/**
* @param PublicKey $publicKey
* @return Buffer
*/
private function doSerialize(PublicKey $publicKey)
{
$math = $this->ecAdapter->getMath();
$point = $publicKey->getPoint();
$compressed = $publicKey->isCompressed();
$parser = new Parser('', $math);
$parser->writeBytes(1, $this->getPrefix($compressed, $point));
$compressed ? $parser->writeBytes(32, Buffer::int($point->getX(), null, $math)) : $parser->writeBytes(32, Buffer::int($point->getX(), null, $math))->writeBytes(32, Buffer::int($point->getY(), null, $math));
return $parser->getBuffer();
}
/**
* @param SignatureInterface $signature
* @return BufferInterface
*/
public function serialize(SignatureInterface $signature)
{
$math = $this->ecAdapter->getMath();
// Ensure that the R and S hex's are of even length
$rBin = pack('H*', $math->decHex($signature->getR()));
$sBin = pack('H*', $math->decHex($signature->getS()));
// Pad R and S if their highest bit is flipped, ie,
// they are negative.
$rt = $rBin[0] & pack('H*', '80');
if (ord($rt) === 128) {
$rBin = pack('H*', '00') . $rBin;
}
$st = $sBin[0] & pack('H*', '80');
if (ord($st) === 128) {
$sBin = pack('H*', '00') . $sBin;
}
return $this->getOuterTemplate()->write([0x30, $this->getInnerTemplate()->write([0x2, new Buffer($rBin, null, $math), 0x2, new Buffer($sBin, null, $math)])]);
}
/**
* @param PrivateKeyInterface $privateKey
* @return BufferInterface
*/
public function serialize(PrivateKeyInterface $privateKey)
{
return Buffer::int($privateKey->getSecretMultiplier(), 32, $this->ecAdapter->getMath());
}
/**
* @param NetworkInterface $network
* @return string
*/
public function toWif(NetworkInterface $network = null)
{
$network = $network ?: Bitcoin::getNetwork();
$serializer = new WifPrivateKeySerializer($this->ecAdapter->getMath(), new PrivateKeySerializer($this->ecAdapter));
return $serializer->serialize($network, $this);
}
/**
* @param $string
* @return CompactSignature
* @throws ParserOutOfRange
*/
public function parse($string)
{
return $this->fromParser(new Parser($string, $this->ecAdapter->getMath()));
}
