p2p/enode: fix endpoint determination for IPv6 #29801
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Still a bit WIP, needs some more fixes to tests. |
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Fixed the test by allowing unspecified IP in node. I'm doing this to allow nodes with 0.0.0.0 to round-trip the |
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enode.Nodehas separate accessor functions for getting theIP,UDPport andTCPport. These methods performed separate checks for attributes set in the ENR.With this PR, the accessor methods will now return cached information, and the endpoint is determined when the node is created. The logic to determine the preferred endpoint is now more correct, and considers how 'global' each address is when both IPv4 and IPv6 addresses are present in the ENR.
This is an alternative to #29736.