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public/subjects/blockchain/read-secret/README.md

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Read a Secret (Optional)

Instructions

Create a web page, read-secret.html that loads an ethereum library, connects to ethereum testnet Sepolia and displays a secret contained in a smart contract.

The smart contract is available at the address 0x467782A5ab90af6baA6f8af0b4E69A7Ddb197fF0 on Sepolia testnet. It contains one function getSecret() that returns a string.

You might use the following interface :

const abi = ['function getSecret() view returns (string)']

⚠️ As the test does not reach the internet:

  • Store in a hardcoded manner the result in an element with storedSecret as id.
  • Detect when internet is not available and skip the connection to the provider.

Notions

Relevance

Reading your first smart contract.