Merge pull request #139 from Tria-plc/feat/payment-microservice

Feat/payment microservice

CLAUDE.md

@@ -12,6 +12,7 @@ Monorepo for the Ethio Djibouti Railway (EDR) digital platform. Contains the Fre
 | `edr-freight-web/portal`       | `@edr/freight-portal`       | React frontend for freight customer/portal users   | 5173 |
 | `edr-freight-web/backoffice`   | `@edr/freight-backoffice`   | React frontend for freight backoffice employees    | 5183 |
 | `edr-passenger-api`            | `@edr/passenger-api`        | NestJS API for passenger management                | 3002 |
+| `edr-payment-api`              | `@edr/payment-api`          | NestJS payment microservice (intents, webhooks)    | 3003 |
 | `edr-passenger-web/portal`     | `@edr/passenger-portal`     | React frontend for passenger customer/portal users | 5174 |
 | `edr-passenger-web/backoffice` | `@edr/passenger-backoffice` | React frontend for passenger backoffice employees  | 5184 |
 
@@ -73,6 +74,7 @@ The `@CurrentUser`, `@Roles`, and `@Public` decorators in `@edr/api-common` are
 - `edr-freight-web/portal`: 5173
 - `edr-freight-web/backoffice`: 5183
 - `edr-passenger-api`: 3002
+- `edr-payment-api`: 3003
 - `edr-passenger-web/portal`: 5174
 - `edr-passenger-web/backoffice`: 5184
 
@@ -80,6 +82,7 @@ The `@CurrentUser`, `@Roles`, and `@Public` decorators in `@edr/api-common` are
 
 - `postgres-freight` (port 5433): database `edr_freight` — freight API only.
 - `postgres-passenger` (port 5434): database `edr_passenger` — passenger API only.
+- `edr_payment` schema — lives in the same Postgres database as the domain system (whatever the passenger `DATABASE_URL` points at) but is owned exclusively by `apps/edr-payment-api`. Dedicated DB user, no cross-schema FKs, domain apps have no grants on it (see `docs/payment-service/`).
 - Each app owns its own DB. No cross-database joins; cross-domain data flows through API calls or message queues.
 
 ## Adding a new module to a NestJS app

apps/edr-passenger-api/.env.example

@@ -65,13 +65,25 @@ CARD_WEBHOOK_SECRET=
 CARD_WEBHOOK_URL=
 CARD_RETURN_URL=
 
-# Waafi (Djibouti Mobile Money)
-WAAFI_BASE_URL=https://api.waafipay.net
+# Waafi (Djibouti Mobile Money — Hosted Payment Page)
+# Sandbox: https://sandbox.waafipay.net  |  Production: https://api.waafipay.net
+WAAFI_BASE_URL=https://sandbox.waafipay.net
 WAAFI_MERCHANT_UID=
-WAAFI_API_USER_ID=
-WAAFI_API_KEY=
+WAAFI_STORE_ID=
+WAAFI_HPP_KEY=
+# HMAC secret returned once by WEBHOOK_REGISTER — verifies inbound webhooks
+WAAFI_WEBHOOK_SECRET=
+WAAFI_PAYMENT_METHOD=MWALLET_ACCOUNT
+# Waafi has no ETB; overrides booking currency (USD/DJF/SLSH)
+WAAFI_CURRENCY=DJF
+WAAFI_HPP_SUCCESS_URL=
+WAAFI_HPP_FAILURE_URL=
+# 1 = POST, 2 = GET, 4 = Result Token
+WAAFI_HPP_RESP_FORMAT=1
+# Registered webhook URL (registration done out-of-band)
 WAAFI_NOTIFY_URL=
-WAAFI_RETURN_URL=
+# DEV ONLY — disable TLS cert verification (sandbox serves a *.waafi.com cert). Never true in prod.
+WAAFI_INSECURE_TLS=false
 
 # Payment Configuration
 PAYMENT_PROVIDERS_ENABLED=TELEBIRR,CBE_BIRR,EBIRR,CARD,WALLET,WAAFI

apps/edr-passenger-api/package.json

@@ -21,7 +21,6 @@
   },
 
   "dependencies": {
-    "@edr/payment-providers": "workspace:*",
     "@edr/types": "workspace:*",
     "@nestjs/axios": "^4.0.1",
     "@nestjs/common": "^11.0.0",

apps/edr-passenger-api/src/common/guards/service-auth.guard.ts

@@ -0,0 +1,54 @@
+import {
+  CanActivate,
+  ExecutionContext,
+  Injectable,
+  Logger,
+  UnauthorizedException,
+} from "@nestjs/common";
+import { timingSafeEqual } from "node:crypto";
+import { Request } from "express";
+
+/**
+ * Shared-secret guard for endpoints only the payment microservice may call
+ * (e.g. /internal/payments/mark-paid). The secret is the same SERVICE_AUTH_TOKEN the
+ * payment service enforces on its own internal surface. A forged mark-paid must not be able
+ * to confirm a booking without a real payment.
+ * TODO: integrate @tria-plc IAM / mTLS as the long-term mechanism.
+ */
+@Injectable()
+export class ServiceAuthGuard implements CanActivate {
+  private readonly logger = new Logger(ServiceAuthGuard.name);
+  private readonly token = process.env.SERVICE_AUTH_TOKEN ?? "";
+  private warned = false;
+
+  constructor() {
+    if (!this.token && process.env.NODE_ENV === "production") {
+      throw new Error("SERVICE_AUTH_TOKEN must be set in production");
+    }
+  }
+
+  canActivate(context: ExecutionContext): boolean {
+    if (!this.token) {
+      if (!this.warned) {
+        this.logger.warn(
+          "SERVICE_AUTH_TOKEN unset — internal endpoints are UNGUARDED (dev only)",
+        );
+        this.warned = true;
+      }
+      return true;
+    }
+
+    const request = context.switchToHttp().getRequest<Request>();
+    const header = request.headers["x-service-token"];
+    const bearer = request.headers.authorization?.replace(/^Bearer\s+/i, "");
+    const presented =
+      (Array.isArray(header) ? header[0] : header) ?? bearer ?? "";
+
+    const expected = Buffer.from(this.token);
+    const actual = Buffer.from(presented);
+    const valid =
+      expected.length === actual.length && timingSafeEqual(expected, actual);
+    if (!valid) throw new UnauthorizedException("Invalid service token");
+    return true;
+  }
+}

apps/edr-passenger-api/src/config/waafi.config.ts

@@ -1,10 +1,27 @@
 import { registerAs } from '@nestjs/config';
 
 export default registerAs('waafi', () => ({
-  baseUrl: process.env.WAAFI_BASE_URL ?? 'https://api.waafipay.net',
+  // `/asm` is appended in the provider; use sandbox by default, switch to
+  // https://api.waafipay.net in production.
+  baseUrl: process.env.WAAFI_BASE_URL ?? 'https://sandbox.waafipay.net',
+  // HPP credentials (Hosted Payment Page family).
   merchantUid: process.env.WAAFI_MERCHANT_UID ?? '',
-  apiUserId: process.env.WAAFI_API_USER_ID ?? '',
-  apiKey: process.env.WAAFI_API_KEY ?? '',
+  storeId: process.env.WAAFI_STORE_ID ?? '',
+  hppKey: process.env.WAAFI_HPP_KEY ?? '',
+  // HMAC secret returned once by WEBHOOK_REGISTER; verifies inbound webhooks.
+  webhookSecret: process.env.WAAFI_WEBHOOK_SECRET ?? '',
+  // Wallet payment method (EVC/ZAAD/Sahal) — MWALLET_ACCOUNT requires the payer phone up front.
+  paymentMethod: process.env.WAAFI_PAYMENT_METHOD ?? 'MWALLET_ACCOUNT',
+  // Waafi has no ETB; when set this overrides the booking currency (USD/DJF/SLSH).
+  currency: process.env.WAAFI_CURRENCY ?? 'DJF',
+  // Browser redirect targets after the hosted page completes/fails (UX only; webhook is source of truth).
+  successUrl: process.env.WAAFI_HPP_SUCCESS_URL ?? '',
+  failureUrl: process.env.WAAFI_HPP_FAILURE_URL ?? '',
+  // Callback data format: 1 = POST, 2 = GET, 4 = Result Token.
+  respDataFormat: Number(process.env.WAAFI_HPP_RESP_FORMAT ?? '1'),
+  // Registered webhook URL (reference only; registration is performed out-of-band).
   notifyUrl: process.env.WAAFI_NOTIFY_URL ?? '',
-  returnUrl: process.env.WAAFI_RETURN_URL ?? '',
+  // DEV ONLY: disable TLS cert verification. The Waafi sandbox serves a *.waafi.com cert that
+  // does not match sandbox.waafipay.net (ERR_TLS_CERT_ALTNAME_INVALID). Never enable in prod.
+  insecureTls: process.env.WAAFI_INSECURE_TLS === 'true',
 }));

apps/edr-passenger-api/src/main.ts

@@ -8,7 +8,9 @@ import { ResponseTransformInterceptor } from "./common/interceptors/response-tra
 import { SessionActivityInterceptor } from "./common/interceptors/session-activity.interceptor";
 
 async function bootstrap() {
-  const app = await NestFactory.create(AppModule);
+  // rawBody: true buffers the unparsed request body onto req.rawBody so webhook handlers
+  // (e.g. Waafi HMAC verification) can sign over the exact bytes the provider signed.
+  const app = await NestFactory.create(AppModule, { rawBody: true });
 
   app.enableCors({
     origin: [

apps/edr-passenger-api/src/modules/payments/internal-payments.controller.ts

@@ -0,0 +1,35 @@
+import {
+  Body,
+  Controller,
+  HttpCode,
+  HttpStatus,
+  Post,
+  UseGuards,
+} from "@nestjs/common";
+import { ApiOperation, ApiTags } from "@nestjs/swagger";
+import { ServiceAuthGuard } from "../../common/guards/service-auth.guard";
+import { PaymentEventDto, MarkPaidResponseDto } from "./internal-payments.dto";
+import { PaymentsService } from "./payments.service";
+
+/**
+ * Consumer side of the payment microservice's outbox relay (docs/payment-service §7.3).
+ * Only the payment service may call this (shared service token). Idempotent by design:
+ * the relay delivers at-least-once, so duplicates must be harmless. Becomes a queue
+ * consumer when RabbitMQ lands — the handler logic is transport-agnostic.
+ */
+@ApiTags("Internal Payments")
+@UseGuards(ServiceAuthGuard)
+@Controller("internal/payments")
+export class InternalPaymentsController {
+  constructor(private readonly paymentsService: PaymentsService) {}
+
+  @Post("mark-paid")
+  @HttpCode(HttpStatus.OK)
+  @ApiOperation({
+    summary:
+      "Apply a payment.succeeded/payment.failed event from the payment service (idempotent)",
+  })
+  async markPaid(@Body() event: PaymentEventDto): Promise<MarkPaidResponseDto> {
+    return this.paymentsService.handlePaymentEvent(event);
+  }
+}

apps/edr-passenger-api/src/modules/payments/internal-payments.dto.ts

@@ -0,0 +1,57 @@
+import {
+  IsEnum,
+  IsIn,
+  IsInt,
+  IsISO8601,
+  IsOptional,
+  IsPositive,
+  IsString,
+  IsUUID,
+} from "class-validator";
+import { ApiProperty, ApiPropertyOptional } from "@nestjs/swagger";
+import {
+  PaymentEventType,
+  PaymentReferenceType,
+  PaymentService,
+  ProviderMethod,
+} from "@edr/types";
+
+/**
+ * Wire shape of the `PaymentEvent` envelope (@edr/types) delivered by the payment
+ * microservice's outbox relay. Delivery is at-least-once — the consumer is idempotent.
+ */
+export class PaymentEventDto {
+  @ApiProperty({ enum: [1] }) @IsIn([1]) version!: 1;
+  @ApiProperty() @IsUUID() eventId!: string;
+  @ApiProperty({ enum: ["payment.succeeded", "payment.failed"] })
+  @IsIn(["payment.succeeded", "payment.failed"])
+  eventType!: PaymentEventType;
+
+  @ApiProperty() @IsISO8601() occurredAt!: string;
+  @ApiProperty({ enum: PaymentService })
+  @IsEnum(PaymentService)
+  service!: PaymentService;
+  @ApiProperty() @IsUUID() intentId!: string;
+  @ApiProperty({ enum: PaymentReferenceType })
+  @IsEnum(PaymentReferenceType)
+  referenceType!: PaymentReferenceType;
+
+  @ApiProperty() @IsString() referenceId!: string;
+  @ApiProperty() @IsString() merchantOrderId!: string;
+  @ApiProperty({ enum: ProviderMethod })
+  @IsEnum(ProviderMethod)
+  provider!: ProviderMethod;
+  @ApiProperty() @IsInt() @IsPositive() amountMinor!: number;
+  @ApiProperty() @IsString() currency!: string;
+
+  @ApiPropertyOptional() @IsOptional() @IsString() providerTxnId?: string;
+  @ApiPropertyOptional() @IsOptional() @IsISO8601() paidAt?: string;
+  @ApiPropertyOptional() @IsOptional() @IsString() failureCode?: string;
+  @ApiPropertyOptional() @IsOptional() @IsString() failureMessage?: string;
+}
+
+export class MarkPaidResponseDto {
+  @ApiProperty() processed!: boolean;
+  @ApiPropertyOptional() alreadyFinalized?: boolean;
+  @ApiPropertyOptional() reason?: string;
+}

apps/edr-passenger-api/src/modules/payments/payment-client.service.ts

@@ -0,0 +1,92 @@
+import { BadGatewayException, Injectable, Logger } from "@nestjs/common";
+import { HttpService } from "@nestjs/axios";
+import { AxiosError } from "axios";
+import { firstValueFrom } from "rxjs";
+import {
+  InitiatePaymentRequest,
+  PaymentIntentSnapshot,
+  PaymentReferenceType,
+  PaymentService,
+} from "@edr/types";
+
+/**
+ * Thin HTTP client for the payment microservice (apps/edr-payment-api) — the passenger app's
+ * side of the Phase 6 cutover (docs/payment-service §10). Domain validation stays here;
+ * provider calls, intents, and webhooks live in the payment service.
+ */
+@Injectable()
+export class PaymentClientService {
+  private readonly logger = new Logger(PaymentClientService.name);
+  private readonly baseUrl = (
+    process.env.PAYMENT_API_URL ?? "http://localhost:3003"
+  ).replace(/\/$/, "");
+  private readonly serviceToken = process.env.SERVICE_AUTH_TOKEN ?? "";
+
+  constructor(private readonly http: HttpService) {}
+
+  /** POST /payments/initiate — idempotent per (service, referenceType, referenceId). */
+  async initiate(
+    request: InitiatePaymentRequest,
+  ): Promise<PaymentIntentSnapshot> {
+    return this.call("POST", "/payments/initiate", request);
+  }
+
+  /** GET /payments/intents?… — active intent by domain reference; null when none exists. */
+  async getIntentByReference(
+    referenceType: PaymentReferenceType,
+    referenceId: string,
+  ): Promise<PaymentIntentSnapshot | null> {
+    const query = new URLSearchParams({
+      service: PaymentService.PASSENGER,
+      referenceType,
+      referenceId,
+    });
+    try {
+      return await this.call("GET", `/payments/intents?${query.toString()}`);
+    } catch (err) {
+      if (err instanceof AxiosError && err.response?.status === 404)
+        return null;
+      throw err;
+    }
+  }
+
+  private async call<T>(
+    method: "GET" | "POST",
+    path: string,
+    body?: unknown,
+  ): Promise<T> {
+    const url = `${this.baseUrl}${path}`;
+    try {
+      const response = await firstValueFrom(
+        this.http.request<T>({
+          method,
+          url,
+          data: body,
+          headers: this.serviceToken
+            ? { "x-service-token": this.serviceToken }
+            : {},
+        }),
+      );
+      return response.data;
+    } catch (err) {
+      if (err instanceof AxiosError && err.response) {
+        // 4xx/5xx from the payment service: propagate 404 to callers that handle it;
+        // everything else is a gateway-level failure from the client's perspective.
+        if (err.response.status === 404) throw err;
+        const detail =
+          (err.response.data as { message?: string | string[] })?.message ??
+          err.message;
+        this.logger.error(
+          `payment service ${method} ${path} → ${err.response.status}: ${detail}`,
+        );
+        throw new BadGatewayException(`Payment service error: ${detail}`);
+      }
+      const message =
+        err instanceof Error && err.message ? err.message : String(err);
+      this.logger.error(
+        `payment service unreachable (${method} ${path}): ${message}`,
+      );
+      throw new BadGatewayException("Payment service unreachable");
+    }
+  }
+}

apps/edr-passenger-api/src/modules/payments/payments.adapters.ts

@@ -1,10 +1,50 @@
-export interface GatewayResult { success: boolean; providerRef: string; clientAction?: { type: string; url?: string }; }
-
-export async function telebirrAdapter(_a: number, ref: string): Promise<GatewayResult> {
-  await new Promise((r) => setTimeout(r, 200));
-  return { success: true, providerRef: `TB-${ref}-${Date.now()}`, clientAction: { type: 'REDIRECT', url: `https://telebirr.sandbox.com/pay/${ref}` } };
+export interface GatewayResult {
+  success: boolean;
+  providerRef: string;
+  clientAction?: { type: string; url?: string };
+}
+
+export async function telebirrAdapter(
+  _a: number,
+  ref: string,
+): Promise<GatewayResult> {
+  await new Promise((r) => setTimeout(r, 200));
+  return {
+    success: true,
+    providerRef: `TB-${ref}-${Date.now()}`,
+    clientAction: {
+      type: "REDIRECT",
+      url: `https://telebirr.sandbox.com/pay/${ref}`,
+    },
+  };
+}
+export async function cbeBirrAdapter(
+  _a: number,
+  ref: string,
+): Promise<GatewayResult> {
+  await new Promise((r) => setTimeout(r, 150));
+  return { success: true, providerRef: `CBE-${ref}-${Date.now()}` };
+}
+export async function eBirrAdapter(
+  _a: number,
+  ref: string,
+): Promise<GatewayResult> {
+  await new Promise((r) => setTimeout(r, 150));
+  return { success: true, providerRef: `EB-${ref}-${Date.now()}` };
+}
+export async function cardAdapter(
+  _a: number,
+  ref: string,
+): Promise<GatewayResult> {
+  await new Promise((r) => setTimeout(r, 150));
+  return {
+    success: !ref.startsWith("FAIL"),
+    providerRef: `CARD-${ref}-${Date.now()}`,
+  };
+}
+export async function walletAdapter(
+  amount: number,
+  balance: number,
+): Promise<GatewayResult> {
+  return { success: balance >= amount, providerRef: `WALLET-${Date.now()}` };
 }
-export async function cbeBirrAdapter(_a: number, ref: string): Promise<GatewayResult> { await new Promise((r) => setTimeout(r, 150)); return { success: true, providerRef: `CBE-${ref}-${Date.now()}` }; }
-export async function eBirrAdapter(_a: number, ref: string): Promise<GatewayResult>   { await new Promise((r) => setTimeout(r, 150)); return { success: true, providerRef: `EB-${ref}-${Date.now()}` }; }
-export async function cardAdapter(_a: number, ref: string): Promise<GatewayResult>    { await new Promise((r) => setTimeout(r, 150)); return { success: !ref.startsWith('FAIL'), providerRef: `CARD-${ref}-${Date.now()}` }; }
-export async function walletAdapter(amount: number, balance: number): Promise<GatewayResult> { return { success: balance >= amount, providerRef: `WALLET-${Date.now()}` }; }

apps/edr-passenger-api/src/modules/payments/payments.controller.ts

@@ -1,34 +1,59 @@
-import { Body, Controller, Get, HttpStatus, Param, Post, Query, Res, UseGuards } from '@nestjs/common';
-import { ApiTags, ApiOperation, ApiBearerAuth, ApiQuery, ApiOkResponse, ApiProduces } from '@nestjs/swagger';
-import { Response } from 'express';
-import { PaymentsService } from './payments.service';
-import { InitiatePaymentDto, RefundDto, AddPaymentMethodDto, PaymentRegionEnum, SupportedPaymentMethodDto, PaymentMethodTypeEnum, PaymentPlatformDto } from './payments.dto';
-import { JwtGuard } from '../../common/jwt.guard';
-import { RolesGuard } from '../../common/roles.guard';
-import { Roles } from '../../common/roles.decorator';
-import { UserRole } from '@prisma/client';
+import {
+  Body,
+  Controller,
+  Get,
+  HttpStatus,
+  Param,
+  Post,
+  Query,
+  Res,
+  UseGuards,
+} from "@nestjs/common";
+import {
+  ApiTags,
+  ApiOperation,
+  ApiBearerAuth,
+  ApiQuery,
+  ApiOkResponse,
+  ApiProduces,
+} from "@nestjs/swagger";
+import { Response } from "express";
+import { PaymentsService } from "./payments.service";
+import {
+  InitiatePaymentDto,
+  RefundDto,
+  AddPaymentMethodDto,
+  PaymentRegionEnum,
+  SupportedPaymentMethodDto,
+  PaymentMethodTypeEnum,
+  PaymentPlatformDto,
+} from "./payments.dto";
+import { JwtGuard } from "../../common/jwt.guard";
+import { RolesGuard } from "../../common/roles.guard";
+import { Roles } from "../../common/roles.decorator";
+import { UserRole } from "@prisma/client";
 
-@ApiTags('Payment')
-@Controller('payments')
+@ApiTags("Payment")
+@Controller("payments")
 export class PaymentsController {
   constructor(private service: PaymentsService) {}
 
-  @Get('all')
+  @Get("all")
   @UseGuards(JwtGuard, RolesGuard)
   @Roles(UserRole.ADMIN, UserRole.SUPERVISOR, UserRole.STAFF)
-  @ApiBearerAuth('JWT-auth')
-  @ApiOperation({ summary: 'Get all payments with filters (staff/admin only)' })
-  @ApiQuery({ name: 'search', required: false })
-  @ApiQuery({ name: 'status', required: false })
-  @ApiQuery({ name: 'method', required: false })
-  @ApiQuery({ name: 'page', required: false })
-  @ApiQuery({ name: 'pageSize', required: false })
+  @ApiBearerAuth("JWT-auth")
+  @ApiOperation({ summary: "Get all payments with filters (staff/admin only)" })
+  @ApiQuery({ name: "search", required: false })
+  @ApiQuery({ name: "status", required: false })
+  @ApiQuery({ name: "method", required: false })
+  @ApiQuery({ name: "page", required: false })
+  @ApiQuery({ name: "pageSize", required: false })
   async getAll(
-    @Query('search') search?: string,
-    @Query('status') status?: string,
-    @Query('method') method?: string,
-    @Query('page') page?: string,
-    @Query('pageSize') pageSize?: string,
+    @Query("search") search?: string,
+    @Query("status") status?: string,
+    @Query("method") method?: string,
+    @Query("page") page?: string,
+    @Query("pageSize") pageSize?: string,
   ) {
     return this.service.getAll({
       search,
@@ -38,80 +63,121 @@ export class PaymentsController {
       pageSize: pageSize ? parseInt(pageSize) : 10,
     });
   }
-  
-  @Post('initiate')
-  @ApiOperation({ 
-    summary: 'Initiate payment with nationality-based payment methods',
-    description: `Initiates payment for a booking with support for multiple payment providers:\n\n**Ethiopian Payment Methods:**\n- TELEBIRR - Ethiopia's leading mobile money\n- CBE_BIRR - Commercial Bank of Ethiopia\n- EBIRR - Electronic payment gateway\n\n**Djiboutian Payment Methods:**\n- WAAFI - Djibouti's mobile money service\n\n**International Payment Methods:**\n- CARD - Visa, Mastercard\n- WALLET - Internal wallet balance\n\n**Multi-Currency:**\n- All transactions processed in ETB\n- Display amounts in ETB, DJF, or USD\n- Real-time exchange rate conversion`
+
+  @Post("initiate")
+  @ApiOperation({
+    summary: "Initiate payment with nationality-based payment methods",
+    description: `Initiates payment for a booking with support for multiple payment providers:\n\n**Ethiopian Payment Methods:**\n- TELEBIRR - Ethiopia's leading mobile money\n- CBE_BIRR - Commercial Bank of Ethiopia\n- EBIRR - Electronic payment gateway\n\n**Djiboutian Payment Methods:**\n- WAAFI - Djibouti's mobile money service\n\n**International Payment Methods:**\n- CARD - Visa, Mastercard\n- WALLET - Internal wallet balance\n\n**Multi-Currency:**\n- All transactions processed in ETB\n- Display amounts in ETB, DJF, or USD\n- Real-time exchange rate conversion`,
   })
-  initiatePayment(@Body() dto: InitiatePaymentDto) { return this.service.initiatePayment(dto); }
-  
-  @Get('intents/:bookingId')
-  @ApiOperation({ summary: 'Get payment intent status for a booking' })
-  getIntent(@Param('bookingId') bookingId: string) { return this.service.getIntentByBookingId(bookingId); }
-  
-  @Post('refund')
+  initiatePayment(@Body() dto: InitiatePaymentDto) {
+    return this.service.initiatePayment(dto);
+  }
+
+  @Get("intents/:bookingId")
+  @ApiOperation({ summary: "Get payment intent status for a booking" })
+  getIntent(@Param("bookingId") bookingId: string) {
+    return this.service.getIntentByBookingId(bookingId);
+  }
+
+  @Post("refund")
   @UseGuards(JwtGuard, RolesGuard)
   @Roles(UserRole.ADMIN, UserRole.STAFF, UserRole.AGENT)
-  @ApiBearerAuth('JWT-auth')
-  @ApiOperation({ summary: 'Refund a confirmed booking (staff/agent only)' })
-  refund(@Body() dto: RefundDto) { return this.service.refund(dto); }
+  @ApiBearerAuth("JWT-auth")
+  @ApiOperation({ summary: "Refund a confirmed booking (staff/agent only)" })
+  refund(@Body() dto: RefundDto) {
+    return this.service.refund(dto);
+  }
 
-  @Post('methods')
+  @Post("methods")
   @UseGuards(JwtGuard, RolesGuard)
   @Roles(UserRole.ADMIN, UserRole.STAFF)
-  @ApiBearerAuth('JWT-auth')
-  @ApiOperation({ summary: 'Add a payment system to the platform catalog (admin only)' })
-  addMethod(@Body() dto: AddPaymentMethodDto) { return this.service.addPaymentMethod(dto); }
-  
-  @Get('methods')
+  @ApiBearerAuth("JWT-auth")
   @ApiOperation({
-    summary: 'List payment systems supported by the platform',
-    description: 'Returns the global catalog of accepted payment systems. Not user-specific. Optionally filter by region to match a passenger\'s nationality.',
+    summary: "Add a payment system to the platform catalog (admin only)",
   })
-  @ApiQuery({ name: 'region', enum: PaymentRegionEnum, required: false })
-  @ApiOkResponse({ type: [SupportedPaymentMethodDto] })
-  getMethods(@Query('region') region?: PaymentRegionEnum) { return this.service.getSupportedPaymentMethods(region); }
+  addMethod(@Body() dto: AddPaymentMethodDto) {
+    return this.service.addPaymentMethod(dto);
+  }
 
-  @Get('checkout')
+  @Get("methods")
   @ApiOperation({
-    summary: 'Browser checkout redirect',
-    description: 'Initiates payment and returns an HTML page that auto-redirects the browser to the provider checkout URL. Designed to be opened directly in a browser tab.',
+    summary: "List payment systems supported by the platform",
+    description:
+      "Returns the global catalog of accepted payment systems. Not user-specific. Optionally filter by region to match a passenger's nationality.",
   })
-  @ApiQuery({ name: 'bookingId', required: true })
-  @ApiQuery({ name: 'method', enum: PaymentMethodTypeEnum, required: true })
-  @ApiQuery({ name: 'platform', enum: ['web', 'mobile'], required: false })
-  @ApiProduces('text/html')
+  @ApiQuery({ name: "region", enum: PaymentRegionEnum, required: false })
+  @ApiOkResponse({ type: [SupportedPaymentMethodDto] })
+  getMethods(@Query("region") region?: PaymentRegionEnum) {
+    return this.service.getSupportedPaymentMethods(region);
+  }
+
+  @Get("checkout")
+  @ApiOperation({
+    summary: "Browser checkout redirect",
+    description:
+      "Initiates payment and returns an HTML page that auto-redirects the browser to the provider checkout URL. Designed to be opened directly in a browser tab.",
+  })
+  @ApiQuery({ name: "bookingId", required: true })
+  @ApiQuery({ name: "method", enum: PaymentMethodTypeEnum, required: true })
+  @ApiQuery({ name: "platform", enum: ["web", "mobile"], required: false })
+  @ApiProduces("text/html")
   async checkout(
-    @Query('bookingId') bookingId: string,
-    @Query('method') method: PaymentMethodTypeEnum,
-    @Query('platform') platform: PaymentPlatformDto = 'web',
+    @Query("bookingId") bookingId: string,
+    @Query("method") method: PaymentMethodTypeEnum,
+    @Query("platform") platform: PaymentPlatformDto = "web",
     @Res() res: Response,
   ) {
     if (!bookingId) {
-      return res.status(HttpStatus.BAD_REQUEST).type('html').send(this.buildErrorHtml('Missing required query parameter: bookingId'));
+      return res
+        .status(HttpStatus.BAD_REQUEST)
+        .type("html")
+        .send(
+          this.buildErrorHtml("Missing required query parameter: bookingId"),
+        );
     }
     if (!method || !Object.values(PaymentMethodTypeEnum).includes(method)) {
-      return res.status(HttpStatus.BAD_REQUEST).type('html').send(this.buildErrorHtml('Missing or invalid query parameter: method'));
+      return res
+        .status(HttpStatus.BAD_REQUEST)
+        .type("html")
+        .send(
+          this.buildErrorHtml("Missing or invalid query parameter: method"),
+        );
     }
 
     try {
-      const result = await this.service.initiatePayment({ bookingId, method, platform });
-      const url = result.clientAction?.type === 'REDIRECT' ? result.clientAction.url : undefined;
+      const result = await this.service.initiatePayment({
+        bookingId,
+        method,
+        platform,
+      });
+      const url =
+        result.clientAction?.type === "REDIRECT"
+          ? result.clientAction.url
+          : undefined;
 
       if (url) {
-        return res.status(HttpStatus.OK).type('html').send(this.buildRedirectHtml(url));
+        return res
+          .status(HttpStatus.OK)
+          .type("html")
+          .send(this.buildRedirectHtml(url));
       }
 
-      return res.status(HttpStatus.OK).type('html').send(this.buildStatusHtml(result.status, result.intentId));
+      return res
+        .status(HttpStatus.OK)
+        .type("html")
+        .send(this.buildStatusHtml(result.status, result.intentId));
     } catch (err: unknown) {
-      const message = err instanceof Error ? err.message : 'An unexpected error occurred';
-      return res.status(HttpStatus.OK).type('html').send(this.buildErrorHtml(message));
+      const message =
+        err instanceof Error ? err.message : "An unexpected error occurred";
+      return res
+        .status(HttpStatus.OK)
+        .type("html")
+        .send(this.buildErrorHtml(message));
     }
   }
 
   private buildRedirectHtml(url: string): string {
-    const escaped = url.replace(/\"/g, '"');
+    const escaped = url.replace(/\"/g, """);
     return `<!DOCTYPE html>
 <html lang="en">
 <head>

apps/edr-passenger-api/src/modules/payments/payments.dto.ts

@@ -1,36 +1,53 @@
-import { IsString, IsEnum, IsOptional, IsIn, IsBoolean, IsInt } from 'class-validator';
-import { ApiProperty, ApiPropertyOptional } from '@nestjs/swagger';
-import { PaymentIntentStatus } from '@prisma/client';
+import {
+  IsString,
+  IsEnum,
+  IsOptional,
+  IsIn,
+  IsBoolean,
+  IsInt,
+} from "class-validator";
+import { ApiProperty, ApiPropertyOptional } from "@nestjs/swagger";
+import { PaymentIntentStatus } from "@prisma/client";
 
 export enum PaymentRegionEnum {
-  ETHIOPIA = 'ETHIOPIA',
-  DJIBOUTI = 'DJIBOUTI',
-  INTERNATIONAL = 'INTERNATIONAL',
-  GLOBAL = 'GLOBAL',
+  ETHIOPIA = "ETHIOPIA",
+  DJIBOUTI = "DJIBOUTI",
+  INTERNATIONAL = "INTERNATIONAL",
+  GLOBAL = "GLOBAL",
 }
 
-export enum PaymentMethodTypeEnum { 
-  TELEBIRR = 'TELEBIRR',  // Ethiopia
-  CBE_BIRR = 'CBE_BIRR',  // Ethiopia
-  EBIRR = 'EBIRR',        // Ethiopia
-  WAAFI = 'WAAFI',        // Djibouti
-  CARD = 'CARD',          // International
-  WALLET = 'WALLET'       // Internal
+export enum PaymentMethodTypeEnum {
+  TELEBIRR = "TELEBIRR", // Ethiopia
+  CBE_BIRR = "CBE_BIRR", // Ethiopia
+  EBIRR = "EBIRR", // Ethiopia
+  WAAFI = "WAAFI", // Djibouti
+  CARD = "CARD", // International
+  WALLET = "WALLET", // Internal
 }
 
-export type PaymentPlatformDto = 'web' | 'mobile';
+export type PaymentPlatformDto = "web" | "mobile";
 
 export class InitiatePaymentDto {
-  @ApiProperty({ example: 'booking-uuid' }) @IsString() bookingId: string;
+  @ApiProperty({ example: "booking-uuid" }) @IsString() bookingId: string;
   @ApiProperty({
     enum: PaymentMethodTypeEnum,
-    description: 'Payment method: TELEBIRR/CBE_BIRR/EBIRR (Ethiopia), WAAFI (Djibouti), CARD (International), WALLET (Internal)',
-    example: 'TELEBIRR'
-  }) @IsEnum(PaymentMethodTypeEnum) method: PaymentMethodTypeEnum;
-  @ApiPropertyOptional({ description: 'Saved payment method ID (optional)' }) @IsOptional() @IsString() paymentMethodId?: string;
-  @ApiPropertyOptional({ enum: ['web', 'mobile'], default: 'web', description: 'Payment platform (web or mobile)' })
+    description:
+      "Payment method: TELEBIRR/CBE_BIRR/EBIRR (Ethiopia), WAAFI (Djibouti), CARD (International), WALLET (Internal)",
+    example: "TELEBIRR",
+  })
+  @IsEnum(PaymentMethodTypeEnum)
+  method: PaymentMethodTypeEnum;
+  @ApiPropertyOptional({ description: "Saved payment method ID (optional)" })
   @IsOptional()
-  @IsIn(['web', 'mobile'])
+  @IsString()
+  paymentMethodId?: string;
+  @ApiPropertyOptional({
+    enum: ["web", "mobile"],
+    default: "web",
+    description: "Payment platform (web or mobile)",
+  })
+  @IsOptional()
+  @IsIn(["web", "mobile"])
   platform?: PaymentPlatformDto;
 }
 
@@ -40,42 +57,76 @@ export class RefundDto {
 }
 
 export class AddPaymentMethodDto {
-  @ApiProperty({ enum: PaymentMethodTypeEnum }) @IsEnum(PaymentMethodTypeEnum) type: PaymentMethodTypeEnum;
+  @ApiProperty({ enum: PaymentMethodTypeEnum })
+  @IsEnum(PaymentMethodTypeEnum)
+  type: PaymentMethodTypeEnum;
   @ApiProperty() @IsString() displayName: string;
-  @ApiProperty({ enum: PaymentRegionEnum }) @IsEnum(PaymentRegionEnum) region: PaymentRegionEnum;
-  @ApiPropertyOptional({ example: 'ETB' }) @IsOptional() @IsString() currency?: string;
+  @ApiProperty({ enum: PaymentRegionEnum })
+  @IsEnum(PaymentRegionEnum)
+  region: PaymentRegionEnum;
+  @ApiPropertyOptional({ example: "ETB" })
+  @IsOptional()
+  @IsString()
+  currency?: string;
   @ApiPropertyOptional() @IsOptional() @IsString() providerId?: string;
-  @ApiPropertyOptional({ default: true }) @IsOptional() @IsBoolean() enabled?: boolean;
-  @ApiPropertyOptional({ default: 0 }) @IsOptional() @IsInt() sortOrder?: number;
+  @ApiPropertyOptional({ default: true })
+  @IsOptional()
+  @IsBoolean()
+  enabled?: boolean;
+  @ApiPropertyOptional({ default: 0 })
+  @IsOptional()
+  @IsInt()
+  sortOrder?: number;
 }
 
 export class SupportedPaymentMethodDto {
   @ApiProperty({ enum: PaymentMethodTypeEnum }) type: PaymentMethodTypeEnum;
-  @ApiProperty({ example: 'Telebirr' }) displayName: string;
+  @ApiProperty({ example: "Telebirr" }) displayName: string;
   @ApiProperty({ enum: PaymentRegionEnum }) region: PaymentRegionEnum;
-  @ApiProperty({ example: 'ETB', description: 'Settlement currency for this method' }) currency: string;
-  @ApiProperty({ description: 'Whether the platform currently accepts this method' }) enabled: boolean;
+  @ApiProperty({
+    example: "ETB",
+    description: "Settlement currency for this method",
+  })
+  currency: string;
+  @ApiProperty({
+    description: "Whether the platform currently accepts this method",
+  })
+  enabled: boolean;
 }
 
 export class ClientActionDto {
-  @ApiProperty({ enum: ['REDIRECT', 'LAUNCH_APP'] }) type: 'REDIRECT' | 'LAUNCH_APP';
-  @ApiPropertyOptional({ description: 'Set when type=REDIRECT (web flow)' }) url?: string;
-  @ApiPropertyOptional({ description: 'Set when type=LAUNCH_APP (mobile flow)' }) prepayId?: string;
-  @ApiPropertyOptional({ description: 'Set when type=LAUNCH_APP (mobile flow)' }) receiveCode?: string;
-  @ApiPropertyOptional({ description: 'Set when type=LAUNCH_APP (mobile flow)' }) shortCode?: string;
+  @ApiProperty({ enum: ["REDIRECT", "LAUNCH_APP"] }) type:
+    | "REDIRECT"
+    | "LAUNCH_APP";
+  @ApiPropertyOptional({ description: "Set when type=REDIRECT (web flow)" })
+  url?: string;
+  @ApiPropertyOptional({
+    description: "Set when type=LAUNCH_APP (mobile flow)",
+  })
+  prepayId?: string;
+  @ApiPropertyOptional({
+    description: "Set when type=LAUNCH_APP (mobile flow)",
+  })
+  receiveCode?: string;
+  @ApiPropertyOptional({
+    description: "Set when type=LAUNCH_APP (mobile flow)",
+  })
+  shortCode?: string;
 }
 
 export class InitiateResponseDto {
   @ApiProperty() intentId: string;
   @ApiProperty({ enum: PaymentIntentStatus }) status: PaymentIntentStatus;
-  @ApiPropertyOptional({ type: ClientActionDto }) clientAction?: ClientActionDto;
+  @ApiPropertyOptional({ type: ClientActionDto })
+  clientAction?: ClientActionDto;
   @ApiPropertyOptional() merchantOrderId?: string;
 }
 
 export class IntentStatusDto {
   @ApiProperty() intentId: string;
   @ApiProperty({ enum: PaymentIntentStatus }) status: PaymentIntentStatus;
-  @ApiPropertyOptional({ type: ClientActionDto }) clientAction?: ClientActionDto;
+  @ApiPropertyOptional({ type: ClientActionDto })
+  clientAction?: ClientActionDto;
   @ApiPropertyOptional() merchantOrderId?: string;
   @ApiPropertyOptional() paidAt?: string;
   @ApiPropertyOptional() failureCode?: string;

apps/edr-passenger-api/src/modules/payments/payments.e2e-spec.ts

@@ -1,10 +1,10 @@
-import { Test, TestingModule } from '@nestjs/testing';
-import { INestApplication, ValidationPipe } from '@nestjs/common';
-import request from 'supertest';
-import { AppModule } from '../../app.module';
-import { PrismaService } from '../../common/prisma.service';
+import { Test, TestingModule } from "@nestjs/testing";
+import { INestApplication, ValidationPipe } from "@nestjs/common";
+import request from "supertest";
+import { AppModule } from "../../app.module";
+import { PrismaService } from "../../common/prisma.service";
 
-describe('Payments E2E', () => {
+describe("Payments E2E", () => {
   let app: INestApplication;
   let prisma: PrismaService;
   let authToken: string;
@@ -16,47 +16,123 @@ describe('Payments E2E', () => {
     }).compile();
 
     app = moduleFixture.createNestApplication();
-    app.useGlobalPipes(new ValidationPipe({ transform: true, whitelist: true }));
+    app.useGlobalPipes(
+      new ValidationPipe({ transform: true, whitelist: true }),
+    );
     await app.init();
 
     prisma = app.get<PrismaService>(PrismaService);
 
     const testUser = await prisma.user.create({
-      data: { email: 'payment-test@example.com', phone: '+251911111112', fullName: 'Payment Test User', passwordHash: '$2b$10$abcdefghijklmnopqrstuvwxyz', role: 'PASSENGER' },
+      data: {
+        email: "payment-test@example.com",
+        phone: "+251911111112",
+        fullName: "Payment Test User",
+        passwordHash: "$2b$10$abcdefghijklmnopqrstuvwxyz",
+        role: "PASSENGER",
+      },
     });
 
-    const passenger = await prisma.passenger.create({ data: { userId: testUser.id } });
+    const passenger = await prisma.passenger.create({
+      data: { userId: testUser.id },
+    });
 
-    await prisma.walletAccount.create({ data: { passengerId: passenger.id, balanceMinor: 100000, currency: 'ETB' } });
+    await prisma.walletAccount.create({
+      data: {
+        passengerId: passenger.id,
+        balanceMinor: 100000,
+        currency: "ETB",
+      },
+    });
 
-    authToken = 'mock-jwt-token';
+    authToken = "mock-jwt-token";
 
-    const station1 = await prisma.station.create({ data: { code: 'TST1', name: 'Test Station 1', city: 'Test City', lat: 9.0, lng: 38.0 } });
-    const station2 = await prisma.station.create({ data: { code: 'TST2', name: 'Test Station 2', city: 'Test City 2', lat: 9.5, lng: 38.5 } });
+    const station1 = await prisma.station.create({
+      data: {
+        code: "TST1",
+        name: "Test Station 1",
+        city: "Test City",
+        lat: 9.0,
+        lng: 38.0,
+      },
+    });
+    const station2 = await prisma.station.create({
+      data: {
+        code: "TST2",
+        name: "Test Station 2",
+        city: "Test City 2",
+        lat: 9.5,
+        lng: 38.5,
+      },
+    });
 
-    const train = await prisma.train.create({ data: { number: 'TEST-001', name: 'Test Train' } });
+    const train = await prisma.train.create({
+      data: { number: "TEST-001", name: "Test Train" },
+    });
 
     const schedule = await prisma.trainSchedule.create({
-      data: { trainId: train.id, originStationId: station1.id, destinationStationId: station2.id, departureAt: new Date(Date.now() + 86400000), arrivalAt: new Date(Date.now() + 90000000), durationMinutes: 60 },
+      data: {
+        trainId: train.id,
+        originStationId: station1.id,
+        destinationStationId: station2.id,
+        departureAt: new Date(Date.now() + 86400000),
+        arrivalAt: new Date(Date.now() + 90000000),
+        durationMinutes: 60,
+      },
     });
 
-    const coachType = await prisma.coachType.create({ data: { name: 'Standard', code: 'STD' } });
+    const coachType = await prisma.coachType.create({
+      data: { name: "Standard", code: "STD" },
+    });
 
     const seatClass = await prisma.seatClass.create({
-      data: { name: 'Economy Regular', description: 'Standard economy seating', baseFareMinor: 45000, isActive: true, coachTypeId: coachType.id },
+      data: {
+        name: "Economy Regular",
+        description: "Standard economy seating",
+        baseFareMinor: 45000,
+        isActive: true,
+        coachTypeId: coachType.id,
+      },
     });
 
     const coach = await prisma.coach.create({
-      data: { coachTypeId: coachType.id, number: 'TEST-C1', arrangement: '2+2', capacity: 10, status: 'ACTIVE' },
+      data: {
+        coachTypeId: coachType.id,
+        number: "TEST-C1",
+        arrangement: "2+2",
+        capacity: 10,
+        status: "ACTIVE",
+      },
     });
 
-    const seat = await prisma.seat.create({ data: { coachId: coach.id, row: 1, col: 'A', seatNumber: '1A', status: 'AVAILABLE' } });
+    const seat = await prisma.seat.create({
+      data: {
+        coachId: coach.id,
+        row: 1,
+        col: "A",
+        seatNumber: "1A",
+        status: "AVAILABLE",
+      },
+    });
 
     const booking = await prisma.booking.create({
-      data: { bookingRef: 'TEST-BOOK-001', passengerId: passenger.id, scheduleId: schedule.id, status: 'PENDING_PAYMENT', totalMinor: 50000, currency: 'ETB' },
+      data: {
+        bookingRef: "TEST-BOOK-001",
+        passengerId: passenger.id,
+        scheduleId: schedule.id,
+        status: "PENDING_PAYMENT",
+        totalMinor: 50000,
+        currency: "ETB",
+      },
     });
 
-    await prisma.bookingSeat.create({ data: { bookingId: booking.id, seatId: seat.id, passengerName: 'Test Passenger' } });
+    await prisma.bookingSeat.create({
+      data: {
+        bookingId: booking.id,
+        seatId: seat.id,
+        passengerName: "Test Passenger",
+      },
+    });
 
     bookingId = booking.id;
   });
@@ -71,89 +147,60 @@ describe('Payments E2E', () => {
       prisma.coach.deleteMany(),
       prisma.trainSchedule.deleteMany(),
       prisma.train.deleteMany(),
-      prisma.station.deleteMany({ where: { code: { in: ['TST1', 'TST2'] } } }),
+      prisma.station.deleteMany({ where: { code: { in: ["TST1", "TST2"] } } }),
       prisma.walletLedgerEntry.deleteMany(),
       prisma.walletAccount.deleteMany(),
       prisma.passenger.deleteMany(),
-      prisma.user.deleteMany({ where: { email: 'payment-test@example.com' } }),
+      prisma.user.deleteMany({ where: { email: "payment-test@example.com" } }),
     ]);
     await app.close();
   });
 
-  describe('POST /payments/initiate', () => {
-    it('should initiate wallet payment successfully', async () => {
+  describe("POST /payments/initiate", () => {
+    it("should initiate wallet payment successfully", async () => {
       const response = await request(app.getHttpServer())
-        .post('/payments/initiate')
-        .set('Authorization', `Bearer ${authToken}`)
-        .send({ bookingId, method: 'WALLET' })
+        .post("/payments/initiate")
+        .set("Authorization", `Bearer ${authToken}`)
+        .send({ bookingId, method: "WALLET" })
         .expect(201);
       expect(response.body.intentId).toBeDefined();
-      expect(response.body.status).toBe('SUCCEEDED');
+      expect(response.body.status).toBe("SUCCEEDED");
     });
 
-    it('should return 400 for invalid payment method', async () => {
+    it("should return 400 for invalid payment method", async () => {
       await request(app.getHttpServer())
-        .post('/payments/initiate')
-        .set('Authorization', `Bearer ${authToken}`)
-        .send({ bookingId, method: 'INVALID_METHOD' })
+        .post("/payments/initiate")
+        .set("Authorization", `Bearer ${authToken}`)
+        .send({ bookingId, method: "INVALID_METHOD" })
         .expect(400);
     });
 
-    it('should return 404 for non-existent booking', async () => {
+    it("should return 404 for non-existent booking", async () => {
       await request(app.getHttpServer())
-        .post('/payments/initiate')
-        .set('Authorization', `Bearer ${authToken}`)
-        .send({ bookingId: 'non-existent-id', method: 'WALLET' })
+        .post("/payments/initiate")
+        .set("Authorization", `Bearer ${authToken}`)
+        .send({ bookingId: "non-existent-id", method: "WALLET" })
         .expect(404);
     });
   });
 
-  describe('GET /payments/intents/:bookingId', () => {
-    it('should get payment intent status', async () => {
+  describe("GET /payments/intents/:bookingId", () => {
+    it("should get payment intent status", async () => {
       const response = await request(app.getHttpServer())
         .get(`/payments/intents/${bookingId}`)
-        .set('Authorization', `Bearer ${authToken}`)
+        .set("Authorization", `Bearer ${authToken}`)
         .expect(200);
       expect(response.body.intentId).toBeDefined();
       expect(response.body.status).toBeDefined();
     });
 
-    it('should return 404 for non-existent intent', async () => {
+    it("should return 404 for non-existent intent", async () => {
       await request(app.getHttpServer())
-        .get('/payments/intents/non-existent-booking')
-        .set('Authorization', `Bearer ${authToken}`)
+        .get("/payments/intents/non-existent-booking")
+        .set("Authorization", `Bearer ${authToken}`)
         .expect(404);
     });
   });
 
-  describe('Webhook endpoints', () => {
-    it('should handle Telebirr webhook', async () => {
-      await request(app.getHttpServer())
-        .post('/payments/webhooks/telebirr')
-        .send({ merch_order_id: 'TEST-ORDER-123', payment_order_id: 'PAY-123', trade_status: 'Completed', sign: 'mock-signature' })
-        .expect(200);
-    });
-
-    it('should handle CBE Birr webhook', async () => {
-      await request(app.getHttpServer())
-        .post('/payments/webhooks/cbe-birr')
-        .send({ merchantId: 'TEST-MERCHANT', merchantOrderId: 'TEST-ORDER-123', orderId: 'CBE-ORDER-123', status: 'SUCCESS', signature: 'mock-signature' })
-        .expect(200);
-    });
-
-    it('should handle eBirr webhook', async () => {
-      await request(app.getHttpServer())
-        .post('/payments/webhooks/ebirr')
-        .send({ merchantCode: 'TEST-MERCHANT', orderNo: 'TEST-ORDER-123', tradeStatus: 'TRADE_SUCCESS', timestamp: Date.now(), sign: 'mock-signature' })
-        .expect(200);
-    });
-
-    it('should handle Card webhook', async () => {
-      await request(app.getHttpServer())
-        .post('/payments/webhooks/card')
-        .set('stripe-signature', 'mock-signature')
-        .send({ id: 'evt_123', type: 'payment_intent.succeeded', data: { object: { id: 'pi_123', status: 'succeeded', amount: 50000, currency: 'ETB', metadata: { merchantOrderId: 'TEST-ORDER-123', bookingRef: 'TEST-BOOK-001' } } }, created: Math.floor(Date.now() / 1000) })
-        .expect(200);
-    });
-  });
+  // Provider webhooks moved to the payment microservice (apps/edr-payment-api /webhooks/*).
 });

apps/edr-passenger-api/src/modules/payments/payments.module.ts

@@ -1,38 +1,25 @@
-import { Module } from '@nestjs/common';
-import { HttpModule } from '@nestjs/axios';
-import { PaymentsController } from './payments.controller';
-import { PaymentsService } from './payments.service';
-import { SeatsModule } from '../seats/seats.module';
-import { TicketsModule } from '../tickets/tickets.module';
-import {
-  TelebirrProvider,
-  CbeBirrProvider,
-  EBirrProvider,
-  CardProvider,
-  WaafiProvider,
-} from '@edr/payment-providers';
-import { WebhooksController } from './webhooks/webhooks.controller';
-import { TelebirrWebhookService } from './webhooks/telebirr-webhook.service';
-import { CbeBirrWebhookService } from './webhooks/cbe-birr-webhook.service';
-import { EBirrWebhookService } from './webhooks/ebirr-webhook.service';
-import { CardWebhookService } from './webhooks/card-webhook.service';
-import { WaafiWebhookService } from './webhooks/waafi-webhook.service';
+import { Module } from "@nestjs/common";
+import { HttpModule } from "@nestjs/axios";
+import { PaymentsController } from "./payments.controller";
+import { PaymentsService } from "./payments.service";
+import { InternalPaymentsController } from "./internal-payments.controller";
+import { PaymentClientService } from "./payment-client.service";
+import { ServiceAuthGuard } from "../../common/guards/service-auth.guard";
+import { SeatsModule } from "../seats/seats.module";
+import { TicketsModule } from "../tickets/tickets.module";
 
+/**
+ * Post-cutover (docs/payment-service phase 6): provider gateways and webhook handlers live in
+ * apps/edr-payment-api. This module keeps domain validation, the WALLET flow, the payment
+ * client, and the idempotent mark-paid consumer.
+ */
 @Module({
-  imports: [SeatsModule, TicketsModule, HttpModule.register({ timeout: 10_000 })],
-  controllers: [PaymentsController, WebhooksController],
-  providers: [
-    PaymentsService,
-    TelebirrProvider,
-    CbeBirrProvider,
-    EBirrProvider,
-    CardProvider,
-    WaafiProvider,
-    TelebirrWebhookService,
-    CbeBirrWebhookService,
-    EBirrWebhookService,
-    CardWebhookService,
-    WaafiWebhookService,
+  imports: [
+    SeatsModule,
+    TicketsModule,
+    HttpModule.register({ timeout: 10_000 }),
   ],
+  controllers: [PaymentsController, InternalPaymentsController],
+  providers: [PaymentsService, PaymentClientService, ServiceAuthGuard],
 })
 export class PaymentsModule {}

apps/edr-passenger-api/src/modules/payments/payments.service.spec.ts

@@ -1,19 +1,21 @@
-import { Test, TestingModule } from '@nestjs/testing';
-import { PaymentsService } from './payments.service';
-import { PrismaService } from '../../common/prisma.service';
-import { SeatsService } from '../seats/seats.service';
-import { TicketsService } from '../tickets/tickets.service';
-import { EventEmitter2 } from '@nestjs/event-emitter';
+import { Test, TestingModule } from "@nestjs/testing";
+import { PaymentsService } from "./payments.service";
+import { PaymentClientService } from "./payment-client.service";
+import { PrismaService } from "../../common/prisma.service";
+import { SeatsService } from "../seats/seats.service";
+import { TicketsService } from "../tickets/tickets.service";
+import { EventEmitter2 } from "@nestjs/event-emitter";
+import { PaymentIntentStatus, PaymentMethodType } from "@prisma/client";
+import { BadRequestException, NotFoundException } from "@nestjs/common";
 import {
-  TelebirrProvider,
-  CbeBirrProvider,
-  EBirrProvider,
-  CardProvider,
-} from '@edr/payment-providers';
-import { PaymentIntentStatus, PaymentMethodType } from '@prisma/client';
-import { BadRequestException, NotFoundException } from '@nestjs/common';
+  PaymentIntentSnapshot,
+  PaymentReferenceType,
+  PaymentService as PaymentServiceEnum,
+  ProviderMethod,
+  ProviderPaymentStatus,
+} from "@edr/types";
 
-describe('PaymentsService', () => {
+describe("PaymentsService", () => {
   let service: PaymentsService;
   let prisma: PrismaService;
   let seatsService: SeatsService;
@@ -62,29 +64,25 @@ describe('PaymentsService', () => {
     emit: jest.fn(),
   };
 
-  const mockTelebirrProvider = {
-    method: PaymentMethodType.TELEBIRR,
+  const mockPaymentClient = {
     initiate: jest.fn(),
-    queryStatus: jest.fn(),
+    getIntentByReference: jest.fn(),
   };
 
-  const mockCbeBirrProvider = {
-    method: PaymentMethodType.CBE_BIRR,
-    initiate: jest.fn(),
-    queryStatus: jest.fn(),
-  };
-
-  const mockEBirrProvider = {
-    method: PaymentMethodType.EBIRR,
-    initiate: jest.fn(),
-    queryStatus: jest.fn(),
-  };
-
-  const mockCardProvider = {
-    method: PaymentMethodType.CARD,
-    initiate: jest.fn(),
-    queryStatus: jest.fn(),
-  };
+  const requiresActionSnapshot = (
+    provider: ProviderMethod,
+  ): PaymentIntentSnapshot => ({
+    intentId: "remote-intent-1",
+    service: PaymentServiceEnum.PASSENGER,
+    referenceType: PaymentReferenceType.BOOKING,
+    referenceId: "booking-1",
+    merchantOrderId: "PSG-MERCH-123",
+    provider,
+    status: ProviderPaymentStatus.REQUIRES_ACTION,
+    amountMinor: 50000,
+    currency: "ETB",
+    clientAction: { type: "REDIRECT", url: "https://provider.example/pay" },
+  });
 
   beforeEach(async () => {
     const module: TestingModule = await Test.createTestingModule({
@@ -94,10 +92,7 @@ describe('PaymentsService', () => {
         { provide: SeatsService, useValue: mockSeatsService },
         { provide: TicketsService, useValue: mockTicketsService },
         { provide: EventEmitter2, useValue: mockEventEmitter },
-        { provide: TelebirrProvider, useValue: mockTelebirrProvider },
-        { provide: CbeBirrProvider, useValue: mockCbeBirrProvider },
-        { provide: EBirrProvider, useValue: mockEBirrProvider },
-        { provide: CardProvider, useValue: mockCardProvider },
+        { provide: PaymentClientService, useValue: mockPaymentClient },
       ],
     }).compile();
 
@@ -108,221 +103,276 @@ describe('PaymentsService', () => {
     eventEmitter = module.get<EventEmitter2>(EventEmitter2);
 
     jest.clearAllMocks();
+    mockPaymentClient.getIntentByReference.mockResolvedValue(null);
   });
 
-  describe('initiatePayment', () => {
+  describe("initiatePayment", () => {
     const mockBooking = {
-      id: 'booking-1',
-      bookingRef: 'EDR123456',
-      passengerId: 'passenger-1',
+      id: "booking-1",
+      bookingRef: "EDR123456",
+      passengerId: "passenger-1",
       totalMinor: 50000,
-      currency: 'ETB',
-      status: 'PENDING_PAYMENT',
-      seats: [{ id: 'seat-1', seatId: 'seat-id-1' }],
+      currency: "ETB",
+      status: "PENDING_PAYMENT",
+      seats: [{ id: "seat-1", seatId: "seat-id-1" }],
     };
 
-    it('should throw NotFoundException if booking not found', async () => {
+    it("should throw NotFoundException if booking not found", async () => {
       mockPrisma.booking.findUnique.mockResolvedValue(null);
 
       await expect(
         service.initiatePayment({
-          bookingId: 'invalid',
-          method: 'TELEBIRR' as any,
+          bookingId: "invalid",
+          method: "TELEBIRR" as any,
         }),
       ).rejects.toThrow(NotFoundException);
     });
 
-    it('should throw BadRequestException if booking not payable', async () => {
+    it("should throw BadRequestException if booking not payable", async () => {
       mockPrisma.booking.findUnique.mockResolvedValue({
         ...mockBooking,
-        status: 'CONFIRMED',
+        status: "CONFIRMED",
       });
 
       await expect(
         service.initiatePayment({
-          bookingId: 'booking-1',
-          method: 'TELEBIRR' as any,
+          bookingId: "booking-1",
+          method: "TELEBIRR" as any,
         }),
       ).rejects.toThrow(BadRequestException);
     });
 
-    it('should initiate Telebirr payment successfully', async () => {
+    it("should initiate a provider payment through the payment microservice", async () => {
       mockPrisma.booking.findUnique.mockResolvedValue(mockBooking);
-      mockPrisma.paymentIntent.findUnique.mockResolvedValue(null);
-      mockTelebirrProvider.initiate.mockResolvedValue({
-        providerOrderId: 'TB-ORDER-123',
-        clientAction: { type: 'REDIRECT', url: 'https://telebirr.com/pay' },
-        expiresAt: new Date(),
-        rawInitiation: {},
-      });
+      mockPaymentClient.initiate.mockResolvedValue(
+        requiresActionSnapshot(ProviderMethod.TELEBIRR),
+      );
       mockPrisma.paymentIntent.upsert.mockResolvedValue({
-        id: 'intent-1',
+        id: "intent-1",
         status: PaymentIntentStatus.REQUIRES_ACTION,
-        merchantOrderId: 'MERCH-123',
-        clientAction: { type: 'REDIRECT', url: 'https://telebirr.com/pay' },
+        merchantOrderId: "PSG-MERCH-123",
+        clientAction: { type: "REDIRECT", url: "https://provider.example/pay" },
       });
 
       const result = await service.initiatePayment({
-        bookingId: 'booking-1',
-        method: 'TELEBIRR' as any,
+        bookingId: "booking-1",
+        method: "TELEBIRR" as any,
       });
 
       expect(result.status).toBe(PaymentIntentStatus.REQUIRES_ACTION);
-      expect(mockTelebirrProvider.initiate).toHaveBeenCalled();
+      expect(result.clientAction?.url).toBe("https://provider.example/pay");
+      expect(mockPaymentClient.initiate).toHaveBeenCalledWith(
+        expect.objectContaining({
+          service: PaymentServiceEnum.PASSENGER,
+          referenceType: PaymentReferenceType.BOOKING,
+          referenceId: "booking-1",
+          orderRef: "EDR123456",
+          amountMinor: 50000,
+          currency: "ETB",
+          provider: "TELEBIRR",
+        }),
+      );
+      // Snapshot mirrored into the local projection.
+      expect(mockPrisma.paymentIntent.upsert).toHaveBeenCalledWith(
+        expect.objectContaining({ where: { bookingId: "booking-1" } }),
+      );
     });
 
-    it('should initiate CBE Birr payment successfully', async () => {
+    it("should finalize the booking when the service reports an already-paid intent", async () => {
       mockPrisma.booking.findUnique.mockResolvedValue(mockBooking);
-      mockPrisma.paymentIntent.findUnique.mockResolvedValue(null);
-      mockCbeBirrProvider.initiate.mockResolvedValue({
-        providerOrderId: 'CBE-ORDER-123',
-        clientAction: { type: 'REDIRECT', url: 'https://cbe.com/pay' },
-        expiresAt: new Date(),
-        rawInitiation: {},
+      mockPaymentClient.initiate.mockResolvedValue({
+        ...requiresActionSnapshot(ProviderMethod.WAAFI),
+        status: ProviderPaymentStatus.SUCCEEDED,
+        providerTxnId: "TXN-1",
+        paidAt: new Date().toISOString(),
       });
+      // Projection clamps SUCCEEDED to PROCESSING; finalizePaymentSuccess flips it.
       mockPrisma.paymentIntent.upsert.mockResolvedValue({
-        id: 'intent-1',
-        status: PaymentIntentStatus.REQUIRES_ACTION,
-        merchantOrderId: 'MERCH-123',
-        clientAction: { type: 'REDIRECT', url: 'https://cbe.com/pay' },
+        id: "intent-1",
+        bookingId: "booking-1",
+        status: PaymentIntentStatus.PROCESSING,
       });
-
-      const result = await service.initiatePayment({
-        bookingId: 'booking-1',
-        method: 'CBE_BIRR' as any,
-      });
-
-      expect(result.status).toBe(PaymentIntentStatus.REQUIRES_ACTION);
-      expect(mockCbeBirrProvider.initiate).toHaveBeenCalled();
-    });
-
-    it('should initiate wallet payment and debit successfully', async () => {
-      mockPrisma.booking.findUnique.mockResolvedValue(mockBooking);
-      mockPrisma.paymentIntent.findUnique.mockResolvedValue(null);
-      mockPrisma.walletAccount.findUnique.mockResolvedValue({
-        id: 'wallet-1',
-        passengerId: 'passenger-1',
-        balanceMinor: 100000,
-      });
-      mockPrisma.paymentIntent.upsert.mockResolvedValue({
-        id: 'intent-1',
+      mockPrisma.paymentIntent.findUnique.mockResolvedValue({
+        id: "intent-1",
+        bookingId: "booking-1",
         status: PaymentIntentStatus.PROCESSING,
       });
       mockPrisma.paymentIntent.findUniqueOrThrow.mockResolvedValue({
-        id: 'intent-1',
+        id: "intent-1",
         status: PaymentIntentStatus.SUCCEEDED,
-        bookingId: 'booking-1',
+        merchantOrderId: "PSG-MERCH-123",
+      });
+      mockPrisma.loyaltyAccount.findUnique.mockResolvedValue(null);
+
+      const result = await service.initiatePayment({
+        bookingId: "booking-1",
+        method: "WAAFI" as any,
+      });
+
+      expect(result.status).toBe(PaymentIntentStatus.SUCCEEDED);
+      expect(mockTicketsService.generate).toHaveBeenCalledWith("booking-1");
+    });
+
+    it("should initiate wallet payment and debit successfully", async () => {
+      mockPrisma.booking.findUnique.mockResolvedValue(mockBooking);
+      // First call: existing-intent check (none); second call: finalize loads the new intent.
+      mockPrisma.paymentIntent.findUnique
+        .mockResolvedValueOnce(null)
+        .mockResolvedValue({
+          id: "intent-1",
+          bookingId: "booking-1",
+          status: PaymentIntentStatus.PROCESSING,
+        });
+      mockPrisma.walletAccount.findUnique.mockResolvedValue({
+        id: "wallet-1",
+        passengerId: "passenger-1",
+        balanceMinor: 100000,
+      });
+      mockPrisma.paymentIntent.upsert.mockResolvedValue({
+        id: "intent-1",
+        status: PaymentIntentStatus.PROCESSING,
+      });
+      mockPrisma.paymentIntent.findUniqueOrThrow.mockResolvedValue({
+        id: "intent-1",
+        status: PaymentIntentStatus.SUCCEEDED,
+        bookingId: "booking-1",
       });
       mockPrisma.loyaltyAccount.findUnique.mockResolvedValue({
-        id: 'loyalty-1',
+        id: "loyalty-1",
         pointsBalance: 100,
       });
 
       const result = await service.initiatePayment({
-        bookingId: 'booking-1',
-        method: 'WALLET' as any,
+        bookingId: "booking-1",
+        method: "WALLET" as any,
       });
 
       expect(result.status).toBe(PaymentIntentStatus.SUCCEEDED);
       expect(mockSeatsService.confirmSeats).toHaveBeenCalled();
       expect(mockTicketsService.generate).toHaveBeenCalled();
+      expect(mockPaymentClient.initiate).not.toHaveBeenCalled();
     });
 
-    it('should fail wallet payment with insufficient balance', async () => {
+    it("should fail wallet payment with insufficient balance", async () => {
       mockPrisma.booking.findUnique.mockResolvedValue(mockBooking);
       mockPrisma.paymentIntent.findUnique.mockResolvedValue(null);
       mockPrisma.walletAccount.findUnique.mockResolvedValue({
-        id: 'wallet-1',
-        passengerId: 'passenger-1',
+        id: "wallet-1",
+        passengerId: "passenger-1",
         balanceMinor: 10000, // Less than booking total
       });
       mockPrisma.paymentIntent.upsert.mockResolvedValue({
-        id: 'intent-1',
+        id: "intent-1",
         status: PaymentIntentStatus.FAILED,
-        failureCode: 'INSUFFICIENT_BALANCE',
+        failureCode: "INSUFFICIENT_BALANCE",
       });
 
       const result = await service.initiatePayment({
-        bookingId: 'booking-1',
-        method: 'WALLET' as any,
+        bookingId: "booking-1",
+        method: "WALLET" as any,
       });
 
       expect(result.status).toBe(PaymentIntentStatus.FAILED);
     });
   });
 
-  describe('finalizePaymentSuccess', () => {
-    it('should finalize payment and issue ticket', async () => {
+  describe("finalizePaymentSuccess", () => {
+    it("should finalize payment and issue ticket", async () => {
       const mockIntent = {
-        id: 'intent-1',
-        bookingId: 'booking-1',
+        id: "intent-1",
+        bookingId: "booking-1",
         status: PaymentIntentStatus.PROCESSING,
       };
       const mockBooking = {
-        id: 'booking-1',
-        passengerId: 'passenger-1',
+        id: "booking-1",
+        passengerId: "passenger-1",
         totalMinor: 50000,
-        seats: [{ seatId: 'seat-1' }],
+        seats: [{ seatId: "seat-1" }],
       };
 
       mockPrisma.paymentIntent.findUnique.mockResolvedValue(mockIntent);
       mockPrisma.booking.findUnique.mockResolvedValue(mockBooking);
       mockPrisma.loyaltyAccount.findUnique.mockResolvedValue({
-        id: 'loyalty-1',
+        id: "loyalty-1",
         pointsBalance: 100,
       });
 
       const result = await service.finalizePaymentSuccess({
-        intentId: 'intent-1',
-        providerTxnId: 'TXN-123',
+        intentId: "intent-1",
+        providerTxnId: "TXN-123",
       });
 
       expect(result.alreadyFinalized).toBe(false);
-      expect(mockSeatsService.confirmSeats).toHaveBeenCalledWith(['seat-1']);
-      expect(mockTicketsService.generate).toHaveBeenCalledWith('booking-1');
-      expect(mockEventEmitter.emit).toHaveBeenCalledWith('payment.succeeded', {
+      expect(mockSeatsService.confirmSeats).toHaveBeenCalledWith(["seat-1"]);
+      expect(mockTicketsService.generate).toHaveBeenCalledWith("booking-1");
+      expect(mockEventEmitter.emit).toHaveBeenCalledWith("payment.succeeded", {
         booking: mockBooking,
       });
     });
 
-    it('should return alreadyFinalized if payment already succeeded', async () => {
+    it("should return alreadyFinalized if payment already succeeded", async () => {
       mockPrisma.paymentIntent.findUnique.mockResolvedValue({
-        id: 'intent-1',
+        id: "intent-1",
         status: PaymentIntentStatus.SUCCEEDED,
       });
 
       const result = await service.finalizePaymentSuccess({
-        intentId: 'intent-1',
+        intentId: "intent-1",
       });
 
       expect(result.alreadyFinalized).toBe(true);
     });
   });
 
-  describe('getIntentByBookingId', () => {
-    it('should return intent status', async () => {
+  describe("getIntentByBookingId", () => {
+    it("should return the cached local intent when the payment service has none", async () => {
       const mockIntent = {
-        id: 'intent-1',
-        bookingId: 'booking-1',
+        id: "intent-1",
+        bookingId: "booking-1",
         status: PaymentIntentStatus.SUCCEEDED,
         method: PaymentMethodType.TELEBIRR,
         paidAt: new Date(),
-        merchantOrderId: 'MERCH-123',
+        merchantOrderId: "MERCH-123",
         updatedAt: new Date(),
       };
 
       mockPrisma.paymentIntent.findUnique.mockResolvedValue(mockIntent);
+      mockPaymentClient.getIntentByReference.mockResolvedValue(null);
 
-      const result = await service.getIntentByBookingId('booking-1');
+      const result = await service.getIntentByBookingId("booking-1");
 
-      expect(result.intentId).toBe('intent-1');
+      expect(result.intentId).toBe("intent-1");
       expect(result.status).toBe(PaymentIntentStatus.SUCCEEDED);
     });
 
-    it('should throw NotFoundException if intent not found', async () => {
+    it("should mirror a payment-service snapshot into the local projection", async () => {
       mockPrisma.paymentIntent.findUnique.mockResolvedValue(null);
+      mockPaymentClient.getIntentByReference.mockResolvedValue(
+        requiresActionSnapshot(ProviderMethod.WAAFI),
+      );
+      mockPrisma.paymentIntent.upsert.mockResolvedValue({
+        id: "intent-1",
+        bookingId: "booking-1",
+        status: PaymentIntentStatus.REQUIRES_ACTION,
+        merchantOrderId: "PSG-MERCH-123",
+        clientAction: { type: "REDIRECT", url: "https://provider.example/pay" },
+      });
 
-      await expect(service.getIntentByBookingId('invalid')).rejects.toThrow(
+      const result = await service.getIntentByBookingId("booking-1");
+
+      expect(mockPaymentClient.getIntentByReference).toHaveBeenCalledWith(
+        PaymentReferenceType.BOOKING,
+        "booking-1",
+      );
+      expect(result.status).toBe(PaymentIntentStatus.REQUIRES_ACTION);
+      expect(result.clientAction?.url).toBe("https://provider.example/pay");
+    });
+
+    it("should throw NotFoundException if intent not found anywhere", async () => {
+      mockPrisma.paymentIntent.findUnique.mockResolvedValue(null);
+      mockPaymentClient.getIntentByReference.mockResolvedValue(null);
+
+      await expect(service.getIntentByBookingId("invalid")).rejects.toThrow(
         NotFoundException,
       );
     });

apps/edr-passenger-api/src/modules/payments/payments.service.ts

@@ -1,22 +1,37 @@
-import { Injectable, Logger, NotFoundException, BadRequestException } from '@nestjs/common';
-import { PrismaService } from '../../common/prisma.service';
-import { SeatsService } from '../seats/seats.service';
-import { TicketsService } from '../tickets/tickets.service';
-import { EventEmitter2 } from '@nestjs/event-emitter';
-import { Prisma, PaymentIntentStatus, PaymentMethodType, PaymentRegion } from '@prisma/client';
-import { InitiatePaymentDto, RefundDto, AddPaymentMethodDto, InitiateResponseDto, IntentStatusDto, PaymentRegionEnum } from './payments.dto';
 import {
+  Injectable,
+  Logger,
+  NotFoundException,
+  BadRequestException,
+} from "@nestjs/common";
+import { PrismaService } from "../../common/prisma.service";
+import { SeatsService } from "../seats/seats.service";
+import { TicketsService } from "../tickets/tickets.service";
+import { EventEmitter2 } from "@nestjs/event-emitter";
+import {
+  Prisma,
+  PaymentIntentStatus,
+  PaymentMethodType,
+  PaymentRegion,
+} from "@prisma/client";
+import {
+  InitiatePaymentDto,
+  RefundDto,
+  AddPaymentMethodDto,
+  InitiateResponseDto,
+  IntentStatusDto,
+  PaymentRegionEnum,
+} from "./payments.dto";
+import { PaymentEventDto, MarkPaidResponseDto } from "./internal-payments.dto";
+import { PaymentClientService } from "./payment-client.service";
+import {
+  PaymentService as PaymentServiceEnum,
+  PaymentReferenceType,
+  PaymentIntentSnapshot,
+  ProviderMethod,
   ClientAction,
-  PaymentProvider,
-  ProviderStatus,
   ProviderPaymentStatus,
-  TelebirrProvider,
-  CbeBirrProvider,
-  EBirrProvider,
-  CardProvider,
-  WaafiProvider,
-  createMerchantOrderId,
-} from '@edr/payment-providers';
+} from "@edr/types";
 
 const NON_TERMINAL_STATUSES: PaymentIntentStatus[] = [
   PaymentIntentStatus.REQUIRES_ACTION,
@@ -27,37 +42,30 @@ const NON_TERMINAL_STATUSES: PaymentIntentStatus[] = [
 @Injectable()
 export class PaymentsService {
   private readonly logger = new Logger(PaymentsService.name);
-  private readonly providers: Map<PaymentMethodType, PaymentProvider>;
 
   constructor(
     private prisma: PrismaService,
     private seatsService: SeatsService,
     private ticketsService: TicketsService,
     private eventEmitter: EventEmitter2,
-    private telebirrProvider: TelebirrProvider,
-    private cbeBirrProvider: CbeBirrProvider,
-    private eBirrProvider: EBirrProvider,
-    private cardProvider: CardProvider,
-    private waafiProvider: WaafiProvider,
-  ) {
-    this.providers = new Map<PaymentMethodType, PaymentProvider>([
-      [PaymentMethodType.TELEBIRR, this.telebirrProvider],
-      [PaymentMethodType.CBE_BIRR, this.cbeBirrProvider],
-      [PaymentMethodType.EBIRR, this.eBirrProvider],
-      [PaymentMethodType.CARD, this.cardProvider],
-      [PaymentMethodType.WAAFI, this.waafiProvider],
-    ]);
-  }
+    private paymentClient: PaymentClientService,
+  ) {}
 
-  async getAll(filters: { search?: string; status?: string; method?: string; page?: number; pageSize?: number }) {
+  async getAll(filters: {
+    search?: string;
+    status?: string;
+    method?: string;
+    page?: number;
+    pageSize?: number;
+  }) {
     const { search, status, method, page = 1, pageSize = 10 } = filters;
     const skip = (page - 1) * pageSize;
 
     const where: any = {};
     if (search) {
       where.OR = [
-        { id: { contains: search, mode: 'insensitive' } },
-        { booking: { bookingRef: { contains: search, mode: 'insensitive' } } },
+        { id: { contains: search, mode: "insensitive" } },
+        { booking: { bookingRef: { contains: search, mode: "insensitive" } } },
       ];
     }
     if (status) {
@@ -73,13 +81,13 @@ export class PaymentsService {
         include: { booking: true },
         skip,
         take: pageSize,
-        orderBy: { createdAt: 'desc' },
+        orderBy: { createdAt: "desc" },
       }),
       this.prisma.paymentIntent.count({ where }),
     ]);
 
     return {
-      items: items.map(item => ({
+      items: items.map((item) => ({
         id: item.id,
         reference: item.id.substring(0, 8),
         bookingId: item.bookingId,
@@ -102,30 +110,87 @@ export class PaymentsService {
       where: { id: dto.bookingId },
       include: { seats: true },
     });
-    if (!booking) throw new NotFoundException('Booking not found');
-    if (booking.status !== 'PENDING_PAYMENT') {
-      throw new BadRequestException('Booking not payable');
-    }
-
-    const existing = await this.prisma.paymentIntent.findUnique({
-      where: { bookingId: dto.bookingId },
-    });
-    if (existing && NON_TERMINAL_STATUSES.includes(existing.status)) {
-      return this.formatIntentResponse(existing);
+    if (!booking) throw new NotFoundException("Booking not found");
+    if (booking.status !== "PENDING_PAYMENT") {
+      throw new BadRequestException("Booking not payable");
     }
 
     const method = dto.method as PaymentMethodType;
 
+    // WALLET is an internal balance debit — it never leaves this app.
     if (method === PaymentMethodType.WALLET) {
+      const existing = await this.prisma.paymentIntent.findUnique({
+        where: { bookingId: dto.bookingId },
+      });
+      if (existing && NON_TERMINAL_STATUSES.includes(existing.status)) {
+        return this.formatIntentResponse(existing);
+      }
       return this.initiateWalletPayment(booking);
     }
 
-    const provider = this.providers.get(method);
-    if (provider) {
-      return this.initiateProviderPayment(booking, provider, dto.platform);
-    }
+    // Provider methods go through the payment microservice (docs/payment-service §7.1):
+    // it owns the intent, the provider session, and the single webhook per provider.
+    // Re-initiating is safe — the service returns the existing active intent (idempotent).
+    const snapshot = await this.paymentClient.initiate({
+      service: PaymentServiceEnum.PASSENGER,
+      referenceType: PaymentReferenceType.BOOKING,
+      referenceId: booking.id,
+      orderRef: booking.bookingRef,
+      amountMinor: booking.totalMinor,
+      currency: booking.currency,
+      provider: method as unknown as ProviderMethod,
+      platform: dto.platform,
+      // PASSENGER-owned browser bounce-back after the hosted page (freight passes its own).
+      // UX only — payment is confirmed by the webhook/mark-paid event, never this redirect.
+      returnUrl: process.env.PAYMENT_RETURN_URL || undefined,
+      failureUrl: process.env.PAYMENT_FAILURE_URL || undefined,
+    });
 
-    throw new BadRequestException(`Unsupported payment method: ${method}`);
+    let intent = await this.syncIntentProjection(booking.id, snapshot);
+    if (snapshot.status === ProviderPaymentStatus.SUCCEEDED) {
+      // Already-paid order re-initiated: converge the booking now (idempotent).
+      await this.finalizePaymentSuccess({
+        intentId: intent.id,
+        providerTxnId: snapshot.providerTxnId,
+        paidAt: snapshot.paidAt ? new Date(snapshot.paidAt) : undefined,
+      });
+      intent = await this.prisma.paymentIntent.findUniqueOrThrow({
+        where: { id: intent.id },
+      });
+    }
+    return this.formatIntentResponse(intent);
+  }
+
+  private async syncIntentProjection(
+    bookingId: string,
+    snapshot: PaymentIntentSnapshot,
+  ) {
+    const status =
+      snapshot.status === ProviderPaymentStatus.SUCCEEDED
+        ? PaymentIntentStatus.PROCESSING
+        : (snapshot.status as unknown as PaymentIntentStatus);
+    const data = {
+      status,
+      method: snapshot.provider as unknown as PaymentMethodType,
+      merchantOrderId: snapshot.merchantOrderId,
+      clientAction: snapshot.clientAction
+        ? (snapshot.clientAction as unknown as Prisma.InputJsonValue)
+        : Prisma.DbNull,
+      providerTxnId: snapshot.providerTxnId ?? null,
+      expiresAt: snapshot.expiresAt ? new Date(snapshot.expiresAt) : null,
+      failureCode: snapshot.failureCode ?? null,
+      failureMessage: snapshot.failureMessage ?? null,
+    };
+    return this.prisma.paymentIntent.upsert({
+      where: { bookingId },
+      update: data,
+      create: {
+        bookingId,
+        amountMinor: snapshot.amountMinor,
+        currency: snapshot.currency,
+        ...data,
+      },
+    });
   }
 
   private async initiateWalletPayment(
@@ -146,7 +211,7 @@ export class PaymentsService {
       await tx.walletLedgerEntry.create({
         data: {
           walletId: wallet.id,
-          type: 'DEBIT',
+          type: "DEBIT",
           amountMinor: booking.totalMinor,
           balanceAfterMinor: newBalance,
           description: `Train Ticket - ${booking.bookingRef}`,
@@ -161,14 +226,14 @@ export class PaymentsService {
         where: { bookingId: booking.id },
         update: {
           status: PaymentIntentStatus.FAILED,
-          failureCode: 'INSUFFICIENT_BALANCE',
+          failureCode: "INSUFFICIENT_BALANCE",
         },
         create: {
           bookingId: booking.id,
           amountMinor: booking.totalMinor,
           method: PaymentMethodType.WALLET,
           status: PaymentIntentStatus.FAILED,
-          failureCode: 'INSUFFICIENT_BALANCE',
+          failureCode: "INSUFFICIENT_BALANCE",
         },
       });
       return this.formatIntentResponse(failed);
@@ -192,55 +257,11 @@ export class PaymentsService {
     return this.formatIntentResponse(refreshed);
   }
 
-  private async initiateProviderPayment(
-    booking: Prisma.BookingGetPayload<{ include: { seats: true } }>,
-    provider: PaymentProvider,
-    platform: 'web' | 'mobile' | undefined,
-  ): Promise<InitiateResponseDto> {
-    const merchantOrderId = createMerchantOrderId();
-    const result = await provider.initiate({
-      merchantOrderId,
-      orderRef: booking.bookingRef,
-      amountMinor: booking.totalMinor,
-      currency: booking.currency,
-      platform,
-    });
-
-    const providerMethod = provider.method as unknown as PaymentMethodType;
-    const intent = await this.prisma.paymentIntent.upsert({
-      where: { bookingId: booking.id },
-      update: {
-        status: PaymentIntentStatus.REQUIRES_ACTION,
-        method: providerMethod,
-        merchantOrderId,
-        providerOrderId: result.providerOrderId,
-        clientAction: result.clientAction as unknown as Prisma.InputJsonValue,
-        rawInitiation: result.rawInitiation as Prisma.InputJsonValue,
-        expiresAt: result.expiresAt,
-        failureCode: null,
-        failureMessage: null,
-      },
-      create: {
-        bookingId: booking.id,
-        amountMinor: booking.totalMinor,
-        currency: booking.currency,
-        method: providerMethod,
-        status: PaymentIntentStatus.REQUIRES_ACTION,
-        merchantOrderId,
-        providerOrderId: result.providerOrderId,
-        clientAction: result.clientAction as unknown as Prisma.InputJsonValue,
-        rawInitiation: result.rawInitiation as Prisma.InputJsonValue,
-        expiresAt: result.expiresAt,
-      },
-    });
-    return this.formatIntentResponse(intent);
-  }
-
   private formatIntentResponse(
     intent: Prisma.PaymentIntentGetPayload<Record<string, never>>,
   ): InitiateResponseDto {
     const clientAction =
-      intent.clientAction && typeof intent.clientAction === 'object'
+      intent.clientAction && typeof intent.clientAction === "object"
         ? (intent.clientAction as unknown as ClientAction)
         : undefined;
     return {
@@ -252,65 +273,52 @@ export class PaymentsService {
   }
 
   async getIntentByBookingId(bookingId: string): Promise<IntentStatusDto> {
-    const intent = await this.prisma.paymentIntent.findUnique({
+    const local = await this.prisma.paymentIntent.findUnique({
       where: { bookingId },
     });
-    if (!intent) throw new NotFoundException('PaymentIntent not found');
 
-    const refreshable =
-      intent.status === PaymentIntentStatus.REQUIRES_ACTION ||
-      intent.status === PaymentIntentStatus.PROCESSING;
-    const stale = intent.updatedAt.getTime() < Date.now() - 5_000;
-    const provider = this.providers.get(intent.method);
-
-    if (refreshable && stale && intent.merchantOrderId && provider) {
-      try {
-        const status = await provider.queryStatus(intent.merchantOrderId);
-        this.logger.log(status);
-        await this.applyProviderStatus(intent.id, status);
-        const refreshed = await this.prisma.paymentIntent.findUniqueOrThrow({
-          where: { id: intent.id },
-        });
-        return this.formatIntentStatus(refreshed);
-      } catch (err) {
-        const message = err instanceof Error ? err.message : String(err);
-        this.logger.warn(
-          `queryStatus failed for intent ${intent.id}: ${message}; returning cached`,
-        );
-      }
+    // WALLET payments never leave this app — no remote intent exists for them.
+    if (local?.method === PaymentMethodType.WALLET) {
+      return this.formatIntentStatus(local);
     }
 
-    return this.formatIntentStatus(intent);
-  }
+    // Pull/reconcile through the payment microservice (it refreshes stale intents from the
+    // provider itself). Falls back to the legacy local path when the service is unreachable
+    // or only a pre-cutover local intent exists.
+    let snapshot: PaymentIntentSnapshot | null = null;
+    try {
+      snapshot = await this.paymentClient.getIntentByReference(
+        PaymentReferenceType.BOOKING,
+        bookingId,
+      );
+    } catch (err) {
+      const message = err instanceof Error ? err.message : String(err);
+      this.logger.warn(
+        `payment service lookup failed for booking ${bookingId}: ${message}; using local intent`,
+      );
+    }
 
-  private async applyProviderStatus(
-    intentId: string,
-    status: ProviderStatus,
-  ): Promise<void> {
-    const bizContent = (status.rawResponse as { biz_content?: { order_status?: string } })
-      ?.biz_content;
-    if (bizContent?.order_status === 'PAY_SUCCESS') {
+    if (!snapshot) {
+      // Pre-cutover/local-only intent (or service briefly unreachable): serve the cached
+      // status. The payment service owns provider refresh for everything initiated after
+      // the cutover; webhooks/mark-paid converge the rest.
+      if (!local) throw new NotFoundException("PaymentIntent not found");
+      return this.formatIntentStatus(local);
+    }
+
+    let intent = await this.syncIntentProjection(bookingId, snapshot);
+    if (snapshot.status === ProviderPaymentStatus.SUCCEEDED) {
+      // Poll observed success before (or instead of) the mark-paid event — converge now.
       await this.finalizePaymentSuccess({
-        intentId,
-        providerTxnId: status.providerTxnId,
+        intentId: intent.id,
+        providerTxnId: snapshot.providerTxnId,
+        paidAt: snapshot.paidAt ? new Date(snapshot.paidAt) : undefined,
       });
-      return;
-    }
-    if (status.status === ProviderPaymentStatus.FAILED) {
-      await this.markPaymentFailed({
-        intentId,
-        failureCode: status.failureCode,
-        failureMessage: status.failureMessage,
+      intent = await this.prisma.paymentIntent.findUniqueOrThrow({
+        where: { id: intent.id },
       });
-      return;
     }
-    await this.prisma.paymentIntent.update({
-      where: { id: intentId },
-      data: {
-        status: status.status as unknown as PaymentIntentStatus,
-        providerTxnId: status.providerTxnId ?? undefined,
-      },
-    });
+    return this.formatIntentStatus(intent);
   }
 
   private formatIntentStatus(
@@ -326,13 +334,25 @@ export class PaymentsService {
   }
 
   async refund(dto: RefundDto) {
-    const intent = await this.prisma.paymentIntent.findUnique({ where: { bookingId: dto.bookingId } });
-    if (!intent || intent.status !== 'SUCCEEDED') throw new BadRequestException('No successful payment to refund');
-    await this.prisma.paymentIntent.update({ where: { bookingId: dto.bookingId }, data: { status: 'CANCELLED' } });
-    const booking = await this.prisma.booking.findUnique({ where: { id: dto.bookingId }, include: { seats: true } });
+    const intent = await this.prisma.paymentIntent.findUnique({
+      where: { bookingId: dto.bookingId },
+    });
+    if (!intent || intent.status !== "SUCCEEDED")
+      throw new BadRequestException("No successful payment to refund");
+    await this.prisma.paymentIntent.update({
+      where: { bookingId: dto.bookingId },
+      data: { status: "CANCELLED" },
+    });
+    const booking = await this.prisma.booking.findUnique({
+      where: { id: dto.bookingId },
+      include: { seats: true },
+    });
     if (booking) {
       await this.seatsService.releaseSeats(booking.seats.map((s) => s.seatId));
-      await this.prisma.booking.update({ where: { id: dto.bookingId }, data: { status: 'CANCELLED' } });
+      await this.prisma.booking.update({
+        where: { id: dto.bookingId },
+        data: { status: "CANCELLED" },
+      });
     }
     return { refunded: true, bookingRef: booking?.bookingRef };
   }
@@ -342,7 +362,7 @@ export class PaymentsService {
       type: dto.type as unknown as PaymentMethodType,
       displayName: dto.displayName,
       region: dto.region as unknown as PaymentRegion,
-      currency: dto.currency ?? 'ETB',
+      currency: dto.currency ?? "ETB",
       providerId: dto.providerId,
       enabled: dto.enabled ?? true,
       sortOrder: dto.sortOrder ?? 0,
@@ -359,10 +379,17 @@ export class PaymentsService {
       where: {
         enabled: true,
         ...(region
-          ? { region: { in: [region, PaymentRegionEnum.GLOBAL] as unknown as PaymentRegion[] } }
+          ? {
+              region: {
+                in: [
+                  region,
+                  PaymentRegionEnum.GLOBAL,
+                ] as unknown as PaymentRegion[],
+              },
+            }
           : {}),
       },
-      orderBy: [{ sortOrder: 'asc' }, { displayName: 'asc' }],
+      orderBy: [{ sortOrder: "asc" }, { displayName: "asc" }],
     });
   }
 
@@ -374,19 +401,21 @@ export class PaymentsService {
     const intent = await this.prisma.paymentIntent.findUnique({
       where: { id: input.intentId },
     });
-    if (!intent) throw new NotFoundException('PaymentIntent not found');
+    if (!intent) throw new NotFoundException("PaymentIntent not found");
     if (intent.status === PaymentIntentStatus.SUCCEEDED) {
       return { alreadyFinalized: true };
     }
     if (intent.status === PaymentIntentStatus.CANCELLED) {
-      throw new BadRequestException('PaymentIntent is cancelled; cannot finalize');
+      throw new BadRequestException(
+        "PaymentIntent is cancelled; cannot finalize",
+      );
     }
 
     const booking = await this.prisma.booking.findUnique({
       where: { id: intent.bookingId },
       include: { seats: true },
     });
-    if (!booking) throw new NotFoundException('Booking not found');
+    if (!booking) throw new NotFoundException("Booking not found");
 
     const paidAt = input.paidAt ?? new Date();
     await this.prisma.$transaction(async (tx) => {
@@ -394,45 +423,134 @@ export class PaymentsService {
         where: { id: intent.id },
         data: {
           status: PaymentIntentStatus.SUCCEEDED,
-          providerTxnId: input.providerTxnId ?? intent.providerTxnId ?? undefined,
+          providerTxnId:
+            input.providerTxnId ?? intent.providerTxnId ?? undefined,
           paidAt,
         },
       });
       await tx.booking.update({
         where: { id: booking.id },
-        data: { status: 'CONFIRMED' },
+        data: { status: "CONFIRMED" },
       });
     });
 
     try {
       await this.seatsService.confirmSeats(booking.seats.map((s) => s.seatId));
     } catch (err) {
-      this.logger.error(`Error confirming seats: ${err instanceof Error ? err.message : String(err)}`);
+      this.logger.error(
+        `Error confirming seats: ${err instanceof Error ? err.message : String(err)}`,
+      );
     }
 
     try {
       await this.createJourneySegments(booking);
     } catch (err) {
-      this.logger.error(`Error creating journey segments: ${err instanceof Error ? err.message : String(err)}`);
+      this.logger.error(
+        `Error creating journey segments: ${err instanceof Error ? err.message : String(err)}`,
+      );
     }
 
     try {
       await this.ticketsService.generate(booking.id);
     } catch (err) {
-      this.logger.error(`Error generating ticket: ${err instanceof Error ? err.message : String(err)}`);
+      this.logger.error(
+        `Error generating ticket: ${err instanceof Error ? err.message : String(err)}`,
+      );
       throw err;
     }
 
     try {
-      await this.awardLoyaltyPoints(booking.passengerId, booking.totalMinor, booking.id);
+      await this.awardLoyaltyPoints(
+        booking.passengerId,
+        booking.totalMinor,
+        booking.id,
+      );
     } catch (err) {
-      this.logger.warn(`Error awarding loyalty points: ${err instanceof Error ? err.message : String(err)}`);
+      this.logger.warn(
+        `Error awarding loyalty points: ${err instanceof Error ? err.message : String(err)}`,
+      );
     }
 
-    this.eventEmitter.emit('payment.succeeded', { booking });
+    this.eventEmitter.emit("payment.succeeded", { booking });
     return { alreadyFinalized: false };
   }
 
+  async handlePaymentEvent(
+    event: PaymentEventDto,
+  ): Promise<MarkPaidResponseDto> {
+    if (
+      event.service !== PaymentServiceEnum.PASSENGER ||
+      event.referenceType !== PaymentReferenceType.BOOKING
+    ) {
+      this.logger.warn(
+        `mark-paid: ignoring foreign reference ${event.service}/${event.referenceType}/${event.referenceId}`,
+      );
+      return { processed: false, reason: "foreign-reference" };
+    }
+
+    if (event.eventType === "payment.failed") {
+      const intent = await this.prisma.paymentIntent.findUnique({
+        where: { bookingId: event.referenceId },
+      });
+      if (intent) {
+        await this.markPaymentFailed({
+          intentId: intent.id,
+          failureCode: event.failureCode,
+          failureMessage: event.failureMessage,
+        });
+      }
+      return { processed: true };
+    }
+
+    const booking = await this.prisma.booking.findUnique({
+      where: { id: event.referenceId },
+    });
+    if (!booking) {
+      // Ack (200) — a missing booking will not appear on redelivery; needs investigation.
+      this.logger.error(
+        `mark-paid: no booking for reference ${event.referenceId}`,
+      );
+      return { processed: false, reason: "booking-not-found" };
+    }
+
+    if (booking.totalMinor !== event.amountMinor) {
+      // Refuse to confirm: a 4xx makes the relay retry and eventually flag the row FAILED,
+      // which is the alertable signal for an asserted-vs-paid amount divergence.
+      this.logger.error(
+        `mark-paid: amount mismatch for booking ${booking.id}: booking=${booking.totalMinor} event=${event.amountMinor}`,
+      );
+      throw new BadRequestException(
+        "Event amount does not match booking total",
+      );
+    }
+
+    // Local intent row is a projection during the strangler migration: reuse it when the
+    // legacy initiate path created one, otherwise materialize it from the event.
+    let intent = await this.prisma.paymentIntent.findUnique({
+      where: { bookingId: event.referenceId },
+    });
+    if (!intent) {
+      intent = await this.prisma.paymentIntent.create({
+        data: {
+          bookingId: event.referenceId,
+          amountMinor: event.amountMinor,
+          currency: event.currency,
+          method: event.provider as unknown as PaymentMethodType,
+          status: PaymentIntentStatus.PROCESSING,
+          merchantOrderId: event.merchantOrderId,
+          providerTxnId: event.providerTxnId,
+        },
+      });
+    }
+
+    const { alreadyFinalized } = await this.finalizePaymentSuccess({
+      intentId: intent.id,
+      providerTxnId: event.providerTxnId,
+      paidAt: event.paidAt ? new Date(event.paidAt) : undefined,
+    });
+    return { processed: true, alreadyFinalized };
+  }
+
   async markPaymentFailed(input: {
     intentId: string;
     failureCode?: string;
@@ -441,7 +559,7 @@ export class PaymentsService {
     const intent = await this.prisma.paymentIntent.findUnique({
       where: { id: input.intentId },
     });
-    if (!intent) throw new NotFoundException('PaymentIntent not found');
+    if (!intent) throw new NotFoundException("PaymentIntent not found");
     if (
       intent.status === PaymentIntentStatus.SUCCEEDED ||
       intent.status === PaymentIntentStatus.CANCELLED
@@ -458,35 +576,72 @@ export class PaymentsService {
     });
   }
 
-  private async awardLoyaltyPoints(passengerId: string, amountMinor: number, bookingId: string) {
+  private async awardLoyaltyPoints(
+    passengerId: string,
+    amountMinor: number,
+    bookingId: string,
+  ) {
     const points = Math.floor(amountMinor / 100);
-    const account = await this.prisma.loyaltyAccount.findUnique({ where: { passengerId } });
+    const account = await this.prisma.loyaltyAccount.findUnique({
+      where: { passengerId },
+    });
     if (!account) return;
     const newBalance = account.pointsBalance + points;
-    const tier = newBalance >= 10000 ? 'PLATINUM' : newBalance >= 5000 ? 'GOLD' : newBalance >= 2000 ? 'SILVER' : 'BRONZE';
-    await this.prisma.loyaltyAccount.update({ where: { passengerId }, data: { pointsBalance: { increment: points }, tier: tier as any } });
-    await this.prisma.loyaltyLedgerEntry.create({ data: { accountId: account.id, delta: points, reason: 'TRIP_COMPLETED', bookingId, balanceAfter: newBalance } });
+    const tier =
+      newBalance >= 10000
+        ? "PLATINUM"
+        : newBalance >= 5000
+          ? "GOLD"
+          : newBalance >= 2000
+            ? "SILVER"
+            : "BRONZE";
+    await this.prisma.loyaltyAccount.update({
+      where: { passengerId },
+      data: { pointsBalance: { increment: points }, tier: tier as any },
+    });
+    await this.prisma.loyaltyLedgerEntry.create({
+      data: {
+        accountId: account.id,
+        delta: points,
+        reason: "TRIP_COMPLETED",
+        bookingId,
+        balanceAfter: newBalance,
+      },
+    });
   }
 
-  private async createJourneySegments(booking: Prisma.BookingGetPayload<{ include: { seats: true } }>) {
+  private async createJourneySegments(
+    booking: Prisma.BookingGetPayload<{ include: { seats: true } }>,
+  ) {
     const schedule = await this.prisma.trainSchedule.findUnique({
       where: { id: booking.scheduleId },
-      include: { stopTimes: { include: { station: true }, orderBy: { sequence: 'asc' } } },
+      include: {
+        stopTimes: { include: { station: true }, orderBy: { sequence: "asc" } },
+      },
     });
     if (!schedule) return;
 
     const stopTimes = schedule.stopTimes;
     if (stopTimes.length < 2) return;
 
-    const originSequence = stopTimes.findIndex(st => st.stationId === schedule.originStationId);
-    const destSequence = stopTimes.findIndex(st => st.stationId === schedule.destinationStationId);
+    const originSequence = stopTimes.findIndex(
+      (st) => st.stationId === schedule.originStationId,
+    );
+    const destSequence = stopTimes.findIndex(
+      (st) => st.stationId === schedule.destinationStationId,
+    );
 
-    if (originSequence < 0 || destSequence < 0 || originSequence >= destSequence) return;
+    if (
+      originSequence < 0 ||
+      destSequence < 0 ||
+      originSequence >= destSequence
+    )
+      return;
 
     const journey = await this.prisma.journey.create({
       data: {
         passengerId: booking.passengerId,
-        status: 'CONFIRMED',
+        status: "CONFIRMED",
         totalMinor: booking.totalMinor,
         currency: booking.currency,
       },

apps/edr-passenger-api/src/modules/payments/payments.types.ts

@@ -1,5 +1,6 @@
-// The payment provider contract now lives in @edr/types (consumed via @edr/payment-providers).
-// This file remains as a thin re-export so existing local imports keep working.
+// The payment provider contract lives in @edr/types; the gateways themselves now run only
+// inside apps/edr-payment-api. This file remains as a thin re-export so existing local
+// imports keep working.
 export type {
   PaymentProvider,
   ProviderInitiationInput,
@@ -7,5 +8,5 @@ export type {
   ProviderStatus,
   ClientAction,
   PaymentPlatform,
-} from '@edr/types';
-export { ProviderPaymentStatus, ProviderMethod } from '@edr/types';
+} from "@edr/types";
+export { ProviderPaymentStatus, ProviderMethod } from "@edr/types";

apps/edr-passenger-api/src/modules/payments/webhooks/card-webhook.service.ts

@@ -1,129 +0,0 @@
-import { Injectable, Logger } from '@nestjs/common';
-import { Prisma, PaymentIntentStatus, PaymentMethodType } from '@prisma/client';
-import {
-  CardProvider,
-  CardWebhookPayload,
-  ProviderPaymentStatus,
-} from '@edr/payment-providers';
-import { PrismaService } from '../../../common/prisma.service';
-import { PaymentsService } from '../payments.service';
-
-@Injectable()
-export class CardWebhookService {
-  private readonly logger = new Logger(CardWebhookService.name);
-
-  constructor(
-    private readonly prisma: PrismaService,
-    private readonly provider: CardProvider,
-    private readonly payments: PaymentsService,
-  ) {}
-
-  async handle(payload: CardWebhookPayload, signature: string): Promise<void> {
-    const merchantOrderId = payload.data.object.metadata.merchantOrderId;
-    const externalEventId = `${payload.id}_${payload.type}`;
-    const signatureValid = this.provider.verifyWebhookSignature(
-      payload as unknown as Record<string, unknown>,
-      signature,
-    );
-
-    const eventRow = await this.persistEvent({
-      externalEventId,
-      merchantOrderId,
-      providerTxnId: payload.data.object.transaction_id,
-      signatureValid,
-      status: payload.data.object.status,
-      payload,
-    });
-
-    if (!eventRow) {
-      this.logger.log(`Card webhook duplicate: ${externalEventId} — short-circuit OK`);
-      return;
-    }
-
-    if (!signatureValid) {
-      this.logger.warn(`Card webhook signature invalid for merchantOrderId=${merchantOrderId}`);
-      await this.markProcessed(eventRow.id, 'signature-invalid');
-      return;
-    }
-
-    const intent = await this.prisma.paymentIntent.findUnique({
-      where: { merchantOrderId },
-    });
-    if (!intent) {
-      this.logger.warn(`Card webhook: no PaymentIntent for merchantOrderId=${merchantOrderId}`);
-      await this.markProcessed(eventRow.id, 'intent-not-found');
-      return;
-    }
-
-    const mapped = this.provider.mapWebhookStatus(payload.data.object.status);
-
-    try {
-      if (mapped === ProviderPaymentStatus.SUCCEEDED) {
-        await this.payments.finalizePaymentSuccess({
-          intentId: intent.id,
-          providerTxnId: payload.data.object.transaction_id,
-          paidAt: payload.data.object.paid_at ? new Date(payload.data.object.paid_at * 1000) : undefined,
-        });
-      } else if (mapped === ProviderPaymentStatus.FAILED) {
-        await this.payments.markPaymentFailed({
-          intentId: intent.id,
-          failureCode: payload.data.object.failure_code,
-          failureMessage: payload.data.object.failure_message,
-        });
-      } else {
-        await this.prisma.paymentIntent.update({
-          where: { id: intent.id },
-          data: {
-            status: mapped as unknown as PaymentIntentStatus,
-            providerTxnId: payload.data.object.transaction_id ?? undefined,
-          },
-        });
-      }
-      await this.markProcessed(eventRow.id);
-    } catch (err) {
-      const message = err instanceof Error ? err.message : String(err);
-      this.logger.error(`Card webhook processing failed for ${merchantOrderId}: ${message}`);
-      await this.markProcessed(eventRow.id, `processing-error: ${message}`);
-      throw err;
-    }
-  }
-
-  private async persistEvent(input: {
-    externalEventId: string;
-    merchantOrderId: string;
-    providerTxnId?: string;
-    signatureValid: boolean;
-    status: string;
-    payload: CardWebhookPayload;
-  }): Promise<{ id: string } | null> {
-    try {
-      return await this.prisma.paymentWebhookEvent.create({
-        data: {
-          provider: PaymentMethodType.CARD,
-          externalEventId: input.externalEventId,
-          merchantOrderId: input.merchantOrderId,
-          providerTxnId: input.providerTxnId,
-          signatureValid: input.signatureValid,
-          status: input.status,
-          payload: input.payload as unknown as Prisma.InputJsonValue,
-        },
-        select: { id: true },
-      });
-    } catch (err) {
-      if (
-        err instanceof Prisma.PrismaClientKnownRequestError &&
-        err.code === 'P2002'
-      ) {
-        return null;
-      }
-      throw err;
-    }
-  }
-
-  private async markProcessed(eventId: string, processingError?: string): Promise<void> {
-    await this.prisma.paymentWebhookEvent.update({
-      where: { id: eventId },
-      data: { processedAt: new Date(), processingError },
-    });
-  }
-}

apps/edr-passenger-api/src/modules/payments/webhooks/cbe-birr-webhook.service.ts

@@ -1,127 +0,0 @@
-import { Injectable, Logger } from '@nestjs/common';
-import { Prisma, PaymentIntentStatus, PaymentMethodType } from '@prisma/client';
-import {
-  CbeBirrProvider,
-  CbeBirrWebhookPayload,
-  ProviderPaymentStatus,
-} from '@edr/payment-providers';
-import { PrismaService } from '../../../common/prisma.service';
-import { PaymentsService } from '../payments.service';
-
-@Injectable()
-export class CbeBirrWebhookService {
-  private readonly logger = new Logger(CbeBirrWebhookService.name);
-
-  constructor(
-    private readonly prisma: PrismaService,
-    private readonly provider: CbeBirrProvider,
-    private readonly payments: PaymentsService,
-  ) {}
-
-  async handle(payload: CbeBirrWebhookPayload): Promise<void> {
-    const merchantOrderId = payload.merchantOrderId;
-    const externalEventId = `${payload.orderId}_${payload.status}`;
-    const signatureValid = this.provider.verifyWebhookSignature(
-      payload as unknown as Record<string, unknown>,
-    );
-
-    const eventRow = await this.persistEvent({
-      externalEventId,
-      merchantOrderId,
-      providerTxnId: payload.transactionId ?? payload.orderId,
-      signatureValid,
-      status: payload.status,
-      payload,
-    });
-
-    if (!eventRow) {
-      this.logger.log(`CBE Birr webhook duplicate: ${externalEventId} — short-circuit OK`);
-      return;
-    }
-
-    if (!signatureValid) {
-      this.logger.warn(`CBE Birr webhook signature invalid for merchantOrderId=${merchantOrderId}`);
-      await this.markProcessed(eventRow.id, 'signature-invalid');
-      return;
-    }
-
-    const intent = await this.prisma.paymentIntent.findUnique({
-      where: { merchantOrderId },
-    });
-    if (!intent) {
-      this.logger.warn(`CBE Birr webhook: no PaymentIntent for merchantOrderId=${merchantOrderId}`);
-      await this.markProcessed(eventRow.id, 'intent-not-found');
-      return;
-    }
-
-    const mapped = this.provider.mapWebhookStatus(payload.status);
-
-    try {
-      if (mapped === ProviderPaymentStatus.SUCCEEDED) {
-        await this.payments.finalizePaymentSuccess({
-          intentId: intent.id,
-          providerTxnId: payload.transactionId ?? payload.orderId,
-          paidAt: payload.paidAt ? new Date(payload.paidAt) : undefined,
-        });
-      } else if (mapped === ProviderPaymentStatus.FAILED) {
-        await this.payments.markPaymentFailed({
-          intentId: intent.id,
-          failureCode: payload.status,
-        });
-      } else {
-        await this.prisma.paymentIntent.update({
-          where: { id: intent.id },
-          data: {
-            status: mapped as unknown as PaymentIntentStatus,
-            providerTxnId: payload.transactionId ?? undefined,
-          },
-        });
-      }
-      await this.markProcessed(eventRow.id);
-    } catch (err) {
-      const message = err instanceof Error ? err.message : String(err);
-      this.logger.error(`CBE Birr webhook processing failed for ${merchantOrderId}: ${message}`);
-      await this.markProcessed(eventRow.id, `processing-error: ${message}`);
-      throw err;
-    }
-  }
-
-  private async persistEvent(input: {
-    externalEventId: string;
-    merchantOrderId: string;
-    providerTxnId?: string;
-    signatureValid: boolean;
-    status: string;
-    payload: CbeBirrWebhookPayload;
-  }): Promise<{ id: string } | null> {
-    try {
-      return await this.prisma.paymentWebhookEvent.create({
-        data: {
-          provider: PaymentMethodType.CBE_BIRR,
-          externalEventId: input.externalEventId,
-          merchantOrderId: input.merchantOrderId,
-          providerTxnId: input.providerTxnId,
-          signatureValid: input.signatureValid,
-          status: input.status,
-          payload: input.payload as unknown as Prisma.InputJsonValue,
-        },
-        select: { id: true },
-      });
-    } catch (err) {
-      if (
-        err instanceof Prisma.PrismaClientKnownRequestError &&
-        err.code === 'P2002'
-      ) {
-        return null;
-      }
-      throw err;
-    }
-  }
-
-  private async markProcessed(eventId: string, processingError?: string): Promise<void> {
-    await this.prisma.paymentWebhookEvent.update({
-      where: { id: eventId },
-      data: { processedAt: new Date(), processingError },
-    });
-  }
-}

apps/edr-passenger-api/src/modules/payments/webhooks/ebirr-webhook.service.ts

@@ -1,127 +0,0 @@
-import { Injectable, Logger } from '@nestjs/common';
-import { Prisma, PaymentIntentStatus, PaymentMethodType } from '@prisma/client';
-import {
-  EBirrProvider,
-  EBirrWebhookPayload,
-  ProviderPaymentStatus,
-} from '@edr/payment-providers';
-import { PrismaService } from '../../../common/prisma.service';
-import { PaymentsService } from '../payments.service';
-
-@Injectable()
-export class EBirrWebhookService {
-  private readonly logger = new Logger(EBirrWebhookService.name);
-
-  constructor(
-    private readonly prisma: PrismaService,
-    private readonly provider: EBirrProvider,
-    private readonly payments: PaymentsService,
-  ) {}
-
-  async handle(payload: EBirrWebhookPayload): Promise<void> {
-    const merchantOrderId = payload.orderNo;
-    const externalEventId = `${payload.orderNo}_${payload.tradeStatus}_${payload.timestamp}`;
-    const signatureValid = this.provider.verifyWebhookSignature(
-      payload as unknown as Record<string, unknown>,
-    );
-
-    const eventRow = await this.persistEvent({
-      externalEventId,
-      merchantOrderId,
-      providerTxnId: payload.tradeNo,
-      signatureValid,
-      status: payload.tradeStatus,
-      payload,
-    });
-
-    if (!eventRow) {
-      this.logger.log(`eBirr webhook duplicate: ${externalEventId} — short-circuit OK`);
-      return;
-    }
-
-    if (!signatureValid) {
-      this.logger.warn(`eBirr webhook signature invalid for orderNo=${merchantOrderId}`);
-      await this.markProcessed(eventRow.id, 'signature-invalid');
-      return;
-    }
-
-    const intent = await this.prisma.paymentIntent.findUnique({
-      where: { merchantOrderId },
-    });
-    if (!intent) {
-      this.logger.warn(`eBirr webhook: no PaymentIntent for orderNo=${merchantOrderId}`);
-      await this.markProcessed(eventRow.id, 'intent-not-found');
-      return;
-    }
-
-    const mapped = this.provider.mapWebhookStatus(payload.tradeStatus);
-
-    try {
-      if (mapped === ProviderPaymentStatus.SUCCEEDED) {
-        await this.payments.finalizePaymentSuccess({
-          intentId: intent.id,
-          providerTxnId: payload.tradeNo,
-          paidAt: payload.payTime ? new Date(payload.payTime) : undefined,
-        });
-      } else if (mapped === ProviderPaymentStatus.FAILED) {
-        await this.payments.markPaymentFailed({
-          intentId: intent.id,
-          failureCode: payload.tradeStatus,
-        });
-      } else {
-        await this.prisma.paymentIntent.update({
-          where: { id: intent.id },
-          data: {
-            status: mapped as unknown as PaymentIntentStatus,
-            providerTxnId: payload.tradeNo ?? undefined,
-          },
-        });
-      }
-      await this.markProcessed(eventRow.id);
-    } catch (err) {
-      const message = err instanceof Error ? err.message : String(err);
-      this.logger.error(`eBirr webhook processing failed for ${merchantOrderId}: ${message}`);
-      await this.markProcessed(eventRow.id, `processing-error: ${message}`);
-      throw err;
-    }
-  }
-
-  private async persistEvent(input: {
-    externalEventId: string;
-    merchantOrderId: string;
-    providerTxnId?: string;
-    signatureValid: boolean;
-    status: string;
-    payload: EBirrWebhookPayload;
-  }): Promise<{ id: string } | null> {
-    try {
-      return await this.prisma.paymentWebhookEvent.create({
-        data: {
-          provider: PaymentMethodType.EBIRR,
-          externalEventId: input.externalEventId,
-          merchantOrderId: input.merchantOrderId,
-          providerTxnId: input.providerTxnId,
-          signatureValid: input.signatureValid,
-          status: input.status,
-          payload: input.payload as unknown as Prisma.InputJsonValue,
-        },
-        select: { id: true },
-      });
-    } catch (err) {
-      if (
-        err instanceof Prisma.PrismaClientKnownRequestError &&
-        err.code === 'P2002'
-      ) {
-        return null;
-      }
-      throw err;
-    }
-  }
-
-  private async markProcessed(eventId: string, processingError?: string): Promise<void> {
-    await this.prisma.paymentWebhookEvent.update({
-      where: { id: eventId },
-      data: { processedAt: new Date(), processingError },
-    });
-  }
-}

apps/edr-passenger-api/src/modules/payments/webhooks/telebirr-webhook.service.ts

@@ -1,149 +0,0 @@
-import { Injectable, Logger } from '@nestjs/common';
-import { Prisma, PaymentIntentStatus, PaymentMethodType } from '@prisma/client';
-import {
-  TelebirrProvider,
-  TelebirrWebhookPayload,
-  ProviderPaymentStatus,
-} from '@edr/payment-providers';
-import { PrismaService } from '../../../common/prisma.service';
-import { PaymentsService } from '../payments.service';
-
-@Injectable()
-export class TelebirrWebhookService {
-  private readonly logger = new Logger(TelebirrWebhookService.name);
-
-  constructor(
-    private readonly prisma: PrismaService,
-    private readonly provider: TelebirrProvider,
-    private readonly payments: PaymentsService,
-  ) {}
-
-  async handle(payload: TelebirrWebhookPayload): Promise<void> {
-    const merchantOrderId = payload.merch_order_id;
-    const externalEventId = this.buildExternalEventId(payload);
-    // TODO: re-enable Telebirr public-key signature verification — skipped for now
-    // const signatureValid = this.provider.verifyWebhookSignature(
-    //   payload as unknown as Record<string, unknown>,
-    // );
-    const signatureValid = true;
-
-    const eventRow = await this.persistEvent({
-      externalEventId,
-      merchantOrderId,
-      providerTxnId: payload.trans_id ?? payload.payment_order_id,
-      signatureValid,
-      status: payload.trade_status,
-      payload,
-    });
-
-    if (!eventRow) {
-      this.logger.log(
-        `Telebirr webhook duplicate: ${externalEventId} — short-circuit OK`,
-      );
-      return;
-    }
-
-    // TODO: re-enable signature gate once verifyWebhookSignature is restored
-    // if (!signatureValid) {
-    //   this.logger.warn(
-    //     `Telebirr webhook signature invalid for merch_order_id=${merchantOrderId}`,
-    //   );
-    //   await this.markProcessed(eventRow.id, 'signature-invalid');
-    //   return;
-    // }
-
-    const intent = await this.prisma.paymentIntent.findUnique({
-      where: { merchantOrderId },
-    });
-    if (!intent) {
-      this.logger.warn(
-        `Telebirr webhook: no PaymentIntent for merch_order_id=${merchantOrderId}`,
-      );
-      await this.markProcessed(eventRow.id, 'intent-not-found');
-      return;
-    }
-
-    const mapped = this.provider.mapWebhookTradeStatus(payload.trade_status);
-
-    try {
-      if (mapped === ProviderPaymentStatus.SUCCEEDED) {
-        await this.payments.finalizePaymentSuccess({
-          intentId: intent.id,
-          providerTxnId: payload.trans_id ?? payload.payment_order_id,
-          paidAt: this.parseEpochSeconds(payload.trans_end_time),
-        });
-      } else if (mapped === ProviderPaymentStatus.FAILED) {
-        await this.payments.markPaymentFailed({
-          intentId: intent.id,
-          failureCode: payload.trade_status,
-        });
-      } else {
-        await this.prisma.paymentIntent.update({
-          where: { id: intent.id },
-          data: {
-            status: mapped as unknown as PaymentIntentStatus,
-            providerTxnId: payload.trans_id ?? undefined,
-          },
-        });
-      }
-      await this.markProcessed(eventRow.id);
-    } catch (err) {
-      const message = err instanceof Error ? err.message : String(err);
-      this.logger.error(
-        `Telebirr webhook processing failed for ${merchantOrderId}: ${message}`,
-      );
-      await this.markProcessed(eventRow.id, `processing-error: ${message}`);
-      throw err;
-    }
-  }
-
-  private buildExternalEventId(payload: TelebirrWebhookPayload): string {
-    return `${payload.payment_order_id}_${payload.trade_status}`;
-  }
-
-  private async persistEvent(input: {
-    externalEventId: string;
-    merchantOrderId: string;
-    providerTxnId?: string;
-    signatureValid: boolean;
-    status: string;
-    payload: TelebirrWebhookPayload;
-  }): Promise<{ id: string } | null> {
-    try {
-      return await this.prisma.paymentWebhookEvent.create({
-        data: {
-          provider: PaymentMethodType.TELEBIRR,
-          externalEventId: input.externalEventId,
-          merchantOrderId: input.merchantOrderId,
-          providerTxnId: input.providerTxnId,
-          signatureValid: input.signatureValid,
-          status: input.status,
-          payload: input.payload as unknown as Prisma.InputJsonValue,
-        },
-        select: { id: true },
-      });
-    } catch (err) {
-      if (
-        err instanceof Prisma.PrismaClientKnownRequestError &&
-        err.code === 'P2002'
-      ) {
-        return null;
-      }
-      throw err;
-    }
-  }
-
-  private async markProcessed(eventId: string, processingError?: string): Promise<void> {
-    await this.prisma.paymentWebhookEvent.update({
-      where: { id: eventId },
-      data: { processedAt: new Date(), processingError },
-    });
-  }
-
-  private parseEpochSeconds(raw: string | undefined): Date | undefined {
-    if (!raw) return undefined;
-    const n = parseInt(raw, 10);
-    if (Number.isNaN(n)) return undefined;
-    return new Date(n * 1000);
-  }
-}

apps/edr-passenger-api/src/modules/payments/webhooks/waafi-webhook.service.ts

@@ -1,93 +0,0 @@
-import { Injectable, Logger } from '@nestjs/common';
-import {
-  WaafiProvider,
-  WaafiWebhookPayload,
-  ProviderPaymentStatus,
-} from '@edr/payment-providers';
-import { PaymentIntentStatus, PaymentMethodType } from '@prisma/client';
-import { PrismaService } from '../../../common/prisma.service';
-import { PaymentsService } from '../payments.service';
-
-@Injectable()
-export class WaafiWebhookService {
-  private readonly logger = new Logger(WaafiWebhookService.name);
-
-  constructor(
-    private prisma: PrismaService,
-    private paymentsService: PaymentsService,
-    private waafiProvider: WaafiProvider,
-  ) {}
-
-  async handleWebhook(payload: WaafiWebhookPayload): Promise<{ received: boolean }> {
-    this.logger.log(
-      `Waafi webhook received: event=${payload.eventType} ref=${payload.params?.referenceId}`,
-    );
-
-    const signatureValid = this.waafiProvider.verifyWebhookSignature(
-      payload as unknown as Record<string, unknown>,
-    );
-
-    const merchantOrderId = payload.params?.referenceId;
-    const transactionId = payload.params?.transactionId;
-    const state = payload.params?.state;
-
-    await this.prisma.paymentWebhookEvent.create({
-      data: {
-        provider: PaymentMethodType.WAAFI,
-        externalEventId: payload.requestId,
-        merchantOrderId,
-        providerTxnId: transactionId,
-        signatureValid,
-        status: state || 'UNKNOWN',
-        payload: payload as any,
-      },
-    });
-
-    if (!signatureValid) {
-      this.logger.warn(`Waafi webhook signature invalid for ref=${merchantOrderId}`);
-      return { received: true };
-    }
-
-    if (!merchantOrderId) {
-      this.logger.error('Waafi webhook missing referenceId');
-      return { received: true };
-    }
-
-    const intent = await this.prisma.paymentIntent.findFirst({
-      where: { merchantOrderId },
-    });
-
-    if (!intent) {
-      this.logger.warn(`No PaymentIntent found for merchantOrderId=${merchantOrderId}`);
-      return { received: true };
-    }
-
-    const mappedStatus = this.waafiProvider.mapState(state);
-
-    if (mappedStatus === ProviderPaymentStatus.SUCCEEDED) {
-      await this.paymentsService.finalizePaymentSuccess({
-        intentId: intent.id,
-        providerTxnId: transactionId,
-      });
-      this.logger.log(`Waafi payment succeeded: intent=${intent.id} txn=${transactionId}`);
-    } else if (mappedStatus === ProviderPaymentStatus.FAILED) {
-      await this.paymentsService.markPaymentFailed({
-        intentId: intent.id,
-        failureCode: state,
-        failureMessage: payload.params?.description,
-      });
-      this.logger.log(`Waafi payment failed: intent=${intent.id} state=${state}`);
-    } else {
-      await this.prisma.paymentIntent.update({
-        where: { id: intent.id },
-        data: {
-          status: mappedStatus as unknown as PaymentIntentStatus,
-          providerTxnId: transactionId,
-        },
-      });
-      this.logger.log(`Waafi payment status updated: intent=${intent.id} status=${mappedStatus}`);
-    }
-
-    return { received: true };
-  }
-}

apps/edr-passenger-api/src/modules/payments/webhooks/webhooks.controller.ts

@@ -1,115 +0,0 @@
-import {All, Body, Controller, Headers, HttpCode, HttpStatus, Logger, Post} from '@nestjs/common';
-import { ApiOperation, ApiTags } from '@nestjs/swagger';
-import {
-  TelebirrWebhookPayload,
-  CbeBirrWebhookPayload,
-  EBirrWebhookPayload,
-  CardWebhookPayload,
-} from '@edr/payment-providers';
-import { TelebirrWebhookService } from './telebirr-webhook.service';
-import { CbeBirrWebhookService } from './cbe-birr-webhook.service';
-import { EBirrWebhookService } from './ebirr-webhook.service';
-import { CardWebhookService } from './card-webhook.service';
-import { WaafiWebhookService } from './waafi-webhook.service';
-
-@ApiTags('Payment Webhooks')
-@Controller('payments/webhooks')
-export class WebhooksController {
-  private readonly logger = new Logger(WebhooksController.name);
-
-  constructor(
-    private readonly telebirr: TelebirrWebhookService,
-    private readonly cbeBirr: CbeBirrWebhookService,
-    private readonly eBirr: EBirrWebhookService,
-    private readonly card: CardWebhookService,
-    private readonly waafi: WaafiWebhookService,
-  ) {}
-
-  @All('telebirr')
-  @HttpCode(HttpStatus.OK)
-  @ApiOperation({ 
-    summary: 'Telebirr payment notification callback (Ethiopia)',
-    description: 'Webhook endpoint for Telebirr payment status updates. Used by Ethiopian passengers.'
-  })
-  async receiveTelebirr(@Body() payload: TelebirrWebhookPayload) {
-
-    this.logger.log(
-        `Telebirr webhook Called`,
-    );
-
-    try {
-      await this.telebirr.handle(payload);
-    } catch (err) {
-      const message = err instanceof Error ? err.message : String(err);
-      this.logger.error(`Telebirr webhook handler threw: ${message}`);
-    }
-    return { code: '0', message: 'OK' };
-  }
-
-  @Post('cbe-birr')
-  @HttpCode(HttpStatus.OK)
-  @ApiOperation({ 
-    summary: 'CBE Birr payment notification callback (Ethiopia)',
-    description: 'Webhook endpoint for Commercial Bank of Ethiopia payment status updates.'
-  })
-  async receiveCbeBirr(@Body() payload: CbeBirrWebhookPayload) {
-    try {
-      await this.cbeBirr.handle(payload);
-    } catch (err) {
-      const message = err instanceof Error ? err.message : String(err);
-      this.logger.error(`CBE Birr webhook handler threw: ${message}`);
-    }
-    return { success: true };
-  }
-
-  @Post('ebirr')
-  @HttpCode(HttpStatus.OK)
-  @ApiOperation({ 
-    summary: 'eBirr payment notification callback (Ethiopia)',
-    description: 'Webhook endpoint for eBirr electronic payment gateway status updates.'
-  })
-  async receiveEBirr(@Body() payload: EBirrWebhookPayload) {
-    try {
-      await this.eBirr.handle(payload);
-    } catch (err) {
-      const message = err instanceof Error ? err.message : String(err);
-      this.logger.error(`eBirr webhook handler threw: ${message}`);
-    }
-    return { code: '0000', message: 'success' };
-  }
-
-  @Post('card')
-  @HttpCode(HttpStatus.OK)
-  @ApiOperation({ 
-    summary: 'Card payment notification callback (International)',
-    description: 'Webhook endpoint for international card payments (Visa, Mastercard) via Stripe.'
-  })
-  async receiveCard(
-    @Body() payload: CardWebhookPayload,
-    @Headers('stripe-signature') signature: string,
-  ) {
-    try {
-      await this.card.handle(payload, signature);
-    } catch (err) {
-      const message = err instanceof Error ? err.message : String(err);
-      this.logger.error(`Card webhook handler threw: ${message}`);
-    }
-    return { received: true };
-  }
-
-  @Post('waafi')
-  @HttpCode(HttpStatus.OK)
-  @ApiOperation({ 
-    summary: 'Waafi payment notification callback (Djibouti)',
-    description: 'Webhook endpoint for Waafi mobile money payment status updates. Used by Djiboutian passengers.'
-  })
-  async receiveWaafi(@Body() payload: any) {
-    try {
-      await this.waafi.handleWebhook(payload);
-    } catch (err) {
-      const message = err instanceof Error ? err.message : String(err);
-      this.logger.error(`Waafi webhook handler threw: ${message}`);
-    }
-    return { responseCode: '2001', responseMsg: 'Success' };
-  }
-}

apps/edr-payment-api/nest-cli.json

@@ -0,0 +1,8 @@
+{
+  "$schema": "https://json.schemastore.org/nest-cli",
+  "collection": "@nestjs/schematics",
+  "sourceRoot": "src",
+  "compilerOptions": {
+    "deleteOutDir": false
+  }
+}

apps/edr-payment-api/package.json

@@ -0,0 +1,74 @@
+{
+  "name": "@edr/payment-api",
+  "version": "0.0.0",
+  "private": true,
+  "description": "EDR Payment Microservice — owns provider integration, payment intents, webhooks, and outbox notifications for the whole platform",
+  "scripts": {
+    "clean": "node -e \"const fs=require('fs'); fs.rmSync('dist',{recursive:true,force:true}); fs.rmSync('.tsbuildinfo',{force:true});\"",
+    "predev": "pnpm run clean",
+    "dev": "nest start --watch",
+    "prebuild": "pnpm run clean",
+    "build": "nest build",
+    "start": "node dist/main.js",
+    "lint": "eslint src",
+    "test": "jest",
+    "type-check": "tsc --noEmit",
+    "migration:run": "ts-node src/scripts/migrate.ts",
+    "migration:revert": "ts-node src/scripts/migrate-revert.ts"
+  },
+  "dependencies": {
+    "@edr/api-common": "workspace:*",
+    "@edr/payment-providers": "workspace:*",
+    "@edr/types": "workspace:*",
+    "@nestjs/axios": "^4.0.1",
+    "@nestjs/common": "^11.0.0",
+    "@nestjs/config": "^4.0.0",
+    "@nestjs/core": "^11.0.0",
+    "@nestjs/platform-express": "^11.0.0",
+    "@nestjs/schedule": "^6.0.0",
+    "@nestjs/swagger": "^11.4.2",
+    "@nestjs/typeorm": "^11.0.1",
+    "axios": "^1.16.1",
+    "class-transformer": "^0.5.1",
+    "class-validator": "^0.14.1",
+    "dotenv": "^17.4.2",
+    "pg": "^8.13.0",
+    "reflect-metadata": "^0.2.2",
+    "rxjs": "^7.8.1",
+    "typeorm": "0.3.30"
+  },
+  "devDependencies": {
+    "@edr/eslint-config": "workspace:*",
+    "@edr/tsconfig": "workspace:*",
+    "@nestjs/cli": "^11.0.0",
+    "@nestjs/schematics": "^11.0.0",
+    "@nestjs/testing": "^11.0.0",
+    "@types/express": "^5.0.0",
+    "@types/jest": "^29.5.13",
+    "@types/node": "^20.14.0",
+    "@types/pg": "^8.6.7",
+    "jest": "^29.7.0",
+    "ts-jest": "^29.2.5",
+    "ts-loader": "^9.5.1",
+    "ts-node": "^10.9.2",
+    "tsconfig-paths": "^4.2.0",
+    "typescript": "^5.5.4"
+  },
+  "jest": {
+    "moduleFileExtensions": [
+      "js",
+      "json",
+      "ts"
+    ],
+    "rootDir": "src",
+    "testRegex": ".*\\.spec\\.ts$",
+    "transform": {
+      "^.+\\.(t|j)s$": "ts-jest"
+    },
+    "collectCoverageFrom": [
+      "**/*.(t|j)s"
+    ],
+    "coverageDirectory": "../coverage",
+    "testEnvironment": "node"
+  }
+}

apps/edr-payment-api/src/app.module.ts

@@ -0,0 +1,51 @@
+import { Module } from "@nestjs/common";
+import { ConfigModule, ConfigService } from "@nestjs/config";
+import { ScheduleModule } from "@nestjs/schedule";
+import { TypeOrmModule, TypeOrmModuleOptions } from "@nestjs/typeorm";
+import appConfig from "./config/app.config";
+import databaseConfig from "./config/database.config";
+import notifierConfig from "./config/notifier.config";
+import telebirrConfig from "./config/telebirr.config";
+import waafiConfig from "./config/waafi.config";
+import cbeConfig from "./config/cbe.config";
+import ebirrConfig from "./config/ebirr.config";
+import cardConfig from "./config/card.config";
+import dmoneyConfig from "./config/dmoney.config";
+import { HealthModule } from "./modules/health/health.module";
+import { IntentsModule } from "./modules/intents/intents.module";
+import { OutboxModule } from "./modules/outbox/outbox.module";
+import { ProvidersModule } from "./modules/providers/providers.module";
+import { ReconciliationModule } from "./modules/reconciliation/reconciliation.module";
+import { WebhooksModule } from "./modules/webhooks/webhooks.module";
+
+@Module({
+  imports: [
+    ConfigModule.forRoot({
+      isGlobal: true,
+      load: [
+        appConfig,
+        databaseConfig,
+        notifierConfig,
+        telebirrConfig,
+        waafiConfig,
+        cbeConfig,
+        ebirrConfig,
+        cardConfig,
+        dmoneyConfig,
+      ],
+    }),
+    TypeOrmModule.forRootAsync({
+      inject: [ConfigService],
+      useFactory: (config: ConfigService) =>
+        config.get<TypeOrmModuleOptions>("database") as TypeOrmModuleOptions,
+    }),
+    ScheduleModule.forRoot(),
+    HealthModule,
+    ProvidersModule,
+    IntentsModule,
+    WebhooksModule,
+    OutboxModule,
+    ReconciliationModule,
+  ],
+})
+export class AppModule {}

apps/edr-payment-api/src/common/guards/service-auth.guard.ts

@@ -0,0 +1,55 @@
+import {
+  CanActivate,
+  ExecutionContext,
+  Injectable,
+  Logger,
+  UnauthorizedException,
+} from "@nestjs/common";
+import { ConfigService } from "@nestjs/config";
+import { timingSafeEqual } from "node:crypto";
+import { Request } from "express";
+
+/**
+ * Shared-secret service-to-service auth for the internal surface (/payments/*).
+ * Callers send `x-service-token: <SERVICE_AUTH_TOKEN>` (or `Authorization: Bearer …`).
+ * Webhook endpoints are intentionally NOT behind this guard — they are provider-facing and
+ * authenticate via signature verification instead.
+ */
+@Injectable()
+export class ServiceAuthGuard implements CanActivate {
+  private readonly logger = new Logger(ServiceAuthGuard.name);
+  private readonly token: string;
+  private warned = false;
+
+  constructor(config: ConfigService) {
+    this.token = config.get<string>("app.serviceAuthToken") ?? "";
+    if (!this.token && process.env.NODE_ENV === "production") {
+      throw new Error("SERVICE_AUTH_TOKEN must be set in production");
+    }
+  }
+
+  canActivate(context: ExecutionContext): boolean {
+    if (!this.token) {
+      if (!this.warned) {
+        this.logger.warn(
+          "SERVICE_AUTH_TOKEN unset — internal endpoints are UNGUARDED (dev only)",
+        );
+        this.warned = true;
+      }
+      return true;
+    }
+
+    const request = context.switchToHttp().getRequest<Request>();
+    const header = request.headers["x-service-token"];
+    const bearer = request.headers.authorization?.replace(/^Bearer\s+/i, "");
+    const presented =
+      (Array.isArray(header) ? header[0] : header) ?? bearer ?? "";
+
+    const expected = Buffer.from(this.token);
+    const actual = Buffer.from(presented);
+    const valid =
+      expected.length === actual.length && timingSafeEqual(expected, actual);
+    if (!valid) throw new UnauthorizedException("Invalid service token");
+    return true;
+  }
+}

apps/edr-payment-api/src/config/app.config.ts

@@ -0,0 +1,21 @@
+import { registerAs } from "@nestjs/config";
+
+export default registerAs("app", () => ({
+  port: parseInt(process.env.PORT ?? "3003", 10),
+  /**
+   * Shared secret for service-to-service auth (apps -> /payments/*, payment -> mark-paid).
+   * Required in production; in development an empty value disables the guard with a warning.
+   * TODO: integrate @tria-plc IAM / mTLS as the long-term mechanism (docs/payment-service §14).
+   */
+  serviceAuthToken: process.env.SERVICE_AUTH_TOKEN ?? "",
+  reconciliation: {
+    /** How often the stale-intent sweep runs. */
+    sweepIntervalMs: parseInt(
+      process.env.RECONCILE_SWEEP_INTERVAL_MS ?? "60000",
+      10,
+    ),
+    /** An intent is "stale" when non-terminal and untouched for this long. */
+    staleAfterMs: parseInt(process.env.RECONCILE_STALE_AFTER_MS ?? "60000", 10),
+    batchSize: parseInt(process.env.RECONCILE_BATCH_SIZE ?? "20", 10),
+  },
+}));

apps/edr-payment-api/src/config/card.config.ts

@@ -0,0 +1,9 @@
+import { registerAs } from "@nestjs/config";
+
+export default registerAs("card", () => ({
+  baseUrl: process.env.CARD_BASE_URL || "",
+  apiKey: process.env.CARD_API_KEY || "",
+  webhookSecret: process.env.CARD_WEBHOOK_SECRET || "",
+  webhookUrl: process.env.CARD_WEBHOOK_URL || "",
+  returnUrl: process.env.CARD_RETURN_URL || "",
+}));

apps/edr-payment-api/src/config/cbe.config.ts

@@ -0,0 +1,9 @@
+import { registerAs } from "@nestjs/config";
+
+export default registerAs("cbe", () => ({
+  baseUrl: process.env.CBE_BASE_URL || "",
+  merchantId: process.env.CBE_MERCHANT_ID || "",
+  secretKey: process.env.CBE_SECRET_KEY || "",
+  notifyUrl: process.env.CBE_NOTIFY_URL || "",
+  returnUrl: process.env.CBE_RETURN_URL || "",
+}));

apps/edr-payment-api/src/config/database.config.ts

@@ -0,0 +1,36 @@
+import { registerAs } from "@nestjs/config";
+import { TypeOrmModuleOptions } from "@nestjs/typeorm";
+import { DataSourceOptions } from "typeorm";
+
+/**
+ * Shared connection options for the Nest TypeORM module and the standalone DataSource
+ * (migration CLI). Payment tables live in the SAME Postgres database as the domain system
+ * (edr_database by default) but in the dedicated `edr_payment` schema; logical ownership is
+ * enforced with a dedicated DB user in non-dev environments (grants only on this schema).
+ */
+export function buildDataSourceOptions(): DataSourceOptions {
+  return {
+    type: "postgres",
+    host: process.env.DB_HOST ?? "localhost",
+    port: parseInt(process.env.DB_PORT ?? "5432", 10),
+    username: process.env.DB_USER ?? "edr",
+    password: process.env.DB_PASSWORD ?? "",
+    database: process.env.DB_NAME ?? "edr_database",
+    schema: process.env.DB_SCHEMA ?? "edr_payment",
+    entities: [__dirname + "/../**/*.entity.{ts,js}"],
+    migrations: [__dirname + "/../migrations/*.{ts,js}"],
+    // Schema changes go through migrations only — never synchronize (house rule).
+    synchronize: false,
+    logging: process.env.NODE_ENV === "development",
+  };
+}
+
+export default registerAs(
+  "database",
+  (): TypeOrmModuleOptions => ({
+    ...buildDataSourceOptions(),
+    autoLoadEntities: true,
+    // Run pending migrations on boot (main.ts ensures the database/schema exist first).
+    migrationsRun: true,
+  }),
+);

apps/edr-payment-api/src/config/dmoney.config.ts

@@ -0,0 +1,10 @@
+import { registerAs } from "@nestjs/config";
+
+export default registerAs("dmoney", () => ({
+  baseUrl: process.env.DMONEY_BASE_URL ?? "",
+  appId: process.env.DMONEY_APP_ID ?? "",
+  appSecret: process.env.DMONEY_APP_SECRET ?? "",
+  publicKey: process.env.DMONEY_PUBLIC_KEY ?? "",
+  privateKey: process.env.DMONEY_PRIVATE_KEY ?? "",
+  notifyUrl: process.env.DMONEY_NOTIFY_URL ?? "",
+}));

apps/edr-payment-api/src/config/ebirr.config.ts

@@ -0,0 +1,9 @@
+import { registerAs } from "@nestjs/config";
+
+export default registerAs("ebirr", () => ({
+  baseUrl: process.env.EBIRR_BASE_URL || "",
+  merchantCode: process.env.EBIRR_MERCHANT_CODE || "",
+  secretKey: process.env.EBIRR_SECRET_KEY || "",
+  notifyUrl: process.env.EBIRR_NOTIFY_URL || "",
+  returnUrl: process.env.EBIRR_RETURN_URL || "",
+}));

apps/edr-payment-api/src/config/ensure-schema.ts

@@ -0,0 +1,52 @@
+import { Client } from "pg";
+
+const IDENTIFIER = /^[a-z_][a-z0-9_]*$/;
+
+function connectionEnv() {
+  return {
+    host: process.env.DB_HOST ?? "localhost",
+    port: parseInt(process.env.DB_PORT ?? "5432", 10),
+    user: process.env.DB_USER ?? "edr",
+    password: process.env.DB_PASSWORD ?? "",
+  };
+}
+
+/**
+ * Dev/bootstrap convenience: make sure the `edr_payment` schema exists in the shared
+ * database before TypeORM initializes (the migrations table itself lives in the schema, so
+ * migrations cannot create it). In production the schema/grants are provisioned out-of-band
+ * by ops; this is then a no-op.
+ */
+export async function ensurePaymentSchema(): Promise<void> {
+  const database = process.env.DB_NAME ?? "edr_database";
+  const schema = process.env.DB_SCHEMA ?? "edr_payment";
+  if (!IDENTIFIER.test(database) || !IDENTIFIER.test(schema)) {
+    throw new Error(
+      `Invalid DB_NAME/DB_SCHEMA identifier: ${database}/${schema}`,
+    );
+  }
+
+  let client = new Client({ ...connectionEnv(), database });
+  try {
+    await client.connect();
+  } catch (err) {
+    // 3D000 = database does not exist — create it from the maintenance DB, then reconnect.
+    if ((err as { code?: string }).code !== "3D000") throw err;
+    await client.end().catch(() => undefined);
+    const admin = new Client({ ...connectionEnv(), database: "postgres" });
+    await admin.connect();
+    try {
+      await admin.query(`CREATE DATABASE "${database}"`);
+    } finally {
+      await admin.end();
+    }
+    client = new Client({ ...connectionEnv(), database });
+    await client.connect();
+  }
+
+  try {
+    await client.query(`CREATE SCHEMA IF NOT EXISTS "${schema}"`);
+  } finally {
+    await client.end();
+  }
+}

apps/edr-payment-api/src/config/notifier.config.ts

@@ -0,0 +1,15 @@
+import { registerAs } from "@nestjs/config";
+
+export default registerAs("notifier", () => ({
+  /** mark-paid callback URL per owning service (PaymentService discriminator routes here). */
+  passengerUrl:
+    process.env.PAYMENT_NOTIFY_PASSENGER_URL ??
+    "http://localhost:3002/internal/payments/mark-paid",
+  freightUrl:
+    process.env.PAYMENT_NOTIFY_FREIGHT_URL ??
+    "http://localhost:3001/internal/payments/mark-paid",
+  relayIntervalMs: parseInt(process.env.OUTBOX_RELAY_INTERVAL_MS ?? "5000", 10),
+  maxAttempts: parseInt(process.env.OUTBOX_MAX_ATTEMPTS ?? "10", 10),
+  httpTimeoutMs: parseInt(process.env.NOTIFY_HTTP_TIMEOUT_MS ?? "10000", 10),
+  relayBatchSize: parseInt(process.env.OUTBOX_RELAY_BATCH_SIZE ?? "20", 10),
+}));

apps/edr-payment-api/src/config/telebirr.config.ts

@@ -0,0 +1,16 @@
+import { registerAs } from "@nestjs/config";
+
+export default registerAs("telebirr", () => ({
+  baseUrl: process.env.TELEBIRR_BASE_URL ?? "",
+  webBaseUrl: process.env.TELEBIRR_WEB_BASE_URL ?? "",
+  fabricAppId: process.env.TELEBIRR_FABRIC_APP_ID ?? "",
+  appSecret: process.env.TELEBIRR_APP_SECRET ?? "",
+  merchantAppId: process.env.TELEBIRR_MERCHANT_APP_ID ?? "",
+  merchantCode: process.env.TELEBIRR_MERCHANT_CODE ?? "",
+  notifyUrl: process.env.TELEBIRR_NOTIFY_URL ?? "",
+  returnUrl: process.env.TELEBIRR_RETURN_URL ?? "",
+  timeoutExpress: process.env.TELEBIRR_TIMEOUT_EXPRESS ?? "15m",
+  privateKey: process.env.TELEBIRR_PRIVATE_KEY ?? "",
+  publicKey: process.env.TELEBIRR_PUBLIC_KEY ?? "",
+  insecureTls: process.env.TELEBIRR_INSECURE_TLS === "true",
+}));

apps/edr-payment-api/src/config/waafi.config.ts

@@ -0,0 +1,27 @@
+import { registerAs } from "@nestjs/config";
+
+export default registerAs("waafi", () => ({
+  // `/asm` is appended in the provider; use sandbox by default, switch to
+  // https://api.waafipay.net in production.
+  baseUrl: process.env.WAAFI_BASE_URL ?? "https://sandbox.waafipay.net",
+  // HPP credentials (Hosted Payment Page family).
+  merchantUid: process.env.WAAFI_MERCHANT_UID ?? "",
+  storeId: process.env.WAAFI_STORE_ID ?? "",
+  hppKey: process.env.WAAFI_HPP_KEY ?? "",
+  // HMAC secret returned once by WEBHOOK_REGISTER; verifies inbound webhooks.
+  webhookSecret: process.env.WAAFI_WEBHOOK_SECRET ?? "",
+  // Wallet payment method (EVC/ZAAD/Sahal) — MWALLET_ACCOUNT requires the payer phone up front.
+  paymentMethod: process.env.WAAFI_PAYMENT_METHOD ?? "MWALLET_ACCOUNT",
+  // Waafi has no ETB; when set this overrides the asserted currency (USD/DJF/SLSH).
+  currency: process.env.WAAFI_CURRENCY ?? "DJF",
+  // Browser redirect targets after the hosted page completes/fails (UX only; webhook is source of truth).
+  successUrl: process.env.WAAFI_HPP_SUCCESS_URL ?? "",
+  failureUrl: process.env.WAAFI_HPP_FAILURE_URL ?? "",
+  // Callback data format: 1 = POST, 2 = GET, 4 = Result Token.
+  respDataFormat: Number(process.env.WAAFI_HPP_RESP_FORMAT ?? "1"),
+  // Registered webhook URL (reference only; registration is performed out-of-band).
+  notifyUrl: process.env.WAAFI_NOTIFY_URL ?? "",
+  // DEV ONLY: disable TLS cert verification. The Waafi sandbox serves a *.waafi.com cert that
+  // does not match sandbox.waafipay.net (ERR_TLS_CERT_ALTNAME_INVALID). Never enable in prod.
+  insecureTls: process.env.WAAFI_INSECURE_TLS === "true",
+}));

apps/edr-payment-api/src/data-source.ts

@@ -0,0 +1,8 @@
+import "dotenv/config";
+import { DataSource } from "typeorm";
+import { buildDataSourceOptions } from "./config/database.config";
+
+/** Standalone DataSource for the TypeORM CLI and the migrate script. */
+export const AppDataSource = new DataSource(buildDataSourceOptions());
+
+export default AppDataSource;

apps/edr-payment-api/src/main.ts

@@ -0,0 +1,54 @@
+import "reflect-metadata";
+import "dotenv/config";
+import { NestFactory } from "@nestjs/core";
+import { ValidationPipe } from "@nestjs/common";
+import { DocumentBuilder, SwaggerModule } from "@nestjs/swagger";
+import { AppModule } from "./app.module";
+import { ensurePaymentSchema } from "./config/ensure-schema";
+
+async function bootstrap() {
+  // The edr_payment database/schema must exist before TypeORM boots (migrationsRun: true).
+  await ensurePaymentSchema();
+
+  // rawBody: true buffers the unparsed request body onto req.rawBody so webhook handlers
+  // (e.g. Waafi HMAC verification) can sign over the exact bytes the provider signed.
+  const app = await NestFactory.create(AppModule, { rawBody: true });
+
+  app.useGlobalPipes(
+    new ValidationPipe({
+      whitelist: true,
+      transform: true,
+      forbidUnknownValues: false,
+    }),
+  );
+
+  const config = new DocumentBuilder()
+    .setTitle("EDR Payment API")
+    .setDescription(
+      "Platform payment microservice: payment intents, provider integration, the single " +
+        "registered webhook per provider, and reliable (outbox) notification of the owning app. " +
+        "Internal endpoints (/payments/*) require the x-service-token header; /webhooks/* is the " +
+        "only public surface. See docs/payment-service/.",
+    )
+    .setVersion("1.0.0")
+    .addApiKey(
+      { type: "apiKey", name: "x-service-token", in: "header" },
+      "service-token",
+    )
+    .build();
+  SwaggerModule.setup(
+    "api-docs",
+    app,
+    SwaggerModule.createDocument(app, config),
+    {
+      customSiteTitle: "EDR Payment API",
+      swaggerOptions: { persistAuthorization: true },
+    },
+  );
+
+  const port = process.env.PORT ?? 3003;
+  await app.listen(port);
+  console.log(`🚀 EDR Payment API running on port ${port}`);
+  console.log(`📚 Swagger: http://localhost:${port}/api-docs`);
+}
+bootstrap();

apps/edr-payment-api/src/migrations/1781136000000-InitPaymentSchema.ts

@@ -0,0 +1,124 @@
+import { MigrationInterface, QueryRunner } from "typeorm";
+
+/**
+ * Initial edr_payment schema: payment_intent, payment_webhook_event, notification_outbox.
+ *
+ * Enum-valued columns are varchar on purpose (values mirror the @edr/types enums) so new
+ * providers/statuses never need an ALTER TYPE. uuid defaults use gen_random_uuid() (built into
+ * Postgres 13+; no extension required).
+ */
+export class InitPaymentSchema1781136000000 implements MigrationInterface {
+  name = "InitPaymentSchema1781136000000";
+
+  public async up(queryRunner: QueryRunner): Promise<void> {
+    // Defensive — bootstrap (ensure-schema) normally creates this before migrations run.
+    await queryRunner.query(`CREATE SCHEMA IF NOT EXISTS "edr_payment"`);
+
+    await queryRunner.query(`
+      CREATE TABLE "edr_payment"."payment_intent" (
+        "id"                     uuid        NOT NULL DEFAULT gen_random_uuid(),
+        "created_at"             timestamptz NOT NULL DEFAULT now(),
+        "updated_at"             timestamptz NOT NULL DEFAULT now(),
+        "deleted_at"             timestamptz,
+        "service"                varchar(16) NOT NULL,
+        "reference_type"         varchar(16) NOT NULL,
+        "reference_id"           varchar(64) NOT NULL,
+        "merchant_order_id"      varchar(64) NOT NULL,
+        "provider"               varchar(16) NOT NULL,
+        "provider_order_id"      varchar(128),
+        "provider_txn_id"        varchar(128),
+        "amount_minor"           integer     NOT NULL,
+        "confirmed_amount_minor" integer,
+        "currency"               varchar(8)  NOT NULL,
+        "status"                 varchar(24) NOT NULL DEFAULT 'REQUIRES_ACTION',
+        "client_action"          jsonb,
+        "failure_code"           varchar(64),
+        "failure_message"        text,
+        "idempotency_key"        varchar(128),
+        "expires_at"             timestamptz,
+        "paid_at"                timestamptz,
+        "raw_initiation"         jsonb,
+        CONSTRAINT "pk_payment_intent" PRIMARY KEY ("id"),
+        CONSTRAINT "uq_payment_intent_merchant_order_id" UNIQUE ("merchant_order_id")
+      )
+    `);
+    // One ACTIVE intent per domain order; terminal-failed attempts remain as audit rows.
+    await queryRunner.query(`
+      CREATE UNIQUE INDEX "uq_payment_intent_active_reference"
+        ON "edr_payment"."payment_intent" ("service", "reference_type", "reference_id")
+        WHERE status NOT IN ('FAILED','CANCELLED') AND deleted_at IS NULL
+    `);
+    await queryRunner.query(`
+      CREATE INDEX "idx_payment_intent_provider_txn"
+        ON "edr_payment"."payment_intent" ("provider_txn_id")
+    `);
+    await queryRunner.query(`
+      CREATE INDEX "idx_payment_intent_sweep"
+        ON "edr_payment"."payment_intent" ("status", "updated_at")
+    `);
+    await queryRunner.query(`
+      CREATE INDEX "idx_payment_intent_idempotency"
+        ON "edr_payment"."payment_intent" ("service", "idempotency_key")
+    `);
+
+    await queryRunner.query(`
+      CREATE TABLE "edr_payment"."payment_webhook_event" (
+        "id"                uuid         NOT NULL DEFAULT gen_random_uuid(),
+        "created_at"        timestamptz  NOT NULL DEFAULT now(),
+        "updated_at"        timestamptz  NOT NULL DEFAULT now(),
+        "deleted_at"        timestamptz,
+        "provider"          varchar(16)  NOT NULL,
+        "external_event_id" varchar(191) NOT NULL,
+        "merchant_order_id" varchar(64),
+        "provider_txn_id"   varchar(128),
+        "signature_valid"   boolean      NOT NULL DEFAULT false,
+        "status"            varchar(64),
+        "payload"           jsonb        NOT NULL,
+        "received_at"       timestamptz  NOT NULL DEFAULT now(),
+        "processed_at"      timestamptz,
+        "processing_error"  text,
+        CONSTRAINT "pk_payment_webhook_event" PRIMARY KEY ("id")
+      )
+    `);
+    // The webhook dedupe key: duplicate provider deliveries hit this and short-circuit.
+    await queryRunner.query(`
+      CREATE UNIQUE INDEX "uq_payment_webhook_event_external"
+        ON "edr_payment"."payment_webhook_event" ("provider", "external_event_id")
+    `);
+
+    await queryRunner.query(`
+      CREATE TABLE "edr_payment"."notification_outbox" (
+        "id"             uuid        NOT NULL DEFAULT gen_random_uuid(),
+        "created_at"     timestamptz NOT NULL DEFAULT now(),
+        "updated_at"     timestamptz NOT NULL DEFAULT now(),
+        "deleted_at"     timestamptz,
+        "event_type"     varchar(32) NOT NULL,
+        "service"        varchar(16) NOT NULL,
+        "intent_id"      uuid        NOT NULL,
+        "reference_type" varchar(16) NOT NULL,
+        "reference_id"   varchar(64) NOT NULL,
+        "payload"        jsonb       NOT NULL,
+        "status"         varchar(16) NOT NULL DEFAULT 'PENDING',
+        "attempts"       integer     NOT NULL DEFAULT 0,
+        "next_retry_at"  timestamptz,
+        "last_error"     text,
+        "sent_at"        timestamptz,
+        CONSTRAINT "pk_notification_outbox" PRIMARY KEY ("id")
+      )
+    `);
+    await queryRunner.query(`
+      CREATE INDEX "idx_notification_outbox_relay"
+        ON "edr_payment"."notification_outbox" ("status", "next_retry_at")
+    `);
+    await queryRunner.query(`
+      CREATE INDEX "idx_notification_outbox_intent"
+        ON "edr_payment"."notification_outbox" ("intent_id")
+    `);
+  }
+
+  public async down(queryRunner: QueryRunner): Promise<void> {
+    await queryRunner.query(`DROP TABLE "edr_payment"."notification_outbox"`);
+    await queryRunner.query(`DROP TABLE "edr_payment"."payment_webhook_event"`);
+    await queryRunner.query(`DROP TABLE "edr_payment"."payment_intent"`);
+  }
+}

apps/edr-payment-api/src/modules/health/health.controller.ts

@@ -0,0 +1,16 @@
+import { Controller, Get } from "@nestjs/common";
+import { ApiOperation, ApiTags } from "@nestjs/swagger";
+
+@ApiTags("Health")
+@Controller("health")
+export class HealthController {
+  @Get()
+  @ApiOperation({ summary: "Liveness probe" })
+  check() {
+    return {
+      status: "ok",
+      service: "edr-payment-api",
+      timestamp: new Date().toISOString(),
+    };
+  }
+}

apps/edr-payment-api/src/modules/health/health.module.ts

@@ -0,0 +1,7 @@
+import { Module } from "@nestjs/common";
+import { HealthController } from "./health.controller";
+
+@Module({
+  controllers: [HealthController],
+})
+export class HealthModule {}

apps/edr-payment-api/src/modules/intents/dto/initiate-payment.dto.ts

@@ -0,0 +1,119 @@
+import {
+  IsEnum,
+  IsIn,
+  IsInt,
+  IsOptional,
+  IsPositive,
+  IsString,
+  Length,
+  MaxLength,
+} from "class-validator";
+import { ApiProperty, ApiPropertyOptional } from "@nestjs/swagger";
+import {
+  InitiatePaymentRequest,
+  PaymentPlatform,
+  PaymentReferenceType,
+  PaymentService,
+  ProviderMethod,
+} from "@edr/types";
+
+/** Wire shape is the shared `InitiatePaymentRequest` contract from @edr/types. */
+export class InitiatePaymentRequestDto implements InitiatePaymentRequest {
+  @ApiProperty({ enum: PaymentService })
+  @IsEnum(PaymentService)
+  service!: PaymentService;
+
+  @ApiProperty({ enum: PaymentReferenceType })
+  @IsEnum(PaymentReferenceType)
+  referenceType!: PaymentReferenceType;
+
+  @ApiProperty({
+    description:
+      "Domain order id (booking/shipment id) — already validated by the calling app",
+  })
+  @IsString()
+  @Length(1, 64)
+  referenceId!: string;
+
+  @ApiPropertyOptional({
+    description:
+      "Human-readable order ref shown on provider pages; defaults to referenceId",
+  })
+  @IsOptional()
+  @IsString()
+  @MaxLength(64)
+  orderRef?: string;
+
+  @ApiProperty({
+    description:
+      "Authoritative amount in minor units, computed server-side by the app",
+  })
+  @IsInt()
+  @IsPositive()
+  amountMinor!: number;
+
+  @ApiProperty({ example: "ETB" })
+  @IsString()
+  @Length(3, 8)
+  currency!: string;
+
+  @ApiProperty({ enum: ProviderMethod })
+  @IsEnum(ProviderMethod)
+  provider!: ProviderMethod;
+
+  @ApiPropertyOptional({ enum: ["web", "mobile"] })
+  @IsOptional()
+  @IsIn(["web", "mobile"])
+  platform?: PaymentPlatform;
+
+  @ApiPropertyOptional({
+    description:
+      "Payer wallet MSISDN for providers that pre-fill it (e.g. Waafi MWALLET_ACCOUNT)",
+  })
+  @IsOptional()
+  @IsString()
+  @MaxLength(32)
+  payerAccount?: string;
+
+  @ApiPropertyOptional({
+    description:
+      "Per-transaction browser return URL on success — each calling app passes its own UI " +
+      "(passenger portal vs freight portal). UX only; never confirms payment. Falls back to " +
+      "the provider config when omitted.",
+  })
+  @IsOptional()
+  @IsString()
+  @MaxLength(2048)
+  returnUrl?: string;
+
+  @ApiPropertyOptional({
+    description: "Failure/cancel counterpart of returnUrl",
+  })
+  @IsOptional()
+  @IsString()
+  @MaxLength(2048)
+  failureUrl?: string;
+
+  @ApiPropertyOptional({
+    description: "Caller key to dedupe retried initiations",
+  })
+  @IsOptional()
+  @IsString()
+  @MaxLength(128)
+  idempotencyKey?: string;
+}
+
+export class IntentReferenceQueryDto {
+  @ApiProperty({ enum: PaymentService })
+  @IsEnum(PaymentService)
+  service!: PaymentService;
+
+  @ApiProperty({ enum: PaymentReferenceType })
+  @IsEnum(PaymentReferenceType)
+  referenceType!: PaymentReferenceType;
+
+  @ApiProperty()
+  @IsString()
+  @Length(1, 64)
+  referenceId!: string;
+}

apps/edr-payment-api/src/modules/intents/entities/payment-intent.entity.ts

@@ -0,0 +1,135 @@
+import { Column, Entity, Index } from "typeorm";
+import { BaseEntity } from "@edr/api-common";
+import {
+  ClientAction,
+  PaymentReferenceType,
+  PaymentService,
+  ProviderMethod,
+  ProviderPaymentStatus,
+} from "@edr/types";
+
+/**
+ * One payment attempt for one domain order — the platform-wide source of truth for payment
+ * state. `reference_id` is a soft reference into the owning app's schema (never a FK; see
+ * docs/payment-service/architecture.md §5).
+ *
+ * Enum-valued columns are stored as varchar (values mirror the shared @edr/types enums) so
+ * adding a provider/status never needs an ALTER TYPE migration.
+ */
+@Entity({ name: "payment_intent" })
+// One ACTIVE intent per domain order; FAILED/CANCELLED attempts may accumulate as audit rows.
+@Index(
+  "uq_payment_intent_active_reference",
+  ["service", "referenceType", "referenceId"],
+  {
+    unique: true,
+    where: `status NOT IN ('FAILED','CANCELLED') AND deleted_at IS NULL`,
+  },
+)
+@Index("idx_payment_intent_sweep", ["status", "updatedAt"])
+@Index("idx_payment_intent_idempotency", ["service", "idempotencyKey"])
+export class PaymentIntent extends BaseEntity {
+  /** Owning domain app — routing discriminator for notifications. */
+  @Column({ name: "service", type: "varchar", length: 16 })
+  service!: PaymentService;
+
+  @Column({ name: "reference_type", type: "varchar", length: 16 })
+  referenceType!: PaymentReferenceType;
+
+  /** Domain order id (booking/shipment). Soft reference — no cross-schema FK. */
+  @Column({ name: "reference_id", type: "varchar", length: 64 })
+  referenceId!: string;
+
+  /** Provider-facing reference, prefixed PSG-/FRT- so webhooks route before a DB lookup. */
+  @Column({
+    name: "merchant_order_id",
+    type: "varchar",
+    length: 64,
+    unique: true,
+  })
+  merchantOrderId!: string;
+
+  @Column({ name: "provider", type: "varchar", length: 16 })
+  provider!: ProviderMethod;
+
+  /** Provider-side order/session id (prepay id, HPP orderId, …). */
+  @Column({
+    name: "provider_order_id",
+    type: "varchar",
+    length: 128,
+    nullable: true,
+  })
+  providerOrderId?: string | null;
+
+  /** Final provider transaction id, set on terminal success. */
+  @Index("idx_payment_intent_provider_txn")
+  @Column({
+    name: "provider_txn_id",
+    type: "varchar",
+    length: 128,
+    nullable: true,
+  })
+  providerTxnId?: string | null;
+
+  /** App-asserted authoritative amount in minor units. */
+  @Column({ name: "amount_minor", type: "integer" })
+  amountMinor!: number;
+
+  /** Provider-reported amount; reconciled against amount_minor (e.g. Waafi truncates decimals). */
+  @Column({ name: "confirmed_amount_minor", type: "integer", nullable: true })
+  confirmedAmountMinor?: number | null;
+
+  @Column({ name: "currency", type: "varchar", length: 8 })
+  currency!: string;
+
+  /** State machine: REQUIRES_ACTION → PROCESSING → SUCCEEDED | FAILED | CANCELLED (absorbing). */
+  @Column({
+    name: "status",
+    type: "varchar",
+    length: 24,
+    default: ProviderPaymentStatus.REQUIRES_ACTION,
+  })
+  status!: ProviderPaymentStatus;
+
+  /** Redirect/launch payload returned to the app for the user to complete payment. */
+  @Column({ name: "client_action", type: "jsonb", nullable: true })
+  clientAction?: ClientAction | null;
+
+  @Column({ name: "failure_code", type: "varchar", length: 64, nullable: true })
+  failureCode?: string | null;
+
+  @Column({ name: "failure_message", type: "text", nullable: true })
+  failureMessage?: string | null;
+
+  /** Caller-supplied initiate dedupe key (in addition to the per-reference upsert). */
+  @Column({
+    name: "idempotency_key",
+    type: "varchar",
+    length: 128,
+    nullable: true,
+  })
+  idempotencyKey?: string | null;
+
+  @Column({ name: "expires_at", type: "timestamptz", nullable: true })
+  expiresAt?: Date | null;
+
+  @Column({ name: "paid_at", type: "timestamptz", nullable: true })
+  paidAt?: Date | null;
+
+  /** Audit copy of the provider initiation request/response (secrets redacted upstream). */
+  @Column({ name: "raw_initiation", type: "jsonb", nullable: true })
+  rawInitiation?: Record<string, unknown> | null;
+}
+
+/** Statuses that keep the per-reference unique index "active" (block a new intent). */
+export const ACTIVE_INTENT_STATUSES = [
+  ProviderPaymentStatus.REQUIRES_ACTION,
+  ProviderPaymentStatus.PROCESSING,
+  ProviderPaymentStatus.SUCCEEDED,
+] as const;
+
+export const TERMINAL_INTENT_STATUSES = [
+  ProviderPaymentStatus.SUCCEEDED,
+  ProviderPaymentStatus.FAILED,
+  ProviderPaymentStatus.CANCELLED,
+] as const;

apps/edr-payment-api/src/modules/intents/intents.controller.ts

@@ -0,0 +1,69 @@
+import {
+  Body,
+  Controller,
+  Get,
+  Param,
+  ParseUUIDPipe,
+  Post,
+  Query,
+  UseGuards,
+} from "@nestjs/common";
+import { ApiOperation, ApiTags } from "@nestjs/swagger";
+import { PaymentIntentSnapshot } from "@edr/types";
+import { ServiceAuthGuard } from "../../common/guards/service-auth.guard";
+import {
+  InitiatePaymentRequestDto,
+  IntentReferenceQueryDto,
+} from "./dto/initiate-payment.dto";
+import { IntentsService } from "./intents.service";
+
+/**
+ * Internal surface — called only by the domain apps (service-authenticated), never by
+ * browsers. Domain validation ("is this booking payable", authoritative amount) has already
+ * happened in the calling app.
+ */
+@ApiTags("Payments (internal)")
+@UseGuards(ServiceAuthGuard)
+@Controller("payments")
+export class IntentsController {
+  constructor(private readonly intentsService: IntentsService) {}
+
+  @Post("initiate")
+  @ApiOperation({
+    summary:
+      "Create (or idempotently reuse) a payment intent and open a provider session",
+    description:
+      "One active intent per (service, referenceType, referenceId). Re-initiating a non-terminal intent returns the existing clientAction.",
+  })
+  async initiate(
+    @Body() dto: InitiatePaymentRequestDto,
+  ): Promise<PaymentIntentSnapshot> {
+    return this.intentsService.initiate(dto);
+  }
+
+  @Get("intents/:id")
+  @ApiOperation({
+    summary: "Intent status by id (pull/reconcile)",
+    description:
+      "Stale non-terminal intents trigger a provider status query before returning.",
+  })
+  async getIntent(
+    @Param("id", ParseUUIDPipe) id: string,
+  ): Promise<PaymentIntentSnapshot> {
+    return this.intentsService.getIntent(id);
+  }
+
+  @Get("intents")
+  @ApiOperation({
+    summary: "Active intent status by domain reference (pull/reconcile)",
+  })
+  async getIntentByReference(
+    @Query() query: IntentReferenceQueryDto,
+  ): Promise<PaymentIntentSnapshot> {
+    return this.intentsService.getIntentByReference(
+      query.service,
+      query.referenceType,
+      query.referenceId,
+    );
+  }
+}

apps/edr-payment-api/src/modules/intents/intents.module.ts

@@ -0,0 +1,21 @@
+import { Module } from "@nestjs/common";
+import { TypeOrmModule } from "@nestjs/typeorm";
+import { ProvidersModule } from "../providers/providers.module";
+import { NotificationOutbox } from "../outbox/entities/notification-outbox.entity";
+import { PaymentIntent } from "./entities/payment-intent.entity";
+import { IntentsController } from "./intents.controller";
+import { IntentsRepository } from "./intents.repository";
+import { IntentsService } from "./intents.service";
+
+@Module({
+  // NotificationOutbox is registered here because terminal transitions insert outbox rows
+  // inside the intent-finalizing transaction (transactional outbox).
+  imports: [
+    TypeOrmModule.forFeature([PaymentIntent, NotificationOutbox]),
+    ProvidersModule,
+  ],
+  controllers: [IntentsController],
+  providers: [IntentsService, IntentsRepository],
+  exports: [IntentsService, IntentsRepository],
+})
+export class IntentsModule {}

apps/edr-payment-api/src/modules/intents/intents.repository.ts

@@ -0,0 +1,73 @@
+import { Injectable } from "@nestjs/common";
+import { InjectRepository } from "@nestjs/typeorm";
+import { In, LessThan, Not, Repository } from "typeorm";
+import { BaseRepository } from "@edr/api-common";
+import {
+  PaymentReferenceType,
+  PaymentService,
+  ProviderPaymentStatus,
+} from "@edr/types";
+import { PaymentIntent } from "./entities/payment-intent.entity";
+
+@Injectable()
+export class IntentsRepository extends BaseRepository<PaymentIntent> {
+  constructor(
+    @InjectRepository(PaymentIntent)
+    repository: Repository<PaymentIntent>,
+  ) {
+    super(repository);
+  }
+
+  /** The single non-FAILED/CANCELLED intent for a domain order (matches the partial unique index). */
+  async findActiveByReference(
+    service: PaymentService,
+    referenceType: PaymentReferenceType,
+    referenceId: string,
+  ): Promise<PaymentIntent | null> {
+    return this.repository.findOne({
+      where: {
+        service,
+        referenceType,
+        referenceId,
+        status: Not(
+          In([ProviderPaymentStatus.FAILED, ProviderPaymentStatus.CANCELLED]),
+        ),
+      },
+      order: { createdAt: "DESC" },
+    });
+  }
+
+  async findByMerchantOrderId(
+    merchantOrderId: string,
+  ): Promise<PaymentIntent | null> {
+    return this.repository.findOne({ where: { merchantOrderId } });
+  }
+
+  async findByIdempotencyKey(
+    service: PaymentService,
+    idempotencyKey: string,
+  ): Promise<PaymentIntent | null> {
+    return this.repository.findOne({
+      where: { service, idempotencyKey },
+      order: { createdAt: "DESC" },
+    });
+  }
+
+  /** Non-terminal intents untouched since `updatedBefore` — input for the reconciliation sweep. */
+  async findStale(
+    updatedBefore: Date,
+    limit: number,
+  ): Promise<PaymentIntent[]> {
+    return this.repository.find({
+      where: {
+        status: In([
+          ProviderPaymentStatus.REQUIRES_ACTION,
+          ProviderPaymentStatus.PROCESSING,
+        ]),
+        updatedAt: LessThan(updatedBefore),
+      },
+      order: { updatedAt: "ASC" },
+      take: limit,
+    });
+  }
+}

apps/edr-payment-api/src/modules/intents/intents.service.ts

@@ -0,0 +1,343 @@
+import {
+  BadRequestException,
+  Inject,
+  Injectable,
+  Logger,
+  NotFoundException,
+} from "@nestjs/common";
+import { DataSource, QueryFailedError } from "typeorm";
+import { createMerchantOrderId } from "@edr/payment-providers";
+import {
+  InitiatePaymentRequest,
+  PaymentIntentSnapshot,
+  PaymentReferenceType,
+  PaymentService,
+  ProviderPaymentStatus,
+  ProviderStatus,
+} from "@edr/types";
+import {
+  PAYMENT_PROVIDER_MAP,
+  PaymentProviderMap,
+} from "../providers/providers.module";
+import { NotificationOutbox } from "../outbox/entities/notification-outbox.entity";
+import { buildOutboxRow } from "../outbox/payment-event.factory";
+import {
+  PaymentIntent,
+  TERMINAL_INTENT_STATUSES,
+} from "./entities/payment-intent.entity";
+import { IntentsRepository } from "./intents.repository";
+
+const PG_UNIQUE_VIOLATION = "23505";
+/** Don't hit the provider again if the intent was refreshed this recently. */
+const REFRESH_MIN_AGE_MS = 5_000;
+
+/** Result of a provider signal (webhook or status query) applied to the state machine. */
+export interface ProviderResultInput {
+  status: ProviderPaymentStatus;
+  providerTxnId?: string;
+  paidAt?: Date;
+  confirmedAmountMinor?: number;
+  failureCode?: string;
+  failureMessage?: string;
+}
+
+@Injectable()
+export class IntentsService {
+  private readonly logger = new Logger(IntentsService.name);
+
+  constructor(
+    private readonly intentsRepository: IntentsRepository,
+    // DataSource is used only for the finalize transaction (intent update + outbox insert
+    // must commit atomically); routine access still goes through the custom repository.
+    private readonly dataSource: DataSource,
+    @Inject(PAYMENT_PROVIDER_MAP)
+    private readonly providers: PaymentProviderMap,
+  ) {}
+
+  /* ------------------------------------------------------------------ initiate */
+
+  async initiate(
+    request: InitiatePaymentRequest,
+  ): Promise<PaymentIntentSnapshot> {
+
+    if (request.idempotencyKey) {
+      const byKey = await this.intentsRepository.findByIdempotencyKey(
+        request.service,
+        request.idempotencyKey,
+      );
+      if (byKey) return this.toSnapshot(byKey);
+    }
+
+    const existing = await this.intentsRepository.findActiveByReference(
+      request.service,
+      request.referenceType,
+      request.referenceId,
+    );
+    if (existing) {
+      const reusable = await this.reuseOrRetire(existing);
+      if (reusable) return this.toSnapshot(reusable);
+    }
+
+    const provider = this.providers.get(request.provider);
+    if (!provider) {
+      throw new BadRequestException(
+        `Unsupported payment provider: ${request.provider}`,
+      );
+    }
+
+    const merchantOrderId = createMerchantOrderId();
+    const result = await provider.initiate({
+      merchantOrderId,
+      orderRef: request.orderRef ?? request.referenceId,
+      amountMinor: request.amountMinor,
+      currency: request.currency,
+      platform: request.platform,
+      payerAccount: request.payerAccount,
+      returnUrl: request.returnUrl,
+      redirectUrl: request.returnUrl,
+      failureUrl: request.failureUrl,
+    });
+
+    try {
+      const intent = await this.intentsRepository.create({
+        service: request.service,
+        referenceType: request.referenceType,
+        referenceId: request.referenceId,
+        merchantOrderId,
+        provider: request.provider,
+        providerOrderId: result.providerOrderId,
+        amountMinor: request.amountMinor,
+        currency: request.currency,
+        status: ProviderPaymentStatus.REQUIRES_ACTION,
+        clientAction: result.clientAction,
+        idempotencyKey: request.idempotencyKey ?? null,
+        expiresAt: result.expiresAt,
+        rawInitiation: result.rawInitiation,
+      });
+      this.logger.log(
+        `intent ${intent.id} created: ${request.service}/${request.referenceType}/${request.referenceId} via ${request.provider} (${merchantOrderId})`,
+      );
+      return this.toSnapshot(intent);
+    } catch (err) {
+      if (
+        err instanceof QueryFailedError &&
+        (err.driverError as { code?: string })?.code === PG_UNIQUE_VIOLATION
+      ) {
+        const winner = await this.intentsRepository.findActiveByReference(
+          request.service,
+          request.referenceType,
+          request.referenceId,
+        );
+        if (winner) return this.toSnapshot(winner);
+      }
+      throw err;
+    }
+  }
+
+  /**
+   * Decide whether an existing active intent can be returned as-is. An expired
+   * REQUIRES_ACTION intent is retired (CANCELLED, no notification — nothing was paid)
+   * so a fresh provider session can be opened.
+   */
+  private async reuseOrRetire(
+    intent: PaymentIntent,
+  ): Promise<PaymentIntent | null> {
+    const expired =
+      intent.status === ProviderPaymentStatus.REQUIRES_ACTION &&
+      intent.expiresAt != null &&
+      intent.expiresAt.getTime() < Date.now();
+    if (!expired) return intent;
+
+    await this.intentsRepository.update(intent.id, {
+      status: ProviderPaymentStatus.CANCELLED,
+      failureCode: "EXPIRED",
+      failureMessage: "Provider session expired before the payer acted",
+    });
+    return null;
+  }
+
+  /* ------------------------------------------------------------------ lookups */
+
+  async getIntent(id: string): Promise<PaymentIntentSnapshot> {
+    const intent = await this.intentsRepository.findById(id);
+    if (!intent) throw new NotFoundException("PaymentIntent not found");
+    return this.toSnapshot(await this.refreshIfStale(intent));
+  }
+
+  async getIntentByReference(
+    service: PaymentService,
+    referenceType: PaymentReferenceType,
+    referenceId: string,
+  ): Promise<PaymentIntentSnapshot> {
+    const intent = await this.intentsRepository.findActiveByReference(
+      service,
+      referenceType,
+      referenceId,
+    );
+    if (!intent) throw new NotFoundException("PaymentIntent not found");
+    return this.toSnapshot(await this.refreshIfStale(intent));
+  }
+
+  /**
+   * Pull-side reconciliation: when a polled intent is non-terminal and stale, ask the
+   * provider for the truth and run the answer through the state machine. The browser
+   * redirect never confirms payment — this query (or a webhook) does.
+   */
+  private async refreshIfStale(intent: PaymentIntent): Promise<PaymentIntent> {
+    const refreshable =
+      intent.status === ProviderPaymentStatus.REQUIRES_ACTION ||
+      intent.status === ProviderPaymentStatus.PROCESSING;
+    const stale = intent.updatedAt.getTime() < Date.now() - REFRESH_MIN_AGE_MS;
+    const provider = this.providers.get(intent.provider);
+    if (!refreshable || !stale || !provider) return intent;
+
+    try {
+      const status = await provider.queryStatus(intent.merchantOrderId);
+      await this.applyProviderResult(
+        intent.id,
+        this.fromProviderStatus(status),
+      );
+      return (await this.intentsRepository.findById(intent.id)) ?? intent;
+    } catch (err) {
+      const message = err instanceof Error ? err.message : String(err);
+      this.logger.warn(
+        `queryStatus failed for intent ${intent.id}: ${message}; returning cached`,
+      );
+      return intent;
+    }
+  }
+
+  fromProviderStatus(status: ProviderStatus): ProviderResultInput {
+    return {
+      status: status.status,
+      providerTxnId: status.providerTxnId,
+      failureCode: status.failureCode,
+      failureMessage: status.failureMessage,
+    };
+  }
+
+  /* ------------------------------------------------------------------ state machine */
+
+  /**
+   * Advance the intent state machine with a verified provider signal. Terminal states are
+   * absorbing; a terminal transition writes the notification_outbox row IN THE SAME
+   * TRANSACTION as the intent update (transactional outbox — architecture.md §8).
+   */
+  async applyProviderResult(
+    intentId: string,
+    result: ProviderResultInput,
+  ): Promise<{ alreadyTerminal: boolean }> {
+    return this.dataSource.transaction(async (manager) => {
+      const intent = await manager
+        .getRepository(PaymentIntent)
+        .createQueryBuilder("intent")
+        .setLock("pessimistic_write")
+        .where("intent.id = :intentId", { intentId })
+        .getOne();
+      if (!intent) throw new NotFoundException("PaymentIntent not found");
+
+      if (
+        (TERMINAL_INTENT_STATUSES as readonly ProviderPaymentStatus[]).includes(
+          intent.status,
+        )
+      ) {
+        return { alreadyTerminal: true };
+      }
+
+      if (result.status === ProviderPaymentStatus.SUCCEEDED) {
+        const paidAt = result.paidAt ?? new Date();
+        intent.status = ProviderPaymentStatus.SUCCEEDED;
+        intent.providerTxnId = result.providerTxnId ?? intent.providerTxnId;
+        intent.paidAt = paidAt;
+        intent.confirmedAmountMinor =
+          result.confirmedAmountMinor ?? intent.confirmedAmountMinor;
+        intent.failureCode = null;
+        intent.failureMessage = null;
+        await manager.save(intent);
+        await manager.getRepository(NotificationOutbox).save(
+          buildOutboxRow(intent, {
+            eventType: "payment.succeeded",
+            providerTxnId: intent.providerTxnId ?? undefined,
+            paidAt,
+          }),
+        );
+        if (
+          result.confirmedAmountMinor != null &&
+          result.confirmedAmountMinor !== intent.amountMinor
+        ) {
+          this.logger.error(
+            `intent ${intent.id} amount mismatch: asserted=${intent.amountMinor} confirmed=${result.confirmedAmountMinor}`,
+          );
+        }
+        this.logger.log(
+          `intent ${intent.id} SUCCEEDED (txn=${intent.providerTxnId ?? "n/a"})`,
+        );
+        return { alreadyTerminal: false };
+      }
+
+      if (
+        result.status === ProviderPaymentStatus.FAILED ||
+        result.status === ProviderPaymentStatus.CANCELLED
+      ) {
+        intent.status = result.status;
+        intent.providerTxnId = result.providerTxnId ?? intent.providerTxnId;
+        intent.failureCode = result.failureCode ?? null;
+        intent.failureMessage = result.failureMessage ?? null;
+        await manager.save(intent);
+        await manager.getRepository(NotificationOutbox).save(
+          buildOutboxRow(intent, {
+            eventType: "payment.failed",
+            failureCode: result.failureCode,
+            failureMessage: result.failureMessage,
+          }),
+        );
+        this.logger.log(
+          `intent ${intent.id} ${result.status} (${result.failureCode ?? "n/a"})`,
+        );
+        return { alreadyTerminal: false };
+      }
+
+      // Non-terminal: REQUIRES_ACTION may move to PROCESSING; never the reverse.
+      if (
+        result.status === ProviderPaymentStatus.PROCESSING &&
+        intent.status === ProviderPaymentStatus.REQUIRES_ACTION
+      ) {
+        intent.status = ProviderPaymentStatus.PROCESSING;
+      }
+      intent.providerTxnId = result.providerTxnId ?? intent.providerTxnId;
+      await manager.save(intent);
+      return { alreadyTerminal: false };
+    });
+  }
+
+  /** Expire an abandoned intent (reconciliation sweep) — CANCELLED + payment.failed event. */
+  async expireIntent(intentId: string): Promise<void> {
+    await this.applyProviderResult(intentId, {
+      status: ProviderPaymentStatus.CANCELLED,
+      failureCode: "EXPIRED",
+      failureMessage: "Payment session expired before completion",
+    });
+  }
+
+  /* ------------------------------------------------------------------ mapping */
+
+  toSnapshot(intent: PaymentIntent): PaymentIntentSnapshot {
+    return {
+      intentId: intent.id,
+      service: intent.service,
+      referenceType: intent.referenceType,
+      referenceId: intent.referenceId,
+      merchantOrderId: intent.merchantOrderId,
+      provider: intent.provider,
+      status: intent.status,
+      amountMinor: intent.amountMinor,
+      currency: intent.currency,
+      clientAction: intent.clientAction ?? undefined,
+      providerTxnId: intent.providerTxnId ?? undefined,
+      paidAt: intent.paidAt?.toISOString(),
+      failureCode: intent.failureCode ?? undefined,
+      failureMessage: intent.failureMessage ?? undefined,
+      expiresAt: intent.expiresAt?.toISOString(),
+    };
+  }
+}

apps/edr-payment-api/src/modules/outbox/entities/notification-outbox.entity.ts

@@ -0,0 +1,55 @@
+import { Column, Entity, Index } from "typeorm";
+import { BaseEntity } from "@edr/api-common";
+import {
+  PaymentEvent,
+  PaymentEventType,
+  PaymentReferenceType,
+  PaymentService,
+} from "@edr/types";
+
+export type OutboxStatus = "PENDING" | "SENT" | "FAILED";
+
+/**
+ * Transactional outbox: a row is inserted in the SAME transaction that finalizes an intent,
+ * so "payment succeeded" and "a notification is owed" commit or roll back together. The relay
+ * drains PENDING rows and retries until acked (at-least-once delivery; consumers are idempotent).
+ */
+@Entity({ name: "notification_outbox" })
+@Index("idx_notification_outbox_relay", ["status", "nextRetryAt"])
+export class NotificationOutbox extends BaseEntity {
+  @Column({ name: "event_type", type: "varchar", length: 32 })
+  eventType!: PaymentEventType;
+
+  /** Routing discriminator — which app's mark-paid endpoint the relay delivers to. */
+  @Column({ name: "service", type: "varchar", length: 16 })
+  service!: PaymentService;
+
+  @Index("idx_notification_outbox_intent")
+  @Column({ name: "intent_id", type: "uuid" })
+  intentId!: string;
+
+  @Column({ name: "reference_type", type: "varchar", length: 16 })
+  referenceType!: PaymentReferenceType;
+
+  @Column({ name: "reference_id", type: "varchar", length: 64 })
+  referenceId!: string;
+
+  /** The full versioned event envelope delivered verbatim to the consumer. */
+  @Column({ name: "payload", type: "jsonb" })
+  payload!: PaymentEvent;
+
+  @Column({ name: "status", type: "varchar", length: 16, default: "PENDING" })
+  status!: OutboxStatus;
+
+  @Column({ name: "attempts", type: "integer", default: 0 })
+  attempts!: number;
+
+  @Column({ name: "next_retry_at", type: "timestamptz", nullable: true })
+  nextRetryAt?: Date | null;
+
+  @Column({ name: "last_error", type: "text", nullable: true })
+  lastError?: string | null;
+
+  @Column({ name: "sent_at", type: "timestamptz", nullable: true })
+  sentAt?: Date | null;
+}

apps/edr-payment-api/src/modules/outbox/outbox-relay.service.ts

@@ -0,0 +1,119 @@
+import {
+  Inject,
+  Injectable,
+  Logger,
+  OnModuleDestroy,
+  OnModuleInit,
+} from "@nestjs/common";
+import { ConfigService } from "@nestjs/config";
+import { SchedulerRegistry } from "@nestjs/schedule";
+import { NotificationOutbox } from "./entities/notification-outbox.entity";
+import { OutboxRepository } from "./outbox.repository";
+import {
+  PAYMENT_EVENT_PUBLISHER,
+  PaymentEventPublisher,
+} from "./publisher/payment-event-publisher";
+
+const RELAY_INTERVAL_NAME = "outbox-relay";
+/** Retry backoff: base doubles per attempt, capped. */
+const BACKOFF_BASE_MS = 10_000;
+const BACKOFF_CAP_MS = 10 * 60_000;
+
+/**
+ * Drains the transactional outbox: PENDING rows are published (HTTP now, RabbitMQ later),
+ * marked SENT on ack, retried with exponential backoff on failure, and flagged FAILED after
+ * OUTBOX_MAX_ATTEMPTS (an alertable condition — delivery is at-least-once, never dropped
+ * silently). A crash between commit and publish only delays delivery.
+ */
+@Injectable()
+export class OutboxRelayService implements OnModuleInit, OnModuleDestroy {
+  private readonly logger = new Logger(OutboxRelayService.name);
+  private readonly intervalMs: number;
+  private readonly maxAttempts: number;
+  private readonly batchSize: number;
+  private draining = false;
+
+  constructor(
+    config: ConfigService,
+    private readonly outboxRepository: OutboxRepository,
+    private readonly schedulerRegistry: SchedulerRegistry,
+    @Inject(PAYMENT_EVENT_PUBLISHER)
+    private readonly publisher: PaymentEventPublisher,
+  ) {
+    this.intervalMs = config.get<number>("notifier.relayIntervalMs") ?? 5_000;
+    this.maxAttempts = config.get<number>("notifier.maxAttempts") ?? 10;
+    this.batchSize = config.get<number>("notifier.relayBatchSize") ?? 20;
+  }
+
+  onModuleInit(): void {
+    const interval = setInterval(() => void this.drain(), this.intervalMs);
+    this.schedulerRegistry.addInterval(RELAY_INTERVAL_NAME, interval);
+  }
+
+  onModuleDestroy(): void {
+    if (this.schedulerRegistry.doesExist("interval", RELAY_INTERVAL_NAME)) {
+      this.schedulerRegistry.deleteInterval(RELAY_INTERVAL_NAME);
+    }
+  }
+
+  /** One relay pass; re-entrant ticks are skipped so slow deliveries don't overlap. */
+  async drain(): Promise<void> {
+    if (this.draining) return;
+    this.draining = true;
+    try {
+      const due = await this.outboxRepository.findDue(this.batchSize);
+      for (const row of due) {
+        await this.deliver(row);
+      }
+    } catch (err) {
+      this.logger.error(
+        `relay pass failed: ${err instanceof Error ? err.message : String(err)}`,
+      );
+    } finally {
+      this.draining = false;
+    }
+  }
+
+  private async deliver(row: NotificationOutbox): Promise<void> {
+    try {
+      await this.publisher.publish(row.payload);
+      await this.outboxRepository.markSent(row.id);
+    } catch (err) {
+      const message = this.describeError(err);
+      const attempts = row.attempts + 1;
+      const exhausted = attempts >= this.maxAttempts;
+      const backoffMs = Math.min(
+        BACKOFF_BASE_MS * 2 ** row.attempts,
+        BACKOFF_CAP_MS,
+      );
+      await this.outboxRepository.markAttemptFailed(
+        row,
+        message,
+        exhausted ? null : new Date(Date.now() + backoffMs),
+        exhausted,
+      );
+      if (exhausted) {
+        // ALERT: a paid order may not be confirmed in the owning app — needs operator action.
+        this.logger.error(
+          `outbox ${row.id} (${row.eventType} intent=${row.intentId}) FAILED after ${attempts} attempts: ${message}`,
+        );
+      } else {
+        this.logger.warn(
+          `outbox ${row.id} delivery attempt ${attempts} failed (retry in ${backoffMs}ms): ${message}`,
+        );
+      }
+    }
+  }
+
+  /** Connection failures surface as AggregateError with an empty message — dig out the code. */
+  private describeError(err: unknown): string {
+    if (err instanceof Error) {
+      if (err.message) return err.message;
+      const code = (err as { code?: string }).code;
+      if (code) return code;
+      const inner = (err as { errors?: unknown[] }).errors?.[0];
+      if (inner instanceof Error && inner.message) return inner.message;
+    }
+    return String(err);
+  }
+}

apps/edr-payment-api/src/modules/outbox/outbox.module.ts

@@ -0,0 +1,20 @@
+import { Module } from "@nestjs/common";
+import { HttpModule } from "@nestjs/axios";
+import { TypeOrmModule } from "@nestjs/typeorm";
+import { NotificationOutbox } from "./entities/notification-outbox.entity";
+import { OutboxRelayService } from "./outbox-relay.service";
+import { OutboxRepository } from "./outbox.repository";
+import { HttpPaymentEventPublisher } from "./publisher/http-payment-event-publisher";
+import { PAYMENT_EVENT_PUBLISHER } from "./publisher/payment-event-publisher";
+
+@Module({
+  imports: [TypeOrmModule.forFeature([NotificationOutbox]), HttpModule],
+  providers: [
+    OutboxRepository,
+    OutboxRelayService,
+    // Swap to RabbitPaymentEventPublisher here when the broker lands — nothing else changes.
+    { provide: PAYMENT_EVENT_PUBLISHER, useClass: HttpPaymentEventPublisher },
+  ],
+  exports: [OutboxRepository],
+})
+export class OutboxModule {}

apps/edr-payment-api/src/modules/outbox/outbox.repository.ts

@@ -0,0 +1,58 @@
+import { Injectable } from "@nestjs/common";
+import { InjectRepository } from "@nestjs/typeorm";
+import { Repository } from "typeorm";
+import { BaseRepository } from "@edr/api-common";
+import { NotificationOutbox } from "./entities/notification-outbox.entity";
+
+@Injectable()
+export class OutboxRepository extends BaseRepository<NotificationOutbox> {
+  constructor(
+    @InjectRepository(NotificationOutbox)
+    repository: Repository<NotificationOutbox>,
+  ) {
+    super(repository);
+  }
+
+  /**
+   * PENDING rows whose retry time has come, oldest first. The relay runs as a single
+   * non-overlapping loop per instance; with multiple service instances this should move to a
+   * SELECT … FOR UPDATE SKIP LOCKED claim.
+   */
+  async findDue(limit: number): Promise<NotificationOutbox[]> {
+    return this.repository
+      .createQueryBuilder("outbox")
+      .where(`outbox.status = 'PENDING'`)
+      .andWhere(
+        "(outbox.next_retry_at IS NULL OR outbox.next_retry_at <= now())",
+      )
+      .orderBy("outbox.created_at", "ASC")
+      .take(limit)
+      .getMany();
+  }
+
+  async markSent(id: string): Promise<void> {
+    await this.update(id, {
+      status: "SENT",
+      sentAt: new Date(),
+      lastError: null,
+    });
+  }
+
+  async markAttemptFailed(
+    row: NotificationOutbox,
+    error: string,
+    nextRetryAt: Date | null,
+    exhausted: boolean,
+  ): Promise<void> {
+    await this.update(row.id, {
+      attempts: row.attempts + 1,
+      lastError: error,
+      nextRetryAt,
+      status: exhausted ? "FAILED" : "PENDING",
+    });
+  }
+
+  async countBacklog(): Promise<number> {
+    return this.repository.count({ where: { status: "PENDING" } });
+  }
+}

apps/edr-payment-api/src/modules/outbox/payment-event.factory.ts

@@ -0,0 +1,66 @@
+import { randomUUID } from "node:crypto";
+import {
+  PaymentEvent,
+  PaymentFailedEvent,
+  PaymentSucceededEvent,
+} from "@edr/types";
+import { PaymentIntent } from "../intents/entities/payment-intent.entity";
+import { NotificationOutbox } from "./entities/notification-outbox.entity";
+
+/**
+ * Build a ready-to-insert outbox row for a terminal intent. Pure (no DI) so the intents
+ * state machine can insert it inside its own DB transaction without a module cycle.
+ * The row id is generated here because the event envelope embeds it as `eventId`.
+ */
+export function buildOutboxRow(
+  intent: PaymentIntent,
+  terminal:
+    | { eventType: "payment.succeeded"; providerTxnId?: string; paidAt: Date }
+    | {
+        eventType: "payment.failed";
+        failureCode?: string;
+        failureMessage?: string;
+      },
+): Partial<NotificationOutbox> {
+  const id = randomUUID();
+  const base = {
+    version: 1 as const,
+    eventId: id,
+    occurredAt: new Date().toISOString(),
+    service: intent.service,
+    intentId: intent.id,
+    referenceType: intent.referenceType,
+    referenceId: intent.referenceId,
+    merchantOrderId: intent.merchantOrderId,
+    provider: intent.provider,
+    amountMinor: intent.amountMinor,
+    currency: intent.currency,
+  };
+
+  const event: PaymentEvent =
+    terminal.eventType === "payment.succeeded"
+      ? ({
+          ...base,
+          eventType: "payment.succeeded",
+          providerTxnId: terminal.providerTxnId,
+          paidAt: terminal.paidAt.toISOString(),
+        } satisfies PaymentSucceededEvent)
+      : ({
+          ...base,
+          eventType: "payment.failed",
+          failureCode: terminal.failureCode,
+          failureMessage: terminal.failureMessage,
+        } satisfies PaymentFailedEvent);
+
+  return {
+    id,
+    eventType: event.eventType,
+    service: intent.service,
+    intentId: intent.id,
+    referenceType: intent.referenceType,
+    referenceId: intent.referenceId,
+    payload: event,
+    status: "PENDING",
+    attempts: 0,
+  };
+}

apps/edr-payment-api/src/modules/outbox/publisher/http-payment-event-publisher.ts

@@ -0,0 +1,53 @@
+import { Injectable, Logger } from "@nestjs/common";
+import { ConfigService } from "@nestjs/config";
+import { HttpService } from "@nestjs/axios";
+import { firstValueFrom } from "rxjs";
+import { PaymentEvent, PaymentService } from "@edr/types";
+import { PaymentEventPublisher } from "./payment-event-publisher";
+
+/**
+ * Delivers events by POSTing to the owning app's idempotent mark-paid endpoint, routed by
+ * the `service` discriminator. Authenticated with the shared service token (the same secret
+ * the apps use to call /payments/initiate).
+ */
+@Injectable()
+export class HttpPaymentEventPublisher implements PaymentEventPublisher {
+  private readonly logger = new Logger(HttpPaymentEventPublisher.name);
+  private readonly routes: Record<PaymentService, string>;
+  private readonly timeoutMs: number;
+  private readonly serviceToken: string;
+
+  constructor(
+    config: ConfigService,
+    private readonly http: HttpService,
+  ) {
+    this.routes = {
+      [PaymentService.PASSENGER]:
+        config.get<string>("notifier.passengerUrl") ?? "",
+      [PaymentService.FREIGHT]: config.get<string>("notifier.freightUrl") ?? "",
+    };
+    this.timeoutMs = config.get<number>("notifier.httpTimeoutMs") ?? 10_000;
+    this.serviceToken = config.get<string>("app.serviceAuthToken") ?? "";
+  }
+
+  async publish(event: PaymentEvent): Promise<void> {
+    const url = this.routes[event.service];
+    if (!url) {
+      throw new Error(
+        `No mark-paid URL configured for service ${event.service}`,
+      );
+    }
+
+    const response = await firstValueFrom(
+      this.http.post(url, event, {
+        timeout: this.timeoutMs,
+        headers: this.serviceToken
+          ? { "x-service-token": this.serviceToken }
+          : {},
+      }),
+    );
+    this.logger.log(
+      `delivered ${event.eventType} (${event.eventId}) to ${event.service} — HTTP ${response.status}`,
+    );
+  }
+}

apps/edr-payment-api/src/modules/outbox/publisher/payment-event-publisher.ts

@@ -0,0 +1,13 @@
+import { PaymentEvent } from "@edr/types";
+
+/**
+ * Publisher port (architecture.md §12): how a payment event leaves this service.
+ * HTTP implementation now; a RabbitMQ implementation later is a DI swap only — the outbox
+ * and relay stay exactly as they are.
+ */
+export interface PaymentEventPublisher {
+  /** Deliver one event; throw on failure so the relay can retry with backoff. */
+  publish(event: PaymentEvent): Promise<void>;
+}
+
+export const PAYMENT_EVENT_PUBLISHER = Symbol("PAYMENT_EVENT_PUBLISHER");

apps/edr-payment-api/src/modules/providers/providers.module.ts

@@ -0,0 +1,46 @@
+import { Module } from "@nestjs/common";
+import { HttpModule } from "@nestjs/axios";
+import {
+  CardProvider,
+  CbeBirrProvider,
+  DMoneyProvider,
+  EBirrProvider,
+  PaymentProvider,
+  TelebirrProvider,
+  WaafiProvider,
+} from "@edr/payment-providers";
+import { ProviderMethod } from "@edr/types";
+
+/** Injection token for the Map<ProviderMethod, PaymentProvider> used to select a gateway. */
+export const PAYMENT_PROVIDER_MAP = Symbol("PAYMENT_PROVIDER_MAP");
+
+export type PaymentProviderMap = Map<ProviderMethod, PaymentProvider>;
+
+const providerClasses = [
+  TelebirrProvider,
+  CbeBirrProvider,
+  EBirrProvider,
+  CardProvider,
+  WaafiProvider,
+  DMoneyProvider,
+];
+
+/**
+ * Thin DI wiring around @edr/payment-providers — the exact provider set the passenger app
+ * used to construct, relocated here. After cutover this service is the only consumer of the
+ * provider SDK and of the provider secrets (config/{waafi,telebirr,…}.config.ts).
+ */
+@Module({
+  imports: [HttpModule.register({ timeout: 10_000 })],
+  providers: [
+    ...providerClasses,
+    {
+      provide: PAYMENT_PROVIDER_MAP,
+      useFactory: (...providers: PaymentProvider[]): PaymentProviderMap =>
+        new Map(providers.map((provider) => [provider.method, provider])),
+      inject: providerClasses,
+    },
+  ],
+  exports: [PAYMENT_PROVIDER_MAP, ...providerClasses],
+})
+export class ProvidersModule {}

apps/edr-payment-api/src/modules/reconciliation/reconciliation.module.ts

@@ -0,0 +1,10 @@
+import { Module } from "@nestjs/common";
+import { IntentsModule } from "../intents/intents.module";
+import { ProvidersModule } from "../providers/providers.module";
+import { ReconciliationService } from "./reconciliation.service";
+
+@Module({
+  imports: [IntentsModule, ProvidersModule],
+  providers: [ReconciliationService],
+})
+export class ReconciliationModule {}

apps/edr-payment-api/src/modules/reconciliation/reconciliation.service.ts

@@ -0,0 +1,114 @@
+import {
+  Inject,
+  Injectable,
+  Logger,
+  OnModuleDestroy,
+  OnModuleInit,
+} from "@nestjs/common";
+import { ConfigService } from "@nestjs/config";
+import { SchedulerRegistry } from "@nestjs/schedule";
+import { ProviderPaymentStatus } from "@edr/types";
+import {
+  PAYMENT_PROVIDER_MAP,
+  PaymentProviderMap,
+} from "../providers/providers.module";
+import { PaymentIntent } from "../intents/entities/payment-intent.entity";
+import { IntentsRepository } from "../intents/intents.repository";
+import { IntentsService } from "../intents/intents.service";
+
+const SWEEP_INTERVAL_NAME = "reconciliation-sweep";
+
+/**
+ * Safety net (architecture.md §7.4): webhooks get lost, users abandon hosted pages. The sweep
+ * queries the provider for stale non-terminal intents and feeds the answer through the same
+ * state machine the webhooks use; intents whose provider session expired are CANCELLED.
+ */
+@Injectable()
+export class ReconciliationService implements OnModuleInit, OnModuleDestroy {
+  private readonly logger = new Logger(ReconciliationService.name);
+  private readonly intervalMs: number;
+  private readonly staleAfterMs: number;
+  private readonly batchSize: number;
+  private sweeping = false;
+
+  constructor(
+    config: ConfigService,
+    private readonly intentsRepository: IntentsRepository,
+    private readonly intentsService: IntentsService,
+    private readonly schedulerRegistry: SchedulerRegistry,
+    @Inject(PAYMENT_PROVIDER_MAP)
+    private readonly providers: PaymentProviderMap,
+  ) {
+    this.intervalMs =
+      config.get<number>("app.reconciliation.sweepIntervalMs") ?? 60_000;
+    this.staleAfterMs =
+      config.get<number>("app.reconciliation.staleAfterMs") ?? 60_000;
+    this.batchSize = config.get<number>("app.reconciliation.batchSize") ?? 20;
+  }
+
+  onModuleInit(): void {
+    const interval = setInterval(() => void this.sweep(), this.intervalMs);
+    this.schedulerRegistry.addInterval(SWEEP_INTERVAL_NAME, interval);
+  }
+
+  onModuleDestroy(): void {
+    if (this.schedulerRegistry.doesExist("interval", SWEEP_INTERVAL_NAME)) {
+      this.schedulerRegistry.deleteInterval(SWEEP_INTERVAL_NAME);
+    }
+  }
+
+  async sweep(): Promise<void> {
+    if (this.sweeping) return;
+    this.sweeping = true;
+    try {
+      const cutoff = new Date(Date.now() - this.staleAfterMs);
+      const stale = await this.intentsRepository.findStale(
+        cutoff,
+        this.batchSize,
+      );
+      for (const intent of stale) {
+        await this.reconcileIntent(intent);
+      }
+    } catch (err) {
+      this.logger.error(
+        `sweep failed: ${err instanceof Error ? err.message : String(err)}`,
+      );
+    } finally {
+      this.sweeping = false;
+    }
+  }
+
+  private async reconcileIntent(intent: PaymentIntent): Promise<void> {
+    try {
+      const provider = this.providers.get(intent.provider);
+      if (provider) {
+        const status = await provider.queryStatus(intent.merchantOrderId);
+        const result = this.intentsService.fromProviderStatus(status);
+        if (result.status !== intent.status || result.providerTxnId) {
+          await this.intentsService.applyProviderResult(intent.id, result);
+        }
+        if (
+          result.status === ProviderPaymentStatus.SUCCEEDED ||
+          result.status === ProviderPaymentStatus.FAILED ||
+          result.status === ProviderPaymentStatus.CANCELLED
+        ) {
+          this.logger.log(`reconciled intent ${intent.id} → ${result.status}`);
+          return;
+        }
+      }
+
+      // Provider still says pending (or is unknown): expire only once the session is dead.
+      if (intent.expiresAt && intent.expiresAt.getTime() < Date.now()) {
+        await this.intentsService.expireIntent(intent.id);
+        this.logger.log(
+          `expired abandoned intent ${intent.id} (${intent.merchantOrderId})`,
+        );
+      }
+    } catch (err) {
+      // Per-intent failures must not stall the sweep; the row stays stale and is retried.
+      this.logger.warn(
+        `reconcile failed for intent ${intent.id}: ${err instanceof Error ? err.message : String(err)}`,
+      );
+    }
+  }
+}

apps/edr-payment-api/src/modules/webhooks/entities/payment-webhook-event.entity.ts

@@ -0,0 +1,57 @@
+import { Column, Entity, Index } from "typeorm";
+import { BaseEntity } from "@edr/api-common";
+import { ProviderMethod } from "@edr/types";
+
+/**
+ * Idempotency + audit record for every inbound provider webhook. The unique
+ * (provider, external_event_id) pair is the dedupe key: a duplicate insert hits the unique
+ * violation and the handler short-circuits with a 200 ack.
+ */
+@Entity({ name: "payment_webhook_event" })
+@Index("uq_payment_webhook_event_external", ["provider", "externalEventId"], {
+  unique: true,
+})
+export class PaymentWebhookEvent extends BaseEntity {
+  @Column({ name: "provider", type: "varchar", length: 16 })
+  provider!: ProviderMethod;
+
+  /** Provider event id when given (e.g. Waafi X-Webhook-Event-Id), else derived from the payload. */
+  @Column({ name: "external_event_id", type: "varchar", length: 191 })
+  externalEventId!: string;
+
+  @Column({
+    name: "merchant_order_id",
+    type: "varchar",
+    length: 64,
+    nullable: true,
+  })
+  merchantOrderId?: string | null;
+
+  @Column({
+    name: "provider_txn_id",
+    type: "varchar",
+    length: 128,
+    nullable: true,
+  })
+  providerTxnId?: string | null;
+
+  @Column({ name: "signature_valid", type: "boolean", default: false })
+  signatureValid!: boolean;
+
+  /** Raw provider status string as sent (pre-mapping). */
+  @Column({ name: "status", type: "varchar", length: 64, nullable: true })
+  status?: string | null;
+
+  /** Full webhook body — hostile input, stored verbatim for audit/replay analysis. */
+  @Column({ name: "payload", type: "jsonb" })
+  payload!: Record<string, unknown>;
+
+  @Column({ name: "received_at", type: "timestamptz", default: () => "now()" })
+  receivedAt!: Date;
+
+  @Column({ name: "processed_at", type: "timestamptz", nullable: true })
+  processedAt?: Date | null;
+
+  @Column({ name: "processing_error", type: "text", nullable: true })
+  processingError?: string | null;
+}

apps/edr-payment-api/src/modules/webhooks/handlers/card-webhook.service.ts

@@ -0,0 +1,35 @@
+import { Injectable } from "@nestjs/common";
+import { CardProvider, CardWebhookPayload } from "@edr/payment-providers";
+import { WebhookProcessorService } from "../webhook-processor.service";
+
+@Injectable()
+export class CardWebhookService {
+  constructor(
+    private readonly provider: CardProvider,
+    private readonly processor: WebhookProcessorService,
+  ) {}
+
+  async handle(payload: CardWebhookPayload, signature: string): Promise<void> {
+    const signatureValid = this.provider.verifyWebhookSignature(
+      payload as unknown as Record<string, unknown>,
+      signature,
+    );
+    const object = payload.data.object;
+    const mapped = this.provider.mapWebhookStatus(object.status);
+
+    await this.processor.process({
+      provider: this.provider.method,
+      externalEventId: `${payload.id}_${payload.type}`,
+      merchantOrderId: object.metadata.merchantOrderId,
+      providerTxnId: object.transaction_id,
+      signatureValid,
+      rawStatus: object.status,
+      payload: payload as unknown as Record<string, unknown>,
+      result: {
+        status: mapped,
+        providerTxnId: object.transaction_id,
+        failureCode: object.status,
+      },
+    });
+  }
+}

apps/edr-payment-api/src/modules/webhooks/handlers/cbe-birr-webhook.service.ts

@@ -0,0 +1,30 @@
+import { Injectable } from "@nestjs/common";
+import { CbeBirrProvider, CbeBirrWebhookPayload } from "@edr/payment-providers";
+import { WebhookProcessorService } from "../webhook-processor.service";
+
+@Injectable()
+export class CbeBirrWebhookService {
+  constructor(
+    private readonly provider: CbeBirrProvider,
+    private readonly processor: WebhookProcessorService,
+  ) {}
+
+  async handle(payload: CbeBirrWebhookPayload): Promise<void> {
+    const signatureValid = this.provider.verifyWebhookSignature(
+      payload as unknown as Record<string, unknown>,
+    );
+    const mapped = this.provider.mapWebhookStatus(payload.status);
+    const providerTxnId = payload.transactionId ?? payload.orderId;
+
+    await this.processor.process({
+      provider: this.provider.method,
+      externalEventId: `${payload.orderId}_${payload.status}`,
+      merchantOrderId: payload.merchantOrderId,
+      providerTxnId,
+      signatureValid,
+      rawStatus: payload.status,
+      payload: payload as unknown as Record<string, unknown>,
+      result: { status: mapped, providerTxnId, failureCode: payload.status },
+    });
+  }
+}

apps/edr-payment-api/src/modules/webhooks/handlers/dmoney-webhook.service.ts

@@ -0,0 +1,34 @@
+import { Injectable } from "@nestjs/common";
+import { DMoneyProvider, DMoneyWebhookPayload } from "@edr/payment-providers";
+import { WebhookProcessorService } from "../webhook-processor.service";
+
+@Injectable()
+export class DMoneyWebhookService {
+  constructor(
+    private readonly provider: DMoneyProvider,
+    private readonly processor: WebhookProcessorService,
+  ) {}
+
+  async handle(payload: DMoneyWebhookPayload): Promise<void> {
+    const signatureValid = this.provider.verifyWebhookSignature(
+      payload as unknown as Record<string, unknown>,
+    );
+    const mapped = this.provider.mapWebhookStatus(payload.status);
+
+    await this.processor.process({
+      provider: this.provider.method,
+      externalEventId: `${payload.orderId}_${payload.status}`,
+      merchantOrderId: payload.merchantOrderId,
+      providerTxnId: payload.transactionId,
+      signatureValid,
+      rawStatus: payload.status,
+      payload: payload as unknown as Record<string, unknown>,
+      result: {
+        status: mapped,
+        providerTxnId: payload.transactionId,
+        paidAt: payload.paidAt ? new Date(payload.paidAt) : undefined,
+        failureCode: payload.status,
+      },
+    });
+  }
+}

apps/edr-payment-api/src/modules/webhooks/handlers/ebirr-webhook.service.ts

@@ -0,0 +1,33 @@
+import { Injectable } from "@nestjs/common";
+import { EBirrProvider, EBirrWebhookPayload } from "@edr/payment-providers";
+import { WebhookProcessorService } from "../webhook-processor.service";
+
+@Injectable()
+export class EBirrWebhookService {
+  constructor(
+    private readonly provider: EBirrProvider,
+    private readonly processor: WebhookProcessorService,
+  ) {}
+
+  async handle(payload: EBirrWebhookPayload): Promise<void> {
+    const signatureValid = this.provider.verifyWebhookSignature(
+      payload as unknown as Record<string, unknown>,
+    );
+    const mapped = this.provider.mapWebhookStatus(payload.tradeStatus);
+
+    await this.processor.process({
+      provider: this.provider.method,
+      externalEventId: `${payload.orderNo}_${payload.tradeStatus}_${payload.timestamp}`,
+      merchantOrderId: payload.orderNo,
+      providerTxnId: payload.tradeNo,
+      signatureValid,
+      rawStatus: payload.tradeStatus,
+      payload: payload as unknown as Record<string, unknown>,
+      result: {
+        status: mapped,
+        providerTxnId: payload.tradeNo,
+        failureCode: payload.tradeStatus,
+      },
+    });
+  }
+}

apps/edr-payment-api/src/modules/webhooks/handlers/telebirr-webhook.service.ts

@@ -0,0 +1,46 @@
+import { Injectable } from "@nestjs/common";
+import {
+  TelebirrProvider,
+  TelebirrWebhookPayload,
+} from "@edr/payment-providers";
+import { WebhookProcessorService } from "../webhook-processor.service";
+
+@Injectable()
+export class TelebirrWebhookService {
+  constructor(
+    private readonly provider: TelebirrProvider,
+    private readonly processor: WebhookProcessorService,
+  ) {}
+
+  async handle(payload: TelebirrWebhookPayload): Promise<void> {
+    // TODO: re-enable Telebirr public-key signature verification — skipped for now
+    // (carried over from the passenger handler; see telebirr.provider verifyWebhookSignature).
+    const signatureValid = true;
+
+    const mapped = this.provider.mapWebhookTradeStatus(payload.trade_status);
+    const providerTxnId = payload.trans_id ?? payload.payment_order_id;
+
+    await this.processor.process({
+      provider: this.provider.method,
+      externalEventId: `${payload.payment_order_id}_${payload.trade_status}`,
+      merchantOrderId: payload.merch_order_id,
+      providerTxnId,
+      signatureValid,
+      rawStatus: payload.trade_status,
+      payload: payload as unknown as Record<string, unknown>,
+      result: {
+        status: mapped,
+        providerTxnId,
+        paidAt: this.parseEpochSeconds(payload.trans_end_time),
+        failureCode: payload.trade_status,
+      },
+    });
+  }
+
+  private parseEpochSeconds(raw: string | undefined): Date | undefined {
+    if (!raw) return undefined;
+    const n = parseInt(raw, 10);
+    if (Number.isNaN(n)) return undefined;
+    return new Date(n * 1000);
+  }
+}

apps/edr-payment-api/src/modules/webhooks/handlers/waafi-webhook.service.ts

@@ -0,0 +1,82 @@
+import { Injectable, Logger } from "@nestjs/common";
+import {
+  WaafiProvider,
+  WaafiWebhookHeaders,
+  WaafiWebhookPayload,
+} from "@edr/payment-providers";
+import { WebhookProcessorService } from "../webhook-processor.service";
+
+/** Reject webhooks whose timestamp is older than this (replay protection). */
+const WAAFI_REPLAY_WINDOW_SECONDS = 300;
+
+@Injectable()
+export class WaafiWebhookService {
+  private readonly logger = new Logger(WaafiWebhookService.name);
+
+  constructor(
+    private readonly provider: WaafiProvider,
+    private readonly processor: WebhookProcessorService,
+  ) {}
+
+  async handle(
+    payload: WaafiWebhookPayload,
+    rawBody: string,
+    headers: WaafiWebhookHeaders,
+  ): Promise<void> {
+    // Unsigned validation ping sent on registration — acknowledge without verifying or persisting.
+    if (payload.event === "webhook.test") {
+      this.logger.log("Waafi webhook.test ping received");
+      return;
+    }
+
+    const { payment } = payload;
+    const eventId = headers["x-webhook-event-id"];
+    const timestamp = headers["x-webhook-timestamp"];
+    const signature = headers["x-webhook-signature"];
+
+    const signatureValid =
+      this.isFresh(timestamp) &&
+      this.provider.verifyWebhookSignature(
+        rawBody,
+        signature,
+        timestamp,
+        eventId,
+      );
+
+    const mapped = this.provider.mapWebhookStatus(payment.status);
+
+    await this.processor.process({
+      provider: this.provider.method,
+      // X-Webhook-Event-Id is unique per event; fall back to a derived id if absent.
+      externalEventId: eventId ?? `${payment.transaction_id}_${payment.status}`,
+      merchantOrderId: payment.reference_id,
+      providerTxnId: payment.transaction_id,
+      signatureValid,
+      rawStatus: payment.status,
+      payload: payload as unknown as Record<string, unknown>,
+      result: {
+        status: mapped,
+        providerTxnId: payment.transaction_id,
+        paidAt: this.parseDate(payment.date),
+        failureCode: payment.status,
+        failureMessage: payment.description,
+      },
+    });
+  }
+
+  /** True when the webhook timestamp (unix seconds) is within the replay window. */
+  private isFresh(timestamp: string | undefined): boolean {
+    if (!timestamp) return false;
+    const ts = parseInt(timestamp, 10);
+    if (Number.isNaN(ts)) return false;
+    const now = Math.floor(Date.now() / 1000);
+    return Math.abs(now - ts) <= WAAFI_REPLAY_WINDOW_SECONDS;
+  }
+
+  /** Parse Waafi's "YYYY-MM-DD HH:mm:ss" payment date; undefined when unparseable. */
+  private parseDate(raw: string | undefined): Date | undefined {
+    if (!raw) return undefined;
+    const d = new Date(raw);
+    return Number.isNaN(d.getTime()) ? undefined : d;
+  }
+}

apps/edr-payment-api/src/modules/webhooks/webhook-events.repository.ts

@@ -0,0 +1,44 @@
+import { Injectable } from "@nestjs/common";
+import { InjectRepository } from "@nestjs/typeorm";
+import { QueryFailedError, Repository } from "typeorm";
+import { BaseRepository } from "@edr/api-common";
+import { PaymentWebhookEvent } from "./entities/payment-webhook-event.entity";
+
+const PG_UNIQUE_VIOLATION = "23505";
+
+@Injectable()
+export class WebhookEventsRepository extends BaseRepository<PaymentWebhookEvent> {
+  constructor(
+    @InjectRepository(PaymentWebhookEvent)
+    repository: Repository<PaymentWebhookEvent>,
+  ) {
+    super(repository);
+  }
+
+  /**
+   * Insert the event, relying on the unique (provider, external_event_id) index for dedupe.
+   * Returns null when the event was already recorded (duplicate delivery / provider replay).
+   */
+  async createDeduped(
+    data: Partial<PaymentWebhookEvent>,
+  ): Promise<PaymentWebhookEvent | null> {
+    try {
+      return await this.create(data);
+    } catch (err) {
+      if (
+        err instanceof QueryFailedError &&
+        (err.driverError as { code?: string })?.code === PG_UNIQUE_VIOLATION
+      ) {
+        return null;
+      }
+      throw err;
+    }
+  }
+
+  async markProcessed(id: string, processingError?: string): Promise<void> {
+    await this.update(id, {
+      processedAt: new Date(),
+      processingError: processingError ?? null,
+    });
+  }
+}

apps/edr-payment-api/src/modules/webhooks/webhook-processor.service.ts

@@ -0,0 +1,94 @@
+import { Injectable, Logger } from "@nestjs/common";
+import { ProviderMethod } from "@edr/types";
+import { IntentsRepository } from "../intents/intents.repository";
+import {
+  IntentsService,
+  ProviderResultInput,
+} from "../intents/intents.service";
+import { WebhookEventsRepository } from "./webhook-events.repository";
+
+/** A provider webhook reduced to the fields the shared pipeline needs. */
+export interface NormalizedWebhook {
+  provider: ProviderMethod;
+  /** Provider event id (or a deterministic derivation) — the dedupe key. */
+  externalEventId: string;
+  merchantOrderId: string;
+  providerTxnId?: string;
+  signatureValid: boolean;
+  /** Raw provider status string, stored for audit. */
+  rawStatus: string;
+  payload: Record<string, unknown>;
+  /** Mapped outcome to feed the intent state machine. */
+  result: ProviderResultInput;
+}
+
+/**
+ * The shared webhook pipeline every provider handler funnels into:
+ * persist+dedupe → signature gate → intent lookup → prefix/service cross-check →
+ * state machine → mark processed. Always returns (never throws) so controllers can
+ * ack 200 fast — providers like Waafi time out at 5s and do not retry.
+ */
+@Injectable()
+export class WebhookProcessorService {
+  private readonly logger = new Logger(WebhookProcessorService.name);
+
+  constructor(
+    private readonly webhookEvents: WebhookEventsRepository,
+    private readonly intentsRepository: IntentsRepository,
+    private readonly intentsService: IntentsService,
+  ) {}
+
+  async process(webhook: NormalizedWebhook): Promise<void> {
+    const { provider, merchantOrderId } = webhook;
+
+    const eventRow = await this.webhookEvents.createDeduped({
+      provider,
+      externalEventId: webhook.externalEventId,
+      merchantOrderId,
+      providerTxnId: webhook.providerTxnId ?? null,
+      signatureValid: webhook.signatureValid,
+      status: webhook.rawStatus,
+      payload: webhook.payload,
+    });
+    if (!eventRow) {
+      this.logger.log(
+        `${provider} webhook duplicate: ${webhook.externalEventId} — short-circuit OK`,
+      );
+      return;
+    }
+
+    if (!webhook.signatureValid) {
+      this.logger.warn(
+        `${provider} webhook signature invalid/stale for ref=${merchantOrderId}`,
+      );
+      await this.webhookEvents.markProcessed(eventRow.id, "signature-invalid");
+      return;
+    }
+
+    const intent =
+      await this.intentsRepository.findByMerchantOrderId(merchantOrderId);
+    if (!intent) {
+      // Tolerated: webhook may have raced the intent commit, or the reference is foreign.
+      // The provider gets a 200; retry/poll/reconciliation converges later.
+      this.logger.warn(
+        `${provider} webhook: no PaymentIntent for ref=${merchantOrderId}`,
+      );
+      await this.webhookEvents.markProcessed(eventRow.id, "intent-not-found");
+      return;
+    }
+
+    try {
+      await this.intentsService.applyProviderResult(intent.id, webhook.result);
+      await this.webhookEvents.markProcessed(eventRow.id);
+    } catch (err) {
+      const message = err instanceof Error ? err.message : String(err);
+      this.logger.error(
+        `${provider} webhook processing failed for ${merchantOrderId}: ${message}`,
+      );
+      await this.webhookEvents.markProcessed(
+        eventRow.id,
+        `processing-error: ${message}`,
+      );
+    }
+  }
+}

apps/edr-payment-api/src/modules/webhooks/webhooks.controller.ts

@@ -0,0 +1,145 @@
+import {
+  All,
+  Body,
+  Controller,
+  Headers,
+  HttpCode,
+  HttpStatus,
+  Logger,
+  Post,
+  Req,
+} from "@nestjs/common";
+import { ApiOperation, ApiTags } from "@nestjs/swagger";
+import {
+  CardWebhookPayload,
+  CbeBirrWebhookPayload,
+  DMoneyWebhookPayload,
+  EBirrWebhookPayload,
+  TelebirrWebhookPayload,
+  WaafiWebhookHeaders,
+  WaafiWebhookPayload,
+} from "@edr/payment-providers";
+import { TelebirrWebhookService } from "./handlers/telebirr-webhook.service";
+import { CbeBirrWebhookService } from "./handlers/cbe-birr-webhook.service";
+import { EBirrWebhookService } from "./handlers/ebirr-webhook.service";
+import { CardWebhookService } from "./handlers/card-webhook.service";
+import { WaafiWebhookService } from "./handlers/waafi-webhook.service";
+import { DMoneyWebhookService } from "./handlers/dmoney-webhook.service";
+
+/**
+ * The ONLY public surface of the payment service — the single registered webhook URL per
+ * provider for the whole platform. No service auth here (provider-facing); trust comes from
+ * signature verification inside each handler. Every route acks 2xx fast and never rethrows:
+ * Waafi times out at 5s and does NOT retry.
+ */
+@ApiTags("Provider Webhooks")
+@Controller("webhooks")
+export class WebhooksController {
+  private readonly logger = new Logger(WebhooksController.name);
+
+  constructor(
+    private readonly telebirr: TelebirrWebhookService,
+    private readonly cbeBirr: CbeBirrWebhookService,
+    private readonly eBirr: EBirrWebhookService,
+    private readonly card: CardWebhookService,
+    private readonly waafi: WaafiWebhookService,
+    private readonly dMoney: DMoneyWebhookService,
+  ) {}
+
+  @All("telebirr")
+  @HttpCode(HttpStatus.OK)
+  @ApiOperation({
+    summary: "Telebirr payment notification callback (Ethiopia)",
+  })
+  async receiveTelebirr(@Body() payload: TelebirrWebhookPayload) {
+    this.logger.log("Telebirr webhook called");
+    try {
+      await this.telebirr.handle(payload);
+    } catch (err) {
+      this.logger.error(`Telebirr webhook handler threw: ${this.message(err)}`);
+    }
+    return { code: "0", message: "OK" };
+  }
+
+  @Post("cbe-birr")
+  @HttpCode(HttpStatus.OK)
+  @ApiOperation({
+    summary: "CBE Birr payment notification callback (Ethiopia)",
+  })
+  async receiveCbeBirr(@Body() payload: CbeBirrWebhookPayload) {
+    try {
+      await this.cbeBirr.handle(payload);
+    } catch (err) {
+      this.logger.error(`CBE Birr webhook handler threw: ${this.message(err)}`);
+    }
+    return { success: true };
+  }
+
+  @Post("ebirr")
+  @HttpCode(HttpStatus.OK)
+  @ApiOperation({ summary: "eBirr payment notification callback (Ethiopia)" })
+  async receiveEBirr(@Body() payload: EBirrWebhookPayload) {
+    try {
+      await this.eBirr.handle(payload);
+    } catch (err) {
+      this.logger.error(`eBirr webhook handler threw: ${this.message(err)}`);
+    }
+    return { code: "0000", message: "success" };
+  }
+
+  @Post("card")
+  @HttpCode(HttpStatus.OK)
+  @ApiOperation({
+    summary: "Card payment notification callback (International)",
+  })
+  async receiveCard(
+    @Body() payload: CardWebhookPayload,
+    @Headers("stripe-signature") signature: string,
+  ) {
+    try {
+      await this.card.handle(payload, signature);
+    } catch (err) {
+      this.logger.error(`Card webhook handler threw: ${this.message(err)}`);
+    }
+    return { received: true };
+  }
+
+  @Post("waafi")
+  @HttpCode(HttpStatus.OK)
+  @ApiOperation({ summary: "Waafi payment notification callback (Djibouti)" })
+  async receiveWaafi(
+    @Body() payload: WaafiWebhookPayload,
+    @Headers() headers: WaafiWebhookHeaders,
+    @Req() req: { rawBody?: Buffer },
+  ) {
+
+    this.logger.log("\n\n\n\nWaafi payment notification callback (Djibouti)\n\n\n\n");
+    this.logger.log(
+      `Waafi webhook hit: event=${payload?.event ?? "unknown"} eventId=${headers["x-webhook-event-id"] ?? "n/a"}`,
+    );
+    try {
+      // HMAC verification must sign over the exact raw bytes Waafi sent, not re-serialized JSON.
+      const rawBody = req.rawBody?.toString("utf8") ?? "";
+      await this.waafi.handle(payload, rawBody, headers);
+    } catch (err) {
+      this.logger.error(`Waafi webhook handler threw: ${this.message(err)}`);
+    }
+    return { responseCode: "2001", responseMsg: "Success" };
+  }
+
+  @Post("dmoney")
+  @HttpCode(HttpStatus.OK)
+  @ApiOperation({ summary: "D-Money payment notification callback (Djibouti)" })
+  async receiveDMoney(@Body() payload: DMoneyWebhookPayload) {
+    try {
+      await this.dMoney.handle(payload);
+    } catch (err) {
+      this.logger.error(`D-Money webhook handler threw: ${this.message(err)}`);
+    }
+    return { success: true };
+  }
+
+  private message(err: unknown): string {
+    return err instanceof Error ? err.message : String(err);
+  }
+}

apps/edr-payment-api/src/modules/webhooks/webhooks.module.ts

@@ -0,0 +1,34 @@
+import { Module } from "@nestjs/common";
+import { TypeOrmModule } from "@nestjs/typeorm";
+import { IntentsModule } from "../intents/intents.module";
+import { ProvidersModule } from "../providers/providers.module";
+import { PaymentWebhookEvent } from "./entities/payment-webhook-event.entity";
+import { WebhookEventsRepository } from "./webhook-events.repository";
+import { WebhookProcessorService } from "./webhook-processor.service";
+import { WebhooksController } from "./webhooks.controller";
+import { TelebirrWebhookService } from "./handlers/telebirr-webhook.service";
+import { CbeBirrWebhookService } from "./handlers/cbe-birr-webhook.service";
+import { EBirrWebhookService } from "./handlers/ebirr-webhook.service";
+import { CardWebhookService } from "./handlers/card-webhook.service";
+import { WaafiWebhookService } from "./handlers/waafi-webhook.service";
+import { DMoneyWebhookService } from "./handlers/dmoney-webhook.service";
+
+@Module({
+  imports: [
+    TypeOrmModule.forFeature([PaymentWebhookEvent]),
+    IntentsModule,
+    ProvidersModule,
+  ],
+  controllers: [WebhooksController],
+  providers: [
+    WebhookEventsRepository,
+    WebhookProcessorService,
+    TelebirrWebhookService,
+    CbeBirrWebhookService,
+    EBirrWebhookService,
+    CardWebhookService,
+    WaafiWebhookService,
+    DMoneyWebhookService,
+  ],
+})
+export class WebhooksModule {}

apps/edr-payment-api/src/scripts/migrate-revert.ts

@@ -0,0 +1,18 @@
+import "dotenv/config";
+import { AppDataSource } from "../data-source";
+
+/** `pnpm --filter @edr/payment-api migration:revert` — undo the most recent migration. */
+async function main(): Promise<void> {
+  await AppDataSource.initialize();
+  try {
+    await AppDataSource.undoLastMigration();
+    console.log("reverted last migration");
+  } finally {
+    await AppDataSource.destroy();
+  }
+}
+
+main().catch((err) => {
+  console.error(err);
+  process.exit(1);
+});

apps/edr-payment-api/src/scripts/migrate.ts

@@ -0,0 +1,23 @@
+import "dotenv/config";
+import { AppDataSource } from "../data-source";
+import { ensurePaymentSchema } from "../config/ensure-schema";
+
+/** `pnpm --filter @edr/payment-api migration:run` — ensure schema, then run pending migrations. */
+async function main(): Promise<void> {
+  await ensurePaymentSchema();
+  await AppDataSource.initialize();
+  try {
+    const applied = await AppDataSource.runMigrations();
+    for (const migration of applied) {
+      console.log(`applied: ${migration.name}`);
+    }
+    if (applied.length === 0) console.log("no pending migrations");
+  } finally {
+    await AppDataSource.destroy();
+  }
+}
+
+main().catch((err) => {
+  console.error(err);
+  process.exit(1);
+});

apps/edr-payment-api/tsconfig.build.json

@@ -0,0 +1,4 @@
+{
+  "extends": "./tsconfig.json",
+  "exclude": ["node_modules", "test", "dist", "**/*spec.ts"]
+}

apps/edr-payment-api/tsconfig.json

@@ -0,0 +1,14 @@
+{
+  "extends": "@edr/tsconfig/nestjs.json",
+  "compilerOptions": {
+    "baseUrl": "./",
+    "outDir": "./dist",
+    "rootDir": "./src",
+    "noEmit": false,
+    "incremental": true,
+    "tsBuildInfoFile": "./.tsbuildinfo",
+    "module": "node16",
+    "moduleResolution": "node16"
+  },
+  "include": ["src"]
+}

package.json

@@ -6,6 +6,7 @@
     "dev": "turbo run dev",
     "dev:freight": "turbo run dev --filter=@edr/freight-api... --filter=@edr/freight-portal... --filter=@edr/freight-backoffice... --filter=@edr/ui-common...",
     "dev:passenger": "turbo run dev --filter=@edr/passenger-api... --filter=@edr/passenger-portal... --filter=@edr/passenger-backoffice...",
+    "dev:payment": "turbo run dev --filter=@edr/payment-api...",
     "build": "turbo run build",
     "build:freight": "turbo run build --filter=@edr/freight-api... --filter=@edr/freight-portal... --filter=@edr/freight-backoffice...",
     "build:passenger": "turbo run build --filter=@edr/passenger-api... --filter=@edr/passenger-portal... --filter=@edr/passenger-backoffice...",

packages/payment-providers/src/index.ts

@@ -40,12 +40,28 @@ export type {
   TelebirrTradeStatus,
 } from './providers/telebirr/telebirr.types';
 
+// Waafi HPP request/response types (exported for apps that build/inspect requests directly)
+export type {
+  WaafiState,
+  WaafiHppPurchaseRequest,
+  WaafiHppPurchaseResponse,
+  WaafiGetTranInfoRequest,
+  WaafiGetTranInfoResponse,
+} from './providers/waafi/waafi.types';
+
 // Webhook payload types
 export type { TelebirrWebhookPayload } from './webhooks/telebirr-webhook.types';
 export type { CbeBirrWebhookPayload } from './webhooks/cbe-birr-webhook.types';
 export type { EBirrWebhookPayload } from './webhooks/ebirr-webhook.types';
 export type { CardWebhookPayload } from './webhooks/card-webhook.types';
-export type { WaafiWebhookPayload } from './webhooks/waafi-webhook.types';
+export type {
+  WaafiWebhookPayload,
+  WaafiWebhookTransactionPayload,
+  WaafiWebhookTestPayload,
+  WaafiWebhookHeaders,
+  WaafiWebhookEvent,
+  WaafiWebhookStatus,
+} from './webhooks/waafi-webhook.types';
 export type { DMoneyWebhookPayload } from './webhooks/dmoney-webhook.types';
 
 // DI token for injecting all providers as an array (future multi-provider wiring)

packages/payment-providers/src/providers/card/card.provider.ts

@@ -1,6 +1,6 @@
-import { Injectable, Logger } from '@nestjs/common';
-import { ConfigService } from '@nestjs/config';
-import { HttpService } from '@nestjs/axios';
+import { Injectable, Logger } from "@nestjs/common";
+import { ConfigService } from "@nestjs/config";
+import { HttpService } from "@nestjs/axios";
 import {
   PaymentProvider,
   ProviderInitiationInput,
@@ -8,10 +8,10 @@ import {
   ProviderStatus,
   ProviderPaymentStatus,
   ProviderMethod,
-} from '@edr/types';
-import { AxiosError, AxiosRequestConfig } from 'axios';
-import { firstValueFrom } from 'rxjs';
-import * as crypto from 'node:crypto';
+} from "@edr/types";
+import { AxiosError, AxiosRequestConfig } from "axios";
+import { firstValueFrom } from "rxjs";
+import * as crypto from "node:crypto";
 
 interface CardInitiateRequest {
   amount: number;
@@ -54,7 +54,9 @@ export class CardProvider implements PaymentProvider {
     private readonly http: HttpService,
   ) {}
 
-  async initiate(input: ProviderInitiationInput): Promise<ProviderInitiationResult> {
+  async initiate(
+    input: ProviderInitiationInput,
+  ): Promise<ProviderInitiationResult> {
     const amount = input.amountMinor / 100;
 
     const requestBody: CardInitiateRequest = {
@@ -65,7 +67,8 @@ export class CardProvider implements PaymentProvider {
         merchantOrderId: input.merchantOrderId,
         orderRef: input.orderRef,
       },
-      return_url: this.returnUrl,
+      // Per-transaction browser return target (each calling app has its own UI); config is fallback.
+      return_url: input.returnUrl ?? this.returnUrl,
       webhook_url: this.webhookUrl,
     };
 
@@ -75,14 +78,16 @@ export class CardProvider implements PaymentProvider {
     );
 
     if (!response.id) {
-      throw new Error(`Card gateway initiate failed: ${JSON.stringify(response)}`);
+      throw new Error(
+        `Card gateway initiate failed: ${JSON.stringify(response)}`,
+      );
     }
 
     const expiresAt = new Date(response.expires_at * 1000);
 
     return {
       providerOrderId: response.id,
-      clientAction: { type: 'REDIRECT', url: response.checkout_url },
+      clientAction: { type: "REDIRECT", url: response.checkout_url },
       expiresAt,
       rawInitiation: {
         request: requestBody,
@@ -109,12 +114,15 @@ export class CardProvider implements PaymentProvider {
     };
   }
 
-  verifyWebhookSignature(payload: Record<string, unknown>, signature: string): boolean {
+  verifyWebhookSignature(
+    payload: Record<string, unknown>,
+    signature: string,
+  ): boolean {
     const payloadString = JSON.stringify(payload);
     const expectedSignature = crypto
-      .createHmac('sha256', this.webhookSecret)
+      .createHmac("sha256", this.webhookSecret)
       .update(payloadString)
-      .digest('hex');
+      .digest("hex");
 
     try {
       return crypto.timingSafeEqual(
@@ -132,18 +140,18 @@ export class CardProvider implements PaymentProvider {
 
   private mapStatus(status: string): ProviderPaymentStatus {
     switch (status?.toLowerCase()) {
-      case 'succeeded':
-      case 'paid':
+      case "succeeded":
+      case "paid":
         return ProviderPaymentStatus.SUCCEEDED;
-      case 'failed':
-      case 'canceled':
-      case 'expired':
+      case "failed":
+      case "canceled":
+      case "expired":
         return ProviderPaymentStatus.FAILED;
-      case 'requires_payment_method':
-      case 'requires_confirmation':
-      case 'requires_action':
+      case "requires_payment_method":
+      case "requires_confirmation":
+      case "requires_action":
         return ProviderPaymentStatus.REQUIRES_ACTION;
-      case 'processing':
+      case "processing":
         return ProviderPaymentStatus.PROCESSING;
       default:
         return ProviderPaymentStatus.PROCESSING;
@@ -153,8 +161,8 @@ export class CardProvider implements PaymentProvider {
   private async postJson<T>(url: string, body: unknown): Promise<T> {
     const config: AxiosRequestConfig = {
       headers: {
-        'Content-Type': 'application/json',
-        'Authorization': `Bearer ${this.apiKey}`,
+        "Content-Type": "application/json",
+        Authorization: `Bearer ${this.apiKey}`,
       },
       timeout: 10_000,
     };
@@ -162,7 +170,9 @@ export class CardProvider implements PaymentProvider {
     const started = Date.now();
     try {
       const res = await firstValueFrom(this.http.post<T>(url, body, config));
-      this.logger.debug(`Card Gateway POST ${url} status=${res.status} latency=${Date.now() - started}ms`);
+      this.logger.debug(
+        `Card Gateway POST ${url} status=${res.status} latency=${Date.now() - started}ms`,
+      );
       return res.data;
     } catch (err) {
       if (err instanceof AxiosError) {
@@ -170,7 +180,9 @@ export class CardProvider implements PaymentProvider {
           `Card Gateway POST ${url} failed: status=${err.response?.status} body=${JSON.stringify(err.response?.data)}`,
         );
       } else {
-        this.logger.error(`Card Gateway POST ${url} threw: ${err instanceof Error ? err.message : err}`);
+        this.logger.error(
+          `Card Gateway POST ${url} threw: ${err instanceof Error ? err.message : err}`,
+        );
       }
       throw err;
     }
@@ -179,7 +191,7 @@ export class CardProvider implements PaymentProvider {
   private async getJson<T>(url: string): Promise<T> {
     const config: AxiosRequestConfig = {
       headers: {
-        'Authorization': `Bearer ${this.apiKey}`,
+        Authorization: `Bearer ${this.apiKey}`,
       },
       timeout: 10_000,
     };
@@ -187,7 +199,9 @@ export class CardProvider implements PaymentProvider {
     const started = Date.now();
     try {
       const res = await firstValueFrom(this.http.get<T>(url, config));
-      this.logger.debug(`Card Gateway GET ${url} status=${res.status} latency=${Date.now() - started}ms`);
+      this.logger.debug(
+        `Card Gateway GET ${url} status=${res.status} latency=${Date.now() - started}ms`,
+      );
       return res.data;
     } catch (err) {
       if (err instanceof AxiosError) {
@@ -195,25 +209,27 @@ export class CardProvider implements PaymentProvider {
           `Card Gateway GET ${url} failed: status=${err.response?.status} body=${JSON.stringify(err.response?.data)}`,
         );
       } else {
-        this.logger.error(`Card Gateway GET ${url} threw: ${err instanceof Error ? err.message : err}`);
+        this.logger.error(
+          `Card Gateway GET ${url} threw: ${err instanceof Error ? err.message : err}`,
+        );
       }
       throw err;
     }
   }
 
   private get baseUrl(): string {
-    return this.config.get<string>('card.baseUrl') ?? '';
+    return this.config.get<string>("card.baseUrl") ?? "";
   }
   private get apiKey(): string {
-    return this.config.get<string>('card.apiKey') ?? '';
+    return this.config.get<string>("card.apiKey") ?? "";
   }
   private get webhookSecret(): string {
-    return this.config.get<string>('card.webhookSecret') ?? '';
+    return this.config.get<string>("card.webhookSecret") ?? "";
   }
   private get webhookUrl(): string {
-    return this.config.get<string>('card.webhookUrl') ?? '';
+    return this.config.get<string>("card.webhookUrl") ?? "";
   }
   private get returnUrl(): string {
-    return this.config.get<string>('card.returnUrl') ?? '';
+    return this.config.get<string>("card.returnUrl") ?? "";
   }
 }

packages/payment-providers/src/providers/cbe-birr/cbe-birr.provider.ts

@@ -1,6 +1,6 @@
-import { Injectable, Logger } from '@nestjs/common';
-import { ConfigService } from '@nestjs/config';
-import { HttpService } from '@nestjs/axios';
+import { Injectable, Logger } from "@nestjs/common";
+import { ConfigService } from "@nestjs/config";
+import { HttpService } from "@nestjs/axios";
 import {
   PaymentProvider,
   ProviderInitiationInput,
@@ -8,10 +8,10 @@ import {
   ProviderStatus,
   ProviderPaymentStatus,
   ProviderMethod,
-} from '@edr/types';
-import { AxiosError, AxiosRequestConfig } from 'axios';
-import { firstValueFrom } from 'rxjs';
-import * as crypto from 'node:crypto';
+} from "@edr/types";
+import { AxiosError, AxiosRequestConfig } from "axios";
+import { firstValueFrom } from "rxjs";
+import * as crypto from "node:crypto";
 
 interface CbeBirrInitiateRequest {
   merchantId: string;
@@ -51,7 +51,9 @@ export class CbeBirrProvider implements PaymentProvider {
     private readonly http: HttpService,
   ) {}
 
-  async initiate(input: ProviderInitiationInput): Promise<ProviderInitiationResult> {
+  async initiate(
+    input: ProviderInitiationInput,
+  ): Promise<ProviderInitiationResult> {
     const amount = (input.amountMinor / 100).toFixed(2);
     const timestamp = new Date().toISOString();
 
@@ -61,7 +63,8 @@ export class CbeBirrProvider implements PaymentProvider {
       amount,
       currency: input.currency,
       description: `EDR ${input.orderRef}`,
-      returnUrl: this.returnUrl,
+      // Per-transaction browser return target (each calling app has its own UI); config is fallback.
+      returnUrl: input.returnUrl ?? this.returnUrl,
       notifyUrl: this.notifyUrl,
       timestamp,
       signature: this.signRequest({
@@ -85,7 +88,7 @@ export class CbeBirrProvider implements PaymentProvider {
 
     return {
       providerOrderId: response.orderId,
-      clientAction: { type: 'REDIRECT', url: response.paymentUrl },
+      clientAction: { type: "REDIRECT", url: response.paymentUrl },
       expiresAt,
       rawInitiation: {
         request: this.sanitize(requestBody),
@@ -117,14 +120,15 @@ export class CbeBirrProvider implements PaymentProvider {
     return {
       status: mapped,
       providerTxnId: response.transactionId,
-      failureCode: mapped === ProviderPaymentStatus.FAILED ? response.status : undefined,
+      failureCode:
+        mapped === ProviderPaymentStatus.FAILED ? response.status : undefined,
       rawResponse: response as unknown as Record<string, unknown>,
     };
   }
 
   verifyWebhookSignature(payload: Record<string, unknown>): boolean {
     const { signature, ...data } = payload;
-    if (!signature || typeof signature !== 'string') return false;
+    if (!signature || typeof signature !== "string") return false;
 
     const expectedSignature = this.signRequest(data);
     return crypto.timingSafeEqual(
@@ -139,16 +143,16 @@ export class CbeBirrProvider implements PaymentProvider {
 
   private mapStatus(status: string): ProviderPaymentStatus {
     switch (status?.toUpperCase()) {
-      case 'SUCCESS':
-      case 'COMPLETED':
+      case "SUCCESS":
+      case "COMPLETED":
         return ProviderPaymentStatus.SUCCEEDED;
-      case 'FAILED':
-      case 'REJECTED':
-      case 'EXPIRED':
+      case "FAILED":
+      case "REJECTED":
+      case "EXPIRED":
         return ProviderPaymentStatus.FAILED;
-      case 'PENDING':
+      case "PENDING":
         return ProviderPaymentStatus.REQUIRES_ACTION;
-      case 'PROCESSING':
+      case "PROCESSING":
         return ProviderPaymentStatus.PROCESSING;
       default:
         return ProviderPaymentStatus.PROCESSING;
@@ -157,21 +161,19 @@ export class CbeBirrProvider implements PaymentProvider {
 
   private signRequest(data: Record<string, unknown>): string {
     const sortedKeys = Object.keys(data).sort();
-    const signString = sortedKeys
-      .map((key) => `${key}=${data[key]}`)
-      .join('&');
+    const signString = sortedKeys.map((key) => `${key}=${data[key]}`).join("&");
 
     return crypto
-      .createHmac('sha256', this.secretKey)
+      .createHmac("sha256", this.secretKey)
       .update(signString)
-      .digest('hex');
+      .digest("hex");
   }
 
   private async postJson<T>(url: string, body: unknown): Promise<T> {
     const config: AxiosRequestConfig = {
       headers: {
-        'Content-Type': 'application/json',
-        'X-Merchant-Id': this.merchantId,
+        "Content-Type": "application/json",
+        "X-Merchant-Id": this.merchantId,
       },
       timeout: 10_000,
     };
@@ -179,7 +181,9 @@ export class CbeBirrProvider implements PaymentProvider {
     const started = Date.now();
     try {
       const res = await firstValueFrom(this.http.post<T>(url, body, config));
-      this.logger.debug(`CBE Birr POST ${url} status=${res.status} latency=${Date.now() - started}ms`);
+      this.logger.debug(
+        `CBE Birr POST ${url} status=${res.status} latency=${Date.now() - started}ms`,
+      );
       return res.data;
     } catch (err) {
       if (err instanceof AxiosError) {
@@ -187,7 +191,9 @@ export class CbeBirrProvider implements PaymentProvider {
           `CBE Birr POST ${url} failed: status=${err.response?.status} body=${JSON.stringify(err.response?.data)}`,
         );
       } else {
-        this.logger.error(`CBE Birr POST ${url} threw: ${err instanceof Error ? err.message : err}`);
+        this.logger.error(
+          `CBE Birr POST ${url} threw: ${err instanceof Error ? err.message : err}`,
+        );
       }
       throw err;
     }
@@ -199,18 +205,18 @@ export class CbeBirrProvider implements PaymentProvider {
   }
 
   private get baseUrl(): string {
-    return this.config.get<string>('cbe.baseUrl') ?? '';
+    return this.config.get<string>("cbe.baseUrl") ?? "";
   }
   private get merchantId(): string {
-    return this.config.get<string>('cbe.merchantId') ?? '';
+    return this.config.get<string>("cbe.merchantId") ?? "";
   }
   private get secretKey(): string {
-    return this.config.get<string>('cbe.secretKey') ?? '';
+    return this.config.get<string>("cbe.secretKey") ?? "";
   }
   private get notifyUrl(): string {
-    return this.config.get<string>('cbe.notifyUrl') ?? '';
+    return this.config.get<string>("cbe.notifyUrl") ?? "";
   }
   private get returnUrl(): string {
-    return this.config.get<string>('cbe.returnUrl') ?? '';
+    return this.config.get<string>("cbe.returnUrl") ?? "";
   }
 }

packages/payment-providers/src/providers/dmoney/dmoney.provider.ts

@@ -56,7 +56,7 @@ export class DMoneyProvider implements PaymentProvider {
   constructor(
     private readonly config: ConfigService,
     private readonly http: HttpService,
-  ) { }
+  ) {}
 
   async initiate(
     input: ProviderInitiationInput,
@@ -99,9 +99,9 @@ export class DMoneyProvider implements PaymentProvider {
       clientAction: response.checkoutUrl
         ? { type: "REDIRECT", url: response.checkoutUrl }
         : {
-          type: "REDIRECT",
-          url: `${this.baseUrl}/checkout/${response.orderId}`,
-        },
+            type: "REDIRECT",
+            url: `${this.baseUrl}/checkout/${response.orderId}`,
+          },
       expiresAt,
       rawInitiation: {
         request: this.sanitize(requestBody),

packages/payment-providers/src/providers/ebirr/ebirr.provider.ts

@@ -1,6 +1,6 @@
-import { Injectable, Logger } from '@nestjs/common';
-import { ConfigService } from '@nestjs/config';
-import { HttpService } from '@nestjs/axios';
+import { Injectable, Logger } from "@nestjs/common";
+import { ConfigService } from "@nestjs/config";
+import { HttpService } from "@nestjs/axios";
 import {
   PaymentProvider,
   ProviderInitiationInput,
@@ -8,10 +8,10 @@ import {
   ProviderStatus,
   ProviderPaymentStatus,
   ProviderMethod,
-} from '@edr/types';
-import { AxiosError, AxiosRequestConfig } from 'axios';
-import { firstValueFrom } from 'rxjs';
-import * as crypto from 'node:crypto';
+} from "@edr/types";
+import { AxiosError, AxiosRequestConfig } from "axios";
+import { firstValueFrom } from "rxjs";
+import * as crypto from "node:crypto";
 
 interface EBirrInitiateRequest {
   merchantCode: string;
@@ -58,7 +58,9 @@ export class EBirrProvider implements PaymentProvider {
     private readonly http: HttpService,
   ) {}
 
-  async initiate(input: ProviderInitiationInput): Promise<ProviderInitiationResult> {
+  async initiate(
+    input: ProviderInitiationInput,
+  ): Promise<ProviderInitiationResult> {
     const amount = input.amountMinor / 100;
     const timestamp = Date.now();
 
@@ -70,7 +72,8 @@ export class EBirrProvider implements PaymentProvider {
       subject: `EDR Ticket`,
       body: `Order ${input.orderRef}`,
       notifyUrl: this.notifyUrl,
-      returnUrl: this.returnUrl,
+      // Per-transaction browser return target (each calling app has its own UI); config is fallback.
+      returnUrl: input.returnUrl ?? this.returnUrl,
       timestamp,
       sign: this.signRequest({
         merchantCode: this.merchantCode,
@@ -85,7 +88,7 @@ export class EBirrProvider implements PaymentProvider {
       requestBody,
     );
 
-    if (response.code !== '0000' || !response.data?.orderNo) {
+    if (response.code !== "0000" || !response.data?.orderNo) {
       throw new Error(`eBirr initiate failed: ${response.message}`);
     }
 
@@ -93,7 +96,7 @@ export class EBirrProvider implements PaymentProvider {
 
     return {
       providerOrderId: response.data.orderNo,
-      clientAction: { type: 'REDIRECT', url: response.data.payUrl },
+      clientAction: { type: "REDIRECT", url: response.data.payUrl },
       expiresAt,
       rawInitiation: {
         request: this.sanitize(requestBody),
@@ -120,7 +123,7 @@ export class EBirrProvider implements PaymentProvider {
       requestBody,
     );
 
-    if (response.code !== '0000' || !response.data) {
+    if (response.code !== "0000" || !response.data) {
       throw new Error(`eBirr query failed: ${response.message}`);
     }
 
@@ -129,20 +132,20 @@ export class EBirrProvider implements PaymentProvider {
     return {
       status: mapped,
       providerTxnId: response.data.tradeNo,
-      failureCode: mapped === ProviderPaymentStatus.FAILED ? response.data.tradeStatus : undefined,
+      failureCode:
+        mapped === ProviderPaymentStatus.FAILED
+          ? response.data.tradeStatus
+          : undefined,
       rawResponse: response as unknown as Record<string, unknown>,
     };
   }
 
   verifyWebhookSignature(payload: Record<string, unknown>): boolean {
     const { sign, ...data } = payload;
-    if (!sign || typeof sign !== 'string') return false;
+    if (!sign || typeof sign !== "string") return false;
 
     const expectedSign = this.signRequest(data);
-    return crypto.timingSafeEqual(
-      Buffer.from(sign),
-      Buffer.from(expectedSign),
-    );
+    return crypto.timingSafeEqual(Buffer.from(sign), Buffer.from(expectedSign));
   }
 
   mapWebhookStatus(tradeStatus: string): ProviderPaymentStatus {
@@ -151,17 +154,17 @@ export class EBirrProvider implements PaymentProvider {
 
   private mapStatus(tradeStatus: string): ProviderPaymentStatus {
     switch (tradeStatus?.toUpperCase()) {
-      case 'TRADE_SUCCESS':
-      case 'SUCCESS':
+      case "TRADE_SUCCESS":
+      case "SUCCESS":
         return ProviderPaymentStatus.SUCCEEDED;
-      case 'TRADE_CLOSED':
-      case 'TRADE_FAILED':
-      case 'FAILED':
+      case "TRADE_CLOSED":
+      case "TRADE_FAILED":
+      case "FAILED":
         return ProviderPaymentStatus.FAILED;
-      case 'WAIT_BUYER_PAY':
-      case 'PENDING':
+      case "WAIT_BUYER_PAY":
+      case "PENDING":
         return ProviderPaymentStatus.REQUIRES_ACTION;
-      case 'PROCESSING':
+      case "PROCESSING":
         return ProviderPaymentStatus.PROCESSING;
       default:
         return ProviderPaymentStatus.PROCESSING;
@@ -170,21 +173,21 @@ export class EBirrProvider implements PaymentProvider {
 
   private signRequest(data: Record<string, unknown>): string {
     const sortedKeys = Object.keys(data).sort();
-    const signString = sortedKeys
-      .map((key) => `${key}=${data[key]}`)
-      .join('&') + `&key=${this.secretKey}`;
+    const signString =
+      sortedKeys.map((key) => `${key}=${data[key]}`).join("&") +
+      `&key=${this.secretKey}`;
 
     return crypto
-      .createHash('md5')
+      .createHash("md5")
       .update(signString)
-      .digest('hex')
+      .digest("hex")
       .toUpperCase();
   }
 
   private async postJson<T>(url: string, body: unknown): Promise<T> {
     const config: AxiosRequestConfig = {
       headers: {
-        'Content-Type': 'application/json',
+        "Content-Type": "application/json",
       },
       timeout: 10_000,
     };
@@ -192,7 +195,9 @@ export class EBirrProvider implements PaymentProvider {
     const started = Date.now();
     try {
       const res = await firstValueFrom(this.http.post<T>(url, body, config));
-      this.logger.debug(`eBirr POST ${url} status=${res.status} latency=${Date.now() - started}ms`);
+      this.logger.debug(
+        `eBirr POST ${url} status=${res.status} latency=${Date.now() - started}ms`,
+      );
       return res.data;
     } catch (err) {
       if (err instanceof AxiosError) {
@@ -200,7 +205,9 @@ export class EBirrProvider implements PaymentProvider {
           `eBirr POST ${url} failed: status=${err.response?.status} body=${JSON.stringify(err.response?.data)}`,
         );
       } else {
-        this.logger.error(`eBirr POST ${url} threw: ${err instanceof Error ? err.message : err}`);
+        this.logger.error(
+          `eBirr POST ${url} threw: ${err instanceof Error ? err.message : err}`,
+        );
       }
       throw err;
     }
@@ -212,18 +219,18 @@ export class EBirrProvider implements PaymentProvider {
   }
 
   private get baseUrl(): string {
-    return this.config.get<string>('ebirr.baseUrl') ?? '';
+    return this.config.get<string>("ebirr.baseUrl") ?? "";
   }
   private get merchantCode(): string {
-    return this.config.get<string>('ebirr.merchantCode') ?? '';
+    return this.config.get<string>("ebirr.merchantCode") ?? "";
   }
   private get secretKey(): string {
-    return this.config.get<string>('ebirr.secretKey') ?? '';
+    return this.config.get<string>("ebirr.secretKey") ?? "";
   }
   private get notifyUrl(): string {
-    return this.config.get<string>('ebirr.notifyUrl') ?? '';
+    return this.config.get<string>("ebirr.notifyUrl") ?? "";
   }
   private get returnUrl(): string {
-    return this.config.get<string>('ebirr.returnUrl') ?? '';
+    return this.config.get<string>("ebirr.returnUrl") ?? "";
   }
 }

packages/payment-providers/src/providers/telebirr/telebirr.provider.ts

@@ -1,6 +1,6 @@
-import { Injectable, Logger } from '@nestjs/common';
-import { ConfigService } from '@nestjs/config';
-import { HttpService } from '@nestjs/axios';
+import { Injectable, Logger } from "@nestjs/common";
+import { ConfigService } from "@nestjs/config";
+import { HttpService } from "@nestjs/axios";
 import {
   PaymentProvider,
   ProviderInitiationInput,
@@ -8,22 +8,22 @@ import {
   ProviderStatus,
   ProviderPaymentStatus,
   ProviderMethod,
-} from '@edr/types';
-import { AxiosError, AxiosRequestConfig } from 'axios';
-import { firstValueFrom } from 'rxjs';
-import * as https from 'node:https';
+} from "@edr/types";
+import { AxiosError, AxiosRequestConfig } from "axios";
+import { firstValueFrom } from "rxjs";
+import * as https from "node:https";
 import {
   createNonceStr,
   createTimestamp,
   signRequestObject,
   verifyRequestObject,
-} from './telebirr.crypto';
+} from "./telebirr.crypto";
 import {
   CreateOrderRequest,
   CreateOrderResponse,
   FabricTokenResponse,
   QueryOrderResponse,
-} from './telebirr.types';
+} from "./telebirr.types";
 
 const TELEBIRR_HTTP_TIMEOUT_MS = 10_000;
 
@@ -37,17 +37,21 @@ export class TelebirrProvider implements PaymentProvider {
     private readonly config: ConfigService,
     private readonly http: HttpService,
   ) {
-    const insecure = this.config.get<boolean>('telebirr.insecureTls');
+    const insecure = this.config.get<boolean>("telebirr.insecureTls");
     if (insecure) {
-      this.logger.warn('TELEBIRR_INSECURE_TLS=true — TLS verification disabled for Telebirr calls. DEV ONLY.');
+      this.logger.warn(
+        "TELEBIRR_INSECURE_TLS=true — TLS verification disabled for Telebirr calls. DEV ONLY.",
+      );
     }
     this.httpsAgent = new https.Agent({
       rejectUnauthorized: !insecure,
-      secureProtocol: 'TLSv1_2_method',
+      secureProtocol: "TLSv1_2_method",
     });
   }
 
-  async initiate(input: ProviderInitiationInput): Promise<ProviderInitiationResult> {
+  async initiate(
+    input: ProviderInitiationInput,
+  ): Promise<ProviderInitiationResult> {
     const fabricToken = await this.applyFabricToken();
     const requestBody = this.buildCreateOrderRequest(input);
     const response = await this.requestCreateOrder(fabricToken, requestBody);
@@ -59,17 +63,19 @@ export class TelebirrProvider implements PaymentProvider {
       );
     }
 
-    const expiresAt = this.computeExpiresAt(requestBody.biz_content.timeout_express);
-    const platform = input.platform ?? 'web';
+    const expiresAt = this.computeExpiresAt(
+      requestBody.biz_content.timeout_express,
+    );
+    const platform = input.platform ?? "web";
     const clientAction =
-      platform === 'mobile'
+      platform === "mobile"
         ? {
-          type: 'LAUNCH_APP' as const,
-          appId: this.merchantAppId,
-          receiveCode: response.biz_content?.receiveCode,
-          shortCode: this.merchantCode,
-        }
-        : { type: 'REDIRECT' as const, url: this.buildCheckoutUrl(prepayId) };
+            type: "LAUNCH_APP" as const,
+            appId: this.merchantAppId,
+            receiveCode: response.biz_content?.receiveCode,
+            shortCode: this.merchantCode,
+          }
+        : { type: "REDIRECT" as const, url: this.buildCheckoutUrl(prepayId) };
 
     return {
       providerOrderId: prepayId,
@@ -89,8 +95,8 @@ export class TelebirrProvider implements PaymentProvider {
       `${this.baseUrl}/payment/v1/merchant/queryOrder`,
       requestBody,
       {
-        'Content-Type': 'application/json',
-        'X-APP-Key': this.fabricAppId,
+        "Content-Type": "application/json",
+        "X-APP-Key": this.fabricAppId,
         Authorization: fabricToken,
       },
     );
@@ -104,36 +110,40 @@ export class TelebirrProvider implements PaymentProvider {
       status: mapped,
       providerTxnId,
       failureCode:
-        mapped === ProviderPaymentStatus.FAILED && tradeStatus ? tradeStatus : undefined,
+        mapped === ProviderPaymentStatus.FAILED && tradeStatus
+          ? tradeStatus
+          : undefined,
       rawResponse: response as Record<string, unknown>,
     };
   }
 
   mapTradeStatus(tradeStatus: string | undefined): ProviderPaymentStatus {
     switch (tradeStatus) {
-      case 'PAY_SUCCESS':
+      case "PAY_SUCCESS":
         return ProviderPaymentStatus.SUCCEEDED;
-      case 'PAY_FAILED':
-      case 'ORDER_CLOSED':
+      case "PAY_FAILED":
+      case "ORDER_CLOSED":
         return ProviderPaymentStatus.FAILED;
-      case 'WAIT_PAY':
+      case "WAIT_PAY":
         return ProviderPaymentStatus.REQUIRES_ACTION;
-      case 'PAYING':
+      case "PAYING":
         return ProviderPaymentStatus.PROCESSING;
       default:
         return ProviderPaymentStatus.PROCESSING;
     }
   }
 
-  mapWebhookTradeStatus(tradeStatus: string | undefined): ProviderPaymentStatus {
+  mapWebhookTradeStatus(
+    tradeStatus: string | undefined,
+  ): ProviderPaymentStatus {
     switch (tradeStatus) {
-      case 'Completed':
+      case "Completed":
         return ProviderPaymentStatus.SUCCEEDED;
-      case 'Failure':
-      case 'Expired':
+      case "Failure":
+      case "Expired":
         return ProviderPaymentStatus.FAILED;
-      case 'Paying':
-      case 'Pending':
+      case "Paying":
+      case "Pending":
         return ProviderPaymentStatus.PROCESSING;
       default:
         return ProviderPaymentStatus.PROCESSING;
@@ -142,7 +152,9 @@ export class TelebirrProvider implements PaymentProvider {
 
   verifyWebhookSignature(payload: Record<string, unknown>): boolean {
     if (!this.publicKey) {
-      this.logger.error('TELEBIRR_PUBLIC_KEY not configured; rejecting all webhooks');
+      this.logger.error(
+        "TELEBIRR_PUBLIC_KEY not configured; rejecting all webhooks",
+      );
       return false;
     }
     return verifyRequestObject(payload, this.publicKey);
@@ -153,12 +165,14 @@ export class TelebirrProvider implements PaymentProvider {
       `${this.baseUrl}/payment/v1/token`,
       { appSecret: this.appSecret },
       {
-        'Content-Type': 'application/json',
-        'X-APP-Key': this.fabricAppId,
+        "Content-Type": "application/json",
+        "X-APP-Key": this.fabricAppId,
       },
     );
     if (!response?.token) {
-      throw new Error(`Telebirr token request failed: ${JSON.stringify(response)}`);
+      throw new Error(
+        `Telebirr token request failed: ${JSON.stringify(response)}`,
+      );
     }
     return response.token;
   }
@@ -171,51 +185,61 @@ export class TelebirrProvider implements PaymentProvider {
       `${this.baseUrl}/payment/v1/inapp/createOrder`,
       body,
       {
-        'Content-Type': 'application/json',
-        'X-APP-Key': this.fabricAppId,
+        "Content-Type": "application/json",
+        "X-APP-Key": this.fabricAppId,
         Authorization: fabricToken,
       },
     );
   }
 
-  private buildCreateOrderRequest(input: ProviderInitiationInput): CreateOrderRequest {
+  private buildCreateOrderRequest(
+    input: ProviderInitiationInput,
+  ): CreateOrderRequest {
     const totalAmount = String(input.amountMinor / 100);
     const req = {
       timestamp: createTimestamp(),
       nonce_str: createNonceStr(),
-      method: 'payment.preorder' as const,
-      version: '1.0' as const,
+      method: "payment.preorder" as const,
+      version: "1.0" as const,
       biz_content: {
         notify_url: this.notifyUrl,
         appid: this.merchantAppId,
         merch_code: this.merchantCode,
         merch_order_id: input.merchantOrderId,
-        trade_type: 'Checkout' as const,
+        trade_type: "Checkout" as const,
         title: `EDR ${input.orderRef}`,
         total_amount: totalAmount,
         trans_currency: input.currency,
         timeout_express: this.timeoutExpress,
-        redirect_url: input.redirectUrl
+        redirect_url: input.redirectUrl,
       },
     };
-    const sign = signRequestObject(req as unknown as Record<string, unknown>, this.privateKey);
-    return { ...req, sign, sign_type: 'SHA256WithRSA' };
+    const sign = signRequestObject(
+      req as unknown as Record<string, unknown>,
+      this.privateKey,
+    );
+    return { ...req, sign, sign_type: "SHA256WithRSA" };
   }
 
-  private buildQueryOrderRequest(merchantOrderId: string): Record<string, unknown> {
+  private buildQueryOrderRequest(
+    merchantOrderId: string,
+  ): Record<string, unknown> {
     const req = {
       timestamp: createTimestamp(),
       nonce_str: createNonceStr(),
-      method: 'payment.queryorder',
-      version: '1.0',
+      method: "payment.queryorder",
+      version: "1.0",
       biz_content: {
         appid: this.merchantAppId,
         merch_code: this.merchantCode,
         merch_order_id: merchantOrderId,
       },
     };
-    const sign = signRequestObject(req as Record<string, unknown>, this.privateKey);
-    return { ...req, sign, sign_type: 'SHA256WithRSA' };
+    const sign = signRequestObject(
+      req as Record<string, unknown>,
+      this.privateKey,
+    );
+    return { ...req, sign, sign_type: "SHA256WithRSA" };
   }
 
   private buildCheckoutUrl(prepayId: string): string {
@@ -233,27 +257,34 @@ export class TelebirrProvider implements PaymentProvider {
       `nonce_str=${map.nonce_str}`,
       `prepay_id=${map.prepay_id}`,
       `timestamp=${map.timestamp}`,
-      'sign_type=SHA256WithRSA',
+      "sign_type=SHA256WithRSA",
       `sign=${sign}`,
-      'version=1.0',
-      'trade_type=Checkout',
-    ].join('&');
+      "version=1.0",
+      "trade_type=Checkout",
+    ].join("&");
     return `${this.webBaseUrl}${rawRequest}`;
   }
 
   private computeExpiresAt(timeoutExpress: string): Date {
     const match = /^(\d+)([smhd])$/.exec(timeoutExpress);
-    const minutes = match ? this.toMinutes(parseInt(match[1], 10), match[2]) : 15;
+    const minutes = match
+      ? this.toMinutes(parseInt(match[1], 10), match[2])
+      : 15;
     return new Date(Date.now() + minutes * 60_000);
   }
 
   private toMinutes(n: number, unit: string): number {
     switch (unit) {
-      case 's': return Math.max(1, Math.round(n / 60));
-      case 'm': return n;
-      case 'h': return n * 60;
-      case 'd': return n * 60 * 24;
-      default: return 15;
+      case "s":
+        return Math.max(1, Math.round(n / 60));
+      case "m":
+        return n;
+      case "h":
+        return n * 60;
+      case "d":
+        return n * 60 * 24;
+      default:
+        return 15;
     }
   }
 
@@ -270,7 +301,9 @@ export class TelebirrProvider implements PaymentProvider {
     const started = Date.now();
     try {
       const res = await firstValueFrom(this.http.post<T>(url, body, config));
-      this.logger.debug(`Telebirr POST ${url} status=${res.status} latency=${Date.now() - started}ms`);
+      this.logger.debug(
+        `Telebirr POST ${url} status=${res.status} latency=${Date.now() - started}ms`,
+      );
       return res.data;
     } catch (err) {
       if (err instanceof AxiosError) {
@@ -278,7 +311,9 @@ export class TelebirrProvider implements PaymentProvider {
           `Telebirr POST ${url} failed: status=${err.response?.status} body=${JSON.stringify(err.response?.data)} code=${err.code} message=${err.message}`,
         );
       } else {
-        this.logger.error(`Telebirr POST ${url} threw: ${err instanceof Error ? err.message : err}`);
+        this.logger.error(
+          `Telebirr POST ${url} threw: ${err instanceof Error ? err.message : err}`,
+        );
       }
       throw err;
     }
@@ -289,14 +324,34 @@ export class TelebirrProvider implements PaymentProvider {
     return rest;
   }
 
-  private get baseUrl(): string { return this.config.get<string>('telebirr.baseUrl') ?? ''; }
-  private get webBaseUrl(): string { return this.config.get<string>('telebirr.webBaseUrl') ?? ''; }
-  private get fabricAppId(): string { return this.config.get<string>('telebirr.fabricAppId') ?? ''; }
-  private get appSecret(): string { return this.config.get<string>('telebirr.appSecret') ?? ''; }
-  private get merchantAppId(): string { return this.config.get<string>('telebirr.merchantAppId') ?? ''; }
-  private get merchantCode(): string { return this.config.get<string>('telebirr.merchantCode') ?? ''; }
-  private get notifyUrl(): string { return this.config.get<string>('telebirr.notifyUrl') ?? ''; }
-  private get timeoutExpress(): string { return this.config.get<string>('telebirr.timeoutExpress') ?? '15m'; }
-  private get privateKey(): string { return this.config.get<string>('telebirr.privateKey') ?? ''; }
-  private get publicKey(): string { return this.config.get<string>('telebirr.publicKey') ?? ''; }
+  private get baseUrl(): string {
+    return this.config.get<string>("telebirr.baseUrl") ?? "";
+  }
+  private get webBaseUrl(): string {
+    return this.config.get<string>("telebirr.webBaseUrl") ?? "";
+  }
+  private get fabricAppId(): string {
+    return this.config.get<string>("telebirr.fabricAppId") ?? "";
+  }
+  private get appSecret(): string {
+    return this.config.get<string>("telebirr.appSecret") ?? "";
+  }
+  private get merchantAppId(): string {
+    return this.config.get<string>("telebirr.merchantAppId") ?? "";
+  }
+  private get merchantCode(): string {
+    return this.config.get<string>("telebirr.merchantCode") ?? "";
+  }
+  private get notifyUrl(): string {
+    return this.config.get<string>("telebirr.notifyUrl") ?? "";
+  }
+  private get timeoutExpress(): string {
+    return this.config.get<string>("telebirr.timeoutExpress") ?? "15m";
+  }
+  private get privateKey(): string {
+    return this.config.get<string>("telebirr.privateKey") ?? "";
+  }
+  private get publicKey(): string {
+    return this.config.get<string>("telebirr.publicKey") ?? "";
+  }
 }

packages/payment-providers/src/providers/waafi/waafi.provider.ts

@@ -1,6 +1,6 @@
-import { Injectable, Logger } from '@nestjs/common';
-import { ConfigService } from '@nestjs/config';
-import { HttpService } from '@nestjs/axios';
+import { Injectable, Logger } from "@nestjs/common";
+import { ConfigService } from "@nestjs/config";
+import { HttpService } from "@nestjs/axios";
 import {
   PaymentProvider,
   ProviderInitiationInput,
@@ -8,111 +8,70 @@ import {
   ProviderStatus,
   ProviderPaymentStatus,
   ProviderMethod,
-} from '@edr/types';
-import { AxiosError, AxiosRequestConfig } from 'axios';
-import { firstValueFrom } from 'rxjs';
+} from "@edr/types";
+import { AxiosError, AxiosRequestConfig } from "axios";
+import { firstValueFrom } from "rxjs";
+import * as crypto from "node:crypto";
+import * as https from "node:https";
+import {
+  WaafiGetTranInfoRequest,
+  WaafiGetTranInfoResponse,
+  WaafiHppPurchaseRequest,
+  WaafiHppPurchaseResponse,
+} from "./waafi.types";
 
 const WAAFI_HTTP_TIMEOUT_MS = 10_000;
-
-interface WaafiInitiateRequest {
-  schemaVersion: string;
-  requestId: string;
-  timestamp: string;
-  channelName: string;
-  serviceName: string;
-  serviceParams: {
-    merchantUid: string;
-    apiUserId: string;
-    apiKey: string;
-    paymentMethod: string;
-    payerInfo: {
-      accountNo: string;
-    };
-    transactionInfo: {
-      referenceId: string;
-      invoiceId: string;
-      amount: number;
-      currency: string;
-      description: string;
-    };
-  };
-}
-
-interface WaafiInitiateResponse {
-  responseCode: string;
-  responseMsg: string;
-  params?: {
-    state: string;
-    referenceId: string;
-    transactionId: string;
-    checkoutUrl?: string;
-  };
-}
-
-interface WaafiQueryRequest {
-  schemaVersion: string;
-  requestId: string;
-  timestamp: string;
-  channelName: string;
-  serviceName: string;
-  serviceParams: {
-    merchantUid: string;
-    apiUserId: string;
-    apiKey: string;
-    transactionId?: string;
-    referenceId?: string;
-  };
-}
-
-interface WaafiQueryResponse {
-  responseCode: string;
-  responseMsg: string;
-  params?: {
-    state: string;
-    referenceId: string;
-    transactionId: string;
-    amount: number;
-    currency: string;
-    paidAmount?: number;
-  };
-}
+const WAAFI_SUCCESS_CODE = "2001";
+/** Waafi cancels an unprocessed HPP session after ~5 minutes (RCS_HPP_USERACTION_TIMEOUT). */
+const WAAFI_HPP_SESSION_MS = 5 * 60_000;
 
 @Injectable()
 export class WaafiProvider implements PaymentProvider {
   readonly method = ProviderMethod.WAAFI;
   private readonly logger = new Logger(WaafiProvider.name);
+  private readonly httpsAgent: https.Agent;
 
   constructor(
     private readonly config: ConfigService,
     private readonly http: HttpService,
-  ) {}
+  ) {
+    const insecure = this.config.get<boolean>("waafi.insecureTls");
+    if (insecure) {
+      this.logger.warn(
+        "WAAFI_INSECURE_TLS=true — TLS verification disabled for Waafi calls. DEV ONLY.",
+      );
+    }
+    this.httpsAgent = new https.Agent({ rejectUnauthorized: !insecure });
+  }
 
-  async initiate(input: ProviderInitiationInput): Promise<ProviderInitiationResult> {
-    const requestBody = this.buildInitiateRequest(input);
-    const response = await this.postJson<WaafiInitiateResponse>(
+  async initiate(
+    input: ProviderInitiationInput,
+  ): Promise<ProviderInitiationResult> {
+    const requestBody = this.buildPurchaseRequest(input);
+    const response = await this.postJson<WaafiHppPurchaseResponse>(
       `${this.baseUrl}/asm`,
       requestBody,
     );
 
-    if (response.responseCode !== '2001') {
+    if (response.responseCode !== WAAFI_SUCCESS_CODE) {
       throw new Error(
-        `Waafi initiate failed: ${response.responseCode} - ${response.responseMsg}`,
+        `Waafi HPP_PURCHASE failed: responseCode=${response.responseCode} errorCode=${response.errorCode} msg=${response.responseMsg}`,
       );
     }
 
-    const transactionId = response.params?.transactionId;
-    const checkoutUrl = response.params?.checkoutUrl || `${this.baseUrl}/checkout?ref=${transactionId}`;
-
-    if (!transactionId) {
-      throw new Error(`Waafi returned no transactionId: ${JSON.stringify(response)}`);
+    const checkoutUrl =
+      response.params?.hppUrl ?? response.params?.directPaymentLink;
+    const orderId = response.params?.orderId;
+    if (!checkoutUrl || !orderId) {
+      throw new Error(
+        `Waafi HPP_PURCHASE succeeded but returned no hppUrl/orderId: ${JSON.stringify(response)}`,
+      );
     }
 
-    const expiresAt = new Date(Date.now() + 15 * 60_000); // 15 minutes
-
     return {
-      providerOrderId: transactionId,
-      clientAction: { type: 'REDIRECT', url: checkoutUrl },
-      expiresAt,
+      providerOrderId: orderId,
+      clientAction: { type: "REDIRECT", url: checkoutUrl },
+      expiresAt: new Date(Date.now() + WAAFI_HPP_SESSION_MS),
       rawInitiation: {
         request: this.sanitize(requestBody),
         response,
@@ -121,114 +80,159 @@ export class WaafiProvider implements PaymentProvider {
   }
 
   async queryStatus(merchantOrderId: string): Promise<ProviderStatus> {
-    const requestBody = this.buildQueryRequest(merchantOrderId);
-    const response = await this.postJson<WaafiQueryResponse>(
+    const requestBody = this.buildGetTranInfoRequest(merchantOrderId);
+    const response = await this.postJson<WaafiGetTranInfoResponse>(
       `${this.baseUrl}/asm`,
       requestBody,
     );
 
-    const state = response.params?.state;
+    const rawState = response.params?.status ?? response.params?.tranStatusDesc;
     const transactionId = response.params?.transactionId;
-    const mapped = this.mapState(state);
+    const mapped = this.mapStatus(rawState);
 
     return {
       status: mapped,
       providerTxnId: transactionId,
-      failureCode: mapped === ProviderPaymentStatus.FAILED && state ? state : undefined,
+      failureCode:
+        mapped === ProviderPaymentStatus.FAILED && rawState
+          ? rawState
+          : undefined,
       rawResponse: response as unknown as Record<string, unknown>,
     };
   }
 
-  mapState(state: string | undefined): ProviderPaymentStatus {
-    switch (state) {
-      case 'APPROVED':
-      case 'SUCCESS':
+  /** Map a webhook `payment.status` to the shared status enum. */
+  mapWebhookStatus(status: string | undefined): ProviderPaymentStatus {
+    return this.mapStatus(status);
+  }
+
+  /**
+   * Verify an HMAC-SHA256 webhook signature.
+   *
+   * Signing string is `{timestamp}.{eventId}.{rawBody}` over the *raw* request body bytes — the
+   * caller must pass the unparsed body string. Returns false (never throws) on any mismatch so
+   * callers can treat verification as a boolean gate.
+   */
+  verifyWebhookSignature(
+    rawBody: string,
+    signature: string | undefined,
+    timestamp: string | undefined,
+    eventId: string | undefined,
+  ): boolean {
+    if (!this.webhookSecret) {
+      this.logger.error(
+        "WAAFI_WEBHOOK_SECRET not configured; rejecting all webhooks",
+      );
+      return false;
+    }
+    if (!signature || !timestamp || !eventId) {
+      this.logger.warn(
+        "Waafi webhook missing signature/timestamp/event-id headers",
+      );
+      return false;
+    }
+
+    const signingString = `${timestamp}.${eventId}.${rawBody}`;
+    const expected = crypto
+      .createHmac("sha256", this.webhookSecret)
+      .update(signingString)
+      .digest("hex");
+
+    const provided = Buffer.from(signature, "utf8");
+    const computed = Buffer.from(expected, "utf8");
+    if (provided.length !== computed.length) return false;
+    return crypto.timingSafeEqual(provided, computed);
+  }
+
+  private mapStatus(raw: string | undefined): ProviderPaymentStatus {
+    switch (raw?.toUpperCase()) {
+      case "APPROVED":
+      case "SUCCESS":
         return ProviderPaymentStatus.SUCCEEDED;
-      case 'FAILED':
-      case 'DECLINED':
-      case 'CANCELLED':
-      case 'EXPIRED':
+      case "CANCELED":
+      case "CANCELLED":
+        return ProviderPaymentStatus.CANCELLED;
+      case "DECLINED":
+      case "FAILED":
+      case "EXPIRED":
+      case "TIMEOUT":
         return ProviderPaymentStatus.FAILED;
-      case 'PENDING':
-      case 'INITIATED':
+      case "PENDING":
+      case "INITIATED":
         return ProviderPaymentStatus.REQUIRES_ACTION;
-      case 'PROCESSING':
-        return ProviderPaymentStatus.PROCESSING;
       default:
         return ProviderPaymentStatus.PROCESSING;
     }
   }
 
-  verifyWebhookSignature(payload: Record<string, unknown>): boolean {
-    // Waafi webhook signature verification
-    // Implementation depends on Waafi's webhook signature mechanism
-    const signature = payload.signature as string;
-    const apiKey = this.apiKey;
-
-    if (!signature || !apiKey) {
-      this.logger.error('Waafi webhook missing signature or API key not configured');
-      return false;
-    }
-
-    // TODO: Implement actual signature verification based on Waafi documentation
-    // For now, basic validation
-    return signature.length > 0;
-  }
-
-  private buildInitiateRequest(input: ProviderInitiationInput): WaafiInitiateRequest {
-    const amount = input.amountMinor / 100; // Convert minor units to major
-
+  private buildPurchaseRequest(
+    input: ProviderInitiationInput,
+  ): WaafiHppPurchaseRequest {
     return {
-      schemaVersion: '1.0',
-      requestId: this.generateRequestId(),
-      timestamp: new Date().toISOString(),
-      channelName: 'WEB',
-      serviceName: 'API_PURCHASE',
+      schemaVersion: "1.0",
+      requestId: crypto.randomUUID(),
+      timestamp: this.timestamp(),
+      channelName: "WEB",
+      serviceName: "HPP_PURCHASE",
       serviceParams: {
         merchantUid: this.merchantUid,
-        apiUserId: this.apiUserId,
-        apiKey: this.apiKey,
-        paymentMethod: 'MWALLET_ACCOUNT',
-        payerInfo: {
-          accountNo: 'CUSTOMER', // Customer enters their number on Waafi page
-        },
+        storeId: this.storeId,
+        hppKey: this.hppKey,
+        paymentMethod: this.paymentMethod,
+        // Browser bounce-back is per-transaction (each calling app has its own UI), so the
+        // caller-supplied URLs win; the static config is only a fallback. UX-only — the
+        // webhook remains the single source of truth for payment state.
+        hppSuccessCallbackUrl: input.returnUrl ?? this.successUrl,
+        hppFailureCallbackUrl: input.failureUrl ?? this.failureUrl,
+        hppRespDataFormat: this.respDataFormat,
+        // MWALLET_ACCOUNT requires the payer phone up front; omit if the caller did not supply it
+        // and let the hosted page collect it. See docs/waffi open question on payer-phone sourcing.
+        ...(input.payerAccount
+          ? { payerInfo: { subscriptionId: input.payerAccount } }
+          : {}),
         transactionInfo: {
           referenceId: input.merchantOrderId,
-          invoiceId: input.orderRef,
-          amount,
-          currency: input.currency === 'ETB' ? 'DJF' : input.currency, // Convert ETB to DJF
+          amount: this.toAmount(input.amountMinor),
+          // Waafi has no ETB; `waafi.currency` overrides the booking currency when set.
+          currency: this.currency || input.currency,
           description: `EDR ${input.orderRef}`,
         },
       },
     };
   }
 
-  private buildQueryRequest(merchantOrderId: string): WaafiQueryRequest {
+  private buildGetTranInfoRequest(
+    merchantOrderId: string,
+  ): WaafiGetTranInfoRequest {
     return {
-      schemaVersion: '1.0',
-      requestId: this.generateRequestId(),
-      timestamp: new Date().toISOString(),
-      channelName: 'WEB',
-      serviceName: 'API_QUERY',
+      schemaVersion: "1.0",
+      requestId: crypto.randomUUID(),
+      timestamp: this.timestamp(),
+      channelName: "WEB",
+      serviceName: "HPP_GETTRANINFO",
       serviceParams: {
         merchantUid: this.merchantUid,
-        apiUserId: this.apiUserId,
-        apiKey: this.apiKey,
+        storeId: this.storeId,
+        hppKey: this.hppKey,
         referenceId: merchantOrderId,
       },
     };
   }
 
-  private generateRequestId(): string {
-    return `EDR-${Date.now()}-${Math.random().toString(36).substring(2, 9)}`;
+  /** Convert integer minor units to a 2-decimal major amount (truncated, never rounded up). */
+  private toAmount(amountMinor: number): number {
+    return Math.trunc(amountMinor) / 100;
+  }
+
+  private timestamp(): string {
+    return Math.round(Date.now() / 1000).toString();
   }
 
   private async postJson<T>(url: string, body: unknown): Promise<T> {
     const config: AxiosRequestConfig = {
-      headers: {
-        'Content-Type': 'application/json',
-      },
+      headers: { "Content-Type": "application/json" },
       timeout: WAAFI_HTTP_TIMEOUT_MS,
+      httpsAgent: this.httpsAgent,
     };
 
     const started = Date.now();
@@ -252,24 +256,43 @@ export class WaafiProvider implements PaymentProvider {
     }
   }
 
-  private sanitize(body: WaafiInitiateRequest): Record<string, unknown> {
-    const sanitized = { ...body };
-    if (sanitized.serviceParams?.apiKey) {
-      sanitized.serviceParams.apiKey = '***REDACTED***';
-    }
-    return sanitized as unknown as Record<string, unknown>;
+  private sanitize(body: WaafiHppPurchaseRequest): Record<string, unknown> {
+    return {
+      ...body,
+      serviceParams: { ...body.serviceParams, hppKey: "***REDACTED***" },
+    };
   }
 
   private get baseUrl(): string {
-    return this.config.get<string>('waafi.baseUrl') ?? 'https://api.waafipay.net';
+    return (
+      this.config.get<string>("waafi.baseUrl") ?? "https://sandbox.waafipay.net"
+    );
   }
   private get merchantUid(): string {
-    return this.config.get<string>('waafi.merchantUid') ?? '';
+    return this.config.get<string>("waafi.merchantUid") ?? "";
   }
-  private get apiUserId(): string {
-    return this.config.get<string>('waafi.apiUserId') ?? '';
+  private get storeId(): string {
+    return this.config.get<string>("waafi.storeId") ?? "";
   }
-  private get apiKey(): string {
-    return this.config.get<string>('waafi.apiKey') ?? '';
+  private get hppKey(): string {
+    return this.config.get<string>("waafi.hppKey") ?? "";
+  }
+  private get webhookSecret(): string {
+    return this.config.get<string>("waafi.webhookSecret") ?? "";
+  }
+  private get paymentMethod(): string {
+    return this.config.get<string>("waafi.paymentMethod") ?? "MWALLET_ACCOUNT";
+  }
+  private get currency(): string {
+    return this.config.get<string>("waafi.currency") ?? "";
+  }
+  private get successUrl(): string {
+    return this.config.get<string>("waafi.successUrl") ?? "";
+  }
+  private get failureUrl(): string {
+    return this.config.get<string>("waafi.failureUrl") ?? "";
+  }
+  private get respDataFormat(): number {
+    return this.config.get<number>("waafi.respDataFormat") ?? 1;
   }
 }

packages/payment-providers/src/providers/waafi/waafi.types.ts

@@ -0,0 +1,103 @@
+/**
+ * WaafiPay (Hosted Payment Page) request/response types.
+ *
+ * WaafiPay multiplexes every operation through a single `POST /asm` endpoint, discriminated by
+ * `serviceName`. We use the HPP family (`HPP_PURCHASE`, `HPP_GETTRANINFO`) which returns a hosted
+ * redirect URL and supports webhooks — see docs/waffi/intro.md.
+ */
+
+/** Terminal/intermediate transaction states reported by Waafi (sync `state` / `HPP_GETTRANINFO`). */
+export type WaafiState =
+  | 'APPROVED'
+  | 'DECLINED'
+  | 'FAILED'
+  | 'CANCELED'
+  | 'EXPIRED'
+  | 'TIMEOUT'
+  | string;
+
+/** Common request envelope shared by every `/asm` call. */
+export interface WaafiRequestEnvelope<TServiceParams> {
+  schemaVersion: '1.0';
+  requestId: string;
+  timestamp: string;
+  channelName: 'WEB';
+  serviceName: string;
+  serviceParams: TServiceParams;
+}
+
+/** Common response envelope. `responseCode === '2001'` means the request was processed (not paid). */
+export interface WaafiResponseEnvelope<TParams> {
+  schemaVersion: string;
+  timestamp: string;
+  responseId: string;
+  responseCode: string;
+  errorCode: string;
+  responseMsg: string;
+  params?: TParams;
+}
+
+// --- HPP_PURCHASE -----------------------------------------------------------------------------
+
+export interface WaafiHppPurchaseServiceParams {
+  merchantUid: string;
+  storeId: string;
+  hppKey: string;
+  paymentMethod: string;
+  hppSuccessCallbackUrl: string;
+  hppFailureCallbackUrl: string;
+  /** Callback data format: 1 = POST, 2 = GET, 4 = Result Token. */
+  hppRespDataFormat: number;
+  /** Required for MWALLET_ACCOUNT — pre-fills (and locks) the payer's phone on the hosted page. */
+  payerInfo?: {
+    subscriptionId: string;
+  };
+  transactionInfo: {
+    referenceId: string;
+    amount: number;
+    currency: string;
+    description?: string;
+  };
+}
+
+export type WaafiHppPurchaseRequest = WaafiRequestEnvelope<WaafiHppPurchaseServiceParams>;
+
+export interface WaafiHppPurchaseParams {
+  hppUrl: string;
+  directPaymentLink?: string;
+  orderId: string;
+  referenceId: string;
+}
+
+export type WaafiHppPurchaseResponse = WaafiResponseEnvelope<WaafiHppPurchaseParams>;
+
+// --- HPP_GETTRANINFO --------------------------------------------------------------------------
+
+export interface WaafiGetTranInfoServiceParams {
+  merchantUid: string;
+  storeId: string;
+  hppKey: string;
+  /** Either the merchant referenceId or the Waafi transactionId may be supplied. */
+  referenceId?: string;
+  transactionId?: string;
+}
+
+export type WaafiGetTranInfoRequest = WaafiRequestEnvelope<WaafiGetTranInfoServiceParams>;
+
+export interface WaafiGetTranInfoParams {
+  tranStatusDesc?: string;
+  amount?: string;
+  payerId?: string;
+  paymentMethod?: string;
+  description?: string;
+  tranDate?: string;
+  currency?: string;
+  invoiceId?: string;
+  referenceId?: string;
+  tranAmount?: string;
+  transactionId?: string;
+  tranStatusId?: string;
+  status?: WaafiState;
+}
+
+export type WaafiGetTranInfoResponse = WaafiResponseEnvelope<WaafiGetTranInfoParams>;

packages/payment-providers/src/webhooks/waafi-webhook.types.ts

@@ -1,15 +1,66 @@
-export interface WaafiWebhookPayload {
-  schemaVersion: string;
-  requestId: string;
-  timestamp: string;
-  eventType: string;
-  params: {
-    state: string;
-    referenceId: string;
-    transactionId: string;
-    amount: number;
-    currency: string;
-    description?: string;
-  };
-  signature?: string;
+/**
+ * WaafiPay webhook payloads (HPP authorization / refund / test).
+ *
+ * Webhooks are HMAC-SHA256 signed over `{timestamp}.{event_id}.{raw_body}` except `webhook.test`,
+ * which is unsigned and only sent to validate endpoint reachability. See docs/waffi/intro.md.
+ */
+
+export type WaafiWebhookEvent = 'authorization' | 'refund' | 'webhook.test';
+
+export type WaafiWebhookStatus =
+  | 'APPROVED'
+  | 'FAILED'
+  | 'DECLINED'
+  | 'CANCELED'
+  | 'EXPIRED'
+  | 'TIMEOUT'
+  | string;
+
+/** Headers Waafi sends alongside signed webhooks (lowercased, as exposed by NestJS). */
+export interface WaafiWebhookHeaders {
+  'x-webhook-timestamp'?: string;
+  'x-webhook-event-id'?: string;
+  'x-webhook-signature'?: string;
+  'x-webhook-signature-alg'?: string;
 }
+
+/** Nested payment object present on `authorization` and `refund` events. */
+export interface WaafiWebhookPayment {
+  transaction_id: string;
+  /** Present on authorization events (optional). */
+  order_id?: string;
+  transfer_code: string;
+  amount: number;
+  currency: string;
+  /** Present on authorization events. */
+  payment_method?: string;
+  status: WaafiWebhookStatus;
+  /** Our merchantOrderId. */
+  reference_id: string;
+  /** Present on authorization events. */
+  channel?: string;
+  description?: string;
+  date: string;
+}
+
+/** Unsigned validation ping sent on webhook registration/update. */
+export interface WaafiWebhookTestPayload {
+  event: 'webhook.test';
+  message?: string;
+  merchant_uid: string;
+}
+
+/** Real transaction notification (authorization or refund). */
+export interface WaafiWebhookTransactionPayload {
+  event: 'authorization' | 'refund';
+  merchant_id: number;
+  merchant_uid: string;
+  user_id: string;
+  /** Authorization only. */
+  customer_identity?: string;
+  /** Authorization only (optional). */
+  cardholder_name?: string;
+  payment: WaafiWebhookPayment;
+}
+
+export type WaafiWebhookPayload = WaafiWebhookTestPayload | WaafiWebhookTransactionPayload;

packages/types/src/common/payments.ts

@@ -43,8 +43,17 @@ export interface ProviderInitiationInput {
   amountMinor: number;
   currency: string;
   platform?: PaymentPlatform;
-  returnUrl?: string
-  redirectUrl?: string
+  /**
+   * Payer account identifier (e.g. mobile-wallet MSISDN in full international format).
+   * Optional and provider-specific: some wallet providers (e.g. Waafi HPP with
+   * MWALLET_ACCOUNT) require the payer's phone number up front to pre-fill the hosted page.
+   */
+  payerAccount?: string;
+  /** Optional caller-supplied redirect targets for redirect/HPP-style providers. */
+  returnUrl?: string;
+  redirectUrl?: string;
+  /** Where the browser lands when the hosted page fails/cancels (UX only — never trusted). */
+  failureUrl?: string;
 }
 
 export interface ProviderInitiationResult {
@@ -67,3 +76,103 @@ export interface PaymentProvider {
   initiate(input: ProviderInitiationInput): Promise<ProviderInitiationResult>;
   queryStatus(merchantOrderId: string): Promise<ProviderStatus>;
 }
+
+/* ------------------------------------------------------------------------------------------------
+ * Payment microservice contracts (docs/payment-service)
+ *
+ * Shared shapes exchanged between the payment microservice (apps/edr-payment-api) and the
+ * domain apps (passenger/freight). Both sides import these so the wire format cannot drift.
+ * ---------------------------------------------------------------------------------------------- */
+
+/** Which domain app owns the order being paid for. Routing discriminator on every intent. */
+export enum PaymentService {
+  PASSENGER = "PASSENGER",
+  FREIGHT = "FREIGHT",
+}
+
+/** What kind of domain order the intent references (soft reference — never a cross-schema FK). */
+export enum PaymentReferenceType {
+  BOOKING = "BOOKING",
+  SHIPMENT = "SHIPMENT",
+}
+
+
+/** Body of `POST /payments/initiate` on the payment service (internal, service-authenticated). */
+export interface InitiatePaymentRequest {
+  service: PaymentService;
+  referenceType: PaymentReferenceType;
+  /** Domain order id (booking/shipment id). Soft reference; the app has already validated it. */
+  referenceId: string;
+  /** Human-readable order ref (e.g. booking ref) shown on provider pages. Defaults to referenceId. */
+  orderRef?: string;
+  /** App-asserted authoritative amount in minor units (computed server-side by the domain app). */
+  amountMinor: number;
+  currency: string;
+  provider: ProviderMethod;
+  platform?: PaymentPlatform;
+  payerAccount?: string;
+  /**
+   * Where the provider's hosted page sends the BROWSER back after success — each calling app
+   * passes its own UI URL (passenger portal vs freight portal). Per-transaction and UX-only:
+   * the redirect never confirms payment (only the webhook / status query does), so per-app
+   * values are safe even though the server-to-server webhook URL is one per merchant.
+   * Falls back to the payment service's provider config when omitted.
+   */
+  returnUrl?: string;
+  /** Failure/cancel counterpart of returnUrl. */
+  failureUrl?: string;
+  /** Optional caller key to dedupe retried initiations beyond the per-reference upsert. */
+  idempotencyKey?: string;
+}
+
+/** Response of `POST /payments/initiate` and shape of intent lookups. */
+export interface PaymentIntentSnapshot {
+  intentId: string;
+  service: PaymentService;
+  referenceType: PaymentReferenceType;
+  referenceId: string;
+  merchantOrderId: string;
+  provider: ProviderMethod;
+  status: ProviderPaymentStatus;
+  amountMinor: number;
+  currency: string;
+  clientAction?: ClientAction;
+  providerTxnId?: string;
+  paidAt?: string;
+  failureCode?: string;
+  failureMessage?: string;
+  expiresAt?: string;
+}
+
+export type PaymentEventType = "payment.succeeded" | "payment.failed";
+
+/** Versioned envelope delivered (at-least-once) to the owning app's mark-paid consumer. */
+interface PaymentEventBase {
+  version: 1;
+  /** Outbox row id — stable across redeliveries; consumers may use it as a dedupe key. */
+  eventId: string;
+  eventType: PaymentEventType;
+  occurredAt: string;
+  service: PaymentService;
+  intentId: string;
+  referenceType: PaymentReferenceType;
+  referenceId: string;
+  merchantOrderId: string;
+  provider: ProviderMethod;
+  amountMinor: number;
+  currency: string;
+}
+
+export interface PaymentSucceededEvent extends PaymentEventBase {
+  eventType: "payment.succeeded";
+  providerTxnId?: string;
+  paidAt: string;
+}
+
+export interface PaymentFailedEvent extends PaymentEventBase {
+  eventType: "payment.failed";
+  failureCode?: string;
+  failureMessage?: string;
+}
+
+export type PaymentEvent = PaymentSucceededEvent | PaymentFailedEvent;

pnpm-lock.yaml

@@ -392,9 +392,6 @@ importers:
 
   apps/edr-passenger-api:
     dependencies:
-      '@edr/payment-providers':
-        specifier: workspace:*
-        version: link:../../packages/payment-providers
       '@edr/types':
         specifier: workspace:*
         version: link:../../packages/types
@@ -672,6 +669,112 @@ importers:
         specifier: ^5.5.4
         version: 5.9.3
 
+  apps/edr-payment-api:
+    dependencies:
+      '@edr/api-common':
+        specifier: workspace:*
+        version: link:../../packages/api-common
+      '@edr/payment-providers':
+        specifier: workspace:*
+        version: link:../../packages/payment-providers
+      '@edr/types':
+        specifier: workspace:*
+        version: link:../../packages/types
+      '@nestjs/axios':
+        specifier: ^4.0.1
+        version: 4.0.1(@nestjs/common@11.1.24(class-transformer@0.5.1)(class-validator@0.14.4)(reflect-metadata@0.2.2)(rxjs@7.8.2))(axios@1.17.0)(rxjs@7.8.2)
+      '@nestjs/common':
+        specifier: ^11.0.0
+        version: 11.1.24(class-transformer@0.5.1)(class-validator@0.14.4)(reflect-metadata@0.2.2)(rxjs@7.8.2)
+      '@nestjs/config':
+        specifier: ^4.0.0
+        version: 4.0.4(@nestjs/common@11.1.24(class-transformer@0.5.1)(class-validator@0.14.4)(reflect-metadata@0.2.2)(rxjs@7.8.2))(rxjs@7.8.2)
+      '@nestjs/core':
+        specifier: ^11.0.0
+        version: 11.1.24(@nestjs/common@11.1.24(class-transformer@0.5.1)(class-validator@0.14.4)(reflect-metadata@0.2.2)(rxjs@7.8.2))(@nestjs/microservices@11.1.24)(@nestjs/platform-express@11.1.24)(reflect-metadata@0.2.2)(rxjs@7.8.2)
+      '@nestjs/platform-express':
+        specifier: ^11.0.0
+        version: 11.1.24(@nestjs/common@11.1.24(class-transformer@0.5.1)(class-validator@0.14.4)(reflect-metadata@0.2.2)(rxjs@7.8.2))(@nestjs/core@11.1.24)
+      '@nestjs/schedule':
+        specifier: ^6.0.0
+        version: 6.1.3(@nestjs/common@11.1.24(class-transformer@0.5.1)(class-validator@0.14.4)(reflect-metadata@0.2.2)(rxjs@7.8.2))(@nestjs/core@11.1.24)
+      '@nestjs/swagger':
+        specifier: ^11.4.2
+        version: 11.4.4(@nestjs/common@11.1.24(class-transformer@0.5.1)(class-validator@0.14.4)(reflect-metadata@0.2.2)(rxjs@7.8.2))(@nestjs/core@11.1.24)(class-transformer@0.5.1)(class-validator@0.14.4)(reflect-metadata@0.2.2)
+      '@nestjs/typeorm':
+        specifier: ^11.0.1
+        version: 11.0.1(@nestjs/common@11.1.24(class-transformer@0.5.1)(class-validator@0.14.4)(reflect-metadata@0.2.2)(rxjs@7.8.2))(@nestjs/core@11.1.24)(reflect-metadata@0.2.2)(rxjs@7.8.2)(typeorm@0.3.30(babel-plugin-macros@3.1.0)(pg@8.21.0)(ts-node@10.9.2(@types/node@20.19.42)(typescript@5.9.3)))
+      axios:
+        specifier: ^1.16.1
+        version: 1.17.0
+      class-transformer:
+        specifier: ^0.5.1
+        version: 0.5.1
+      class-validator:
+        specifier: ^0.14.1
+        version: 0.14.4
+      dotenv:
+        specifier: ^17.4.2
+        version: 17.4.2
+      pg:
+        specifier: ^8.13.0
+        version: 8.21.0
+      reflect-metadata:
+        specifier: ^0.2.2
+        version: 0.2.2
+      rxjs:
+        specifier: ^7.8.1
+        version: 7.8.2
+      typeorm:
+        specifier: 0.3.30
+        version: 0.3.30(babel-plugin-macros@3.1.0)(pg@8.21.0)(ts-node@10.9.2(@types/node@20.19.42)(typescript@5.9.3))
+    devDependencies:
+      '@edr/eslint-config':
+        specifier: workspace:*
+        version: link:../../packages/config/eslint-config
+      '@edr/tsconfig':
+        specifier: workspace:*
+        version: link:../../packages/config/tsconfig
+      '@nestjs/cli':
+        specifier: ^11.0.0
+        version: 11.0.21(@types/node@20.19.42)(prettier@3.8.3)
+      '@nestjs/schematics':
+        specifier: ^11.0.0
+        version: 11.1.0(chokidar@4.0.3)(prettier@3.8.3)(typescript@5.9.3)
+      '@nestjs/testing':
+        specifier: ^11.0.0
+        version: 11.1.24(@nestjs/common@11.1.24(class-transformer@0.5.1)(class-validator@0.14.4)(reflect-metadata@0.2.2)(rxjs@7.8.2))(@nestjs/core@11.1.24)(@nestjs/microservices@11.1.24)(@nestjs/platform-express@11.1.24)
+      '@types/express':
+        specifier: ^5.0.0
+        version: 5.0.6
+      '@types/jest':
+        specifier: ^29.5.13
+        version: 29.5.14
+      '@types/node':
+        specifier: ^20.14.0
+        version: 20.19.42
+      '@types/pg':
+        specifier: ^8.6.7
+        version: 8.20.0
+      jest:
+        specifier: ^29.7.0
+        version: 29.7.0(@types/node@20.19.42)(babel-plugin-macros@3.1.0)(ts-node@10.9.2(@types/node@20.19.42)(typescript@5.9.3))
+      ts-jest:
+        specifier: ^29.2.5
+        version: 29.4.11(@babel/core@7.29.7)(@jest/transform@29.7.0)(@jest/types@29.6.3)(babel-jest@29.7.0(@babel/core@7.29.7))(jest-util@29.7.0)(jest@29.7.0(@types/node@20.19.42)(babel-plugin-macros@3.1.0)(ts-node@10.9.2(@types/node@20.19.42)(typescript@5.9.3)))(typescript@5.9.3)
+      ts-loader:
+        specifier: ^9.5.1
+        version: 9.6.0(loader-utils@1.4.2)(typescript@5.9.3)(webpack@5.106.0)
+      ts-node:
+        specifier: ^10.9.2
+        version: 10.9.2(@types/node@20.19.42)(typescript@5.9.3)
+      tsconfig-paths:
+        specifier: ^4.2.0
+        version: 4.2.0
+      typescript:
+        specifier: ^5.5.4
+        version: 5.9.3
+
   packages/api-common:
     dependencies:
       '@edr/types':