electrum

Electrum Bitcoin wallet
git clone https://git.parazyd.org/electrum
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commit f8f00188ed36aabde056596c4a00009ae29f6f7f
parent 064fdaca2d2c2513f4ea845c413b02cfb60a272e
Author: ThomasV <thomasv@electrum.org>
Date:   Thu, 22 Mar 2018 12:18:59 +0100

Merge pull request #4148 from SomberNight/hw_wallet_output_ismine_der

trezor/keepkey/dbb: provide derivation info for all is_mine txn outputs
Diffstat:
Mlib/wallet.py | 2+-
Mplugins/keepkey/plugin.py | 111+++++++++++++++++++++++++++++++++++++++++++++++++------------------------------
Mplugins/ledger/ledger.py | 3++-
Mplugins/trezor/trezor.py | 114++++++++++++++++++++++++++++++++++++++++++++++++++-----------------------------
4 files changed, 144 insertions(+), 86 deletions(-)

diff --git a/lib/wallet.py b/lib/wallet.py @@ -1444,7 +1444,7 @@ class Abstract_Wallet(PrintError): xpubs = self.get_master_public_keys() for txout in tx.outputs(): _type, addr, amount = txout - if self.is_change(addr): + if self.is_mine(addr): index = self.get_address_index(addr) pubkeys = self.get_public_keys(addr) # sort xpubs using the order of pubkeys diff --git a/plugins/keepkey/plugin.py b/plugins/keepkey/plugin.py @@ -303,56 +303,83 @@ class KeepKeyCompatiblePlugin(HW_PluginBase): return inputs def tx_outputs(self, derivation, tx, segwit=False): + + def create_output_by_derivation(info): + index, xpubs, m = info + if len(xpubs) == 1: + script_type = self.types.PAYTOP2SHWITNESS if segwit else self.types.PAYTOADDRESS + address_n = self.client_class.expand_path(derivation + "/%d/%d" % index) + txoutputtype = self.types.TxOutputType( + amount=amount, + script_type=script_type, + address_n=address_n, + ) + else: + script_type = self.types.PAYTOP2SHWITNESS if segwit else self.types.PAYTOMULTISIG + address_n = self.client_class.expand_path("/%d/%d" % index) + nodes = map(self.ckd_public.deserialize, xpubs) + pubkeys = [self.types.HDNodePathType(node=node, address_n=address_n) for node in nodes] + multisig = self.types.MultisigRedeemScriptType( + pubkeys=pubkeys, + signatures=[b''] * len(pubkeys), + m=m) + txoutputtype = self.types.TxOutputType( + multisig=multisig, + amount=amount, + address_n=self.client_class.expand_path(derivation + "/%d/%d" % index), + script_type=script_type) + return txoutputtype + + def create_output_by_address(): + txoutputtype = self.types.TxOutputType() + txoutputtype.amount = amount + if _type == TYPE_SCRIPT: + txoutputtype.script_type = self.types.PAYTOOPRETURN + txoutputtype.op_return_data = address[2:] + elif _type == TYPE_ADDRESS: + if is_segwit_address(address): + txoutputtype.script_type = self.types.PAYTOWITNESS + else: + addrtype, hash_160 = b58_address_to_hash160(address) + if addrtype == constants.net.ADDRTYPE_P2PKH: + txoutputtype.script_type = self.types.PAYTOADDRESS + elif addrtype == constants.net.ADDRTYPE_P2SH: + txoutputtype.script_type = self.types.PAYTOSCRIPTHASH + else: + raise BaseException('addrtype: ' + str(addrtype)) + txoutputtype.address = address + return txoutputtype + + def is_any_output_on_change_branch(): + for _type, address, amount in tx.outputs(): + info = tx.output_info.get(address) + if info is not None: + index, xpubs, m = info + if index[0] == 1: + return True + return False + outputs = [] has_change = False + any_output_on_change_branch = is_any_output_on_change_branch() for _type, address, amount in tx.outputs(): + use_create_by_derivation = False + info = tx.output_info.get(address) if info is not None and not has_change: - has_change = True # no more than one change address - addrtype, hash_160 = b58_address_to_hash160(address) index, xpubs, m = info - if len(xpubs) == 1: - script_type = self.types.PAYTOP2SHWITNESS if segwit else self.types.PAYTOADDRESS - address_n = self.client_class.expand_path(derivation + "/%d/%d"%index) - txoutputtype = self.types.TxOutputType( - amount = amount, - script_type = script_type, - address_n = address_n, - ) - else: - script_type = self.types.PAYTOP2SHWITNESS if segwit else self.types.PAYTOMULTISIG - address_n = self.client_class.expand_path("/%d/%d"%index) - nodes = map(self.ckd_public.deserialize, xpubs) - pubkeys = [ self.types.HDNodePathType(node=node, address_n=address_n) for node in nodes] - multisig = self.types.MultisigRedeemScriptType( - pubkeys = pubkeys, - signatures = [b''] * len(pubkeys), - m = m) - txoutputtype = self.types.TxOutputType( - multisig = multisig, - amount = amount, - address_n = self.client_class.expand_path(derivation + "/%d/%d"%index), - script_type = script_type) + on_change_branch = index[0] == 1 + # prioritise hiding outputs on the 'change' branch from user + # because no more than one change address allowed + if on_change_branch == any_output_on_change_branch: + use_create_by_derivation = True + has_change = True + + if use_create_by_derivation: + txoutputtype = create_output_by_derivation(info) else: - txoutputtype = self.types.TxOutputType() - txoutputtype.amount = amount - if _type == TYPE_SCRIPT: - txoutputtype.script_type = self.types.PAYTOOPRETURN - txoutputtype.op_return_data = address[2:] - elif _type == TYPE_ADDRESS: - if is_segwit_address(address): - txoutputtype.script_type = self.types.PAYTOWITNESS - else: - addrtype, hash_160 = b58_address_to_hash160(address) - if addrtype == constants.net.ADDRTYPE_P2PKH: - txoutputtype.script_type = self.types.PAYTOADDRESS - elif addrtype == constants.net.ADDRTYPE_P2SH: - txoutputtype.script_type = self.types.PAYTOSCRIPTHASH - else: - raise BaseException('addrtype: ' + str(addrtype)) - txoutputtype.address = address - + txoutputtype = create_output_by_address() outputs.append(txoutputtype) return outputs diff --git a/plugins/ledger/ledger.py b/plugins/ledger/ledger.py @@ -377,7 +377,8 @@ class Ledger_KeyStore(Hardware_KeyStore): for _type, address, amount in tx.outputs(): assert _type == TYPE_ADDRESS info = tx.output_info.get(address) - if (info is not None) and (len(tx.outputs()) != 1): + if (info is not None) and len(tx.outputs()) > 1 \ + and info[0][0] == 1: # "is on 'change' branch" index, xpubs, m = info changePath = self.get_derivation()[2:] + "/%d/%d"%index changeAmount = amount diff --git a/plugins/trezor/trezor.py b/plugins/trezor/trezor.py @@ -380,56 +380,86 @@ class TrezorPlugin(HW_PluginBase): return inputs def tx_outputs(self, derivation, tx, script_gen=SCRIPT_GEN_LEGACY): + + def create_output_by_derivation(info): + index, xpubs, m = info + if len(xpubs) == 1: + if script_gen == SCRIPT_GEN_NATIVE_SEGWIT: + script_type = self.types.OutputScriptType.PAYTOWITNESS + elif script_gen == SCRIPT_GEN_P2SH_SEGWIT: + script_type = self.types.OutputScriptType.PAYTOP2SHWITNESS + else: + script_type = self.types.OutputScriptType.PAYTOADDRESS + address_n = self.client_class.expand_path(derivation + "/%d/%d" % index) + txoutputtype = self.types.TxOutputType( + amount=amount, + script_type=script_type, + address_n=address_n, + ) + else: + if script_gen == SCRIPT_GEN_NATIVE_SEGWIT: + script_type = self.types.OutputScriptType.PAYTOWITNESS + elif script_gen == SCRIPT_GEN_P2SH_SEGWIT: + script_type = self.types.OutputScriptType.PAYTOP2SHWITNESS + else: + script_type = self.types.OutputScriptType.PAYTOMULTISIG + address_n = self.client_class.expand_path("/%d/%d" % index) + nodes = map(self.ckd_public.deserialize, xpubs) + pubkeys = [self.types.HDNodePathType(node=node, address_n=address_n) for node in nodes] + multisig = self.types.MultisigRedeemScriptType( + pubkeys=pubkeys, + signatures=[b''] * len(pubkeys), + m=m) + txoutputtype = self.types.TxOutputType( + multisig=multisig, + amount=amount, + address_n=self.client_class.expand_path(derivation + "/%d/%d" % index), + script_type=script_type) + return txoutputtype + + def create_output_by_address(): + txoutputtype = self.types.TxOutputType() + txoutputtype.amount = amount + if _type == TYPE_SCRIPT: + txoutputtype.script_type = self.types.OutputScriptType.PAYTOOPRETURN + txoutputtype.op_return_data = address[2:] + elif _type == TYPE_ADDRESS: + txoutputtype.script_type = self.types.OutputScriptType.PAYTOADDRESS + txoutputtype.address = address + return txoutputtype + + def is_any_output_on_change_branch(): + for _type, address, amount in tx.outputs(): + info = tx.output_info.get(address) + if info is not None: + index, xpubs, m = info + if index[0] == 1: + return True + return False + outputs = [] has_change = False + any_output_on_change_branch = is_any_output_on_change_branch() for _type, address, amount in tx.outputs(): + use_create_by_derivation = False + info = tx.output_info.get(address) if info is not None and not has_change: - has_change = True # no more than one change address index, xpubs, m = info - if len(xpubs) == 1: - if script_gen == SCRIPT_GEN_NATIVE_SEGWIT: - script_type = self.types.OutputScriptType.PAYTOWITNESS - elif script_gen == SCRIPT_GEN_P2SH_SEGWIT: - script_type = self.types.OutputScriptType.PAYTOP2SHWITNESS - else: - script_type = self.types.OutputScriptType.PAYTOADDRESS - address_n = self.client_class.expand_path(derivation + "/%d/%d"%index) - txoutputtype = self.types.TxOutputType( - amount = amount, - script_type = script_type, - address_n = address_n, - ) - else: - if script_gen == SCRIPT_GEN_NATIVE_SEGWIT: - script_type = self.types.OutputScriptType.PAYTOWITNESS - elif script_gen == SCRIPT_GEN_P2SH_SEGWIT: - script_type = self.types.OutputScriptType.PAYTOP2SHWITNESS - else: - script_type = self.types.OutputScriptType.PAYTOMULTISIG - address_n = self.client_class.expand_path("/%d/%d"%index) - nodes = map(self.ckd_public.deserialize, xpubs) - pubkeys = [ self.types.HDNodePathType(node=node, address_n=address_n) for node in nodes] - multisig = self.types.MultisigRedeemScriptType( - pubkeys = pubkeys, - signatures = [b''] * len(pubkeys), - m = m) - txoutputtype = self.types.TxOutputType( - multisig = multisig, - amount = amount, - address_n = self.client_class.expand_path(derivation + "/%d/%d"%index), - script_type = script_type) + on_change_branch = index[0] == 1 + # prioritise hiding outputs on the 'change' branch from user + # because no more than one change address allowed + # note: ^ restriction can be removed once we require fw + # that has https://github.com/trezor/trezor-mcu/pull/306 + if on_change_branch == any_output_on_change_branch: + use_create_by_derivation = True + has_change = True + + if use_create_by_derivation: + txoutputtype = create_output_by_derivation(info) else: - txoutputtype = self.types.TxOutputType() - txoutputtype.amount = amount - if _type == TYPE_SCRIPT: - txoutputtype.script_type = self.types.OutputScriptType.PAYTOOPRETURN - txoutputtype.op_return_data = address[2:] - elif _type == TYPE_ADDRESS: - txoutputtype.script_type = self.types.OutputScriptType.PAYTOADDRESS - txoutputtype.address = address - + txoutputtype = create_output_by_address() outputs.append(txoutputtype) return outputs