This decoder library leverages FFmpeg for efficient audio decoding. It simplifies processing of input audio, particularly as a preprocessing step for other addons.
[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
A simple standard interface for a series of Ethereum private keys
base eth keyring
Address converter, convert ETH address to Ethermint/astra address.
Keyring for connecting to the Lattice1 hardware wallet
A helper tool for decoding MongoDB change stream resume tokens
Aedes plugin to decode connection frame and validate proxies
BitGo SDK coin library for Ethereum
A module for getting method signature info from an ethereum method signature.
The MetaMask Node module for smart contracts ABIs.
Parse all the varints in a Buffer (for when there are varints everywhere)
A money account keyring that wraps the HD keyring with a different keyring type and derivation path
[Optimism] L1 and L2 smart contracts for Optimism
promise-based wav decoder
A fast Base64 decoder with a low level API. If you want a high level API, look at [base64-js](https://github.com/beatgammit/base64-js).
JS/WebAssembly build of [OpenJPEG](https://github.com/uclouvain/openjpeg)
Performant JPEG decoder
Address converter, convert ETH address to Ethermint/evmos address.
A TextDecoder replacement
Decode WebM audio (Opus, Vorbis) to PCM samples
Decode WMA audio via RockBox WASM
A block tracker for the Ethereum blockchain. Keeps track of the latest block