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* The maximal reduction in the probability is limited to 0.5 (previously
~0.05), such that we don't get too low apriori probabilities.
Otherwise, this may lead to a too strong selection of large (and maybe
expensive) channels. A two-hop path would get total probability
penalties of:
- 1000PPM/(0.6*0.6) = 2778 PPM in the unsaturated case
- 1000PPM/(0.6*(0.6*0.5)) = 5556 PPM in the saturated case, where the
second hop is saturated
The difference in PPM of 2778 PPM should be enough to bias towards the
first path.
* The smearing factor is reduced. Previously we had to keep a higher
smearing factor in order to make the capacity factor not go to zero
for high amounts, to still give a fully saturated channel a chance.
This is not needed anymore due to the capping to 0.5. A lower value of
the smearing factor lets us more precisely choose a capacity fraction
and the capacity factor is more neutral when it comes to intermediate
amounts.
We set a conservative default value for the capacity fraction, which
still has the effect of discarding exhausted channels, giving a
noticeable effect when about 90% of the capacity is being used.
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||
|---|---|---|
| .. | ||
| chainview | ||
| localchans | ||
| route | ||
| shards | ||
| testdata | ||
| ann_validation.go | ||
| bandwidth_test.go | ||
| bandwidth.go | ||
| control_tower_test.go | ||
| control_tower.go | ||
| errors.go | ||
| graph.go | ||
| heap_test.go | ||
| heap.go | ||
| integrated_routing_context_test.go | ||
| integrated_routing_test.go | ||
| log.go | ||
| missioncontrol_state_test.go | ||
| missioncontrol_state.go | ||
| missioncontrol_store_test.go | ||
| missioncontrol_store.go | ||
| missioncontrol_test.go | ||
| missioncontrol.go | ||
| mock_graph_test.go | ||
| mock_test.go | ||
| nodepair.go | ||
| notifications_test.go | ||
| notifications.go | ||
| pathfind_test.go | ||
| pathfind.go | ||
| payment_lifecycle_test.go | ||
| payment_lifecycle.go | ||
| payment_session_source.go | ||
| payment_session_test.go | ||
| payment_session.go | ||
| probability_apriori_test.go | ||
| probability_apriori.go | ||
| probability_bimodal_test.go | ||
| probability_bimodal.go | ||
| probability_estimator_test.go | ||
| probability_estimator.go | ||
| README.md | ||
| result_interpretation_test.go | ||
| result_interpretation.go | ||
| router_test.go | ||
| router.go | ||
| setup_test.go | ||
| stats.go | ||
| unified_edges_test.go | ||
| unified_edges.go | ||
| validation_barrier_test.go | ||
| validation_barrier.go | ||
routing
The routing package implements authentication+validation of channel announcements, pruning of the channel graph, path finding within the network, sending outgoing payments into the network and synchronizing new peers to our channel graph state.
Installation and Updating
$ go get -u github.com/lightningnetwork/lnd/routing