lotus/cmd/lotus-shed/frozen-miners.go

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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 frozenMinersCmd = &cli.Command{
Name: "frozen-miners",
Description: "information about 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
},
}