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ethereum_handler.go
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ethereum_handler.go
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// Copyright (C) 2023 Gobalsky Labs Limited
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as
// published by the Free Software Foundation, either version 3 of the
// License, or (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
package nodewallets
import (
"fmt"
"path/filepath"
"code.vegaprotocol.io/vega/core/nodewallets/eth"
"code.vegaprotocol.io/vega/core/nodewallets/eth/clef"
"code.vegaprotocol.io/vega/core/nodewallets/eth/keystore"
"code.vegaprotocol.io/vega/core/nodewallets/registry"
"code.vegaprotocol.io/vega/paths"
ethcommon "github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/rpc"
)
func GetEthereumWallet(vegaPaths paths.Paths, registryPassphrase string) (*eth.Wallet, error) {
registryLoader, err := registry.NewLoader(vegaPaths, registryPassphrase)
if err != nil {
return nil, fmt.Errorf("couldn't initialise node wallet registry: %v", err)
}
registry, err := registryLoader.Get(registryPassphrase)
if err != nil {
return nil, fmt.Errorf("couldn't load node wallet registry: %v", err)
}
if registry.Ethereum == nil {
return nil, ErrEthereumWalletIsMissing
}
return GetEthereumWalletWithRegistry(vegaPaths, registry)
}
func GetEthereumWalletWithRegistry(vegaPaths paths.Paths, reg *registry.Registry) (*eth.Wallet, error) {
switch walletRegistry := reg.Ethereum.Details.(type) {
case registry.EthereumClefWallet:
ethAddress := ethcommon.HexToAddress(walletRegistry.AccountAddress)
client, err := rpc.Dial(walletRegistry.ClefAddress)
if err != nil {
return nil, fmt.Errorf("failed to dial Clef daemon: %w", err)
}
w, err := clef.NewWallet(client, walletRegistry.ClefAddress, ethAddress)
if err != nil {
return nil, fmt.Errorf("couldn't initialise Ethereum Clef node wallet: %w", err)
}
return eth.NewWallet(w), nil
case registry.EthereumKeyStoreWallet:
walletLoader, err := keystore.InitialiseWalletLoader(vegaPaths)
if err != nil {
return nil, fmt.Errorf("couldn't initialise Ethereum key store node wallet loader: %w", err)
}
w, err := walletLoader.Load(walletRegistry.Name, walletRegistry.Passphrase)
if err != nil {
return nil, fmt.Errorf("couldn't load Ethereum key store node wallet: %w", err)
}
return eth.NewWallet(w), nil
default:
return nil, fmt.Errorf("could not create unknown Ethereum wallet type %q", reg.Ethereum.Type)
}
}
func GenerateEthereumWallet(
vegaPaths paths.Paths,
registryPassphrase,
walletPassphrase string,
clefAddress string,
overwrite bool,
) (map[string]string, error) {
registryLoader, err := registry.NewLoader(vegaPaths, registryPassphrase)
if err != nil {
return nil, fmt.Errorf("couldn't initialise node wallet registry: %v", err)
}
reg, err := registryLoader.Get(registryPassphrase)
if err != nil {
return nil, fmt.Errorf("couldn't load node wallet registry: %v", err)
}
if !overwrite && reg.Ethereum != nil {
return nil, ErrEthereumWalletAlreadyExists
}
var data map[string]string
if clefAddress != "" {
client, err := rpc.Dial(clefAddress)
if err != nil {
return nil, fmt.Errorf("failed to dial Clef daemon: %w", err)
}
w, err := clef.GenerateNewWallet(client, clefAddress)
if err != nil {
return nil, fmt.Errorf("couldn't generate Ethereum clef node wallet: %w", err)
}
data = map[string]string{
"clefAddress": clefAddress,
"accountAddress": w.PubKey().Hex(),
}
reg.Ethereum = ®istry.RegisteredEthereumWallet{
Type: registry.EthereumWalletTypeClef,
Details: registry.EthereumClefWallet{
Name: w.Name(),
AccountAddress: w.PubKey().Hex(),
ClefAddress: clefAddress,
},
}
} else {
keyStoreLoader, err := keystore.InitialiseWalletLoader(vegaPaths)
if err != nil {
return nil, fmt.Errorf("couldn't initialise Ethereum key store node wallet loader: %w", err)
}
w, d, err := keyStoreLoader.Generate(walletPassphrase)
if err != nil {
return nil, fmt.Errorf("couldn't generate Ethereum key store node wallet: %w", err)
}
data = d
reg.Ethereum = ®istry.RegisteredEthereumWallet{
Type: registry.EthereumWalletTypeKeyStore,
Details: registry.EthereumKeyStoreWallet{
Name: w.Name(),
Passphrase: walletPassphrase,
},
}
}
if err := registryLoader.Save(reg, registryPassphrase); err != nil {
return nil, fmt.Errorf("couldn't save registry: %w", err)
}
data["registryFilePath"] = registryLoader.RegistryFilePath()
return data, nil
}
func ImportEthereumWallet(
vegaPaths paths.Paths,
registryPassphrase,
walletPassphrase,
clefAccount,
clefAddress,
sourceFilePath string,
overwrite bool,
) (map[string]string, error) {
registryLoader, err := registry.NewLoader(vegaPaths, registryPassphrase)
if err != nil {
return nil, fmt.Errorf("couldn't initialise node wallet registry: %v", err)
}
reg, err := registryLoader.Get(registryPassphrase)
if err != nil {
return nil, fmt.Errorf("couldn't load node wallet registry: %v", err)
}
if !overwrite && reg.Ethereum != nil {
return nil, ErrEthereumWalletAlreadyExists
}
var data map[string]string
if clefAddress != "" {
if !ethcommon.IsHexAddress(clefAccount) {
return nil, fmt.Errorf("invalid Ethereum hex address %q", clefAccount)
}
ethAddress := ethcommon.HexToAddress(clefAccount)
client, err := rpc.Dial(clefAddress)
if err != nil {
return nil, fmt.Errorf("failed to dial Clef daemon: %w", err)
}
w, err := clef.NewWallet(client, clefAddress, ethAddress)
if err != nil {
return nil, fmt.Errorf("couldn't initialise Ethereum Clef node wallet: %w", err)
}
data = map[string]string{
"clefAddress": clefAddress,
"accountAddress": w.PubKey().Hex(),
}
reg.Ethereum = ®istry.RegisteredEthereumWallet{
Type: registry.EthereumWalletTypeClef,
Details: registry.EthereumClefWallet{
Name: w.Name(),
AccountAddress: w.PubKey().Hex(),
ClefAddress: clefAddress,
},
}
} else {
if !filepath.IsAbs(sourceFilePath) {
return nil, fmt.Errorf("path to the wallet file need to be absolute")
}
ethWalletLoader, err := keystore.InitialiseWalletLoader(vegaPaths)
if err != nil {
return nil, fmt.Errorf("couldn't initialise Ethereum node wallet loader: %w", err)
}
w, d, err := ethWalletLoader.Import(sourceFilePath, walletPassphrase)
if err != nil {
return nil, fmt.Errorf("couldn't import Ethereum node wallet: %w", err)
}
data = d
reg.Ethereum = ®istry.RegisteredEthereumWallet{
Type: registry.EthereumWalletTypeKeyStore,
Details: registry.EthereumKeyStoreWallet{
Name: w.Name(),
Passphrase: walletPassphrase,
},
}
}
if err := registryLoader.Save(reg, registryPassphrase); err != nil {
return nil, fmt.Errorf("couldn't save registry: %w", err)
}
data["registryFilePath"] = registryLoader.RegistryFilePath()
return data, nil
}