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-rwxr-xr-xtest/functional/feature_block.py40
-rwxr-xr-xtest/functional/feature_segwit.py12
-rwxr-xr-xtest/functional/mempool_accept.py4
-rwxr-xr-xtest/functional/mining_prioritisetransaction.py8
-rwxr-xr-xtest/functional/p2p_segwit.py37
-rwxr-xr-xtest/functional/test_framework/messages.py18
6 files changed, 57 insertions, 62 deletions
diff --git a/test/functional/feature_block.py b/test/functional/feature_block.py
index c11eabc917..227be16487 100755
--- a/test/functional/feature_block.py
+++ b/test/functional/feature_block.py
@@ -22,7 +22,7 @@ from test_framework.messages import (
CTransaction,
CTxIn,
CTxOut,
- MAX_BLOCK_BASE_SIZE,
+ MAX_BLOCK_WEIGHT,
uint256_from_compact,
uint256_from_str,
)
@@ -307,33 +307,33 @@ class FullBlockTest(BitcoinTestFramework):
b22 = self.next_block(22, spend=out[5])
self.send_blocks([b22], success=False, reject_reason='bad-txns-premature-spend-of-coinbase', reconnect=True)
- # Create a block on either side of MAX_BLOCK_BASE_SIZE and make sure its accepted/rejected
+ # Create a block on either side of MAX_BLOCK_WEIGHT and make sure its accepted/rejected
# genesis -> b1 (0) -> b2 (1) -> b5 (2) -> b6 (3)
# \-> b12 (3) -> b13 (4) -> b15 (5) -> b23 (6)
# \-> b24 (6) -> b25 (7)
# \-> b3 (1) -> b4 (2)
- self.log.info("Accept a block of size MAX_BLOCK_BASE_SIZE")
+ self.log.info("Accept a block of weight MAX_BLOCK_WEIGHT")
self.move_tip(15)
b23 = self.next_block(23, spend=out[6])
tx = CTransaction()
- script_length = MAX_BLOCK_BASE_SIZE - len(b23.serialize()) - 69
+ script_length = (MAX_BLOCK_WEIGHT - b23.get_weight() - 276) // 4
script_output = CScript([b'\x00' * script_length])
tx.vout.append(CTxOut(0, script_output))
tx.vin.append(CTxIn(COutPoint(b23.vtx[1].sha256, 0)))
b23 = self.update_block(23, [tx])
- # Make sure the math above worked out to produce a max-sized block
- assert_equal(len(b23.serialize()), MAX_BLOCK_BASE_SIZE)
+ # Make sure the math above worked out to produce a max-weighted block
+ assert_equal(b23.get_weight(), MAX_BLOCK_WEIGHT)
self.send_blocks([b23], True)
self.save_spendable_output()
- self.log.info("Reject a block of size MAX_BLOCK_BASE_SIZE + 1")
+ self.log.info("Reject a block of weight MAX_BLOCK_WEIGHT + 4")
self.move_tip(15)
b24 = self.next_block(24, spend=out[6])
- script_length = MAX_BLOCK_BASE_SIZE - len(b24.serialize()) - 69
+ script_length = (MAX_BLOCK_WEIGHT - b24.get_weight() - 276) // 4
script_output = CScript([b'\x00' * (script_length + 1)])
tx.vout = [CTxOut(0, script_output)]
b24 = self.update_block(24, [tx])
- assert_equal(len(b24.serialize()), MAX_BLOCK_BASE_SIZE + 1)
+ assert_equal(b24.get_weight(), MAX_BLOCK_WEIGHT + 1 * 4)
self.send_blocks([b24], success=False, reject_reason='bad-blk-length', reconnect=True)
b25 = self.next_block(25, spend=out[7])
@@ -484,13 +484,13 @@ class FullBlockTest(BitcoinTestFramework):
# Until block is full, add tx's with 1 satoshi to p2sh_script, the rest to OP_TRUE
tx_new = None
tx_last = tx
- total_size = len(b39.serialize())
- while(total_size < MAX_BLOCK_BASE_SIZE):
+ total_weight = b39.get_weight()
+ while total_weight < MAX_BLOCK_WEIGHT:
tx_new = self.create_tx(tx_last, 1, 1, p2sh_script)
tx_new.vout.append(CTxOut(tx_last.vout[1].nValue - 1, CScript([OP_TRUE])))
tx_new.rehash()
- total_size += len(tx_new.serialize())
- if total_size >= MAX_BLOCK_BASE_SIZE:
+ total_weight += tx_new.get_weight()
+ if total_weight >= MAX_BLOCK_WEIGHT:
break
b39.vtx.append(tx_new) # add tx to block
tx_last = tx_new
@@ -501,7 +501,7 @@ class FullBlockTest(BitcoinTestFramework):
# Make sure we didn't accidentally make too big a block. Note that the
# size of the block has non-determinism due to the ECDSA signature in
# the first transaction.
- while (len(b39.serialize()) >= MAX_BLOCK_BASE_SIZE):
+ while b39.get_weight() >= MAX_BLOCK_WEIGHT:
del b39.vtx[-1]
b39 = self.update_block(39, [])
@@ -891,7 +891,7 @@ class FullBlockTest(BitcoinTestFramework):
self.send_blocks([b63], success=False, reject_reason='bad-txns-nonfinal', reconnect=True)
# This checks that a block with a bloated VARINT between the block_header and the array of tx such that
- # the block is > MAX_BLOCK_BASE_SIZE with the bloated varint, but <= MAX_BLOCK_BASE_SIZE without the bloated varint,
+ # the block is > MAX_BLOCK_WEIGHT with the bloated varint, but <= MAX_BLOCK_WEIGHT without the bloated varint,
# does not cause a subsequent, identical block with canonical encoding to be rejected. The test does not
# care whether the bloated block is accepted or rejected; it only cares that the second block is accepted.
#
@@ -916,12 +916,12 @@ class FullBlockTest(BitcoinTestFramework):
tx = CTransaction()
# use canonical serialization to calculate size
- script_length = MAX_BLOCK_BASE_SIZE - len(b64a.normal_serialize()) - 69
+ script_length = (MAX_BLOCK_WEIGHT - 4 * len(b64a.normal_serialize()) - 276) // 4
script_output = CScript([b'\x00' * script_length])
tx.vout.append(CTxOut(0, script_output))
tx.vin.append(CTxIn(COutPoint(b64a.vtx[1].sha256, 0)))
b64a = self.update_block("64a", [tx])
- assert_equal(len(b64a.serialize()), MAX_BLOCK_BASE_SIZE + 8)
+ assert_equal(b64a.get_weight(), MAX_BLOCK_WEIGHT + 8 * 4)
self.send_blocks([b64a], success=False, reject_reason='non-canonical ReadCompactSize()')
# bitcoind doesn't disconnect us for sending a bloated block, but if we subsequently
@@ -935,7 +935,7 @@ class FullBlockTest(BitcoinTestFramework):
b64 = CBlock(b64a)
b64.vtx = copy.deepcopy(b64a.vtx)
assert_equal(b64.hash, b64a.hash)
- assert_equal(len(b64.serialize()), MAX_BLOCK_BASE_SIZE)
+ assert_equal(b64.get_weight(), MAX_BLOCK_WEIGHT)
self.blocks[64] = b64
b64 = self.update_block(64, [])
self.send_blocks([b64], True)
@@ -1269,12 +1269,12 @@ class FullBlockTest(BitcoinTestFramework):
for i in range(89, LARGE_REORG_SIZE + 89):
b = self.next_block(i, spend)
tx = CTransaction()
- script_length = MAX_BLOCK_BASE_SIZE - len(b.serialize()) - 69
+ script_length = (MAX_BLOCK_WEIGHT - b.get_weight() - 276) // 4
script_output = CScript([b'\x00' * script_length])
tx.vout.append(CTxOut(0, script_output))
tx.vin.append(CTxIn(COutPoint(b.vtx[1].sha256, 0)))
b = self.update_block(i, [tx])
- assert_equal(len(b.serialize()), MAX_BLOCK_BASE_SIZE)
+ assert_equal(b.get_weight(), MAX_BLOCK_WEIGHT)
blocks.append(b)
self.save_spendable_output()
spend = self.get_spendable_output()
diff --git a/test/functional/feature_segwit.py b/test/functional/feature_segwit.py
index f36575627e..cbd8521499 100755
--- a/test/functional/feature_segwit.py
+++ b/test/functional/feature_segwit.py
@@ -259,8 +259,8 @@ class SegWitTest(BitcoinTestFramework):
assert_equal(int(self.nodes[0].getmempoolentry(txid1)["wtxid"], 16), tx1.calc_sha256(True))
# Check that weight and vsize are properly reported in mempool entry (txid1)
- assert_equal(self.nodes[0].getmempoolentry(txid1)["vsize"], (self.nodes[0].getmempoolentry(txid1)["weight"] + 3) // 4)
- assert_equal(self.nodes[0].getmempoolentry(txid1)["weight"], len(tx1.serialize_without_witness())*3 + len(tx1.serialize_with_witness()))
+ assert_equal(self.nodes[0].getmempoolentry(txid1)["vsize"], tx1.get_vsize())
+ assert_equal(self.nodes[0].getmempoolentry(txid1)["weight"], tx1.get_weight())
# Now create tx2, which will spend from txid1.
tx = CTransaction()
@@ -275,8 +275,8 @@ class SegWitTest(BitcoinTestFramework):
assert_equal(int(self.nodes[0].getmempoolentry(txid2)["wtxid"], 16), tx.calc_sha256(True))
# Check that weight and vsize are properly reported in mempool entry (txid2)
- assert_equal(self.nodes[0].getmempoolentry(txid2)["vsize"], (self.nodes[0].getmempoolentry(txid2)["weight"] + 3) // 4)
- assert_equal(self.nodes[0].getmempoolentry(txid2)["weight"], len(tx.serialize_without_witness())*3 + len(tx.serialize_with_witness()))
+ assert_equal(self.nodes[0].getmempoolentry(txid2)["vsize"], tx.get_vsize())
+ assert_equal(self.nodes[0].getmempoolentry(txid2)["weight"], tx.get_weight())
# Now create tx3, which will spend from txid2
tx = CTransaction()
@@ -298,8 +298,8 @@ class SegWitTest(BitcoinTestFramework):
assert_equal(int(self.nodes[0].getmempoolentry(txid3)["wtxid"], 16), tx.calc_sha256(True))
# Check that weight and vsize are properly reported in mempool entry (txid3)
- assert_equal(self.nodes[0].getmempoolentry(txid3)["vsize"], (self.nodes[0].getmempoolentry(txid3)["weight"] + 3) // 4)
- assert_equal(self.nodes[0].getmempoolentry(txid3)["weight"], len(tx.serialize_without_witness())*3 + len(tx.serialize_with_witness()))
+ assert_equal(self.nodes[0].getmempoolentry(txid3)["vsize"], tx.get_vsize())
+ assert_equal(self.nodes[0].getmempoolentry(txid3)["weight"], tx.get_weight())
# Mine a block to clear the gbt cache again.
self.nodes[0].generate(1)
diff --git a/test/functional/mempool_accept.py b/test/functional/mempool_accept.py
index 60c0953f6f..97d29ff197 100755
--- a/test/functional/mempool_accept.py
+++ b/test/functional/mempool_accept.py
@@ -15,7 +15,7 @@ from test_framework.messages import (
COutPoint,
CTxIn,
CTxOut,
- MAX_BLOCK_BASE_SIZE,
+ MAX_BLOCK_WEIGHT,
MAX_MONEY,
tx_from_hex,
)
@@ -209,7 +209,7 @@ class MempoolAcceptanceTest(BitcoinTestFramework):
self.log.info('A really large transaction')
tx = tx_from_hex(raw_tx_reference)
- tx.vin = [tx.vin[0]] * math.ceil(MAX_BLOCK_BASE_SIZE / len(tx.vin[0].serialize()))
+ tx.vin = [tx.vin[0]] * math.ceil(MAX_BLOCK_WEIGHT // 4 / len(tx.vin[0].serialize()))
self.check_mempool_result(
result_expected=[{'txid': tx.rehash(), 'allowed': False, 'reject-reason': 'bad-txns-oversize'}],
rawtxs=[tx.serialize().hex()],
diff --git a/test/functional/mining_prioritisetransaction.py b/test/functional/mining_prioritisetransaction.py
index 1426fdaacb..9fc38ebf53 100755
--- a/test/functional/mining_prioritisetransaction.py
+++ b/test/functional/mining_prioritisetransaction.py
@@ -6,7 +6,7 @@
import time
-from test_framework.messages import COIN, MAX_BLOCK_BASE_SIZE
+from test_framework.messages import COIN, MAX_BLOCK_WEIGHT
from test_framework.test_framework import BitcoinTestFramework
from test_framework.util import assert_equal, assert_raises_rpc_error, create_confirmed_utxos, create_lots_of_big_transactions, gen_return_txouts
@@ -61,15 +61,15 @@ class PrioritiseTransactionTest(BitcoinTestFramework):
txids[i] = create_lots_of_big_transactions(self.nodes[0], self.txouts, utxos[start_range:end_range], end_range - start_range, (i+1)*base_fee)
# Make sure that the size of each group of transactions exceeds
- # MAX_BLOCK_BASE_SIZE -- otherwise the test needs to be revised to create
- # more transactions.
+ # MAX_BLOCK_WEIGHT // 4 -- otherwise the test needs to be revised to
+ # create more transactions.
mempool = self.nodes[0].getrawmempool(True)
sizes = [0, 0, 0]
for i in range(3):
for j in txids[i]:
assert j in mempool
sizes[i] += mempool[j]['vsize']
- assert sizes[i] > MAX_BLOCK_BASE_SIZE # Fail => raise utxo_count
+ assert sizes[i] > MAX_BLOCK_WEIGHT // 4 # Fail => raise utxo_count
# add a fee delta to something in the cheapest bucket and make sure it gets mined
# also check that a different entry in the cheapest bucket is NOT mined
diff --git a/test/functional/p2p_segwit.py b/test/functional/p2p_segwit.py
index c53feaf0c6..e5093855ff 100755
--- a/test/functional/p2p_segwit.py
+++ b/test/functional/p2p_segwit.py
@@ -4,7 +4,6 @@
# file COPYING or http://www.opensource.org/licenses/mit-license.php.
"""Test segwit transactions and blocks on P2P network."""
from decimal import Decimal
-import math
import random
import struct
import time
@@ -21,7 +20,7 @@ from test_framework.messages import (
CTxInWitness,
CTxOut,
CTxWitness,
- MAX_BLOCK_BASE_SIZE,
+ MAX_BLOCK_WEIGHT,
MSG_BLOCK,
MSG_TX,
MSG_WITNESS_FLAG,
@@ -106,16 +105,6 @@ def sign_p2pk_witness_input(script, tx_to, in_idx, hashtype, value, key):
tx_to.wit.vtxinwit[in_idx].scriptWitness.stack = [signature, script]
tx_to.rehash()
-def get_virtual_size(witness_block):
- """Calculate the virtual size of a witness block.
-
- Virtual size is base + witness/4."""
- base_size = len(witness_block.serialize(with_witness=False))
- total_size = len(witness_block.serialize())
- # the "+3" is so we round up
- vsize = int((3 * base_size + total_size + 3) / 4)
- return vsize
-
def test_transaction_acceptance(node, p2p, tx, with_witness, accepted, reason=None):
"""Send a transaction to the node and check that it's accepted to the mempool
@@ -437,8 +426,7 @@ class SegWitTest(BitcoinTestFramework):
rpc_details = self.nodes[0].getblock(block.hash, True)
assert_equal(rpc_details["size"], len(block.serialize()))
assert_equal(rpc_details["strippedsize"], len(block.serialize(False)))
- weight = 3 * len(block.serialize(False)) + len(block.serialize())
- assert_equal(rpc_details["weight"], weight)
+ assert_equal(rpc_details["weight"], block.get_weight())
# Upgraded node should not ask for blocks from unupgraded
block4 = self.build_next_block(version=4)
@@ -849,7 +837,7 @@ class SegWitTest(BitcoinTestFramework):
block.solve()
block.vtx[0].wit.vtxinwit[0].scriptWitness.stack.append(b'a' * 5000000)
- assert get_virtual_size(block) > MAX_BLOCK_BASE_SIZE
+ assert block.get_weight() > MAX_BLOCK_WEIGHT
# We can't send over the p2p network, because this is too big to relay
# TODO: repeat this test with a block that can be relayed
@@ -858,7 +846,7 @@ class SegWitTest(BitcoinTestFramework):
assert self.nodes[0].getbestblockhash() != block.hash
block.vtx[0].wit.vtxinwit[0].scriptWitness.stack.pop()
- assert get_virtual_size(block) < MAX_BLOCK_BASE_SIZE
+ assert block.get_weight() < MAX_BLOCK_WEIGHT
assert_equal(None, self.nodes[0].submitblock(block.serialize().hex()))
assert self.nodes[0].getbestblockhash() == block.hash
@@ -920,11 +908,10 @@ class SegWitTest(BitcoinTestFramework):
child_tx.rehash()
self.update_witness_block_with_transactions(block, [parent_tx, child_tx])
- vsize = get_virtual_size(block)
- additional_bytes = (MAX_BLOCK_BASE_SIZE - vsize) * 4
+ additional_bytes = MAX_BLOCK_WEIGHT - block.get_weight()
i = 0
while additional_bytes > 0:
- # Add some more bytes to each input until we hit MAX_BLOCK_BASE_SIZE+1
+ # Add some more bytes to each input until we hit MAX_BLOCK_WEIGHT+1
extra_bytes = min(additional_bytes + 1, 55)
block.vtx[-1].wit.vtxinwit[int(i / (2 * NUM_DROPS))].scriptWitness.stack[i % (2 * NUM_DROPS)] = b'a' * (195 + extra_bytes)
additional_bytes -= extra_bytes
@@ -933,8 +920,7 @@ class SegWitTest(BitcoinTestFramework):
block.vtx[0].vout.pop() # Remove old commitment
add_witness_commitment(block)
block.solve()
- vsize = get_virtual_size(block)
- assert_equal(vsize, MAX_BLOCK_BASE_SIZE + 1)
+ assert_equal(block.get_weight(), MAX_BLOCK_WEIGHT + 1)
# Make sure that our test case would exceed the old max-network-message
# limit
assert len(block.serialize()) > 2 * 1024 * 1024
@@ -947,7 +933,7 @@ class SegWitTest(BitcoinTestFramework):
block.vtx[0].vout.pop()
add_witness_commitment(block)
block.solve()
- assert get_virtual_size(block) == MAX_BLOCK_BASE_SIZE
+ assert block.get_weight() == MAX_BLOCK_WEIGHT
test_witness_block(self.nodes[0], self.test_node, block, accepted=True)
@@ -1304,10 +1290,9 @@ class SegWitTest(BitcoinTestFramework):
raw_tx = self.nodes[0].getrawtransaction(tx3.hash, 1)
assert_equal(int(raw_tx["hash"], 16), tx3.calc_sha256(True))
assert_equal(raw_tx["size"], len(tx3.serialize_with_witness()))
- weight = len(tx3.serialize_with_witness()) + 3 * len(tx3.serialize_without_witness())
- vsize = math.ceil(weight / 4)
+ vsize = tx3.get_vsize()
assert_equal(raw_tx["vsize"], vsize)
- assert_equal(raw_tx["weight"], weight)
+ assert_equal(raw_tx["weight"], tx3.get_weight())
assert_equal(len(raw_tx["vin"][0]["txinwitness"]), 1)
assert_equal(raw_tx["vin"][0]["txinwitness"][0], witness_script.hex())
assert vsize != raw_tx["size"]
@@ -1663,7 +1648,7 @@ class SegWitTest(BitcoinTestFramework):
block.vtx.append(tx)
# Test the block periodically, if we're close to maxblocksize
- if (get_virtual_size(block) > MAX_BLOCK_BASE_SIZE - 1000):
+ if block.get_weight() > MAX_BLOCK_WEIGHT - 4000:
self.update_witness_block_with_transactions(block, [])
test_witness_block(self.nodes[0], self.test_node, block, accepted=True)
block = self.build_next_block()
diff --git a/test/functional/test_framework/messages.py b/test/functional/test_framework/messages.py
index 0523627cef..57a2c7da47 100755
--- a/test/functional/test_framework/messages.py
+++ b/test/functional/test_framework/messages.py
@@ -33,7 +33,7 @@ from test_framework.siphash import siphash256
from test_framework.util import assert_equal
MAX_LOCATOR_SZ = 101
-MAX_BLOCK_BASE_SIZE = 1000000
+MAX_BLOCK_WEIGHT = 4000000
MAX_BLOOM_FILTER_SIZE = 36000
MAX_BLOOM_HASH_FUNCS = 50
@@ -608,12 +608,15 @@ class CTransaction:
return False
return True
- # Calculate the virtual transaction size using witness and non-witness
+ # Calculate the transaction weight using witness and non-witness
# serialization size (does NOT use sigops).
- def get_vsize(self):
+ def get_weight(self):
with_witness_size = len(self.serialize_with_witness())
without_witness_size = len(self.serialize_without_witness())
- return math.ceil(((WITNESS_SCALE_FACTOR - 1) * without_witness_size + with_witness_size) / WITNESS_SCALE_FACTOR)
+ return (WITNESS_SCALE_FACTOR - 1) * without_witness_size + with_witness_size
+
+ def get_vsize(self):
+ return math.ceil(self.get_weight() / WITNESS_SCALE_FACTOR)
def __repr__(self):
return "CTransaction(nVersion=%i vin=%s vout=%s wit=%s nLockTime=%i)" \
@@ -761,6 +764,13 @@ class CBlock(CBlockHeader):
self.nNonce += 1
self.rehash()
+ # Calculate the block weight using witness and non-witness
+ # serialization size (does NOT use sigops).
+ def get_weight(self):
+ with_witness_size = len(self.serialize(with_witness=True))
+ without_witness_size = len(self.serialize(with_witness=False))
+ return (WITNESS_SCALE_FACTOR - 1) * without_witness_size + with_witness_size
+
def __repr__(self):
return "CBlock(nVersion=%i hashPrevBlock=%064x hashMerkleRoot=%064x nTime=%s nBits=%08x nNonce=%08x vtx=%s)" \
% (self.nVersion, self.hashPrevBlock, self.hashMerkleRoot,