status-go/services/subscriptions/api.go

54 lines
1.1 KiB
Go

package subscriptions
import (
"fmt"
"time"
"github.com/status-im/status-go/node"
)
type API struct {
node *node.StatusNode
activeSubscriptions *Subscriptions
}
func NewPublicAPI(node *node.StatusNode) *API {
return &API{
node: node,
activeSubscriptions: NewSubscriptions(100 * time.Millisecond),
}
}
func (api *API) SubscribeSignal(method string, args []interface{}) (SubscriptionID, error) {
var (
filter filter
err error
namespace = method[:3]
)
rpc := api.node.RPCPrivateClient()
switch namespace {
case "shh":
filter, err = installShhFilter(rpc, method, args)
case "eth":
filter, err = installEthFilter(rpc, method, args)
default:
err = fmt.Errorf("unexpected namespace: %s", namespace)
}
if err != nil {
return SubscriptionID(""), fmt.Errorf("[SubscribeSignal] could not subscribe, failed to call %s: %v", method, err)
}
return api.activeSubscriptions.Create(namespace, filter)
}
func (api *API) UnsubscribeSignal(id string) error {
return api.activeSubscriptions.Remove(SubscriptionID(id))
}
func (api *API) shutdown() error {
return api.activeSubscriptions.removeAll()
}