c5b5843d8f test: avoid requesting blocks beyond limited peer threshold (furszy)
2f6a05512f p2p: sync from limited peer, only request blocks below threshold (furszy)
73127722a2 refactor: Make FindNextBlocks friendlier (furszy)
Pull request description:
Even when the node believes it has IBD completed, need to avoid
requesting historical blocks from network-limited peers.
Otherwise, the limited peer will disconnect right away.
The simplest scenario could be a node that gets synced, drops
connections, and stays inactive for a while. Then, once it re-connects
(IBD stays completed), the node tries to fetch all the missing blocks
from any peer, getting disconnected by the limited ones.
Note:
Can verify the behavior by cherry-picking the test commit alone on
master. It will fail there.
ACKs for top commit:
achow101:
ACK c5b5843d8f
vasild:
ACK c5b5843d8f
mzumsande:
Code Review ACK c5b5843d8f
pinheadmz:
ACK c5b5843d8f
Tree-SHA512: 9e550698bc6e63cc587b2b988a87d0ab555a8fa188c91c3f33287f8201d77c28b373331845356ad86f17bb21c15950b6466bc1cafd0ce8139d70364cb71c2ad2
4a903741b0