nostpy-cli

nostpy-cli is a Command Line Interface tool for sending and querying nostr events by websocket connection.

Features

• Send events to specified relays
• Query events from specified relays
• Encode/decode kind4 messages
• Supports NIP-50 searches

Prerequisites

Before installing nostpy-cli, ensure you have Python 3.6 or higher installed on your system. You can check your Python version by running:

python3 --version

Installation

Install Using pip

To install using pip use the command below:

pip install nostpy-cli

Build from source

Clone the Repository First, clone the repository to your local machine:

git clone https://github.com/UTXOnly/nostpy-cli.git
cd nostpy-cli
python3 -m build
pip install .

Usage

Once installed, you can run nostpy-cli from the command line as shown below:

Send Event

To send an event:

nostpy-cli send_event -pubkey "your_public_key_hex" -privkey "your_private_key_hex" -content "your plaintext message" -tags "[['tag1', 'value1']]" -kind 4 --relay "wss://yourrelayurl.com" "wss://yoursecondrelayurl.com"

--pubkey , --priv_key and --relay arguments are required, all else are optional

Example

• Send a kind 1 event with tags

nostpy-cli send_event -pubkey 5ce5b352f1ef76b1dffc5694dd5b34126137184cc9a7d78cba841c0635e17952 -privkey 2b1e4e1f26517dda57458596760bb3bd3bd3717083763166e12983a6421abc18 -content test27 -tags "[
['t', 'vvfdvfd'], ['v', 'v2']]" -kind 1 --relay wss://relay.nostpy.lol wss://relay.damus.io wss://nos.lol

• Send a kind 4 direct message

nostpy-cli send_event -pubkey 5ce5b352f1ef76b1dffc5694dd5b34126137184cc9a7d78cba841c0635e17952 -privkey 2b1e4e1f26517dda57458596760bb3bd3bd3717083763166e12983a6421abc18 -content "This is my plaintext message" -tags "[['p', '4503baa127bdfd0b054384dc5ba82cb0e2a8367cbdb0629179f00db1a34caacc']]" -kind 4 --relay wss://relay.nostpy.lol wss://relay.damus.io wss://nos.lol

Query Event

To query events:

nostpy-cli query --kinds "[1,9735]" --relay "wss://yourrelayurl.com"

--relay field required

Example

• Query an event with search

nostpy-cli query -kinds "[31990,1]" -search "random_search" -since 1713629501 -authors npub1g5pm4gf8hh7skp2rsnw9h2pvkr32sdnuhkcx9yte7qxmrg6v4txqqudjqv --relay wss://relay.nostpy.lol

Decrypt kind4 message content

Decrypt kind4 message content by providing recipient private key hex, sender public key hex and the message ciphertext, returns the plaintext message

Example

nostpy-cli decrypt -content "kP9dCG/stpEGNTjW2/aySQ==?iv=+GCHVOBAiM9X074n1vxiFg==" -priv_key 2b1e4e1f26517dda57458596760bb3bd3bd3717083763166e12983a6421abc18 -sender_pubkey 4503baa127bdfd0b054384dc5ba82cb0e2a8367cbdb0629179f00db1a34caacc 

Help

To view all available commands and their options, use the help command:

nostpy-cli -h

usage: nostpy-cli [-h] {query,send_event,decode} ...

Send and query nostr events

options:
  -h, --help            show this help message and exit

commands:
  valid commands

  {query,send_event,decode}
                        additional help
    query               Query events
    send_event          Send an event
    decode              Decode kind4 content

Example send usage: nostpy-cli send_event -pubkey "abc123..." -privkey "def456..." -content "Hello, world!" --relay "wss://example.com"

Contributing

Contributions to nostpy-cli are welcome! Please feel free to submit pull requests or open issues to report bugs or suggest enhancements.

License

This project is licensed under the MIT License - see the LICENSE file for details.