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Differential D2008 Diff 6536 test/functional/bip68-sequence.py

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test/functional/bip68-sequence.py

Show First 20 Lines • Show All 77 Lines • ▼ Show 20 Lines def test_disable_flag(self):
# If sequence locks were used, this would require 1 block for the # If sequence locks were used, this would require 1 block for the
# input to mature. # input to mature.
sequence_value = SEQUENCE_LOCKTIME_DISABLE_FLAG | 1 sequence_value = SEQUENCE_LOCKTIME_DISABLE_FLAG | 1
tx1.vin = [ tx1.vin = [
CTxIn(COutPoint(int(utxo["txid"], 16), utxo["vout"]), nSequence=sequence_value)] CTxIn(COutPoint(int(utxo["txid"], 16), utxo["vout"]), nSequence=sequence_value)]
tx1.vout = [CTxOut(value, CScript([b'a']))] tx1.vout = [CTxOut(value, CScript([b'a']))]
pad_tx(tx1) pad_tx(tx1)
tx1_signed = self.nodes[0].signrawtransaction(ToHex(tx1))["hex"] tx1_signed = self.nodes[0].signrawtransactionwithwallet(ToHex(tx1))[
"hex"]
tx1_id = self.nodes[0].sendrawtransaction(tx1_signed) tx1_id = self.nodes[0].sendrawtransaction(tx1_signed)
tx1_id = int(tx1_id, 16) tx1_id = int(tx1_id, 16)
# This transaction will enable sequence-locks, so this transaction should # This transaction will enable sequence-locks, so this transaction should
# fail # fail
tx2 = CTransaction() tx2 = CTransaction()
tx2.nVersion = 2 tx2.nVersion = 2
sequence_value = sequence_value & 0x7fffffff sequence_value = sequence_value & 0x7fffffff
▲ Show 20 Lines • Show All 103 Lines • ▼ Show 20 Lines def test_sequence_lock_confirmed_inputs(self):
tx.vin.append( tx.vin.append(
CTxIn(COutPoint(int(utxos[j]["txid"], 16), utxos[j]["vout"]), nSequence=sequence_value)) CTxIn(COutPoint(int(utxos[j]["txid"], 16), utxos[j]["vout"]), nSequence=sequence_value))
value += utxos[j]["amount"] * COIN value += utxos[j]["amount"] * COIN
# Overestimate the size of the tx - signatures should be less than # Overestimate the size of the tx - signatures should be less than
# 120 bytes, and leave 50 for the output # 120 bytes, and leave 50 for the output
tx_size = len(ToHex(tx)) // 2 + 120 * num_inputs + 50 tx_size = len(ToHex(tx)) // 2 + 120 * num_inputs + 50
tx.vout.append( tx.vout.append(
CTxOut(int(value - self.relayfee * tx_size * COIN / 1000), CScript([b'a']))) CTxOut(int(value - self.relayfee * tx_size * COIN / 1000), CScript([b'a'])))
rawtx = self.nodes[0].signrawtransaction(ToHex(tx))["hex"] rawtx = self.nodes[0].signrawtransactionwithwallet(ToHex(tx))[
"hex"]
if (using_sequence_locks and not should_pass): if (using_sequence_locks and not should_pass):
# This transaction should be rejected # This transaction should be rejected
assert_raises_rpc_error(-26, NOT_FINAL_ERROR, assert_raises_rpc_error(-26, NOT_FINAL_ERROR,
self.nodes[0].sendrawtransaction, rawtx) self.nodes[0].sendrawtransaction, rawtx)
else: else:
# This raw transaction should be accepted # This raw transaction should be accepted
self.nodes[0].sendrawtransaction(rawtx) self.nodes[0].sendrawtransaction(rawtx)
Show All 23 Lines def test_sequence_lock_unconfirmed_inputs(self):
# Sequence lock of 0 should pass. # Sequence lock of 0 should pass.
tx2 = CTransaction() tx2 = CTransaction()
tx2.nVersion = 2 tx2.nVersion = 2
tx2.vin = [CTxIn(COutPoint(tx1.sha256, 0), nSequence=0)] tx2.vin = [CTxIn(COutPoint(tx1.sha256, 0), nSequence=0)]
tx2.vout = [ tx2.vout = [
CTxOut(int(0), CScript([b'a']))] CTxOut(int(0), CScript([b'a']))]
tx2.vout[0].nValue = tx1.vout[0].nValue - \ tx2.vout[0].nValue = tx1.vout[0].nValue - \
fee_multiplier * self.nodes[0].calculate_fee(tx2) fee_multiplier * self.nodes[0].calculate_fee(tx2)
tx2_raw = self.nodes[0].signrawtransaction(ToHex(tx2))["hex"] tx2_raw = self.nodes[0].signrawtransactionwithwallet(ToHex(tx2))["hex"]
tx2 = FromHex(tx2, tx2_raw) tx2 = FromHex(tx2, tx2_raw)
tx2.rehash() tx2.rehash()
self.nodes[0].sendrawtransaction(tx2_raw) self.nodes[0].sendrawtransaction(tx2_raw)
# Create a spend of the 0th output of orig_tx with a sequence lock # Create a spend of the 0th output of orig_tx with a sequence lock
# of 1, and test what happens when submitting. # of 1, and test what happens when submitting.
# orig_tx.vout[0] must be an anyone-can-spend output # orig_tx.vout[0] must be an anyone-can-spend output
def test_nonzero_locks(orig_tx, node, use_height_lock): def test_nonzero_locks(orig_tx, node, use_height_lock):
▲ Show 20 Lines • Show All 69 Lines • ▼ Show 20 Lines def test_sequence_lock_unconfirmed_inputs(self):
tx5 = test_nonzero_locks( tx5 = test_nonzero_locks(
tx4, self.nodes[0], use_height_lock=True) tx4, self.nodes[0], use_height_lock=True)
assert(tx5.hash not in self.nodes[0].getrawmempool()) assert(tx5.hash not in self.nodes[0].getrawmempool())
utxos = self.nodes[0].listunspent() utxos = self.nodes[0].listunspent()
tx5.vin.append( tx5.vin.append(
CTxIn(COutPoint(int(utxos[0]["txid"], 16), utxos[0]["vout"]), nSequence=1)) CTxIn(COutPoint(int(utxos[0]["txid"], 16), utxos[0]["vout"]), nSequence=1))
tx5.vout[0].nValue += int(utxos[0]["amount"] * COIN) tx5.vout[0].nValue += int(utxos[0]["amount"] * COIN)
raw_tx5 = self.nodes[0].signrawtransaction(ToHex(tx5))["hex"] raw_tx5 = self.nodes[0].signrawtransactionwithwallet(ToHex(tx5))["hex"]
assert_raises_rpc_error(-26, NOT_FINAL_ERROR, assert_raises_rpc_error(-26, NOT_FINAL_ERROR,
self.nodes[0].sendrawtransaction, raw_tx5) self.nodes[0].sendrawtransaction, raw_tx5)
# Test mempool-BIP68 consistency after reorg # Test mempool-BIP68 consistency after reorg
# #
# State of the transactions in the last blocks: # State of the transactions in the last blocks:
# ... -> [ tx2 ] -> [ tx3 ] # ... -> [ tx2 ] -> [ tx3 ]
▲ Show 20 Lines • Show All 54 Lines • ▼ Show 20 Lines def test_bip68_not_consensus(self):
# Make an anyone-can-spend transaction # Make an anyone-can-spend transaction
tx2 = CTransaction() tx2 = CTransaction()
tx2.nVersion = 1 tx2.nVersion = 1
tx2.vin = [CTxIn(COutPoint(tx1.sha256, 0), nSequence=0)] tx2.vin = [CTxIn(COutPoint(tx1.sha256, 0), nSequence=0)]
tx2.vout = [ tx2.vout = [
CTxOut(int(tx1.vout[0].nValue - self.relayfee * COIN), CScript([b'a']))] CTxOut(int(tx1.vout[0].nValue - self.relayfee * COIN), CScript([b'a']))]
# sign tx2 # sign tx2
tx2_raw = self.nodes[0].signrawtransaction(ToHex(tx2))["hex"] tx2_raw = self.nodes[0].signrawtransactionwithwallet(ToHex(tx2))["hex"]
tx2 = FromHex(tx2, tx2_raw) tx2 = FromHex(tx2, tx2_raw)
pad_tx(tx2) pad_tx(tx2)
tx2.rehash() tx2.rehash()
self.nodes[0].sendrawtransaction(ToHex(tx2)) self.nodes[0].sendrawtransaction(ToHex(tx2))
# Now make an invalid spend of tx2 according to BIP68 # Now make an invalid spend of tx2 according to BIP68
sequence_value = 100 # 100 block relative locktime sequence_value = 100 # 100 block relative locktime
▲ Show 20 Lines • Show All 42 Lines • ▼ Show 20 Linesclass BIP68Test(BitcoinTestFramework):
# Use self.nodes[1] to test standardness relay policy # Use self.nodes[1] to test standardness relay policy
def test_version2_relay(self, before_activation): def test_version2_relay(self, before_activation):
inputs = [] inputs = []
outputs = {self.nodes[1].getnewaddress(): 1.0} outputs = {self.nodes[1].getnewaddress(): 1.0}
rawtx = self.nodes[1].createrawtransaction(inputs, outputs) rawtx = self.nodes[1].createrawtransaction(inputs, outputs)
rawtxfund = self.nodes[1].fundrawtransaction(rawtx)['hex'] rawtxfund = self.nodes[1].fundrawtransaction(rawtx)['hex']
tx = FromHex(CTransaction(), rawtxfund) tx = FromHex(CTransaction(), rawtxfund)
tx.nVersion = 2 tx.nVersion = 2
tx_signed = self.nodes[1].signrawtransaction(ToHex(tx))["hex"] tx_signed = self.nodes[1].signrawtransactionwithwallet(ToHex(tx))[
"hex"]
try: try:
self.nodes[1].sendrawtransaction(tx_signed) self.nodes[1].sendrawtransaction(tx_signed)
assert(before_activation == False) assert(before_activation == False)
except: except:
assert(before_activation) assert(before_activation)
if __name__ == '__main__': if __name__ == '__main__':
BIP68Test().main() BIP68Test().main()