enable Charts

src/components/default/Header/Header.tsx

@@ -52,12 +52,12 @@ function Header(props: HeaderProps) {
                 >
                     Assets
                 </Link>
-                {/* <Link
+                <Link
                     className={page === "Charts" ? "selected" : undefined}
                     href="/charts"
                 >
                     Charts
-                </Link> */}
+                </Link>
                 <Link
                     className={page === "API" ? "selected" : undefined}
                     href="/zano_api"

src/components/default/InfoTopPanel/InfoTopPanel.tsx

@@ -57,11 +57,7 @@ function InfoTopPanel(props: InfoTopPanelProps) {
 
     async function onBackClick(event: React.MouseEvent<HTMLAnchorElement, MouseEvent>) {
         event.preventDefault();
-        if (document.referrer) {
-            router.back();
-        } else {
-            router.push("/");
-        }
+        router.back();
     }
     return (
         <div 

src/pages/charts/index.tsx

@@ -157,10 +157,15 @@ function Charts() {
                         title="Average Number Of Transactions Per Block"
                         requestTitle="avg-trans-per-block"
                     />
-                    <Chart 
-                        title="Hash Rate" 
-                        requestTitle="hash-rate"
-                    />
+                    <div style={{
+                        pointerEvents: "none",
+                        opacity: 0.4
+                    }}>
+                        <Chart 
+                            title="Hash Rate (inactive)" 
+                            requestTitle="hash-rate"
+                        />
+                    </div>
                     <Chart 
                         title="PoW Difficulty" 
                         requestTitle="difficulty-pow"