block test: list of hashes by date

README.md

@@ -18,7 +18,6 @@ $ npm install -g bower
 
 ## Additional Packages
 * Express - Defined as npm module in the [package.json](package.json) file.
-* Mongoose - Defined as npm module in the [package.json](package.json) file.
 * AngularJS - Defined as bower module in the [bower.json](bower.json) file.
 * Twitter Bootstrap - Defined as bower module in the [bower.json](bower.json) file.
 * UI Bootstrap - Defined as bower module in the [bower.json](bower.json) file.
@@ -55,13 +54,15 @@ $ npm install -g bower
 
     http://localhost:3000
 
-  If you get an error, please check the next section "Post-install"
-
 ## Syncing old blockchain data
 
-  Run sync from insight repository (to save old blocks and transactions in MongoDB):
+  Run sync from insight repository (to save old blocks and transactions in
+  LevelDB):
 
-    $ utils/sync.js
+  Create folders:
+    
+    $ mkdir -p db/blocks
+    $ utils/sync.js -S
 
   Check utils/sync.js --help for options.
 

lib/BlockDb.js

@@ -129,6 +129,28 @@ function spec() {
     });
   };
 
+  BlockDb.prototype.getBlocksByDate = function(start_ts, end_ts, cb) {
+    var self = this;
+    var list = [];
+    this.db.createReadStream({ 
+      start: TIMESTAMP_ROOT + start_ts,
+      end: TIMESTAMP_ROOT + end_ts
+    })
+      .on('data', function (data) {
+        list.push({
+          ts: data.key.replace(TIMESTAMP_ROOT, ''),
+          hash: data.value,
+          info: {}
+        });
+      })
+      .on('error', function (err) {
+        return cb(err);
+      })
+      .on('end', function () {
+        return cb(null, list);
+      });
+  };
+
   BlockDb.blockIndex = function(height, cb) {
     var rpc  = new RpcClient(config.bitcoind);
     rpc.getBlockHash(height, function(err, bh){

test/integration/blocklist.js

@@ -0,0 +1,28 @@
+#!/usr/bin/env node
+'use strict';
+
+process.env.NODE_ENV = process.env.NODE_ENV || 'development';
+
+var TESTING_BLOCK = '00000000b7cc12abe8a9a604813aab1f2c4f3a242a021065be52393a147a1a86';
+var START_TS = '1391538611';
+var END_TS = '1391538638';
+
+var
+  assert  = require('assert'),
+  config      = require('../../config/config'),
+  BlockDb     = require('../../lib/BlockDb').class();
+
+describe('BlockDb getHashes', function(){
+
+  var bdb = new BlockDb();
+  it('Get Hash by Date', function(done) {
+
+    bdb.getBlocksByDate(START_TS, END_TS, function(err, list) {
+      if (err) done(err);
+      assert.equal(list[0].ts, START_TS);
+      assert.equal(list[0].hash, TESTING_BLOCK);
+      done();
+    });
+  });
+});
+