From aa0538db0b5de2bb2c609d629b65d083649f9171 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?P=C3=A9ter=20Szil=C3=A1gyi?= <peterke@gmail.com>
Date: Fri, 9 Oct 2015 18:36:31 +0300
Subject: eth: clean out light node notions from eth

---
 cmd/geth/main.go   |  4 +---
 cmd/utils/flags.go | 39 ++++-----------------------------------
 2 files changed, 5 insertions(+), 38 deletions(-)

(limited to 'cmd')

diff --git a/cmd/geth/main.go b/cmd/geth/main.go
index ca86fb26f..3e3a3eb03 100644
--- a/cmd/geth/main.go
+++ b/cmd/geth/main.go
@@ -304,8 +304,7 @@ JavaScript API. See https://github.com/ethereum/go-ethereum/wiki/Javascipt-Conso
 		utils.DataDirFlag,
 		utils.BlockchainVersionFlag,
 		utils.OlympicFlag,
-		utils.EthModeFlag,
-		utils.EthVersionFlag,
+		utils.FastSyncFlag,
 		utils.CacheFlag,
 		utils.JSpathFlag,
 		utils.ListenPortFlag,
@@ -361,7 +360,6 @@ JavaScript API. See https://github.com/ethereum/go-ethereum/wiki/Javascipt-Conso
 		utils.SetupLogger(ctx)
 		utils.SetupNetwork(ctx)
 		utils.SetupVM(ctx)
-		utils.SetupEth(ctx)
 		if ctx.GlobalBool(utils.PProfEanbledFlag.Name) {
 			utils.StartPProf(ctx)
 		}
diff --git a/cmd/utils/flags.go b/cmd/utils/flags.go
index 792fcb41d..060d80b35 100644
--- a/cmd/utils/flags.go
+++ b/cmd/utils/flags.go
@@ -28,7 +28,6 @@ import (
 	"path/filepath"
 	"runtime"
 	"strconv"
-	"strings"
 
 	"github.com/codegangsta/cli"
 	"github.com/ethereum/ethash"
@@ -149,15 +148,9 @@ var (
 		Name:  "olympic",
 		Usage: "Use olympic style protocol",
 	}
-	EthModeFlag = cli.StringFlag{
-		Name:  "mode",
-		Value: "archive",
-		Usage: "Client mode of operation (archive, full, light)",
-	}
-	EthVersionFlag = cli.IntFlag{
-		Name:  "eth",
-		Value: 63,
-		Usage: "Highest eth protocol to advertise (temporary, dev option)",
+	FastSyncFlag = cli.BoolFlag{
+		Name:  "fast",
+		Usage: "Enables fast syncing through state downloads",
 	}
 
 	// miner settings
@@ -431,25 +424,13 @@ func MakeEthConfig(clientID, version string, ctx *cli.Context) *eth.Config {
 	if err != nil {
 		glog.V(logger.Error).Infoln("WARNING: No etherbase set and no accounts found as default")
 	}
-	// Resolve the mode of opeation from the string flag
-	var clientMode eth.Mode
-	switch strings.ToLower(ctx.GlobalString(EthModeFlag.Name)) {
-	case "archive":
-		clientMode = eth.ArchiveMode
-	case "full":
-		clientMode = eth.FullMode
-	case "light":
-		clientMode = eth.LightMode
-	default:
-		glog.Fatalf("Unknown node type requested: %s", ctx.GlobalString(EthModeFlag.Name))
-	}
 	// Assemble the entire eth configuration and return
 	cfg := &eth.Config{
 		Name:                    common.MakeName(clientID, version),
 		DataDir:                 MustDataDir(ctx),
 		GenesisNonce:            ctx.GlobalInt(GenesisNonceFlag.Name),
 		GenesisFile:             ctx.GlobalString(GenesisFileFlag.Name),
-		Mode:                    clientMode,
+		FastSync:                ctx.GlobalBool(FastSyncFlag.Name),
 		BlockChainVersion:       ctx.GlobalInt(BlockchainVersionFlag.Name),
 		DatabaseCache:           ctx.GlobalInt(CacheFlag.Name),
 		SkipBcVersionCheck:      false,
@@ -550,18 +531,6 @@ func SetupVM(ctx *cli.Context) {
 	vm.SetJITCacheSize(ctx.GlobalInt(VMJitCacheFlag.Name))
 }
 
-// SetupEth configures the eth packages global settings
-func SetupEth(ctx *cli.Context) {
-	version := ctx.GlobalInt(EthVersionFlag.Name)
-	for len(eth.ProtocolVersions) > 0 && eth.ProtocolVersions[0] > uint(version) {
-		eth.ProtocolVersions = eth.ProtocolVersions[1:]
-		eth.ProtocolLengths = eth.ProtocolLengths[1:]
-	}
-	if len(eth.ProtocolVersions) == 0 {
-		Fatalf("No valid eth protocols remaining")
-	}
-}
-
 // MakeChain creates a chain manager from set command line flags.
 func MakeChain(ctx *cli.Context) (chain *core.BlockChain, chainDb ethdb.Database) {
 	datadir := MustDataDir(ctx)
-- 
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