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electrum
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wallet: when sweeping, do network reqs in parallel, and don't block GUI

master
SomberNight 5 years ago
parent
40a51cc090
commit
7bcb59ffb5
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3 changed files with 68 additions and 42 deletions
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  1. 22
      electrum/gui/qt/main_window.py
  2. 5
      electrum/tests/test_wallet_vertical.py
  3. 83
      electrum/wallet.py

22
electrum/gui/qt/main_window.py
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@ -2841,15 +2841,19 @@ class ElectrumWindow(QMainWindow, MessageBoxMixin, Logger):
except InternalAddressCorruption as e:
self.show_error(str(e))
raise
try:
coins, keypairs = sweep_preparations(get_pk(), self.network)
except Exception as e: # FIXME too broad...
self.show_message(repr(e))
return
scriptpubkey = bfh(bitcoin.address_to_script(addr))
outputs = [PartialTxOutput(scriptpubkey=scriptpubkey, value='!')]
self.warn_if_watching_only()
self.pay_onchain_dialog(coins, outputs, external_keypairs=keypairs)
privkeys = get_pk()
def on_success(result):
coins, keypairs = result
outputs = [PartialTxOutput.from_address_and_value(addr, value='!')]
self.warn_if_watching_only()
self.pay_onchain_dialog(coins, outputs, external_keypairs=keypairs)
def on_failure(exc_info):
self.on_error(exc_info)
msg = _('Preparing sweep transaction...')
task = lambda: self.network.run_from_another_thread(
sweep_preparations(privkeys, self.network))
WaitingDialog(self, msg, task, on_success, on_failure)
def _do_import(self, title, header_layout, func):
text = text_dialog(self, title, header_layout, _('Import'), allow_multi=True)

5
electrum/tests/test_wallet_vertical.py
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@ -1404,6 +1404,11 @@ class TestWalletSending(TestCaseForTestnet):
return [{'tx_hash': 'ac24de8b58e826f60bd7b9ba31670bdfc3e8aedb2f28d0e91599d741569e3429', 'tx_pos': 1, 'height': 1325785, 'value': 1000000}]
else:
return []
async def get_transaction(self, txid):
if txid == "ac24de8b58e826f60bd7b9ba31670bdfc3e8aedb2f28d0e91599d741569e3429":
return "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"
else:
raise Exception("unexpected txid")
privkeys = ['93NQ7CFbwTPyKDJLXe97jczw33fiLijam2SCZL3Uinz1NSbHrTu', ]
network = NetworkMock()

83
electrum/wallet.py
View File

@ -43,6 +43,8 @@ from typing import TYPE_CHECKING, List, Optional, Tuple, Union, NamedTuple, Sequ
from abc import ABC, abstractmethod
import itertools
from aiorpcx import TaskGroup
from .i18n import _
from .bip32 import BIP32Node, convert_bip32_intpath_to_strpath, convert_bip32_path_to_list_of_uint32
from .crypto import sha256
@ -92,64 +94,79 @@ TX_STATUS = [
]
def _append_utxos_to_inputs(inputs: List[PartialTxInput], network: 'Network', pubkey, txin_type, imax):
async def _append_utxos_to_inputs(*, inputs: List[PartialTxInput], network: 'Network',
pubkey: str, txin_type: str, imax: int) -> None:
if txin_type in ('p2pkh', 'p2wpkh', 'p2wpkh-p2sh'):
address = bitcoin.pubkey_to_address(txin_type, pubkey)
scripthash = bitcoin.address_to_scripthash(address)
elif txin_type == 'p2pk':
script = bitcoin.public_key_to_p2pk_script(pubkey)
scripthash = bitcoin.script_to_scripthash(script)
address = None
else:
raise Exception(f'unexpected txin_type to sweep: {txin_type}')
u = network.run_from_another_thread(network.listunspent_for_scripthash(scripthash))
for item in u:
if len(inputs) >= imax:
break
async def append_single_utxo(item):
prev_tx_raw = await network.get_transaction(item['tx_hash'])
prev_tx = Transaction(prev_tx_raw)
prev_txout = prev_tx.outputs()[item['tx_pos']]
if scripthash != bitcoin.script_to_scripthash(prev_txout.scriptpubkey.hex()):
raise Exception('scripthash mismatch when sweeping')
prevout_str = item['tx_hash'] + ':%d' % item['tx_pos']
prevout = TxOutpoint.from_str(prevout_str)
utxo = PartialTxInput(prevout=prevout)
utxo._trusted_value_sats = int(item['value'])
utxo._trusted_address = address
utxo.block_height = int(item['height'])
utxo.script_type = txin_type
utxo.pubkeys = [bfh(pubkey)]
utxo.num_sig = 1
txin = PartialTxInput(prevout=prevout)
txin.utxo = prev_tx
txin.block_height = int(item['height'])
txin.script_type = txin_type
txin.pubkeys = [bfh(pubkey)]
txin.num_sig = 1
if txin_type == 'p2wpkh-p2sh':
utxo.redeem_script = bfh(bitcoin.p2wpkh_nested_script(pubkey))
inputs.append(utxo)
txin.redeem_script = bfh(bitcoin.p2wpkh_nested_script(pubkey))
inputs.append(txin)
u = await network.listunspent_for_scripthash(scripthash)
async with TaskGroup() as group:
for item in u:
if len(inputs) >= imax:
break
await group.spawn(append_single_utxo(item))
def sweep_preparations(privkeys, network: 'Network', imax=100):
def find_utxos_for_privkey(txin_type, privkey, compressed):
async def sweep_preparations(privkeys, network: 'Network', imax=100):
async def find_utxos_for_privkey(txin_type, privkey, compressed):
pubkey = ecc.ECPrivkey(privkey).get_public_key_hex(compressed=compressed)
_append_utxos_to_inputs(inputs, network, pubkey, txin_type, imax)
await _append_utxos_to_inputs(
inputs=inputs,
network=network,
pubkey=pubkey,
txin_type=txin_type,
imax=imax)
keypairs[pubkey] = privkey, compressed
inputs = [] # type: List[PartialTxInput]
keypairs = {}
for sec in privkeys:
txin_type, privkey, compressed = bitcoin.deserialize_privkey(sec)
find_utxos_for_privkey(txin_type, privkey, compressed)
# do other lookups to increase support coverage
if is_minikey(sec):
# minikeys don't have a compressed byte
# we lookup both compressed and uncompressed pubkeys
find_utxos_for_privkey(txin_type, privkey, not compressed)
elif txin_type == 'p2pkh':
# WIF serialization does not distinguish p2pkh and p2pk
# we also search for pay-to-pubkey outputs
find_utxos_for_privkey('p2pk', privkey, compressed)
async with TaskGroup() as group:
for sec in privkeys:
txin_type, privkey, compressed = bitcoin.deserialize_privkey(sec)
await group.spawn(find_utxos_for_privkey(txin_type, privkey, compressed))
# do other lookups to increase support coverage
if is_minikey(sec):
# minikeys don't have a compressed byte
# we lookup both compressed and uncompressed pubkeys
await group.spawn(find_utxos_for_privkey(txin_type, privkey, not compressed))
elif txin_type == 'p2pkh':
# WIF serialization does not distinguish p2pkh and p2pk
# we also search for pay-to-pubkey outputs
await group.spawn(find_utxos_for_privkey('p2pk', privkey, compressed))
if not inputs:
raise Exception(_('No inputs found. (Note that inputs need to be confirmed)'))
# FIXME actually inputs need not be confirmed now, see https://github.com/kyuupichan/electrumx/issues/365
raise Exception(_('No inputs found.'))
return inputs, keypairs
def sweep(privkeys, *, network: 'Network', config: 'SimpleConfig',
to_address: str, fee: int = None, imax=100,
locktime=None, tx_version=None) -> PartialTransaction:
inputs, keypairs = sweep_preparations(privkeys, network, imax)
inputs, keypairs = network.run_from_another_thread(sweep_preparations(privkeys, network, imax))
total = sum(txin.value_sats() for txin in inputs)
if fee is None:
outputs = [PartialTxOutput(scriptpubkey=bfh(bitcoin.address_to_script(to_address)),

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