lotus-miner: add config for disabling winning post

node/builder_miner.go

@@ -121,8 +121,12 @@ func ConfigStorageMiner(c interface{}) Option {
 
 			// Mining / proving
 			Override(new(*slashfilter.SlashFilter), modules.NewSlashFilter),
+
+			If(!cfg.Subsystems.DisableWinningPoSt,
 				Override(new(*miner.Miner), modules.SetupBlockProducer),
 				Override(new(gen.WinningPoStProver), storage.NewWinningPoStProver),
+			),
+
 			Override(PreflightChecksKey, modules.PreflightChecks),
 			Override(new(*sealing.Sealing), modules.SealingPipeline(cfg.Fees)),
 

node/config/types.go

@@ -162,6 +162,13 @@ type MinerSubsystemConfig struct {
 	//   to window post, including scheduling, submitting proofs, and recovering
 	//   sectors.
 	DisableWindowPoSt bool
+
+	// When winning post is disabled, the miner process will NOT attempt to mine
+	// blocks. This should only be set when there's an external process mining
+	// blocks on behalf of the miner.
+	// When disabled and no external block producers are configured, all potential
+	// block rewards will be missed!
+	DisableWinningPoSt bool
 }
 
 type DealmakingConfig struct {