j-berman d8d3cf9730 p2p: fix race causing dropped connections during sync ...

Without this commit:
1) read height from DB
2) add block to chain in separate thread
3) read chain for block id's and request them from peer
4) ERR in handle_response_chain_entry, peer's first block is the
one that was added to the chain, which has block idx=height from
step 1.

This commit reads the chain for height and highest block id's
in one go while holding the m_blockchain_lock to avoid the race.

2025-12-11 21:37:20 -08:00

51 KiB

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