block: add raw block endpoint

lib/blocks.js

@@ -65,6 +65,26 @@ BlockController.prototype.block = function(req, res, next, hash) {
   }
 };
 
+/**
+ * Find rawblock by hash and height...
+ */
+BlockController.prototype.rawBlock = function(req, res, next, blockArg) {
+  var self = this;
+
+  self.node.getRawBlock(blockArg, function(err, blockBuffer) {
+    if(err && err.code === -5) {
+      return common.handleErrors(null, res);
+    } else if(err) {
+      return common.handleErrors(err, res);
+    }
+    req.rawBlock = {
+      rawblock: blockBuffer.toString('hex')
+    };
+    next();
+  });
+
+};
+
 BlockController.prototype.transformBlock = function(block, info) {
   var blockObj = block.toObject();
   var transactionIds = blockObj.transactions.map(function(tx) {
@@ -99,6 +119,12 @@ BlockController.prototype.show = function(req, res) {
   }
 };
 
+BlockController.prototype.showRaw = function(req, res) {
+  if (req.rawBlock) {
+    res.jsonp(req.rawBlock);
+  }
+};
+
 BlockController.prototype.blockIndex = function(req, res, next, height) {
   this.node.services.bitcoind.getBlockHeader(parseInt(height), function(err, info) {
     if (err) {

lib/index.js

@@ -138,6 +138,9 @@ InsightAPI.prototype.setupRoutes = function(app) {
   app.get('/block/:blockHash', this.cacheLong(), blocks.show.bind(blocks));
   app.param('blockHash', blocks.block.bind(blocks));
 
+  app.get('/rawblock/:blockArg', this.cacheLong(), blocks.showRaw.bind(blocks));
+  app.param('blockArg', blocks.rawBlock.bind(blocks));
+
   app.get('/block-index/:height', this.cacheLong(), blocks.blockIndex.bind(blocks));
   app.param('height', blocks.blockIndex.bind(blocks));