Implement Transaction Tracking & History

package.json

@@ -79,6 +79,7 @@
     "express": "^5.2.1",
     "express-mongo-sanitize": "^2.2.0",
     "express-rate-limit": "^8.2.1",
+    "fast-csv": "^5.0.7",
     "helmet": "^8.1.0",
     "hpp": "^0.2.3",
     "ioredis": "^5.9.3",
@@ -122,7 +123,7 @@
     "@types/uuid": "^9.0.7",
     "@typescript-eslint/eslint-plugin": "^6.17.0",
     "@typescript-eslint/parser": "^6.17.0",
-    "eslint": "^8.56.0",
+    "eslint": "^8.57.1",
     "eslint-config-prettier": "^9.1.0",
     "eslint-plugin-import": "^2.32.0",
     "eslint-plugin-prettier": "^5.1.2",

src/app.controller.ts

@@ -120,6 +120,3 @@ export class AppController {
     };
   }
 }
-
-
-

src/app.module.ts

@@ -249,5 +249,3 @@ export class AppModule implements NestModule, OnModuleInit {
     this.verifier.start();
   }
 }
-
-

src/app.service.ts

@@ -29,6 +29,3 @@ export class AppService {
     };
   }
 }
-
-
-

src/blockchain/oracle/dto/create-payload.dto.ts

@@ -36,6 +36,3 @@ export class CreatePayloadDto {
   @IsOptional()
   metadata?: Record<string, any>;
 }
-
-
-

src/blockchain/oracle/dto/payload-response.dto.ts

@@ -24,6 +24,3 @@ export class PayloadResponseDto {
   submittedAt: Date | null;
   confirmedAt: Date | null;
 }
-
-
-

src/blockchain/oracle/dto/sign-payload.dto.ts

@@ -15,6 +15,3 @@ export class SignPayloadDto {
   })
   privateKey: string;
 }
-
-
-

src/blockchain/oracle/dto/submit-payload.dto.ts

@@ -14,6 +14,3 @@ export class SubmitPayloadDto {
   @IsNotEmpty()
   payloadId: string;
 }
-
-
-

src/blockchain/oracle/dto/verify-signature.dto.ts

@@ -22,6 +22,3 @@ export class VerifySignatureDto {
   })
   expectedSigner: string;
 }
-
-
-

src/blockchain/oracle/entities/signed-payload.entity.ts

@@ -141,6 +141,3 @@ export class SignedPayload {
   @Column({ type: "timestamp", nullable: true })
   confirmedAt: Date | null;
 }
-
-
-

src/blockchain/oracle/entities/submission-nonce.entity.ts

@@ -41,6 +41,3 @@ export class SubmissionNonce {
   @UpdateDateColumn()
   updatedAt: Date;
 }
-
-
-

src/blockchain/oracle/oracle.controller.ts

@@ -252,6 +252,3 @@ export class OracleController {
     };
   }
 }
-
-
-

src/blockchain/oracle/oracle.module.ts

@@ -46,6 +46,3 @@ import { AuditModule } from "src/infrastructure/audit/audit.module";
   ],
 })
 export class OracleModule {}
-
-
-

src/blockchain/oracle/services/nonce-management.service.ts

@@ -267,6 +267,3 @@ export class NonceManagementService {
     return deletedCount;
   }
 }
-
-
-

src/blockchain/oracle/services/oracle.service.ts

@@ -393,6 +393,3 @@ export class OracleService {
     };
   }
 }
-
-
-

src/blockchain/oracle/services/payload-signing.service.ts

@@ -251,6 +251,3 @@ export class PayloadSigningService {
     return payloadHash;
   }
 }
-
-
-

src/blockchain/oracle/services/submission-batch.service.spec.ts

@@ -446,6 +446,3 @@ describe("SubmissionBatchService - Exponential Backoff", () => {
     expect(result.attemptNumber).toBe(1);
   });
 });
-
-
-

src/blockchain/oracle/services/submission-batch.service.ts

@@ -747,6 +747,3 @@ export class SubmissionBatchService {
     return new Promise((resolve) => setTimeout(resolve, ms));
   }
 }
-
-
-

src/blockchain/oracle/services/submitter.service.ts

@@ -697,6 +697,3 @@ export class SubmitterService {
     };
   }
 }
-
-
-

src/blockchain/oracle/submission-verifier.controller.ts

@@ -21,6 +21,3 @@ export class SubmissionVerifierController {
     return this.audit.getLogs();
   }
 }
-
-
-

src/blockchain/oracle/submission-verifier.e2e-spec.ts

@@ -19,6 +19,3 @@ describe("Submission Verifier", () => {
     expect(Array.isArray(res.body)).toBe(true);
   });
 });
-
-
-

src/blockchain/oracle/submission-verifier.service.ts

@@ -150,6 +150,3 @@ export class SubmissionVerifierService {
     };
   }
 }
-
-
-

src/common/database/database-index.service.ts

@@ -281,6 +281,3 @@ export class DatabaseIndexService {
     }
   }
 }
-
-
-

src/common/decorators/public.decorator.ts

@@ -12,6 +12,3 @@ export const IS_PUBLIC_KEY = "isPublic";
  * healthCheck() { ... }
  */
 export const Public = () => SetMetadata(IS_PUBLIC_KEY, true);
-
-
-

src/common/decorators/rate-limit.decorator.ts

@@ -48,5 +48,3 @@ export function SensitiveRateLimit(tier: SensitiveTier = "default") {
 export function RateLimit(options: RateLimitOptions) {
   return applyDecorators(SetMetadata(RATE_LIMIT_KEY, options));
 }
-
-

src/common/decorators/roles.decorator.ts

@@ -1,6 +1,3 @@
 // Re-export from canonical location in guard/ to maintain backward compatibility
 export * from "../guard/roles.decorator";
 export * from "../guard/roles.enum";
-
-
-

src/common/decorators/skip-kyc.decorator.ts

@@ -7,6 +7,3 @@ export const SKIP_KYC_KEY = "skipKyc";
  * Use only for onboarding flows that are required to become KYC verified.
  */
 export const SkipKyc = () => SetMetadata(SKIP_KYC_KEY, true);
-
-
-

src/common/filters/global-exception.filter.ts

@@ -105,6 +105,3 @@ export class GlobalExceptionFilter implements ExceptionFilter {
     });
   }
 }
-
-
-

src/common/guard/kyc.guard.ts

@@ -37,6 +37,3 @@ export class KycGuard implements CanActivate {
     return user?.kycVerified === true;
   }
 }
-
-
-

src/common/guard/nonce.guard.spec.ts

@@ -92,6 +92,3 @@ describe("NonceGuard", () => {
     ).rejects.toThrow(ConflictException);
   });
 });
-
-
-

src/common/guard/nonce.guard.ts

@@ -56,6 +56,3 @@ export class NonceGuard implements CanActivate {
     return true;
   }
 }
-
-
-

src/common/guard/role-separation.spec.ts

@@ -90,6 +90,3 @@ describe("Role Separation — Governance cannot access KYC endpoints and vice ve
     });
   });
 });
-
-
-

src/common/guard/roles.decorator.ts

@@ -25,6 +25,3 @@ export const Roles = (...roles: Role[]) => SetMetadata(ROLES_KEY, roles);
  * remove() { ... }
  */
 export const RequireRole = (...roles: Role[]) => SetMetadata(ROLES_KEY, roles);
-
-
-

src/common/guard/roles.enum.ts

@@ -55,6 +55,3 @@ export function hasRole(candidate: Role, required: Role): boolean {
 
   return candidateIdx >= requiredIdx;
 }
-
-
-

src/common/guard/roles.guard.spec.ts

@@ -161,6 +161,3 @@ describe("RolesGuard", () => {
     });
   });
 });
-
-
-

src/common/guard/roles.guard.ts

@@ -75,6 +75,3 @@ export class RolesGuard implements CanActivate {
     return true;
   }
 }
-
-
-

src/common/guard/throttler.guard.ts

@@ -32,6 +32,3 @@ export class ThrottlerUserIpGuard extends ThrottlerGuard {
     return req.ip ?? "unknown";
   }
 }
-
-
-

src/common/index.ts

@@ -26,6 +26,3 @@ export {
   SENSITIVE_BODY_FIELDS,
   REQUEST_ID_HEADER,
 } from "./middleware/logging.config";
-
-
-

src/common/middleware/logging.config.ts

@@ -72,6 +72,3 @@ export const DEFAULT_LOGGING_CONFIG: Required<LoggingMiddlewareConfig> = {
 };
 
 export const REQUEST_ID_HEADER = "x-request-id";
-
-
-

src/common/middleware/logging.middleware.spec.ts

@@ -464,6 +464,3 @@ describe("LoggingMiddleware – performance", () => {
     expect(avgMs).toBeLessThan(2);
   });
 });
-
-
-

src/common/middleware/logging.middleware.ts

@@ -152,6 +152,3 @@ export class LoggingMiddleware implements NestMiddleware {
     return contentLength > this.cfg.maxBodySize;
   }
 }
-
-
-

src/common/middleware/sentry.middleware.ts

@@ -25,6 +25,3 @@ export const sentryBreadcrumbMiddleware = (
 
   next();
 };
-
-
-