added circulating page

helper/eth/contracts/utils.ts

@@ -80,11 +80,12 @@ export const getGHSTSupply = async () => {
 
     // totalSupply == circulating Supply
     // need to readd subtracted burned amount
-    const totalSupply = mainnet.totalSupply.add(burned);
+    const totalSupply = mainnet.totalSupply;
+    const circulatingSupply = totalSupply.sub(burned);
 
     return {
         totalSupply: formatEther(totalSupply),
         burned: formatEther(burned),
-        circulatingSupply: formatEther(totalSupply),
+        circulatingSupply: formatEther(circulatingSupply),
     };
 };

pages/api/[symbol]/circulating.ts

@@ -0,0 +1,38 @@
+import type { NextApiRequest, NextApiResponse } from "next";
+import {
+    ALCHEMICA_CONTRACTS,
+    TokenSymbol,
+} from "../../../helper/eth/contracts/constants";
+import {
+    getGHSTSupply,
+    getSupplies,
+} from "../../../helper/eth/contracts/utils";
+
+type Data = {
+    symbol?: TokenSymbol;
+    name?: TokenSymbol;
+    error?: string;
+};
+
+export default async function handler(
+    req: NextApiRequest,
+    res: NextApiResponse<Data>
+) {
+    const { symbol }: Data = req.query;
+    if (typeof symbol != "string") {
+        return res
+            .status(400)
+            .json({ error: "Please provide Token name as string" });
+    }
+
+    const data =
+        symbol == TokenSymbol.GHST
+            ? await getGHSTSupply()
+            : await getSupplies(ALCHEMICA_CONTRACTS[symbol]);
+
+    if (!data) {
+        return res.status(404).json({ error: "token not found" });
+    }
+
+    res.status(200).send(data.circulatingSupply);
+}