X-Git-Url: https://git.novaco.in/?a=blobdiff_plain;f=lib%2Fwallet.py;h=3b68c2a20f917d11ecddcbcdc0fc136c655a2561;hb=e2717284eb01826f2251a8f91f8f0d2a2b06ab35;hp=53f0d41031f8e9ae36e1bdeb1ea39d24032b6023;hpb=38f5deee867f11db5fc3c82ecf632eb449376b1f;p=electrum-nvc.git diff --git a/lib/wallet.py b/lib/wallet.py index 53f0d41..3b68c2a 100644 --- a/lib/wallet.py +++ b/lib/wallet.py @@ -43,11 +43,10 @@ DUST_THRESHOLD = 5430 IMPORTED_ACCOUNT = '/x' - -class WalletStorage: +class WalletStorage(object): def __init__(self, config): - self.lock = threading.Lock() + self.lock = threading.RLock() self.config = config self.data = {} self.file_exists = False @@ -56,7 +55,6 @@ class WalletStorage: if self.path: self.read(self.path) - def init_path(self, config): """Set the path of the wallet.""" @@ -84,7 +82,6 @@ class WalletStorage: return new_path - def read(self, path): """Read the contents of the wallet file.""" try: @@ -100,12 +97,13 @@ class WalletStorage: self.data = d self.file_exists = True - def get(self, key, default=None): - v = self.data.get(key) - if v is None: - v = default - return v + + with self.lock: + v = self.data.get(key) + if v is None: + v = default + return v def put(self, key, value, save = True): @@ -127,12 +125,11 @@ class WalletStorage: os.chmod(self.path,stat.S_IREAD | stat.S_IWRITE) -class Abstract_Wallet: +class Abstract_Wallet(object): """ Wallet classes are created to handle various address generation methods. Completion states (watching-only, single account, no seed, etc) are handled inside classes. """ - def __init__(self, storage): self.storage = storage self.electrum_version = ELECTRUM_VERSION @@ -150,13 +147,11 @@ class Abstract_Wallet: self.history = storage.get('addr_history',{}) # address -> list(txid, height) self.fee = int(storage.get('fee_per_kb', 10000)) - self.master_public_keys = storage.get('master_public_keys',{}) self.master_private_keys = storage.get('master_private_keys', {}) self.next_addresses = storage.get('next_addresses',{}) - # This attribute is set when wallet.start_threads is called. self.synchronizer = None @@ -164,14 +159,14 @@ class Abstract_Wallet: self.transactions = {} tx_list = self.storage.get('transactions',{}) - for k,v in tx_list.items(): + for k, raw in tx_list.items(): try: - tx = Transaction(v) + tx = Transaction.deserialize(raw) except Exception: print_msg("Warning: Cannot deserialize transactions. skipping") continue - self.add_extra_addresses(tx) + self.add_pubkey_addresses(tx) self.transactions[k] = tx for h,tx in self.transactions.items(): @@ -179,7 +174,6 @@ class Abstract_Wallet: print_error("removing unreferenced tx", h) self.transactions.pop(h) - # not saved self.prevout_values = {} # my own transaction outputs self.spent_outputs = [] @@ -198,14 +192,18 @@ class Abstract_Wallet: for tx_hash, tx in self.transactions.items(): self.update_tx_outputs(tx_hash) - def add_extra_addresses(self, tx): - h = tx.hash() + def add_pubkey_addresses(self, tx): # find the address corresponding to pay-to-pubkey inputs - tx.add_extra_addresses(self.transactions) - for o in tx.d.get('outputs'): - if o.get('is_pubkey'): + h = tx.hash() + + # inputs + tx.add_pubkey_addresses(self.transactions) + + # outputs of tx: inputs of tx2 + for type, x, v in tx.outputs: + if type == 'pubkey': for tx2 in self.transactions.values(): - tx2.add_extra_addresses({h:tx}) + tx2.add_pubkey_addresses({h:tx}) def get_action(self): pass @@ -335,7 +333,6 @@ class Abstract_Wallet: return s[0] == 1 def get_address_index(self, address): - for account in self.accounts.keys(): for for_change in [0,1]: addresses = self.accounts[account].get_addresses(for_change) @@ -349,12 +346,6 @@ class Abstract_Wallet: raise Exception("Address not found", address) - def getpubkeys(self, addr): - assert is_valid(addr) and self.is_mine(addr) - account, sequence = self.get_address_index(addr) - a = self.accounts[account] - return a.get_pubkeys( sequence ) - def get_private_key(self, address, password): if self.is_watching_only(): return [] @@ -404,9 +395,7 @@ class Abstract_Wallet: break else: continue - - addr = account.get_address(*sequence) - pk = self.get_private_key(addr, password) + pk = account.get_private_key(sequence, self, password) for sec in pk: pubkey = public_key_from_private_key(sec) keypairs[pubkey] = sec @@ -463,7 +452,7 @@ class Abstract_Wallet: for tx_hash, tx in self.transactions.items(): is_relevant, is_send, _, _ = self.get_tx_value(tx) if is_send: - for addr, v in tx.outputs: + for addr in tx.get_output_addresses(): if not self.is_mine(addr) and addr not in self.addressbook: self.addressbook.append(addr) # redo labels @@ -472,7 +461,7 @@ class Abstract_Wallet: def get_num_tx(self, address): n = 0 for tx in self.transactions.values(): - if address in map(lambda x:x[0], tx.outputs): n += 1 + if address in tx.get_output_addresses(): n += 1 return n def get_address_flags(self, addr): @@ -487,7 +476,7 @@ class Abstract_Wallet: def update_tx_outputs(self, tx_hash): tx = self.transactions.get(tx_hash) - for i, (addr, value) in enumerate(tx.outputs): + for i, (addr, value) in enumerate(tx.get_outputs()): key = tx_hash+ ':%d'%i self.prevout_values[key] = value @@ -507,7 +496,7 @@ class Abstract_Wallet: tx = self.transactions.get(tx_hash) if not tx: continue - for i, (addr, value) in enumerate(tx.outputs): + for i, (addr, value) in enumerate(tx.get_outputs()): if addr == address: key = tx_hash + ':%d'%i received_coins.append(key) @@ -525,7 +514,7 @@ class Abstract_Wallet: if key in received_coins: v -= value - for i, (addr, value) in enumerate(tx.outputs): + for i, (addr, value) in enumerate(tx.get_outputs()): key = tx_hash + ':%d'%i if addr == address: v += value @@ -547,7 +536,7 @@ class Abstract_Wallet: def get_account_addresses(self, a, include_change=True): if a is None: - o = self.addresses(True) + o = self.addresses(include_change) elif a in self.accounts: ac = self.accounts[a] o = ac.get_addresses(0) @@ -579,10 +568,10 @@ class Abstract_Wallet: tx = self.transactions.get(tx_hash) if tx is None: raise Exception("Wallet not synchronized") is_coinbase = tx.inputs[0].get('prevout_hash') == '0'*64 - for o in tx.d.get('outputs'): - output = o.copy() - if output.get('address') != addr: continue - key = tx_hash + ":%d" % output.get('prevout_n') + for i, (address, value) in enumerate(tx.get_outputs()): + output = {'address':address, 'value':value, 'prevout_n':i} + if address != addr: continue + key = tx_hash + ":%d"%i if key in self.spent_outputs: continue output['prevout_hash'] = tx_hash output['height'] = tx_height @@ -651,7 +640,7 @@ class Abstract_Wallet: # Insert the change output at a random position in the outputs posn = random.randint(0, len(outputs)) - outputs[posn:posn] = [( change_addr, change_amount)] + outputs[posn:posn] = [( 'address', change_addr, change_amount)] return outputs def get_history(self, address): @@ -669,7 +658,7 @@ class Abstract_Wallet: def receive_tx_callback(self, tx_hash, tx, tx_height): with self.transaction_lock: - self.add_extra_addresses(tx) + self.add_pubkey_addresses(tx) if not self.check_new_tx(tx_hash, tx): # may happen due to pruning print_error("received transaction that is no longer referenced in history", tx_hash) @@ -746,8 +735,7 @@ class Abstract_Wallet: if tx: is_relevant, is_mine, _, _ = self.get_tx_value(tx) if is_mine: - for o in tx.outputs: - o_addr, _ = o + for o_addr in tx.get_output_addresses(): if not self.is_mine(o_addr): try: default_label = self.labels[o_addr] @@ -757,13 +745,11 @@ class Abstract_Wallet: else: default_label = '(internal)' else: - for o in tx.outputs: - o_addr, _ = o + for o_addr in tx.get_output_addresses(): if self.is_mine(o_addr) and not self.is_change(o_addr): break else: - for o in tx.outputs: - o_addr, _ = o + for o_addr in tx.get_output_addresses(): if self.is_mine(o_addr): break else: @@ -778,16 +764,19 @@ class Abstract_Wallet: return default_label def make_unsigned_transaction(self, outputs, fee=None, change_addr=None, domain=None, coins=None ): - for address, x in outputs: - assert is_valid(address), "Address " + address + " is invalid!" - amount = sum( map(lambda x:x[1], outputs) ) + for type, address, x in outputs: + if type == 'op_return': + continue + if type == 'address': + assert is_address(address), "Address " + address + " is invalid!" + amount = sum( map(lambda x:x[2], outputs) ) inputs, total, fee = self.choose_tx_inputs( amount, fee, len(outputs), domain, coins ) if not inputs: raise ValueError("Not enough funds") for txin in inputs: self.add_input_info(txin) outputs = self.add_tx_change(inputs, outputs, amount, fee, total, change_addr) - return Transaction.from_io(inputs, outputs) + return Transaction(inputs, outputs) def mktx(self, outputs, password, fee=None, change_addr=None, domain= None, coins = None ): tx = self.make_unsigned_transaction(outputs, fee, change_addr, domain, coins) @@ -801,9 +790,13 @@ class Abstract_Wallet: address = txin['address'] account_id, sequence = self.get_address_index(address) account = self.accounts[account_id] - redeemScript = account.redeem_script(sequence) - txin['x_pubkeys'] = account.get_xpubkeys(sequence) - txin['pubkeys'] = pubkeys = account.get_pubkeys(sequence) + redeemScript = account.redeem_script(*sequence) + pubkeys = account.get_pubkeys(*sequence) + x_pubkeys = account.get_xpubkeys(*sequence) + # sort pubkeys and x_pubkeys, using the order of pubkeys + pubkeys, x_pubkeys = zip( *sorted(zip(pubkeys, x_pubkeys))) + txin['pubkeys'] = list(pubkeys) + txin['x_pubkeys'] = list(x_pubkeys) txin['signatures'] = [None] * len(pubkeys) if redeemScript: @@ -932,7 +925,7 @@ class Abstract_Wallet: print_error("new history is orphaning transaction:", tx_hash) # check that all outputs are not mine, request histories ext_requests = [] - for _addr, _v in tx.outputs: + for _addr in tx.get_output_addresses(): # assert not self.is_mine(_addr) ext_requests.append( ('blockchain.address.get_history', [_addr]) ) @@ -1058,6 +1051,7 @@ class Imported_Wallet(Abstract_Wallet): def is_beyond_limit(self, address, account, is_change): return False + class Deterministic_Wallet(Abstract_Wallet): def __init__(self, storage): @@ -1139,11 +1133,15 @@ class Deterministic_Wallet(Abstract_Wallet): if n > nmax: nmax = n return nmax + 1 - def create_new_address(self, account, for_change): + def create_new_address(self, account=None, for_change=0): + if account is None: + account = self.default_account() address = account.create_new_address(for_change) self.history[address] = [] - self.synchronizer.add(address) + if self.synchronizer: + self.synchronizer.add(address) self.save_accounts() + return address def synchronize_sequence(self, account, for_change): limit = self.gap_limit_for_change if for_change else self.gap_limit @@ -1247,24 +1245,34 @@ class Deterministic_Wallet(Abstract_Wallet): return False prev_addresses = prev_addresses[max(0, i - limit):] for addr in prev_addresses: - if self.address_is_old(addr): + if self.history.get(addr): return False return True + def get_action(self): + if not self.get_master_public_key(): + return 'create_seed' + if not self.accounts: + return 'create_accounts' + class NewWallet(Deterministic_Wallet): def __init__(self, storage): Deterministic_Wallet.__init__(self, storage) + def default_account(self): + return self.accounts["m/0'"] + def is_watching_only(self): - return self.master_private_keys is {} + return not bool(self.master_private_keys) def can_create_accounts(self): return 'm/' in self.master_private_keys.keys() def get_master_public_key(self): - return self.master_public_keys["m/"] + """xpub of the main account""" + return self.master_public_keys.get("m/0'") def get_master_public_keys(self): out = {} @@ -1303,7 +1311,8 @@ class NewWallet(Deterministic_Wallet): def create_accounts(self, password): # First check the password is valid (this raises if it isn't). - self.check_password(password) + if not self.is_watching_only(): + self.check_password(password) self.create_account('Main account', password) def add_master_public_key(self, name, xpub): @@ -1401,13 +1410,16 @@ class Wallet_2of2(NewWallet): NewWallet.__init__(self, storage) self.storage.put('wallet_type', '2of2', True) + def default_account(self): + return self.accounts['m/'] + def can_create_accounts(self): return False def can_import(self): return False - def create_account(self): + def create_account(self, name, password): xpub1 = self.master_public_keys.get("m/") xpub2 = self.master_public_keys.get("cold/") account = BIP32_Account_2of2({'xpub':xpub1, 'xpub2':xpub2}) @@ -1422,9 +1434,11 @@ class Wallet_2of2(NewWallet): xpub1 = self.master_public_keys.get("m/") xpub2 = self.master_public_keys.get("cold/") if xpub1 is None: - return 'create_2of2_1' + return 'create_seed' if xpub2 is None: - return 'create_2of2_2' + return 'add_cosigner' + if not self.accounts: + return 'create_accounts' class Wallet_2of3(Wallet_2of2): @@ -1434,7 +1448,7 @@ class Wallet_2of3(Wallet_2of2): Wallet_2of2.__init__(self, storage) self.storage.put('wallet_type', '2of3', True) - def create_account(self): + def create_account(self, name, password): xpub1 = self.master_public_keys.get("m/") xpub2 = self.master_public_keys.get("cold/") xpub3 = self.master_public_keys.get("remote/") @@ -1451,17 +1465,19 @@ class Wallet_2of3(Wallet_2of2): xpub1 = self.master_public_keys.get("m/") xpub2 = self.master_public_keys.get("cold/") xpub3 = self.master_public_keys.get("remote/") - # fixme: we use order of creation - if xpub2 and xpub1 is None: - return 'create_2fa_2' if xpub1 is None: - return 'create_2of3_1' + return 'create_seed' if xpub2 is None or xpub3 is None: - return 'create_2of3_2' + return 'add_two_cosigners' + if not self.accounts: + return 'create_accounts' class OldWallet(Deterministic_Wallet): + def default_account(self): + return self.accounts[0] + def make_seed(self): import mnemonic seed = random_seed(128) @@ -1535,20 +1551,18 @@ class Wallet(object): def __new__(self, storage): config = storage.config - if config.get('bitkey', False): - # if user requested support for Bitkey device, - # import Bitkey driver - from wallet_bitkey import WalletBitkey - return WalletBitkey(config) - - if storage.get('wallet_type') == '2of2': - return Wallet_2of2(storage) - - if storage.get('wallet_type') == '2of3': - return Wallet_2of3(storage) - if storage.get('wallet_type') == 'imported': - return Imported_Wallet(storage) + self.wallet_types = [ + ('standard', ("Standard wallet"), NewWallet if config.get('bip32') else OldWallet), + ('imported', ("Imported wallet"), Imported_Wallet), + ('2of2', ("Multisig wallet (2 of 2)"), Wallet_2of2), + ('2of3', ("Multisig wallet (2 of 3)"), Wallet_2of3) + ] + run_hook('add_wallet_types', self.wallet_types) + + for t, l, WalletClass in self.wallet_types: + if t == storage.get('wallet_type'): + return WalletClass(storage) if not storage.file_exists: seed_version = NEW_SEED_VERSION if config.get('bip32') is True else OLD_SEED_VERSION