nwaku/docs/tutorial/rln-db-inspector.md

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# rln-db-inspector
This document describes how to run and use the `rln-db-inspector` tool.
It is meant to be used to debug and fetch the metadata stored in the RLN tree db.
## Pre-requisites
1. An existing RLN tree db
## Usage
1. First, we compile the binary
```bash
make -j16 wakunode2
```
This command will fetch the rln static library and link it automatically.
2. Define the arguments you wish to use
```bash
export RLN_TREE_DB_PATH="xxx"
```
3. Run the db inspector
```bash
./build/wakunode2 inspectRlnDb \
--rln-relay-tree-path:$RLN_TREE_DB_PATH
```
What this does is -
a. loads the tree db from the path provided
b. Logs out the metadata, including, number of leaves set, past 5 merkle roots, last synced block number