENS namehashes per spec https://github.com/ethereum/EIPs/issues/137

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

A collection of React hooks for integrating Web3-Onboard in to React and Next.js projects. Web3-Onboard makes it simple to connect Ethereum hardware and software wallets to your dapp. Features standardised spec compliant web3 providers for all supported w

Web3-Onboard makes it simple to connect Ethereum hardware and software wallets to your dapp. Features standardized spec compliant web3 providers for all supported wallets, framework agnostic modern javascript UI with code splitting, CSS customization, mul

Create an Ethereum provider using a JSON-RPC engine or middleware

Components and hooks for React-based Liquity frontends

Provides scaffolding for controllers as well a communication system for all controllers

Polling Controller is the base for controllers that polling by networkClientId

Ethereum-related json-rpc-engine middleware

EVM tooling used for coin integrations & app bindings

Mocha reporter which shows gas used per unit test.

A library containing the core functionality for building MetaMask Snaps

Multichain network controller

A simple node module that exports the [Ethereum ABI](1) for [ERC 20](2) compatible tokens.

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

Backup and rehydrate SRP(s) using social login and password

Controllers for MetaMask Snaps

Provides an interface to the currently selected network via a MetaMask-compatible provider object

Periodically calculates gas fee estimates based on various gas limits as well as other data displayed on transaction confirm screens

Manages a list of recipient addresses associated with nicknames

Provides an interface to the currently selected networkClientId for a given domain

A collection of utilities for MetaMask Snaps

Maintains a periodically updated list of approved and unapproved website origins

The profile sync helps developers synchronize data across multiple clients and devices in a privacy-preserving way. All data saved in the user storage database is encrypted client-side to preserve privacy. The user storage provides a modular design, givin

Design tokens to be used throughout MetaMask products

A type-safe message bus library

common utilities to access and format responses from auth network

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

Logs errors to an error reporting service such as Sentry

Multicoin address validator for Bitcoin and other Altcoins.

Snap sandbox environments for executing SES javascript

Low level core functionality for interacting with the Delegation Framework

Controller for managing gator permissions with profile sync integration

Manages requests that require user approval

foundryup

Manages New MetaMask decentralized Notification system

Defines a CAIP-25 based endowment permission and helpers for interfacing with it

MetaMask example snap demonstrating preinstalled Snaps

Shared types for design system libraries

Provides an interface to the currently enabled network using a MetaMask-compatible provider object

Manages logging data to assist users and support staff

Collection of Safe singleton deployments

A history of deployments of the Delegation Framework

Mediates access to JSON-RPC methods, used to interact with pieces of the MetaMask stack, via middleware for json-rpc-engine

Stores transactions alongside their periodically updated statuses and manages interactions such as approval and cancellation

Controllers which manage interactions involving ERC-20, ERC-721, and ERC-1155 tokens (including NFTs)

Manages internal accounts

Data and convenience functions shared by multiple packages

Permission types for the ERC-7715

Processes signing requests in order to sign arbitrary and typed data

Manages bridge-related status fetching functionality for MetaMask

Controller to group account together based on some pre-defined rules

Service to manage multichain accounts

This package is responsible for getting transactions from our Bitcoin and Solana snaps

JSON-RPC methods and middleware to support the MetaMask Multichain API

MetaMask Snaps JSON-RPC method implementations

Stores identities seen in the wallet and manages interactions such as signing

Manages user-configurable settings for MetaMask

Manages bridge-related quote fetching functionality for MetaMask

The RemoteFeatureFlagController manages the retrieval and caching of remote feature flags

Utilities for building MetaMask applications

The MetaMask Node module template

Manages state for earning features and coordinates interactions between staking services, SDK integrations, and other controllers to enable users to participate in various earning opportunities

An ENS interface module built on EthJS.

Design System React Native

Implements the JSON-RPC methods for managing permissions as referenced in EIP-2255 and MIP-2 and inspired by MIP-5, but supporting chain-agnostic permission caveats in alignment with @metamask/multichain-api-middleware

Design System Tailwind CSS preset for MetaMask projects

Consolidates the state from multiple controllers into one

A collection of React hooks for integrating Web3-Onboard in to React and Next.js projects. Web3-Onboard makes it simple to connect Ethereum hardware and software wallets to your dapp. Features standardised spec compliant web3 providers for all supported w

Manages token search and discovery through the Portfolio API

Manages requests that for app metadata

SDK that facilitates the interaction with Safe Smart Accounts

Collection of Safe modules contract deployments

Design System twrnc Preset

Funkit core SDK provides feature-rich and extensible smart wallets built on account abstraction

Design system react ui components

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

Stores and suggests names for values such as Ethereum addresses

SDK that facilitates the interaction with the Safe Transaction Service API

Stores and manages interactions with signing requests

Manages delegations for MetaMask

Creates user operations and manages their life cycle

@trezor/connect plugin for Ethereum

Types for use with the Safe Core SDK packages

Handle user subscription

Manages in-app announcements

Shims required for ethers in constrained environments.

The Delegation Toolkit built on top of Viem - a library for interacting with DeleGator Smart Accounts

Contains logic for rate-limiting API endpoints by requesting origin

Maps ENS names to their resolved addresses by chain id

Controller with middleware for logging requests and responses to restricted and permissions-related methods

Type definitions for the Snowbridge parachain

highlight.js syntax definition for Ethereum's Solidity language

Experimental libraries for ethers. These should not be considered stable.

ABIs mapped to versions of the Delegation Framework contracts

Controller handling shield transaction coverage logic

Techincal Indicators written in javascript

Minimal utilties to make working with the delegation framework easier

Web3-Onboard makes it simple to connect Ethereum hardware and software wallets to your dapp. Features standardised spec compliant web3 providers for all supported wallets, framework agnostic modern javascript UI with code splitting, CSS customization, mul

Javascript library for fetching trusted token pricing data from Redstone data ecosystem

Ethereum multisig contract

A simple module for generating ENS namehashes per spec https://github.com/ethereum/EIPs/issues/137

Hardware Wallet support for ethers.

Safe Core SDK Utilities

Injected wallet module for connecting browser extension and mobile wallets to Web3-Onboard. Web3-Onboard makes it simple to connect Ethereum hardware and software wallets to your dapp. Features standardised spec compliant web3 providers for all supported

Embed script for Torus

WalletConnect SDK module for connecting to Web3-Onboard. Web3-Onboard makes it simple to connect Ethereum hardware and software wallets to your dapp. Features standardised spec compliant web3 providers for all supported wallets, framework agnostic modern

Coinbase Pro API for Node.js, written in TypeScript and covered by tests.

Wallet address validator for Bitcoin and other Altcoins.

Singleton factory used by Safe related contracts

bitget-wallet SDK wallet module for connecting to Web3-Onboard. Web3-Onboard makes it simple to connect Ethereum hardware and software wallets to your dapp. Features standardized spec compliant web3 providers for all supported wallets, framework agnostic

An Abstract Class for describing an Ethereum Provider for ethers.

Utilities for decoding and encoding Ethereum transaction for ethers.

Utilities for handling Ethereum Addresses for ethers.

Logger utility functions for ethers.

Web3 client extended with Alchemy and browser provider integration.

An Abstract Class for desribing an Ethereum Signer for ethers.

Bytes utility functions for ethers.

Utility fucntions for managing web requests for ethers.

Elliptic curve library functions for the secp256k1 curve.

Solidity contract visualisation tool.

Common Ethereum constants used for ethers.

Recursive-Length Prefix (RLP) coder.

Network definitions for ethers.

Veramo KMS implementation that provides Ed25519 and secp256k1 crypto

Hash utility functions for Ethereum.

A library for interfacing with ckETH.

A tiny library to work with Substrate and Ethereum addresses and do some more

Creates user operations and manages their life cycle

Stores transactions alongside their periodically updated statuses and manages interactions such as approval and cancellation

Manages logging data to assist users and support staff

Utilities and Classes for parsing, formatting and managing Ethereum ABIs.

Properties utility functions for ethers.

BigNumber library used in ethers.js.

String utility functions.

The keccak256 hash function for ethers.

Coinbase SDK wallet module for connecting to Web3-Onboard. Web3-Onboard makes it simple to connect Ethereum hardware and software wallets to your dapp. Features standardised spec compliant web3 providers for all supported wallets, framework agnostic moder

Manages requests that require user approval

Stores identities seen in the wallet and manages interactions such as signing

Stores and manages interactions with signing requests

Controllers which manage interactions involving ERC-20, ERC-721, and ERC-1155 tokens (including NFTs)

Maintains a periodically updated list of approved and unapproved website origins

Stores and suggests names for values such as Ethereum addresses

A CLI for developing MetaMask Snaps

Mediates access to JSON-RPC methods, used to interact with pieces of the MetaMask stack, via middleware for json-rpc-engine

Data and convenience functions shared by multiple packages

Periodically calculates gas fee estimates based on various gas limits as well as other data displayed on transaction confirm screens

A tool for processing JSON-RPC messages

Processes signing requests in order to sign arbitrary and typed data

Manages New MetaMask decentralized Notification system

The profile sync helps developers synchronize data across multiple clients and devices in a privacy-preserving way. All data saved in the user storage database is encrypted client-side to preserve privacy. The user storage provides a modular design, givin

Maps ENS names to their resolved addresses by chain id

Controller with middleware for logging requests and responses to restricted and permissions-related methods

Polling Controller is the base for controllers that polling by networkClientId

Manages in-app announcements

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

Manages internal accounts

Provides an interface to the currently selected networkClientId for a given domain

Manages state for earning features and coordinates interactions between staking services, SDK integrations, and other controllers to enable users to participate in various earning opportunities

Manages user-configurable settings for MetaMask

Manages token search and discovery through the Portfolio API

CoinPayments is a cloud wallet solution that offers an easy way to integrate a checkout system for numerous cryptocurrencies. Coinpayments now also offers coin conversion via Shapeshift.io.

SDK for Safe Smart Accounts with support for ERC-4337 and Relay

JSON-RPC methods and middleware to support the MetaMask Multichain API

Utilities for building MetaMask applications

Sample package to illustrate best practices for controllers

A Webpack plugin to build MetaMask Snaps with Webpack

Provides scaffolding for controllers as well a communication system for all controllers

Contains logic for rate-limiting API endpoints by requesting origin

Consolidates the state from multiple controllers into one

Veramo ethr-did based identity controller plugin.

MetaMask SDK wallet module for connecting to Web3-Onboard. Web3-Onboard makes it simple to connect Ethereum hardware and software wallets to your dapp. Features standardised spec compliant web3 providers for all supported wallets, framework agnostic moder

Manages bridge-related quote fetching functionality for MetaMask

Provides an interface to the currently selected network via a MetaMask-compatible provider object

Multichain network controller

Defines a CAIP-25 based endowment permission and helpers for interfacing with it

Manages a list of recipient addresses associated with nicknames

This package is responsible for getting transactions from our Bitcoin and Solana snaps

Manages delegations for MetaMask

Create an Ethereum provider using a JSON-RPC engine or middleware

Implements the JSON-RPC methods for managing permissions as referenced in EIP-2255 and MIP-2 and inspired by MIP-5, but supporting chain-agnostic permission caveats in alignment with @metamask/multichain-api-middleware

The RemoteFeatureFlagController manages the retrieval and caching of remote feature flags

Backup and rehydrate SRP(s) using social login and password

A simulation framework for MetaMask Snaps, enabling headless testing of Snaps in a controlled environment

Service to manage multichain accounts

Manages bridge-related status fetching functionality for MetaMask

Logs errors to an error reporting service such as Sentry

Handle user subscription

Controller to group account together based on some pre-defined rules

A type-safe message bus library

foundryup

Controller for managing gator permissions with profile sync integration

A Jest preset for end-to-end testing MetaMask Snaps, including a Jest environment, and a set of Jest matchers

Rango Exchange SDK for dApps

Safe module for connecting to Web3-Onboard. Web3-Onboard makes it simple to connect Ethereum hardware and software wallets to your dapp. Features standardised spec compliant web3 providers for all supported wallets, framework agnostic modern javascript UI

Ethereum multisig contract

Manages requests that for app metadata

Provides an interface to the currently enabled network using a MetaMask-compatible provider object

Ledger hardware wallet module for connecting to Web3-Onboard. Web3-Onboard makes it simple to connect Ethereum hardware and software wallets to your dapp. Features standardized spec compliant web3 providers for all supported wallets, framework agnostic mo

Ledger EVM Coin integration

Controller handling shield transaction coverage logic

The smart contracts which make up the Synthetix system. (synthetix.io)

Implements the JSON-RPC methods for sending multiple calls from the user's wallet, and checking their status, as referenced in EIP-5792

The SHA2 family hash functions and HMAC functions for ethers.

Typescript port of web3.js

Multicoin address validator for Bitcoin and other Altcoins ported to TypeScript.

Simplify dApp creation

Utilities for decoding and encoding Hedera Hashgraph transactions for hethers.

Web3-Onboard makes it simple to connect Ethereum hardware and software wallets to your dapp. Features standardised spec compliant web3 providers for all supported wallets, framework agnostic modern javascript UI with code splitting, CSS customization, mul

Rango Exchange Basic SDK for dApps

Trust Wallet SDK wallet module for connecting to Web3-Onboard. Web3-Onboard makes it simple to connect Ethereum hardware and software wallets to your dapp. Features standardized spec compliant web3 providers for all supported wallets, framework agnostic m

BTC Markets API Client for Node.JS