From e48e6b0186af7c57309d2b765583816080a285da Mon Sep 17 00:00:00 2001
From: joeuhren <46763106+joeuhren@users.noreply.github.com>
Date: Fri, 20 Nov 2020 14:32:27 -0700
Subject: [PATCH] Add gettx API

---
 app.js         | 50 ++++++++++++++++++++++++++++++++++++++++++++++++++
 views/info.pug |  7 +++++++
 2 files changed, 57 insertions(+)

diff --git a/app.js b/app.js
index f45761d..e353d35 100644
--- a/app.js
+++ b/app.js
@@ -85,6 +85,56 @@ app.use('/ext/getaddress/:hash', function(req,res){
   });
 });
 
+app.use('/ext/gettx/:txid', function(req, res) {
+  var txid = req.param('txid');
+  db.get_tx(txid, function(tx) {
+    if (tx) {
+      lib.get_blockcount(function(blockcount) {
+        res.send({ active: 'tx', tx: tx, confirmations: settings.confirmations, blockcount: blockcount});
+      });
+    }
+    else {
+      lib.get_rawtransaction(txid, function(rtx) {
+        if (rtx.txid) {
+          lib.prepare_vin(rtx, function(vin) {
+            lib.prepare_vout(rtx.vout, rtx.txid, vin, function(rvout, rvin) {
+              lib.calculate_total(rvout, function(total){
+                if (!rtx.confirmations > 0) {
+                  var utx = {
+                    txid: rtx.txid,
+                    vin: rvin,
+                    vout: rvout,
+                    total: total.toFixed(8),
+                    timestamp: rtx.time,
+                    blockhash: '-',
+                    blockindex: -1,
+                  };
+                  res.send({ active: 'tx', tx: utx, confirmations: settings.confirmations, blockcount:-1});
+                } else {
+                  var utx = {
+                    txid: rtx.txid,
+                    vin: rvin,
+                    vout: rvout,
+                    total: total.toFixed(8),
+                    timestamp: rtx.time,
+                    blockhash: rtx.blockhash,
+                    blockindex: rtx.blockheight,
+                  };
+                  lib.get_blockcount(function(blockcount) {
+                    res.send({ active: 'tx', tx: utx, confirmations: settings.confirmations, blockcount: blockcount});
+                  });
+                }
+              });
+            });
+          });
+        } else {
+          res.send({ error: 'tx not found.', hash: txid});
+        }
+      });
+    }
+  });
+});
+
 app.use('/ext/getbalance/:hash', function(req,res){
   db.get_address(req.params.hash, false, function(address){
     if (address) {
diff --git a/views/info.pug b/views/info.pug
index 7dc3113..3f73c60 100644
--- a/views/info.pug
+++ b/views/info.pug
@@ -138,6 +138,13 @@ block content
                 div
                   em Returns information for given address
                 a(href='/ext/getaddress/' + hashes.address) #{address}/ext/getaddress/#{hashes.address}
+            li
+            li
+              p
+                div(style='font-weight:bold;') gettx (/ext/gettx/hash)
+                div
+                  em Returns information for given tx hash
+                a(href='/ext/gettx/' + hashes.txhash) #{address}/ext/gettx/#{hashes.txhash}
             li
               p
                 div(style='font-weight:bold;') getbalance (/ext/getbalance/hash)