Added batch query support, plus a bit more information to some queries

Author: LefterisJP

app/controllers/blocks.js

@@ -4,26 +4,42 @@
  * Module dependencies.
  */
 var common = require('./common');
+var multi       = common.multi;
 var async = require('async');
 var bdb = require('../../lib/BlockDb').default();
 var tdb = require('../../lib/TransactionDb').default();
 
 /**
  * Find block by hash ...
  */
-exports.block = function(req, res, next, hash) {
+exports.block = multi(function(hash, cb) {
   bdb.fromHashWithInfo(hash, function(err, block) {
     if (err || !block)
       return common.handleErrors(err, res, next);
     else {
       tdb.getPoolInfo(block.info.tx[0], function(info) {
         block.info.poolInfo = info;
-        req.block = block.info;
-        return next();
+	cb(null, block.info);
       });
     }
   });
-};
+}, 'block');
+
+
+/**
+ * Find block header by hash ...
+ */
+exports.blockHeader = multi(function(hash, cb) {
+  bdb.fromHashWithInfo(hash, function(err, block) {
+    if (err || !block)
+      return common.handleErrors(err, res, next);
+    else {
+      delete block.info.tx;
+      cb(null, block.info);
+    }
+  });
+}, 'block');
+
 
 
 /**
@@ -35,19 +51,50 @@ exports.show = function(req, res) {
   }
 };
 
+/**
+ * Show block hash
+ */
+exports.showBlockHash = function(req, res) {
+  if (req.blockHash) {
+    res.jsonp(req.blockHash);
+  }
+};
+
 /**
  * Show block by Height
  */
-exports.blockindex = function(req, res, next, height) {
+exports.blockIndex = multi(function(height, cb) {
   bdb.blockIndex(height, function(err, hashStr) {
     if (err) {
       console.log(err);
-      res.status(400).send('Bad Request'); // TODO
+      cb('Bad Request'); // TODO
     } else {
-      res.jsonp(hashStr);
+      cb(null, hashStr);
     }
   });
-};
+}, 'blockHash');
+
+
+/**
+ * Show block header by Height
+ */
+exports.blockHeaderByIndex = multi(function(height, cb) {
+  bdb.blockIndex(height, function(err, hashStr) {
+    if (err) {
+      console.log(err);
+      cb('Bad Request');
+    } else {
+      bdb.fromHashWithInfo(hashStr.blockHash, function(err, block) {
+        if (err || !block)
+          cb(err);
+        else {
+          delete block.info.tx;
+          cb(null, block.info);
+        }
+      });
+    }
+  });
+}, 'block');
 
 var getBlock = function(blockhash, cb) {
   bdb.fromHashWithInfo(blockhash, function(err, block) {

app/controllers/common.js

@@ -1,5 +1,7 @@
 'use strict';
 
+var async       = require('async');
+
 exports.notReady = function (err, res, p) {
   res.status(503).send('Server not yet ready. Sync Percentage:' + p);
 };
@@ -17,3 +19,21 @@ exports.handleErrors = function (err, res) {
     res.status(404).send('Not found');
   }
 };
+
+exports.multi = function(f, outkey) {
+  return function(req, res, next, inputdata) {
+    var inputs;
+    if (inputdata.indexOf(',') >= 0) {
+      inputs = inputdata.split(',');
+    }
+    else inputs = [inputdata];
+    async.mapSeries(inputs, f, function(err, results) {
+	if (err)
+          return exports.handleErrors(err, res);
+        req[outkey] = results;
+  	if (req[outkey].length == 1)
+  	  req[outkey] = req[outkey][0]
+          return next();
+    });
+  };
+}

app/controllers/transactions.js

@@ -6,6 +6,7 @@
 var Address     = require('../models/Address');
 var async       = require('async');
 var common      = require('./common');
+var multi       = common.multi;
 var util        = require('util');
 
 var Rpc         = require('../../lib/Rpc');
@@ -54,22 +55,19 @@ exports.rawTransaction = function (req, res, next, txid) {
 /**
  * Find transaction by hash ...
  */
-exports.transaction = function(req, res, next, txid) {
-
-  tDb.fromIdWithInfo(txid, function(err, tx) {
-    if (err || ! tx)
-      return common.handleErrors(err, res);
-
-    bdb.fillVinConfirmations(tx.info, function(err) {
-      if (err)
-        return common.handleErrors(err, res);
+exports.transaction = multi(function(txid, cb) {
+    tDb.fromIdWithInfo(txid, function(err, tx) {
+      if (err || ! tx)
+        return cb(err);
+
+      bdb.fillVinConfirmations(tx.info, function(err) {
+        if (err)
+          return cb(err);
+        return cb(null, tx.info);
+      });
 
-      req.transaction = tx.info;
-      return next();
     });
-
-  });
-};
+}, 'transaction');
 
 
 /**

config/routes.js

@@ -17,15 +17,23 @@ module.exports = function(app) {
   app.get(apiPrefix + '/block/:blockHash', blocks.show);
   app.param('blockHash', blocks.block);
 
-  app.get(apiPrefix + '/block-index/:height', blocks.blockindex);
-  app.param('height', blocks.blockindex);
+  app.get(apiPrefix + '/blockheader/:blockHeaderHash', blocks.show);
+  app.param('blockHeaderHash', blocks.blockHeader);
+
+  app.get(apiPrefix + '/block-index/:height', blocks.showBlockHash);
+  app.param('height', blocks.blockIndex);
+
+  app.get(apiPrefix + '/blockheader-by-index/:headerHeight', blocks.show);
+  app.param('headerHeight', blocks.blockHeaderByIndex);
 
   // Transaction routes
   var transactions = require('../app/controllers/transactions');
   app.get(apiPrefix + '/tx/:txid', transactions.show);
   app.param('txid', transactions.transaction);
   app.get(apiPrefix + '/txs', transactions.list);
   app.post(apiPrefix + '/tx/send', transactions.send);
+  app.get(apiPrefix + '/multitx/:txids', transactions.show);
+  app.param('txids', transactions.transaction);
 
   // Raw Routes
   app.get(apiPrefix + '/rawtx/:txid', transactions.showRaw);

lib/BlockDb.js

@@ -382,6 +382,7 @@ BlockDb.prototype._fillConfirmationsOneVin = function(o, chainHeight, cb) {
       o.confirmations = chainHeight - height + 1;
     }
     o.unconfirmedInput = ! o.isConfirmed;
+    o.confirmedIn = height;
     return cb();
   });
 };