From c5d86d10df06f3a8c7e50b2867a99c9ad2c48531 Mon Sep 17 00:00:00 2001
From: Alex Coseru <alex.coseru@gmail.com>
Date: Tue, 13 Sep 2022 11:30:38 +0300
Subject: [PATCH] nft updates (#530)

* nft updates

* use hasMetadata
---
 schema.graphql                   |  5 ++++-
 src/mappings/nftUpdate.ts        |  3 ++-
 src/mappings/utils/tokenUtils.ts | 13 +++++++++++++
 3 files changed, 19 insertions(+), 2 deletions(-)

diff --git a/schema.graphql b/schema.graphql
index 005e4ba..6a801b5 100644
--- a/schema.graphql
+++ b/schema.graphql
@@ -109,7 +109,10 @@ type Nft @entity{
     block: Int  
 
     "number of orders executed for all underlying datatokens"                                
-    orderCount: BigInt!                                              
+    orderCount: BigInt!  
+
+    "has metadata"
+    hasMetadata: Boolean!                                            
 }
 
 type OrderReuse @entity {
diff --git a/src/mappings/nftUpdate.ts b/src/mappings/nftUpdate.ts
index a6bc279..e02d366 100644
--- a/src/mappings/nftUpdate.ts
+++ b/src/mappings/nftUpdate.ts
@@ -30,6 +30,7 @@ export function handleMetadataCreated(event: MetadataCreated): void {
 
   nft.assetState = event.params.state
   nft.providerUrl = event.params.decryptorUrl.toString()
+  nft.hasMetadata = true
 
   const nftUpdate = new NftUpdate(
     getId(event.transaction.hash.toHex(), nftAddress)
@@ -57,7 +58,7 @@ export function handleMetadataUpdated(event: MetadataUpdated): void {
   if (!nft) return
 
   nft.assetState = event.params.state
-
+  nft.hasMetadata = true
   const nftUpdate = new NftUpdate(
     getId(event.transaction.hash.toHex(), nftAddress)
   )
diff --git a/src/mappings/utils/tokenUtils.ts b/src/mappings/utils/tokenUtils.ts
index b129bd8..98d574b 100644
--- a/src/mappings/utils/tokenUtils.ts
+++ b/src/mappings/utils/tokenUtils.ts
@@ -59,6 +59,7 @@ export function createNftToken(address: Address): Nft {
   token.block = 0
   token.tx = ''
   token.orderCount = BigInt.zero()
+  token.hasMetadata = false
   token.save()
   addNft()
   return token
@@ -80,6 +81,18 @@ export function getNftTokenWithID(tokenId: string): Nft {
     nftToken.name = ''
     nftToken.symbol = ''
     nftToken.address = tokenId
+    nftToken.providerUrl = ''
+    nftToken.tokenUri = ''
+    nftToken.owner = ''
+    nftToken.creator = ''
+    nftToken.assetState = 0
+    nftToken.template = ''
+    nftToken.transferable = true
+    nftToken.createdTimestamp = 0
+    nftToken.block = 0
+    nftToken.tx = ''
+    nftToken.orderCount = BigInt.zero()
+    nftToken.hasMetadata = false
     nftToken.save()
     addNft()
   }