cmd: add makecache cmd, use caches during import cmd

This commit is contained in:
Péter Szilágyi 2017-08-03 06:32:47 +02:00
parent bc0e6a5e68
commit 4a260dc1f2
No known key found for this signature in database
GPG Key ID: E9AE538CEDF8293D
3 changed files with 45 additions and 30 deletions

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@ -157,6 +157,7 @@ func init() {
attachCommand,
javascriptCommand,
// See misccmd.go:
makecacheCommand,
makedagCommand,
versionCommand,
bugCommand,

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@ -18,9 +18,7 @@ package main
import (
"fmt"
"io/ioutil"
"os"
"path/filepath"
"runtime"
"strconv"
"strings"
@ -33,14 +31,27 @@ import (
)
var (
makedagCommand = cli.Command{
Action: utils.MigrateFlags(makedag),
Name: "makedag",
Usage: "Generate ethash DAG (for testing)",
makecacheCommand = cli.Command{
Action: utils.MigrateFlags(makecache),
Name: "makecache",
Usage: "Generate ethash verification cache (for testing)",
ArgsUsage: "<blockNum> <outputDir>",
Category: "MISCELLANEOUS COMMANDS",
Description: `
The makedag command generates an ethash DAG in /tmp/dag.
The makecache command generates an ethash cache in <outputDir>.
This command exists to support the system testing project.
Regular users do not need to execute it.
`,
}
makedagCommand = cli.Command{
Action: utils.MigrateFlags(makedag),
Name: "makedag",
Usage: "Generate ethash mining DAG (for testing)",
ArgsUsage: "<blockNum> <outputDir>",
Category: "MISCELLANEOUS COMMANDS",
Description: `
The makedag command generates an ethash DAG in <outputDir>.
This command exists to support the system testing project.
Regular users do not need to execute it.
@ -65,33 +76,33 @@ The output of this command is supposed to be machine-readable.
}
)
// makecache generates an ethash verification cache into the provided folder.
func makecache(ctx *cli.Context) error {
args := ctx.Args()
if len(args) != 2 {
utils.Fatalf(`Usage: geth makecache <block number> <outputdir>`)
}
block, err := strconv.ParseUint(args[0], 0, 64)
if err != nil {
utils.Fatalf("Invalid block number: %v", err)
}
ethash.MakeCache(block, args[1])
return nil
}
// makedag generates an ethash mining DAG into the provided folder.
func makedag(ctx *cli.Context) error {
args := ctx.Args()
wrongArgs := func() {
if len(args) != 2 {
utils.Fatalf(`Usage: geth makedag <block number> <outputdir>`)
}
switch {
case len(args) == 2:
blockNum, err := strconv.ParseUint(args[0], 0, 64)
dir := args[1]
if err != nil {
wrongArgs()
} else {
dir = filepath.Clean(dir)
// seems to require a trailing slash
if !strings.HasSuffix(dir, "/") {
dir = dir + "/"
}
_, err = ioutil.ReadDir(dir)
if err != nil {
utils.Fatalf("Can't find dir")
}
fmt.Println("making DAG, this could take awhile...")
ethash.MakeDataset(blockNum, dir)
}
default:
wrongArgs()
block, err := strconv.ParseUint(args[0], 0, 64)
if err != nil {
utils.Fatalf("Invalid block number: %v", err)
}
ethash.MakeDataset(block, args[1])
return nil
}

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@ -1093,7 +1093,10 @@ func MakeChain(ctx *cli.Context, stack *node.Node) (chain *core.BlockChain, chai
engine := ethash.NewFaker()
if !ctx.GlobalBool(FakePoWFlag.Name) {
engine = ethash.New("", 1, 0, "", 1, 0)
engine = ethash.New(
stack.ResolvePath(eth.DefaultConfig.EthashCacheDir), eth.DefaultConfig.EthashCachesInMem, eth.DefaultConfig.EthashCachesOnDisk,
stack.ResolvePath(eth.DefaultConfig.EthashDatasetDir), eth.DefaultConfig.EthashDatasetsInMem, eth.DefaultConfig.EthashDatasetsOnDisk,
)
}
config, _, err := core.SetupGenesisBlock(chainDb, MakeGenesis(ctx))
if err != nil {