/**
* Derive a path in the tree of available addresses.
*
* @param string $path
* @return MultisigHD
*/
public function derivePath($path)
{
return $this->deriveFromList($this->sequences->decodePath($path));
}
/**
* 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));
}
/**
* Decodes a BIP32 path into it's actual 32bit sequence numbers: ie, m/0/1'/2/3' -> m/0/2147483649/2/2147483651
*
* @param string $path
* @return string
*/
public function decodePath($path)
{
$pathPieces = explode("/", $path);
if (strlen($path) == 0 || count($pathPieces) == 0) {
throw new \InvalidArgumentException('Invalid path passed to decodePath()');
}
$newPath = array();
$helper = new HierarchicalKeySequence($this->ecAdapter->getMath());
foreach ($pathPieces as $c => $sequence) {
$newPath[] = $helper->fromNode($sequence);
}
$path = implode("/", $newPath);
return $path;
}
/**
* Derive each HK child and produce a new MultisigHD object
*
* @param int|string $sequence
* @return MultisigHD
*/
public function deriveChild($sequence)
{
return new self($this->m, $this->path . "/" . $this->sequences->getNode($sequence), array_map(function (HierarchicalKey $hk) use($sequence) {
return $hk->deriveChild($sequence);
}, $this->keys), $this->sequences, $this->sort);
}