limit consecutive restarts with no data transfer #129
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This was referenced Dec 18, 2020
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Needed for filecoin-project/lotus#5211
Currently when a push channel stalls (no data is sent for a while) the push channel monitor will attempt to restart the channel.
It's possible that the monitor will keep restarting the channel forever, and the transfer will get stuck.
This PR adds a configurable parameter
maxConsecutiveRestarts- the maximum number of restarts in a row to attempt where no data is transferred. When the limit is reached the channel is closed.