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herodb/README.md
2025-09-10 11:59:31 +02:00

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# HeroDB
Redis-compatible database server with encryption and AGE cryptographic operations.
## Features
- Redis protocol compatibility
- String, hash, and list data types
- Key expiration and persistence
- Database encryption with ChaCha20-Poly1305
- AGE encryption/decryption operations
- Digital signatures with Ed25519
- Persistent storage using redb
## Installation
```bash
cargo build --release
```
## Usage
```bash
./target/release/herodb --dir /path/to/db --port 6379
```
## RPC Server
HeroDB includes an optional JSON-RPC 2.0 management server for database administration tasks. Enable it with the `--enable-rpc` flag and specify the port with `--rpc-port` (default: 8080).
For a complete list of available RPC commands and usage examples, see [RPC_COMMANDS.md](RPC_COMMANDS.md).
### Options
- `--dir`: Database directory (required)
- `--port`: Server port (default: 6379)
- `--debug`: Enable debug logging
- `--encrypt`: Enable database encryption
- `--encryption-key`: Master encryption key for encrypted databases
- `--enable-rpc`: Enable RPC management server
- `--rpc-port`: RPC server port (default: 8080)
### Examples
```bash
# Basic server
herodb --dir ./data
# Encrypted database
herodb --dir ./data --encrypt --encryption-key "your-key"
# Custom port with debug
herodb --dir ./data --port 7000 --debug
```
## Redis Commands
Supports standard Redis commands including:
- **Strings**: GET, SET, MGET, MSET, INCR, DEL
- **Hashes**: HGET, HSET, HGETALL, HDEL, HEXISTS
- **Lists**: LPUSH, RPUSH, LPOP, RPOP, LLEN, LRANGE
- **Keys**: KEYS, SCAN, EXISTS, EXPIRE, TTL
- **Transactions**: MULTI, EXEC, DISCARD
- **Server**: PING, ECHO, INFO, CONFIG
## AGE Commands
Extended commands for cryptographic operations:
- **Key Generation**: `AGE GENENC`, `AGE GENSIGN`, `AGE KEYGEN`
- **Encryption**: `AGE ENCRYPT`, `AGE DECRYPT`, `AGE ENCRYPTNAME`
- **Signing**: `AGE SIGN`, `AGE VERIFY`, `AGE SIGNNAME`
- **Management**: `AGE LIST`
## Client Usage
Connect using any Redis client:
```bash
redis-cli -p 6379 SET key value
redis-cli -p 6379 GET key
redis-cli -p 6379 AGE GENENC
```
## Architecture
- **Storage**: redb embedded database
- **Protocol**: Redis RESP protocol over TCP
- **Encryption**: ChaCha20-Poly1305 for data, AGE for operations
- **Concurrency**: Tokio async runtime