1. `ninja`
2. `./src/bitcoind -regtest -reindex -debug=chronik` -> prints `Starting Chronik...`, `Chronik: tip hash = 000...000`, `Chronik: tip height = -1`
3. Stop node
4. `./src/bitcoind -regtest -debug=chronik` -> prints `Starting Chronik...`, `Chronik: tip hash = 0f9...206`, `Chronik: tip height = 0`