add nice pictures to presentation slides

SemSEpresentation/slides.tex

@@ -27,6 +27,8 @@
 \usepackage{booktabs}
 \usepackage{url}
 \usepackage{xcolor}
+\usepackage{graphicx}
+\graphicspath{ {./} }
 
 \definecolor{codegreen}{rgb}{0,0.6,0}
 \definecolor{codegray}{rgb}{0.5,0.5,0.5}
@@ -110,6 +112,22 @@
   Examples follow, use in production at your own risk ;)
 \end{frame}
 
+\begin{frame}[fragile]
+	\frametitle{Why this works}
+	A dynamic array in storage slot $p$ stores its data at continuous addresses starting at $keccak(p)$. 
+	
+	For example, if the variable $x$ is a dynamic array occupying storage slot 3, $x[o]$ can be found at $keccak(0x3)+o$.
+	
+	An attacker can use this information to overwrite any storage slot by finding an appropriate offset value.
+\end{frame}
+
+\begin{frame}[fragile]
+	\frametitle{Why this works}
+	
+	\includegraphics[width=\textwidth]{storage}
+	
+\end{frame}
+
 \subsection[Examples]{Examples}
 \begin{frame}[fragile]
   \frametitle{Unchecked Array Write}
@@ -194,14 +212,7 @@ contract MyContract {
 	\end{lstlisting}
 \end{frame}
 
-\begin{frame}[fragile]
-	\frametitle{Why this works}
-	A dynamic array in storage slot $p$ stores its data at continuous addresses starting at $keccak(p)$. 
 
-	For example, if the variable $x$ is a dynamic array occupying storage slot 3, $x[o]$ can be found at $keccak(0x3)+o$.
-	
-	An attacker can use this information to overwrite any storage slot by finding an appropriate offset value.
-\end{frame}
 
 \section{Detecting and Exploiting}
 \subsection[Detecting SWC-124]{Detecting SWC-124}
@@ -234,6 +245,13 @@ contract MyContract {
   \end{itemize}
 \end{frame}
 
+\begin{frame}[fragile]
+	\texttt{\$ slither Bethorde.sol --print variable-order}
+
+	\includegraphics[width=\textwidth]{slither}
+
+\end{frame}
+
 \subsection[Exploiting SWC-124]{Exploiting SWC-124}
 
 % TODO: Exploitation is trivial, should we just go back and explain or should we go into memory layout? Can we handle it in time?