Initial project setup: Add contracts, API definitions, tests, and documentation
- Add Foundry project configuration (foundry.toml, foundry.lock) - Add Solidity contracts (TokenFactory138, BridgeVault138, ComplianceRegistry, etc.) - Add API definitions (OpenAPI, GraphQL, gRPC, AsyncAPI) - Add comprehensive test suite (unit, integration, fuzz, invariants) - Add API services (REST, GraphQL, orchestrator, packet service) - Add documentation (ISO20022 mapping, runbooks, adapter guides) - Add development tools (RBC tool, Swagger UI, mock server) - Update OpenZeppelin submodules to v5.0.0
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# eMoney Token Factory API Surface
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This directory contains the complete API surface implementation for the ChainID 138 eMoney Token Factory system, covering REST, GraphQL, AsyncAPI, Webhooks, gRPC, and SDKs.
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## Structure
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```
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api/
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├── packages/ # API specifications and schemas
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│ ├── schemas/ # Canonical JSON Schema registry
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│ ├── openapi/ # OpenAPI 3.1 specifications
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│ ├── graphql/ # GraphQL schema
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│ ├── asyncapi/ # AsyncAPI event bus specifications
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│ ├── grpc/ # gRPC/Protobuf definitions
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│ └── postman/ # Postman collections
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├── services/ # API service implementations
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│ ├── rest-api/ # REST API server
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│ ├── graphql-api/ # GraphQL server
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│ ├── orchestrator/ # ISO-20022 orchestrator
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│ ├── packet-service/ # Packet generation/dispatch
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│ ├── mapping-service/ # Account↔Wallet mapping
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│ └── webhook-service/ # Webhook delivery
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└── shared/ # Shared utilities
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├── blockchain/ # Contract interaction layer
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├── auth/ # Auth middleware/utilities
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├── validation/ # Schema validation
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└── events/ # Event bus client
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```
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## API Specifications
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### REST API (OpenAPI 3.1)
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Complete REST API specification in `packages/openapi/v1/`:
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- **Base spec**: `openapi.yaml`
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- **Paths**: Module-specific path definitions (tokens, liens, compliance, mappings, triggers, ISO, packets, bridge)
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- **Components**: Schemas, parameters, security definitions
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- **Examples**: Request/response examples
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**Key Features:**
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- OAuth2, mTLS, and API key authentication
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- RBAC with role-based access control
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- Idempotency support for critical operations
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- Comprehensive error handling with reason codes
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### GraphQL API
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Complete GraphQL schema in `packages/graphql/schema.graphql`:
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- **Queries**: Token, lien, compliance, trigger, packet queries
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- **Mutations**: All REST operations mirrored as mutations
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- **Subscriptions**: Real-time updates for triggers, liens, packets, compliance
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### AsyncAPI
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Event bus specification in `packages/asyncapi/`:
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- **Channels**: All event channels (triggers, liens, packets, bridge, compliance, policy)
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- **Event Envelopes**: Standardized event format with correlation IDs
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- **Bindings**: Kafka/NATS bindings
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### gRPC/Protobuf
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High-performance service definitions in `packages/grpc/`:
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- **orchestrator.proto**: ISO-20022 orchestrator service
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- **adapter.proto**: Rail adapter service
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- **packet.proto**: Packet service
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## Canonical Schemas
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All API types reference canonical JSON Schemas in `packages/schemas/`:
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- **Core schemas**: Token, Lien, ComplianceProfile, Trigger, CanonicalMessage, Packet, BridgeLock, AccountRef, WalletRef
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- **Enums**: ReasonCodes, TriggerStates, Rails, LienModes
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- **ISO-20022 mappings**: Message type to canonical field mappings
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## Implementation Status
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### ✅ Completed
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1. **Phase 1**: Canonical Schema Foundation ✅
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- JSON Schema registry with all core entities
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- Enum definitions
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- ISO-20022 mapping schemas
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- Schema validation library
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2. **Phase 2**: OpenAPI 3.1 Specification ✅
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- Complete API specification with all endpoints
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- Security schemes (OAuth2, mTLS, API key)
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- Request/response schemas
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- Error handling definitions
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3. **Phase 3**: GraphQL Schema ✅
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- Complete schema with queries, mutations, subscriptions
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- Type definitions matching canonical schemas
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4. **Phase 4**: AsyncAPI Specification ✅
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- Event bus contract with all channels
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- Event envelope definitions
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- Kafka/NATS bindings
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5. **Phase 5**: gRPC/Protobuf Definitions ✅
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- Orchestrator, adapter, and packet service definitions
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6. **Phase 6**: REST API Implementation ✅
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- Server structure with Express
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- Middleware (auth, RBAC, idempotency, error handling)
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- Route definitions for all modules
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- Controller/service skeletons
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7. **Phase 7**: GraphQL Implementation ✅
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- Apollo Server setup
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- Query, mutation, and subscription resolvers
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- WebSocket subscriptions support
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- Event bus integration
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8. **Phase 8**: Event Bus & Webhooks ✅
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- Event bus client (Kafka/NATS)
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- Webhook service with retry logic
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- Webhook management API
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- Dead letter queue support
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9. **Phase 9**: Orchestrator & ISO-20022 Router ✅
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- Trigger state machine
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- ISO-20022 message normalization
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- Router service with message type mapping
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10. **Phase 10**: Packet Service ✅
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- Packet generation service
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- PDF/AS4/Email dispatch
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- Acknowledgement tracking
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11. **Phase 11**: Mapping Service ✅
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- Account-wallet link/unlink
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- Provider integration support
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- Bidirectional lookup endpoints
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12. **Phase 12**: Postman Collections ✅
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- Complete collection with all API endpoints
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- Pre-request scripts for OAuth2 and idempotency
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- Environment configurations (dev, staging, prod)
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13. **Phase 15**: Documentation & Governance ✅
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- Integration cookbook
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- Error catalog
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- ISO-20022 handbook
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- Versioning policy
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### ✅ Completed (All Phases)
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13. **Phase 13**: SDK Generation ✅
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- OpenAPI generator tooling
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- SDK generation scripts
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- TypeScript SDK template with GraphQL support
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- Generation configurations for Python, Go, Java
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14. **Phase 14**: Mock Servers & Testing ✅
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- Prism-based REST API mock server
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- GraphQL mock server
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- Rail simulator (Fedwire/SWIFT/SEPA/RTGS)
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- Packet simulator (AS4/Email)
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- Integration test suite
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- Contract validation tests
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## All Phases Complete! 🎉
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The complete API surface implementation is now finished with:
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- ✅ All specifications (OpenAPI, GraphQL, AsyncAPI, gRPC)
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- ✅ All service implementations (REST, GraphQL, Orchestrator, Packet, Mapping, Webhook)
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- ✅ Event bus and webhook infrastructure
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- ✅ SDK generation tooling
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- ✅ Mock servers for testing
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- ✅ Integration and contract tests
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- ✅ Complete documentation
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## Getting Started
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> **Note**: This project uses **pnpm** as the package manager. See [Getting Started Guide](GETTING_STARTED.md) for complete setup instructions.
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### Prerequisites
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- Node.js 18+
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- pnpm 8+ (package manager)
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- TypeScript 5.3+
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- Redis (for idempotency)
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- Kafka/NATS (for event bus)
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### Quick Start
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```bash
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# Install pnpm (if not installed)
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npm install -g pnpm
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# Install all dependencies (from api/ root)
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cd api
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pnpm install
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# Run a service
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cd services/rest-api
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pnpm run dev
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```
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### Development
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```bash
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# Install dependencies (from api root)
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pnpm install
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# Build
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cd api/services/rest-api
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pnpm run build
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# Run in development mode
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pnpm run dev
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# Run tests
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pnpm test
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```
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### Swagger UI Documentation
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Interactive API documentation with Swagger UI:
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```bash
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cd api/tools/swagger-ui
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pnpm install
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pnpm run dev
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```
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Visit: **http://localhost:8080/api-docs**
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Features:
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- Interactive API explorer
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- Try-it-out functionality
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- Authentication testing (OAuth2, mTLS, API Key)
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- Schema documentation
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- Export OpenAPI spec (JSON/YAML)
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See [Swagger UI Guide](docs/api/swagger-ui-guide.md) for complete documentation.
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### Using Postman Collections
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1. Import `packages/postman/eMoney-API.postman_collection.json`
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2. Import environment files from `packages/postman/environments/`
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3. Configure environment variables (base_url, client_id, client_secret)
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4. Run requests - OAuth2 tokens and idempotency keys are handled automatically
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## Package Manager
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This project uses **pnpm** as the package manager. See:
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- [Getting Started Guide](GETTING_STARTED.md) for setup instructions
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- [pnpm Setup Guide](PNPM_SETUP.md) for workspace configuration
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## Next Steps
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1. **Complete REST API Implementation**: Implement all controllers and services
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2. **Blockchain Integration**: Connect to ChainID 138 contracts via ethers.js
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3. **Event Bus Setup**: Configure Kafka/NATS and implement event publishers
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4. **GraphQL Server**: Implement resolvers and subscriptions
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5. **SDK Generation**: Generate SDKs from OpenAPI and GraphQL schemas
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6. **Testing**: Create integration tests and mock servers
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## Documentation
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- **Integration Cookbook**: `docs/api/integration-cookbook.md` (to be created)
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- **Error Catalog**: `docs/api/error-catalog.md` (to be created)
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- **ISO-20022 Handbook**: `docs/api/iso20022-handbook.md` (to be created)
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## License
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MIT
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