Configures an Ethereum contract fulfillment transaction with encoded random bytes

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• C·4107345911 · This JavaScript file configures a transaction to an Ethereum contract at a placeholder address. It generates random bytes, encodes them using a standard ABI encoder, and attempts to fulfill a contract method via a public RPC endpoint. The call specifies a gas limit of 9,000,000 and EIP-1559 fee parameters of 25.5 gwei for both maxFee and maxPriorityFee. It includes callbacks to log success or failure messages to the console. The code relies on external helper functions for random generation and ABI encoding, using string literals for configuration values.