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The randomBytes function is a utility method provided by the web3.utils module that generates a random byte array of a specified size. The function returns a Uint8Array containing random bytes, which can be used for various purposes such as generating random numbers, creating cryptographic keys, or simulating random data.
The function takes a single parameter, size, which specifies the size of the random byte array to be generated. The size parameter must be a positive integer.
The randomBytes function returns a Uint8Array containing size random bytes. The bytes are generated using a cryptographically secure pseudorandom number generator, which ensures that the generated bytes are truly random and unpredictable.
Here's an example of how the randomBytes function can be used:
In this example, the randomBytes function is called with a size of 32, and it returns a Uint8Array containing 32 random bytes. The resulting array is logged to the console, showing the random bytes that were generated.