cmd: properly initialize Olympic for all subcommands

cmd/geth/main.go

@@ -340,6 +340,7 @@ JavaScript API. See https://github.com/ethereum/go-ethereum/wiki/Javascipt-Conso
 	}
 	app.Before = func(ctx *cli.Context) error {
 		utils.SetupLogger(ctx)
+		utils.SetupNetwork(ctx)
 		utils.SetupVM(ctx)
 		utils.SetupEth(ctx)
 		if ctx.GlobalBool(utils.PProfEanbledFlag.Name) {
@@ -391,9 +392,6 @@ func makeDefaultExtra() []byte {
 
 func run(ctx *cli.Context) {
 	utils.CheckLegalese(utils.MustDataDir(ctx))
-	if ctx.GlobalBool(utils.OlympicFlag.Name) {
-		utils.InitOlympic()
-	}
 
 	cfg := utils.MakeEthConfig(ClientIdentifier, nodeNameVersion, ctx)
 	cfg.ExtraData = makeExtra(ctx)

cmd/utils/cmd.go

@@ -21,8 +21,6 @@ import (
 	"bufio"
 	"fmt"
 	"io"
-	"math"
-	"math/big"
 	"os"
 	"os/signal"
 	"regexp"
@@ -34,7 +32,6 @@ import (
 	"github.com/ethereum/go-ethereum/eth"
 	"github.com/ethereum/go-ethereum/logger"
 	"github.com/ethereum/go-ethereum/logger/glog"
-	"github.com/ethereum/go-ethereum/params"
 	"github.com/ethereum/go-ethereum/rlp"
 	"github.com/peterh/liner"
 )
@@ -146,16 +143,6 @@ func StartEthereum(ethereum *eth.Ethereum) {
 	}()
 }
 
-func InitOlympic() {
-	params.DurationLimit = big.NewInt(8)
-	params.GenesisGasLimit = big.NewInt(3141592)
-	params.MinGasLimit = big.NewInt(125000)
-	params.MaximumExtraDataSize = big.NewInt(1024)
-	NetworkIdFlag.Value = 0
-	core.BlockReward = big.NewInt(1.5e+18)
-	core.ExpDiffPeriod = big.NewInt(math.MaxInt64)
-}
-
 func FormatTransactionData(data string) []byte {
 	d := common.StringToByteFunc(data, func(s string) (ret []byte) {
 		slice := regexp.MustCompile("\\n|\\s").Split(s, 1000000000)

cmd/utils/flags.go

@@ -20,6 +20,7 @@ import (
 	"crypto/ecdsa"
 	"fmt"
 	"log"
+	"math"
 	"math/big"
 	"net"
 	"net/http"
@@ -42,6 +43,7 @@ import (
 	"github.com/ethereum/go-ethereum/logger/glog"
 	"github.com/ethereum/go-ethereum/metrics"
 	"github.com/ethereum/go-ethereum/p2p/nat"
+	"github.com/ethereum/go-ethereum/params"
 	"github.com/ethereum/go-ethereum/rpc/api"
 	"github.com/ethereum/go-ethereum/rpc/codec"
 	"github.com/ethereum/go-ethereum/rpc/comms"
@@ -488,6 +490,20 @@ func SetupLogger(ctx *cli.Context) {
 	glog.SetLogDir(ctx.GlobalString(LogFileFlag.Name))
 }
 
+// SetupNetwork configures the system for either the main net or some test network.
+func SetupNetwork(ctx *cli.Context) {
+	switch {
+	case ctx.GlobalBool(OlympicFlag.Name):
+		params.DurationLimit = big.NewInt(8)
+		params.GenesisGasLimit = big.NewInt(3141592)
+		params.MinGasLimit = big.NewInt(125000)
+		params.MaximumExtraDataSize = big.NewInt(1024)
+		NetworkIdFlag.Value = 0
+		core.BlockReward = big.NewInt(1.5e+18)
+		core.ExpDiffPeriod = big.NewInt(math.MaxInt64)
+	}
+}
+
 // SetupVM configured the VM package's global settings
 func SetupVM(ctx *cli.Context) {
 	vm.EnableJit = ctx.GlobalBool(VMEnableJitFlag.Name)
@@ -517,7 +533,6 @@ func MakeChain(ctx *cli.Context) (chain *core.BlockChain, chainDb ethdb.Database
 		Fatalf("Could not open database: %v", err)
 	}
 	if ctx.GlobalBool(OlympicFlag.Name) {
-		InitOlympic()
 		_, err := core.WriteTestNetGenesisBlock(chainDb, 42)
 		if err != nil {
 			glog.Fatalln(err)