diff --git a/doc_resources/EthOn_overview.graphml b/doc_resources/EthOn_overview.graphml
index 9f8f2c9..fe0062b 100644
--- a/doc_resources/EthOn_overview.graphml
+++ b/doc_resources/EthOn_overview.graphml
@@ -256,7 +256,7 @@ chain<y:LabelModel>
               </y:NodeLabel>
               <y:SVGNodeProperties usingVisualBounds="true"/>
               <y:SVGModel svgBoundsPolicy="0">
-                <y:SVGContent refid="2"/>
+                <y:SVGContent refid="5"/>
               </y:SVGModel>
             </y:SVGNode>
           </data>
@@ -294,7 +294,7 @@ Variant<y:LabelModel>
               </y:NodeLabel>
               <y:SVGNodeProperties usingVisualBounds="true"/>
               <y:SVGModel svgBoundsPolicy="0">
-                <y:SVGContent refid="5"/>
+                <y:SVGContent refid="6"/>
               </y:SVGModel>
             </y:SVGNode>
           </data>
@@ -371,7 +371,7 @@ Node<y:LabelModel>
               <y:Geometry height="18.0" width="18.0" x="112.68018963349255" y="116.37882360071978"/>
               <y:Fill color="#C0C0C0" transparent="false"/>
               <y:BorderStyle hasColor="false" raised="false" type="line" width="1.0"/>
-              <y:NodeLabel alignment="center" autoSizePolicy="content" fontFamily="Dialog" fontSize="12" fontStyle="plain" hasBackgroundColor="false" hasLineColor="false" height="17.96875" horizontalTextPosition="center" iconTextGap="4" modelName="custom" textColor="#000000" verticalTextPosition="bottom" visible="true" width="86.88671875" x="-34.443359375" y="-21.96875">Uncle/Ommer<y:LabelModel>
+              <y:NodeLabel alignment="center" autoSizePolicy="content" fontFamily="Dialog" fontSize="12" fontStyle="plain" hasBackgroundColor="false" hasLineColor="false" height="17.96875" horizontalTextPosition="center" iconTextGap="4" modelName="custom" textColor="#000000" verticalTextPosition="bottom" visible="true" width="37.703125" x="-9.8515625" y="-21.96875">Uncle<y:LabelModel>
                   <y:SmartNodeLabelModel distance="4.0"/>
                 </y:LabelModel>
                 <y:ModelParameter>
@@ -428,7 +428,7 @@ Node<y:LabelModel>
                   <y:Shape type="roundrectangle"/>
                   <y:State closed="false" closedHeight="50.0" closedWidth="50.0" innerGraphDisplayEnabled="false"/>
                   <y:Insets bottom="15" bottomF="15.0" left="15" leftF="15.0" right="15" rightF="15.0" top="15" topF="15.0"/>
-                  <y:BorderInsets bottom="1" bottomF="1.1286183657707625" left="0" leftF="0.0" right="0" rightF="0.0" top="0" topF="0.0"/>
+                  <y:BorderInsets bottom="1" bottomF="1.1286183657707625" left="0" leftF="0.0" right="12" rightF="11.532671545051471" top="6" topF="5.649131774902344"/>
                 </y:GroupNode>
                 <y:GroupNode>
                   <y:Geometry height="50.0" width="50.0" x="0.0" y="60.0"/>
@@ -450,7 +450,7 @@ Node<y:LabelModel>
                   <y:Geometry height="64.63923645019531" width="56.554100036621094" x="-134.12158126520274" y="-244.71876061402588"/>
                   <y:Fill color="#CCCCFF" transparent="false"/>
                   <y:BorderStyle color="#000000" type="line" width="1.0"/>
-                  <y:NodeLabel alignment="center" autoSizePolicy="content" backgroundColor="#FFFFFF" fontFamily="Dialog" fontSize="12" fontStyle="plain" hasLineColor="false" height="17.96875" horizontalTextPosition="center" iconTextGap="4" modelName="custom" textColor="#000000" verticalTextPosition="bottom" visible="true" width="32.857421875" x="11.848339080810547" y="-21.96875">Alice<y:LabelModel>
+                  <y:NodeLabel alignment="center" autoSizePolicy="content" fontFamily="Dialog" fontSize="12" fontStyle="plain" hasBackgroundColor="false" hasLineColor="false" height="17.96875" horizontalTextPosition="center" iconTextGap="4" modelName="custom" textColor="#000000" verticalTextPosition="bottom" visible="true" width="32.857421875" x="11.848339080810547" y="-21.96875">Alice<y:LabelModel>
                       <y:SmartNodeLabelModel distance="4.0"/>
                     </y:LabelModel>
                     <y:ModelParameter>
@@ -459,7 +459,7 @@ Node<y:LabelModel>
                   </y:NodeLabel>
                   <y:SVGNodeProperties usingVisualBounds="true"/>
                   <y:SVGModel svgBoundsPolicy="0">
-                    <y:SVGContent refid="6"/>
+                    <y:SVGContent refid="7"/>
                   </y:SVGModel>
                 </y:SVGNode>
               </data>
@@ -472,7 +472,7 @@ Node<y:LabelModel>
                   <y:BorderStyle color="#000000" type="line" width="1.0"/>
                   <y:NodeLabel alignment="left" autoSizePolicy="content" fontFamily="Dialog" fontSize="12" fontStyle="plain" hasBackgroundColor="false" hasLineColor="false" height="31.9375" horizontalTextPosition="center" iconTextGap="4" modelName="free" modelPosition="anywhere" textColor="#000000" verticalTextPosition="bottom" visible="true" width="37.884765625" x="52.0" y="8.03125">Value
 Tx</y:NodeLabel>
-                  <y:Image alphaImage="true" refid="7"/>
+                  <y:Image alphaImage="true" refid="8"/>
                 </y:ImageNode>
               </data>
             </node>
@@ -484,7 +484,7 @@ Tx</y:NodeLabel>
                   <y:BorderStyle color="#000000" type="line" width="1.0"/>
                   <y:NodeLabel alignment="center" autoSizePolicy="content" fontFamily="Dialog" fontSize="12" fontStyle="plain" hasBackgroundColor="false" hasLineColor="false" height="31.9375" horizontalTextPosition="center" iconTextGap="4" modelName="sandwich" modelPosition="s" textColor="#000000" verticalTextPosition="bottom" visible="true" width="53.998046875" x="-2.9990234375" y="52.0">External
 Account</y:NodeLabel>
-                  <y:Image alphaImage="true" refid="8"/>
+                  <y:Image alphaImage="true" refid="9"/>
                 </y:ImageNode>
               </data>
             </node>
@@ -509,7 +509,7 @@ action<y:LabelModel>
             <node id="n1::n5::n4">
               <data key="d6">
                 <y:ImageNode>
-                  <y:Geometry height="48.0" width="48.0" x="5.526149512098755" y="-236.39914238892823"/>
+                  <y:Geometry height="48.0" width="48.0" x="-6.006522032952731" y="-160.39914238892823"/>
                   <y:Fill color="#CCCCFF" transparent="false"/>
                   <y:BorderStyle color="#000000" type="line" width="1.0"/>
                   <y:NodeLabel alignment="center" autoSizePolicy="content" fontFamily="Dialog" fontSize="12" fontStyle="plain" hasBackgroundColor="false" hasLineColor="false" height="31.9375" horizontalTextPosition="center" iconTextGap="4" modelName="custom" textColor="#000000" verticalTextPosition="bottom" visible="true" width="53.998046875" x="-2.9990234375" y="-35.9375">External
@@ -520,7 +520,7 @@ Account<y:LabelModel>
                       <y:SmartNodeLabelModelParameter labelRatioX="0.0" labelRatioY="0.5" nodeRatioX="0.0" nodeRatioY="-0.5" offsetX="0.0" offsetY="-4.0" upX="0.0" upY="-1.0"/>
                     </y:ModelParameter>
                   </y:NodeLabel>
-                  <y:Image alphaImage="true" refid="8"/>
+                  <y:Image alphaImage="true" refid="9"/>
                 </y:ImageNode>
               </data>
             </node>
@@ -557,7 +557,7 @@ Actor<y:LabelModel>
                   <y:Shape type="roundrectangle"/>
                   <y:State closed="false" closedHeight="50.0" closedWidth="50.0" innerGraphDisplayEnabled="false"/>
                   <y:Insets bottom="15" bottomF="15.0" left="15" leftF="15.0" right="15" rightF="15.0" top="15" topF="15.0"/>
-                  <y:BorderInsets bottom="17" bottomF="16.821944929914537" left="0" leftF="0.0" right="0" rightF="0.0" top="11" topF="11.293742093318826"/>
+                  <y:BorderInsets bottom="17" bottomF="16.821944929914537" left="0" leftF="0.0" right="8" rightF="7.810546875" top="11" topF="11.293742093318826"/>
                 </y:GroupNode>
                 <y:GroupNode>
                   <y:Geometry height="50.0" width="50.0" x="0.0" y="60.0"/>
@@ -587,7 +587,7 @@ Tx<y:LabelModel>
                       <y:SmartNodeLabelModelParameter labelRatioX="-0.5" labelRatioY="0.3639471483069564" nodeRatioX="0.5" nodeRatioY="0.5" offsetX="4.0" offsetY="0.0" upX="0.0" upY="-1.0"/>
                     </y:ModelParameter>
                   </y:NodeLabel>
-                  <y:Image alphaImage="true" refid="7"/>
+                  <y:Image alphaImage="true" refid="8"/>
                 </y:ImageNode>
               </data>
             </node>
@@ -599,7 +599,7 @@ Tx<y:LabelModel>
                   <y:BorderStyle color="#000000" type="line" width="1.0"/>
                   <y:NodeLabel alignment="center" autoSizePolicy="content" fontFamily="Dialog" fontSize="12" fontStyle="plain" hasBackgroundColor="false" hasLineColor="false" height="31.9375" horizontalTextPosition="center" iconTextGap="4" modelName="sandwich" modelPosition="s" textColor="#000000" verticalTextPosition="bottom" visible="true" width="53.998046875" x="-2.9990234375" y="52.0">External
 Account</y:NodeLabel>
-                  <y:Image alphaImage="true" refid="8"/>
+                  <y:Image alphaImage="true" refid="9"/>
                 </y:ImageNode>
               </data>
             </node>
@@ -618,7 +618,7 @@ Account</y:NodeLabel>
                   </y:NodeLabel>
                   <y:SVGNodeProperties usingVisualBounds="true"/>
                   <y:SVGModel svgBoundsPolicy="0">
-                    <y:SVGContent refid="9"/>
+                    <y:SVGContent refid="10"/>
                   </y:SVGModel>
                 </y:SVGNode>
               </data>
@@ -629,15 +629,15 @@ Account</y:NodeLabel>
                   <y:Geometry height="48.0" width="48.0" x="330.94166889533483" y="-113.68230704774248"/>
                   <y:Fill color="#CCCCFF" transparent="false"/>
                   <y:BorderStyle color="#000000" type="line" width="1.0"/>
-                  <y:NodeLabel alignment="right" autoSizePolicy="content" fontFamily="Dialog" fontSize="12" fontStyle="plain" hasBackgroundColor="false" hasLineColor="false" height="31.9375" horizontalTextPosition="center" iconTextGap="4" modelName="custom" textColor="#000000" verticalTextPosition="bottom" visible="true" width="55.62109375" x="4.0" y="-46.36810111307773">Contract
+                  <y:NodeLabel alignment="right" autoSizePolicy="content" fontFamily="Dialog" fontSize="12" fontStyle="plain" hasBackgroundColor="false" hasLineColor="false" height="31.9375" horizontalTextPosition="center" iconTextGap="4" modelName="custom" textColor="#000000" verticalTextPosition="bottom" visible="true" width="55.62109375" x="-3.810546875" y="-35.9375">Contract
 Account<y:LabelModel>
                       <y:SmartNodeLabelModel distance="4.0"/>
                     </y:LabelModel>
                     <y:ModelParameter>
-                      <y:SmartNodeLabelModelParameter labelRatioX="0.29106678839806166" labelRatioY="0.5" nodeRatioX="0.5" nodeRatioY="-0.5" offsetX="0.0" offsetY="-14.430601113077728" upX="0.0" upY="-1.0"/>
+                      <y:SmartNodeLabelModelParameter labelRatioX="0.0" labelRatioY="0.5" nodeRatioX="0.0" nodeRatioY="-0.5" offsetX="0.0" offsetY="-4.0" upX="0.0" upY="-1.0"/>
                     </y:ModelParameter>
                   </y:NodeLabel>
-                  <y:Image alphaImage="true" refid="10"/>
+                  <y:Image alphaImage="true" refid="11"/>
                 </y:ImageNode>
               </data>
             </node>
@@ -699,7 +699,7 @@ Message<y:LabelModel>
                   <y:BorderStyle color="#000000" type="line" width="1.0"/>
                   <y:NodeLabel alignment="center" autoSizePolicy="content" fontFamily="Dialog" fontSize="12" fontStyle="plain" hasBackgroundColor="false" hasLineColor="false" height="31.9375" horizontalTextPosition="center" iconTextGap="4" modelName="sandwich" modelPosition="n" textColor="#000000" verticalTextPosition="bottom" visible="true" width="53.998046875" x="-2.9990234375" y="-35.9375">External
 Account</y:NodeLabel>
-                  <y:Image alphaImage="true" refid="8"/>
+                  <y:Image alphaImage="true" refid="9"/>
                 </y:ImageNode>
               </data>
             </node>
@@ -718,7 +718,7 @@ Account</y:NodeLabel>
                   </y:NodeLabel>
                   <y:SVGNodeProperties usingVisualBounds="true"/>
                   <y:SVGModel svgBoundsPolicy="0">
-                    <y:SVGContent refid="11"/>
+                    <y:SVGContent refid="12"/>
                   </y:SVGModel>
                 </y:SVGNode>
               </data>
@@ -731,7 +731,7 @@ Account</y:NodeLabel>
                   <y:BorderStyle color="#000000" type="line" width="1.0"/>
                   <y:NodeLabel alignment="center" autoSizePolicy="content" fontFamily="Dialog" fontSize="12" fontStyle="plain" hasBackgroundColor="false" hasLineColor="false" height="31.9375" horizontalTextPosition="center" iconTextGap="4" modelName="sandwich" modelPosition="s" textColor="#000000" verticalTextPosition="bottom" visible="true" width="26.400390625" x="10.7998046875" y="52.0">Call
 Tx</y:NodeLabel>
-                  <y:Image alphaImage="true" refid="7"/>
+                  <y:Image alphaImage="true" refid="8"/>
                 </y:ImageNode>
               </data>
             </node>
@@ -743,7 +743,7 @@ Tx</y:NodeLabel>
                   <y:BorderStyle color="#000000" type="line" width="1.0"/>
                   <y:NodeLabel alignment="center" autoSizePolicy="content" fontFamily="Dialog" fontSize="12" fontStyle="plain" hasBackgroundColor="false" hasLineColor="false" height="31.9375" horizontalTextPosition="center" iconTextGap="4" modelName="sandwich" modelPosition="s" textColor="#000000" verticalTextPosition="bottom" visible="true" width="55.62109375" x="-3.810546875" y="52.0">Contract
 Account</y:NodeLabel>
-                  <y:Image alphaImage="true" refid="10"/>
+                  <y:Image alphaImage="true" refid="11"/>
                 </y:ImageNode>
               </data>
             </node>
@@ -762,7 +762,7 @@ Msg<y:LabelModel>
                       <y:SmartNodeLabelModelParameter labelRatioX="-0.18987534491572444" labelRatioY="0.18075210732066294" nodeRatioX="0.5" nodeRatioY="-0.5" offsetX="0.0" offsetY="0.0" upX="0.0" upY="-1.0"/>
                     </y:ModelParameter>
                   </y:NodeLabel>
-                  <y:Image alphaImage="true" refid="12"/>
+                  <y:Image alphaImage="true" refid="13"/>
                 </y:ImageNode>
               </data>
             </node>
@@ -774,7 +774,7 @@ Msg<y:LabelModel>
                   <y:BorderStyle color="#000000" type="line" width="1.0"/>
                   <y:NodeLabel alignment="center" autoSizePolicy="content" fontFamily="Dialog" fontSize="12" fontStyle="plain" hasBackgroundColor="false" hasLineColor="false" height="31.9375" horizontalTextPosition="center" iconTextGap="4" modelName="sandwich" modelPosition="s" textColor="#000000" verticalTextPosition="bottom" visible="true" width="53.998046875" x="-2.9990234375" y="52.0">External
 Account</y:NodeLabel>
-                  <y:Image alphaImage="true" refid="13"/>
+                  <y:Image alphaImage="true" refid="14"/>
                 </y:ImageNode>
               </data>
             </node>
@@ -787,7 +787,7 @@ Account</y:NodeLabel>
                   <y:NodeLabel alignment="center" autoSizePolicy="content" fontFamily="Dialog" fontSize="12" fontStyle="plain" hasBackgroundColor="false" hasLineColor="false" height="45.90625" horizontalTextPosition="center" iconTextGap="4" modelName="sandwich" modelPosition="s" textColor="#000000" verticalTextPosition="bottom" visible="true" width="55.62109375" x="-3.810546875" y="52.0">Value
 Contract
 Msg</y:NodeLabel>
-                  <y:Image alphaImage="true" refid="12"/>
+                  <y:Image alphaImage="true" refid="13"/>
                 </y:ImageNode>
               </data>
             </node>
@@ -859,7 +859,7 @@ State<y:LabelModel>
                   <y:BorderStyle color="#000000" type="line" width="1.0"/>
                   <y:NodeLabel alignment="center" autoSizePolicy="content" fontFamily="Dialog" fontSize="12" fontStyle="plain" hasBackgroundColor="false" hasLineColor="false" height="31.9375" horizontalTextPosition="center" iconTextGap="4" modelName="free" modelPosition="anywhere" textColor="#000000" verticalTextPosition="bottom" visible="true" width="37.884765625" x="5.0576171875" y="52.0">Value
 Tx</y:NodeLabel>
-                  <y:Image alphaImage="true" refid="7"/>
+                  <y:Image alphaImage="true" refid="8"/>
                 </y:ImageNode>
               </data>
             </node>
@@ -924,7 +924,7 @@ State<y:LabelModel>
                   <y:Fill color="#CCCCFF" transparent="false"/>
                   <y:BorderStyle color="#000000" type="line" width="1.0"/>
                   <y:NodeLabel alignment="center" autoSizePolicy="content" fontFamily="Dialog" fontSize="12" fontStyle="plain" hasBackgroundColor="false" hasLineColor="false" hasText="false" height="4.0" horizontalTextPosition="center" iconTextGap="4" modelName="sandwich" modelPosition="s" textColor="#000000" verticalTextPosition="bottom" visible="true" width="4.0" x="22.0" y="52.0"/>
-                  <y:Image alphaImage="true" refid="14"/>
+                  <y:Image alphaImage="true" refid="15"/>
                 </y:ImageNode>
               </data>
             </node>
@@ -935,7 +935,7 @@ State<y:LabelModel>
                   <y:Fill color="#CCCCFF" transparent="false"/>
                   <y:BorderStyle color="#000000" type="line" width="1.0"/>
                   <y:NodeLabel alignment="center" autoSizePolicy="content" fontFamily="Dialog" fontSize="12" fontStyle="plain" hasBackgroundColor="false" hasLineColor="false" hasText="false" height="4.0" horizontalTextPosition="center" iconTextGap="4" modelName="sandwich" modelPosition="s" textColor="#000000" verticalTextPosition="bottom" visible="true" width="4.0" x="22.0" y="52.0"/>
-                  <y:Image alphaImage="true" refid="14"/>
+                  <y:Image alphaImage="true" refid="15"/>
                 </y:ImageNode>
               </data>
             </node>
@@ -946,7 +946,7 @@ State<y:LabelModel>
                   <y:Fill color="#CCCCFF" transparent="false"/>
                   <y:BorderStyle color="#000000" type="line" width="1.0"/>
                   <y:NodeLabel alignment="center" autoSizePolicy="content" fontFamily="Dialog" fontSize="12" fontStyle="plain" hasBackgroundColor="false" hasLineColor="false" hasText="false" height="4.0" horizontalTextPosition="center" iconTextGap="4" modelName="sandwich" modelPosition="s" textColor="#000000" verticalTextPosition="bottom" visible="true" width="4.0" x="22.0" y="52.0"/>
-                  <y:Image alphaImage="true" refid="14"/>
+                  <y:Image alphaImage="true" refid="15"/>
                 </y:ImageNode>
               </data>
             </node>
@@ -1030,7 +1030,7 @@ State<y:LabelModel>
                   <y:BorderStyle color="#000000" type="line" width="1.0"/>
                   <y:NodeLabel alignment="center" autoSizePolicy="content" fontFamily="Dialog" fontSize="12" fontStyle="plain" hasBackgroundColor="false" hasLineColor="false" height="31.9375" horizontalTextPosition="center" iconTextGap="4" modelName="free" modelPosition="anywhere" textColor="#000000" verticalTextPosition="bottom" visible="true" width="26.400390625" x="10.7998046875" y="52.0">Call
 Tx</y:NodeLabel>
-                  <y:Image alphaImage="true" refid="7"/>
+                  <y:Image alphaImage="true" refid="8"/>
                 </y:ImageNode>
               </data>
             </node>
@@ -1041,7 +1041,7 @@ Tx</y:NodeLabel>
                   <y:Fill color="#CCCCFF" transparent="false"/>
                   <y:BorderStyle color="#000000" type="line" width="1.0"/>
                   <y:NodeLabel alignment="center" autoSizePolicy="content" fontFamily="Dialog" fontSize="12" fontStyle="plain" hasBackgroundColor="false" hasLineColor="false" hasText="false" height="4.0" horizontalTextPosition="center" iconTextGap="4" modelName="sandwich" modelPosition="s" textColor="#000000" verticalTextPosition="bottom" visible="true" width="4.0" x="22.0" y="52.0"/>
-                  <y:Image alphaImage="true" refid="14"/>
+                  <y:Image alphaImage="true" refid="15"/>
                 </y:ImageNode>
               </data>
             </node>
@@ -1469,7 +1469,7 @@ Tx</y:NodeLabel>
           <y:Path sx="0.0" sy="0.0" tx="0.0" ty="0.0"/>
           <y:LineStyle color="#000000" type="line" width="1.0"/>
           <y:Arrows source="none" target="delta"/>
-          <y:EdgeLabel alignment="center" anchorX="37.07181727737525" anchorY="15.462714911954151" backgroundColor="#FFFFFF" configuration="AutoFlippingLabel" distance="2.0" fontFamily="Dialog" fontSize="12" fontStyle="plain" hasLineColor="false" height="17.96875" horizontalTextPosition="center" iconTextGap="4" modelName="custom" preferredPlacement="left" ratio="0.5" textColor="#000000" upX="-0.12481039778013309" upY="-0.9921806108798765" verticalTextPosition="bottom" visible="true" width="100.7734375" x="34.829130442263484" y="-14.943103259840012">knowsOfOmmer<y:LabelModel>
+          <y:EdgeLabel alignment="center" anchorX="42.74585014584454" anchorY="14.748955449649003" backgroundColor="#FFFFFF" configuration="AutoFlippingLabel" distance="2.0" fontFamily="Dialog" fontSize="12" fontStyle="plain" hasLineColor="false" height="17.96875" horizontalTextPosition="center" iconTextGap="4" modelName="custom" preferredPlacement="left" ratio="0.5" textColor="#000000" upX="-0.12481039778013309" upY="-0.9921806108798765" verticalTextPosition="bottom" visible="true" width="89.3359375" x="40.50316331073277" y="-14.229343797534888">knowsOfUncle<y:LabelModel>
               <y:RotatedDiscreteEdgeLabelModel angle="0.0" autoRotationEnabled="true" candidateMask="63" distance="2.0" positionRelativeToSegment="false"/>
             </y:LabelModel>
             <y:ModelParameter>
@@ -1589,25 +1589,7 @@ Tx</y:NodeLabel>
         </y:PolyLineEdge>
       </data>
     </edge>
-    <edge id="n1::n5::e2" source="n1::n5::n0" target="n1::n5::n4">
-      <data key="d10">
-        <y:PolyLineEdge>
-          <y:Path sx="0.0" sy="0.0" tx="0.0" ty="0.0"/>
-          <y:LineStyle color="#000000" type="line" width="1.0"/>
-          <y:Arrows source="none" target="delta"/>
-          <y:EdgeLabel alignment="center" backgroundColor="#FFFFFF" configuration="AutoFlippingLabel" distance="2.0" fontFamily="Dialog" fontSize="12" fontStyle="plain" hasLineColor="false" height="17.96875" horizontalTextPosition="center" iconTextGap="4" modelName="custom" preferredPlacement="left" ratio="0.5" textColor="#000000" verticalTextPosition="bottom" visible="true" width="52.111328125" x="25.425737645176525" y="-19.96875298463135">controls<y:LabelModel>
-              <y:RotatedDiscreteEdgeLabelModel angle="0.0" autoRotationEnabled="true" candidateMask="63" distance="2.0" positionRelativeToSegment="false"/>
-            </y:LabelModel>
-            <y:ModelParameter>
-              <y:RotatedDiscreteEdgeLabelModelParameter position="head"/>
-            </y:ModelParameter>
-            <y:PreferredPlacementDescriptor angle="0.0" angleOffsetOnRightSide="0" angleReference="relative_to_edge_flow" angleRotationOnRightSide="co" distance="-1.0" placement="anywhere" side="left" sideReference="relative_to_edge_flow"/>
-          </y:EdgeLabel>
-          <y:BendStyle smoothed="false"/>
-        </y:PolyLineEdge>
-      </data>
-    </edge>
-    <edge id="n1::n5::e3" source="n1::n5::n0" target="n1::n5::n5">
+    <edge id="n1::n5::e2" source="n1::n5::n0" target="n1::n5::n5">
       <data key="d10">
         <y:PolyLineEdge>
           <y:Path sx="0.0" sy="0.0" tx="0.0" ty="0.0"/>
@@ -1625,7 +1607,7 @@ Tx</y:NodeLabel>
         </y:PolyLineEdge>
       </data>
     </edge>
-    <edge id="n1::n5::e4" source="n1::n5::n1" target="n1::n5::n2">
+    <edge id="n1::n5::e3" source="n1::n5::n1" target="n1::n5::n2">
       <data key="d10">
         <y:PolyLineEdge>
           <y:Path sx="0.0" sy="0.0" tx="0.0" ty="0.0"/>
@@ -1643,13 +1625,13 @@ Tx</y:NodeLabel>
         </y:PolyLineEdge>
       </data>
     </edge>
-    <edge id="n1::n5::e5" source="n1::n5::n1" target="n1::n5::n4">
+    <edge id="n1::n5::e4" source="n1::n5::n1" target="n1::n5::n4">
       <data key="d10">
         <y:PolyLineEdge>
           <y:Path sx="0.0" sy="0.0" tx="0.0" ty="0.0"/>
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@@ -5518,7 +5518,7 @@ Account<y:LabelModel>
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           <y:Arrows source="none" target="white_delta"/>
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           <y:Arrows source="none" target="white_delta"/>
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diff --git a/doc_resources/img/EthOn_overview.png b/doc_resources/img/EthOn_overview.png
index 79491a4..c35022f 100644
Binary files a/doc_resources/img/EthOn_overview.png and b/doc_resources/img/EthOn_overview.png differ
diff --git a/doc_resources/img/block_modeling_scheme.png b/doc_resources/img/block_modeling_scheme.png
index 388d6be..d548332 100644
Binary files a/doc_resources/img/block_modeling_scheme.png and b/doc_resources/img/block_modeling_scheme.png differ