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cmd/puppeth: implement chainspec converters

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This commit is contained in:
Martin Holst Swende
2018-11-24 23:22:25 +01:00
committed by Péter Szilágyi
parent a3fd415c0f
commit 8698fbabf6
9 changed files with 780 additions and 162 deletions
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67
cmd/puppeth/wizard_genesis.go
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@ -114,9 +114,13 @@ 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.readYesNo(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()
@ -136,47 +140,57 @@ 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.ByzantiumBlock)
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 base filename to save the genesis specifications into? (default = %s)\n", w.network)
out, _ := json.MarshalIndent(w.conf.Genesis, "", " ")
if err := ioutil.WriteFile(w.readDefaultString(fmt.Sprintf("%s.json", w.network)), out, 0644); err != nil {
basename := w.readDefaultString(fmt.Sprintf("%s.json", w.network))
gethJson := fmt.Sprintf("%s.json", basename)
if err := ioutil.WriteFile((gethJson), out, 0644); err != nil {
log.Error("Failed to save genesis file", "err", err)
}
log.Info("Exported existing genesis block")
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)
}
case choice == "3":
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 +200,31 @@ func (w *wizard) manageGenesis() {
w.conf.Genesis = nil
w.conf.flush()
default:
log.Error("That's not something I can do")
}
}
func saveGenesis(basename, client string, spec interface{}) {
filename := fmt.Sprintf("%s-%s.json", basename, 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)
}
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
}