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ChainLink
Start using Chainlink in your smart contracts and front-end today 😁
Branch Info
Author: pharo.eth 🥷🏽
Source code: https://github.com/scaffold-eth/scaffold-eth-examples/tree/chainlink-tutorial-1
Intended audience: Beginners/Intermediate
Topics: Scaffold-eth basics, Chainlink, API Integration, VRF, Price Feeds
Getting Started & Setting Up
From a terminal or code editor of your choice start by cloning the repo.
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git clone -b chainlink-tutorial-1 https://github.com/scaffold-eth/scaffold-eth-examples.git app
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cd app
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Update all the packages.
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yarn install
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Generate a deployer account and mnemonic.
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yarn generate
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You can ignore the warnings here.
You need to fund your account with ETH to deploy on the Kovan network. By running the following command it will show you the deployer address and the balance.
Testnet ETH is available from:
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yarn account
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Now you are ready to deploy your contracts.
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yarn deploy
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Start the front-end application.
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yarn start
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When your application starts at http://localhost:3000 you will see your contracts interfaces. These have all been pre-added in the App.jsx file.
You still need to fund the RandomNumberConsumer contract with LINK so copy the address and send it some test LINK.
Side Quest - use deploy.js to fund the contract with LINK after funding deployer account.
ToDo: gather the screen shots, show how I designed a dice roll with the RNG result in solidity.
Using an Aggregator or Price Feed
Calling any API
Using Existing Chainlink Jobs