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kevacoin/test/functional/wallet.py

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#!/usr/bin/env python3
# Copyright (c) 2014-2016 The Bitcoin Core developers
# Distributed under the MIT software license, see the accompanying
# file COPYING or http://www.opensource.org/licenses/mit-license.php.
"""Test the wallet."""
from test_framework.test_framework import BitcoinTestFramework
from test_framework.util import *
class WalletTest(BitcoinTestFramework):
def set_test_params(self):
self.num_nodes = 4
self.setup_clean_chain = True
def setup_network(self):
self.add_nodes(4)
self.start_node(0)
self.start_node(1)
self.start_node(2)
connect_nodes_bi(self.nodes,0,1)
connect_nodes_bi(self.nodes,1,2)
connect_nodes_bi(self.nodes,0,2)
self.sync_all([self.nodes[0:3]])
def check_fee_amount(self, curr_balance, balance_with_fee, fee_per_byte, tx_size):
"""Return curr_balance after asserting the fee was in range"""
fee = balance_with_fee - curr_balance
assert_fee_amount(fee, tx_size, fee_per_byte * 1000)
return curr_balance
def run_test(self):
# Check that there's no UTXO on none of the nodes
assert_equal(len(self.nodes[0].listunspent()), 0)
assert_equal(len(self.nodes[1].listunspent()), 0)
assert_equal(len(self.nodes[2].listunspent()), 0)
self.log.info("Check for mempoolminfee in getmempoolinfo")
assert_equal(self.nodes[0].getmempoolinfo()['mempoolminfee'], Decimal('0.00001000'))
self.log.info("Mining blocks...")
self.nodes[0].generate(1)
walletinfo = self.nodes[0].getwalletinfo()
assert_equal(walletinfo['immature_balance'], 50)
assert_equal(walletinfo['balance'], 0)
self.sync_all([self.nodes[0:3]])
self.nodes[1].generate(101)
self.sync_all([self.nodes[0:3]])
assert_equal(self.nodes[0].getbalance(), 50)
assert_equal(self.nodes[1].getbalance(), 50)
assert_equal(self.nodes[2].getbalance(), 0)
# Check that only first and second nodes have UTXOs
utxos = self.nodes[0].listunspent()
assert_equal(len(utxos), 1)
assert_equal(len(self.nodes[1].listunspent()), 1)
assert_equal(len(self.nodes[2].listunspent()), 0)
self.log.info("test gettxout")
confirmed_txid, confirmed_index = utxos[0]["txid"], utxos[0]["vout"]
# First, outputs that are unspent both in the chain and in the
# mempool should appear with or without include_mempool
txout = self.nodes[0].gettxout(txid=confirmed_txid, n=confirmed_index, include_mempool=False)
assert_equal(txout['value'], 50)
txout = self.nodes[0].gettxout(txid=confirmed_txid, n=confirmed_index, include_mempool=True)
assert_equal(txout['value'], 50)
# Send 21 BTC from 0 to 2 using sendtoaddress call.
# Locked memory should use at least 32 bytes to sign each transaction
self.log.info("test getmemoryinfo")
memory_before = self.nodes[0].getmemoryinfo()
self.nodes[0].sendtoaddress(self.nodes[2].getnewaddress(), 11)
mempool_txid = self.nodes[0].sendtoaddress(self.nodes[2].getnewaddress(), 10)
memory_after = self.nodes[0].getmemoryinfo()
assert(memory_before['locked']['used'] + 64 <= memory_after['locked']['used'])
self.log.info("test gettxout (second part)")
# utxo spent in mempool should be visible if you exclude mempool
# but invisible if you include mempool
txout = self.nodes[0].gettxout(confirmed_txid, confirmed_index, False)
assert_equal(txout['value'], 50)
txout = self.nodes[0].gettxout(confirmed_txid, confirmed_index, True)
assert txout is None
# new utxo from mempool should be invisible if you exclude mempool
# but visible if you include mempool
txout = self.nodes[0].gettxout(mempool_txid, 0, False)
assert txout is None
txout1 = self.nodes[0].gettxout(mempool_txid, 0, True)
txout2 = self.nodes[0].gettxout(mempool_txid, 1, True)
# note the mempool tx will have randomly assigned indices
# but 10 will go to node2 and the rest will go to node0
balance = self.nodes[0].getbalance()
assert_equal(set([txout1['value'], txout2['value']]), set([10, balance]))
walletinfo = self.nodes[0].getwalletinfo()
assert_equal(walletinfo['immature_balance'], 0)
# Have node0 mine a block, thus it will collect its own fee.
self.nodes[0].generate(1)
self.sync_all([self.nodes[0:3]])
# Exercise locking of unspent outputs
unspent_0 = self.nodes[2].listunspent()[0]
unspent_0 = {"txid": unspent_0["txid"], "vout": unspent_0["vout"]}
assert_raises_rpc_error(-8, "Invalid parameter, expected locked output", self.nodes[2].lockunspent, True, [unspent_0])
self.nodes[2].lockunspent(False, [unspent_0])
assert_raises_rpc_error(-8, "Invalid parameter, output already locked", self.nodes[2].lockunspent, False, [unspent_0])
assert_raises_rpc_error(-4, "Insufficient funds", self.nodes[2].sendtoaddress, self.nodes[2].getnewaddress(), 20)
assert_equal([unspent_0], self.nodes[2].listlockunspent())
self.nodes[2].lockunspent(True, [unspent_0])
assert_equal(len(self.nodes[2].listlockunspent()), 0)
assert_raises_rpc_error(-8, "Invalid parameter, unknown transaction",
self.nodes[2].lockunspent, False,
[{"txid": "0000000000000000000000000000000000", "vout": 0}])
assert_raises_rpc_error(-8, "Invalid parameter, vout index out of bounds",
self.nodes[2].lockunspent, False,
[{"txid": unspent_0["txid"], "vout": 999}])
# Have node1 generate 100 blocks (so node0 can recover the fee)
self.nodes[1].generate(100)
self.sync_all([self.nodes[0:3]])
# node0 should end up with 100 btc in block rewards plus fees, but
# minus the 21 plus fees sent to node2
assert_equal(self.nodes[0].getbalance(), 100-21)
assert_equal(self.nodes[2].getbalance(), 21)
# Node0 should have two unspent outputs.
# Create a couple of transactions to send them to node2, submit them through
# node1, and make sure both node0 and node2 pick them up properly:
node0utxos = self.nodes[0].listunspent(1)
assert_equal(len(node0utxos), 2)
# create both transactions
txns_to_send = []
for utxo in node0utxos:
inputs = []
outputs = {}
inputs.append({ "txid" : utxo["txid"], "vout" : utxo["vout"]})
outputs[self.nodes[2].getnewaddress("from1")] = utxo["amount"] - 3
raw_tx = self.nodes[0].createrawtransaction(inputs, outputs)
txns_to_send.append(self.nodes[0].signrawtransaction(raw_tx))
# Have node 1 (miner) send the transactions
self.nodes[1].sendrawtransaction(txns_to_send[0]["hex"], True)
self.nodes[1].sendrawtransaction(txns_to_send[1]["hex"], True)
# Have node1 mine a block to confirm transactions:
self.nodes[1].generate(1)
self.sync_all([self.nodes[0:3]])
assert_equal(self.nodes[0].getbalance(), 0)
assert_equal(self.nodes[2].getbalance(), 94)
assert_equal(self.nodes[2].getbalance("from1"), 94-21)
# Verify that a spent output cannot be locked anymore
spent_0 = {"txid": node0utxos[0]["txid"], "vout": node0utxos[0]["vout"]}
assert_raises_rpc_error(-8, "Invalid parameter, expected unspent output", self.nodes[0].lockunspent, False, [spent_0])
# Send 10 BTC normal
address = self.nodes[0].getnewaddress("test")
fee_per_byte = Decimal('0.001') / 1000
self.nodes[2].settxfee(fee_per_byte * 1000)
txid = self.nodes[2].sendtoaddress(address, 10, "", "", False)
self.nodes[2].generate(1)
self.sync_all([self.nodes[0:3]])
node_2_bal = self.check_fee_amount(self.nodes[2].getbalance(), Decimal('84'), fee_per_byte, count_bytes(self.nodes[2].getrawtransaction(txid)))
assert_equal(self.nodes[0].getbalance(), Decimal('10'))
# Send 10 BTC with subtract fee from amount
txid = self.nodes[2].sendtoaddress(address, 10, "", "", True)
self.nodes[2].generate(1)
self.sync_all([self.nodes[0:3]])
node_2_bal -= Decimal('10')
assert_equal(self.nodes[2].getbalance(), node_2_bal)
node_0_bal = self.check_fee_amount(self.nodes[0].getbalance(), Decimal('20'), fee_per_byte, count_bytes(self.nodes[2].getrawtransaction(txid)))
# Sendmany 10 BTC
txid = self.nodes[2].sendmany('from1', {address: 10}, 0, "", [])
self.nodes[2].generate(1)
self.sync_all([self.nodes[0:3]])
node_0_bal += Decimal('10')
node_2_bal = self.check_fee_amount(self.nodes[2].getbalance(), node_2_bal - Decimal('10'), fee_per_byte, count_bytes(self.nodes[2].getrawtransaction(txid)))
assert_equal(self.nodes[0].getbalance(), node_0_bal)
# Sendmany 10 BTC with subtract fee from amount
txid = self.nodes[2].sendmany('from1', {address: 10}, 0, "", [address])
self.nodes[2].generate(1)
self.sync_all([self.nodes[0:3]])
node_2_bal -= Decimal('10')
assert_equal(self.nodes[2].getbalance(), node_2_bal)
node_0_bal = self.check_fee_amount(self.nodes[0].getbalance(), node_0_bal + Decimal('10'), fee_per_byte, count_bytes(self.nodes[2].getrawtransaction(txid)))
# Test ResendWalletTransactions:
# Create a couple of transactions, then start up a fourth
# node (nodes[3]) and ask nodes[0] to rebroadcast.
# EXPECT: nodes[3] should have those transactions in its mempool.
txid1 = self.nodes[0].sendtoaddress(self.nodes[1].getnewaddress(), 1)
txid2 = self.nodes[1].sendtoaddress(self.nodes[0].getnewaddress(), 1)
sync_mempools(self.nodes[0:2])
self.start_node(3)
connect_nodes_bi(self.nodes, 0, 3)
sync_blocks(self.nodes)
relayed = self.nodes[0].resendwallettransactions()
assert_equal(set(relayed), {txid1, txid2})
sync_mempools(self.nodes)
assert(txid1 in self.nodes[3].getrawmempool())
# Exercise balance rpcs
assert_equal(self.nodes[0].getwalletinfo()["unconfirmed_balance"], 1)
assert_equal(self.nodes[0].getunconfirmedbalance(), 1)
#check if we can list zero value tx as available coins
#1. create rawtx
#2. hex-changed one output to 0.0
#3. sign and send
#4. check if recipient (node0) can list the zero value tx
usp = self.nodes[1].listunspent()
inputs = [{"txid":usp[0]['txid'], "vout":usp[0]['vout']}]
outputs = {self.nodes[1].getnewaddress(): 49.998, self.nodes[0].getnewaddress(): 11.11}
rawTx = self.nodes[1].createrawtransaction(inputs, outputs).replace("c0833842", "00000000") #replace 11.11 with 0.0 (int32)
decRawTx = self.nodes[1].decoderawtransaction(rawTx)
signedRawTx = self.nodes[1].signrawtransaction(rawTx)
decRawTx = self.nodes[1].decoderawtransaction(signedRawTx['hex'])
zeroValueTxid= decRawTx['txid']
self.nodes[1].sendrawtransaction(signedRawTx['hex'])
self.sync_all()
self.nodes[1].generate(1) #mine a block
self.sync_all()
unspentTxs = self.nodes[0].listunspent() #zero value tx must be in listunspents output
found = False
for uTx in unspentTxs:
if uTx['txid'] == zeroValueTxid:
found = True
assert_equal(uTx['amount'], Decimal('0'))
assert(found)
#do some -walletbroadcast tests
self.stop_nodes()
self.start_node(0, ["-walletbroadcast=0"])
self.start_node(1, ["-walletbroadcast=0"])
self.start_node(2, ["-walletbroadcast=0"])
connect_nodes_bi(self.nodes,0,1)
connect_nodes_bi(self.nodes,1,2)
connect_nodes_bi(self.nodes,0,2)
self.sync_all([self.nodes[0:3]])
txIdNotBroadcasted = self.nodes[0].sendtoaddress(self.nodes[2].getnewaddress(), 2)
txObjNotBroadcasted = self.nodes[0].gettransaction(txIdNotBroadcasted)
self.nodes[1].generate(1) #mine a block, tx should not be in there
self.sync_all([self.nodes[0:3]])
assert_equal(self.nodes[2].getbalance(), node_2_bal) #should not be changed because tx was not broadcasted
#now broadcast from another node, mine a block, sync, and check the balance
self.nodes[1].sendrawtransaction(txObjNotBroadcasted['hex'])
self.nodes[1].generate(1)
self.sync_all([self.nodes[0:3]])
node_2_bal += 2
txObjNotBroadcasted = self.nodes[0].gettransaction(txIdNotBroadcasted)
assert_equal(self.nodes[2].getbalance(), node_2_bal)
#create another tx
txIdNotBroadcasted = self.nodes[0].sendtoaddress(self.nodes[2].getnewaddress(), 2)
#restart the nodes with -walletbroadcast=1
self.stop_nodes()
self.start_node(0)
self.start_node(1)
self.start_node(2)
connect_nodes_bi(self.nodes,0,1)
connect_nodes_bi(self.nodes,1,2)
connect_nodes_bi(self.nodes,0,2)
sync_blocks(self.nodes[0:3])
self.nodes[0].generate(1)
sync_blocks(self.nodes[0:3])
node_2_bal += 2
#tx should be added to balance because after restarting the nodes tx should be broadcastet
assert_equal(self.nodes[2].getbalance(), node_2_bal)
#send a tx with value in a string (PR#6380 +)
txId = self.nodes[0].sendtoaddress(self.nodes[2].getnewaddress(), "2")
txObj = self.nodes[0].gettransaction(txId)
assert_equal(txObj['amount'], Decimal('-2'))
txId = self.nodes[0].sendtoaddress(self.nodes[2].getnewaddress(), "0.0001")
txObj = self.nodes[0].gettransaction(txId)
assert_equal(txObj['amount'], Decimal('-0.0001'))
#check if JSON parser can handle scientific notation in strings
txId = self.nodes[0].sendtoaddress(self.nodes[2].getnewaddress(), "1e-4")
txObj = self.nodes[0].gettransaction(txId)
assert_equal(txObj['amount'], Decimal('-0.0001'))
# This will raise an exception because the amount type is wrong
assert_raises_rpc_error(-3, "Invalid amount", self.nodes[0].sendtoaddress, self.nodes[2].getnewaddress(), "1f-4")
# This will raise an exception since generate does not accept a string
assert_raises_rpc_error(-1, "not an integer", self.nodes[0].generate, "2")
# Import address and private key to check correct behavior of spendable unspents
# 1. Send some coins to generate new UTXO
address_to_import = self.nodes[2].getnewaddress()
txid = self.nodes[0].sendtoaddress(address_to_import, 1)
self.nodes[0].generate(1)
self.sync_all([self.nodes[0:3]])
# 2. Import address from node2 to node1
self.nodes[1].importaddress(address_to_import)
# 3. Validate that the imported address is watch-only on node1
assert(self.nodes[1].validateaddress(address_to_import)["iswatchonly"])
# 4. Check that the unspents after import are not spendable
assert_array_result(self.nodes[1].listunspent(),
{"address": address_to_import},
{"spendable": False})
# 5. Import private key of the previously imported address on node1
priv_key = self.nodes[2].dumpprivkey(address_to_import)
self.nodes[1].importprivkey(priv_key)
# 6. Check that the unspents are now spendable on node1
assert_array_result(self.nodes[1].listunspent(),
{"address": address_to_import},
{"spendable": True})
# Mine a block from node0 to an address from node1
cbAddr = self.nodes[1].getnewaddress()
blkHash = self.nodes[0].generatetoaddress(1, cbAddr)[0]
cbTxId = self.nodes[0].getblock(blkHash)['tx'][0]
self.sync_all([self.nodes[0:3]])
# Check that the txid and balance is found by node1
self.nodes[1].gettransaction(cbTxId)
# check if wallet or blockchain maintenance changes the balance
self.sync_all([self.nodes[0:3]])
blocks = self.nodes[0].generate(2)
self.sync_all([self.nodes[0:3]])
balance_nodes = [self.nodes[i].getbalance() for i in range(3)]
block_count = self.nodes[0].getblockcount()
# Check modes:
# - True: unicode escaped as \u....
# - False: unicode directly as UTF-8
for mode in [True, False]:
self.nodes[0].ensure_ascii = mode
# unicode check: Basic Multilingual Plane, Supplementary Plane respectively
for s in [u'рыба', u'𝅘𝅥𝅯']:
addr = self.nodes[0].getaccountaddress(s)
label = self.nodes[0].getaccount(addr)
assert_equal(label, s)
assert(s in self.nodes[0].listaccounts().keys())
self.nodes[0].ensure_ascii = True # restore to default
# maintenance tests
maintenance = [
'-rescan',
'-reindex',
'-zapwallettxes=1',
'-zapwallettxes=2',
# disabled until issue is fixed: https://github.com/bitcoin/bitcoin/issues/7463
# '-salvagewallet',
]
chainlimit = 6
for m in maintenance:
self.log.info("check " + m)
self.stop_nodes()
# set lower ancestor limit for later
self.start_node(0, [m, "-limitancestorcount="+str(chainlimit)])
self.start_node(1, [m, "-limitancestorcount="+str(chainlimit)])
self.start_node(2, [m, "-limitancestorcount="+str(chainlimit)])
while m == '-reindex' and [block_count] * 3 != [self.nodes[i].getblockcount() for i in range(3)]:
# reindex will leave rpc warm up "early"; Wait for it to finish
time.sleep(0.1)
assert_equal(balance_nodes, [self.nodes[i].getbalance() for i in range(3)])
# Exercise listsinceblock with the last two blocks
coinbase_tx_1 = self.nodes[0].listsinceblock(blocks[0])
assert_equal(coinbase_tx_1["lastblock"], blocks[1])
assert_equal(len(coinbase_tx_1["transactions"]), 1)
assert_equal(coinbase_tx_1["transactions"][0]["blockhash"], blocks[1])
assert_equal(len(self.nodes[0].listsinceblock(blocks[1])["transactions"]), 0)
# ==Check that wallet prefers to use coins that don't exceed mempool limits =====
# Get all non-zero utxos together
chain_addrs = [self.nodes[0].getnewaddress(), self.nodes[0].getnewaddress()]
singletxid = self.nodes[0].sendtoaddress(chain_addrs[0], self.nodes[0].getbalance(), "", "", True)
self.nodes[0].generate(1)
node0_balance = self.nodes[0].getbalance()
# Split into two chains
rawtx = self.nodes[0].createrawtransaction([{"txid":singletxid, "vout":0}], {chain_addrs[0]:node0_balance/2-Decimal('0.01'), chain_addrs[1]:node0_balance/2-Decimal('0.01')})
signedtx = self.nodes[0].signrawtransaction(rawtx)
singletxid = self.nodes[0].sendrawtransaction(signedtx["hex"])
self.nodes[0].generate(1)
# Make a long chain of unconfirmed payments without hitting mempool limit
# Each tx we make leaves only one output of change on a chain 1 longer
# Since the amount to send is always much less than the outputs, we only ever need one output
# So we should be able to generate exactly chainlimit txs for each original output
sending_addr = self.nodes[1].getnewaddress()
txid_list = []
for i in range(chainlimit*2):
txid_list.append(self.nodes[0].sendtoaddress(sending_addr, Decimal('0.0001')))
assert_equal(self.nodes[0].getmempoolinfo()['size'], chainlimit*2)
assert_equal(len(txid_list), chainlimit*2)
# Without walletrejectlongchains, we will still generate a txid
# The tx will be stored in the wallet but not accepted to the mempool
extra_txid = self.nodes[0].sendtoaddress(sending_addr, Decimal('0.0001'))
assert(extra_txid not in self.nodes[0].getrawmempool())
assert(extra_txid in [tx["txid"] for tx in self.nodes[0].listtransactions()])
self.nodes[0].abandontransaction(extra_txid)
total_txs = len(self.nodes[0].listtransactions("*",99999))
# Try with walletrejectlongchains
# Double chain limit but require combining inputs, so we pass SelectCoinsMinConf
self.stop_node(0)
self.start_node(0, extra_args=["-walletrejectlongchains", "-limitancestorcount="+str(2*chainlimit)])
# wait for loadmempool
timeout = 10
while (timeout > 0 and len(self.nodes[0].getrawmempool()) < chainlimit*2):
time.sleep(0.5)
timeout -= 0.5
assert_equal(len(self.nodes[0].getrawmempool()), chainlimit*2)
node0_balance = self.nodes[0].getbalance()
# With walletrejectlongchains we will not create the tx and store it in our wallet.
assert_raises_rpc_error(-4, "Transaction has too long of a mempool chain", self.nodes[0].sendtoaddress, sending_addr, node0_balance - Decimal('0.01'))
# Verify nothing new in wallet
assert_equal(total_txs, len(self.nodes[0].listtransactions("*",99999)))
if __name__ == '__main__':
WalletTest().main()