<?php 

include_once "../libraries/vendor/autoload.php";
include_once("html_iframe_header.php");
include_once("tron_utils.php");

//include all php files that generated by protoc
$dir   = new RecursiveDirectoryIterator('protobuf/core/');
$iter  = new RecursiveIteratorIterator($dir);
$files = new RegexIterator($iter, '/^.+\.php$/', RecursiveRegexIterator::GET_MATCH); // an Iterator, not an array

foreach ( $files as $file ) {
	
	if (is_array($file)) {
		foreach($file as $filename) {
			include $filename;
		}
	} else {
		include $file;
	}
}

if ($_SERVER['REQUEST_METHOD'] == 'POST') {
    try {
		$ownerAddressHex = base58check2HexString($_POST['from']);
		$toAddressHex = base58check2HexString($_POST['to']);
		
		$ownerAddressBin = hex2str($ownerAddressHex);
		$toAddressBin = hex2str($toAddressHex);
		$tokenName = $_POST['token_id'];
		
		$tokenAmount = bcmul($_POST['token_amount'], bcpow("10", $_POST['token_decimals'], 0), 0);

		$contract = new \Protocol\Transaction\Contract();
		$transferAsset = new \Protocol\TransferAssetContract();
		$transferAsset->setAssetName($tokenName);
		$transferAsset->setAmount($tokenAmount);
		$transferAsset->setOwnerAddress($ownerAddressBin);
		$transferAsset->setToAddress($toAddressBin);
		
		$any = new \Google\Protobuf\Any();
		$any->pack($transferAsset);
		
		$contract->setParameter( $any );
		$contract->setType( \Protocol\Transaction\Contract\ContractType::TransferAssetContract );
		
    ?>
	<div class="alert alert-success">
		<h6 class="mt-3">Contract Serialized Hex</h6>
		<textarea class="form-control" rows="5" id="comment" readonly><?php echo str2hex($contract->serializeToString());?></textarea>
		
		<h6 class="mt-3">Contract Serialized Json</h6>
		<textarea class="form-control" rows="5" id="comment" readonly><?php echo $contract->serializeToJsonString()?></textarea>
	</div>
<?php 
    } catch (Exception $e) {
        $errmsg .= "Problem found. " . $e->getMessage();

    }
} 

if ($errmsg) {
?>
    <div class="alert alert-danger">
        <strong>Error!</strong> <?php echo $errmsg?>
    </div>
<?php
}
?>
<form action='' method='post'>

	<div class="form-group">
        <label for="token_id">Token ID:</label>
        <input class="form-control" type='text' name='token_id' id='token_id' value='<?php echo $_POST['token_id']?>'>
    </div>
	
    <div class="form-group">
        <label for="from">Owner Address:</label>
        <input class="form-control" type='text' name='from' id='from' value='<?php echo $_POST['from']?>'>
    </div>
	
	<div class="form-group">
        <label for="to">To Address:</label>
        <input class="form-control" type='text' name='to' id='to' value='<?php echo $_POST['to']?>'>
    </div>
	
	<div class="form-group">
        <label for="token_decimals">Token Decimal Places:</label>
        <input class="form-control" type='text' name='token_decimals' id='token_decimals' value='<?php echo $_POST['token_decimals']?>'>
    </div>
	
	<div class="form-group">
		<label for="token_amount">Send Token Amount:</label>
		<input class="form-control" type='text' name='token_amount' id='token_amount' value='<?php echo $_POST['token_amount']?>'>
	</div>
   
    <input type='submit' class="btn btn-success btn-block"/>
</form>
<?php
include_once("html_iframe_footer.php");

message TransferAssetContract {
	
    #token ID
    bytes asset_name = 1;
  
    #spender address
    bytes owner_address = 2;
  
    #recipient address
    bytes to_address = 3;
  
    #token amount
    int64 amount = 4;
  
}

<?php
# Generated by the protocol buffer compiler.  DO NOT EDIT!
# source: core/contract/asset_issue_contract.proto

namespace Protocol;

use Google\Protobuf\Internal\GPBType;
use Google\Protobuf\Internal\RepeatedField;
use Google\Protobuf\Internal\GPBUtil;

/**
 * Generated from protobuf message <code>protocol.TransferAssetContract</code>
 */
class TransferAssetContract extends \Google\Protobuf\Internal\Message
{
    /**
     * this field is token name before the proposal ALLOW_SAME_TOKEN_NAME is active, otherwise it is token id and token is should be in string format.
     *
     * Generated from protobuf field <code>bytes asset_name = 1;</code>
     */
    protected $asset_name = '';
    /**
     * Generated from protobuf field <code>bytes owner_address = 2;</code>
     */
    protected $owner_address = '';
    /**
     * Generated from protobuf field <code>bytes to_address = 3;</code>
     */
    protected $to_address = '';
    /**
     * Generated from protobuf field <code>int64 amount = 4;</code>
     */
    protected $amount = 0;

    /**
     * Constructor.
     *
     * @param array $data {
     *     Optional. Data for populating the Message object.
     *
     *     @type string $asset_name
     *           this field is token name before the proposal ALLOW_SAME_TOKEN_NAME is active, otherwise it is token id and token is should be in string format.
     *     @type string $owner_address
     *     @type string $to_address
     *     @type int|string $amount
     * }
     */
    public function __construct($data = NULL) {
        \GPBMetadata\Core\Contract\AssetIssueContract::initOnce();
        parent::__construct($data);
    }

    /**
     * this field is token name before the proposal ALLOW_SAME_TOKEN_NAME is active, otherwise it is token id and token is should be in string format.
     *
     * Generated from protobuf field <code>bytes asset_name = 1;</code>
     * @return string
     */
    public function getAssetName()
    {
        return $this->asset_name;
    }

    /**
     * this field is token name before the proposal ALLOW_SAME_TOKEN_NAME is active, otherwise it is token id and token is should be in string format.
     *
     * Generated from protobuf field <code>bytes asset_name = 1;</code>
     * @param string $var
     * @return $this
     */
    public function setAssetName($var)
    {
        GPBUtil::checkString($var, False);
        $this->asset_name = $var;

        return $this;
    }

    /**
     * Generated from protobuf field <code>bytes owner_address = 2;</code>
     * @return string
     */
    public function getOwnerAddress()
    {
        return $this->owner_address;
    }

    /**
     * Generated from protobuf field <code>bytes owner_address = 2;</code>
     * @param string $var
     * @return $this
     */
    public function setOwnerAddress($var)
    {
        GPBUtil::checkString($var, False);
        $this->owner_address = $var;

        return $this;
    }

    /**
     * Generated from protobuf field <code>bytes to_address = 3;</code>
     * @return string
     */
    public function getToAddress()
    {
        return $this->to_address;
    }

    /**
     * Generated from protobuf field <code>bytes to_address = 3;</code>
     * @param string $var
     * @return $this
     */
    public function setToAddress($var)
    {
        GPBUtil::checkString($var, False);
        $this->to_address = $var;

        return $this;
    }

    /**
     * Generated from protobuf field <code>int64 amount = 4;</code>
     * @return int|string
     */
    public function getAmount()
    {
        return $this->amount;
    }

    /**
     * Generated from protobuf field <code>int64 amount = 4;</code>
     * @param int|string $var
     * @return $this
     */
    public function setAmount($var)
    {
        GPBUtil::checkInt64($var);
        $this->amount = $var;

        return $this;
    }

}