cmd, core, eth: support for the olympic network

Added a --olympic flag which initialiser the olympic protocol settings
This commit is contained in:
Jeffrey Wilcke 2015-08-03 17:48:24 +02:00
parent e7f4232b10
commit dcdb7059cc
4 changed files with 42 additions and 0 deletions

View File

@ -280,6 +280,7 @@ JavaScript API. See https://github.com/ethereum/go-ethereum/wiki/Javascipt-Conso
utils.BootnodesFlag,
utils.DataDirFlag,
utils.BlockchainVersionFlag,
utils.OlympicFlag,
utils.CacheFlag,
utils.JSpathFlag,
utils.ListenPortFlag,
@ -346,6 +347,9 @@ func main() {
func run(ctx *cli.Context) {
utils.CheckLegalese(ctx.GlobalString(utils.DataDirFlag.Name))
if ctx.GlobalBool(utils.OlympicFlag.Name) {
utils.InitOlympic()
}
cfg := utils.MakeEthConfig(ClientIdentifier, nodeNameVersion, ctx)
ethereum, err := eth.New(cfg)

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@ -21,6 +21,7 @@ import (
"bufio"
"fmt"
"io"
"math/big"
"os"
"os/signal"
"regexp"
@ -32,6 +33,7 @@ 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"
)
@ -143,6 +145,15 @@ 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)
}
func FormatTransactionData(data string) []byte {
d := common.StringToByteFunc(data, func(s string) (ret []byte) {
slice := regexp.MustCompile("\\n|\\s").Split(s, 1000000000)
@ -203,6 +214,11 @@ func ImportChain(chain *core.ChainManager, fn string) error {
} else if err != nil {
return fmt.Errorf("at block %d: %v", n, err)
}
// don't import first block
if b.NumberU64() == 0 {
i--
continue
}
blocks[i] = &b
n++
}
@ -218,6 +234,7 @@ func ImportChain(chain *core.ChainManager, fn string) error {
batch, blocks[0].Hash().Bytes()[:4], blocks[i-1].Hash().Bytes()[:4])
continue
}
if _, err := chain.InsertChain(blocks[:i]); err != nil {
return fmt.Errorf("invalid block %d: %v", n, err)
}

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@ -131,6 +131,10 @@ var (
Usage: "Megabytes of memory allocated to internal caching",
Value: 0,
}
OlympicFlag = cli.BoolFlag{
Name: "olympic",
Usage: "Use olympic style protocol",
}
// miner settings
MinerThreadsFlag = cli.IntFlag{
@ -402,6 +406,7 @@ func MakeEthConfig(clientID, version string, ctx *cli.Context) *eth.Config {
MaxPeers: ctx.GlobalInt(MaxPeersFlag.Name),
MaxPendingPeers: ctx.GlobalInt(MaxPendingPeersFlag.Name),
Port: ctx.GlobalString(ListenPortFlag.Name),
Olympic: ctx.GlobalBool(OlympicFlag.Name),
NAT: MakeNAT(ctx),
NatSpec: ctx.GlobalBool(NatspecEnabledFlag.Name),
Discovery: !ctx.GlobalBool(NoDiscoverFlag.Name),
@ -444,6 +449,13 @@ func MakeChain(ctx *cli.Context) (chain *core.ChainManager, blockDB, stateDB, ex
if extraDB, err = ethdb.NewLDBDatabase(filepath.Join(datadir, "extra"), cache); err != nil {
Fatalf("Could not open database: %v", err)
}
if ctx.GlobalBool(OlympicFlag.Name) {
InitOlympic()
_, err := core.WriteTestNetGenesisBlock(stateDB, blockDB, 42)
if err != nil {
glog.Fatalln(err)
}
}
eventMux := new(event.TypeMux)
pow := ethash.New()

View File

@ -78,6 +78,7 @@ type Config struct {
GenesisNonce int
GenesisFile string
GenesisBlock *types.Block // used by block tests
Olympic bool
BlockChainVersion int
SkipBcVersionCheck bool // e.g. blockchain export
@ -302,6 +303,14 @@ func New(config *Config) (*Ethereum, error) {
glog.V(logger.Info).Infof("Successfully wrote genesis block. New genesis hash = %x\n", block.Hash())
}
if config.Olympic {
_, err := core.WriteTestNetGenesisBlock(stateDb, blockDb, 42)
if err != nil {
return nil, err
}
glog.V(logger.Error).Infoln("Starting Olympic network")
}
// This is for testing only.
if config.GenesisBlock != nil {
core.WriteBlock(blockDb, config.GenesisBlock)