/**
* @return \BitWasp\Bitcoin\Block\BlockInterface
*/
public function getGenesisBlock()
{
$timestamp = new Buffer('The Times 03/Jan/2009 Chancellor on brink of second bailout for banks', null, $this->math);
$publicKey = Buffer::hex('04678afdb0fe5548271967f1a67130b7105cd6a828e03909a67962e0ea1f61deb649f6bc3f4cef38c4f35504e51ec112de5c384df7ba0b8d578a4c702b6bf11d5f', null, $this->math);
$inputScript = ScriptFactory::sequence([Buffer::int('486604799', 4, $this->math)->flip(), Buffer::int('4', null, $this->math), $timestamp]);
$outputScript = ScriptFactory::sequence([$publicKey, Opcodes::OP_CHECKSIG]);
return new Block($this->math, $this->getGenesisBlockHeader(), new TransactionCollection([(new TxBuilder())->version('1')->input(new Buffer('', 32), 4294967295.0, $inputScript)->output(5000000000.0, $outputScript)->locktime(0)->get()]));
}
/**
* @param TransactionSignatureInterface[] $signatures
* @param PublicKeyInterface[] $publicKeys
* @return Script|ScriptInterface
*/
public function makeScriptSig(array $signatures = [], array $publicKeys = [])
{
$newScript = new Script();
if (count($signatures) === $this->getRequiredSigCount()) {
$newScript = ScriptFactory::sequence([$signatures[0]->getBuffer()]);
}
return $newScript;
}
/**
* @param TransactionSignatureInterface[] $signatures
* @param PublicKeyInterface[] $publicKeys
* @return Script|ScriptInterface
*/
public function makeScriptSig(array $signatures = [], array $publicKeys = [])
{
$newScript = new Script();
if (count($signatures) > 0) {
$sequence = [Opcodes::OP_0];
foreach ($signatures as $sig) {
$sequence[] = $sig->getBuffer();
}
$newScript = ScriptFactory::sequence($sequence);
}
return $newScript;
}
/**
* @param string $outputType
* @param $answer
* @return bool
*/
private function serializeSimpleSig($outputType, &$answer)
{
if ($outputType === OutputClassifier::UNKNOWN) {
throw new \RuntimeException('Cannot sign unknown script type');
}
if ($outputType === OutputClassifier::PAYTOPUBKEY && $this->isFullySigned()) {
$answer = new SigValues(ScriptFactory::sequence([$this->signatures[0]->getBuffer()]), new ScriptWitness([]));
return true;
}
if ($outputType === OutputClassifier::PAYTOPUBKEYHASH && $this->isFullySigned()) {
$answer = new SigValues(ScriptFactory::sequence([$this->signatures[0]->getBuffer(), $this->publicKeys[0]->getBuffer()]), new ScriptWitness([]));
return true;
}
if ($outputType === OutputClassifier::MULTISIG) {
$sequence = [Opcodes::OP_0];
$nPubKeys = count($this->publicKeys);
for ($i = 0; $i < $nPubKeys; $i++) {
if (isset($this->signatures[$i])) {
$sequence[] = $this->signatures[$i]->getBuffer();
}
}
$answer = new SigValues(ScriptFactory::sequence($sequence), new ScriptWitness([]));
return true;
}
return false;
}
