Add errors for block header undefined results

lib/blocks.js

@@ -79,7 +79,8 @@ BlockController.prototype.block = function(req, res, next) {
     self._block.getBlock(hash, function(err, block) {
       if (err) {
         return self.common.handleErrors(err, res);
-      } else if (!block) {
+      }
+      if (!block) {
         return self.common.handleErrors(new Error('block not in index'), res);
       }
 
@@ -88,7 +89,16 @@ BlockController.prototype.block = function(req, res, next) {
           return self.common.handleErrors(err, res);
         }
 
+        if (!info) {
+          return self.common.handleErrors(new Error('block header info undefined'), res)
+        }
+
         var blockResult = self.transformBlock(block, info);
+
+        if (!blockResult) {
+          return self.common.handleErrors(new Error('blockResult from transformBlock undefined'), res)
+        }
+
         if (blockResult.confirmations >= self.blockCacheConfirmations) {
           self.blockCache.set(hash, blockResult);
         }
@@ -134,6 +144,9 @@ BlockController.prototype._normalizePrevHash = function(hash) {
 };
 
 BlockController.prototype.transformBlock = function(block, info) {
+  if (!block || !info){
+    return undefined;
+  }
 
   var transactionIds = block.txs.map(function(tx) {
     return tx.txid();

package.json

@@ -1,7 +1,7 @@
 {
   "name": "flosight-api",
   "description": "A Florincoin blockchain REST and web socket API service for Flocore Node.",
-  "version": "5.0.0-beta.66",
+  "version": "5.0.0-beta.67",
   "repository": "git://github.com/bitpay/flosight-api.git",
   "bugs": {
     "url": "https://github.com/bitpay/flosight-api/issues"