实名认证对接--ok

backend/internal/modules/realname/unavailable_provider.go

@@ -0,0 +1,25 @@
+package realname
+
+import "context"
+
+type UnavailableProvider struct {
+	err error
+}
+
+func NewUnavailableProvider(err error) *UnavailableProvider {
+	return &UnavailableProvider{err: err}
+}
+
+func (p *UnavailableProvider) Name() string {
+	return "unavailable"
+}
+
+func (p *UnavailableProvider) Start(ctx context.Context, req StartRequest) (ProviderResult, error) {
+	if err := ctx.Err(); err != nil {
+		return ProviderResult{}, err
+	}
+	if p.err != nil {
+		return ProviderResult{}, p.err
+	}
+	return ProviderResult{}, ErrProviderConfigInvalid
+}