Feat/symbol

[nafiuishaaq]

Summary

Summary of Changes

1. Updated src/index.ts to export all missing symbols from the codebase:

• Client-related additions: Added VeriTixClientExtended, createSafeToJSON, createSafeInspect, VeriTixSDK, and createFromFreighter
• Types addition: Added missing BatchSettlementResult from src/types/index.ts
• New module classes: Added all new module exports including EventsService, EventDashboard, EventGalleryService, RevenueAnalyticsModule, TicketAnalyticsModule, CollaboratorModule, TicketPurchaseModule
• Module types: Added all interfaces and types from new modules (Event, EventFilter, DashboardMetrics, etc.)
• Module constants: Added TRANSACTION_CHARGE_RATE and MAX_COLLABORATORS_PER_EVENT
• Utility additions: Added missing scVal conversion functions (from ./utils/scval) and XDR parsers (from ./utils/parsers) which were exported in src/utils/index.ts but not in the root index.ts
• closes chore: add index barrel exports — ensure every public symbol is exported from src/index.ts #505

2. Fixed src/modules/freighter-factory.ts: Added missing import for VeriTixClient which was causing a compilation error.

3. Fixed src/client.ts: Changed keypair from private to protected to allow access from the extended VeriTixClientExtended class in client-extended.ts, which fixes the TypeScript access modifier error.

All exported symbols in the src/ directory are now properly exported from the root src/index.ts, so consumers importing from @veritix/contract-sdk can access all of them! The TypeScript compiler will now pass without errors, confirming there are no orphaned types.
closes #502

Summary of Changes

1. Updated src/utils/errors.ts to add new error codes for all missing cases:

• Added NotImplemented for unimplemented methods
• Added CollaboratorNotFound, CollaboratorAlreadyExists, MaxCollaboratorsReached for collaborator module errors
• Added FreighterNotFound for freighter factory errors
• Added ClientNotConnected for errors when client isn't connected before use
• Added InvalidInput for all input/parsing/scval conversion errors
• closes chore: enforce consistent error throwing pattern — every module must throw VeriTixError not raw Error #504

2. Fixed all raw throw new Error instances across src/modules and src/utils:

• src/modules/ticket/ticket-purchase.service.ts: Added import for VeriTixError/VeriTixErrorCode, replaced errors with InvalidAmount and InsufficientBalance
• src/modules/collaborator/collaborator.service.ts: Added import, replaced errors with appropriate collaborator-specific error codes
• src/modules/freighter-factory.ts: Added import, replaced Freighter not found error with FreighterNotFound code
• src/modules/splitter.ts: All not implemented errors replaced with NotImplemented code
• src/modules/user.ts: Added import, all not implemented errors replaced with NotImplemented
• src/client.ts: All "call connect() first" errors replaced with ClientNotConnected, fixed the last raw error in lazy server proxy
• src/utils/scval.ts: Added import, all scVal conversion errors replaced with InvalidInput
• src/utils/parsers.ts: Added import, all parsing errors replaced with InvalidInput
• closes chore: enforce consistent error throwing pattern — every module must throw VeriTixError not raw Error #504

All errors in the codebase now use VeriTixError with an appropriate error code, allowing consumers to use type-safe error branching! The SDK's error handling system is now fully consistent.

Checklist

• Tests added or updated
• Docs updated (JSDoc / README)
• npm run build passes
• npm test passes
• npm run lint passes

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