FIX: possible crashes

class/User.js

@@ -35,6 +35,7 @@ export class User {
   }
 
   async loadByAuthorization(authorization) {
+    if (!authorization) return false;
     let access_token = authorization.replace('Bearer ', '');
     let userid = await this._redis.get('userid_for_' + access_token);
 
@@ -186,9 +187,18 @@ export class User {
         // attempting to lookup invoice
         let lookup_info = await this.lookupInvoice(invoice.payment_hash);
         invoice.ispaid = lookup_info.settled;
+        if (invoice.ispaid) {
+          // so invoice was paid after all
+          await this.setPaymentHashPaid(invoice.payment_hash);
+          await this.saveBalance((await this.getBalance()) + decoded.satoshis);
+        }
       }
 
       invoice.amt = decoded.satoshis;
+      invoice.expire_time = 3600;
+      // ^^^default; will keep for now. if we want to un-hardcode it - it should be among tags (`expire_time`)
+      invoice.timestamp = decoded.timestamp;
+      invoice.type = 'user_invoice';
       result.push(invoice);
     }
 
@@ -221,10 +231,18 @@ export class User {
     for (let invoice of range) {
       invoice = JSON.parse(invoice);
       invoice.type = 'paid_invoice';
-      invoice.fee = +invoice.payment_route.total_fees;
-      invoice.value = +invoice.payment_route.total_fees + +invoice.payment_route.total_amt;
-      invoice.timestamp = invoice.decoded.timestamp;
-      invoice.memo = invoice.decoded.description;
+
+      // for internal invoices it might not have properties `payment_route`  and `decoded`...
+      if (invoice.payment_route) {
+        invoice.fee = +invoice.payment_route.total_fees;
+        invoice.value = +invoice.payment_route.total_fees + +invoice.payment_route.total_amt;
+      } else {
+        invoice.fee = 0;
+      }
+      if (invoice.decoded) {
+        invoice.timestamp = invoice.decoded.timestamp;
+        invoice.memo = invoice.decoded.description;
+      }
       result.push(invoice);
     }
 

controllers/api.js

@@ -106,12 +106,19 @@ router.post('/payinvoice', async function(req, res) {
   }
 
   if (!req.body.invoice) return errorBadArguments(res);
+  let freeAmount = false;
+  if (req.body.amount) freeAmount = parseInt(req.body.amount);
 
   let userBalance = await u.getBalance();
 
   lightning.decodePayReq({ pay_req: req.body.invoice }, async function(err, info) {
     if (err) return errorNotAValidInvoice(res);
 
+    if (+info.num_satoshis === 0) {
+      // 'tip' invoices
+      info.num_satoshis = freeAmount;
+    }
+
     if (userBalance >= info.num_satoshis) {
       // got enough balance
 
@@ -130,8 +137,15 @@ router.post('/payinvoice', async function(req, res) {
         // sender spent his balance:
         userBalance -= info.num_satoshis * 1;
         await u.saveBalance(userBalance);
+        await u.savePaidLndInvoice({
+          timestamp: parseInt(+new Date() / 1000),
+          type: 'paid_invoice',
+          value: info.num_satoshis * 1,
+          fee: 0, // internal invoices are free
+          memo: decodeURIComponent(info.description),
+        });
 
-        await u.setPaymentHashPaid(info.payment_hash);
+        await UserPayee.setPaymentHashPaid(info.payment_hash);
 
         return res.send(info);
       }
@@ -151,7 +165,7 @@ router.post('/payinvoice', async function(req, res) {
           return errorLnd(res);
         }
       });
-      let inv = { payment_request: req.body.invoice };
+      let inv = { payment_request: req.body.invoice, amt: info.num_satoshis }; // amt is used only for 'tip' invoices
       call.write(inv);
     } else {
       return errorNotEnougBalance(res);
@@ -207,9 +221,14 @@ router.get('/gettxs', async function(req, res) {
   }
 
   if (!(await u.getAddress())) await u.generateAddress(); // onchain addr needed further
-  await u.accountForPosibleTxids();
-  let txs = await u.getTxs();
-  res.send(txs);
+  try {
+    await u.accountForPosibleTxids();
+    let txs = await u.getTxs();
+    res.send(txs);
+  } catch (Err) {
+    console.log(Err);
+    res.send([]);
+  }
 });
 
 router.get('/getuserinvoices', async function(req, res) {

controllers/website.js

@@ -4,16 +4,63 @@ let fs = require('fs');
 let mustache = require('mustache');
 let lightning = require('../lightning');
 
-router.get('/', function(req, res) {
-  let html = fs.readFileSync('./templates/index.html').toString('utf8');
+let lightningGetInfo = {};
+let lightningListChannels = {};
+function updateLightning() {
   lightning.getInfo({}, function(err, info) {
     if (err) {
       console.error('lnd failure');
       process.exit(3);
     }
-    res.setHeader('Content-Type', 'text/html');
-    return res.status(200).send(mustache.render(html, info));
+    lightningGetInfo = info;
   });
+
+  lightning.listChannels({}, function(err, response) {
+    if (err) {
+      console.error('lnd failure');
+      process.exit(3);
+    }
+    lightningListChannels = response;
+    let channels = [];
+    for (let channel of lightningListChannels.channels) {
+      let divider = 524287;
+      let ascii_length1 = channel.local_balance / divider;
+      let ascii_length2 = channel.remote_balance / divider;
+      channel.ascii = '[';
+      channel.ascii += '-'.repeat(Math.round(ascii_length1));
+      channel.ascii += '/' + '-'.repeat(Math.round(ascii_length2));
+      channel.ascii += ']';
+      channel.capacity_btc = channel.capacity / 100000000;
+      channel.name = pubkey2name[channel.remote_pubkey];
+      channels.push(channel);
+    }
+    lightningListChannels.channels = channels;
+  });
+}
+updateLightning();
+setInterval(updateLightning, 60000);
+
+const pubkey2name = {
+  '03e50492eab4107a773141bb419e107bda3de3d55652e6e1a41225f06a0bbf2d56': 'yalls.org',
+  '0232e20e7b68b9b673fb25f48322b151a93186bffe4550045040673797ceca43cf': 'zigzag.io',
+  '02df5ffe895c778e10f7742a6c5b8a0cefbe9465df58b92fadeb883752c8107c8f': 'blockstream store',
+  '030c3f19d742ca294a55c00376b3b355c3c90d61c6b6b39554dbc7ac19b141c14f': 'bitrefill.com',
+  '03864ef025fde8fb587d989186ce6a4a186895ee44a926bfc370e2c366597a3f8f': 'ACINQ',
+  '03abf6f44c355dec0d5aa155bdbdd6e0c8fefe318eff402de65c6eb2e1be55dc3e': 'OpenNode',
+  '0242a4ae0c5bef18048fbecf995094b74bfb0f7391418d71ed394784373f41e4f3': 'coingate.com',
+  '0279c22ed7a068d10dc1a38ae66d2d6461e269226c60258c021b1ddcdfe4b00bc4': 'ln1.satoshilabs.com',
+  '02c91d6aa51aa940608b497b6beebcb1aec05be3c47704b682b3889424679ca490': 'lnd-21.LNBIG.com',
+  '024655b768ef40951b20053a5c4b951606d4d86085d51238f2c67c7dec29c792ca': 'satoshis.place',
+};
+
+router.get('/', function(req, res) {
+  if (!lightningGetInfo) {
+    console.error('lnd failure');
+    process.exit(3);
+  }
+  res.setHeader('Content-Type', 'text/html');
+  let html = fs.readFileSync('./templates/index.html').toString('utf8');
+  return res.status(200).send(mustache.render(html, Object.assign({}, lightningGetInfo, lightningListChannels)));
 });
 
 router.get('/about', function(req, res) {

package-lock.json

@@ -2368,11 +2368,13 @@
         },
         "balanced-match": {
           "version": "1.0.0",
-          "bundled": true
+          "bundled": true,
+          "optional": true
         },
         "brace-expansion": {
           "version": "1.1.11",
           "bundled": true,
+          "optional": true,
           "requires": {
             "balanced-match": "^1.0.0",
             "concat-map": "0.0.1"
@@ -2385,15 +2387,18 @@
         },
         "code-point-at": {
           "version": "1.1.0",
-          "bundled": true
+          "bundled": true,
+          "optional": true
         },
         "concat-map": {
           "version": "0.0.1",
-          "bundled": true
+          "bundled": true,
+          "optional": true
         },
         "console-control-strings": {
           "version": "1.1.0",
-          "bundled": true
+          "bundled": true,
+          "optional": true
         },
         "core-util-is": {
           "version": "1.0.2",
@@ -2496,7 +2501,8 @@
         },
         "inherits": {
           "version": "2.0.3",
-          "bundled": true
+          "bundled": true,
+          "optional": true
         },
         "ini": {
           "version": "1.3.5",
@@ -2506,6 +2512,7 @@
         "is-fullwidth-code-point": {
           "version": "1.0.0",
           "bundled": true,
+          "optional": true,
           "requires": {
             "number-is-nan": "^1.0.0"
           }
@@ -2518,17 +2525,20 @@
         "minimatch": {
           "version": "3.0.4",
           "bundled": true,
+          "optional": true,
           "requires": {
             "brace-expansion": "^1.1.7"
           }
         },
         "minimist": {
           "version": "0.0.8",
-          "bundled": true
+          "bundled": true,
+          "optional": true
         },
         "minipass": {
           "version": "2.2.4",
           "bundled": true,
+          "optional": true,
           "requires": {
             "safe-buffer": "^5.1.1",
             "yallist": "^3.0.0"
@@ -2545,6 +2555,7 @@
         "mkdirp": {
           "version": "0.5.1",
           "bundled": true,
+          "optional": true,
           "requires": {
             "minimist": "0.0.8"
           }
@@ -2617,7 +2628,8 @@
         },
         "number-is-nan": {
           "version": "1.0.1",
-          "bundled": true
+          "bundled": true,
+          "optional": true
         },
         "object-assign": {
           "version": "4.1.1",
@@ -2627,6 +2639,7 @@
         "once": {
           "version": "1.4.0",
           "bundled": true,
+          "optional": true,
           "requires": {
             "wrappy": "1"
           }
@@ -2732,6 +2745,7 @@
         "string-width": {
           "version": "1.0.2",
           "bundled": true,
+          "optional": true,
           "requires": {
             "code-point-at": "^1.0.0",
             "is-fullwidth-code-point": "^1.0.0",

package.json

@@ -1,6 +1,6 @@
 {
   "name": "LndHub",
-  "version": "1.0.0",
+  "version": "1.1.0",
   "description": "",
   "main": "index.js",
   "scripts": {

templates/index.html

@@ -44,6 +44,19 @@
             {{#uris}}
             <pre class="line">{{.}}</pre>
             {{/uris}}
+            <pre class="line"> </pre>
+            <pre class="line"><span class="dyer-white">Channels:</span></pre>
+
+            <table>
+            {{#channels}}
+                <tr>
+                    <td><pre class="line">{{ascii}}</pre></td>
+                    <td><pre class="line">{{capacity_btc}} BTC  </pre></td>
+                    <td><pre class="line"><a href="https://1ml.com/node/{{remote_pubkey}}" target="_blank">{{remote_pubkey}}</a> {{name}}  </pre></td>
+                </tr>
+            {{/channels}}
+            </table>
+
             <pre class="line"> </pre>
             <pre class="line"><span class="dyer-white">num_active_channels:</span></pre>
             <pre class="line">{{num_active_channels}}</pre>