core: remove support for Olympic network

cmd/geth/main.go

@@ -88,7 +88,6 @@ func init() {
 		utils.BootnodesFlag,
 		utils.DataDirFlag,
 		utils.KeyStoreDirFlag,
-		utils.OlympicFlag,
 		utils.FastSyncFlag,
 		utils.LightModeFlag,
 		utils.LightServFlag,

cmd/geth/usage.go

@@ -67,7 +67,6 @@ var AppHelpFlagGroups = []flagGroup{
 			utils.DataDirFlag,
 			utils.KeyStoreDirFlag,
 			utils.NetworkIdFlag,
-			utils.OlympicFlag,
 			utils.TestNetFlag,
 			utils.DevModeFlag,
 			utils.IdentityFlag,

cmd/utils/flags.go

@@ -21,7 +21,6 @@ import (
 	"crypto/ecdsa"
 	"fmt"
 	"io/ioutil"
-	"math"
 	"math/big"
 	"os"
 	"path/filepath"
@@ -116,13 +115,9 @@ var (
 	}
 	NetworkIdFlag = cli.IntFlag{
 		Name:  "networkid",
-		Usage: "Network identifier (integer, 0=Olympic (disused), 1=Frontier, 2=Morden (disused), 3=Ropsten)",
+		Usage: "Network identifier (integer, 1=Frontier, 2=Morden (disused), 3=Ropsten)",
 		Value: eth.NetworkId,
 	}
-	OlympicFlag = cli.BoolFlag{
-		Name:  "olympic",
-		Usage: "Olympic network: pre-configured pre-release test network",
-	}
 	TestNetFlag = cli.BoolFlag{
 		Name:  "testnet",
 		Usage: "Ropsten network: pre-configured test network",
@@ -712,7 +707,7 @@ func MakeNode(ctx *cli.Context, name, gitCommit string) *node.Node {
 // given node.
 func RegisterEthService(ctx *cli.Context, stack *node.Node, extra []byte) {
 	// Avoid conflicting network flags
-	networks, netFlags := 0, []cli.BoolFlag{DevModeFlag, TestNetFlag, OlympicFlag}
+	networks, netFlags := 0, []cli.BoolFlag{DevModeFlag, TestNetFlag}
 	for _, flag := range netFlags {
 		if ctx.GlobalBool(flag.Name) {
 			networks++
@@ -750,12 +745,6 @@ func RegisterEthService(ctx *cli.Context, stack *node.Node, extra []byte) {
 
 	// Override any default configs in dev mode or the test net
 	switch {
-	case ctx.GlobalBool(OlympicFlag.Name):
-		if !ctx.GlobalIsSet(NetworkIdFlag.Name) {
-			ethConf.NetworkId = 1
-		}
-		ethConf.Genesis = core.OlympicGenesisBlock()
-
 	case ctx.GlobalBool(TestNetFlag.Name):
 		if !ctx.GlobalIsSet(NetworkIdFlag.Name) {
 			ethConf.NetworkId = 3
@@ -763,7 +752,7 @@ func RegisterEthService(ctx *cli.Context, stack *node.Node, extra []byte) {
 		ethConf.Genesis = core.DefaultTestnetGenesisBlock()
 
 	case ctx.GlobalBool(DevModeFlag.Name):
-		ethConf.Genesis = core.OlympicGenesisBlock()
+		ethConf.Genesis = core.DevGenesisBlock()
 		if !ctx.GlobalIsSet(GasPriceFlag.Name) {
 			ethConf.GasPrice = new(big.Int)
 		}
@@ -820,16 +809,6 @@ func RegisterEthStatsService(stack *node.Node, url string) {
 
 // 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)
-	}
 	params.TargetGasLimit = common.String2Big(ctx.GlobalString(TargetGasLimitFlag.Name))
 }
 
@@ -920,13 +899,6 @@ func MakeChain(ctx *cli.Context, stack *node.Node) (chain *core.BlockChain, chai
 	var err error
 	chainDb = MakeChainDatabase(ctx, stack)
 
-	if ctx.GlobalBool(OlympicFlag.Name) {
-		_, err := core.WriteOlympicGenesisBlock(chainDb)
-		if err != nil {
-			glog.Fatalln(err)
-		}
-	}
-
 	if ctx.GlobalBool(TestNetFlag.Name) {
 		_, err := core.WriteTestNetGenesisBlock(chainDb)
 		if err != nil {

core/default_genesis.go

@@ -23,3 +23,6 @@ const defaultGenesisBlock = "H4sIAAAJbogA/5S9267gSHOl9y59PRd5Pszb5BEYQJi5sQEbgt/
 // defaultTestnetGenesisBlock is a gzip compressed dump of the official default Ethereum
 // test network genesis block (currently Ropsten).
 const defaultTestnetGenesisBlock = "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"
+
+// defaultDevnetGenesisBlockis a gzip compressed dump of a dev Ethereum network genesis block.
+const defaultDevnetGenesisBlock = "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"

core/genesis.go

@@ -178,12 +178,6 @@ func WriteTestNetGenesisBlock(chainDb ethdb.Database) (*types.Block, error) {
 	return WriteGenesisBlock(chainDb, strings.NewReader(DefaultTestnetGenesisBlock()))
 }
 
-// WriteOlympicGenesisBlock assembles the Olympic genesis block and writes it
-// along with all associated state into a chain database.
-func WriteOlympicGenesisBlock(db ethdb.Database) (*types.Block, error) {
-	return WriteGenesisBlock(db, strings.NewReader(OlympicGenesisBlock()))
-}
-
 // DefaultGenesisBlock assembles a JSON string representing the default Ethereum
 // genesis block.
 func DefaultGenesisBlock() string {
@@ -209,26 +203,12 @@ func DefaultTestnetGenesisBlock() string {
 	return string(blob)
 }
 
-// OlympicGenesisBlock assembles a JSON string representing the Olympic genesis
-// block.
-func OlympicGenesisBlock() string {
-	return fmt.Sprintf(`{
-		"nonce":"0x%x",
-		"gasLimit":"0x%x",
-		"difficulty":"0x%x",
-		"alloc": {
-			"0000000000000000000000000000000000000001": {"balance": "1"},
-			"0000000000000000000000000000000000000002": {"balance": "1"},
-			"0000000000000000000000000000000000000003": {"balance": "1"},
-			"0000000000000000000000000000000000000004": {"balance": "1"},
-			"dbdbdb2cbd23b783741e8d7fcf51e459b497e4a6": {"balance": "1606938044258990275541962092341162602522202993782792835301376"},
-			"e4157b34ea9615cfbde6b4fda419828124b70c78": {"balance": "1606938044258990275541962092341162602522202993782792835301376"},
-			"b9c015918bdaba24b4ff057a92a3873d6eb201be": {"balance": "1606938044258990275541962092341162602522202993782792835301376"},
-			"6c386a4b26f73c802f34673f7248bb118f97424a": {"balance": "1606938044258990275541962092341162602522202993782792835301376"},
-			"cd2a3d9f938e13cd947ec05abc7fe734df8dd826": {"balance": "1606938044258990275541962092341162602522202993782792835301376"},
-			"2ef47100e0787b915105fd5e3f4ff6752079d5cb": {"balance": "1606938044258990275541962092341162602522202993782792835301376"},
-			"e6716f9544a56c530d868e4bfbacb172315bdead": {"balance": "1606938044258990275541962092341162602522202993782792835301376"},
-			"1a26338f0d905e295fccb71fa9ea849ffa12aaf4": {"balance": "1606938044258990275541962092341162602522202993782792835301376"}
-		}
-	}`, types.EncodeNonce(42), params.GenesisGasLimit.Bytes(), params.GenesisDifficulty.Bytes())
+// DevGenesisBlock assembles a JSON string representing a local dev genesis block.
+func DevGenesisBlock() string {
+	reader := bzip2.NewReader(base64.NewDecoder(base64.StdEncoding, strings.NewReader(defaultDevnetGenesisBlock)))
+	blob, err := ioutil.ReadAll(reader)
+	if err != nil {
+		panic(fmt.Sprintf("failed to load dev genesis: %v", err))
+	}
+	return string(blob)
 }

eth/handler.go

@@ -750,7 +750,7 @@ func (self *ProtocolManager) txBroadcastLoop() {
 // EthNodeInfo represents a short summary of the Ethereum sub-protocol metadata known
 // about the host peer.
 type EthNodeInfo struct {
-	Network    int         `json:"network"`    // Ethereum network ID (0=Olympic, 1=Frontier, 2=Morden)
+	Network    int         `json:"network"`    // Ethereum network ID (1=Frontier, 2=Morden, Ropsten=3)
 	Difficulty *big.Int    `json:"difficulty"` // Total difficulty of the host's blockchain
 	Genesis    common.Hash `json:"genesis"`    // SHA3 hash of the host's genesis block
 	Head       common.Hash `json:"head"`       // SHA3 hash of the host's best owned block