bugs fix and add more testing

Author: Johnaverse

index.js

@@ -2,7 +2,7 @@ import Fastify from 'fastify';
 import cors from '@fastify/cors';
 import rateLimit from '@fastify/rate-limit';
 import helmet from '@fastify/helmet';
-import { loadData, getCachedData, searchChains, getChainById, getAllChains, getAllRelations, getRelationsById, getEndpointsById, getAllEndpoints } from './dataService.js';
+import { loadData, getCachedData, searchChains, getChainById, getAllChains, getAllRelations, getRelationsById, getEndpointsById, getAllEndpoints, validateChainData } from './dataService.js';
 import { getMonitoringResults, getMonitoringStatus, startRpcHealthCheck } from './rpcMonitor.js';
 import {
   PORT, HOST, BODY_LIMIT, MAX_PARAM_LENGTH,
@@ -277,6 +277,19 @@ export async function buildApp(options = {}) {
     }
   });
 
+  /**
+   * Validate chain data for potential human errors
+   */
+  fastify.get('/validate', async (_request, reply) => {
+    const validationResults = validateChainData();
+
+    if (validationResults.error) {
+      return sendError(reply, 503, validationResults.error);
+    }
+
+    return validationResults;
+  });
+
   /**
    * Get RPC monitoring results
    */
@@ -339,6 +352,7 @@ export async function buildApp(options = {}) {
         '/slip44': 'Get all SLIP-0044 coin types as JSON',
         '/slip44/:coinType': 'Get specific SLIP-0044 coin type by ID',
         '/reload': 'Reload data from sources (POST)',
+        '/validate': 'Validate chain data for potential human errors',
         '/rpc-monitor': 'Get RPC endpoint monitoring results',
         '/rpc-monitor/:id': 'Get RPC monitoring results for a specific chain by ID'
       },