Chainlink Functions

Basic example of using Chainlink functions to execute JavaScript and store the result in a Solidity smart contract.

0:00 Intro 0:38 Get MATIC and LINK for testnet 1:35 Install Deno and NPM packages 2:13 Get API keys 3:30 Set encrypted environment variables 5:07 Code explanation 5:28 JS file (calculation-example.js) 6:36 Configuration file (Functions-request-config.js) 7:53 Solidity contract (FunctionsConsumer.sol) 9:15 Simulate function 9:36 Deploy FunctionsConsumer.sol 10:28 Create Chainlink subscription 11:57 Send request to execute JS file 13:03 Check subscription and requests 13:24 Check response

Chainlink Functions starter https://github.com/smartcontractkit/functions-hardhat-starter-kit

Chainlink Functions architecture https://docs.chain.link/chainlink-functions/resources/architecture#overview

Off-chain consensus https://docs.chain.link/architecture-overview/off-chain-reporting

Notes https://github.com/t4sk/notes/blob/main/chainlink/functions.md

More notes For first-time viewers they will need to accept the Beta (ToS) on the frontend UI before they can programmatically create a subscription.

#Solidity #SmartContract #Ethereum #スマートコントラクト

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