Allow creation of buffers from hex strings with a 0x-prefix
Currently, Buffer.from("0xff", "hex") returns an empty buffer. I think either this should throw an error or it should create a buffer containing 0xff. I implemented the second option.
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Currently, Buffer.from("0xff", "hex") returns an empty buffer. I think either this should throw an error or it should create a buffer containing 0xff. I implemented the second option.