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Use this guide when you have deployed a contract with Hardhat and want to verify the source on Berachain’s block explorer (Berascan).

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Repository

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Requirements

  • Node, npm, Hardhat
  • Deployed contract address and constructor arguments (if any)
  • Same Solidity version and build settings as deployment

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Stack

Hardhat, Ethers v6, Solidity, Hardhat Etherscan/Verification plugin.

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Quick start

  1. Clone and install 
    git clone https://github.com/berachain/guides.git && cd guides/apps/hardhat-contract-verification
npm install
  2. Configure Hardhat for Berachain (network and verify task); see README.
  3. Run the verify task, e.g. npx hardhat verify --network berachainTestnet <ADDRESS> <CONSTRUCTOR_ARGS...>.
For exact verify command and config, fetch the raw README.