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("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 getbalance with different arguments
assert_equal(self.nodes[0].getbalance("*"), 50)
assert_equal(self.nodes[0].getbalance("*", 1), 50)
assert_equal(self.nodes[0].getbalance("*", 1, True), 50)
assert_equal(self.nodes[0].getbalance(minconf=1), 50)
# first argument of getbalance must be excluded or set to "*"
assert_raises_rpc_error(-32, "dummy first argument must be excluded or set to \"*\"",
self.nodes[0].getbalance, "")
# 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 BCH 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, "txid must be of length 64 (not 34, for '0000000000000000000000000000000000')",
self.nodes[2].lockunspent, False,
[{"txid": "0000000000000000000000000000000000", "vout": 0}])
assert_raises_rpc_error(-8, "txid must be hexadecimal string (not 'ZZZ0000000000000000000000000000000000000000000000000000000000000')",
self.nodes[2].lockunspent, False,
[{"txid": "ZZZ0000000000000000000000000000000000000000000000000000000000000", "vout": 0}])
assert_raises_rpc_error(-8, "Invalid parameter, unknown transaction",
self.nodes[2].lockunspent, False,
[{"txid": "0000000000000000000000000000000000000000000000000000000000000000", "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()] = utxo["amount"] - 3
raw_tx = self.nodes[0].createrawtransaction(inputs, outputs)
txns_to_send.append(
self.nodes[0].signrawtransactionwithwallet(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)
# 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 BCH normal
old_balance = self.nodes[2].getbalance()
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]])
ctx = FromHex(CTransaction(), self.nodes[2].getrawtransaction(txid))
node_2_bal = self.check_fee_amount(self.nodes[2].getbalance(), old_balance - Decimal('10'),
fee_per_byte, ctx.billable_size())
assert_equal(self.nodes[0].getbalance(), Decimal('10'))
# Send 10 BCH 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 BCH
txid = self.nodes[2].sendmany('', {address: 10}, 0, "", [])
self.nodes[2].generate(1)
self.sync_all([self.nodes[0:3]])
node_0_bal += Decimal('10')
ctx = FromHex(CTransaction(), self.nodes[2].getrawtransaction(txid))
node_2_bal = self.check_fee_amount(self.nodes[2].getbalance(
), node_2_bal - Decimal('10'), fee_per_byte, ctx.billable_size())
assert_equal(self.nodes[0].getbalance(), node_0_bal)
# Sendmany 10 BCH with subtract fee from amount
txid = self.nodes[2].sendmany('', {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)
ctx = FromHex(CTransaction(), self.nodes[2].getrawtransaction(txid))
node_0_bal = self.check_fee_amount(self.nodes[0].getbalance(
), node_0_bal + Decimal('10'), fee_per_byte, ctx.billable_size())
# 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], self.nodes[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].signrawtransactionwithwallet(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()
# zero value tx must be in listunspents output
unspentTxs = self.nodes[0].listunspent()
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], self.nodes[1])
connect_nodes_bi(self.nodes[1], self.nodes[2])
connect_nodes_bi(self.nodes[0], self.nodes[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]])
# should not be changed because tx was not broadcasted
assert_equal(self.nodes[2].getbalance(), node_2_bal)
# 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], self.nodes[1])
connect_nodes_bi(self.nodes[1], self.nodes[2])
connect_nodes_bi(self.nodes[0], self.nodes[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 broadcasted
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].getaddressinfo(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].rpc.ensure_ascii = mode
# unicode check: Basic Multilingual Plane, Supplementary Plane
# respectively
for label in [u'ббаБаА', u'№
Ё']:
addr = self.nodes[0].getnewaddress()
self.nodes[0].setlabel(addr, label)
assert_equal(self.nodes[0].getaddressinfo(
addr)['label'], label)
assert(label in self.nodes[0].listlabels())
# restore to default
self.nodes[0].rpc.ensure_ascii = True
# 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)])
if m == '-reindex':
# reindex will leave rpc warm up "early"; Wait for it to finish
wait_until(lambda: [block_count] * 3 ==
[self.nodes[i].getblockcount() for i in range(3)])
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 li
# 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].signrawtransactionwithwallet(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)))
# Test getaddressinfo on external address. Note that these addresses
# are taken from disablewallet.py
assert_raises_rpc_error(-5, "Invalid address",
self.nodes[0].getaddressinfo, "3J98t1WpEZ73CNmQviecrnyiWrnqRhWNLy")
address_info = self.nodes[0].getaddressinfo(
"mneYUmWYsuk7kySiURxCi3AGxrAqZxLgPZ")
assert_equal(address_info['address'],
"bchreg:qp8rs4qyd3aazk22eyzwg7fmdfzmxm02pywavdajx4")
assert_equal(address_info["scriptPubKey"],
"76a9144e3854046c7bd1594ac904e4793b6a45b36dea0988ac")
assert not address_info["ismine"]
assert not address_info["iswatchonly"]
assert not address_info["isscript"]
assert not address_info["ischange"]
# Test getaddressinfo 'ischange' field on change address.
self.nodes[0].generate(1)
destination = self.nodes[1].getnewaddress()
txid = self.nodes[0].sendtoaddress(destination, 0.123)
tx = self.nodes[0].decoderawtransaction(
self.nodes[0].getrawtransaction(txid))
output_addresses = [vout['scriptPubKey']['addresses'][0]
for vout in tx["vout"]]
assert len(output_addresses) > 1
for address in output_addresses:
ischange = self.nodes[0].getaddressinfo(address)['ischange']
assert_equal(ischange, address != destination)
if ischange:
change = address
self.nodes[0].setlabel(change, 'foobar')
assert_equal(self.nodes[0].getaddressinfo(change)['ischange'], False)
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("Mining blocks...")
self.nodes[0].generate(1)
walletinfo = self.nodes[0].getwalletinfo()
assert_equal(walletinfo['immature_balance'], SUBSIDY)
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(), SUBSIDY)
assert_equal(self.nodes[1].getbalance(), SUBSIDY)
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'], SUBSIDY)
txout = self.nodes[0].gettxout(
txid=confirmed_txid, n=confirmed_index, include_mempool=True)
assert_equal(txout['value'], SUBSIDY)
# Send 110 Lotus from 0 to 2 using sendtoaddress call.
self.nodes[0].sendtoaddress(self.nodes[2].getnewaddress(), Decimal('110'))
mempool_txid = self.nodes[0].sendtoaddress(
self.nodes[2].getnewaddress(), Decimal('100'))
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'], SUBSIDY)
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 100 Lotus will go to node2 and the rest will go to node0
balance = self.nodes[0].getbalance()
assert_equal(set([txout1['value'], txout2['value']]),
set([Decimal('100'), 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(), Decimal('200'))
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, "txid must be of length 64 (not 34, for '0000000000000000000000000000000000')",
self.nodes[2].lockunspent, False,
[{"txid": "0000000000000000000000000000000000", "vout": 0}])
assert_raises_rpc_error(-8, "txid must be hexadecimal string (not 'ZZZ0000000000000000000000000000000000000000000000000000000000000')",
self.nodes[2].lockunspent, False,
[{"txid": "ZZZ0000000000000000000000000000000000000000000000000000000000000", "vout": 0}])
assert_raises_rpc_error(-8, "Invalid parameter, unknown transaction",
self.nodes[2].lockunspent, False,
[{"txid": "0000000000000000000000000000000000000000000000000000000000000000", "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}])
# An output should be unlocked when spent
unspent_0 = self.nodes[1].listunspent()[0]
self.nodes[1].lockunspent(False, [unspent_0])
tx = self.nodes[1].createrawtransaction(
[unspent_0], {self.nodes[1].getnewaddress(): Decimal('100')})
tx = self.nodes[1].fundrawtransaction(tx)['hex']
tx = self.nodes[1].signrawtransactionwithwallet(tx)["hex"]
self.nodes[1].sendrawtransaction(tx)
assert_equal(len(self.nodes[1].listlockunspent()), 0)
# 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 520 Lotus in block rewards plus fees, but
# minus the 210 plus fees sent to node2 and the burnt fees.
burned_fees = Decimal('0.000225')
assert_equal(self.nodes[0].getbalance(), 2 * SUBSIDY - Decimal('210') - burned_fees)
assert_equal(self.nodes[2].getbalance(), Decimal('210'))
# 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()] = utxo["amount"] - Decimal('10')
raw_tx = self.nodes[0].createrawtransaction(inputs, outputs)
txns_to_send.append(
self.nodes[0].signrawtransactionwithwallet(raw_tx))
# Have node 1 (miner) send the transactions
self.nodes[1].sendrawtransaction(
hexstring=txns_to_send[0]["hex"], maxfeerate=0)
self.nodes[1].sendrawtransaction(
hexstring=txns_to_send[1]["hex"], maxfeerate=0)
# 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)
burned_fees = Decimal('0.000225')
assert_equal(self.nodes[2].getbalance(), 2 * SUBSIDY - Decimal('20') - burned_fees)
# 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 100 Lotus normal
old_balance = self.nodes[2].getbalance()
address = self.nodes[0].getnewaddress("test")
fee_per_byte = Decimal('0.1') / 1000
self.nodes[2].settxfee(fee_per_byte * 1000)
txid = self.nodes[2].sendtoaddress(address, Decimal('100'), "", "", False)
self.nodes[2].generate(1)
self.sync_all(self.nodes[0:3])
ctx = FromHex(CTransaction(),
self.nodes[2].gettransaction(txid)['hex'])
node_2_bal = self.check_fee_amount(self.nodes[2].getbalance(), old_balance - Decimal('100'),
fee_per_byte, ctx.billable_size())
assert_equal(self.nodes[0].getbalance(), Decimal('100'))
# Send 100 Lotus with subtract fee from amount
txid = self.nodes[2].sendtoaddress(address, Decimal('100'), "", "", True)
self.nodes[2].generate(1)
self.sync_all(self.nodes[0:3])
node_2_bal -= Decimal('100')
assert_equal(self.nodes[2].getbalance(), node_2_bal)
node_0_bal = self.check_fee_amount(self.nodes[0].getbalance(), Decimal('200'),
fee_per_byte, count_bytes(self.nodes[2].gettransaction(txid)['hex']))
# Sendmany 100 Lotus
txid = self.nodes[2].sendmany('', {address: Decimal('100')}, 0, "", [])
self.nodes[2].generate(1)
self.sync_all(self.nodes[0:3])
node_0_bal += Decimal('100')
ctx = FromHex(CTransaction(),
self.nodes[2].gettransaction(txid)['hex'])
node_2_bal = self.check_fee_amount(self.nodes[2].getbalance(
), node_2_bal - Decimal('100'), fee_per_byte, ctx.billable_size())
assert_equal(self.nodes[0].getbalance(), node_0_bal)
# Sendmany 100 Lotus with subtract fee from amount
txid = self.nodes[2].sendmany('', {address: Decimal('100')}, 0, "", [address])
self.nodes[2].generate(1)
self.sync_all(self.nodes[0:3])
node_2_bal -= Decimal('100')
assert_equal(self.nodes[2].getbalance(), node_2_bal)
ctx = FromHex(CTransaction(),
self.nodes[2].gettransaction(txid)['hex'])
node_0_bal = self.check_fee_amount(self.nodes[0].getbalance(
), node_0_bal + Decimal('100'), fee_per_byte, ctx.billable_size())
self.start_node(3, self.extra_args[3])
connect_nodes(self.nodes[0], self.nodes[3])
self.sync_all()
# check if we can list zero value tx as available coins
# 1. create raw_tx
# 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(
query_options={'minimumAmount': str(SUBSIDY - Decimal('0.2'))})[0]
inputs = [{"txid": usp['txid'], "vout": usp['vout']}]
outputs = {self.nodes[1].getnewaddress(): SUBSIDY - Decimal('0.2'),
self.nodes[0].getnewaddress(): Decimal('1111')}
rawTx = self.nodes[1].createrawtransaction(inputs, outputs).replace(
"c0833842", "00000000") # replace 1111 with 0.0 (int32)
signed_raw_tx = self.nodes[1].signrawtransactionwithwallet(rawTx)
decoded_raw_tx = self.nodes[1].decoderawtransaction(
signed_raw_tx['hex'])
zero_value_txid = decoded_raw_tx['txid']
self.nodes[1].sendrawtransaction(signed_raw_tx['hex'])
self.sync_all()
self.nodes[1].generate(1) # mine a block
self.sync_all()
# zero value tx must be in listunspents output
unspent_txs = self.nodes[0].listunspent()
found = False
for uTx in unspent_txs:
if uTx['txid'] == zero_value_txid:
found = True
assert_equal(uTx['amount'], Decimal('0'))
assert found
# do some -walletbroadcast tests
self.stop_nodes()
self.start_node(0, self.extra_args[0] + ["-walletbroadcast=0"])
self.start_node(1, self.extra_args[1] + ["-walletbroadcast=0"])
self.start_node(2, self.extra_args[2] + ["-walletbroadcast=0"])
connect_nodes(self.nodes[0], self.nodes[1])
connect_nodes(self.nodes[1], self.nodes[2])
connect_nodes(self.nodes[0], self.nodes[2])
self.sync_all(self.nodes[0:3])
txid_not_broadcast = self.nodes[0].sendtoaddress(
self.nodes[2].getnewaddress(), Decimal('20'))
tx_obj_not_broadcast = self.nodes[0].gettransaction(txid_not_broadcast)
self.nodes[1].generate(1) # mine a block, tx should not be in there
self.sync_all(self.nodes[0:3])
# should not be changed because tx was not broadcasted
assert_equal(self.nodes[2].getbalance(), node_2_bal)
# now broadcast from another node, mine a block, sync, and check the
# balance
self.nodes[1].sendrawtransaction(tx_obj_not_broadcast['hex'])
self.nodes[1].generate(1)
self.sync_all(self.nodes[0:3])
node_2_bal += Decimal('20')
tx_obj_not_broadcast = self.nodes[0].gettransaction(txid_not_broadcast)
assert_equal(self.nodes[2].getbalance(), node_2_bal)
# create another tx
txid_not_broadcast = self.nodes[0].sendtoaddress(
self.nodes[2].getnewaddress(), Decimal('20'))
# restart the nodes with -walletbroadcast=1
self.stop_nodes()
self.start_node(0, self.extra_args[0])
self.start_node(1, self.extra_args[1])
self.start_node(2, self.extra_args[2])
connect_nodes(self.nodes[0], self.nodes[1])
connect_nodes(self.nodes[1], self.nodes[2])
connect_nodes(self.nodes[0], self.nodes[2])
self.sync_blocks(self.nodes[0:3])
self.nodes[0].generate(1)
self.sync_blocks(self.nodes[0:3])
node_2_bal += Decimal('20')
# tx should be added to balance because after restarting the nodes tx
# should be broadcasted
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(), "200")
tx_obj = self.nodes[0].gettransaction(txid)
assert_equal(tx_obj['amount'], Decimal('-200'))
txid = self.nodes[0].sendtoaddress(
self.nodes[2].getnewaddress(), "0.01")
tx_obj = self.nodes[0].gettransaction(txid)
assert_equal(tx_obj['amount'], Decimal('-0.01'))
# check if JSON parser can handle scientific notation in strings
txid = self.nodes[0].sendtoaddress(
self.nodes[2].getnewaddress(), "1e-2")
tx_obj = self.nodes[0].gettransaction(txid)
assert_equal(tx_obj['amount'], Decimal('-0.01'))
# General checks for errors from incorrect inputs
# 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-2")
# This will raise an exception since generate does not accept a string
assert_raises_rpc_error(-1, "not an integer",
self.nodes[0].generate, "200")
# This will raise an exception for the invalid private key format
assert_raises_rpc_error(-5,
"Invalid private key encoding",
self.nodes[0].importprivkey,
"invalid")
# This will raise an exception for importing an address with the PS2H
# flag
temp_address = self.nodes[1].getnewaddress()
assert_raises_rpc_error(-5,
"Cannot use the p2sh flag with an address - use a script instead",
self.nodes[0].importaddress,
temp_address,
"label",
False,
True)
# This will raise an exception for attempting to dump the private key
# of an address you do not own
assert_raises_rpc_error(-4,
"Private key for address",
self.nodes[0].dumpprivkey,
temp_address)
# This will raise an exception for attempting to get the private key of
# an invalid Bitcoin address
assert_raises_rpc_error(-5,
"Invalid Bitcoin address",
self.nodes[0].dumpprivkey,
"invalid")
# This will raise an exception for attempting to set a label for an
# invalid Bitcoin address
assert_raises_rpc_error(-5,
"Invalid Bitcoin address",
self.nodes[0].setlabel,
"invalid address",
"label")
# This will raise an exception for importing an invalid address
assert_raises_rpc_error(-5,
"Invalid Bitcoin address or script",
self.nodes[0].importaddress,
"invalid")
# This will raise an exception for attempting to import a pubkey that
# isn't in hex
assert_raises_rpc_error(-5,
"Pubkey must be a hex string",
self.nodes[0].importpubkey,
"not hex")
# This will raise an exception for importing an invalid pubkey
assert_raises_rpc_error(-5,
"Pubkey is not a valid public key",
self.nodes[0].importpubkey,
"5361746f736869204e616b616d6f746f")
# 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].getaddressinfo(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
coinbase_addr = self.nodes[1].getnewaddress()
block_hash = self.nodes[0].generatetoaddress(1, coinbase_addr)[0]
coinbase_txid = self.nodes[0].getblock(block_hash)['tx'][0]
self.sync_all(self.nodes[0:3])
# Check that the txid and balance is found by node1
self.nodes[1].gettransaction(coinbase_txid)
# 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].rpc.ensure_ascii = mode
# unicode check: Basic Multilingual Plane, Supplementary Plane
# respectively
for label in [u'ббаБаА', u'№
Ё']:
addr = self.nodes[0].getnewaddress()
self.nodes[0].setlabel(addr, label)
test_address(self.nodes[0], addr, labels=[label])
assert label in self.nodes[0].listlabels()
# restore to default
self.nodes[0].rpc.ensure_ascii = True
# maintenance tests
maintenance = [
'-rescan',
'-reindex',
'-zapwallettxes=1',
'-zapwallettxes=2',
]
chainlimit = 6
for m in maintenance:
self.log.info("check " + m)
self.stop_nodes()
# set lower ancestor limit for later
self.start_node(
0, self.extra_args[0] + [m, "-limitancestorcount=" + str(chainlimit)])
self.start_node(
1, self.extra_args[1] + [m, "-limitancestorcount=" + str(chainlimit)])
self.start_node(
2, self.extra_args[2] + [m, "-limitancestorcount=" + str(chainlimit)])
if m == '-reindex':
# reindex will leave rpc warm up "early"; Wait for it to finish
wait_until(lambda: [block_count] * 3 ==
[self.nodes[i].getblockcount() for i in range(3)])
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 li
# 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('1'), chain_addrs[1]: node0_balance / 2 - Decimal('1')})
signedtx = self.nodes[0].signrawtransactionwithwallet(rawtx)
singletxid = self.nodes[0].sendrawtransaction(
hexstring=signedtx["hex"], maxfeerate=0)
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('0.01')))
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('0.01'))
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,
self.extra_args[0] + ["-walletrejectlongchains",
"-limitancestorcount=" + str(2 * chainlimit)])
# wait until the wallet has submitted all transactions to the mempool
wait_until(
lambda: 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('1'))
# Verify nothing new in wallet
assert_equal(total_txs, len(
self.nodes[0].listtransactions("*", 99999)))
# Test getaddressinfo on external address. Note that these addresses
# are taken from disablewallet.py
assert_raises_rpc_error(-5, "Invalid address",
self.nodes[0].getaddressinfo, "3J98t1WpEZ73CNmQviecrnyiWrnqRhWNLy")
address_info = self.nodes[0].getaddressinfo(
"mneYUmWYsuk7kySiURxCi3AGxrAqZxLgPZ")
assert_equal(address_info['address'],
"bchreg:qp8rs4qyd3aazk22eyzwg7fmdfzmxm02pywavdajx4")
assert_equal(address_info["scriptPubKey"],
"76a9144e3854046c7bd1594ac904e4793b6a45b36dea0988ac")
assert not address_info["ismine"]
assert not address_info["iswatchonly"]
assert not address_info["isscript"]
assert not address_info["ischange"]
# Test getaddressinfo 'ischange' field on change address.
self.nodes[0].generate(1)
destination = self.nodes[1].getnewaddress()
txid = self.nodes[0].sendtoaddress(destination, 0.123)
tx = self.nodes[0].decoderawtransaction(
self.nodes[0].gettransaction(txid)['hex'])
output_addresses = [vout['scriptPubKey']['addresses'][0]
for vout in tx["vout"]]
assert len(output_addresses) > 1
for address in output_addresses:
ischange = self.nodes[0].getaddressinfo(address)['ischange']
assert_equal(ischange, address != destination)
if ischange:
change = address
self.nodes[0].setlabel(change, 'foobar')
assert_equal(self.nodes[0].getaddressinfo(change)['ischange'], False)
# Test gettransaction response with different arguments.
self.log.info(
"Testing gettransaction response with different arguments...")
self.nodes[0].setlabel(change, 'baz')
baz = self.nodes[0].listtransactions(label="baz", count=1)[0]
expected_receive_vout = {"label": "baz",
"address": baz["address"],
"amount": baz["amount"],
"category": baz["category"],
"vout": baz["vout"]}
expected_fields = frozenset({'amount',
'confirmations',
'details',
'fee',
'hex',
'time',
'timereceived',
'trusted',
'txid',
'walletconflicts'})
verbose_field = "decoded"
expected_verbose_fields = expected_fields | {verbose_field}
self.log.debug("Testing gettransaction response without verbose")
tx = self.nodes[0].gettransaction(txid=txid)
assert_equal(set([*tx]), expected_fields)
assert_array_result(
tx["details"], {
"category": "receive"}, expected_receive_vout)
self.log.debug(
"Testing gettransaction response with verbose set to False")
tx = self.nodes[0].gettransaction(txid=txid, verbose=False)
assert_equal(set([*tx]), expected_fields)
assert_array_result(
tx["details"], {
"category": "receive"}, expected_receive_vout)
self.log.debug(
"Testing gettransaction response with verbose set to True")
tx = self.nodes[0].gettransaction(txid=txid, verbose=True)
assert_equal(set([*tx]), expected_verbose_fields)
assert_array_result(
tx["details"], {
"category": "receive"}, expected_receive_vout)
assert_equal(
tx[verbose_field],
self.nodes[0].decoderawtransaction(
tx["hex"]))
def run_test(self):
node = self.nodes[0]
self.log.info('Start with empty mempool, and 200 blocks')
self.mempool_size = 0
assert_equal(node.getblockcount(), 200)
assert_equal(node.getmempoolinfo()['size'], self.mempool_size)
coins = node.listunspent()
self.log.info('Should not accept garbage to testmempoolaccept')
assert_raises_rpc_error(
-3, 'Expected type array, got string',
lambda: node.testmempoolaccept(rawtxs='ff00baar'))
assert_raises_rpc_error(
-8, 'Array must contain exactly one raw transaction for now',
lambda: node.testmempoolaccept(rawtxs=['ff00baar', 'ff22']))
assert_raises_rpc_error(
-22, 'TX decode failed',
lambda: node.testmempoolaccept(rawtxs=['ff00baar']))
self.log.info('A transaction already in the blockchain')
# Pick a random coin(base) to spend
coin = coins.pop()
raw_tx_in_block = node.signrawtransactionwithwallet(
node.createrawtransaction(
inputs=[{
'txid': coin['txid'],
'vout': coin['vout']
}],
outputs=[{
node.getnewaddress(): 300000
}, {
node.getnewaddress(): 49000000
}],
))['hex']
txid_in_block = node.sendrawtransaction(hexstring=raw_tx_in_block,
maxfeerate=0)
node.generate(1)
self.mempool_size = 0
self.check_mempool_result(
result_expected=[{
'txid': txid_in_block,
'allowed': False,
'reject-reason': 'txn-already-known'
}],
rawtxs=[raw_tx_in_block],
)
self.log.info('A transaction not in the mempool')
fee = Decimal("7.00")
raw_tx_0 = node.signrawtransactionwithwallet(
node.createrawtransaction(
inputs=[{
"txid": txid_in_block,
"vout": 0,
"sequence": 0xfffffffd
}],
outputs=[{
node.getnewaddress(): Decimal(300_000) - fee
}],
))['hex']
tx = FromHex(CTransaction(), raw_tx_0)
txid_0 = tx.rehash()
self.check_mempool_result(
result_expected=[{
'txid': txid_0,
'allowed': True,
'size': tx.billable_size(),
'fees': {
'base': fee
}
}],
rawtxs=[raw_tx_0],
)
self.log.info('A final transaction not in the mempool')
# Pick a random coin(base) to spend
coin = coins.pop()
output_amount = Decimal(25_000)
raw_tx_final = node.signrawtransactionwithwallet(
node.createrawtransaction(
inputs=[{
'txid': coin['txid'],
'vout': coin['vout'],
"sequence": 0xffffffff
}], # SEQUENCE_FINAL
outputs=[{
node.getnewaddress(): output_amount
}],
locktime=node.getblockcount() + 2000, # Can be anything
))['hex']
tx = FromHex(CTransaction(), raw_tx_final)
fee_expected = coin['amount'] - output_amount
self.check_mempool_result(
result_expected=[{
'txid': tx.rehash(),
'allowed': True,
'size': tx.billable_size(),
'fees': {
'base': fee_expected
}
}],
rawtxs=[tx.serialize().hex()],
maxfeerate=0,
)
node.sendrawtransaction(hexstring=raw_tx_final, maxfeerate=0)
self.mempool_size += 1
self.log.info('A transaction in the mempool')
node.sendrawtransaction(hexstring=raw_tx_0)
self.mempool_size += 1
self.check_mempool_result(
result_expected=[{
'txid': txid_0,
'allowed': False,
'reject-reason': 'txn-already-in-mempool'
}],
rawtxs=[raw_tx_0],
)
# Removed RBF test
# self.log.info('A transaction that replaces a mempool transaction')
# ...
self.log.info('A transaction that conflicts with an unconfirmed tx')
# Send the transaction that conflicts with the mempool transaction
node.sendrawtransaction(hexstring=tx.serialize().hex(), maxfeerate=0)
# take original raw_tx_0
tx = FromHex(CTransaction(), raw_tx_0)
tx.vout[0].nValue -= int(4 * fee * XEC) # Set more fee
# skip re-signing the tx
self.check_mempool_result(
result_expected=[{
'txid': tx.rehash(),
'allowed': False,
'reject-reason': 'txn-mempool-conflict'
}],
rawtxs=[tx.serialize().hex()],
maxfeerate=0,
)
self.log.info('A transaction with missing inputs, that never existed')
tx = FromHex(CTransaction(), raw_tx_0)
tx.vin[0].prevout = COutPoint(hash=int('ff' * 32, 16), n=14)
# skip re-signing the tx
self.check_mempool_result(
result_expected=[{
'txid': tx.rehash(),
'allowed': False,
'reject-reason': 'missing-inputs'
}],
rawtxs=[ToHex(tx)],
)
self.log.info(
'A transaction with missing inputs, that existed once in the past')
tx = FromHex(CTransaction(), raw_tx_0)
# Set vout to 1, to spend the other outpoint (49 coins) of the
# in-chain-tx we want to double spend
tx.vin[0].prevout.n = 1
raw_tx_1 = node.signrawtransactionwithwallet(ToHex(tx))['hex']
txid_1 = node.sendrawtransaction(hexstring=raw_tx_1, maxfeerate=0)
# Now spend both to "clearly hide" the outputs, ie. remove the coins
# from the utxo set by spending them
raw_tx_spend_both = node.signrawtransactionwithwallet(
node.createrawtransaction(inputs=[
{
'txid': txid_0,
'vout': 0
},
{
'txid': txid_1,
'vout': 0
},
],
outputs=[{
node.getnewaddress(): 100000
}]))['hex']
txid_spend_both = node.sendrawtransaction(hexstring=raw_tx_spend_both,
maxfeerate=0)
node.generate(1)
self.mempool_size = 0
# Now see if we can add the coins back to the utxo set by sending the
# exact txs again
self.check_mempool_result(
result_expected=[{
'txid': txid_0,
'allowed': False,
'reject-reason': 'missing-inputs'
}],
rawtxs=[raw_tx_0],
)
self.check_mempool_result(
result_expected=[{
'txid': txid_1,
'allowed': False,
'reject-reason': 'missing-inputs'
}],
rawtxs=[raw_tx_1],
)
self.log.info('Create a signed "reference" tx for later use')
raw_tx_reference = node.signrawtransactionwithwallet(
node.createrawtransaction(
inputs=[{
'txid': txid_spend_both,
'vout': 0
}],
outputs=[{
node.getnewaddress(): 50000
}],
))['hex']
tx = FromHex(CTransaction(), raw_tx_reference)
# Reference tx should be valid on itself
self.check_mempool_result(
result_expected=[{
'txid': tx.rehash(),
'allowed': True,
'size': tx.billable_size(),
'fees': {
'base': Decimal(100_000 - 50_000)
}
}],
rawtxs=[ToHex(tx)],
maxfeerate=0,
)
self.log.info('A transaction with no outputs')
tx = FromHex(CTransaction(), raw_tx_reference)
tx.vout = []
# Skip re-signing the transaction for context independent checks from now on
# FromHex(tx, node.signrawtransactionwithwallet(ToHex(tx))['hex'])
self.check_mempool_result(
result_expected=[{
'txid': tx.rehash(),
'allowed': False,
'reject-reason': 'bad-txns-vout-empty'
}],
rawtxs=[ToHex(tx)],
)
self.log.info('A really large transaction')
tx = FromHex(CTransaction(), raw_tx_reference)
tx.vin = [tx.vin[0]
] * (1 + MAX_BLOCK_BASE_SIZE // len(tx.vin[0].serialize()))
self.check_mempool_result(
result_expected=[{
'txid': tx.rehash(),
'allowed': False,
'reject-reason': 'bad-txns-oversize'
}],
rawtxs=[ToHex(tx)],
)
self.log.info('A transaction with negative output value')
tx = FromHex(CTransaction(), raw_tx_reference)
tx.vout[0].nValue *= -1
self.check_mempool_result(
result_expected=[{
'txid': tx.rehash(),
'allowed': False,
'reject-reason': 'bad-txns-vout-negative'
}],
rawtxs=[ToHex(tx)],
)
# The following two validations prevent overflow of the output amounts
# (see CVE-2010-5139).
self.log.info('A transaction with too large output value')
tx = FromHex(CTransaction(), raw_tx_reference)
tx.vout[0].nValue = MAX_MONEY + 1
self.check_mempool_result(
result_expected=[{
'txid': tx.rehash(),
'allowed': False,
'reject-reason': 'bad-txns-vout-toolarge'
}],
rawtxs=[ToHex(tx)],
)
self.log.info('A transaction with too large sum of output values')
tx = FromHex(CTransaction(), raw_tx_reference)
tx.vout = [tx.vout[0]] * 2
tx.vout[0].nValue = MAX_MONEY
self.check_mempool_result(
result_expected=[{
'txid': tx.rehash(),
'allowed': False,
'reject-reason': 'bad-txns-txouttotal-toolarge'
}],
rawtxs=[ToHex(tx)],
)
self.log.info('A transaction with duplicate inputs')
tx = FromHex(CTransaction(), raw_tx_reference)
tx.vin = [tx.vin[0]] * 2
self.check_mempool_result(
result_expected=[{
'txid': tx.rehash(),
'allowed': False,
'reject-reason': 'bad-txns-inputs-duplicate'
}],
rawtxs=[ToHex(tx)],
)
self.log.info('A coinbase transaction')
# Pick the input of the first tx we signed, so it has to be a coinbase
# tx
raw_tx_coinbase_spent = node.getrawtransaction(
txid=node.decoderawtransaction(
hexstring=raw_tx_in_block)['vin'][0]['txid'])
tx = FromHex(CTransaction(), raw_tx_coinbase_spent)
self.check_mempool_result(
result_expected=[{
'txid': tx.rehash(),
'allowed': False,
'reject-reason': 'bad-tx-coinbase'
}],
rawtxs=[ToHex(tx)],
)
self.log.info('Some nonstandard transactions')
tx = FromHex(CTransaction(), raw_tx_reference)
tx.nVersion = 3 # A version currently non-standard
self.check_mempool_result(
result_expected=[{
'txid': tx.rehash(),
'allowed': False,
'reject-reason': 'version'
}],
rawtxs=[ToHex(tx)],
)
tx = FromHex(CTransaction(), raw_tx_reference)
tx.vout[0].scriptPubKey = CScript([OP_0]) # Some non-standard script
self.check_mempool_result(
result_expected=[{
'txid': tx.rehash(),
'allowed': False,
'reject-reason': 'scriptpubkey'
}],
rawtxs=[ToHex(tx)],
)
tx = FromHex(CTransaction(), raw_tx_reference)
key = ECKey()
key.generate()
pubkey = key.get_pubkey().get_bytes()
# Some bare multisig script (2-of-3)
tx.vout[0].scriptPubKey = CScript(
[OP_2, pubkey, pubkey, pubkey, OP_3, OP_CHECKMULTISIG])
self.check_mempool_result(
result_expected=[{
'txid': tx.rehash(),
'allowed': False,
'reject-reason': 'bare-multisig'
}],
rawtxs=[tx.serialize().hex()],
)
tx = FromHex(CTransaction(), raw_tx_reference)
# Some not-pushonly scriptSig
tx.vin[0].scriptSig = CScript([OP_HASH160])
self.check_mempool_result(
result_expected=[{
'txid': tx.rehash(),
'allowed': False,
'reject-reason': 'scriptsig-not-pushonly'
}],
rawtxs=[ToHex(tx)],
)
tx = FromHex(CTransaction(), raw_tx_reference)
# Some too large scriptSig (>1650 bytes)
tx.vin[0].scriptSig = CScript([b'a' * 1648])
self.check_mempool_result(
result_expected=[{
'txid': tx.rehash(),
'allowed': False,
'reject-reason': 'scriptsig-size'
}],
rawtxs=[tx.serialize().hex()],
)
tx = FromHex(CTransaction(), raw_tx_reference)
output_p2sh_burn = CTxOut(nValue=540,
scriptPubKey=CScript(
[OP_HASH160,
hash160(b'burn'), OP_EQUAL]))
# Use enough outputs to make the tx too large for our policy
num_scripts = 100000 // len(output_p2sh_burn.serialize())
tx.vout = [output_p2sh_burn] * num_scripts
self.check_mempool_result(
result_expected=[{
'txid': tx.rehash(),
'allowed': False,
'reject-reason': 'tx-size'
}],
rawtxs=[ToHex(tx)],
)
tx = FromHex(CTransaction(), raw_tx_reference)
tx.vout[0] = output_p2sh_burn
# Make output smaller, such that it is dust for our policy
tx.vout[0].nValue -= 1
self.check_mempool_result(
result_expected=[{
'txid': tx.rehash(),
'allowed': False,
'reject-reason': 'dust'
}],
rawtxs=[ToHex(tx)],
)
tx = FromHex(CTransaction(), raw_tx_reference)
tx.vout[0].scriptPubKey = CScript([OP_RETURN, b'\xff'])
tx.vout = [tx.vout[0]] * 2
self.check_mempool_result(
result_expected=[{
'txid': tx.rehash(),
'allowed': False,
'reject-reason': 'multi-op-return'
}],
rawtxs=[ToHex(tx)],
)
self.log.info('A timelocked transaction')
tx = FromHex(CTransaction(), raw_tx_reference)
# Should be non-max, so locktime is not ignored
tx.vin[0].nSequence -= 1
tx.nLockTime = node.getblockcount() + 1
self.check_mempool_result(
result_expected=[{
'txid': tx.rehash(),
'allowed': False,
'reject-reason': 'bad-txns-nonfinal'
}],
rawtxs=[ToHex(tx)],
)
self.log.info('A transaction that is locked by BIP68 sequence logic')
tx = FromHex(CTransaction(), raw_tx_reference)
# We could include it in the second block mined from now, but not the
# very next one
tx.vin[0].nSequence = 2
# Can skip re-signing the tx because of early rejection
self.check_mempool_result(
result_expected=[{
'txid': tx.rehash(),
'allowed': False,
'reject-reason': 'non-BIP68-final'
}],
rawtxs=[tx.serialize().hex()],
maxfeerate=0,
)
