From a76a5e7730531236e79913ef97c6222c55fd6d79 Mon Sep 17 00:00:00 2001
From: oladosu paul <oladosupaul2@gmail.com>
Date: Fri, 20 Feb 2026 02:34:55 +0100
Subject: [PATCH] Revert "feat: implement IndexerService for InvoiceMinted
 events"

---
 .env.example           | 10 ------
 src/app.module.ts      |  3 +-
 src/indexer.service.ts | 82 ------------------------------------------
 3 files changed, 1 insertion(+), 94 deletions(-)
 delete mode 100644 src/indexer.service.ts

diff --git a/.env.example b/.env.example
index 677b8f0..e69de29 100644
--- a/.env.example
+++ b/.env.example
@@ -1,10 +0,0 @@
-# Stellar Configuration
-STELLAR_HORIZON_URL=https://horizon-testnet.stellar.org
-CONTRACT_ID=CCYU3LOQI34VHVN3ZOSEBHHKL4YK36FMTOEGLRYDUDRGS7JOLLRKCEQM
-
-# Database Configuration (existing)
-DB_HOST=localhost
-DB_PORT=5432
-DB_USERNAME=postgres
-DB_PASSWORD=password
-DB_DATABASE=tradeflow
\ No newline at end of file
diff --git a/src/app.module.ts b/src/app.module.ts
index a51a0b4..66490a7 100644
--- a/src/app.module.ts
+++ b/src/app.module.ts
@@ -2,11 +2,10 @@ import { Module } from '@nestjs/common';
 import { AppController } from './app.controller';
 import { AppService } from './app.service';
 import { HealthModule } from './health/health.module';
-import { IndexerService } from './indexer.service';
 
 @Module({
   imports: [HealthModule],
   controllers: [AppController],
-  providers: [AppService, IndexerService],
+  providers: [AppService],
 })
 export class AppModule {}
diff --git a/src/indexer.service.ts b/src/indexer.service.ts
deleted file mode 100644
index f6aaa8c..0000000
--- a/src/indexer.service.ts
+++ /dev/null
@@ -1,82 +0,0 @@
-import { Injectable, OnModuleInit } from '@nestjs/common';
-import { Server } from '@stellar/stellar-sdk';
-
-@Injectable()
-export class IndexerService implements OnModuleInit {
-  private server: Server;
-  private readonly POLLING_INTERVAL = 5000; // 5 seconds
-  private readonly CONTRACT_ID = process.env.CONTRACT_ID || '';
-  private readonly INVOICE_MINTED_TOPIC = 'InvoiceMinted';
-
-  constructor() {
-    // Initialize Stellar server (using testnet by default, can be configured via env)
-    this.server = new Server(
-      process.env.STELLAR_HORIZON_URL || 'https://horizon-testnet.stellar.org'
-    );
-  }
-
-  async onModuleInit() {
-    console.log('IndexerService starting...');
-    
-    if (!this.CONTRACT_ID) {
-      console.warn('CONTRACT_ID not set in environment variables');
-      return;
-    }
-
-    // Start polling for events
-    this.startPolling();
-  }
-
-  private startPolling() {
-    console.log(`Starting to poll for ${this.INVOICE_MINTED_TOPIC} events from contract ${this.CONTRACT_ID}`);
-    
-    setInterval(async () => {
-      try {
-        await this.pollForEvents();
-      } catch (error) {
-        console.error('Error polling for events:', error);
-      }
-    }, this.POLLING_INTERVAL);
-  }
-
-  private async pollForEvents() {
-    try {
-      // Get events from the Stellar server
-      const events = await this.server.getEvents({
-        contract: this.CONTRACT_ID,
-        topics: [[this.INVOICE_MINTED_TOPIC]],
-      });
-
-      if (events.records.length > 0) {
-        console.log(`Found ${events.records.length} events`);
-        
-        for (const event of events.records) {
-          this.processInvoiceMintedEvent(event);
-        }
-      }
-    } catch (error) {
-      console.error('Error fetching events:', error);
-    }
-  }
-
-  private processInvoiceMintedEvent(event: any) {
-    try {
-      // Extract event data
-      const eventData = event.value;
-      
-      // Assuming the event structure contains invoice_id and amount
-      // This may need adjustment based on actual event structure
-      const invoiceId = eventData.invoice_id || eventData.invoiceId || 'N/A';
-      const amount = eventData.amount || 'N/A';
-
-      console.log(`InvoiceMinted Event Detected:`);
-      console.log(`  - Invoice ID: ${invoiceId}`);
-      console.log(`  - Amount: ${amount}`);
-      console.log(`  - Transaction Hash: ${event.transaction_hash}`);
-      console.log(`  - Timestamp: ${event.created_at}`);
-      console.log('---');
-    } catch (error) {
-      console.error('Error processing InvoiceMinted event:', error);
-    }
-  }
-}