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#! /usr/bin/env python
from __future__ import absolute_import
'''Some helper functions for testing'''
import sys
import os
import time
import binascii
import pexpect
import random
import subprocess
import platform
from decimal import Decimal
from jmclient import (jm_single, Wallet, get_log, estimate_tx_fee,
BlockchainInterface, get_p2sh_vbyte)
from jmbase.support import chunks
import jmbitcoin as btc
log = get_log()
'''This code is intended to provide
subprocess startup cross-platform with
some useful options; it could do with
some simplification/improvement.'''
import platform
OS = platform.system()
PINL = '\r\n' if OS == 'Windows' else '\n'
class DummyBlockchainInterface(BlockchainInterface):
def __init__(self):
self.fake_query_results = None
self.qusfail = False
def sync_addresses(self, wallet):
pass
def sync_unspent(self, wallet):
pass
def add_tx_notify(self,
txd,
unconfirmfun,
confirmfun,
notifyaddr,
timeoutfun=None,
vb=None):
pass
def pushtx(self, txhex):
print("pushing: " + str(txhex))
return True
def insert_fake_query_results(self, fqr):
self.fake_query_results = fqr
def setQUSFail(self, state):
self.qusfail = state
def query_utxo_set(self, txouts,includeconf=False):
if self.qusfail:
#simulate failure to find the utxo
return [None]
if self.fake_query_results:
result = []
for x in self.fake_query_results:
for y in txouts:
if y == x['utxo']:
result.append(x)
return result
result = []
#external maker utxos
known_outs = {"03243f4a659e278a1333f8308f6aaf32db4692ee7df0340202750fd6c09150f6:1": "03a2d1cbe977b1feaf8d0d5cc28c686859563d1520b28018be0c2661cf1ebe4857",
"498faa8b22534f3b443c6b0ce202f31e12f21668b4f0c7a005146808f250d4c3:0": "02b4b749d54e96b04066b0803e372a43d6ffa16e75a001ae0ed4b235674ab286be",
"3f3ea820d706e08ad8dc1d2c392c98facb1b067ae4c671043ae9461057bd2a3c:1": "023bcbafb4f68455e0d1d117c178b0e82a84e66414f0987453d78da034b299c3a9"}
#our wallet utxos, faked, for podle tests: utxos are doctored (leading 'f'),
#and the lists are (amt, age)
wallet_outs = {'f34b635ed8891f16c4ec5b8236ae86164783903e8e8bb47fa9ef2ca31f3c2d7a:0': [10000000, 2],
'f780d6e5e381bff01a3519997bb4fcba002493103a198fde334fd264f9835d75:1': [20000000, 6],
'fe574db96a4d43a99786b3ea653cda9e4388f377848f489332577e018380cff1:0': [50000000, 3],
'fd9711a2ef340750db21efb761f5f7d665d94b312332dc354e252c77e9c48349:0': [50000000, 6]}
if includeconf and set(txouts).issubset(set(wallet_outs)):
#includeconf used as a trigger for a podle check;
#here we simulate a variety of amount/age returns
results = []
for to in txouts:
results.append({'value': wallet_outs[to][0],
'confirms': wallet_outs[to][1]})
return results
if txouts[0] in known_outs:
return [{'value': 200000000,
'address': btc.pubkey_to_p2sh_p2wpkh_address(
known_outs[txouts[0]], get_p2sh_vbyte()),
'confirms': 20}]
for t in txouts:
result_dict = {'value': 10000000000,
'address': "mrcNu71ztWjAQA6ww9kHiW3zBWSQidHXTQ"}
if includeconf:
result_dict['confirms'] = 20
result.append(result_dict)
return result
def estimate_fee_per_kb(self, N):
return 30000
class TestWallet(Wallet):
"""Implementation of wallet
that allows passing in a password
for removal of command line interrupt.
"""
def __init__(self,
seedarg,
max_mix_depth=2,
gaplimit=6,
extend_mixdepth=False,
storepassword=False,
pwd=None):
self.given_pwd = pwd
super(TestWallet, self).__init__(seedarg,
max_mix_depth,
gaplimit,
extend_mixdepth,
storepassword)
def read_wallet_file_data(self, filename):
return super(TestWallet, self).read_wallet_file_data(
filename, self.given_pwd)
def make_sign_and_push(ins_full,
wallet,
amount,
output_addr=None,
change_addr=None,
hashcode=btc.SIGHASH_ALL,
estimate_fee = False):
"""Utility function for easily building transactions
from wallets
"""
total = sum(x['value'] for x in ins_full.values())
ins = ins_full.keys()
#random output address and change addr
output_addr = wallet.get_new_addr(1, 1) if not output_addr else output_addr
change_addr = wallet.get_new_addr(1, 0) if not change_addr else change_addr
fee_est = estimate_tx_fee(len(ins), 2) if estimate_fee else 10000
outs = [{'value': amount,
'address': output_addr}, {'value': total - amount - fee_est,
'address': change_addr}]
tx = btc.mktx(ins, outs)
de_tx = btc.deserialize(tx)
for index, ins in enumerate(de_tx['ins']):
utxo = ins['outpoint']['hash'] + ':' + str(ins['outpoint']['index'])
addr = ins_full[utxo]['address']
priv = wallet.get_key_from_addr(addr)
if index % 2:
priv = binascii.unhexlify(priv)
tx = btc.sign(tx, index, priv, hashcode=hashcode)
#pushtx returns False on any error
print btc.deserialize(tx)
push_succeed = jm_single().bc_interface.pushtx(tx)
if push_succeed:
return btc.txhash(tx)
else:
return False
def make_wallets(n,
wallet_structures=None,
mean_amt=1,
sdev_amt=0,
start_index=0,
fixed_seeds=None,
test_wallet=False,
passwords=None):
'''n: number of wallets to be created
wallet_structure: array of n arrays , each subarray
specifying the number of addresses to be populated with coins
at each depth (for now, this will only populate coins into 'receive' addresses)
mean_amt: the number of coins (in btc units) in each address as above
sdev_amt: if randomness in amouts is desired, specify here.
Returns: a dict of dicts of form {0:{'seed':seed,'wallet':Wallet object},1:..,}
Default Wallet constructor is joinmarket.Wallet, else use TestWallet,
which takes a password parameter as in the list passwords.
'''
if len(wallet_structures) != n:
raise Exception("Number of wallets doesn't match wallet structures")
if not fixed_seeds:
seeds = chunks(binascii.hexlify(os.urandom(15 * n)), 15 * 2)
else:
seeds = fixed_seeds
wallets = {}
for i in range(n):
if test_wallet:
w = Wallet(seeds[i], passwords[i], max_mix_depth=5)
else:
w = Wallet(seeds[i], None, max_mix_depth=5)
wallets[i + start_index] = {'seed': seeds[i],
'wallet': w}
for j in range(5):
for k in range(wallet_structures[i][j]):
deviation = sdev_amt * random.random()
amt = mean_amt - sdev_amt / 2.0 + deviation
if amt < 0: amt = 0.001
amt = float(Decimal(amt).quantize(Decimal(10)**-8))
jm_single().bc_interface.grab_coins(
wallets[i + start_index]['wallet'].get_external_addr(j),
amt)
#reset the index so the coins can be seen if running in same script
wallets[i + start_index]['wallet'].index[j][0] -= wallet_structures[i][j]
return wallets
def interact(process, inputs, expected):
if len(inputs) != len(expected):
raise Exception("Invalid inputs to interact()")
for i, inp in enumerate(inputs):
process.expect(expected[i])
process.sendline(inp)