Add CLI command to calculate pledge collateral of a CC sector

cmd/lotus-storage-miner/sectors.go

@@ -2,6 +2,7 @@ package main
 
 import (
 	"fmt"
+	"github.com/filecoin-project/specs-actors/actors/builtin/miner"
 	"os"
 	"sort"
 	"strconv"
@@ -31,6 +32,7 @@ var sectorsCmd = &cli.Command{
 		sectorsMarkForUpgradeCmd,
 		sectorsStartSealCmd,
 		sectorsSealDelayCmd,
+		sectorsCapacityCollateralCmd,
 	},
 }
 
@@ -321,6 +323,53 @@ var sectorsSealDelayCmd = &cli.Command{
 	},
 }
 
+var sectorsCapacityCollateralCmd = &cli.Command{
+	Name:  "get-cc-collateral",
+	Usage: "Get the collateral required to pledge a committed capacity sector",
+	Flags: []cli.Flag{
+		&cli.Uint64Flag{
+			Name:  "expiration",
+			Usage: "the epoch when the sector will expire",
+		},
+	},
+	Action: func(cctx *cli.Context) error {
+
+		mApi, mCloser, err := lcli.GetStorageMinerAPI(cctx)
+		if err != nil {
+			return err
+		}
+		defer mCloser()
+
+		nApi, nCloser, err := lcli.GetFullNodeAPI(cctx)
+		if err != nil {
+			return err
+		}
+		defer nCloser()
+
+		ctx := lcli.ReqContext(cctx)
+
+		maddr, err := mApi.ActorAddress(ctx)
+		if err != nil {
+			return err
+		}
+
+		pci := miner.SectorPreCommitInfo{
+			Expiration: abi.ChainEpoch(cctx.Uint64("expiration")),
+		}
+		if pci.Expiration == 0 {
+			pci.Expiration = miner.MaxSectorExpirationExtension
+		}
+		pc, err := nApi.StateMinerInitialPledgeCollateral(ctx, maddr, pci, types.EmptyTSK)
+		if err != nil {
+			return err
+		}
+
+		fmt.Printf("Estimated collateral: %s\n", types.FIL(pc))
+
+		return nil
+	},
+}
+
 var sectorsUpdateCmd = &cli.Command{
 	Name:  "update-state",
 	Usage: "ADVANCED: manually update the state of a sector, this may aid in error recovery",

node/impl/full/state.go

@@ -952,8 +952,12 @@ func (a *StateAPI) StateMinerInitialPledgeCollateral(ctx context.Context, maddr
 		return types.EmptyInt, err
 	}
 
-	var dealWeights market.VerifyDealsForActivationReturn
+	dealWeights := market.VerifyDealsForActivationReturn{
-	{
+		DealWeight:         big.Zero(),
+		VerifiedDealWeight: big.Zero(),
+	}
+
+	if len(pci.DealIDs) != 0 {
 		var err error
 		params, err := actors.SerializeParams(&market.VerifyDealsForActivationParams{
 			DealIDs:      pci.DealIDs,
@@ -980,11 +984,13 @@ func (a *StateAPI) StateMinerInitialPledgeCollateral(ctx context.Context, maddr
 		}
 	}
 
-	ssize, err := pci.SealProof.SectorSize()
+	mi, err := a.StateMinerInfo(ctx, maddr, tsk)
 	if err != nil {
 		return types.EmptyInt, err
 	}
 
+	ssize := mi.SectorSize
+
 	duration := pci.Expiration - ts.Height() // NB: not exactly accurate, but should always lead us to *over* estimate, not under
 
 	circSupply, err := a.StateManager.CirculatingSupply(ctx, ts)