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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.


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


$ 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:

|   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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