feat(statedb): add active-state rebase pipeline#3971
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Pull request overview
This PR introduces an “active-state rebase” pipeline for Rooch statedb operations, adding operator-facing CLI commands to export a recursive logical object tree and rebuild a slimmed database, along with several mainnet ops/design rollout documents to guide the reset + rebase sequence.
Changes:
- Added
statedb rebase-exportandstatedb rebase-buildcommands (with a roundtrip unit test) to export recursive object records and rebuild state + indexer. - Added a consolidated set of dev-guide documents covering snapshot limitations, state slimming scope, rebase redesign, and GCP cost reduction.
- Wired the new rebase commands into the
statedbcommand module.
Reviewed changes
Copilot reviewed 11 out of 11 changed files in this pull request and generated 6 comments.
Show a summary per file
| File | Description |
|---|---|
| docs/dev-guide/mainnet_state_slimming_master_plan_20260316.md | Consolidated execution plan tying together snapshot, slimming, rebase, and cost goals. |
| docs/dev-guide/mainnet_snapshot_resume_plan.md | Snapshot resume runbook (draft) for operational continuity. |
| docs/dev-guide/mainnet_snapshot_refactor_handoff_20260312.md | Handoff note describing snapshot bottlenecks and refactor starting points. |
| docs/dev-guide/mainnet_snapshot_ops_log_20260227.md | Ops log documenting the snapshot migration steps and disk decommission. |
| docs/dev-guide/mainnet_header_only_state_slimming_plan_20260312.md | Defines the header-only “slim node” scope and what state domains can be dropped. |
| docs/dev-guide/mainnet_active_state_rebase_redesign_20260313.md | Redesign notes on why export/import must be recursive + metadata/boot constraints. |
| docs/dev-guide/mainnet_active_state_rebase_plan_20260313.md | Original rebase plan describing the high-level approach and tradeoffs. |
| docs/dev-guide/gcp_cost_reduction_plan_20260316.md | Cost analysis and execution plan targeting major storage-driven reductions. |
| crates/rooch/src/commands/statedb/mod.rs | Registers new RebaseExport/RebaseBuild subcommands for the CLI. |
| crates/rooch/src/commands/statedb/commands/rebase.rs | Implements recursive export, rebuild flow, checkpointing, and indexer rebuild + test. |
| crates/rooch/src/commands/statedb/commands/mod.rs | Exposes the new rebase command module. |
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| let end = H256::from_slice(&[0xFFu8; 32]); | ||
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| node_store.delete_range_nodes(start, end, true)?; | ||
| node_store.delete_nodes_with_flush(vec![end], true)?; |
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| let rebuilt_indexer_tx_order = std::cmp::max(1, manifest.cutover_tx_order); | ||
| let rebuilt_indexer_objects = rebuild_indexer_from_state( | ||
| &rooch_db.moveos_store, | ||
| &rooch_db.indexer_store, | ||
| ObjectMeta::root_metadata(rebuilt_root, rebuilt_global_size), | ||
| rebuilt_indexer_tx_order, | ||
| self.indexer_batch_size, |
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| let object_id = object_state.metadata.id.clone(); | ||
| let mut cursor = None; | ||
| let mut fields = Vec::new(); | ||
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||
| loop { | ||
| let page = resolver.list_fields(&object_id, cursor, page_size)?; | ||
| if page.is_empty() { | ||
| break; | ||
| } | ||
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| for (field_key, mut child_state) in page.iter().cloned() { | ||
| if child_state.metadata.has_fields() { | ||
| let child_has_fields = export_object_record_recursive( | ||
| resolver, | ||
| &child_state, | ||
| page_size, | ||
| writer, | ||
| stats, | ||
| )?; | ||
| if !child_has_fields { | ||
| child_state.metadata.size = 0; | ||
| child_state.metadata.state_root = None; | ||
| } | ||
| } | ||
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| fields.push(RebaseFieldRecord { | ||
| field_key: field_key.to_string(), | ||
| object_state: child_state.to_string(), | ||
| }); | ||
| } | ||
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| cursor = page.last().map(|(field_key, _)| *field_key); | ||
| if page.len() < page_size { | ||
| break; | ||
| } | ||
| } | ||
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| if fields.is_empty() { | ||
| return Ok(false); | ||
| } | ||
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| let record = RebaseObjectRecord { | ||
| object_id: object_id.to_string(), | ||
| fields, | ||
| }; | ||
| serde_json::to_writer(&mut *writer, &record)?; | ||
| writer.write_all(b"\n")?; | ||
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| stats.object_records += 1; | ||
| stats.field_entries += record.fields.len() as u64; | ||
| Ok(true) |
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| (Some(store_dir), None, chain_id) => { | ||
| let (root, moveos_store, rooch_store) = | ||
| open_stores_from_store_dir(&store_dir, readonly)?; | ||
| let chain_id = chain_id.unwrap_or_else(|| BuiltinChainID::Local.into()); | ||
| Ok((root, moveos_store, rooch_store, chain_id)) | ||
| } |
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| let manifest: RebaseManifest = serde_json::from_reader(File::open(&manifest_path)?)?; | ||
| ensure!( | ||
| manifest.artifact_version == REBASE_ARTIFACT_VERSION, | ||
| "unsupported artifact version: {}", | ||
| manifest.artifact_version | ||
| ); | ||
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| let (output_store_dir, output_indexer_dir) = | ||
| derive_output_paths(&self.output_data_dir, &self.chain_id); | ||
| ensure!( |
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| 4. boot slim read node | ||
| 5. validate account / asset / module / object reads |
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Summary
statedb rebase-exportandstatedb rebase-buildcommands for active-state rebaseTesting