Bitcoin P2PKH

P2PKH (Pay To Public Key Hash) is the most common and widely use transaction type in the Bitcoin network. To spend

In bitcoin, P2PKH address start with 1.
Address encoded in BASE58 format.
Most common type of bitcoin transaction.
Stands for "Pay To Public Key Hash".
Aim to replace P2PK for security and storage efficiency.

Script Pair of P2PKH

ScriptPubKey	: OP_DUP OP_HASH160 <PublicKeyHash> OP_EQUALVERIFY OP_CHECKSIG
ScriptSig	: <Signature> <PublicKey>

<?php 
use BitWasp\Bitcoin\Address\PayToPubKeyHashAddress;
use BitWasp\Bitcoin\Bitcoin;
use BitWasp\Bitcoin\Crypto\Random\Random;
use BitWasp\Bitcoin\Key\Factory\PrivateKeyFactory;
use BitWasp\Buffertools\Buffer;
use BitWasp\Bitcoin\Network\NetworkFactory;
use BitWasp\Bitcoin\Script\Opcodes;

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

if ($_SERVER['REQUEST_METHOD'] == 'POST') {
    try {
        $networkClass   = $_POST['network'];
        Bitcoin::setNetwork(NetworkFactory::$networkClass());
        $network        = Bitcoin::getNetwork();
        $privKeyFactory = new PrivateKeyFactory();

        if (!$_POST['input'] OR ctype_xdigit($_POST['input'])) 
        {
            if (!$_POST['input']) 
            { 
                $rbg = new Random();

                if ($_POST['compression'] == 'y') {
                    $privateKey = $privKeyFactory->generateCompressed($rbg);
                } else {
                    $privateKey = $privKeyFactory->generateUncompressed($rbg);
                }
            } else {
                if ($_POST['compression'] == 'y') {
                    $privateKey = $privKeyFactory->fromHexCompressed($_POST['input']);
                } else {
                    $privateKey = $privKeyFactory->fromHexUncompressed($_POST['input']);
                }
            }
        } else {
            $privateKey = $privKeyFactory->fromWIF($_POST['input'], $network);
        }

        $publicKey  = $privateKey->getPublicKey();
        $pubKeyHash = $publicKey->getPubKeyHash();
        $p2pkh      = new PayToPubKeyHashAddress($pubKeyHash);

    ?>
        <div class="table-responsive">
            <table border=0 class='table'>
                <tr style='background-color:#f0f0f0'><td>Base58 Address</td><td><?php echo $p2pkh->getAddress()?></td></tr>
                <tr><td>Private Key Hex</td><td><?php echo $privateKey->getHex()?></td></tr>
                <tr><td>Private Key Wif</td><td><?php echo $privateKey->toWif()?></td></tr>
                <tr><td>Has Compression?</td><td><?php echo $privateKey->isCompressed() ? "Yes" : "No"?></td></tr>
                <tr style='background-color:#f0f0f0'><td>Public Key Hex</td><td><?php echo $publicKey->getHex()?></td></tr>
                <tr style='background-color:#f0f0f0'><td>Has Compression?</td><td><?php echo $publicKey->isCompressed()? "Yes" : "No"?></td></tr>
                <tr style='background-color:#f0f0f0'><td>Public Key Hash Hex</td><td><?php echo $pubKeyHash->getHex()?></td></tr>
                <tr><td>ScriptPubKey Hex </td><td><?php echo $p2pkh->getScriptPubKey()->getHex()?></td></tr>
                <tr><td>ScriptPubKey Asm</td>
                    <td>
                        <?php 
                        $opcodes = $p2pkh->getScriptPubKey()->getOpcodes();

                        foreach( $p2pkh->getScriptPubKey()->getScriptParser()->decode() as $operation ) {

                            if ($operation->isPush()) {

                                echo htmlentities("<{$operation->getData()->getHex()}> ");
                            } else {
                                echo $opcodes->getOp($operation->getOp()) . " " ;
                            }
                        }
                        ?>
                    </td>
                </tr>
            </table>
        </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="network">Network:</label>
        <select id="network" name="network" class="form-control" >
            <?php
            $networks = get_class_methods(new NetworkFactory());
            foreach($networks as $network) {
                echo "<option value='{$network}'".($network == $_POST['network'] ? " selected": "").">{$network}</option>";
            }
            ?>
        </select>
    </div>
    <div class="form-group">
        <label for="input">Private Key (Hex) / WIF:</label>
        <input class="form-control" type='text' name='input' id='input' value='<?php echo $_POST['input']?>'>
        * Put empty if you want system assign you a random private key.
    </div>
    <div class="form-group">
        <label for="compression" >Compression:</label>
        <select name="compression" class="form-control" id='compression'>
            <?php
            $yesno = array("y"=>"Yes", "n"=>"No");
            foreach($yesno as $yesno_k=>$yesno_v) {
                echo "<option value='{$yesno_k}'".($yesno_k == $_POST['compression'] ? " selected": "").">{$yesno_v}</option>";
            }
            ?>
        </select>
    </div>
    <input type='submit' class="btn btn-success btn-block"/>
</form>
<?php
include_once("html_iframe_footer.php");

Fund & Spend P2PKH

Fund
Visual Coding
Spend
Visual Coding

<?php 
use BitWasp\Bitcoin\Network\NetworkFactory;
use BitWasp\Bitcoin\Bitcoin;
use BitWasp\Buffertools\Buffer;
use BitWasp\Bitcoin\Key\Factory\PrivateKeyFactory;
use BitWasp\Bitcoin\Address\AddressCreator;
use BitWasp\Bitcoin\Address\Base58AddressInterface;
use BitWasp\Bitcoin\Transaction\Factory\TxBuilder;
use BitWasp\Bitcoin\Transaction\TransactionFactory;
use BitWasp\Bitcoin\Transaction\TransactionOutput;
use BitWasp\Bitcoin\Transaction\Factory\Signer;
use BitWasp\Bitcoin\Script\ScriptFactory;
use BitWasp\Bitcoin\Script\Classifier\OutputClassifier;
use BitWasp\Bitcoin\Script\ScriptType;

include_once "../libraries/vendor/autoload.php";

include_once("html_iframe_header.php");

$noOfInputs = 10;
$noOfOutputs = 10;

if ($_SERVER['REQUEST_METHOD'] == 'POST') {
	try {
		$networkClass   = $_POST['network'];
		Bitcoin::setNetwork(NetworkFactory::$networkClass());
		
		$network        = Bitcoin::getNetwork();
		$ecAdapter      = Bitcoin::getEcAdapter();
		$privKeyFactory = new PrivateKeyFactory();
		
		$addrCreator = new AddressCreator();
		
		$spendTx = TransactionFactory::build();
		
		$signItems = [];
		
		
		if (!is_numeric($_POST['no_of_inputs']) OR !is_numeric($_POST['no_of_outputs'])) {
			throw new Exception("Error in 'no_of_inputs' or 'no_of_outputs'.");
		}
			
		foreach(range(1,$_POST['no_of_inputs']) as $thisInput) {
			$utxoHash = trim($_POST["utxo_hash_{$thisInput}"]);
			$utxoNOutput = trim($_POST["utxo_n_{$thisInput}"]);
			$privkeyhex = trim($_POST["privkey_{$thisInput}"]);
			$utxoScript = trim($_POST["utxo_script_{$thisInput}"]);
			
			if (strlen($utxoHash)>0 AND strlen($utxoNOutput) > 0 AND strlen($privkeyhex) > 0) {
				$spendTx = $spendTx->input($utxoHash, $utxoNOutput);
				$signItems[] = [$privkeyhex, $utxoScript];
			} else {
				throw new Exception("Error in 'input#{$thisInput}'.");
			}
		}
		
		foreach(range(1,$_POST['no_of_outputs']) as $thisOutput) {
			
			$address = trim($_POST["address_{$thisOutput}"]);
			$amount = trim($_POST["amount_{$thisOutput}"]);
			$recipient = $addrCreator->fromString($address);
			
			if (!strlen($address) or !strlen($amount)) {
				throw new Exception("Error in 'output#{$thisOutput}'.");
			}
			
			if (!$recipient instanceof Base58AddressInterface) {
				throw new Exception("Invalid P2PKH address in 'output#{$thisOutput}' (Check base58Address).");
			} 
			
			$decodeScript = (new OutputClassifier())->decode($recipient->getScriptPubKey());
			
			if ($decodeScript->getType() != ScriptType::P2PKH) {
				throw new Exception("Invalid P2PKH address in 'output#{$thisOutput}' (Check scriptPubKey).");
			}
			
			$spendTx = $spendTx->payToAddress($amount, $recipient);
			
		}
		
		
		$thisTx = $spendTx->get();
		
		$signer = new Signer($thisTx, $ecAdapter);
		
		foreach($signItems as $nIn=>$signItem) {
			$privateKey = $privKeyFactory->fromHexCompressed($signItem[0]);
			
			$scriptPubKey = ScriptFactory::fromHex($signItem[1]);
			
			$txOutput = new TransactionOutput(0, $scriptPubKey );
			$signer = $signer->sign($nIn, $privateKey, $txOutput);
			
			$input = $signer->input($nIn, $txOutput);
			
		}
		
		
	?>
		<div class="alert alert-success">
			<h6 class="mt-3">Final TX Hex</h6>
			
			<textarea class="form-control" rows="5" id="comment" readonly><?php echo $signer->get()->getHex();?></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="network">Network: </label>
		<select name="network" id="network" class="form-control">
			<?php
			$networks = get_class_methods(new NetworkFactory());
			foreach($networks as $network) {
				echo "<option value='{$network}'".($network == $_POST['network'] ? " selected": "").">{$network}</option>";
			}
			?>
		</select>
	</div>
	
	<div class="row">
		<div class="col-sm-6">
			
			<div class="form-row">
				<div class="form-group col">
					<label for="no_of_inputs">Inputs: </label> 
					<select class="form-control" id="no_of_inputs" name='no_of_inputs' style='width:auto;' onchange="
					var self = $(this);
					var thisvalue = self.val();
					var form = self.closest('form');
					$('div[id^=row_input_]',form).hide();
					for(var i=1; i<= thisvalue; i++) { 
						$('div[id=row_input_'+  i + ']',form).show();
					}
					">
						<?php
						foreach(range(1,$noOfInputs) as $thisInput) {
							echo "<option value='{$thisInput}'".($thisInput == $_POST['no_of_inputs'] ? " selected": "").">{$thisInput}</option>";
						}
						?>
					</select>
				</div>
			</div>
			
			<?php
			$selectedNInputs = is_numeric($_POST['no_of_inputs']) ? $_POST['no_of_inputs'] : 1;
			
			foreach(range(1,$noOfInputs) as $thisInput) {
			?>
			
				<div class="form-row" id='row_input_<?php echo $thisInput?>' style="<?php echo ($thisInput > $selectedNInputs) ? "display:none" : "display:;"?>">
				
					<div class="form-group  col-sm-1">
						#<?php echo $thisInput?> 
					</div>
					<div class="form-group  col-sm-3">
						
						<input class="form-control" title="UTXO Tx Hash" placeholder='UTXO Tx Hash' type='text' name='utxo_hash_<?php echo $thisInput?>' value='<?php echo $_POST["utxo_hash_{$thisInput}"]?>'>
					</div>
					<div class="form-group  col-sm-1">
						<input class="form-control" title="UTXO N Output" placeholder='N' type='text' name='utxo_n_<?php echo $thisInput?>' value='<?php echo $_POST["utxo_n_{$thisInput}"]?>'>
					</div>
					
					<div class="form-group  col-sm-3">
						<input class="form-control" title="UTXO ScriptPubKey" placeholder='UTXO ScriptPubKey' type='text' name='utxo_script_<?php echo $thisInput?>' value='<?php echo $_POST["utxo_script_{$thisInput}"]?>'>
					</div>
					<div class="form-group  col-sm-4">
						<input class="form-control" title="Private Key Hex, for signing purpose." placeholder='Private Key Hex' type='text' name='privkey_<?php echo $thisInput?>' value='<?php echo $_POST["privkey_{$thisInput}"]?>'>
					</div>
				</div>
			<?php
			}
			?>
		</div>
		<div class="col-sm-6">
			<div class="form-row">
				<div class="form-group col">
					<label for="no_of_outputs">Outputs:</label> <select class="form-control" id="no_of_outputs" name='no_of_outputs' style='width:auto;' onchange="
					var self = $(this);
					var thisvalue = self.val();
					var form = self.closest('form');
					$('div[id^=row_output_]',form).hide();
					for(var i=1; i<= thisvalue; i++) { 
						$('div[id=row_output_'+  i + ']',form).show();
					}
					">
						<?php
						foreach(range(1,$noOfOutputs) as $thisOutput) {
							echo "<option value='{$thisOutput}'".($thisOutput == $_POST['no_of_outputs'] ? " selected": "").">{$thisOutput}</option>";
						}
						?>
					</select>
				</div>
			</div>
			<?php
			$selectedNOutputs = is_numeric($_POST['no_of_outputs']) ? $_POST['no_of_outputs'] : 1;

			foreach(range(1,$noOfOutputs) as $thisOutput) {
			?>
				<div class="form-row" id='row_output_<?php echo $thisOutput?>' style="<?php echo ($thisOutput > $selectedNOutputs) ? "display:none" : "display:;"?>">
					<div class="form-group col-sm-1">
						#<?php echo $thisOutput?> 
					</div>
					
					<div class="form-group col-sm-6">
						<input class="form-control" placeholder='P2PKH Address' type='text' name='address_<?php echo $thisOutput?>' value='<?php echo $_POST["address_{$thisOutput}"]?>'>
					</div>
					<div class="form-group col-sm-5">
						<input class="form-control" placeholder='Amount' type='text' name='amount_<?php echo $thisOutput?>' value='<?php echo $_POST["amount_{$thisOutput}"]?>'>
					</div>
				</div>
	<?php
			}
	?>
		</div>
	</div>
	<input type='submit' class="btn btn-success btn-block"/>
</form>
<?php
include_once("html_iframe_footer.php");

<?php 
use BitWasp\Buffertools\Buffer;
use BitWasp\Bitcoin\Network\NetworkFactory;
use BitWasp\Bitcoin\Address\AddressCreator;
use BitWasp\Bitcoin\Address\PayToPubKeyHashAddress;
use BitWasp\Bitcoin\Bitcoin;
use BitWasp\Bitcoin\Key\Factory\PrivateKeyFactory;
use BitWasp\Bitcoin\Transaction\Factory\Signer;
use BitWasp\Bitcoin\Transaction\TransactionFactory;
use BitWasp\Bitcoin\Transaction\TransactionOutput;
use BitWasp\Bitcoin\Script\Classifier\OutputClassifier;
use BitWasp\Bitcoin\Script\ScriptType;
use BitWasp\Bitcoin\Script\ScriptFactory;
use BitWasp\Bitcoin\Signature\TransactionSignature;

include_once "../libraries/vendor/autoload.php";

$noOfInputs = 10;
$noOfOutputs = 10;

if ($_SERVER['REQUEST_METHOD'] == 'GET' AND $_GET['ajax'] == '1') {
	$data = [];
	if (!ctype_xdigit($_GET['utx'])) {
		$data = ["error"=>"UTX must be hex."];
	} else {
		$utxHex = $_GET['utx'];
		$utx = TransactionFactory::fromHex($utxHex);
		$outputs = $utx->getOutputs();
		
		$data['txHash'] = $utx->getTxHash()->flip()->getHex();//swap endianess
		$data['outputs'] = [];
		if (@count($outputs)) {
			foreach($outputs as $k=>$output) {
				if ($k < 10) { //limit to retrieve max 10 inputs only
				
					$decodeScript = (new OutputClassifier())->decode($output->getScript());
						
					if ($decodeScript->getType() != ScriptType::P2PKH) {
						$data = ["error"=>"Load fail! Your unspent transaction output (utxo) can only contain P2PKH ScriptPubKey."];
						break;
					}
					$data['outputs'][] = ["amount"=>$output->getValue(), "n"=>$k, "scriptPubKey"=>$output->getScript()->getHex()];
				}
			}
		}
	}
	
	die(json_encode($data));
}

include_once("html_iframe_header.php");

if ($_SERVER['REQUEST_METHOD'] == 'POST') {
	
	try {
		$networkClass   = $_POST['network'];
		Bitcoin::setNetwork(NetworkFactory::$networkClass());
		
		$network        = Bitcoin::getNetwork();
		$ecAdapter      = Bitcoin::getEcAdapter();
		$privKeyFactory = new PrivateKeyFactory();
		
		$addrCreator = new AddressCreator();
		
		$spendTx = TransactionFactory::build();
		
		$signItems = [];
		
		if (!strlen($_POST['utx']) or !ctype_xdigit($_POST['utx'])) {                    
			throw new Exception("UTX must be hex.");
		} 
		
		if (!is_numeric($_POST['no_of_inputs']) OR !is_numeric($_POST['no_of_outputs'])) {
			throw new Exception("Error in 'no_of_inputs' or 'no_of_outputs'.");
		}
		
		$utxHex = $_POST['utx'];
		$utx = TransactionFactory::fromHex($utxHex);    
		$utxos = $utx->getOutputs();
		
		foreach($utxos as $k=>$utxo) {
			$spendTx = $spendTx->spendOutputFrom($utx, $k);
			
			$privkeyhex = trim($_POST["privkey_" . ($k+1)]);
			$utxoScript = $utxo->getScript()->getHex();
			
			$signItems[] = [$privkeyhex, $utxoScript];
		}

		foreach(range(1,$_POST['no_of_outputs']) as $thisOutput) {
			
			$address = trim($_POST["address_{$thisOutput}"]);
			$amount = trim($_POST["amount_{$thisOutput}"]);
			
			if (strlen($address)>0 AND strlen($amount)>0) {
				$recipient = $addrCreator->fromString($address);
				$spendTx = $spendTx->payToAddress($amount, $recipient);
			} else {
				throw new Exception("Error in 'output#{$thisOutput}'.");
			}
			
		}
		$thisTx = $spendTx->get();
		$signer = new Signer($thisTx, $ecAdapter);
		$signInfo = [];
		foreach($signItems as $nIn=>$signItem) {
			
			$privateKey = $privKeyFactory->fromHexCompressed($signItem[0]);
			$scriptPubKey = ScriptFactory::fromHex($signItem[1]);
			$txOutput = new TransactionOutput(0, $scriptPubKey );
			$signer = $signer->sign($nIn, $privateKey, $txOutput);
			
			//not important, it's extra information about signature
			$inputSigner = $signer->input($nIn,$txOutput);
			$sigHashType = 1;
			$sigVersion = 0;
			$dataToSign = $inputSigner->calculateSigHashUnsafe($txOutput->getScript(),$sigHashType, $sigVersion);
			
			$sig = new TransactionSignature($ecAdapter, $privateKey->sign($dataToSign), $sigHashType);
			$signInfo[] = ['dataToSign'=>$dataToSign->getHex(), 'signature'=>$sig->getSignature()->getBuffer()->getHex().Buffer::int($sigHashType, 1)->getHex()];
			
		}
		
		
	?>
		<div class="alert alert-success">
			<h6 class="mt-3">Final TX Hex</h6>
			<textarea class="form-control" rows="5" id="comment" readonly><?php echo $signer->get()->getHex();?></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='?tab=form2_tabitem3#hashtag2' method='post'>
	<div class="form-group">
		<label for="network">Network: </label>
		<select name="network" id="network" class="form-control">
			<?php
			$networks = get_class_methods(new NetworkFactory());
			foreach($networks as $network) {
				echo "<option value='{$network}'".($network == $_POST['network'] ? " selected": "").">{$network}</option>";
			}
			?>
		</select>
	</div>
	<div class="form-group">
		<label for="utx">Unspent Transaction (Hex):</label>
		
		<div class="input-group mb-3">
			<input class="form-control" type='text' name='utx' id='utx' value='<?php echo $_POST['utx']?>'>
			<div class="input-group-append">
				<input class="btn btn-success" type="button" id="form2_tabitem3_load" value="Load" onclick="
				var self = $(this);
				self.val('......'); 
				
				var form = self.closest('form');
				var allInputDivs = form.find('div[id^=row_input_]');
				var allInputs = $( ':input', allInputDivs );
				allInputs.val('');
				allInputDivs.hide();
				$('select#no_of_inputs',form).empty();
				$('span#total_inputs',form).html('0');
				$.ajax({
					url: '?ajax=1&utx=' + $('input#utx',form).val(), 
					
					error:function() {
						
					},
					
					success:function(result){
						try {
							j = eval('(' + result + ')');
							
							if ('error' in j && j.error.length>0) {
								var error = true;
							} else {
								var error = false;
							}
							
							if (!error) {
								var txHash = j.txHash;
								var outputs = j.outputs;
								var totalInputs = 0;
								
								if (outputs.length > 0) {
									
									
									$('select#no_of_inputs',form).prepend('<option value=\''+outputs.length+'\' selected=\'selected\'>'+outputs.length+'</option>');
									
									var x;    
									for (x in outputs) {
										var divid = parseInt(x) + 1;
										var amount = parseInt(outputs[x].amount);
										totalInputs += amount;
										
										$('div#row_input_' + divid             ,form).show();
										$('input[name=utxo_hash_' + divid+']'  ,form).val(txHash);
										$('input[name=utxo_n_' + divid+']'     ,form).val(outputs[x].n);
										$('input[name=utxo_script_' + divid+']',form).val(outputs[x].scriptPubKey);
										$('input[name=utxo_amount_' + divid+']',form).val(amount);
										$('input[name=privkey_'+divid+']'      ,form).removeAttr('readonly');
									}
								}
								
								$('span#total_inputs',form).html(totalInputs);
							} else {
								alert(j.error);
							}
						} catch(e) {
							alert('Invalid Json Format.');
						}
					},
					complete:function() {
						self.val('Load');
					}
				});
				"/>
			</div>
		</div>
	</div>
	<div class="row">
		<div class="col-sm-6">
			
			<div class="form-row">
				<div class="form-group col">
					<label for="no_of_inputs">Inputs: <i>Max 10 inputs only. Please load them from UTX above.</i></label> 
					
					<div class="row">
						<div class="col-sm-2">
							<select class="form-control" id="no_of_inputs" name='no_of_inputs' style='width:auto;' onchange="
							var self = $(this);
							var thisvalue = self.val();
							var form = self.closest('form');
							$('div[id^=row_input_]',form).hide();
							for(var i=1; i<= thisvalue; i++) { 
								$('div[id=row_input_'+  i + ']',form).show();
							}
							" readonly>
								<?php
								$optionval = $_POST['no_of_inputs']?$_POST['no_of_inputs'] : 0;
								
								if ($optionval > 0) {
								?>
								<option value='<?php echo $optionval?>'><?php echo $optionval?></option>
								<?php
								}
								?>
							</select>
						</div>
						
						<div class="col-sm-10">
							Total Sathoshi: 
							<span id='total_inputs'>
							<?php echo 
							array_reduce(
								array_keys($_POST),
								function($carry, $key) { 
									if (preg_match('/^utxo_amount_/', $key)) {
										return $carry + (int)$_POST[$key];
									} else {                    
										return $carry;
									}
								}, 0
							);?>
							</span>
						</div>
					</div>
				</div>
			</div>
			<?php
			$selectedNInputs = is_numeric($_POST['no_of_inputs']) ? $_POST['no_of_inputs'] : 0;
			
			foreach(range(1,$noOfInputs) as $k=>$thisInput) {
			?>
			
				<div class="form-row" id='row_input_<?php echo $thisInput?>' style="<?php echo ($thisInput > $selectedNInputs) ? "display:none" : "display:;"?>">
					<input type='hidden' name='utxo_amount_<?php echo $thisInput?>' value='<?php echo $_POST["utxo_amount_{$thisInput}"]?>'/>
					
					<div class="form-group  col-sm-1">
						#<?php echo $thisInput?> 
					</div>
					<div class="form-group  col-sm-3">    
						<input class="form-control" title="UTXO Tx Hash" placeholder='UTXO Tx Hash' type='text' name='utxo_hash_<?php echo $thisInput?>' value='<?php echo $_POST["utxo_hash_{$thisInput}"]?>' readonly>
					</div>
					<div class="form-group  col-sm-1">
						<input class="form-control" title="UTXO N Output" placeholder='N' type='text' name='utxo_n_<?php echo $thisInput?>' value='<?php echo $_POST["utxo_n_{$thisInput}"]?>' readonly>
					</div>
					<div class="form-group  col-sm-3">
						<input class="form-control" title="UTXO ScriptPubKey" placeholder='UTXO ScriptPubKey' type='text' name='utxo_script_<?php echo $thisInput?>' value='<?php echo $_POST["utxo_script_{$thisInput}"]?>' readonly>
					</div>
					<div class="form-group  col-sm-4">
						<?php if (isset($signInfo[$k])) {  ?>
							<div class="input-group mb-3">
								<input class="form-control" title="Private Key Hex, for signing purpose." placeholder='Private Key Hex' type='text' name='privkey_<?php echo $thisInput?>' value='<?php echo $_POST["privkey_{$thisInput}"]?>'>
								<div class="input-group-append">
									<button type="button" class="btn btn-primary btn-sm" rel="<?php echo implode("|", $signInfo[$k])?>" onclick="
									var data = $(this).attr('rel').split('|');
									var dataToSign = data[0];
									var signature = data[1];
									
									$('#my-model').find('.modal-title').html('Signature Info');
									$('#my-model').find('.modal-body').html('<p>');
									$('#my-model').find('.modal-body').append('Data To Sign: ');
									$('#my-model').find('.modal-body').append('<input class=\'form-control\' type=\'text\' value=\''+ dataToSign +'\'>');
									
									$('#my-model').find('.modal-body').append('<small>To sign, you may also try this <a href=\'bitcoin_tool_dersign.php\' target=\'_blank\'>tool</a>.</small>');
									$('#my-model').find('.modal-body').append('</p>');
									
									$('#my-model').find('.modal-body').append('<p>');
									$('#my-model').find('.modal-body').append('Signature: ');
									$('#my-model').find('.modal-body').append('<input class=\'form-control\' type=\'text\' value=\''+ signature +'\'>');
									$('#my-model').find('.modal-body').append('</p>');
									
									$('#my-model').modal({backdrop: false});
									" >More</button>
								</div>
							</div>
							
						<?php
						} else {
						?>
							<input class="form-control" title="Private Key Hex, for signing purpose." placeholder='Private Key Hex' type='text' name='privkey_<?php echo $thisInput?>' value='<?php echo $_POST["privkey_{$thisInput}"]?>'>
						<?php
						}
						?>
					</div>
				</div>
			<?php
			}
			?>
		</div>
		<div class="col-sm-6">
			<div class="form-row">
				<div class="form-group col">
					<label for="no_of_outputs">Outputs:</label> <select class="form-control" id="no_of_outputs" name='no_of_outputs' style='width:auto;' onchange="
					var self = $(this);
					var thisvalue = self.val();
					var form = self.closest('form');
					$('div[id^=row_output_]',form).hide();
					for(var i=1; i<= thisvalue; i++) { 
						$('div[id=row_output_'+  i + ']',form).show();
					}
					">
						<?php
						foreach(range(1,$noOfOutputs) as $thisOutput) {
							echo "<option value='{$thisOutput}'".($thisOutput == $_POST['no_of_outputs'] ? " selected": "").">{$thisOutput}</option>";
						}
						?>
					</select>
				</div>
			</div>
			<?php
			$selectedNOutputs = is_numeric($_POST['no_of_outputs']) ? $_POST['no_of_outputs'] : 1;
			
			foreach(range(1,$noOfOutputs) as $thisOutput) {
			?>
				<div class="form-row" id='row_output_<?php echo $thisOutput?>' style="<?php echo ($thisOutput > $selectedNOutputs) ? "display:none" : "display:;"?>">
					<div class="form-group col-sm-1">
						#<?php echo $thisOutput?> 
					</div>
					
					<div class="form-group col-sm-6">
						<input class="form-control" placeholder='Any Address' type='text' name='address_<?php echo $thisOutput?>' value='<?php echo $_POST["address_{$thisOutput}"]?>'>
					</div>
					<div class="form-group col-sm-5">
						<input class="form-control" placeholder='Amount' type='text' name='amount_<?php echo $thisOutput?>' value='<?php echo $_POST["amount_{$thisOutput}"]?>'>
					</div>
				</div>
	<?php
			}
	?>
		</div>
	</div>
	
	<input type='submit' class="btn btn-success btn-block"/>
</form>

<!-- The Modal -->
<div class="modal" id="my-model">
	<div class="modal-dialog">
		<div class="modal-content">
	  
			<!-- Modal Header -->
			<div class="modal-header">
			  <h4 class="modal-title"></h4>
			  <button type="button" class="close" data-dismiss="modal">×</button>
			</div>
			
			<!-- Modal body -->
			<div class="modal-body"></div>
		
			<!-- Modal footer -->
			<div class="modal-footer">
			  <button type="button" class="btn btn-danger" data-dismiss="modal">Close</button>
			</div>
		
		</div>
	</div>
</div>
<?php
include_once("html_iframe_footer.php");

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