/**
* @param int $sighashType
* @param int $inputToSign
* @return Buffer|BufferInterface
*/
public function hashOutputs($sighashType, $inputToSign)
{
if (($sighashType & 0x1f) !== SigHash::SINGLE && ($sighashType & 0x1f) != SigHash::NONE) {
$binary = '';
foreach ($this->transaction->getOutputs() as $output) {
$binary .= $output->getBinary();
}
return Hash::sha256d(new Buffer($binary));
} elseif (($sighashType & 0x1f) == SigHash::SINGLE && $inputToSign < count($this->transaction->getOutputs())) {
return Hash::sha256($this->transaction->getOutput($inputToSign)->getBuffer());
}
return new Buffer('', 32);
}
/**
* @param TransactionInterface $transaction
*/
private function processTransaction(TransactionInterface $transaction)
{
$results = [];
$nOut = count($transaction->getOutputs());
for ($i = 0; $i < $nOut; $i++) {
$output = $transaction->getOutput($i);
$script = $output->getScript()->getBinary();
if (!isset($results[$script])) {
$results[$script] = $output->getValue();
} else {
$results[$script] += $output->getValue();
}
}
// Compare results to known contracts
foreach ($this->contracts as $contract) {
$requirements = $contract['requirements'];
$rCount = count($requirements);
$have = 0;
foreach ($requirements as $script => $value) {
if (isset($results[$script])) {
echo 'pmt';
if ($results[$script] >= $value) {
$have++;
}
}
}
if ($have > 0) {
if ($have < $rCount) {
$command = 'tx.partial';
} else {
$command = 'tx.complete';
}
$this->listener->send(json_encode(['slug' => $contract['slug'], 'command' => $command, 'tx' => $transaction->getHex()]));
}
}
}
/**
* @param TransactionInterface $transaction
* @param int $outputToSpend
* @param ScriptInterface|null $script
* @param int $nSequence
* @return $this
*/
public function spendOutputFrom(TransactionInterface $transaction, $outputToSpend, ScriptInterface $script = null, $nSequence = TransactionInputInterface::SEQUENCE_FINAL)
{
// Check TransactionOutput exists in $tx
$transaction->getOutput($outputToSpend);
$this->input($transaction->getTxId(), $outputToSpend, $script, $nSequence);
return $this;
}
