From d2f68fefe9e9e568c8abf693a9ef20c87ebaaebc Mon Sep 17 00:00:00 2001
From: tenthirtyone <Spactigus@gmail.com>
Date: Thu, 17 Aug 2017 17:41:07 -0400
Subject: [PATCH] need new mongo models from another branch

---
 server/config/index.js        |  3 ++-
 server/lib/api/transaction.js | 14 ++++++++++++--
 server/lib/db/transactions.js | 32 +++++++++++++++++++++++++++++---
 3 files changed, 43 insertions(+), 6 deletions(-)

diff --git a/server/config/index.js b/server/config/index.js
index 4c45558..50638e3 100644
--- a/server/config/index.js
+++ b/server/config/index.js
@@ -28,7 +28,8 @@ const config = {
     ticker_url: 'https://www.bitstamp.net/api/ticker/',
     ticker_prop: 'bitstamp',
     max_blocks: 72,
-    max_txs: 10,
+    max_txs: 50,
+    max_page_txs: 10,
     request_ttl: 100000,
   },
 };
diff --git a/server/lib/api/transaction.js b/server/lib/api/transaction.js
index d0f742b..15c79d1 100644
--- a/server/lib/api/transaction.js
+++ b/server/lib/api/transaction.js
@@ -86,7 +86,7 @@ module.exports = function transactionAPI(router) {
         return res.status(400).send({
           error: 'Invalid block hash',
         });
-      }      
+      }
       const height = db.blocks.bestHeight();
       // Get Bcoin data
       return request(`${API_URL}/block/${req.query.block}`,
@@ -204,7 +204,17 @@ module.exports = function transactionAPI(router) {
         });
     }
     // Get last n txs
-    return res.status(404).send({ error: 'Block hash or address expected' });
+    console.log('GETTING N TXS');
+    db.txs.getTopTransactions((err, txs) => {
+      if (err) {
+        logger.log('err',
+          `/txs getTopTransactions ${err}`);
+        return res.status(404).send(err);
+      }
+      return res.json(txs);
+    });
+
+    // return res.status(404).send({ error: 'Block hash or address expected' });
   });
 
   router.get('/rawtx/:txid', (req, res) => {
diff --git a/server/lib/db/transactions.js b/server/lib/db/transactions.js
index bfd90c3..68d93df 100644
--- a/server/lib/db/transactions.js
+++ b/server/lib/db/transactions.js
@@ -4,9 +4,12 @@ const config       = require('../../config');
 
 // For now, blocks handles these calls.
 // These will be replaced with more advanced mongo
+// No optimization yet.
 
-const MAX_TXS = config.api.max_txs;
+const MAX_TXS = config.api.max_page_txs;
+const MAX_PAGE_TXS = config.api.max_page_txs;
 
+// For Paging
 function getTransactions(params, options, limit, cb) {
   // Do not return mongo ids
   const defaultOptions = { _id: 0 };
@@ -17,8 +20,8 @@ function getTransactions(params, options, limit, cb) {
     limit = 1;
   }
 
-  if (limit > MAX_TXS) {
-    limit = MAX_TXS;
+  if (limit > MAX_PAGE_TXS) {
+    limit = MAX_PAGE_TXS;
   }
 
   if (limit < 1) {
@@ -57,7 +60,30 @@ function getTransaction(params, options, limit, cb) {
   });
 }
 
+// Req Change, refactor above
+function getTopTransactions(cb) {
+  // Do not return mongo ids
+  const defaultOptions = { _id: 0 };
+  // Query mongo
+  Transactions.find(
+    {},
+    (err, txs) => {
+      if (err) {
+        logger.log('error',
+          `getTransactions: ${err}`);
+        return cb(err);
+      }
+      if (!txs.length > 0) {
+        return cb({ err: 'Tx not found' });
+      }
+      return cb(null, txs);
+    })
+    .sort({ height: -1 })
+    .limit(MAX_TXS);
+}
+
 module.exports = {
   getTransaction,
   getTransactions,
+  getTopTransactions,
 };