[WIP] Block by Block Synchronous Sate Sync

[Olshansk]

Description

Summary generated by Reviewpad on 07 Aug 23 18:22 UTC

This pull request includes changes in multiple files. Here is a summary of the modifications:

• The "consensus_module's state synchronization" file was completely deleted.
• The "bus_module.go" file added a new type and a new method.
• The "state_machine/module.go" file had comments added and a line modified.
• The "state_machine/fsm.go" file had comments added and new states added.
• The "hotstuff.proto" file added a comment related to a circular dependency.
• The "charts/pocket/README.md" file added a new configuration option.
• The "PROTOCOL_STATE_SYNC.md" file had several updates to the content.
• The "hotstuff_leader.go" file had modifications in various functions.
• The "actor.go" file had changes related to the Output Address design.
• The "events.proto" file added two new messages.
• The "consensus_module.go" file had several changes and suggestions in the code.
• The "state_sync_handler.go" file had modifications in two functions.
• The "types.go" file added a new function.
• The "config.validator1.json" file had changes in the "servicer" and "ibc" sections.
• The "charts/pocket/values.yaml" file added a new key-value pair.
• The "p2p/utils_test.go" file had a constant commented as technical debt.
• The "defaults.go" file added a new constant.
• The "events.go" file had updates in comments.
• The "Tiltfile" had changes in the dependencies list.
• The "consensus/state_sync/helpers.go" file had changes in three functions.
• The "event_handler.go" file had a comment removed.
• The "block.proto" file had modifications in the "BlockHeader" message.

Please review these changes and let me know if you need further assistance.

Issue

Fixes #579

Type of change

Please mark the relevant option(s):

• New feature, functionality or library
• Bug fix
• Code health or cleanup
• Major breaking change
• Documentation
• Other

List of changes

What is this PR in its current form?

• Basic synchronous block-by-block state sync
• Not the perfect/cleanest code, but something that's somewhat understandable
• Some code cleanup related to consensus tended to along the way

What is this PR NOT intended to be

• Fully asynchronous background state sync
• State sync independent of FSM
• Any sort of optimization in state sync

Blockers / further improvements needed in this PR

• Tickets to track future work (tech debt, improvements, cleanup, optimizations)
• An E2E test as part of this PR
• A video showing that it works on localnet

Testing

• make develop_test; if any code changes were made
• make test_e2e on k8s LocalNet; if any code changes were made
• e2e-devnet-test passes tests on DevNet; if any code was changed
• Docker Compose LocalNet; if any major functionality was changed or introduced
• k8s LocalNet; if any infrastructure or configuration changes were made

Required Checklist

• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• I have added, or updated, godoc format comments on touched members (see: tip.golang.org/doc/comment)
• I have tested my changes using the available tooling
• I have updated the corresponding CHANGELOG

If Applicable Checklist

• I have updated the corresponding README(s); local and/or global
• I have added tests that prove my fix is effective or that my feature works
• I have added, or updated, mermaid.js diagrams in the corresponding README(s)
• I have added, or updated, documentation and mermaid.js diagrams in shared/docs/* if I updated shared/*README(s)

[red-0ne]

Added few questions, but nothing jumps to my eyes. I have yet to run the tests under debugging mode. Some of them are failing for me, even on a new repo.

# github.com/pokt-network/pocket/consensus/e2e_tests [github.com/pokt-network/pocket/consensus/e2e_tests.test]
consensus/e2e_tests/utils_test.go:136:28: undefined: eventsChannel
consensus/e2e_tests/utils_test.go:137:36: undefined: eventsChannel
consensus/e2e_tests/utils_test.go:138:40: undefined: eventsChannel
consensus/e2e_tests/utils_test.go:139:34: undefined: eventsChannel
consensus/e2e_tests/utils_test.go:140:28: undefined: eventsChannel
consensus/e2e_tests/utils_test.go:738:9: too many return values
        have (nil)
        want ()
consensus/e2e_tests/utils_test.go:747:11: undefined: IdToNodeMapping
consensus/e2e_tests/utils_test.go:761:11: undefined: IdToNodeMapping
FAIL    github.com/pokt-network/pocket/consensus/e2e_tests [build failed]

I need to look into it though.

[Olshansk]

@red-0ne Will look into the broken tests tomorrow.