Blockscout
SupportWebsiteGithubDiscord
  • Blockscout Open-Source Explorer
  • 💡About BlockScout
    • Features
      • Ethereum Bytecode Database Microservice
      • Blockscout Redesign
    • Chains Using Blockscout
    • Partners & Integrations
      • RaaS Providers
      • Vera: Verifier Alliance
        • Adding your chain to the Vera database
        • Programmatic verification via the API
    • News & Media
      • Newsletter & Blog
    • Funding
      • L2 Funding Proposal
        • Aux Funding Images
    • Roadmap
  • 🙎Using Blockscout
    • Getting Started
      • Glossary of Terms
      • Main Menu
      • Blocks
      • Transaction Types
      • Beacon Chain Withdrawal Views
    • My Account
      • Watch list
      • Private tags
      • Public tags
      • API keys
      • Custom ABI
      • Verified addresses
        • Copy and Sign Message
      • For developers
    • Dappscout Apps Marketplace
      • DApp Integration
    • Swapscout
      • Earn Merits when using Swapscout
    • Revokescout
    • Autoscout Explorer Launchpad
    • CSV Exports
    • Token Support
      • ERC-1155 Support
    • Merits
      • Streak rewards
      • Activity Pass
      • Leaderboard
      • Badges
      • FAQs
  • 👩‍💻Developer Support
    • For Web3 Developers
    • Link to Blockscout
    • Blockscout APIs
      • Requests & Limits
      • REST API Endpoints
        • Stats API
        • Interpreter API
      • JSON RPC & ETH Compatible RPC Endpoints
        • Account
        • Block
        • Contract
        • Logs
        • Stats
        • Token
        • Transaction
        • ETH RPC API
      • GraphQL in Blockscout
    • Smart Contract Verification
      • Blockscout UI
      • Blockscout smart-contract verification API
      • Hardhat Verification Plugin
        • Sourcify Plugin for Hardhat
      • Foundry Verification
      • Sourcify Verification
      • OpenZeppelin Contract Verification
      • Automate verifications with Catapulta
      • Verification via thirdweb
      • Interacting with Smart Contracts
    • Integrate Merits
    • Chainscout chains list
  • 🏃‍♂️Setup and Run Blockscout
    • General Overview
      • Separate Indexer, Web App, and API
      • Umbrella Project Organization
      • Indexer Architecture Overview
      • ShareLock
      • EVM Version Information
    • Requirements
      • General Backend Requirements / Blockscout Backend Prerequisites
      • Backend/Frontend Compatibility Matrix
      • Hardware & Hosting Requirements
      • Database Storage Requirements
      • Client Setting Requirements
      • Node Tracing / JSON RPC Requirements
      • L2 -> L1 JSON-RPC Method Requests
    • ☑️ENV Variables
      • Backend ENVs: Common
      • Backend ENVs: Chain-Specific
      • Backend ENVs: Integrations
      • Frontend ENVs: Common
        • ENVs
        • Deprecated ENVs
      • Deprecated Backend ENVs
        • Previous ENV Variable Home Page
    • Deployment
      • ⭐Manual Deployment Guide
        • Ubuntu Setup
        • MacOS setup
      • ⭐Docker-compose Deployment
      • ⭐Kubernetes Deployment
      • Rollup Deployment
      • 🌟Cosmos-based chains
      • 🍀Upgrade Guide (v7.0 & v8.0)
      • Frontend Migration
        • All-In-One Container
        • Separate Frontend
        • Customized Backend
        • Proxy Setup
        • FAQs
      • Manual Deployment (backend + old UI)
        • Manual cleaning an instance from the previous deployment
      • Terraform Deployment
      • Ansible Deployment (AWS Cloud)
        • Overview
        • Prerequisites
        • AWS Permissions & Settings
          • Creating a Secret Key Pair
          • Login with AWS CLI
          • Creating an AWS certificate for SSL
          • Manually Cleaning Terraform Related Instances
        • Variables
        • Deploying the Blockscout Infrastructure
        • Deploying Blockscout
        • Destroying Provisioned Infrastructure
        • Common Additional Tasks
        • Common Errors and Questions
        • AWS Marketplace (deprecated)
          • Overview
          • CloudFormation Template
          • Prerequisites & Install Parameters
          • Install from AWS Marketplace
          • AWS EC2 archive node setup with OpenEthereum (formerly Parity)
          • Updating & Redeploying in AWS
          • Customizing CSS
    • Microservices
      • Blockscout ENS (BENS) Name Service Integration
      • Smart Contract Verification
    • Configuration Options
      • Automating Restarts
      • Branding Configs
      • Circle CI Updates
      • Charts and Stats
      • CSS Configuration & Presets
      • Exchange Rates
      • Front-end Config Files
      • haproxy Settings for Blockscout.com
      • Internationalization
      • Logger Configs
      • Memory Usage
      • Metrics
      • My Account Settings
      • Sorting and Pagination
      • Tracing
      • Reown Project ID for contract Read/Write
    • Indexing
      • How do I fix indexer timeouts?
      • How do I update memory consumption to fix indexer memory errors?
    • Testing
    • DB schema
  • FAQs
    • User FAQs
    • Developer FAQs
  • 🧩Resources
    • EaaS: Hosting with Blockscout
    • Contributing to Blockscout
    • Bug Bounty Program
    • Media kit
    • Release Notes
      • v5.3.0: 10/23/23
      • v5.2.0: 6/20/23
      • v5.1.0: 2/13/23
      • v5.0.0: 1/11/23
    • Discord Channel
    • Discussion
    • GitHub Repo
Powered by GitBook
LogoLogo

Privacy and Terms

  • Privacy Notice
  • Terms and Conditions

Copyright © Blockscout Limited 2023-2024

On this page
  • Verify
  • Confirm Verification on BlockScout

Was this helpful?

Export as PDF
  1. Developer Support
  2. Smart Contract Verification
  3. Hardhat Verification Plugin

Sourcify Plugin for Hardhat

Last updated 9 months ago

Was this helpful?

Similar to the this plugin submits the contract source and other info of all deployed contracts to Sourcify.

Verify

Similar to the verification approach described in the you can verify the contract source code in the Sourcify as well by setting the following in the hardhat config file:

// ...
const config: HardhatUserConfig = {
  // ...
  sourcify: {
    enabled: true
  },
  // ...
};

export default config;
npx hardhat verify --network <network> DEPLOYED_CONTRACT_ADDRESS "Constructor argument 1"

Optimism Sepolia example:

> npx hardhat verify --network optimism-sepolia 0xCD562a6426b474390A9E7e554b9B4f9f62Ea38Ba 1234
Successfully submitted source code for contract
contracts/Lock.sol:Lock at 0xCD562a6426b474390A9E7e554b9B4f9f62Ea38Ba
for verification on the block explorer. Waiting for verification result...

Successfully verified contract Lock on the block explorer.
https://optimism-sepolia.blockscout.com/address/0xCD562a6426b474390A9E7e554b9B4f9f62Ea38Ba#code

Successfully verified contract Lock on Sourcify.
https://repo.sourcify.dev/contracts/full_match/11155420/0xCD562a6426b474390A9E7e554b9B4f9f62Ea38Ba/

Confirm Verification on BlockScout

Go to your BlockScout instance and paste the contract address into the search bar.

Scroll down to see verified status. A green checkmark ✅ means the contract is verified.

If your screen size is limited, you may need to click the 3 dots to view and click through to the contract.

Scroll down to see and interact with the contract code.

👩‍💻
hardhat verification plugin,
hardhat verification plugin,