Add Session API

api/api_common.go

@@ -4,6 +4,8 @@ import (
 	"context"
 	"fmt"
 
+	"github.com/google/uuid"
+
 	"github.com/filecoin-project/go-jsonrpc/auth"
 	metrics "github.com/libp2p/go-libp2p-core/metrics"
 	"github.com/libp2p/go-libp2p-core/network"
@@ -58,6 +60,9 @@ type Common interface {
 	// trigger graceful shutdown
 	Shutdown(context.Context) error
 
+	// Session returns a random UUID of api provider session
+	Session(context.Context) (uuid.UUID, error)
+
 	Closing(context.Context) (<-chan struct{}, error)
 }