routing: convert to use new kvdb abstraction

routing/router.go

@@ -11,12 +11,12 @@ import (
 	"github.com/btcsuite/btcd/btcec"
 	"github.com/btcsuite/btcd/wire"
 	"github.com/btcsuite/btcutil"
-	"github.com/coreos/bbolt"
 	"github.com/davecgh/go-spew/spew"
 	"github.com/go-errors/errors"
 
 	sphinx "github.com/lightningnetwork/lightning-onion"
 	"github.com/lightningnetwork/lnd/channeldb"
+	"github.com/lightningnetwork/lnd/channeldb/kvdb"
 	"github.com/lightningnetwork/lnd/clock"
 	"github.com/lightningnetwork/lnd/htlcswitch"
 	"github.com/lightningnetwork/lnd/input"
@@ -2111,7 +2111,7 @@ func (r *ChannelRouter) FetchLightningNode(node route.Vertex) (*channeldb.Lightn
 //
 // NOTE: This method is part of the ChannelGraphSource interface.
 func (r *ChannelRouter) ForEachNode(cb func(*channeldb.LightningNode) error) error {
-	return r.cfg.Graph.ForEachNode(nil, func(_ *bbolt.Tx, n *channeldb.LightningNode) error {
+	return r.cfg.Graph.ForEachNode(nil, func(_ kvdb.ReadTx, n *channeldb.LightningNode) error {
 		return cb(n)
 	})
 }
@@ -2123,7 +2123,7 @@ func (r *ChannelRouter) ForEachNode(cb func(*channeldb.LightningNode) error) err
 func (r *ChannelRouter) ForAllOutgoingChannels(cb func(*channeldb.ChannelEdgeInfo,
 	*channeldb.ChannelEdgePolicy) error) error {
 
-	return r.selfNode.ForEachChannel(nil, func(_ *bbolt.Tx, c *channeldb.ChannelEdgeInfo,
+	return r.selfNode.ForEachChannel(nil, func(_ kvdb.ReadTx, c *channeldb.ChannelEdgeInfo,
 		e, _ *channeldb.ChannelEdgePolicy) error {
 
 		if e == nil {
@@ -2264,7 +2264,7 @@ func generateBandwidthHints(sourceNode *channeldb.LightningNode,
 	// First, we'll collect the set of outbound edges from the target
 	// source node.
 	var localChans []*channeldb.ChannelEdgeInfo
-	err := sourceNode.ForEachChannel(nil, func(tx *bbolt.Tx,
+	err := sourceNode.ForEachChannel(nil, func(tx kvdb.ReadTx,
 		edgeInfo *channeldb.ChannelEdgeInfo,
 		_, _ *channeldb.ChannelEdgePolicy) error {