base64.h

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#pragma once
 
#include "fl/stl/stdint.h"
#include "fl/stl/string.h"
#include "fl/stl/vector.h"
#include "fl/stl/span.h"
#include "fl/stl/noexcept.h"
 
namespace fl {
 
// Base64 encode/decode utilities for binary data transport.
// Used by JSON-RPC to transfer binary blobs as base64 strings.
 
// Encode binary data to a base64 string.
fl::string base64_encode(fl::span<const fl::u8> data) FL_NO_EXCEPT;
 
// Decode a base64 string back to binary data.
// Returns empty vector on invalid input.
fl::vector<fl::u8> base64_decode(const fl::string& encoded) FL_NO_EXCEPT;
 
} // namespace fl