feat: complete cmpp gateway delivery recovery workflows

api/src/send-chain/gateway-events.controller.ts

@@ -3,7 +3,10 @@ import { ApiTags } from '@nestjs/swagger';
 import {
   GatewayInboundAuthDto,
   GatewayInboundSubmitDto,
+  GatewayPendingDeliveryQueryDto,
+  GatewayDownstreamRecoveryStatusDto,
   GatewayReceiptEventDto,
+  GatewaySubmitDeadLetterDto,
   GatewaySubmitResultDto,
   GatewayUplinkEventDto,
   SendChainService,
@@ -29,6 +32,11 @@ export class GatewayEventsController {
     return this.sendChain.handleUplink(body);
   }
 
+  @Post('dead-letter')
+  deadLetter(@Body() body: GatewaySubmitDeadLetterDto) {
+    return this.sendChain.recordGatewaySubmitDeadLetter(body);
+  }
+
   @Post('inbound/authenticate')
   authenticateInbound(@Body() body: GatewayInboundAuthDto) {
     return this.sendChain.authenticateInboundApplication(body);
@@ -38,4 +46,24 @@ export class GatewayEventsController {
   submitInbound(@Body() body: GatewayInboundSubmitDto) {
     return this.sendChain.submitInboundMessage(body);
   }
+
+  @Post('downstream/pending')
+  pendingDownstream(@Body() body: GatewayPendingDeliveryQueryDto) {
+    return this.sendChain.listPendingDownstreamDeliveries(body);
+  }
+
+  @Post('downstream/delivered')
+  downstreamDelivered(@Body() body: { id: string }) {
+    return this.sendChain.markDownstreamDeliveryDelivered(body.id);
+  }
+
+  @Post('downstream/failed')
+  downstreamFailed(@Body() body: { id: string; errorMessage?: string }) {
+    return this.sendChain.markDownstreamDeliveryFailed(body.id, body.errorMessage);
+  }
+
+  @Post('downstream/recovery-status')
+  downstreamRecoveryStatus(@Body() body: GatewayDownstreamRecoveryStatusDto) {
+    return this.sendChain.recordGatewayDownstreamRecoveryStatus(body);
+  }
 }