From: Roland Häder <roland@mxchange.org>
Date: Sat, 1 Feb 2025 22:40:59 +0000 (+0100)
Subject: Continued:
X-Git-Url: https://git.mxchange.org/?a=commitdiff_plain;h=f553503c6f872be408b6e392112301b69d587336;p=hub.git

Continued:
- added more returned scalar types
- updated 'core' framework
---

diff --git a/application/hub/classes/dht/class_ b/application/hub/classes/dht/class_
index cbb5a5f19..bf011e816 100644
--- a/application/hub/classes/dht/class_
+++ b/application/hub/classes/dht/class_
@@ -47,7 +47,7 @@ class ???DhtFacade extends BaseDht implements Distributable {
 	 *
 	 * @return	$dhtInstance	An instance of a Distributable class
 	 */
-	public final static function create??? () {
+	public final static function create??? (): Distributable {
 		// Get new instance
 		$dhtInstance = new ???DhtFacade();
 
@@ -64,7 +64,8 @@ class ???DhtFacade extends BaseDht implements Distributable {
 	 * @return	void
 	 * @todo	0% done
 	 */
-	protected function insertDataIntoDht (array $dhtData) {
+	protected function insertDataIntoDht (array $dhtData): void {
 		DebugMiddleware::getSelfInstance()->partialStub('Please implement this method.');
 	}
+
 }
diff --git a/application/hub/classes/dht/class_BaseDht.php b/application/hub/classes/dht/class_BaseDht.php
index 2ea555305..16bd47190 100644
--- a/application/hub/classes/dht/class_BaseDht.php
+++ b/application/hub/classes/dht/class_BaseDht.php
@@ -87,7 +87,7 @@ abstract class BaseDht extends BaseHubSystem implements Distributable {
 	 *
 	 * @return	void
 	 */
-	private function initStacks () {
+	private function initStacks (): void {
 		// Initialize all stacker
 		$this->getStackInstance()->initStacks([
 			self::STACKER_NAME_INSERT_NODE,
@@ -103,7 +103,7 @@ abstract class BaseDht extends BaseHubSystem implements Distributable {
 	 * @param	$dhtData	A valid array with DHT-related data (e.g. node/peer data)
 	 * @return	void
 	 */
-	protected abstract function insertDataIntoDht (array $dhtData);
+	protected abstract function insertDataIntoDht (array $dhtData): void;
 
 	/**
 	 * Updates/refreshes DHT data (e.g. status).
@@ -111,7 +111,7 @@ abstract class BaseDht extends BaseHubSystem implements Distributable {
 	 * @return	void
 	 * @todo	Find more to do here
 	 */
-	public function updateDhtData () {
+	public function updateDhtData (): void {
 		// Set some dummy configuration entries, e.g. dht_status
 		FrameworkBootstrap::getConfigurationInstance()->setConfigEntry('dht_status', $this->getStateInstance()->getStateName());
 	}
@@ -121,7 +121,7 @@ abstract class BaseDht extends BaseHubSystem implements Distributable {
 	 *
 	 * @return	$isPending	Whether there are pending entries
 	 */
-	public function ifInsertNodeDataPending () {
+	public function ifInsertNodeDataPending (): bool {
 		// Determine it if it is not empty
 		$isPending = ($this->getStackInstance()->isStackEmpty(self::STACKER_NAME_INSERT_NODE) === FALSE);
 
@@ -134,7 +134,7 @@ abstract class BaseDht extends BaseHubSystem implements Distributable {
 	 *
 	 * @return	void
 	 */
-	public function insertSingleNodeData () {
+	public function insertSingleNodeData (): void {
 		// Get next node data from stack
 		$nodeData = $this->getStackInstance()->popNamed(self::STACKER_NAME_INSERT_NODE);
 
@@ -151,7 +151,7 @@ abstract class BaseDht extends BaseHubSystem implements Distributable {
 	 * @return	$hasUnpublished		Whether there are unpublished entries
 	 * @todo	Add minimum/maximum age limitations
 	 */
-	public function hasUnpublishedEntries () {
+	public function hasUnpublishedEntries (): bool {
 		// Call method on database frontend
 		$hasUnpublished = $this->getFrontendInstance()->hasUnpublishedEntries();
 
@@ -167,7 +167,7 @@ abstract class BaseDht extends BaseHubSystem implements Distributable {
 	 * @return	void
 	 * @throws	UnexpectedValueException	If $resultInstance is not valid
 	 */
-	public function initEntryPublication () {
+	public function initEntryPublication (): void {
 		// Call method on database frontend
 		/* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput('BASE-DHT: CALLED!');
 		$this->getFrontendInstance()->initEntryPublication();
@@ -210,7 +210,7 @@ abstract class BaseDht extends BaseHubSystem implements Distributable {
 	 *
 	 * @return	$isPending	Whether there are entries pending publication
 	 */
-	public function hasEntriesPendingPublication () {
+	public function hasEntriesPendingPublication (): bool {
 		// Determine it if it is not empty
 		/* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput('BASE-DHT: CALLED!');
 		$isPending = ($this->getStackInstance()->isStackEmpty(self::STACKER_NAME_PENDING_PUBLISHING) === FALSE);
@@ -225,7 +225,7 @@ abstract class BaseDht extends BaseHubSystem implements Distributable {
 	 *
 	 * @return	$isBooting	Whether this DHT is currently booting
 	 */
-	public function ifDhtIsBooting () {
+	public function ifDhtIsBooting (): boot {
 		// Call state instance
 		/* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput('BASE-DHT: CALLED!');
 		$isBooting = $this->getStateInstance()->ifDhtIsBooting();
@@ -243,7 +243,7 @@ abstract class BaseDht extends BaseHubSystem implements Distributable {
 	 * @todo	Find out if loadDescriptorXml() can be called only once to avoid a lot methods working.
 	 * @throws	BadMethodCallException	If this method was called but no pending entries publication
 	 */
-	public function publishEntry () {
+	public function publishEntry (): void {
 		// This test must not fail
 		/* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput('BASE-DHT: CALLED!');
 		if (!$this->hasEntriesPendingPublication()) {
@@ -288,7 +288,7 @@ abstract class BaseDht extends BaseHubSystem implements Distributable {
 	 * @return	$isFullyBooted	Whether the DHT is fully booted
 	 * @todo	0% done
 	 */
-	public function hasFullyBootstrapped () {
+	public function hasFullyBootstrapped (): bool {
 		// Get state and check it
 		/* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput('BASE-DHT: CALLED!');
 		DebugMiddleware::getSelfInstance()->partialStub('Please implement this method.');
@@ -300,7 +300,7 @@ abstract class BaseDht extends BaseHubSystem implements Distributable {
 	 * @return	void
 	 * @todo	Switch flag 'accept_bootstrap'
 	 */
-	public function enableAcceptDhtBootstrap () {
+	public function enableAcceptDhtBootstrap (): void {
 		// Call method on database frontend
 		$this->getFrontendInstance()->enableAcceptDhtBootstrap();
 	}
diff --git a/application/hub/classes/dht/node/class_NodeDhtFacade.php b/application/hub/classes/dht/node/class_NodeDhtFacade.php
index 54296add0..96067f75a 100644
--- a/application/hub/classes/dht/node/class_NodeDhtFacade.php
+++ b/application/hub/classes/dht/node/class_NodeDhtFacade.php
@@ -66,7 +66,7 @@ class NodeDhtFacade extends BaseDht implements DistributableNode, Registerable {
 	 *
 	 * @return	$dhtInstance	An instance of a Distributable class
 	 */
-	public final static function createNodeDhtFacade () {
+	public final static function createNodeDhtFacade (): DistributableNode {
 		// Get new instance
 		$dhtInstance = new NodeDhtFacade();
 
@@ -89,7 +89,7 @@ class NodeDhtFacade extends BaseDht implements DistributableNode, Registerable {
 	 * @return	void
 	 * @todo	Does this data need to be enriched with more meta data?
 	 */
-	protected function insertDataIntoDht (array $dhtData) {
+	protected function insertDataIntoDht (array $dhtData): void {
 		// Check if there is already an entry for given node_id
 		/* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput(sprintf('NODE-DHT-FACADE: dhtData()=%d - CALLED!', count($dhtData)));
 		if ($this->getFrontendInstance()->isNodeRegistered($dhtData)) {
@@ -118,7 +118,7 @@ class NodeDhtFacade extends BaseDht implements DistributableNode, Registerable {
 	 *
 	 * @return	void
 	 */
-	public function initDht () {
+	public function initDht (): void {
 		// Is the local node registered?
 		/* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput('NODE-DHT-FACADE: CALLED!');
 		if ($this->getFrontendInstance()->isLocalNodeRegistered()) {
@@ -145,7 +145,7 @@ class NodeDhtFacade extends BaseDht implements DistributableNode, Registerable {
 	 *
 	 * @return	void
 	 */
-	public function bootstrapDht () {
+	public function bootstrapDht (): void {
 		// Get a helper instance
 		$helperInstance = ObjectFactory::createObjectByConfiguredName('dht_bootstrap_helper_class');
 
@@ -172,7 +172,7 @@ class NodeDhtFacade extends BaseDht implements DistributableNode, Registerable {
 	 * @param	$sessionId	Session id to lookup
 	 * @return	$nodeData	Node-data array
 	 */
-	public function findNodeLocalBySessionId (string $sessionId) {
+	public function findNodeLocalBySessionId (string $sessionId): array {
 		// Validate parameter
 		/* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput(sprintf('NODE-DHT-FACADE: sessionId=%s - CALLED!', $sessionId));
 		if (empty($sessionId)) {
@@ -213,7 +213,7 @@ class NodeDhtFacade extends BaseDht implements DistributableNode, Registerable {
 	 * @param	$locatorInstance	An instance of a LocateableNode class
 	 * @return	$nodeData	Node-data array
 	 */
-	public function findNodeByUniversalNodeLocator (LocateableNode $locatorInstance) {
+	public function findNodeByUniversalNodeLocator (LocateableNode $locatorInstance): array {
 		// Default is empty data array
 		/* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput(sprintf('NODE-DHT-FACADE: locatorInstance=%s - CALLED!', $locatorInstance->__toString()));
 		//* DEBUG-DIE: */ ApplicationEntryPoint::exitApplication(sprintf('[%s:%d]: locatorInstance=%s', __METHOD__, __LINE__, print_r($locatorInstance, TRUE)));
@@ -256,7 +256,7 @@ class NodeDhtFacade extends BaseDht implements DistributableNode, Registerable {
 	 * @throws	NodeSessionIdVerficationException	If the node was not found and update is forced
 	 * @throws	UnexpectedValueException	If $resultInstance does not implement wanted interface
 	 */
-	public function registerNodeByMessageInstance (DeliverableMessage $messageInstance, HandleableDataSet $handlerInstance, bool $forceUpdate = FALSE) {
+	public function registerNodeByMessageInstance (DeliverableMessage $messageInstance, HandleableDataSet $handlerInstance, bool $forceUpdate = FALSE): void {
 		// Get a search criteria class
 		/* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput(sprintf('NODE-DHT-FACADE: state=%s,messageInstance=%s,handlerInstance=%s,forceUpdate=%d - CALLED', $this->getPrintableState(), $messageInstance->__toString(), $handlerInstance->__toString(), intval($forceUpdate)));
 		$searchInstance = ObjectFactory::createObjectByConfiguredName('search_criteria_class');
@@ -317,7 +317,7 @@ class NodeDhtFacade extends BaseDht implements DistributableNode, Registerable {
 	 * @return	$nodeList			An array with all found nodes
 	 * @throws	UnexpectedValueException	If $resultInstance does not implement wanted interface
 	 */
-	public function queryLocalNodeListExceptByMessageInstance (DeliverableMessage $messageInstance, HandleableDataSet $handlerInstance, string $excludeKey, string $andKey, string $separator) {
+	public function queryLocalNodeListExceptByMessageInstance (DeliverableMessage $messageInstance, HandleableDataSet $handlerInstance, string $excludeKey, string $andKey, string $separator): array {
 		// Get a search criteria class
 		/* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput(sprintf('NODE-DHT-FACADE: messageInstance=%s,handlerInstance=%s,excludeKey=%s,andKey=%s,separator=%s - CALLED!', $messageInstance->__toString(), $handlerInstance->__toString(), $excludeKey, $andKey, $separator));
 		//* PRINTR-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput(sprintf('NODE-DHT-FACADE: state=%s,messageInstance=%s', $this->getPrintableState(), print_r($messageInstance, TRUE)));
@@ -389,7 +389,7 @@ class NodeDhtFacade extends BaseDht implements DistributableNode, Registerable {
 	 * @param	$nodeList	An array from an earlier database result instance
 	 * @return	void
 	 */
-	public function insertNodeList (array $nodeList) {
+	public function insertNodeList (array $nodeList): void {
 		// If no node is in the list (array), skip the rest of this method
 		/* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput(sprintf('NODE-DHT-FACADE: nodeList()=%d - CALLED!', count($nodeList)));
 		if (count($nodeList) == 0) {
@@ -415,7 +415,7 @@ class NodeDhtFacade extends BaseDht implements DistributableNode, Registerable {
 	 * @return	$recipients		An indexed array with DHT recipients
 	 * @throws	UnexpectedValueException	If $resultInstance does not implement wanted interface
 	 */
-	public function findRecipientsByPackageInstance (DeliverablePackage $packageInstance) {
+	public function findRecipientsByPackageInstance (DeliverablePackage $packageInstance): array {
 		// Query get a result instance back from DHT database frontend
 		/* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput(sprintf('NODE-DHT-FACADE: packageInstance=%s - CALLED!', $packageInstance->__toString()));
 		$resultInstance = $this->getFrontendInstance()->getResultFromExcludedSender($packageInstance);
@@ -457,11 +457,11 @@ class NodeDhtFacade extends BaseDht implements DistributableNode, Registerable {
 	 *
 	 * @param	$key		Key to search for
 	 * @param	$value		Value to check on found key
-	 * @return	$recipiens	Array with DHT recipients from given key/value pair
+	 * @return	$recipients		Array with DHT recipients from given key/value pair
 	 * @throws	InvalidArgumentException	If $key is empty
 	 * @throws	UnexpectedValueException	If $resultInstance does not implement wanted interface
 	 */
-	public function findRecipientsByKey (string $key, $value) {
+	public function findRecipientsByKey (string $key, mixed $value): array {
 		// Is key parameter valid?
 		/* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput(sprintf('NODE-DHT-FACADE: key=%s,value[%s]=%s - CALLED!', $key, gettype($value), $value));
 		if (empty($key)) {
diff --git a/application/hub/classes/feature/hubcoin_reward/class_HubcoinRewardFeature.php b/application/hub/classes/feature/hubcoin_reward/class_HubcoinRewardFeature.php
index a8e639bd8..ee2092bbf 100644
--- a/application/hub/classes/feature/hubcoin_reward/class_HubcoinRewardFeature.php
+++ b/application/hub/classes/feature/hubcoin_reward/class_HubcoinRewardFeature.php
@@ -51,9 +51,11 @@ class HubcoinRewardFeature extends BaseFeature implements Feature {
 	 */
 	public final static function createHubcoinRewardFeature () {
 		// Get a new instance
+		/* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->traceMessage(sprintf('[%s:%d]: CALLED!', __METHOD__, __LINE__));
 		$featureInstance = new HubcoinRewardFeature();
 
 		// Return the prepared instance
+		/* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->traceMessage(sprintf('[%s:%d]: featureInstance=%s - EXIT!', __METHOD__, __LINE__, $featureInstance->__toString()));
 		return $featureInstance;
 	}
 
@@ -64,11 +66,11 @@ class HubcoinRewardFeature extends BaseFeature implements Feature {
 	 */
 	public function isFeatureAvailable () {
 		// Testing this feature is pretty simple:
-		//* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput(sprintf('[%s:%d]: CALLED!', __METHOD__, __LINE__));
+		/* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->traceMessage(sprintf('[%s:%d]: CALLED!', __METHOD__, __LINE__));
 		$isAvailable = ((FrameworkBootstrap::getConfigurationInstance()->getConfigEntry('extension_scrypt_loaded') === TRUE) && (extension_loaded('scrypt')) && (is_callable('scrypt')));
 
 		// Return status
-		//* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput(sprintf('[%s:%d]: isAvailable=%d - EXIT!', __METHOD__, __LINE__, intval($isAvailable)));
+		/* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->traceMessage(sprintf('[%s:%d]: isAvailable=%d - EXIT!', __METHOD__, __LINE__, intval($isAvailable)));
 		return $isAvailable;
 	}
 
@@ -84,14 +86,14 @@ class HubcoinRewardFeature extends BaseFeature implements Feature {
 	 */
 	public function featureMethodGenerateHash ($data) {
 		// Make sure the feature is available
-		//* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput(sprintf('[%s:%d]: data()=%d - CALLED!', __METHOD__, __LINE__, strlen($data)));
+		/* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->traceMessage(sprintf('[%s:%d]: data()=%d - CALLED!', __METHOD__, __LINE__, strlen($data)));
 		assert(FrameworkFeature::isFeatureAvailable('hubcoin_reward'));
 
 		// Call inner class
 		$hash = Scrypt::hashScrypt($data);
 
 		// Return generated hash
-		//* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput(sprintf('[%s:%d]: hash=%s - EXIT!', __METHOD__, __LINE__, $hash));
+		/* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->traceMessage(sprintf('[%s:%d]: hash=%s - EXIT!', __METHOD__, __LINE__, $hash));
 		return $hash;
 	}
 
@@ -104,14 +106,14 @@ class HubcoinRewardFeature extends BaseFeature implements Feature {
 	 */
 	public function featureMethodCheckHash ($data, string $hash) {
 		// Make sure the feature is available
-		//* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput(sprintf('[%s:%d]: data()=%d,hash=%s - CALLED!', __METHOD__, __LINE__, strlen($data), $hash));
+		/* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->traceMessage(sprintf('[%s:%d]: data()=%d,hash=%s - CALLED!', __METHOD__, __LINE__, strlen($data), $hash));
 		assert(FrameworkFeature::isFeatureAvailable('hubcoin_reward'));
 
 		// Determine it
 		$isValid = Scrypt::checkScrypt($data, $hash);
 
 		// Return status
-		//* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput(sprintf('[%s:%d]: isValid=%d - EXIT!', __METHOD__, __LINE__, intval($isValid)));
+		/* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->traceMessage(sprintf('[%s:%d]: isValid=%d - EXIT!', __METHOD__, __LINE__, intval($isValid)));
 		return $isValid;
 	}
 
diff --git a/application/hub/classes/pools/peer/class_DefaultPeerPool.php b/application/hub/classes/pools/peer/class_DefaultPeerPool.php
index af5d18ac7..be0128585 100644
--- a/application/hub/classes/pools/peer/class_DefaultPeerPool.php
+++ b/application/hub/classes/pools/peer/class_DefaultPeerPool.php
@@ -80,7 +80,7 @@ class DefaultPeerPool extends BasePool implements PoolablePeer {
 	 */
 	private function validateSocket (StorableSocket $socketInstance) {
 		// Is it a valid resource?
-		//* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput(sprintf('HUB-SYSTEM: socketInstance->socketResource=%s - CALLED!', $socketInstance->getPrintableName()));
+		//* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->traceMessage(sprintf('HUB-SYSTEM: socketInstance->socketResource=%s - CALLED!', $socketInstance->getPrintableName()));
 		if (!$socketInstance->isValidSocket()) {
 			// Throw an exception
 			throw new InvalidSocketException([$this, $socketInstance->getSocketResource()], self::EXCEPTION_INVALID_SOCKET);
@@ -105,9 +105,9 @@ class DefaultPeerPool extends BasePool implements PoolablePeer {
 	 * @throws	InvalidArgumentException	If $connectionType is empty
 	 * @throws	InvalidConnectionTypeException	If the provided connection type is not valid
 	 */
-	public function addPeer (StorableSocket $socketInstance, string $connectionType) {
+	public function addPeer (StorableSocket $socketInstance, string $connectionType): void {
 		// Validate parameter
-		/* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput(sprintf('DEFAULT-PEER-POOL: socketResource[%s]=%s,connectionType=%s - CALLED!', gettype($socketInstance->getSocketResource()), $socketInstance->getPrintableName(), $connectionType));
+		/* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->traceMessage(sprintf('DEFAULT-PEER-POOL: socketResource[%s]=%s,connectionType=%s - CALLED!', gettype($socketInstance->getSocketResource()), $socketInstance->getPrintableName(), $connectionType));
 		if (empty($connectionType)) {
 			// Throw exception
 			throw new InvalidArgumentException('Parameter "connectionType" is empty', FrameworkInterface::EXCEPTION_INVALID_ARGUMENT);
@@ -157,12 +157,12 @@ class DefaultPeerPool extends BasePool implements PoolablePeer {
 	 *
 	 * @return	$sockets	An array with all sockets
 	 */
-	public final function getAllSockets () {
+	public final function getAllSockets (): array {
 		// Get the list
 		$sockets = $this->getArrayFromList('pool');
 
 		// Return it
-		/* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput(sprintf('DEFAULT-PEER-POOL: sockets()=%d - EXIT!', count($sockets)));
+		/* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->traceMessage(sprintf('DEFAULT-PEER-POOL: sockets()=%d - EXIT!', count($sockets)));
 		return $sockets;
 	}
 
@@ -171,7 +171,7 @@ class DefaultPeerPool extends BasePool implements PoolablePeer {
 	 *
 	 * @return	$sockets	An array with all socket arrays
 	 */
-	public final function getAllSingleSockets () {
+	public final function getAllSingleSockets (): array {
 		// Get the array list
 		$socketArrays = $this->getArrayFromList('pool');
 
@@ -196,9 +196,9 @@ class DefaultPeerPool extends BasePool implements PoolablePeer {
 	 * @throws	InvalidConnectionTypeException	If the found connection type is not valid
 	 * @throws	InvalidArgumentException	If $connectionType is empty
 	 */
-	public function getSocketsByConnectionType (string $connectionType) {
+	public function getSocketsByConnectionType (string $connectionType): array {
 		// Validate parameter
-		/* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput(sprintf('DEFAULT-PEER-POOL: connectionType=%s - CALLED!', $connectionType));
+		/* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->traceMessage(sprintf('DEFAULT-PEER-POOL: connectionType=%s - CALLED!', $connectionType));
 		if (empty($connectionType)) {
 			// Throw exception
 			throw new InvalidArgumentException('Parameter "connectionType" is empty', FrameworkInterface::EXCEPTION_INVALID_ARGUMENT);
@@ -241,7 +241,7 @@ class DefaultPeerPool extends BasePool implements PoolablePeer {
 	 */
 	public function getSocketFromPackageInstance (DeliverablePackage $packageInstance, string $connectionType = NULL) {
 		// Validate parameter
-		//* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput(sprintf('DEFAULT-PEER-POOL: packageInstance=%s,connectionType[%s]=%s - CALLED!', $packageInstance->__toString(), gettype($connectionType), $connectionType));
+		//* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->traceMessage(sprintf('DEFAULT-PEER-POOL: packageInstance=%s,connectionType[%s]=%s - CALLED!', $packageInstance->__toString(), gettype($connectionType), $connectionType));
 		if (empty($connectionType)) {
 			// Throw exception
 			throw new InvalidArgumentException('Parameter "connectionType" is empty', FrameworkInterface::EXCEPTION_INVALID_ARGUMENT);
@@ -301,7 +301,7 @@ class DefaultPeerPool extends BasePool implements PoolablePeer {
 		}
 
 		// Return the determined socket instance
-		/* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput(sprintf('DEFAULT-PEER-POOL: socketInstance[]=%s - EXIT!', gettype($socketInstance)));
+		/* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->traceMessage(sprintf('DEFAULT-PEER-POOL: socketInstance[]=%s - EXIT!', gettype($socketInstance)));
 		return $socketInstance;
 	}
 
diff --git a/application/hub/classes/tools/hub/class_HubTools.php b/application/hub/classes/tools/hub/class_HubTools.php
index 056fb72ea..216407326 100644
--- a/application/hub/classes/tools/hub/class_HubTools.php
+++ b/application/hub/classes/tools/hub/class_HubTools.php
@@ -97,7 +97,7 @@ class HubTools extends BaseHubSystem {
 	 *
 	 * @return	$sessionIdLength	Length of session ids
 	 */
-	protected final function getSessionIdLength () {
+	protected final function getSessionIdLength (): int {
 		return $this->sessionIdLength;
 	}
 
@@ -106,10 +106,10 @@ class HubTools extends BaseHubSystem {
 	 * is resolveSessionIdByUniversalNodeLocator()
 	 *
 	 * @param	$sessionId	A valid session id
-	 * @return	$recipientUniversalNodeLocator	Recipient as Universal Node Locator
+	 * @return	$recipientUnl	Recipient as Universal Node Locator
 	 * @throws	InvalidArgumentException	If $sessionId is not valid
 	 */
-	protected function resolveUniversalNodeLocatorBySessionId (string $sessionId) {
+	protected function resolveUniversalNodeLocatorBySessionId (string $sessionId): string {
 		// Validate parameter
 		/* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput(sprintf('HUB-TOOLS: sessionId=%s - CALLED!', $sessionId));
 		if (empty($sessionId)) {
@@ -152,7 +152,7 @@ class HubTools extends BaseHubSystem {
 	 * @return	$nodeId		Node id
 	 * @throws	InvalidArgumentException	If $sessionId is not valid
 	 */
-	public static function resolveNodeIdBySessionId (string $sessionId) {
+	public static function resolveNodeIdBySessionId (string $sessionId): string {
 		// Validate parameter
 		/* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput(sprintf('HUB-TOOLS: sessionId=%s - CALLED!', $sessionId));
 		if (empty($sessionId)) {
@@ -182,7 +182,7 @@ class HubTools extends BaseHubSystem {
 	 * @param	$locatorInstance	An instance of a LocateableNode class
 	 * @return	$sessionId		Valid session id
 	 */
-	public static function resolveSessionIdByUniversalNodeLocator (LocateableNode $locatorInstance) {
+	public static function resolveSessionIdByUniversalNodeLocator (LocateableNode $locatorInstance): string {
 		// Get an own instance
 		/* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput(sprintf('HUB-TOOLS: locatorInstance=%s - CALLED!', $locatorInstance->__toString()));
 		$selfInstance = self::getSelfInstance();
@@ -215,7 +215,7 @@ class HubTools extends BaseHubSystem {
 	 * @throws	InvalidSessionIdException	If the provided session id is invalid (and no Universal Node Locator)
 	 * @throws	NoValidHostnameException	If the provided hostname cannot be resolved into an IP address
 	 */
-	public static function resolveSessionIdToUnl (string $address) {
+	public static function resolveSessionIdToUnl (string $address): string {
 		// Is the parameter valid?
 		/* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput(sprintf('HUB-TOOLS: address=%s - CALLED!', $address));
 		if (empty($address)) {
@@ -256,7 +256,7 @@ class HubTools extends BaseHubSystem {
 	 *
 	 * @return	$unl	The determined external UNL of this node
 	 */
-	public static function determineOwnExternalAddress () {
+	public static function determineOwnExternalAddress (): string {
 		// Is the external_address config entry set?
 		//* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput('HUB-TOOLS: CALLED!');
 		if (isset(self::$cachedAddresses[DiscoverableUniversalNodeLocator::UNL_TYPE_EXTERNAL])) {
@@ -285,7 +285,7 @@ class HubTools extends BaseHubSystem {
 	 *
 	 * @return	$unl	The determined internal UNL of this node
 	 */
-	public static function determineOwnInternalAddress () {
+	public static function determineOwnInternalAddress (): string {
 		// Is the internal_address config entry set?
 		//* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput('HUB-TOOLS: CALLED!');
 		if (isset(self::$cachedAddresses[DiscoverableUniversalNodeLocator::UNL_TYPE_INTERNAL])) {
@@ -338,7 +338,7 @@ class HubTools extends BaseHubSystem {
 	 *
 	 * @return	$externalUnl	External UNL
 	 */
-	public static function determineExternalUniversalNodeLocator () {
+	public static function determineExternalUniversalNodeLocator (): string {
 		// Determine UNL based on this node:
 		//* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput('HUB-TOOLS: CALLED!');
 		// 1) Get discovery class
diff --git a/application/hub/classes/tools/node/class_NodeLocatorUtils.php b/application/hub/classes/tools/node/class_NodeLocatorUtils.php
index f774c961c..568b5b2d1 100644
--- a/application/hub/classes/tools/node/class_NodeLocatorUtils.php
+++ b/application/hub/classes/tools/node/class_NodeLocatorUtils.php
@@ -52,7 +52,7 @@ class NodeLocatorUtils extends BaseHubSystem {
 	 * @param	$unl		Universal Node Locator to validate
 	 * @return	$isValid	Whether the UNL is valid
 	 */
-	public static function isValidUniversalNodeLocator (string $unl) {
+	public static function isValidUniversalNodeLocator (string $unl): bool {
 		// Debug message
 		//* NOISY-DEBUG: */ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput('UNIVERSAL-NODE-LOCATOR: unl=' . $unl . ' - CALLED!');
 
diff --git a/application/hub/interfaces/distributable/node/class_DistributableNode.php b/application/hub/interfaces/distributable/node/class_DistributableNode.php
index a917c75ec..6dff88b3b 100644
--- a/application/hub/interfaces/distributable/node/class_DistributableNode.php
+++ b/application/hub/interfaces/distributable/node/class_DistributableNode.php
@@ -43,7 +43,7 @@ interface DistributableNode extends Distributable {
 	 * @return	$nodeData	Node-data array
 	 * @throws	InvalidArgumentException	If parameter $sessionId is not valid
 	 */
-	function findNodeLocalBySessionId (string $sessionId);
+	function findNodeLocalBySessionId (string $sessionId): array;
 
 	/**
 	 * Finds a node locally by given UNL instance
@@ -51,7 +51,7 @@ interface DistributableNode extends Distributable {
 	 * @param	$locatorInstance	An instance of a LocateableNode class
 	 * @return	$nodeData	Node-data array
 	 */
-	function findNodeByUniversalNodeLocator (LocateableNode $locatorInstance);
+	function findNodeByUniversalNodeLocator (LocateableNode $locatorInstance): array;
 
 	/**
 	 * Registers an other node with this node by given message data. The
@@ -66,7 +66,7 @@ interface DistributableNode extends Distributable {
 	 * @param	$forceUpdate		Optionally force update, don't register (default: register if not found)
 	 * @return	void
 	 */
-	function registerNodeByMessageInstance (DeliverableMessage $messageInstance, HandleableDataSet $handlerInstance, bool $forceUpdate = FALSE);
+	function registerNodeByMessageInstance (DeliverableMessage $messageInstance, HandleableDataSet $handlerInstance, bool $forceUpdate = FALSE): void;
 
 	/**
 	 * Queries the local DHT data(base) for a node list with all supported
@@ -79,7 +79,7 @@ interface DistributableNode extends Distributable {
 	 * @param	$separator			Sepator char (1st parameter for explode() call)
 	 * @return	$nodeList			An array with all found nodes
 	 */
-	function queryLocalNodeListExceptByMessageInstance (DeliverableMessage $messageInstance, HandleableDataSet $handlerInstance, string $excludeKey, string $andKey, string $separator);
+	function queryLocalNodeListExceptByMessageInstance (DeliverableMessage $messageInstance, HandleableDataSet $handlerInstance, string $excludeKey, string $andKey, string $separator): array;
 
 	/**
 	 * Inserts given node list array (from earlier database result produced by
@@ -89,21 +89,21 @@ interface DistributableNode extends Distributable {
 	 * @param	$nodeList	An array from an earlier database result instance
 	 * @return	void
 	 */
-	function insertNodeList (array $nodeList);
+	function insertNodeList (array $nodeList): void;
 
 	/**
 	 * Checks whether there are entries in "INSERT" node data stack
 	 *
 	 * @return	$isPending	Whether there are pending entries
 	 */
-	function ifInsertNodeDataPending ();
+	function ifInsertNodeDataPending (): bool;
 
 	/**
 	 * Checks whether there are unpublished entries
 	 *
 	 * @return	$hasUnpublished		Whether there are unpublished entries
 	 */
-	function hasUnpublishedEntries ();
+	function hasUnpublishedEntries (): bool;
 
 	/**
 	 * Initializes publication of DHT entries. This does only prepare
@@ -112,14 +112,14 @@ interface DistributableNode extends Distributable {
 	 *
 	 * @return	void
 	 */
-	function initEntryPublication ();
+	function initEntryPublication (): void;
 
 	/**
 	 * Checks whether there are entries pending publication
 	 *
 	 * @return	$isPending	Whether there are entries pending publication
 	 */
-	function hasEntriesPendingPublication ();
+	function hasEntriesPendingPublication (): bool;
 
 	/**
 	 * Publishes next entry found in stack. This method shall also update the
@@ -127,6 +127,6 @@ interface DistributableNode extends Distributable {
 	 *
 	 * @return	void
 	 */
-	function publishEntry ();
+	function publishEntry (): void;
 
 }
diff --git a/application/hub/interfaces/pool/peer/class_PoolablePeer.php b/application/hub/interfaces/pool/peer/class_PoolablePeer.php
index ddee9884b..5488d3e5f 100644
--- a/application/hub/interfaces/pool/peer/class_PoolablePeer.php
+++ b/application/hub/interfaces/pool/peer/class_PoolablePeer.php
@@ -38,21 +38,21 @@ interface PoolablePeer extends Poolable, SocketTag {
 	 * @return	void
 	 * @throws	InvalidConnectionTypeException	If the provided connection type is not valid
 	 */
-	function addPeer (StorableSocket $socketInstance, string $connectionType);
+	function addPeer (StorableSocket $socketInstance, string $connectionType): void;
 
 	/**
 	 * Getter for array of all socket resources
 	 *
 	 * @return	$sockets	An array with all sockets
 	 */
-	function getAllSockets ();
+	function getAllSockets (): array;
 
 	/**
 	 * Getter for array of all socket arrays
 	 *
 	 * @return	$sockets	An array with all socket arrays
 	 */
-	function getAllSingleSockets ();
+	function getAllSingleSockets (): array;
 
 	/**
 	 * "Getter" for all sockets of specified type
diff --git a/core b/core
index cc9a1193f..ba75c20fc 160000
--- a/core
+++ b/core
@@ -1 +1 @@
-Subproject commit cc9a1193fe856148b71982e055dd05051751cef2
+Subproject commit ba75c20fcc3cc172de195703b3220168d97912fd