Checking bitcoind version

lib/HistoricSync.js

@@ -24,6 +24,7 @@ var PERCENTAGE_TO_START_FROM_RPC = 0.96;
 var BAD_GEN_ERROR = 'Bad genesis block. Network mismatch between Insight and bitcoind? Insight is configured for:';
 
 var BAD_GEN_ERROR_DB = 'Bad genesis block. Network mismatch between Insight and levelDB? Insight is configured for:';
+
 function HistoricSync(opts) {
   opts = opts || {};
   this.shouldBroadcast = opts.shouldBroadcastSync;
@@ -36,13 +37,33 @@ function HistoricSync(opts) {
   this.genesis = genesisHashReversed.toString('hex');
 
   var bitcore = require('bitcore');
+
+
   var RpcClient = bitcore.RpcClient;
 
   this.rpc = new RpcClient(config.bitcoind);
+
+  if (this.checkBitcoinCoreVersion) {
+    console.log('-------------------------------------------------------');
+    console.log('- Bitcoin Core version is greater or equal than 10.99 -');
+    console.log('-------------------------------------------------------');
+  }
+
   this.sync = new Sync(opts);
   this.height = 0;
 }
 
+HistoricSync.prototype.checkBitcoinCoreVersion = function() {
+  var self = this;
+  self.rpc.getInfo(function(err, info) {
+    if (err) {
+      console.log('ERROR ', err);
+      process.exit(-1);
+    };
+    return info.result.version >= 109900;
+  });
+};
+
 HistoricSync.prototype.showProgress = function() {
   var self = this;
 
@@ -118,8 +139,7 @@ HistoricSync.prototype.getBlockFromRPC = function(cb) {
         self.network.genesisBlock.prev_hash.toString('hex');
 
       self.currentRpcHash = blockInfo.nextblockhash;
-    }
+    } else {
-    else {
       blockInfo = null;
     }
     return cb(null, blockInfo);
@@ -204,8 +224,7 @@ HistoricSync.prototype.updateStartBlock = function(opts, next) {
         return next(err);
       }
     });
-  }
+  } else {
-  else {
     self.sync.bDb.getTip(function(err, tip, height) {
       if (!tip) return next();
 
@@ -235,8 +254,7 @@ HistoricSync.prototype.updateStartBlock = function(opts, next) {
           if (self.blockChainHeight === blockInfo.height ||
             blockInfo.confirmations > 0) {
             ret = false;
-          }
+          } else {
-          else {
             oldtip = tip;
             if (!tip)
               throw new Error('Previous blockchain tip was not found on bitcoind. Please reset Insight DB. Tip was:' + tip)
@@ -324,8 +342,7 @@ HistoricSync.prototype.showSyncStartMessage = function() {
   if (self.blockExtractor) {
     info('bitcoind dataDir configured...importing blocks from .dat files');
     info('First file index: ' + self.blockExtractor.currentFileIndex);
-  }
+  } else {
-  else {
     info('syncing from RPC (slow)');
   }
 
@@ -366,6 +383,7 @@ HistoricSync.prototype.prepareToSync = function(opts, next) {
 
   self.status = 'starting';
   async.series([
+
       function(s_c) {
         self.checkDBVersion(s_c);
       },
@@ -423,8 +441,7 @@ HistoricSync.prototype.start = function(opts, next) {
                 return w_cb(err);
               });
             });
-          }
+          } else {
-          else {
             self.endTs = Date.now();
             self.status = 'finished';
             var info = self.info();