Lightning Network (testnet)

rc.local

@@ -15,6 +15,7 @@ STRATUM_DIR=/var/stratum
 screen -dmS main $WEB_DIR/main.sh
 screen -dmS loop2 $WEB_DIR/loop2.sh
 screen -dmS blocks $WEB_DIR/blocks.sh
+#screen -dmS ln $WEB_DIR/ln.sh
 screen -dmS debug tail -f $LOG_DIR/debug.log
 
 # Stratum instances (skipped/exit if no .conf)

sql/2018-08-lightning-testnet.sql

@@ -0,0 +1,14 @@
+CREATE TABLE `invoices` (
+  `id` int(11) NOT NULL,
+  `userid` int(11) NOT NULL,
+  `workerid` int(11) NOT NULL,
+  `bolt11` varchar(1000) NOT NULL,
+  `amount` int(11) NOT NULL,
+  `paid` int(11) NOT NULL,
+  `shop` text,
+  `description` text NOT NULL,
+  `status` varchar(80) DEFAULT NULL,
+  `exectime` int(10) UNSIGNED NOT NULL
+) ENGINE=InnoDB DEFAULT CHARSET=utf8;
+
+ALTER TABLE `workers` ADD `work` DOUBLE NOT NULL DEFAULT '0.0' AFTER `algo`;

web/ln.sh

@@ -0,0 +1,15 @@
+#!/bin/bash
+
+PHP_CLI='php -d max_execution_time=60'
+
+DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+cd ${DIR}
+
+date
+echo started in ${DIR}
+
+while true; do
+        ${PHP_CLI} runconsole.php cronjob/runLightning
+        sleep 20
+done
+exec bash

web/yaamp/core/backend/blocks.php

@@ -61,6 +61,12 @@ function BackendBlockNew($coin, $db_block)
 		$user->save();
 	}
 
+	$target = yaamp_hashrate_constant($coin->algo);
+	$interval = yaamp_hashrate_step();
+	$delay = time()-$interval;
+
+	dborun("UPDATE workers w SET work = w.work + (SELECT (sum(difficulty) * $target / $interval / 1000) FROM shares WHERE valid AND time>".time()-$interval." AND workerid=w.id)");
+
 	$delay = time() - 5*60;
 	$sqlCond = "time < $delay";
 	if(!YAAMP_ALLOW_EXCHANGE) // only one coin mined

web/yaamp/core/backend/payment.php

@@ -32,6 +32,14 @@ function BackendUserCancelFailedPayment($userid)
 	return 0.0;
 }
 
+function is_ln_invoice($bill)
+{
+if (!empty($bill) && preg_match('/[^A-Za-z0-9]/', $bill))
+	return false;
+else
+	return true; // TODO: Enhance the check of the bolt11 invoice (length, first characters, ...)
+}
+
 function BackendCoinPayments($coin)
 {
 //	debuglog("BackendCoinPayments $coin->symbol");
@@ -106,6 +114,34 @@ function BackendCoinPayments($coin)
 	{
 		$total_to_pay += round($user->balance, 8);
 		$addresses[$user->username] = round($user->balance, 8);
+		if ($coin->symbol==LN_COIN && LN_ENABLED == true && YAAMP_LN_WORKERS == true)	{
+			$ln_works = getdbolist('db_workers', "work > 0 AND worker <> '' AND userid=".$user->id);
+			foreach($ln_works as $ln_work)	{
+				if (is_ln_invoice($ln_work->worker))	{
+                                        $output = shell_exec('sudo lightning-cli -J decodepay '.$ln_work->worker);
+                                        $bill = json_decode($output);
+                                        // TODO: Enhance and add pool fee
+					if ($ln_work->work * YAAMP_LN_FACTOR > $bill->msatoshi / 1000 && $user->balance > $bill->msatoshi / 1000)	{
+						$db_bill = getdbosql('db_invoices', "bolt11=:bolt11", array(':bolt11'=>$ln_work->worker));
+						if (!$db_bill)  {
+							dborun("INSERT IGNORE INTO invoices(bolt11, status) VALUES (:key,:val)", array(
+								':key'=>$bill,':val'=>"New"
+								));
+						}
+						if ($db_bill && $db_bill->status == "complete")	 {
+							// Invoice is already paid, no need to change total_to_pay and addresses
+						}
+						else	{
+							// Invoice is not paid yet: some value should be kept to pay it
+							// TODO: Add pool fee
+							$total_to_pay -= round($bill->msatoshi / 1000, 8);
+							$addresses[$user->username] -= round($bill->msatoshi / 1000, 8);
+						}
+					}
+				}
+			}
+		}
+
 		// transaction xxx has too many sigops: 1035 > 1000
 		if ($coin->symbol == 'DCR' && count($addresses) > 990) {
 			debuglog("payment: more than 990 {$coin->symbol} users to pay, limit to top balances...");

web/yaamp/defaultconfig.php

@@ -72,3 +72,25 @@
 // cli stuff
 if (!defined('YIIMP_CLI_ALLOW_TXS')) define('YIIMP_CLI_ALLOW_TXS', false);
 
+// Lightning Network
+if (!defined('LN_ENABLED')) define('LN_ENABLED', false);
+if (!defined('LN_MY_BTC_ADDRESS')) define('LN_MY_BTC_ADDRESS', '');
+if (!defined('LN_MY_LN_ADDRESS')) define('LN_MY_LN_ADDRESS', '');
+if (!defined('LN_COIN')) define('LN_COIN', 'BTC');
+if (!defined('LN_MY_IP')) define('LN_MY_IP', '');
+if (!defined('LN_MY_PORT')) define('LN_MY_PORT', '9735');
+if (!defined('LN_FRACTION')) define('LN_FRACTION', 7); // Fraction of main BTC wallet to fund channels
+if (!defined('LN_MIN_PAY')) define('LN_MIN_PAY', 1000); // min payout in satoshis
+if (!defined('LN_MAIN_NODE')) define('LN_MAIN_NODE', '');
+if (!define('YAAMP_LN_NET')) define('YAAMP_LN_NET', 'TESTNET'); // TESTNET or MAINET
+if (!define('YAAMP_LN_WORKERS')) define('YAAMP_LN_WORKERS', false);
+if (!define('YAAMP_LN_FACTOR')) define('YAAMP_LN_FACTOR', 0.8);
+
+if (!isset($configLNGamePlayers)) $configLNGamePlayers = array (
+        /*
+        // testnet:
+        'testnet.millionbitcoinhomepage.net' => array('023bcc1daeb7c85208991e993a2eacf86f7d9584a6dc33291bbe5e19c986a31568', '51.15.250.152', '9735'),
+        'yalls.org' => array('02212d3ec887188b284dbb7b2e6eb40629a6e14fb049673f22d2a0aa05f902090e', '54.236.55.50', '9735'),
+        'testnet.satoshis.place' => array('02dd4cef0192611bc34cd1c3a0a7eb0f381e7229aa3309ae961a7fc0076b4d2bb6', '35.198.136.5', '9735')
+        */
+        );

web/yaamp/modules/site/SiteController.php

@@ -1192,4 +1192,9 @@ public function actionMainbtc()
 		setcookie('mainbtc', '1', time()+60*60*24, '/');
 	}
 
+	public function actionLn()
+        {
+		if(LN_ENABLED == false || (YAAMP_LN_NET == 'MAINET' && !$this->admin)) return;
+                $this->render('/site/ln');
+        }
 }

web/yaamp/modules/site/index.php

@@ -67,6 +67,18 @@
 <?php endif; ?>
 <li>As optional password, you can use <b>-p c=&lt;SYMBOL&gt;</b> if yiimp does not set the currency correctly on the Wallet page.</li>
 <li>See the "Pool Status" area on the right for PORT numbers. Algorithms without associated coins are disabled.</li>
+<?php if (LN_ENABLED): ?>
+Lightning Network payments are enabled on this pool on <b><?php echo YAAMP_LN_NET; ?></b>. You can send Lightning Network invoices using <?php
+if (YAAMP_LN_NET == 'TESTNET') echo '<a href="/site/ln">LN page</a>';
+if (YAAMP_LN_NET == 'TESTNET' && YAAMP_LN_WORKERS == true) echo ' or ';
+if (YAAMP_LN_WORKERS == true)	{
+	?>the workername to send the invoice. Example:
+	<p class="main-left-box" style='padding: 3px; font-size: .8em; background-color: #ffffee; font-family: monospace;'>
+	-o stratum+tcp://<?= YAAMP_STRATUM_URL ?>:&lt;PORT&gt; -u &lt;WALLET_ADDRESS&gt;.&lt;invoice&gt; [-p &lt;OPTIONS&gt;]</p>
+	Lightning Network invoices can be generated from a LN wallet or directly on a merchant's website (<a href="http://lightningnetworkstores.com/">List of merchants (mainet)</a>, <a href="http://lightningnetworkstores.com/testnet">List of merchants (testnet)</a>).
+	<?php
+	}
+endif; ?>
 
 <br>
 

web/yaamp/modules/site/ln.php

@@ -0,0 +1,240 @@
+<?php
+
+JavascriptFile("/extensions/jqplot/jquery.jqplot.js");
+JavascriptFile("/extensions/jqplot/plugins/jqplot.dateAxisRenderer.js");
+JavascriptFile("/extensions/jqplot/plugins/jqplot.barRenderer.js");
+JavascriptFile("/extensions/jqplot/plugins/jqplot.highlighter.js");
+JavascriptFile("/extensions/jqplot/plugins/jqplot.cursor.js");
+JavascriptFile('/yaamp/ui/js/auto_refresh.js');
+
+echo <<<END
+<!--
+<div id='resume_update_button' style='color: #444; background-color: #ffd; border: 1px solid #eea;
+        padding: 10px; margin-left: 20px; margin-right: 20px; margin-top: 15px; cursor: pointer; display: none;'
+        onclick='auto_page_resume();' align=center>
+        <b>Auto refresh is paused - Click to resume</b></div>
+-->
+<table cellspacing=20 width=100%>
+<tr><td valign=top width=50%>
+END;
+
+echo <<<END
+<div class="main-left-box">
+<div class="main-left-title">Lightning Network (testnet)</div>
+<div class="main-left-inner">
+END;
+
+//echo "<h1>Lightning Network (testnet)</h1>";
+
+echo "<p>Lightning Network (LN) is a second-layer network based on bitcoin on-chain transactions. ";
+echo "It allows to perform bitcoin transactions with less fees and high speed.</p>";
+//echo "More informations: <a href=\"https://lightning.network/\">lightning.network</a></p>";
+echo "<p><b>This page allows you to pay LN bills/invoices on testnet for any service on testnet.</b></p>";
+
+//echo "<h2> ?</h2>";
+?>
+
+
+<ul>
+<!--
+<li>Bitcoin, altcoins and mining pools are still in development.</li>
+<li>This pool allows miners to pay any testnet bill from <a href="https://testnet.millionbitcoinhomepage.net/">The Million Bitcoin Homepage</a>
+(but you can also try with yaals, Starblocks or testnet.satoshis.place) using testnet coins.</li>
+<b>How to use ?</b>
+<li>1. Go to <a href="https://testnet.millionbitcoinhomepage.net/">The Million Bitcoin Homepage</a>,</li>
+<li>2. Make a drawing, click on "Publish your pixels",</li>
+<li>3. Copy/paste the payment request (invoice bolt11 reference) into the field here below and click on "Pay my testnet bill".</li>
+<li>4. Refresh the page to make sure that the payment was executed.</li>
+-->
+<?php
+
+$bill = getparam('bill');
+if (!empty($bill) && preg_match('/[^A-Za-z0-9]/', $bill)) {
+echo "<b>Please type a bolt11 testnet bill. <a href='/site/ln'>Try again</a></b>";
+//      die;
+}
+else if (!empty($bill)) {
+// Save bill (or pay it directly if enough funds)
+$db_bill = getdbosql('db_invoices', "bolt11=:bolt11", array(':bolt11'=>$bill));
+// etdbo('db_invoices', $bill);
+
+if (!$db_bill)  {
+        echo  <<<END
+<br />
+<div class="main-left-box">
+<div class="main-left-title">Invoice payment status</div>
+<div class="main-left-inner">
+<p>
+        <b>Your invoice was saved in the list of invoices to pay</b>, it will be paid soon. Please refresh this page in few seconds.<br />
+A scheduled task is running once per 20 seconds to pay automatically all bills in the list.
+</p>
+</div></div>
+END;
+        dborun("INSERT IGNORE INTO invoices(bolt11, status) VALUES (:key,:val)", array(
+                ':key'=>$bill,':val'=>"New"
+        ));
+}
+else    {
+        echo <<<END
+<br />
+<div class="main-left-box">
+<div class="main-left-title">Invoice payment status</div>
+<div class="main-left-inner">
+END;
+        echo "<p><b>This bill is already into the list of bills.</b><br />";
+        echo "Its status is: <b>".$db_bill->status."</b><br />";
+        switch ($db_bill->status)       {
+                case 'New':
+                        echo "<b>The scheduled task did not run yet, your invoice will be processed in a short while.</b>";
+                        break;
+                case 'maxfee':
+                        echo "<b>The fee associated with your invoice is too high compared to the invoice amount. As the maximum fee is 4% for normal invoices, your invoice won't be paid. Please try again with a higher amount.</b>";
+                        break;
+                case 'synok':
+                        echo "<b>Synthax and destinator of the bill are correct.</b>";
+                        break;
+                case 'underpay':
+                        echo "Payment of bill is <b>ongoing</b>.";
+                        break;
+                case 'complete':
+                        echo "<b style='color: green;'>Bill of ".$db_bill->amount." millisatoshi is paid (";
+                        echo number_format($db_bill->amount / 1000, 0)." satoshi = ";
+                        echo number_format($db_bill->amount / 100000000000, 8)." bitcoin).</b><br />";
+                        echo "Fee was ".($db_bill->paid - $db_bill->amount)." millisatoshi (";
+                        echo number_format(100*($db_bill->paid - $db_bill->amount)/$db_bill->amount, 2)." %)";
+                        break;
+                default:
+                        echo "Err";
+        }
+echo "</p><p>";
+global $configLNGamePlayers;
+$found = false;
+if ($db_bill->shop != "")       {
+//echo $db_bill->shop;
+//var_dump($db_bill);
+        foreach ($configLNGamePlayers as $name => $player)      {
+                if ($player[0] == $db_bill->shop)       {
+                        echo "<b>Shop:</b> <a href='http://$name'>".$name."</a> (".$db_bill->shop.") ";
+                        $found = true;
+                        break;
+                        }
+                }
+        if ($found == false)    {
+                echo "<b>Shop:</b> Unknown shop (".$db_bill->shop.").";
+                }
+
+echo "<br /><b>Amount:</b> ".$db_bill->amount. " millisatoshi (";
+                        echo number_format($db_bill->amount / 1000, 3)." satoshi = ";
+                        echo number_format($db_bill->amount / 100000000000, 11)." bitcoin).<br />";
+echo "<b>Description:</b> ".$db_bill->description;
+        }
+echo "</p></div></div>";
+
+}
+echo "<br />";
+echo "<p>Please refresh this screen to check the status of payment of the testnet bill.<br /></p>";
+
+}
+else
+echo <<<END
+<br />
+<div class="main-left-box">
+<div class="main-left-title">Pay testnet bill:</div>
+<div class="main-left-inner">
+<form method="GET" action="/site/ln" style="padding: 10px;">
+<label for="bill">Enter your testnet bill:</label>
+<input type="text" name="bill" class="main-text-input" placeholder="invoice"/>
+<input type="submit" value="Pay invoice"  class="main-submit-button" />
+<br />
+<br />
+Your testnet bill should be created on a testnet shop such as <a href="https://testnet.millionbitcoinhomepage.net/">The Million Bitcoin Homepage</a> or another testnet shop that works with the LN node of the pool.
+</form>
+</div></div>
+<br />
+END;
+
+echo <<<END
+<div class="main-left-box">
+<div class="main-left-title">How to use ?</div>
+<div class="main-left-inner">
+<ul>
+<li><b>Bitcoin, altcoins and mining pools are still in development.</b></li>
+<li>This pool allows miners to pay any testnet bill from <a href="https://testnet.millionbitcoinhomepage.net/">The Million Bitcoin Homepage</a>
+(but you can also try with other LN testnet merchants such as <a href="https://yalls.org/">yaals</a>, <a href="https://starblocks.acinq.co/">
+Starblocks</a> or <a href="https://testnet.satoshis.place/">testnet.satoshis.place</a>) with Lightning Network on Bitcoin testnet.</li>
+<b>How to use ?</b>
+<li>1. Go to <a href="https://testnet.millionbitcoinhomepage.net/">The Million Bitcoin Homepage</a>,</li>
+<li>2. Make a drawing, click on "Publish your pixels",</li>
+<li>3. Copy/paste the payment request (invoice bolt11 reference) into the field here below and click on "Pay my testnet bill".</li>
+<li>4. Refresh the page to make sure that the payment was executed.</li>
+
+</div></div>
+
+<br />
+
+<div class="main-left-box">
+<div class="main-left-title">How does it work ?</div>
+<div class="main-left-inner">
+<p>
+<ul>
+<li>It is based on magic enhanced features of Bitcoin and Lightning Network. Integration within YiiMP will be released as opensource soon.</li>
+<li>More informations: <a href="https://lightning.network/">lightning.network</a></li>
+<li><a href="http://lightningnetworkstores.com/testnet">Testnet stores list</a></li>
+<li><a href="https://github.com/phm87/LN-testnet-list">Testnet Ressources list</a></li>
+</ul>
+</p>
+END;
+
+echo "</div></div>
+<br />";
+?>
+<br />
+
+</ul>
+
+
+<?php
+echo "</td><td valign=top>";
+echo <<<END
+<div id='pool_current_results'>
+<br><br><br><br><br><br><br><br><br><br>
+</div>
+END;
+
+echo <<<END
+</td></tr></table>
+
+<script>
+function page_refresh()
+{
+        pool_current_refresh();
+        pool_history_refresh();
+}
+function select_algo(algo)
+{
+        window.location.href = '/site/algo?algo='+algo+'&r=/';
+}
+////////////////////////////////////////////////////
+function pool_current_ready(data)
+{
+        $('#pool_current_results').html(data);
+}
+function pool_current_refresh()
+{
+        var url = "/site/current_results";
+        $.get(url, '', pool_current_ready);
+}
+////////////////////////////////////////////////////
+function pool_history_ready(data)
+{
+        $('#pool_history_results').html(data);
+}
+function pool_history_refresh()
+{
+        var url = "/site/history_results";
+        $.get(url, '', pool_history_ready);
+}
+</script>
+
+END;
+?>