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use ping messages in two directions instead of ddcd wake-up/go-to-sleep #61

Closed michielbdejong closed 7 years ago

michielbdejong commented 7 years ago

go-to-sleep message can enter into loops through glitches, so that doesn't really work.

easier to ping in both directions when a new debt is created, plus maybe periodically in case pings get lost. although that could allow attackers to attract probes... but then again, they could just send probes anyway... a ping by way of saying please-probe may be simplest. it would work well and be simple in simplistic simulations, can improve later.

michielbdejong commented 7 years ago

there is still a problem with timing glitches in ddcd-dfs, but will create a new issue after https://github.com/ledgerloops/ledgerloops-webcrypto/issues/1. Closing this now.