lnd: export Manager, NewFundingManager
This commit is contained in:
eugene
parent
f43fd32daf
commit
6a209bbdaf
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@ -327,7 +327,7 @@ type fundingConfig struct {
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MaxAnchorsCommitFeeRate chainfee.SatPerKWeight
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}
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// fundingManager acts as an orchestrator/bridge between the wallet's
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// Manager acts as an orchestrator/bridge between the wallet's
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// 'ChannelReservation' workflow, and the wire protocol's funding initiation
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// messages. Any requests to initiate the funding workflow for a channel,
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// either kicked-off locally or remotely are handled by the funding manager.
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@ -336,7 +336,7 @@ type fundingConfig struct {
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// the channel workflow. Additionally, any temporary or permanent access
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// controls between the wallet and remote peers are enforced via the funding
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// manager.
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type fundingManager struct {
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type Manager struct {
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started sync.Once
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stopped sync.Once
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@ -429,10 +429,10 @@ var (
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ErrChannelNotFound = fmt.Errorf("channel not found")
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)
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// newFundingManager creates and initializes a new instance of the
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// NewFundingManager creates and initializes a new instance of the
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// fundingManager.
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func newFundingManager(cfg fundingConfig) (*fundingManager, error) {
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return &fundingManager{
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func NewFundingManager(cfg fundingConfig) (*Manager, error) {
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return &Manager{
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cfg: &cfg,
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chanIDKey: cfg.TempChanIDSeed,
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activeReservations: make(map[serializedPubKey]pendingChannels),
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@ -448,7 +448,7 @@ func newFundingManager(cfg fundingConfig) (*fundingManager, error) {
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// Start launches all helper goroutines required for handling requests sent
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// to the funding manager.
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func (f *fundingManager) Start() error {
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func (f *Manager) Start() error {
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var err error
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f.started.Do(func() {
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err = f.start()
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@ -456,7 +456,7 @@ func (f *fundingManager) Start() error {
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return err
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}
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func (f *fundingManager) start() error {
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func (f *Manager) start() error {
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fndgLog.Tracef("Funding manager running")
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// Upon restart, the Funding Manager will check the database to load any
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@ -550,7 +550,7 @@ func (f *fundingManager) start() error {
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// Stop signals all helper goroutines to execute a graceful shutdown. This
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// method will block until all goroutines have exited.
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func (f *fundingManager) Stop() error {
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func (f *Manager) Stop() error {
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var err error
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f.stopped.Do(func() {
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err = f.stop()
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@ -558,7 +558,7 @@ func (f *fundingManager) Stop() error {
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return err
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}
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func (f *fundingManager) stop() error {
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func (f *Manager) stop() error {
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fndgLog.Infof("Funding manager shutting down")
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close(f.quit)
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@ -569,7 +569,7 @@ func (f *fundingManager) stop() error {
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// nextPendingChanID returns the next free pending channel ID to be used to
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// identify a particular future channel funding workflow.
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func (f *fundingManager) nextPendingChanID() [32]byte {
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func (f *Manager) nextPendingChanID() [32]byte {
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// Obtain a fresh nonce. We do this by encoding the current nonce
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// counter, then incrementing it by one.
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f.nonceMtx.Lock()
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@ -592,7 +592,7 @@ func (f *fundingManager) nextPendingChanID() [32]byte {
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// CancelPeerReservations cancels all active reservations associated with the
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// passed node. This will ensure any outputs which have been pre committed,
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// (and thus locked from coin selection), are properly freed.
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func (f *fundingManager) CancelPeerReservations(nodePub [33]byte) {
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func (f *Manager) CancelPeerReservations(nodePub [33]byte) {
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fndgLog.Debugf("Cancelling all reservations for peer %x", nodePub[:])
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@ -632,7 +632,7 @@ func (f *fundingManager) CancelPeerReservations(nodePub [33]byte) {
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//
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// TODO(roasbeef): if peer disconnects, and haven't yet broadcast funding
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// transaction, then all reservations should be cleared.
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func (f *fundingManager) failFundingFlow(peer lnpeer.Peer, tempChanID [32]byte,
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func (f *Manager) failFundingFlow(peer lnpeer.Peer, tempChanID [32]byte,
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fundingErr error) {
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fndgLog.Debugf("Failing funding flow for pending_id=%x: %v",
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@ -684,7 +684,7 @@ func (f *fundingManager) failFundingFlow(peer lnpeer.Peer, tempChanID [32]byte,
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// funding workflow between the wallet, and any outside peers or local callers.
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//
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// NOTE: This MUST be run as a goroutine.
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func (f *fundingManager) reservationCoordinator() {
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func (f *Manager) reservationCoordinator() {
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defer f.wg.Done()
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zombieSweepTicker := time.NewTicker(f.cfg.ZombieSweeperInterval)
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@ -729,7 +729,7 @@ func (f *fundingManager) reservationCoordinator() {
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// to get OpenStatusUpdates.
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//
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// NOTE: This MUST be run as a goroutine.
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func (f *fundingManager) advanceFundingState(channel *channeldb.OpenChannel,
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func (f *Manager) advanceFundingState(channel *channeldb.OpenChannel,
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pendingChanID [32]byte, updateChan chan<- *lnrpc.OpenStatusUpdate) {
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defer f.wg.Done()
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@ -798,7 +798,7 @@ func (f *fundingManager) advanceFundingState(channel *channeldb.OpenChannel,
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// machine. This method is synchronous and the new channel opening state will
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// have been written to the database when it successfully returns. The
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// updateChan can be set non-nil to get OpenStatusUpdates.
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func (f *fundingManager) stateStep(channel *channeldb.OpenChannel,
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func (f *Manager) stateStep(channel *channeldb.OpenChannel,
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lnChannel *lnwallet.LightningChannel,
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shortChanID *lnwire.ShortChannelID, pendingChanID [32]byte,
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channelState channelOpeningState,
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@ -923,7 +923,7 @@ func (f *fundingManager) stateStep(channel *channeldb.OpenChannel,
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// advancePendingChannelState waits for a pending channel's funding tx to
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// confirm, and marks it open in the database when that happens.
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func (f *fundingManager) advancePendingChannelState(
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func (f *Manager) advancePendingChannelState(
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channel *channeldb.OpenChannel, pendingChanID [32]byte) error {
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confChannel, err := f.waitForFundingWithTimeout(channel)
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@ -1006,7 +1006,7 @@ func (f *fundingManager) advancePendingChannelState(
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// ProcessFundingMsg sends a message to the internal fundingManager goroutine,
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// allowing it to handle the lnwire.Message.
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func (f *fundingManager) ProcessFundingMsg(msg lnwire.Message, peer lnpeer.Peer) {
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func (f *Manager) ProcessFundingMsg(msg lnwire.Message, peer lnpeer.Peer) {
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select {
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case f.fundingMsgs <- &fundingMsg{msg, peer}:
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case <-f.quit:
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@ -1057,7 +1057,7 @@ func commitmentType(localFeatures,
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//
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// TODO(roasbeef): add error chan to all, let channelManager handle
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// error+propagate
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func (f *fundingManager) handleFundingOpen(peer lnpeer.Peer,
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func (f *Manager) handleFundingOpen(peer lnpeer.Peer,
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msg *lnwire.OpenChannel) {
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// Check number of pending channels to be smaller than maximum allowed
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@ -1405,7 +1405,7 @@ func (f *fundingManager) handleFundingOpen(peer lnpeer.Peer,
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// handleFundingAccept processes a response to the workflow initiation sent by
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// the remote peer. This message then queues a message with the funding
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// outpoint, and a commitment signature to the remote peer.
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func (f *fundingManager) handleFundingAccept(peer lnpeer.Peer,
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func (f *Manager) handleFundingAccept(peer lnpeer.Peer,
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msg *lnwire.AcceptChannel) {
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pendingChanID := msg.PendingChannelID
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@ -1569,7 +1569,7 @@ func (f *fundingManager) handleFundingAccept(peer lnpeer.Peer,
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// is continued.
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//
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// NOTE: This method must be called as a goroutine.
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func (f *fundingManager) waitForPsbt(intent *chanfunding.PsbtIntent,
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func (f *Manager) waitForPsbt(intent *chanfunding.PsbtIntent,
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resCtx *reservationWithCtx, pendingChanID [32]byte) {
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// failFlow is a helper that logs an error message with the current
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@ -1639,7 +1639,7 @@ func (f *fundingManager) waitForPsbt(intent *chanfunding.PsbtIntent,
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// continueFundingAccept continues the channel funding flow once our
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// contribution is finalized, the channel output is known and the funding
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// transaction is signed.
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func (f *fundingManager) continueFundingAccept(resCtx *reservationWithCtx,
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func (f *Manager) continueFundingAccept(resCtx *reservationWithCtx,
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pendingChanID [32]byte) {
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// Now that we have their contribution, we can extract, then send over
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@ -1691,7 +1691,7 @@ func (f *fundingManager) continueFundingAccept(resCtx *reservationWithCtx,
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// the responding side of a single funder workflow. Once this message has been
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// processed, a signature is sent to the remote peer allowing it to broadcast
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// the funding transaction, progressing the workflow into the final stage.
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func (f *fundingManager) handleFundingCreated(peer lnpeer.Peer,
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func (f *Manager) handleFundingCreated(peer lnpeer.Peer,
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msg *lnwire.FundingCreated) {
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peerKey := peer.IdentityKey()
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@ -1845,7 +1845,7 @@ func (f *fundingManager) handleFundingCreated(peer lnpeer.Peer,
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// broadcast. Once the funding transaction reaches a sufficient number of
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// confirmations, a message is sent to the responding peer along with a compact
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// encoding of the location of the channel within the blockchain.
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func (f *fundingManager) handleFundingSigned(peer lnpeer.Peer,
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func (f *Manager) handleFundingSigned(peer lnpeer.Peer,
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msg *lnwire.FundingSigned) {
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// As the funding signed message will reference the reservation by its
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@ -2007,7 +2007,7 @@ type confirmedChannel struct {
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// channel initiator and the maxWaitNumBlocksFundingConf has passed from the
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// funding broadcast height. In case of confirmation, the short channel ID of
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// the channel and the funding transaction will be returned.
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func (f *fundingManager) waitForFundingWithTimeout(
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func (f *Manager) waitForFundingWithTimeout(
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ch *channeldb.OpenChannel) (*confirmedChannel, error) {
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confChan := make(chan *confirmedChannel)
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@ -2070,7 +2070,7 @@ func makeFundingScript(channel *channeldb.OpenChannel) ([]byte, error) {
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// a *lnwire.ShortChannelID will be passed to confChan.
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//
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// NOTE: This MUST be run as a goroutine.
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func (f *fundingManager) waitForFundingConfirmation(
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func (f *Manager) waitForFundingConfirmation(
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completeChan *channeldb.OpenChannel, cancelChan <-chan struct{},
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confChan chan<- *confirmedChannel) {
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@ -2161,7 +2161,7 @@ func (f *fundingManager) waitForFundingConfirmation(
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//
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// NOTE: timeoutChan MUST be buffered.
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// NOTE: This MUST be run as a goroutine.
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func (f *fundingManager) waitForTimeout(completeChan *channeldb.OpenChannel,
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func (f *Manager) waitForTimeout(completeChan *channeldb.OpenChannel,
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cancelChan <-chan struct{}, timeoutChan chan<- error) {
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defer f.wg.Done()
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@ -2217,7 +2217,7 @@ func (f *fundingManager) waitForTimeout(completeChan *channeldb.OpenChannel,
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// the channelOpeningState markedOpen. In addition it will report the now
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// decided short channel ID to the switch, and close the local discovery signal
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// for this channel.
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func (f *fundingManager) handleFundingConfirmation(
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func (f *Manager) handleFundingConfirmation(
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completeChan *channeldb.OpenChannel,
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confChannel *confirmedChannel) error {
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@ -2305,7 +2305,7 @@ func (f *fundingManager) handleFundingConfirmation(
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// sendFundingLocked creates and sends the fundingLocked message.
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// This should be called after the funding transaction has been confirmed,
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// and the channelState is 'markedOpen'.
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func (f *fundingManager) sendFundingLocked(
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func (f *Manager) sendFundingLocked(
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completeChan *channeldb.OpenChannel, channel *lnwallet.LightningChannel,
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shortChanID *lnwire.ShortChannelID) error {
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@ -2367,7 +2367,7 @@ func (f *fundingManager) sendFundingLocked(
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// These announcement messages are NOT broadcasted to the greater network,
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// only to the channel counter party. The proofs required to announce the
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// channel to the greater network will be created and sent in annAfterSixConfs.
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func (f *fundingManager) addToRouterGraph(completeChan *channeldb.OpenChannel,
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func (f *Manager) addToRouterGraph(completeChan *channeldb.OpenChannel,
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shortChanID *lnwire.ShortChannelID) error {
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chanID := lnwire.NewChanIDFromOutPoint(&completeChan.FundingOutpoint)
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@ -2452,7 +2452,7 @@ func (f *fundingManager) addToRouterGraph(completeChan *channeldb.OpenChannel,
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// 'addedToRouterGraph') and the channel is ready to be used. This is the last
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// step in the channel opening process, and the opening state will be deleted
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// from the database if successful.
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func (f *fundingManager) annAfterSixConfs(completeChan *channeldb.OpenChannel,
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func (f *Manager) annAfterSixConfs(completeChan *channeldb.OpenChannel,
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shortChanID *lnwire.ShortChannelID) error {
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// If this channel is not meant to be announced to the greater network,
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@ -2575,7 +2575,7 @@ func (f *fundingManager) annAfterSixConfs(completeChan *channeldb.OpenChannel,
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// handleFundingLocked finalizes the channel funding process and enables the
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// channel to enter normal operating mode.
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func (f *fundingManager) handleFundingLocked(peer lnpeer.Peer,
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func (f *Manager) handleFundingLocked(peer lnpeer.Peer,
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msg *lnwire.FundingLocked) {
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defer f.wg.Done()
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@ -2698,7 +2698,7 @@ type chanAnnouncement struct {
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// identity pub keys of both parties to the channel, and the second segment is
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// authenticated only by us and contains our directional routing policy for the
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// channel.
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func (f *fundingManager) newChanAnnouncement(localPubKey, remotePubKey,
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func (f *Manager) newChanAnnouncement(localPubKey, remotePubKey,
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localFundingKey, remoteFundingKey *btcec.PublicKey,
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shortChanID lnwire.ShortChannelID, chanID lnwire.ChannelID,
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fwdMinHTLC, fwdMaxHTLC lnwire.MilliSatoshi) (*chanAnnouncement, error) {
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@ -2841,7 +2841,7 @@ func (f *fundingManager) newChanAnnouncement(localPubKey, remotePubKey,
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// the network during its next trickle.
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// This method is synchronous and will return when all the network requests
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// finish, either successfully or with an error.
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func (f *fundingManager) announceChannel(localIDKey, remoteIDKey, localFundingKey,
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func (f *Manager) announceChannel(localIDKey, remoteIDKey, localFundingKey,
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remoteFundingKey *btcec.PublicKey, shortChanID lnwire.ShortChannelID,
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chanID lnwire.ChannelID) error {
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@ -2919,7 +2919,7 @@ func (f *fundingManager) announceChannel(localIDKey, remoteIDKey, localFundingKe
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// initFundingWorkflow sends a message to the funding manager instructing it
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// to initiate a single funder workflow with the source peer.
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// TODO(roasbeef): re-visit blocking nature..
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func (f *fundingManager) initFundingWorkflow(peer lnpeer.Peer, req *openChanReq) {
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func (f *Manager) initFundingWorkflow(peer lnpeer.Peer, req *openChanReq) {
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f.fundingRequests <- &initFundingMsg{
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peer: peer,
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openChanReq: req,
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@ -2973,7 +2973,7 @@ func getUpfrontShutdownScript(enableUpfrontShutdown bool, peer lnpeer.Peer,
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// handleInitFundingMsg creates a channel reservation within the daemon's
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// wallet, then sends a funding request to the remote peer kicking off the
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// funding workflow.
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func (f *fundingManager) handleInitFundingMsg(msg *initFundingMsg) {
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func (f *Manager) handleInitFundingMsg(msg *initFundingMsg) {
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var (
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peerKey = msg.peer.IdentityKey()
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localAmt = msg.localFundingAmt
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@ -3217,7 +3217,7 @@ func (f *fundingManager) handleInitFundingMsg(msg *initFundingMsg) {
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// handleErrorMsg processes the error which was received from remote peer,
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// depending on the type of error we should do different clean up steps and
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// inform the user about it.
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func (f *fundingManager) handleErrorMsg(peer lnpeer.Peer,
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func (f *Manager) handleErrorMsg(peer lnpeer.Peer,
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msg *lnwire.Error) {
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chanID := msg.ChanID
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@ -3254,7 +3254,7 @@ func (f *fundingManager) handleErrorMsg(peer lnpeer.Peer,
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// pruneZombieReservations loops through all pending reservations and fails the
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// funding flow for any reservations that have not been updated since the
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// ReservationTimeout and are not locked waiting for the funding transaction.
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func (f *fundingManager) pruneZombieReservations() {
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func (f *Manager) pruneZombieReservations() {
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zombieReservations := make(pendingChannels)
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f.resMtx.RLock()
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@ -3289,7 +3289,7 @@ func (f *fundingManager) pruneZombieReservations() {
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// cancelReservationCtx does all needed work in order to securely cancel the
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// reservation.
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func (f *fundingManager) cancelReservationCtx(peerKey *btcec.PublicKey,
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func (f *Manager) cancelReservationCtx(peerKey *btcec.PublicKey,
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pendingChanID [32]byte, byRemote bool) (*reservationWithCtx, error) {
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fndgLog.Infof("Cancelling funding reservation for node_key=%x, "+
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@ -3337,7 +3337,7 @@ func (f *fundingManager) cancelReservationCtx(peerKey *btcec.PublicKey,
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// deleteReservationCtx deletes the reservation uniquely identified by the
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// target public key of the peer, and the specified pending channel ID.
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func (f *fundingManager) deleteReservationCtx(peerKey *btcec.PublicKey,
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func (f *Manager) deleteReservationCtx(peerKey *btcec.PublicKey,
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pendingChanID [32]byte) {
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// TODO(roasbeef): possibly cancel funding barrier in peer's
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@ -3362,7 +3362,7 @@ func (f *fundingManager) deleteReservationCtx(peerKey *btcec.PublicKey,
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// getReservationCtx returns the reservation context for a particular pending
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// channel ID for a target peer.
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func (f *fundingManager) getReservationCtx(peerKey *btcec.PublicKey,
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func (f *Manager) getReservationCtx(peerKey *btcec.PublicKey,
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pendingChanID [32]byte) (*reservationWithCtx, error) {
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peerIDKey := newSerializedKey(peerKey)
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@ -3383,7 +3383,7 @@ func (f *fundingManager) getReservationCtx(peerKey *btcec.PublicKey,
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// of being funded. After the funding transaction has been confirmed, the
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// channel will receive a new, permanent channel ID, and will no longer be
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// considered pending.
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func (f *fundingManager) IsPendingChannel(pendingChanID [32]byte,
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func (f *Manager) IsPendingChannel(pendingChanID [32]byte,
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peer lnpeer.Peer) bool {
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peerIDKey := newSerializedKey(peer.IdentityKey())
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@ -3404,7 +3404,7 @@ func copyPubKey(pub *btcec.PublicKey) *btcec.PublicKey {
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// saveChannelOpeningState saves the channelOpeningState for the provided
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// chanPoint to the channelOpeningStateBucket.
|
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func (f *fundingManager) saveChannelOpeningState(chanPoint *wire.OutPoint,
|
||||
func (f *Manager) saveChannelOpeningState(chanPoint *wire.OutPoint,
|
||||
state channelOpeningState, shortChanID *lnwire.ShortChannelID) error {
|
||||
return kvdb.Update(f.cfg.Wallet.Cfg.Database, func(tx kvdb.RwTx) error {
|
||||
|
||||
|
|
@ -3431,7 +3431,7 @@ func (f *fundingManager) saveChannelOpeningState(chanPoint *wire.OutPoint,
|
|||
// getChannelOpeningState fetches the channelOpeningState for the provided
|
||||
// chanPoint from the database, or returns ErrChannelNotFound if the channel
|
||||
// is not found.
|
||||
func (f *fundingManager) getChannelOpeningState(chanPoint *wire.OutPoint) (
|
||||
func (f *Manager) getChannelOpeningState(chanPoint *wire.OutPoint) (
|
||||
channelOpeningState, *lnwire.ShortChannelID, error) {
|
||||
|
||||
var state channelOpeningState
|
||||
|
|
@ -3467,7 +3467,7 @@ func (f *fundingManager) getChannelOpeningState(chanPoint *wire.OutPoint) (
|
|||
}
|
||||
|
||||
// deleteChannelOpeningState removes any state for chanPoint from the database.
|
||||
func (f *fundingManager) deleteChannelOpeningState(chanPoint *wire.OutPoint) error {
|
||||
func (f *Manager) deleteChannelOpeningState(chanPoint *wire.OutPoint) error {
|
||||
return kvdb.Update(f.cfg.Wallet.Cfg.Database, func(tx kvdb.RwTx) error {
|
||||
bucket := tx.ReadWriteBucket(channelOpeningStateBucket)
|
||||
if bucket == nil {
|
||||
|
|
|
|||
|
|
@ -185,7 +185,7 @@ type testNode struct {
|
|||
msgChan chan lnwire.Message
|
||||
announceChan chan lnwire.Message
|
||||
publTxChan chan *wire.MsgTx
|
||||
fundingMgr *fundingManager
|
||||
fundingMgr *Manager
|
||||
newChannels chan *newChannelMsg
|
||||
mockNotifier *mockNotifier
|
||||
mockChanEvent *mockChanEvent
|
||||
|
|
@ -447,7 +447,7 @@ func createTestFundingManager(t *testing.T, privKey *btcec.PrivateKey,
|
|||
op(&fundingCfg)
|
||||
}
|
||||
|
||||
f, err := newFundingManager(fundingCfg)
|
||||
f, err := NewFundingManager(fundingCfg)
|
||||
if err != nil {
|
||||
t.Fatalf("failed creating fundingManager: %v", err)
|
||||
}
|
||||
|
|
@ -494,7 +494,7 @@ func recreateAliceFundingManager(t *testing.T, alice *testNode) {
|
|||
|
||||
chainedAcceptor := chanacceptor.NewChainedAcceptor()
|
||||
|
||||
f, err := newFundingManager(fundingConfig{
|
||||
f, err := NewFundingManager(fundingConfig{
|
||||
IDKey: oldCfg.IDKey,
|
||||
Wallet: oldCfg.Wallet,
|
||||
Notifier: oldCfg.Notifier,
|
||||
|
|
|
|||
|
|
@ -219,7 +219,7 @@ type server struct {
|
|||
|
||||
cc *chainreg.ChainControl
|
||||
|
||||
fundingMgr *fundingManager
|
||||
fundingMgr *Manager
|
||||
|
||||
localChanDB *channeldb.DB
|
||||
|
||||
|
|
@ -1002,7 +1002,7 @@ func newServer(cfg *Config, listenAddrs []net.Addr,
|
|||
return nil, err
|
||||
}
|
||||
|
||||
s.fundingMgr, err = newFundingManager(fundingConfig{
|
||||
s.fundingMgr, err = NewFundingManager(fundingConfig{
|
||||
NoWumboChans: !cfg.ProtocolOptions.Wumbo(),
|
||||
IDKey: nodeKeyECDH.PubKey(),
|
||||
Wallet: cc.Wallet,
|
||||
|
|
|
|||
Loading…
Reference in New Issue
Block a user