Merge #7835: Version 2 transactions remain non-standard until CSV activates

da5fdbb Test relay of version 2 transactions (Suhas Daftuar)
5cb1d8a Tests: move get_bip9_status to util.py (Suhas Daftuar)
e4ba9f6 Version 2 transactions remain non-standard until CSV activates (Suhas Daftuar)
This commit is contained in:
Wladimir J. van der Laan 2016-04-08 14:17:36 +02:00
commit 0afac87e81
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GPG Key ID: 74810B012346C9A6
4 changed files with 63 additions and 17 deletions

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@ -149,13 +149,6 @@ class BIP68_112_113Test(ComparisonTestFramework):
block.solve()
return block
def get_bip9_status(self, key):
info = self.nodes[0].getblockchaininfo()
for row in info['bip9_softforks']:
if row['id'] == key:
return row
raise IndexError ('key:"%s" not found' % key)
def create_bip68txs(self, bip68inputs, txversion, locktime_delta = 0):
txs = []
assert(len(bip68inputs) >= 16)
@ -223,11 +216,11 @@ class BIP68_112_113Test(ComparisonTestFramework):
self.tip = int ("0x" + self.nodes[0].getbestblockhash() + "L", 0)
self.nodeaddress = self.nodes[0].getnewaddress()
assert_equal(self.get_bip9_status('csv')['status'], 'defined')
assert_equal(get_bip9_status(self.nodes[0], 'csv')['status'], 'defined')
test_blocks = self.generate_blocks(61, 4)
yield TestInstance(test_blocks, sync_every_block=False) # 1
# Advanced from DEFINED to STARTED, height = 143
assert_equal(self.get_bip9_status('csv')['status'], 'started')
assert_equal(get_bip9_status(self.nodes[0], 'csv')['status'], 'started')
# Fail to achieve LOCKED_IN 100 out of 144 signal bit 0
# using a variety of bits to simulate multiple parallel softforks
@ -237,7 +230,7 @@ class BIP68_112_113Test(ComparisonTestFramework):
test_blocks = self.generate_blocks(24, 536936448, test_blocks) # 0x20010000 (signalling not)
yield TestInstance(test_blocks, sync_every_block=False) # 2
# Failed to advance past STARTED, height = 287
assert_equal(self.get_bip9_status('csv')['status'], 'started')
assert_equal(get_bip9_status(self.nodes[0], 'csv')['status'], 'started')
# 108 out of 144 signal bit 0 to achieve lock-in
# using a variety of bits to simulate multiple parallel softforks
@ -247,7 +240,7 @@ class BIP68_112_113Test(ComparisonTestFramework):
test_blocks = self.generate_blocks(10, 536936448, test_blocks) # 0x20010000 (signalling not)
yield TestInstance(test_blocks, sync_every_block=False) # 3
# Advanced from STARTED to LOCKED_IN, height = 431
assert_equal(self.get_bip9_status('csv')['status'], 'locked_in')
assert_equal(get_bip9_status(self.nodes[0], 'csv')['status'], 'locked_in')
# 140 more version 4 blocks
test_blocks = self.generate_blocks(140, 4)
@ -291,7 +284,7 @@ class BIP68_112_113Test(ComparisonTestFramework):
test_blocks = self.generate_blocks(2, 4)
yield TestInstance(test_blocks, sync_every_block=False) # 5
# Not yet advanced to ACTIVE, height = 574 (will activate for block 576, not 575)
assert_equal(self.get_bip9_status('csv')['status'], 'locked_in')
assert_equal(get_bip9_status(self.nodes[0], 'csv')['status'], 'locked_in')
# 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
@ -368,7 +361,7 @@ class BIP68_112_113Test(ComparisonTestFramework):
# 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)
yield TestInstance(test_blocks, sync_every_block=False) # 8
assert_equal(self.get_bip9_status('csv')['status'], 'active')
assert_equal(get_bip9_status(self.nodes[0], 'csv')['status'], 'active')
#################################

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@ -4,7 +4,7 @@
# file COPYING or http://www.opensource.org/licenses/mit-license.php.
#
# Test BIP68 implementation (mempool only)
# Test BIP68 implementation
#
from test_framework.test_framework import BitcoinTestFramework
@ -26,8 +26,10 @@ class BIP68Test(BitcoinTestFramework):
def setup_network(self):
self.nodes = []
self.nodes.append(start_node(0, self.options.tmpdir, ["-debug", "-blockprioritysize=0"]))
self.nodes.append(start_node(1, self.options.tmpdir, ["-debug", "-blockprioritysize=0", "-acceptnonstdtxn=0"]))
self.is_network_split = False
self.relayfee = self.nodes[0].getnetworkinfo()["relayfee"]
connect_nodes(self.nodes[0], 1)
def run_test(self):
# Generate some coins
@ -42,10 +44,18 @@ class BIP68Test(BitcoinTestFramework):
print "Running test sequence-lock-unconfirmed-inputs"
self.test_sequence_lock_unconfirmed_inputs()
# This test needs to change when BIP68 becomes consensus
print "Running test BIP68 not consensus"
print "Running test BIP68 not consensus before versionbits activation"
self.test_bip68_not_consensus()
print "Verifying nVersion=2 transactions aren't standard"
self.test_version2_relay(before_activation=True)
print "Activating BIP68 (and 112/113)"
self.activateCSV()
print "Verifying nVersion=2 transactions are now standard"
self.test_version2_relay(before_activation=False)
print "Passed\n"
# Test that BIP68 is not in effect if tx version is 1, or if
@ -333,8 +343,12 @@ class BIP68Test(BitcoinTestFramework):
self.nodes[0].invalidateblock(self.nodes[0].getblockhash(cur_height+1))
self.nodes[0].generate(10)
# Make sure that BIP68 isn't being used to validate blocks.
# Make sure that BIP68 isn't being used to validate blocks, prior to
# versionbits activation. If more blocks are mined prior to this test
# being run, then it's possible the test has activated the soft fork, and
# this test should be moved to run earlier, or deleted.
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))
@ -381,6 +395,30 @@ class BIP68Test(BitcoinTestFramework):
self.nodes[0].submitblock(ToHex(block))
assert_equal(self.nodes[0].getbestblockhash(), block.hash)
def activateCSV(self):
# activation should happen at block height 432 (3 periods)
min_activation_height = 432
height = self.nodes[0].getblockcount()
assert(height < 432)
self.nodes[0].generate(432-height)
assert(get_bip9_status(self.nodes[0], 'csv')['status'] == 'active')
sync_blocks(self.nodes)
# Use self.nodes[1] to test standardness relay policy
def test_version2_relay(self, before_activation):
inputs = [ ]
outputs = { self.nodes[1].getnewaddress() : 1.0 }
rawtx = self.nodes[1].createrawtransaction(inputs, outputs)
rawtxfund = self.nodes[1].fundrawtransaction(rawtx)['hex']
tx = FromHex(CTransaction(), rawtxfund)
tx.nVersion = 2
tx_signed = self.nodes[1].signrawtransaction(ToHex(tx))["hex"]
try:
tx_id = self.nodes[1].sendrawtransaction(tx_signed)
assert(before_activation == False)
except:
assert(before_activation)
if __name__ == '__main__':
BIP68Test().main()

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@ -545,3 +545,10 @@ def create_lots_of_big_transactions(node, txouts, utxos, fee):
txid = node.sendrawtransaction(signresult["hex"], True)
txids.append(txid)
return txids
def get_bip9_status(node, key):
info = node.getblockchaininfo()
for row in info['bip9_softforks']:
if row['id'] == key:
return row
raise IndexError ('key:"%s" not found' % key)

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@ -1025,6 +1025,14 @@ bool AcceptToMemoryPoolWorker(CTxMemPool& pool, CValidationState& state, const C
if (fRequireStandard && !IsStandardTx(tx, reason))
return state.DoS(0, false, REJECT_NONSTANDARD, reason);
// Don't relay version 2 transactions until CSV is active, and we can be
// sure that such transactions will be mined (unless we're on
// -testnet/-regtest).
const CChainParams& chainparams = Params();
if (fRequireStandard && tx.nVersion >= 2 && VersionBitsTipState(chainparams.GetConsensus(), Consensus::DEPLOYMENT_CSV) != THRESHOLD_ACTIVE) {
return state.DoS(0, false, REJECT_NONSTANDARD, "premature-version2-tx");
}
// Only accept nLockTime-using transactions that can be mined in the next
// block; we don't want our mempool filled up with transactions that can't
// be mined yet.