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| author | obscuren <geffobscura@gmail.com> | 2015-03-19 01:23:37 +0800 |
|---|---|---|
| committer | obscuren <geffobscura@gmail.com> | 2015-03-19 01:23:37 +0800 |
| commit | f9a6038f5b82cad6956c9cbb7f1220d97570632b (patch) | |
| tree | 78fb61bed1924b60c3c4d59e5a5a471f55f91de7 /cmd | |
| parent | 4d0ae8b0cb32e9de63092bc36022ea4af76cad8b (diff) | |
| parent | baca0c2251a2587c136999a91449d9b6f7a6c60f (diff) | |
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merge
Diffstat (limited to 'cmd')
| -rw-r--r-- | cmd/ethereum/main.go | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/cmd/ethereum/main.go b/cmd/ethereum/main.go index 459059e6c..9ebbd9880 100644 --- a/cmd/ethereum/main.go +++ b/cmd/ethereum/main.go @@ -30,6 +30,7 @@ import ( "time" "github.com/codegangsta/cli" + "github.com/ethereum/ethash" "github.com/ethereum/go-ethereum/cmd/utils" "github.com/ethereum/go-ethereum/common" "github.com/ethereum/go-ethereum/core/types" @@ -55,6 +56,17 @@ func init() { app.Commands = []cli.Command{ blocktestCmd, { + Action: makedag, + Name: "makedag", + Usage: "generate ethash dag (for testing)", + Description: ` +The makedag command generates an ethash DAG in /tmp/dag. + +This command exists to support the system testing project. +Regular users do not need to execute it. +`, + }, + { Action: version, Name: "version", Usage: "print ethereum version numbers", @@ -318,6 +330,15 @@ func dump(ctx *cli.Context) { } } +func makedag(ctx *cli.Context) { + chain, _, _ := utils.GetChain(ctx) + pow := ethash.New(chain) + fmt.Println("making cache") + pow.UpdateCache(true) + fmt.Println("making DAG") + pow.UpdateDAG() +} + func version(c *cli.Context) { fmt.Printf(`%v Version: %v |