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Chain ID Verification

BeginnerSystemArbSys15 XP

Verify the Chain ID of Arbitrum Sepolia

In this challenge, you'll retrieve the Arbitrum Sepolia chain ID using the ArbSys precompile.

Create a function called getChainId that:

Connects to the ArbSys precompile on Arbitrum Sepolia

Calls the appropriate method to get the chain ID

Returns the chain ID

JavaScript

        // This should return Arbitrum Sepolia's chain ID
        getChainId()

Use the ethers.js library which is already imported for you

The ArbSys precompile is located at: 0x0000000000000000000000000000000000000064

While you could use provider.getChainId(), for this challenge please use the ArbSys precompile method

Complete all the steps above to solve the challenge!

chain-id-verification.ts

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Complete the exercise and submit to check your results.