diff options
Diffstat (limited to 'test/functional/feature_csv_activation.py')
| -rwxr-xr-x | test/functional/feature_csv_activation.py | 97 |
1 files changed, 31 insertions, 66 deletions
diff --git a/test/functional/feature_csv_activation.py b/test/functional/feature_csv_activation.py index 887e9dafa3..6bd321992a 100755 --- a/test/functional/feature_csv_activation.py +++ b/test/functional/feature_csv_activation.py @@ -2,23 +2,17 @@ # Copyright (c) 2015-2019 The Bitcoin Core developers # Distributed under the MIT software license, see the accompanying # file COPYING or http://www.opensource.org/licenses/mit-license.php. -"""Test activation of the first version bits soft fork. +"""Test CSV soft fork activation. This soft fork will activate the following BIPS: BIP 68 - nSequence relative lock times BIP 112 - CHECKSEQUENCEVERIFY BIP 113 - MedianTimePast semantics for nLockTime -regtest lock-in with 108/144 block signalling -activation after a further 144 blocks - mine 82 blocks whose coinbases will be used to generate inputs for our tests -mine 61 blocks to transition from DEFINED to STARTED -mine 144 blocks only 100 of which are signaling readiness in order to fail to change state this period -mine 144 blocks with 108 signaling and verify STARTED->LOCKED_IN -mine 140 blocks and seed block chain with the 82 inputs will use for our tests at height 572 -mine 3 blocks and verify still at LOCKED_IN and test that enforcement has not triggered -mine 1 block and test that enforcement has triggered (which triggers ACTIVE) +mine 345 blocks and seed block chain with the 82 inputs will use for our tests at height 427 +mine 2 blocks and verify soft fork not yet activated +mine 1 block and test that soft fork is activated (rules enforced for next block) Test BIP 113 is enforced Mine 4 blocks so next height is 580 and test BIP 68 is enforced for time and height Mine 1 block so next height is 581 and test BIP 68 now passes time but not height @@ -58,11 +52,12 @@ from test_framework.script import ( from test_framework.test_framework import BitcoinTestFramework from test_framework.util import ( assert_equal, - get_bip9_status, hex_str_to_bytes, + softfork_active, ) BASE_RELATIVE_LOCKTIME = 10 +CSV_ACTIVATION_HEIGHT = 432 SEQ_DISABLE_FLAG = 1 << 31 SEQ_RANDOM_HIGH_BIT = 1 << 25 SEQ_TYPE_FLAG = 1 << 22 @@ -148,20 +143,19 @@ class BIP68_112_113Test(BitcoinTestFramework): def skip_test_if_missing_module(self): self.skip_if_no_wallet() - def generate_blocks(self, number, version, test_blocks=None): - if test_blocks is None: - test_blocks = [] + def generate_blocks(self, number): + test_blocks = [] for i in range(number): - block = self.create_test_block([], version) + block = self.create_test_block([]) test_blocks.append(block) self.last_block_time += 600 self.tip = block.sha256 self.tipheight += 1 return test_blocks - def create_test_block(self, txs, version=536870912): + def create_test_block(self, txs): block = create_block(self.tip, create_coinbase(self.tipheight + 1), self.last_block_time + 600) - block.nVersion = version + block.nVersion = 4 block.vtx.extend(txs) block.hashMerkleRoot = block.calc_merkle_root() block.rehash() @@ -187,45 +181,14 @@ class BIP68_112_113Test(BitcoinTestFramework): self.tip = int(self.nodes[0].getbestblockhash(), 16) self.nodeaddress = self.nodes[0].getnewaddress() - self.log.info("Test that the csv softfork is DEFINED") - assert_equal(get_bip9_status(self.nodes[0], 'csv')['status'], 'defined') - test_blocks = self.generate_blocks(61, 4) - self.send_blocks(test_blocks) - - self.log.info("Advance from DEFINED to STARTED, height = 143") - assert_equal(get_bip9_status(self.nodes[0], 'csv')['status'], 'started') - - self.log.info("Fail to achieve LOCKED_IN") - # 100 out of 144 signal bit 0. Use a variety of bits to simulate multiple parallel softforks - - test_blocks = self.generate_blocks(50, 536870913) # 0x20000001 (signalling ready) - test_blocks = self.generate_blocks(20, 4, test_blocks) # 0x00000004 (signalling not) - test_blocks = self.generate_blocks(50, 536871169, test_blocks) # 0x20000101 (signalling ready) - test_blocks = self.generate_blocks(24, 536936448, test_blocks) # 0x20010000 (signalling not) - self.send_blocks(test_blocks) - - self.log.info("Failed to advance past STARTED, height = 287") - assert_equal(get_bip9_status(self.nodes[0], 'csv')['status'], 'started') - - self.log.info("Generate blocks to achieve LOCK-IN") - # 108 out of 144 signal bit 0 to achieve lock-in - # using a variety of bits to simulate multiple parallel softforks - test_blocks = self.generate_blocks(58, 536870913) # 0x20000001 (signalling ready) - test_blocks = self.generate_blocks(26, 4, test_blocks) # 0x00000004 (signalling not) - test_blocks = self.generate_blocks(50, 536871169, test_blocks) # 0x20000101 (signalling ready) - test_blocks = self.generate_blocks(10, 536936448, test_blocks) # 0x20010000 (signalling not) - self.send_blocks(test_blocks) - - self.log.info("Advanced from STARTED to LOCKED_IN, height = 431") - assert_equal(get_bip9_status(self.nodes[0], 'csv')['status'], 'locked_in') - - # Generate 140 more version 4 blocks - test_blocks = self.generate_blocks(140, 4) + # Activation height is hardcoded + test_blocks = self.generate_blocks(345) self.send_blocks(test_blocks) + assert not softfork_active(self.nodes[0], 'csv') - # Inputs at height = 572 + # Inputs at height = 431 # - # Put inputs for all tests in the chain at height 572 (tip now = 571) (time increases by 600s per block) + # Put inputs for all tests in the chain at height 431 (tip now = 430) (time increases by 600s per block) # Note we reuse inputs for v1 and v2 txs so must test these separately # 16 normal inputs bip68inputs = [] @@ -255,7 +218,7 @@ class BIP68_112_113Test(BitcoinTestFramework): bip113input = send_generic_input_tx(self.nodes[0], self.coinbase_blocks, self.nodeaddress) self.nodes[0].setmocktime(self.last_block_time + 600) - inputblockhash = self.nodes[0].generate(1)[0] # 1 block generated for inputs to be in chain at height 572 + inputblockhash = self.nodes[0].generate(1)[0] # 1 block generated for inputs to be in chain at height 431 self.nodes[0].setmocktime(0) self.tip = int(inputblockhash, 16) self.tipheight += 1 @@ -263,11 +226,12 @@ class BIP68_112_113Test(BitcoinTestFramework): assert_equal(len(self.nodes[0].getblock(inputblockhash, True)["tx"]), 82 + 1) # 2 more version 4 blocks - test_blocks = self.generate_blocks(2, 4) + test_blocks = self.generate_blocks(2) self.send_blocks(test_blocks) - self.log.info("Not yet advanced to ACTIVE, height = 574 (will activate for block 576, not 575)") - assert_equal(get_bip9_status(self.nodes[0], 'csv')['status'], 'locked_in') + assert_equal(self.tipheight, CSV_ACTIVATION_HEIGHT - 2) + self.log.info("Height = {}, CSV not yet active (will activate for block {}, not {})".format(self.tipheight, CSV_ACTIVATION_HEIGHT, CSV_ACTIVATION_HEIGHT - 1)) + assert not softfork_active(self.nodes[0], 'csv') # Test both version 1 and version 2 transactions for all tests # BIP113 test transaction will be modified before each use to put in appropriate block time @@ -340,10 +304,11 @@ class BIP68_112_113Test(BitcoinTestFramework): self.send_blocks([self.create_test_block(success_txs)]) self.nodes[0].invalidateblock(self.nodes[0].getbestblockhash()) - # 1 more version 4 block to get us to height 575 so the fork should now be active for the next block - test_blocks = self.generate_blocks(1, 4) + # 1 more version 4 block to get us to height 432 so the fork should now be active for the next block + assert not softfork_active(self.nodes[0], 'csv') + test_blocks = self.generate_blocks(1) self.send_blocks(test_blocks) - assert_equal(get_bip9_status(self.nodes[0], 'csv')['status'], 'active') + assert softfork_active(self.nodes[0], 'csv') self.log.info("Post-Soft Fork Tests.") @@ -364,8 +329,8 @@ class BIP68_112_113Test(BitcoinTestFramework): self.send_blocks([self.create_test_block([bip113tx])]) self.nodes[0].invalidateblock(self.nodes[0].getbestblockhash()) - # Next block height = 580 after 4 blocks of random version - test_blocks = self.generate_blocks(4, 1234) + # Next block height = 437 after 4 blocks of random version + test_blocks = self.generate_blocks(4) self.send_blocks(test_blocks) self.log.info("BIP 68 tests") @@ -392,8 +357,8 @@ class BIP68_112_113Test(BitcoinTestFramework): for tx in bip68heighttxs: self.send_blocks([self.create_test_block([tx])], success=False) - # Advance one block to 581 - test_blocks = self.generate_blocks(1, 1234) + # Advance one block to 438 + test_blocks = self.generate_blocks(1) self.send_blocks(test_blocks) # Height txs should fail and time txs should now pass 9 * 600 > 10 * 512 @@ -403,8 +368,8 @@ class BIP68_112_113Test(BitcoinTestFramework): for tx in bip68heighttxs: self.send_blocks([self.create_test_block([tx])], success=False) - # Advance one block to 582 - test_blocks = self.generate_blocks(1, 1234) + # Advance one block to 439 + test_blocks = self.generate_blocks(1) self.send_blocks(test_blocks) # All BIP 68 txs should pass |