SomberNight

Instructions for retrieving your wallet files from Android.

Warnings:

• deleting the Android app deletes the wallet files
• rooting your phone might format userspace, hence delete the wallet files

Below procedure has been tested on

• an unrooted phone running Android 8.0; Electrum version 3.0.2.0 from Google Play
• an unrooted phone running Android 8.1; Electrum version 3.1.3.0 from Google Play

SomberNight

#!/usr/bin/env python3

# tested with electrum 3.0.2

#import lib as electrum
import electrum

unsigned_raw_tx = '0100000001c3152b4707eaf16f068252d50425a3cedb0d207f922099c616f1ebcdd130e811000000005701ff4c53ff0488b21e0000000000000000003a6ac92f44bf918a9ed289b207b5b61a488ea9e04ea3dffd5acf18952fb0a1bd03edbbe79975e4758645e8ecc08a0c1dba2493806edf7b5569e3b1db4d5087a6e500000200fdffffff0240420f00000000001976a914b5d5cddb29e97ce5c0885de7cd7a21397ceba4c788ac64d73c00000000001976a91438ad3c4c411410b49fb9ad46d936d08da76708f388acad241300'

tx = electrum.transaction.Transaction(unsigned_raw_tx)

SomberNight

#!/usr/bin/python3

import os
import copy
import imp

#imp.load_source('electrum', './electrum')
import electrum
from electrum import bitcoin

SomberNight

GPG key
0xAF5E5ED9
0xE7B748CDAF5E5ED9
4AD64339DFA05E20B3F6AD51E7B748CDAF5E5ED9
4AD6 4339 DFA0 5E20 B3F6 AD51 E7B7 48CD AF5E 5ED9


-----BEGIN PGP PUBLIC KEY BLOCK-----

mQINBFq/xaYBEADLjN4eABFUTJH0OGRE6mtfPz4J2WYU8B3VI0KSKnqSNwGKm6MP

SomberNight

# uncompyle6 version 3.1.3
# Python bytecode 3.5 (3351)
# Decompiled from: Python 3.5.3 (default, Jan 19 2017, 14:11:04) 
# [GCC 6.3.0 20170118]
# Embedded file name: site-packages\electrum-4.0.2-py3.5.egg\electrum\keystore.py
import base64, random, threading, requests, time
from unicodedata import normalize
from . import bitcoin
from .bitcoin import *
from . import constants

SomberNight

Keybase proof

I hereby claim:

• I am SomberNight on github.
• I am ghost43 (https://keybase.io/ghost43) on keybase.
• I have a public key whose fingerprint is 4AD6 4339 DFA0 5E20 B3F6 AD51 E7B7 48CD AF5E 5ED9

To claim this, I am signing this object:

SomberNight

# note: for good perfomance, have pycryptodome installed
# (about 20x faster than pyaes for this).
# for ref, it takes about 60 seconds to scan the whole domain for me with pycryptodome.

import electrum
from electrum.wallet import Wallet
from electrum.storage import WalletStorage

storage = WalletStorage('path_to_wallet_file')
wallet = Wallet(storage)

SomberNight

from electrum import bitcoin

xpub1 = 'xpub661MyMwAqRbcEcF8odLPZvkWA3xi9ptJqzfzzFFmvNcRtnGb2wzKgVCNN8i1uAwa6kwXLgG7atobaSoExfhpxDfuQp3FfSKPWcocLxKJyk9'
xtype, depth, fingerprint, child_number, c, K_or_k = bitcoin.deserialize_xkey(xpub1, False)
xpub2 = bitcoin.serialize_xpub('p2wpkh-p2sh', c, K_or_k, depth, fingerprint, child_number)
print(xpub2)

SomberNight

from electrum.storage import WalletStorage
from electrum.wallet import Wallet

#from electrum import constants
#constants.set_testnet()

storage = WalletStorage('/home/user/.electrum/testnet/wallets/default_wallet')
wallet = Wallet(storage)
wallet.change_gap_limit(200)
wallet.gap_limit_for_change = 200

SomberNight

import electrum
from electrum import bip32

initial_xprv = '.......'  # TODO fill in
target_xtype = 'p2wpkh'   # TODO change?

_, depth, fingerprint, child_number, c, cK = bip32.deserialize_xprv(initial_xprv)
target_xprv = bip32.serialize_xprv(target_xtype, c, cK, depth, fingerprint, child_number)

print(target_xprv)