Ensure pong response recipient port is a uint16 #156
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…rt-check # Conflicts: # src/main/java/org/ethereum/beacon/discovery/message/PongMessage.java
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PR Description
According to the spec,
recipient-portis a (unsigned) 16-bit integer. But the implementation ofPongMessageallowed any 32-bit integer to be used. I've added checks (isPortValidfrom Teku) to ensure its compliance.We could add checks to the constructor, but I don't think that's necessary. Maybe in a different PR.