Elle Mouton 8c0df98439 multi: add abstraction for Router and SessionSource graph access ... In this commit, we completely remove the Router's dependence on a Graph source that requires a `kvdb.RTx`. In so doing, we are more prepared for a future where the Graph source is backed by different DB structure such as pure SQL. The two areas affected here are: the ChannelRouter's graph access that it uses for pathfinding. And the SessionSource's graph access that it uses for payments. The ChannelRouter gets given a Graph and the SessionSource is given a GraphSessionFactory which it can use to create a new session. Behind the scenes, this will acquire a kvdb.RTx that will be used for calls to the Graph's `ForEachNodeChannel` method.		2024-07-15 15:13:57 +02:00
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graph_session.go	multi: add abstraction for Router and SessionSource graph access	2024-07-15 15:13:57 +02:00