accounts, cmd, eth, internal, miner, node: wallets and HD APIs

1 files changed, 102 insertions, 19 deletions

diff --git a/internal/ethapi/api.go b/internal/ethapi/api.go
index 7962f8b17..0e75eb0e0 100644
--- a/internal/ethapi/api.go
+++ b/internal/ethapi/api.go
@@ -188,8 +188,14 @@ func NewPublicAccountAPI(am *accounts.Manager) *PublicAccountAPI {
 }
 
 // Accounts returns the collection of accounts this node manages
-func (s *PublicAccountAPI) Accounts() []accounts.Account {
-	return s.am.Accounts()
+func (s *PublicAccountAPI) Accounts() []common.Address {
+	var addresses []common.Address
+	for _, wallet := range s.am.Wallets() {
+		for _, account := range wallet.Accounts() {
+			addresses = append(addresses, account.Address)
+		}
+	}
+	return addresses
 }
 
 // PrivateAccountAPI provides an API to access accounts managed by this node.
@@ -210,14 +216,51 @@ func NewPrivateAccountAPI(b Backend) *PrivateAccountAPI {
 
 // ListAccounts will return a list of addresses for accounts this node manages.
 func (s *PrivateAccountAPI) ListAccounts() []common.Address {
-	accounts := s.am.Accounts()
-	addresses := make([]common.Address, len(accounts))
-	for i, acc := range accounts {
-		addresses[i] = acc.Address
+	var addresses []common.Address
+	for _, wallet := range s.am.Wallets() {
+		for _, account := range wallet.Accounts() {
+			addresses = append(addresses, account.Address)
+		}
 	}
 	return addresses
 }
 
+// rawWallet is a JSON representation of an accounts.Wallet interface, with its
+// data contents extracted into plain fields.
+type rawWallet struct {
+	Type     string             `json:"type"`
+	URL      string             `json:"url"`
+	Status   string             `json:"status"`
+	Accounts []accounts.Account `json:"accounts"`
+}
+
+// ListWallets will return a list of wallets this node manages.
+func (s *PrivateAccountAPI) ListWallets() []rawWallet {
+	var wallets []rawWallet
+	for _, wallet := range s.am.Wallets() {
+		wallets = append(wallets, rawWallet{
+			Type:     wallet.Type(),
+			URL:      wallet.URL(),
+			Status:   wallet.Status(),
+			Accounts: wallet.Accounts(),
+		})
+	}
+	return wallets
+}
+
+// DeriveAccount requests a HD wallet to derive a new account, optionally pinning
+// it for later reuse.
+func (s *PrivateAccountAPI) DeriveAccount(url string, path string, pin *bool) (accounts.Account, error) {
+	wallet, err := s.am.Wallet(url)
+	if err != nil {
+		return accounts.Account{}, err
+	}
+	if pin == nil {
+		pin = new(bool)
+	}
+	return wallet.Derive(path, *pin)
+}
+
 // NewAccount will create a new account and returns the address for the new account.
 func (s *PrivateAccountAPI) NewAccount(password string) (common.Address, error) {
 	acc, err := fetchKeystore(s.am).NewAccount(password)
@@ -229,7 +272,7 @@ func (s *PrivateAccountAPI) NewAccount(password string) (common.Address, error)
 
 // fetchKeystore retrives the encrypted keystore from the account manager.
 func fetchKeystore(am *accounts.Manager) *keystore.KeyStore {
-	return am.Backend(keystore.BackendType).(*keystore.KeyStore)
+	return am.Backends(keystore.KeyStoreType)[0].(*keystore.KeyStore)
 }
 
 // ImportRawKey stores the given hex encoded ECDSA key into the key directory,
@@ -270,16 +313,25 @@ func (s *PrivateAccountAPI) LockAccount(addr common.Address) bool {
 // tries to sign it with the key associated with args.To. If the given passwd isn't
 // able to decrypt the key it fails.
 func (s *PrivateAccountAPI) SendTransaction(ctx context.Context, args SendTxArgs, passwd string) (common.Hash, error) {
+	// Set some sanity defaults and terminate on failure
 	if err := args.setDefaults(ctx, s.b); err != nil {
 		return common.Hash{}, err
 	}
+	// Look up the wallet containing the requested signer
+	account := accounts.Account{Address: args.From}
+
+	wallet, err := s.am.Find(account)
+	if err != nil {
+		return common.Hash{}, err
+	}
+	// Assemble the transaction and sign with the wallet
 	tx := args.toTransaction()
 
 	var chainID *big.Int
 	if config := s.b.ChainConfig(); config.IsEIP155(s.b.CurrentBlock().Number()) {
 		chainID = config.ChainId
 	}
-	signed, err := s.am.SignTxWithPassphrase(accounts.Account{Address: args.From}, passwd, tx, chainID)
+	signed, err := wallet.SignTxWithPassphrase(account, passwd, tx, chainID)
 	if err != nil {
 		return common.Hash{}, err
 	}
@@ -308,7 +360,15 @@ func signHash(data []byte) []byte {
 //
 // https://github.com/ethereum/go-ethereum/wiki/Management-APIs#personal_sign
 func (s *PrivateAccountAPI) Sign(ctx context.Context, data hexutil.Bytes, addr common.Address, passwd string) (hexutil.Bytes, error) {
-	signature, err := s.b.AccountManager().SignHashWithPassphrase(accounts.Account{Address: addr}, passwd, signHash(data))
+	// Look up the wallet containing the requested signer
+	account := accounts.Account{Address: addr}
+
+	wallet, err := s.b.AccountManager().Find(account)
+	if err != nil {
+		return nil, err
+	}
+	// Assemble sign the data with the wallet
+	signature, err := wallet.SignHashWithPassphrase(account, passwd, signHash(data))
 	if err != nil {
 		return nil, err
 	}
@@ -521,16 +581,15 @@ func (s *PublicBlockChainAPI) doCall(ctx context.Context, args CallArgs, blockNr
 	if state == nil || err != nil {
 		return nil, common.Big0, err
 	}
-
 	// Set sender address or use a default if none specified
 	addr := args.From
 	if addr == (common.Address{}) {
-		accounts := s.b.AccountManager().Accounts()
-		if len(accounts) > 0 {
-			addr = accounts[0].Address
+		if wallets := s.b.AccountManager().Wallets(); len(wallets) > 0 {
+			if accounts := wallets[0].Accounts(); len(accounts) > 0 {
+				addr = accounts[0].Address
+			}
 		}
 	}
-
 	// Set default gas & gas price if none were set
 	gas, gasPrice := args.Gas.ToInt(), args.GasPrice.ToInt()
 	if gas.BitLen() == 0 {
@@ -539,7 +598,6 @@ func (s *PublicBlockChainAPI) doCall(ctx context.Context, args CallArgs, blockNr
 	if gasPrice.BitLen() == 0 {
 		gasPrice = new(big.Int).Mul(big.NewInt(50), common.Shannon)
 	}
-
 	// Create new call message
 	msg := types.NewMessage(addr, args.To, 0, args.Value.ToInt(), gas, gasPrice, args.Data, false)
 
@@ -1032,11 +1090,19 @@ func (s *PublicTransactionPoolAPI) GetTransactionReceipt(txHash common.Hash) (ma
 
 // sign is a helper function that signs a transaction with the private key of the given address.
 func (s *PublicTransactionPoolAPI) sign(addr common.Address, tx *types.Transaction) (*types.Transaction, error) {
+	// Look up the wallet containing the requested signer
+	account := accounts.Account{Address: addr}
+
+	wallet, err := s.b.AccountManager().Find(account)
+	if err != nil {
+		return nil, err
+	}
+	// Request the wallet to sign the transaction
 	var chainID *big.Int
 	if config := s.b.ChainConfig(); config.IsEIP155(s.b.CurrentBlock().Number()) {
 		chainID = config.ChainId
 	}
-	return s.b.AccountManager().SignTx(accounts.Account{Address: addr}, tx, chainID)
+	return wallet.SignTx(account, tx, chainID)
 }
 
 // SendTxArgs represents the arguments to sumbit a new transaction into the transaction pool.
@@ -1101,16 +1167,25 @@ func submitTransaction(ctx context.Context, b Backend, tx *types.Transaction) (c
 // SendTransaction creates a transaction for the given argument, sign it and submit it to the
 // transaction pool.
 func (s *PublicTransactionPoolAPI) SendTransaction(ctx context.Context, args SendTxArgs) (common.Hash, error) {
+	// Set some sanity defaults and terminate on failure
 	if err := args.setDefaults(ctx, s.b); err != nil {
 		return common.Hash{}, err
 	}
+	// Look up the wallet containing the requested signer
+	account := accounts.Account{Address: args.From}
+
+	wallet, err := s.b.AccountManager().Find(account)
+	if err != nil {
+		return common.Hash{}, err
+	}
+	// Assemble the transaction and sign with the wallet
 	tx := args.toTransaction()
 
 	var chainID *big.Int
 	if config := s.b.ChainConfig(); config.IsEIP155(s.b.CurrentBlock().Number()) {
 		chainID = config.ChainId
 	}
-	signed, err := s.b.AccountManager().SignTx(accounts.Account{Address: args.From}, tx, chainID)
+	signed, err := wallet.SignTx(account, tx, chainID)
 	if err != nil {
 		return common.Hash{}, err
 	}
@@ -1154,7 +1229,15 @@ func (s *PublicTransactionPoolAPI) SendRawTransaction(ctx context.Context, encod
 //
 // https://github.com/ethereum/wiki/wiki/JSON-RPC#eth_sign
 func (s *PublicTransactionPoolAPI) Sign(addr common.Address, data hexutil.Bytes) (hexutil.Bytes, error) {
-	signature, err := s.b.AccountManager().SignHash(accounts.Account{Address: addr}, signHash(data))
+	// Look up the wallet containing the requested signer
+	account := accounts.Account{Address: addr}
+
+	wallet, err := s.b.AccountManager().Find(account)
+	if err != nil {
+		return nil, err
+	}
+	// Sign the requested hash with the wallet
+	signature, err := wallet.SignHash(account, signHash(data))
 	if err == nil {
 		signature[64] += 27 // Transform V from 0/1 to 27/28 according to the yellow paper
 	}
@@ -1200,7 +1283,7 @@ func (s *PublicTransactionPoolAPI) PendingTransactions() ([]*RPCTransaction, err
 			signer = types.NewEIP155Signer(tx.ChainId())
 		}
 		from, _ := types.Sender(signer, tx)
-		if s.b.AccountManager().HasAddress(from) {
+		if _, err := s.b.AccountManager().Find(accounts.Account{Address: from}); err == nil {
 			transactions = append(transactions, newRPCPendingTransaction(tx))
 		}
 	}