The Blockchain Coordinator service is primarily responsible to verify the index readiness. It regularly monitors the index completion status and schedules jobs to index the missing or newly generated blocks as soon as they're available.
Note that this installation instruction is required only for development activities. For a regular Lisk Service user the official documentation is sufficient to run an instance. The global readme file present in the root directory covers running all the microservices simultaneously.
Please refer to the README in the project root directory.
Clone the Lisk Service Repository:
git clone https://github.com/LiskHQ/lisk-service.git # clone repository
cd lisk-service/services/blockchain-coordinator # move into blockchain-coordinator microservice directory
npm ci # install required Node.js dependenciesTo configure the different microservices, there are several environment variables the user can define to customize the configurations.
A list of the most commonly used environment variables is presented below:
SERVICE_BROKER: URL of the microservice message broker (NATS or Redis).SERVICE_MESSAGE_QUEUE_REDIS: URL of the job queue to schedule the indexing jobs (Redis).
cd lisk-service/services/blockchain-coordinator # move into the root directory of the blockchain-coordinator microservice
npm start # start the microservice with running nodes locallyUse the framework/bin/moleculer_client.js and framework/bin/moleculer_subscribe.js clients to test particular service endpoints.
If you want to run a production variant of the service, use Docker or PM2. This will automatically recover the process when it fails.
Press Ctrl+C in the terminal to stop the process.
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