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Ran 04 Feb 2018 02:26AM UTC

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Committed 04 Feb 2018 02:14AM UTC coverage: 65.266% (-0.1%) from 65.402%

Job # RACE=false

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push

travis-ci

Committed by

Roasbeef

Commit Message

funding+htlcswitch: dynamically update short chan id of existing link

In this commit, we fix an existing bug that would result in some
payments getting “stuck”. This would happen if one side restarted
before the channel was fully locked in. In this case, since upon
re-connection, the link will get added to the switch with a *short
channel ID of zero*. If A then tries to make a multi-hop payment
through B, B will fail to forward the payment, as it’ll mistakenly
think that the payment originated from a local-subsystem as the channel
ID is zero. A short channel ID of zero is used to map local payments
back to their caller.

With fix this by allowing the funding manager to dynamically update the
short channel ID of a link after it discovers the short channel ID.

In this commit, we fix a second instance of reported “stuck” payments
by users.

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