Storing objects created by entry functions offchain

[ajaythxkur]

In entry functions we create objects and entry functions don't return anythting. How is it possible to store object address offchain in db??

[kshitjee]

You can emit an event with the object address.

[ajaythxkur]

aptosClient.getModuleEventsByEventType
is there any way to subscribe to the events to get real time data??

[ajaythxkur]

or is it possible to get a particular event from tx hash??

[kshitjee]

You could probably just use the indexer API or create a custom processor if needed. I don't believe you can query events from txn hash today, but there are multiple ways to extract events as you can see in the hasura playground. You can do it for a particular account address, for instance.

[ajaythxkur]

@kshitjee i can do one more thing.
Get the tx hash, filter out the event and get the data
this will work.
is it correct method??

something like this

const transaction = await aptos.getTransactionByHash({ transactionHash: response.hash });
                if(transaction.type === "user_transaction"){
                    const event = transaction.events.find((event) => event.type === `${ABI_ADDRESS}::main::MyEvent`);
                    if(event){
                        
                    }
                }

i know that the type of txn is user txn and i know this will emit that specific event for my app. so this might work

[kshitjee]

Yeah that LGTM

[ajaythxkur]

Alright thanks @kshitjee