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In the function connections_maker in net_node.inl a node selects the peers to which it tries to create a connection. This computation seems to be important in which order we select the peers: either from anchor list, white list and grey list or from grey list and white list. However, I have some troubles to figure out when we select which order. Can anybody explain that?

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Anchor first, then white, then gray.

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  • Yes, I agree. But there is an else branch: grey list and then white list. My question is when do we take this else branch?
    – Jan Telov
    Commented May 20, 2019 at 17:03
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    That else branch is hit if we have exhausted our expected white connection count, so it then tries some grays. If we specified we wanted to maintain a total of 10 outgoing peers, and of those, we wanted to say try 3 whites, once we have 3 whites connected, then try the grays.
    – jtgrassie
    Commented May 21, 2019 at 0:27

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