basic support for addresses

- address page
- search-by-address

app/rpcApi.js

@@ -315,6 +315,22 @@ function getRawTransaction(txid) {
 	});
 }
 
+function getAddress(address) {
+	return new Promise(function(resolve, reject) {
+		client.command('validateaddress', address, function(err, result, resHeaders) {
+			if (err) {
+				console.log("Error 9234ygf0weg: " + err);
+
+				reject(err);
+
+				return;
+			}
+
+			resolve(result);
+		});
+	});
+}
+
 function getRawTransactions(txids) {
 	console.log("getRawTransactions: " + txids);
 
@@ -590,5 +606,6 @@ module.exports = {
 	getUptimeSeconds: getUptimeSeconds,
 	getHelp: getHelp,
 	getRpcMethodHelp: getRpcMethodHelp,
-	getHistoricalData: getHistoricalData
+	getHistoricalData: getHistoricalData,
+	getAddress: getAddress
 };

package.json

@@ -9,6 +9,7 @@
     "body-parser": "~1.18.2",
     "cookie-parser": "~1.4.3",
     "bitcoin-core": "2.0.0",
+    "bitcoinjs-lib": "3.3.2",
     "crypto-js": "3.1.9-1",
     "debug": "~2.6.0",
     "decimal.js":"7.2.3",

routes/baseActionsRouter.js

@@ -7,6 +7,7 @@ var env = require("./../app/env");
 var bitcoinCore = require("bitcoin-core");
 var rpcApi = require("./../app/rpcApi");
 var qrcode = require('qrcode');
+var bitcoinjs = require('bitcoinjs-lib');
 
 router.get("/", function(req, res) {
 	if (req.session.host == null || req.session.host.trim() == "") {
@@ -229,6 +230,7 @@ router.post("/search", function(req, res) {
 	}
 
 	var query = req.body.query.toLowerCase().trim();
+	var rawCaseQuery = req.body.query.trim();
 
 	req.session.query = req.body.query;
 
@@ -247,6 +249,14 @@ router.post("/search", function(req, res) {
 					return;
 				}
 
+				rpcApi.getAddress(rawCaseQuery).then(function(validateaddress) {
+					if (validateaddress && validateaddress.isvalid) {
+						res.redirect("/address/" + rawCaseQuery);
+
+						return;
+					}
+				});
+
 				req.session.userMessage = "No results found for query: " + query;
 
 				res.redirect("/");
@@ -289,14 +299,18 @@ router.post("/search", function(req, res) {
 			res.redirect("/");
 		});
 	} else {
-		req.session.userMessage = "Invalid query: " + query;
+		rpcApi.getAddress(rawCaseQuery).then(function(validateaddress) {
+			if (validateaddress && validateaddress.isvalid) {
+				res.redirect("/address/" + rawCaseQuery);
 
-		res.redirect("/");
+				return;
+			}
 
-		return;
-	}
+			req.session.userMessage = "No results found for query: " + rawCaseQuery;
 
-	
+			res.redirect("/");
+		});
+	}
 });
 
 router.get("/block-height/:blockHeight", function(req, res) {
@@ -412,6 +426,39 @@ router.get("/tx/:transactionId", function(req, res) {
 	});
 });
 
+router.get("/address/:address", function(req, res) {
+	var address = req.params.address;
+
+	res.locals.address = address;
+	
+	res.locals.result = {};
+
+	if (address.startsWith("1") || address.startsWith("3")) {
+		res.locals.addressObj = bitcoinjs.address.fromBase58Check(address);
+
+	} else {
+		res.locals.addressObj = bitcoinjs.address.fromBech32(address);
+	}
+	
+	rpcApi.getAddress(address).then(function(result) {
+		res.locals.result.validateaddress = result;
+
+		qrcode.toDataURL(address, function(err, url) {
+			if (err) {
+				console.log("Error 93ygfew0ygf2gf2: " + err);
+			}
+
+			res.locals.addressQrCodeUrl = url;
+
+			res.render("address");
+		});
+	}).catch(function(err) {
+		res.locals.userMessage = "Failed to load address " + address + " (" + err + ")";
+
+		res.render("address");
+	});
+});
+
 router.get("/rpc-terminal", function(req, res) {
 	if (!env.demoSite) {
 		var ip = req.headers['x-forwarded-for'] || req.connection.remoteAddress;

views/address.pug

@@ -0,0 +1,104 @@
+extends layout
+
+block headContent
+	title Address #{address}
+
+block content
+	if (result && result.validateaddress)
+		if (!result.validateaddress.isvalid)
+			h1(class="h2 text-danger") Invalid Address
+				br
+				small(class="monospace") #{address}
+		else
+			h1(class="h2") Address
+				br
+				small(class="monospace") #{address}
+			
+			hr
+
+			if (false)
+				pre
+					code #{JSON.stringify(addressObj, null, 4)}
+			
+			ul(class='nav nav-tabs mb-3')
+				li(class="nav-item")
+					a(data-toggle="tab", href="#tab-summary", class="nav-link active", role="tab") Summary
+				li(class="nav-item")
+					a(data-toggle="tab", href="#tab-raw", class="nav-link", role="tab") Raw
+
+
+			div(class="tab-content")
+				div(id="tab-summary", class="tab-pane active", role="tabpanel")
+					table(class="table")
+						if (addressObj.hash)
+							tr
+								th(class="table-active properties-header") Hash 160
+								td(class="monospace") #{addressObj.hash.toString("hex")}
+
+						if (result.validateaddress.scriptPubKey)
+							tr
+								th(class="table-active properties-header") Script Public Key
+								td(class="monospace") #{result.validateaddress.scriptPubKey}
+
+						if (addressObj.hasOwnProperty("version"))
+							tr
+								th(class="table-active properties-header") Version
+								td(class="monospace") #{addressObj.version}
+
+						if (result.validateaddress.hasOwnProperty("witness_version"))
+							tr
+								th(class="table-active properties-header") Witness Version
+								td(class="monospace") #{result.validateaddress.witness_version}
+
+						if (result.validateaddress.witness_program)
+							tr
+								th(class="table-active properties-header") Witness Program
+								td(class="monospace") #{result.validateaddress.witness_program}
+
+						tr
+							th(class="table-active properties-header") QR Code
+							td(class="monospace")
+								img(src=addressQrCodeUrl, alt=address)
+
+					div(class="card mb-3")
+						div(class="card-header")
+							span(class="h6") Flags
+						div(class="card-body")
+							table(class="table text-center")
+								thead
+									tr
+										th Is Valid?
+										th Is Script?
+										th Is Witness?
+										th Is Mine?
+										th Is Watch-Only?
+								tbody
+									tr
+										- var x = result.validateaddress;
+										- var flags = [x.isvalid, x.isscript, x.iswitness, x.ismine, x.iswatchonly];
+
+										each flag in flags
+											td
+												if (flag)
+													i(class="fas fa-check text-success")
+												else
+													i(class="fas fa-times text-danger")
+
+					div(class="card")
+						div(class="card-header")
+							span(class="h6") Transactions
+						div(class="card-body")
+							table(class="table")
+								strong
+									p(class="text-warning") This is a work-in-progress
+								p Since this app is database-free, displaying a list of transactions involving the current address is tricky. I'm actively researching the best way to implement this.
+
+								a(href="https://github.com/janoside/btc-rpc-explorer/issues/8") Suggestions and/or pull requests are welcome!
+				
+
+				div(id="tab-raw", class="tab-pane", role="tabpanel")
+					div(class="highlight")
+						pre
+							code(class="language-json", data-lang="json") #{JSON.stringify(result.validateaddress, null, 4)}
+
+		

views/includes/block-content.pug

@@ -159,9 +159,11 @@ div(class="tab-content")
 
 													td
 														if (vout.scriptPubKey && vout.scriptPubKey.addresses)
-															div(class="monospace", style="word-break: break-word;") #{vout.scriptPubKey.addresses[0]}
-															span(class="monospace text-muted") via tx 
-															a(href=("/tx/" + txInput.txid + "#output-" + tx.vin[txInputIndex].vout), class="monospace") #{txInput.txid.substring(0, 14)}..., Output ##{tx.vin[txInputIndex].vout + 1}
+															div(class="monospace", style="word-break: break-word;")
+																a(href=("/address/" + vout.scriptPubKey.addresses[0])) #{vout.scriptPubKey.addresses[0]}
+
+															span(class="monospace") via 
+															a(href=("/tx/" + txInput.txid + "#output-" + tx.vin[txInputIndex].vout), class="monospace") tx:#{txInput.txid.substring(0, 14)}...[#{tx.vin[txInputIndex].vout}]
 													td
 														if (vout.value)
 															- totalInputValue = totalInputValue.plus(new Decimal(vout.value));
@@ -203,7 +205,7 @@ div(class="tab-content")
 												td
 													if (vout.scriptPubKey)
 														if (vout.scriptPubKey.addresses)
-															a(id="output-" + voutIndex)
+															a(id=("output-" + voutIndex), href=("/address/" + vout.scriptPubKey.addresses[0]))
 																div(class="monospace", style="word-break: break-word;") #{vout.scriptPubKey.addresses[0]}
 
 														else if (vout.scriptPubKey.hex && vout.scriptPubKey.hex.startsWith('6a24aa21a9ed'))

views/layout.pug

@@ -60,7 +60,7 @@ html
 
 						form(method="post", action="/search", class="form-inline")
 							div(class="input-group input-group-sm")
-								input(type="text", class="form-control form-control-sm", name="query", placeholder="block height, block hash, txid", value=(query), style="width: 300px;")
+								input(type="text", class="form-control form-control-sm", name="query", placeholder="block height/hash, txid, address", value=(query), style="width: 300px;")
 								div(class="input-group-append")
 									button(type="submit", class="btn btn-primary")
 										i(class="fas fa-search")

views/transaction.pug

@@ -183,9 +183,10 @@ block content
 
 													td
 														if (vout.scriptPubKey && vout.scriptPubKey.addresses)
-															div(class="monospace", style="word-break: break-word;") #{vout.scriptPubKey.addresses[0]}
-															span(class="monospace text-muted") via tx 
-															a(href=("/tx/" + txInput.txid + "#output-" + result.getrawtransaction.vin[txInputIndex].vout), class="monospace") #{txInput.txid.substring(0, 14)}..., Output ##{result.getrawtransaction.vin[txInputIndex].vout + 1}
+															div(class="monospace", style="word-break: break-word;")
+																a(href=("/address/" + vout.scriptPubKey.addresses[0])) #{vout.scriptPubKey.addresses[0]}
+															span(class="monospace") via 
+															a(href=("/tx/" + txInput.txid + "#output-" + result.getrawtransaction.vin[txInputIndex].vout), class="monospace") #{txInput.txid.substring(0, 14)}...[#{result.getrawtransaction.vin[txInputIndex].vout}]
 													td
 														if (vout.value)
 															- var currencyValue = vout.value;
@@ -215,7 +216,7 @@ block content
 												td
 													if (vout.scriptPubKey)
 														if (vout.scriptPubKey.addresses)
-															a(id="output-" + voutIndex)
+															a(id=("output-" + voutIndex), href=("/address/" + vout.scriptPubKey.addresses[0]))
 																div(class="monospace", style="word-break: break-word;") #{vout.scriptPubKey.addresses[0]}
 
 														else if (vout.scriptPubKey.hex && vout.scriptPubKey.hex.startsWith('6a24aa21a9ed'))