/**
* Private Keys To Wallet
*
* This function accepts $wallet - a reference to an array containing
* wallet info, indexed by hash160 of expected address.
* It will attempt to add each key to this wallet, as well as all the
* details that could be needed later on: public key, uncompressed key,
* address, an indicator for address compression. Type is always set
* to pubkeyhash for private key entries in the wallet.
*
* @param array $wallet
* @param array $wifs
* @param string $magic_byte
*/
public static function private_keys_to_wallet(&$wallet, array $wifs, $magic_byte = '00')
{
if (count($wifs) > 0) {
foreach ($wifs as $wif) {
$key = BitcoinLib::WIF_to_private_key($wif);
$pubkey = BitcoinLib::private_key_to_public_key($key['key'], $key['is_compressed']);
$pk_hash = BitcoinLib::hash160($pubkey);
if ($key['is_compressed'] == TRUE) {
$uncompressed_key = BitcoinLib::decompress_public_key($pubkey);
$uncompressed_key = $uncompressed_key['public_key'];
} else {
$uncompressed_key = $pubkey;
}
$wallet[$pk_hash] = array('type' => 'pubkeyhash', 'private_key' => $key['key'], 'public_key' => $pubkey, 'uncompressed_key' => $uncompressed_key, 'is_compressed' => $key['is_compressed'], 'address' => BitcoinLib::hash160_to_address($pk_hash, $magic_byte));
}
}
}
/**
* 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']);
}
