def get_tx(self):
tx = CTransaction()
tx.vin.append(CTxIn(COutPoint(self.spend_tx.sha256 + 1, 0), b"", 0xffffffff))
tx.vin.append(self.valid_txin)
tx.vout.append(CTxOut(1, basic_p2sh))
tx.calc_sha256()
return tx
def get_tx(self):
tx = CTransaction()
tx.vin.append(self.valid_txin)
tx.vin.append(self.valid_txin)
tx.vout.append(CTxOut(1, basic_p2sh))
tx.calc_sha256()
return tx
def branch(prevout, initial_value, max_txs, tree_width=5, fee=0.0001*COIN, _total_txs=None):
if _total_txs is None:
_total_txs = [0]
if _total_txs[0] >= max_txs:
return
txout_value = (initial_value - fee) // tree_width
if txout_value < fee:
return
vout = [CTxOut(txout_value, CScript([i+1]))
for i in range(tree_width)]
tx = CTransaction()
tx.vin = [CTxIn(prevout, nSequence=0)]
tx.vout = vout
tx_hex = txToHex(tx)
assert(len(tx.serialize()) < 100000)
txid = self.nodes[0].sendrawtransaction(tx_hex, True)
yield tx
_total_txs[0] += 1
txid = int(txid, 16)
for i, txout in enumerate(tx.vout):
for x in branch(COutPoint(txid, i), txout_value,
max_txs,
tree_width=tree_width, fee=fee,
_total_txs=_total_txs):
yield x
def mine_and_test_listunspent(self, script_list, ismine):
utxo = find_spendable_utxo(self.nodes[0], 50)
tx = CTransaction()
tx.vin.append(CTxIn(COutPoint(int('0x'+utxo['txid'],0), utxo['vout'])))
for i in script_list:
tx.vout.append(CTxOut(10000000, i))
tx.rehash()
signresults = self.nodes[0].signrawtransactionwithwallet(bytes_to_hex_str(tx.serialize_without_witness()))['hex']
txid = self.nodes[0].sendrawtransaction(signresults, True)
self.nodes[0].generate(1)
sync_blocks(self.nodes)
watchcount = 0
spendcount = 0
for i in self.nodes[0].listunspent():
if (i['txid'] == txid):
watchcount += 1
if (i['spendable'] == True):
spendcount += 1
if (ismine == 2):
assert_equal(spendcount, len(script_list))
elif (ismine == 1):
assert_equal(watchcount, len(script_list))
assert_equal(spendcount, 0)
else:
assert_equal(watchcount, 0)
return txid
def buildDummySegwitNameUpdate (self, name, value, addr):
"""
Builds a transaction that updates the given name to the given value and
address. We assume that the name is at a native segwit script. The witness
of the transaction will be set to two dummy stack elements so that the
program itself is "well-formed" even if it won't execute successfully.
"""
data = self.node.name_show (name)
u = self.findUnspent (Decimal ('0.01'))
ins = [data, u]
outs = {addr: Decimal ('0.01')}
txHex = self.node.createrawtransaction (ins, outs)
nameOp = {"op": "name_update", "name": name, "value": value}
txHex = self.node.namerawtransaction (txHex, 0, nameOp)['hex']
txHex = self.node.signrawtransactionwithwallet (txHex)['hex']
tx = CTransaction ()
tx.deserialize (io.BytesIO (hex_str_to_bytes (txHex)))
tx.wit = CTxWitness ()
tx.wit.vtxinwit.append (CTxInWitness ())
tx.wit.vtxinwit[0].scriptWitness = CScriptWitness ()
tx.wit.vtxinwit[0].scriptWitness.stack = [b"dummy"] * 2
txHex = tx.serialize ().hex ()
return txHex
def sign_transaction(node, unsignedtx):
rawtx = ToHex(unsignedtx)
signresult = node.signrawtransactionwithwallet(rawtx)
tx = CTransaction()
f = BytesIO(hex_str_to_bytes(signresult['hex']))
tx.deserialize(f)
return tx
def create_transaction(node, txid, to_address, amount):
inputs = [{"txid": txid, "vout": 0}]
outputs = {to_address: amount}
rawtx = node.createrawtransaction(inputs, outputs)
tx = CTransaction()
f = BytesIO(hex_str_to_bytes(rawtx))
tx.deserialize(f)
return tx
def create_transaction(self, node, txid, to_address, amount):
inputs = [{ "txid" : txid, "vout" : 0}]
outputs = { to_address : amount }
rawtx = node.createrawtransaction(inputs, outputs)
signresult = node.signrawtransactionwithwallet(rawtx)
tx = CTransaction()
f = BytesIO(hex_str_to_bytes(signresult['hex']))
tx.deserialize(f)
return tx
def get_tx(self):
num_indices = len(self.spend_tx.vin)
bad_idx = num_indices + 100
tx = CTransaction()
tx.vin.append(CTxIn(COutPoint(self.spend_tx.sha256, bad_idx), b"", 0xffffffff))
tx.vout.append(CTxOut(0, basic_p2sh))
tx.calc_sha256()
return tx
def setScriptSigOps (self, txHex, ind, scriptSigOps):
"""
Update the given hex transaction by setting the scriptSig for the
input with the given index.
"""
tx = CTransaction ()
tx.deserialize (io.BytesIO (hex_str_to_bytes (txHex)))
tx.vin[ind].scriptSig = CScript (scriptSigOps)
return tx.serialize ().hex ()
def _zmq_test(self):
num_blocks = 5
self.log.info("Generate %(n)d blocks (and %(n)d coinbase txes)" % {"n": num_blocks})
genhashes = self.nodes[0].generatetoaddress(num_blocks, ADDRESS_BCRT1_UNSPENDABLE)
self.sync_all()
for x in range(num_blocks):
# Should receive the coinbase txid.
txid = self.hashtx.receive()
# Should receive the coinbase raw transaction.
hex = self.rawtx.receive()
tx = CTransaction()
tx.deserialize(BytesIO(hex))
tx.calc_sha256()
assert_equal(tx.hash, txid.hex())
# Should receive the generated block hash.
hash = self.hashblock.receive().hex()
assert_equal(genhashes[x], hash)
# The block should only have the coinbase txid.
assert_equal([txid.hex()], self.nodes[1].getblock(hash)["tx"])
# Should receive the generated raw block.
block = self.rawblock.receive()
assert_equal(genhashes[x], hash256(block[:80]).hex())
if self.is_wallet_compiled():
self.log.info("Wait for tx from second node")
payment_txid = self.nodes[1].sendtoaddress(self.nodes[0].getnewaddress(), 1.0)
self.sync_all()
# Should receive the broadcasted txid.
txid = self.hashtx.receive()
assert_equal(payment_txid, txid.hex())
# Should receive the broadcasted raw transaction.
hex = self.rawtx.receive()
assert_equal(payment_txid, hash256(hex).hex())
self.log.info("Test the getzmqnotifications RPC")
assert_equal(self.nodes[0].getzmqnotifications(), [
{"type": "pubhashblock", "address": ADDRESS, "hwm": 1000},
{"type": "pubhashtx", "address": ADDRESS, "hwm": 1000},
{"type": "pubrawblock", "address": ADDRESS, "hwm": 1000},
{"type": "pubrawtx", "address": ADDRESS, "hwm": 1000},
])
assert_equal(self.nodes[1].getzmqnotifications(), [])
def build_block_with_transactions(self, node, utxo, num_transactions):
block = self.build_block_on_tip(node)
for i in range(num_transactions):
tx = CTransaction()
tx.vin.append(CTxIn(COutPoint(utxo[0], utxo[1]), b''))
tx.vout.append(CTxOut(utxo[2] - 1000, CScript([OP_TRUE, OP_DROP] * 15 + [OP_TRUE])))
tx.rehash()
utxo = [tx.sha256, 0, tx.vout[0].nValue]
block.vtx.append(tx)
block.hashMerkleRoot = block.calc_merkle_root()
block.solve()
return block
def submit_block_with_tx(node, tx):
ctx = CTransaction()
ctx.deserialize(io.BytesIO(hex_str_to_bytes(tx)))
tip = node.getbestblockhash()
height = node.getblockcount() + 1
block_time = node.getblockheader(tip)["mediantime"] + 1
block = create_block(int(tip, 16), create_coinbase(height), block_time)
block.vtx.append(ctx)
block.rehash()
block.hashMerkleRoot = block.calc_merkle_root()
add_witness_commitment(block)
block.solve()
node.submitblock(block.serialize(True).hex())
return block
def cltv_validate(node, tx, height):
'''Modify the signature in vin 0 of the tx to pass CLTV
Prepends <height> CLTV DROP in the scriptSig, and sets
the locktime to height'''
tx.vin[0].nSequence = 0
tx.nLockTime = height
# Need to re-sign, since nSequence and nLockTime changed
signed_result = node.signrawtransactionwithwallet(ToHex(tx))
new_tx = CTransaction()
new_tx.deserialize(BytesIO(hex_str_to_bytes(signed_result['hex'])))
new_tx.vin[0].scriptSig = CScript([CScriptNum(height), OP_CHECKLOCKTIMEVERIFY, OP_DROP] +
list(CScript(new_tx.vin[0].scriptSig)))
return new_tx
def test_simple_doublespend(self):
"""Simple doublespend"""
tx0_outpoint = make_utxo(self.nodes[0], int(1.1*COIN))
# make_utxo may have generated a bunch of blocks, so we need to sync
# before we can spend the coins generated, or else the resulting
# transactions might not be accepted by our peers.
self.sync_all()
feeout = CTxOut(int(0.1*COIN), CScript())
tx1a = CTransaction()
tx1a.vin = [CTxIn(tx0_outpoint, nSequence=0)]
tx1a.vout = [CTxOut(1 * COIN, CScript([b'a' * 35])), feeout]
tx1a_hex = txToHex(tx1a)
tx1a_txid = self.nodes[0].sendrawtransaction(tx1a_hex, True)
self.sync_all()
# Should fail because we haven't changed the fee
tx1b = CTransaction()
tx1b.vin = [CTxIn(tx0_outpoint, nSequence=0)]
tx1b.vout = [CTxOut(1 * COIN, CScript([b'b' * 35])), feeout]
tx1b_hex = txToHex(tx1b)
# This will raise an exception due to insufficient fee
assert_raises_rpc_error(-26, "insufficient fee", self.nodes[0].sendrawtransaction, tx1b_hex, True)
# This will raise an exception due to transaction replacement being disabled
assert_raises_rpc_error(-26, "txn-mempool-conflict", self.nodes[1].sendrawtransaction, tx1b_hex, True)
# Extra 0.1 BTC fee
tx1b = CTransaction()
tx1b.vin = [CTxIn(tx0_outpoint, nSequence=0)]
tx1b.vout = [CTxOut(int(0.9 * COIN), CScript([b'b' * 35])), feeout, feeout]
tx1b_hex = txToHex(tx1b)
# Replacement still disabled even with "enough fee"
assert_raises_rpc_error(-26, "txn-mempool-conflict", self.nodes[1].sendrawtransaction, tx1b_hex, True)
# Works when enabled
tx1b_txid = self.nodes[0].sendrawtransaction(tx1b_hex, True)
mempool = self.nodes[0].getrawmempool()
assert (tx1a_txid not in mempool)
assert (tx1b_txid in mempool)
assert_equal(tx1b_hex, self.nodes[0].getrawtransaction(tx1b_txid))
# Second node is running mempoolreplacement=0, will not replace originally-seen txn
mempool = self.nodes[1].getrawmempool()
assert tx1a_txid in mempool
assert tx1b_txid not in mempool
def make_utxo(node, amount, confirmed=True, scriptPubKey=CScript([1])):
"""Create a txout with a given amount and scriptPubKey
Mines coins as needed.
confirmed - txouts created will be confirmed in the blockchain;
unconfirmed otherwise.
"""
fee = 1*COIN
while node.getbalance() < satoshi_round((amount + fee)/COIN):
node.generate(100)
new_addr = node.getnewaddress()
txid = node.sendtoaddress(new_addr, satoshi_round((amount+fee)/COIN))
tx1 = node.getrawtransaction(txid, 1)
txid = int(txid, 16)
i = None
for i, txout in enumerate(tx1['vout']):
if txout['scriptPubKey']['addresses'] == [new_addr]:
break
assert i is not None
tx2 = CTransaction()
tx2.vin = [CTxIn(COutPoint(txid, i))]
tx2.vout = [CTxOut(amount, scriptPubKey)]
tx2.rehash()
signed_tx = node.signrawtransactionwithwallet(txToHex(tx2))
txid = node.sendrawtransaction(signed_tx['hex'], True)
# If requested, ensure txouts are confirmed.
if confirmed:
mempool_size = len(node.getrawmempool())
while mempool_size > 0:
node.generate(1)
new_size = len(node.getrawmempool())
# Error out if we have something stuck in the mempool, as this
# would likely be a bug.
assert(new_size < mempool_size)
mempool_size = new_size
return COutPoint(int(txid, 16), 0)
def make_utxos(self):
block = self.build_block_on_tip(self.nodes[0])
self.segwit_node.send_and_ping(msg_block(block))
assert int(self.nodes[0].getbestblockhash(), 16) == block.sha256
self.nodes[0].generatetoaddress(100, self.nodes[0].getnewaddress(address_type="bech32"))
total_value = block.vtx[0].vout[0].nValue
out_value = total_value // 10
tx = CTransaction()
tx.vin.append(CTxIn(COutPoint(block.vtx[0].sha256, 0), b''))
for i in range(10):
tx.vout.append(CTxOut(out_value, CScript([OP_TRUE])))
tx.rehash()
block2 = self.build_block_on_tip(self.nodes[0])
block2.vtx.append(tx)
block2.hashMerkleRoot = block2.calc_merkle_root()
block2.solve()
self.segwit_node.send_and_ping(msg_block(block2))
assert_equal(int(self.nodes[0].getbestblockhash(), 16), block2.sha256)
self.utxos.extend([[tx.sha256, i, out_value] for i in range(10)])
def make_utxo(node, amount, confirmed=True, scriptPubKey=CScript([1])):
"""Create a txout with a given amount and scriptPubKey
Mines coins as needed.
confirmed - txouts created will be confirmed in the blockchain;
unconfirmed otherwise.
"""
fee = 1*COIN
while node.getbalance()['bitcoin'] < satoshi_round((amount + fee)/COIN):
node.generate(100)
new_addr = node.getnewaddress()
unblinded_addr = node.validateaddress(new_addr)["unconfidential"]
txidstr = node.sendtoaddress(new_addr, satoshi_round((amount+fee)/COIN))
tx1 = node.getrawtransaction(txidstr, 1)
txid = int(txidstr, 16)
i = None
for i, txout in enumerate(tx1['vout']):
if txout['scriptPubKey']['type'] == "fee":
continue # skip fee outputs
if txout['scriptPubKey']['addresses'] == [unblinded_addr]:
break
assert i is not None
tx2 = CTransaction()
tx2.vin = [CTxIn(COutPoint(txid, i))]
tx1raw = CTransaction()
tx1raw.deserialize(BytesIO(hex_str_to_bytes(node.getrawtransaction(txidstr))))
feeout = CTxOut(CTxOutValue(tx1raw.vout[i].nValue.getAmount() - amount))
tx2.vout = [CTxOut(amount, scriptPubKey), feeout]
tx2.rehash()
signed_tx = node.signrawtransactionwithwallet(txToHex(tx2))
txid = node.sendrawtransaction(signed_tx['hex'], True)
# If requested, ensure txouts are confirmed.
if confirmed:
mempool_size = len(node.getrawmempool())
while mempool_size > 0:
node.generate(1)
new_size = len(node.getrawmempool())
# Error out if we have something stuck in the mempool, as this
# would likely be a bug.
assert(new_size < mempool_size)
mempool_size = new_size
return COutPoint(int(txid, 16), 0)
def test_disable_flag(self):
# Create some unconfirmed inputs
new_addr = self.nodes[0].getnewaddress()
self.nodes[0].sendtoaddress(new_addr, 2) # send 2 BTC
utxos = self.nodes[0].listunspent(0, 0)
assert len(utxos) > 0
utxo = utxos[0]
tx1 = CTransaction()
value = int(satoshi_round(utxo["amount"] - self.relayfee)*COIN)
# Check that the disable flag disables relative locktime.
# If sequence locks were used, this would require 1 block for the
# input to mature.
sequence_value = SEQUENCE_LOCKTIME_DISABLE_FLAG | 1
tx1.vin = [CTxIn(COutPoint(int(utxo["txid"], 16), utxo["vout"]), nSequence=sequence_value)]
tx1.vout = [CTxOut(value, CScript([b'a']))]
tx1_signed = self.nodes[0].signrawtransactionwithwallet(ToHex(tx1))["hex"]
tx1_id = self.nodes[0].sendrawtransaction(tx1_signed)
tx1_id = int(tx1_id, 16)
# This transaction will enable sequence-locks, so this transaction should
# fail
tx2 = CTransaction()
tx2.nVersion = 2
sequence_value = sequence_value & 0x7fffffff
tx2.vin = [CTxIn(COutPoint(tx1_id, 0), nSequence=sequence_value)]
tx2.vout = [CTxOut(int(value - self.relayfee * COIN), CScript([b'a' * 35]))]
tx2.rehash()
assert_raises_rpc_error(-26, NOT_FINAL_ERROR, self.nodes[0].sendrawtransaction, ToHex(tx2))
# Setting the version back down to 1 should disable the sequence lock,
# so this should be accepted.
tx2.nVersion = 1
self.nodes[0].sendrawtransaction(ToHex(tx2))
def _zmq_test(self):
num_blocks = 5
self.log.info("Generate %(n)d blocks (and %(n)d coinbase txes)" % {"n": num_blocks})
genhashes = self.nodes[0].generate(num_blocks)
self.sync_all()
for x in range(num_blocks):
# Should receive the coinbase txid.
txid = self.hashtx.receive()
# Should receive the coinbase raw transaction.
hex = self.rawtx.receive()
tx = CTransaction()
tx.deserialize(BytesIO(hex))
tx.calc_sha256()
assert_equal(tx.hash, bytes_to_hex_str(txid))
# Should receive the generated block hash.
hash = bytes_to_hex_str(self.hashblock.receive())
assert_equal(genhashes[x], hash)
# The block should only have the coinbase txid.
assert_equal([bytes_to_hex_str(txid)], self.nodes[1].getblock(hash)["tx"])
# Should receive the generated raw block.
block = self.rawblock.receive()
# 79 bytes, last byte is saying block solution is "", ellide this for hash
assert_equal(genhashes[x], bytes_to_hex_str(hash256(block[:78])))
self.log.info("Wait for tx from second node")
payment_txid = self.nodes[1].sendtoaddress(self.nodes[0].getnewaddress(), 1.0)
self.sync_all()
# Should receive the broadcasted txid.
txid = self.hashtx.receive()
assert_equal(payment_txid, bytes_to_hex_str(txid))
# Should receive the broadcasted raw transaction.
hex = self.rawtx.receive()
assert_equal(payment_txid, bytes_to_hex_str(hash256(hex)))
def tryUpdateInBlock (self, name, value, addr, withWitness):
"""
Tries to update the given name with a dummy witness directly in a block
(to bypass any checks done on the mempool).
"""
txHex = self.buildDummySegwitNameUpdate (name, value, addr)
tx = CTransaction ()
tx.deserialize (io.BytesIO (hex_str_to_bytes (txHex)))
tip = self.node.getbestblockhash ()
height = self.node.getblockcount () + 1
nTime = self.node.getblockheader (tip)["mediantime"] + 1
block = create_block (int (tip, 16), create_coinbase (height), nTime,
version=4)
block.vtx.append (tx)
add_witness_commitment (block, 0)
block.solve ()
blkHex = block.serialize (withWitness).hex ()
return self.node.submitblock (blkHex)
def make_utxos(self):
# Doesn't matter which node we use, just use node0.
block = self.build_block_on_tip(self.nodes[0])
self.test_node.send_and_ping(msg_block(block))
assert(int(self.nodes[0].getbestblockhash(), 16) == block.sha256)
self.nodes[0].generate(100)
total_value = block.vtx[0].vout[0].nValue
out_value = total_value // 10
tx = CTransaction()
tx.vin.append(CTxIn(COutPoint(block.vtx[0].sha256, 0), b''))
for i in range(10):
tx.vout.append(CTxOut(out_value, CScript([OP_TRUE])))
tx.rehash()
block2 = self.build_block_on_tip(self.nodes[0])
block2.vtx.append(tx)
block2.hashMerkleRoot = block2.calc_merkle_root()
block2.solve()
self.test_node.send_and_ping(msg_block(block2))
assert_equal(int(self.nodes[0].getbestblockhash(), 16), block2.sha256)
self.utxos.extend([[tx.sha256, i, out_value] for i in range(10)])
return
def test_doublespend_chain(self):
"""Doublespend of a long chain"""
initial_nValue = 50*COIN
tx0_outpoint = make_utxo(self.nodes[0], initial_nValue)
prevout = tx0_outpoint
remaining_value = initial_nValue
chain_txids = []
while remaining_value > 10*COIN:
remaining_value -= 1*COIN
tx = CTransaction()
tx.vin = [CTxIn(prevout, nSequence=0)]
feeout = CTxOut(1*COIN)
tx.vout = [CTxOut(remaining_value, CScript([1, OP_DROP] * 15 + [1])), feeout]
tx_hex = txToHex(tx)
txid = self.nodes[0].sendrawtransaction(tx_hex, True)
chain_txids.append(txid)
prevout = COutPoint(int(txid, 16), 0)
# Whether the double-spend is allowed is evaluated by including all
# child fees - 40 BTC - so this attempt is rejected.
dbl_tx = CTransaction()
dbl_tx.vin = [CTxIn(tx0_outpoint, nSequence=0)]
dbl_tx.vout = [CTxOut(initial_nValue - 30 * COIN, CScript([1] * 35)), CTxOut(30*COIN)]
dbl_tx_hex = txToHex(dbl_tx)
# This will raise an exception due to insufficient fee
assert_raises_rpc_error(-26, "insufficient fee", self.nodes[0].sendrawtransaction, dbl_tx_hex, True)
# Accepted with sufficient fee
dbl_tx = CTransaction()
dbl_tx.vin = [CTxIn(tx0_outpoint, nSequence=0)]
dbl_tx.vout = [CTxOut(1 * COIN, CScript([1] * 35)), CTxOut(49*COIN)]
dbl_tx_hex = txToHex(dbl_tx)
self.nodes[0].sendrawtransaction(dbl_tx_hex, True)
mempool = self.nodes[0].getrawmempool()
for doublespent_txid in chain_txids:
assert(doublespent_txid not in mempool)
def create_and_mine_tx_from_txids(self, txids, success = True):
tx = CTransaction()
for i in txids:
txtmp = CTransaction()
txraw = self.nodes[0].getrawtransaction(i)
f = BytesIO(hex_str_to_bytes(txraw))
txtmp.deserialize(f)
for j in range(len(txtmp.vout)):
tx.vin.append(CTxIn(COutPoint(int('0x'+i,0), j)))
tx.vout.append(CTxOut(0, CScript()))
tx.rehash()
signresults = self.nodes[0].signrawtransactionwithwallet(bytes_to_hex_str(tx.serialize_without_witness()))['hex']
self.nodes[0].sendrawtransaction(signresults, True)
self.nodes[0].generate(1)
sync_blocks(self.nodes)
def test_new_unconfirmed_inputs(self):
"""Replacements that add new unconfirmed inputs are rejected"""
confirmed_utxo = make_utxo(self.nodes[0], int(1.1*COIN))
unconfirmed_utxo = make_utxo(self.nodes[0], int(0.1*COIN), False)
tx1 = CTransaction()
tx1.vin = [CTxIn(confirmed_utxo)]
tx1.vout = [CTxOut(1 * COIN, CScript([b'a' * 35]))]
tx1_hex = txToHex(tx1)
self.nodes[0].sendrawtransaction(tx1_hex, True)
tx2 = CTransaction()
tx2.vin = [CTxIn(confirmed_utxo), CTxIn(unconfirmed_utxo)]
tx2.vout = tx1.vout
tx2_hex = txToHex(tx2)
# This will raise an exception
assert_raises_rpc_error(-26, "replacement-adds-unconfirmed", self.nodes[0].sendrawtransaction, tx2_hex, True)
def test_replacement_feeperkb(self):
"""Replacement requires fee-per-KB to be higher"""
tx0_outpoint = make_utxo(self.nodes[0], int(1.1*COIN))
tx1a = CTransaction()
tx1a.vin = [CTxIn(tx0_outpoint, nSequence=0)]
tx1a.vout = [CTxOut(1 * COIN, CScript([b'a' * 35]))]
tx1a_hex = txToHex(tx1a)
self.nodes[0].sendrawtransaction(tx1a_hex, True)
# Higher fee, but the fee per KB is much lower, so the replacement is
# rejected.
tx1b = CTransaction()
tx1b.vin = [CTxIn(tx0_outpoint, nSequence=0)]
tx1b.vout = [CTxOut(int(0.001*COIN), CScript([b'a'*999000]))]
tx1b_hex = txToHex(tx1b)
# This will raise an exception due to insufficient fee
assert_raises_rpc_error(-26, "insufficient fee", self.nodes[0].sendrawtransaction, tx1b_hex, True)
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.sha256, 0), nSequence=sequence_value)]
tx.vout = [CTxOut(int(orig_tx.vout[0].nValue - relayfee * COIN), CScript([b'a' * 35]))]
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, ToHex(tx))
else:
# sendrawtransaction should succeed if the tx is not in the mempool
node.sendrawtransaction(ToHex(tx))
return tx
def sign_stake_tx(self, block, stake_in_value, fZPoS=False):
''' signs a coinstake transaction
:param block: (CBlock) block with stake to sign
stake_in_value: (int) staked amount
fZPoS: (bool) zerocoin stake
:return: stake_tx_signed: (CTransaction) signed tx
'''
self.block_sig_key = CECKey()
if fZPoS:
self.log.info("Signing zPoS stake...")
# Create raw zerocoin stake TX (signed)
raw_stake = self.node.createrawzerocoinstake(block.prevoutStake)
stake_tx_signed_raw_hex = raw_stake["hex"]
# Get stake TX private key to sign the block with
stake_pkey = raw_stake["private-key"]
self.block_sig_key.set_compressed(True)
self.block_sig_key.set_secretbytes(bytes.fromhex(stake_pkey))
else:
# Create a new private key and get the corresponding public key
self.block_sig_key.set_secretbytes(hash256(pack('<I', 0xffff)))
pubkey = self.block_sig_key.get_pubkey()
# Create the raw stake TX (unsigned)
scriptPubKey = CScript([pubkey, OP_CHECKSIG])
outNValue = int(stake_in_value + 2*COIN)
stake_tx_unsigned = CTransaction()
stake_tx_unsigned.nTime = block.nTime
stake_tx_unsigned.vin.append(CTxIn(block.prevoutStake))
stake_tx_unsigned.vin[0].nSequence = 0xffffffff
stake_tx_unsigned.vout.append(CTxOut())
stake_tx_unsigned.vout.append(CTxOut(outNValue, scriptPubKey))
# Sign the stake TX
stake_tx_signed_raw_hex = self.node.signrawtransaction(bytes_to_hex_str(stake_tx_unsigned.serialize()))['hex']
# Deserialize the signed raw tx into a CTransaction object and return it
stake_tx_signed = CTransaction()
stake_tx_signed.deserialize(BytesIO(hex_str_to_bytes(stake_tx_signed_raw_hex)))
return stake_tx_signed
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 i in range(3)]
addr2 = [self.nodes[2].getnewaddress() for i 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, 0.0001)
txid2 = self.nodes[2].sendtoaddress(self.nodes[0].getnewaddress(), 0.2)
tx2 = self.nodes[2].getrawtransaction(txid2, True)
# txid2 should have 2 inputs and 2 outputs
assert_equal(2, len(tx2["vin"]))
assert_equal(2, len(tx2["vout"]))
# one output should be 0.2, the other should be ~1.3
v = [vout["value"] for vout in tx2["vout"]]
v.sort()
assert_approx(v[0], 0.2)
assert_approx(v[1], 1.3, 0.0001)
# 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):
raw_tx = self.nodes[0].createrawtransaction([{
"txid": "0" * 64,
"vout": 0
}], [{
addr2[0]: 0.05
}])
tx = FromHex(CTransaction(), raw_tx)
tx.vin = []
tx.vout = [tx.vout[0]] * 2000
funded_tx = self.nodes[0].fundrawtransaction(ToHex(tx))
signed_tx = self.nodes[0].signrawtransactionwithwallet(
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)
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')
coin = coins.pop() # Pick a random coin(base) to spend
raw_tx_in_block = node.signrawtransactionwithwallet(
node.createrawtransaction(
inputs=[{
'txid': coin['txid'],
'vout': coin['vout']
}],
outputs=[{
node.getnewaddress(): 0.3
}, {
node.getnewaddress(): 49
}],
))['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': '18: txn-already-known'
}],
rawtxs=[raw_tx_in_block],
)
self.log.info('A transaction not in the mempool')
fee = 0.00000700
raw_tx_0 = node.signrawtransactionwithwallet(
node.createrawtransaction(
inputs=[{
"txid": txid_in_block,
"vout": 0,
"sequence": BIP125_SEQUENCE_NUMBER
}], # RBF is used later
outputs=[{
node.getnewaddress(): 0.3 - fee
}],
))['hex']
tx = CTransaction()
tx.deserialize(BytesIO(hex_str_to_bytes(raw_tx_0)))
txid_0 = tx.rehash()
self.check_mempool_result(
result_expected=[{
'txid': txid_0,
'allowed': True
}],
rawtxs=[raw_tx_0],
)
self.log.info('A final transaction not in the mempool')
coin = coins.pop() # Pick a random coin(base) to spend
raw_tx_final = node.signrawtransactionwithwallet(
node.createrawtransaction(
inputs=[{
'txid': coin['txid'],
'vout': coin['vout'],
"sequence": 0xffffffff
}], # SEQUENCE_FINAL
outputs=[{
node.getnewaddress(): 0.025
}],
locktime=node.getblockcount() + 2000, # Can be anything
))['hex']
tx.deserialize(BytesIO(hex_str_to_bytes(raw_tx_final)))
self.check_mempool_result(
result_expected=[{
'txid': tx.rehash(),
'allowed': True
}],
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': '18: txn-already-in-mempool'
}],
rawtxs=[raw_tx_0],
)
self.log.info('A transaction that replaces a mempool transaction')
tx.deserialize(BytesIO(hex_str_to_bytes(raw_tx_0)))
tx.vout[0].nValue -= int(fee * COIN) # Double the fee
tx.vin[0].nSequence = BIP125_SEQUENCE_NUMBER + 1 # Now, opt out of RBF
raw_tx_0 = node.signrawtransactionwithwallet(
tx.serialize().hex())['hex']
tx.deserialize(BytesIO(hex_str_to_bytes(raw_tx_0)))
txid_0 = tx.rehash()
self.check_mempool_result(
result_expected=[{
'txid': txid_0,
'allowed': True
}],
rawtxs=[raw_tx_0],
)
self.log.info('A transaction that conflicts with an unconfirmed tx')
# Send the transaction that replaces the mempool transaction and opts out of replaceability
node.sendrawtransaction(hexstring=tx.serialize().hex(), maxfeerate=0)
# take original raw_tx_0
tx.deserialize(BytesIO(hex_str_to_bytes(raw_tx_0)))
tx.vout[0].nValue -= int(4 * fee * COIN) # Set more fee
# skip re-signing the tx
self.check_mempool_result(
result_expected=[{
'txid': tx.rehash(),
'allowed': False,
'reject-reason': '18: txn-mempool-conflict'
}],
rawtxs=[tx.serialize().hex()],
maxfeerate=0,
)
self.log.info('A transaction with missing inputs, that never existed')
tx.deserialize(BytesIO(hex_str_to_bytes(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=[tx.serialize().hex()],
)
self.log.info(
'A transaction with missing inputs, that existed once in the past')
tx.deserialize(BytesIO(hex_str_to_bytes(raw_tx_0)))
tx.vin[
0].prevout.n = 1 # Set vout to 1, to spend the other outpoint (49 coins) of the in-chain-tx we want to double spend
raw_tx_1 = node.signrawtransactionwithwallet(
tx.serialize().hex())['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(): 0.1
}]))['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(): 0.05
}],
))['hex']
tx.deserialize(BytesIO(hex_str_to_bytes(raw_tx_reference)))
# Reference tx should be valid on itself
self.check_mempool_result(
result_expected=[{
'txid': tx.rehash(),
'allowed': True
}],
rawtxs=[tx.serialize().hex()],
maxfeerate=0,
)
self.log.info('A transaction with no outputs')
tx.deserialize(BytesIO(hex_str_to_bytes(raw_tx_reference)))
tx.vout = []
# Skip re-signing the transaction for context independent checks from now on
# tx.deserialize(BytesIO(hex_str_to_bytes(node.signrawtransactionwithwallet(tx.serialize().hex())['hex'])))
self.check_mempool_result(
result_expected=[{
'txid': tx.rehash(),
'allowed': False,
'reject-reason': '16: bad-txns-vout-empty'
}],
rawtxs=[tx.serialize().hex()],
)
self.log.info('A really large transaction')
tx.deserialize(BytesIO(hex_str_to_bytes(raw_tx_reference)))
tx.vin = [tx.vin[0]] * math.ceil(
MAX_BLOCK_BASE_SIZE / len(tx.vin[0].serialize()))
self.check_mempool_result(
result_expected=[{
'txid': tx.rehash(),
'allowed': False,
'reject-reason': '16: bad-txns-oversize'
}],
rawtxs=[tx.serialize().hex()],
)
self.log.info('A transaction with negative output value')
tx.deserialize(BytesIO(hex_str_to_bytes(raw_tx_reference)))
tx.vout[0].nValue *= -1
self.check_mempool_result(
result_expected=[{
'txid': tx.rehash(),
'allowed': False,
'reject-reason': '16: bad-txns-vout-negative'
}],
rawtxs=[tx.serialize().hex()],
)
# 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.deserialize(BytesIO(hex_str_to_bytes(raw_tx_reference)))
tx.vout[0].nValue = 21000000 * COIN + 1
self.check_mempool_result(
result_expected=[{
'txid': tx.rehash(),
'allowed': False,
'reject-reason': '16: bad-txns-vout-toolarge'
}],
rawtxs=[tx.serialize().hex()],
)
self.log.info('A transaction with too large sum of output values')
tx.deserialize(BytesIO(hex_str_to_bytes(raw_tx_reference)))
tx.vout = [tx.vout[0]] * 2
tx.vout[0].nValue = 21000000 * COIN
self.check_mempool_result(
result_expected=[{
'txid':
tx.rehash(),
'allowed':
False,
'reject-reason':
'16: bad-txns-txouttotal-toolarge'
}],
rawtxs=[tx.serialize().hex()],
)
self.log.info('A transaction with duplicate inputs')
tx.deserialize(BytesIO(hex_str_to_bytes(raw_tx_reference)))
tx.vin = [tx.vin[0]] * 2
self.check_mempool_result(
result_expected=[{
'txid': tx.rehash(),
'allowed': False,
'reject-reason': '16: bad-txns-inputs-duplicate'
}],
rawtxs=[tx.serialize().hex()],
)
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.deserialize(BytesIO(hex_str_to_bytes(raw_tx_coinbase_spent)))
self.check_mempool_result(
result_expected=[{
'txid': tx.rehash(),
'allowed': False,
'reject-reason': '16: coinbase'
}],
rawtxs=[tx.serialize().hex()],
)
self.log.info('Some nonstandard transactions')
tx.deserialize(BytesIO(hex_str_to_bytes(raw_tx_reference)))
tx.nVersion = 3 # A version currently non-standard
self.check_mempool_result(
result_expected=[{
'txid': tx.rehash(),
'allowed': False,
'reject-reason': '64: version'
}],
rawtxs=[tx.serialize().hex()],
)
tx.deserialize(BytesIO(hex_str_to_bytes(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': '64: scriptpubkey'
}],
rawtxs=[tx.serialize().hex()],
)
tx.deserialize(BytesIO(hex_str_to_bytes(raw_tx_reference)))
tx.vin[0].scriptSig = CScript([OP_HASH160
]) # Some not-pushonly scriptSig
self.check_mempool_result(
result_expected=[{
'txid': tx.rehash(),
'allowed': False,
'reject-reason': '64: scriptsig-not-pushonly'
}],
rawtxs=[tx.serialize().hex()],
)
tx.deserialize(BytesIO(hex_str_to_bytes(raw_tx_reference)))
output_p2sh_burn = CTxOut(nValue=540,
scriptPubKey=CScript(
[OP_HASH160,
hash160(b'burn'), OP_EQUAL]))
num_scripts = 100000 // len(output_p2sh_burn.serialize(
)) # Use enough outputs to make the tx too large for our policy
tx.vout = [output_p2sh_burn] * num_scripts
self.check_mempool_result(
result_expected=[{
'txid': tx.rehash(),
'allowed': False,
'reject-reason': '64: tx-size'
}],
rawtxs=[tx.serialize().hex()],
)
tx.deserialize(BytesIO(hex_str_to_bytes(raw_tx_reference)))
tx.vout[0] = output_p2sh_burn
tx.vout[
0].nValue -= 1 # Make output smaller, such that it is dust for our policy
self.check_mempool_result(
result_expected=[{
'txid': tx.rehash(),
'allowed': False,
'reject-reason': '64: dust'
}],
rawtxs=[tx.serialize().hex()],
)
tx.deserialize(BytesIO(hex_str_to_bytes(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': '64: multi-op-return'
}],
rawtxs=[tx.serialize().hex()],
)
self.log.info('A timelocked transaction')
tx.deserialize(BytesIO(hex_str_to_bytes(raw_tx_reference)))
tx.vin[
0].nSequence -= 1 # Should be non-max, so locktime is not ignored
tx.nLockTime = node.getblockcount() + 1
self.check_mempool_result(
result_expected=[{
'txid': tx.rehash(),
'allowed': False,
'reject-reason': '64: non-final'
}],
rawtxs=[tx.serialize().hex()],
)
self.log.info('A transaction that is locked by BIP68 sequence logic')
tx.deserialize(BytesIO(hex_str_to_bytes(raw_tx_reference)))
tx.vin[
0].nSequence = 2 # We could include it in the second block mined from now, but not the very next one
# Can skip re-signing the tx because of early rejection
self.check_mempool_result(
result_expected=[{
'txid': tx.rehash(),
'allowed': False,
'reject-reason': '64: non-BIP68-final'
}],
rawtxs=[tx.serialize().hex()],
maxfeerate=0,
)
def create_spam_block(self,
hashPrevBlock,
stakingPrevOuts,
height,
fStakeDoubleSpent=False,
fZPoS=False,
spendingPrevOuts={}):
''' creates a block to spam the network with
:param hashPrevBlock: (hex string) hash of previous block
stakingPrevOuts: ({COutPoint --> (int, int, int, str)} dictionary)
map outpoints (to be used as staking inputs) to amount, block_time, nStakeModifier, hashStake
height: (int) block height
fStakeDoubleSpent: (bool) spend the coinstake input inside the block
fZPoS: (bool) stake the block with zerocoin
spendingPrevOuts: ({COutPoint --> (int, int, int, str)} dictionary)
map outpoints (to be used as tx inputs) to amount, block_time, nStakeModifier, hashStake
:return block: (CBlock) generated block
'''
# If not given inputs to create spam txes, use a copy of the staking inputs
if len(spendingPrevOuts) == 0:
spendingPrevOuts = dict(stakingPrevOuts)
# Get current time
current_time = int(time.time())
nTime = current_time & 0xfffffff0
# Create coinbase TX
# Even if PoS blocks have empty coinbase vout, the height is required for the vin script
coinbase = create_coinbase(height)
coinbase.vout[0].nValue = 0
coinbase.vout[0].scriptPubKey = b""
coinbase.nTime = nTime
coinbase.rehash()
# Create Block with coinbase
block = create_block(int(hashPrevBlock, 16), coinbase, nTime)
# Find valid kernel hash - Create a new private key used for block signing.
if not block.solve_stake(stakingPrevOuts):
raise Exception("Not able to solve for any prev_outpoint")
# Sign coinstake TX and add it to the block
signed_stake_tx = self.sign_stake_tx(
block, stakingPrevOuts[block.prevoutStake][0], fZPoS)
block.vtx.append(signed_stake_tx)
# Remove coinstake input prevout unless we want to try double spending in the same block.
# Skip for zPoS as the spendingPrevouts are just regular UTXOs
if not fZPoS and not fStakeDoubleSpent:
del spendingPrevOuts[block.prevoutStake]
# remove a random prevout from the list
# (to randomize block creation if the same height is picked two times)
if len(spendingPrevOuts) > 0:
del spendingPrevOuts[choice(list(spendingPrevOuts))]
# Create spam for the block. Sign the spendingPrevouts
for outPoint in spendingPrevOuts:
value_out = int(spendingPrevOuts[outPoint][0] -
self.DEFAULT_FEE * COIN)
tx = create_transaction(outPoint,
b"",
value_out,
nTime,
scriptPubKey=CScript([
self.block_sig_key.get_pubkey(),
OP_CHECKSIG
]))
# sign txes
signed_tx_hex = self.node.signrawtransaction(
bytes_to_hex_str(tx.serialize()))['hex']
signed_tx = CTransaction()
signed_tx.deserialize(BytesIO(hex_str_to_bytes(signed_tx_hex)))
block.vtx.append(signed_tx)
# Get correct MerkleRoot and rehash block
block.hashMerkleRoot = block.calc_merkle_root()
block.rehash()
# Sign block with coinstake key and return it
block.sign_block(self.block_sig_key)
return block
def test_simple_doublespend(self):
"""Simple doublespend"""
tx0_outpoint = make_utxo(self.nodes[0], int(1.1 * COIN))
# make_utxo may have generated a bunch of blocks, so we need to sync
# before we can spend the coins generated, or else the resulting
# transactions might not be accepted by our peers.
self.sync_all()
tx1a = CTransaction()
tx1a.vin = [CTxIn(tx0_outpoint, nSequence=0)]
tx1a.vout = [CTxOut(1 * COIN, CScript([b'a' * 35]))]
tx1a_hex = txToHex(tx1a)
tx1a_txid = self.nodes[0].sendrawtransaction(tx1a_hex, True)
self.sync_all()
# Should fail because we haven't changed the fee
tx1b = CTransaction()
tx1b.vin = [CTxIn(tx0_outpoint, nSequence=0)]
tx1b.vout = [CTxOut(1 * COIN, CScript([b'b' * 35]))]
tx1b_hex = txToHex(tx1b)
# This will raise an exception due to insufficient fee
assert_raises_rpc_error(-26, "insufficient fee",
self.nodes[0].sendrawtransaction, tx1b_hex,
True)
# This will raise an exception due to transaction replacement being disabled
assert_raises_rpc_error(-26, "txn-mempool-conflict",
self.nodes[1].sendrawtransaction, tx1b_hex,
True)
# Extra 0.1 TDC fee
tx1b = CTransaction()
tx1b.vin = [CTxIn(tx0_outpoint, nSequence=0)]
tx1b.vout = [CTxOut(int(0.9 * COIN), CScript([b'b' * 35]))]
tx1b_hex = txToHex(tx1b)
# Replacement still disabled even with "enough fee"
assert_raises_rpc_error(-26, "txn-mempool-conflict",
self.nodes[1].sendrawtransaction, tx1b_hex,
True)
# Works when enabled
tx1b_txid = self.nodes[0].sendrawtransaction(tx1b_hex, True)
mempool = self.nodes[0].getrawmempool()
assert (tx1a_txid not in mempool)
assert (tx1b_txid in mempool)
assert_equal(tx1b_hex, self.nodes[0].getrawtransaction(tx1b_txid))
# Second node is running mempoolreplacement=0, will not replace originally-seen txn
mempool = self.nodes[1].getrawmempool()
assert tx1a_txid in mempool
assert tx1b_txid not in mempool
def tx_from_hex(hexstring):
tx = CTransaction()
f = BytesIO(hex_str_to_bytes(hexstring))
tx.deserialize(f)
return tx
def run_test(self):
self.nodes[0].generate(161) #block 161
for i in range(4 * 144 - 161):
block = create_block(
int(self.nodes[0].getbestblockhash(), 16),
create_coinbase(self.nodes[0].getblockcount() + 1),
int(time.time()) + 2 + i)
block.nVersion = 4
block.hashMerkleRoot = block.calc_merkle_root()
block.rehash()
block.solve()
self.nodes[0].submitblock(bytes_to_hex_str(block.serialize()))
self.nodes[0].generate(17)
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'] == 2000000)
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'] == 2000000)
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].getaddressinfo(newaddress)["pubkey"])
multiscript = CScript([
OP_1,
hex_str_to_bytes(self.pubkey[-1]), OP_1, OP_CHECKMULTISIG
])
p2sh_addr = self.nodes[i].addwitnessaddress(newaddress)
bip173_addr = self.nodes[i].addwitnessaddress(newaddress, False)
p2sh_ms_addr = self.nodes[i].addmultisigaddress(
1, [self.pubkey[-1]], '', 'p2sh-segwit')['address']
bip173_ms_addr = self.nodes[i].addmultisigaddress(
1, [self.pubkey[-1]], '', 'bech32')['address']
assert_equal(p2sh_addr, key_to_p2sh_p2wpkh(self.pubkey[-1]))
assert_equal(bip173_addr, key_to_p2wpkh(self.pubkey[-1]))
assert_equal(p2sh_ms_addr, script_to_p2sh_p2wsh(multiscript))
assert_equal(bip173_ms_addr, script_to_p2wsh(multiscript))
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],
INITIAL_BLOCK_REWARD), self.pubkey[n],
False, INITIAL_BLOCK_REWARD - Decimal("0.001")))
p2sh_ids[n][v].append(
send_to_witness(
v, self.nodes[0],
find_unspent(self.nodes[0],
INITIAL_BLOCK_REWARD), self.pubkey[n],
True, INITIAL_BLOCK_REWARD - Decimal("0.001")))
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 * INITIAL_BLOCK_REWARD + 20 *
(INITIAL_BLOCK_REWARD - Decimal("0.001")) + INITIAL_BLOCK_REWARD)
assert_equal(self.nodes[1].getbalance(),
20 * (INITIAL_BLOCK_REWARD - Decimal("0.001")))
assert_equal(self.nodes[2].getbalance(),
20 * (INITIAL_BLOCK_REWARD - Decimal("0.001")))
self.nodes[0].generate(260) #block 423
sync_blocks(self.nodes)
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
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.nodes[2].generate(4) # blocks 428-431
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 default node can't accept txs with missing witness")
# 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]))
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 = FromHex(
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_accept(
self.nodes[2],
'non-mandatory-script-verify-flag (Witness program hash mismatch) (code 64)',
wit_ids[NODE_2][WIT_V0][2],
sign=False)
self.fail_accept(
self.nodes[2],
'non-mandatory-script-verify-flag (Witness program was passed an empty witness) (code 64)',
wit_ids[NODE_2][WIT_V1][2],
sign=False)
self.fail_accept(
self.nodes[2],
'non-mandatory-script-verify-flag (Witness program hash mismatch) (code 64)',
p2sh_ids[NODE_2][WIT_V0][2],
sign=False,
redeem_script=witness_script(False, self.pubkey[2]))
self.fail_accept(
self.nodes[2],
'non-mandatory-script-verify-flag (Witness program was passed an empty witness) (code 64)',
p2sh_ids[NODE_2][WIT_V1][2],
sign=False,
redeem_script=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'] == 8000000)
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],
INITIAL_BLOCK_REWARD),
self.pubkey[0], False, INITIAL_BLOCK_REWARD - Decimal("0.004"))
hex_tx = self.nodes[0].gettransaction(txid)['hex']
tx = FromHex(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((INITIAL_BLOCK_REWARD - Decimal('0.01')) * COIN),
CScript([OP_TRUE, OP_DROP] * 15 + [OP_TRUE])))
tx2_hex = self.nodes[0].signrawtransactionwithwallet(ToHex(tx))['hex']
txid2 = self.nodes[0].sendrawtransaction(tx2_hex)
tx = FromHex(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((INITIAL_BLOCK_REWARD - Decimal('0.05')) * COIN),
CScript([OP_TRUE, OP_DROP] * 15 + [OP_TRUE]))) # Huge fee
tx.calc_sha256()
txid3 = self.nodes[0].sendrawtransaction(ToHex(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_sha256(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 = [
convert_btc_address_to_eurekacoin(
"mvozP4UwyGD2mGZU4D2eMvMLPB9WkMmMQu")
]
self.nodes[0].importprivkey(
"cNC8eQ5dg3mFAVePDX4ddmPYpPbw41r9bm2jd1nLJT77e6RrzTRR")
compressed_spendable_address = [
convert_btc_address_to_eurekacoin(
"mmWQubrDomqpgSYekvsU7HWEVjLFHAakLe")
]
assert ((self.nodes[0].getaddressinfo(
uncompressed_spendable_address[0])['iscompressed'] == False))
assert ((self.nodes[0].getaddressinfo(
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]
])['address'])
uncompressed_spendable_address.append(self.nodes[0].addmultisigaddress(
2, [
uncompressed_spendable_address[0],
uncompressed_spendable_address[0]
])['address'])
compressed_spendable_address.append(self.nodes[0].addmultisigaddress(
2,
[compressed_spendable_address[0], compressed_spendable_address[0]
])['address'])
uncompressed_solvable_address.append(self.nodes[0].addmultisigaddress(
2, [
compressed_spendable_address[0],
uncompressed_solvable_address[0]
])['address'])
compressed_solvable_address.append(self.nodes[0].addmultisigaddress(
2,
[compressed_spendable_address[0], compressed_solvable_address[0]
])['address'])
compressed_solvable_address.append(self.nodes[0].addmultisigaddress(
2,
[compressed_solvable_address[0], compressed_solvable_address[1]
])['address'])
unknown_address = [
convert_btc_address_to_eurekacoin(
"mtKKyoHabkk6e4ppT7NaM7THqPUt7AzPrT"),
convert_btc_address_to_eurekacoin(
"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]])['address']
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].getaddressinfo(i)
if (v['isscript']):
[bare, p2sh, p2wsh,
p2sh_p2wsh] = self.p2sh_address_to_script(v)
# p2sh multisig with compressed keys should always be spendable
spendable_anytime.extend([p2sh])
# bare multisig can be watched and signed, but is not treated as ours
solvable_after_importaddress.extend([bare])
# 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 with compressed keys are spendable after direct importaddress
spendable_after_importaddress.extend([
p2sh_p2pk, p2sh_p2pkh, p2wsh_p2pk, p2wsh_p2pkh,
p2sh_p2wsh_p2pk, p2sh_p2wsh_p2pkh
])
# P2WPKH and P2SH_P2WPKH with compressed keys should always be spendable
spendable_anytime.extend([p2wpkh, p2sh_p2wpkh])
for i in uncompressed_spendable_address:
v = self.nodes[0].getaddressinfo(i)
if (v['isscript']):
[bare, p2sh, p2wsh,
p2sh_p2wsh] = self.p2sh_address_to_script(v)
# p2sh multisig with uncompressed keys should always be spendable
spendable_anytime.extend([p2sh])
# bare multisig can be watched and signed, but is not treated as ours
solvable_after_importaddress.extend([bare])
# 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 output types 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].getaddressinfo(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, P2PK, P2WPKH and P2SH_P2WPKH with compressed keys should always be seen
solvable_anytime.extend([p2pkh, p2pk, p2wpkh, p2sh_p2wpkh])
# P2SH_P2PK, P2SH_P2PKH with compressed keys are seen after direct importaddress
solvable_after_importaddress.extend([
p2sh_p2pk, p2sh_p2pkh, p2wsh_p2pk, p2wsh_p2pkh,
p2sh_p2wsh_p2pk, p2sh_p2wsh_p2pkh
])
for i in uncompressed_solvable_address:
v = self.nodes[0].getaddressinfo(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 output types 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 = [
convert_btc_address_to_eurekacoin(
"mjoE3sSrb8ByYEvgnC3Aox86u1CHnfJA4V"),
convert_btc_address_to_eurekacoin(
"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].getaddressinfo(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 = [
convert_btc_address_to_eurekacoin(
"mguN2vNSCEUh6rJaXoAVwY3YZwZvEmf5xi")
]
self.nodes[0].importprivkey(
"cMcrXaaUC48ZKpcyydfFo8PxHAjpsYLhdsp6nmtB3E2ER9UUHWnw")
compressed_spendable_address = [
convert_btc_address_to_eurekacoin(
"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
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]
])['address'])
uncompressed_spendable_address.append(self.nodes[0].addmultisigaddress(
2, [
uncompressed_spendable_address[0],
uncompressed_spendable_address[0]
])['address'])
compressed_spendable_address.append(self.nodes[0].addmultisigaddress(
2,
[compressed_spendable_address[0], compressed_spendable_address[0]
])['address'])
uncompressed_solvable_address.append(self.nodes[0].addmultisigaddress(
2,
[compressed_solvable_address[0], uncompressed_solvable_address[0]
])['address'])
compressed_solvable_address.append(self.nodes[0].addmultisigaddress(
2,
[compressed_spendable_address[0], compressed_solvable_address[0]
])['address'])
premature_witaddress = []
for i in compressed_spendable_address:
v = self.nodes[0].getaddressinfo(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 always spendable
spendable_anytime.extend([p2wpkh, p2sh_p2wpkh])
for i in uncompressed_spendable_address + uncompressed_solvable_address:
v = self.nodes[0].getaddressinfo(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].getaddressinfo(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 always solvable
solvable_anytime.extend([p2wpkh, p2sh_p2wpkh])
self.mine_and_test_listunspent(spendable_anytime, 2)
self.mine_and_test_listunspent(solvable_anytime, 1)
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].getaddressinfo(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 + spendable_anytime, 2))
solvable_txid.append(
self.mine_and_test_listunspent(
solvable_after_addwitnessaddress + solvable_anytime, 1))
self.mine_and_test_listunspent(unseen_anytime, 0)
# Check that createrawtransaction/decoderawtransaction with non-v0 Bech32 works
v1_addr = program_to_witness(1, [3, 5])
v1_tx = self.nodes[0].createrawtransaction(
[getutxo(spendable_txid[0])], {v1_addr: 1})
v1_decoded = self.nodes[1].decoderawtransaction(v1_tx)
assert_equal(v1_decoded['vout'][0]['scriptPubKey']['addresses'][0],
v1_addr)
assert_equal(v1_decoded['vout'][0]['scriptPubKey']['hex'], "51020305")
# 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)
# Test that importing native P2WPKH/P2WSH scripts works
for use_p2wsh in [False, True]:
if use_p2wsh:
scriptPubKey = "00203a59f3f56b713fdcf5d1a57357f02c44342cbf306ffe0c4741046837bf90561a"
transaction = "01000000000100e1f505000000002200203a59f3f56b713fdcf5d1a57357f02c44342cbf306ffe0c4741046837bf90561a00000000"
else:
scriptPubKey = "a9142f8c469c2f0084c48e11f998ffbe7efa7549f26d87"
transaction = "01000000000100e1f5050000000017a9142f8c469c2f0084c48e11f998ffbe7efa7549f26d8700000000"
self.nodes[1].importaddress(scriptPubKey, "", False)
rawtxfund = self.nodes[1].fundrawtransaction(transaction)['hex']
rawtxfund = self.nodes[1].signrawtransactionwithwallet(
rawtxfund)["hex"]
txid = self.nodes[1].sendrawtransaction(rawtxfund)
assert_equal(self.nodes[1].gettransaction(txid, True)["txid"],
txid)
assert_equal(
self.nodes[1].listtransactions("*", 1, 0, True)[0]["txid"],
txid)
# Assert it is properly saved
self.stop_node(1)
self.start_node(1)
assert_equal(self.nodes[1].gettransaction(txid, True)["txid"],
txid)
assert_equal(
self.nodes[1].listtransactions("*", 1, 0, True)[0]["txid"],
txid)
def _zmq_test(self):
num_blocks = 5
self.log.info("Generate %(n)d blocks (and %(n)d coinbase txes)" %
{"n": num_blocks})
genhashes = self.nodes[0].generatetoaddress(num_blocks,
ADDRESS_BCRT1_UNSPENDABLE)
self.sync_all()
for x in range(num_blocks):
# Should receive the coinbase txid.
txid = self.hashtx.receive()
# Should receive the coinbase raw transaction.
hex = self.rawtx.receive()
tx = CTransaction()
tx.deserialize(BytesIO(hex))
tx.calc_sha256()
assert_equal(tx.hash, bytes_to_hex_str(txid))
# Should receive the generated block hash.
hash = bytes_to_hex_str(self.hashblock.receive())
assert_equal(genhashes[x], hash)
# The block should only have the coinbase txid.
assert_equal([bytes_to_hex_str(txid)],
self.nodes[1].getblock(hash)["tx"])
# Should receive the generated raw block.
block = self.rawblock.receive()
assert_equal(genhashes[x], bytes_to_hex_str(hash256(block[:80])))
if self.is_wallet_compiled():
self.log.info("Wait for tx from second node")
payment_txid = self.nodes[1].sendtoaddress(
self.nodes[0].getnewaddress(), 1.0)
self.sync_all()
# Should receive the broadcasted txid.
txid = self.hashtx.receive()
assert_equal(payment_txid, bytes_to_hex_str(txid))
# Should receive the broadcasted raw transaction.
hex = self.rawtx.receive()
assert_equal(payment_txid, bytes_to_hex_str(hash256(hex)))
self.log.info("Test the getzmqnotifications RPC")
assert_equal(self.nodes[0].getzmqnotifications(), [
{
"type": "pubhashblock",
"address": ADDRESS
},
{
"type": "pubhashtx",
"address": ADDRESS
},
{
"type": "pubrawblock",
"address": ADDRESS
},
{
"type": "pubrawtx",
"address": ADDRESS
},
])
assert_equal(self.nodes[1].getzmqnotifications(), [])
def run_test(self):
self.log.info('prepare some coins for multiple *rawtransaction commands')
self.nodes[2].generate(1)
self.sync_all()
self.nodes[0].generate(101)
self.sync_all()
self.nodes[0].sendtoaddress(self.nodes[2].getnewaddress(),1.5)
self.nodes[0].sendtoaddress(self.nodes[2].getnewaddress(),1.0)
self.nodes[0].sendtoaddress(self.nodes[2].getnewaddress(),5.0)
self.sync_all()
self.nodes[0].generate(5)
self.sync_all()
self.log.info('Test getrawtransaction on genesis block coinbase returns an error')
block = self.nodes[0].getblock(self.nodes[0].getblockhash(0))
assert_raises_rpc_error(-5, "The genesis block coinbase is not considered an ordinary transaction", self.nodes[0].getrawtransaction, block['merkleroot'])
self.log.info('Check parameter types and required parameters of createrawtransaction')
# Test `createrawtransaction` required parameters
assert_raises_rpc_error(-1, "createrawtransaction", self.nodes[0].createrawtransaction)
assert_raises_rpc_error(-1, "createrawtransaction", self.nodes[0].createrawtransaction, [])
# Test `createrawtransaction` invalid extra parameters
assert_raises_rpc_error(-1, "createrawtransaction", self.nodes[0].createrawtransaction, [], {}, 0, False, 'foo')
# Test `createrawtransaction` invalid `inputs`
txid = '1d1d4e24ed99057e84c3f80fd8fbec79ed9e1acee37da269356ecea000000000'
assert_raises_rpc_error(-3, "Expected type array", self.nodes[0].createrawtransaction, 'foo', {})
assert_raises_rpc_error(-1, "JSON value is not an object as expected", self.nodes[0].createrawtransaction, ['foo'], {})
assert_raises_rpc_error(-1, "JSON value is not a string as expected", self.nodes[0].createrawtransaction, [{}], {})
assert_raises_rpc_error(-8, "txid must be of length 64 (not 3, for 'foo')", self.nodes[0].createrawtransaction, [{'txid': 'foo'}], {})
assert_raises_rpc_error(-8, "txid must be hexadecimal string (not 'ZZZ7bb8b1697ea987f3b223ba7819250cae33efacb068d23dc24859824a77844')", self.nodes[0].createrawtransaction, [{'txid': 'ZZZ7bb8b1697ea987f3b223ba7819250cae33efacb068d23dc24859824a77844'}], {})
assert_raises_rpc_error(-8, "Invalid parameter, missing vout key", self.nodes[0].createrawtransaction, [{'txid': txid}], {})
assert_raises_rpc_error(-8, "Invalid parameter, missing vout key", self.nodes[0].createrawtransaction, [{'txid': txid, 'vout': 'foo'}], {})
assert_raises_rpc_error(-8, "Invalid parameter, vout cannot be negative", self.nodes[0].createrawtransaction, [{'txid': txid, 'vout': -1}], {})
assert_raises_rpc_error(-8, "Invalid parameter, sequence number is out of range", self.nodes[0].createrawtransaction, [{'txid': txid, 'vout': 0, 'sequence': -1}], {})
# Test `createrawtransaction` invalid `outputs`
address = self.nodes[0].getnewaddress()
address2 = self.nodes[0].getnewaddress()
assert_raises_rpc_error(-1, "JSON value is not an array as expected", self.nodes[0].createrawtransaction, [], 'foo')
self.nodes[0].createrawtransaction(inputs=[], outputs={}) # Should not throw for backwards compatibility
self.nodes[0].createrawtransaction(inputs=[], outputs=[])
assert_raises_rpc_error(-8, "Data must be hexadecimal string", self.nodes[0].createrawtransaction, [], {'data': 'foo'})
assert_raises_rpc_error(-5, "Invalid Particl address", self.nodes[0].createrawtransaction, [], {'foo': 0})
assert_raises_rpc_error(-3, "Invalid amount", self.nodes[0].createrawtransaction, [], {address: 'foo'})
assert_raises_rpc_error(-3, "Amount out of range", self.nodes[0].createrawtransaction, [], {address: -1})
assert_raises_rpc_error(-8, "Invalid parameter, duplicated address: %s" % address, self.nodes[0].createrawtransaction, [], multidict([(address, 1), (address, 1)]))
assert_raises_rpc_error(-8, "Invalid parameter, duplicated address: %s" % address, self.nodes[0].createrawtransaction, [], [{address: 1}, {address: 1}])
assert_raises_rpc_error(-8, "Invalid parameter, duplicate key: data", self.nodes[0].createrawtransaction, [], [{"data": 'aa'}, {"data": "bb"}])
assert_raises_rpc_error(-8, "Invalid parameter, duplicate key: data", self.nodes[0].createrawtransaction, [], multidict([("data", 'aa'), ("data", "bb")]))
assert_raises_rpc_error(-8, "Invalid parameter, key-value pair must contain exactly one key", self.nodes[0].createrawtransaction, [], [{'a': 1, 'b': 2}])
assert_raises_rpc_error(-8, "Invalid parameter, key-value pair not an object as expected", self.nodes[0].createrawtransaction, [], [['key-value pair1'], ['2']])
# Test `createrawtransaction` invalid `locktime`
assert_raises_rpc_error(-3, "Expected type number", self.nodes[0].createrawtransaction, [], {}, 'foo')
assert_raises_rpc_error(-8, "Invalid parameter, locktime out of range", self.nodes[0].createrawtransaction, [], {}, -1)
assert_raises_rpc_error(-8, "Invalid parameter, locktime out of range", self.nodes[0].createrawtransaction, [], {}, 4294967296)
# Test `createrawtransaction` invalid `replaceable`
assert_raises_rpc_error(-3, "Expected type bool", self.nodes[0].createrawtransaction, [], {}, 0, 'foo')
self.log.info('Check that createrawtransaction accepts an array and object as outputs')
tx = CTransaction()
# One output
tx.deserialize(BytesIO(hex_str_to_bytes(self.nodes[2].createrawtransaction(inputs=[{'txid': txid, 'vout': 9}], outputs={address: 99}))))
assert_equal(len(tx.vout), 1)
assert_equal(
tx.serialize().hex(),
self.nodes[2].createrawtransaction(inputs=[{'txid': txid, 'vout': 9}], outputs=[{address: 99}]),
)
# Two outputs
tx.deserialize(BytesIO(hex_str_to_bytes(self.nodes[2].createrawtransaction(inputs=[{'txid': txid, 'vout': 9}], outputs=OrderedDict([(address, 99), (address2, 99)])))))
assert_equal(len(tx.vout), 2)
assert_equal(
tx.serialize().hex(),
self.nodes[2].createrawtransaction(inputs=[{'txid': txid, 'vout': 9}], outputs=[{address: 99}, {address2: 99}]),
)
# Multiple mixed outputs
tx.deserialize(BytesIO(hex_str_to_bytes(self.nodes[2].createrawtransaction(inputs=[{'txid': txid, 'vout': 9}], outputs=multidict([(address, 99), (address2, 99), ('data', '99')])))))
assert_equal(len(tx.vout), 3)
assert_equal(
tx.serialize().hex(),
self.nodes[2].createrawtransaction(inputs=[{'txid': txid, 'vout': 9}], outputs=[{address: 99}, {address2: 99}, {'data': '99'}]),
)
for type in ["bech32", "p2sh-segwit", "legacy"]:
addr = self.nodes[0].getnewaddress("", type)
addrinfo = self.nodes[0].getaddressinfo(addr)
pubkey = addrinfo["scriptPubKey"]
self.log.info('sendrawtransaction with missing prevtx info (%s)' %(type))
# Test `signrawtransactionwithwallet` invalid `prevtxs`
inputs = [ {'txid' : txid, 'vout' : 3, 'sequence' : 1000}]
outputs = { self.nodes[0].getnewaddress() : 1 }
rawtx = self.nodes[0].createrawtransaction(inputs, outputs)
prevtx = dict(txid=txid, scriptPubKey=pubkey, vout=3, amount=1)
succ = self.nodes[0].signrawtransactionwithwallet(rawtx, [prevtx])
assert succ["complete"]
if type == "legacy":
del prevtx["amount"]
succ = self.nodes[0].signrawtransactionwithwallet(rawtx, [prevtx])
assert succ["complete"]
if type != "legacy":
assert_raises_rpc_error(-3, "Missing amount", self.nodes[0].signrawtransactionwithwallet, rawtx, [
{
"txid": txid,
"scriptPubKey": pubkey,
"vout": 3,
}
])
assert_raises_rpc_error(-3, "Missing vout", self.nodes[0].signrawtransactionwithwallet, rawtx, [
{
"txid": txid,
"scriptPubKey": pubkey,
"amount": 1,
}
])
assert_raises_rpc_error(-3, "Missing txid", self.nodes[0].signrawtransactionwithwallet, rawtx, [
{
"scriptPubKey": pubkey,
"vout": 3,
"amount": 1,
}
])
assert_raises_rpc_error(-3, "Missing scriptPubKey", self.nodes[0].signrawtransactionwithwallet, rawtx, [
{
"txid": txid,
"vout": 3,
"amount": 1
}
])
#########################################
# sendrawtransaction with missing input #
#########################################
self.log.info('sendrawtransaction with missing input')
inputs = [ {'txid' : "1d1d4e24ed99057e84c3f80fd8fbec79ed9e1acee37da269356ecea000000000", 'vout' : 1}] #won't exists
outputs = { self.nodes[0].getnewaddress() : 4.998 }
rawtx = self.nodes[2].createrawtransaction(inputs, outputs)
rawtx = self.nodes[2].signrawtransactionwithwallet(rawtx)
# This will raise an exception since there are missing inputs
assert_raises_rpc_error(-25, "bad-txns-inputs-missingorspent", self.nodes[2].sendrawtransaction, rawtx['hex'])
#####################################
# getrawtransaction with block hash #
#####################################
# make a tx by sending then generate 2 blocks; block1 has the tx in it
tx = self.nodes[2].sendtoaddress(self.nodes[1].getnewaddress(), 1)
block1, block2 = self.nodes[2].generate(2)
self.sync_all()
# We should be able to get the raw transaction by providing the correct block
gottx = self.nodes[0].getrawtransaction(tx, True, block1)
assert_equal(gottx['txid'], tx)
assert_equal(gottx['in_active_chain'], True)
# We should not have the 'in_active_chain' flag when we don't provide a block
gottx = self.nodes[0].getrawtransaction(tx, True)
assert_equal(gottx['txid'], tx)
assert 'in_active_chain' not in gottx
# We should not get the tx if we provide an unrelated block
assert_raises_rpc_error(-5, "No such transaction found", self.nodes[0].getrawtransaction, tx, True, block2)
# An invalid block hash should raise the correct errors
assert_raises_rpc_error(-1, "JSON value is not a string as expected", self.nodes[0].getrawtransaction, tx, True, True)
assert_raises_rpc_error(-8, "parameter 3 must be of length 64 (not 6, for 'foobar')", self.nodes[0].getrawtransaction, tx, True, "foobar")
assert_raises_rpc_error(-8, "parameter 3 must be of length 64 (not 8, for 'abcd1234')", self.nodes[0].getrawtransaction, tx, True, "abcd1234")
assert_raises_rpc_error(-8, "parameter 3 must be hexadecimal string (not 'ZZZ0000000000000000000000000000000000000000000000000000000000000')", self.nodes[0].getrawtransaction, tx, True, "ZZZ0000000000000000000000000000000000000000000000000000000000000")
assert_raises_rpc_error(-5, "Block hash not found", self.nodes[0].getrawtransaction, tx, True, "0000000000000000000000000000000000000000000000000000000000000000")
# Undo the blocks and check in_active_chain
self.nodes[0].invalidateblock(block1)
gottx = self.nodes[0].getrawtransaction(txid=tx, verbose=True, blockhash=block1)
assert_equal(gottx['in_active_chain'], False)
self.nodes[0].reconsiderblock(block1)
assert_equal(self.nodes[0].getbestblockhash(), block2)
if not self.options.descriptors:
# The traditional multisig workflow does not work with descriptor wallets so these are legacy only.
# The multisig workflow with descriptor wallets uses PSBTs and is tested elsewhere, no need to do them here.
#########################
# RAW TX MULTISIG TESTS #
#########################
# 2of2 test
addr1 = self.nodes[2].getnewaddress()
addr2 = self.nodes[2].getnewaddress()
addr1Obj = self.nodes[2].getaddressinfo(addr1)
addr2Obj = self.nodes[2].getaddressinfo(addr2)
# Tests for createmultisig and addmultisigaddress
assert_raises_rpc_error(-5, "Invalid public key", self.nodes[0].createmultisig, 1, ["01020304"])
self.nodes[0].createmultisig(2, [addr1Obj['pubkey'], addr2Obj['pubkey']]) # createmultisig can only take public keys
assert_raises_rpc_error(-5, "Invalid public key", self.nodes[0].createmultisig, 2, [addr1Obj['pubkey'], addr1]) # addmultisigaddress can take both pubkeys and addresses so long as they are in the wallet, which is tested here.
mSigObj = self.nodes[2].addmultisigaddress(2, [addr1Obj['pubkey'], addr1])['address']
#use balance deltas instead of absolute values
bal = self.nodes[2].getbalance()
# send 1.2 BTC to msig adr
txId = self.nodes[0].sendtoaddress(mSigObj, 1.2)
self.sync_all()
self.nodes[0].generate(1)
self.sync_all()
assert_equal(self.nodes[2].getbalance(), bal+Decimal('1.20000000')) #node2 has both keys of the 2of2 ms addr., tx should affect the balance
# 2of3 test from different nodes
bal = self.nodes[2].getbalance()
addr1 = self.nodes[1].getnewaddress()
addr2 = self.nodes[2].getnewaddress()
addr3 = self.nodes[2].getnewaddress()
addr1Obj = self.nodes[1].getaddressinfo(addr1)
addr2Obj = self.nodes[2].getaddressinfo(addr2)
addr3Obj = self.nodes[2].getaddressinfo(addr3)
mSigObj = self.nodes[2].addmultisigaddress(2, [addr1Obj['pubkey'], addr2Obj['pubkey'], addr3Obj['pubkey']])['address']
txId = self.nodes[0].sendtoaddress(mSigObj, 2.2)
decTx = self.nodes[0].gettransaction(txId)
rawTx = self.nodes[0].decoderawtransaction(decTx['hex'])
self.sync_all()
self.nodes[0].generate(1)
self.sync_all()
#THIS IS AN INCOMPLETE FEATURE
#NODE2 HAS TWO OF THREE KEY AND THE FUNDS SHOULD BE SPENDABLE AND COUNT AT BALANCE CALCULATION
assert_equal(self.nodes[2].getbalance(), bal) #for now, assume the funds of a 2of3 multisig tx are not marked as spendable
txDetails = self.nodes[0].gettransaction(txId, True)
rawTx = self.nodes[0].decoderawtransaction(txDetails['hex'])
vout = next(o for o in rawTx['vout'] if o['value'] == Decimal('2.20000000'))
bal = self.nodes[0].getbalance()
inputs = [{ "txid" : txId, "vout" : vout['n'], "scriptPubKey" : vout['scriptPubKey']['hex'], "amount" : vout['value']}]
outputs = { self.nodes[0].getnewaddress() : 2.19 }
rawTx = self.nodes[2].createrawtransaction(inputs, outputs)
rawTxPartialSigned = self.nodes[1].signrawtransactionwithwallet(rawTx, inputs)
assert_equal(rawTxPartialSigned['complete'], False) #node1 only has one key, can't comp. sign the tx
rawTxSigned = self.nodes[2].signrawtransactionwithwallet(rawTx, inputs)
assert_equal(rawTxSigned['complete'], True) #node2 can sign the tx compl., own two of three keys
self.nodes[2].sendrawtransaction(rawTxSigned['hex'])
rawTx = self.nodes[0].decoderawtransaction(rawTxSigned['hex'])
self.sync_all()
self.nodes[0].generate(1)
self.sync_all()
assert_equal(self.nodes[0].getbalance(), bal+Decimal('50.00000000')+Decimal('2.19000000')) #block reward + tx
# 2of2 test for combining transactions
bal = self.nodes[2].getbalance()
addr1 = self.nodes[1].getnewaddress()
addr2 = self.nodes[2].getnewaddress()
addr1Obj = self.nodes[1].getaddressinfo(addr1)
addr2Obj = self.nodes[2].getaddressinfo(addr2)
self.nodes[1].addmultisigaddress(2, [addr1Obj['pubkey'], addr2Obj['pubkey']])['address']
mSigObj = self.nodes[2].addmultisigaddress(2, [addr1Obj['pubkey'], addr2Obj['pubkey']])['address']
mSigObjValid = self.nodes[2].getaddressinfo(mSigObj)
txId = self.nodes[0].sendtoaddress(mSigObj, 2.2)
decTx = self.nodes[0].gettransaction(txId)
rawTx2 = self.nodes[0].decoderawtransaction(decTx['hex'])
self.sync_all()
self.nodes[0].generate(1)
self.sync_all()
assert_equal(self.nodes[2].getbalance(), bal) # the funds of a 2of2 multisig tx should not be marked as spendable
txDetails = self.nodes[0].gettransaction(txId, True)
rawTx2 = self.nodes[0].decoderawtransaction(txDetails['hex'])
vout = next(o for o in rawTx2['vout'] if o['value'] == Decimal('2.20000000'))
bal = self.nodes[0].getbalance()
inputs = [{ "txid" : txId, "vout" : vout['n'], "scriptPubKey" : vout['scriptPubKey']['hex'], "redeemScript" : mSigObjValid['hex'], "amount" : vout['value']}]
outputs = { self.nodes[0].getnewaddress() : 2.19 }
rawTx2 = self.nodes[2].createrawtransaction(inputs, outputs)
rawTxPartialSigned1 = self.nodes[1].signrawtransactionwithwallet(rawTx2, inputs)
self.log.debug(rawTxPartialSigned1)
assert_equal(rawTxPartialSigned1['complete'], False) #node1 only has one key, can't comp. sign the tx
rawTxPartialSigned2 = self.nodes[2].signrawtransactionwithwallet(rawTx2, inputs)
self.log.debug(rawTxPartialSigned2)
assert_equal(rawTxPartialSigned2['complete'], False) #node2 only has one key, can't comp. sign the tx
rawTxComb = self.nodes[2].combinerawtransaction([rawTxPartialSigned1['hex'], rawTxPartialSigned2['hex']])
self.log.debug(rawTxComb)
self.nodes[2].sendrawtransaction(rawTxComb)
rawTx2 = self.nodes[0].decoderawtransaction(rawTxComb)
self.sync_all()
self.nodes[0].generate(1)
self.sync_all()
assert_equal(self.nodes[0].getbalance(), bal+Decimal('50.00000000')+Decimal('2.19000000')) #block reward + tx
# decoderawtransaction tests
# witness transaction
encrawtx = "010000000001010000000000000072c1a6a246ae63f74f931e8365e15a089c68d61900000000000000000000ffffffff0100e1f50500000000000102616100000000"
decrawtx = self.nodes[0].decoderawtransaction(encrawtx, True) # decode as witness transaction
assert_equal(decrawtx['vout'][0]['value'], Decimal('1.00000000'))
assert_raises_rpc_error(-22, 'TX decode failed', self.nodes[0].decoderawtransaction, encrawtx, False) # force decode as non-witness transaction
# non-witness transaction
encrawtx = "01000000010000000000000072c1a6a246ae63f74f931e8365e15a089c68d61900000000000000000000ffffffff0100e1f505000000000000000000"
decrawtx = self.nodes[0].decoderawtransaction(encrawtx, False) # decode as non-witness transaction
assert_equal(decrawtx['vout'][0]['value'], Decimal('1.00000000'))
# known ambiguous transaction in the chain (see https://github.com/bitcoin/bitcoin/issues/20579)
encrawtx = "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"
decrawtx = self.nodes[0].decoderawtransaction(encrawtx)
decrawtx_wit = self.nodes[0].decoderawtransaction(encrawtx, True)
assert_raises_rpc_error(-22, 'TX decode failed', self.nodes[0].decoderawtransaction, encrawtx, False) # fails to decode as non-witness transaction
assert_equal(decrawtx, decrawtx_wit) # the witness interpretation should be chosen
assert_equal(decrawtx['vin'][0]['coinbase'], "03c68708046ff8415c622f4254432e434f4d2ffabe6d6de1965d02c68f928e5b244ab1965115a36f56eb997633c7f690124bbf43644e23080000000ca3d3af6d005a65ff0200fd00000000")
# Basic signrawtransaction test
addr = self.nodes[1].getnewaddress()
txid = self.nodes[0].sendtoaddress(addr, 10)
self.nodes[0].generate(1)
self.sync_all()
vout = find_vout_for_address(self.nodes[1], txid, addr)
rawTx = self.nodes[1].createrawtransaction([{'txid': txid, 'vout': vout}], {self.nodes[1].getnewaddress(): 9.999})
rawTxSigned = self.nodes[1].signrawtransactionwithwallet(rawTx)
txId = self.nodes[1].sendrawtransaction(rawTxSigned['hex'])
self.nodes[0].generate(1)
self.sync_all()
# getrawtransaction tests
# 1. valid parameters - only supply txid
assert_equal(self.nodes[0].getrawtransaction(txId), rawTxSigned['hex'])
# 2. valid parameters - supply txid and 0 for non-verbose
assert_equal(self.nodes[0].getrawtransaction(txId, 0), rawTxSigned['hex'])
# 3. valid parameters - supply txid and False for non-verbose
assert_equal(self.nodes[0].getrawtransaction(txId, False), rawTxSigned['hex'])
# 4. valid parameters - supply txid and 1 for verbose.
# We only check the "hex" field of the output so we don't need to update this test every time the output format changes.
assert_equal(self.nodes[0].getrawtransaction(txId, 1)["hex"], rawTxSigned['hex'])
# 5. valid parameters - supply txid and True for non-verbose
assert_equal(self.nodes[0].getrawtransaction(txId, True)["hex"], rawTxSigned['hex'])
# 6. invalid parameters - supply txid and string "Flase"
assert_raises_rpc_error(-1, "not a boolean", self.nodes[0].getrawtransaction, txId, "Flase")
# 7. invalid parameters - supply txid and empty array
assert_raises_rpc_error(-1, "not a boolean", self.nodes[0].getrawtransaction, txId, [])
# 8. invalid parameters - supply txid and empty dict
assert_raises_rpc_error(-1, "not a boolean", self.nodes[0].getrawtransaction, txId, {})
inputs = [ {'txid' : "1d1d4e24ed99057e84c3f80fd8fbec79ed9e1acee37da269356ecea000000000", 'vout' : 1, 'sequence' : 1000}]
outputs = { self.nodes[0].getnewaddress() : 1 }
rawtx = self.nodes[0].createrawtransaction(inputs, outputs)
decrawtx= self.nodes[0].decoderawtransaction(rawtx)
assert_equal(decrawtx['vin'][0]['sequence'], 1000)
# 9. invalid parameters - sequence number out of range
inputs = [ {'txid' : "1d1d4e24ed99057e84c3f80fd8fbec79ed9e1acee37da269356ecea000000000", 'vout' : 1, 'sequence' : -1}]
outputs = { self.nodes[0].getnewaddress() : 1 }
assert_raises_rpc_error(-8, 'Invalid parameter, sequence number is out of range', self.nodes[0].createrawtransaction, inputs, outputs)
# 10. invalid parameters - sequence number out of range
inputs = [ {'txid' : "1d1d4e24ed99057e84c3f80fd8fbec79ed9e1acee37da269356ecea000000000", 'vout' : 1, 'sequence' : 4294967296}]
outputs = { self.nodes[0].getnewaddress() : 1 }
assert_raises_rpc_error(-8, 'Invalid parameter, sequence number is out of range', self.nodes[0].createrawtransaction, inputs, outputs)
inputs = [ {'txid' : "1d1d4e24ed99057e84c3f80fd8fbec79ed9e1acee37da269356ecea000000000", 'vout' : 1, 'sequence' : 4294967294}]
outputs = { self.nodes[0].getnewaddress() : 1 }
rawtx = self.nodes[0].createrawtransaction(inputs, outputs)
decrawtx= self.nodes[0].decoderawtransaction(rawtx)
assert_equal(decrawtx['vin'][0]['sequence'], 4294967294)
####################################
# TRANSACTION VERSION NUMBER TESTS #
####################################
# Test the minimum transaction version number that fits in a signed 32-bit integer.
# As transaction version is unsigned, this should convert to its unsigned equivalent.
tx = CTransaction()
tx.nVersion = -0x80000000
rawtx = ToHex(tx)
decrawtx = self.nodes[0].decoderawtransaction(rawtx)
assert_equal(decrawtx['version'], 0x80000000)
"""
# Collides with particl version
# Test the maximum transaction version number that fits in a signed 32-bit integer.
tx = CTransaction()
tx.nVersion = 0x7fffffff
rawtx = ToHex(tx)
decrawtx = self.nodes[0].decoderawtransaction(rawtx)
assert_equal(decrawtx['version'], 0x7fffffff)
"""
self.log.info('sendrawtransaction/testmempoolaccept with maxfeerate')
# Test a transaction with a small fee.
txId = self.nodes[0].sendtoaddress(self.nodes[2].getnewaddress(), 1.0)
rawTx = self.nodes[0].getrawtransaction(txId, True)
vout = next(o for o in rawTx['vout'] if o['value'] == Decimal('1.00000000'))
self.sync_all()
inputs = [{ "txid" : txId, "vout" : vout['n'] }]
# Fee 10,000 satoshis, (1 - (10000 sat * 0.00000001 BTC/sat)) = 0.9999
outputs = { self.nodes[0].getnewaddress() : Decimal("0.99990000") }
rawTx = self.nodes[2].createrawtransaction(inputs, outputs)
rawTxSigned = self.nodes[2].signrawtransactionwithwallet(rawTx)
assert_equal(rawTxSigned['complete'], True)
# Fee 10,000 satoshis, ~100 b transaction, fee rate should land around 100 sat/byte = 0.00100000 BTC/kB
# Thus, testmempoolaccept should reject
testres = self.nodes[2].testmempoolaccept([rawTxSigned['hex']], 0.00001000)[0]
assert_equal(testres['allowed'], False)
assert_equal(testres['reject-reason'], 'max-fee-exceeded')
# and sendrawtransaction should throw
assert_raises_rpc_error(-25, 'Fee exceeds maximum configured by user (e.g. -maxtxfee, maxfeerate)', self.nodes[2].sendrawtransaction, rawTxSigned['hex'], 0.00001000)
# and the following calls should both succeed
testres = self.nodes[2].testmempoolaccept(rawtxs=[rawTxSigned['hex']])[0]
assert_equal(testres['allowed'], True)
self.nodes[2].sendrawtransaction(hexstring=rawTxSigned['hex'])
# Test a transaction with a large fee.
txId = self.nodes[0].sendtoaddress(self.nodes[2].getnewaddress(), 1.0)
rawTx = self.nodes[0].getrawtransaction(txId, True)
vout = next(o for o in rawTx['vout'] if o['value'] == Decimal('1.00000000'))
self.sync_all()
inputs = [{ "txid" : txId, "vout" : vout['n'] }]
# Fee 2,000,000 satoshis, (1 - (2000000 sat * 0.00000001 BTC/sat)) = 0.98
outputs = { self.nodes[0].getnewaddress() : Decimal("0.98000000") }
rawTx = self.nodes[2].createrawtransaction(inputs, outputs)
rawTxSigned = self.nodes[2].signrawtransactionwithwallet(rawTx)
assert_equal(rawTxSigned['complete'], True)
# Fee 2,000,000 satoshis, ~100 b transaction, fee rate should land around 20,000 sat/byte = 0.20000000 BTC/kB
# Thus, testmempoolaccept should reject
testres = self.nodes[2].testmempoolaccept([rawTxSigned['hex']])[0]
assert_equal(testres['allowed'], False)
assert_equal(testres['reject-reason'], 'max-fee-exceeded')
# and sendrawtransaction should throw
assert_raises_rpc_error(-25, 'Fee exceeds maximum configured by user (e.g. -maxtxfee, maxfeerate)', self.nodes[2].sendrawtransaction, rawTxSigned['hex'])
# and the following calls should both succeed
testres = self.nodes[2].testmempoolaccept(rawtxs=[rawTxSigned['hex']], maxfeerate='0.20000000')[0]
assert_equal(testres['allowed'], True)
self.nodes[2].sendrawtransaction(hexstring=rawTxSigned['hex'], maxfeerate='0.20000000')
def run_test(self):
self.log.info('prepare some coins for multiple *rawtransaction commands')
self.nodes[2].generate(1)
self.sync_all()
self.nodes[0].generate(101)
self.sync_all()
self.nodes[0].sendtoaddress(self.nodes[2].getnewaddress(),1.5)
self.nodes[0].sendtoaddress(self.nodes[2].getnewaddress(),1.0)
self.nodes[0].sendtoaddress(self.nodes[2].getnewaddress(),5.0)
self.sync_all()
self.nodes[0].generate(5)
self.sync_all()
self.log.info('Test getrawtransaction on genesis block coinbase returns an error')
block = self.nodes[0].getblock(self.nodes[0].getblockhash(0))
assert_raises_rpc_error(-5, "The genesis block coinbase is not considered an ordinary transaction", self.nodes[0].getrawtransaction, block['merkleroot'])
self.log.info('Check parameter types and required parameters of createrawtransaction')
# Test `createrawtransaction` required parameters
assert_raises_rpc_error(-1, "createrawtransaction", self.nodes[0].createrawtransaction)
assert_raises_rpc_error(-1, "createrawtransaction", self.nodes[0].createrawtransaction, [])
# Test `createrawtransaction` invalid extra parameters
assert_raises_rpc_error(-1, "createrawtransaction", self.nodes[0].createrawtransaction, [], {}, 0, False, 'foo')
# Test `createrawtransaction` invalid `inputs`
txid = '1d1d4e24ed99057e84c3f80fd8fbec79ed9e1acee37da269356ecea000000000'
assert_raises_rpc_error(-3, "Expected type array", self.nodes[0].createrawtransaction, 'foo', {})
assert_raises_rpc_error(-1, "JSON value is not an object as expected", self.nodes[0].createrawtransaction, ['foo'], {})
assert_raises_rpc_error(-1, "JSON value is not a string as expected", self.nodes[0].createrawtransaction, [{}], {})
assert_raises_rpc_error(-8, "txid must be of length 64 (not 3, for 'foo')", self.nodes[0].createrawtransaction, [{'txid': 'foo'}], {})
assert_raises_rpc_error(-8, "txid must be hexadecimal string (not 'ZZZ7bb8b1697ea987f3b223ba7819250cae33efacb068d23dc24859824a77844')", self.nodes[0].createrawtransaction, [{'txid': 'ZZZ7bb8b1697ea987f3b223ba7819250cae33efacb068d23dc24859824a77844'}], {})
assert_raises_rpc_error(-8, "Invalid parameter, missing vout key", self.nodes[0].createrawtransaction, [{'txid': txid}], {})
assert_raises_rpc_error(-8, "Invalid parameter, missing vout key", self.nodes[0].createrawtransaction, [{'txid': txid, 'vout': 'foo'}], {})
assert_raises_rpc_error(-8, "Invalid parameter, vout must be positive", self.nodes[0].createrawtransaction, [{'txid': txid, 'vout': -1}], {})
assert_raises_rpc_error(-8, "Invalid parameter, sequence number is out of range", self.nodes[0].createrawtransaction, [{'txid': txid, 'vout': 0, 'sequence': -1}], {})
# Test `createrawtransaction` invalid `outputs`
address = self.nodes[0].getnewaddress()
address2 = self.nodes[0].getnewaddress()
assert_raises_rpc_error(-1, "JSON value is not an array as expected", self.nodes[0].createrawtransaction, [], 'foo')
self.nodes[0].createrawtransaction(inputs=[], outputs={}) # Should not throw for backwards compatibility
self.nodes[0].createrawtransaction(inputs=[], outputs=[])
assert_raises_rpc_error(-8, "Data must be hexadecimal string", self.nodes[0].createrawtransaction, [], {'data': 'foo'})
assert_raises_rpc_error(-5, "Invalid Namecoin address", self.nodes[0].createrawtransaction, [], {'foo': 0})
assert_raises_rpc_error(-3, "Invalid amount", self.nodes[0].createrawtransaction, [], {address: 'foo'})
assert_raises_rpc_error(-3, "Amount out of range", self.nodes[0].createrawtransaction, [], {address: -1})
assert_raises_rpc_error(-8, "Invalid parameter, duplicated address: %s" % address, self.nodes[0].createrawtransaction, [], multidict([(address, 1), (address, 1)]))
assert_raises_rpc_error(-8, "Invalid parameter, duplicated address: %s" % address, self.nodes[0].createrawtransaction, [], [{address: 1}, {address: 1}])
assert_raises_rpc_error(-8, "Invalid parameter, duplicate key: data", self.nodes[0].createrawtransaction, [], [{"data": 'aa'}, {"data": "bb"}])
assert_raises_rpc_error(-8, "Invalid parameter, duplicate key: data", self.nodes[0].createrawtransaction, [], multidict([("data", 'aa'), ("data", "bb")]))
assert_raises_rpc_error(-8, "Invalid parameter, key-value pair must contain exactly one key", self.nodes[0].createrawtransaction, [], [{'a': 1, 'b': 2}])
assert_raises_rpc_error(-8, "Invalid parameter, key-value pair not an object as expected", self.nodes[0].createrawtransaction, [], [['key-value pair1'], ['2']])
# Test `createrawtransaction` invalid `locktime`
assert_raises_rpc_error(-3, "Expected type number", self.nodes[0].createrawtransaction, [], {}, 'foo')
assert_raises_rpc_error(-8, "Invalid parameter, locktime out of range", self.nodes[0].createrawtransaction, [], {}, -1)
assert_raises_rpc_error(-8, "Invalid parameter, locktime out of range", self.nodes[0].createrawtransaction, [], {}, 4294967296)
# Test `createrawtransaction` invalid `replaceable`
assert_raises_rpc_error(-3, "Expected type bool", self.nodes[0].createrawtransaction, [], {}, 0, 'foo')
self.log.info('Check that createrawtransaction accepts an array and object as outputs')
tx = CTransaction()
# One output
tx.deserialize(BytesIO(hex_str_to_bytes(self.nodes[2].createrawtransaction(inputs=[{'txid': txid, 'vout': 9}], outputs={address: 99}))))
assert_equal(len(tx.vout), 1)
assert_equal(
bytes_to_hex_str(tx.serialize()),
self.nodes[2].createrawtransaction(inputs=[{'txid': txid, 'vout': 9}], outputs=[{address: 99}]),
)
# Two outputs
tx.deserialize(BytesIO(hex_str_to_bytes(self.nodes[2].createrawtransaction(inputs=[{'txid': txid, 'vout': 9}], outputs=OrderedDict([(address, 99), (address2, 99)])))))
assert_equal(len(tx.vout), 2)
assert_equal(
bytes_to_hex_str(tx.serialize()),
self.nodes[2].createrawtransaction(inputs=[{'txid': txid, 'vout': 9}], outputs=[{address: 99}, {address2: 99}]),
)
# Multiple mixed outputs
tx.deserialize(BytesIO(hex_str_to_bytes(self.nodes[2].createrawtransaction(inputs=[{'txid': txid, 'vout': 9}], outputs=multidict([(address, 99), (address2, 99), ('data', '99')])))))
assert_equal(len(tx.vout), 3)
assert_equal(
bytes_to_hex_str(tx.serialize()),
self.nodes[2].createrawtransaction(inputs=[{'txid': txid, 'vout': 9}], outputs=[{address: 99}, {address2: 99}, {'data': '99'}]),
)
for type in ["bech32", "p2sh-segwit", "legacy"]:
addr = self.nodes[0].getnewaddress("", type)
addrinfo = self.nodes[0].getaddressinfo(addr)
pubkey = addrinfo["scriptPubKey"]
self.log.info('sendrawtransaction with missing prevtx info (%s)' %(type))
# Test `signrawtransactionwithwallet` invalid `prevtxs`
inputs = [ {'txid' : txid, 'vout' : 3, 'sequence' : 1000}]
outputs = { self.nodes[0].getnewaddress() : 1 }
rawtx = self.nodes[0].createrawtransaction(inputs, outputs)
prevtx = dict(txid=txid, scriptPubKey=pubkey, vout=3, amount=1)
succ = self.nodes[0].signrawtransactionwithwallet(rawtx, [prevtx])
assert succ["complete"]
if type == "legacy":
del prevtx["amount"]
succ = self.nodes[0].signrawtransactionwithwallet(rawtx, [prevtx])
assert succ["complete"]
if type != "legacy":
assert_raises_rpc_error(-3, "Missing amount", self.nodes[0].signrawtransactionwithwallet, rawtx, [
{
"txid": txid,
"scriptPubKey": pubkey,
"vout": 3,
}
])
assert_raises_rpc_error(-3, "Missing vout", self.nodes[0].signrawtransactionwithwallet, rawtx, [
{
"txid": txid,
"scriptPubKey": pubkey,
"amount": 1,
}
])
assert_raises_rpc_error(-3, "Missing txid", self.nodes[0].signrawtransactionwithwallet, rawtx, [
{
"scriptPubKey": pubkey,
"vout": 3,
"amount": 1,
}
])
assert_raises_rpc_error(-3, "Missing scriptPubKey", self.nodes[0].signrawtransactionwithwallet, rawtx, [
{
"txid": txid,
"vout": 3,
"amount": 1
}
])
#########################################
# sendrawtransaction with missing input #
#########################################
self.log.info('sendrawtransaction with missing input')
inputs = [ {'txid' : "1d1d4e24ed99057e84c3f80fd8fbec79ed9e1acee37da269356ecea000000000", 'vout' : 1}] #won't exists
outputs = { self.nodes[0].getnewaddress() : 4.998 }
rawtx = self.nodes[2].createrawtransaction(inputs, outputs)
rawtx = self.nodes[2].signrawtransactionwithwallet(rawtx)
# This will raise an exception since there are missing inputs
assert_raises_rpc_error(-25, "Missing inputs", self.nodes[2].sendrawtransaction, rawtx['hex'])
#####################################
# getrawtransaction with block hash #
#####################################
# make a tx by sending then generate 2 blocks; block1 has the tx in it
tx = self.nodes[2].sendtoaddress(self.nodes[1].getnewaddress(), 1)
block1, block2 = self.nodes[2].generate(2)
self.sync_all()
# We should be able to get the raw transaction by providing the correct block
gottx = self.nodes[0].getrawtransaction(tx, True, block1)
assert_equal(gottx['txid'], tx)
assert_equal(gottx['in_active_chain'], True)
# We should not have the 'in_active_chain' flag when we don't provide a block
gottx = self.nodes[0].getrawtransaction(tx, True)
assert_equal(gottx['txid'], tx)
assert 'in_active_chain' not in gottx
# We should not get the tx if we provide an unrelated block
assert_raises_rpc_error(-5, "No such transaction found", self.nodes[0].getrawtransaction, tx, True, block2)
# An invalid block hash should raise the correct errors
assert_raises_rpc_error(-1, "JSON value is not a string as expected", self.nodes[0].getrawtransaction, tx, True, True)
assert_raises_rpc_error(-8, "parameter 3 must be of length 64 (not 6, for 'foobar')", self.nodes[0].getrawtransaction, tx, True, "foobar")
assert_raises_rpc_error(-8, "parameter 3 must be of length 64 (not 8, for 'abcd1234')", self.nodes[0].getrawtransaction, tx, True, "abcd1234")
assert_raises_rpc_error(-8, "parameter 3 must be hexadecimal string (not 'ZZZ0000000000000000000000000000000000000000000000000000000000000')", self.nodes[0].getrawtransaction, tx, True, "ZZZ0000000000000000000000000000000000000000000000000000000000000")
assert_raises_rpc_error(-5, "Block hash not found", self.nodes[0].getrawtransaction, tx, True, "0000000000000000000000000000000000000000000000000000000000000000")
# Undo the blocks and check in_active_chain
self.nodes[0].invalidateblock(block1)
gottx = self.nodes[0].getrawtransaction(txid=tx, verbose=True, blockhash=block1)
assert_equal(gottx['in_active_chain'], False)
self.nodes[0].reconsiderblock(block1)
assert_equal(self.nodes[0].getbestblockhash(), block2)
#########################
# RAW TX MULTISIG TESTS #
#########################
# 2of2 test
addr1 = self.nodes[2].getnewaddress()
addr2 = self.nodes[2].getnewaddress()
addr1Obj = self.nodes[2].getaddressinfo(addr1)
addr2Obj = self.nodes[2].getaddressinfo(addr2)
# Tests for createmultisig and addmultisigaddress
assert_raises_rpc_error(-5, "Invalid public key", self.nodes[0].createmultisig, 1, ["01020304"])
self.nodes[0].createmultisig(2, [addr1Obj['pubkey'], addr2Obj['pubkey']]) # createmultisig can only take public keys
assert_raises_rpc_error(-5, "Invalid public key", self.nodes[0].createmultisig, 2, [addr1Obj['pubkey'], addr1]) # addmultisigaddress can take both pubkeys and addresses so long as they are in the wallet, which is tested here.
mSigObj = self.nodes[2].addmultisigaddress(2, [addr1Obj['pubkey'], addr1])['address']
#use balance deltas instead of absolute values
bal = self.nodes[2].getbalance()
# send 1.2 BTC to msig adr
txId = self.nodes[0].sendtoaddress(mSigObj, 1.2)
self.sync_all()
self.nodes[0].generate(1)
self.sync_all()
assert_equal(self.nodes[2].getbalance(), bal+Decimal('1.20000000')) #node2 has both keys of the 2of2 ms addr., tx should affect the balance
# 2of3 test from different nodes
bal = self.nodes[2].getbalance()
addr1 = self.nodes[1].getnewaddress()
addr2 = self.nodes[2].getnewaddress()
addr3 = self.nodes[2].getnewaddress()
addr1Obj = self.nodes[1].getaddressinfo(addr1)
addr2Obj = self.nodes[2].getaddressinfo(addr2)
addr3Obj = self.nodes[2].getaddressinfo(addr3)
mSigObj = self.nodes[2].addmultisigaddress(2, [addr1Obj['pubkey'], addr2Obj['pubkey'], addr3Obj['pubkey']])['address']
txId = self.nodes[0].sendtoaddress(mSigObj, 2.2)
decTx = self.nodes[0].gettransaction(txId)
rawTx = self.nodes[0].decoderawtransaction(decTx['hex'])
self.sync_all()
self.nodes[0].generate(1)
self.sync_all()
#THIS IS AN INCOMPLETE FEATURE
#NODE2 HAS TWO OF THREE KEY AND THE FUNDS SHOULD BE SPENDABLE AND COUNT AT BALANCE CALCULATION
assert_equal(self.nodes[2].getbalance(), bal) #for now, assume the funds of a 2of3 multisig tx are not marked as spendable
txDetails = self.nodes[0].gettransaction(txId, True)
rawTx = self.nodes[0].decoderawtransaction(txDetails['hex'])
vout = False
for outpoint in rawTx['vout']:
if outpoint['value'] == Decimal('2.20000000'):
vout = outpoint
break
bal = self.nodes[0].getbalance()
inputs = [{ "txid" : txId, "vout" : vout['n'], "scriptPubKey" : vout['scriptPubKey']['hex'], "amount" : vout['value']}]
outputs = { self.nodes[0].getnewaddress() : 2.19 }
rawTx = self.nodes[2].createrawtransaction(inputs, outputs)
rawTxPartialSigned = self.nodes[1].signrawtransactionwithwallet(rawTx, inputs)
assert_equal(rawTxPartialSigned['complete'], False) #node1 only has one key, can't comp. sign the tx
rawTxSigned = self.nodes[2].signrawtransactionwithwallet(rawTx, inputs)
assert_equal(rawTxSigned['complete'], True) #node2 can sign the tx compl., own two of three keys
self.nodes[2].sendrawtransaction(rawTxSigned['hex'])
rawTx = self.nodes[0].decoderawtransaction(rawTxSigned['hex'])
self.sync_all()
self.nodes[0].generate(1)
self.sync_all()
assert_equal(self.nodes[0].getbalance(), bal+Decimal('50.00000000')+Decimal('2.19000000')) #block reward + tx
# 2of2 test for combining transactions
bal = self.nodes[2].getbalance()
addr1 = self.nodes[1].getnewaddress()
addr2 = self.nodes[2].getnewaddress()
addr1Obj = self.nodes[1].getaddressinfo(addr1)
addr2Obj = self.nodes[2].getaddressinfo(addr2)
self.nodes[1].addmultisigaddress(2, [addr1Obj['pubkey'], addr2Obj['pubkey']])['address']
mSigObj = self.nodes[2].addmultisigaddress(2, [addr1Obj['pubkey'], addr2Obj['pubkey']])['address']
mSigObjValid = self.nodes[2].getaddressinfo(mSigObj)
txId = self.nodes[0].sendtoaddress(mSigObj, 2.2)
decTx = self.nodes[0].gettransaction(txId)
rawTx2 = self.nodes[0].decoderawtransaction(decTx['hex'])
self.sync_all()
self.nodes[0].generate(1)
self.sync_all()
assert_equal(self.nodes[2].getbalance(), bal) # the funds of a 2of2 multisig tx should not be marked as spendable
txDetails = self.nodes[0].gettransaction(txId, True)
rawTx2 = self.nodes[0].decoderawtransaction(txDetails['hex'])
vout = False
for outpoint in rawTx2['vout']:
if outpoint['value'] == Decimal('2.20000000'):
vout = outpoint
break
bal = self.nodes[0].getbalance()
inputs = [{ "txid" : txId, "vout" : vout['n'], "scriptPubKey" : vout['scriptPubKey']['hex'], "redeemScript" : mSigObjValid['hex'], "amount" : vout['value']}]
outputs = { self.nodes[0].getnewaddress() : 2.19 }
rawTx2 = self.nodes[2].createrawtransaction(inputs, outputs)
rawTxPartialSigned1 = self.nodes[1].signrawtransactionwithwallet(rawTx2, inputs)
self.log.debug(rawTxPartialSigned1)
assert_equal(rawTxPartialSigned1['complete'], False) #node1 only has one key, can't comp. sign the tx
rawTxPartialSigned2 = self.nodes[2].signrawtransactionwithwallet(rawTx2, inputs)
self.log.debug(rawTxPartialSigned2)
assert_equal(rawTxPartialSigned2['complete'], False) #node2 only has one key, can't comp. sign the tx
rawTxComb = self.nodes[2].combinerawtransaction([rawTxPartialSigned1['hex'], rawTxPartialSigned2['hex']])
self.log.debug(rawTxComb)
self.nodes[2].sendrawtransaction(rawTxComb)
rawTx2 = self.nodes[0].decoderawtransaction(rawTxComb)
self.sync_all()
self.nodes[0].generate(1)
self.sync_all()
assert_equal(self.nodes[0].getbalance(), bal+Decimal('50.00000000')+Decimal('2.19000000')) #block reward + tx
# decoderawtransaction tests
# witness transaction
encrawtx = "010000000001010000000000000072c1a6a246ae63f74f931e8365e15a089c68d61900000000000000000000ffffffff0100e1f50500000000000102616100000000"
decrawtx = self.nodes[0].decoderawtransaction(encrawtx, True) # decode as witness transaction
assert_equal(decrawtx['vout'][0]['value'], Decimal('1.00000000'))
assert_raises_rpc_error(-22, 'TX decode failed', self.nodes[0].decoderawtransaction, encrawtx, False) # force decode as non-witness transaction
# non-witness transaction
encrawtx = "01000000010000000000000072c1a6a246ae63f74f931e8365e15a089c68d61900000000000000000000ffffffff0100e1f505000000000000000000"
decrawtx = self.nodes[0].decoderawtransaction(encrawtx, False) # decode as non-witness transaction
assert_equal(decrawtx['vout'][0]['value'], Decimal('1.00000000'))
# getrawtransaction tests
# 1. valid parameters - only supply txid
txHash = rawTx["hash"]
assert_equal(self.nodes[0].getrawtransaction(txHash), rawTxSigned['hex'])
# 2. valid parameters - supply txid and 0 for non-verbose
assert_equal(self.nodes[0].getrawtransaction(txHash, 0), rawTxSigned['hex'])
# 3. valid parameters - supply txid and False for non-verbose
assert_equal(self.nodes[0].getrawtransaction(txHash, False), rawTxSigned['hex'])
# 4. valid parameters - supply txid and 1 for verbose.
# We only check the "hex" field of the output so we don't need to update this test every time the output format changes.
assert_equal(self.nodes[0].getrawtransaction(txHash, 1)["hex"], rawTxSigned['hex'])
# 5. valid parameters - supply txid and True for non-verbose
assert_equal(self.nodes[0].getrawtransaction(txHash, True)["hex"], rawTxSigned['hex'])
# 6. invalid parameters - supply txid and string "Flase"
assert_raises_rpc_error(-1, "not a boolean", self.nodes[0].getrawtransaction, txHash, "Flase")
# 7. invalid parameters - supply txid and empty array
assert_raises_rpc_error(-1, "not a boolean", self.nodes[0].getrawtransaction, txHash, [])
# 8. invalid parameters - supply txid and empty dict
assert_raises_rpc_error(-1, "not a boolean", self.nodes[0].getrawtransaction, txHash, {})
inputs = [ {'txid' : "1d1d4e24ed99057e84c3f80fd8fbec79ed9e1acee37da269356ecea000000000", 'vout' : 1, 'sequence' : 1000}]
outputs = { self.nodes[0].getnewaddress() : 1 }
rawtx = self.nodes[0].createrawtransaction(inputs, outputs)
decrawtx= self.nodes[0].decoderawtransaction(rawtx)
assert_equal(decrawtx['vin'][0]['sequence'], 1000)
# 9. invalid parameters - sequence number out of range
inputs = [ {'txid' : "1d1d4e24ed99057e84c3f80fd8fbec79ed9e1acee37da269356ecea000000000", 'vout' : 1, 'sequence' : -1}]
outputs = { self.nodes[0].getnewaddress() : 1 }
assert_raises_rpc_error(-8, 'Invalid parameter, sequence number is out of range', self.nodes[0].createrawtransaction, inputs, outputs)
# 10. invalid parameters - sequence number out of range
inputs = [ {'txid' : "1d1d4e24ed99057e84c3f80fd8fbec79ed9e1acee37da269356ecea000000000", 'vout' : 1, 'sequence' : 4294967296}]
outputs = { self.nodes[0].getnewaddress() : 1 }
assert_raises_rpc_error(-8, 'Invalid parameter, sequence number is out of range', self.nodes[0].createrawtransaction, inputs, outputs)
inputs = [ {'txid' : "1d1d4e24ed99057e84c3f80fd8fbec79ed9e1acee37da269356ecea000000000", 'vout' : 1, 'sequence' : 4294967294}]
outputs = { self.nodes[0].getnewaddress() : 1 }
rawtx = self.nodes[0].createrawtransaction(inputs, outputs)
decrawtx= self.nodes[0].decoderawtransaction(rawtx)
assert_equal(decrawtx['vin'][0]['sequence'], 4294967294)
####################################
# TRANSACTION VERSION NUMBER TESTS #
####################################
# Test the minimum transaction version number that fits in a signed 32-bit integer.
tx = CTransaction()
tx.nVersion = -0x80000000
rawtx = ToHex(tx)
decrawtx = self.nodes[0].decoderawtransaction(rawtx)
assert_equal(decrawtx['version'], -0x80000000)
# Test the maximum transaction version number that fits in a signed 32-bit integer.
tx = CTransaction()
tx.nVersion = 0x7fffffff
rawtx = ToHex(tx)
decrawtx = self.nodes[0].decoderawtransaction(rawtx)
assert_equal(decrawtx['version'], 0x7fffffff)
def run_test(self):
node = self.nodes[0] # convenience reference to the node
self.bootstrap_p2p() # Add one p2p connection to the node
best_block = self.nodes[0].getbestblockhash()
tip = int(best_block, 16)
best_block_time = self.nodes[0].getblock(best_block)['time']
block_time = best_block_time + 1
self.log.info("Create a new block with an anyone-can-spend coinbase.")
height = 1
block = create_block(tip, create_coinbase(height), block_time)
block.solve()
# Save the coinbase for later
block1 = block
tip = block.sha256
node.p2p.send_blocks_and_test([block], node, success=True)
self.log.info("Mature the block.")
self.nodes[0].generate(100)
# b'\x64' is OP_NOTIF
# Transaction will be rejected with code 16 (REJECT_INVALID)
# and we get disconnected immediately
self.log.info('Test a transaction that is rejected')
tx1 = create_tx_with_script(block1.vtx[0],
0,
script_sig=b'\x64' * 35,
amount=50 * COIN - 12000)
node.p2p.send_txs_and_test([tx1],
node,
success=False,
expect_disconnect=True)
# Make two p2p connections to provide the node with orphans
# * p2ps[0] will send valid orphan txs (one with low fee)
# * p2ps[1] will send an invalid orphan tx (and is later disconnected for that)
self.reconnect_p2p(num_connections=2)
self.log.info('Test orphan transaction handling ... ')
# Create a root transaction that we withhold until all dependend transactions
# are sent out and in the orphan cache
SCRIPT_PUB_KEY_OP_TRUE = b'\x51\x75' * 15 + b'\x51'
tx_withhold = CTransaction()
tx_withhold.vin.append(
CTxIn(outpoint=COutPoint(block1.vtx[0].sha256, 0)))
tx_withhold.vout.append(
CTxOut(nValue=50 * COIN - 12000,
scriptPubKey=SCRIPT_PUB_KEY_OP_TRUE))
tx_withhold.calc_sha256()
# Our first orphan tx with some outputs to create further orphan txs
tx_orphan_1 = CTransaction()
tx_orphan_1.vin.append(
CTxIn(outpoint=COutPoint(tx_withhold.sha256, 0)))
tx_orphan_1.vout = [
CTxOut(nValue=10 * COIN, scriptPubKey=SCRIPT_PUB_KEY_OP_TRUE)
] * 3
tx_orphan_1.calc_sha256()
# A valid transaction with low fee
tx_orphan_2_no_fee = CTransaction()
tx_orphan_2_no_fee.vin.append(
CTxIn(outpoint=COutPoint(tx_orphan_1.sha256, 0)))
tx_orphan_2_no_fee.vout.append(
CTxOut(nValue=10 * COIN, scriptPubKey=SCRIPT_PUB_KEY_OP_TRUE))
# A valid transaction with sufficient fee
tx_orphan_2_valid = CTransaction()
tx_orphan_2_valid.vin.append(
CTxIn(outpoint=COutPoint(tx_orphan_1.sha256, 1)))
tx_orphan_2_valid.vout.append(
CTxOut(nValue=10 * COIN - 12000,
scriptPubKey=SCRIPT_PUB_KEY_OP_TRUE))
tx_orphan_2_valid.calc_sha256()
# An invalid transaction with negative fee
tx_orphan_2_invalid = CTransaction()
tx_orphan_2_invalid.vin.append(
CTxIn(outpoint=COutPoint(tx_orphan_1.sha256, 2)))
tx_orphan_2_invalid.vout.append(
CTxOut(nValue=11 * COIN, scriptPubKey=SCRIPT_PUB_KEY_OP_TRUE))
self.log.info('Send the orphans ... ')
# Send valid orphan txs from p2ps[0]
node.p2p.send_txs_and_test(
[tx_orphan_1, tx_orphan_2_no_fee, tx_orphan_2_valid],
node,
success=False)
# Send invalid tx from p2ps[1]
node.p2ps[1].send_txs_and_test([tx_orphan_2_invalid],
node,
success=False)
assert_equal(0,
node.getmempoolinfo()['size']) # Mempool should be empty
assert_equal(2, len(node.getpeerinfo())) # p2ps[1] is still connected
self.log.info('Send the withhold tx ... ')
node.p2p.send_txs_and_test([tx_withhold], node, success=True)
# Transactions that should end up in the mempool
expected_mempool = {
t.hash
for t in [
tx_withhold, # The transaction that is the root for all orphans
tx_orphan_1, # The orphan transaction that splits the coins
tx_orphan_2_valid, # The valid transaction (with sufficient fee)
]
}
# Transactions that do not end up in the mempool
# tx_orphan_no_fee, because it has too low fee (p2ps[0] is not disconnected for relaying that tx)
# tx_orphan_invaid, because it has negative fee (p2ps[1] is disconnected for relaying that tx)
wait_until(lambda: 1 == len(node.getpeerinfo()),
timeout=12) # p2ps[1] is no longer connected
assert_equal(expected_mempool, set(node.getrawmempool()))
# restart node with sending BIP61 messages disabled, check that it disconnects without sending the reject message
self.log.info(
'Test a transaction that is rejected, with BIP61 disabled')
self.restart_node(0, ['-enablebip61=0', '-persistmempool=0'])
self.reconnect_p2p(num_connections=1)
with node.assert_debug_log(expected_msgs=[
"{} from peer=0 was not accepted: mandatory-script-verify-flag-failed (Invalid OP_IF construction) (code 16)"
.format(tx1.hash),
"disconnecting peer=0",
]):
node.p2p.send_txs_and_test([tx1],
node,
success=False,
expect_disconnect=True)
# send_txs_and_test will have waited for disconnect, so we can safely check that no reject has been received
assert_equal(node.p2p.reject_code_received, None)
def test_doublespend_tree(self):
"""Doublespend of a big tree of transactions"""
initial_nValue = 50 * COIN
tx0_outpoint = make_utxo(self.nodes[0], initial_nValue)
def branch(prevout,
initial_value,
max_txs,
tree_width=5,
fee=0.0001 * COIN,
_total_txs=None):
if _total_txs is None:
_total_txs = [0]
if _total_txs[0] >= max_txs:
return
txout_value = (initial_value - fee) // tree_width
if txout_value < fee:
return
vout = [
CTxOut(txout_value, CScript([i + 1]))
for i in range(tree_width)
]
tx = CTransaction()
tx.vin = [CTxIn(prevout, nSequence=0)]
tx.vout = vout
tx_hex = txToHex(tx)
assert (len(tx.serialize()) < 100000)
txid = self.nodes[0].sendrawtransaction(tx_hex, True)
yield tx
_total_txs[0] += 1
txid = int(txid, 16)
for i, txout in enumerate(tx.vout):
for x in branch(COutPoint(txid, i),
txout_value,
max_txs,
tree_width=tree_width,
fee=fee,
_total_txs=_total_txs):
yield x
fee = int(0.0001 * COIN)
n = MAX_REPLACEMENT_LIMIT
tree_txs = list(branch(tx0_outpoint, initial_nValue, n, fee=fee))
assert_equal(len(tree_txs), n)
# Attempt double-spend, will fail because too little fee paid
dbl_tx = CTransaction()
dbl_tx.vin = [CTxIn(tx0_outpoint, nSequence=0)]
dbl_tx.vout = [CTxOut(initial_nValue - fee * n, CScript([1] * 35))]
dbl_tx_hex = txToHex(dbl_tx)
# This will raise an exception due to insufficient fee
assert_raises_rpc_error(-26, "insufficient fee",
self.nodes[0].sendrawtransaction, dbl_tx_hex,
True)
# 1 TDC fee is enough
dbl_tx = CTransaction()
dbl_tx.vin = [CTxIn(tx0_outpoint, nSequence=0)]
dbl_tx.vout = [
CTxOut(initial_nValue - fee * n - 1 * COIN, CScript([1] * 35))
]
dbl_tx_hex = txToHex(dbl_tx)
self.nodes[0].sendrawtransaction(dbl_tx_hex, True)
mempool = self.nodes[0].getrawmempool()
for tx in tree_txs:
tx.rehash()
assert (tx.hash not in mempool)
# Try again, but with more total transactions than the "max txs
# double-spent at once" anti-DoS limit.
for n in (MAX_REPLACEMENT_LIMIT + 1, MAX_REPLACEMENT_LIMIT * 2):
fee = int(0.0001 * COIN)
tx0_outpoint = make_utxo(self.nodes[0], initial_nValue)
tree_txs = list(branch(tx0_outpoint, initial_nValue, n, fee=fee))
assert_equal(len(tree_txs), n)
dbl_tx = CTransaction()
dbl_tx.vin = [CTxIn(tx0_outpoint, nSequence=0)]
dbl_tx.vout = [
CTxOut(initial_nValue - 2 * fee * n, CScript([1] * 35))
]
dbl_tx_hex = txToHex(dbl_tx)
# This will raise an exception
assert_raises_rpc_error(-26, "too many potential replacements",
self.nodes[0].sendrawtransaction,
dbl_tx_hex, True)
for tx in tree_txs:
tx.rehash()
self.nodes[0].getrawtransaction(tx.hash)
def run_test(self):
node = self.nodes[0]
self.log.info('Start with empty mempool and 101 blocks')
# The last 100 coinbase transactions are premature
blockhash = self.generate(node, 101)[0]
txid = node.getblock(blockhash=blockhash, verbosity=2)["tx"][0]["txid"]
assert_equal(node.getmempoolinfo()['size'], 0)
self.log.info("Submit parent with multiple script branches to mempool")
hashlock = hash160(b'Preimage')
witness_script = CScript([
OP_IF, OP_HASH160, hashlock, OP_EQUAL, OP_ELSE, OP_TRUE, OP_ENDIF
])
witness_program = sha256(witness_script)
script_pubkey = CScript([OP_0, witness_program])
parent = CTransaction()
parent.vin.append(CTxIn(COutPoint(int(txid, 16), 0), b""))
parent.vout.append(CTxOut(int(9.99998 * COIN), script_pubkey))
parent.rehash()
privkeys = [node.get_deterministic_priv_key().key]
raw_parent = node.signrawtransactionwithkey(
hexstring=parent.serialize().hex(), privkeys=privkeys)['hex']
parent_txid = node.sendrawtransaction(hexstring=raw_parent,
maxfeerate=0)
self.generate(node, 1)
peer_wtxid_relay = node.add_p2p_connection(P2PTxInvStore())
# Create a new transaction with witness solving first branch
child_witness_script = CScript([OP_TRUE])
child_witness_program = sha256(child_witness_script)
child_script_pubkey = CScript([OP_0, child_witness_program])
child_one = CTransaction()
child_one.vin.append(CTxIn(COutPoint(int(parent_txid, 16), 0), b""))
child_one.vout.append(CTxOut(int(9.99996 * COIN), child_script_pubkey))
child_one.wit.vtxinwit.append(CTxInWitness())
child_one.wit.vtxinwit[0].scriptWitness.stack = [
b'Preimage', b'\x01', witness_script
]
child_one_wtxid = child_one.getwtxid()
child_one_txid = child_one.rehash()
# Create another identical transaction with witness solving second branch
child_two = deepcopy(child_one)
child_two.wit.vtxinwit[0].scriptWitness.stack = [b'', witness_script]
child_two_wtxid = child_two.getwtxid()
child_two_txid = child_two.rehash()
assert_equal(child_one_txid, child_two_txid)
assert child_one_wtxid != child_two_wtxid
self.log.info("Submit child_one to the mempool")
txid_submitted = node.sendrawtransaction(child_one.serialize().hex())
assert_equal(
node.getmempoolentry(txid_submitted)['wtxid'], child_one_wtxid)
peer_wtxid_relay.wait_for_broadcast([child_one_wtxid])
assert_equal(node.getmempoolinfo()["unbroadcastcount"], 0)
# testmempoolaccept reports the "already in mempool" error
assert_equal(node.testmempoolaccept([child_one.serialize().hex()]),
[{
"txid": child_one_txid,
"wtxid": child_one_wtxid,
"allowed": False,
"reject-reason": "txn-already-in-mempool"
}])
assert_equal(
node.testmempoolaccept([child_two.serialize().hex()])[0], {
"txid": child_two_txid,
"wtxid": child_two_wtxid,
"allowed": False,
"reject-reason": "txn-same-nonwitness-data-in-mempool"
})
# sendrawtransaction will not throw but quits early when the exact same transaction is already in mempool
node.sendrawtransaction(child_one.serialize().hex())
self.log.info("Connect another peer that hasn't seen child_one before")
peer_wtxid_relay_2 = node.add_p2p_connection(P2PTxInvStore())
self.log.info("Submit child_two to the mempool")
# sendrawtransaction will not throw but quits early when a transaction with the same non-witness data is already in mempool
node.sendrawtransaction(child_two.serialize().hex())
# The node should rebroadcast the transaction using the wtxid of the correct transaction
# (child_one, which is in its mempool).
peer_wtxid_relay_2.wait_for_broadcast([child_one_wtxid])
assert_equal(node.getmempoolinfo()["unbroadcastcount"], 0)
def test_doublespend_chain(self):
"""Doublespend of a long chain"""
initial_nValue = 50 * COIN
tx0_outpoint = make_utxo(self.nodes[0], initial_nValue)
prevout = tx0_outpoint
remaining_value = initial_nValue
chain_txids = []
while remaining_value > 10 * COIN:
remaining_value -= 1 * COIN
tx = CTransaction()
tx.vin = [CTxIn(prevout, nSequence=0)]
tx.vout = [
CTxOut(remaining_value, CScript([1, OP_DROP] * 15 + [1]))
]
tx_hex = txToHex(tx)
txid = self.nodes[0].sendrawtransaction(tx_hex, True)
chain_txids.append(txid)
prevout = COutPoint(int(txid, 16), 0)
# Whether the double-spend is allowed is evaluated by including all
# child fees - 40 TDC - so this attempt is rejected.
dbl_tx = CTransaction()
dbl_tx.vin = [CTxIn(tx0_outpoint, nSequence=0)]
dbl_tx.vout = [CTxOut(initial_nValue - 30 * COIN, CScript([1] * 35))]
dbl_tx_hex = txToHex(dbl_tx)
# This will raise an exception due to insufficient fee
assert_raises_rpc_error(-26, "insufficient fee",
self.nodes[0].sendrawtransaction, dbl_tx_hex,
True)
# Accepted with sufficient fee
dbl_tx = CTransaction()
dbl_tx.vin = [CTxIn(tx0_outpoint, nSequence=0)]
dbl_tx.vout = [CTxOut(1 * COIN, CScript([1] * 35))]
dbl_tx_hex = txToHex(dbl_tx)
self.nodes[0].sendrawtransaction(dbl_tx_hex, True)
mempool = self.nodes[0].getrawmempool()
for doublespent_txid in chain_txids:
assert (doublespent_txid not in mempool)
def run_test(self):
self.address = self.nodes[0].getnewaddress()
self.ms_address = self.nodes[0].addmultisigaddress(
1, [self.address])['address']
self.wit_address = self.nodes[0].addwitnessaddress(self.address)
self.wit_ms_address = self.nodes[0].addmultisigaddress(
1, [self.address], '', 'p2sh-segwit')['address']
self.coinbase_blocks = self.nodes[0].generate(2) # Block 2
coinbase_txid = []
for i in self.coinbase_blocks:
coinbase_txid.append(self.nodes[0].getblock(i)['tx'][0])
self.nodes[0].generate(427) # Block 429
self.lastblockhash = self.nodes[0].getbestblockhash()
self.tip = int("0x" + self.lastblockhash, 0)
self.lastblockheight = 429
self.lastblocktime = int(time.time()) + 429
self.log.info(
"Test 1: NULLDUMMY compliant base transactions should be accepted to mempool and mined before activation [430]"
)
test1txs = [
create_transaction(self.nodes[0],
coinbase_txid[0],
self.ms_address,
amount=49)
]
txid1 = self.nodes[0].sendrawtransaction(
bytes_to_hex_str(test1txs[0].serialize_with_witness()), True)
test1txs.append(
create_transaction(self.nodes[0],
txid1,
self.ms_address,
amount=48))
txid2 = self.nodes[0].sendrawtransaction(
bytes_to_hex_str(test1txs[1].serialize_with_witness()), True)
test1txs.append(
create_transaction(self.nodes[0],
coinbase_txid[1],
self.wit_ms_address,
amount=49))
txid3 = self.nodes[0].sendrawtransaction(
bytes_to_hex_str(test1txs[2].serialize_with_witness()), True)
self.block_submit(self.nodes[0], test1txs, False, True)
self.log.info(
"Test 2: Non-NULLDUMMY base multisig transaction should not be accepted to mempool before activation"
)
test2tx = create_transaction(self.nodes[0],
txid2,
self.ms_address,
amount=47)
trueDummy(test2tx)
assert_raises_rpc_error(
-26, NULLDUMMY_ERROR, self.nodes[0].sendrawtransaction,
bytes_to_hex_str(test2tx.serialize_with_witness()), True)
self.log.info(
"Test 3: Non-NULLDUMMY base transactions should be accepted in a block before activation [431]"
)
self.block_submit(self.nodes[0], [test2tx], False, True)
self.log.info(
"Test 4: Non-NULLDUMMY base multisig transaction is invalid after activation"
)
test4tx = create_transaction(self.nodes[0],
test2tx.hash,
self.address,
amount=46)
test6txs = [CTransaction(test4tx)]
trueDummy(test4tx)
assert_raises_rpc_error(
-26, NULLDUMMY_ERROR, self.nodes[0].sendrawtransaction,
bytes_to_hex_str(test4tx.serialize_with_witness()), True)
self.block_submit(self.nodes[0], [test4tx])
self.log.info(
"Test 5: Non-NULLDUMMY P2WSH multisig transaction invalid after activation"
)
test5tx = create_transaction(self.nodes[0],
txid3,
self.wit_address,
amount=48)
test6txs.append(CTransaction(test5tx))
test5tx.wit.vtxinwit[0].scriptWitness.stack[0] = b'\x01'
assert_raises_rpc_error(
-26, NULLDUMMY_ERROR, self.nodes[0].sendrawtransaction,
bytes_to_hex_str(test5tx.serialize_with_witness()), True)
self.block_submit(self.nodes[0], [test5tx], True)
self.log.info(
"Test 6: NULLDUMMY compliant base/witness transactions should be accepted to mempool and in block after activation [432]"
)
for i in test6txs:
self.nodes[0].sendrawtransaction(
bytes_to_hex_str(i.serialize_with_witness()), True)
self.block_submit(self.nodes[0], test6txs, True, True)
def run_test(self):
p2p0 = self.nodes[0].add_p2p_connection(BaseNode())
# Build the blockchain
self.tip = int(self.nodes[0].getbestblockhash(), 16)
self.block_time = self.nodes[0].getblock(self.nodes[0].getbestblockhash())['time'] + 1
self.blocks = []
# Get a pubkey for the coinbase TXO
coinbase_key = CECKey()
coinbase_key.set_secretbytes(b"horsebattery")
coinbase_pubkey = coinbase_key.get_pubkey()
# Create the first block with a coinbase output to our key
height = 1
block = create_block(self.tip, create_coinbase(height, coinbase_pubkey), self.block_time)
self.blocks.append(block)
self.block_time += 1
block.solve()
# Save the coinbase for later
self.block1 = block
self.tip = block.sha256
height += 1
# Bury the block 100 deep so the coinbase output is spendable
for i in range(100):
block = create_block(self.tip, create_coinbase(height), self.block_time)
block.solve()
self.blocks.append(block)
self.tip = block.sha256
self.block_time += 1
height += 1
# Create a transaction spending the coinbase output with an invalid (null) signature
tx = CTransaction()
tx.vin.append(CTxIn(COutPoint(self.block1.vtx[0].sha256, 0), scriptSig=b""))
tx.vout.append(CTxOut(49 * 100000000, CScript([OP_TRUE])))
tx.calc_sha256()
block102 = create_block(self.tip, create_coinbase(height), self.block_time)
self.block_time += 1
block102.vtx.extend([tx])
block102.hashMerkleRoot = block102.calc_merkle_root()
block102.rehash()
block102.solve()
self.blocks.append(block102)
self.tip = block102.sha256
self.block_time += 1
height += 1
# Bury the assumed valid block 2100 deep
for i in range(2100):
block = create_block(self.tip, create_coinbase(height), self.block_time)
block.nVersion = 4
block.solve()
self.blocks.append(block)
self.tip = block.sha256
self.block_time += 1
height += 1
self.nodes[0].disconnect_p2ps()
# Start node1 and node2 with assumevalid so they accept a block with a bad signature.
self.start_node(1, extra_args=["-assumevalid=" + hex(block102.sha256)])
self.start_node(2, extra_args=["-assumevalid=" + hex(block102.sha256)])
p2p0 = self.nodes[0].add_p2p_connection(BaseNode())
p2p1 = self.nodes[1].add_p2p_connection(BaseNode())
p2p2 = self.nodes[2].add_p2p_connection(BaseNode())
# send header lists to all three nodes
p2p0.send_header_for_blocks(self.blocks[0:2000])
p2p0.send_header_for_blocks(self.blocks[2000:])
p2p1.send_header_for_blocks(self.blocks[0:2000])
p2p1.send_header_for_blocks(self.blocks[2000:])
p2p2.send_header_for_blocks(self.blocks[0:200])
# Send blocks to node0. Block 102 will be rejected.
self.send_blocks_until_disconnected(p2p0)
self.assert_blockchain_height(self.nodes[0], 101)
# Send all blocks to node1. All blocks will be accepted.
for i in range(2202):
p2p1.send_message(msg_block(self.blocks[i]))
# Syncing 2200 blocks can take a while on slow systems. Give it plenty of time to sync.
p2p1.sync_with_ping(120)
assert_equal(self.nodes[1].getblock(self.nodes[1].getbestblockhash())['height'], 2202)
# Send blocks to node2. Block 102 will be rejected.
self.send_blocks_until_disconnected(p2p2)
self.assert_blockchain_height(self.nodes[2], 101)
def run_test(self):
node = self.nodes[0] # convenience reference to the node
self.bootstrap_p2p() # Add one p2p connection to the node
best_block = self.nodes[0].getbestblockhash()
tip = int(best_block, 16)
best_block_time = self.nodes[0].getblock(best_block)['time']
block_time = best_block_time + 1
self.log.info("Create a new block with an anyone-can-spend coinbase.")
height = 1
block = create_block(tip, create_coinbase(height), block_time)
block.solve()
# Save the coinbase for later
block1 = block
tip = block.sha256
node.p2p.send_blocks_and_test([block], node, success=True)
self.log.info("Mature the block.")
self.nodes[0].generate(100)
# Iterate through a list of known invalid transaction types, ensuring each is
# rejected. Some are consensus invalid and some just violate policy.
for BadTxTemplate in invalid_txs.iter_all_templates():
self.log.info("Testing invalid transaction: %s", BadTxTemplate.__name__)
template = BadTxTemplate(spend_block=block1)
tx = template.get_tx()
node.p2p.send_txs_and_test(
[tx], node, success=False,
expect_disconnect=template.expect_disconnect,
reject_reason=template.reject_reason,
)
if template.expect_disconnect:
self.log.info("Reconnecting to peer")
self.reconnect_p2p()
# Make two p2p connections to provide the node with orphans
# * p2ps[0] will send valid orphan txs (one with low fee)
# * p2ps[1] will send an invalid orphan tx (and is later disconnected for that)
self.reconnect_p2p(num_connections=2)
self.log.info('Test orphan transaction handling ... ')
# Create a root transaction that we withhold until all dependent transactions
# are sent out and in the orphan cache
SCRIPT_PUB_KEY_OP_TRUE = b'\x51\x75' * 15 + b'\x51'
tx_withhold = CTransaction()
tx_withhold.vin.append(CTxIn(outpoint=COutPoint(block1.vtx[0].sha256, 0)))
tx_withhold.vout.append(CTxOut(nValue=50 * COIN - 12000, scriptPubKey=SCRIPT_PUB_KEY_OP_TRUE))
tx_withhold.calc_sha256()
# Our first orphan tx with some outputs to create further orphan txs
tx_orphan_1 = CTransaction()
tx_orphan_1.vin.append(CTxIn(outpoint=COutPoint(tx_withhold.sha256, 0)))
tx_orphan_1.vout = [CTxOut(nValue=10 * COIN, scriptPubKey=SCRIPT_PUB_KEY_OP_TRUE)] * 3
tx_orphan_1.calc_sha256()
# A valid transaction with low fee
tx_orphan_2_no_fee = CTransaction()
tx_orphan_2_no_fee.vin.append(CTxIn(outpoint=COutPoint(tx_orphan_1.sha256, 0)))
tx_orphan_2_no_fee.vout.append(CTxOut(nValue=10 * COIN, scriptPubKey=SCRIPT_PUB_KEY_OP_TRUE))
# A valid transaction with sufficient fee
tx_orphan_2_valid = CTransaction()
tx_orphan_2_valid.vin.append(CTxIn(outpoint=COutPoint(tx_orphan_1.sha256, 1)))
tx_orphan_2_valid.vout.append(CTxOut(nValue=10 * COIN - 12000, scriptPubKey=SCRIPT_PUB_KEY_OP_TRUE))
tx_orphan_2_valid.calc_sha256()
# An invalid transaction with negative fee
tx_orphan_2_invalid = CTransaction()
tx_orphan_2_invalid.vin.append(CTxIn(outpoint=COutPoint(tx_orphan_1.sha256, 2)))
tx_orphan_2_invalid.vout.append(CTxOut(nValue=11 * COIN, scriptPubKey=SCRIPT_PUB_KEY_OP_TRUE))
self.log.info('Send the orphans ... ')
# Send valid orphan txs from p2ps[0]
node.p2p.send_txs_and_test([tx_orphan_1, tx_orphan_2_no_fee, tx_orphan_2_valid], node, success=False)
# Send invalid tx from p2ps[1]
node.p2ps[1].send_txs_and_test([tx_orphan_2_invalid], node, success=False)
assert_equal(0, node.getmempoolinfo()['size']) # Mempool should be empty
assert_equal(2, len(node.getpeerinfo())) # p2ps[1] is still connected
self.log.info('Send the withhold tx ... ')
with node.assert_debug_log(expected_msgs=["bad-txns-in-belowout"]):
node.p2p.send_txs_and_test([tx_withhold], node, success=True)
# Transactions that should end up in the mempool
expected_mempool = {
t.hash
for t in [
tx_withhold, # The transaction that is the root for all orphans
tx_orphan_1, # The orphan transaction that splits the coins
tx_orphan_2_valid, # The valid transaction (with sufficient fee)
]
}
# Transactions that do not end up in the mempool
# tx_orphan_no_fee, because it has too low fee (p2ps[0] is not disconnected for relaying that tx)
# tx_orphan_invaid, because it has negative fee (p2ps[1] is disconnected for relaying that tx)
wait_until(lambda: 1 == len(node.getpeerinfo()), timeout=12) # p2ps[1] is no longer connected
assert_equal(expected_mempool, set(node.getrawmempool()))
def run_test(self):
peer = self.nodes[0].add_p2p_connection(P2PInterface())
wallet = MiniWallet(self.nodes[0], mode=MiniWalletMode.RAW_OP_TRUE)
self.test_cltv_info(is_active=False)
self.log.info("Mining %d blocks", CLTV_HEIGHT - 2)
wallet.generate(10)
self.nodes[0].generate(CLTV_HEIGHT - 2 - 10)
self.log.info(
"Test that invalid-according-to-CLTV transactions can still appear in a block"
)
# create one invalid tx per CLTV failure reason (5 in total) and collect them
invalid_cltv_txs = []
for i in range(5):
spendtx = wallet.create_self_transfer(
from_node=self.nodes[0])['tx']
cltv_invalidate(spendtx, i)
invalid_cltv_txs.append(spendtx)
tip = self.nodes[0].getbestblockhash()
block_time = self.nodes[0].getblockheader(tip)['mediantime'] + 1
block = create_block(int(tip, 16), create_coinbase(CLTV_HEIGHT - 1),
block_time)
block.nVersion = 3
block.vtx.extend(invalid_cltv_txs)
block.hashMerkleRoot = block.calc_merkle_root()
block.solve()
self.test_cltv_info(
is_active=False
) # Not active as of current tip and next block does not need to obey rules
peer.send_and_ping(msg_block(block))
self.test_cltv_info(
is_active=True
) # Not active as of current tip, but next block must obey rules
assert_equal(self.nodes[0].getbestblockhash(), block.hash)
self.log.info("Test that blocks must now be at least version 4")
tip = block.sha256
block_time += 1
block = create_block(tip, create_coinbase(CLTV_HEIGHT), block_time)
block.nVersion = 3
block.solve()
with self.nodes[0].assert_debug_log(expected_msgs=[
'{}, bad-version(0x00000003)'.format(block.hash)
]):
peer.send_and_ping(msg_block(block))
assert_equal(int(self.nodes[0].getbestblockhash(), 16), tip)
peer.sync_with_ping()
self.log.info(
"Test that invalid-according-to-CLTV transactions cannot appear in a block"
)
block.nVersion = 4
block.vtx.append(CTransaction(
)) # dummy tx after coinbase that will be replaced later
# create and test one invalid tx per CLTV failure reason (5 in total)
for i in range(5):
spendtx = wallet.create_self_transfer(
from_node=self.nodes[0])['tx']
cltv_invalidate(spendtx, i)
expected_cltv_reject_reason = [
"non-mandatory-script-verify-flag (Operation not valid with the current stack size)",
"non-mandatory-script-verify-flag (Negative locktime)",
"non-mandatory-script-verify-flag (Locktime requirement not satisfied)",
"non-mandatory-script-verify-flag (Locktime requirement not satisfied)",
"non-mandatory-script-verify-flag (Locktime requirement not satisfied)",
][i]
# First we show that this tx is valid except for CLTV by getting it
# rejected from the mempool for exactly that reason.
assert_equal(
[{
'txid': spendtx.hash,
'wtxid': spendtx.getwtxid(),
'allowed': False,
'reject-reason': expected_cltv_reject_reason,
}],
self.nodes[0].testmempoolaccept(
rawtxs=[spendtx.serialize().hex()], maxfeerate=0),
)
# Now we verify that a block with this transaction is also invalid.
block.vtx[1] = spendtx
block.hashMerkleRoot = block.calc_merkle_root()
block.solve()
with self.nodes[0].assert_debug_log(expected_msgs=[
'CheckInputScripts on {} failed with {}'.format(
block.vtx[-1].hash, expected_cltv_reject_reason)
]):
peer.send_and_ping(msg_block(block))
assert_equal(int(self.nodes[0].getbestblockhash(), 16), tip)
peer.sync_with_ping()
self.log.info(
"Test that a version 4 block with a valid-according-to-CLTV transaction is accepted"
)
cltv_validate(spendtx, CLTV_HEIGHT - 1)
block.vtx.pop(1)
block.vtx.append(spendtx)
block.hashMerkleRoot = block.calc_merkle_root()
block.solve()
self.test_cltv_info(
is_active=True
) # Not active as of current tip, but next block must obey rules
peer.send_and_ping(msg_block(block))
self.test_cltv_info(is_active=True) # Active as of current tip
assert_equal(int(self.nodes[0].getbestblockhash(), 16), block.sha256)
def run_test(self):
self.log.info('prepare some coins for multiple *rawtransaction commands')
self.nodes[2].generate(1)
self.sync_all()
self.nodes[0].generate(101)
self.sync_all()
self.nodes[0].sendtoaddress(self.nodes[2].getnewaddress(),1.5)
self.nodes[0].sendtoaddress(self.nodes[2].getnewaddress(),1.0)
self.nodes[0].sendtoaddress(self.nodes[2].getnewaddress(),5.0)
self.sync_all()
self.nodes[0].generate(5)
self.sync_all()
self.log.info('Test getrawtransaction on genesis block coinbase returns an error')
block = self.nodes[0].getblock(self.nodes[0].getblockhash(0))
assert_raises_rpc_error(-5, "The genesis block coinbase is not considered an ordinary transaction", self.nodes[0].getrawtransaction, block['merkleroot'])
self.log.info('Check parameter types and required parameters of createrawtransaction')
# Test `createrawtransaction` required parameters
assert_raises_rpc_error(-1, "createrawtransaction", self.nodes[0].createrawtransaction)
assert_raises_rpc_error(-1, "createrawtransaction", self.nodes[0].createrawtransaction, [])
# Test `createrawtransaction` invalid extra parameters
assert_raises_rpc_error(-1, "createrawtransaction", self.nodes[0].createrawtransaction, [], {}, 0, False, 'foo')
# Test `createrawtransaction` invalid `inputs`
txid = '1d1d4e24ed99057e84c3f80fd8fbec79ed9e1acee37da269356ecea000000000'
assert_raises_rpc_error(-3, "Expected type array", self.nodes[0].createrawtransaction, 'foo', {})
assert_raises_rpc_error(-1, "JSON value is not an object as expected", self.nodes[0].createrawtransaction, ['foo'], {})
assert_raises_rpc_error(-1, "JSON value is not a string as expected", self.nodes[0].createrawtransaction, [{}], {})
assert_raises_rpc_error(-8, "txid must be of length 64 (not 3, for 'foo')", self.nodes[0].createrawtransaction, [{'txid': 'foo'}], {})
assert_raises_rpc_error(-8, "txid must be hexadecimal string (not 'ZZZ7bb8b1697ea987f3b223ba7819250cae33efacb068d23dc24859824a77844')", self.nodes[0].createrawtransaction, [{'txid': 'ZZZ7bb8b1697ea987f3b223ba7819250cae33efacb068d23dc24859824a77844'}], {})
assert_raises_rpc_error(-8, "Invalid parameter, missing vout key", self.nodes[0].createrawtransaction, [{'txid': txid}], {})
assert_raises_rpc_error(-8, "Invalid parameter, missing vout key", self.nodes[0].createrawtransaction, [{'txid': txid, 'vout': 'foo'}], {})
assert_raises_rpc_error(-8, "Invalid parameter, vout must be positive", self.nodes[0].createrawtransaction, [{'txid': txid, 'vout': -1}], {})
assert_raises_rpc_error(-8, "Invalid parameter, sequence number is out of range", self.nodes[0].createrawtransaction, [{'txid': txid, 'vout': 0, 'sequence': -1}], {})
# Test `createrawtransaction` invalid `outputs`
address = self.nodes[0].getnewaddress()
address2 = self.nodes[0].getnewaddress()
assert_raises_rpc_error(-1, "JSON value is not an array as expected", self.nodes[0].createrawtransaction, [], 'foo')
self.nodes[0].createrawtransaction(inputs=[], outputs={}) # Should not throw for backwards compatibility
self.nodes[0].createrawtransaction(inputs=[], outputs=[])
assert_raises_rpc_error(-8, "Data must be hexadecimal string", self.nodes[0].createrawtransaction, [], {'data': 'foo'})
assert_raises_rpc_error(-5, "Invalid Bitcoin address", self.nodes[0].createrawtransaction, [], {'foo': 0})
assert_raises_rpc_error(-3, "Invalid amount", self.nodes[0].createrawtransaction, [], {address: 'foo'})
assert_raises_rpc_error(-3, "Amount out of range", self.nodes[0].createrawtransaction, [], {address: -1})
assert_raises_rpc_error(-8, "Invalid parameter, duplicated address: %s" % address, self.nodes[0].createrawtransaction, [], multidict([(address, 1), (address, 1)]))
assert_raises_rpc_error(-8, "Invalid parameter, duplicated address: %s" % address, self.nodes[0].createrawtransaction, [], [{address: 1}, {address: 1}])
assert_raises_rpc_error(-8, "Invalid parameter, duplicate key: data", self.nodes[0].createrawtransaction, [], [{"data": 'aa'}, {"data": "bb"}])
assert_raises_rpc_error(-8, "Invalid parameter, duplicate key: data", self.nodes[0].createrawtransaction, [], multidict([("data", 'aa'), ("data", "bb")]))
assert_raises_rpc_error(-8, "Invalid parameter, key-value pair must contain exactly one key", self.nodes[0].createrawtransaction, [], [{'a': 1, 'b': 2}])
assert_raises_rpc_error(-8, "Invalid parameter, key-value pair not an object as expected", self.nodes[0].createrawtransaction, [], [['key-value pair1'], ['2']])
# Test `createrawtransaction` invalid `locktime`
assert_raises_rpc_error(-3, "Expected type number", self.nodes[0].createrawtransaction, [], {}, 'foo')
assert_raises_rpc_error(-8, "Invalid parameter, locktime out of range", self.nodes[0].createrawtransaction, [], {}, -1)
assert_raises_rpc_error(-8, "Invalid parameter, locktime out of range", self.nodes[0].createrawtransaction, [], {}, 4294967296)
# Test `createrawtransaction` invalid `replaceable`
assert_raises_rpc_error(-3, "Expected type bool", self.nodes[0].createrawtransaction, [], {}, 0, 'foo')
self.log.info('Check that createrawtransaction accepts an array and object as outputs')
tx = CTransaction()
# One output
tx.deserialize(BytesIO(hex_str_to_bytes(self.nodes[2].createrawtransaction(inputs=[{'txid': txid, 'vout': 9}], outputs={address: 99}))))
assert_equal(len(tx.vout), 1)
assert_equal(
bytes_to_hex_str(tx.serialize()),
self.nodes[2].createrawtransaction(inputs=[{'txid': txid, 'vout': 9}], outputs=[{address: 99}]),
)
# Two outputs
tx.deserialize(BytesIO(hex_str_to_bytes(self.nodes[2].createrawtransaction(inputs=[{'txid': txid, 'vout': 9}], outputs=OrderedDict([(address, 99), (address2, 99)])))))
assert_equal(len(tx.vout), 2)
assert_equal(
bytes_to_hex_str(tx.serialize()),
self.nodes[2].createrawtransaction(inputs=[{'txid': txid, 'vout': 9}], outputs=[{address: 99}, {address2: 99}]),
)
# Multiple mixed outputs
tx.deserialize(BytesIO(hex_str_to_bytes(self.nodes[2].createrawtransaction(inputs=[{'txid': txid, 'vout': 9}], outputs=multidict([(address, 99), (address2, 99), ('data', '99')])))))
assert_equal(len(tx.vout), 3)
assert_equal(
bytes_to_hex_str(tx.serialize()),
self.nodes[2].createrawtransaction(inputs=[{'txid': txid, 'vout': 9}], outputs=[{address: 99}, {address2: 99}, {'data': '99'}]),
)
for type in ["bech32", "p2sh-segwit", "legacy"]:
addr = self.nodes[0].getnewaddress("", type)
addrinfo = self.nodes[0].getaddressinfo(addr)
pubkey = addrinfo["scriptPubKey"]
self.log.info('sendrawtransaction with missing prevtx info (%s)' %(type))
# Test `signrawtransactionwithwallet` invalid `prevtxs`
inputs = [ {'txid' : txid, 'vout' : 3, 'sequence' : 1000}]
outputs = { self.nodes[0].getnewaddress() : 1 }
rawtx = self.nodes[0].createrawtransaction(inputs, outputs)
prevtx = dict(txid=txid, scriptPubKey=pubkey, vout=3, amount=1)
succ = self.nodes[0].signrawtransactionwithwallet(rawtx, [prevtx])
assert succ["complete"]
if type == "legacy":
del prevtx["amount"]
succ = self.nodes[0].signrawtransactionwithwallet(rawtx, [prevtx])
assert succ["complete"]
if type != "legacy":
assert_raises_rpc_error(-3, "Missing amount", self.nodes[0].signrawtransactionwithwallet, rawtx, [
{
"txid": txid,
"scriptPubKey": pubkey,
"vout": 3,
}
])
assert_raises_rpc_error(-3, "Missing vout", self.nodes[0].signrawtransactionwithwallet, rawtx, [
{
"txid": txid,
"scriptPubKey": pubkey,
"amount": 1,
}
])
assert_raises_rpc_error(-3, "Missing txid", self.nodes[0].signrawtransactionwithwallet, rawtx, [
{
"scriptPubKey": pubkey,
"vout": 3,
"amount": 1,
}
])
assert_raises_rpc_error(-3, "Missing scriptPubKey", self.nodes[0].signrawtransactionwithwallet, rawtx, [
{
"txid": txid,
"vout": 3,
"amount": 1
}
])
#########################################
# sendrawtransaction with missing input #
#########################################
self.log.info('sendrawtransaction with missing input')
inputs = [ {'txid' : "1d1d4e24ed99057e84c3f80fd8fbec79ed9e1acee37da269356ecea000000000", 'vout' : 1}] #won't exists
outputs = { self.nodes[0].getnewaddress() : 4.998 }
rawtx = self.nodes[2].createrawtransaction(inputs, outputs)
rawtx = self.nodes[2].signrawtransactionwithwallet(rawtx)
# This will raise an exception since there are missing inputs
assert_raises_rpc_error(-25, "Missing inputs", self.nodes[2].sendrawtransaction, rawtx['hex'])
#####################################
# getrawtransaction with block hash #
#####################################
# make a tx by sending then generate 2 blocks; block1 has the tx in it
tx = self.nodes[2].sendtoaddress(self.nodes[1].getnewaddress(), 1)
block1, block2 = self.nodes[2].generate(2)
self.sync_all()
# We should be able to get the raw transaction by providing the correct block
gottx = self.nodes[0].getrawtransaction(tx, True, block1)
assert_equal(gottx['txid'], tx)
assert_equal(gottx['in_active_chain'], True)
# We should not have the 'in_active_chain' flag when we don't provide a block
gottx = self.nodes[0].getrawtransaction(tx, True)
assert_equal(gottx['txid'], tx)
assert 'in_active_chain' not in gottx
# We should not get the tx if we provide an unrelated block
assert_raises_rpc_error(-5, "No such transaction found", self.nodes[0].getrawtransaction, tx, True, block2)
# An invalid block hash should raise the correct errors
assert_raises_rpc_error(-1, "JSON value is not a string as expected", self.nodes[0].getrawtransaction, tx, True, True)
assert_raises_rpc_error(-8, "parameter 3 must be of length 64 (not 6, for 'foobar')", self.nodes[0].getrawtransaction, tx, True, "foobar")
assert_raises_rpc_error(-8, "parameter 3 must be of length 64 (not 8, for 'abcd1234')", self.nodes[0].getrawtransaction, tx, True, "abcd1234")
assert_raises_rpc_error(-8, "parameter 3 must be hexadecimal string (not 'ZZZ0000000000000000000000000000000000000000000000000000000000000')", self.nodes[0].getrawtransaction, tx, True, "ZZZ0000000000000000000000000000000000000000000000000000000000000")
assert_raises_rpc_error(-5, "Block hash not found", self.nodes[0].getrawtransaction, tx, True, "0000000000000000000000000000000000000000000000000000000000000000")
# Undo the blocks and check in_active_chain
self.nodes[0].invalidateblock(block1)
gottx = self.nodes[0].getrawtransaction(txid=tx, verbose=True, blockhash=block1)
assert_equal(gottx['in_active_chain'], False)
self.nodes[0].reconsiderblock(block1)
assert_equal(self.nodes[0].getbestblockhash(), block2)
#########################
# RAW TX MULTISIG TESTS #
#########################
# 2of2 test
addr1 = self.nodes[2].getnewaddress()
addr2 = self.nodes[2].getnewaddress()
addr1Obj = self.nodes[2].getaddressinfo(addr1)
addr2Obj = self.nodes[2].getaddressinfo(addr2)
# Tests for createmultisig and addmultisigaddress
assert_raises_rpc_error(-5, "Invalid public key", self.nodes[0].createmultisig, 1, ["01020304"])
self.nodes[0].createmultisig(2, [addr1Obj['pubkey'], addr2Obj['pubkey']]) # createmultisig can only take public keys
assert_raises_rpc_error(-5, "Invalid public key", self.nodes[0].createmultisig, 2, [addr1Obj['pubkey'], addr1]) # addmultisigaddress can take both pubkeys and addresses so long as they are in the wallet, which is tested here.
mSigObj = self.nodes[2].addmultisigaddress(2, [addr1Obj['pubkey'], addr1])['address']
#use balance deltas instead of absolute values
bal = self.nodes[2].getbalance()
# send 1.2 BTC to msig adr
txId = self.nodes[0].sendtoaddress(mSigObj, 1.2)
self.sync_all()
self.nodes[0].generate(1)
self.sync_all()
assert_equal(self.nodes[2].getbalance(), bal+Decimal('1.20000000')) #node2 has both keys of the 2of2 ms addr., tx should affect the balance
# 2of3 test from different nodes
bal = self.nodes[2].getbalance()
addr1 = self.nodes[1].getnewaddress()
addr2 = self.nodes[2].getnewaddress()
addr3 = self.nodes[2].getnewaddress()
addr1Obj = self.nodes[1].getaddressinfo(addr1)
addr2Obj = self.nodes[2].getaddressinfo(addr2)
addr3Obj = self.nodes[2].getaddressinfo(addr3)
mSigObj = self.nodes[2].addmultisigaddress(2, [addr1Obj['pubkey'], addr2Obj['pubkey'], addr3Obj['pubkey']])['address']
txId = self.nodes[0].sendtoaddress(mSigObj, 2.2)
decTx = self.nodes[0].gettransaction(txId)
rawTx = self.nodes[0].decoderawtransaction(decTx['hex'])
self.sync_all()
self.nodes[0].generate(1)
self.sync_all()
#THIS IS AN INCOMPLETE FEATURE
#NODE2 HAS TWO OF THREE KEY AND THE FUNDS SHOULD BE SPENDABLE AND COUNT AT BALANCE CALCULATION
assert_equal(self.nodes[2].getbalance(), bal) #for now, assume the funds of a 2of3 multisig tx are not marked as spendable
txDetails = self.nodes[0].gettransaction(txId, True)
rawTx = self.nodes[0].decoderawtransaction(txDetails['hex'])
vout = False
for outpoint in rawTx['vout']:
if outpoint['value'] == Decimal('2.20000000'):
vout = outpoint
break
bal = self.nodes[0].getbalance()
inputs = [{ "txid" : txId, "vout" : vout['n'], "scriptPubKey" : vout['scriptPubKey']['hex'], "amount" : vout['value']}]
outputs = { self.nodes[0].getnewaddress() : 2.19 }
rawTx = self.nodes[2].createrawtransaction(inputs, outputs)
rawTxPartialSigned = self.nodes[1].signrawtransactionwithwallet(rawTx, inputs)
assert_equal(rawTxPartialSigned['complete'], False) #node1 only has one key, can't comp. sign the tx
rawTxSigned = self.nodes[2].signrawtransactionwithwallet(rawTx, inputs)
assert_equal(rawTxSigned['complete'], True) #node2 can sign the tx compl., own two of three keys
self.nodes[2].sendrawtransaction(rawTxSigned['hex'])
rawTx = self.nodes[0].decoderawtransaction(rawTxSigned['hex'])
self.sync_all()
self.nodes[0].generate(1)
self.sync_all()
assert_equal(self.nodes[0].getbalance(), bal+Decimal('50.00000000')+Decimal('2.19000000')) #block reward + tx
# 2of2 test for combining transactions
bal = self.nodes[2].getbalance()
addr1 = self.nodes[1].getnewaddress()
addr2 = self.nodes[2].getnewaddress()
addr1Obj = self.nodes[1].getaddressinfo(addr1)
addr2Obj = self.nodes[2].getaddressinfo(addr2)
self.nodes[1].addmultisigaddress(2, [addr1Obj['pubkey'], addr2Obj['pubkey']])['address']
mSigObj = self.nodes[2].addmultisigaddress(2, [addr1Obj['pubkey'], addr2Obj['pubkey']])['address']
mSigObjValid = self.nodes[2].getaddressinfo(mSigObj)
txId = self.nodes[0].sendtoaddress(mSigObj, 2.2)
decTx = self.nodes[0].gettransaction(txId)
rawTx2 = self.nodes[0].decoderawtransaction(decTx['hex'])
self.sync_all()
self.nodes[0].generate(1)
self.sync_all()
assert_equal(self.nodes[2].getbalance(), bal) # the funds of a 2of2 multisig tx should not be marked as spendable
txDetails = self.nodes[0].gettransaction(txId, True)
rawTx2 = self.nodes[0].decoderawtransaction(txDetails['hex'])
vout = False
for outpoint in rawTx2['vout']:
if outpoint['value'] == Decimal('2.20000000'):
vout = outpoint
break
bal = self.nodes[0].getbalance()
inputs = [{ "txid" : txId, "vout" : vout['n'], "scriptPubKey" : vout['scriptPubKey']['hex'], "redeemScript" : mSigObjValid['hex'], "amount" : vout['value']}]
outputs = { self.nodes[0].getnewaddress() : 2.19 }
rawTx2 = self.nodes[2].createrawtransaction(inputs, outputs)
rawTxPartialSigned1 = self.nodes[1].signrawtransactionwithwallet(rawTx2, inputs)
self.log.debug(rawTxPartialSigned1)
assert_equal(rawTxPartialSigned1['complete'], False) #node1 only has one key, can't comp. sign the tx
rawTxPartialSigned2 = self.nodes[2].signrawtransactionwithwallet(rawTx2, inputs)
self.log.debug(rawTxPartialSigned2)
assert_equal(rawTxPartialSigned2['complete'], False) #node2 only has one key, can't comp. sign the tx
rawTxComb = self.nodes[2].combinerawtransaction([rawTxPartialSigned1['hex'], rawTxPartialSigned2['hex']])
self.log.debug(rawTxComb)
self.nodes[2].sendrawtransaction(rawTxComb)
rawTx2 = self.nodes[0].decoderawtransaction(rawTxComb)
self.sync_all()
self.nodes[0].generate(1)
self.sync_all()
assert_equal(self.nodes[0].getbalance(), bal+Decimal('50.00000000')+Decimal('2.19000000')) #block reward + tx
# decoderawtransaction tests
# witness transaction
encrawtx = "010000000001010000000000000072c1a6a246ae63f74f931e8365e15a089c68d61900000000000000000000ffffffff0100e1f50500000000000102616100000000"
decrawtx = self.nodes[0].decoderawtransaction(encrawtx, True) # decode as witness transaction
assert_equal(decrawtx['vout'][0]['value'], Decimal('1.00000000'))
assert_raises_rpc_error(-22, 'TX decode failed', self.nodes[0].decoderawtransaction, encrawtx, False) # force decode as non-witness transaction
# non-witness transaction
encrawtx = "01000000010000000000000072c1a6a246ae63f74f931e8365e15a089c68d61900000000000000000000ffffffff0100e1f505000000000000000000"
decrawtx = self.nodes[0].decoderawtransaction(encrawtx, False) # decode as non-witness transaction
assert_equal(decrawtx['vout'][0]['value'], Decimal('1.00000000'))
# getrawtransaction tests
# 1. valid parameters - only supply txid
txHash = rawTx["hash"]
assert_equal(self.nodes[0].getrawtransaction(txHash), rawTxSigned['hex'])
# 2. valid parameters - supply txid and 0 for non-verbose
assert_equal(self.nodes[0].getrawtransaction(txHash, 0), rawTxSigned['hex'])
# 3. valid parameters - supply txid and False for non-verbose
assert_equal(self.nodes[0].getrawtransaction(txHash, False), rawTxSigned['hex'])
# 4. valid parameters - supply txid and 1 for verbose.
# We only check the "hex" field of the output so we don't need to update this test every time the output format changes.
assert_equal(self.nodes[0].getrawtransaction(txHash, 1)["hex"], rawTxSigned['hex'])
# 5. valid parameters - supply txid and True for non-verbose
assert_equal(self.nodes[0].getrawtransaction(txHash, True)["hex"], rawTxSigned['hex'])
# 6. invalid parameters - supply txid and string "Flase"
assert_raises_rpc_error(-1, "not a boolean", self.nodes[0].getrawtransaction, txHash, "Flase")
# 7. invalid parameters - supply txid and empty array
assert_raises_rpc_error(-1, "not a boolean", self.nodes[0].getrawtransaction, txHash, [])
# 8. invalid parameters - supply txid and empty dict
assert_raises_rpc_error(-1, "not a boolean", self.nodes[0].getrawtransaction, txHash, {})
inputs = [ {'txid' : "1d1d4e24ed99057e84c3f80fd8fbec79ed9e1acee37da269356ecea000000000", 'vout' : 1, 'sequence' : 1000}]
outputs = { self.nodes[0].getnewaddress() : 1 }
rawtx = self.nodes[0].createrawtransaction(inputs, outputs)
decrawtx= self.nodes[0].decoderawtransaction(rawtx)
assert_equal(decrawtx['vin'][0]['sequence'], 1000)
# 9. invalid parameters - sequence number out of range
inputs = [ {'txid' : "1d1d4e24ed99057e84c3f80fd8fbec79ed9e1acee37da269356ecea000000000", 'vout' : 1, 'sequence' : -1}]
outputs = { self.nodes[0].getnewaddress() : 1 }
assert_raises_rpc_error(-8, 'Invalid parameter, sequence number is out of range', self.nodes[0].createrawtransaction, inputs, outputs)
# 10. invalid parameters - sequence number out of range
inputs = [ {'txid' : "1d1d4e24ed99057e84c3f80fd8fbec79ed9e1acee37da269356ecea000000000", 'vout' : 1, 'sequence' : 4294967296}]
outputs = { self.nodes[0].getnewaddress() : 1 }
assert_raises_rpc_error(-8, 'Invalid parameter, sequence number is out of range', self.nodes[0].createrawtransaction, inputs, outputs)
inputs = [ {'txid' : "1d1d4e24ed99057e84c3f80fd8fbec79ed9e1acee37da269356ecea000000000", 'vout' : 1, 'sequence' : 4294967294}]
outputs = { self.nodes[0].getnewaddress() : 1 }
rawtx = self.nodes[0].createrawtransaction(inputs, outputs)
decrawtx= self.nodes[0].decoderawtransaction(rawtx)
assert_equal(decrawtx['vin'][0]['sequence'], 4294967294)
####################################
# TRANSACTION VERSION NUMBER TESTS #
####################################
# Test the minimum transaction version number that fits in a signed 32-bit integer.
tx = CTransaction()
tx.nVersion = -0x80000000
rawtx = ToHex(tx)
decrawtx = self.nodes[0].decoderawtransaction(rawtx)
assert_equal(decrawtx['version'], -0x80000000)
# Test the maximum transaction version number that fits in a signed 32-bit integer.
tx = CTransaction()
tx.nVersion = 0x7fffffff
rawtx = ToHex(tx)
decrawtx = self.nodes[0].decoderawtransaction(rawtx)
assert_equal(decrawtx['version'], 0x7fffffff)
def __init__(self, tx=CTransaction(), n=-1):
self.tx = tx
self.n = n
def create_transaction(node, txid, to_address, amount):
inputs = [{"txid": txid, "vout": 0}]
outputs = {to_address: amount}
rawtx = node.createrawtransaction(inputs, outputs)
tx = FromHex(CTransaction(), rawtx)
return tx
def test_disable_flag(self):
# Create some unconfirmed inputs
new_addr = self.nodes[0].getnewaddress()
self.nodes[0].sendtoaddress(new_addr, 2) # send 2 TPC
utxos = self.nodes[0].listunspent(0, 0)
assert(len(utxos) > 0)
utxo = utxos[0]
tx1 = CTransaction()
value = int(tapyrus_round(utxo["amount"] - self.relayfee)*COIN)
# Check that the disable flag disables relative locktime.
# If sequence locks were used, this would require 1 block for the
# input to mature.
sequence_value = SEQUENCE_LOCKTIME_DISABLE_FLAG | 1
tx1.vin = [CTxIn(COutPoint(int(utxo["txid"], 16), utxo["vout"]), nSequence=sequence_value)]
tx1.vout = [CTxOut(value, CScript([b'a']))]
tx1_signed = self.nodes[0].signrawtransactionwithwallet(ToHex(tx1), [], "ALL", self.options.scheme)["hex"]
tx1_id = self.nodes[0].sendrawtransaction(tx1_signed)
tx1_id = int(tx1_id, 16)
# This transaction will enable sequence-locks, so this transaction should
# fail
tx2 = CTransaction()
tx2.nFeatures = 2
sequence_value = sequence_value & 0x7fffffff
tx2.vin = [CTxIn(COutPoint(tx1_id, 0), nSequence=sequence_value)]
tx2.vout = [CTxOut(int(value - self.relayfee * COIN), CScript([b'a' * 35]))]
tx2.rehash()
assert_raises_rpc_error(-26, NOT_FINAL_ERROR, self.nodes[0].sendrawtransaction, ToHex(tx2))
# Setting the version back down to 1 should disable the sequence lock,
# so this should be accepted.
tx2.nFeatures = 1
self.nodes[0].sendrawtransaction(ToHex(tx2))
def test_too_many_replacements(self):
"""Replacements that evict too many transactions are rejected"""
# Try directly replacing more than MAX_REPLACEMENT_LIMIT
# transactions
# Start by creating a single transaction with many outputs
initial_nValue = 10 * COIN
utxo = make_utxo(self.nodes[0], initial_nValue)
fee = int(0.0001 * COIN)
split_value = int((initial_nValue - fee) / (MAX_REPLACEMENT_LIMIT + 1))
outputs = []
for i in range(MAX_REPLACEMENT_LIMIT + 1):
outputs.append(CTxOut(split_value, CScript([1])))
splitting_tx = CTransaction()
splitting_tx.vin = [CTxIn(utxo, nSequence=0)]
splitting_tx.vout = outputs
splitting_tx_hex = txToHex(splitting_tx)
txid = self.nodes[0].sendrawtransaction(splitting_tx_hex, True)
txid = int(txid, 16)
# Now spend each of those outputs individually
for i in range(MAX_REPLACEMENT_LIMIT + 1):
tx_i = CTransaction()
tx_i.vin = [CTxIn(COutPoint(txid, i), nSequence=0)]
tx_i.vout = [CTxOut(split_value - fee, CScript([b'a' * 35]))]
tx_i_hex = txToHex(tx_i)
self.nodes[0].sendrawtransaction(tx_i_hex, True)
# Now create doublespend of the whole lot; should fail.
# Need a big enough fee to cover all spending transactions and have
# a higher fee rate
double_spend_value = (split_value -
100 * fee) * (MAX_REPLACEMENT_LIMIT + 1)
inputs = []
for i in range(MAX_REPLACEMENT_LIMIT + 1):
inputs.append(CTxIn(COutPoint(txid, i), nSequence=0))
double_tx = CTransaction()
double_tx.vin = inputs
double_tx.vout = [CTxOut(double_spend_value, CScript([b'a']))]
double_tx_hex = txToHex(double_tx)
# This will raise an exception
assert_raises_rpc_error(-26, "too many potential replacements",
self.nodes[0].sendrawtransaction,
double_tx_hex, True)
# If we remove an input, it should pass
double_tx = CTransaction()
double_tx.vin = inputs[0:-1]
double_tx.vout = [CTxOut(double_spend_value, CScript([b'a']))]
double_tx_hex = txToHex(double_tx)
self.nodes[0].sendrawtransaction(double_tx_hex, True)
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 = FromHex(CTransaction(), self.nodes[0].getrawtransaction(txid))
tx1.rehash()
# Make an anyone-can-spend transaction
tx2 = CTransaction()
tx2.nFeatures = 1
tx2.vin = [CTxIn(COutPoint(tx1.malfixsha256, 0), nSequence=0)]
tx2.vout = [CTxOut(int(tx1.vout[0].nValue - self.relayfee*COIN), CScript([b'a']))]
# sign tx2
tx2_raw = self.nodes[0].signrawtransactionwithwallet(ToHex(tx2), [], "ALL", self.options.scheme)["hex"]
tx2 = FromHex(tx2, tx2_raw)
tx2.rehash()
self.nodes[0].sendrawtransaction(ToHex(tx2))
# Now make an invalid spend of tx2 according to BIP68
sequence_value = 100 # 100 block relative locktime
tx3 = CTransaction()
tx3.nFeatures = 2
tx3.vin = [CTxIn(COutPoint(tx2.malfixsha256, 0), nSequence=sequence_value)]
tx3.vout = [CTxOut(int(tx2.vout[0].nValue - self.relayfee * COIN), CScript([b'a' * 35]))]
tx3.rehash()
assert_raises_rpc_error(-26, NOT_FINAL_ERROR, self.nodes[0].sendrawtransaction, ToHex(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), None)
block.vtx.extend([tx1, tx2, tx3])
block.hashMerkleRoot = block.calc_merkle_root()
block.hashMerkleRoot = block.calc_immutable_merkle_root()
block.rehash()
add_witness_commitment(block)
block.solve(self.signblockprivkey)
self.nodes[0].submitblock(bytes_to_hex_str(block.serialize(True)))
assert_equal(self.nodes[0].getbestblockhash(), block.hash)
def test_spends_of_conflicting_outputs(self):
"""Replacements that spend conflicting tx outputs are rejected"""
utxo1 = make_utxo(self.nodes[0], int(1.2 * COIN))
utxo2 = make_utxo(self.nodes[0], 3 * COIN)
tx1a = CTransaction()
tx1a.vin = [CTxIn(utxo1, nSequence=0)]
tx1a.vout = [CTxOut(int(1.1 * COIN), CScript([b'a' * 35]))]
tx1a_hex = txToHex(tx1a)
tx1a_txid = self.nodes[0].sendrawtransaction(tx1a_hex, True)
tx1a_txid = int(tx1a_txid, 16)
# Direct spend an output of the transaction we're replacing.
tx2 = CTransaction()
tx2.vin = [CTxIn(utxo1, nSequence=0), CTxIn(utxo2, nSequence=0)]
tx2.vin.append(CTxIn(COutPoint(tx1a_txid, 0), nSequence=0))
tx2.vout = tx1a.vout
tx2_hex = txToHex(tx2)
# This will raise an exception
assert_raises_rpc_error(-26, "bad-txns-spends-conflicting-tx",
self.nodes[0].sendrawtransaction, tx2_hex,
True)
# Spend tx1a's output to test the indirect case.
tx1b = CTransaction()
tx1b.vin = [CTxIn(COutPoint(tx1a_txid, 0), nSequence=0)]
tx1b.vout = [CTxOut(1 * COIN, CScript([b'a' * 35]))]
tx1b_hex = txToHex(tx1b)
tx1b_txid = self.nodes[0].sendrawtransaction(tx1b_hex, True)
tx1b_txid = int(tx1b_txid, 16)
tx2 = CTransaction()
tx2.vin = [
CTxIn(utxo1, nSequence=0),
CTxIn(utxo2, nSequence=0),
CTxIn(COutPoint(tx1b_txid, 0))
]
tx2.vout = tx1a.vout
tx2_hex = txToHex(tx2)
# This will raise an exception
assert_raises_rpc_error(-26, "bad-txns-spends-conflicting-tx",
self.nodes[0].sendrawtransaction, tx2_hex,
True)
def decoderawtransaction_asm_sighashtype(self):
"""Test decoding scripts via RPC command "decoderawtransaction".
This test is in with the "decodescript" tests because they are testing the same "asm" script decodes.
"""
# this test case uses a random plain vanilla mainnet transaction with a single P2PKH input and output
tx = '0100000001696a20784a2c70143f634e95227dbdfdf0ecd51647052e70854512235f5986ca010000008a47304402207174775824bec6c2700023309a168231ec80b82c6069282f5133e6f11cbb04460220570edc55c7c5da2ca687ebd0372d3546ebc3f810516a002350cac72dfe192dfb014104d3f898e6487787910a690410b7a917ef198905c27fb9d3b0a42da12aceae0544fc7088d239d9a48f2828a15a09e84043001f27cc80d162cb95404e1210161536ffffffff0100e1f505000000001976a914eb6c6e0cdb2d256a32d97b8df1fc75d1920d9bca88ac00000000'
rpc_result = self.nodes[0].decoderawtransaction(tx)
assert_equal(
'304402207174775824bec6c2700023309a168231ec80b82c6069282f5133e6f11cbb04460220570edc55c7c5da2ca687ebd0372d3546ebc3f810516a002350cac72dfe192dfb[ALL] 04d3f898e6487787910a690410b7a917ef198905c27fb9d3b0a42da12aceae0544fc7088d239d9a48f2828a15a09e84043001f27cc80d162cb95404e1210161536',
rpc_result['vin'][0]['scriptSig']['asm'])
# this test case uses a mainnet transaction that has a P2SH input and both P2PKH and P2SH outputs.
# it's from James D'Angelo's awesome introductory videos about multisig: https://www.youtube.com/watch?v=zIbUSaZBJgU and https://www.youtube.com/watch?v=OSA1pwlaypc
# verify that we have not altered scriptPubKey decoding.
tx = '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'
rpc_result = self.nodes[0].decoderawtransaction(tx)
assert_equal(
'8e3730608c3b0bb5df54f09076e196bc292a8e39a78e73b44b6ba08c78f5cbb0',
rpc_result['txid'])
assert_equal(
'0 3045022100ae3b4e589dfc9d48cb82d41008dc5fa6a86f94d5c54f9935531924602730ab8002202f88cf464414c4ed9fa11b773c5ee944f66e9b05cc1e51d97abc22ce098937ea[ALL] 3045022100b44883be035600e9328a01b66c7d8439b74db64187e76b99a68f7893b701d5380220225bf286493e4c4adcf928c40f785422572eb232f84a0b83b0dea823c3a19c75[ALL] 5221020743d44be989540d27b1b4bbbcfd17721c337cb6bc9af20eb8a32520b393532f2102c0120a1dda9e51a938d39ddd9fe0ebc45ea97e1d27a7cbd671d5431416d3dd87210213820eb3d5f509d7438c9eeecb4157b2f595105e7cd564b3cdbb9ead3da41eed53ae',
rpc_result['vin'][0]['scriptSig']['asm'])
assert_equal(
'OP_DUP OP_HASH160 dc863734a218bfe83ef770ee9d41a27f824a6e56 OP_EQUALVERIFY OP_CHECKSIG',
rpc_result['vout'][0]['scriptPubKey']['asm'])
assert_equal(
'OP_HASH160 2a5edea39971049a540474c6a99edf0aa4074c58 OP_EQUAL',
rpc_result['vout'][1]['scriptPubKey']['asm'])
txSave = CTransaction()
txSave.deserialize(BytesIO(hex_str_to_bytes(tx)))
# make sure that a specifically crafted op_return value will not pass all the IsDERSignature checks and then get decoded as a sighash type
tx = '01000000015ded05872fdbda629c7d3d02b194763ce3b9b1535ea884e3c8e765d42e316724020000006b48304502204c10d4064885c42638cbff3585915b322de33762598321145ba033fc796971e2022100bb153ad3baa8b757e30a2175bd32852d2e1cb9080f84d7e32fcdfd667934ef1b012103163c0ff73511ea1743fb5b98384a2ff09dd06949488028fd819f4d83f56264efffffffff0200000000000000000b6a0930060201000201000180380100000000001976a9141cabd296e753837c086da7a45a6c2fe0d49d7b7b88ac00000000'
rpc_result = self.nodes[0].decoderawtransaction(tx)
assert_equal('OP_RETURN 300602010002010001',
rpc_result['vout'][0]['scriptPubKey']['asm'])
# verify that we have not altered scriptPubKey processing even of a specially crafted P2PKH pubkeyhash and P2SH redeem script hash that is made to pass the der signature checks
tx = '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'
rpc_result = self.nodes[0].decoderawtransaction(tx)
assert_equal(
'OP_DUP OP_HASH160 3011020701010101010101020601010101010101 OP_EQUALVERIFY OP_CHECKSIG',
rpc_result['vout'][0]['scriptPubKey']['asm'])
assert_equal(
'OP_HASH160 3011020701010101010101020601010101010101 OP_EQUAL',
rpc_result['vout'][1]['scriptPubKey']['asm'])
# some more full transaction tests of varying specific scriptSigs. used instead of
# tests in decodescript_script_sig because the decodescript RPC is specifically
# for working on scriptPubKeys (argh!).
push_signature = txSave.vin[0].scriptSig.hex()[2:(0x48 * 2 + 4)]
signature = push_signature[2:]
der_signature = signature[:-2]
signature_sighash_decoded = der_signature + '[ALL]'
signature_2 = der_signature + '82'
push_signature_2 = '48' + signature_2
signature_2_sighash_decoded = der_signature + '[NONE|ANYONECANPAY]'
# 1) P2PK scriptSig
txSave.vin[0].scriptSig = hex_str_to_bytes(push_signature)
rpc_result = self.nodes[0].decoderawtransaction(
txSave.serialize().hex())
assert_equal(signature_sighash_decoded,
rpc_result['vin'][0]['scriptSig']['asm'])
# make sure that the sighash decodes come out correctly for a more complex / lesser used case.
txSave.vin[0].scriptSig = hex_str_to_bytes(push_signature_2)
rpc_result = self.nodes[0].decoderawtransaction(
txSave.serialize().hex())
assert_equal(signature_2_sighash_decoded,
rpc_result['vin'][0]['scriptSig']['asm'])
# 2) multisig scriptSig
txSave.vin[0].scriptSig = hex_str_to_bytes('00' + push_signature +
push_signature_2)
rpc_result = self.nodes[0].decoderawtransaction(
txSave.serialize().hex())
assert_equal(
'0 ' + signature_sighash_decoded + ' ' +
signature_2_sighash_decoded,
rpc_result['vin'][0]['scriptSig']['asm'])
# 3) test a scriptSig that contains more than push operations.
# in fact, it contains an OP_RETURN with data specially crafted to cause improper decode if the code does not catch it.
txSave.vin[0].scriptSig = hex_str_to_bytes(
'6a143011020701010101010101020601010101010101')
rpc_result = self.nodes[0].decoderawtransaction(
txSave.serialize().hex())
assert_equal('OP_RETURN 3011020701010101010101020601010101010101',
rpc_result['vin'][0]['scriptSig']['asm'])
def __init__(self, tx=CTransaction(), n=-1):
self.tx = tx
# the output we're spending
self.n = n
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 = FromHex(CTransaction(), self.nodes[0].getrawtransaction(txid))
tx1.rehash()
# Anyone-can-spend mempool tx.
# Sequence lock of 0 should pass.
tx2 = CTransaction()
tx2.nFeatures = 2
tx2.vin = [CTxIn(COutPoint(tx1.malfixsha256, 0), nSequence=0)]
tx2.vout = [CTxOut(int(tx1.vout[0].nValue - self.relayfee*COIN), CScript([b'a']))]
tx2_raw = self.nodes[0].signrawtransactionwithwallet(ToHex(tx2), [], "ALL", self.options.scheme)["hex"]
tx2 = FromHex(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.nFeatures = 2
tx.vin = [CTxIn(COutPoint(orig_tx.malfixsha256, 0), nSequence=sequence_value)]
tx.vout = [CTxOut(int(orig_tx.vout[0].nValue - relayfee * COIN), CScript([b'a' * 35]))]
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, ToHex(tx))
else:
# sendrawtransaction should succeed if the tx is not in the mempool
node.sendrawtransaction(ToHex(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 i in range(10):
self.nodes[0].setmocktime(cur_time + 600)
self.nodes[0].generate(1, self.signblockprivkey)
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, self.signblockprivkey)
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, self.signblockprivkey)
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"]), nSequence=1))
tx5.vout[0].nValue += int(utxos[0]["amount"]*COIN)
raw_tx5 = self.nodes[0].signrawtransactionwithwallet(ToHex(tx5), [], "ALL", self.options.scheme)["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 i in range(2):
block = create_block(tip, create_coinbase(height), cur_time)
block.rehash()
block.solve(self.signblockprivkey)
tip = block.sha256
height += 1
self.nodes[0].submitblock(ToHex(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, self.signblockprivkey)
def test_prioritised_transactions(self):
# Ensure that fee deltas used via prioritisetransaction are
# correctly used by replacement logic
# 1. Check that feeperkb uses modified fees
tx0_outpoint = make_utxo(self.nodes[0], int(1.1 * COIN))
tx1a = CTransaction()
tx1a.vin = [CTxIn(tx0_outpoint, nSequence=0)]
tx1a.vout = [CTxOut(1 * COIN, CScript([b'a' * 35]))]
tx1a_hex = txToHex(tx1a)
tx1a_txid = self.nodes[0].sendrawtransaction(tx1a_hex, True)
# Higher fee, but the actual fee per KB is much lower.
tx1b = CTransaction()
tx1b.vin = [CTxIn(tx0_outpoint, nSequence=0)]
tx1b.vout = [CTxOut(int(0.001 * COIN), CScript([b'a' * 740000]))]
tx1b_hex = txToHex(tx1b)
# Verify tx1b cannot replace tx1a.
assert_raises_rpc_error(-26, "insufficient fee",
self.nodes[0].sendrawtransaction, tx1b_hex,
True)
# Use prioritisetransaction to set tx1a's fee to 0.
self.nodes[0].prioritisetransaction(txid=tx1a_txid,
fee_delta=int(-0.1 * COIN))
# Now tx1b should be able to replace tx1a
tx1b_txid = self.nodes[0].sendrawtransaction(tx1b_hex, True)
assert (tx1b_txid in self.nodes[0].getrawmempool())
# 2. Check that absolute fee checks use modified fee.
tx1_outpoint = make_utxo(self.nodes[0], int(1.1 * COIN))
tx2a = CTransaction()
tx2a.vin = [CTxIn(tx1_outpoint, nSequence=0)]
tx2a.vout = [CTxOut(1 * COIN, CScript([b'a' * 35]))]
tx2a_hex = txToHex(tx2a)
self.nodes[0].sendrawtransaction(tx2a_hex, True)
# Lower fee, but we'll prioritise it
tx2b = CTransaction()
tx2b.vin = [CTxIn(tx1_outpoint, nSequence=0)]
tx2b.vout = [CTxOut(int(1.01 * COIN), CScript([b'a' * 35]))]
tx2b.rehash()
tx2b_hex = txToHex(tx2b)
# Verify tx2b cannot replace tx2a.
assert_raises_rpc_error(-26, "insufficient fee",
self.nodes[0].sendrawtransaction, tx2b_hex,
True)
# Now prioritise tx2b to have a higher modified fee
self.nodes[0].prioritisetransaction(txid=tx2b.hash,
fee_delta=int(0.1 * COIN))
# tx2b should now be accepted
tx2b_txid = self.nodes[0].sendrawtransaction(tx2b_hex, True)
assert (tx2b_txid in self.nodes[0].getrawmempool())
def test_sequence_lock_confirmed_inputs(self):
# Create lots of confirmed utxos, and use them to generate lots of random
# transactions.
max_outputs = 50
addresses = []
while len(addresses) < max_outputs:
addresses.append(self.nodes[0].getnewaddress())
while len(self.nodes[0].listunspent()) < 200:
import random
random.shuffle(addresses)
num_outputs = random.randint(1, max_outputs)
outputs = {}
for i in range(num_outputs):
outputs[addresses[i]] = random.randint(1, 20)*0.01
self.nodes[0].sendmany("", outputs)
self.nodes[0].generate(1, self.signblockprivkey)
utxos = self.nodes[0].listunspent()
# Try creating a lot of random transactions.
# Each time, choose a random number of inputs, and randomly set
# some of those inputs to be sequence locked (and randomly choose
# between height/time locking). Small random chance of making the locks
# all pass.
for i in range(400):
# Randomly choose up to 10 inputs
num_inputs = random.randint(1, 10)
random.shuffle(utxos)
# Track whether any sequence locks used should fail
should_pass = True
# Track whether this transaction was built with sequence locks
using_sequence_locks = False
tx = CTransaction()
tx.nFeatures = 2
value = 0
for j in range(num_inputs):
sequence_value = 0xfffffffe # this disables sequence locks
# 50% chance we enable sequence locks
if random.randint(0,1):
using_sequence_locks = True
# 10% of the time, make the input sequence value pass
input_will_pass = (random.randint(1,10) == 1)
sequence_value = utxos[j]["confirmations"]
if not input_will_pass:
sequence_value += 1
should_pass = False
# Figure out what the median-time-past was for the confirmed input
# Note that if an input has N confirmations, we're going back N blocks
# from the tip so that we're looking up MTP of the block
# PRIOR to the one the input appears in, as per the BIP68 spec.
orig_time = self.get_median_time_past(utxos[j]["confirmations"])
cur_time = self.get_median_time_past(0) # MTP of the tip
# can only timelock this input if it's not too old -- otherwise use height
can_time_lock = True
if ((cur_time - orig_time) >> SEQUENCE_LOCKTIME_GRANULARITY) >= SEQUENCE_LOCKTIME_MASK:
can_time_lock = False
# if time-lockable, then 50% chance we make this a time lock
if random.randint(0,1) and can_time_lock:
# Find first time-lock value that fails, or latest one that succeeds
time_delta = sequence_value << SEQUENCE_LOCKTIME_GRANULARITY
if input_will_pass and time_delta > cur_time - orig_time:
sequence_value = ((cur_time - orig_time) >> SEQUENCE_LOCKTIME_GRANULARITY)
elif (not input_will_pass and time_delta <= cur_time - orig_time):
sequence_value = ((cur_time - orig_time) >> SEQUENCE_LOCKTIME_GRANULARITY)+1
sequence_value |= SEQUENCE_LOCKTIME_TYPE_FLAG
tx.vin.append(CTxIn(COutPoint(int(utxos[j]["txid"], 16), utxos[j]["vout"]), nSequence=sequence_value))
value += utxos[j]["amount"]*COIN
# Overestimate the size of the tx - signatures should be less than 120 bytes, and leave 50 for the output
tx_size = len(ToHex(tx))//2 + 120*num_inputs + 50
tx.vout.append(CTxOut(int(value-self.relayfee*tx_size*COIN/1000), CScript([b'a'])))
rawtx = self.nodes[0].signrawtransactionwithwallet(ToHex(tx), [], "ALL", self.options.scheme)["hex"]
if (using_sequence_locks and not should_pass):
# This transaction should be rejected
assert_raises_rpc_error(-26, NOT_FINAL_ERROR, self.nodes[0].sendrawtransaction, rawtx)
else:
# This raw transaction should be accepted
self.nodes[0].sendrawtransaction(rawtx)
utxos = self.nodes[0].listunspent()
def test_opt_in(self):
"""Replacing should only work if orig tx opted in"""
tx0_outpoint = make_utxo(self.nodes[0], int(1.1 * COIN))
# Create a non-opting in transaction
tx1a = CTransaction()
tx1a.vin = [CTxIn(tx0_outpoint, nSequence=0xffffffff)]
tx1a.vout = [CTxOut(1 * COIN, CScript([b'a' * 35]))]
tx1a_hex = txToHex(tx1a)
tx1a_txid = self.nodes[0].sendrawtransaction(tx1a_hex, True)
# This transaction isn't shown as replaceable
assert_equal(
self.nodes[0].getmempoolentry(tx1a_txid)['bip125-replaceable'],
False)
# Shouldn't be able to double-spend
tx1b = CTransaction()
tx1b.vin = [CTxIn(tx0_outpoint, nSequence=0)]
tx1b.vout = [CTxOut(int(0.9 * COIN), CScript([b'b' * 35]))]
tx1b_hex = txToHex(tx1b)
# This will raise an exception
assert_raises_rpc_error(-26, "txn-mempool-conflict",
self.nodes[0].sendrawtransaction, tx1b_hex,
True)
tx1_outpoint = make_utxo(self.nodes[0], int(1.1 * COIN))
# Create a different non-opting in transaction
tx2a = CTransaction()
tx2a.vin = [CTxIn(tx1_outpoint, nSequence=0xfffffffe)]
tx2a.vout = [CTxOut(1 * COIN, CScript([b'a' * 35]))]
tx2a_hex = txToHex(tx2a)
tx2a_txid = self.nodes[0].sendrawtransaction(tx2a_hex, True)
# Still shouldn't be able to double-spend
tx2b = CTransaction()
tx2b.vin = [CTxIn(tx1_outpoint, nSequence=0)]
tx2b.vout = [CTxOut(int(0.9 * COIN), CScript([b'b' * 35]))]
tx2b_hex = txToHex(tx2b)
# This will raise an exception
assert_raises_rpc_error(-26, "txn-mempool-conflict",
self.nodes[0].sendrawtransaction, tx2b_hex,
True)
# Now create a new transaction that spends from tx1a and tx2a
# opt-in on one of the inputs
# Transaction should be replaceable on either input
tx1a_txid = int(tx1a_txid, 16)
tx2a_txid = int(tx2a_txid, 16)
tx3a = CTransaction()
tx3a.vin = [
CTxIn(COutPoint(tx1a_txid, 0), nSequence=0xffffffff),
CTxIn(COutPoint(tx2a_txid, 0), nSequence=0xfffffffd)
]
tx3a.vout = [
CTxOut(int(0.9 * COIN), CScript([b'c'])),
CTxOut(int(0.9 * COIN), CScript([b'd']))
]
tx3a_hex = txToHex(tx3a)
tx3a_txid = self.nodes[0].sendrawtransaction(tx3a_hex, True)
# This transaction is shown as replaceable
assert_equal(
self.nodes[0].getmempoolentry(tx3a_txid)['bip125-replaceable'],
True)
tx3b = CTransaction()
tx3b.vin = [CTxIn(COutPoint(tx1a_txid, 0), nSequence=0)]
tx3b.vout = [CTxOut(int(0.5 * COIN), CScript([b'e' * 35]))]
tx3b_hex = txToHex(tx3b)
tx3c = CTransaction()
tx3c.vin = [CTxIn(COutPoint(tx2a_txid, 0), nSequence=0)]
tx3c.vout = [CTxOut(int(0.5 * COIN), CScript([b'f' * 35]))]
tx3c_hex = txToHex(tx3c)
self.nodes[0].sendrawtransaction(tx3b_hex, True)
# If tx3b was accepted, tx3c won't look like a replacement,
# but make sure it is accepted anyway
self.nodes[0].sendrawtransaction(tx3c_hex, True)
def test_compactblock_construction(self,
test_node,
use_witness_address=True):
version = test_node.cmpct_version
node = self.nodes[0]
# Generate a bunch of transactions.
node.generate(101)
num_transactions = 25
address = node.getnewaddress()
segwit_tx_generated = False
for i in range(num_transactions):
txid = node.sendtoaddress(address, 0.1)
hex_tx = node.gettransaction(txid)["hex"]
tx = FromHex(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)
# 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 = FromHex(CBlock(), node.getblock("%064x" % block_hash, False))
for tx in block.vtx:
tx.calc_sha256()
block.rehash()
# Wait until the block was announced (via compact blocks)
wait_until(test_node.received_block_announcement,
timeout=30,
lock=mininode_lock)
# Now fetch and check the compact block
header_and_shortids = None
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(msg_getdata([inv]))
wait_until(test_node.received_block_announcement,
timeout=30,
lock=mininode_lock)
# Now fetch and check the compact block
header_and_shortids = None
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 sign_transaction(node, unsignedtx):
rawtx = ToHex(unsignedtx)
signresult = node.signrawtransactionwithwallet(rawtx)
tx = FromHex(CTransaction(), signresult['hex'])
return tx