lotus/cmd/lotus-chainwatch/dot.go
Łukasz Magiera 83924e6b97
sectorbuilder: Allow to restrict task types
License: MIT
Signed-off-by: Jakub Sztandera <kubuxu@protocol.ai>
2019-12-07 19:05:15 +01:00

65 lines
1.4 KiB
Go

package main
import (
"fmt"
"hash/crc32"
"strconv"
"github.com/ipfs/go-cid"
"gopkg.in/urfave/cli.v2"
)
var dotCmd = &cli.Command{
Name: "dot",
Usage: "generate dot graphs",
ArgsUsage: "<minHeight> <toseeHeight>",
Action: func(cctx *cli.Context) error {
st, err := openStorage(cctx.String("db"))
if err != nil {
return err
}
minH, err := strconv.ParseInt(cctx.Args().Get(0), 10, 32)
tosee, err := strconv.ParseInt(cctx.Args().Get(1), 10, 32)
maxH := minH + tosee
res, err := st.db.Query("select block, parent, b.miner, b.height from block_parents inner join blocks b on block_parents.block = b.cid where b.height > ? and b.height < ?", minH, maxH)
if err != nil {
return err
}
fmt.Println("digraph D {")
for res.Next() {
var block, parent, miner string
var height uint64
if err := res.Scan(&block, &parent, &miner, &height); err != nil {
return err
}
bc, err := cid.Parse(block)
if err != nil {
return err
}
has := st.hasBlock(bc)
col := crc32.Checksum([]byte(miner), crc32.MakeTable(crc32.Castagnoli))&0xc0c0c0c0 + 0x30303030
hasstr := ""
if !has {
hasstr = " UNSYNCED"
}
fmt.Printf("%s [label = \"%s:%d%s\", fillcolor = \"#%06x\", style=filled, forcelabels=true]\n%s -> %s\n", block, miner, height, hasstr, col, block, parent)
}
if res.Err() != nil {
return res.Err()
}
fmt.Println("}")
return nil
},
}