add indexer info to /status endpoint

accounts/status.js

@@ -4,8 +4,12 @@
  */
 'use strict'
 
+const network = require('../lib/bitcoin/network')
+const keys = require('../keys')[network.key]
 const util = require('../lib/util')
+const Logger = require('../lib/logger')
 const db = require('../lib/db/mysql-db-wrapper')
+const remote = require('../lib/remote-importer/remote-importer')
 
 
 /**
@@ -32,8 +36,31 @@ class Status {
     const memory = `${util.toMb(process.memoryUsage().rss)} MiB`
 
     // Get highest block processed by the tracker
-    const highest = await db.getHighestBlock()
-    const dbMaxHeight = highest.blockHeight
+    let dbMaxHeight = null
+    try {
+      const highest = await db.getHighestBlock()
+      dbMaxHeight = highest.blockHeight
+    } catch(e) {
+      Logger.error(e, 'API : Status.getCurrent() :')
+    }
+
+    // Get info about the indexer
+    const indexerType = keys.indexer.active
+    let indexerMaxHeight = null
+    let indexerUrl = null
+
+    if (indexerType == 'third_party_explorer') {
+      indexerUrl = (network.key == 'bitcoin')
+        ? keys.indexer.oxt
+        : keys.indexer.esplora
+    }
+
+    try {
+       const chaintip = await remote.getChainTipHeight()
+       indexerMaxHeight = chaintip['chainTipHeight']
+    } catch(e) {
+      Logger.error(e, 'API : Status.getCurrent() :')
+    }
 
     return {
       uptime: uptime,
@@ -43,7 +70,12 @@ class Status {
         sessions: this.sessions,
         max: this.maxConn
       },
-      blocks: dbMaxHeight
+      blocks: dbMaxHeight,
+      indexer: {
+        type: indexerType,
+        url: indexerUrl,
+        maxHeight: indexerMaxHeight
+      }
     }
   }
 

lib/remote-importer/oxt-wrapper.js

@@ -33,7 +33,10 @@ class OxtWrapper extends Wrapper {
       url: `${this.base}${route}`,
       method: 'GET',
       json: true,
-      timeout: 15000
+      timeout: 15000,
+      headers: {
+        'User-Agent': 'Dojo'
+      }
     }
 
     // Sets socks proxy agent if required