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var express = require('express');
var router = express.Router();
var util = require('util');
var moment = require('moment');
var bitcoinCore = require("bitcoin-core");
var qrcode = require('qrcode');
var bitcoinjs = require('bitcoinjs-lib');
var sha256 = require("crypto-js/sha256");
var hexEnc = require("crypto-js/enc-hex");
var Decimal = require("decimal.js");
var utils = require('./../app/utils.js');
var coins = require("./../app/coins.js");
var config = require("./../app/config.js");
var coreApi = require("./../app/api/coreApi.js");
router.get("/", function(req, res) {
if (req.session.host == null || req.session.host.trim() == "") {
if (req.cookies['rpc-host']) {
res.locals.host = req.cookies['rpc-host'];
}
if (req.cookies['rpc-port']) {
res.locals.port = req.cookies['rpc-port'];
}
if (req.cookies['rpc-username']) {
res.locals.username = req.cookies['rpc-username'];
}
res.render("connect");
res.end();
return;
}
res.locals.homepage = true;
var promises = [];
promises.push(coreApi.getMempoolInfo());
promises.push(coreApi.getMiningInfo());
var chainTxStatsIntervals = [ 144, 144 * 7, 144 * 30, 144 * 265 ];
res.locals.chainTxStatsLabels = [ "24 hours", "1 week", "1 month", "1 year", "All time" ];
for (var i = 0; i < chainTxStatsIntervals.length; i++) {
promises.push(coreApi.getChainTxStats(chainTxStatsIntervals[i]));
}
coreApi.getBlockchainInfo().then(function(getblockchaininfo) {
res.locals.getblockchaininfo = getblockchaininfo;
var blockHeights = [];
if (getblockchaininfo.blocks) {
for (var i = 0; i < 10; i++) {
blockHeights.push(getblockchaininfo.blocks - i);
}
}
promises.push(coreApi.getChainTxStats(getblockchaininfo.blocks - 1));
coreApi.getBlocksByHeight(blockHeights).then(function(latestBlocks) {
res.locals.latestBlocks = latestBlocks;
Promise.all(promises).then(function(promiseResults) {
res.locals.mempoolInfo = promiseResults[0];
res.locals.miningInfo = promiseResults[1];
var chainTxStats = [];
for (var i = 0; i < res.locals.chainTxStatsLabels.length; i++) {
chainTxStats.push(promiseResults[i + 2]);
}
res.locals.chainTxStats = chainTxStats;
res.render("index");
});
});
}).catch(function(err) {
res.locals.userMessage = "Error loading recent blocks: " + err;
res.render("index");
});
});
router.get("/node-status", function(req, res) {
coreApi.getBlockchainInfo().then(function(getblockchaininfo) {
res.locals.getblockchaininfo = getblockchaininfo;
coreApi.getNetworkInfo().then(function(getnetworkinfo) {
res.locals.getnetworkinfo = getnetworkinfo;
coreApi.getUptimeSeconds().then(function(uptimeSeconds) {
res.locals.uptimeSeconds = uptimeSeconds;
coreApi.getNetTotals().then(function(getnettotals) {
res.locals.getnettotals = getnettotals;
res.render("node-status");
}).catch(function(err) {
res.locals.userMessage = "Error getting node status: (id=0), err=" + err;
res.render("node-status");
});
}).catch(function(err) {
res.locals.userMessage = "Error getting node status: (id=1), err=" + err;
res.render("node-status");
});
}).catch(function(err) {
res.locals.userMessage = "Error getting node status: (id=2), err=" + err;
res.render("node-status");
});
}).catch(function(err) {
res.locals.userMessage = "Error getting node status: (id=3), err=" + err;
res.render("node-status");
});
});
router.get("/mempool-summary", function(req, res) {
coreApi.getMempoolInfo().then(function(getmempoolinfo) {
res.locals.getmempoolinfo = getmempoolinfo;
coreApi.getMempoolStats().then(function(mempoolstats) {
res.locals.mempoolstats = mempoolstats;
res.render("mempool-summary");
});
}).catch(function(err) {
res.locals.userMessage = "Error: " + err;
res.render("mempool-summary");
});
});
router.get("/peers", function(req, res) {
coreApi.getPeerSummary().then(function(peerSummary) {
res.locals.peerSummary = peerSummary;
var peerIps = [];
for (var i = 0; i < peerSummary.getpeerinfo.length; i++) {
var ipWithPort = peerSummary.getpeerinfo[i].addr;
if (ipWithPort.lastIndexOf(":") >= 0) {
var ip = ipWithPort.substring(0, ipWithPort.lastIndexOf(":"));
if (ip.trim().length > 0) {
peerIps.push(ip.trim());
}
}
}
if (peerIps.length > 0) {
utils.geoLocateIpAddresses(peerIps).then(function(results) {
res.locals.peerIpSummary = results;
res.render("peers");
});
} else {
res.render("peers");
}
}).catch(function(err) {
res.locals.userMessage = "Error: " + err;
res.render("peers");
});
});
router.post("/connect", function(req, res) {
var host = req.body.host;
var port = req.body.port;
var username = req.body.username;
var password = req.body.password;
res.cookie('rpc-host', host);
res.cookie('rpc-port', port);
res.cookie('rpc-username', username);
req.session.host = host;
req.session.port = port;
req.session.username = username;
var client = new bitcoinCore({
host: host,
port: port,
username: username,
password: password,
timeout: 30000
});
console.log("created client: " + client);
global.client = client;
req.session.userMessage = "<strong>Connected via RPC</strong>: " + username + " @ " + host + ":" + port;
req.session.userMessageType = "success";
res.redirect("/");
});
router.get("/disconnect", function(req, res) {
res.cookie('rpc-host', "");
res.cookie('rpc-port', "");
res.cookie('rpc-username', "");
req.session.host = "";
req.session.port = "";
req.session.username = "";
console.log("destroyed client.");
global.client = null;
req.session.userMessage = "Disconnected from node.";
req.session.userMessageType = "success";
res.redirect("/");
});
router.get("/changeSetting", function(req, res) {
if (req.query.name) {
req.session[req.query.name] = req.query.value;
res.cookie('user-setting-' + req.query.name, req.query.value);
}
res.redirect(req.headers.referer);
});
router.get("/blocks", function(req, res) {
var limit = config.site.browseBlocksPageSize;
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";
coreApi.getBlockchainInfo().then(function(getblockchaininfo) {
res.locals.blockCount = getblockchaininfo.blocks;
res.locals.blockOffset = offset;
var blockHeights = [];
if (sort == "desc") {
for (var i = (getblockchaininfo.blocks - offset); i > (getblockchaininfo.blocks - offset - limit); i--) {
if (i >= 0) {
blockHeights.push(i);
}
}
} else {
for (var i = offset; i < (offset + limit); i++) {
if (i >= 0) {
blockHeights.push(i);
}
}
}
coreApi.getBlocksByHeight(blockHeights).then(function(blocks) {
res.locals.blocks = blocks;
res.render("blocks");
});
}).catch(function(err) {
res.locals.userMessage = "Error: " + err;
res.render("blocks");
});
});
router.get("/search", function(req, res) {
if (!req.body.query) {
req.session.userMessage = "Enter a block height, block hash, or transaction id.";
req.session.userMessageType = "primary";
res.render("search");
return;
}
});
router.post("/search", function(req, res) {
if (!req.body.query) {
req.session.userMessage = "Enter a block height, block hash, or transaction id.";
res.redirect("/");
return;
}
var query = req.body.query.toLowerCase().trim();
var rawCaseQuery = req.body.query.trim();
req.session.query = req.body.query;
if (query.length == 64) {
coreApi.getRawTransaction(query).then(function(tx) {
if (tx) {
res.redirect("/tx/" + query);
return;
}
coreApi.getBlockByHash(query).then(function(blockByHash) {
if (blockByHash) {
res.redirect("/block/" + query);
return;
}
coreApi.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("/");
}).catch(function(err) {
req.session.userMessage = "No results found for query: " + query;
res.redirect("/");
});
}).catch(function(err) {
coreApi.getBlockByHash(query).then(function(blockByHash) {
if (blockByHash) {
res.redirect("/block/" + query);
return;
}
req.session.userMessage = "No results found for query: " + query;
res.redirect("/");
}).catch(function(err) {
req.session.userMessage = "No results found for query: " + query;
res.redirect("/");
});
});
} else if (!isNaN(query)) {
coreApi.getBlockByHeight(parseInt(query)).then(function(blockByHeight) {
if (blockByHeight) {
res.redirect("/block-height/" + query);
return;
}
req.session.userMessage = "No results found for query: " + query;
res.redirect("/");
});
} else {
coreApi.getAddress(rawCaseQuery).then(function(validateaddress) {
if (validateaddress && validateaddress.isvalid) {
res.redirect("/address/" + rawCaseQuery);
return;
}
req.session.userMessage = "No results found for query: " + rawCaseQuery;
res.redirect("/");
});
}
});
router.get("/block-height/:blockHeight", function(req, res) {
var blockHeight = parseInt(req.params.blockHeight);
res.locals.blockHeight = blockHeight;
res.locals.result = {};
var limit = config.site.blockTxPageSize;
var offset = 0;
if (req.query.limit) {
limit = parseInt(req.query.limit);
// for demo sites, limit page sizes
if (config.demoSite && limit > config.site.blockTxPageSize) {
limit = config.site.blockTxPageSize;
res.locals.userMessage = "Transaction page size limited to " + config.site.blockTxPageSize + ". If this is your site, you can change or disable this limit in the site config.";
}
}
if (req.query.offset) {
offset = parseInt(req.query.offset);
}
res.locals.limit = limit;
res.locals.offset = offset;
res.locals.paginationBaseUrl = "/block-height/" + blockHeight;
coreApi.getBlockByHeight(blockHeight).then(function(result) {
res.locals.result.getblockbyheight = result;
coreApi.getBlockByHashWithTransactions(result.hash, limit, offset).then(function(result) {
res.locals.result.getblock = result.getblock;
res.locals.result.transactions = result.transactions;
res.locals.result.txInputsByTransaction = result.txInputsByTransaction;
res.render("block");
});
});
});
router.get("/block/:blockHash", function(req, res) {
var blockHash = req.params.blockHash;
res.locals.blockHash = blockHash;
res.locals.result = {};
var limit = config.site.blockTxPageSize;
var offset = 0;
if (req.query.limit) {
limit = parseInt(req.query.limit);
// for demo sites, limit page sizes
if (config.demoSite && limit > config.site.blockTxPageSize) {
limit = config.site.blockTxPageSize;
res.locals.userMessage = "Transaction page size limited to " + config.site.blockTxPageSize + ". If this is your site, you can change or disable this limit in the site config.";
}
}
if (req.query.offset) {
offset = parseInt(req.query.offset);
}
res.locals.limit = limit;
res.locals.offset = offset;
res.locals.paginationBaseUrl = "/block/" + blockHash;
// TODO handle RPC error
coreApi.getBlockByHashWithTransactions(blockHash, limit, offset).then(function(result) {
res.locals.result.getblock = result.getblock;
res.locals.result.transactions = result.transactions;
res.locals.result.txInputsByTransaction = result.txInputsByTransaction;
res.render("block");
});
});
router.get("/tx/:transactionId", function(req, res) {
var txid = req.params.transactionId;
var output = -1;
if (req.query.output) {
output = parseInt(req.query.output);
}
res.locals.txid = txid;
res.locals.output = output;
res.locals.result = {};
coreApi.getRawTransaction(txid).then(function(rawTxResult) {
res.locals.result.getrawtransaction = rawTxResult;
client.command('getblock', rawTxResult.blockhash, function(err3, result3, resHeaders3) {
res.locals.result.getblock = result3;
var txids = [];
for (var i = 0; i < rawTxResult.vin.length; i++) {
if (!rawTxResult.vin[i].coinbase) {
txids.push(rawTxResult.vin[i].txid);
}
}
coreApi.getRawTransactions(txids).then(function(txInputs) {
res.locals.result.txInputs = txInputs;
res.render("transaction");
});
});
}).catch(function(err) {
res.locals.userMessage = "Failed to load transaction with txid=" + txid + ": " + err;
res.render("transaction");
});
});
router.get("/address/:address", function(req, res) {
var limit = config.site.addressTxPageSize;
var offset = 0;
var sort = "desc";
if (req.query.limit) {
limit = parseInt(req.query.limit);
// for demo sites, limit page sizes
if (config.demoSite && limit > config.site.addressTxPageSize) {
limit = config.site.addressTxPageSize;
res.locals.userMessage = "Transaction page size limited to " + config.site.addressTxPageSize + ". If this is your site, you can change or disable this limit in the site config.";
}
}
if (req.query.offset) {
offset = parseInt(req.query.offset);
}
if (req.query.sort) {
sort = req.query.sort;
}
var address = req.params.address;
res.locals.address = address;
res.locals.limit = limit;
res.locals.offset = offset;
res.locals.sort = sort;
res.locals.paginationBaseUrl = ("/address/" + address + "?sort=" + sort);
res.locals.transactions = [];
res.locals.result = {};
try {
res.locals.addressObj = bitcoinjs.address.fromBase58Check(address);
} catch (err) {
console.log("Error u3gr02gwef: " + err);
try {
res.locals.addressObj = bitcoinjs.address.fromBech32(address);
} catch (err2) {
console.log("Error u02qg02yqge: " + err2);
}
}
if (global.miningPoolsConfigs) {
for (var i = 0; i < global.miningPoolsConfigs.length; i++) {
if (global.miningPoolsConfigs[i].payout_addresses[address]) {
res.locals.payoutAddressForMiner = global.miningPoolsConfigs[i].payout_addresses[address];
}
}
}
res.locals.advancedFunctionality = (global.electrumApi != null);
coreApi.getAddress(address).then(function(validateaddressResult) {
res.locals.result.validateaddress = validateaddressResult;
var promises = [];
if (global.electrumApi) {
var addrScripthash = hexEnc.stringify(sha256(hexEnc.parse(validateaddressResult.scriptPubKey)));
addrScripthash = addrScripthash.match(/.{2}/g).reverse().join("");
res.locals.electrumScripthash = addrScripthash;
promises.push(new Promise(function(resolve, reject) {
electrumApi.getAddressBalance(addrScripthash).then(function(result) {
res.locals.balance = result;
res.locals.electrumBalance = result;
resolve();
}).catch(function(err) {
reject(err);
});
}));
promises.push(new Promise(function(resolve, reject) {
electrumApi.getAddressTxids(addrScripthash).then(function(result) {
var txidResult = null;
if (result.conflictedResults) {
res.locals.conflictedTxidResults = true;
txidResult = result.conflictedResults[0];
} else if (result.result != null) {
txidResult = result;
}
res.locals.electrumHistory = txidResult;
var txids = [];
var blockHeightsByTxid = {};
if (txidResult) {
for (var i = 0; i < txidResult.result.length; i++) {
txids.push(txidResult.result[i].tx_hash);
blockHeightsByTxid[txidResult.result[i].tx_hash] = txidResult.result[i].height;
}
}
if (sort == "desc") {
txids = txids.reverse();
}
res.locals.txids = txids;
var pagedTxids = [];
for (var i = offset; i < (offset + limit); i++) {
if (txids.length > i) {
pagedTxids.push(txids[i]);
}
}
if (txidResult && txidResult.result != null) {
// since we always request the first txid (to determine "first seen" info for the address),
// remove it for proper paging
pagedTxids.unshift(txidResult.result[0].tx_hash);
}
coreApi.getRawTransactionsWithInputs(pagedTxids).then(function(rawTxResult) {
// first result is always the earliest tx, but doesn't fit into the current paging;
// store it as firstSeenTransaction then remove from list
res.locals.firstSeenTransaction = rawTxResult.transactions[0];
rawTxResult.transactions.shift();
res.locals.transactions = rawTxResult.transactions;
res.locals.txInputsByTransaction = rawTxResult.txInputsByTransaction;
res.locals.blockHeightsByTxid = blockHeightsByTxid;
var addrGainsByTx = {};
var addrLossesByTx = {};
res.locals.addrGainsByTx = addrGainsByTx;
res.locals.addrLossesByTx = addrLossesByTx;
for (var i = 0; i < rawTxResult.transactions.length; i++) {
var tx = rawTxResult.transactions[i];
var txInputs = rawTxResult.txInputsByTransaction[tx.txid];
for (var j = 0; j < tx.vout.length; j++) {
if (tx.vout[j].value > 0 && tx.vout[j].scriptPubKey && tx.vout[j].scriptPubKey.addresses && tx.vout[j].scriptPubKey.addresses.includes(address)) {
if (addrGainsByTx[tx.txid] == null) {
addrGainsByTx[tx.txid] = new Decimal(0);
}
addrGainsByTx[tx.txid] = addrGainsByTx[tx.txid].plus(new Decimal(tx.vout[j].value));
}
}
for (var j = 0; j < tx.vin.length; j++) {
var txInput = txInputs[j];
if (txInput != null) {
for (var k = 0; k < txInput.vout.length; k++) {
if (txInput.vout[k] && txInput.vout[k].scriptPubKey && txInput.vout[k].scriptPubKey.addresses && txInput.vout[k].scriptPubKey.addresses.includes(address)) {
if (addrLossesByTx[tx.txid] == null) {
addrLossesByTx[tx.txid] = new Decimal(0);
}
addrLossesByTx[tx.txid] = addrLossesByTx[tx.txid].plus(new Decimal(txInput.vout[k].value));
}
}
}
}
//console.log("tx: " + JSON.stringify(tx));
//console.log("txInputs: " + JSON.stringify(txInputs));
}
resolve();
}).catch(function(err) {
console.log("Error asdgf07uh23: " + err + ", error json: " + JSON.stringify(err));
reject(err);
});
}).catch(function(err) {
res.locals.electrumHistoryError = err;
console.log("Error 23t07ug2wghefud: " + err + ", error json: " + JSON.stringify(err));
reject(err);
});
}));
promises.push(new Promise(function(resolve, reject) {
coreApi.getBlockchainInfo().then(function(getblockchaininfo) {
res.locals.getblockchaininfo = getblockchaininfo;
resolve();
}).catch(function(err) {
console.log("Error 132r80h32rh: " + err + ", error json: " + JSON.stringify(err));
reject(err);
});
}));
}
promises.push(new Promise(function(resolve, reject) {
qrcode.toDataURL(address, function(err, url) {
if (err) {
console.log("Error 93ygfew0ygf2gf2: " + err);
}
res.locals.addressQrCodeUrl = url;
resolve();
});
}));
Promise.all(promises).then(function() {
res.render("address");
}).catch(function(err) {
console.log("Error 32197rgh327g2: " + err + ", error json: " + JSON.stringify(err));
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 (!config.demoSite) {
var ip = req.headers['x-forwarded-for'] || req.connection.remoteAddress;
var match = config.ipWhitelistForRpcCommands.exec(ip);
if (!match) {
res.send("RPC Terminal / Browser may not be accessed from '" + ip + "'. This restriction can be modified in your config.js file.");
return;
}
}
res.render("terminal");
});
router.post("/rpc-terminal", function(req, res) {
if (!config.demoSite) {
var ip = req.headers['x-forwarded-for'] || req.connection.remoteAddress;
var match = config.ipWhitelistForRpcCommands.exec(ip);
if (!match) {
res.send("RPC Terminal / Browser may not be accessed from '" + ip + "'. This restriction can be modified in your config.js file.");
return;
}
}
var params = req.body.cmd.trim().split(/\s+/);
var cmd = params.shift();
var parsedParams = [];
params.forEach(function(param, i) {
if (!isNaN(param)) {
parsedParams.push(parseInt(param));
} else {
parsedParams.push(param);
}
});
if (config.rpcBlacklist.includes(cmd.toLowerCase())) {
res.write("Sorry, that RPC command is blacklisted. If this is your server, you may allow this command by removing it from the 'rpcBlacklist' setting in config.js.", function() {
res.end();
});
return;
}
client.command([{method:cmd, parameters:parsedParams}], function(err, result, resHeaders) {
console.log("Result[1]: " + JSON.stringify(result, null, 4));
console.log("Error[2]: " + JSON.stringify(err, null, 4));
console.log("Headers[3]: " + JSON.stringify(resHeaders, null, 4));
if (err) {
console.log(JSON.stringify(err, null, 4));
res.write(JSON.stringify(err, null, 4), function() {
res.end();
});
} else if (result) {
res.write(JSON.stringify(result, null, 4), function() {
res.end();
});
} else {
res.write(JSON.stringify({"Error":"No response from node"}, null, 4), function() {
res.end();
});
}
});
});
router.get("/rpc-browser", function(req, res) {
if (!config.demoSite) {
var ip = req.headers['x-forwarded-for'] || req.connection.remoteAddress;
var match = config.ipWhitelistForRpcCommands.exec(ip);
if (!match) {
res.send("RPC Terminal / Browser may not be accessed from '" + ip + "'. This restriction can be modified in your config.js file.");
return;
}
}
coreApi.getHelp().then(function(result) {
res.locals.gethelp = result;
if (req.query.method) {
res.locals.method = req.query.method;
coreApi.getRpcMethodHelp(req.query.method.trim()).then(function(result2) {
res.locals.methodhelp = result2;
if (req.query.execute) {
var argDetails = result2.args;
var argValues = [];
if (req.query.args) {
for (var i = 0; i < req.query.args.length; i++) {
var argProperties = argDetails[i].properties;
for (var j = 0; j < argProperties.length; j++) {
if (argProperties[j] == "numeric") {
if (req.query.args[i] == null || req.query.args[i] == "") {
argValues.push(null);
} else {
argValues.push(parseInt(req.query.args[i]));
}
break;
} else if (argProperties[j] == "boolean") {
if (req.query.args[i]) {
argValues.push(req.query.args[i] == "true");
}
break;
} else if (argProperties[j] == "string") {
if (req.query.args[i]) {
argValues.push(req.query.args[i]);
}
break;
}
}
}
}
res.locals.argValues = argValues;
if (config.rpcBlacklist.includes(req.query.method.toLowerCase())) {
res.locals.methodResult = "Sorry, that RPC command is blacklisted. If this is your server, you may allow this command by removing it from the 'rpcBlacklist' setting in config.js.";
res.render("browser");
return;
}
console.log("Executing RPC '" + req.query.method + "' with params: [" + argValues + "]");
client.command([{method:req.query.method, parameters:argValues}], function(err3, result3, resHeaders3) {
console.log("RPC Response: err=" + err3 + ", result=" + result3 + ", headers=" + resHeaders3);
if (err3) {
if (result3) {
res.locals.methodResult = {error:("" + err3), result:result3};
} else {
res.locals.methodResult = {error:("" + err3)};
}
} else if (result3) {
res.locals.methodResult = result3;
} else {
res.locals.methodResult = {"Error":"No response from node."};
}
res.render("browser");
});
} else {
res.render("browser");
}
}).catch(function(err) {
res.locals.userMessage = "Error loading help content for method " + req.query.method + ": " + err;
res.render("browser");
});
} else {
res.render("browser");
}
}).catch(function(err) {
res.locals.userMessage = "Error loading help content: " + err;
res.render("browser");
});
});
router.get("/unconfirmed-tx", function(req, res) {
var limit = config.site.browseBlocksPageSize;
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 = "/unconfirmed-tx";
coreApi.getMempoolDetails(offset, limit).then(function(mempoolDetails) {
res.locals.mempoolDetails = mempoolDetails;
res.render("unconfirmed-transactions");
}).catch(function(err) {
res.locals.userMessage = "Error: " + err;
res.render("unconfirmed-transactions");
});
});
router.get("/tx-stats", function(req, res) {
var dataPoints = 150;
if (req.query.dataPoints) {
dataPoints = req.query.dataPoints;
}
if (dataPoints > 250) {
dataPoints = 250;
}
coreApi.getBlockchainInfo().then(function(getblockchaininfo) {
res.locals.getblockchaininfo = getblockchaininfo;
var chainTxStatsIntervals = [];
for (var i = 0; i < dataPoints; i++) {
chainTxStatsIntervals.push(parseInt(Math.max(10, getblockchaininfo.blocks - i * getblockchaininfo.blocks / (dataPoints - 1) - 1)));
}
//console.log("ints: " + JSON.stringify(chainTxStatsIntervals));
var promises = [];
for (var i = 0; i < chainTxStatsIntervals.length; i++) {
promises.push(coreApi.getChainTxStats(chainTxStatsIntervals[i]));
}
Promise.all(promises).then(function(results) {
res.locals.txStatResults = results;
var txStats = {
txCounts: [],
txLabels: [],
txRates: []
};
for (var i = results.length - 1; i >= 0; i--) {
if (results[i].window_tx_count) {
txStats.txCounts.push( {x:(getblockchaininfo.blocks - results[i].window_block_count), y: (results[i].txcount - results[i].window_tx_count)} );
txStats.txRates.push( {x:(getblockchaininfo.blocks - results[i].window_block_count), y: (results[i].txrate)} );
txStats.txLabels.push(i);
}
}
res.locals.txStats = txStats;
//console.log("res: " + JSON.stringify(results));
res.render("tx-stats");
});
});
});
router.get("/about", function(req, res) {
res.render("about");
});
router.get("/fun", function(req, res) {
var sortedList = coins[config.coin].historicalData;
sortedList.sort(function(a, b){
return ((a.date > b.date) ? 1 : -1);
});
res.locals.historicalData = sortedList;
res.render("fun");
});
module.exports = router;