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Tron Create Raw Transaction

Generate serialized raw transaction that ready broadcast to TRON network.

Generate Raw Tx

<?php 
use IEXBase\TronAPI\Tron;
use IEXBase\TronAPI\Support;
use Protocol\Transaction\Contract\ContractType;

define("TRX_TO_SUN",'1000000');
define("SUN_TO_TRX", '0.000001');

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

$supportChains = ['main'=>"Tron Mainnet", 'shasta'=>"Shasta Testnet"];

//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 ($_SERVER['REQUEST_METHOD'] == 'POST') {
    try {
		if ($_POST['chain'] == 'main') {
			$fullNode = new \IEXBase\TronAPI\Provider\HttpProvider('https://api.trongrid.io');
			$solidityNode = new \IEXBase\TronAPI\Provider\HttpProvider('https://api.trongrid.io');
			$eventServer = new \IEXBase\TronAPI\Provider\HttpProvider('https://api.trongrid.io');
		} else {
			$fullNode = new \IEXBase\TronAPI\Provider\HttpProvider('https://api.shasta.trongrid.io');
			$solidityNode = new \IEXBase\TronAPI\Provider\HttpProvider('https://api.shasta.trongrid.io');
			$eventServer = new \IEXBase\TronAPI\Provider\HttpProvider('https://api.shasta.trongrid.io');
		}
		
		//get current block
		$tron = new \IEXBase\TronAPI\Tron($fullNode, $solidityNode, $eventServer);
		$newestBlock = $tron->getCurrentBlock();
		$currentHeight = (int)$newestBlock['block_header']['raw_data']['number'];
		if ($currentHeight<=0) {
			throw new Exception("Fail retrieve current block.");
		}
		
		//get last confirmed block
		$confirmation = 20;
		$targetHeight = ($currentHeight - $confirmation) + 1;
		
		$confirmedBlock = $tron->getBlockByNumber($targetHeight);
		$blockHeight = (int)$confirmedBlock['block_header']['raw_data']['number'];
		$blockTs = (int)$confirmedBlock['block_header']['raw_data']['timestamp'];
		$blockHash = $confirmedBlock['blockID'];
		
		$currentTimeMillis = round(microtime(true) * 1000);
		
		//build tx
		$contract = new \Protocol\Transaction\Contract();
		$contract->mergeFromString(hex2str($_POST['contract_hex']));
		
		if (in_array($contract->getType(), [ContractType::TriggerSmartContract,ContractType::CreateSmartContract])) {
			if (!is_numeric($_POST['feelimit'])) {
				throw new Exception("Fee limit is required");
			} else if (bccomp($_POST['feelimit'], "1000", 6) == 1) {
				throw new Exception("Fee limit should not exceed 1000 TRX");
			}
		} else {
			if (strlen($_POST['feelimit'])) {
				throw new Exception("Fee limit is only applicable to TriggerSmartContract or CreateSmartContract contract type.");
			}
		}
		
		$feeLimitInSun = bcmul($_POST['feelimit'], TRX_TO_SUN);
		$raw = new \Protocol\Transaction\Raw();
		$raw->setContract([$contract]);
		$raw->setFeeLimit($feeLimitInSun);
		
		$blockHeightIn64bits = str_pad(dechex($blockHeight), 8 * 2 /* 8 bytes = 16 hex chars*/, "0", STR_PAD_LEFT);
		
		/*
		If you reference a block that is generated before recent 65535 block, the transaction will be failed. I will suggest to use the latest solidified block as the reference block to ensure the transaction cannot failed because of TAPOS error.
		*/
		$raw->setRefBlockBytes( hex2Str( $refBlockBytes = substr($blockHeightIn64bits, 12, 4) ));
		$raw->setRefBlockHash( hex2Str( $refBlockHash =  substr($blockHash, 16, 16) ));
		$raw->setTimestamp($currentTimeMillis);
		$raw->setExpiration( $blockTs + ((int)$_POST['expiration'] * 1000) );
		
		$txId = hash("sha256", $raw->serializeToString());
		
		$tx = new \Protocol\Transaction();
		$tx->setRawData($raw);

		$unsigned_tx_bytes = strlen($tx->serializeToString());
		
		$signature = Support\Secp::sign($txId, $_POST['privkey']);
		$tx->setSignature([hex2str( $signature )]);
	
    ?>
        <div class="alert alert-success">
			<h6 class="mt-3">Raw Tx Hex</h6>
			<textarea class="form-control" rows="5" id="comment" readonly><?php echo str2hex($tx->serializeToString());?></textarea>
			
			<h6 class="mt-3">Unsigned Tx Byte Size</h6>
			<input class="form-control" rows="5" id="comment" readonly value="<?php echo $unsigned_tx_bytes;?>"></textarea>
			
			<h6 class="mt-3">Signed Tx Byte Size</h6>
			<input class="form-control" rows="5" id="comment" readonly value="<?php echo $tx->byteSize();?>"></textarea>
			
			<h6 class="mt-3">Consume Bandwidth</h6>
			<input class="form-control" rows="5" id="comment" readonly value="<?php echo $tx->byteSize() + 64/*MAX_RESULT_SIZE*/;?>"></textarea>
			
			<h6 class="mt-3">Tx Id</h6>
			<input class="form-control" rows="5" id="comment" readonly value="<?php echo $txId;?>"></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="chain">Chain:</label>
		<select id="chain" name="chain" class="form-control" >
			<?php
			foreach($supportChains as $k=>$v) {
				echo "<option value='{$k}'".($k == $_POST['chain'] ? " selected": "").">{$v}</option>";
			}
			?>
		</select>
	</div>
	
    <div class="form-group">
        <label for="contract_hex">Contract Serialized Hex:</label>
        <input class="form-control" type='text' name='contract_hex' id='contract_hex' value='<?php echo $_POST['contract_hex']?>'>
    </div>
	
	<div class="form-group">
		<label for="feelimit">Fee Limit (Maximum TRX consumption):</label>
		
		<div class="input-group mb-3">
			<input class="form-control" type='text' name='feelimit' id='feelimit' value='<?php echo $_POST['feelimit']?>'>
			<div class="input-group-append">
			  <span class="input-group-text">TRX</span>
			</div>
		</div>
		<small>This applicable to smart contract deployment (CreateSmartContract) or execution (TriggerSmartContract) only, put blank if you are not sure.</small>
	</div>
	
	<div class="form-group">
		<label for="expiration">Expiration Time:</label>
		
		<div class="input-group mb-3">
			<input class="form-control" type='text' name='expiration' id='expiration' value='<?php echo $_POST['expiration']?>'>
			<div class="input-group-append">
			  <span class="input-group-text">Seconds</span>
			</div>
		</div>
		
		<small>
			Relative time from last confirmed block.
		</small>
	</div>
	
	<div class="form-group">
        <label for="privkey">Private Key:</label>
        <input class="form-control" type='text' name='privkey' id='privkey' value='<?php echo $_POST['privkey']?>'>
    </div>
   
    <input type='submit' class="btn btn-success btn-block"/>
</form>
<?php
include_once("html_iframe_footer.php");
<?php
# Generated by the protocol buffer compiler.  DO NOT EDIT!
# source: core/Tron.proto

namespace Protocol\Transaction;

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

/**
 * Generated from protobuf message <code>protocol.Transaction.raw</code>
 */
class raw extends \Google\Protobuf\Internal\Message
{
    /**
     * Generated from protobuf field <code>bytes ref_block_bytes = 1;</code>
     */
    protected $ref_block_bytes = '';
    /**
     * Generated from protobuf field <code>int64 ref_block_num = 3;</code>
     */
    protected $ref_block_num = 0;
    /**
     * Generated from protobuf field <code>bytes ref_block_hash = 4;</code>
     */
    protected $ref_block_hash = '';
    /**
     * Generated from protobuf field <code>int64 expiration = 8;</code>
     */
    protected $expiration = 0;
    /**
     * Generated from protobuf field <code>repeated .protocol.authority auths = 9;</code>
     */
    private $auths;
    /**
     * transaction note
     *
     * Generated from protobuf field <code>bytes data = 10;</code>
     */
    protected $data = '';
    /**
     *only support size = 1, repeated list here for extension
     *
     * Generated from protobuf field <code>repeated .protocol.Transaction.Contract contract = 11;</code>
     */
    private $contract;
    /**
     * scripts not used
     *
     * Generated from protobuf field <code>bytes scripts = 12;</code>
     */
    protected $scripts = '';
    /**
     * Generated from protobuf field <code>int64 timestamp = 14;</code>
     */
    protected $timestamp = 0;
    /**
     * Generated from protobuf field <code>int64 fee_limit = 18;</code>
     */
    protected $fee_limit = 0;

    /**
     * Constructor.
     *
     * @param array $data {
     *     Optional. Data for populating the Message object.
     *
     *     @type string $ref_block_bytes
     *     @type int|string $ref_block_num
     *     @type string $ref_block_hash
     *     @type int|string $expiration
     *     @type \Protocol\authority[]|\Google\Protobuf\Internal\RepeatedField $auths
     *     @type string $data
     *           transaction note
     *     @type \Protocol\Transaction\Contract[]|\Google\Protobuf\Internal\RepeatedField $contract
     *          only support size = 1, repeated list here for extension
     *     @type string $scripts
     *           scripts not used
     *     @type int|string $timestamp
     *     @type int|string $fee_limit
     * }
     */
    public function __construct($data = NULL) {
        \GPBMetadata\Core\Tron::initOnce();
        parent::__construct($data);
    }

    /**
     * Generated from protobuf field <code>bytes ref_block_bytes = 1;</code>
     * @return string
     */
    public function getRefBlockBytes()
    {
        return $this->ref_block_bytes;
    }

    /**
     * Generated from protobuf field <code>bytes ref_block_bytes = 1;</code>
     * @param string $var
     * @return $this
     */
    public function setRefBlockBytes($var)
    {
        GPBUtil::checkString($var, False);
        $this->ref_block_bytes = $var;

        return $this;
    }

    /**
     * Generated from protobuf field <code>int64 ref_block_num = 3;</code>
     * @return int|string
     */
    public function getRefBlockNum()
    {
        return $this->ref_block_num;
    }

    /**
     * Generated from protobuf field <code>int64 ref_block_num = 3;</code>
     * @param int|string $var
     * @return $this
     */
    public function setRefBlockNum($var)
    {
        GPBUtil::checkInt64($var);
        $this->ref_block_num = $var;

        return $this;
    }

    /**
     * Generated from protobuf field <code>bytes ref_block_hash = 4;</code>
     * @return string
     */
    public function getRefBlockHash()
    {
        return $this->ref_block_hash;
    }

    /**
     * Generated from protobuf field <code>bytes ref_block_hash = 4;</code>
     * @param string $var
     * @return $this
     */
    public function setRefBlockHash($var)
    {
        GPBUtil::checkString($var, False);
        $this->ref_block_hash = $var;

        return $this;
    }

    /**
     * Generated from protobuf field <code>int64 expiration = 8;</code>
     * @return int|string
     */
    public function getExpiration()
    {
        return $this->expiration;
    }

    /**
     * Generated from protobuf field <code>int64 expiration = 8;</code>
     * @param int|string $var
     * @return $this
     */
    public function setExpiration($var)
    {
        GPBUtil::checkInt64($var);
        $this->expiration = $var;

        return $this;
    }

    /**
     * Generated from protobuf field <code>repeated .protocol.authority auths = 9;</code>
     * @return \Google\Protobuf\Internal\RepeatedField
     */
    public function getAuths()
    {
        return $this->auths;
    }

    /**
     * Generated from protobuf field <code>repeated .protocol.authority auths = 9;</code>
     * @param \Protocol\authority[]|\Google\Protobuf\Internal\RepeatedField $var
     * @return $this
     */
    public function setAuths($var)
    {
        $arr = GPBUtil::checkRepeatedField($var, \Google\Protobuf\Internal\GPBType::MESSAGE, \Protocol\authority::class);
        $this->auths = $arr;

        return $this;
    }

    /**
     * transaction note
     *
     * Generated from protobuf field <code>bytes data = 10;</code>
     * @return string
     */
    public function getData()
    {
        return $this->data;
    }

    /**
     * transaction note
     *
     * Generated from protobuf field <code>bytes data = 10;</code>
     * @param string $var
     * @return $this
     */
    public function setData($var)
    {
        GPBUtil::checkString($var, False);
        $this->data = $var;

        return $this;
    }

    /**
     *only support size = 1, repeated list here for extension
     *
     * Generated from protobuf field <code>repeated .protocol.Transaction.Contract contract = 11;</code>
     * @return \Google\Protobuf\Internal\RepeatedField
     */
    public function getContract()
    {
        return $this->contract;
    }

    /**
     *only support size = 1, repeated list here for extension
     *
     * Generated from protobuf field <code>repeated .protocol.Transaction.Contract contract = 11;</code>
     * @param \Protocol\Transaction\Contract[]|\Google\Protobuf\Internal\RepeatedField $var
     * @return $this
     */
    public function setContract($var)
    {
        $arr = GPBUtil::checkRepeatedField($var, \Google\Protobuf\Internal\GPBType::MESSAGE, \Protocol\Transaction\Contract::class);
        $this->contract = $arr;

        return $this;
    }

    /**
     * scripts not used
     *
     * Generated from protobuf field <code>bytes scripts = 12;</code>
     * @return string
     */
    public function getScripts()
    {
        return $this->scripts;
    }

    /**
     * scripts not used
     *
     * Generated from protobuf field <code>bytes scripts = 12;</code>
     * @param string $var
     * @return $this
     */
    public function setScripts($var)
    {
        GPBUtil::checkString($var, False);
        $this->scripts = $var;

        return $this;
    }

    /**
     * Generated from protobuf field <code>int64 timestamp = 14;</code>
     * @return int|string
     */
    public function getTimestamp()
    {
        return $this->timestamp;
    }

    /**
     * Generated from protobuf field <code>int64 timestamp = 14;</code>
     * @param int|string $var
     * @return $this
     */
    public function setTimestamp($var)
    {
        GPBUtil::checkInt64($var);
        $this->timestamp = $var;

        return $this;
    }

    /**
     * Generated from protobuf field <code>int64 fee_limit = 18;</code>
     * @return int|string
     */
    public function getFeeLimit()
    {
        return $this->fee_limit;
    }

    /**
     * Generated from protobuf field <code>int64 fee_limit = 18;</code>
     * @param int|string $var
     * @return $this
     */
    public function setFeeLimit($var)
    {
        GPBUtil::checkInt64($var);
        $this->fee_limit = $var;

        return $this;
    }

}

// Adding a class alias for backwards compatibility with the previous class name.
class_alias(raw::class, \Protocol\Transaction_raw::class);


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

namespace Protocol;

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

/**
 * Generated from protobuf message <code>protocol.Transaction</code>
 */
class Transaction extends \Google\Protobuf\Internal\Message
{
    /**
     * Generated from protobuf field <code>.protocol.Transaction.raw raw_data = 1;</code>
     */
    protected $raw_data = null;
    /**
     * only support size = 1, repeated list here for muti-sig extension
     *
     * Generated from protobuf field <code>repeated bytes signature = 2;</code>
     */
    private $signature;
    /**
     * Generated from protobuf field <code>repeated .protocol.Transaction.Result ret = 5;</code>
     */
    private $ret;

    /**
     * Constructor.
     *
     * @param array $data {
     *     Optional. Data for populating the Message object.
     *
     *     @type \Protocol\Transaction\raw $raw_data
     *     @type string[]|\Google\Protobuf\Internal\RepeatedField $signature
     *           only support size = 1, repeated list here for muti-sig extension
     *     @type \Protocol\Transaction\Result[]|\Google\Protobuf\Internal\RepeatedField $ret
     * }
     */
    public function __construct($data = NULL) {
        \GPBMetadata\Core\Tron::initOnce();
        parent::__construct($data);
    }

    /**
     * Generated from protobuf field <code>.protocol.Transaction.raw raw_data = 1;</code>
     * @return \Protocol\Transaction\raw
     */
    public function getRawData()
    {
        return isset($this->raw_data) ? $this->raw_data : null;
    }

    public function hasRawData()
    {
        return isset($this->raw_data);
    }

    public function clearRawData()
    {
        unset($this->raw_data);
    }

    /**
     * Generated from protobuf field <code>.protocol.Transaction.raw raw_data = 1;</code>
     * @param \Protocol\Transaction\raw $var
     * @return $this
     */
    public function setRawData($var)
    {
        GPBUtil::checkMessage($var, \Protocol\Transaction\raw::class);
        $this->raw_data = $var;

        return $this;
    }

    /**
     * only support size = 1, repeated list here for muti-sig extension
     *
     * Generated from protobuf field <code>repeated bytes signature = 2;</code>
     * @return \Google\Protobuf\Internal\RepeatedField
     */
    public function getSignature()
    {
        return $this->signature;
    }

    /**
     * only support size = 1, repeated list here for muti-sig extension
     *
     * Generated from protobuf field <code>repeated bytes signature = 2;</code>
     * @param string[]|\Google\Protobuf\Internal\RepeatedField $var
     * @return $this
     */
    public function setSignature($var)
    {
        $arr = GPBUtil::checkRepeatedField($var, \Google\Protobuf\Internal\GPBType::BYTES);
        $this->signature = $arr;

        return $this;
    }

    /**
     * Generated from protobuf field <code>repeated .protocol.Transaction.Result ret = 5;</code>
     * @return \Google\Protobuf\Internal\RepeatedField
     */
    public function getRet()
    {
        return $this->ret;
    }

    /**
     * Generated from protobuf field <code>repeated .protocol.Transaction.Result ret = 5;</code>
     * @param \Protocol\Transaction\Result[]|\Google\Protobuf\Internal\RepeatedField $var
     * @return $this
     */
    public function setRet($var)
    {
        $arr = GPBUtil::checkRepeatedField($var, \Google\Protobuf\Internal\GPBType::MESSAGE, \Protocol\Transaction\Result::class);
        $this->ret = $arr;

        return $this;
    }

}







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