Validations::getNodesAfter

Count the number of current trusted validators working on a ledger after the specified one.

std::size_t
getNodesAfter(
    Ledger const& ledger,
    ID const& ledgerID);

Name	Description
`ledger`	The working ledger
`ledgerID`	The preferred ledger

The number of current trusted validators working on a descendent of the preferred ledger

If ledger.id() != ledgerID, only counts immediate child ledgers of ledgerID