From b06f44ecc2b8f0c0506dd4239ee3d70eac4d1005 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?P=C3=A9ter=20Szil=C3=A1gyi?= Date: Thu, 21 Apr 2016 12:14:57 +0300 Subject: [PATCH] cmd: add a `--fakepow` flag to help benchmarking database changes --- cmd/geth/main.go | 1 + cmd/geth/usage.go | 7 +++++-- cmd/utils/flags.go | 13 ++++++++++--- 3 files changed, 16 insertions(+), 5 deletions(-) diff --git a/cmd/geth/main.go b/cmd/geth/main.go index 6ab4ed45b..c33e04f06 100644 --- a/cmd/geth/main.go +++ b/cmd/geth/main.go @@ -205,6 +205,7 @@ JavaScript API. See https://github.com/ethereum/go-ethereum/wiki/Javascipt-Conso utils.NetworkIdFlag, utils.RPCCORSDomainFlag, utils.MetricsEnabledFlag, + utils.FakePoWFlag, utils.SolcPathFlag, utils.GpoMinGasPriceFlag, utils.GpoMaxGasPriceFlag, diff --git a/cmd/geth/usage.go b/cmd/geth/usage.go index 278a55980..90019d7b9 100644 --- a/cmd/geth/usage.go +++ b/cmd/geth/usage.go @@ -150,8 +150,11 @@ var AppHelpFlagGroups = []flagGroup{ }, }, { - Name: "LOGGING AND DEBUGGING", - Flags: append([]cli.Flag{utils.MetricsEnabledFlag}, debug.Flags...), + Name: "LOGGING AND DEBUGGING", + Flags: append([]cli.Flag{ + utils.MetricsEnabledFlag, + utils.FakePoWFlag, + }, debug.Flags...), }, { Name: "EXPERIMENTAL", diff --git a/cmd/utils/flags.go b/cmd/utils/flags.go index 52060c795..8d55ac8b9 100644 --- a/cmd/utils/flags.go +++ b/cmd/utils/flags.go @@ -47,6 +47,7 @@ import ( "github.com/ethereum/go-ethereum/p2p/discover" "github.com/ethereum/go-ethereum/p2p/nat" "github.com/ethereum/go-ethereum/params" + "github.com/ethereum/go-ethereum/pow" "github.com/ethereum/go-ethereum/rpc" "github.com/ethereum/go-ethereum/whisper" ) @@ -228,6 +229,10 @@ var ( Name: metrics.MetricsEnabledFlag, Usage: "Enable metrics collection and reporting", } + FakePoWFlag = cli.BoolFlag{ + Name: "fakepow", + Usage: "Disables proof-of-work verification", + } // RPC settings RPCEnabledFlag = cli.BoolFlag{ @@ -842,11 +847,13 @@ func MakeChain(ctx *cli.Context) (chain *core.BlockChain, chainDb ethdb.Database glog.Fatalln(err) } } - chainConfig := MustMakeChainConfigFromDb(ctx, chainDb) - var eventMux event.TypeMux - chain, err = core.NewBlockChain(chainDb, chainConfig, ethash.New(), &eventMux) + pow := pow.PoW(core.FakePow{}) + if !ctx.GlobalBool(FakePoWFlag.Name) { + pow = ethash.New() + } + chain, err = core.NewBlockChain(chainDb, chainConfig, pow, new(event.TypeMux)) if err != nil { Fatalf("Could not start chainmanager: %v", err) }