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sync.go
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sync.go
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package main
import (
"fmt"
"strconv"
"github.com/filecoin-project/go-state-types/big"
"github.com/filecoin-project/lotus/chain/actors/builtin/power"
"github.com/filecoin-project/go-address"
"github.com/filecoin-project/go-state-types/abi"
"github.com/ipfs/go-cid"
"github.com/filecoin-project/lotus/chain/types"
lcli "github.com/filecoin-project/lotus/cli"
"github.com/urfave/cli/v2"
)
var syncCmd = &cli.Command{
Name: "sync",
Usage: "tools for diagnosing sync issues",
Flags: []cli.Flag{},
Subcommands: []*cli.Command{
syncValidateCmd,
syncScrapePowerCmd,
},
}
var syncValidateCmd = &cli.Command{
Name: "validate",
Usage: "checks whether a provided tipset is valid",
Action: func(cctx *cli.Context) error {
api, closer, err := lcli.GetFullNodeAPI(cctx)
if err != nil {
return err
}
defer closer()
ctx := lcli.ReqContext(cctx)
if cctx.Args().Len() < 1 {
fmt.Println("usage: <blockCid1> <blockCid2>...")
fmt.Println("At least one block cid must be provided")
return nil
}
args := cctx.Args().Slice()
var tscids []cid.Cid
for _, s := range args {
c, err := cid.Decode(s)
if err != nil {
return fmt.Errorf("block cid was invalid: %s", err)
}
tscids = append(tscids, c)
}
tsk := types.NewTipSetKey(tscids...)
valid, err := api.SyncValidateTipset(ctx, tsk)
if err != nil {
fmt.Println("Tipset is invalid: ", err)
}
if valid {
fmt.Println("Tipset is valid")
}
return nil
},
}
var syncScrapePowerCmd = &cli.Command{
Name: "scrape-power",
Usage: "given a height and a tipset, reports what percentage of mining power had a winning ticket between the tipset and height",
ArgsUsage: "[height tipsetkey]",
Action: func(cctx *cli.Context) error {
if cctx.Args().Len() < 1 {
fmt.Println("usage: <height> [blockCid1 blockCid2...]")
fmt.Println("Any CIDs passed after the height will be used as the tipset key")
fmt.Println("If no block CIDs are provided, chain head will be used")
return nil
}
api, closer, err := lcli.GetFullNodeAPI(cctx)
if err != nil {
return err
}
defer closer()
ctx := lcli.ReqContext(cctx)
if cctx.Args().Len() < 1 {
fmt.Println("usage: <blockCid1> <blockCid2>...")
fmt.Println("At least one block cid must be provided")
return nil
}
h, err := strconv.ParseInt(cctx.Args().Get(0), 10, 0)
if err != nil {
return err
}
height := abi.ChainEpoch(h)
var ts *types.TipSet
var startTsk types.TipSetKey
if cctx.NArg() > 1 {
var tscids []cid.Cid
args := cctx.Args().Slice()
for _, s := range args[1:] {
c, err := cid.Decode(s)
if err != nil {
return fmt.Errorf("block cid was invalid: %s", err)
}
tscids = append(tscids, c)
}
startTsk = types.NewTipSetKey(tscids...)
ts, err = api.ChainGetTipSet(ctx, startTsk)
if err != nil {
return err
}
} else {
ts, err = api.ChainHead(ctx)
if err != nil {
return err
}
startTsk = ts.Key()
}
if ts.Height() < height {
return fmt.Errorf("start tipset's height < stop height: %d < %d", ts.Height(), height)
}
miners := make(map[address.Address]struct{})
for ts.Height() >= height {
for _, blk := range ts.Blocks() {
_, found := miners[blk.Miner]
if !found {
// do the thing
miners[blk.Miner] = struct{}{}
}
}
ts, err = api.ChainGetTipSet(ctx, ts.Parents())
if err != nil {
return err
}
}
totalWonPower := power.Claim{
RawBytePower: big.Zero(),
QualityAdjPower: big.Zero(),
}
for miner := range miners {
mp, err := api.StateMinerPower(ctx, miner, startTsk)
if err != nil {
return err
}
totalWonPower = power.AddClaims(totalWonPower, mp.MinerPower)
}
totalPower, err := api.StateMinerPower(ctx, address.Undef, startTsk)
if err != nil {
return err
}
qpercI := types.BigDiv(types.BigMul(totalWonPower.QualityAdjPower, types.NewInt(1000000)), totalPower.TotalPower.QualityAdjPower)
fmt.Println("Number of winning miners: ", len(miners))
fmt.Println("QAdjPower of winning miners: ", totalWonPower.QualityAdjPower)
fmt.Println("QAdjPower of all miners: ", totalPower.TotalPower.QualityAdjPower)
fmt.Println("Percentage of winning QAdjPower: ", float64(qpercI.Int64())/10000)
return nil
},
}