move channel stuffs from internal/redis to transport.

internal/redis/namespace.go

@@ -1,45 +0,0 @@
-package redis
-
-import (
-	"strings"
-)
-
-const (
-	// Default prefix to use when none is set.
-	defaultPrefix = "ship"
-
-	// We need to have some chain_id, so if no one is specified.
-	// we use a "null" id that is all zeros.
-	nullChain = "0000000000000000000000000000000000000000000000000000000000000000"
-)
-
-// Namespace type.
-//
-// Contains a prefix and chain_id to guard keys against collision.
-// Prefix should be sufficient to not collide with other application using the same redis database.
-// chain_id should be ok to not let multiple reader with different chains to write to the same channels.
-
-type Namespace struct {
-	Prefix  string
-	ChainID string
-}
-
-// Create a new key with this namespace.
-func (ns Namespace) NewKey(ch ChannelInterface) Key {
-	return Key{NS: ns, Channel: ch}
-}
-
-func (ns Namespace) String() string {
-	// No Chain id, set to "nullChain"
-	if len(ns.ChainID) < 1 {
-		ns.ChainID = nullChain
-	}
-
-	// Set default prefix if empty.
-	if len(ns.Prefix) < 1 {
-		ns.Prefix = defaultPrefix
-	}
-
-	// Otherwise. return both.
-	return strings.Join([]string{ns.Prefix, ns.ChainID}, "::")
-}