lil optimizations

packages/subgraph/src/mappings/resolver.ts

@@ -42,11 +42,14 @@ export function handleRoleRevoked(event: RoleRevoked): void {
     ev.save();
 }
 
+function getIsToken(id: string): boolean {
+    return Token.load(id) != null;
+}
+
 function getOrInitResolverEntry(id: string, target: Address, block: ethereum.Block): ResolverEntry {
     let resolverEntry = ResolverEntry.load(id);
 
     const isListed = target.notEqual(ZERO_ADDRESS);
-    const isToken = Token.load(target.toHex()) != null;
 
     if (resolverEntry == null) {
         resolverEntry = new ResolverEntry(id);
@@ -55,12 +58,12 @@ function getOrInitResolverEntry(id: string, target: Address, block: ethereum.Blo
         resolverEntry.targetAddress = target;
         // on initialization, we are unlikely to set this to zero address
         // if we do, this gets fixed in subsequent set events
-        resolverEntry.isToken = isToken;
+        resolverEntry.isToken = getIsToken(target.toHex());
     }
 
     // we only update this if the target is not equal to the zero address
     if (isListed) {
-        resolverEntry.isToken = isToken;
+        resolverEntry.isToken = getIsToken(target.toHex());
     }
     resolverEntry.updatedAtBlockNumber = block.number;
     resolverEntry.updatedAtTimestamp = block.timestamp;