Check if the stake key was registered and is delegated, and return the pool ID.
A stake key is considered delegated 3 epochs after the certificate was sent.
Returns
the stake pool ID that is delegated to at the given epoch.
undefined if the stake key was not registered.
Returns the stake pool ID that is delegated to at the given epoch.
If the stake key was not registered, it returns undefined.
Check if the stake key was registered and is delegated, and return the pool ID. A stake key is considered delegated 3 epochs after the certificate was sent.
Returns