fix: refactor info endpoint

Author: stephancill

examples/api/src/app/api/erc-20/balances/route.ts

@@ -5,30 +5,19 @@ import {
   getEthUsdPrice,
   numberWithCommas,
   parseTokenParam,
+  parseInfoRequestParams,
 } from "../lib/utils";
 
 export async function GET(request: NextRequest) {
+  const { blockchain, tokenAddress } = parseInfoRequestParams(request);
   const userAddress = request.nextUrl.searchParams
     .get("walletAddress")
     ?.toLowerCase();
-  const token = request.nextUrl.searchParams.get("token")?.toLowerCase();
-  let tokenAddress = request.nextUrl.searchParams
-    .get("tokenAddress")
-    ?.toLowerCase();
-  let blockchain = request.nextUrl.searchParams
-    .get("blockchain")
-    ?.toLowerCase();
   const buyOptionsUsd = request.nextUrl.searchParams
     .get("buyOptionsUsd")
     .split(",")
     .map((x) => parseFloat(x));
 
-  if (token) {
-    const parsedToken = parseTokenParam(token);
-    tokenAddress = parsedToken.tokenAddress;
-    blockchain = parsedToken.blockchain;
-  }
-
   if (!tokenAddress || !blockchain) {
     return new Response("Missing tokenAddress or blockchain", {
       status: 400,

examples/api/src/app/api/erc-20/buy/route.ts

@@ -1,29 +1,22 @@
 import { NextRequest, NextResponse } from "next/server";
 import { parseEther } from "viem2";
-import { chainByName, getEthUsdPrice, parseTokenParam } from "../lib/utils";
+import {
+  chainByName,
+  getEthUsdPrice,
+  parseInfoRequestParams,
+} from "../lib/utils";
 
 export async function POST(request: NextRequest) {
+  const { blockchain, tokenAddress } = parseInfoRequestParams(request);
+
   // TODO: Expose separate execution/receiver addresses
   const userAddress = request.nextUrl.searchParams
     .get("walletAddress")
     ?.toLowerCase();
-  const token = request.nextUrl.searchParams.get("token")?.toLowerCase();
-  let tokenAddress = request.nextUrl.searchParams
-    .get("tokenAddress")
-    ?.toLowerCase();
-  let blockchain = request.nextUrl.searchParams
-    .get("blockchain")
-    ?.toLowerCase();
   const buyAmountUsd = parseFloat(
     request.nextUrl.searchParams.get("buyAmountUsd")
   );
 
-  if (token) {
-    const parsedToken = parseTokenParam(token);
-    tokenAddress = parsedToken.tokenAddress;
-    blockchain = parsedToken.blockchain;
-  }
-
   if (!tokenAddress || !blockchain) {
     return new Response("Missing tokenAddress or blockchain", {
       status: 400,

examples/api/src/app/api/erc-20/info/holders/route.ts

@@ -0,0 +1,27 @@
+import { NextRequest } from "next/server";
+import {
+  getFollowingHolderInfo,
+  parseInfoRequestParams,
+} from "../../lib/utils";
+
+export async function GET(request: NextRequest) {
+  const { fid, tokenAddress, blockchain } = parseInfoRequestParams(request);
+  const result = await getFollowingHolderInfo({
+    fid,
+    blockchain,
+    tokenAddress,
+  });
+
+  if (!tokenAddress || !blockchain) {
+    return new Response("Missing tokenAddress or blockchain", {
+      status: 400,
+    });
+  }
+
+  return Response.json(result, {
+    headers: new Headers({
+      // Cache for 1 day
+      "Cache-Control": "public, max-age=86400, immutable",
+    }),
+  });
+}

examples/api/src/app/api/erc-20/info/price/route.ts

@@ -0,0 +1,23 @@
+import { NextRequest } from "next/server";
+import { getPriceData, parseInfoRequestParams } from "../../lib/utils";
+
+export async function GET(request: NextRequest) {
+  const { tokenAddress, blockchain } = parseInfoRequestParams(request);
+  const result = await getPriceData({
+    blockchain,
+    tokenAddress,
+  });
+
+  if (!tokenAddress || !blockchain) {
+    return new Response("Missing tokenAddress or blockchain", {
+      status: 400,
+    });
+  }
+
+  return Response.json(result, {
+    headers: new Headers({
+      // Cache for 1 hour
+      "Cache-Control": "public, max-age=3600, immutable",
+    }),
+  });
+}

examples/api/src/app/api/erc-20/info/token/route.ts

@@ -0,0 +1,23 @@
+import { NextRequest } from "next/server";
+import { getTokenInfo, parseInfoRequestParams } from "../../lib/utils";
+
+export async function GET(request: NextRequest) {
+  const { tokenAddress, blockchain } = parseInfoRequestParams(request);
+  const result = await getTokenInfo({
+    blockchain,
+    tokenAddress,
+  });
+
+  if (!tokenAddress || !blockchain) {
+    return new Response("Missing tokenAddress or blockchain", {
+      status: 400,
+    });
+  }
+
+  return Response.json(result, {
+    headers: new Headers({
+      // Cache for 1 month
+      "Cache-Control": "public, max-age=2592000, immutable",
+    }),
+  });
+}

examples/api/src/app/api/erc-20/lib/utils.ts

@@ -1,4 +1,5 @@
 import { FarcasterUser } from "@mod-protocol/core";
+import { NextRequest } from "next/server";
 import { publicActionReverseMirage } from "reverse-mirage";
 import { createPublicClient, http } from "viem2";
 import * as chains from "viem2/chains";
@@ -312,3 +313,26 @@ export async function getEthUsdPrice(): Promise<number> {
 
   return ethPriceUsd;
 }
+
+export function parseInfoRequestParams(request: NextRequest) {
+  const fid = request.nextUrl.searchParams.get("fid");
+  const token = request.nextUrl.searchParams.get("token")?.toLowerCase();
+  let tokenAddress = request.nextUrl.searchParams
+    .get("tokenAddress")
+    ?.toLowerCase();
+  let blockchain = request.nextUrl.searchParams
+    .get("blockchain")
+    ?.toLowerCase();
+
+  if (token) {
+    const parsedToken = parseTokenParam(token);
+    tokenAddress = parsedToken.tokenAddress;
+    blockchain = parsedToken.blockchain;
+  }
+
+  return {
+    fid,
+    tokenAddress,
+    blockchain,
+  };
+}

examples/api/src/app/api/erc-20/route.ts

@@ -321,23 +321,23 @@ const view: ModElement[] = [
             type: "horizontal-layout",
             onload: {
               type: "GET",
-              url: "{{api}}/erc-20?fid={{user.farcaster.fid}}&token={{embed.url}}&function=token",
+              url: "{{api}}/erc-20/info/token?fid={{user.farcaster.fid}}&token={{embed.url}}",
               ref: "tokenReq",
             },
           },
           {
             type: "horizontal-layout",
             onload: {
               type: "GET",
-              url: "{{api}}/erc-20?fid={{user.farcaster.fid}}&token={{embed.url}}&function=holders",
+              url: "{{api}}/erc-20/info/holders?fid={{user.farcaster.fid}}&token={{embed.url}}",
               ref: "holdersReq",
             },
           },
           {
             type: "horizontal-layout",
             onload: {
               type: "GET",
-              url: "{{api}}/erc-20?fid={{user.farcaster.fid}}&token={{embed.url}}&function=price",
+              url: "{{api}}/erc-20/info/price?fid={{user.farcaster.fid}}&token={{embed.url}}",
               ref: "priceReq",
             },
           },