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-rwxr-xr-xtest/functional/feature_csv_activation.py35
1 files changed, 25 insertions, 10 deletions
diff --git a/test/functional/feature_csv_activation.py b/test/functional/feature_csv_activation.py
index 2d10e85af5..5f3da43865 100755
--- a/test/functional/feature_csv_activation.py
+++ b/test/functional/feature_csv_activation.py
@@ -35,6 +35,7 @@ bip112txs_vary_nSequence_9 - 16 txs with nSequence relative_locktimes of 9 evalu
bip112txs_vary_OP_CSV - 16 txs with nSequence = 10 evaluated against varying {relative_locktimes of 10} OP_CSV OP_DROP
bip112txs_vary_OP_CSV_9 - 16 txs with nSequence = 9 evaluated against varying {relative_locktimes of 10} OP_CSV OP_DROP
bip112tx_special - test negative argument to OP_CSV
+bip112tx_emptystack - test empty stack (= no argument) OP_CSV
"""
from decimal import Decimal
from itertools import product
@@ -95,6 +96,13 @@ def create_bip112special(node, input, txversion, address):
signtx.vin[0].scriptSig = CScript([-1, OP_CHECKSEQUENCEVERIFY, OP_DROP] + list(CScript(signtx.vin[0].scriptSig)))
return signtx
+def create_bip112emptystack(node, input, txversion, address):
+ tx = create_transaction(node, input, address, amount=Decimal("49.98"))
+ tx.nVersion = txversion
+ signtx = sign_transaction(node, tx)
+ signtx.vin[0].scriptSig = CScript([OP_CHECKSEQUENCEVERIFY] + list(CScript(signtx.vin[0].scriptSig)))
+ return signtx
+
def send_generic_input_tx(node, coinbases, address):
return node.sendrawtransaction(ToHex(sign_transaction(node, create_transaction(node, node.getblock(coinbases.pop())['tx'][0], address, amount=Decimal("49.99")))))
@@ -179,15 +187,15 @@ class BIP68_112_113Test(BitcoinTestFramework):
self.log.info("Generate blocks in the past for coinbase outputs.")
long_past_time = int(time.time()) - 600 * 1000 # enough to build up to 1000 blocks 10 minutes apart without worrying about getting into the future
self.nodes[0].setmocktime(long_past_time - 100) # enough so that the generated blocks will still all be before long_past_time
- self.coinbase_blocks = self.nodes[0].generate(1 + 16 + 2 * 32 + 1) # 82 blocks generated for inputs
+ self.coinbase_blocks = self.nodes[0].generate(1 + 16 + 2 * 32 + 2) # 83 blocks generated for inputs
self.nodes[0].setmocktime(0) # set time back to present so yielded blocks aren't in the future as we advance last_block_time
- self.tipheight = 82 # height of the next block to build
+ self.tipheight = 83 # height of the next block to build
self.last_block_time = long_past_time
self.tip = int(self.nodes[0].getbestblockhash(), 16)
self.nodeaddress = self.nodes[0].getnewaddress()
# Activation height is hardcoded
- test_blocks = self.generate_blocks(345)
+ test_blocks = self.generate_blocks(344)
self.send_blocks(test_blocks)
assert not softfork_active(self.nodes[0], 'csv')
@@ -218,6 +226,8 @@ class BIP68_112_113Test(BitcoinTestFramework):
# 1 special input with -1 OP_CSV OP_DROP (actually will be prepended to spending scriptSig)
bip112specialinput = send_generic_input_tx(self.nodes[0], self.coinbase_blocks, self.nodeaddress)
+ # 1 special input with (empty stack) OP_CSV (actually will be prepended to spending scriptSig)
+ bip112emptystackinput = send_generic_input_tx(self.nodes[0],self.coinbase_blocks, self.nodeaddress)
# 1 normal input
bip113input = send_generic_input_tx(self.nodes[0], self.coinbase_blocks, self.nodeaddress)
@@ -228,7 +238,7 @@ class BIP68_112_113Test(BitcoinTestFramework):
self.tip = int(inputblockhash, 16)
self.tipheight += 1
self.last_block_time += 600
- assert_equal(len(self.nodes[0].getblock(inputblockhash, True)["tx"]), 82 + 1)
+ assert_equal(len(self.nodes[0].getblock(inputblockhash, True)["tx"]), 83 + 1)
# 2 more version 4 blocks
test_blocks = self.generate_blocks(2)
@@ -267,6 +277,9 @@ class BIP68_112_113Test(BitcoinTestFramework):
# -1 OP_CSV OP_DROP input
bip112tx_special_v1 = create_bip112special(self.nodes[0], bip112specialinput, 1, self.nodeaddress)
bip112tx_special_v2 = create_bip112special(self.nodes[0], bip112specialinput, 2, self.nodeaddress)
+ # (empty stack) OP_CSV input
+ bip112tx_emptystack_v1 = create_bip112emptystack(self.nodes[0], bip112emptystackinput, 1, self.nodeaddress)
+ bip112tx_emptystack_v2 = create_bip112emptystack(self.nodes[0], bip112emptystackinput, 2, self.nodeaddress)
self.log.info("TESTING")
@@ -274,11 +287,12 @@ class BIP68_112_113Test(BitcoinTestFramework):
self.log.info("Test version 1 txs")
success_txs = []
- # add BIP113 tx and -1 CSV tx
+ # BIP113 tx, -1 CSV tx and empty stack CSV tx should succeed
bip113tx_v1.nLockTime = self.last_block_time - 600 * 5 # = MTP of prior block (not <) but < time put on current block
bip113signed1 = sign_transaction(self.nodes[0], bip113tx_v1)
success_txs.append(bip113signed1)
success_txs.append(bip112tx_special_v1)
+ success_txs.append(bip112tx_emptystack_v1)
# add BIP 68 txs
success_txs.extend(all_rlt_txs(bip68txs_v1))
# add BIP 112 with seq=10 txs
@@ -293,11 +307,12 @@ class BIP68_112_113Test(BitcoinTestFramework):
self.log.info("Test version 2 txs")
success_txs = []
- # add BIP113 tx and -1 CSV tx
+ # BIP113 tx, -1 CSV tx and empty stack CSV tx should succeed
bip113tx_v2.nLockTime = self.last_block_time - 600 * 5 # = MTP of prior block (not <) but < time put on current block
bip113signed2 = sign_transaction(self.nodes[0], bip113tx_v2)
success_txs.append(bip113signed2)
success_txs.append(bip112tx_special_v2)
+ success_txs.append(bip112tx_emptystack_v2)
# add BIP 68 txs
success_txs.extend(all_rlt_txs(bip68txs_v2))
# add BIP 112 with seq=10 txs
@@ -385,8 +400,9 @@ class BIP68_112_113Test(BitcoinTestFramework):
self.log.info("BIP 112 tests")
self.log.info("Test version 1 txs")
- # -1 OP_CSV tx should fail
+ # -1 OP_CSV tx and (empty stack) OP_CSV tx should fail
self.send_blocks([self.create_test_block([bip112tx_special_v1])], success=False)
+ self.send_blocks([self.create_test_block([bip112tx_emptystack_v1])], success=False)
# If SEQUENCE_LOCKTIME_DISABLE_FLAG is set in argument to OP_CSV, version 1 txs should still pass
success_txs = [tx['tx'] for tx in bip112txs_vary_OP_CSV_v1 if tx['sdf']]
@@ -404,8 +420,9 @@ class BIP68_112_113Test(BitcoinTestFramework):
self.log.info("Test version 2 txs")
- # -1 OP_CSV tx should fail
+ # -1 OP_CSV tx and (empty stack) OP_CSV tx should fail
self.send_blocks([self.create_test_block([bip112tx_special_v2])], success=False)
+ self.send_blocks([self.create_test_block([bip112tx_emptystack_v2])], success=False)
# If SEQUENCE_LOCKTIME_DISABLE_FLAG is set in argument to OP_CSV, version 2 txs should pass (all sequence locks are met)
success_txs = [tx['tx'] for tx in bip112txs_vary_OP_CSV_v2 if tx['sdf']]
@@ -449,7 +466,5 @@ class BIP68_112_113Test(BitcoinTestFramework):
self.send_blocks([self.create_test_block(time_txs)])
self.nodes[0].invalidateblock(self.nodes[0].getbestblockhash())
- # TODO: Test empty stack fails
-
if __name__ == '__main__':
BIP68_112_113Test().main()