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authorPéter Szilágyi <peterke@gmail.com>2017-08-03 12:32:47 +0800
committerPéter Szilágyi <peterke@gmail.com>2017-08-04 00:39:34 +0800
commit4a260dc1f28719be860937a2b0c9574d59e51ab9 (patch)
tree9a7c8f141ff326b2d9d895c5848acc1ce8251bc6
parentbc0e6a5e68904b2a1251240b85dd97dc8fa07e11 (diff)
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cmd: add makecache cmd, use caches during import cmd
-rw-r--r--cmd/geth/main.go1
-rw-r--r--cmd/geth/misccmd.go63
-rw-r--r--cmd/utils/flags.go5
3 files changed, 42 insertions, 27 deletions
diff --git a/cmd/geth/main.go b/cmd/geth/main.go
index e89f88ec9..58e949806 100644
--- a/cmd/geth/main.go
+++ b/cmd/geth/main.go
@@ -157,6 +157,7 @@ func init() {
attachCommand,
javascriptCommand,
// See misccmd.go:
+ makecacheCommand,
makedagCommand,
versionCommand,
bugCommand,
diff --git a/cmd/geth/misccmd.go b/cmd/geth/misccmd.go
index 62b93d65a..2e68dcda3 100644
--- a/cmd/geth/misccmd.go
+++ b/cmd/geth/misccmd.go
@@ -18,9 +18,7 @@ package main
import (
"fmt"
- "io/ioutil"
"os"
- "path/filepath"
"runtime"
"strconv"
"strings"
@@ -33,14 +31,27 @@ import (
)
var (
+ makecacheCommand = cli.Command{
+ Action: utils.MigrateFlags(makecache),
+ Name: "makecache",
+ Usage: "Generate ethash verification cache (for testing)",
+ ArgsUsage: "<blockNum> <outputDir>",
+ Category: "MISCELLANEOUS COMMANDS",
+ Description: `
+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 DAG (for testing)",
+ Usage: "Generate ethash mining DAG (for testing)",
ArgsUsage: "<blockNum> <outputDir>",
Category: "MISCELLANEOUS COMMANDS",
Description: `
-The makedag command generates an ethash DAG in /tmp/dag.
+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
}
diff --git a/cmd/utils/flags.go b/cmd/utils/flags.go
index 9f7b76c12..04728b5c6 100644
--- a/cmd/utils/flags.go
+++ b/cmd/utils/flags.go
@@ -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 {