autopilot: rename to Capacity to Balance, define ChannelInfo()
We rename the field Capacity on local channels to Balance, define a new method ChannelInfo on the manager config that let us query the database for our latest channels state. Using this we will use the current local balance instead of the channel capacity when doing allocation calculations.
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@ -829,7 +829,7 @@ func (a *Agent) executeDirective(directive AttachmentDirective) {
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// peers if the connection attempt happens to take too long.
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delete(a.pendingConns, nodeID)
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a.pendingOpens[nodeID] = LocalChannel{
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Capacity: directive.ChanAmt,
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Balance: directive.ChanAmt,
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Node: nodeID,
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}
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a.pendingMtx.Unlock()
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@ -100,7 +100,7 @@ func (h *agentConstraints) ChannelBudget(channels []LocalChannel,
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// present within the set of active channels.
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var totalChanAllocation btcutil.Amount
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for _, channel := range channels {
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totalChanAllocation += channel.Capacity
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totalChanAllocation += channel.Balance
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}
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// With this value known, we'll now compute the total amount of fund
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@ -50,15 +50,15 @@ func TestConstraintsChannelBudget(t *testing.T) {
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[]LocalChannel{
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{
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ChanID: randChanID(),
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Capacity: btcutil.Amount(prand.Int31()),
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Balance: btcutil.Amount(prand.Int31()),
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},
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{
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ChanID: randChanID(),
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Capacity: btcutil.Amount(prand.Int31()),
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Balance: btcutil.Amount(prand.Int31()),
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},
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{
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ChanID: randChanID(),
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Capacity: btcutil.Amount(prand.Int31()),
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Balance: btcutil.Amount(prand.Int31()),
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},
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},
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btcutil.Amount(btcutil.SatoshiPerBitcoin * 10),
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@ -73,11 +73,11 @@ func TestConstraintsChannelBudget(t *testing.T) {
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[]LocalChannel{
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{
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ChanID: randChanID(),
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Capacity: btcutil.Amount(btcutil.SatoshiPerBitcoin),
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Balance: btcutil.Amount(btcutil.SatoshiPerBitcoin),
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},
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{
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ChanID: randChanID(),
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Capacity: btcutil.Amount(btcutil.SatoshiPerBitcoin),
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Balance: btcutil.Amount(btcutil.SatoshiPerBitcoin),
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},
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},
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btcutil.Amount(btcutil.SatoshiPerBitcoin * 2),
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@ -96,7 +96,7 @@ func TestConstraintsChannelBudget(t *testing.T) {
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[]LocalChannel{
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{
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ChanID: randChanID(),
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Capacity: btcutil.Amount(btcutil.SatoshiPerBitcoin),
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Balance: btcutil.Amount(btcutil.SatoshiPerBitcoin),
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},
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},
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btcutil.Amount(btcutil.SatoshiPerBitcoin * 9),
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@ -116,11 +116,11 @@ func TestConstraintsChannelBudget(t *testing.T) {
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[]LocalChannel{
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{
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ChanID: randChanID(),
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Capacity: btcutil.Amount(btcutil.SatoshiPerBitcoin),
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Balance: btcutil.Amount(btcutil.SatoshiPerBitcoin),
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},
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{
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ChanID: randChanID(),
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Capacity: btcutil.Amount(btcutil.SatoshiPerBitcoin * 3),
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Balance: btcutil.Amount(btcutil.SatoshiPerBitcoin * 3),
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},
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},
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btcutil.Amount(btcutil.SatoshiPerBitcoin * 10),
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@ -135,11 +135,11 @@ func TestConstraintsChannelBudget(t *testing.T) {
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[]LocalChannel{
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{
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ChanID: randChanID(),
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Capacity: btcutil.Amount(btcutil.SatoshiPerBitcoin),
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Balance: btcutil.Amount(btcutil.SatoshiPerBitcoin),
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},
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{
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ChanID: randChanID(),
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Capacity: btcutil.Amount(btcutil.SatoshiPerBitcoin),
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Balance: btcutil.Amount(btcutil.SatoshiPerBitcoin),
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},
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},
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btcutil.Amount(btcutil.SatoshiPerBitcoin),
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@ -293,7 +293,7 @@ func TestAgentChannelOpenSignal(t *testing.T) {
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// with a capacity of 1 BTC.
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newChan := LocalChannel{
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ChanID: randChanID(),
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Capacity: btcutil.SatoshiPerBitcoin,
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Balance: btcutil.SatoshiPerBitcoin,
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}
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testCtx.agent.OnChannelOpen(newChan)
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@ -435,11 +435,11 @@ func TestAgentChannelCloseSignal(t *testing.T) {
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initialChans := []LocalChannel{
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{
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ChanID: randChanID(),
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Capacity: btcutil.SatoshiPerBitcoin,
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Balance: btcutil.SatoshiPerBitcoin,
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},
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{
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ChanID: randChanID(),
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Capacity: btcutil.SatoshiPerBitcoin * 2,
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Balance: btcutil.SatoshiPerBitcoin * 2,
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},
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}
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@ -730,9 +730,9 @@ func TestAgentPendingChannelState(t *testing.T) {
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t.Fatalf("should include pending chan in current "+
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"state, instead have %v chans", len(req.chans))
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}
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if req.chans[0].Capacity != chanAmt {
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t.Fatalf("wrong chan capacity: expected %v, got %v",
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req.chans[0].Capacity, chanAmt)
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if req.chans[0].Balance != chanAmt {
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t.Fatalf("wrong chan balance: expected %v, got %v",
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req.chans[0].Balance, chanAmt)
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}
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if req.chans[0].Node != nodeID {
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t.Fatalf("wrong node ID: expected %x, got %x",
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@ -44,8 +44,8 @@ type LocalChannel struct {
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// BOLT-0007.
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ChanID lnwire.ShortChannelID
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// Capacity is the capacity of the channel expressed in satoshis.
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Capacity btcutil.Amount
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// Balance is the local balance of the channel expressed in satoshis.
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Balance btcutil.Amount
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// Node is the peer that this channel has been established with.
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Node NodeID
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@ -5,6 +5,7 @@ import (
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"sync"
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"github.com/btcsuite/btcd/btcec"
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"github.com/btcsuite/btcd/wire"
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"github.com/lightningnetwork/lnd/lnwallet"
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"github.com/lightningnetwork/lnd/lnwire"
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"github.com/lightningnetwork/lnd/routing"
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@ -25,6 +26,10 @@ type ManagerCfg struct {
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// channels managed by this node.
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ChannelState func() ([]LocalChannel, error)
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// ChannelInfo is a function closure that returns the channel managed
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// by the node given by the passed channel point.
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ChannelInfo func(wire.OutPoint) (*LocalChannel, error)
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// SubscribeTransactions is used to get a subscription for transactions
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// relevant to this node's wallet.
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SubscribeTransactions func() (lnwallet.TransactionSubscription, error)
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@ -194,18 +199,16 @@ func (m *Manager) StartAgent() error {
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// opened, then we'll convert it to the
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// autopilot.Channel format, and notify
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// the pilot of the new channel.
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chanNode := NewNodeID(
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edgeUpdate.ConnectingNode,
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)
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chanID := lnwire.NewShortChanIDFromInt(
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edgeUpdate.ChanID,
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)
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edge := LocalChannel{
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ChanID: chanID,
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Capacity: edgeUpdate.Capacity,
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Node: chanNode,
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cp := edgeUpdate.ChanPoint
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edge, err := m.cfg.ChannelInfo(cp)
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if err != nil {
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log.Errorf("Unable to fetch "+
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"channel info for %v: "+
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"%v", cp, err)
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continue
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}
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pilot.OnChannelOpen(edge)
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pilot.OnChannelOpen(*edge)
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}
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// For each closed channel, we'll obtain
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23
pilot.go
23
pilot.go
@ -260,16 +260,35 @@ func initAutoPilot(svr *server, cfg *lncfg.AutoPilot,
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chanState := make([]autopilot.LocalChannel,
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len(activeChannels))
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for i, channel := range activeChannels {
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localCommit := channel.LocalCommitment
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balance := localCommit.LocalBalance.ToSatoshis()
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chanState[i] = autopilot.LocalChannel{
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ChanID: channel.ShortChanID(),
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Capacity: channel.Capacity,
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Balance: balance,
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Node: autopilot.NewNodeID(
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channel.IdentityPub),
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channel.IdentityPub,
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),
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}
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}
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return chanState, nil
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},
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ChannelInfo: func(chanPoint wire.OutPoint) (
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*autopilot.LocalChannel, error) {
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channel, err := svr.remoteChanDB.FetchChannel(chanPoint)
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if err != nil {
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return nil, err
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}
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localCommit := channel.LocalCommitment
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return &autopilot.LocalChannel{
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ChanID: channel.ShortChanID(),
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Balance: localCommit.LocalBalance.ToSatoshis(),
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Node: autopilot.NewNodeID(channel.IdentityPub),
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}, nil
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},
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SubscribeTransactions: svr.cc.wallet.SubscribeTransactions,
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SubscribeTopology: svr.chanRouter.SubscribeTopology,
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}, nil
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