Refactored code.

src/mappings/erc20Templates.ts

@@ -123,7 +123,7 @@ export function handlerOrderReused(event: OrderReused): void {
     event.transaction.from.toHex(),
     event.logIndex.toI32()
   )
-  log.info('searched order id: {}', [order.id])
+  // log.info('searched order id: {}', [order.id])
 
   if (!order) return
 
@@ -270,43 +270,22 @@ export function handleProviderFee(event: ProviderFee): void {
     event.transaction.from.toHex(),
     event.logIndex.toI32()
   )
-  const orderId = order.id
 
-  if (order) {
-    order.providerFee = providerFee
-    order.providerFeeValidUntil = event.params.validUntil
-    order.save()
-    return
-  }
-  log.info('order id in provider fee handler: {}', [orderId])
-
-  let orderReuse = searchOrderReusedForEvent(
+  const orderReuse = searchOrderReusedForEvent(
     event.transaction.hash.toHex(),
     event.address.toHex(),
     event.logIndex.toI32()
   )
-  log.info('order reuse id in provider fee handler: {}', [orderReuse.id])
-  if (orderReuse) {
+
+  if (order) {
+    log.info('order id in provider fee handler: {}', [order.id])
+    order.providerFee = providerFee
+    order.providerFeeValidUntil = event.params.validUntil
+    order.save()
+  } else if (orderReuse) {
+    log.info('order reuse id in provider fee handler: {}', [orderReuse.id])
     orderReuse.providerFee = providerFee
     orderReuse.providerFeeValidUntil = event.params.validUntil
-    log.info('order reused id: {}', [orderReuse.id])
-    orderReuse.save()
-  } else {
-    orderReuse = new OrderReuse(event.transaction.hash.toHex())
-    log.info('create a new order reuse: {}', [orderReuse.id])
-    orderReuse.providerFee = providerFee
-    orderReuse.providerFeeValidUntil = event.params.validUntil
-    orderReuse.order = orderId
-    orderReuse.createdTimestamp = event.block.timestamp.toI32()
-    orderReuse.tx = event.transaction.hash.toHex()
-    orderReuse.block = event.block.number.toI32()
-    orderReuse.caller = event.transaction.from.toHex()
-    if (event.transaction.gasPrice)
-      orderReuse.gasPrice = event.transaction.gasPrice
-    else orderReuse.gasPrice = BigInt.zero()
-    if (event.receipt !== null && event.receipt!.gasUsed) {
-      orderReuse.gasUsed = event.receipt!.gasUsed.toBigDecimal()
-    } else orderReuse.gasUsed = BigDecimal.zero()
     orderReuse.save()
   }
 }

src/mappings/utils/orderUtils.ts

@@ -39,12 +39,20 @@ export function searchOrderForEvent(
   address: string,
   transactionFrom: string,
   eventIndex: number
-): Order {
+): Order | null {
   for (let i = eventIndex - 1; i >= 0; i--) {
     log.info('i for order started: {}', [i.toString()])
     const orderId = getOrderId(transactionHash, address, transactionFrom, i)
     log.info('trying with this orderId: {}', [orderId])
     const order = Order.load(orderId)
+    log.info('loaded order with this orderId: {}', [orderId])
+    if (order) {
+      log.info('order with this orderId: {}', [order.id])
+      log.info('found order datatoken: {} and event address: {}', [
+        order.datatoken,
+        address
+      ])
+    }
     if (order && order.datatoken == address) {
       log.info('found order datatoken: {} and event address: {}', [
         order.datatoken,
@@ -57,14 +65,14 @@ export function searchOrderForEvent(
     }
   }
   // return an Order just for compilation schema
-  return getOrder(transactionHash, address, transactionFrom, eventIndex)
+  return null
 }
 
 export function searchOrderReusedForEvent(
   transactionHash: string,
   eventAddress: string,
   eventIndex: number
-): OrderReuse {
+): OrderReuse | null {
   for (let i = eventIndex - 1; i >= 0; i--) {
     log.info('i in order reused: {}', [i.toString()])
     const orderReused = OrderReuse.load(`${transactionHash}-${i}`)
@@ -85,5 +93,5 @@ export function searchOrderReusedForEvent(
     }
   }
   // return an OrderReuse just for compilation schema
-  return new OrderReuse(`${transactionHash}-${eventIndex}`)
+  return null
 }