[Dashboard] Display eip7702 support status (#8060)

Co-authored-by: Cursor Agent <cursoragent@cursor.com>

Author: joaquim-verges

apps/dashboard/src/app/(app)/(dashboard)/(chain)/[chain_id]/(chainPage)/components/client/live-stats.tsx

@@ -43,9 +43,7 @@ function useChainStatswithRPC(_rpcUrl: string) {
       const latency = (performance.now() - startTimeStamp).toFixed(0);
 
       const blockNumber = Number.parseInt(json.result.number, 16);
-      const blockGasLimit = Number.parseInt(json.result.gasLimit, 16);
       return {
-        blockGasLimit,
         blockNumber,
         latency,
       };
@@ -61,8 +59,70 @@ function useChainStatswithRPC(_rpcUrl: string) {
   });
 }
 
+function useEIP7702Support(_rpcUrl: string) {
+  let rpcUrl = _rpcUrl.replace(
+    // eslint-disable-next-line no-template-curly-in-string
+    // biome-ignore lint/suspicious/noTemplateCurlyInString: this is expected in this case
+    "${THIRDWEB_API_KEY}",
+    NEXT_PUBLIC_DASHBOARD_CLIENT_ID,
+  );
+
+  // based on the environment hit dev or production
+  if (hostnameEndsWith(rpcUrl, "rpc.thirdweb.com")) {
+    if (!isProd) {
+      rpcUrl = rpcUrl.replace("rpc.thirdweb.com", "rpc.thirdweb-dev.com");
+    }
+  }
+
+  return useQuery({
+    enabled: !!rpcUrl,
+    queryFn: async () => {
+      try {
+        const res = await fetch(rpcUrl, {
+          body: JSON.stringify({
+            id: 1,
+            jsonrpc: "2.0",
+            method: "eth_estimateGas",
+            params: [
+              {
+                from: "0xdeadbeef00000000000000000000000000000000",
+                to: "0xdeadbeef00000000000000000000000000000000",
+                data: "0x0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                value: "0x0",
+              },
+              "latest",
+              {
+                "0xdeadbeef00000000000000000000000000000000": {
+                  code: "0xef01000000000000000000000000000000000000000001",
+                },
+              },
+            ],
+          }),
+          method: "POST",
+        });
+
+        const json = await res.json();
+
+        // If the response has a valid result object, EIP-7702 is enabled
+        return {
+          isSupported: !!json.result,
+        };
+      } catch {
+        // If the request fails or errors, EIP-7702 is not supported
+        return {
+          isSupported: false,
+        };
+      }
+    },
+    queryKey: ["eip-7702-support", { rpcUrl }],
+    refetchInterval: false, // Don't refetch this as it's unlikely to change
+    refetchOnWindowFocus: false,
+  });
+}
+
 export function ChainLiveStats(props: { rpc: string }) {
   const stats = useChainStatswithRPC(props.rpc);
+  const eip7702Support = useEIP7702Support(props.rpc);
 
   return (
     <>
@@ -107,8 +167,8 @@ export function ChainLiveStats(props: { rpc: string }) {
         )}
       </PrimaryInfoItem>
 
-      {/* Block Height */}
-      <PrimaryInfoItem title="Block Height" titleIcon={<PulseDot />}>
+      {/* Latest Block */}
+      <PrimaryInfoItem title="Latest Block" titleIcon={<PulseDot />}>
         {stats.isError ? (
           <p className="fade-in-0 animate-in text-destructive-text">N/A</p>
         ) : stats.data ? (
@@ -120,16 +180,37 @@ export function ChainLiveStats(props: { rpc: string }) {
         )}
       </PrimaryInfoItem>
 
-      {/* Block Gas Limit */}
-      <PrimaryInfoItem title="Block Gas Limit" titleIcon={<PulseDot />}>
-        {stats.isError ? (
-          <p className="fade-in-0 animate-in text-destructive-text">N/A</p>
-        ) : stats.data ? (
-          <p className="fade-in-0 animate-in">
-            {stats.data.blockGasLimit ?? "N/A"}
-          </p>
+      {/* EIP-7702 */}
+      <PrimaryInfoItem
+        title="EIP-7702"
+        titleIcon={
+          eip7702Support.data ? (
+            eip7702Support.data.isSupported ? (
+              <ToolTipLabel label="Enabled">
+                <CircleCheckIcon className="size-4 text-success-text" />
+              </ToolTipLabel>
+            ) : (
+              <ToolTipLabel label="Disabled">
+                <XIcon className="size-4 text-destructive-text" />
+              </ToolTipLabel>
+            )
+          ) : eip7702Support.isError ? (
+            <ToolTipLabel label="Disabled">
+              <XIcon className="size-4 text-destructive-text" />
+            </ToolTipLabel>
+          ) : null
+        }
+      >
+        {eip7702Support.data ? (
+          eip7702Support.data.isSupported ? (
+            "Enabled"
+          ) : (
+            "Disabled"
+          )
+        ) : eip7702Support.isError ? (
+          "Disabled"
         ) : (
-          <div className="flex h-[28px] w-[140px] py-1">
+          <div className="flex h-[28px] w-[80px] py-1">
             <Skeleton className="h-full w-full" />
           </div>
         )}