Apply value formatting

src/PriceBox.tsx

@@ -4,6 +4,7 @@ import { FontAwesomeIcon } from "@fortawesome/react-fontawesome";
 import { faGasPump } from "@fortawesome/free-solid-svg-icons";
 import AggregatorV3Interface from "@chainlink/contracts/abi/v0.8/AggregatorV3Interface.json";
 import { RuntimeContext } from "./useRuntime";
+import { formatValue } from "./components/formatter";
 
 const ETH_FEED_DECIMALS = 8;
 
@@ -44,29 +45,43 @@ const PriceBox: React.FC = () => {
     readData();
   }, [ethFeed, gasFeed]);
 
+  const [latestPrice, timestamp] = useMemo(() => {
+    if (!latestPriceData) {
+      return [undefined, undefined];
+    }
+
+    const price = latestPriceData.answer.div(10 ** (ETH_FEED_DECIMALS - 2));
+    const formattedPrice = ethers.utils.commify(
+      ethers.utils.formatUnits(price, 2)
+    );
+
+    const timestamp = new Date(latestPriceData.updatedAt * 1000);
+    return [formattedPrice, timestamp];
+  }, [latestPriceData]);
+
+  const latestGasPrice = useMemo(() => {
+    if (!latestGasData) {
+      return undefined;
+    }
+    return formatValue(latestGasData.answer, 9);
+  }, [latestGasData]);
+
   return (
     <>
       {latestPriceData && (
-        <div className="flex rounded-lg px-2 py-1 space-x-2 bg-gray-100 font-sans text-xs text-gray-800">
+        <div
+          className="flex rounded-lg px-2 py-1 space-x-2 bg-gray-100 font-sans text-xs text-gray-800"
+          title={`Updated at: ${timestamp?.toString()}`}
+        >
           <span>
-            Eth: $
-            <span className="font-balance">
-              {ethers.utils.commify(
-                ethers.utils.formatUnits(
-                  latestPriceData.answer,
-                  ETH_FEED_DECIMALS
-                )
-              )}
-            </span>
+            Eth: $<span className="font-balance">{latestPrice}</span>
           </span>
           {latestGasData && (
             <>
               <span>|</span>
               <span className="text-gray-400">
                 <FontAwesomeIcon icon={faGasPump} size="1x" />
-                <span className="ml-1">
-                  {ethers.utils.formatUnits(latestGasData.answer, "gwei")} Gwei
-                </span>
+                <span className="ml-1">{latestGasPrice} Gwei</span>
               </span>
             </>
           )}