Cardano Leader Slot

Scheduled Block Checker for Cardano Stakepool Operators.

Lightweight and Portable Scheduled Blocks Checker for Next, Current and Previous Epochs. No cardano-cli required, just your VRF Key file. All data is taken from Koios API and Armada Alliance

Note: This is a reworking of old python script ScheduledBlocks.py available on https://github.com/papacarp/pooltool.io.git , Ouroboros TPraos version: https://github.com/asnakep/ScheduledBlocks and using Ouroboros Praos updated code from https://github.com/dostrelith678/cardano-leader-logs

Prerequisites:

• Python 3.8 or higher version
• pip (Python package installer)
• libsodium library
• Koios-Python Library

Installing libsodium library

First of all you need libsodium library installed, If not follow these steps:

git clone https://github.com/input-output-hk/libsodium.git

cd libsodium

git checkout 1.0.16-519-g66f017f1

./autogen.sh

./configure

make

sudo make install

Update:

• Go to your Git folder where is this repository cloned and run:

git pull

• Make sure that you have the last version of Koios Python installed:

pip install koios-python -U

Setup:

• Clone this repository using git:

git clone https://github.com/QuixoteSystems/cardano-leader-slot.git 

• Execute inside the newly cloned directory:

pip install -r pip_requirements.txt 

to install all needed python package requirements

• Make sure you can access your vrf.skey file (you can copy in it a path of your choice) and remember to keep it as read only chmod 400 vrf.skey

• Set Pool Variables on lines 35-39 of leaderslot.py:

### Set These Variables -------------------------------------------###

pool_ticker = "YOUT_POOL_TICKER"
vrf_key_file = ('YOUR_VRF_FILE_PATH')
pool_id_bech32 = "YOUR_POOL_ID:_pool1..."

### -------------------------------------------------------------- ###

Usage:

python3 leaderslot.py

Output:

• a console output with all the slots assigned for next, current and previous Epochs

Output Example of a Previous Epoch: