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cmd/geth: added --mainnet flag #21932

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Jan 5, 2021
Merged

cmd/geth: added --mainnet flag #21932

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129221e
cmd/geth: added --mainnet flag
MariusVanDerWijden Dec 1, 2020
ae00010
cmd/utils: set default genesis if --mainnet is specified
MariusVanDerWijden Dec 15, 2020
6677f2d
cmd/utils: addressed comments
MariusVanDerWijden Dec 15, 2020
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2 changes: 2 additions & 0 deletions cmd/geth/chaincmd.go
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Original file line number Diff line number Diff line change
Expand Up @@ -159,6 +159,7 @@ The export-preimages command export hash preimages to an RLP encoded stream`,
utils.CacheFlag,
utils.SyncModeFlag,
utils.FakePoWFlag,
utils.MainnetFlag,
utils.RopstenFlag,
utils.RinkebyFlag,
utils.TxLookupLimitFlag,
Expand Down Expand Up @@ -210,6 +211,7 @@ Use "ethereum dump 0" to dump the genesis block.`,
utils.DataDirFlag,
utils.AncientFlag,
utils.CacheFlag,
utils.MainnetFlag,
utils.RopstenFlag,
utils.RinkebyFlag,
utils.GoerliFlag,
Expand Down
1 change: 1 addition & 0 deletions cmd/geth/main.go
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Expand Up @@ -139,6 +139,7 @@ var (
utils.NodeKeyFileFlag,
utils.NodeKeyHexFlag,
utils.DNSDiscoveryFlag,
utils.MainnetFlag,
utils.DeveloperFlag,
utils.DeveloperPeriodFlag,
utils.LegacyTestnetFlag,
Expand Down
1 change: 1 addition & 0 deletions cmd/geth/usage.go
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Expand Up @@ -40,6 +40,7 @@ var AppHelpFlagGroups = []flags.FlagGroup{
utils.NoUSBFlag,
utils.SmartCardDaemonPathFlag,
utils.NetworkIdFlag,
utils.MainnetFlag,
utils.GoerliFlag,
utils.RinkebyFlag,
utils.YoloV2Flag,
Expand Down
12 changes: 11 additions & 1 deletion cmd/utils/flags.go
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Expand Up @@ -131,6 +131,10 @@ var (
Usage: "Explicitly set network id (integer)(For testnets: use --ropsten, --rinkeby, --goerli instead)",
Value: eth.DefaultConfig.NetworkId,
}
MainnetFlag = cli.BoolFlag{
Name: "mainnet",
Usage: "Ethereum mainnet",
}
GoerliFlag = cli.BoolFlag{
Name: "goerli",
Usage: "Görli network: pre-configured proof-of-authority test network",
Expand Down Expand Up @@ -1487,7 +1491,7 @@ func SetShhConfig(ctx *cli.Context, stack *node.Node) {
// SetEthConfig applies eth-related command line flags to the config.
func SetEthConfig(ctx *cli.Context, stack *node.Node, cfg *eth.Config) {
// Avoid conflicting network flags
CheckExclusive(ctx, DeveloperFlag, LegacyTestnetFlag, RopstenFlag, RinkebyFlag, GoerliFlag, YoloV2Flag)
CheckExclusive(ctx, MainnetFlag, DeveloperFlag, LegacyTestnetFlag, RopstenFlag, RinkebyFlag, GoerliFlag, YoloV2Flag)
CheckExclusive(ctx, LegacyLightServFlag, LightServeFlag, SyncModeFlag, "light")
CheckExclusive(ctx, DeveloperFlag, ExternalSignerFlag) // Can't use both ephemeral unlocked and external signer
CheckExclusive(ctx, GCModeFlag, "archive", TxLookupLimitFlag)
Expand Down Expand Up @@ -1602,6 +1606,12 @@ func SetEthConfig(ctx *cli.Context, stack *node.Node, cfg *eth.Config) {
}
// Override any default configs for hard coded networks.
switch {
case ctx.GlobalBool(MainnetFlag.Name):
if !ctx.GlobalIsSet(NetworkIdFlag.Name) {
cfg.NetworkId = 1
}
cfg.Genesis = core.DefaultGenesisBlock()
SetDNSDiscoveryDefaults(cfg, params.MainnetGenesisHash)
case ctx.GlobalBool(LegacyTestnetFlag.Name) || ctx.GlobalBool(RopstenFlag.Name):
if !ctx.GlobalIsSet(NetworkIdFlag.Name) {
cfg.NetworkId = 3
Expand Down