diff options
Diffstat (limited to 'cmd/geth/chaincmd.go')
| -rw-r--r-- | cmd/geth/chaincmd.go | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/cmd/geth/chaincmd.go b/cmd/geth/chaincmd.go index 1a7a9eb18..c77bd554c 100644 --- a/cmd/geth/chaincmd.go +++ b/cmd/geth/chaincmd.go @@ -32,6 +32,7 @@ import ( "github.com/ethereum/go-ethereum/core/state" "github.com/ethereum/go-ethereum/core/types" "github.com/ethereum/go-ethereum/ethdb" + "github.com/ethereum/go-ethereum/logger" "github.com/ethereum/go-ethereum/logger/glog" "github.com/ethereum/go-ethereum/trie" "github.com/syndtr/goleveldb/leveldb/util" @@ -39,6 +40,18 @@ import ( ) var ( + initCommand = cli.Command{ + Action: initGenesis, + Name: "init", + Usage: "Bootstrap and initialize a new genesis block", + ArgsUsage: "<genesisPath>", + Category: "BLOCKCHAIN COMMANDS", + Description: ` +The init command initializes a new genesis block and definition for the network. +This is a destructive action and changes the network in which you will be +participating. +`, + } importCommand = cli.Command{ Action: importChain, Name: "import", @@ -95,6 +108,30 @@ Use "ethereum dump 0" to dump the genesis block. } ) +// 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) error { + genesisPath := ctx.Args().First() + if len(genesisPath) == 0 { + utils.Fatalf("must supply path to genesis JSON file") + } + + stack := makeFullNode(ctx) + chaindb := utils.MakeChainDatabase(ctx, stack) + + 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()) + return nil +} + func importChain(ctx *cli.Context) error { if len(ctx.Args()) != 1 { utils.Fatalf("This command requires an argument.") |