[database] Create migration

packages/database/package.json

@@ -6,6 +6,9 @@
   "scripts": {
     "generate": "prisma generate",
     "push": "prisma db push --skip-generate",
+    "migrate": "prisma migrate dev --create-only",
+    "migrate:deploy": "prisma migrate deploy",
+    "migrate:reset": "prisma migrate reset",
     "studio": "prisma studio"
   },
   "dependencies": {

packages/database/prisma/migrations/20250919101430_init/migration.sql

@@ -0,0 +1,16 @@
+-- CreateTable
+CREATE TABLE "funding_rates" (
+    "id" SERIAL NOT NULL,
+    "ticker" TEXT NOT NULL,
+    "fundingRate" TEXT NOT NULL,
+    "readingTime" TIMESTAMP(3) NOT NULL,
+    "createdAt" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
+
+    CONSTRAINT "funding_rates_pkey" PRIMARY KEY ("id")
+);
+
+-- CreateIndex
+CREATE INDEX "funding_rates_ticker_idx" ON "funding_rates"("ticker");
+
+-- CreateIndex
+CREATE INDEX "funding_rates_createdAt_idx" ON "funding_rates"("createdAt");

packages/database/prisma/migrations/20250919101650_add_network_enum/migration.sql

@@ -0,0 +1,8 @@
+-- CreateEnum
+CREATE TYPE "Network" AS ENUM ('Testnet', 'Mainnet');
+
+-- AlterTable
+ALTER TABLE "funding_rates" ADD COLUMN "network" "Network" NOT NULL DEFAULT 'Mainnet';
+
+-- CreateIndex
+CREATE INDEX "funding_rates_network_idx" ON "funding_rates"("network");

packages/database/prisma/migrations/migration_lock.toml

@@ -0,0 +1,3 @@
+# Please do not edit this file manually
+# It should be added in your version-control system (e.g., Git)
+provider = "postgresql"

packages/database/prisma/schema.prisma

@@ -7,14 +7,22 @@ datasource db {
   url      = env("DATABASE_URL")
 }
 
+enum Network {
+  Testnet
+  Mainnet
+}
+
 model FundingRates {
   id          Int      @id @default(autoincrement())
+  network     Network  @default(Mainnet)
+
   ticker      String 
   fundingRate String
   readingTime DateTime
   createdAt   DateTime @default(now())
 
   @@index([ticker])
   @@index([createdAt])
+  @@index([network])
   @@map("funding_rates")
 }