TODO.md

Electrum

• Snapshot DB after successful indexing - and run queries on the latest snapshot
• Update height to -1 for txns with any unconfirmed input

Rust

• Use bytes instead of Vec<u8> when possible
• Use generators instead of vectors
• Use proper HTTP parser for JSONRPC replies over persistent connection

Performance

• Consider https://github.com/facebook/rocksdb/wiki/RocksDB-Tuning-Guide#difference-of-spinning-disk