feat: sequencer processes transactions in phases#4345

Merged

just-mitch merged 3 commits intomasterfrom 4333-sequencer-processes-transactions-in-phases

Feb 1, 2024

+707-388

Commits on Jan 31, 2024

Add abstract phase manager.
Mitchell Tracy
committed
enable the fee prep and distribution phase managers as no-ops
Mitchell Tracy
committed
remove dead code
Mitchell Tracy
committed