forked from cerc-io/plugeth
Merge pull request #522 from fjl/makedag
cmd/ethereum: add makedag command for testing
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commit
3e52c9439a
@ -30,6 +30,7 @@ import (
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"time"
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"github.com/codegangsta/cli"
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"github.com/ethereum/ethash"
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"github.com/ethereum/go-ethereum/cmd/utils"
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"github.com/ethereum/go-ethereum/common"
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"github.com/ethereum/go-ethereum/core/types"
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@ -54,6 +55,17 @@ func init() {
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app.HideVersion = true // we have a command to print the version
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app.Commands = []cli.Command{
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blocktestCmd,
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{
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Action: makedag,
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Name: "makedag",
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Usage: "generate ethash dag (for testing)",
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Description: `
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The makedag command generates an ethash DAG in /tmp/dag.
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This command exists to support the system testing project.
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Regular users do not need to execute it.
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`,
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},
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{
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Action: version,
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Name: "version",
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@ -318,6 +330,15 @@ func dump(ctx *cli.Context) {
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}
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}
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func makedag(ctx *cli.Context) {
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chain, _, _ := utils.GetChain(ctx)
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pow := ethash.New(chain)
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fmt.Println("making cache")
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pow.UpdateCache(true)
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fmt.Println("making DAG")
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pow.UpdateDAG()
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}
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func version(c *cli.Context) {
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fmt.Printf(`%v
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Version: %v
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