… txs nor parent txs of the new transaction

…rphaned transactions (wip)

…s while revalidating high priority transactions

…r rejected

…event reentrance in mempool, broadcasting to and asking from peers

…`remove_transaction`

…into mempool-perf

Maintain mempool ready transactions in a dedicated set

…t-prealloc feature

…t-prealloc feature

…into mempool-perf

…elect_transactions` upon selector reuse

…some tests are broken; selector is not used correctly by builder)

Make transaction selector iterative and reduce consensus<->mempool sync gap

…orphan case (accepted txs will usually be orphan)

…apsulation logic since collections can be completely modified externally; while in tx pools it is important to make sure various internal collections are maintained consistently (for instance the `ready_transactions` field on `TransactionsPool` needs careful maintenance)

…ns in the case `remove_redeemers=false`. This is already done via `remove_transaction_from_sets` -> `transaction_pool.remove_transaction`. + a few minor changes

…s happens as part of:

`remove_from_transaction_pool_and_update_orphans` -> `orphan_pool.update_orphans_after_transaction_removed` -> `orphan_pool.remove_redeemers_of`

… score after collection (bug fix)