Creating order utils

src/mappings/utils/orderUtils.ts

@@ -0,0 +1,27 @@
+import { Order } from '../../@types/schema'
+
+export function getOrderId(
+  tx: string,
+  tokenAddress: string,
+  fromAddress: string
+): string {
+  return `${tx}-${tokenAddress}-${fromAddress}`
+}
+
+export function createOrder(orderId: string): Order {
+  const order = new Order(orderId)
+  return order
+}
+
+export function getOrder(
+  transactionHash: string,
+  address: string,
+  transactionFrom: string
+): Order {
+  const orderId = getOrderId(transactionHash, address, transactionFrom)
+  let newOrder = Order.load(orderId)
+  if (newOrder === null) {
+    newOrder = createOrder(orderId)
+  }
+  return newOrder
+}