The Graph App

A sample app for integrating The Graph with Chainlink price feeds to monitor address changes

The Graph App is a demo for The Graph queries that monitor address changes for given Chainlink price feed.

Setup

1. Clone the repository

https://github.com/thisonedev/vault.git
cd chainlink-graph-app

3. Install dependencies

npm install

4. Set up configs

Create .env file and add the following keys:

  • ENS_API - an API endpoint for ENS subgraph queries
  • RESOLVER_ADDRESS - a Chainlink resolver address for your price feed (e.g. BTC/USD)
  • FEED_DOMAIN_ID - an ENS domain id for a corresponding Chainlink price feed (e.g. 0xfb3362a97947a1804738d871b660275dff443b48fb7da009b2c605969b2045e9)
  • AGGREGATOR_DOMAIN - an ENS domain for a corresponding Chainlink price feed (e.g. aggregator.btc-usd.data.eth)

The .env.example file has default values for BTC/USD pair.

Run one of the scripts

Aggregator Address Monitoring. Method A

This script monitors aggregator address changes for BTC/USD price feed via Resolver entity.

npm run ens-aggregator-a

Aggregator Address Monitoring. Method B

This script monitors aggregator address changes for BTC/USD price feed via Domain entity.

npm run ens-aggregator-b

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Setup1. Clone the repository2. Enter chainlink-graph-app directory3. Install dependencies4. Set up configsRun one of the scriptsAggregator Address Monitoring. Method AAggregator Address Monitoring. Method B