| name | bitcoin-libraries-ldk |
| description | | Use when this capability is needed. |
LDK (Lightning Dev Kit)
Modular Rust library for Lightning. Used by Mutiny Wallet, Cash App,
Casa, ldk-node, more.
See full overview at ../../lightning/ldk/SKILL.md.
Crates
lightning — core protocol logic.
lightning-net-tokio — async TCP transport.
lightning-persister — file persistence.
lightning-background-processor — task driver.
lightning-block-sync — chain sync via bitcoind RPC.
lightning-transaction-sync — chain sync via Esplora / Electrum.
lightning-rapid-gossip-sync — fast initial gossip.
lightning-invoice — BOLT11 invoice handling.
ldk-node — opinionated bundled crate.
lightning-liquidity — LSP client/server.
ldk-node quickstart
[dependencies]
ldk-node = "0.4"
use ldk_node::{Builder, Network};
let builder = Builder::new()
.set_network(Network::Bitcoin)
.set_chain_source_esplora("https://mempool.space/api".into())
.set_storage_dir_path("/path/to/data".into());
let node = builder.build()?;
node.start()?;
let invoice = node.bolt11_payment().receive(
100_000_000,
"Test", 3600,
)?;
Bindings
- LDKSwift — iOS/macOS.
- LDKKotlin / LDKAndroid — Android.
- ldk-node-jvm — JVM.
- ldk-node-js — JS/WASM.
Use cases
- Mobile Lightning wallets.
- Browser-based LN (Mutiny via WASM).
- Custom backend services with Lightning embedded.
Compared
See ../../lightning/ldk/SKILL.md for
LND/CLN comparison and full feature matrix.
Common pitfalls
Persist trait misimplementation → state corruption.
- Async signer race conditions.
- Version migrations require careful state migration.
See also
Source: claude-dev-suite/claude-dev-suite — distributed by TomeVault.