cmd/puppeth: chain import/export via wizard, minor polishes
This commit is contained in:
Péter Szilágyi
@ -20,9 +20,13 @@ import (
|
||||
"bytes"
|
||||
"encoding/json"
|
||||
"fmt"
|
||||
"io"
|
||||
"io/ioutil"
|
||||
"math/big"
|
||||
"math/rand"
|
||||
"net/http"
|
||||
"os"
|
||||
"path/filepath"
|
||||
"time"
|
||||
|
||||
"github.com/ethereum/go-ethereum/common"
|
||||
@ -40,11 +44,12 @@ func (w *wizard) makeGenesis() {
|
||||
Difficulty: big.NewInt(524288),
|
||||
Alloc: make(core.GenesisAlloc),
|
||||
Config: ¶ms.ChainConfig{
|
||||
HomesteadBlock: big.NewInt(1),
|
||||
EIP150Block: big.NewInt(2),
|
||||
EIP155Block: big.NewInt(3),
|
||||
EIP158Block: big.NewInt(3),
|
||||
ByzantiumBlock: big.NewInt(4),
|
||||
HomesteadBlock: big.NewInt(1),
|
||||
EIP150Block: big.NewInt(2),
|
||||
EIP155Block: big.NewInt(3),
|
||||
EIP158Block: big.NewInt(3),
|
||||
ByzantiumBlock: big.NewInt(4),
|
||||
ConstantinopleBlock: big.NewInt(5),
|
||||
},
|
||||
}
|
||||
// Figure out which consensus engine to choose
|
||||
@ -116,7 +121,7 @@ func (w *wizard) makeGenesis() {
|
||||
}
|
||||
fmt.Println()
|
||||
fmt.Println("Should the precompile-addresses (0x1 .. 0xff) be pre-funded with 1 wei? (advisable yes)")
|
||||
if w.readYesNo(true) {
|
||||
if w.readDefaultYesNo(true) {
|
||||
// Add a batch of precompile balances to avoid them getting deleted
|
||||
for i := int64(0); i < 256; i++ {
|
||||
genesis.Alloc[common.BigToAddress(big.NewInt(i))] = core.GenesisAccount{Balance: big.NewInt(1)}
|
||||
@ -134,6 +139,53 @@ func (w *wizard) makeGenesis() {
|
||||
w.conf.flush()
|
||||
}
|
||||
|
||||
// importGenesis imports a Geth genesis spec into puppeth.
|
||||
func (w *wizard) importGenesis() {
|
||||
// Request the genesis JSON spec URL from the user
|
||||
fmt.Println()
|
||||
fmt.Println("Where's the genesis file? (local file or http/https url)")
|
||||
url := w.readURL()
|
||||
|
||||
// Convert the various allowed URLs to a reader stream
|
||||
var reader io.Reader
|
||||
|
||||
switch url.Scheme {
|
||||
case "http", "https":
|
||||
// Remote web URL, retrieve it via an HTTP client
|
||||
res, err := http.Get(url.String())
|
||||
if err != nil {
|
||||
log.Error("Failed to retrieve remote genesis", "err", err)
|
||||
return
|
||||
}
|
||||
defer res.Body.Close()
|
||||
reader = res.Body
|
||||
|
||||
case "":
|
||||
// Schemaless URL, interpret as a local file
|
||||
file, err := os.Open(url.String())
|
||||
if err != nil {
|
||||
log.Error("Failed to open local genesis", "err", err)
|
||||
return
|
||||
}
|
||||
defer file.Close()
|
||||
reader = file
|
||||
|
||||
default:
|
||||
log.Error("Unsupported genesis URL scheme", "scheme", url.Scheme)
|
||||
return
|
||||
}
|
||||
// Parse the genesis file and inject it successful
|
||||
var genesis core.Genesis
|
||||
if err := json.NewDecoder(reader).Decode(&genesis); err != nil {
|
||||
log.Error("Invalid genesis spec: %v", err)
|
||||
return
|
||||
}
|
||||
log.Info("Imported genesis block")
|
||||
|
||||
w.conf.Genesis = &genesis
|
||||
w.conf.flush()
|
||||
}
|
||||
|
||||
// manageGenesis permits the modification of chain configuration parameters in
|
||||
// a genesis config and the export of the entire genesis spec.
|
||||
func (w *wizard) manageGenesis() {
|
||||
@ -168,7 +220,7 @@ func (w *wizard) manageGenesis() {
|
||||
w.conf.Genesis.Config.ByzantiumBlock = w.readDefaultBigInt(w.conf.Genesis.Config.ByzantiumBlock)
|
||||
|
||||
fmt.Println()
|
||||
fmt.Printf("Which block should Constantinople come into effect? (default = %v)\n", w.conf.Genesis.Config.ByzantiumBlock)
|
||||
fmt.Printf("Which block should Constantinople come into effect? (default = %v)\n", w.conf.Genesis.Config.ConstantinopleBlock)
|
||||
w.conf.Genesis.Config.ConstantinopleBlock = w.readDefaultBigInt(w.conf.Genesis.Config.ConstantinopleBlock)
|
||||
|
||||
out, _ := json.MarshalIndent(w.conf.Genesis.Config, "", " ")
|
||||
@ -177,18 +229,38 @@ func (w *wizard) manageGenesis() {
|
||||
case "2":
|
||||
// Save whatever genesis configuration we currently have
|
||||
fmt.Println()
|
||||
fmt.Printf("Which base filename to save the genesis specifications into? (default = %s)\n", w.network)
|
||||
out, _ := json.MarshalIndent(w.conf.Genesis, "", " ")
|
||||
basename := w.readDefaultString(fmt.Sprintf("%s.json", w.network))
|
||||
fmt.Printf("Which folder to save the genesis specs into? (default = current)\n")
|
||||
fmt.Printf(" Will create %s.json, %s-aleth.json, %s-harmony.json, %s-parity.json\n", w.network, w.network, w.network, w.network)
|
||||
|
||||
gethJson := fmt.Sprintf("%s.json", basename)
|
||||
folder := w.readDefaultString(".")
|
||||
if err := os.MkdirAll(folder, 0755); err != nil {
|
||||
log.Error("Failed to create spec folder", "folder", folder, "err", err)
|
||||
return
|
||||
}
|
||||
out, _ := json.MarshalIndent(w.conf.Genesis, "", " ")
|
||||
|
||||
// Export the native genesis spec used by puppeth and Geth
|
||||
gethJson := filepath.Join(folder, fmt.Sprintf("%s.json", w.network))
|
||||
if err := ioutil.WriteFile((gethJson), out, 0644); err != nil {
|
||||
log.Error("Failed to save genesis file", "err", err)
|
||||
return
|
||||
}
|
||||
log.Info("Saved geth genesis as %v", gethJson)
|
||||
if err := convertGenesis(w.conf.Genesis, basename, w.network, w.conf.bootnodes); err != nil {
|
||||
log.Error("Conversion failed", "err", err)
|
||||
log.Info("Saved native genesis chain spec", "path", gethJson)
|
||||
|
||||
// Export the genesis spec used by Aleth (formerly C++ Ethereum)
|
||||
if spec, err := newAlethGenesisSpec(w.network, w.conf.Genesis); err != nil {
|
||||
log.Error("Failed to create Aleth chain spec", "err", err)
|
||||
} else {
|
||||
saveGenesis(folder, w.network, "aleth", spec)
|
||||
}
|
||||
// Export the genesis spec used by Parity
|
||||
if spec, err := newParityChainSpec(w.network, w.conf.Genesis, []string{}); err != nil {
|
||||
log.Error("Failed to create Parity chain spec", "err", err)
|
||||
} else {
|
||||
saveGenesis(folder, w.network, "parity", spec)
|
||||
}
|
||||
// Export the genesis spec used by Harmony (formerly EthereumJ
|
||||
saveGenesis(folder, w.network, "harmony", w.conf.Genesis)
|
||||
|
||||
case "3":
|
||||
// Make sure we don't have any services running
|
||||
@ -202,29 +274,18 @@ func (w *wizard) manageGenesis() {
|
||||
w.conf.flush()
|
||||
default:
|
||||
log.Error("That's not something I can do")
|
||||
return
|
||||
}
|
||||
}
|
||||
|
||||
func saveGenesis(basename, client string, spec interface{}) {
|
||||
filename := fmt.Sprintf("%s-%s.json", basename, client)
|
||||
// saveGenesis JSON encodes an arbitrary genesis spec into a pre-defined file.
|
||||
func saveGenesis(folder, network, client string, spec interface{}) {
|
||||
path := filepath.Join(folder, fmt.Sprintf("%s-%s.json", network, client))
|
||||
|
||||
out, _ := json.Marshal(spec)
|
||||
if err := ioutil.WriteFile(filename, out, 0644); err != nil {
|
||||
log.Error("failed to save genesis file", "client", client, "err", err)
|
||||
if err := ioutil.WriteFile(path, out, 0644); err != nil {
|
||||
log.Error("Failed to save genesis file", "client", client, "err", err)
|
||||
return
|
||||
}
|
||||
log.Info("saved chainspec", "client", client, "filename", filename)
|
||||
}
|
||||
|
||||
func convertGenesis(genesis *core.Genesis, basename string, network string, bootnodes []string) error {
|
||||
if spec, err := newAlethGenesisSpec(network, genesis); err == nil {
|
||||
saveGenesis(basename, "aleth", spec)
|
||||
} else {
|
||||
log.Error("failed to create chain spec", "client", "aleth", "err", err)
|
||||
}
|
||||
if spec, err := newParityChainSpec(network, genesis, []string{}); err == nil {
|
||||
saveGenesis(basename, "parity", spec)
|
||||
} else {
|
||||
log.Error("failed to create chain spec", "client", "parity", "err", err)
|
||||
}
|
||||
saveGenesis(basename, "harmony", genesis)
|
||||
return nil
|
||||
log.Info("Saved genesis chain spec", "client", client, "path", path)
|
||||
}
|
||||
|
||||
Reference in New Issue
Block a user