yvUSD mockup

api/server.ts

@@ -1,6 +1,47 @@
 import { serve } from 'bun'
 
 const ENSO_API_BASE = 'https://api.enso.finance'
+const YVUSD_APR_SERVICE_API = (
+  process.env.YVUSD_APR_SERVICE_API || 'https://yearn-yvusd-apr-service.vercel.app/api/aprs'
+).replace(/\/$/, '')
+
+async function handleYvUsdAprs(req: Request): Promise<Response> {
+  if (req.method !== 'GET') {
+    return Response.json({ error: 'Method not allowed' }, { status: 405 })
+  }
+
+  const requestUrl = new URL(req.url)
+  const upstreamUrl = new URL(YVUSD_APR_SERVICE_API)
+  requestUrl.searchParams.forEach((value, key) => {
+    upstreamUrl.searchParams.set(key, value)
+  })
+
+  try {
+    const response = await fetch(upstreamUrl.toString(), {
+      headers: {
+        Accept: 'application/json'
+      }
+    })
+
+    if (!response.ok) {
+      const details = await response.text()
+      return Response.json(
+        { error: 'yvUSD APR upstream error', status: response.status, details },
+        { status: response.status }
+      )
+    }
+
+    const data = await response.json()
+    return Response.json(data, {
+      headers: {
+        'Cache-Control': 'public, s-maxage=30, stale-while-revalidate=120'
+      }
+    })
+  } catch (error) {
+    console.error('Error proxying yvUSD APR request:', error)
+    return Response.json({ error: 'Internal server error' }, { status: 500 })
+  }
+}
 
 function handleEnsoStatus(): Response {
   const apiKey = process.env.ENSO_API_KEY
@@ -133,6 +174,10 @@ serve({
       return handleEnsoRoute(req)
     }
 
+    if (url.pathname === '/api/yvusd/aprs') {
+      return handleYvUsdAprs(req)
+    }
+
     return new Response('Not found', { status: 404 })
   },
   port: 3001

api/yvusd/aprs.ts

@@ -0,0 +1,42 @@
+import type { VercelRequest, VercelResponse } from '@vercel/node'
+
+const YVUSD_APR_SERVICE_API = (
+  process.env.YVUSD_APR_SERVICE_API || 'https://yearn-yvusd-apr-service.vercel.app/api/aprs'
+).replace(/\/$/, '')
+
+export default async function handler(req: VercelRequest, res: VercelResponse) {
+  if (req.method !== 'GET') {
+    return res.status(405).json({ error: 'Method not allowed' })
+  }
+
+  try {
+    const upstreamUrl = new URL(YVUSD_APR_SERVICE_API)
+    Object.entries(req.query).forEach(([key, value]) => {
+      if (typeof value === 'string') {
+        upstreamUrl.searchParams.set(key, value)
+      }
+    })
+
+    const response = await fetch(upstreamUrl.toString(), {
+      headers: {
+        Accept: 'application/json'
+      }
+    })
+
+    if (!response.ok) {
+      const details = await response.text()
+      return res.status(response.status).json({
+        error: 'yvUSD APR upstream error',
+        status: response.status,
+        details
+      })
+    }
+
+    const data = await response.json()
+    res.setHeader('Cache-Control', 'public, s-maxage=30, stale-while-revalidate=120')
+    return res.status(200).json(data)
+  } catch (error) {
+    console.error('Error proxying yvUSD APR request:', error)
+    return res.status(500).json({ error: 'Internal server error' })
+  }
+}