def test_bip68_not_consensus(self):
assert (get_bip9_status(self.nodes[0], 'csv')['status'] != 'active')
txid = self.nodes[0].sendtoaddress(self.nodes[0].getnewaddress(), 2)
tx1 = from_hex(CTransaction(), self.nodes[0].getrawtransaction(txid))
tx1.rehash()
# Make an anyone-can-spend transaction
tx2 = CTransaction()
tx2.nVersion = 1
tx2.vin = [CTxIn(COutPoint(tx1.x16r, 0), n_sequence=0)]
tx2.vout = [
CTxOut(int(tx1.vout[0].nValue - self.relayfee * COIN),
CScript([b'a']))
]
# sign tx2
tx2_raw = self.nodes[0].signrawtransaction(to_hex(tx2))["hex"]
tx2 = from_hex(tx2, tx2_raw)
tx2.rehash()
self.nodes[0].sendrawtransaction(to_hex(tx2))
# Now make an invalid spend of tx2 according to BIP68
sequence_value = 100 # 100 block relative locktime
tx3 = CTransaction()
tx3.nVersion = 2
tx3.vin = [CTxIn(COutPoint(tx2.x16r, 0), n_sequence=sequence_value)]
tx3.vout = [
CTxOut(int(tx2.vout[0].nValue - self.relayfee * COIN),
CScript([b'a']))
]
tx3.rehash()
assert_raises_rpc_error(-26, NOT_FINAL_ERROR,
self.nodes[0].sendrawtransaction, to_hex(tx3))
# make a block that violates bip68; ensure that the tip updates
tip = int(self.nodes[0].getbestblockhash(), 16)
block = create_block(
tip, create_coinbase(self.nodes[0].getblockcount() + 1))
block.nVersion = 3
block.vtx.extend([tx1, tx2, tx3])
block.hashMerkleRoot = block.calc_merkle_root()
block.rehash()
block.solve()
self.nodes[0].submitblock(to_hex(block))
assert_equal(self.nodes[0].getbestblockhash(), block.hash)
def test_getblocktxn_handler(node, test_node, version):
# Krond will not send blocktxn responses for blocks whose height is
# more than 10 blocks deep.
MAX_GETBLOCKTXN_DEPTH = 10
chain_height = node.getblockcount()
current_height = chain_height
while current_height >= chain_height - MAX_GETBLOCKTXN_DEPTH:
block_hash = node.getblockhash(current_height)
block = from_hex(CBlock(), node.getblock(block_hash, False))
msg = MsgGetBlockTxn()
msg.block_txn_request = BlockTransactionsRequest(
int(block_hash, 16), [])
num_to_request = random.randint(1, len(block.vtx))
msg.block_txn_request.from_absolute(
sorted(random.sample(range(len(block.vtx)), num_to_request)))
test_node.send_message(msg)
wait_until(lambda: "blocktxn" in test_node.last_message,
timeout=10,
lock=mininode_lock,
err_msg="test_getblocktxn_handler")
[tx.calc_x16r() for tx in block.vtx]
with mininode_lock:
assert_equal(
test_node.last_message["blocktxn"].block_transactions.
blockhash, int(block_hash, 16))
all_indices = msg.block_txn_request.to_absolute()
for index in all_indices:
tx = test_node.last_message[
"blocktxn"].block_transactions.transactions.pop(0)
tx.calc_x16r()
assert_equal(tx.sha256, block.vtx[index].sha256)
if version == 1:
# Witnesses should have been stripped
assert (tx.wit.is_null())
else:
# Check that the witness matches
assert_equal(tx.calc_x16r(True),
block.vtx[index].calc_x16r(True))
test_node.last_message.pop("blocktxn", None)
current_height -= 1
# Next request should send a full block response, as we're past the
# allowed depth for a blocktxn response.
block_hash = node.getblockhash(current_height)
# noinspection PyUnboundLocalVariable
msg.block_txn_request = BlockTransactionsRequest(
int(block_hash, 16), [0])
with mininode_lock:
test_node.last_message.pop("block", None)
test_node.last_message.pop("blocktxn", None)
test_node.send_and_ping(msg)
with mininode_lock:
test_node.last_message["block"].block.calc_x16r()
assert_equal(test_node.last_message["block"].block.sha256,
int(block_hash, 16))
assert "blocktxn" not in test_node.last_message
def test_version2_relay(self):
inputs = []
outputs = {self.nodes[1].getnewaddress(): 1.0}
rawtx = self.nodes[1].createrawtransaction(inputs, outputs)
rawtxfund = self.nodes[1].fundrawtransaction(rawtx)['hex']
tx = from_hex(CTransaction(), rawtxfund)
tx.nVersion = 2
tx_signed = self.nodes[1].signrawtransaction(to_hex(tx))["hex"]
self.nodes[1].sendrawtransaction(tx_signed)
def send_to_witness(use_p2wsh, node, utxo, pubkey, encode_p2sh, amount, sign=True, insert_redeem_script=""):
tx_to_witness = create_witness_program(use_p2wsh, utxo, pubkey, encode_p2sh, amount)
if sign:
signed = node.signrawtransaction(tx_to_witness)
assert ("errors" not in signed or len(["errors"]) == 0)
return node.sendrawtransaction(signed["hex"])
else:
if insert_redeem_script:
tx = from_hex(CTransaction(), tx_to_witness)
tx.vin[0].scriptSig += CScript([hex_str_to_bytes(insert_redeem_script)])
tx_to_witness = to_hex(tx)
return node.sendrawtransaction(tx_to_witness)
def test_compactblock_construction(self, node, test_node, version,
use_witness_address):
# Generate a bunch of transactions.
node.generate(101)
num_transactions = 25
address = node.getnewaddress()
if use_witness_address:
# Want at least one segwit spend, so move all funds to
# a witness address.
address = node.addwitnessaddress(address)
value_to_send = node.getbalance()
node.sendtoaddress(address,
satoshi_round(value_to_send - Decimal(0.1)))
node.generate(1)
segwit_tx_generated = False
for _ in range(num_transactions):
txid = node.sendtoaddress(address, 0.1)
hex_tx = node.gettransaction(txid)["hex"]
tx = from_hex(CTransaction(), hex_tx)
if not tx.wit.is_null():
segwit_tx_generated = True
if use_witness_address:
assert segwit_tx_generated # check that our test is not broken
# Wait until we've seen the block announcement for the resulting tip
tip = int(node.getbestblockhash(), 16)
test_node.wait_for_block_announcement(tip)
# Make sure we will receive a fast-announce compact block
self.request_cb_announcements(test_node, node, version)
# Now mine a block, and look at the resulting compact block.
test_node.clear_block_announcement()
block_hash = int(node.generate(1)[0], 16)
# Store the raw block in our internal format.
block = from_hex(CBlock(), node.getblock("%02x" % block_hash, False))
for tx in block.vtx:
tx.calc_x16r()
block.rehash()
# Wait until the block was announced (via compact blocks)
wait_until(test_node.received_block_announcement,
timeout=30,
lock=mininode_lock,
err_msg="test_node.received_block_announcement")
# Now fetch and check the compact block
with mininode_lock:
assert ("cmpctblock" in test_node.last_message)
# Convert the on-the-wire representation to absolute indexes
header_and_shortids = HeaderAndShortIDs(
test_node.last_message["cmpctblock"].header_and_shortids)
self.check_compactblock_construction_from_block(
version, header_and_shortids, block_hash, block)
# Now fetch the compact block using a normal non-announce getdata
with mininode_lock:
test_node.clear_block_announcement()
inv = CInv(4, block_hash) # 4 == "CompactBlock"
test_node.send_message(MsgGetdata([inv]))
wait_until(test_node.received_block_announcement,
timeout=30,
lock=mininode_lock,
err_msg="test_node.received_block_announcement")
# Now fetch and check the compact block
with mininode_lock:
assert ("cmpctblock" in test_node.last_message)
# Convert the on-the-wire representation to absolute indexes
header_and_shortids = HeaderAndShortIDs(
test_node.last_message["cmpctblock"].header_and_shortids)
self.check_compactblock_construction_from_block(
version, header_and_shortids, block_hash, block)
def run_test(self):
self.nodes[0].generate(161) #block 161
# self.log.info("Verify sigops are counted in GBT with pre-BIP141 rules before the fork")
# txid = self.nodes[0].sendtoaddress(self.nodes[0].getnewaddress(), 1)
# tmpl = self.nodes[0].getblocktemplate({})
# assert(tmpl['sizelimit'] == 1000000)
# assert('weightlimit' not in tmpl)
# assert(tmpl['sigoplimit'] == 20000)
# assert(tmpl['transactions'][0]['hash'] == txid)
# assert(tmpl['transactions'][0]['sigops'] == 2)
# tmpl = self.nodes[0].getblocktemplate({'rules':['segwit']})
# assert(tmpl['sizelimit'] == 1000000)
# assert('weightlimit' not in tmpl)
# assert(tmpl['sigoplimit'] == 20000)
# assert(tmpl['transactions'][0]['hash'] == txid)
# assert(tmpl['transactions'][0]['sigops'] == 2)
self.nodes[0].generate(1) #block 162
balance_presetup = self.nodes[0].getbalance()
self.pubkey = []
p2sh_ids = [
] # p2sh_ids[NODE][VER] is an array of txids that spend to a witness version VER pkscript to an address for NODE embedded in p2sh
wit_ids = [
] # wit_ids[NODE][VER] is an array of txids that spend to a witness version VER pkscript to an address for NODE via bare witness
for i in range(3):
newaddress = self.nodes[i].getnewaddress()
self.pubkey.append(
self.nodes[i].validateaddress(newaddress)["pubkey"])
multiaddress = self.nodes[i].addmultisigaddress(
1, [self.pubkey[-1]])
self.nodes[i].addwitnessaddress(newaddress)
self.nodes[i].addwitnessaddress(multiaddress)
p2sh_ids.append([])
wit_ids.append([])
for v in range(2):
p2sh_ids[i].append([])
wit_ids[i].append([])
for i in range(5):
for n in range(3):
for v in range(2):
wit_ids[n][v].append(
send_to_witness(v, self.nodes[0],
find_unspent(self.nodes[0],
5000), self.pubkey[n],
False, Decimal("4999.9")))
p2sh_ids[n][v].append(
send_to_witness(v, self.nodes[0],
find_unspent(self.nodes[0],
5000), self.pubkey[n],
True, Decimal("4999.9")))
self.nodes[0].generate(1) #block 163
sync_blocks(self.nodes)
# Make sure all nodes recognize the transactions as theirs
assert_equal(
self.nodes[0].getbalance(),
balance_presetup - 60 * 5000 + 20 * Decimal("4999.9") + 5000)
assert_equal(self.nodes[1].getbalance(), 20 * Decimal("4999.9"))
assert_equal(self.nodes[2].getbalance(), 20 * Decimal("4999.9"))
self.nodes[0].generate(260) #block 423
sync_blocks(self.nodes)
# unsigned, no scriptsig
self.fail_accept(self.nodes[0], "mandatory-script-verify-flag",
wit_ids[NODE_0][WIT_V0][0], False)
self.fail_accept(self.nodes[0], "mandatory-script-verify-flag",
wit_ids[NODE_0][WIT_V1][0], False)
self.fail_accept(self.nodes[0], "mandatory-script-verify-flag",
p2sh_ids[NODE_0][WIT_V0][0], False)
self.fail_accept(self.nodes[0], "mandatory-script-verify-flag",
p2sh_ids[NODE_0][WIT_V1][0], False)
# unsigned with redeem script
self.fail_accept(self.nodes[0], "mandatory-script-verify-flag",
p2sh_ids[NODE_0][WIT_V0][0], False,
witness_script(False, self.pubkey[0]))
self.fail_accept(self.nodes[0], "mandatory-script-verify-flag",
p2sh_ids[NODE_0][WIT_V1][0], False,
witness_script(True, self.pubkey[0]))
# signed
# self.fail_accept(self.nodes[0], "no-witness-yet", wit_ids[NODE_0][WIT_V0][0], True)
# self.fail_accept(self.nodes[0], "no-witness-yet", wit_ids[NODE_0][WIT_V1][0], True)
# self.fail_accept(self.nodes[0], "no-witness-yet", p2sh_ids[NODE_0][WIT_V0][0], True)
# self.fail_accept(self.nodes[0], "no-witness-yet", p2sh_ids[NODE_0][WIT_V1][0], True)
# self.log.info("Verify witness txs are skipped for mining before the fork")
# self.skip_mine(self.nodes[2], wit_ids[NODE_2][WIT_V0][0], True) #block 424
# self.skip_mine(self.nodes[2], wit_ids[NODE_2][WIT_V1][0], True) #block 425
# self.skip_mine(self.nodes[2], p2sh_ids[NODE_2][WIT_V0][0], True) #block 426
# self.skip_mine(self.nodes[2], p2sh_ids[NODE_2][WIT_V1][0], True) #block 427
# TODO: An old node would see these txs without witnesses and be able to mine them
self.log.info(
"Verify unsigned bare witness txs in versionbits-setting blocks are valid before the fork"
)
self.success_mine(self.nodes[2], wit_ids[NODE_2][WIT_V0][1],
False) #block 428
self.success_mine(self.nodes[2], wit_ids[NODE_2][WIT_V1][1],
False) #block 429
self.log.info(
"Verify unsigned p2sh witness txs without a redeem script are invalid"
)
self.fail_accept(self.nodes[2], "mandatory-script-verify-flag",
p2sh_ids[NODE_2][WIT_V0][1], False)
self.fail_accept(self.nodes[2], "mandatory-script-verify-flag",
p2sh_ids[NODE_2][WIT_V1][1], False)
self.log.info(
"Verify unsigned p2sh witness txs with a redeem script in versionbits-settings blocks are valid before the fork"
)
self.success_mine(self.nodes[2], p2sh_ids[NODE_2][WIT_V0][1], False,
witness_script(False, self.pubkey[2])) #block 430
self.success_mine(self.nodes[2], p2sh_ids[NODE_2][WIT_V1][1], False,
witness_script(True, self.pubkey[2])) #block 431
self.log.info(
"Verify previous witness txs skipped for mining can now be mined")
assert_equal(len(self.nodes[2].getrawmempool()), 4)
block = self.nodes[2].generate(
1) #block 432 (first block with new rules: 432 = 144 * 3)
sync_blocks(self.nodes)
assert_equal(len(self.nodes[2].getrawmempool()), 0)
segwit_tx_list = self.nodes[2].getblock(block[0])["tx"]
assert_equal(len(segwit_tx_list), 5)
self.log.info(
"Verify block and transaction serialization rpcs return differing serializations depending on rpc serialization flag"
)
assert (self.nodes[2].getblock(block[0], False) !=
self.nodes[0].getblock(block[0], False))
assert (self.nodes[1].getblock(block[0],
False) == self.nodes[2].getblock(
block[0], False))
for i in range(len(segwit_tx_list)):
tx = from_hex(
CTransaction(),
self.nodes[2].gettransaction(segwit_tx_list[i])["hex"])
assert (self.nodes[2].getrawtransaction(segwit_tx_list[i]) !=
self.nodes[0].getrawtransaction(segwit_tx_list[i]))
assert (self.nodes[1].getrawtransaction(
segwit_tx_list[i],
0) == self.nodes[2].getrawtransaction(segwit_tx_list[i]))
assert (self.nodes[0].getrawtransaction(segwit_tx_list[i]) !=
self.nodes[2].gettransaction(segwit_tx_list[i])["hex"])
assert (self.nodes[1].getrawtransaction(
segwit_tx_list[i]) == self.nodes[2].gettransaction(
segwit_tx_list[i])["hex"])
assert (self.nodes[0].getrawtransaction(
segwit_tx_list[i]) == bytes_to_hex_str(
tx.serialize_without_witness()))
self.log.info(
"Verify witness txs without witness data are invalid after the fork"
)
self.fail_mine(self.nodes[2], wit_ids[NODE_2][WIT_V0][2], False)
self.fail_mine(self.nodes[2], wit_ids[NODE_2][WIT_V1][2], False)
self.fail_mine(self.nodes[2], p2sh_ids[NODE_2][WIT_V0][2], False,
witness_script(False, self.pubkey[2]))
self.fail_mine(self.nodes[2], p2sh_ids[NODE_2][WIT_V1][2], False,
witness_script(True, self.pubkey[2]))
self.log.info("Verify default node can now use witness txs")
self.success_mine(self.nodes[0], wit_ids[NODE_0][WIT_V0][0],
True) #block 432
self.success_mine(self.nodes[0], wit_ids[NODE_0][WIT_V1][0],
True) #block 433
self.success_mine(self.nodes[0], p2sh_ids[NODE_0][WIT_V0][0],
True) #block 434
self.success_mine(self.nodes[0], p2sh_ids[NODE_0][WIT_V1][0],
True) #block 435
self.log.info(
"Verify sigops are counted in GBT with BIP141 rules after the fork"
)
txid = self.nodes[0].sendtoaddress(self.nodes[0].getnewaddress(), 1)
tmpl = self.nodes[0].getblocktemplate({'rules': ['segwit']})
assert (
tmpl['sizelimit'] >= 3999577
) # actual maximum size is lower due to minimum mandatory non-witness data
assert (tmpl['weightlimit'] == 4000000)
assert (tmpl['sigoplimit'] == 80000)
assert (tmpl['transactions'][0]['txid'] == txid)
assert (tmpl['transactions'][0]['sigops'] == 8)
self.nodes[0].generate(1) # Mine a block to clear the gbt cache
self.log.info(
"Non-segwit miners are able to use GBT response after activation.")
# Create a 3-tx chain: tx1 (non-segwit input, paying to a segwit output) ->
# tx2 (segwit input, paying to a non-segwit output) ->
# tx3 (non-segwit input, paying to a non-segwit output).
# tx1 is allowed to appear in the block, but no others.
txid1 = send_to_witness(1, self.nodes[0],
find_unspent(self.nodes[0], 50),
self.pubkey[0], False, Decimal("49.996"))
hex_tx = self.nodes[0].gettransaction(txid)['hex']
tx = from_hex(CTransaction(), hex_tx)
assert (tx.wit.is_null()) # This should not be a segwit input
assert (txid1 in self.nodes[0].getrawmempool())
# Now create tx2, which will spend from txid1.
tx = CTransaction()
tx.vin.append(CTxIn(COutPoint(int(txid1, 16), 0), b''))
tx.vout.append(CTxOut(int(49.99 * COIN), CScript([OP_TRUE])))
tx2_hex = self.nodes[0].signrawtransaction(to_hex(tx))['hex']
txid2 = self.nodes[0].sendrawtransaction(tx2_hex)
tx = from_hex(CTransaction(), tx2_hex)
assert (not tx.wit.is_null())
# Now create tx3, which will spend from txid2
tx = CTransaction()
tx.vin.append(CTxIn(COutPoint(int(txid2, 16), 0), b""))
tx.vout.append(CTxOut(int(49.95 * COIN),
CScript([OP_TRUE]))) # Huge fee
tx.calc_x16r()
txid3 = self.nodes[0].sendrawtransaction(to_hex(tx))
assert (tx.wit.is_null())
assert (txid3 in self.nodes[0].getrawmempool())
# Now try calling getblocktemplate() without segwit support.
template = self.nodes[0].getblocktemplate()
# Check that tx1 is the only transaction of the 3 in the template.
template_txids = [t['txid'] for t in template['transactions']]
assert (txid2 not in template_txids and txid3 not in template_txids)
assert (txid1 in template_txids)
# Check that running with segwit support results in all 3 being included.
template = self.nodes[0].getblocktemplate({"rules": ["segwit"]})
template_txids = [t['txid'] for t in template['transactions']]
assert (txid1 in template_txids)
assert (txid2 in template_txids)
assert (txid3 in template_txids)
# Check that wtxid is properly reported in mempool entry
assert_equal(int(self.nodes[0].getmempoolentry(txid3)["wtxid"], 16),
tx.calc_x16r(True))
# Mine a block to clear the gbt cache again.
self.nodes[0].generate(1)
self.log.info(
"Verify behaviour of importaddress, addwitnessaddress and listunspent"
)
# Some public keys to be used later
pubkeys = [
"0363D44AABD0F1699138239DF2F042C3282C0671CC7A76826A55C8203D90E39242", # cPiM8Ub4heR9NBYmgVzJQiUH1if44GSBGiqaeJySuL2BKxubvgwb
"02D3E626B3E616FC8662B489C123349FECBFC611E778E5BE739B257EAE4721E5BF", # cPpAdHaD6VoYbW78kveN2bsvb45Q7G5PhaPApVUGwvF8VQ9brD97
"04A47F2CBCEFFA7B9BCDA184E7D5668D3DA6F9079AD41E422FA5FD7B2D458F2538A62F5BD8EC85C2477F39650BD391EA6250207065B2A81DA8B009FC891E898F0E", # 91zqCU5B9sdWxzMt1ca3VzbtVm2YM6Hi5Rxn4UDtxEaN9C9nzXV
"02A47F2CBCEFFA7B9BCDA184E7D5668D3DA6F9079AD41E422FA5FD7B2D458F2538", # cPQFjcVRpAUBG8BA9hzr2yEzHwKoMgLkJZBBtK9vJnvGJgMjzTbd
"036722F784214129FEB9E8129D626324F3F6716555B603FFE8300BBCB882151228", # cQGtcm34xiLjB1v7bkRa4V3aAc9tS2UTuBZ1UnZGeSeNy627fN66
"0266A8396EE936BF6D99D17920DB21C6C7B1AB14C639D5CD72B300297E416FD2EC", # cTW5mR5M45vHxXkeChZdtSPozrFwFgmEvTNnanCW6wrqwaCZ1X7K
"0450A38BD7F0AC212FEBA77354A9B036A32E0F7C81FC4E0C5ADCA7C549C4505D2522458C2D9AE3CEFD684E039194B72C8A10F9CB9D4764AB26FCC2718D421D3B84", # 92h2XPssjBpsJN5CqSP7v9a7cf2kgDunBC6PDFwJHMACM1rrVBJ
]
# Import a compressed key and an uncompressed key, generate some multisig addresses
self.nodes[0].importprivkey(
"92e6XLo5jVAVwrQKPNTs93oQco8f8sDNBcpv73Dsrs397fQtFQn")
uncompressed_spendable_address = ["mvozP4UwyGD2mGZU4D2eMvMLPB9WkMmMQu"]
self.nodes[0].importprivkey(
"cNC8eQ5dg3mFAVePDX4ddmPYpPbw41r9bm2jd1nLJT77e6RrzTRR")
compressed_spendable_address = ["mmWQubrDomqpgSYekvsU7HWEVjLFHAakLe"]
assert (self.nodes[0].validateaddress(
uncompressed_spendable_address[0])['iscompressed'] == False)
assert (self.nodes[0].validateaddress(
compressed_spendable_address[0])['iscompressed'] == True)
self.nodes[0].importpubkey(pubkeys[0])
compressed_solvable_address = [key_to_p2pkh(pubkeys[0])]
self.nodes[0].importpubkey(pubkeys[1])
compressed_solvable_address.append(key_to_p2pkh(pubkeys[1]))
self.nodes[0].importpubkey(pubkeys[2])
uncompressed_solvable_address = [key_to_p2pkh(pubkeys[2])]
spendable_anytime = [
] # These outputs should be seen anytime after importprivkey and addmultisigaddress
spendable_after_importaddress = [
] # These outputs should be seen after importaddress
solvable_after_importaddress = [
] # These outputs should be seen after importaddress but not spendable
unsolvable_after_importaddress = [
] # These outputs should be unsolvable after importaddress
solvable_anytime = [
] # These outputs should be solvable after importpubkey
unseen_anytime = [] # These outputs should never be seen
uncompressed_spendable_address.append(self.nodes[0].addmultisigaddress(
2, [
uncompressed_spendable_address[0],
compressed_spendable_address[0]
]))
uncompressed_spendable_address.append(self.nodes[0].addmultisigaddress(
2, [
uncompressed_spendable_address[0],
uncompressed_spendable_address[0]
]))
compressed_spendable_address.append(self.nodes[0].addmultisigaddress(
2,
[compressed_spendable_address[0], compressed_spendable_address[0]
]))
uncompressed_solvable_address.append(self.nodes[0].addmultisigaddress(
2, [
compressed_spendable_address[0],
uncompressed_solvable_address[0]
]))
compressed_solvable_address.append(self.nodes[0].addmultisigaddress(
2,
[compressed_spendable_address[0], compressed_solvable_address[0]]))
compressed_solvable_address.append(self.nodes[0].addmultisigaddress(
2,
[compressed_solvable_address[0], compressed_solvable_address[1]]))
unknown_address = [
"mtKKyoHabkk6e4ppT7NaM7THqPUt7AzPrT",
"2NDP3jLWAFT8NDAiUa9qiE6oBt2awmMq7Dx"
]
# Test multisig_without_privkey
# We have 2 public keys without private keys, use addmultisigaddress to add to wallet.
# Money sent to P2SH of multisig of this should only be seen after importaddress with the BASE58 P2SH address.
multisig_without_privkey_address = self.nodes[0].addmultisigaddress(
2, [pubkeys[3], pubkeys[4]])
script = CScript([
OP_2,
hex_str_to_bytes(pubkeys[3]),
hex_str_to_bytes(pubkeys[4]), OP_2, OP_CHECKMULTISIG
])
solvable_after_importaddress.append(
CScript([OP_HASH160, hash160(script), OP_EQUAL]))
for i in compressed_spendable_address:
v = self.nodes[0].validateaddress(i)
if v['isscript']:
[bare, p2sh, p2wsh,
p2sh_p2wsh] = self.p2sh_address_to_script(v)
# bare and p2sh multisig with compressed keys should always be spendable
spendable_anytime.extend([bare, p2sh])
# P2WSH and P2SH(P2WSH) multisig with compressed keys are spendable after direct importaddress
spendable_after_importaddress.extend([p2wsh, p2sh_p2wsh])
else:
[
p2wpkh, p2sh_p2wpkh, p2pk, p2pkh, p2sh_p2pk, p2sh_p2pkh,
p2wsh_p2pk, p2wsh_p2pkh, p2sh_p2wsh_p2pk, p2sh_p2wsh_p2pkh
] = self.p2pkh_address_to_script(v)
# normal P2PKH and P2PK with compressed keys should always be spendable
spendable_anytime.extend([p2pkh, p2pk])
# P2SH_P2PK, P2SH_P2PKH, and witness with compressed keys are spendable after direct importaddress
spendable_after_importaddress.extend([
p2wpkh, p2sh_p2wpkh, p2sh_p2pk, p2sh_p2pkh, p2wsh_p2pk,
p2wsh_p2pkh, p2sh_p2wsh_p2pk, p2sh_p2wsh_p2pkh
])
for i in uncompressed_spendable_address:
v = self.nodes[0].validateaddress(i)
if v['isscript']:
[bare, p2sh, p2wsh,
p2sh_p2wsh] = self.p2sh_address_to_script(v)
# bare and p2sh multisig with uncompressed keys should always be spendable
spendable_anytime.extend([bare, p2sh])
# P2WSH and P2SH(P2WSH) multisig with uncompressed keys are never seen
unseen_anytime.extend([p2wsh, p2sh_p2wsh])
else:
[
p2wpkh, p2sh_p2wpkh, p2pk, p2pkh, p2sh_p2pk, p2sh_p2pkh,
p2wsh_p2pk, p2wsh_p2pkh, p2sh_p2wsh_p2pk, p2sh_p2wsh_p2pkh
] = self.p2pkh_address_to_script(v)
# normal P2PKH and P2PK with uncompressed keys should always be spendable
spendable_anytime.extend([p2pkh, p2pk])
# P2SH_P2PK and P2SH_P2PKH are spendable after direct importaddress
spendable_after_importaddress.extend([p2sh_p2pk, p2sh_p2pkh])
# witness with uncompressed keys are never seen
unseen_anytime.extend([
p2wpkh, p2sh_p2wpkh, p2wsh_p2pk, p2wsh_p2pkh,
p2sh_p2wsh_p2pk, p2sh_p2wsh_p2pkh
])
for i in compressed_solvable_address:
v = self.nodes[0].validateaddress(i)
if v['isscript']:
# Multisig without private is not seen after addmultisigaddress, but seen after importaddress
[bare, p2sh, p2wsh,
p2sh_p2wsh] = self.p2sh_address_to_script(v)
solvable_after_importaddress.extend(
[bare, p2sh, p2wsh, p2sh_p2wsh])
else:
[
p2wpkh, p2sh_p2wpkh, p2pk, p2pkh, p2sh_p2pk, p2sh_p2pkh,
p2wsh_p2pk, p2wsh_p2pkh, p2sh_p2wsh_p2pk, p2sh_p2wsh_p2pkh
] = self.p2pkh_address_to_script(v)
# normal P2PKH and P2PK with compressed keys should always be seen
solvable_anytime.extend([p2pkh, p2pk])
# P2SH_P2PK, P2SH_P2PKH, and witness with compressed keys are seen after direct importaddress
solvable_after_importaddress.extend([
p2wpkh, p2sh_p2wpkh, p2sh_p2pk, p2sh_p2pkh, p2wsh_p2pk,
p2wsh_p2pkh, p2sh_p2wsh_p2pk, p2sh_p2wsh_p2pkh
])
for i in uncompressed_solvable_address:
v = self.nodes[0].validateaddress(i)
if v['isscript']:
[bare, p2sh, p2wsh,
p2sh_p2wsh] = self.p2sh_address_to_script(v)
# Base uncompressed multisig without private is not seen after addmultisigaddress, but seen after importaddress
solvable_after_importaddress.extend([bare, p2sh])
# P2WSH and P2SH(P2WSH) multisig with uncompressed keys are never seen
unseen_anytime.extend([p2wsh, p2sh_p2wsh])
else:
[
p2wpkh, p2sh_p2wpkh, p2pk, p2pkh, p2sh_p2pk, p2sh_p2pkh,
p2wsh_p2pk, p2wsh_p2pkh, p2sh_p2wsh_p2pk, p2sh_p2wsh_p2pkh
] = self.p2pkh_address_to_script(v)
# normal P2PKH and P2PK with uncompressed keys should always be seen
solvable_anytime.extend([p2pkh, p2pk])
# P2SH_P2PK, P2SH_P2PKH with uncompressed keys are seen after direct importaddress
solvable_after_importaddress.extend([p2sh_p2pk, p2sh_p2pkh])
# witness with uncompressed keys are never seen
unseen_anytime.extend([
p2wpkh, p2sh_p2wpkh, p2wsh_p2pk, p2wsh_p2pkh,
p2sh_p2wsh_p2pk, p2sh_p2wsh_p2pkh
])
op1 = CScript([OP_1])
op0 = CScript([OP_0])
# 2N7MGY19ti4KDMSzRfPAssP6Pxyuxoi6jLe is the P2SH(P2PKH) version of mjoE3sSrb8ByYEvgnC3Aox86u1CHnfJA4V
unsolvable_address = [
"mjoE3sSrb8ByYEvgnC3Aox86u1CHnfJA4V",
"2N7MGY19ti4KDMSzRfPAssP6Pxyuxoi6jLe",
script_to_p2sh(op1),
script_to_p2sh(op0)
]
unsolvable_address_key = hex_str_to_bytes(
"02341AEC7587A51CDE5279E0630A531AEA2615A9F80B17E8D9376327BAEAA59E3D"
)
unsolvablep2pkh = CScript([
OP_DUP, OP_HASH160,
hash160(unsolvable_address_key), OP_EQUALVERIFY, OP_CHECKSIG
])
unsolvablep2wshp2pkh = CScript([OP_0, sha256(unsolvablep2pkh)])
p2shop0 = CScript([OP_HASH160, hash160(op0), OP_EQUAL])
p2wshop1 = CScript([OP_0, sha256(op1)])
unsolvable_after_importaddress.append(unsolvablep2pkh)
unsolvable_after_importaddress.append(unsolvablep2wshp2pkh)
unsolvable_after_importaddress.append(
op1) # OP_1 will be imported as script
unsolvable_after_importaddress.append(p2wshop1)
unseen_anytime.append(
op0
) # OP_0 will be imported as P2SH address with no script provided
unsolvable_after_importaddress.append(p2shop0)
spendable_txid = []
solvable_txid = []
spendable_txid.append(
self.mine_and_test_listunspent(spendable_anytime, 2))
solvable_txid.append(
self.mine_and_test_listunspent(solvable_anytime, 1))
self.mine_and_test_listunspent(
spendable_after_importaddress + solvable_after_importaddress +
unseen_anytime + unsolvable_after_importaddress, 0)
importlist = []
for i in compressed_spendable_address + uncompressed_spendable_address + compressed_solvable_address + uncompressed_solvable_address:
v = self.nodes[0].validateaddress(i)
if v['isscript']:
bare = hex_str_to_bytes(v['hex'])
importlist.append(bytes_to_hex_str(bare))
importlist.append(
bytes_to_hex_str(CScript([OP_0, sha256(bare)])))
else:
pubkey = hex_str_to_bytes(v['pubkey'])
p2pk = CScript([pubkey, OP_CHECKSIG])
p2pkh = CScript([
OP_DUP, OP_HASH160,
hash160(pubkey), OP_EQUALVERIFY, OP_CHECKSIG
])
importlist.append(bytes_to_hex_str(p2pk))
importlist.append(bytes_to_hex_str(p2pkh))
importlist.append(
bytes_to_hex_str(CScript([OP_0, hash160(pubkey)])))
importlist.append(
bytes_to_hex_str(CScript([OP_0, sha256(p2pk)])))
importlist.append(
bytes_to_hex_str(CScript([OP_0, sha256(p2pkh)])))
importlist.append(bytes_to_hex_str(unsolvablep2pkh))
importlist.append(bytes_to_hex_str(unsolvablep2wshp2pkh))
importlist.append(bytes_to_hex_str(op1))
importlist.append(bytes_to_hex_str(p2wshop1))
for i in importlist:
# import all generated addresses. The wallet already has the private keys for some of these, so catch JSON RPC
# exceptions and continue.
try_rpc(
-4,
"The wallet already contains the private key for this address or script",
self.nodes[0].importaddress, i, "", False, True)
self.nodes[0].importaddress(
script_to_p2sh(op0)) # import OP_0 as address only
self.nodes[0].importaddress(
multisig_without_privkey_address) # Test multisig_without_privkey
spendable_txid.append(
self.mine_and_test_listunspent(
spendable_anytime + spendable_after_importaddress, 2))
solvable_txid.append(
self.mine_and_test_listunspent(
solvable_anytime + solvable_after_importaddress, 1))
self.mine_and_test_listunspent(unsolvable_after_importaddress, 1)
self.mine_and_test_listunspent(unseen_anytime, 0)
# addwitnessaddress should refuse to return a witness address if an uncompressed key is used
# note that no witness address should be returned by unsolvable addresses
for i in uncompressed_spendable_address + uncompressed_solvable_address + unknown_address + unsolvable_address:
assert_raises_rpc_error(
-4,
"Public key or redeemscript not known to wallet, or the key is uncompressed",
self.nodes[0].addwitnessaddress, i)
# addwitnessaddress should return a witness addresses even if keys are not in the wallet
self.nodes[0].addwitnessaddress(multisig_without_privkey_address)
for i in compressed_spendable_address + compressed_solvable_address:
witaddress = self.nodes[0].addwitnessaddress(i)
# addwitnessaddress should return the same address if it is a known P2SH-witness address
assert_equal(witaddress,
self.nodes[0].addwitnessaddress(witaddress))
spendable_txid.append(
self.mine_and_test_listunspent(
spendable_anytime + spendable_after_importaddress, 2))
solvable_txid.append(
self.mine_and_test_listunspent(
solvable_anytime + solvable_after_importaddress, 1))
self.mine_and_test_listunspent(unsolvable_after_importaddress, 1)
self.mine_and_test_listunspent(unseen_anytime, 0)
# Repeat some tests. This time we don't add witness scripts with importaddress
# Import a compressed key and an uncompressed key, generate some multisig addresses
self.nodes[0].importprivkey(
"927pw6RW8ZekycnXqBQ2JS5nPyo1yRfGNN8oq74HeddWSpafDJH")
uncompressed_spendable_address = ["mguN2vNSCEUh6rJaXoAVwY3YZwZvEmf5xi"]
self.nodes[0].importprivkey(
"cMcrXaaUC48ZKpcyydfFo8PxHAjpsYLhdsp6nmtB3E2ER9UUHWnw")
compressed_spendable_address = ["n1UNmpmbVUJ9ytXYXiurmGPQ3TRrXqPWKL"]
self.nodes[0].importpubkey(pubkeys[5])
compressed_solvable_address = [key_to_p2pkh(pubkeys[5])]
self.nodes[0].importpubkey(pubkeys[6])
uncompressed_solvable_address = [key_to_p2pkh(pubkeys[6])]
spendable_after_addwitnessaddress = [
] # These outputs should be seen after importaddress
solvable_after_addwitnessaddress = [
] # These outputs should be seen after importaddress but not spendable
unseen_anytime = [] # These outputs should never be seen
uncompressed_spendable_address.append(self.nodes[0].addmultisigaddress(
2, [
uncompressed_spendable_address[0],
compressed_spendable_address[0]
]))
uncompressed_spendable_address.append(self.nodes[0].addmultisigaddress(
2, [
uncompressed_spendable_address[0],
uncompressed_spendable_address[0]
]))
compressed_spendable_address.append(self.nodes[0].addmultisigaddress(
2,
[compressed_spendable_address[0], compressed_spendable_address[0]
]))
uncompressed_solvable_address.append(self.nodes[0].addmultisigaddress(
2,
[compressed_solvable_address[0], uncompressed_solvable_address[0]
]))
compressed_solvable_address.append(self.nodes[0].addmultisigaddress(
2,
[compressed_spendable_address[0], compressed_solvable_address[0]]))
premature_witaddress = []
for i in compressed_spendable_address:
v = self.nodes[0].validateaddress(i)
if v['isscript']:
[bare, p2sh, p2wsh,
p2sh_p2wsh] = self.p2sh_address_to_script(v)
# P2WSH and P2SH(P2WSH) multisig with compressed keys are spendable after addwitnessaddress
spendable_after_addwitnessaddress.extend([p2wsh, p2sh_p2wsh])
premature_witaddress.append(script_to_p2sh(p2wsh))
else:
[
p2wpkh, p2sh_p2wpkh, p2pk, p2pkh, p2sh_p2pk, p2sh_p2pkh,
p2wsh_p2pk, p2wsh_p2pkh, p2sh_p2wsh_p2pk, p2sh_p2wsh_p2pkh
] = self.p2pkh_address_to_script(v)
# P2WPKH, P2SH_P2WPKH are spendable after addwitnessaddress
spendable_after_addwitnessaddress.extend([p2wpkh, p2sh_p2wpkh])
premature_witaddress.append(script_to_p2sh(p2wpkh))
for i in uncompressed_spendable_address + uncompressed_solvable_address:
v = self.nodes[0].validateaddress(i)
if v['isscript']:
[bare, p2sh, p2wsh,
p2sh_p2wsh] = self.p2sh_address_to_script(v)
# P2WSH and P2SH(P2WSH) multisig with uncompressed keys are never seen
unseen_anytime.extend([p2wsh, p2sh_p2wsh])
else:
[
p2wpkh, p2sh_p2wpkh, p2pk, p2pkh, p2sh_p2pk, p2sh_p2pkh,
p2wsh_p2pk, p2wsh_p2pkh, p2sh_p2wsh_p2pk, p2sh_p2wsh_p2pkh
] = self.p2pkh_address_to_script(v)
# P2WPKH, P2SH_P2WPKH with uncompressed keys are never seen
unseen_anytime.extend([p2wpkh, p2sh_p2wpkh])
for i in compressed_solvable_address:
v = self.nodes[0].validateaddress(i)
if v['isscript']:
# P2WSH multisig without private key are seen after addwitnessaddress
[bare, p2sh, p2wsh,
p2sh_p2wsh] = self.p2sh_address_to_script(v)
solvable_after_addwitnessaddress.extend([p2wsh, p2sh_p2wsh])
premature_witaddress.append(script_to_p2sh(p2wsh))
else:
[
p2wpkh, p2sh_p2wpkh, p2pk, p2pkh, p2sh_p2pk, p2sh_p2pkh,
p2wsh_p2pk, p2wsh_p2pkh, p2sh_p2wsh_p2pk, p2sh_p2wsh_p2pkh
] = self.p2pkh_address_to_script(v)
# P2SH_P2PK, P2SH_P2PKH with compressed keys are seen after addwitnessaddress
solvable_after_addwitnessaddress.extend([p2wpkh, p2sh_p2wpkh])
premature_witaddress.append(script_to_p2sh(p2wpkh))
self.mine_and_test_listunspent(
spendable_after_addwitnessaddress +
solvable_after_addwitnessaddress + unseen_anytime, 0)
# addwitnessaddress should refuse to return a witness address if an uncompressed key is used
# note that a multisig address returned by addmultisigaddress is not solvable until it is added with importaddress
# premature_witaddress are not accepted until the script is added with addwitnessaddress first
for i in uncompressed_spendable_address + uncompressed_solvable_address + premature_witaddress:
# This will raise an exception
assert_raises_rpc_error(
-4,
"Public key or redeemscript not known to wallet, or the key is uncompressed",
self.nodes[0].addwitnessaddress, i)
# after importaddress it should pass addwitnessaddress
v = self.nodes[0].validateaddress(compressed_solvable_address[1])
self.nodes[0].importaddress(v['hex'], "", False, True)
for i in compressed_spendable_address + compressed_solvable_address + premature_witaddress:
witaddress = self.nodes[0].addwitnessaddress(i)
assert_equal(witaddress,
self.nodes[0].addwitnessaddress(witaddress))
spendable_txid.append(
self.mine_and_test_listunspent(spendable_after_addwitnessaddress,
2))
solvable_txid.append(
self.mine_and_test_listunspent(solvable_after_addwitnessaddress,
1))
self.mine_and_test_listunspent(unseen_anytime, 0)
# Check that spendable outputs are really spendable
self.create_and_mine_tx_from_txids(spendable_txid)
# import all the private keys so solvable addresses become spendable
self.nodes[0].importprivkey(
"cPiM8Ub4heR9NBYmgVzJQiUH1if44GSBGiqaeJySuL2BKxubvgwb")
self.nodes[0].importprivkey(
"cPpAdHaD6VoYbW78kveN2bsvb45Q7G5PhaPApVUGwvF8VQ9brD97")
self.nodes[0].importprivkey(
"91zqCU5B9sdWxzMt1ca3VzbtVm2YM6Hi5Rxn4UDtxEaN9C9nzXV")
self.nodes[0].importprivkey(
"cPQFjcVRpAUBG8BA9hzr2yEzHwKoMgLkJZBBtK9vJnvGJgMjzTbd")
self.nodes[0].importprivkey(
"cQGtcm34xiLjB1v7bkRa4V3aAc9tS2UTuBZ1UnZGeSeNy627fN66")
self.nodes[0].importprivkey(
"cTW5mR5M45vHxXkeChZdtSPozrFwFgmEvTNnanCW6wrqwaCZ1X7K")
self.create_and_mine_tx_from_txids(solvable_txid)
def test_sequence_lock_unconfirmed_inputs(self):
# Store height so we can easily reset the chain at the end of the test
cur_height = self.nodes[0].getblockcount()
# Create a mempool tx.
txid = self.nodes[0].sendtoaddress(self.nodes[0].getnewaddress(), 2)
tx1 = from_hex(CTransaction(), self.nodes[0].getrawtransaction(txid))
tx1.rehash()
# Anyone-can-spend mempool tx.
# Sequence lock of 0 should pass.
tx2 = CTransaction()
tx2.nVersion = 2
tx2.vin = [CTxIn(COutPoint(tx1.x16r, 0), n_sequence=0)]
tx2.vout = [
CTxOut(int(tx1.vout[0].nValue - self.relayfee * COIN),
CScript([b'a']))
]
tx2_raw = self.nodes[0].signrawtransaction(to_hex(tx2))["hex"]
tx2 = from_hex(tx2, tx2_raw)
tx2.rehash()
self.nodes[0].sendrawtransaction(tx2_raw)
# Create a spend of the 0th output of orig_tx with a sequence lock
# of 1, and test what happens when submitting.
# orig_tx.vout[0] must be an anyone-can-spend output
def test_nonzero_locks(orig_tx, node, relayfee, use_height_lock):
sequence_value = 1
if not use_height_lock:
sequence_value |= SEQUENCE_LOCKTIME_TYPE_FLAG
tx = CTransaction()
tx.nVersion = 2
tx.vin = [
CTxIn(COutPoint(orig_tx.x16r, 0), n_sequence=sequence_value)
]
tx.vout = [
CTxOut(int(orig_tx.vout[0].nValue - relayfee * COIN),
CScript([b'a']))
]
tx.rehash()
if orig_tx.hash in node.getrawmempool():
# sendrawtransaction should fail if the tx is in the mempool
assert_raises_rpc_error(-26, NOT_FINAL_ERROR,
node.sendrawtransaction, to_hex(tx))
else:
# sendrawtransaction should succeed if the tx is not in the mempool
node.sendrawtransaction(to_hex(tx))
return tx
test_nonzero_locks(tx2,
self.nodes[0],
self.relayfee,
use_height_lock=True)
test_nonzero_locks(tx2,
self.nodes[0],
self.relayfee,
use_height_lock=False)
# Now mine some blocks, but make sure tx2 doesn't get mined.
# Use prioritisetransaction to lower the effective feerate to 0
self.nodes[0].prioritisetransaction(txid=tx2.hash,
fee_delta=int(-self.relayfee *
COIN))
cur_time = int(time.time())
for _ in range(10):
self.nodes[0].setmocktime(cur_time + 600)
self.nodes[0].generate(1)
cur_time += 600
assert (tx2.hash in self.nodes[0].getrawmempool())
test_nonzero_locks(tx2,
self.nodes[0],
self.relayfee,
use_height_lock=True)
test_nonzero_locks(tx2,
self.nodes[0],
self.relayfee,
use_height_lock=False)
# Mine tx2, and then try again
self.nodes[0].prioritisetransaction(txid=tx2.hash,
fee_delta=int(self.relayfee *
COIN))
# Advance the time on the node so that we can test timelocks
self.nodes[0].setmocktime(cur_time + 600)
self.nodes[0].generate(1)
assert (tx2.hash not in self.nodes[0].getrawmempool())
# Now that tx2 is not in the mempool, a sequence locked spend should
# succeed
tx3 = test_nonzero_locks(tx2,
self.nodes[0],
self.relayfee,
use_height_lock=False)
assert (tx3.hash in self.nodes[0].getrawmempool())
self.nodes[0].generate(1)
assert (tx3.hash not in self.nodes[0].getrawmempool())
# One more test, this time using height locks
tx4 = test_nonzero_locks(tx3,
self.nodes[0],
self.relayfee,
use_height_lock=True)
assert (tx4.hash in self.nodes[0].getrawmempool())
# Now try combining confirmed and unconfirmed inputs
tx5 = test_nonzero_locks(tx4,
self.nodes[0],
self.relayfee,
use_height_lock=True)
assert (tx5.hash not in self.nodes[0].getrawmempool())
utxos = self.nodes[0].listunspent()
tx5.vin.append(
CTxIn(COutPoint(int(utxos[0]["txid"], 16), utxos[0]["vout"]),
n_sequence=1))
tx5.vout[0].nValue += int(utxos[0]["amount"] * COIN)
raw_tx5 = self.nodes[0].signrawtransaction(to_hex(tx5))["hex"]
assert_raises_rpc_error(-26, NOT_FINAL_ERROR,
self.nodes[0].sendrawtransaction, raw_tx5)
# Test mempool-BIP68 consistency after reorg
#
# State of the transactions in the last blocks:
# ... -> [ tx2 ] -> [ tx3 ]
# tip-1 tip
# And currently tx4 is in the mempool.
#
# If we invalidate the tip, tx3 should get added to the mempool, causing
# tx4 to be removed (fails sequence-lock).
self.nodes[0].invalidateblock(self.nodes[0].getbestblockhash())
assert (tx4.hash not in self.nodes[0].getrawmempool())
assert (tx3.hash in self.nodes[0].getrawmempool())
# Now mine 2 empty blocks to reorg out the current tip (labeled tip-1 in
# diagram above).
# This would cause tx2 to be added back to the mempool, which in turn causes
# tx3 to be removed.
tip = int(
self.nodes[0].getblockhash(self.nodes[0].getblockcount() - 1), 16)
height = self.nodes[0].getblockcount()
for _ in range(2):
block = create_block(tip, create_coinbase(height), cur_time)
block.nVersion = 3
block.rehash()
block.solve()
tip = block.x16r
height += 1
self.nodes[0].submitblock(to_hex(block))
cur_time += 1
mempool = self.nodes[0].getrawmempool()
assert (tx3.hash not in mempool)
assert (tx2.hash in mempool)
# Reset the chain and get rid of the mocktimed-blocks
self.nodes[0].setmocktime(0)
self.nodes[0].invalidateblock(self.nodes[0].getblockhash(cur_height +
1))
self.nodes[0].generate(10)
def run_test(self):
# Mine some coins
self.nodes[0].generate(110)
# Get some addresses from the two nodes
addr1 = [self.nodes[1].getnewaddress() for _ in range(3)]
addr2 = [self.nodes[2].getnewaddress() for _ in range(3)]
addrs = addr1 + addr2
# Send 1 + 0.5 coin to each address
[self.nodes[0].sendtoaddress(addr, 1.0) for addr in addrs]
[self.nodes[0].sendtoaddress(addr, 0.5) for addr in addrs]
self.nodes[0].generate(1)
self.sync_all()
# For each node, send 0.2 coins back to 0;
# - node[1] should pick one 0.5 UTXO and leave the rest
# - node[2] should pick one (1.0 + 0.5) UTXO group corresponding to a
# given address, and leave the rest
txid1 = self.nodes[1].sendtoaddress(self.nodes[0].getnewaddress(), 0.2)
tx1 = self.nodes[1].getrawtransaction(txid1, True)
# txid1 should have 1 input and 2 outputs
assert_equal(1, len(tx1["vin"]))
assert_equal(2, len(tx1["vout"]))
# one output should be 0.2, the other should be ~0.3
v = [vout["value"] for vout in tx1["vout"]]
v.sort()
assert_approx(v[0], 0.2)
assert_approx(v[1], 0.3, 0.01)
txid2 = self.nodes[2].sendtoaddress(self.nodes[0].getnewaddress(), 0.2)
tx2 = self.nodes[2].getrawtransaction(txid2, True)
# txid2 should have 1 inputs and 2 outputs
assert_equal(1, len(tx2["vin"]))
assert_equal(2, len(tx2["vout"]))
# one output should be 0.2, the other should be ~0.3
v = [vout["value"] for vout in tx2["vout"]]
v.sort()
assert_approx(v[0], 0.2)
assert_approx(v[1], 0.3, 0.1)
# Empty out node2's wallet
self.nodes[2].sendtoaddress(address=self.nodes[0].getnewaddress(),
amount=self.nodes[2].getbalance(),
subtractfeefromamount=True)
self.sync_all()
self.nodes[0].generate(1)
# Fill node2's wallet with 10000 outputs corresponding to the same
# scriptPubKey
for i in range(5):
inputs = [{"txid": "0" * 64, "vout": 0}]
outputs = {addr2[0]: 0.05}
raw_tx = self.nodes[0].createrawtransaction(inputs, outputs)
tx = from_hex(CTransaction(), raw_tx)
tx.vin = []
tx.vout = [tx.vout[0]] * 2000
funded_tx = self.nodes[0].fundrawtransaction(to_hex(tx))
signed_tx = self.nodes[0].signrawtransaction(funded_tx['hex'])
self.nodes[0].sendrawtransaction(signed_tx['hex'])
self.nodes[0].generate(1)
self.sync_all()
# Check that we can create a transaction that only requires ~100 of our
# utxos, without pulling in all outputs and creating a transaction that
# is way too big.
assert self.nodes[2].sendtoaddress(address=addr2[0], amount=5)
