Hardhat Chainlink Keepers Demo Project

Demonstration of Chainlink Keepers on Kovan testnet. Owner has ability to toggle counter on/off.

.env:

KOVAN_URL= <node provider API key>
KOVAN_KEY= <private key>
ETHERSCAN_KEY= <Etherscan API key>
POLYGONSCAN_KEY <Polygonscan API key>
CONTRACT_ADDRESS= <deployed address>

Deploy new contract:

npx hardhat run scripts/deploy.js --network kovan

Kovan ETH/LINK faucet:

https://faucets.chain.link/kovan

Register Upkeep:

https://docs.chain.link/docs/chainlink-keepers/register-upkeep/#how-funding-works

Verify contract:

npx hardhat verify --network kovan <contract_address> <constructor args> 

Event listener script:

npx hardhat run scripts/listener.js --network kovan   

Events emitted on automated counter increments