added rich list and stats page

config/routes.php

@@ -50,6 +50,7 @@ Router::scope('/', function (RouteBuilder $routes) {
     $routes->connect('/claims/*', ['controller' => 'Main', 'action' => 'claims']);
     $routes->connect('/find', ['controller' => 'Main', 'action' => 'find']);
     $routes->connect('/realtime', ['controller' => 'Main', 'action' => 'realtime']);
+    $routes->connect('/stats', ['controller' => 'Main', 'action' => 'stats']);
     $routes->connect('/tx/*', ['controller' => 'Main', 'action' => 'tx']);
     $routes->connect('/qr/*', ['controller' => 'Main', 'action' => 'qr']);
 

sql/lbryexplorer.ddl.sql

@@ -73,6 +73,7 @@ CREATE TABLE `Addresses`
     `FirstSeen` DATETIME,
     `TotalReceived` DECIMAL(18,8) DEFAULT 0 NOT NULL,
     `TotalSent` DECIMAL(18,8) DEFAULT 0 NOT NULL,
+    `Balance` DECIMAL(18,8) AS (`TotalReceived` - `TotalSent`) PERSISTENT,
     `Tag` VARCHAR(30) NOT NULL,
     `TagUrl` VARCHAR(200),
     `Created` DATETIME NOT NULL,
@@ -82,6 +83,7 @@ CREATE TABLE `Addresses`
     UNIQUE KEY `Idx_AddressTag` (`Tag`),
     INDEX `Idx_AddressTotalReceived` (`TotalReceived`),
     INDEX `Idx_AddressTotalSent` (`TotalSent`),
+    INDEX `Idx_AddressBalance` (`Balance`),
     INDEX `Idx_AddressCreated` (`Created`),
     INDEX `Idx_AddressModified` (`Modified`)
 ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE utf8mb4_unicode_ci ROW_FORMAT=COMPRESSED KEY_BLOCK_SIZE=4;
@@ -232,4 +234,6 @@ CREATE TABLE `PriceHistory`
     UNIQUE KEY `Idx_PriceHistoryCreated` (`Created`)
 ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE utf8mb4_unicode_ci ROW_FORMAT=COMPRESSED KEY_BLOCK_SIZE=4;
 
-ALTER TABLE Claims ADD UNIQUE KEY `Idx_ClaimUnique` (`TransactionHash`, `Vout`, `ClaimId`);
+ALTER TABLE Claims ADD UNIQUE KEY `Idx_ClaimUnique` (`TransactionHash`, `Vout`, `ClaimId`);
+ALTER TABLE Addresses ADD COLUMN `Balance` DECIMAL(18,8) AS (`TotalReceived` - `TotalSent`) PERSISTENT AFTER `TotalSent`;
+ALTER TABLE Addresses ADD INDEX `Idx_AddressBalance` (`Balance`);

src/Controller/MainController.php

@@ -491,6 +491,37 @@ class MainController extends AppController {
         $this->set('sourceAddress', $sourceAddress);
     }
 
+    public function stats() {
+        $this->loadModel('Addresses');
+
+        $richList = $this->Addresses->find()->order(['Balance' => 'DESC'])->limit(500)->toArray();
+
+        $priceRate = 0;
+        $priceInfo = json_decode($this->redis->get(self::lbcPriceKey));
+        if (isset($priceInfo->price)) {
+            $priceRate = $priceInfo->price;
+        }
+
+        // calculate percentages
+        $totalBalance = 0;
+        $maxBalance = 0;
+        $minBalance = 0;
+        foreach ($richList as $item) {
+            $totalBalance = bcadd($totalBalance, $item->Balance, 8);
+            $minBalance = $minBalance == 0 ? $item->Balance : min($minBalance, $item->Balance);
+            $maxBalance = max($maxBalance, $item->Balance);
+        }
+        for ($i = 0; $i < count($richList); $i++) {
+            $item = $richList[$i];
+            $percentage = bcdiv($item->Balance, $totalBalance, 8) * 100;
+            $richList[$i]->Top500Percent = $percentage;
+            $richList[$i]->MinMaxPercent = bcdiv($item->Balance, $maxBalance, 8) * 100;
+        }
+
+        $this->set('richList', $richList);
+        $this->set('rate', $priceRate);
+    }
+
     public function address($addr = null) {
         set_time_limit(0);
 
@@ -558,7 +589,7 @@ class MainController extends AppController {
                 $offset = ($page - 1) * $pageLimit;
             }
 
-            $stmt = $conn->execute('SELECT A.TotalReceived, A.TotalSent FROM Addresses A WHERE A.Id = ?', [$address->Id]);
+            $stmt = $conn->execute('SELECT A.TotalReceived, A.TotalSent, A.Balance FROM Addresses A WHERE A.Id = ?', [$address->Id]);
             $totals = $stmt->fetch(\PDO::FETCH_OBJ);
 
             $stmt = $conn->execute(sprintf('SELECT T.Id, T.Hash, T.InputCount, T.OutputCount, T.Value, ' .
@@ -572,7 +603,7 @@ class MainController extends AppController {
 
             $totalRecvAmount = $totals->TotalReceived == 0 ? '0' : $totals->TotalReceived + 0;
             $totalSentAmount = $totals->TotalSent == 0 ? '0' : $totals->TotalSent + 0;
-            $balanceAmount = bcsub($totalRecvAmount, $totalSentAmount, 8) + 0;
+            $balanceAmount = $totals->Balance == 0 ? '0' : $totals->Balance + 0;
         }
 
         $this->set('offset', $offset);

src/Template/Main/index.ctp

@@ -116,7 +116,7 @@
             <div class="title">LBRY Block Explorer</div>
             <form method="get" action="/find">
                 <input class="search-input" name="q" type="text" placeholder="Enter a block height or hash, claim id or name, transaction hash or address" />
-                <div class="ctls"><button class="btn btn-search">Search</button> <a href="/realtime">Realtime</a></div>
+                <div class="ctls"><button class="btn btn-search">Search</button> <div class="links"><a href="/realtime">Realtime</a> &bull; <a href="/stats" class="last">Stats</a></div></div>
             </form>
         </div>
 

src/Template/Main/stats.ctp

@@ -0,0 +1,53 @@
+<?php $this->assign('title', 'Stats &amp; Rich List') ?>
+
+<?php $this->start('script'); ?>
+<script type="text/javascript">
+
+</script>
+<?php $this->end(); ?>
+
+<?php echo $this->element('header') ?>
+
+<div class="stats-head">
+    <h3>LBRY Stats</h3>
+</div>
+
+<div class="stats-main">
+
+    <div class="richlist">
+        <h3>LBRY Rich List (Top 500)</h3>
+        <table class="table">
+            <thead>
+                <tr>
+                    <th class="w50 right">Rank</th>
+                    <th class="w300 left">Address</th>
+                    <th class="w150 right">Balance (LBC)</th>
+                    <th class="w150 right">Balance (USD)</th>
+                    <th class="w200 left med-pad-left">First Seen</th>
+                    <th class="w200 center">% Top 500</th>
+                </tr>
+            </thead>
+
+            <tbody>
+                <?php $rank = 0; foreach ($richList as $item): $rank++; ?>
+                <tr>
+                    <td class="right topvalign"><?php echo $rank ?></td>
+                    <td class="topvalign"><a href="/address/<?php echo $item->Address ?>" target="_blank"><?php echo $item->Address ?></a>
+                    <?php  if (isset($item->Tag) && strlen(trim($item->Tag)) > 0): ?>
+                    <div class="tag">
+                        <?php if (strlen(trim($item->TagUrl)) > 0): ?><a href="<?php echo $item->TagUrl ?>" target="_blank" rel="nofollow"><?php echo $tiem->Tag ?></a><?php else: echo $item->Tag; endif; ?>
+                    </div>
+                    <?php endif; ?></td>
+                    <td class="right topvalign"><?php echo number_format($item->Balance, 8, '.', ',') ?></td>
+                    <td class="right topvalign">$<?php echo number_format(bcmul($item->Balance, $rate, 8), 2, '.', ',') ?></td>
+                    <td class="med-pad-left topvalign"><?php echo $item->FirstSeen->format('d M Y H:i:s') . ' UTC'; ?></td>
+                    <td class="w150 center top500-percent-cell"><div class="top500-percent" style="width: <?php echo $item->MinMaxPercent ?>%"></div><div class="text"><?php echo number_format($item->Top500Percent, 2, '.', '') ?>%</div></td>
+                </tr>
+                <?php endforeach; ?>
+            </tbody>
+        </table>
+    </div>
+
+    <div class="clear"></div>
+
+</div>

webroot/css/main.css

@@ -21,7 +21,9 @@ border-radius: 0 6px 8px 0 }
 .home-container-cell .ctls { width: 720px; text-align: center; margin: 24px auto; position: relative }
 .home-container-cell .ctls .btn-search { font-size: 115%; display: inline-block; padding: 12px 48px; background: #1e88e5; color: #fff; border-radius: 8px; border: none; font-weight: 300; cursor: pointer }
 .home-container-cell .ctls .btn-search:hover { background: #1976d2 }
-.home-container-cell .ctls a { font-size: 115%; display: inline-block; font-weight: 300; position: absolute; right: 0; padding-top: 12px }
+.home-container-cell .ctls .links { display: inline-block; font-weight: 300; position: absolute; right: 0; padding-top: 12px; }
+.home-container-cell .ctls a { font-size: 115%; display: inline-block; margin-right: 12px }
+.home-container-cell .ctls a.last { margin-left: 12px; margin-right: 0 }
 .home-container-cell .ctls a:hover { text-decoration: none; color: #1976d2 }
 
 .home-container-cell .recent-blocks { width: 1000px; margin: 48px auto 0 auto; box-shadow: 0 2px 6px rgba(0,0,0,.175); border: 1px solid rgba(0,0,0,.15); padding: 24px 24px 36px 24px; cursor: default; position: relative }
@@ -122,14 +124,17 @@ border-radius: 0 6px 8px 0 }
 .table thead tr th { border-top: 1px solid #ddd; border-bottom: 1px solid #ddd; padding: 12px 4px }
 .table tbody tr td { padding: 8px; border-bottom: 1px solid #eee; font-weight: 300; white-space: nowrap }
 .table tbody tr td.nodata { text-align: center; font-style: italic; font-weight: 300 }
+.table .topvalign { vertical-align: top }
 .table .last-cell { padding-left: 48px }
 .table .pad-right { padding-right: 12px }
 .table .pad-left { padding-left: 48px }
+.table .med-pad-left { padding-left: 24px }
 
 .left { text-align: left }
 .center { text-align: center }
 .right { text-align: right }
 
+.w50 { width: 50px }
 .w80 { width: 80px }
 .w100 { width: 100px }
 .w125 { width: 125px }
@@ -139,6 +144,7 @@ border-radius: 0 6px 8px 0 }
 .w250, .w250 > div { width: 250px }
 .w275, .w275 > div { width: 275px }
 .w300, .w300 > div { width: 300px }
+.w350 { width: 350px }
 .w200 > div, .w250 > div, .w275 > div, .w300 > div { overflow: hidden; text-overflow: ellipsis; white-space: nowrap }
 
 footer { padding-top: 64px; font-size: 80%; cursor: default }
@@ -196,6 +202,17 @@ footer .content .page-time { position: absolute; right: 12px; bottom: 0px; paddi
 .realtime-main .realtime-blocks { width: 350px; box-shadow: 0 2px 6px rgba(0,0,0,.175); border: 1px solid rgba(0,0,0,.15); padding: 24px; cursor: default; float: left }
 .realtime-main .realtime-tx { width: 800px; margin-left: 50px; box-shadow: 0 2px 6px rgba(0,0,0,.175); border: 1px solid rgba(0,0,0,.15); padding: 24px; cursor: default; float: left }
 
+.stats-head { width: 1200px; margin: 0 auto 36px auto; cursor: default }
+.stats-head h3 { font-weight: 300; margin: 0; font-size: 200% }
+.stats-main .richlist { width: 1200px; margin: 0 auto; box-shadow: 0 2px 6px rgba(0,0,0,.175); border: 1px solid rgba(0,0,0,.15); padding: 24px; cursor: default }
+.stats-main .richlist .tag { font-weight: normal; margin-top: 1px; font-size: 80%; color: #333 }
+.stats-main .richlist .tag a:link, .tx-details-layout .tag a:visited { color: #333 }
+.stats-main .richlist .tag a:hover { text-decoration: none }
+.stats-main .richlist .top500-percent-cell { padding: 0; position: relative }
+.stats-main .richlist .top500-percent { background: #e3f2fd; height: 100%; position: absolute; top: 0 }
+.stats-main .richlist .top500-percent-cell .text { z-index: 100; position: relative }
+.stats-main h3 { font-weight: 300; margin: 0 0 12px 0 }
+
 .stats { width: 1000px; margin: 0 auto 48px auto; box-shadow: 0 2px 6px rgba(0,0,0,.175); border: 1px solid rgba(0,0,0,.15); padding: 24px; cursor: default }
 .stats .box { padding: 24px 0; border-right: 1px solid #ccc; float: left; text-align: center; width: 25% }
 .stats .box .title { color: #1e88e5; font-size: 90% }