graph.yml

# Define test payments in the format <destination node>: <amount>
tests:
  - destination1: 25000
  - destination2: 25000
  - destination1: 25000
  - destination2: 25000
  - destination3: 80000
  - shortcut_destination: 20000
  - long_route_destination: 20000

# Define a set of policies that are to be used in the channel definitions below.
policies:
  normal:
    cltvDelta: 40
    baseFee: 100
    feeRate: 1000
    htlcMaxSat: 100000
  expensive:
    cltvDelta: 40
    baseFee: 1000
    feeRate: 10000
    htlcMaxSat: 100000
  cheap:
    cltvDelta: 40
    baseFee: 0
    feeRate: 0
    htlcMaxSat: 100000

# Channels are defined as a map of initiator nodes. Each initiator node is a map
# itself with its peers. The value of each peer is a list of channels between
# the initiator node and the peer.

# open path: node0_0 -> node1_1 -> node2_0 -> node3_1 -> node4_1 -> destination1
nodes:
  destination1:
    policy: normal

  destination2:
    policy: normal

  destination3:
    policy: normal

  shortcut_destination:
    policy: cheap

  long_route_destination:
    policy: cheap

  start:
    policy: normal
    channels:
      node0_0:
        - capacity: 150000
      node0_1:
        - capacity: 150000
          remoteBalance: 140000
      mpp0_0:
        - capacity: 100000
          remoteBalance: 50000
      mpp0_1:
        - capacity: 100000
          remoteBalance: 50000
      # shortcut scenario:
      # The optimal solution is to split the payment into start-a-b-destination and start-x-y-destination.
      # The route start-x-b-destination is better, but the channel b-destination does not have enough
      # liquidity for the whole amount.
      # Inspired by "Optimally Reliable & Cheap Payment Flows on the Lightning Network"
      # https://arxiv.org/abs/2107.05322
      #
      #         shortcut_a - shortcut_b
      #       /                 /      \
      # start         ----------        shortcut_destination
      #       \     /                  /
      #        shortcut_x - shortcut_y
      shortcut_a:
        - capacity: 26000
      shortcut_x:
        - capacity: 26000
          remoteBalance: 10000
      # long route scenario:
      # The only solution is using a very long route `start-a-b-c-d-e-f-g-destination` along large channels.
      # The channels on the shorter routes `start-z-destination` and `start-z-y-destination` are smaller and
      # do not have enough liquidity.
      long_route_a:
        - capacity: 10000000
      long_route_z:
        - capacity: 100000

  node0_0:
    policy: normal
    channels:
      node1_0:
        - capacity: 150000
          remoteBalance: 140000
      node1_1:
        - capacity: 150000
      black_hole:
        - capacity: 150000
      black_hole_indirect:
        - capacity: 150000

  node0_1:
    policy: normal
    channels:
      node1_0:
        - capacity: 150000
          remoteBalance: 140000
      node1_1:
        - capacity: 150000
          remoteBalance: 140000

  node1_0:
    policy: normal
    channels:
      node2_0:
        - capacity: 150000
          remoteBalance: 140000
      node2_1:
        - capacity: 150000
          remoteBalance: 140000

  node1_1:
    policy: expensive
    channels:
      node2_0:
        - capacity: 150000
      node2_1:
        - capacity: 150000
          remoteBalance: 140000

  node2_0:
    policy: expensive
    channels:
      node3_0:
        - capacity: 150000
          remoteBalance: 140000
      node3_1:
        - capacity: 150000
  node2_1:
    policy: normal
    channels:
      node3_0:
        - capacity: 150000
          remoteBalance: 140000
      node3_1:
        - capacity: 150000
          remoteBalance: 140000

  node3_0:
    policy: normal
    channels:
      node4_0:
        - capacity: 150000
          remoteBalance: 140000
      node4_1:
        - capacity: 150000
          remoteBalance: 140000

  node3_1:
    policy: expensive
    channels:
      node4_0:
        - capacity: 150000
          remoteBalance: 140000
      node4_1:
        - capacity: 150000
      destination2:
        - capacity: 150000

  node4_0:
    policy: normal
    channels:
      destination1:
        - capacity: 150000
  node4_1:
    policy: expensive
    channels:
      destination1:
        - capacity: 150000

  black_hole:
    policy: cheap
    channels:
      no_liquidity_0:
        - capacity: 150000
          remoteBalance: 140000
      no_liquidity_1:
        - capacity: 150000
          remoteBalance: 140000
      no_liquidity_2:
        - capacity: 150000
          remoteBalance: 140000
      no_liquidity_3:
        - capacity: 150000
          remoteBalance: 140000
      no_liquidity_4:
        - capacity: 150000
          remoteBalance: 140000
      no_liquidity_5:
        - capacity: 150000
          remoteBalance: 140000

  black_hole_indirect:
    policy: normal
    channels:
      no_liquidity_0:
        - capacity: 150000
      no_liquidity_1:
        - capacity: 150000
      no_liquidity_2:
        - capacity: 150000
      no_liquidity_3:
        - capacity: 150000
      no_liquidity_4:
        - capacity: 150000
      no_liquidity_5:
        - capacity: 150000

  no_liquidity_0:
    policy: cheap
    channels:
      destination1:
        - capacity: 150000
          remoteBalance: 140000
      destination2:
        - capacity: 150000
          remoteBalance: 140000

  no_liquidity_1:
    policy: cheap
    channels:
      destination1:
        - capacity: 150000
          remoteBalance: 140000
      destination2:
        - capacity: 150000
          remoteBalance: 140000

  no_liquidity_2:
    policy: cheap
    channels:
      destination1:
        - capacity: 150000
          remoteBalance: 140000
      destination2:
        - capacity: 150000
          remoteBalance: 140000

  no_liquidity_3:
    policy: cheap
    channels:
      destination1:
        - capacity: 150000
          remoteBalance: 140000
      destination2:
        - capacity: 150000
          remoteBalance: 140000

  no_liquidity_4:
    policy: cheap
    channels:
      destination1:
        - capacity: 150000
          remoteBalance: 140000
      destination2:
        - capacity: 150000
          remoteBalance: 140000

  no_liquidity_5:
    policy: cheap
    channels:
      destination1:
        - capacity: 150000
          remoteBalance: 140000
      destination2:
        - capacity: 150000
          remoteBalance: 140000

  mpp0_0:
    policy: normal
    channels:
      mpp1_0:
        - capacity: 100000
          remoteBalance: 70000
      mpp1_1:
        - capacity: 100000
          remoteBalance: 70000

  mpp0_1:
    policy: normal
    channels:
      mpp1_0:
        - capacity: 100000
          remoteBalance: 70000
      mpp1_1:
        - capacity: 100000
          remoteBalance: 70000

  mpp1_0:
    policy: normal
    channels:
      destination3:
        - capacity: 500000
          remoteBalance: 50000

  mpp1_1:
    policy: normal
    channels:
      destination3:
        - capacity: 500000
          remoteBalance: 50000

  shortcut_a:
    policy: cheap
    channels:
      shortcut_b:
        - capacity: 25000

  shortcut_b:
    policy: cheap
    channels:
      shortcut_destination:
        - capacity: 45000
          remoteBalance: 30000

  shortcut_x:
    policy: cheap
    channels:
      shortcut_y:
        - capacity: 70000
      shortcut_b:
        - capacity: 90000

  shortcut_y:
    policy: cheap
    channels:
      shortcut_destination:
        - capacity: 45000
          remoteBalance: 30000

  long_route_a:
    policy: cheap
    channels:
      long_route_b:
        - capacity: 10000000

  long_route_b:
    policy: cheap
    channels:
      long_route_c:
        - capacity: 10000000

  long_route_c:
    policy: cheap
    channels:
      long_route_d:
        - capacity: 10000000

  long_route_d:
    policy: cheap
    channels:
      long_route_e:
        - capacity: 10000000

  long_route_e:
    policy: cheap
    channels:
      long_route_f:
        - capacity: 10000000

  long_route_f:
    policy: cheap
    channels:
      long_route_g:
        - capacity: 10000000

  long_route_g:
    policy: cheap
    channels:
      long_route_destination:
        - capacity: 10000000

  long_route_z:
    policy: cheap
    channels:
      long_route_destination:
        - capacity: 50000
          remoteBalance: 40000
      long_route_y:
        - capacity: 50000

  long_route_y:
    policy: cheap
    channels:
      long_route_destination:
        - capacity: 50000
          remoteBalance: 40000