trivial: Fix spelling errors

- Fixes some spelling in code comments and a couple of function names

routing/pathfind.go

@@ -355,7 +355,7 @@ type RestrictParams struct {
 }
 
 // PathFindingConfig defines global parameters that control the trade-off in
-// path finding between fees and probabiity.
+// path finding between fees and probability.
 type PathFindingConfig struct {
 	// AttemptCost is the fixed virtual cost in path finding of a failed
 	// payment attempt. It is used to trade off potentially better routes
@@ -1035,7 +1035,7 @@ func getProbabilityBasedDist(weight int64, probability float64,
 
 	// Avoid cast if an overflow would occur. The maxFloat constant is
 	// chosen to stay well below the maximum float64 value that is still
-	// convertable to int64.
+	// convertible to int64.
 	const maxFloat = 9000000000000000000
 	if dist > maxFloat {
 		return infinity

routing/pathfind_test.go

@@ -519,7 +519,7 @@ func (g *testGraphInstance) getLink(chanID lnwire.ShortChannelID) (
 
 // createTestGraphFromChannels returns a fully populated ChannelGraph based on a set of
 // test channels. Additional required information like keys are derived in
-// a deterministical way and added to the channel graph. A list of nodes is
+// a deterministic way and added to the channel graph. A list of nodes is
 // not required and derived from the channel data. The goal is to keep
 // instantiating a test channel graph as light weight as possible.
 func createTestGraphFromChannels(t *testing.T, useCache bool,

routing/payment_lifecycle.go

@@ -31,7 +31,7 @@ type paymentLifecycle struct {
 	currentHeight int32
 }
 
-// payemntState holds a number of key insights learned from a given MPPayment
+// paymentState holds a number of key insights learned from a given MPPayment
 // that we use to determine what to do on each payment loop iteration.
 type paymentState struct {
 	numShardsInFlight int

routing/payment_session.go

@@ -175,7 +175,7 @@ type paymentSession struct {
 	getRoutingGraph func() (routingGraph, func(), error)
 
 	// pathFindingConfig defines global parameters that control the
-	// trade-off in path finding between fees and probabiity.
+	// trade-off in path finding between fees and probability.
 	pathFindingConfig PathFindingConfig
 
 	missionControl MissionController

routing/payment_session_source.go

@@ -39,7 +39,7 @@ type SessionSource struct {
 	MissionControl MissionController
 
 	// PathFindingConfig defines global parameters that control the
-	// trade-off in path finding between fees and probabiity.
+	// trade-off in path finding between fees and probability.
 	PathFindingConfig PathFindingConfig
 }
 

routing/probability_apriori.go

@@ -32,7 +32,7 @@ const (
 
 	// minCapacityFactor is the minimal value the capacityFactor can take.
 	// Having a too low value can lead to discarding of paths due to the
-	// enforced minimal proability or to too high pathfinding weights.
+	// enforced minimal probability or to too high pathfinding weights.
 	minCapacityFactor = 0.5
 
 	// minCapacityFraction is the minimum allowed value for

routing/probability_apriori_test.go

@@ -18,7 +18,7 @@ const (
 
 	// untriedNode is a node id for which we don't record any results in
 	// this test. This can be used to assert the probability for untried
-	// ndoes.
+	// nodes.
 	untriedNode = 255
 
 	// Define test estimator parameters.

routing/route/route.go

@@ -400,7 +400,7 @@ func NewRouteFromHops(amtToSend lnwire.MilliSatoshi, timeLock uint32,
 }
 
 // ToSphinxPath converts a complete route into a sphinx PaymentPath that
-// contains the per-hop paylods used to encoding the HTLC routing data for each
+// contains the per-hop payloads used to encoding the HTLC routing data for each
 // hop in the route. This method also accepts an optional EOB payload for the
 // final hop.
 func (r *Route) ToSphinxPath() (*sphinx.PaymentPath, error) {

routing/router.go

@@ -68,7 +68,7 @@ const (
 	//
 	// NOTE: For payment requests, BOLT 11 stipulates that a final CLTV
 	// delta of 9 should be used when no value is decoded. This however
-	// leads to inflexiblity in upgrading this default parameter, since it
+	// leads to inflexibility in upgrading this default parameter, since it
 	// can create inconsistencies around the assumed value between sender
 	// and receiver. Specifically, if the receiver assumes a higher value
 	// than the sender, the receiver will always see the received HTLCs as