Function base64url_encode

libraries/fc/src/crypto/base64.cpp:101–103

}

std::string base64url_encode(unsigned char const* bytes_to_encode, unsigned int in_len) {
   return base64_encode_impl(bytes_to_encode, in_len, base64url_chars);
}

std::string base64url_encode( const std::string& enc ) {
  char const* s = enc.c_str();