diff options
Diffstat (limited to 'cmd/geth')
| -rw-r--r-- | cmd/geth/main.go | 30 |
1 files changed, 29 insertions, 1 deletions
diff --git a/cmd/geth/main.go b/cmd/geth/main.go index 68c66a4ab..0e73822f3 100644 --- a/cmd/geth/main.go +++ b/cmd/geth/main.go @@ -42,6 +42,8 @@ import ( "github.com/ethereum/go-ethereum/logger" "github.com/ethereum/go-ethereum/logger/glog" "github.com/ethereum/go-ethereum/metrics" + "github.com/ethereum/go-ethereum/params" + "github.com/ethereum/go-ethereum/rlp" "github.com/ethereum/go-ethereum/rpc/codec" "github.com/ethereum/go-ethereum/rpc/comms" "github.com/mattn/go-colorable" @@ -49,8 +51,11 @@ import ( ) const ( - ClientIdentifier = "Geth" + ClientIdentifier = "Geth " Version = "1.0.1" + VersionMajor = 1 + VersionMinor = 0 + VersionPatch = 1 ) var ( @@ -349,6 +354,27 @@ func main() { } } +func makeDefaultExtra() []byte { + var clientInfo = struct { + Version uint + Name string + GoVersion string + Os string + }{uint(VersionMajor<<16 | VersionMinor<<8 | VersionPatch), ClientIdentifier, runtime.Version(), runtime.GOOS} + extra, err := rlp.EncodeToBytes(clientInfo) + if err != nil { + glog.V(logger.Warn).Infoln("error setting canonical miner information:", err) + } + + if uint64(len(extra)) > params.MaximumExtraDataSize.Uint64() { + glog.V(logger.Warn).Infoln("error setting canonical miner information: extra exceeds", params.MaximumExtraDataSize) + glog.V(logger.Debug).Infof("extra: %x\n", extra) + return nil + } + + return extra +} + func run(ctx *cli.Context) { utils.CheckLegalese(ctx.GlobalString(utils.DataDirFlag.Name)) if ctx.GlobalBool(utils.OlympicFlag.Name) { @@ -356,6 +382,8 @@ func run(ctx *cli.Context) { } cfg := utils.MakeEthConfig(ClientIdentifier, nodeNameVersion, ctx) + cfg.ExtraData = makeDefaultExtra() + ethereum, err := eth.New(cfg) if err != nil { utils.Fatalf("%v", err) |