feat: implement get_onramp_quotes endpoint

backend/src/routes/getOnrampQuotes.ts

@@ -0,0 +1,19 @@
+import type { FastifyInstance, FastifyRequest, FastifyReply } from 'fastify'
+import { locked } from '@/db/schema'
+
+import type { Database } from '@/db/drizzle'
+
+export function getOnrampQuotes(fastify: FastifyInstance) {
+  fastify.get('/get-onramp-quotes', async (request, reply) => handleGetOnrampQuotes(fastify.db, request, reply))
+}
+
+async function handleGetOnrampQuotes(db: Database, _request: FastifyRequest, reply: FastifyReply) {
+  try {
+    const onRampQuotes = await db.select({ amount: locked.amount }).from(locked)
+
+    return reply.send({ onRampQuotes })
+  } catch (error) {
+    console.error(error)
+    return reply.status(500).send({ message: 'Internal server error' })
+  }
+}

backend/src/routes/index.ts

@@ -1,7 +1,9 @@
 import type { FastifyInstance } from 'fastify'
 
 import { getHealthRoute } from './getHealth'
+import { getOnrampQuotes } from './getOnrampQuotes'
 
 export function declareRoutes(fastify: FastifyInstance) {
   getHealthRoute(fastify)
+  getOnrampQuotes(fastify)
 }