[snawaz]

What changed

Adds a direct-mode DLP v2 lifecycle scenario: delegate, write and commit, then write and undelegate. It checks exact base-chain data, ownership, commit ID, and delegation-state cleanup.

The fixture uses the validator's pinned DLP interface. REDSUITE_DLP_SO loads the matching local program; the existing scheduling API stays unchanged.

Closes #281

Reviewer notes

Requires the v2 validator integration in validator #1860. Its account discovery currently reads only legacy delegation records, so v2 activation is expected to fail until that path is updated. Local startup is blocked by the missing macOS Yellowstone plugin.

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Walkthrough

The fixture now supports V2 delegation. The topology can load a local DLP program on the base chain. A new committor scenario tests V2 cell updates, commit settlement, and undelegation.

Changes: DLP V2 delegation lifecycle

Layer / File(s)	Summary
Fixture V2 delegation Cargo.toml, programs/fixture/Cargo.toml, programs/fixture/src/lib.rs, programs/fixture/src/build.rs, programs/fixture/src/execute.rs, programs/README.md	The fixture adds a DelegateV2 instruction builder and handler. The handler validates accounts and cell data, preserves cell data in a temporary buffer, invokes the delegation instruction, and closes the buffer. The README describes the legacy and V2 delegation records.
Local base-chain DLP override crates/redsuite-core/src/topology/config.rs, crates/redsuite-core/src/topology/mod.rs, crates/redsuite-core/src/frontend.rs, README.md	The topology validates and stages a configured DLP shared object and skips cloning a matching upgradeable program. CLI help and setup instructions describe REDSUITE_DLP_SO.
V2 committor fixture redshift/Cargo.toml, redshift/src/scenarios/committor/mod.rs, redshift/src/scenarios/committor/v2.rs	The committor fixture initializes a delegation cluster and adds helpers to create and verify V2 delegations, write cells, settle commits, and check base-chain state.
Commit and undelegation scenario redshift/src/scenarios/committor/dlp_v2_lifecycle.rs, redshift/src/scenarios/mod.rs	The registered scenario commits a cell update, then settles another update with undelegation. It checks base-chain data, ownership, commit ID, and delegation-state cleanup.

Priority: Normal

Estimated code review effort: 3 (Moderate) | ~25 minutes

Change: Other

Sequence Diagram(s)

sequenceDiagram
  participant Scenario as DlpV2Lifecycle
  participant Fixture as V2 Fixture
  participant ER
  participant Committor
  participant Base as Base chain
  Scenario->>Fixture: Create and delegate cell
  Fixture->>ER: Write cell data
  Fixture->>Committor: Settle commit or undelegation
  Fixture->>Base: Check cell data and owner
  Scenario->>Fixture: Check commit ID and delegation state

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Possibly related issues

• redsuite#283 — This issue covers settlement of legacy and V2 accounts in one scheduled intent; this PR adds V2 lifecycle coverage but does not test that combined case.
• redsuite#282 — This issue covers buffered delivery and settlement; this PR tests direct settlement but not StateBuffer operations.

Possibly related PRs

• magicblock-labs/redsuite#268: Adds the BaseCtx::seeded_payer helper used by the V2 fixture.
• magicblock-labs/redsuite#270: Changes seeded payer generation and local account discovery used by fixture setup and state checks.

Suggested labels: rust

Suggested reviewers: bzawisto

Merge Risk: Low · up to c24fb

Default Redshift runs now include a scenario requiring additional DLP and validator setup, which can make otherwise standard runs fail. Marking it explicit-only would preserve the default workflow; the risk is bounded to scenario execution.

Pre-merge checks: 4 · 1

Failed checks: 1 warning

Check name	Status	Explanation	Resolution
Docstring Coverage		Docstring coverage is 0.00% which is insufficient. The required threshold is 80.00%. Docstring coverage is scoped to functions touched by this diff with cyclomatic complexity of at least 2. Documentat…	Write docstrings for the functions missing them to satisfy the coverage threshold.

Passed checks: 4 passed

Check name	Status	Explanation
Title check		The title follows the conventional commit format and names the main change: a test scenario covering the DLP v2 settlement lifecycle. The raw summary confirms the new dlp_v2_lifecycle scenario, which …
Description check		The description states that the PR adds a direct-mode DLP v2 lifecycle scenario covering delegate, write, commit, and undelegate. It explains the REDSUITE_DLP_SO override, which matches the README and…
Linked Issues check		Issue #281 requires a direct-mode DLP v2 lifecycle, harness support for a matching local DLP build, and coverage of delegation state, exact data, commit ID, receipts, ownership, and cleanup. The added…
Out of Scope Changes check		The changes stay within issue #281. The dependency updates, fixture delegate_v2 instruction and handler, v2 fixture helpers, scenario registration, environment-variable support, and README instructi…

Full details: Title check

Explanation

The title follows the conventional commit format and names the main change: a test scenario covering the DLP v2 settlement lifecycle. The raw summary confirms the new dlp_v2_lifecycle scenario, which delegates, commits, and undelegates a cell. The title is concise and specific, so a reviewer scanning history can identify the primary change.

Full details: Description check

Explanation

The description states that the PR adds a direct-mode DLP v2 lifecycle scenario covering delegate, write, commit, and undelegate. It explains the REDSUITE_DLP_SO override, which matches the README and config.rs changes. It also names the validator dependency and the macOS startup blocker. This is directly related to the changeset.

Full details: Linked Issues check

Explanation

Issue #281 requires a direct-mode DLP v2 lifecycle, harness support for a matching local DLP build, and coverage of delegation state, exact data, commit ID, receipts, ownership, and cleanup. The added DlpV2Lifecycle and v2 fixture create and delegate a cell, write and settle value 11, verify commit ID 1, write value 22, undelegate, verify base ownership and data, and verify that the delegation-state account is absent. DLP_SO_ENV stages the local DLP build. The existing legacy fixture and scheduling paths remain present.

Full details: Out of Scope Changes check

Explanation

The changes stay within issue #281. The dependency updates, fixture delegate_v2 instruction and handler, v2 fixture helpers, scenario registration, environment-variable support, and README instructions directly support the requested lifecycle and local DLP setup. No unrelated functional change is established by the supplied whole-PR summary.

Full details: Docstring Coverage

Explanation

Docstring coverage is 0.00% which is insufficient. The required threshold is 80.00%. Docstring coverage is scoped to functions touched by this diff with cyclomatic complexity of at least 2. Documentation-only edits and deletions within surviving functions are included; unchanged diff context and fully deleted functions are excluded. Analyzed 12 functions across 10 files. (5 skipped: 5 unsupported.)

Resolution

Write docstrings for the functions missing them to satisfy the coverage threshold.

Finishing Touches: 💡 1

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Actionable comments posted: 1

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• 🪄 Fix comments: Fix CodeRabbit comments on this PR

Prompt to fix review comments

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Inline comments:
Review comments at @redshift/src/scenarios/mod.rs:
- Around line 60-64: Update the dlp_v2_lifecycle scenario registration in the
scenarios list to mark it explicit-only, keeping it selectable by name while
excluding it from unfiltered runs.

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Run configuration

• Source mode: Auto
• Repository: magicblock-labs/redsuite
• Branch: test/dlp-v2-lifecycle
• File: .coderabbit.yaml
• Commit: c24fb41
• Layers: Repository YAML
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• Plan: Advanced
• Run ID: b2001fd5-789d-4520-a2ef-24f1e72eb5e4

Commits

Reviewing files that changed from the base of the PR and between 1f84fa0 and c24fb41.

Files ignored due to path filters: 1

• Cargo.lock is excluded by !**/*.lock

Files selected for processing: 15

• Cargo.toml
• README.md
• crates/redsuite-core/src/frontend.rs
• crates/redsuite-core/src/topology/config.rs
• crates/redsuite-core/src/topology/mod.rs
• programs/README.md
• programs/fixture/Cargo.toml
• programs/fixture/src/build.rs
• programs/fixture/src/execute.rs
• programs/fixture/src/lib.rs
• redshift/Cargo.toml
• redshift/src/scenarios/committor/dlp_v2_lifecycle.rs
• redshift/src/scenarios/committor/mod.rs
• redshift/src/scenarios/committor/v2.rs
• redshift/src/scenarios/mod.rs

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