feat: worker: lotus-worker run --no-default

cmd/lotus-worker/main.go

@@ -182,12 +182,16 @@ var runCmd = &cli.Command{
 			Usage: "enable window post",
 			Value: false,
 		},
-
 		&cli.BoolFlag{
 			Name:  "winningpost",
 			Usage: "enable winning post",
 			Value: false,
 		},
+		&cli.BoolFlag{
+			Name:  "no-default",
+			Usage: "disable all default tasks, use the worker for storage only",
+			Value: false,
+		},
 		&cli.IntFlag{
 			Name:  "parallel-fetch-limit",
 			Usage: "maximum fetch operations to run in parallel",
@@ -308,8 +312,11 @@ var runCmd = &cli.Command{
 		}
 
 		if workerType == "" {
-			workerType = sealtasks.WorkerSealing
 			taskTypes = append(taskTypes, sealtasks.TTFetch, sealtasks.TTCommit1, sealtasks.TTProveReplicaUpdate1, sealtasks.TTFinalize, sealtasks.TTFinalizeReplicaUpdate)
+
+			if !cctx.Bool("no-default") {
+				workerType = sealtasks.WorkerSealing
+			}
 		}
 
 		if (workerType == sealtasks.WorkerSealing || cctx.IsSet("addpiece")) && cctx.Bool("addpiece") {
@@ -337,6 +344,10 @@ var runCmd = &cli.Command{
 			taskTypes = append(taskTypes, sealtasks.TTRegenSectorKey)
 		}
 
+		if cctx.Bool("no-default") && workerType == "" {
+			workerType = sealtasks.WorkerSealing
+		}
+
 		if len(taskTypes) == 0 {
 			return xerrors.Errorf("no task types specified")
 		}

documentation/en/cli-lotus-worker.md

@@ -49,6 +49,7 @@ OPTIONS:
    --regen-sector-key            enable regen sector key (default: true)
    --windowpost                  enable window post (default: false)
    --winningpost                 enable winning post (default: false)
+   --no-default                  disable all default tasks, use the worker for storage only (default: false)
    --parallel-fetch-limit value  maximum fetch operations to run in parallel (default: 5)
    --post-parallel-reads value   maximum number of parallel challenge reads (0 = no limit) (default: 128)
    --post-read-timeout value     time limit for reading PoSt challenges (0 = no limit) (default: 0s)