Golang Ethereum.AccountManager方法代碼示例

// startNode boots up the system node and all registered protocols, after which
// it unlocks any requested accounts, and starts the RPC/IPC interfaces and the
// miner.
func startNode(ctx *cli.Context, stack *node.Node) {
	// Start up the node itself
	utils.StartNode(stack)

	// Unlock any account specifically requested
	var ethereum *eth.Ethereum
	if err := stack.Service(&ethereum); err != nil {
		utils.Fatalf("ethereum service not running: %v", err)
	}
	accman := ethereum.AccountManager()
	passwords := utils.MakePasswordList(ctx)

	accounts := strings.Split(ctx.GlobalString(utils.UnlockedAccountFlag.Name), ",")
	for i, account := range accounts {
		if trimmed := strings.TrimSpace(account); trimmed != "" {
			unlockAccount(ctx, accman, trimmed, i, passwords)
		}
	}
	// Start auxiliary services if enabled
	if ctx.GlobalBool(utils.MiningEnabledFlag.Name) {
		if err := ethereum.StartMining(ctx.GlobalInt(utils.MinerThreadsFlag.Name), ctx.GlobalString(utils.MiningGPUFlag.Name)); err != nil {
			utils.Fatalf("Failed to start mining: %v", err)
		}
	}
}

// InsertPreState populates the given database with the genesis
// accounts defined by the test.
func (t *BlockTest) InsertPreState(ethereum *eth.Ethereum) (*state.StateDB, error) {
	db := ethereum.StateDb()
	statedb := state.New(common.Hash{}, db)
	for addrString, acct := range t.preAccounts {
		addr, err := hex.DecodeString(addrString)
		if err != nil {
			return nil, err
		}
		code, err := hex.DecodeString(strings.TrimPrefix(acct.Code, "0x"))
		if err != nil {
			return nil, err
		}
		balance, ok := new(big.Int).SetString(acct.Balance, 0)
		if !ok {
			return nil, err
		}
		nonce, err := strconv.ParseUint(prepInt(16, acct.Nonce), 16, 64)
		if err != nil {
			return nil, err
		}

		if acct.PrivateKey != "" {
			privkey, err := hex.DecodeString(strings.TrimPrefix(acct.PrivateKey, "0x"))
			err = crypto.ImportBlockTestKey(privkey)
			err = ethereum.AccountManager().TimedUnlock(common.BytesToAddress(addr), "", 999999*time.Second)
			if err != nil {
				return nil, err
			}
		}

		obj := statedb.CreateAccount(common.HexToAddress(addrString))
		obj.SetCode(code)
		obj.SetBalance(balance)
		obj.SetNonce(nonce)
		for k, v := range acct.Storage {
			statedb.SetState(common.HexToAddress(addrString), common.HexToHash(k), common.HexToHash(v))
		}
	}
	// sync objects to trie
	statedb.SyncObjects()
	// sync trie to disk
	statedb.Sync()

	if !bytes.Equal(t.Genesis.Root().Bytes(), statedb.Root().Bytes()) {
		return nil, fmt.Errorf("computed state root does not match genesis block %x %x", t.Genesis.Root().Bytes()[:4], statedb.Root().Bytes()[:4])
	}
	return statedb, nil
}

func startEth(ctx *cli.Context, eth *eth.Ethereum) {
	// Start Ethereum itself
	utils.StartEthereum(eth)

	am := eth.AccountManager()
	account := ctx.GlobalString(utils.UnlockedAccountFlag.Name)
	accounts := strings.Split(account, " ")
	for i, account := range accounts {
		if len(account) > 0 {
			if account == "primary" {
				utils.Fatalf("the 'primary' keyword is deprecated. You can use integer indexes, but the indexes are not permanent, they can change if you add external keys, export your keys or copy your keystore to another node.")
			}
			unlockAccount(ctx, am, account, i)
		}
	}
	// Start auxiliary services if enabled.
	if !ctx.GlobalBool(utils.IPCDisabledFlag.Name) {
		if err := utils.StartIPC(eth, ctx); err != nil {
			utils.Fatalf("Error string IPC: %v", err)
		}
	}
	if ctx.GlobalBool(utils.RPCEnabledFlag.Name) {
		if err := utils.StartRPC(eth, ctx); err != nil {
			utils.Fatalf("Error starting RPC: %v", err)
		}
	}
	if ctx.GlobalBool(utils.MiningEnabledFlag.Name) {
		if err := eth.StartMining(ctx.GlobalInt(utils.MinerThreadsFlag.Name)); err != nil {
			utils.Fatalf("%v", err)
		}
	}
}

func startEth(ctx *cli.Context, eth *eth.Ethereum) {
	// Start Ethereum itself
	utils.StartEthereum(eth)
	am := eth.AccountManager()

	account := ctx.GlobalString(utils.UnlockedAccountFlag.Name)
	if len(account) > 0 {
		if account == "primary" {
			accbytes, err := am.Primary()
			if err != nil {
				utils.Fatalf("no primary account: %v", err)
			}
			account = common.ToHex(accbytes)
		}
		unlockAccount(ctx, am, account)
	}
	// Start auxiliary services if enabled.
	if ctx.GlobalBool(utils.RPCEnabledFlag.Name) {
		if err := utils.StartRPC(eth, ctx); err != nil {
			utils.Fatalf("Error starting RPC: %v", err)
		}
	}
	if ctx.GlobalBool(utils.MiningEnabledFlag.Name) {
		if err := eth.StartMining(); err != nil {
			utils.Fatalf("%v", err)
		}
	}
}

// New creates a new Ether APIs instance, connects with it to the Ethereum network
// via an embedded Geth instance and attaches an RPC in-process endpoint to it.
func New(datadir string, network geth.EthereumNetwork, address common.Address) (*EtherAPIs, error) {
	// Create a Geth instance and boot it up
	client, err := geth.New(datadir, network)
	if err != nil {
		return nil, err
	}
	if err := client.Start(); err != nil {
		return nil, err
	}
	// Retrieve the underlying ethereum service and attach global RPC interface
	var ethereum *eth.Ethereum
	if err := client.Stack().Service(&ethereum); err != nil {
		return nil, err
	}
	api, err := client.Attach()
	if err != nil {
		return nil, err
	}
	// Assemble an interface around the consensus contract
	rpcClient, err := client.Stack().Attach()
	if err != nil {
		return nil, err
	}
	contract, err := contract.NewEtherAPIs(address, backends.NewRPCBackend(rpcClient))
	if err != nil {
		return nil, err
	}
	// Assemble and return the Ether APIs instance
	return &EtherAPIs{
		client:   client,
		ethereum: ethereum,
		eventmux: client.Stack().EventMux(),
		rpcapi:   api,
		contract: contract,
		signer: func(from common.Address, tx *types.Transaction) (*types.Transaction, error) {
			signature, err := ethereum.AccountManager().Sign(accounts.Account{Address: from}, tx.SigHash().Bytes())
			if err != nil {
				return nil, err
			}
			return tx.WithSignature(signature)
		},
	}, nil
}

func (self *jsre) UnlockAccount(addr []byte) bool {
	fmt.Printf("Please unlock account %x.\n", addr)
	pass, err := utils.Stdin.PasswordPrompt("Passphrase: ")
	if err != nil {
		return false
	}
	// TODO: allow retry
	var ethereum *eth.Ethereum
	if err := self.stack.Service(&ethereum); err != nil {
		return false
	}
	a := accounts.Account{Address: common.BytesToAddress(addr)}
	if err := ethereum.AccountManager().Unlock(a, pass); err != nil {
		return false
	} else {
		fmt.Println("Account is now unlocked for this session.")
		return true
	}
}

func StartIPC(eth *eth.Ethereum, ctx *cli.Context) error {
	config := comms.IpcConfig{
		Endpoint: IpcSocketPath(ctx),
	}

	initializer := func(conn net.Conn) (comms.Stopper, shared.EthereumApi, error) {
		fe := useragent.NewRemoteFrontend(conn, eth.AccountManager())
		xeth := xeth.New(eth, fe)
		apis, err := api.ParseApiString(ctx.GlobalString(IPCApiFlag.Name), codec.JSON, xeth, eth)
		if err != nil {
			return nil, nil, err
		}
		return xeth, api.Merge(apis...), nil
	}

	return comms.StartIpc(config, codec.JSON, initializer)
}

func startEth(ctx *cli.Context, eth *eth.Ethereum) {
	// Start Ethereum itself

	utils.StartEthereum(eth)
	am := eth.AccountManager()

	account := ctx.GlobalString(utils.UnlockedAccountFlag.Name)
	accounts := strings.Split(account, " ")
	for _, account := range accounts {
		if len(account) > 0 {
			if account == "primary" {
				primaryAcc, err := am.Primary()
				if err != nil {
					utils.Fatalf("no primary account: %v", err)
				}
				account = primaryAcc.Hex()
			}
			unlockAccount(ctx, am, account)
		}
	}
	// Start auxiliary services if enabled.
	if !ctx.GlobalBool(utils.IPCDisabledFlag.Name) {
		if err := utils.StartIPC(eth, ctx); err != nil {
			utils.Fatalf("Error string IPC: %v", err)
		}
	}
	if ctx.GlobalBool(utils.RPCEnabledFlag.Name) {
		if err := utils.StartRPC(eth, ctx); err != nil {
			utils.Fatalf("Error starting RPC: %v", err)
		}
	}
	if ctx.GlobalBool(utils.MiningEnabledFlag.Name) {
		if err := eth.StartMining(ctx.GlobalInt(utils.MinerThreadsFlag.Name)); err != nil {
			utils.Fatalf("%v", err)
		}
	}
}