updating the datatoken cap in the pool

schema.graphql

@@ -145,7 +145,7 @@ type Pool @entity {
     "publisher market fee value"
     publishMarketSwapFee: BigDecimal! 
     "publisher market fee total amount"             
-    publishMarketSwapFeeAmount: BigDecimal   
+    publishMarketSwapFeeAmount: BigDecimal!   
 
     "Liquidty provider fee value"             
     liquidityProviderSwapFee: BigDecimal   

src/mappings/pool.ts

@@ -239,6 +239,7 @@ export function handleSetup(event: LOG_SETUP): void {
   pool.block = event.block.number.toI32()
   pool.symbol = datatoken.symbol
   pool.name = datatoken.name
+  pool.cap = datatoken.cap
   pool.save()
   poolTx.save()