add network for bypass

chain/chain.go

@@ -4,6 +4,18 @@ import (
 	"context"
 )
 
-type Chainer interface {
-	Route(ctx context.Context, network, address string) Route
+type RouteOptions struct {
+	Host string
+}
+
+type RouteOption func(opts *RouteOptions)
+
+func WithHostRouteOption(host string) RouteOption {
+	return func(opts *RouteOptions) {
+		opts.Host = host
+	}
+}
+
+type Chainer interface {
+	Route(ctx context.Context, network, address string, opts ...RouteOption) Route
 }