Lunie: Add claimed rewards event

[faboweb]

To make it transparent in Polkadot that you received your rewards we want to show the user the events when this happened.

How?

• Listen to claiming extrinsics
• When a claim is detected, get all rewards for all the users and create a notification for each user summing up the rewards they get

• use the db rewards to increase the performance of the query
  ~- but we need to query the unclaimed rewards per user~ you can't claim an era twice

[Bitcoinera]

Rewards notifications, such a killer feature!

[Bitcoinera]

Listen to claiming extrinsics

To listen for these, shouldn't we be listening for every kind of extrinsic to be able to tell?

[faboweb]

We are already listening to all extrinsics I think. We just need to react to the claim extrinsics.

[Bitcoinera]

We are already listening to all extrinsics I think. We just need to react to the claim extrinsics.

I don't find this bit in the code :eyes: Unless eventSubscription is doing more than it seems at first sight? Is it also reacting like userTransactionAdded?

[faboweb]

Check polkadot-node-subscription > newBlockHandler (line 198)

[Bitcoinera]

Check polkadot-node-subscription > newBlockHandler (line 198)

Oh, I see! Amazing, I can do this !!!

[faboweb]

We could standardize events per block on a key: value basis and then analyze those respective the protocol