Add new settings to disable individual public apis
-All coind + extended public api calls can now be enabled/disabled individually via settings.json; Disabled apis still work internally when disabled; The only noteworthy exception is the extended /ext/getlasttxs endpoint which is the only extended api consumed by the explorer itself, although it works to prevent outside access by default, it is controlled by http headers which can be manipulated and it's extremely likely that a savvy user could enable usage of /ext/getlasttxs for their own needs even if the site has specifically disabled that public api. More thought may be needed to properly resolve that problem, but it may also not be a big deal since it's data that is available to the explorer and in no way hidden or secret -Disabled apis do not show up on the /info page and will return a "This method is disabled" msg if the endpoint is called -Applied some code formatting to the /lib/nodeapi.js file
This commit is contained in:
joeuhren
@@ -55,184 +55,212 @@ app.use(express.static(path.join(__dirname, 'public')));
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// routes
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app.use('/api', nodeapi.app);
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app.use('/', routes);
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app.use('/ext/getmoneysupply', function(req,res) {
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lib.get_supply(function(supply) {
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res.setHeader('content-type', 'text/plain');
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res.end((supply ? supply.toString() : '0'));
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});
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app.use('/ext/getmoneysupply', function(req, res) {
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// check if the getmoneysupply api is enabled
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if (settings.public_api.ext['getmoneysupply']) {
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lib.get_supply(function(supply) {
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res.setHeader('content-type', 'text/plain');
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res.end((supply ? supply.toString() : '0'));
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});
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} else
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res.end('This method is disabled');
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});
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app.use('/ext/getaddress/:hash', function(req,res){
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db.get_address(req.params.hash, false, function(address){
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db.get_address_txs_ajax(req.params.hash, 0, settings.txcount, function(txs, count){
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if (address) {
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var last_txs = [];
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for(i=0; i<txs.length; i++){
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if(typeof txs[i].txid !== "undefined") {
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var out = 0,
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vin = 0,
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tx_type = 'vout',
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row = {};
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txs[i].vout.forEach(function (r) {
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if (r.addresses == req.params.hash) {
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out += r.amount;
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}
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});
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txs[i].vin.forEach(function (s) {
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if (s.addresses == req.params.hash) {
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vin += s.amount;
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}
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});
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if (vin > out) {
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tx_type = 'vin';
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app.use('/ext/getaddress/:hash', function(req, res) {
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// check if the getaddress api is enabled
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if (settings.public_api.ext['getaddress']) {
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db.get_address(req.params.hash, false, function(address) {
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db.get_address_txs_ajax(req.params.hash, 0, settings.txcount, function(txs, count) {
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if (address) {
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var last_txs = [];
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for (i = 0; i < txs.length; i++) {
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if (typeof txs[i].txid !== "undefined") {
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var out = 0,
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vin = 0,
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tx_type = 'vout',
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row = {};
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txs[i].vout.forEach(function (r) {
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if (r.addresses == req.params.hash)
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out += r.amount;
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});
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txs[i].vin.forEach(function (s) {
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if (s.addresses == req.params.hash)
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vin += s.amount;
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});
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if (vin > out)
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tx_type = 'vin';
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row['addresses'] = txs[i].txid;
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row['type'] = tx_type;
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last_txs.push(row);
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}
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row['addresses'] = txs[i].txid;
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row['type'] = tx_type;
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last_txs.push(row);
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}
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}
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var a_ext = {
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address: address.a_id,
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sent: (address.sent / 100000000),
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received: (address.received / 100000000),
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balance: (address.balance / 100000000).toString().replace(/(^-+)/mg, ''),
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last_txs: last_txs
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};
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res.send(a_ext);
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} else {
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res.send({ error: 'address not found.', hash: req.params.hash});
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}
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var a_ext = {
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address: address.a_id,
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sent: (address.sent / 100000000),
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received: (address.received / 100000000),
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balance: (address.balance / 100000000).toString().replace(/(^-+)/mg, ''),
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last_txs: last_txs
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};
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res.send(a_ext);
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} else
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res.send({ error: 'address not found.', hash: req.params.hash});
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});
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});
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});
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} else
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res.end('This method is disabled');
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});
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app.use('/ext/gettx/:txid', function(req, res) {
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var txid = req.params.txid;
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db.get_tx(txid, function(tx) {
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if (tx) {
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lib.get_blockcount(function(blockcount) {
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res.send({ active: 'tx', tx: tx, confirmations: settings.confirmations, blockcount: (blockcount ? blockcount : 0)});
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});
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}
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else {
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lib.get_rawtransaction(txid, function(rtx) {
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if (rtx && rtx.txid) {
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lib.prepare_vin(rtx, function(vin) {
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lib.prepare_vout(rtx.vout, rtx.txid, vin, ((typeof rtx.vjoinsplit === 'undefined' || rtx.vjoinsplit == null) ? [] : rtx.vjoinsplit), function(rvout, rvin) {
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lib.calculate_total(rvout, function(total){
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if (!rtx.confirmations > 0) {
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var utx = {
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txid: rtx.txid,
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vin: rvin,
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vout: rvout,
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total: total.toFixed(8),
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timestamp: rtx.time,
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blockhash: '-',
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blockindex: -1,
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};
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res.send({ active: 'tx', tx: utx, confirmations: settings.confirmations, blockcount:-1});
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} else {
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var utx = {
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txid: rtx.txid,
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vin: rvin,
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vout: rvout,
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total: total.toFixed(8),
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timestamp: rtx.time,
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blockhash: rtx.blockhash,
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blockindex: rtx.blockheight,
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};
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lib.get_blockcount(function(blockcount) {
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res.send({ active: 'tx', tx: utx, confirmations: settings.confirmations, blockcount: (blockcount ? blockcount : 0)});
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});
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}
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// check if the gettx api is enabled
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if (settings.public_api.ext['gettx']) {
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var txid = req.params.txid;
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db.get_tx(txid, function(tx) {
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if (tx) {
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lib.get_blockcount(function(blockcount) {
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res.send({ active: 'tx', tx: tx, confirmations: settings.confirmations, blockcount: (blockcount ? blockcount : 0)});
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});
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}
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else {
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lib.get_rawtransaction(txid, function(rtx) {
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if (rtx && rtx.txid) {
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lib.prepare_vin(rtx, function(vin) {
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lib.prepare_vout(rtx.vout, rtx.txid, vin, ((typeof rtx.vjoinsplit === 'undefined' || rtx.vjoinsplit == null) ? [] : rtx.vjoinsplit), function(rvout, rvin) {
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lib.calculate_total(rvout, function(total) {
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if (!rtx.confirmations > 0) {
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var utx = {
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txid: rtx.txid,
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vin: rvin,
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vout: rvout,
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total: total.toFixed(8),
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timestamp: rtx.time,
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blockhash: '-',
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blockindex: -1,
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};
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res.send({ active: 'tx', tx: utx, confirmations: settings.confirmations, blockcount:-1});
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} else {
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var utx = {
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txid: rtx.txid,
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vin: rvin,
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vout: rvout,
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total: total.toFixed(8),
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timestamp: rtx.time,
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blockhash: rtx.blockhash,
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blockindex: rtx.blockheight,
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};
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lib.get_blockcount(function(blockcount) {
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res.send({ active: 'tx', tx: utx, confirmations: settings.confirmations, blockcount: (blockcount ? blockcount : 0)});
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});
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}
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});
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});
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});
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});
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} else {
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res.send({ error: 'tx not found.', hash: txid});
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}
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});
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}
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});
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});
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app.use('/ext/getbalance/:hash', function(req,res){
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db.get_address(req.params.hash, false, function(address){
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if (address) {
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res.setHeader('content-type', 'text/plain');
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res.end((address.balance / 100000000).toString().replace(/(^-+)/mg, ''));
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} else {
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res.send({ error: 'address not found.', hash: req.params.hash})
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}
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});
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});
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app.use('/ext/getdistribution', function(req,res){
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db.get_richlist(settings.coin, function(richlist){
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db.get_stats(settings.coin, function(stats){
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db.get_distribution(richlist, stats, function(dist){
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res.send(dist);
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});
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} else {
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res.send({ error: 'tx not found.', hash: txid});
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}
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});
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}
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});
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});
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} else
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res.end('This method is disabled');
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});
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app.use('/ext/getcurrentprice', function(req,res){
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db.get_stats(settings.coin, function (stats) {
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eval('var p_ext = { "last_price_'+settings.markets.exchange.toLowerCase()+'": stats.last_price, "last_price_usd": stats.last_usd_price, }');
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res.send(p_ext);
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});
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app.use('/ext/getbalance/:hash', function(req, res) {
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// check if the getbalance api is enabled
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if (settings.public_api.ext['getbalance']) {
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db.get_address(req.params.hash, false, function(address) {
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if (address) {
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res.setHeader('content-type', 'text/plain');
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res.end((address.balance / 100000000).toString().replace(/(^-+)/mg, ''));
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} else
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res.send({ error: 'address not found.', hash: req.params.hash });
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});
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} else
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res.end('This method is disabled');
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});
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app.use('/ext/getbasicstats', function(req,res) {
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lib.get_blockcount(function(blockcount) {
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lib.get_supply(function(supply) {
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db.get_stats(settings.coin, function (stats) {
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lib.get_masternodecount(function(masternodestotal) {
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eval('var p_ext = { "block_count": (blockcount ? blockcount : 0), "money_supply": (supply ? supply : 0), "last_price_'+settings.markets.exchange.toLowerCase()+'": stats.last_price, "last_price_usd": stats.last_usd_price, "masternode_count": masternodestotal.total }');
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res.send(p_ext);
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app.use('/ext/getdistribution', function(req, res) {
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// check if the getdistribution api is enabled
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if (settings.public_api.ext['getdistribution']) {
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db.get_richlist(settings.coin, function(richlist) {
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db.get_stats(settings.coin, function(stats) {
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db.get_distribution(richlist, stats, function(dist) {
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res.send(dist);
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});
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});
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});
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});
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} else
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res.end('This method is disabled');
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});
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app.use('/ext/getcurrentprice', function(req, res) {
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// check if the getcurrentprice api is enabled
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if (settings.public_api.ext['getcurrentprice']) {
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db.get_stats(settings.coin, function (stats) {
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eval('var p_ext = { "last_price_'+settings.markets.exchange.toLowerCase()+'": stats.last_price, "last_price_usd": stats.last_usd_price, }');
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res.send(p_ext);
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});
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} else
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res.end('This method is disabled');
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});
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app.use('/ext/getbasicstats', function(req, res) {
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// check if the getbasicstats api is enabled
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if (settings.public_api.ext['getbasicstats']) {
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lib.get_blockcount(function(blockcount) {
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lib.get_supply(function(supply) {
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db.get_stats(settings.coin, function (stats) {
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lib.get_masternodecount(function(masternodestotal) {
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eval('var p_ext = { "block_count": (blockcount ? blockcount : 0), "money_supply": (supply ? supply : 0), "last_price_'+settings.markets.exchange.toLowerCase()+'": stats.last_price, "last_price_usd": stats.last_usd_price, "masternode_count": masternodestotal.total }');
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res.send(p_ext);
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});
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});
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});
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});
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} else
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res.end('This method is disabled');
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});
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app.use('/ext/getlasttxs/:min', function(req, res) {
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var min = req.params.min, start, length;
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// split url suffix by forward slash and remove blank entries
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var split = req.url.split('/').filter(function(v) { return v; });
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// determine how many parameters were passed
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switch (split.length) {
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case 2:
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// capture start and length
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start = split[0];
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length = split[1];
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break;
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default:
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if (split.length == 1) {
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// capture start
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start = split[0];
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} else if (split.length > 2) {
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// check if the getlasttxs api is enabled or else check the headers to see if it matches an internal ajax request from the explorer itself (TODO: come up with a more secure method of whitelisting ajax calls from the explorer)
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if (settings.public_api.ext['getlasttxs'] || (req.headers['x-requested-with'] != null && req.headers['x-requested-with'].toLowerCase() == 'xmlhttprequest' && req.headers.referer != null && req.headers.accept.indexOf('text/javascript') > -1 && req.headers.accept.indexOf('application/json') > -1)) {
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var min = req.params.min, start, length;
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// split url suffix by forward slash and remove blank entries
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var split = req.url.split('/').filter(function(v) { return v; });
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// determine how many parameters were passed
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switch (split.length) {
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case 2:
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// capture start and length
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start = split[0];
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length = split[1];
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}
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break;
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}
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break;
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default:
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if (split.length == 1) {
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// capture start
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start = split[0];
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} else if (split.length > 2) {
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// capture start and length
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start = split[0];
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length = split[1];
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}
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break;
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}
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// fix parameters
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if (typeof length === 'undefined' || isNaN(length) || length > settings.index.last_txs)
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length = settings.index.last_txs;
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if (typeof start === 'undefined' || isNaN(start) || start < 0)
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start = 0;
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if (typeof min === 'undefined' || isNaN(min) || min < 0)
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min = 0;
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else
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min = (min * 100000000);
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// fix parameters
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if (typeof length === 'undefined' || isNaN(length) || length > settings.index.last_txs)
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length = settings.index.last_txs;
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if (typeof start === 'undefined' || isNaN(start) || start < 0)
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start = 0;
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if (typeof min === 'undefined' || isNaN(min) || min < 0)
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min = 0;
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else
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min = (min * 100000000);
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db.get_last_txs(start, length, min, function(data, count) {
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res.json({"data":data, "recordsTotal": count, "recordsFiltered": count});
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});
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db.get_last_txs(start, length, min, function(data, count) {
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res.json({"data":data, "recordsTotal": count, "recordsFiltered": count});
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});
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} else
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res.end('This method is disabled');
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});
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app.use('/ext/getaddresstxs/:address/:start/:length', function(req,res) {
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@@ -362,6 +390,7 @@ app.set('labels', settings.labels);
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app.set('homelink', settings.homelink);
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app.set('logoheight', settings.logoheight);
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app.set('burned_coins', settings.burned_coins);
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app.set('public_api', settings.public_api);
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app.set('api_cmds', settings.api_cmds);
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app.set('sticky_header', settings.sticky_header);
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Reference in New Issue
Block a user