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After deploying your contract, verify it on the block explorer to make the source code publicly available and enable users to interact with it.

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Block Explorers

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Testnet (DuKong)

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Mainnet

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Using Hardhat

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Hardhat Verify Plugin

Install the verification plugin: 
npm install --save-dev @nomicfoundation/hardhat-verify
Add to hardhat.config.js: 
require("@nomicfoundation/hardhat-verify");

module.exports = {
  // ... other config
  etherscan: {
    apiKey: {
      mantra_testnet: "your-api-key", // Not always required
    },
    customChains: [
      {
        network: "mantra_testnet",
        chainId: 5887,
        urls: {
          apiURL: "https://explorer.dukong.io/api",
          browserURL: "https://explorer.dukong.io"
        }
      }
    ]
  }
};
Verify your contract: 
npx hardhat verify --network mantra_testnet <CONTRACT_ADDRESS> <CONSTRUCTOR_ARGS>

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Using Foundry

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Forge Verify

forge verify-contract <CONTRACT_ADDRESS> \
  src/MyContract.sol:MyContract \
  --chain-id 5887 \
  --etherscan-api-key <API_KEY> \
  --constructor-args <CONSTRUCTOR_ARGS>

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Manual Verification

  1. Go to the block explorer
  2. Navigate to your contract address
  3. Click “Verify and Publish”
  4. Fill in the verification form:
    • Compiler version
    • Optimization settings
    • Source code
    • Constructor arguments (if any)

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Verification Requirements

  • Contract source code
  • Compiler version used
  • Optimization settings
  • Constructor arguments (if applicable)
  • Contract address

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Next Steps