instead of guessing the address, just use a config value

node/builder.go

@@ -16,7 +16,6 @@ import (
 	pubsub "github.com/libp2p/go-libp2p-pubsub"
 	record "github.com/libp2p/go-libp2p-record"
 	"github.com/multiformats/go-multiaddr"
-	manet "github.com/multiformats/go-multiaddr-net"
 	"go.uber.org/fx"
 	"golang.org/x/xerrors"
 
@@ -338,10 +337,7 @@ func ConfigCommon(cfg *config.Common) Option {
 			return lr.SetAPIEndpoint(e)
 		}),
 		Override(new(sectorstorage.URLs), func(e dtypes.APIEndpoint) (sectorstorage.URLs, error) {
-			_, ip, err := manet.DialArgs(e)
-			if err != nil {
-				return nil, xerrors.Errorf("getting api endpoint dial args: %w", err)
-			}
+			ip := cfg.API.RemoteListenAddress
 
 			var urls sectorstorage.URLs
 			urls = append(urls, "http://"+ip+"/remote") // TODO: This makes assumptions, and probably bad ones too

node/config/def.go

@@ -2,8 +2,9 @@ package config
 
 import (
 	"encoding"
-	"github.com/filecoin-project/sector-storage"
 	"time"
+
+	sectorstorage "github.com/filecoin-project/sector-storage"
 )
 
 // Common is common config between full node and miner
@@ -29,8 +30,9 @@ type StorageMiner struct {
 
 // API contains configs for API endpoint
 type API struct {
-	ListenAddress string
-	Timeout       Duration
+	ListenAddress       string
+	RemoteListenAddress string
+	Timeout             Duration
 }
 
 // Libp2p contains configs for libp2p
@@ -55,8 +57,9 @@ type Metrics struct {
 func defCommon() Common {
 	return Common{
 		API: API{
-			ListenAddress: "/ip4/127.0.0.1/tcp/1234/http",
-			Timeout:       Duration(30 * time.Second),
+			ListenAddress:       "/ip4/127.0.0.1/tcp/1234/http",
+			RemoteListenAddress: "127.0.0.1:1234",
+			Timeout:             Duration(30 * time.Second),
 		},
 		Libp2p: Libp2p{
 			ListenAddresses: []string{