Add Inner Ring code

pkg/core/netmap/node/options_test.go

@@ -0,0 +1,24 @@
+package node
+
+import (
+	"testing"
+
+	"github.com/nspcc-dev/neofs-api-go/object"
+	"github.com/stretchr/testify/require"
+)
+
+func TestInfo_Price(t *testing.T) {
+	var info Info
+
+	// too small value
+	info.opts = []string{"/Price:0.01048575"}
+	require.Equal(t, uint64(0), info.Price())
+
+	// min value
+	info.opts = []string{"/Price:0.01048576"}
+	require.Equal(t, uint64(1), info.Price())
+
+	// big value
+	info.opts = []string{"/Price:1000000000.666"}
+	require.Equal(t, uint64(1000000000.666*1e8/object.UnitsMB), info.Price())
+}