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feat(lotus-sim): more stats

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This commit is contained in:
Steven Allen 2021-06-08 11:23:51 -07:00
parent 5f6733fe44
commit ccdd660f0d
1 changed files with 57 additions and 4 deletions
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61
cmd/lotus-sim/stat.go
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@ -1,12 +1,31 @@
package main
import (
"context"
"fmt"
"text/tabwriter"
"time"
"github.com/urfave/cli/v2"
"github.com/filecoin-project/go-state-types/big"
"github.com/filecoin-project/lotus/chain/actors/builtin/power"
"github.com/filecoin-project/lotus/chain/stmgr"
"github.com/filecoin-project/lotus/chain/types"
)
func getTotalPower(ctx context.Context, sm *stmgr.StateManager, ts *types.TipSet) (power.Claim, error) {
actor, err := sm.LoadActor(ctx, power.Address, ts)
if err != nil {
return power.Claim{}, err
}
state, err := power.Load(sm.ChainStore().ActorStore(ctx), actor)
if err != nil {
return power.Claim{}, err
}
return state.TotalPower()
}
var infoSimCommand = &cli.Command{
Name: "info",
Description: "Output information about the simulation.",
@ -21,11 +40,45 @@ var infoSimCommand = &cli.Command{
if err != nil {
return err
}
powerNow, err := getTotalPower(cctx.Context, sim.StateManager, sim.GetHead())
if err != nil {
return err
}
powerStart, err := getTotalPower(cctx.Context, sim.StateManager, sim.GetStart())
if err != nil {
return err
}
powerGrowth := big.Sub(powerNow.RawBytePower, powerStart.RawBytePower)
tw := tabwriter.NewWriter(cctx.App.Writer, 8, 8, 0, ' ', 0)
fmt.Fprintln(tw, "Name:\t", sim.Name())
fmt.Fprintln(tw, "Height:\t", sim.GetHead().Height())
fmt.Fprintln(tw, "TipSet:\t", sim.GetHead())
fmt.Fprintln(tw, "Network Version:\t", sim.GetNetworkVersion())
head := sim.GetHead()
start := sim.GetStart()
headEpoch := head.Height()
firstEpoch := start.Height() + 1
headTime := time.Unix(int64(head.MinTimestamp()), 0)
startTime := time.Unix(int64(start.MinTimestamp()), 0)
duration := headTime.Sub(startTime)
// growth rate in size/day
growthRate := big.Div(
big.Mul(powerGrowth, big.NewInt(int64(24*time.Hour))),
big.NewInt(int64(duration)),
)
fmt.Fprintf(tw, "Name:\t%s\n", sim.Name())
fmt.Fprintf(tw, "Head:\t%s\n", head)
fmt.Fprintf(tw, "Last Epoch:\t%d\n", headEpoch)
fmt.Fprintf(tw, "First Epoch:\t%d\n", firstEpoch)
fmt.Fprintf(tw, "Length:\t%d\n", headEpoch-firstEpoch)
fmt.Fprintf(tw, "Date:\t%s\n", headTime)
fmt.Fprintf(tw, "Duration:\t%s\n", duration)
fmt.Fprintf(tw, "Power:\t%s\n", types.SizeStr(powerNow.RawBytePower))
fmt.Fprintf(tw, "Power Growth:\t%s\n", types.SizeStr(powerGrowth))
fmt.Fprintf(tw, "Power Growth Rate:\t%s/day\n", types.SizeStr(growthRate))
fmt.Fprintf(tw, "Network Version:\t%d\n", sim.GetNetworkVersion())
return tw.Flush()
},
}