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-rw-r--r--cmd/puppeth/wizard_genesis.go138
1 files changed, 118 insertions, 20 deletions
diff --git a/cmd/puppeth/wizard_genesis.go b/cmd/puppeth/wizard_genesis.go
index 6c4cd571f..95da5bd4f 100644
--- a/cmd/puppeth/wizard_genesis.go
+++ b/cmd/puppeth/wizard_genesis.go
@@ -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: &params.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
@@ -114,9 +119,13 @@ func (w *wizard) makeGenesis() {
}
break
}
- // 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)}
+ fmt.Println()
+ fmt.Println("Should the precompile-addresses (0x1 .. 0xff) be pre-funded with 1 wei? (advisable yes)")
+ 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)}
+ }
}
// Query the user for some custom extras
fmt.Println()
@@ -130,53 +139,130 @@ 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() {
// Figure out whether to modify or export the genesis
fmt.Println()
fmt.Println(" 1. Modify existing fork rules")
- fmt.Println(" 2. Export genesis configuration")
+ fmt.Println(" 2. Export genesis configurations")
fmt.Println(" 3. Remove genesis configuration")
choice := w.read()
- switch {
- case choice == "1":
+ switch choice {
+ case "1":
// Fork rule updating requested, iterate over each fork
fmt.Println()
fmt.Printf("Which block should Homestead come into effect? (default = %v)\n", w.conf.Genesis.Config.HomesteadBlock)
w.conf.Genesis.Config.HomesteadBlock = w.readDefaultBigInt(w.conf.Genesis.Config.HomesteadBlock)
fmt.Println()
- fmt.Printf("Which block should EIP150 come into effect? (default = %v)\n", w.conf.Genesis.Config.EIP150Block)
+ fmt.Printf("Which block should EIP150 (Tangerine Whistle) come into effect? (default = %v)\n", w.conf.Genesis.Config.EIP150Block)
w.conf.Genesis.Config.EIP150Block = w.readDefaultBigInt(w.conf.Genesis.Config.EIP150Block)
fmt.Println()
- fmt.Printf("Which block should EIP155 come into effect? (default = %v)\n", w.conf.Genesis.Config.EIP155Block)
+ fmt.Printf("Which block should EIP155 (Spurious Dragon) come into effect? (default = %v)\n", w.conf.Genesis.Config.EIP155Block)
w.conf.Genesis.Config.EIP155Block = w.readDefaultBigInt(w.conf.Genesis.Config.EIP155Block)
fmt.Println()
- fmt.Printf("Which block should EIP158 come into effect? (default = %v)\n", w.conf.Genesis.Config.EIP158Block)
+ fmt.Printf("Which block should EIP158/161 (also Spurious Dragon) come into effect? (default = %v)\n", w.conf.Genesis.Config.EIP158Block)
w.conf.Genesis.Config.EIP158Block = w.readDefaultBigInt(w.conf.Genesis.Config.EIP158Block)
fmt.Println()
fmt.Printf("Which block should Byzantium come into effect? (default = %v)\n", w.conf.Genesis.Config.ByzantiumBlock)
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.ConstantinopleBlock)
+ w.conf.Genesis.Config.ConstantinopleBlock = w.readDefaultBigInt(w.conf.Genesis.Config.ConstantinopleBlock)
+
out, _ := json.MarshalIndent(w.conf.Genesis.Config, "", " ")
fmt.Printf("Chain configuration updated:\n\n%s\n", out)
- case choice == "2":
+ case "2":
// Save whatever genesis configuration we currently have
fmt.Println()
- fmt.Printf("Which file to save the genesis into? (default = %s.json)\n", 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)
+
+ 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, "", " ")
- if err := ioutil.WriteFile(w.readDefaultString(fmt.Sprintf("%s.json", w.network)), out, 0644); err != nil {
+
+ // 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("Exported existing genesis block")
+ log.Info("Saved native genesis chain spec", "path", gethJson)
- case choice == "3":
+ // 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
if len(w.conf.servers()) > 0 {
log.Error("Genesis reset requires all services and servers torn down")
@@ -186,8 +272,20 @@ func (w *wizard) manageGenesis() {
w.conf.Genesis = nil
w.conf.flush()
-
default:
log.Error("That's not something I can do")
+ return
+ }
+}
+
+// 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(path, out, 0644); err != nil {
+ log.Error("Failed to save genesis file", "client", client, "err", err)
+ return
}
+ log.Info("Saved genesis chain spec", "client", client, "path", path)
}
generated by cgit v1.2.3 (git 2.25.1) at 2025-03-11 10:20:44 +0800