Filfox

The following guide walks you through the process of contract verification using the Filfox explorer.

Prerequisites

• A deployed smart contract on Filecoin

• Your contract's source code (.sol file)

• Remix IDE for flattening contracts

• Contract deployment details (address, compiler version, license)

Step-by-Step Verification Process

Step 1: Prepare Your Contract Source Code

1. Open Remix IDE:

1. Flatten your contract:

   • In the File Explorer sidebar, under contracts, right-click on your contract

   • Select Flatten from the menu

   • This creates a <contract-name>_flattened.sol file with all dependencies included

2. Verify contract details:

   • Ensure the license and Solidity version match your original contract

   • Click Save to save the flattened contract

3. Download the flattened contract:

   • Right-click on <contract-name>_flattened.sol

   • Select Download to save the file locally

4. Gather required information:

   • Contract deployment address

   • Contract license type (if any)

   • Solidity compiler version used for deployment

Step 2: Submit for Verification

1. Access Filfox verification page:

   • Navigate to the Filfox Contract Verification page

2. Fill in contract information:

   • Enter your contract's deployment address

   • Select the appropriate license type

   • Choose the compiler version used for deployment

1. Upload source code:

   • Click Continue to proceed

   • Click Select .sol files

   • Choose your flattened .sol file

   • Click Verify and Publish to submit

Step 3: Verification Complete

Once submitted, Filfox will process your verification request. Upon successful verification, you'll see a success message confirming your contract is now verified.

Viewing Your Verified Contract

1. Navigate to your contract:

   • Enter your contract address in the Filfox search bar

   • This will take you to your contract's page

1. View verification status:

   • Scroll down and select the Contract tab

   • Look for the Contract Source Code Verified banner

   • Your contract's source code and ABI will now be publicly visible

2. Explore verified contracts:

   • Browse other verified contracts on Filfox

   • Learn from verified contract examples in the ecosystem

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