feat(supervisor): pre-interop db support

[dhyaniarun1993]

Closes #2351
Part of #2272

[codecov]

Codecov Report

Attention: Patch coverage is 88.00000% with 36 lines in your changes missing coverage. Please review.

Project coverage is 82.3%. Comparing base (42839d1) to head (2250cec).
Report is 4 commits behind head on main.

✅ All tests successful. No failed tests found.

Files with missing lines	Patch %	Lines
crates/supervisor/storage/src/chaindb.rs	81.1%	17 Missing ⚠️
crates/supervisor/core/src/supervisor.rs	0.0%	14 Missing ⚠️
...ervisor/storage/src/providers/head_ref_provider.rs	75.0%	3 Missing ⚠️
...visor/storage/src/providers/derivation_provider.rs	96.2%	1 Missing ⚠️
...s/supervisor/storage/src/providers/log_provider.rs	98.3%	1 Missing ⚠️

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[Copilot]

Pull Request Overview

This PR adds pre-interop database initialization support by introducing dedicated initialization methods for both derivation and log storage, updating consumers to call these methods, and adapting tests and metrics accordingly.

• Introduce initialise_derivation_storage and initialise_log_storage in storage traits and providers
• Refactor ChainDb to use new initialization methods and update supervisor/bootstrap code
• Enhance tests, metrics, and configuration to support the new initialization flow

Reviewed Changes

Copilot reviewed 11 out of 11 changed files in this pull request and generated 3 comments.

Show a summary per file

File	Description
crates/supervisor/storage/src/traits.rs	Added initialise_derivation_storage and initialise_log_storage methods to writer traits
crates/supervisor/storage/src/providers/log_provider.rs	Implemented initialise_log_storage, changed missing-block error to DatabaseNotInitialised, added empty-storage test
crates/supervisor/storage/src/providers/head_ref_provider.rs	Enhanced update_safety_head_ref to prevent downgrading and renamed parameter to incoming_head_ref
crates/supervisor/storage/src/providers/derivation_provider.rs	Implemented initialise_derivation_storage, switched EntryNotFound to DatabaseNotInitialised, extended tests
crates/supervisor/storage/src/metrics.rs	Updated metrics method list to include new initialization and renamed methods
crates/supervisor/storage/src/chaindb.rs	Removed unified initialise, added calls to new init methods in ChainDb, left TODOs
crates/supervisor/core/src/supervisor.rs	Replaced db.initialise with separate init calls for log and derivation storage
crates/supervisor/core/src/logindexer/indexer.rs	Added test stub for initialise_log_storage in LogStorageWriter impl
crates/supervisor/core/src/config/rollup_config_set.rs	Derived Default for Genesis and RollupConfig
crates/supervisor/core/src/chain_processor/task.rs	Added _rollup_config field and updated constructor/tests with initialise_* stubs
crates/supervisor/core/src/chain_processor/chain.rs	Added rollup_config field, increased channel buffer, updated tests for new init methods

Comments suppressed due to low confidence (10)

crates/supervisor/storage/src/providers/log_provider.rs:149

• Replacing EntryNotFound with DatabaseNotInitialised here conflates missing entries and uninitialized database states; consider preserving a distinct error for EntryNotFound or document the new semantics clearly.

            StorageError::DatabaseNotInitialised

crates/supervisor/storage/src/providers/derivation_provider.rs:564

• [nitpick] This test comment refers to a second initialization but calls insert_pair; consider renaming the helper or aligning the test to use an initialize_* helper for clarity.

        assert!(insert_pair(&db, &anchor).is_ok());

crates/supervisor/storage/src/chaindb.rs:72

• Rather than scattering two separate init calls, provide a single initialize(anchor) method on ChainDb to encapsulate both log and derivation initialization and reduce the chance of forgetting one.

// todo: make sure all get method return DatabaseNotInitialised error if db is not initialised

crates/supervisor/core/src/config/rollup_config_set.rs:10

• [nitpick] Deriving Default for Genesis may produce semantically invalid default anchors. Consider whether a meaningful default is appropriate or remove Default.

#[derive(Debug, Default, Clone)]

crates/supervisor/storage/src/traits.rs:63

• [nitpick] The doc comment uses US spelling Initializes whereas the method name uses British spelling initialise_derivation_storage; consider aligning spelling for consistency.

    /// Initializes the derivation storage with a given [`DerivedRefPair`].

crates/supervisor/core/src/logindexer/indexer.rs:170

• In this test stub impl LogStorageWriter for Db, the method signature has no body and will cause a compilation error. Add a body (e.g., Ok(())).

            fn initialise_log_storage(&self, _block: BlockInfo) -> Result<(), StorageError>;

crates/supervisor/core/src/chain_processor/task.rs:497

• Test stub for initialise_log_storage is missing a method body. Provide an implementation (e.g., returning Ok(())) for this trait in tests.

            fn initialise_log_storage(

crates/supervisor/core/src/chain_processor/task.rs:517

• Test stub for initialise_derivation_storage lacks a method body. Implement the stub to return Ok(()) to satisfy the trait in tests.

            fn initialise_derivation_storage(

crates/supervisor/core/src/chain_processor/chain.rs:244

• In the test impl LogStorageWriter for Db, initialise_log_storage has no body. Add a default body to avoid compilation errors.

            fn initialise_log_storage(

crates/supervisor/core/src/chain_processor/chain.rs:264

• The test stub for initialise_derivation_storage is missing an implementation. Provide a stub body (e.g., Ok(())).

            fn initialise_derivation_storage(