Merge pull request #373 from braydonf/statusinfo

Added handlers for getting status of the block chain.

lib/status.js

@@ -13,14 +13,14 @@ StatusController.prototype.show = function(req, res) {
       res.jsonp(this.getDifficulty());
       break;
     case 'getTxOutSetInfo':
-      // TODO
+      res.jsonp(this.getTxOutSetInfo());
-      // break;
+      break;
     case 'getLastBlockHash':
-      // TODO
+      res.jsonp(this.getLastBlockHash());
-      // break;
+      break;
     case 'getBestBlockHash':
-      // TODO
+      res.jsonp(this.getBestBlockHash());
-      // break;
+      break;
     case 'getInfo':
     default:
       res.jsonp(this.getInfo());
@@ -34,6 +34,35 @@ StatusController.prototype.getInfo = function() {
   };
 };
 
+StatusController.prototype.getTxOutSetInfo = function() {
+  var hash = this.node.services.bitcoind.getBestBlockHash();
+  if (hash === this.lastTxOutSetInfo) {
+    return {
+      txoutsetinfo: this.txOutSetInfo
+    };
+  }
+  this.txOutSetInfo = this.node.services.bitcoind.getTxOutSetInfo();
+  this.lastTxOutSetInfo = this.txOutSetInfo.bestblock;
+  return {
+    txoutsetinfo: this.txOutSetInfo
+  };
+};
+
+StatusController.prototype.getLastBlockHash = function() {
+  var hash = this.node.services.db.tip.hash;
+  return {
+    syncTipHash: hash,
+    lastblockhash: hash
+  };
+};
+
+StatusController.prototype.getBestBlockHash = function() {
+  var hash = this.node.services.bitcoind.getBestBlockHash();
+  return {
+    bestblockhash: hash
+  };
+};
+
 StatusController.prototype.getDifficulty = function() {
   var info = this.node.services.bitcoind.getInfo();
   return {
@@ -73,6 +102,6 @@ StatusController.prototype.version = function(req, res) {
   res.jsonp({
     version: pjson.version
   });
-}
+};
 
 module.exports = StatusController;

test/status.js

@@ -18,10 +18,27 @@ describe('Status', function() {
       errors: ''
     };
 
+    var outSetInfo = {
+      height: 151,
+      bestblock: '20b6cc0600037171b8bb634bbd04ea754945be44db8d9199b74798f1abdb382d',
+      transactions: 151,
+      txouts: 151,
+      bytes_serialized: 10431,
+      hash_serialized: 'c165d5dcb22a897745ee2ee274b47133b995bbcf8dd4a7572fedad87541c7df8',
+      total_amount: 750000000000
+    };
+
     var node = {
       services: {
         bitcoind: {
-          getInfo: sinon.stub().returns(info)
+          getInfo: sinon.stub().returns(info),
+          getTxOutSetInfo: sinon.stub().returns(outSetInfo),
+          getBestBlockHash: sinon.stub().returns(outSetInfo.bestblock)
+        },
+        db: {
+          tip: {
+            hash: outSetInfo.bestblock
+          }
         }
       }
     };
@@ -64,6 +81,69 @@ describe('Status', function() {
 
       status.show(req, res);
     });
+
+    it('getTxOutSetInfo', function(done) {
+      var req = {
+        query: {
+          q: 'getTxOutSetInfo'
+        }
+      };
+      var res = {
+        jsonp: function(data) {
+          data.txoutsetinfo.should.equal(outSetInfo);
+          done();
+        }
+      };
+      status.show(req, res);
+    });
+
+    it('getTxOutSetInfo (cached)', function(done) {
+      var req = {
+        query: {
+          q: 'getTxOutSetInfo'
+        }
+      };
+      var res = {
+        jsonp: function(data) {
+          data.txoutsetinfo.should.equal(outSetInfo);
+          done();
+        }
+      };
+      status.node.services.bitcoind.getTxOutSetInfo.callCount.should.equal(1);
+      status.show(req, res);
+    });
+
+    it('getBestBlockHash', function(done) {
+      var req = {
+        query: {
+          q: 'getBestBlockHash'
+        }
+      };
+      var res = {
+        jsonp: function(data) {
+          data.bestblockhash.should.equal(outSetInfo.bestblock);
+          done();
+        }
+      };
+      status.show(req, res);
+    });
+
+    it('getLastBlockHash', function(done) {
+      var req = {
+        query: {
+          q: 'getLastBlockHash'
+        }
+      };
+      var res = {
+        jsonp: function(data) {
+          data.syncTipHash.should.equal(outSetInfo.bestblock);
+          data.lastblockhash.should.equal(outSetInfo.bestblock);
+          done();
+        }
+      };
+      status.show(req, res);
+    });
+
   });
 
   describe('/sync', function() {