/**
* @param Consensus $consensus
* @param EcAdapterInterface $ecAdapter
* @param ScriptCheckInterface $scriptCheck
*/
public function __construct(Consensus $consensus, EcAdapterInterface $ecAdapter, ScriptCheckInterface $scriptCheck)
{
$this->consensus = $consensus;
$this->math = $ecAdapter->getMath();
$this->scriptCheck = $scriptCheck;
$this->params = $consensus->getParams();
}
/**
* @param Db $db
* @param EcAdapterInterface $ecAdapter
* @param Consensus $consensus
* @param BlockCheckInterface $blockCheck
*/
public function __construct(Db $db, EcAdapterInterface $ecAdapter, Consensus $consensus, BlockCheckInterface $blockCheck)
{
$this->blockCheck = $blockCheck;
$this->consensus = $consensus;
$this->db = $db;
$this->math = $ecAdapter->getMath();
}
/**
* @param $mnemonic
* @return Buffer
*/
public function mnemonicToEntropy($mnemonic)
{
$math = $this->ecAdapter->getMath();
$words = explode(' ', $mnemonic);
if ($math->cmp($math->mod(count($words), 3), 0) !== 0) {
throw new \InvalidArgumentException('Invalid mnemonic');
}
$bits = array();
foreach ($words as $word) {
$idx = $this->wordList->getIndex($word);
$bits[] = str_pad($math->baseConvert($idx, 10, 2), 11, '0', STR_PAD_LEFT);
}
$bits = implode('', $bits);
$CS = strlen($bits) / 33;
$ENT = strlen($bits) - $CS;
$csBits = substr($bits, -1 * $CS);
$entBits = substr($bits, 0, -1 * $CS);
$binary = '';
$bitsInChar = 8;
for ($i = 0; $i < $ENT; $i += $bitsInChar) {
// Extract 8 bits at a time, convert to hex, pad, and convert to binary.
$eBits = substr($entBits, $i, $bitsInChar);
$binary .= hex2bin(str_pad($math->baseConvert($eBits, 2, 16), 2, '0', STR_PAD_LEFT));
}
$entropy = new Buffer($binary, null, $math);
if ($csBits !== $this->calculateChecksum($entropy, $CS)) {
throw new \InvalidArgumentException('Checksum does not match');
}
return $entropy;
}
/**
* @param string $mnemonic
* @return Buffer
*/
public function mnemonicToEntropy($mnemonic)
{
$math = $this->ecAdapter->getMath();
$wordList = $this->wordList;
$words = explode(' ', $mnemonic);
$n = count($wordList);
$out = '';
$thirdWordCount = count($words) / 3;
for ($i = 0; $i < $thirdWordCount; $i++) {
list($word1, $word2, $word3) = array_slice($words, $math->mul(3, $i), 3);
$index1 = $wordList->getIndex($word1);
$index2 = $wordList->getIndex($word2);
$index3 = $wordList->getIndex($word3);
$x = $math->add($index1, $math->add($math->mul($n, $math->mod($index2 - $index1, $n)), $math->mul($n, $math->mul($n, $math->mod($index3 - $index2, $n)))));
$out .= str_pad($math->decHex($x), 8, '0', STR_PAD_LEFT);
}
return Buffer::hex($out);
}
/**
* Blocks constructor.
* @param DbInterface $db
* @param ConfigProviderInterface $config
* @param EcAdapterInterface $ecAdapter
* @param ChainsInterface $chains
* @param Consensus $consensus
*/
public function __construct(DbInterface $db, ConfigProviderInterface $config, EcAdapterInterface $ecAdapter, ChainsInterface $chains, Consensus $consensus)
{
$this->db = $db;
$this->config = $config;
$this->math = $ecAdapter->getMath();
$this->chains = $chains;
$this->consensus = $consensus;
$this->blockCheck = new BlockCheck($consensus, $ecAdapter);
}
/**
* Headers constructor.
* @param DbInterface $db
* @param EcAdapterInterface $ecAdapter
* @param ChainsInterface $chains
* @param Consensus $consensus
* @param ProofOfWork $proofOfWork
*/
public function __construct(DbInterface $db, EcAdapterInterface $ecAdapter, ChainsInterface $chains, Consensus $consensus, ProofOfWork $proofOfWork)
{
$this->db = $db;
$this->math = $ecAdapter->getMath();
$this->chains = $chains;
$this->consensus = $consensus;
$this->proofOfWork = $proofOfWork;
$this->headerCheck = new HeaderCheck($consensus, $ecAdapter, $proofOfWork);
}
/**
* @param EcAdapterInterface $ecAdapter
*/
public function __construct(EcAdapterInterface $ecAdapter)
{
$this->ecAdapter = $ecAdapter;
$this->math = $ecAdapter->getMath();
$this->vchFalse = new Buffer("", 0, $this->math);
$this->vchTrue = new Buffer("", 1, $this->math);
$this->int0 = Number::buffer($this->vchFalse, false, 4, $this->math)->getBuffer();
$this->int1 = Number::buffer($this->vchTrue, false, 1, $this->math)->getBuffer();
}
/**
* @param \BitWasp\Bitcoin\Script\Interpreter\Number $sequence
* @return bool
*/
public function checkSequence(\BitWasp\Bitcoin\Script\Interpreter\Number $sequence)
{
$math = $this->adapter->getMath();
$txSequence = $this->transaction->getInput($this->nInput)->getSequence();
if ($this->transaction->getVersion() < 2) {
return false;
}
if ($math->cmp($math->bitwiseAnd($txSequence, TransactionInputInterface::SEQUENCE_LOCKTIME_DISABLE_FLAG), 0) !== 0) {
return 0;
}
$mask = $math->bitwiseOr(TransactionInputInterface::SEQUENCE_LOCKTIME_TYPE_FLAG, TransactionInputInterface::SEQUENCE_LOCKTIME_MASK);
return $this->verifyLockTime($math->bitwiseAnd($txSequence, $mask), TransactionInputInterface::SEQUENCE_LOCKTIME_TYPE_FLAG, Number::int($math->bitwiseAnd($sequence->getInt(), $mask)));
}
/**
* @param EcAdapterInterface $ecAdapter
* @param TransactionInterface $transaction
* @param \BitWasp\Bitcoin\Flags $flags
*/
public function __construct(EcAdapterInterface $ecAdapter, TransactionInterface $transaction, Flags $flags)
{
$this->ecAdapter = $ecAdapter;
$this->math = $ecAdapter->getMath();
$this->transaction = $transaction;
$this->flags = $flags;
$this->script = new Script();
$this->minimalPush = $this->flags->checkFlags(self::VERIFY_MINIMALDATA) === true;
$this->vchFalse = new Buffer("", 0, $this->math);
$this->vchTrue = new Buffer("", 1, $this->math);
$this->mainStack = new Stack();
$this->altStack = new Stack();
$this->vfStack = new Stack();
$this->int0 = Number::buffer($this->vchFalse, false, 4, $this->math)->getBuffer();
$this->int1 = Number::buffer($this->vchTrue, false, 1, $this->math)->getBuffer();
}
/**
* @param Consensus $consensus
* @param EcAdapterInterface $ecAdapter
* @param ProofOfWork $proofOfWork
*/
public function __construct(Consensus $consensus, EcAdapterInterface $ecAdapter, ProofOfWork $proofOfWork)
{
$this->consensus = $consensus;
$this->math = $ecAdapter->getMath();
$this->pow = $proofOfWork;
}
/**
* Decodes a BIP32 path into actual 32bit sequence numbers and derives the child key
*
* @param string $path
* @return HierarchicalKey
* @throws \Exception
*/
public function derivePath($path)
{
$sequences = new HierarchicalKeySequence($this->ecAdapter->getMath());
return $this->deriveFromList($sequences->decodePath($path));
}
/**
* @param string $message
* @return BufferInterface
* @throws \Exception
*/
private function calculateBody($message)
{
return new Buffer("Bitcoin Signed Message:\n" . Buffertools::numToVarInt(strlen($message))->getBinary() . $message, null, $this->ecAdapter->getMath());
}
/**
* @param int|string $sequence
* @param bool $change
* @return int|string
*/
public function getSequenceOffset($sequence, $change = false)
{
return Hash::sha256d(new Buffer(sprintf("%s:%s:%s", $sequence, $change ? '1' : '0', $this->getMPK()->getBinary()), null, $this->ecAdapter->getMath()))->getInt();
}
/**
* @param int $bytes
* @return Buffer
*/
public function bytes($bytes)
{
$integer = $this->hmac->generate($this->ecAdapter->getGenerator()->getOrder());
return Buffer::int($integer, $bytes, $this->ecAdapter->getMath());
}
/**
* @param Consensus $consensus
* @param EcAdapterInterface $ecAdapter
*/
public function __construct(Consensus $consensus, EcAdapterInterface $ecAdapter)
{
$this->consensus = $consensus;
$this->math = $ecAdapter->getMath();
}
public function compareChainStateWork(ChainState $a, ChainState $b)
{
return $this->adapter->getMath()->cmp($a->getChain()->getIndex()->getWork(), $b->getChain()->getIndex()->getWork());
}
