add borked inspection command

hook up new command

Fix head call

Debug internal error

Debug moa

Debug 0

Fix 0

Fix 1

Better print

Don't ignore error

cmd/lotus-shed/borked-miners.go

@@ -0,0 +1,85 @@
+package main
+
+import (
+	"fmt"
+
+	"github.com/filecoin-project/go-state-types/abi"
+	lcli "github.com/filecoin-project/lotus/cli"
+	"github.com/filecoin-project/specs-actors/v2/actors/builtin/miner"
+	"github.com/urfave/cli/v2"
+	"golang.org/x/xerrors"
+)
+
+var borkedMinersCmd = &cli.Command{
+	Name:        "borked-miners",
+	Description: "information about 'borked' miner actors with late or frozen deadline crons",
+	Flags: []cli.Flag{
+		&cli.StringFlag{
+			Name:  "tipset",
+			Usage: "specify tipset state to search on (pass comma separated array of cids)",
+		},
+		&cli.BoolFlag{
+			Name:  "future",
+			Usage: "print info of miners with last deadline cron in the future (normal for v0 and early v2 actors)",
+		},
+	},
+	Action: func(c *cli.Context) error {
+		api, acloser, err := lcli.GetFullNodeAPI(c)
+		if err != nil {
+			return err
+		}
+		defer acloser()
+		ctx := lcli.ReqContext(c)
+
+		ts, err := lcli.LoadTipSet(ctx, c, api)
+		if err != nil {
+			return err
+		}
+		if ts == nil {
+			ts, err = api.ChainHead(ctx)
+			if err != nil {
+				return err
+			}
+		}
+
+		queryEpoch := ts.Height()
+
+		mAddrs, err := api.StateListMiners(ctx, ts.Key())
+		if err != nil {
+			return err
+		}
+
+		for _, mAddr := range mAddrs {
+			st, err := api.StateReadState(ctx, mAddr, ts.Key())
+			if err != nil {
+				return err
+			}
+			minerState, ok := st.State.(map[string]interface{})
+			if !ok {
+				return xerrors.Errorf("internal error: failed to cast miner state to expected map type")
+			}
+
+			ppsIface := minerState["ProvingPeriodStart"]
+			pps := int64(ppsIface.(float64))
+			dlIdxIface := minerState["CurrentDeadline"]
+			dlIdx := uint64(dlIdxIface.(float64))
+			latestDeadline := abi.ChainEpoch(pps) + abi.ChainEpoch(int64(dlIdx))*miner.WPoStChallengeWindow
+			nextDeadline := latestDeadline + miner.WPoStChallengeWindow
+
+			// Need +1 because last epoch of the deadline queryEpoch = x + 59 cron gets run and
+			// state is left with latestDeadline = x + 60
+			if c.Bool("future") && latestDeadline > queryEpoch+1 {
+				fmt.Printf("%s -- last deadline start in future epoch %d > query epoch %d + 1\n", mAddr, latestDeadline, queryEpoch)
+			}
+
+			// Equality is an error because last epoch of the deadline queryEpoch = x + 59.  Cron
+			// should get run and bump latestDeadline = x + 60 so nextDeadline = x + 120
+			if queryEpoch >= nextDeadline {
+				fmt.Printf("%s -- next deadline start in non-future epoch %d <= query epoch %d\n", mAddr, nextDeadline, queryEpoch)
+			}
+
+		}
+
+		return nil
+	},
+}

cmd/lotus-shed/main.go

@@ -19,6 +19,7 @@ func main() {
 		base32Cmd,
 		base16Cmd,
 		bitFieldCmd,
+		borkedMinersCmd,
 		keyinfoCmd,
 		jwtCmd,
 		noncefix,