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helperFunctions.php
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helperFunctions.php
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<?php
include_once('config.php');
include_once('resources.php');
include_once 'dbhelper.php';
function randomNDigitNumber($digits)
{
$number = rand(pow(10, $digits-1), pow(10, $digits)-1);
return $number;
}
function generatePassword()
{
$range = "abcdefghijklmnopqrstuwxyzABCDEFGHIJKLMNOPQRSTUWXYZ01234567129!@#$%^&*()_+-=?";
$pwd = array();
$rangelength = strlen($range) - 1;
for ($i = 0; $i < 12; $i++) {
$n = rand(0, $rangelength);
$pwd[] = $range[$n];
}
return implode($pwd);
}
function generateGUID()
{
if (function_exists('com_create_guid'))
{
return com_create_guid();
}
else
{
mt_srand((double)microtime()*10000);//optional for php 4.2.0 and up.
$charid = strtoupper(md5(uniqid(rand(), true)));
$hyphen = chr(45);// "-"
$uuid = chr(123)// "{"
.substr($charid, 0, 8).$hyphen
.substr($charid, 8, 4).$hyphen
.substr($charid,12, 4).$hyphen
.substr($charid,16, 4).$hyphen
.substr($charid,20,12)
.chr(125);// "}"
return trim($uuid,'{}');
}
}
function validateName($name)
{
return preg_match('/^[a-zA-Z ]*$/', $name);
}
function validateEmail($email)
{
return filter_var($email, FILTER_VALIDATE_EMAIL);
}
function validateUsername($username)
{
return preg_match('/^[a-zA-Z0-9]{5,50}$/', $username);
}
function validatePassword($password)
{
return preg_match('/^(?=.*\d)(?=.*[A-Za-z])[0-9A-Za-z!@#$%]{8,16}$/', $password);
}
function bin_data_to_file($data)
{
$parts=explode("\x00", $data, 4);
if ( (count($parts)!=4) || ($parts[0]!='') )
return null;
return array(
'filename' => $parts[1],
'mimetype' => $parts[2],
'content' => $parts[3],
);
}
function file_to_txout_bin($filename, $mimetype, $content)
{
return "\x00".$filename."\x00".$mimetype."\x00".$content;
}
function getFileDataType($fileSignature)
{
if(strpos($fileSignature, "FFD8FF") === 0)
{
$fileExtension = "jpg";
$fileDataType = "image/jpeg";
}
elseif(strpos($fileSignature, "474946") === 0)
{
$fileExtension = "gif";
$fileDataType = "image/".$fileExtension;
}
elseif(strpos($fileSignature, "89504E") === 0)
{
$fileExtension = "png";
$fileDataType = "image/".$fileExtension;
}
elseif(strpos($fileSignature, "424D") === 0)
{
$fileExtension = "bmp";
$fileDataType = "image/".$fileExtension;
}
elseif(strpos($fileSignature, "492049") === 0)
{
$fileExtension = "tif";
$fileDataType = "image/".$fileExtension;
}
elseif(strpos($fileSignature, "25504446") === 0)
{
$fileExtension = "pdf";
$fileDataType = "application/".$fileExtension;
}
else
{
throw new Exception("File type not supported.");
}
return $fileDataType;
}
/**
*** Get the recipient address
*/
function getRecipientsFromTransaction($transaction)
{
$transferred = 2;
foreach($transaction as $param_name=>$param_value)
{
if($param_name=="balance")
{
$amount = $param_value["amount"];
$assets = $param_value["assets"];
if($amount<0)
$transferred = 1;
else if($amount>0)
$transferred = 2;
else
$transferred = 1; //change: Shd be modified to zero later.
foreach($param_value["assets"] as $index=>$value)
{
$asset_name = $value["name"];
$asset_qty = $value["qty"];
if($value["qty"]<0)
{
$transferred = 1;
array_push($assets, $value);
}
else if($value["qty"]>0)
{
$transferred = 2;
array_push($assets, $value);
}
else
{
//$transferred = 0;
}
}
}
else if($param_name=="myaddresses")
{
if($transferred==1)
$sender = $param_value;
else if($transferred==2)
$recipient = $param_value;
}
else if($param_name=="addresses")
{
if($transferred==1)
$recipient = $param_value;
else
$sender = $param_value;
}
}
return $recipient;
}
/**
*** Get the recipient address
*/
function getAssestsAmountFromTransaction($transaction)
{
$transferred = 2;
foreach($transaction as $param_name=>$param_value)
{
if($param_name=="balance")
{
$amount = $param_value["amount"];
$assets = $param_value["assets"];
$assetsAmount = array();
if($amount<0)
$transferred = 1;
else if($amount>0)
$transferred = 2;
else
$transferred = 1; //change: Shd be modified to zero later.
foreach($param_value["assets"] as $index=>$value)
{
$asset_name = $value["name"];
$asset_qty = $value["qty"];
$assetsAmount[$asset_name] = abs($asset_qty);
}
}
}
return $assetsAmount;
}
/**
*** Prints the basic details of a transaction.
*/
function printTransactionBasicDetailsVertically($transaction, $userAddress, $assetRef="")
{
$printDetails = "<div class='table-responsive scrollable has-scrollbar scrollable-content ' data-plugin-scrollable><table class='table table-bordered table-hover table-condensed mb-none'>";
foreach($transaction as $param_name=>$param_value)
{
if($param_name=="txid")
{
$txId = $param_value;
}
else if($param_name=="balance")
{
$assets = array();
foreach($param_value["assets"] as $index=>$value)
{
if ($value["assetref"] == $assetRef) {
$asset_name = $value["name"];
$amount = $value["qty"];
if($value["qty"]<0)
{
$senderAddress = $transaction['myaddresses'][0];
$recipientAddress = $transaction['addresses'][0];
array_push($assets, $value);
}
else if($value["qty"]>0)
{
$senderAddress = $transaction['addresses'][0];
$recipientAddress = $transaction['myaddresses'][0];
array_push($assets, $value);
}
}
}
}
else if($param_name=="blockhash")
{
$blockHash = $param_value;
}
else if($param_name=="blockindex")
{
$blockIndex = $param_value;
}
else if($param_name=="time")
{
$time = $param_value;
}
else if($param_name=="comment")
{
$comment = $param_value;
}
else if($param_name=="data")
{
if (!empty($param_value))
{
if (is_string($param_value[0]))
{
$data = $param_value[0];
}
else
{
$dbHelper = new DBHelper();
$data = $dbHelper->getTransactionMetadata($param_value['txid'], $param_value['vout']);
}
}
}
else if($param_name=="confirmations")
{
$confirmations = $param_value;
}
}
$printDetails .= "<tr><th>Transaction Id</th><td>".$txId."</td></tr>";
$printDetails .= "<tr><th>Sender</th><td>".(($senderAddress==$userAddress) ? "You (".$senderAddress.")" : $senderAddress)."</td></tr>";
$printDetails .= "<tr><th>Recipient</th><td>".(($recipientAddress==$userAddress) ? "You (".$recipientAddress.")" : $recipientAddress)."</td></tr>";
$printDetails .= "<tr><th>Amount</th><td>".abs(floatval($amount))."</td></tr>";
$printDetails .= "<tr><th>Confirmations</th><td>".$confirmations."</td></tr>";
$printDetails .= "<tr><th>Block Hash</th><td>".$blockHash."</td></tr>";
$printDetails .= "<tr><th>Block Index</th><td>".$blockIndex."</td></tr>";
$printDetails .= "<tr><th>Time</th><td>".date('m-d-Y'.', '.'h:i:s a', $time)."</td></tr>";
$printDetails .= "</table></div>";
return $printDetails;
}
/**
*** Prints the History of transactions for an address.
*/
function printTransactionsHistory($transactions, $userAddress, $assetName="")
{
date_default_timezone_set("Asia/Kolkata");
$printDetails = "<div class='table-responsive scrollable has-scrollbar scrollable-content ' data-plugin-scrollable><table class='table table-bordered table-hover table-condensed mb-none'>";
$printDetails .= "<tr>";
$printDetails .= "<th>Time</th>";
$printDetails .= "<th>Sender / Recipient</th>";
$printDetails .= "<th>Amount<br/>(in Yobicoins)</th>";
$printDetails .= "<th>Message</th>";
$printDetails .= "<th></th>";
$printDetails .= "</tr>";
$transactions_filtered = array();
foreach ($transactions as $tran) {
if (count($tran['balance']['assets'])>0) {
array_push($transactions_filtered, $tran);
}
}
foreach ($transactions_filtered as $txIndex=>$transaction) {
foreach($transaction as $param_name=>$param_value)
{
if($param_name=="txid")
{
$txId = $param_value;
}
else if($param_name=="balance")
{
$assets = array();
foreach($param_value["assets"] as $index=>$value)
{
if ($value["name"] == $assetName) {
$asset_name = $value["name"];
$amount = $value["qty"];
if($value["qty"]<0)
{
$senderAddress = $transaction['myaddresses'][0];
$recipientAddress = $transaction['addresses'][0];
array_push($assets, $value);
}
else if($value["qty"]>0)
{
$senderAddress = $transaction['addresses'][0];
$recipientAddress = $transaction['myaddresses'][0];
array_push($assets, $value);
}
}
}
}
else if($param_name=="blockhash")
{
$blockHash = $param_value;
}
else if($param_name=="blockindex")
{
$blockIndex = $param_value;
}
else if($param_name=="time")
{
$time = $param_value;
}
else if($param_name=="comment")
{
$comment = $param_value;
}
else if($param_name=="data")
{
if (!empty($param_value))
{
if (is_string($param_value[0]))
{
$data = $param_value[0];
}
else
{
if (count($param_value[0])>0)
{
$dbHelper = new DBHelper();
$data = $dbHelper->getTransactionMetadata($param_value['txid'], $param_value['vout']);
}
else {
$data="";
}
}
}
else
{
$data = "";
}
}
else if($param_name=="confirmations")
{
$confirmations = $param_value;
}
}
$printDetails .= "<tr>";
$printDetails .= "<td style='white-space:nowrap'>".date('d-m-Y'.', '.'h:i:s a', $time)."</td>";
$printDetails .= "<td>"."<b><i>Sender:</i></b><br>".(($senderAddress==$userAddress) ? "You" : $senderAddress)."<br><br>";
$printDetails .= "<b><i>Recipient:</i></b><br>".(($recipientAddress==$userAddress) ? "You" : $recipientAddress)."</td>";
$printDetails .= "<td>".abs(floatval($amount))."</td>";
$printDetails .= "<td>".(hex2bin($data)=="" ? "-" : hex2bin($data))."</td>";
$printDetails .= "<td>"."<a class='mb-xs mt-xs mr-xs btn btn-primary' href='".ExplorerParams::$TX_URL_PREFIX.$txId."' target='_blank'>More details</a>"."</td>";
$printDetails .= "</tr>";
}
$printDetails .= "</table></div>";
return $printDetails;
}
/**
*** Prints the basic details of a transaction.
*/
function printStreamTransactionBasicDetailsVertically($transaction)
{
//global $explorer_tx_url,$explorer_address_url,$explorer_block_url;
$printDetails = "<div class='table-responsive scrollable has-scrollbar scrollable-content ' data-plugin-scrollable><table class='table table-bordered table-hover table-condensed mb-none'>";
foreach($transaction as $param_name=>$param_value)
{
if($param_name=="txid")
{
$txId = $param_value;
}
else if($param_name=="myaddresses" || $param_name=="publishers")
{
$publisherAddress = $param_value;
}
else if($param_name=="blockhash")
{
$blockHash = $param_value;
}
else if($param_name=="blockindex")
{
$blockIndex = $param_value;
}
else if($param_name=="time")
{
$time = $param_value;
}
else if($param_name=="comment")
{
$comment = $param_value;
}
else if($param_name=="data")
{
$data = $param_value;
}
else if($param_name=="confirmations")
{
$confirmations = $param_value;
}
}
$printDetails .= "<tr height=25><th width=150 style='border-style: ridge;'>Transaction Id</th><td align='left' style='border-style: ridge;'>"."<a href='".ExplorerParams::$TX_URL_PREFIX."$txId' target='_new'>".$txId."</a>"."</td></tr>";
$printDetails .= "<tr height=25><th style='border-style: ridge;'>Uploader</th><td align='left' style='border-style: ridge;'>"."<a href='".ExplorerParams::$ADDRESS_URL_PREFIX.$publisherAddress[0]."' target='_new'>".$publisherAddress[0]."</a>"."</td></tr>";
$printDetails .= "<tr height=25><th width=150 style='border-style: ridge;'>Block Hash</th><td align='left' style='border-style: ridge;'>".(isset($blockHash) ? "<a href='".ExplorerParams::$BLOCK_URL_PREFIX."$blockHash' target='_new'>".$blockHash."</a>" : "")."</td></tr>";
$printDetails .= "<tr height=25><th width=150 style='border-style: ridge;'>Confirmations</th><td align='left' style='border-style: ridge;'>".$confirmations."</td></tr>";
// $printDetails .= (is_string($data[0])) ? "<tr height=25><th width=150 style='border-style: ridge;'>Data</th><td align='left' style='border-style: ridge;'>".json_encode(json_decode(hex2bin($data[0])), JSON_PRETTY_PRINT)."</td></tr>" : "";
$printDetails .= "</table></div>";
return $printDetails;
}
/**
*** Prints elements of an array in vertical format
*/
function printArray($arr, $lvl=0)
{
$ret_str = "";
foreach($arr as $item=>$value)
{
$str = "";
for ($i = 0; $i <= $lvl; $i++)
{
$str= $str." ";
}
$item_name = (is_numeric($item) || ($item==""))?"":$item.":";
//echo gettype($value);
if(gettype($value)=="array")
{
$ret_str .= "<br/>".$str.$item_name."<br/>";
$ret_str .= printArray($value, $lvl+1);
$ret_str .= "<br/>";
}
else
{
$ret_str .= $str.$item_name." ".$value."<br/>";
}
}
return $ret_str;
}
?>