Installation

``bash
npm install --save-dev hardhat-etherscan-abi
`

And add the following statement to your hardhat.config.js:

`js
require("hardhat-etherscan-abi");
`

Or, if you are using TypeScript, add this to your hardhat.config.ts:

`js
import "hardhat-etherscan-abi";
`

Tasks

This plugin creates no additional tasks.

Environment extensions

This object has adds some extra hardhat-etherscan-abi specific functionalities by adding new extra fields to hre.ethers

$3

These helpers are added to the ethers object:

`typescript
export async function getVerifiedContractAt(
hre: HardhatRuntimeEnvironment,
address: string,
signer?: ethers.Signer
): Promise;
`

Usage

You need to add the following Etherscan config to your hardhat.config.js file. Etherscan API key is optional but without it Etherscan allows only 1 request per 5 seconds.

`js
module.exports = {
networks: {
mainnet: { ... }
},
etherscan: {
// Your API key for Etherscan
// Obtain one at https://etherscan.io/
apiKey: "YOUR_ETHERSCAN_API_KEY"
}
};
`

Then use the function:

`js
const contract = await hre.ethers.getVerifiedContractAt('