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Chad Feierstein

Linux - Installation de Cardano DB Sync

Guide complet pour installer Cardano DB Sync sur Debian 12 avec base de données PostgreSQL et gestionnaire de paquets NIX, incluant la configuration du service

Debian 12Cardano DB SyncPostgreSQLNIXBlockchainDatabase

Étapes d'Installation

Install PostgreSQL and additional extensions

sudo apt install postgresql postgresql-contrib

Enable PostgreSQL service for automatic startup

sudo systemctl enable postgresql

Start PostgreSQL service

sudo systemctl start postgresql

Connect to PostgreSQL console as postgres user

sudo -u postgres psql

Create Cardano database user with password

CREATE USER cardano WITH PASSWORD 'PASSWORD';

Use a strong, secure password

Create Cardano Explorer database

CREATE DATABASE cexplorer OWNER cardano;

Grant all privileges for the database

GRANT ALL PRIVILEGES ON DATABASE cexplorer TO cardano;

Switch to cardano user account

sudo -i -u cardano

Clone Cardano DB Sync repository

git clone https://github.com/IntersectMBO/cardano-db-sync.git

Change to cardano-db-sync directory

cd cardano-db-sync/

List available version tags

git tag | sort -V

Switch to specific version tag

git switch -d tags/13.6.0.5

Install Cardano DB Sync with NIX

nix profile install .

This installation may take some time

Create PostgreSQL password file

.pgpass
localhost:5432:cexplorer:cardano:PASSWORD

Set file permissions for security

chmod 600 ~/cardano-config/.pgpass

Create system-wide symbolic link

sudo ln -sf /home/cardano/.nix-profile/bin/cardano-db-sync /usr/local/bin/cardano-db-sync

Create systemd service configuration file

cardano-db-sync.service
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[Unit]Description=Cardano DB SyncAfter=network.target cardano-node.serviceRequires=cardano-node.service [Service]User=cardanoGroup=cardanoWorkingDirectory=/home/cardano/cardano-configEnvironment="PGPASSFILE=/home/cardano/cardano-config/.pgpass"ExecStart=/usr/local/bin/cardano-db-sync \  --config /home/cardano/cardano-config/db-sync-config.json \  --socket-path /home/cardano/cardano-db/node.socket \  --state-dir /home/cardano/cardano-db-sync-state \  --schema-dir /home/cardano/cardano-db-sync/schema Restart=on-failureRestartSec=10LimitNOFILE=32768 [Install]WantedBy=multi-user.target

Reload systemd for new service

sudo systemctl daemon-reload

Enable service for automatic startup

sudo systemctl enable cardano-db-sync

Start Cardano DB Sync service

sudo systemctl start cardano-db-sync

Check service status

sudo systemctl status cardano-db-sync

Follow service logs in real-time

journalctl -u cardano-db-sync -f

Conseils Supplémentaires

Commandes et conseils utiles pour une meilleure gestion

Ressources Supplémentaires

Documentation officielle et liens utiles

Cardano DB Sync Repository

Official GitHub repository with source code and documentation

PostgreSQL Documentation

Official PostgreSQL documentation for database administration

Cardano Developer Portal

Official Cardano developer portal with DB Sync documentation

Installation de Cardano DB Sync Terminée !

Votre Cardano DB Sync fonctionne maintenant et synchronise les données blockchain dans la base de données PostgreSQL. Surveillez régulièrement les logs et la progression de la synchronisation.