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CurrenciCombo/docs/IMPLEMENTATION_STATUS.md

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# Implementation Status
## Overview
This document tracks the implementation status of all engineering tickets from the ISO-20022 Combo Flow Engineering Ticket Breakdown.
---
## ✅ Completed (10 tickets)
### Frontend (7 tickets) - **100% Complete**
#### FE-001: Builder UI - Drag & Drop Canvas ✅
- **Status**: ✅ Completed
- **File**: `webapp/src/components/builder/Canvas.tsx`
- **Features Implemented**:
- Drag-and-drop from palette to canvas
- Step reordering via drag handle
- Step cards with numbers, icons, summaries
- Drop zone highlighting
- Visual feedback during drag
- Edit/Remove buttons
- Step dependency visualization (connection lines)
- Responsive design
#### FE-002: Builder UI - Adapter Palette ✅
- **Status**: ✅ Completed
- **File**: `webapp/src/components/builder/StepPalette.tsx`
- **Features Implemented**:
- Adapters grouped by type (DeFi, Fiat/DTL)
- Filter options: All, DeFi, Fiat/DTL, Whitelisted Only
- Search functionality
- Adapter status indicators (Approved, Deprecated, Restricted)
- Draggable adapters
- API integration with fallback to default steps
#### FE-003: Builder UI - Step Configuration Drawer ✅
- **Status**: ✅ Completed
- **File**: `webapp/src/components/builder/StepConfigDrawer.tsx`
- **Features Implemented**:
- Slide-up drawer (mobile/desktop responsive)
- Step-specific fields for all step types
- Compliance fields auto-populated from session
- Real-time validation
- Dependency visualization (shows previous step output)
- Compliance requirements display (LEI/KYC/AML)
#### FE-004: Builder UI - Compliance Status Dashboard ✅
- **Status**: ✅ Completed
- **File**: `webapp/src/components/compliance/ComplianceDashboard.tsx`
- **Features Implemented**:
- Compact badge view in header
- Expandable overlay with full details
- Workflow-specific compliance validation
- LEI/DID/KYC/AML status display
- Expiration warnings
- Quick links to update identity
#### FE-005: Builder UI - Optional Simulation Panel ✅
- **Status**: ✅ Completed
- **File**: `webapp/src/components/simulation/SimulationPanel.tsx`
- **Features Implemented**:
- Optional simulation toggle
- Simulation options (gas, slippage, liquidity)
- Step-by-step results display
- Gas estimate and cost
- Slippage analysis
- Liquidity checks
- Warnings and errors display
- "Run Again" and "Proceed to Sign" buttons
#### FE-006: Preview Page - Plan Summary & Signing ✅
- **Status**: ✅ Completed
- **File**: `webapp/src/app/builder/preview/page.tsx`
- **Features Implemented**:
- Complete plan summary display
- Compliance status section
- Optional simulation toggle
- Signature panel integration
- Create Plan and Execute buttons
- Error banners
- Simulation panel integration
#### FE-007: Execution Timeline - Real-Time Updates ✅
- **Status**: ✅ Completed (already implemented, terminal states fixed)
- **File**: `webapp/src/components/plan/ExecutionTimeline.tsx`
- **Features Implemented**:
- Real-time status updates via SSE (with feature flag)
- Fallback to polling
- Phase progression visualization
- Terminal states handled correctly (complete, failed, aborted)
- DLT transaction hash and ISO message ID display
- Error messages
---
### Backend API Mock Endpoints (3 tickets) - **Partial Implementation**
#### BE-003: Simulation Engine API ✅
- **Status**: ✅ Mock API Endpoint Created
- **File**: `webapp/src/app/api/plans/[planId]/simulate/route.ts`
- **Features Implemented**:
- POST endpoint for simulation
- Mock simulation results with gas, slippage, liquidity
- Step-by-step results
- Warnings and errors
#### BE-004: Compliance Engine API ✅
- **Status**: ✅ Mock API Endpoints Created
- **Files**:
- `webapp/src/app/api/compliance/status/route.ts`
- `webapp/src/app/api/compliance/check/route.ts`
- **Features Implemented**:
- GET /api/compliance/status
- POST /api/compliance/check
- Mock compliance validation
#### BE-005: Adapter Registry API ✅
- **Status**: ✅ Mock API Endpoint Created
- **Files**:
- `webapp/src/app/api/adapters/route.ts`
- `webapp/src/app/api/connectors/route.ts`
- **Features Implemented**:
- GET /api/adapters (returns adapter list)
- GET /api/connectors (returns connector status)
- Mock adapter data with filtering support
---
## ⏳ Pending (18 tickets)
### Backend Services (8 tickets)
- **BE-001**: Orchestrator API - Plan Management (requires orchestrator service)
- **BE-002**: Orchestrator API - Execution Coordination (requires orchestrator service)
- **BE-006**: Server-Sent Events (SSE) (requires orchestrator service)
- **BE-007**: DLT Handler Service (requires orchestrator service + smart contracts)
- **BE-008**: Bank Connector Service (requires orchestrator service + bank integrations)
- **BE-009**: ISO-20022 Message Generation (requires orchestrator service)
- **BE-010**: Notary Service Integration (requires orchestrator service + smart contracts)
- **BE-011**: Receipt Generation Service (requires orchestrator service)
**Note**: These require a separate orchestrator backend service to be set up. Mock endpoints have been created where possible.
### Smart Contracts (4 tickets)
- **SC-001**: Handler/Aggregator Contract (requires contracts directory setup)
- **SC-002**: Notary Registry Contract (requires contracts directory setup)
- **SC-003**: Adapter Registry Contract (requires contracts directory setup)
- **SC-004**: Adapter Interface & Example Adapters (requires contracts directory setup)
**Note**: Smart contracts require Hardhat/Foundry setup and contract deployment infrastructure.
### Integration (2 tickets)
- **INT-001**: Bank Connector Integration (requires orchestrator service + bank APIs)
- **INT-002**: Compliance Provider Integration (requires orchestrator service + KYC/AML providers)
**Note**: These require external service integrations and orchestrator backend.
### Testing (3 tickets)
- **TEST-001**: E2E Tests - Builder Flow (can be implemented now)
- **TEST-002**: E2E Tests - Failure Scenarios (can be implemented now)
- **TEST-003**: Smart Contract Tests (requires contracts directory)
---
## Summary
### Completion Status
- **Frontend**: 7/7 tickets (100%) ✅
- **Backend APIs (Mock)**: 3/11 tickets (27%) - Mock endpoints created
- **Smart Contracts**: 0/4 tickets (0%) - Requires infrastructure setup
- **Integration**: 0/2 tickets (0%) - Requires orchestrator service
- **Testing**: 0/3 tickets (0%) - Can be started for frontend
### Total Progress
- **Completed**: 10/28 tickets (36%)
- **Pending**: 18/28 tickets (64%)
---
## Next Steps
### Immediate (Can be done now)
1. **TEST-001**: Implement E2E tests for builder flow
2. **TEST-002**: Implement E2E tests for failure scenarios
3. Enhance existing components based on user feedback
### Requires Infrastructure Setup
1. **Set up Orchestrator Service**: Create separate backend service for plan management, execution coordination
2. **Set up Smart Contracts**: Initialize Hardhat/Foundry project, deploy contracts
3. **Set up Database**: Database for plan storage, audit logs
4. **Set up External Integrations**: Bank APIs, KYC/AML providers
### Architecture Decisions Needed
1. **Orchestrator Service**: Choose framework (Express, FastAPI, NestJS)
2. **Database**: Choose database (PostgreSQL, MongoDB)
3. **Message Queue**: For async execution coordination (RabbitMQ, Redis)
4. **Deployment**: Choose deployment platform (Docker, Kubernetes, Cloud)
---
**Document Version**: 1.0
**Last Updated**: 2025-01-15
**Status**: Frontend Complete ✅ | Backend Pending ⏳