From b3255517652c78ccd8b17d4a7d0e9dcf3195178d Mon Sep 17 00:00:00 2001 From: vicajohn Date: Sat, 25 Jul 2026 17:35:38 +0100 Subject: [PATCH 1/6] Add custom error types spec --- .kiro/specs/custom-error-types/.config.kiro | 1 + .kiro/specs/custom-error-types/design.md | 60 +++++++ .../specs/custom-error-types/requirements.md | 52 +++++++ .kiro/specs/custom-error-types/tasks.md | 147 ++++++++++++++++++ 4 files changed, 260 insertions(+) create mode 100644 .kiro/specs/custom-error-types/.config.kiro create mode 100644 .kiro/specs/custom-error-types/design.md create mode 100644 .kiro/specs/custom-error-types/requirements.md create mode 100644 .kiro/specs/custom-error-types/tasks.md diff --git a/.kiro/specs/custom-error-types/.config.kiro b/.kiro/specs/custom-error-types/.config.kiro new file mode 100644 index 00000000..6a7b41d6 --- /dev/null +++ b/.kiro/specs/custom-error-types/.config.kiro @@ -0,0 +1 @@ +{"specId": "custom-error-types", "workflowType": "requirements-first", "specType": "feature"} \ No newline at end of file diff --git a/.kiro/specs/custom-error-types/design.md b/.kiro/specs/custom-error-types/design.md new file mode 100644 index 00000000..b9391324 --- /dev/null +++ b/.kiro/specs/custom-error-types/design.md @@ -0,0 +1,60 @@ +# Design Document + +## Overview + +This design replaces generic error strings with custom Rust error types in the Soroban smart contract to reduce deployment size and improve gas efficiency. + +## Architecture + +### Error Type Structure + +```rust +#[derive(Debug)] +pub enum NotificationError { + // Authorization errors + AdminUnauthorized, + InvalidAdmin, + + // State errors + ContractPaused, + AlreadyPaused, + NotPaused, + + // Notification errors + NotificationNotFound, + InvalidNotification, + InvalidRecipient, + + // Validation errors + InvalidTimestamp, + InvalidEventPayload, + EmptyRecipientList, + TooManyRecipients, + + // State transition errors + InvalidStateTransition, + DuplicateOperation, +} +``` + +### Implementation Strategy + +1. Define comprehensive error enum in `base/errors.rs` +2. Replace all `require!` macro with custom error returns +3. Update error handling in all modules +4. Add error conversion traits if needed +5. Update tests to verify error types + +### Integration Points + +- **Authorization module**: AdminUnauthorized, InvalidAdmin +- **Pause mechanism**: ContractPaused, AlreadyPaused, NotPaused +- **Event validation**: InvalidEventPayload, InvalidTimestamp +- **Notification creation**: NotificationNotFound, InvalidNotification +- **Recipient validation**: InvalidRecipient, EmptyRecipientList, TooManyRecipients + +### Gas Savings + +- Custom error enums: ~4 bytes per error vs 30+ bytes for strings +- Estimated reduction: 10-20% of contract size +- Reduced storage reads for error handling \ No newline at end of file diff --git a/.kiro/specs/custom-error-types/requirements.md b/.kiro/specs/custom-error-types/requirements.md new file mode 100644 index 00000000..4166f9b4 --- /dev/null +++ b/.kiro/specs/custom-error-types/requirements.md @@ -0,0 +1,52 @@ +# Requirements Document + +## Introduction + +This feature replaces generic error strings with custom error types to reduce deployment size and gas usage. In Soroban, this means using custom Rust error enums instead of string panic messages. + +## Glossary + +- **Custom Error Type**: Enum defining specific error conditions in Rust +- **Generic Error String**: Human-readable error message string +- **Contract Size**: Total bytes of compiled contract code +- **Gas Usage**: Operational cost of contract execution +- **Error Variant**: Individual case in an error enum +- **Error Handling**: Code that manages error conditions + +## Requirements + +### Requirement 1: Replace Generic Revert Strings + +**User Story:** As a contract developer, I want generic error strings replaced with custom error types, so that deployment size is reduced. + +#### Acceptance Criteria + +1. ALL applicable panic strings and error messages SHALL use custom error types +2. GENERIC error strings SHALL be converted to specific error enum variants +3. EACH error type SHALL have a descriptive name +4. ERROR types SHALL be defined in base/errors.rs module +5. ERROR messages SHALL not exceed necessary description length + +### Requirement 2: Descriptive Error Names + +**User Story:** As an integrator, I want error names to be descriptive, so that I can understand what went wrong. + +#### Acceptance Criteria + +1. EACH error variant name SHALL clearly indicate the error condition +2. ERROR names SHALL follow Rust naming conventions (PascalCase) +3. ERROR names SHALL avoid generic terms like "Error" or "Failed" +4. ERROR documentation SHALL explain when each error occurs +5. ERROR variants SHALL be organized logically in the error enum + +### Requirement 3: Test Coverage + +**User Story:** As a QA engineer, I want tests to confirm expected errors, so that error handling is verified. + +#### Acceptance Criteria + +1. UNIT tests SHALL verify that operations produce expected error types +2. TESTS SHALL cover both success and failure paths +3. TESTS SHALL verify correct error is returned for each condition +4. INTEGRATION tests SHALL confirm error propagation through call stacks +5. ERROR recovery scenarios SHALL be tested \ No newline at end of file diff --git a/.kiro/specs/custom-error-types/tasks.md b/.kiro/specs/custom-error-types/tasks.md new file mode 100644 index 00000000..da6f4c0a --- /dev/null +++ b/.kiro/specs/custom-error-types/tasks.md @@ -0,0 +1,147 @@ +# Implementation Plan: custom-error-types + +## Overview + +This implementation plan replaces generic error strings with custom error types throughout the Soroban contract to reduce deployment size and improve gas efficiency. + +## Tasks + +- [ ] 1. Define custom error enum + - [ ] 1.1 Create comprehensive error enum in base/errors.rs + - Add all error variants needed across contract + - Add documentation for each variant + - Include AdminUnauthorized, ContractPaused, InvalidNotification, etc. + - _Requirements: 1.1, 1.2, 2.1, 2.2_ + + - [ ] 1.2 Implement error traits + - Implement Display trait for human-readable errors + - Implement From traits for error conversion if needed + - _Requirements: 2.1, 2.2_ + +- [ ] 2. Replace authorization error strings + - [ ] 2.1 Update require_admin() function + - Replace string-based errors with AdminUnauthorized variant + - Update all panic messages to use custom error + - _Requirements: 1.1, 1.2_ + + - [ ] 2.2 Update authorization checks + - Replace all authorization error strings in contract + - Use consistent error types across all auth points + - _Requirements: 1.1, 1.2_ + +- [ ] 3. Replace pause mechanism error strings + - [ ] 3.1 Update pause() function errors + - Replace AlreadyPaused error strings with custom type + - Replace AdminUnauthorized strings with custom type + - _Requirements: 1.1, 1.2_ + + - [ ] 3.2 Update unpause() function errors + - Replace NotPaused error strings with custom type + - Replace AdminUnauthorized strings with custom type + - _Requirements: 1.1, 1.2_ + + - [ ] 3.3 Update check_not_paused() guard + - Replace ContractPaused error strings with custom type + - Apply throughout notification operations + - _Requirements: 1.1, 1.2_ + +- [ ] 4. Replace notification creation error strings + - [ ] 4.1 Update create_notification() errors + - Replace InvalidNotification strings with custom type + - Replace InvalidRecipient strings with custom type + - Replace EmptyRecipientList strings with custom type + - _Requirements: 1.1, 1.2_ + + - [ ] 4.2 Update recipient validation errors + - Replace TooManyRecipients strings with custom type + - Replace InvalidRecipient strings with custom type + - _Requirements: 1.1, 1.2_ + +- [ ] 5. Replace event validation error strings + - [ ] 5.1 Update validateEventPayload() errors + - Replace InvalidEventPayload strings with custom type + - Replace InvalidTimestamp strings with custom type + - _Requirements: 1.1, 1.2_ + + - [ ] 5.2 Update topic validation errors + - Replace validation error strings with custom types + - _Requirements: 1.1, 1.2_ + +- [ ] 6. Replace state transition error strings + - [ ] 6.1 Update state validation errors + - Replace InvalidStateTransition strings with custom type + - Replace DuplicateOperation strings with custom type + - _Requirements: 1.1, 1.2_ + +- [ ] 7. Add unit tests for error types + - [ ] 7.1 Create error handling tests + - Test that operations return expected error types + - Test error messages are descriptive + - Test error types match documented behavior + - _Requirements: 3.1, 3.2, 3.3_ + + - [ ] 7.2 Test authorization errors + - Verify AdminUnauthorized returned for non-admin calls + - Verify InvalidAdmin returned for invalid admin addresses + - _Requirements: 3.1, 3.2, 3.3_ + + - [ ] 7.3 Test pause mechanism errors + - Verify ContractPaused returned when operations blocked + - Verify AlreadyPaused returned for duplicate pause + - Verify NotPaused returned for unpause when not paused + - _Requirements: 3.1, 3.2, 3.3_ + + - [ ] 7.4 Test notification creation errors + - Verify InvalidNotification returned for invalid notifications + - Verify InvalidRecipient returned for bad recipients + - Verify EmptyRecipientList returned for no recipients + - Verify TooManyRecipients returned for oversized batch + - _Requirements: 3.1, 3.2, 3.3_ + + - [ ] 7.5 Test event validation errors + - Verify InvalidEventPayload returned for malformed events + - Verify InvalidTimestamp returned for bad timestamps + - _Requirements: 3.1, 3.2, 3.3_ + +- [ ] 8. Add integration tests + - [ ] 8.1 Test error propagation + - Verify errors propagate correctly through call stacks + - Verify callers receive expected error types + - _Requirements: 3.4_ + + - [ ] 8.2 Test error recovery + - Verify system can recover after error conditions + - Verify state is consistent after errors + - _Requirements: 3.5_ + +- [ ] 9. Verify deployment size reduction + - [ ] 9.1 Compare contract sizes + - Measure before and after deployment sizes + - Document size reduction percentage + - _Requirements: 1.1, 1.2_ + + - [ ] 9.2 Verify gas efficiency + - Benchmark error handling gas costs before/after + - Document gas usage improvements + - _Requirements: 1.1_ + +- [ ] 10. Update documentation + - [ ] 10.1 Document error types + - Add error reference documentation + - Include when each error occurs + - Include error recovery steps + - _Requirements: 2.1, 2.2, 2.3_ + + - [ ] 10.2 Update contract documentation + - Update error handling guide + - Add error handling examples + - Document custom error usage patterns + - _Requirements: 2.1, 2.2, 2.3_ + +## Notes + +- Custom error enums are more efficient than string errors +- Each error variant should have a descriptive name +- Error types should be organized by category +- Tests must verify correct error type for each condition +- Documentation should help integrators understand errors \ No newline at end of file From 026fe221de37266a6a2b4a05cf59378deae96b36 Mon Sep 17 00:00:00 2001 From: vicajohn Date: Sat, 25 Jul 2026 17:40:40 +0100 Subject: [PATCH 2/6] Add notification type filtering spec --- .../notification-type-filtering/.config.kiro | 1 + .../notification-type-filtering/design.md | 95 +++++++++++ .../requirements.md | 70 ++++++++ .../notification-type-filtering/tasks.md | 159 ++++++++++++++++++ 4 files changed, 325 insertions(+) create mode 100644 .kiro/specs/notification-type-filtering/.config.kiro create mode 100644 .kiro/specs/notification-type-filtering/design.md create mode 100644 .kiro/specs/notification-type-filtering/requirements.md create mode 100644 .kiro/specs/notification-type-filtering/tasks.md diff --git a/.kiro/specs/notification-type-filtering/.config.kiro b/.kiro/specs/notification-type-filtering/.config.kiro new file mode 100644 index 00000000..27986c73 --- /dev/null +++ b/.kiro/specs/notification-type-filtering/.config.kiro @@ -0,0 +1 @@ +{"specId": "notification-type-filtering", "workflowType": "requirements-first", "specType": "feature"} \ No newline at end of file diff --git a/.kiro/specs/notification-type-filtering/design.md b/.kiro/specs/notification-type-filtering/design.md new file mode 100644 index 00000000..cd44a220 --- /dev/null +++ b/.kiro/specs/notification-type-filtering/design.md @@ -0,0 +1,95 @@ +# Design Document + +## Overview + +This design adds notification type metadata to emitted events, allowing off-chain consumers to selectively filter and subscribe to specific notification categories. + +## Architecture + +### Event Structure Enhancement + +```typescript +// Old Event (still valid) +interface NotificationEvent { + id: string; + contractAddress: string; + ledger: number; + type: string; + topic: string[]; + value?: StellarSDK.xdr.ScVal; + txHash: string; +} + +// New Event (with notification type) +interface NotificationEventWithType extends NotificationEvent { + notificationType: NotificationType; + timestamp: number; +} + +enum NotificationType { + CREATION = "Creation", + DELIVERY = "Delivery", + ACKNOWLEDGMENT = "Acknowledgment", + EXPIRATION = "Expiration", + PAUSE = "Pause", + UNPAUSE = "Unpause" +} +``` + +### Integration Points + +1. **Event Registry** - Store notification type metadata +2. **Event Subscriber** - Set type before processing +3. **Discord Service** - Include type in notifications +4. **Event Utils** - Helper functions for type management + +### Implementation Strategy + +1. Add NotificationType enum +2. Extend EventResponse type with notificationType field +3. Update event processing to set type +4. Update listeners to parse and filter by type +5. Ensure backward compatibility + +## Backward Compatibility + +- New field is additive only (no breaking changes) +- Old listeners will ignore notificationType field +- New listeners can work with or without the field +- Event structure validation remains flexible + +## Filtering Examples + +```typescript +// Filter for creation events only +if (event.notificationType === NotificationType.CREATION) { + handleCreation(event); +} + +// Filter for delivery and acknowledgment +if ([NotificationType.DELIVERY, NotificationType.ACKNOWLEDGMENT].includes(event.notificationType)) { + handleDeliveryOrAcknowledgment(event); +} + +// Filter out expiration events +if (event.notificationType !== NotificationType.EXPIRATION) { + processEvent(event); +} +``` + +## Data Model Updates + +```typescript +interface EventRegistry { + eventId: string; + contractAddress: string; + eventName: string; + ledger: number; + type: string; + topic: string[]; + value?: StellarSDK.xdr.ScVal; + txHash: string; + notificationType: NotificationType; // NEW + timestamp: number; // NEW +} +``` \ No newline at end of file diff --git a/.kiro/specs/notification-type-filtering/requirements.md b/.kiro/specs/notification-type-filtering/requirements.md new file mode 100644 index 00000000..e29468ad --- /dev/null +++ b/.kiro/specs/notification-type-filtering/requirements.md @@ -0,0 +1,70 @@ +# Requirements Document + +## Introduction + +This feature introduces support for filtering events by notification type, enabling off-chain consumers to selectively subscribe to specific notification categories and reduce unnecessary processing. + +## Glossary + +- **Notification Type**: Category or classification of a notification (e.g., Creation, Delivery, Acknowledgment) +- **Event Metadata**: Additional information attached to events describing their characteristics +- **Backward Compatibility**: Ability to support both old and new event formats without breaking existing listeners +- **Off-chain Consumer**: External system or service that listens to and processes emitted events +- **Event Filter**: Selection criteria for subscribing to specific notification types + +## Requirements + +### Requirement 1: Notification Type Metadata + +**User Story:** As an off-chain consumer, I want events to include notification type metadata, so that I can identify and filter specific notification categories. + +#### Acceptance Criteria + +1. WHEN an event is emitted, THE system SHALL include a notification type field in the event +2. THE notification type field SHALL contain one of: Creation, Delivery, Acknowledgment, Expiration, Pause, Unpause +3. THE notification type field SHALL be set before the event is emitted +4. THE notification type field SHALL be immutable after event emission + +### Requirement 2: Event Structure Updates + +**User Story:** As a developer, I want updated event structures that include notification type, so that I can properly parse and process events. + +#### Acceptance Criteria + +1. THE event structure SHALL include a new notificationType field +2. THE notificationType field SHALL be of string or enum type +3. EXISTING event fields SHALL remain unchanged for backward compatibility +4. THE event version or schema version MAY be incremented + +### Requirement 3: Backward Compatibility + +**User Story:** As a system operator, I want existing listeners to continue working without code changes, so that system upgrades don't cause disruptions. + +#### Acceptance Criteria + +1. EXISTING listeners that ignore the notificationType field SHALL continue to function +2. OLD event format listeners SHALL still receive events (with new field populated) +3. NEW listeners SHALL be able to ignore the notificationType field if desired +4. NO existing event fields SHALL be removed or renamed + +### Requirement 4: Selective Subscription + +**User Story:** As an off-chain service, I want to filter events by notification type, so that I only receive relevant events. + +#### Acceptance Criteria + +1. THE listener/consumer SHALL be able to filter events by notificationType value +2. FILTERING logic SHALL support multiple notification types in a single subscription +3. FILTERING SHALL be performant and not require processing all events +4. EXAMPLES of filtering logic SHALL be documented + +### Requirement 5: Test Coverage + +**User Story:** As a QA engineer, I want comprehensive tests for different notification categories, so that all notification types work correctly. + +#### Acceptance Criteria + +1. UNIT tests SHALL verify each notification type is correctly set +2. INTEGRATION tests SHALL verify event emission with correct types for each operation +3. TESTS SHALL verify backward compatibility with old listeners +4. TESTS SHALL cover filtering logic for different notification types \ No newline at end of file diff --git a/.kiro/specs/notification-type-filtering/tasks.md b/.kiro/specs/notification-type-filtering/tasks.md new file mode 100644 index 00000000..32ac914f --- /dev/null +++ b/.kiro/specs/notification-type-filtering/tasks.md @@ -0,0 +1,159 @@ +# Implementation Plan: notification-type-filtering + +## Overview + +This implementation plan adds notification type metadata to emitted events for selective subscription and filtering by off-chain consumers. + +## Tasks + +- [ ] 1. Define NotificationType enum + - [ ] 1.1 Create NotificationType enum in types/index.ts + - Values: CREATION, DELIVERY, ACKNOWLEDGMENT, EXPIRATION, PAUSE, UNPAUSE + - _Requirements: 1.2, 2.2_ + + - [ ] 1.2 Export NotificationType from types module + - Make available to all consumers + - _Requirements: 1.2, 4.2_ + +- [ ] 2. Extend event structure with notification type + - [ ] 2.1 Add notificationType field to event registry schema + - Add to EventRegistry or similar persistent storage type + - _Requirements: 1.1, 2.1, 2.3_ + + - [ ] 2.2 Add timestamp field to event data + - Capture when event was emitted + - _Requirements: 1.1, 2.1_ + + - [ ] 2.3 Update event validation to allow notificationType + - Modify validateEventPayload() to accept the field + - _Requirements: 2.1, 4.4_ + +- [ ] 3. Set notification type during event processing + - [ ] 3.1 Update EventSubscriber.processEvent() + - Determine notification type based on event context + - Set notificationType before storing/emitting + - _Requirements: 1.1, 1.3, 4.1_ + + - [ ] 3.2 Map event characteristics to notification types + - CREATION: When notification is created + - DELIVERY: When notification is sent to user + - ACKNOWLEDGMENT: When notification is acknowledged + - EXPIRATION: When notification expires + - PAUSE: When system is paused + - UNPAUSE: When system is unpaused + - _Requirements: 1.2, 4.1_ + + - [ ] 3.3 Ensure notificationType is set before event registration + - Set type in EventSubscriber before calling registry + - _Requirements: 1.1, 1.3_ + +- [ ] 4. Update Discord notification service + - [ ] 4.1 Include notification type in Discord messages + - Add notificationType to embedded message + - _Requirements: 1.1, 2.1_ + + - [ ] 4.2 Format type display for Discord + - Use readable format (e.g., "Creation", "Delivery") + - _Requirements: 1.1_ + +- [ ] 5. Create helper functions for filtering + - [ ] 5.1 Create filterEventsByType() utility function + - Accept events and notification type(s) + - Return filtered events + - _Requirements: 4.1, 4.2, 4.3_ + + - [ ] 5.2 Create isNotificationType() helper + - Check if event matches a specific type + - Support multiple types + - _Requirements: 4.2, 4.3_ + + - [ ] 5.3 Export filtering utilities from event-utils + - Make available for consumer use + - _Requirements: 4.2_ + +- [ ] 6. Create filtering tests + - [ ] 6.1 Create filtering-tests.ts + - Test each notification type is correctly identified + - Test filtering logic with multiple types + - Test backward compatibility + - _Requirements: 5.1, 5.2, 5.3, 5.4_ + + - [ ] 6.2 Add unit tests for each notification type + - Test CREATION events + - Test DELIVERY events + - Test ACKNOWLEDGMENT events + - Test EXPIRATION events + - Test PAUSE/UNPAUSE events + - _Requirements: 5.1, 5.4_ + + - [ ] 6.3 Add backward compatibility tests + - Test that old event listeners still work + - Test that missing notificationType is handled + - _Requirements: 3.1, 3.2, 3.3, 3.4_ + + - [ ] 6.4 Add filtering logic tests + - Test filterEventsByType() with single type + - Test filterEventsByType() with multiple types + - Test filtering performance + - _Requirements: 5.1, 5.2, 5.3_ + +- [ ] 7. Update documentation + - [ ] 7.1 Document notification types in API documentation + - List all notification types + - Explain when each type is emitted + - _Requirements: 4.4_ + + - [ ] 7.2 Add filtering examples to documentation + - Example: Filter for creation events only + - Example: Filter for delivery and acknowledgment + - Example: Exclude expiration events + - _Requirements: 4.3, 4.4_ + + - [ ] 7.3 Document backward compatibility + - Explain how old listeners work with new events + - Provide migration guide + - _Requirements: 3.1, 3.2, 3.3, 3.4_ + +- [ ] 8. Create integration tests + - [ ] 8.1 Test end-to-end event emission with type + - Create notification → Verify type is CREATION + - Deliver notification → Verify type is DELIVERY + - _Requirements: 5.1, 5.2_ + + - [ ] 8.2 Test filtering in real listener scenarios + - Subscribe to only DELIVERY events + - Verify only DELIVERY events are processed + - _Requirements: 4.1, 4.2, 4.3_ + + - [ ] 8.3 Test multi-type subscription + - Subscribe to CREATION and DELIVERY + - Verify both types received + - _Requirements: 4.2_ + +- [ ] 9. Performance validation + - [ ] 9.1 Verify filtering doesn't impact event throughput + - Benchmark event processing with/without filtering + - _Requirements: 4.3_ + + - [ ] 9.2 Verify minimal storage overhead + - Confirm notificationType adds minimal size + - _Requirements: 1.1_ + +- [ ] 10. Final testing checkpoint + - [ ] 10.1 Run all tests + - Ensure no regressions + - Verify all requirements met + - _Requirements: 5.1, 5.2, 5.3, 5.4_ + + - [ ] 10.2 Verify backward compatibility + - Test with old listener code + - Confirm no breaking changes + - _Requirements: 3.1, 3.2, 3.3, 3.4_ + +## Notes + +- NotificationType is additive - no existing fields are changed +- Filtering can be done at consumer level or in listener +- Documentation should include migration guide for new filtering +- All existing listeners should continue to work without code changes +- Consider adding notificationType index for query performance \ No newline at end of file From a4109af5f4e5b61315bd7472281d540893dec368 Mon Sep 17 00:00:00 2001 From: vicajohn Date: Sat, 25 Jul 2026 17:44:14 +0100 Subject: [PATCH 3/6] Add batch notification creation spec --- .../batch-notification-creation/.config.kiro | 1 + .../batch-notification-creation/design.md | 90 +++++++ .../requirements.md | 75 ++++++ .../batch-notification-creation/tasks.md | 250 ++++++++++++++++++ 4 files changed, 416 insertions(+) create mode 100644 .kiro/specs/batch-notification-creation/.config.kiro create mode 100644 .kiro/specs/batch-notification-creation/design.md create mode 100644 .kiro/specs/batch-notification-creation/requirements.md create mode 100644 .kiro/specs/batch-notification-creation/tasks.md diff --git a/.kiro/specs/batch-notification-creation/.config.kiro b/.kiro/specs/batch-notification-creation/.config.kiro new file mode 100644 index 00000000..97ea20d3 --- /dev/null +++ b/.kiro/specs/batch-notification-creation/.config.kiro @@ -0,0 +1 @@ +{"specId": "batch-notification-creation", "workflowType": "requirements-first", "specType": "feature"} \ No newline at end of file diff --git a/.kiro/specs/batch-notification-creation/design.md b/.kiro/specs/batch-notification-creation/design.md new file mode 100644 index 00000000..65606031 --- /dev/null +++ b/.kiro/specs/batch-notification-creation/design.md @@ -0,0 +1,90 @@ +# Design Document + +## Overview + +This design implements batch notification creation to improve efficiency and reduce gas costs for organizations creating multiple notifications. + +## Architecture + +### Function Signature + +```rust +pub fn create_notification_batch( + env: &Env, + organization: Address, + notifications: Vec, + max_batch_size: u32, +) -> Result, Error> +``` + +### Data Structures + +```rust +pub struct NotificationParams { + pub recipient: Address, + pub title: String, + pub content: String, + pub expiration: u64, +} + +pub struct BatchResult { + pub created_ids: Vec, + pub total_gas_used: u64, +} +``` + +### Processing Flow + +1. **Validation Phase** + - Check authorization (only organization can create) + - Validate batch size (not exceeding max) + - Validate each notification parameters + - Validate recipient addresses + +2. **Creation Phase** + - Create notifications in loop + - Store each in persistent storage + - Collect IDs for return + +3. **Event Emission Phase** + - Emit event for each created notification + - Include batch metadata in events + - Maintain event order + +### Gas Optimization Strategies + +1. **Single State Write**: Batch all writes together +2. **Minimal Copying**: Reuse parameters where possible +3. **Efficient Storage**: Use vec operations instead of individual stores +4. **Early Validation**: Fail fast before any state changes + +### Limitations + +- Maximum 100 notifications per batch (configurable) +- All or nothing: batch fails if any notification fails +- All recipients in a batch created in single transaction +- Cannot mix different notification types in one batch + +## Error Handling + +```rust +pub enum Error { + BatchSizeExceeded, // > max_batch_size + EmptyBatch, // 0 recipients + InvalidRecipient(usize), // Invalid recipient at index + InsufficientFunds, // Not enough balance for batch + Unauthorized, // Not organization owner +} +``` + +## Gas Comparison + +**Individual Creations**: Creating 10 notifications individually +- Per notification: ~5000 gas +- Total: 50,000 gas + +**Batch Creation**: Creating 10 notifications in batch +- Overhead: ~2000 gas +- Per notification: ~3500 gas +- Total: 37,000 gas +- Savings: ~26% \ No newline at end of file diff --git a/.kiro/specs/batch-notification-creation/requirements.md b/.kiro/specs/batch-notification-creation/requirements.md new file mode 100644 index 00000000..0e9c2f2a --- /dev/null +++ b/.kiro/specs/batch-notification-creation/requirements.md @@ -0,0 +1,75 @@ +# Requirements Document + +## Introduction + +This feature introduces a batch notification creation mechanism that allows organizations to create multiple notifications in a single transaction, improving efficiency and reducing gas costs. + +## Glossary + +- **Batch Operation**: Creating multiple notifications in a single transaction +- **Recipient Array**: List of addresses or identifiers for notification recipients +- **Gas Consumption**: Cost in network fees for executing blockchain operations +- **Transaction**: Single atomic operation on the blockchain +- **Notification Creation**: Process of registering a new notification in the system + +## Requirements + +### Requirement 1: Batch Creation Function + +**User Story:** As an organization administrator, I want to create multiple notifications in a single transaction, so that I can reduce operational overhead. + +#### Acceptance Criteria + +1. THE system SHALL support a createNotificationBatch() function +2. THE function SHALL accept an array of notification parameters +3. THE function SHALL process all notifications atomically +4. IF any notification fails validation, THE entire batch SHALL be rejected +5. IF the batch succeeds, ALL notifications SHALL be created + +### Requirement 2: Recipient Array Validation + +**User Story:** As a system administrator, I want invalid recipients to be rejected appropriately, so that malformed batches don't partially succeed. + +#### Acceptance Criteria + +1. THE system SHALL validate each recipient in the batch +2. THE system SHALL reject recipients with invalid format +3. THE system SHALL reject empty recipient arrays +4. THE system SHALL reject null or undefined recipients +5. THE system SHALL support configurable maximum batch size (e.g., 100 recipients per batch) +6. IF validation fails for any recipient, THE entire batch SHALL be rejected + +### Requirement 3: Event Emission + +**User Story:** As an off-chain listener, I want events for each created notification, so that I can track all creations. + +#### Acceptance Criteria + +1. THE system SHALL emit a creation event for each notification in the batch +2. THE events SHALL be emitted in the same transaction +3. EACH event SHALL include the notification ID and recipient +4. THE event order SHALL match the input batch order + +### Requirement 4: Gas Efficiency + +**User Story:** As a cost-conscious organization, I want batch creation to reduce gas costs, so that my operational expenses are lower. + +#### Acceptance Criteria + +1. BATCH creation SHALL consume less gas per notification than individual creations +2. GAS savings SHALL be at least 20% for typical batches +3. THE system SHALL NOT include unnecessary data in batch operations +4. LARGER batches SHALL have proportionally greater gas savings + +### Requirement 5: Testing and Documentation + +**User Story:** As a developer, I want comprehensive tests and documentation, so that I can confidently use batch creation. + +#### Acceptance Criteria + +1. UNIT tests SHALL cover single and multiple notifications +2. UNIT tests SHALL cover edge cases (empty batch, max size, invalid recipients) +3. INTEGRATION tests SHALL verify batch creation end-to-end +4. BENCHMARK tests SHALL measure gas consumption +5. DOCUMENTATION SHALL explain limitations and best practices +6. DOCUMENTATION SHALL include examples for 10, 50, and 100 notification batches \ No newline at end of file diff --git a/.kiro/specs/batch-notification-creation/tasks.md b/.kiro/specs/batch-notification-creation/tasks.md new file mode 100644 index 00000000..bb1a7d92 --- /dev/null +++ b/.kiro/specs/batch-notification-creation/tasks.md @@ -0,0 +1,250 @@ +# Implementation Plan: batch-notification-creation + +## Overview + +This implementation plan adds batch notification creation functionality to reduce gas costs and improve operational efficiency for organizations. + +## Tasks + +- [ ] 1. Define batch operation types and structures + - [ ] 1.1 Create NotificationParams struct + - Fields: recipient, title, content, expiration + - _Requirements: 1.1, 1.2_ + + - [ ] 1.2 Create BatchResult struct + - Fields: created_ids, total_gas_used + - _Requirements: 1.1, 4.4_ + + - [ ] 1.3 Define batch size constants + - MAX_BATCH_SIZE = 100 + - MIN_BATCH_SIZE = 1 + - _Requirements: 2.5_ + + - [ ] 1.4 Define error types for batch operations + - BatchSizeExceeded, EmptyBatch, InvalidRecipient, etc. + - _Requirements: 2.2, 2.3, 2.4_ + +- [ ] 2. Implement batch validation logic + - [ ] 2.1 Create validate_batch() function + - Check batch not empty + - Check batch size <= MAX_BATCH_SIZE + - _Requirements: 2.1, 2.3, 2.5_ + + - [ ] 2.2 Create validate_recipients() function + - Check each recipient is valid address + - Check no null/undefined recipients + - Check recipients not empty + - _Requirements: 2.1, 2.2, 2.3, 2.4_ + + - [ ] 2.3 Create validate_notification_params() function + - Validate title not empty + - Validate content not empty + - Validate expiration is valid + - _Requirements: 2.1, 2.2_ + + - [ ] 2.4 Integrate validation into batch function + - Call all validators before processing + - Return error immediately if any fails + - _Requirements: 2.1, 2.2, 2.3, 2.4_ + +- [ ] 3. Implement batch creation core function + - [ ] 3.1 Create create_notification_batch() function + - Accept organization, notifications array, max_batch_size + - Call validators + - Create notifications in loop + - Return array of created IDs + - _Requirements: 1.1, 1.2, 1.3, 1.4, 1.5_ + + - [ ] 3.2 Implement atomic transaction handling + - Ensure all-or-nothing semantics + - Rollback on any error + - _Requirements: 1.4, 1.5_ + + - [ ] 3.3 Implement authorization check + - Verify caller is organization + - Use require_auth for signature verification + - _Requirements: 1.1_ + + - [ ] 3.4 Implement storage of batch metadata + - Store batch ID and creation timestamp + - Store array of notification IDs + - _Requirements: 3.1, 3.2, 3.3_ + +- [ ] 4. Implement event emission for batch + - [ ] 4.1 Emit event for each notification in batch + - Create NotificationCreated event per notification + - Include batch ID in metadata + - _Requirements: 3.1, 3.2, 3.3_ + + - [ ] 4.2 Ensure event order matches input order + - Events emitted in same order as input array + - _Requirements: 3.4_ + + - [ ] 4.3 Include batch metadata in events + - Event should reference batch operation + - Include total batch size + - _Requirements: 3.1, 3.2, 3.3_ + +- [ ] 5. Optimize for gas efficiency + - [ ] 5.1 Minimize state writes in batch operation + - Batch all writes together if possible + - Use efficient data structures + - _Requirements: 4.1, 4.3_ + + - [ ] 5.2 Optimize parameter passing + - Minimize copying of data + - Use references where possible + - _Requirements: 4.1, 4.3_ + + - [ ] 5.3 Profile gas usage before optimization + - Measure baseline gas usage + - Identify hot spots + - _Requirements: 4.2, 4.4_ + +- [ ] 6. Create unit tests for batch operations + - [ ] 6.1 Create batch_tests.rs file + - Set up test infrastructure + - Create test fixtures + - _Requirements: 5.1, 5.2, 5.3_ + + - [ ] 6.2 Test single notification batch + - Create batch with 1 notification + - Verify notification created + - Verify event emitted + - _Requirements: 5.1, 5.6_ + + - [ ] 6.3 Test multiple notification batch + - Create batch with 10 notifications + - Verify all created + - Verify all events emitted in order + - _Requirements: 5.1, 5.2_ + + - [ ] 6.4 Test maximum batch size + - Create batch with MAX_BATCH_SIZE notifications + - Verify all created + - _Requirements: 5.1, 5.2, 5.6_ + + - [ ] 6.5 Test empty batch rejection + - Attempt to create batch with 0 notifications + - Verify EmptyBatch error returned + - _Requirements: 5.1, 2.3_ + + - [ ] 6.6 Test batch size exceeded rejection + - Attempt to create batch with > MAX_BATCH_SIZE + - Verify BatchSizeExceeded error returned + - _Requirements: 5.1, 2.5_ + + - [ ] 6.7 Test invalid recipient rejection + - Attempt batch with invalid address format + - Verify entire batch rejected + - _Requirements: 5.1, 2.2, 2.6_ + + - [ ] 6.8 Test null recipient rejection + - Attempt batch with null recipient + - Verify batch rejected + - _Requirements: 5.1, 2.4, 2.6_ + + - [ ] 6.9 Test batch atomicity - all or nothing + - Create batch where one notification fails + - Verify entire batch rolled back + - Verify no notifications created + - _Requirements: 5.1, 1.4, 1.5_ + + - [ ] 6.10 Test authorization - only organization can create + - Attempt batch creation by non-organization + - Verify Unauthorized error + - _Requirements: 5.1_ + +- [ ] 7. Create integration tests + - [ ] 7.1 Create batch_integration_tests.rs + - Test end-to-end batch creation + - Verify persistence + - _Requirements: 5.3_ + + - [ ] 7.2 Test batch creation with varying sizes + - Test 1, 10, 50, 100 notification batches + - Verify all succeed + - _Requirements: 5.3, 5.6_ + + - [ ] 7.3 Test event emission for large batch + - Create 100 notification batch + - Verify 100 events emitted in order + - _Requirements: 3.1, 3.2, 3.4, 5.3_ + + - [ ] 7.4 Test batch metadata persistence + - Create batch + - Query batch metadata + - Verify all fields present + - _Requirements: 3.1, 3.2, 3.3_ + +- [ ] 8. Create gas benchmarking tests + - [ ] 8.1 Benchmark individual notifications + - Create 10 notifications one by one + - Measure total gas consumed + - _Requirements: 4.2, 4.4, 5.4_ + + - [ ] 8.2 Benchmark batch creation + - Create batch of 10 notifications + - Measure total gas consumed + - Compare against individual + - _Requirements: 4.2, 4.4, 5.4_ + + - [ ] 8.3 Benchmark various batch sizes + - Test 1, 5, 10, 50, 100 notification batches + - Measure gas per notification + - Calculate savings percentage + - _Requirements: 4.1, 4.2, 4.4_ + + - [ ] 8.4 Document gas benchmarks + - Create benchmark report + - Include comparison table + - Include recommendations + - _Requirements: 4.2, 5.5_ + +- [ ] 9. Create usage examples + - [ ] 9.1 Document batch creation API + - Function signature + - Parameter descriptions + - Return value documentation + - _Requirements: 5.5, 5.6_ + + - [ ] 9.2 Provide examples for different batch sizes + - Example: 10 notification batch + - Example: 50 notification batch + - Example: 100 notification batch + - _Requirements: 5.6_ + + - [ ] 9.3 Document error handling + - Document each error type + - Provide recovery recommendations + - _Requirements: 5.5_ + + - [ ] 9.4 Document limitations + - Maximum batch size + - All-or-nothing semantics + - Single notification type per batch + - _Requirements: 5.5_ + +- [ ] 10. Final testing checkpoint + - [ ] 10.1 Run all tests + - Ensure no regressions + - Verify all requirements met + - _Requirements: 5.1, 5.2, 5.3_ + + - [ ] 10.2 Verify gas efficiency targets + - Confirm >= 20% savings + - Document actual savings + - _Requirements: 4.1, 4.2, 4.4_ + + - [ ] 10.3 Code review preparation + - Ensure code quality + - Add comments and documentation + - _Requirements: 5.5, 5.6_ + +## Notes + +- All-or-nothing atomicity is critical - batch fails completely if any notification fails +- Gas optimization should be measured and documented +- Examples should cover common batch sizes (10, 50, 100) +- Consider adding metrics collection for gas measurements +- Documentation should explain when to use batch vs individual creation \ No newline at end of file From e66fe2e949ceceb07443d53cb12a838297793450 Mon Sep 17 00:00:00 2001 From: vicajohn Date: Fri, 28 Aug 2026 14:52:12 +0100 Subject: [PATCH 4/6] feat: add spec for expanding payload validation tests - Add comprehensive requirements covering 10 key validation areas - Include design with dual testing approach (unit + property-based) - Define 8 correctness properties for formal validation - Create 30+ actionable implementation tasks organized in 5 phases - Target 95% line coverage and 100% branch coverage --- .../.config.kiro | 1 + .../expand-payload-validation-tests/design.md | 464 ++++++++++++++++++ .../requirements.md | 141 ++++++ .../expand-payload-validation-tests/tasks.md | 254 ++++++++++ 4 files changed, 860 insertions(+) create mode 100644 .kiro/specs/expand-payload-validation-tests/.config.kiro create mode 100644 .kiro/specs/expand-payload-validation-tests/design.md create mode 100644 .kiro/specs/expand-payload-validation-tests/requirements.md create mode 100644 .kiro/specs/expand-payload-validation-tests/tasks.md diff --git a/.kiro/specs/expand-payload-validation-tests/.config.kiro b/.kiro/specs/expand-payload-validation-tests/.config.kiro new file mode 100644 index 00000000..5b8605d0 --- /dev/null +++ b/.kiro/specs/expand-payload-validation-tests/.config.kiro @@ -0,0 +1 @@ +{"specId": "4ee186a6-a5fb-4b74-9da9-7a7fb57ffa5d", "workflowType": "requirements-first", "specType": "feature"} diff --git a/.kiro/specs/expand-payload-validation-tests/design.md b/.kiro/specs/expand-payload-validation-tests/design.md new file mode 100644 index 00000000..9f5c81f3 --- /dev/null +++ b/.kiro/specs/expand-payload-validation-tests/design.md @@ -0,0 +1,464 @@ +# Design Document: Expand Payload Validation Tests + +## Overview + +This design expands automated test coverage for the `metadata_validation` module to achieve comprehensive validation of all payload scenarios. The testing strategy targets 95% line coverage and 100% branch coverage through a dual approach of property-based testing and targeted unit tests organized by validation category. + +The current implementation validates notification payloads across six dimensions: +1. Required field presence (title must exist and be non-empty) +2. String length constraints (individual fields capped at 256 bytes) +3. Optional field handling (description, data_uri, custom_fields) +4. Custom field structure (up to 20 key-value pairs, each constrained) +5. Total metadata size constraints (4096 byte limit) +6. Type/encoding validation (UTF-8 strings) + +The expanded test suite will systematically cover each dimension with both positive and negative cases, boundary values, and edge cases. + +## Architecture + +### Test Organization Structure + +Tests are organized into six logical categories mirroring the validation rules: + +``` +payload_validation_test.rs +├── Required Fields Tests +│ ├── Valid title acceptance +│ ├── Empty title rejection +│ ├── Null title rejection +│ └── Whitespace-only title rejection +├── Length Constraint Tests +│ ├── Title boundary tests (256, 257 bytes) +│ ├── Description boundary tests +│ ├── Data URI boundary tests +│ └── Custom field key/value boundary tests +├── Optional Field Tests +│ ├── Missing field acceptance +│ ├── None value acceptance +│ └── Valid optional field acceptance +├── Custom Field Structure Tests +│ ├── None custom_fields acceptance +│ ├── Empty map acceptance +│ ├── Maximum field count acceptance +│ ├── Over-maximum rejection +│ └── Duplicate key handling +├── Size Constraint Tests +│ ├── Exact size boundary (4096 bytes) +│ ├── Over-size rejection (4097 bytes) +│ └── Combined maximum-length fields tests +└── Edge Case Tests + ├── Single-character title + ├── Unicode and emoji in title + ├── Control characters in fields + ├── Empty string keys/values + └── Complex multi-field scenarios +``` + +### Test Naming Convention + +Test names follow a descriptive pattern: `test_{component}_{scenario}_{boundary|variant}` + +Examples: +- `test_title_empty_rejected` — tests empty title rejection +- `test_title_at_max_length_accepted` — tests title at exact boundary +- `test_custom_fields_count_over_max_rejected` — tests field count limit +- `test_metadata_size_at_exact_boundary_accepted` — tests size boundary +- `test_complex_all_fields_maximum_length_accepted` — tests complex scenario + +## Components and Interfaces + +### Validation Module Interface + +The test suite validates against two core functions: + +```rust +pub fn validate_metadata(metadata: &NotificationMetadata) -> Result<(), Error> +pub fn validate_metadata_size(metadata: &NotificationMetadata) -> Result<(), Error> +``` + +**NotificationMetadata Structure:** +```rust +pub struct NotificationMetadata { + pub title: String, // Required, 1-256 bytes + pub description: Option, // Optional, 0-256 bytes + pub data_uri: Option, // Optional, 0-256 bytes + pub custom_fields: Option>, // Optional, 0-20 fields, each 0-256 bytes +} +``` + +**Constants:** +- `MAX_METADATA_STRING_LENGTH = 256` bytes +- `MAX_METADATA_FIELDS = 20` +- `MAX_METADATA_SIZE = 4096` bytes + +### Test Data Generators + +Custom generators produce boundary-value test data: + +```rust +fn generate_string_at_length(env: &Env, length: u32) -> String +fn generate_string_over_length(env: &Env, length: u32) -> String +fn generate_custom_fields(env: &Env, count: u32) -> Map +fn generate_metadata_at_size_boundary(env: &Env, target_size: u32) -> NotificationMetadata +fn generate_unicode_string(env: &Env) -> String +fn generate_control_character_string(env: &Env) -> String +``` + +### Test Utilities and Helpers + +Helper functions support test execution and validation: + +```rust +// Assertion helpers +fn assert_validation_ok(result: Result<(), Error>) +fn assert_validation_rejected_with_invalid_input(result: Result<(), Error>) + +// Metadata builders +fn metadata_with_title(env: &Env, title: &str) -> NotificationMetadata +fn metadata_builder(env: &Env) -> MetadataBuilder + +// Size calculations +fn calculate_metadata_size(metadata: &NotificationMetadata) -> u32 +``` + +## Data Models + +### Test Data Categories + +**1. Required Field Tests** +- Empty strings: `""` +- Null/None values +- Whitespace variations: ` `, `\t`, `\n` +- Valid titles: `"Test"`, `"1"`, `"A"`, unicode strings + +**2. Boundary Value Tests** +- Exactly 256 bytes (valid boundary) +- Exactly 257 bytes (invalid boundary) +- For custom fields: 0, 1, 20, 21 fields + +**3. Edge Cases** +- Single character: `"A"` +- Unicode: `"🚀"`, `"你好"` +- Control characters: `"\n"`, `"\r"`, `"\t"` +- Mixed multi-byte UTF-8 sequences + +**4. Complex Scenarios** +- All three optional fields at max length +- Maximum custom fields with valid content +- Combinations totaling exactly 4096 bytes +- Combinations totaling over 4096 bytes + +### Size Estimation + +Total metadata size is calculated as the sum of: +- Title length (bytes) +- Description length (bytes) if present +- Data URI length (bytes) if present +- Sum of all custom field key lengths (bytes) +- Sum of all custom field value lengths (bytes) + +No serialization overhead is included in the estimation — only raw string lengths. + +## Correctness Properties + +*A property is a characteristic or behavior that should hold true across all valid executions of a system—essentially, a formal statement about what the system should do. Properties serve as the bridge between human-readable specifications and machine-verifiable correctness guarantees.* + +### Property 1: Valid non-empty titles are always accepted + +*For any* notification metadata with a non-empty, non-whitespace title of length 1 to 256 bytes, `validate_metadata()` should return `Ok(())`. + +**Validates: Requirements 1.3** + +### Property 2: All string fields respect maximum length constraint + +*For any* notification metadata where all string fields (title, description, data_uri, and all custom field keys/values) are at most 256 bytes, `validate_metadata()` should return `Ok(())`. + +**Validates: Requirements 2.1, 2.3, 2.5, 2.7, 2.9** + +### Property 3: Any string field exceeding 256 bytes is rejected + +*For any* notification metadata where at least one string field exceeds 256 bytes, `validate_metadata()` should return `Err(Error::InvalidInput)`. + +**Validates: Requirements 2.2, 2.4, 2.6, 2.8, 2.10** + +### Property 4: Optional fields can be absent without rejection + +*For any* notification metadata where description and/or data_uri are `None`, and custom_fields is `None`, `validate_metadata()` should return `Ok(())` if the title is valid. + +**Validates: Requirements 3.1, 3.2, 3.4, 3.5, 4.1** + +### Property 5: Custom field count respects maximum constraint + +*For any* notification metadata with 0 to 20 custom fields where all keys and values are at most 256 bytes, `validate_metadata()` should return `Ok(())`. Conversely, metadata with 21 or more custom fields should return `Err(Error::InvalidInput)`. + +**Validates: Requirements 4.2, 4.3, 4.4** + +### Property 6: Total metadata size is enforced + +*For any* notification metadata where the sum of all field lengths (title + description + data_uri + all custom field keys and values) does not exceed 4096 bytes, `validate_metadata_size()` should return `Ok(())`. When the sum exceeds 4096 bytes, it should return `Err(Error::InvalidInput)`. + +**Validates: Requirements 5.1, 5.2, 5.3, 5.4** + +### Property 7: UTF-8 encoded strings are validated consistently + +*For any* notification metadata composed entirely of valid UTF-8 encoded strings, including unicode characters and multi-byte sequences, validation should succeed if all other constraints are satisfied. + +**Validates: Requirements 6.1, 6.2, 6.3, 6.4** + +### Property 8: Complex payloads with all fields at maximum valid sizes are accepted + +*For any* notification metadata where title, description, data_uri, and custom fields (up to 20) are all populated with valid content such that the total size does not exceed 4096 bytes, both `validate_metadata()` and `validate_metadata_size()` should return `Ok(())`. + +**Validates: Requirements 8.1, 8.3, 8.4** + +## Error Handling + +### Validation Errors + +The validation module returns a single error type for all validation failures: + +```rust +Error::InvalidInput +``` + +Error conditions: +- Empty or null title +- Any string field exceeds 256 bytes +- Custom field count exceeds 20 +- Total metadata size exceeds 4096 bytes +- Whitespace-only title (treated as invalid) + +### Test Error Assertions + +Each test case asserts either: +1. `assert!(result.is_ok())` — validation passed +2. `assert!(result.is_err())` — validation rejected with error + +No error message inspection is required; all validation failures produce the same error type. + +## Testing Strategy + +### Dual Testing Approach + +The test suite employs two complementary testing techniques: + +**Unit Tests (Targeted Examples)** +- Specific boundary values (256, 257, 0, 1, 20, 21) +- Concrete invalid cases (empty strings, over-max fields) +- Edge cases (single character, unicode, control characters) +- Complex scenarios (all fields at maximum) +- Approximately 40-50 individual unit tests + +**Property-Based Tests (Universal Quantification)** +- Random valid payloads always pass validation +- Random invalid payloads always fail validation +- Randomly generated strings preserve validation semantics +- Custom field combinations respect count and size constraints +- Approximately 8 property-based tests, each running 100+ iterations + +### Unit Test Coverage by Category + +1. **Required Fields (8 tests)** + - Valid non-empty titles + - Empty title rejection + - Null title handling + - Whitespace-only rejection + +2. **Length Constraints (16 tests)** + - Title at/over boundary (4 tests) + - Description at/over boundary (4 tests) + - Data URI at/over boundary (4 tests) + - Custom field key/value at/over boundary (4 tests) + +3. **Optional Fields (6 tests)** + - Missing description + - None description + - Valid description + - Missing data_uri + - None data_uri + - Valid data_uri + +4. **Custom Field Structure (8 tests)** + - None custom_fields + - Empty custom_fields + - Exactly 20 fields + - 21 fields (over limit) + - Duplicate keys with valid values + - Empty string key/value handling + +5. **Size Constraints (6 tests)** + - Exactly 4096 bytes (accept) + - 4097 bytes (reject) + - Max title + description + data_uri within limit + - Max title + 20 custom fields within limit + - Multiple small fields exceeding limit + +6. **Edge Cases (8 tests)** + - Single character title + - Unicode characters (emoji) + - Control characters + - Numeric-only title + - Complex: all fields maximum and within size + +7. **Property Tests (8 tests)** + - Valid payloads always pass + - Invalid single-field violations always fail + - String length distribution over random values + - Custom field count distribution + - Size accumulation across fields + - UTF-8 character handling + - Boundary condition robustness + +### Coverage Reporting + +**Line Coverage Goals:** +- `metadata_validation.rs`: 95% minimum +- `validate_metadata()` function: 100% +- `validate_metadata_size()` function: 100% +- Helper functions: 95%+ + +**Branch Coverage Goals:** +- `validate_metadata()`: 100% (all if/else branches) +- `validate_metadata_size()`: 100% (both pass/fail paths) + +**Coverage Tools:** +- Use `llvm-cov` for Rust test coverage reporting +- Generate coverage reports after each test run +- Coverage must be verified before merging + +**Coverage Mapping:** +Each test includes a comment documenting which requirements it validates: +```rust +// Validates: Requirement 2.1 - Title exactly at MAX_METADATA_STRING_LENGTH +#[test] +fn test_title_at_max_length_accepted() { ... } +``` + +A mapping document tracks test-to-requirement associations: +``` +Title Boundary Tests: + - test_title_at_max_length_accepted → Requirement 2.1, Property 2 + - test_title_over_max_length_rejected → Requirement 2.2, Property 3 + - test_title_empty_rejected → Requirement 1.1, Property 1 + ... +``` + +## Test Case Documentation Strategy + +### Module-Level Documentation + +Each test file includes comprehensive module documentation: + +```rust +//! Payload Validation Tests +//! +//! This module validates the metadata_validation module through a systematic +//! approach organized by validation rule category. +//! +//! ## Test Organization +//! +//! Tests are organized into six categories: +//! 1. **Required Fields** — Validate that required fields (title) are present and non-empty +//! 2. **Length Constraints** — Validate that all string fields respect MAX_METADATA_STRING_LENGTH (256 bytes) +//! 3. **Optional Fields** — Validate that optional fields (description, data_uri, custom_fields) can be absent +//! 4. **Custom Field Structure** — Validate custom_fields map constraints (count, key/value lengths) +//! 5. **Size Constraints** — Validate total metadata size does not exceed 4096 bytes +//! 6. **Edge Cases** — Validate handling of boundary values, unicode, control characters +//! +//! ## Coverage Approach +//! +//! The suite combines unit tests for specific scenarios with property-based tests for universal properties. +//! Combined coverage targets: 95% line coverage, 100% branch coverage for core validation functions. +//! +//! ## Test Data Generation +//! +//! Boundary values and edge cases are generated using dedicated helper functions to ensure +//! consistency and reproducibility across test categories. +``` + +### Individual Test Documentation + +Each test case includes clear documentation: + +```rust +/// Tests that a title exactly at MAX_METADATA_STRING_LENGTH (256 bytes) is accepted. +/// +/// This validates Requirement 2.1: "WHEN a payload has a title exactly at +/// MAX_METADATA_STRING_LENGTH (256 bytes), THE Payload_Validator SHALL accept it" +/// +/// Validates: Requirement 2.1, Property 2: All string fields respect maximum length constraint +/// Category: Length Constraints — Boundary Values +#[test] +fn test_title_at_max_length_accepted() { + // implementation +} +``` + +### Documentation Coverage Mapping + +A generated table documents coverage: + +``` +| Requirement | Test Case | Test Type | Property Covered | Status | +|-------------|-----------|-----------|------------------|--------| +| 1.1 | test_title_empty_rejected | Unit | Property 1 | ✓ | +| 1.2 | test_title_null_rejected | Unit | Property 1 | ✓ | +| 1.3 | test_title_valid_accepted | Unit | Property 1 | ✓ | +| 1.4 | test_title_whitespace_rejected | Edge | Property 1 | ✓ | +| 2.1 | test_title_at_max_length_accepted | Unit | Property 2 | ✓ | +... +``` + +### Helper Function Documentation + +Each test helper includes inline documentation: + +```rust +/// Generates a string of exactly `length` bytes of valid UTF-8 content. +/// +/// Used for boundary value testing at MAX_METADATA_STRING_LENGTH and size limits. +fn generate_string_at_length(env: &Env, length: u32) -> String { + // implementation +} + +/// Generates a map with exactly `count` custom fields, each with valid 256-byte +/// key and value strings. +/// +/// Used for testing custom field count boundaries (0, 20, 21 fields). +fn generate_custom_fields(env: &Env, count: u32) -> Map { + // implementation +} +``` + +## Implementation Approach + +### Phase 1: Test Infrastructure (Week 1) +1. Create test data generators for boundary values +2. Implement test helper functions +3. Set up test environment and utilities +4. Establish coverage measurement baseline + +### Phase 2: Core Unit Tests (Week 2) +1. Implement required field tests (8 tests) +2. Implement length constraint tests (16 tests) +3. Implement optional field tests (6 tests) +4. Run coverage analysis and identify gaps + +### Phase 3: Complex Tests (Week 3) +1. Implement custom field structure tests (8 tests) +2. Implement size constraint tests (6 tests) +3. Implement edge case tests (8 tests) +4. Verify coverage reaches 95% line and 100% branch + +### Phase 4: Property-Based Tests (Week 4) +1. Implement property-based test framework +2. Create 8 property-based tests with 100+ iterations each +3. Integrate coverage reporting +4. Finalize documentation and coverage mapping + +### Phase 5: Documentation (Week 5) +1. Complete inline test documentation +2. Generate coverage reports +3. Create requirement-to-test mapping +4. Verify all requirements are covered + diff --git a/.kiro/specs/expand-payload-validation-tests/requirements.md b/.kiro/specs/expand-payload-validation-tests/requirements.md new file mode 100644 index 00000000..08d3a6bc --- /dev/null +++ b/.kiro/specs/expand-payload-validation-tests/requirements.md @@ -0,0 +1,141 @@ +# Requirements Document: Expand Payload Validation Tests + +## Introduction + +The notification contract system currently validates notification payloads across multiple dimensions: metadata structure, size constraints, field lengths, and type constraints. This feature expands automated test coverage to ensure comprehensive validation of all payload scenarios, including invalid inputs, edge cases, and boundary conditions. The goal is to increase test coverage percentage while documenting all validation rules through executable test cases. + +## Glossary + +- **Payload**: The complete notification data structure containing metadata (title, description, data_uri, custom_fields) +- **Metadata**: Structured information about a notification including title, description, URI reference, and custom key-value pairs +- **Validation Rule**: A constraint that must be satisfied for a payload to be accepted (e.g., non-empty title, maximum length constraints) +- **Edge Case**: A boundary condition or extreme input value that tests the limits of validation rules +- **Invalid Payload**: A payload that violates one or more validation rules and should be rejected +- **Coverage Percentage**: The percentage of validation code paths that are executed by automated tests +- **Metadata_Validator**: The component responsible for validating notification metadata structures and constraints +- **Payload_Validator**: The system that validates complete payload structures before storage +- **Boundary Value**: The exact limit of a constraint (e.g., MAX_METADATA_STRING_LENGTH = 256 bytes) + +## Requirements + +### Requirement 1: Validate Required Metadata Fields + +**User Story:** As a contract developer, I want to ensure that required metadata fields are validated, so that notifications cannot be created with incomplete data. + +#### Acceptance Criteria + +1. WHEN a payload is provided with an empty title, THE Payload_Validator SHALL reject it with InvalidInput error +2. WHEN a payload is provided with a null or missing title, THE Payload_Validator SHALL reject it with InvalidInput error +3. WHEN a payload is provided with a valid non-empty title, THE Payload_Validator SHALL accept it +4. WHEN a payload is provided with title containing only whitespace, THE Payload_Validator SHALL reject it with InvalidInput error + +### Requirement 2: Validate Metadata String Length Constraints + +**User Story:** As a contract operator, I want to enforce maximum length constraints on metadata strings, so that storage bloat is prevented and gas costs remain predictable. + +#### Acceptance Criteria + +1. WHEN a payload has a title exactly at MAX_METADATA_STRING_LENGTH (256 bytes), THE Payload_Validator SHALL accept it +2. WHEN a payload has a title one byte over MAX_METADATA_STRING_LENGTH (257 bytes), THE Payload_Validator SHALL reject it with InvalidInput error +3. WHEN a payload has a description exactly at MAX_METADATA_STRING_LENGTH (256 bytes), THE Payload_Validator SHALL accept it +4. WHEN a payload has a description one byte over MAX_METADATA_STRING_LENGTH (257 bytes), THE Payload_Validator SHALL reject it with InvalidInput error +5. WHEN a payload has a data_uri exactly at MAX_METADATA_STRING_LENGTH (256 bytes), THE Payload_Validator SHALL accept it +6. WHEN a payload has a data_uri one byte over MAX_METADATA_STRING_LENGTH (257 bytes), THE Payload_Validator SHALL reject it with InvalidInput error +7. WHEN a payload contains custom field keys at MAX_METADATA_STRING_LENGTH, THE Payload_Validator SHALL accept them +8. WHEN a payload contains custom field keys exceeding MAX_METADATA_STRING_LENGTH, THE Payload_Validator SHALL reject it with InvalidInput error +9. WHEN a payload contains custom field values at MAX_METADATA_STRING_LENGTH, THE Payload_Validator SHALL accept them +10. WHEN a payload contains custom field values exceeding MAX_METADATA_STRING_LENGTH, THE Payload_Validator SHALL reject it with InvalidInput error + +### Requirement 3: Validate Optional Metadata Fields + +**User Story:** As a contract developer, I want optional metadata fields to be validated when present, so that optional fields don't bypass validation constraints. + +#### Acceptance Criteria + +1. WHEN a payload with no description field is provided, THE Payload_Validator SHALL accept it +2. WHEN a payload with description set to None is provided, THE Payload_Validator SHALL accept it +3. WHEN a payload with a valid description is provided, THE Payload_Validator SHALL accept it +4. WHEN a payload with no data_uri field is provided, THE Payload_Validator SHALL accept it +5. WHEN a payload with data_uri set to None is provided, THE Payload_Validator SHALL accept it +6. WHEN a payload with a valid data_uri is provided, THE Payload_Validator SHALL accept it + +### Requirement 4: Validate Custom Metadata Fields Structure + +**User Story:** As a contract developer, I want to ensure custom metadata fields are properly constrained, so that malformed custom metadata doesn't compromise contract state. + +#### Acceptance Criteria + +1. WHEN a payload with custom_fields set to None is provided, THE Payload_Validator SHALL accept it +2. WHEN a payload with zero custom fields is provided, THE Payload_Validator SHALL accept it +3. WHEN a payload with exactly MAX_METADATA_FIELDS (20) custom fields is provided, THE Payload_Validator SHALL accept it +4. WHEN a payload with one more than MAX_METADATA_FIELDS (21) custom fields is provided, THE Payload_Validator SHALL reject it with InvalidInput error +5. WHEN a payload contains duplicate custom field keys, THE Payload_Validator SHALL still validate each field's value length separately +6. WHEN custom_fields contains a field with empty string key, THE Payload_Validator SHALL accept it if the key length is within bounds +7. WHEN custom_fields contains a field with empty string value, THE Payload_Validator SHALL accept it if the value is present + +### Requirement 5: Validate Metadata Total Size + +**User Story:** As a contract operator, I want to enforce a maximum total metadata size, so that storage bloat is prevented even when individual fields are valid. + +#### Acceptance Criteria + +1. WHEN a payload's estimated total size is exactly at MAX_METADATA_SIZE (4096 bytes), THE Payload_Validator SHALL accept it +2. WHEN a payload's estimated total size is one byte over MAX_METADATA_SIZE (4097 bytes), THE Payload_Validator SHALL reject it with InvalidInput error +3. WHEN a payload combines maximum-length title, description, data_uri, and multiple custom fields totaling over 4096 bytes, THE Payload_Validator SHALL reject it with InvalidInput error +4. WHEN a payload has many small custom fields that collectively exceed 4096 bytes, THE Payload_Validator SHALL reject it with InvalidInput error + +### Requirement 6: Validate Payload Type Constraints + +**User Story:** As a contract developer, I want to validate that payload fields have correct types and encoding, so that type mismatches don't cause runtime errors. + +#### Acceptance Criteria + +1. WHEN a payload has a title that is a valid UTF-8 string, THE Payload_Validator SHALL accept it +2. WHEN a payload has a description that is a valid UTF-8 string, THE Payload_Validator SHALL accept it +3. WHEN a payload has a data_uri that is a valid UTF-8 string, THE Payload_Validator SHALL accept it +4. WHEN custom_fields contains valid UTF-8 strings in both keys and values, THE Payload_Validator SHALL accept it + +### Requirement 7: Validate Edge Cases for Empty Payloads + +**User Story:** As a QA engineer, I want edge cases for minimal payloads to be tested, so that the smallest valid payload is properly validated. + +#### Acceptance Criteria + +1. WHEN a payload contains only a single-character title, THE Payload_Validator SHALL accept it +2. WHEN a payload contains a title with special characters (e.g., emoji, unicode), THE Payload_Validator SHALL accept it if within length bounds +3. WHEN a payload contains a title with newlines or control characters, THE Payload_Validator SHALL accept it if within length bounds +4. WHEN a payload contains a title with only numeric characters, THE Payload_Validator SHALL accept it + +### Requirement 8: Validate Complex Multi-Field Scenarios + +**User Story:** As a contract developer, I want complex payload combinations to be validated correctly, so that realistic notification scenarios work reliably. + +#### Acceptance Criteria + +1. WHEN a payload contains maximum-length title AND maximum-length description AND maximum-length data_uri, THE Payload_Validator SHALL accept it if total size under 4096 bytes +2. WHEN a payload contains maximum-length title AND zero custom fields, THE Payload_Validator SHALL accept it +3. WHEN a payload contains valid title AND maximum number of custom fields with valid content, THE Payload_Validator SHALL accept it if total size under 4096 bytes +4. WHEN a payload contains valid title AND all optional fields are populated with maximum-length content, THE Payload_Validator SHALL accept it if total size under 4096 bytes + +### Requirement 9: Test Coverage Metrics + +**User Story:** As a team lead, I want clear visibility into test coverage for payload validation, so that coverage goals are measurable and achievable. + +#### Acceptance Criteria + +1. WHEN all payload validation tests are executed, THE test suite SHALL achieve at least 95% line coverage for metadata_validation module +2. WHEN all payload validation tests are executed, THE test suite SHALL achieve at least 100% branch coverage for validation_metadata function +3. WHEN all payload validation tests are executed, THE test suite SHALL achieve at least 100% branch coverage for validate_metadata_size function +4. THE test suite SHALL document which validation rules are covered by which specific test cases +5. THE test suite execution output SHALL clearly report coverage percentage for each validation function + +### Requirement 10: Test Documentation and Organization + +**User Story:** As a developer onboarding to the project, I want test code to be well-organized and documented, so that I can quickly understand what scenarios are tested and why. + +#### Acceptance Criteria + +1. THE payload validation test module SHALL organize tests by validation rule category (required fields, length constraints, optional fields, size constraints, edge cases, complex scenarios) +2. EACH test case SHALL include a clear comment explaining what validation rule is being tested +3. EACH test case name SHALL clearly indicate what scenario is being validated (e.g., test_title_at_boundary, test_oversized_custom_fields) +4. THE test module SHALL include module-level documentation explaining the testing strategy and coverage approach diff --git a/.kiro/specs/expand-payload-validation-tests/tasks.md b/.kiro/specs/expand-payload-validation-tests/tasks.md new file mode 100644 index 00000000..aabba980 --- /dev/null +++ b/.kiro/specs/expand-payload-validation-tests/tasks.md @@ -0,0 +1,254 @@ +# Implementation Plan: Expand Payload Validation Tests + +## Overview + +This implementation plan converts the design's 5-phase approach into actionable coding tasks. The test suite will achieve comprehensive coverage of the `metadata_validation` module through systematic unit tests, property-based tests, and documentation. Each task builds incrementally, with property-based tests integrated near implementation to catch errors early. + +## Tasks + +- [ ] 1. Phase 1: Test Infrastructure Setup + - [ ] 1.1 Create test data generator functions + - Implement `generate_string_at_length(env: &Env, length: u32) -> String` + - Implement `generate_string_over_length(env: &Env, length: u32) -> String` + - Implement `generate_custom_fields(env: &Env, count: u32) -> Map` + - Implement `generate_unicode_string(env: &Env) -> String` + - Implement `generate_control_character_string(env: &Env) -> String` + - File: `contract/contracts/hello-world/src/tests/payload_validation_test.rs` + - _Requirements: 9.1, 9.2, 9.3, 10.1_ + + - [ ] 1.2 Create test helper and assertion functions + - Implement `assert_validation_ok(result: Result<(), Error>)` + - Implement `assert_validation_rejected_with_invalid_input(result: Result<(), Error>)` + - Implement `metadata_with_title(env: &Env, title: &str) -> NotificationMetadata` + - Implement `calculate_metadata_size(metadata: &NotificationMetadata) -> u32` + - File: `contract/contracts/hello-world/src/tests/payload_validation_test.rs` + - _Requirements: 9.1, 10.1, 10.2_ + + - [ ] 1.3 Add module-level documentation and establish test organization structure + - Write module-level doc comment explaining test organization (6 categories) + - Write doc comments for test data generators + - Write doc comments for test helper functions + - Document coverage approach and test strategy + - File: `contract/contracts/hello-world/src/tests/payload_validation_test.rs` + - _Requirements: 10.1, 10.2, 10.4_ + + - [ ]* 1.4 Set up coverage measurement baseline + - Configure `llvm-cov` for test coverage reporting + - Establish baseline coverage metrics for `metadata_validation.rs` + - Document coverage configuration + - File: `contract/contracts/hello-world/` configuration + - _Requirements: 9.1, 9.5_ + +- [ ] 2. Phase 2: Core Unit Tests — Required and Optional Fields + - [ ] 2.1 Implement required field validation tests + - Implement `test_title_valid_accepted()` — valid non-empty title + - Implement `test_title_empty_rejected()` — empty title rejection + - Implement `test_title_null_rejected()` — null title rejection + - Implement `test_title_whitespace_rejected()` — whitespace-only rejection + - File: `contract/contracts/hello-world/src/tests/payload_validation_test.rs` + - _Requirements: 1.1, 1.2, 1.3, 1.4, Property 1_ + + - [ ]* 2.2 Write property test for required fields validation + - **Property 1: Valid non-empty titles are always accepted** + - **Validates: Requirements 1.3** + - Implement property-based test with 100+ iterations + - Generate random non-empty, non-whitespace titles (1-256 bytes) + - Verify all pass validation + - File: `contract/contracts/hello-world/src/tests/payload_validation_test.rs` + - _Requirements: 1.3, Property 1_ + + - [ ] 2.3 Implement optional field validation tests + - Implement `test_description_missing_accepted()` — missing description + - Implement `test_description_none_accepted()` — None description + - Implement `test_description_valid_accepted()` — valid description + - Implement `test_data_uri_missing_accepted()` — missing data_uri + - Implement `test_data_uri_none_accepted()` — None data_uri + - Implement `test_data_uri_valid_accepted()` — valid data_uri + - File: `contract/contracts/hello-world/src/tests/payload_validation_test.rs` + - _Requirements: 3.1, 3.2, 3.3, 3.4, 3.5, 3.6, Property 4_ + + - [ ]* 2.4 Write property test for optional fields validation + - **Property 4: Optional fields can be absent without rejection** + - **Validates: Requirements 3.1, 3.2, 3.4, 3.5** + - Implement property-based test with 100+ iterations + - Generate payloads with random combinations of absent/present optional fields + - Verify all with valid titles pass validation + - File: `contract/contracts/hello-world/src/tests/payload_validation_test.rs` + - _Requirements: 3.1, 3.2, 3.4, 3.5, Property 4_ + + - [ ] 2.5 Checkpoint — Verify Phase 2 tests pass + - Run all Phase 2 tests: `cargo test payload_validation` + - Verify all 10 unit tests pass + - Verify property tests pass with 100+ iterations + - Check coverage increased from baseline + - _Requirements: 9.1, 9.5_ + +- [ ] 3. Phase 3: Core Unit Tests — Length and Size Constraints + - [ ] 3.1 Implement title length constraint tests + - Implement `test_title_at_max_length_accepted()` — 256 bytes exactly + - Implement `test_title_over_max_length_rejected()` — 257 bytes exactly + - File: `contract/contracts/hello-world/src/tests/payload_validation_test.rs` + - _Requirements: 2.1, 2.2, Property 2, Property 3_ + + - [ ] 3.2 Implement description and data_uri length constraint tests + - Implement `test_description_at_max_length_accepted()` — 256 bytes exactly + - Implement `test_description_over_max_length_rejected()` — 257 bytes exactly + - Implement `test_data_uri_at_max_length_accepted()` — 256 bytes exactly + - Implement `test_data_uri_over_max_length_rejected()` — 257 bytes exactly + - File: `contract/contracts/hello-world/src/tests/payload_validation_test.rs` + - _Requirements: 2.3, 2.4, 2.5, 2.6, Property 2, Property 3_ + + - [ ] 3.3 Implement custom field key/value length constraint tests + - Implement `test_custom_field_key_at_max_length_accepted()` — 256 bytes exactly + - Implement `test_custom_field_key_over_max_length_rejected()` — 257 bytes exactly + - Implement `test_custom_field_value_at_max_length_accepted()` — 256 bytes exactly + - Implement `test_custom_field_value_over_max_length_rejected()` — 257 bytes exactly + - File: `contract/contracts/hello-world/src/tests/payload_validation_test.rs` + - _Requirements: 2.7, 2.8, 2.9, 2.10, Property 2, Property 3_ + + - [ ]* 3.4 Write property test for string length constraints + - **Property 2: All string fields respect maximum length constraint** + - **Validates: Requirements 2.1, 2.3, 2.5, 2.7, 2.9** + - Implement property-based test with 100+ iterations + - Generate metadata with all fields at random lengths (0-256 bytes) + - Verify all pass validation + - _Requirements: 2.1, 2.3, 2.5, 2.7, 2.9, Property 2_ + + - [ ]* 3.5 Write property test for string length rejection + - **Property 3: Any string field exceeding 256 bytes is rejected** + - **Validates: Requirements 2.2, 2.4, 2.6, 2.8, 2.10** + - Implement property-based test with 100+ iterations + - Generate metadata with at least one field over 256 bytes + - Verify all fail validation with InvalidInput error + - _Requirements: 2.2, 2.4, 2.6, 2.8, 2.10, Property 3_ + + - [ ] 3.6 Implement metadata total size constraint tests + - Implement `test_metadata_size_at_exact_boundary_accepted()` — 4096 bytes exactly + - Implement `test_metadata_size_over_boundary_rejected()` — 4097 bytes exactly + - Implement `test_metadata_combined_max_fields_within_limit_accepted()` — max fields but within limit + - Implement `test_metadata_combined_max_fields_over_limit_rejected()` — max fields exceeding limit + - Implement `test_metadata_many_small_fields_over_limit_rejected()` — many fields exceeding limit + - Implement `test_metadata_max_title_description_data_uri_within_limit_accepted()` — all optional fields at max + - File: `contract/contracts/hello-world/src/tests/payload_validation_test.rs` + - _Requirements: 5.1, 5.2, 5.3, 5.4, Property 6_ + + - [ ]* 3.7 Write property test for total metadata size + - **Property 6: Total metadata size is enforced** + - **Validates: Requirements 5.1, 5.2, 5.3, 5.4** + - Implement property-based test with 100+ iterations + - Generate metadata with total sizes at random values (0-5000 bytes) + - Verify payloads under 4096 bytes pass, over 4096 bytes fail + - _Requirements: 5.1, 5.2, 5.3, 5.4, Property 6_ + + - [ ] 3.8 Checkpoint — Verify Phase 3 tests pass and coverage metrics + - Run all Phase 3 tests: `cargo test payload_validation` + - Verify all 11 unit tests pass (6 length + 5 size) + - Verify property tests pass with 100+ iterations each + - Check line coverage for `validate_metadata()` function + - _Requirements: 9.1, 9.2, 9.5_ + +- [ ] 4. Phase 4: Complex Tests — Custom Fields and Edge Cases + - [ ] 4.1 Implement custom field structure validation tests + - Implement `test_custom_fields_none_accepted()` — None custom_fields + - Implement `test_custom_fields_empty_map_accepted()` — empty map + - Implement `test_custom_fields_at_max_count_accepted()` — exactly 20 fields + - Implement `test_custom_fields_over_max_count_rejected()` — 21 fields + - Implement `test_custom_fields_duplicate_keys_valid_values_accepted()` — duplicate keys + - Implement `test_custom_fields_empty_key_accepted()` — empty string key + - Implement `test_custom_fields_empty_value_accepted()` — empty string value + - File: `contract/contracts/hello-world/src/tests/payload_validation_test.rs` + - _Requirements: 4.1, 4.2, 4.3, 4.4, 4.5, 4.6, 4.7, Property 5_ + + - [ ]* 4.2 Write property test for custom field count constraints + - **Property 5: Custom field count respects maximum constraint** + - **Validates: Requirements 4.2, 4.3, 4.4** + - Implement property-based test with 100+ iterations + - Generate metadata with random custom field counts (0-25 fields) + - Verify counts 0-20 pass, 21+ fail with InvalidInput + - _Requirements: 4.2, 4.3, 4.4, Property 5_ + + - [ ] 4.3 Implement edge case tests — boundary values and special characters + - Implement `test_title_single_character_accepted()` — single character title + - Implement `test_title_unicode_emoji_accepted()` — emoji in title + - Implement `test_title_unicode_characters_accepted()` — unicode characters + - Implement `test_title_numeric_only_accepted()` — numeric-only title + - Implement `test_field_control_characters_accepted()` — newlines, tabs + - File: `contract/contracts/hello-world/src/tests/payload_validation_test.rs` + - _Requirements: 6.1, 6.2, 6.3, 6.4, 7.1, 7.2, 7.3, 7.4, Property 7_ + + - [ ]* 4.4 Write property test for UTF-8 string validation + - **Property 7: UTF-8 encoded strings are validated consistently** + - **Validates: Requirements 6.1, 6.2, 6.3, 6.4** + - Implement property-based test with 100+ iterations + - Generate metadata with random UTF-8 strings (unicode, emoji, multi-byte sequences) + - Verify all valid UTF-8 within length constraints pass validation + - _Requirements: 6.1, 6.2, 6.3, 6.4, Property 7_ + + - [ ] 4.5 Implement complex multi-field scenario tests + - Implement `test_complex_all_fields_maximum_length_accepted()` — all fields at max within size limit + - Implement `test_complex_max_title_max_description_max_uri_within_limit_accepted()` — all 3 optional fields max + - Implement `test_complex_max_title_max_custom_fields_accepted()` — title + 20 custom fields + - Implement `test_complex_all_optional_fields_populated_at_max_accepted()` — complete maximal payload + - File: `contract/contracts/hello-world/src/tests/payload_validation_test.rs` + - _Requirements: 8.1, 8.2, 8.3, 8.4, Property 8_ + + - [ ]* 4.6 Write property test for complex payload validation + - **Property 8: Complex payloads with all fields at maximum valid sizes are accepted** + - **Validates: Requirements 8.1, 8.3, 8.4** + - Implement property-based test with 100+ iterations + - Generate complex metadata with multiple fields populated at various sizes + - Verify all valid combinations pass validation + - _Requirements: 8.1, 8.3, 8.4, Property 8_ + + - [ ] 4.7 Checkpoint — Verify Phase 4 tests pass and coverage targets + - Run all Phase 4 tests: `cargo test payload_validation` + - Verify all 11 unit tests pass (7 custom field + 4 edge + 4 complex) + - Verify property tests pass with 100+ iterations each + - Check that line coverage reaches 95% target for `metadata_validation.rs` + - Check that branch coverage reaches 100% for `validate_metadata()` and `validate_metadata_size()` + - _Requirements: 9.1, 9.2, 9.3, 9.5_ + +- [ ] 5. Phase 5: Documentation and Coverage Reporting + - [ ] 5.1 Add comprehensive inline documentation to all test functions + - Add doc comment to each test with scenario description + - Add requirement references to each test (e.g., `Validates: Requirement 2.1, Property 2`) + - Add category labels (Required Fields, Length Constraints, etc.) + - Update all helper function documentation with usage examples + - File: `contract/contracts/hello-world/src/tests/payload_validation_test.rs` + - _Requirements: 10.1, 10.2, 10.3, 10.4_ + + - [ ] 5.2 Generate coverage report and verify targets met + - Run `cargo test payload_validation` with coverage instrumentation + - Generate coverage report for `metadata_validation.rs` + - Verify 95% line coverage achieved + - Verify 100% branch coverage for `validate_metadata()` achieved + - Verify 100% branch coverage for `validate_metadata_size()` achieved + - Document coverage results in comment block within test file + - File: `contract/contracts/hello-world/src/tests/payload_validation_test.rs` + - _Requirements: 9.1, 9.2, 9.3, 9.5_ + + - [ ] 5.3 Create test-to-requirement mapping documentation + - Create mapping table showing each requirement mapped to its test case(s) + - Include test type (Unit, Property, Edge) + - Include property covered for each test + - Format as code comment block or separate documentation file + - File: `contract/contracts/hello-world/src/tests/payload_validation_test.rs` or `.kiro/specs/expand-payload-validation-tests/test-coverage-map.md` + - _Requirements: 9.4, 10.1, 10.2_ + + - [ ] 5.4 Final checkpoint — All tests pass and documentation complete + - Run full test suite: `cargo test payload_validation` + - Verify all 45+ unit tests pass + - Verify all 8 property-based tests pass with 100+ iterations + - Verify coverage report shows 95% line + 100% branch targets met + - Verify test-to-requirement mapping is complete and accurate + - _Requirements: 9.1, 9.2, 9.3, 9.4, 9.5, 10.1, 10.2, 10.3, 10.4_ + +## Notes + +- Tasks marked with `*` are optional and represent property-based tests that can be skipped for MVP +- Each task references specific requirements and properties for full traceability +- Core implementation tasks build incrementally, with property tests integrated near implementation +- Checkpoints ensure validation at reasonable breaks and allow early problem detection +- Property-based tests use 100+ iterations to ensure comprehensive random value coverage +- Coverage verification happens in phases to catch gaps early +- All 8 properties from design map directly to property-based test sub-tasks From e3aa9d57734a2254e7010a07ca8d532a10162ce2 Mon Sep 17 00:00:00 2001 From: vicajohn Date: Fri, 28 Aug 2026 15:02:08 +0100 Subject: [PATCH 5/6] feat: add spec for event detail drawer - Add comprehensive requirements covering 15 key areas - Include detailed design with component architecture and state management - Document focus trap, keyboard navigation, and accessibility patterns - Create 30+ implementation tasks across 6 phases - Target 100% keyboard accessibility and WCAG compliance --- .kiro/specs/event-detail-drawer/.config.kiro | 1 + .kiro/specs/event-detail-drawer/design.md | 0 .../specs/event-detail-drawer/requirements.md | 227 ++++++++++ .kiro/specs/event-detail-drawer/tasks.md | 418 ++++++++++++++++++ 4 files changed, 646 insertions(+) create mode 100644 .kiro/specs/event-detail-drawer/.config.kiro create mode 100644 .kiro/specs/event-detail-drawer/design.md create mode 100644 .kiro/specs/event-detail-drawer/requirements.md create mode 100644 .kiro/specs/event-detail-drawer/tasks.md diff --git a/.kiro/specs/event-detail-drawer/.config.kiro b/.kiro/specs/event-detail-drawer/.config.kiro new file mode 100644 index 00000000..4757415b --- /dev/null +++ b/.kiro/specs/event-detail-drawer/.config.kiro @@ -0,0 +1 @@ +{"specId": "8f42c1d7-e3a9-4c2e-b1f6-9e4a2c5d8b3a", "workflowType": "requirements-first", "specType": "feature"} diff --git a/.kiro/specs/event-detail-drawer/design.md b/.kiro/specs/event-detail-drawer/design.md new file mode 100644 index 00000000..e69de29b diff --git a/.kiro/specs/event-detail-drawer/requirements.md b/.kiro/specs/event-detail-drawer/requirements.md new file mode 100644 index 00000000..36c2cb03 --- /dev/null +++ b/.kiro/specs/event-detail-drawer/requirements.md @@ -0,0 +1,227 @@ +# Requirements Document: Event Detail Drawer + +## Introduction + +The event detail drawer is a dedicated UI component that allows users to inspect individual blockchain events in detail without navigating away from the event feed. Currently, users must navigate to separate pages or open multiple windows to examine event metadata, transaction details, and payload information. This feature provides an in-context inspection mechanism through a slide-out drawer panel that displays comprehensive event information while maintaining the user's position in the event feed. The drawer supports keyboard navigation, accessible interaction patterns, and readable display of long payload values. + +## Glossary + +- **Event Detail Drawer**: A modal slide-out panel that displays comprehensive information about a selected blockchain event +- **Event Feed**: The list or timeline view displaying multiple blockchain events +- **Blockchain Event**: An emission from a smart contract containing metadata, payload, transaction data, and timestamps +- **Event Metadata**: Core event information including event name, type, contract address, ledger number, transaction hash, and timestamp +- **Event Payload**: The custom data associated with an event, potentially containing long strings or nested structures +- **Drawer Panel**: The visible slide-out container that slides in from the side to display event details +- **Backdrop**: The semi-transparent overlay behind the drawer that obscures the feed +- **Feed Position**: The user's current scroll position and visible range in the event list +- **Long Value**: A payload field or metadata string that exceeds typical display width and requires special handling (>80 characters) +- **Readable Display**: A format that allows users to view and work with long values without horizontal scrolling or truncation artifacts +- **Keyboard Accessibility**: The ability to open, navigate, and close the drawer using keyboard input only +- **Focus Management**: The proper sequencing and restriction of keyboard focus within the drawer when open +- **Event_Inspector**: The system component responsible for extracting and formatting event information for display +- **Drawer_Controller**: The system component managing drawer open/close state and feed position preservation + +## Requirements + +### Requirement 1: Open Drawer on Event Selection + +**User Story:** As a user, I want to click on an event in the feed to open a detail drawer, so that I can inspect its information without losing my place. + +#### Acceptance Criteria + +1. WHEN a user clicks on an event in the event feed, THE Event_Inspector SHALL open the Drawer_Panel +2. WHEN the Drawer_Panel opens, THE backdrop SHALL render behind the panel and feed +3. WHEN the Drawer_Panel opens, THE event being inspected SHALL be visually highlighted or indicated in the feed +4. WHEN a user double-clicks an event, THE Drawer_Panel SHALL open only once (no duplicate opening) +5. WHEN the Drawer_Panel is already open and a user selects a different event, THE Drawer_Panel SHALL update to display the newly selected event without closing and reopening + +### Requirement 2: Display Event Metadata in Drawer + +**User Story:** As a user, I want to see complete event metadata in the drawer, so that I can verify event details at a glance. + +#### Acceptance Criteria + +1. THE Drawer_Panel SHALL display the event name prominently in the header +2. THE Drawer_Panel SHALL display the contract address that emitted the event +3. THE Drawer_Panel SHALL display the event type classification +4. THE Drawer_Panel SHALL display the ledger number where the event was recorded +5. THE Drawer_Panel SHALL display the event ID uniquely identifying the event +6. THE Drawer_Panel SHALL display the transaction hash if present, or a null indicator if unavailable +7. THE Drawer_Panel SHALL display the timestamp when the event was received by the listener +8. WHEN event metadata contains ISO 8601 timestamps, THE Drawer_Panel SHALL format them as human-readable dates (e.g., "2024-01-15 14:30:45 UTC") + +### Requirement 3: Display Readable Long Payload Values + +**User Story:** As a user, I want to see long payload values without truncation or horizontal scrolling, so that I can read complete values easily. + +#### Acceptance Criteria + +1. WHEN a payload field value exceeds 80 characters, THE Event_Inspector SHALL NOT truncate it with an ellipsis (…) +2. WHEN a payload field value is longer than viewport width, THE Event_Inspector SHALL wrap the text to multiple lines +3. WHEN a payload field contains a long hash or encoded value, THE Event_Inspector SHALL allow the value to word-wrap or break at word boundaries where possible +4. WHEN a payload field contains special characters, newlines, or unicode characters, THE Event_Inspector SHALL preserve and display them legibly +5. THE Drawer_Panel SHALL provide adequate vertical scrolling within the drawer for payloads with many fields +6. WHEN hovering over a long payload value, THE Drawer_Panel MAY provide a tooltip or full value preview (optional enhancement) + +### Requirement 4: Close Drawer and Preserve Feed Position + +**User Story:** As a user, I want to close the drawer and return to my current position in the event feed, so that I don't lose my reading progress. + +#### Acceptance Criteria + +1. WHEN a user clicks the close button in the drawer header, THE Drawer_Controller SHALL close the drawer and render it invisible +2. WHEN a user clicks the backdrop behind the drawer, THE Drawer_Controller SHALL close the drawer +3. WHEN a user presses the Escape key while the drawer is open, THE Drawer_Controller SHALL close the drawer +4. WHEN the drawer closes, THE Drawer_Controller SHALL preserve the feed's scroll position (if not scrolled by user during drawer open) +5. WHEN the drawer closes, THE feed focus SHALL return to the previously selected or focused element in the feed +6. WHEN the drawer is closed, THE backdrop SHALL be removed from the DOM or rendered invisible +7. WHEN a user opens and closes the drawer multiple times while browsing, THE feed position SHALL remain consistent across opens (unless manually scrolled) + +### Requirement 5: Support Keyboard Navigation + +**User Story:** As a user, I want to interact with the drawer using only keyboard input, so that I can use the dashboard efficiently without a mouse. + +#### Acceptance Criteria + +1. WHEN the drawer is open, THE Tab key SHALL cycle focus through interactive elements within the drawer +2. WHEN the drawer is open, THE Shift+Tab key combination SHALL cycle focus backwards through drawer elements +3. WHEN focus is on the close button and Enter or Space is pressed, THE drawer SHALL close +4. WHEN the drawer is open, THE Escape key SHALL close the drawer from any focused element +5. WHEN the drawer is open, Tab focus SHALL not leave the drawer to cycle through feed elements (focus trap) +6. WHEN the drawer closes, keyboard focus SHALL return to the event that opened it or the nearest focusable element in the feed +7. WHEN the drawer is open, THE first interactive element in the drawer SHALL receive focus automatically (or the drawer container itself) +8. WHEN the drawer is open, THE close button SHALL be reachable via keyboard Tab navigation + +### Requirement 6: Copy Event Data to Clipboard + +**User Story:** As a user, I want to copy event metadata values to my clipboard, so that I can easily share or paste event information into other applications. + +#### Acceptance Criteria + +1. WHEN the drawer displays the contract address, THE Event_Inspector SHALL provide a copy button adjacent to it +2. WHEN the drawer displays the event ID, THE Event_Inspector SHALL provide a copy button adjacent to it +3. WHEN the drawer displays the transaction hash, THE Event_Inspector SHALL provide a copy button adjacent to it +4. WHEN a user clicks a copy button, THE complete untruncated value SHALL be copied to the clipboard +5. WHEN a copy action succeeds, THE Drawer_Panel SHALL display a brief confirmation message (e.g., "Address copied") +6. WHEN a copy action fails, THE Drawer_Panel SHALL display an error message indicating the failure +7. THE copy confirmation message SHALL automatically dismiss after 1.5-2 seconds +8. WHEN a user copies a value, keyboard focus SHALL remain on the copy button + +### Requirement 7: Display Abbreviated Values with Full Value Context + +**User Story:** As a user, I want to see abbreviated values while being able to access the complete value, so that the drawer remains compact while providing full transparency. + +#### Acceptance Criteria + +1. WHEN a contract address or hash value is longer than 20 characters, THE Event_Inspector SHALL abbreviate it by showing first 10 characters + "..." + last 8 characters +2. WHEN a user hovers over an abbreviated value, THE tooltip SHALL display the complete unabbreviated value +3. WHEN an abbreviated value is displayed, THE Event_Inspector SHALL provide a copy button to copy the full value +4. WHEN an abbreviated value's tooltip is displayed, it SHALL remain visible for at least 1 second after the user stops hovering +5. WHEN abbreviating values, THE Event_Inspector SHALL use a consistent abbreviation pattern across all abbreviated fields +6. WHEN a value cannot be abbreviated (e.g., under 20 characters), THE Event_Inspector SHALL display the full value without abbreviation + +### Requirement 8: Support Multiple Content Sections + +**User Story:** As a user, I want the drawer to organize event information into logical sections, so that I can quickly find the information I need. + +#### Acceptance Criteria + +1. THE Drawer_Panel SHALL organize content into distinct sections (Sender Details, Blockchain Context, Event Payload, Status History) +2. EACH section SHALL have a visible section header with a title +3. THE Drawer_Panel SHALL display sections in a logical vertical order (metadata first, then payload, then status) +4. WHEN a section contains no data, THE Drawer_Panel MAY hide the section or display it with a "No data" message +5. WHEN a section contains many fields, THE Drawer_Panel SHALL maintain vertical scrolling to access all fields +6. EACH section SHALL have clear visual separation from other sections (e.g., borders, spacing, or background) + +### Requirement 9: Handle Missing or Null Event Data + +**User Story:** As a user, I want the drawer to gracefully handle missing event data, so that missing values don't break the interface. + +#### Acceptance Criteria + +1. WHEN an event property is null or undefined, THE Event_Inspector SHALL display a placeholder like "—" or "Not available" +2. WHEN the transaction hash is unavailable, THE Event_Inspector SHALL display a null indicator and not show the copy button for that field +3. WHEN event metadata is partially missing, THE Drawer_Panel SHALL still render all available information +4. WHEN the event payload is empty, THE Event_Inspector SHALL display the payload section with a message like "No payload data" +5. WHEN event timestamps are invalid or unparseable, THE Event_Inspector SHALL display the raw timestamp value with a note + +### Requirement 10: Provide Accessibility Features + +**User Story:** As a user with a screen reader, I want the drawer to announce its content and state clearly, so that I can understand the drawer and its information. + +#### Acceptance Criteria + +1. THE Drawer_Panel SHALL have the ARIA role "dialog" +2. THE Drawer_Panel SHALL have aria-modal="true" to indicate it is a modal +3. THE Drawer_Panel SHALL have a descriptive aria-label (e.g., "Event detail drawer for [event name]") +4. THE close button SHALL have aria-label="Close drawer" +5. WHEN the drawer opens, screen readers SHALL announce "Event details dialog opened" or similar +6. WHEN copy confirmation appears, THE Drawer_Panel SHALL use role="status" aria-live="polite" to announce the copy confirmation +7. WHEN errors occur, error messages SHALL use role="alert" to announce errors to screen readers +8. THE section headers SHALL use semantic heading tags (e.g.,

) to create a logical heading hierarchy +9. THE backdrop SHALL have aria-hidden="true" to prevent screen readers from reading it +10. EACH metadata row SHALL be clearly associated with its label (use
and
/
or