Verify with Hardhat
Hardhat has an Etherscan plugin: Hardhat Etherscan plugin
Note: Hardhat was previously Buidler.
Install the plugin
npm install --save-dev @nomiclabs/hardhat-etherscan
Configure the plugin in buidler.config.js
- Add require("@nomiclabs/hardhat-etherscan");
- Add Bscscan API key
keep secret and don’t commit to version control)
Go to register and get API key: https://bscscan.com/myapikey
- Set compiler version to match what was deployed
Remove any unnecessary contracts and clear the artifacts otherwise these will also be part of the verified contract.
Run the following command:
npx buidler verify --network mainnet DEPLOYED_CONTRACT_ADDRESS "Constructor argument 1"
$ npx hardhat verify --network testnet 0xbF39886B4F91F5170934191b0d96Dd277147FBB2 Nothing to compile Compiling 1 file with 0.5.16 Successfully submitted source code for contract contracts/BEP20Token.sol:BEP20Token at 0xbF39886B4F91F5170934191b0d96Dd277147FBB2 for verification on Etherscan. Waiting for verification result... Successfully verified contract BEP20Token on Etherscan. https://testnet.bscscan.com/address/0xbF39886B4F91F5170934191b0d96Dd277147FBB2#code