- move more functionality into rpcApi

- new /blocks page

app/rpcApi.js

@@ -33,6 +33,18 @@ var genesisCoinbaseTransaction = {
 	"blocktime": 1230988505
 };
 
+function getInfo() {
+	return new Promise(function(resolve, reject) {
+		client.cmd('getinfo', function(err, result, resHeaders) {
+			if (err) {
+				return console.log("Error 3207fh0f: " + err);
+			}
+
+			resolve(result);
+		});
+	});
+}
+
 function getBlockByHeight(blockHeight) {
 	console.log("getBlockByHeight: " + blockHeight);
 
@@ -55,6 +67,47 @@ function getBlockByHeight(blockHeight) {
 	});
 }
 
+function getBlocksByHeight(blockHeights) {
+	console.log("getBlocksByHeight: " + blockHeights);
+
+	return new Promise(function(resolve, reject) {
+		var batch = [];
+		for (var i = 0; i < blockHeights.length; i++) {
+			batch.push({
+				method: 'getblockhash',
+				params: [ blockHeights[i] ]
+			});
+		}
+
+		var blockHashes = [];
+		client.cmd(batch, function(err, result, resHeaders) {
+			blockHashes.push(result);
+
+			if (blockHashes.length == batch.length) {
+				var batch2 = [];
+				for (var i = 0; i < blockHashes.length; i++) {
+					batch2.push({
+						method: 'getblock',
+						params: [ blockHashes[i] ]
+					});
+				}
+
+				var blocks = [];
+				client.cmd(batch2, function(err2, result2, resHeaders2) {
+					if (err2) {
+						console.log("Error 138ryweufdf: " + err2);
+					}
+
+					blocks.push(result2);
+					if (blocks.length == batch2.length) {
+						resolve(blocks);
+					}
+				});
+			}
+		});
+	});
+}
+
 function getTransactionInputs(rpcClient, transaction) {
 	console.log("getTransactionInputs: " + transaction.txid);
 
@@ -190,7 +243,9 @@ function getBlockData(rpcClient, blockHash, txLimit, txOffset) {
 }
 
 module.exports = {
+	getInfo: getInfo,
 	getBlockByHeight: getBlockByHeight,
+	getBlocksByHeight: getBlocksByHeight,
 	getTransactionInputs: getTransactionInputs,
 	getBlockData: getBlockData,
 	getRawTransaction: getRawTransaction,

routes/baseActionsRouter.js

@@ -6,7 +6,7 @@ var utils = require('./../app/utils');
 var md5 = require("md5");
 var env = require("./../app/env");
 var bitcoin = require("bitcoin");
-var rpcApi = require("./../app/rpcApi")
+var rpcApi = require("./../app/rpcApi");
 
 router.get("/", function(req, res) {
 	if (!req.session.host) {
@@ -30,22 +30,18 @@ router.get("/", function(req, res) {
 
 	var client = global.client;
 
-	client.cmd('getinfo', function(err, result, resHeaders) {
-		if (err) {
-			return console.log(err);
-		}
-
-		res.locals.result = result;
+	rpcApi.getInfo().then(function(getinfo) {
+		res.locals.result = getinfo;
 
-		var promises = [];
-		if (result.blocks) {
+		var blockHeights = [];
+		if (getinfo.blocks) {
 			for (var i = 0; i < 10; i++) {
-				promises.push(rpcApi.getBlockByHeight(result.blocks - i));
+				blockHeights.push(getinfo.blocks - i);
 			}
 		}
 
-		Promise.all(promises).then(function() {
-			res.locals.latestBlocks = arguments[0];
+		rpcApi.getBlocksByHeight(blockHeights).then(function(latestBlocks) {
+			res.locals.latestBlocks = latestBlocks;
 
 			res.render("index");
 		});
@@ -84,6 +80,51 @@ router.post("/connect", function(req, res) {
 	res.redirect("/");
 });
 
+router.get("/blocks", function(req, res) {
+	var limit = 20;
+	var offset = 0;
+	var sort = "desc";
+
+	if (req.query.limit) {
+		limit = parseInt(req.query.limit);
+	}
+
+	if (req.query.offset) {
+		offset = parseInt(req.query.offset);
+	}
+
+	if (req.query.sort) {
+		sort = req.query.sort;
+	}
+
+	res.locals.limit = limit;
+	res.locals.offset = offset;
+	res.locals.sort = sort;
+	res.locals.paginationBaseUrl = "/blocks";
+
+	rpcApi.getInfo().then(function(getinfo) {
+		res.locals.blockCount = getinfo.blocks;
+		res.locals.blockOffset = offset;
+
+		var blockHeights = [];
+		if (sort == "desc") {
+			for (var i = (getinfo.blocks - offset); i > (getinfo.blocks - offset - limit); i--) {
+				blockHeights.push(i);
+			}
+		} else {
+			for (var i = offset; i < (offset + limit); i++) {
+				blockHeights.push(i);
+			}
+		}
+		
+		rpcApi.getBlocksByHeight(blockHeights).then(function(blocks) {
+			res.locals.blocks = blocks;
+
+			res.render("blocks");
+		});
+	});
+});
+
 router.get("/block-height/:blockHeight", function(req, res) {
 	var client = global.client;
 
@@ -181,7 +222,7 @@ router.get("/tx/:transactionId", function(req, res) {
 					txids.push(rawTxResult.vin[i].txid);
 				}
 			}
-			
+
 			rpcApi.getRawTransactions(txids).then(function(txInputs) {
 				res.locals.result.txInputs = txInputs;
 

views/blocks.pug

@@ -0,0 +1,32 @@
+extends layout
+
+block content
+	h1(class="h2") Blocks
+	hr
+
+	nav(aria-label="Page navigation")
+		ul(class="pagination justify-content-center")
+			li(class="page-item", class=(sort == "asc" ? "active" : false))
+				a(class="page-link", href=(sort == "asc" ? "javascript:void(0)" : "/blocks?limit=" + limit + "&offset=" + offset + "&sort=asc"))
+					span(aria-hidden="true") Oldest blocks first
+			li(class="page-item", class=(sort == "desc" ? "active" : false))
+				a(class="page-link", href=(sort == "desc" ? "javascript:void(0)" : "/blocks?limit=" + limit + "&offset=" + offset + "&sort=desc"))
+					span(aria-hidden="true") Newest blocks first
+
+	include includes/blocks-list.pug
+
+	hr
+
+	if (blockCount > limit)
+		- var pageNumber = offset / limit + 1;
+		- var pageCount = Math.floor(blockCount / limit);
+		- if (pageCount * limit < blockCount) {
+			- pageCount++;
+		- }
+		- var paginationUrlFunction = function(x) {
+			- return paginationBaseUrl + "?limit=" + limit + "&offset=" + ((x - 1) * limit + "&sort=" + sort);
+		- }
+		
+		hr
+
+		include includes/pagination.pug

views/includes/blocks-list.pug

@@ -0,0 +1,17 @@
+table(class="table table-striped")
+	thead
+		tr
+			th
+			th Height
+			th Timestamp (utc)
+			th Transactions
+			th Size (bytes)
+	tbody
+		each block, blockIndex in blocks
+			tr
+				th #{blockIndex + blockOffset + 1}
+				td
+					a(href=("/block-height/" + block.height)) #{block.height}
+				td #{moment.utc(new Date(parseInt(block.time) * 1000)).format("Y-MM-DD HH:mm:ss")}
+				td #{block.tx.length.toString().replace(/\B(?=(\d{3})+(?!\d))/g, ",")}
+				td #{block.size.toString().replace(/\B(?=(\d{3})+(?!\d))/g, ",")}

views/index.pug

@@ -24,21 +24,14 @@ block content
 	div(class="tab-content")
 		div(id="tab-latest-tx", class="tab-pane active", role="tabpanel")
 			h3 Latest Blocks
-			table(class="table table-striped")
-				thead
-					tr
-						th Height
-						th Timestamp (utc)
-						th Transactions
-						th Size (bytes)
-				tbody
-					each block in latestBlocks
-						tr
-							td
-								a(href=("/block-height/" + block.getblock.height)) #{block.getblock.height}
-							td #{moment.utc(new Date(parseInt(block.getblock.time) * 1000)).format("Y-MM-DD HH:mm:ss")}
-							td #{block.getblock.tx.length.toString().replace(/\B(?=(\d{3})+(?!\d))/g, ",")}
-							td #{block.getblock.size.toString().replace(/\B(?=(\d{3})+(?!\d))/g, ",")}
+
+			- var blocks = latestBlocks;
+			- var blockOffset = 0;
+
+			include includes/blocks-list.pug
+
+			hr
+			a(href="/blocks", class="btn btn-primary btn-block") See more
 
 		div(id="tab-getinfo", class="tab-pane", role="tabpanel")
 			h3 Node Info (getinfo)