channeldb: remove address resolution from channeldb

channeldb/channel.go

@@ -65,12 +65,6 @@ var (
 	// channel closure. This key should be accessed from within the
 	// sub-bucket of a target channel, identified by its channel point.
 	revocationLogBucket = []byte("revocation-log-key")
-
-	// resolveTCP is a resolver that is used to resolve nodes'
-	// publicly advertised addresses. It is set to net.ResolveTCPAddr
-	// initially, but the SetResolver function can be used to change this
-	// to a Tor-specific resolver.
-	resolveTCP = net.ResolveTCPAddr
 )
 
 var (
@@ -395,12 +389,6 @@ type OpenChannel struct {
 	sync.RWMutex
 }
 
-// SetResolver sets resolveTCP to a resolver other than the default
-// net.ResolveTCPAddr resolver function.
-func SetResolver(resolver func(string, string) (*net.TCPAddr, error)) {
-	resolveTCP = resolver
-}
-
 // FullSync serializes, and writes to disk the *full* channel state, using
 // both the active channel bucket to store the prefixed column fields, and the
 // remote node's ID to store the remainder of the channel state.