Push notification account

A special account that holds the right to sign layer one txn to add/ remove push notification storage.

Who has the private key?

The state machine A CML owns the private key. Stored in the state machine memory.

Where is the balance to handle the signing txn?

this is the system level service. We will give 0.01T for this account at genesis. Once it sign a tx, the layer one generate the same amount back to this account to make sure this account always own enough balance to sign next txn.

Who can access the private key?

We do not allow B CML to query this key.

Once a stored procedure actor running on A state machine can use the key to sign push notification. This actor will enforce the payment of push notification.