ensure netclient version is compatible

logic/version.go

@@ -0,0 +1,31 @@
+package logic
+
+import (
+	"strings"
+	"unicode"
+
+	"github.com/hashicorp/go-version"
+)
+
+const MinVersion = "v0.17.0"
+
+// IsVersionCompatible checks that the version passed is compabtible (>=) with MinVersion
+func IsVersionComptatible(ver string) bool {
+	// during dev, assume developers know what they are doing
+	if ver == "dev" {
+		return true
+	}
+	trimmed := strings.TrimFunc(ver, func(r rune) bool {
+		return !unicode.IsNumber(r)
+	})
+	v, err := version.NewVersion(trimmed)
+	if err != nil {
+		return false
+	}
+	constraint, err := version.NewConstraint(">= " + MinVersion)
+	if err != nil {
+		return false
+	}
+	return constraint.Check(v)
+
+}