Function calls
All status-react to status-go calls are centralized in StatusModule (Android) or RCTStatus (iOS).
General structure of methods is:
- caller provides a callback
- check for availability of current Activity
- if available: call a static method on
StatusGo via an ExecutorService (or sometimes a Thread) and use its result as callback payload
- else: invoke callback with
false as payload
From RN perspective calls do not block, result is provided through callback execution.
StatusGo is a C library generated from Go side embedded in Status apps. On Android it is packaged as a JNI aar (generated using xgo).
StatusGo directly exposes status-go methods marked for exportation.
Those methods are defined in lib/library.go and marked as export.
go side calls are then dispatched to api/backend.go.
Data is provided to the Go layer as primitive types and retrieved RN side as JSON.
Events
status-go can directly send events that will be received RN side. It achieves that by directly calling signal-event using some JNI glue.
StatusModule is also used as a react context listener that emits events to the RN layer.
status-react listens to those events via gethEvent then dispatched by a re-frame handler.