/**
* Push data into the stack.
*
* @param $data
* @return $this
* @throws \Exception
*/
public function push(Buffer $data)
{
$length = $data->getSize();
$parsed = new Parser('', $this->math);
/** Note that larger integers are serialized without flipping bits - Big endian */
if ($length < $this->opcodes->getOpByName('OP_PUSHDATA1')) {
$varInt = Buffertools::numToVarInt($length);
$data = new Buffer($varInt->getBinary() . $data->getBinary(), null, $this->math);
$parsed->writeBytes($data->getSize(), $data);
} else {
if ($length <= 0xff) {
$lengthSize = 1;
} elseif ($length <= 0xffff) {
$lengthSize = 2;
} else {
$lengthSize = 4;
}
$op = $this->opcodes->getOpByName('OP_PUSHDATA' . $lengthSize);
$parsed->writeBytes(1, Buffer::int($op))->writeBytes($lengthSize, Buffer::int($length), true)->writeBytes($length, $data);
}
$this->script .= $parsed->getBuffer()->getBinary();
return $this;
}
/**
* Push data into the stack.
*
* @param $data
* @return $this
* @throws \Exception
*/
public function push(Buffer $data)
{
$length = $data->getSize();
$parsed = new Parser();
/** Note that larger integers are serialized without flipping bits - Big endian */
if ($length < $this->opcodes->getOpByName('OP_PUSHDATA1')) {
$parsed = $parsed->writeWithLength($data);
} elseif ($length <= 0xff) {
$parsed->writeInt(1, $this->opcodes->getOpByName('OP_PUSHDATA1'))->writeInt(1, $length, false)->writeBytes($length, $data);
} elseif ($length <= 0xffff) {
$parsed->writeInt(1, $this->opcodes->getOpByName('OP_PUSHDATA2'))->writeInt(2, $length, true)->writeBytes($length, $data);
} else {
$parsed->writeInt(1, $this->opcodes->getOpByName('OP_PUSHDATA4'))->writeInt(4, $length, true)->writeBytes($length, $data);
}
$this->script .= $parsed->getBuffer()->getBinary();
return $this;
}
