From 71849f783f39d3202d959606736d49cf4b40714d Mon Sep 17 00:00:00 2001
From: Barry Gitarts <bgitarts@gmail.com>
Date: Wed, 17 Mar 2021 11:23:22 -0400
Subject: [PATCH] ensure holderCount is always not null

---
 schema.graphql          | 2 ++
 src/mappings/account.ts | 1 -
 src/mappings/token.ts   | 1 +
 3 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/schema.graphql b/schema.graphql
index 26dd059..af30a16 100644
--- a/schema.graphql
+++ b/schema.graphql
@@ -248,3 +248,5 @@ type PauseEvent implements TokenEvent @entity {
   " Transaction hash "
   transaction: Bytes!
 }
+
+
diff --git a/src/mappings/account.ts b/src/mappings/account.ts
index 0dcb033..e7b6e89 100644
--- a/src/mappings/account.ts
+++ b/src/mappings/account.ts
@@ -30,7 +30,6 @@ function getOrCreateAccountBalance(account: Account, token: Token): AccountBalan
   newBalance.account = account.id
   newBalance.token = token.id
   newBalance.amount = ZERO.toBigDecimal()
-  // increment token count
   token.holderCount = token.holderCount.plus(ONE)
   token.save()
 
diff --git a/src/mappings/token.ts b/src/mappings/token.ts
index 031d328..af90f9e 100644
--- a/src/mappings/token.ts
+++ b/src/mappings/token.ts
@@ -44,6 +44,7 @@ export function handleTransfer(event: Transfer): void {
         token.flags = decodeFlags(0)
 
         token.eventCount = ZERO
+        token.holderCount = ZERO
         token.burnEventCount = ZERO
         token.mintEventCount = ZERO
         token.transferEventCount = ZERO