diff options
Diffstat (limited to 'cmd/geth/main.go')
| -rw-r--r-- | cmd/geth/main.go | 42 |
1 files changed, 39 insertions, 3 deletions
diff --git a/cmd/geth/main.go b/cmd/geth/main.go index a21fe71b5..5d5ab4559 100644 --- a/cmd/geth/main.go +++ b/cmd/geth/main.go @@ -32,7 +32,9 @@ import ( "github.com/ethereum/go-ethereum/accounts" "github.com/ethereum/go-ethereum/cmd/utils" "github.com/ethereum/go-ethereum/common" + "github.com/ethereum/go-ethereum/core" "github.com/ethereum/go-ethereum/eth" + "github.com/ethereum/go-ethereum/ethdb" "github.com/ethereum/go-ethereum/internal/debug" "github.com/ethereum/go-ethereum/logger" "github.com/ethereum/go-ethereum/logger/glog" @@ -108,7 +110,6 @@ Runs quick benchmark on first GPU found. The output of this command is supposed to be machine-readable. `, }, - { Name: "wallet", Usage: "ethereum presale wallet", @@ -248,6 +249,16 @@ nodes. }, }, { + Action: initGenesis, + Name: "init", + Usage: "bootstraps and initialises a new genesis block (JSON)", + Description: ` +The init command initialises a new genesis block and definition for the network. +This is a destructive action and changes the network in which you will be +participating. +`, + }, + { Action: console, Name: "console", Usage: `Geth Console: interactive JavaScript environment`, @@ -255,7 +266,8 @@ nodes. The Geth console is an interactive shell for the JavaScript runtime environment which exposes a node admin interface as well as the Ðapp JavaScript API. See https://github.com/ethereum/go-ethereum/wiki/Javascipt-Console -`}, +`, + }, { Action: attach, Name: "attach", @@ -347,7 +359,6 @@ JavaScript API. See https://github.com/ethereum/go-ethereum/wiki/Javascipt-Conso go metrics.CollectProcessMetrics(3 * time.Second) utils.SetupNetwork(ctx) - utils.SetupVM(ctx) return nil } @@ -417,6 +428,31 @@ func attach(ctx *cli.Context) { } } +// initGenesis will initialise the given JSON format genesis file and writes it as +// the zero'd block (i.e. genesis) or will fail hard if it can't succeed. +func initGenesis(ctx *cli.Context) { + genesisPath := ctx.Args().First() + if len(genesisPath) == 0 { + utils.Fatalf("must supply path to genesis JSON file") + } + + chainDb, err := ethdb.NewLDBDatabase(filepath.Join(utils.MustMakeDataDir(ctx), "chaindata"), 0, 0) + if err != nil { + utils.Fatalf("could not open database: %v", err) + } + + genesisFile, err := os.Open(genesisPath) + if err != nil { + utils.Fatalf("failed to read genesis file: %v", err) + } + + block, err := core.WriteGenesisBlock(chainDb, genesisFile) + if err != nil { + utils.Fatalf("failed to write genesis block: %v", err) + } + glog.V(logger.Info).Infof("successfully wrote genesis block and/or chain rule set: %x", block.Hash()) +} + // console starts a new geth node, attaching a JavaScript console to it at the // same time. func console(ctx *cli.Context) { |