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Diffstat (limited to 'cmd/utils/flags.go')
| -rw-r--r-- | cmd/utils/flags.go | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/cmd/utils/flags.go b/cmd/utils/flags.go index af2929d10..5ebc4ea61 100644 --- a/cmd/utils/flags.go +++ b/cmd/utils/flags.go @@ -138,6 +138,11 @@ var ( Name: "olympic", Usage: "Use olympic style protocol", } + EthVersionFlag = cli.IntFlag{ + Name: "eth", + Value: 61, + Usage: "Highest eth protocol to advertise (temporary, dev option)", + } // miner settings MinerThreadsFlag = cli.IntFlag{ @@ -459,6 +464,18 @@ 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.ChainManager, chainDb common.Database) { datadir := ctx.GlobalString(DataDirFlag.Name) |