salfter
e953ec8835
Transaction times weren't handled properly...now they are. Also, you can override the default timezone (US/Pacific) with the tz variable.
175 lines
5.2 KiB
PHP
175 lines
5.2 KiB
PHP
<?php
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include_once("phpMyGraph5.0.php");
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$tz=$_GET["tz"];
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if ($tz=="")
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$tz="US/Pacific";
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date_default_timezone_set($tz);
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// recursive-descent functions to verify origin of a deposit
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function check_tx_by_hash($txhash, $srcaddr)
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{
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$conn=curl_init("http://blockchain.info/rawtx/".$txhash);
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curl_setopt($conn, CURLOPT_RETURNTRANSFER, true);
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$data=json_decode(curl_exec($conn));
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curl_close($conn);
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foreach ($data->inputs as $in)
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if (array_key_exists("prev_out", $in))
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return check_tx_by_index($in->prev_out->tx_index, $srcaddr);
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else
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foreach ($data->out as $out)
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if ($out->addr==$srcaddr)
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return true;
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return false;
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}
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function check_tx_by_index($txindex, $srcaddr)
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{
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$conn=curl_init("http://blockchain.info/tx-index/".$txindex."?format=json");
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curl_setopt($conn, CURLOPT_RETURNTRANSFER, true);
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$data=json_decode(curl_exec($conn));
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curl_close($conn);
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foreach ($data->inputs as $in)
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if (array_key_exists("prev_out", $in))
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return check_tx_by_index($in->prev_out->tx_index, $srcaddr);
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else
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foreach ($data->out as $out)
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if ($out->addr==$srcaddr)
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return true;
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return false;
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}
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// bomb out if address isn't given
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$addr=$_GET["addr"];
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if ($addr=="")
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{
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header("HTTP/1.1 400 Bad Request");
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echo "<html><body><h1>400 Bad Request</h1></body></html>";
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exit;
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}
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// leaving source address empty searches for generation transactions
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$src_addr=$_GET["src"];
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// get transaction data
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$conn=curl_init("http://blockexplorer.com/q/mytransactions/".$addr);
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curl_setopt($conn, CURLOPT_RETURNTRANSFER, true);
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$data=json_decode(curl_exec($conn));
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curl_close($conn);
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// filter out transactions for which we were paid
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foreach ($data as $tx)
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{
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if ($src_addr=="")
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{
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if ($tx->vin_sz==1)
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if ($tx->in[0]->prev_out->hash=="0000000000000000000000000000000000000000000000000000000000000000")
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foreach ($tx->out as $out)
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if ($out->address==$addr)
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$in[strtotime($tx->time." +0000")]=$out->value;
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}
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else
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{
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if ($_GET["simple"]!="")
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{
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foreach ($tx->out as $out)
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if ($out->address==$addr)
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foreach ($tx->out as $out)
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if ($out->address==$addr)
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$in[strtotime($tx->time." +0000")]=$out->value;
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}
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else
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{
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foreach ($tx->out as $out)
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if ($out->address==$addr)
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foreach ($tx->in as $input)
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if (check_tx_by_hash($input->prev_out->hash, $src_addr))
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foreach ($tx->out as $out)
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if ($out->address==$addr)
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$in[strtotime($tx->time." +0000")]=$out->value;
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}
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}
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}
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// get MtGox bid price
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$conn=curl_init("https://data.mtgox.com/api/2/BTCUSD/money/ticker");
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curl_setopt($conn, CURLOPT_FOLLOWLOCATION, true);
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curl_setopt($conn, CURLOPT_USERAGENT, "Mozilla/5.0 (Windows NT 5.1) AppleWebKit/537.1 (KHTML, like Gecko) Chrome/21.0.1180.89 Safari/537.1");
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curl_setopt($conn, CURLOPT_RETURNTRANSFER, true);
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$mtgox_bid=json_decode(curl_exec($conn))->data->buy->value;
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curl_close($conn);
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// calculate daily income data
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for ($i=strtotime(date("Y-m-d", min(array_keys($in)))); $i<time(); $i+=86400)
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{
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$sum=0.0;
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foreach (array_keys($in) as $time)
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if ($i<=$time && $time<$i+86400)
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$sum+=$in[$time];
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$chartdata[date("Y-m-d", $i)]=$sum;
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}
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// restrict it to the last 30 days
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while (count($chartdata)>30)
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{
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reset($chartdata);
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unset($chartdata[key($chartdata)]);
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}
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// build the graph
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$graph=new phpMyGraph();
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$cfg["title"]="Daily Income for $addr";
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$cfg["width"]=900;
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$cfg["height"]=600;
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ob_start();
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$graph->parseVerticalColumnGraph($chartdata, $cfg);
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$daily_graph_png=ob_get_contents();
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ob_end_clean();
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// calculate weekly income data
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unset($chartdata);
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for ($i=strtotime(date("Y-m-d", min(array_keys($in)))); $i<time(); $i+=86400*7)
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{
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$sum=0.0;
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foreach (array_keys($in) as $time)
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if ($i<=$time && $time<$i+86400*7)
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$sum+=$in[$time];
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$chartdata[date("Y-m-d", $i)]=$sum;
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}
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// restrict it to the last 30 weeks
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while (count($chartdata)>30)
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{
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reset($chartdata);
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unset($chartdata[key($chartdata)]);
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}
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// build the graph
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$graph=new phpMyGraph();
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$cfg["title"]="Weekly Income for $addr";
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$cfg["width"]=900;
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$cfg["height"]=600;
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ob_start();
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$graph->parseVerticalColumnGraph($chartdata, $cfg);
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$weekly_graph_png=ob_get_contents();
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ob_end_clean();
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// calculate total income
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$sum=0.0;
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foreach ($in as $amt)
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$sum+=$amt;
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?>
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<html>
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<head><title>Generation Income for <?php echo $addr; ?></title></head>
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<body>
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<p><?php echo $sum." BTC (\$".number_format($sum*$mtgox_bid,2)." at MtGox bid price of \$".number_format($mtgox_bid,2)."/BTC)\n"; ?></p>
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<?php echo '<img src="data:image/png;base64,'.base64_encode($daily_graph_png).'" />'; ?>
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<br />
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<?php echo '<img src="data:image/png;base64,'.base64_encode($weekly_graph_png).'" />'; ?>
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</body>
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</html>
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