[#496] cmd/node: Add morph section to config

Signed-off-by: Alex Vanin <alexey@nspcc.ru>

cmd/neofs-node/config/morph/config.go

@@ -0,0 +1,54 @@
+package morphconfig
+
+import (
+	"fmt"
+	"time"
+
+	"github.com/nspcc-dev/neofs-node/cmd/neofs-node/config"
+)
+
+const (
+	subsection = "morph"
+
+	// DialTimeoutDefault is a default dial timeout of morph chain client connection.
+	DialTimeoutDefault = 5 * time.Second
+)
+
+// RPCEndpoint returns list of values of "rpc_endpoint" config parameter
+// from "morph" section.
+//
+// Throws panic if list is empty.
+func RPCEndpoint(c *config.Config) []string {
+	v := config.StringSliceSafe(c.Sub(subsection), "rpc_endpoint")
+	if len(v) == 0 {
+		panic(fmt.Errorf("no morph chain RPC endpoints, see `morph.rpc_endpoint` section"))
+	}
+
+	return v
+}
+
+// NotificationEndpoint returns list of values of "notification_endpoint" config
+// parameter from "morph" section.
+//
+// Throws panic if list is empty.
+func NotificationEndpoint(c *config.Config) []string {
+	v := config.StringSliceSafe(c.Sub(subsection), "notification_endpoint")
+	if len(v) == 0 {
+		panic(fmt.Errorf("no morph chain notification endpoints, see `morph.notification_endpoint` section"))
+	}
+
+	return v
+}
+
+// DialTimeout returns value of "dial_timeout" config parameter
+// from "morph" section.
+//
+// Returns DialTimeoutDefault if value is not positive duration.
+func DialTimeout(c *config.Config) time.Duration {
+	v := config.DurationSafe(c.Sub(subsection), "dial_timeout")
+	if v != 0 {
+		return v
+	}
+
+	return DialTimeoutDefault
+}

cmd/neofs-node/config/morph/config_test.go

@@ -0,0 +1,47 @@
+package morphconfig_test
+
+import (
+	"testing"
+	"time"
+
+	"github.com/nspcc-dev/neofs-node/cmd/neofs-node/config"
+	morphconfig "github.com/nspcc-dev/neofs-node/cmd/neofs-node/config/morph"
+	configtest "github.com/nspcc-dev/neofs-node/cmd/neofs-node/config/test"
+	"github.com/stretchr/testify/require"
+)
+
+func TestMorphSection(t *testing.T) {
+	t.Run("defaults", func(t *testing.T) {
+		empty := configtest.EmptyConfig()
+
+		require.Panics(t, func() { morphconfig.RPCEndpoint(empty) })
+		require.Panics(t, func() { morphconfig.NotificationEndpoint(empty) })
+		require.Equal(t, morphconfig.DialTimeoutDefault, morphconfig.DialTimeout(empty))
+	})
+
+	const path = "../../../../config/example/node"
+
+	var (
+		rpcs = []string{
+			"https://rpc1.morph.fs.neo.org:40341",
+			"https://rpc2.morph.fs.neo.org:40341",
+		}
+
+		wss = []string{
+			"wss://rpc1.morph.fs.neo.org:40341/ws",
+			"wss://rpc2.morph.fs.neo.org:40341/ws",
+		}
+	)
+
+	var fileConfigTest = func(c *config.Config) {
+		require.Equal(t, rpcs, morphconfig.RPCEndpoint(c))
+		require.Equal(t, wss, morphconfig.NotificationEndpoint(c))
+		require.Equal(t, 30*time.Second, morphconfig.DialTimeout(c))
+	}
+
+	configtest.ForEachFileType(path, fileConfigTest)
+
+	t.Run("ENV", func(t *testing.T) {
+		configtest.ForEnvFileType(path, fileConfigTest)
+	})
+}