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Utilities for operating a chainlink node.

Project description

Python package

Chainlink Tools

chainlink-tools is a command line utility designed to make life easier for Chainlink node operators.

Notes

Authentication with the node is managed by the same .api file as outlined in the official Chainlink documentation.

Install

$ pip install chainlink-tools

Bootstrapping a node

The bootstrap-jobs subcommand allows for easy bootstrapping when setting up a node for the first time.

$ chainlink-tools \
    --credentials "/path/to/.api/file" \
    --node-url "http://localhost:6688" \
    bootstrap-jobs \
    --oracle-address "YOUR_ORACLE_CONTRACT_ADDRESS"

This will add the five default jobs to the node, as outlined in the Chainlink docs:

  • EthBytes32 (GET)
  • EthBytes32 (POST)
  • EthInt256
  • EthUint256
  • EthBool

The address you pass in for --oracle-address will be set as the address for the RunLog initiator.

Adding new jobs to a node

chainlink-tools provides two different mechanisms for adding new jobs to a node.

Syncing a directory of jobs

The sync-jobs subcommand allows for syncing a directory of job specs to a running node.

$ chainlink-tools \
    --credentials "/path/to/.api/file" \
    --node-url "http://localhost:6688" \
    sync-jobs \
    --jobs_dir "/path/to/jobs/dir"

--jobs-dir should be the path to a directory of .json files of job specs:

chainlink-jobs
|   ethusd.json
|   btcusd.json
|   linkusd.json

sync-jobs will first check to see if the job already exists in the node. This is done by doing a comparison of all initators, tasks, and other top level fields. For any jobs in the specified directory not already found on the node, sync-jobs will add them to the node.

This allows you to keep a single running directory of all your jobs and run sync-jobs on the whole directory every time you add a new one.

Note: For comparison purposes, all ETH addresses that appear in a job spec should be lowercase.

Specifying a single job to add to a node

Alternatively, if you would like to manually create each individual job, the create-job subcommand allows for specifying a single job to add to a node.

$ chainlink-tools \
    --credentials "/path/to/.api/file" \
    --node-url "http://localhost:6688" \
    create-job \
    --job "/path/to/job1.json"

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