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A modern, lightweight, descriptor-based wallet library written in Rust!

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A modern, lightweight, descriptor-based wallet library written in Rust!

The Bitcoin Dev Kit

About

The bdk libraries aim to provide well engineered and reviewed components for Bitcoin wallets and other applications. They are built upon the excellent rust-bitcoin and rust-miniscript crates.

Architecture

The workspace in this repository contains several crates in the /crates directory:

Sub-Directory	Description	Badges
`chain`	Tools for storing and indexing chain data.
`core`	A collection of core structures used by the `bdk_chain`, `bdk_wallet`, and BDK's chain data source crates.
`esplora`	Extends the `esplora-client` crate with methods to fetch chain data from an esplora HTTP server in the form that `bdk_chain` and `Wallet` can consume.
`electrum`	Extends the `electrum-client` crate with methods to fetch chain data from an electrum server in the form that `bdk_chain` and `Wallet` can consume.
`bitcoind_rpc`	Extends `bitcoincore-rpc` for emitting blockchain data from the `bitcoind` RPC interface in the form that `bdk_chain` and `Wallet` can consume.
`file_store`	Persistence backend for storing chain data in a single file. Intended for testing and development purposes, not for production.

The bdk_wallet repository and crate contains a higher level Wallet type that depends on the above lower-level mechanism crates.

Security Policy

To report a security issue, please refer to the security policy.

Minimum Supported Rust Version (MSRV)

The following BDK crates maintains a MSRV of 1.85.0. To build these crates with the MSRV of 1.85.0 you will need to pin dependencies by running the pin-msrv.sh script.

bdk_core
bdk_chain
bdk_bitcoind_rpc
bdk_esplora
bdk_file_store
bdk_electrum

Just

This project has a justfile for easy command running. You must have just installed.

To see a list of available recipes: just

License

Licensed under either of

Apache License, Version 2.0, (LICENSE-APACHE or )
MIT license (LICENSE-MIT or )

at your option.

Contribution

Unless you explicitly state otherwise, any contribution intentionally submitted for inclusion in the work by you, as defined in the Apache-2.0 license, shall be dual licensed as above, without any additional terms or conditions.