| Feature | Lnd Emulator Utility | Full LND + Regtest + Bitcoind | | :--- | :--- | :--- | | | < 100 milliseconds | 30–90 seconds | | Memory Footprint | 50–200 MB | 2–4 GB | | Channel Open Speed | Instant (configurable) | ~1 block (10 min regtest or instant with -generate ) | | Failure Simulation | Programmatic (any error code) | Requires real liquidity constraints | | Routing Logic | Mocked / Simplified | Full Dijkstra + probability | | Multi-node Setup | Single process (logical nodes) | One container per node | | Best For | Unit tests, CI/CD, UI dev | Integration tests, protocol research |
Developing applications that interact with LND often requires a fully synced node, open channels, and on-chain funds — a time-consuming and resource-heavy process. The simulates the core LND API behaviors, allowing you to: Lnd Emulator Utility