Dependency Graph

Full component dependency reference

Visual Graph

Dependency Table

Component	Depends on	Required by
L1/L2 Node	Component Framework	Erigon Archive, Map-Reduce Framework, Proof Integration, EIP-8141, Interop Bridge, QMTree
Component Framework	—	L1/L2 Node
Modular TX Pipeline	— (foundational)	EIP-8141, Interop Bridge, Shutter, Lucid
EIP-8141 Frame Txns	Modular TX Pipeline, L1/L2 Node	Interop Bridge (Phase 3+)
Erigon Archive	L1/L2 Node (Storage + SharedDomains flush path)	Sparse Snapshots (detached mode)
Map-Reduce Framework	L1/L2 Node (Storage + Execution event bus)	QMTree Commitment (backfill), Modular TX Pipeline (per-type tracing)
Proof Integration	L1/L2 Node (Consensus component, RollupDriver)	—
Interop Bridge	L1/L2 Node (Phases 1–3), Modular TX Pipeline, EIP-8141	—
QMTree Commitment	L1/L2 Node (Storage), Map-Reduce Framework (backfill)	—
Sparse Snapshots	Erigon Archive (detached mode concept)	—

Critical Paths

For EIP-8141:

Modular TX Pipeline → EIP-8141

For Interop Bridge (full):

L1/L2 Node Phase 1 → Bridge Phase 1 → Bridge Phase 2
Modular TX Pipeline → EIP-8141 → Bridge Phase 3 → Bridge Phase 4
L1/L2 Node Phase 2 → Bridge Phase 5 (P2P)
L1/L2 Node Phase 3 + Bridge Phase 4 → Bridge Phase 6 → Bridge Phase 7

For QMTree backfill:

L1/L2 Node (Storage) → Map-Reduce Framework Phase 0 ✓ → QMTree backfill

For Sparse Snapshots production:

Erigon Archive (Detached mode) + Sparse Snapshots caching layer

What Can Start Now

These components have no blocking dependencies and can be worked on independently:

Component	Why it can start
Modular TX Pipeline	No dependencies — foundational refactor
Erigon Archive Phase 1–2	Only requires SharedDomains refactor (internal)
Map-Reduce Framework Phase 1–2	Phase 0 done; next phases are additive
Component Framework integration Wave 1	Flag consolidation only — no behavioral change
QMTree (feature work)	Branch exists; active on Hoodi testnet