fix(sdk): persist the contract bounds kind on Android and iOS - #4800
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📝 WalkthroughWalkthroughThe Kotlin and Swift SDKs add explicit ChangesContract bounds kind support
Priority: ➖ Normal Estimated code review effort: 4 (Complex) | ~45 minutes Change: Bug fix Sequence Diagram(s)sequenceDiagram
participant ManagedPlatformWallet
participant PlatformWalletPersistenceHandler
participant PersistentPublicKey
participant IdentityKeyFFI
ManagedPlatformWallet->>IdentityKeyFFI: pin contract group with kind 3
IdentityKeyFFI->>PlatformWalletPersistenceHandler: provide kind 3 and group ID
PlatformWalletPersistenceHandler->>PersistentPublicKey: persist kind and group ID
PersistentPublicKey->>PlatformWalletPersistenceHandler: restore effective kind and group ID
PlatformWalletPersistenceHandler->>ManagedPlatformWallet: decode contractGroup
Merge Risk: 🟡 Moderate · up to The Android implementation introduces a second owner for protocol serialization that can drift from Rust, contrary to the SDK boundary. The storage inspector also misreports incomplete persisted records. Resolve these issues before merging. 🚥 Pre-merge checks | ✅ 4 | ❌ 1❌ Failed checks (1 warning)
✅ Passed checks (4 passed)
Full details: Docstring CoverageExplanation Docstring coverage is 62.50% which is insufficient. The required threshold is 80.00%. Docstring coverage is scoped to functions touched by this diff. Analyzed 56 functions across 17 files. (1 skipped: 1 too large.) ✨ Finishing Touches 💡 1📝 Generate docstrings 💡
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⚠️ DEGRADED — Final validation — Phase 1 + Phase 2
⚠️ DEGRADED review. The primary review models were unavailable (gpt-6-astraunavailable: All credentials for model gpt-6-astra are cooling down (last error: usage_limit_reached: The usage limit has been reache), so this review ran on stand-in models:gpt-5.6-luna→muse-spark-1.3-contributor,gpt-5.6-sol→muse-spark-1.3-contributor,gpt-5.6-terra→muse-spark-1.3-contributor,gpt-6-astra→muse-spark-1.3-contributor. Both review phases and the independent verifiers still ran, but on weaker models, with Phase 1 capped athigheffort. Treat the verdict as provisional; a full-strength re-review will run on the next push once the primary models are back.
Mobile-only follow-up that correctly round-trips the FFI contract-bounds kind 3 (ContractGroup) through the Room 11→12 column and the SwiftData V4→V5 schema. Two in-scope suggestions remain: the Kotlin restore path coerces unknown/stale stored kinds to SingleContract while Swift degrades them to unbounded, and the Swift contractBounds setter comment no longer describes the kind column it now resets.
🟡 2 suggestion(s)
Review provenance
Source: reviewer 1: muse-spark-1.3-contributor (agent: phase1-reviewer, role: architecture-layering); reviewer 2: muse-spark-1.3-contributor (agent: phase1-reviewer, role: ffi-engineer); reviewer 3: muse-spark-1.3-contributor (agent: phase1-reviewer, role: security-auditor); reviewer 4: muse-spark-1.3-contributor (standing in for gpt-6-astra) (agent: phase2-reviewer, role: general); reviewer 5: muse-spark-1.3-contributor (standing in for gpt-6-astra) (agent: phase2-reviewer, role: architecture-layering); reviewer 6: muse-spark-1.3-contributor (standing in for gpt-6-astra) (agent: phase2-reviewer, role: security-auditor); final verifier: muse-spark-1.3-contributor (standing in for gpt-6-astra) (agent: astra-verifier, role: final-verifier)
- Degraded mode:
gpt-6-astraunavailable: All credentials for model gpt-6-astra are cooling down (last error: usage_limit_reached: The usage limit has been reache (detected by probe, since 2026-09-18T05:22:01Z); stand-insgpt-5.6-luna→muse-spark-1.3-contributor,gpt-5.6-sol→muse-spark-1.3-contributor,gpt-5.6-terra→muse-spark-1.3-contributor,gpt-6-astra→muse-spark-1.3-contributor; Phase 1 effort capped athigh - Triage:
normalbymuse-spark-1.3-contributor(standing in forgpt-6-astra) (effort low) — Adds a nullable contractBoundsKind column with Room 11-to-12 and SwiftData 4-to-5 migrations plus codec round-trip handling, a contained wallet-persistence fix that does not change consensus, funds, crypto, or signing logic. - Phase 1 reviewers:
muse-spark-1.3-contributor— architecture-layering (completed, effort high); agentphase1-reviewer,muse-spark-1.3-contributor— ffi-engineer (completed, effort high); agentphase1-reviewer,muse-spark-1.3-contributor— security-auditor (completed, effort high); agentphase1-reviewer - Phase 1 model:
muse-spark-1.3-contributor— not quota-gated; passed overgemini-3.8-flash-high(lane failed),glm-5.3-flash(zai below 15% reserve: 5h 99% left, weekly 14% left) - Fresh verifier:
muse-spark-1.3-contributor(standing in forgpt-6-astra) — final-verifier; agentastra-verifier - Phase 2 reviewers:
muse-spark-1.3-contributor(standing in forgpt-6-astra) — general (completed, effort high); agentphase2-reviewer,muse-spark-1.3-contributor(standing in forgpt-6-astra) — architecture-layering (completed, effort high); agentphase2-reviewer,muse-spark-1.3-contributor(standing in forgpt-6-astra) — security-auditor (completed, effort high); agentphase2-reviewer
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These findings are from an automated code review. Verify each finding against the current code and only fix it if needed.
In `packages/kotlin-sdk/sdk/src/main/kotlin/org/dashfoundation/dashsdk/persistence/PlatformWalletPersistenceHandler.kt`:
- [SUGGESTION] packages/kotlin-sdk/sdk/src/main/kotlin/org/dashfoundation/dashsdk/persistence/PlatformWalletPersistenceHandler.kt:2868-2875: Unknown or zero stored bounds kind coerced to SingleContract instead of degrading to unbounded
The restore branch only matches stored kinds 3 and 1 explicitly, then falls through to doc-type inference (`docType != null → 2 else → 1`). A row with a decodable id blob and a stored kind of 0 or any future/unknown kind therefore restores as kind 1 (or 2 when a doc-type string happens to be present) — asserting a SingleContract bound the key does not have. The Swift restore path in the same PR (`(1...3).contains(boundsKind)`, else kind 0) degrades those rows to unbounded, so the two platforms disagree on the same row, and the persist side stores the native kind verbatim, so a future kind would be stored then mis-restored on Android only. Branch on the stored kind first and degrade anything unrecognized to 0; also use isNullOrEmpty so an empty-string doc-type does not restore as kind 2 on Android while Swift demotes it to 1.
In `packages/swift-sdk/Sources/SwiftDashSDK/Persistence/Models/PersistentPublicKey.swift`:
- [SUGGESTION] packages/swift-sdk/Sources/SwiftDashSDK/Persistence/Models/PersistentPublicKey.swift:131-135: contractBounds setter comment omits the kind column it now resets
The setter now also resets `contractBoundsKind` (0/1), but the comment still tells callers that writing `contractBoundsDocumentTypeName` after the setter is enough for a `.singleContractDocumentType` round-trip. Since `effectiveContractBoundsKind` prefers the stored kind, a doc-type written after this setter without also writing kind 2 restores as `.singleContract` and silently drops the qualifier. The only current caller overwrites the kind afterwards, so nothing is broken today, but the guidance is wrong for the next caller — update it in the same diff that changed the setter body.
Out-of-scope follow-up suggestions (1)
These are valid observations, but they are outside this PR's scope and should be handled in separate issues or author/maintainer-requested PRs rather than blocking this review.
- Unknown future bounds kinds fail open in the local wallet view — Speculative hardening for a kind that does not exist yet; the actionable part (Kotlin degrading unknown kinds to 0 like Swift) is kept as an in-scope suggestion above, and the remainder asks for a separate fail-closed redesign tracked outside this PR.
- Follow-up: Consider creating a separate issue or author/maintainer-requested PR for this.
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…nd-trip Android stored a key's bounds as an id plus an optional document type name and inferred the kind on restore, so a key bound to a contract group (kind 3) came back as a single-contract bound to the group id and the local signing preflight refused valid batches until the identity was refreshed. - public_keys gains a nullable contractBoundsKind column (schema 13, manual MIGRATION_12_13 in the style of the earlier bumps; 12 is the key usage limits schema from #4811, whose exported 12.json is committed here too). The persist callback records the kind the native row carries; restore honours it and keeps the old inference for legacy rows with a NULL kind. A stored kind this build does not know, or a stored 0 next to a stale blob, restores unbounded, the same fallback the Swift restore path applies; a kind 2 without its document type demotes to 1 as Rust does. - ContractBounds.ContractGroup in the SDK type, kind 3 in IdentityPubkeyCodec (an id and no document type, ahead of the limits flags), kind docs updated in the bridges and the JNI blob layout. - Tests: kind 3 and every other kind round-trip through the handler, legacy rows still infer 0, 1 and 2, unknown and zero kinds restore unbounded, the codec bytes for kind 3, the schema version and column, and a 12 to 13 migration test (instrumented, compiled only). Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>
…d-trip Swift stored a key's bounds as an id plus an optional document type name and inferred the kind on restore, and the persist callback dropped kinds it did not know. A key bound to a contract group (kind 3) therefore restored unbounded after a restart. - PersistentPublicKey gains an optional contractBoundsKind on the live schema version 5. V5 was cut by #4811 and has shipped in no tag, so the column joins it in place, the way the DashModelContainer doc allows before a version ships, and the dash-v5 fixture store is rewritten by this build: no new version and no new frozen copies. A nil kind marks a legacy row and keeps the old inference. - The persist path stores the kind the FFI row carries, including 3; the restore path emits the stored kind (kind 3 with the id and no document type, a kind 2 row without its name demoted to 1 as Rust does, a kind this build does not know restored unbounded). - ManagedPlatformWallet.ContractBounds gains contractGroup(id:), with the pin and parse paths for kind 3. The DPP-layer bounds enum is unchanged (generated frozen schemas switch over it exhaustively), so that projection reports no bounds for a group-bound row instead of a false single contract. - The example app's storage inspector shows the bounds variant. - Tests: kind 3 round trip, kinds 0 to 2 unchanged, legacy inference, unusable rows, pin and parse of kind 3, unknown kinds still rejected, the V4 to V5 backfill of the kind column, and the V4/V5 entity-set pin. Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>
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Actionable comments posted: 2
- 🪄 Fix CodeRabbit comments on this PR
🤖 Prompt to fix review comments
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Inline comments:
In
`@packages/kotlin-sdk/sdk/src/main/kotlin/org/dashfoundation/dashsdk/identity/IdentityUpdates.kt`:
- Line 96: Move contract-bounds representation and protocol serialization out of
IdentityPubkeyCodec into the Rust implementation, including DPP role bytes,
contractBoundsKind selection, and kind 3 encoding. Expose a thin JNI encoder and
update both identity-update and registration callers to use it, preserving the
existing IdentityPubkeyFFI boundary.
In
`@packages/swift-sdk/SwiftExampleApp/SwiftExampleApp/Views/StorageRecordDetailViews.swift`:
- Line 769: Update the storage record detail view so FieldRow for “Contract
Bounds” using contractBoundsKindDisplay is rendered outside the non-empty
contractBounds condition, while that condition only controls bound IDs and
document type. In the kind display mapping, map kind 0 to “None” and preserve
the existing labels for other and unknown kinds.
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📒 Files selected for processing (21)
packages/kotlin-sdk/sdk/schemas/org.dashfoundation.dashsdk.persistence.DashDatabase/12.jsonpackages/kotlin-sdk/sdk/schemas/org.dashfoundation.dashsdk.persistence.DashDatabase/13.jsonpackages/kotlin-sdk/sdk/src/androidTest/kotlin/org/dashfoundation/dashsdk/persistence/DashDatabaseMigrationTest.ktpackages/kotlin-sdk/sdk/src/main/kotlin/org/dashfoundation/dashsdk/ffi/NativePersistenceBridge.ktpackages/kotlin-sdk/sdk/src/main/kotlin/org/dashfoundation/dashsdk/ffi/TransactionsNative.ktpackages/kotlin-sdk/sdk/src/main/kotlin/org/dashfoundation/dashsdk/identity/IdentityPubkeyCodec.ktpackages/kotlin-sdk/sdk/src/main/kotlin/org/dashfoundation/dashsdk/identity/IdentityUpdates.ktpackages/kotlin-sdk/sdk/src/main/kotlin/org/dashfoundation/dashsdk/persistence/DashDatabase.ktpackages/kotlin-sdk/sdk/src/main/kotlin/org/dashfoundation/dashsdk/persistence/PlatformWalletPersistenceHandler.ktpackages/kotlin-sdk/sdk/src/main/kotlin/org/dashfoundation/dashsdk/persistence/entities/PublicKeyEntity.ktpackages/kotlin-sdk/sdk/src/test/kotlin/org/dashfoundation/dashsdk/identity/RegistrationKeysTest.ktpackages/kotlin-sdk/sdk/src/test/kotlin/org/dashfoundation/dashsdk/persistence/DashDatabaseTest.ktpackages/kotlin-sdk/sdk/src/test/kotlin/org/dashfoundation/dashsdk/persistence/PlatformWalletPersistenceHandlerTest.ktpackages/swift-sdk/Sources/SwiftDashSDK/Persistence/DashModelContainer.swiftpackages/swift-sdk/Sources/SwiftDashSDK/Persistence/Models/PersistentPublicKey.swiftpackages/swift-sdk/Sources/SwiftDashSDK/PlatformWallet/ManagedPlatformWallet.swiftpackages/swift-sdk/Sources/SwiftDashSDK/PlatformWallet/PlatformWalletPersistenceHandler.swiftpackages/swift-sdk/SwiftExampleApp/SwiftExampleApp/Views/StorageRecordDetailViews.swiftpackages/swift-sdk/SwiftTests/SwiftDashSDKTests/DashModelMigrationTests.swiftpackages/swift-sdk/SwiftTests/SwiftDashSDKTests/Fixtures/SchemaStores/dash-v5.storepackages/swift-sdk/SwiftTests/SwiftDashSDKTests/IdentityKeyContractBoundsTests.swift
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… missing The storage inspector only rendered the kind row when the id blob decoded, so a row persisted with kind 3, or a kind this build does not know, showed "None" and hid the discriminator it will restore with. The kind row now always shows, with kind 0 named "None"; the id and document type rows keep their own condition. Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>
2 participants
Issue being fixed or feature implemented
Follow-up to #4793. That change lets an AUTHENTICATION key carry contract bounds naming a contract group, which crosses the wallet FFI as
contract_bounds_kind == 3with the group id and no document type.Neither mobile store can round-trip that. Both persist a key's bounds as an id plus an optional document type name and infer the kind on restore, so a group bound comes back as a single-contract bound to the group id on Android (the local signing preflight then refuses valid batches until the identity is refreshed) and unbounded on Swift. Consensus enforces the stored bounds either way; this is about the wallet's own view of the key.
Rebased onto
v4.2-devafter #4811 (key limits on every client), which took Room schema 12 and SwiftData schema V5 for the key usage-limit columns. This PR now sits on top of both.What was done?
Android (
kotlin-sdk)public_keysgains a nullablecontractBoundsKindcolumn. Database version 12 to 13 with a manualMIGRATION_12_13, in the style of the earlier bumps;13.jsonwas generated by Room. feat(sdk)!: key limits on every client: wasm-dpp2, platform-wallet, FFI, Kotlin and Swift #4811 did not commit its exported12.json, so that file is included here as the recorded baseline the 12 to 13 migration test validates against.ContractBounds.ContractGroupin the SDK type, kind 3 inIdentityPubkeyCodec(an id and no document type, ahead of the limits flags feat(sdk)!: key limits on every client: wasm-dpp2, platform-wallet, FFI, Kotlin and Swift #4811 added), kind docs updated in the bridges.iOS (
swift-sdk)PersistentPublicKeygains an optionalcontractBoundsKind; a nil kind marks a legacy row and keeps the old inference. The persist path stores the kind the FFI row carries, the restore path emits it (kind 3 with the id and no document type).ManagedPlatformWallet.ContractBoundsgainscontractGroup(id:)with the pin and parse paths for kind 3. The example app's storage inspector shows the bounds variant.DashModelContainerdoc allows changing the live shape before it ships provided the live fixture store is rewritten on purpose in the same change:dash-v5.storewas rewritten by this build. No V6, no new frozen copies; the 36 frozen V4 files are the ones feat(sdk)!: key limits on every client: wasm-dpp2, platform-wallet, FFI, Kotlin and Swift #4811 already committed. Stores written by dev builds between feat(sdk)!: key limits on every client: wasm-dpp2, platform-wallet, FFI, Kotlin and Swift #4811 and this change match no registered version and need a reset, which is the documented cost of that path.How Has This Been Tested?
swift testfor the migration suite (including the V4 to V5 backfill of the kind column and the V4/V5 entity-set pin) and the bounds suite (8);scripts/freeze_schema_models.py --check(73 frozen files match) with its script tests.Breaking Changes
None for consensus. Local stores migrate forward: Room 12 to 13, SwiftData schema 4 to 5 (lightweight; V5 dev stores from before this change need a reset).
Notes for reviewers
ContractBoundsenum deliberately gets no group case: generated frozen schema copies switch over it exhaustively, so that projection reports no bounds for a group-bound row rather than a false single contract. The FFI restore path carries kind 3.Checklist:
For repository code-owners and collaborators only
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