/**
* @param TransactionInterface $transaction
* @return array
*/
public function convertTransactionToArray(TransactionInterface $transaction)
{
$inputs = [];
foreach ($transaction->getInputs() as $input) {
$inputs[] = $this->convertTxinToArray($input);
}
$outputs = [];
foreach ($transaction->getOutputs() as $output) {
$outputs[] = $this->convertTxoutToArray($output);
}
$buf = $transaction->getBuffer()->getBinary();
return ['hash' => $transaction->getTxId()->getHex(), 'version' => $transaction->getVersion(), 'inputs' => $inputs, 'outputs' => $outputs, 'locktime' => $transaction->getLockTime(), 'raw' => bin2hex($buf), 'size' => strlen($buf)];
}
/**
* {@inheritdoc}
* @see \BitWasp\Bitcoin\SerializableInterface::getBuffer()
*/
public function getBuffer()
{
return $this->transaction->getBuffer();
}
/**
* @param TransactionInterface $transaction
* @param bool|true $checkSize
* @return bool
*/
public function checkTransaction(TransactionInterface $transaction, $checkSize = true)
{
// Must be one txin, and one txout
$inputs = $transaction->getInputs();
$nInputs = count($inputs);
if (0 === $nInputs) {
throw new \RuntimeException('CheckTransaction: no inputs');
}
$outputs = $transaction->getOutputs();
$nOutputs = count($outputs);
if (0 === $nOutputs) {
throw new \RuntimeException('CheckTransaction: no outputs');
}
if ($checkSize && $transaction->getBuffer()->getSize() > $this->params->maxBlockSizeBytes()) {
throw new \RuntimeException('CheckTransaction: tx size exceeds max block size');
}
$this->checkOutputsAmount($outputs)->checkInputsForDuplicates($inputs);
if ($transaction->isCoinbase()) {
$first = $transaction->getInput(0);
$scriptSize = $first->getScript()->getBuffer()->getSize();
if ($scriptSize < 2 || $scriptSize > 100) {
throw new \RuntimeException('CheckTransaction: coinbase scriptSig fails constraints');
}
} else {
foreach ($inputs as $input) {
if ($input->isCoinBase()) {
throw new \RuntimeException('CheckTransaction: a non-coinbase transaction input was null');
}
}
}
return true;
}
