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stateroot-stats.go
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/
stateroot-stats.go
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package main
import (
"fmt"
"github.com/urfave/cli/v2"
"github.com/ipfs/go-cid"
"github.com/filecoin-project/lotus/chain/types"
lcli "github.com/filecoin-project/lotus/cli"
)
var staterootStatsCmd = &cli.Command{
Name: "stateroot-stats",
Description: "Walk down the chain and collect stats-obj changes between tipsets",
Flags: []cli.Flag{
&cli.StringFlag{
Name: "tipset",
Usage: "specify tipset to start from",
},
&cli.IntFlag{
Name: "count",
Usage: "number of tipsets to count back",
Value: 30,
},
&cli.BoolFlag{
Name: "diff",
Usage: "compare tipset with previous",
Value: false,
},
},
Action: func(cctx *cli.Context) error {
api, closer, err := lcli.GetFullNodeAPI(cctx)
if err != nil {
return err
}
defer closer()
ctx := lcli.ReqContext(cctx)
ts, err := lcli.LoadTipSet(ctx, cctx, api)
if err != nil {
return err
}
if ts == nil {
ts, err = api.ChainHead(ctx)
if err != nil {
return err
}
}
fn := func(ts *types.TipSet) (cid.Cid, []cid.Cid) {
blk := ts.Blocks()[0]
strt := blk.ParentStateRoot
cids := blk.Parents
return strt, cids
}
count := cctx.Int("count")
diff := cctx.Bool("diff")
fmt.Printf("Height\tSize\tLinks\tObj\tBase\n")
for i := 0; i < count; i++ {
if ts.Height() == 0 {
return nil
}
strt, cids := fn(ts)
k := types.NewTipSetKey(cids...)
ts, err = api.ChainGetTipSet(ctx, k)
if err != nil {
return err
}
pstrt, _ := fn(ts)
if !diff {
pstrt = cid.Undef
}
stats, err := api.ChainStatObj(ctx, strt, pstrt)
if err != nil {
return err
}
fmt.Printf("%d\t%d\t%d\t%s\t%s\n", ts.Height(), stats.Size, stats.Links, strt, pstrt)
}
return nil
},
}