block inventories (backend)

src/coders/byte_utils.cpp

@@ -200,3 +200,11 @@ std::string ByteReader::getString() {
 bool ByteReader::hasNext() const {
     return pos < size;
 }
+
+const ubyte* ByteReader::pointer() const {
+    return data + pos;
+}
+
+void ByteReader::skip(size_t n) {
+    pos += n;
+}

src/coders/byte_utils.h

@@ -71,6 +71,9 @@ public:
     const char* getCString();
     std::string getString();
     bool hasNext() const;
+
+    const ubyte* pointer() const;
+    void skip(size_t n);
 };
 
 #endif // CODERS_BYTE_UTILS_H_