zpay32: move HopHint and DefaultFinalCLTVDelta

routing/pathfind.go

@@ -39,28 +39,6 @@ const (
 	RiskFactorBillionths = 15
 )
 
-// HopHint is a routing hint that contains the minimum information of a channel
-// required for an intermediate hop in a route to forward the payment to the
-// next. This should be ideally used for private channels, since they are not
-// publicly advertised to the network for routing.
-type HopHint struct {
-	// NodeID is the public key of the node at the start of the channel.
-	NodeID *btcec.PublicKey
-
-	// ChannelID is the unique identifier of the channel.
-	ChannelID uint64
-
-	// FeeBaseMSat is the base fee of the channel in millisatoshis.
-	FeeBaseMSat uint32
-
-	// FeeProportionalMillionths is the fee rate, in millionths of a
-	// satoshi, for every satoshi sent through the channel.
-	FeeProportionalMillionths uint32
-
-	// CLTVExpiryDelta is the time-lock delta of the channel.
-	CLTVExpiryDelta uint16
-}
-
 // Hop represents an intermediate or final node of the route. This naming
 // is in line with the definition given in BOLT #4: Onion Routing Protocol.
 // The struct houses the channel along which this hop can be reached and