Update project structure and build process

libwallet/init.go

@@ -0,0 +1,26 @@
+package libwallet
+
+import (
+	"runtime/debug"
+)
+
+// Listener is an interface implemented by the apps to receive notifications
+// of data changes from the libwallet code. Each change is reported with a
+// string tag identifying the type of change.
+type Listener interface {
+	OnDataChanged(tag string)
+}
+
+// Config defines the global libwallet configuration.
+type Config struct {
+	DataDir  string
+	Listener Listener
+}
+
+var cfg *Config
+
+// Init configures the libwallet
+func Init(c *Config) {
+	debug.SetTraceback("crash")
+	cfg = c
+}