/**
* Address from MPK
*
* Generate an address from the $mpk, and $iteration. This function
* uses the public_key_from_mpk() function, and converts the result
* to the bitcoin address.
*
* @param string $mpk
* @param int $iteration
* @return string
*/
public static function address_from_mpk($mpk, $iteration, $magic_byte, $change = 0, $compressed = FALSE)
{
$change = $change == 0 ? 0 : 1;
$public_key = self::public_key_from_mpk($mpk, $iteration, $change, $compressed);
$address = BitcoinLib::public_key_to_address($public_key, $magic_byte);
return $address;
}
/**
* Create Multisig
*
* This function mirrors that of Bitcoind's. It creates a redeemScript
* out of keys given in the given order, creates a redeemScript, and
* creates the address from this. $m must be greater than zero, and
* public keys are required.
*
* @param int $m
* @param array $public_keys
* @param string $address_version
* @return array/FALSE
*/
public static function create_multisig($m, $public_keys = array(), $address_version = '05')
{
if ($m == 0) {
return FALSE;
}
if (count($public_keys) == 0) {
return FALSE;
}
$redeem_script = self::create_redeem_script($m, $public_keys);
if ($redeem_script == FALSE) {
return FALSE;
}
return array('redeemScript' => $redeem_script, 'address' => BitcoinLib::public_key_to_address($redeem_script, $address_version));
}
/**
* Key To Address
*
* This function accepts a bip32 extended key, and converts it to a
* bitcoin address.
*
* @param string $extended_key
* @param string $address_version
* return string/FALSE
*/
public static function key_to_address($extended_key)
{
$import = self::import($extended_key);
if ($import['type'] == 'public') {
$public = $import['key'];
} else {
if ($import['type'] == 'private') {
$public = BitcoinLib::private_key_to_public_key($import['key'], TRUE);
} else {
return FALSE;
}
}
// Convert the public key to the address.
return BitcoinLib::public_key_to_address($public, $import['version']);
}
