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[test] add get_vsize util for more programmatic testing

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This commit is contained in:
gzhao408 2020-09-16 07:13:31 -07:00
parent 2233a93a10
commit 23c35bf005
3 changed files with 16 additions and 6 deletions
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8
test/functional/mempool_accept.py
View file

@ -92,7 +92,7 @@ class MempoolAcceptanceTest(BitcoinTestFramework):
tx.deserialize(BytesIO(hex_str_to_bytes(raw_tx_0)))
txid_0 = tx.rehash()
self.check_mempool_result(
result_expected=[{'txid': txid_0, 'allowed': True, 'vsize': 110, 'fees': {'base': Decimal(str(fee))}}],
result_expected=[{'txid': txid_0, 'allowed': True, 'vsize': tx.get_vsize(), 'fees': {'base': Decimal(str(fee))}}],
rawtxs=[raw_tx_0],
)
@ -107,7 +107,7 @@ class MempoolAcceptanceTest(BitcoinTestFramework):
tx.deserialize(BytesIO(hex_str_to_bytes(raw_tx_final)))
fee_expected = int(coin['amount']) - output_amount
self.check_mempool_result(
result_expected=[{'txid': tx.rehash(), 'allowed': True, 'vsize': 188, 'fees': {'base': Decimal(str(fee_expected))}}],
result_expected=[{'txid': tx.rehash(), 'allowed': True, 'vsize': tx.get_vsize(), 'fees': {'base': Decimal(str(fee_expected))}}],
rawtxs=[tx.serialize().hex()],
maxfeerate=0,
)
@ -130,7 +130,7 @@ class MempoolAcceptanceTest(BitcoinTestFramework):
tx.deserialize(BytesIO(hex_str_to_bytes(raw_tx_0)))
txid_0 = tx.rehash()
self.check_mempool_result(
result_expected=[{'txid': txid_0, 'allowed': True, 'vsize': 110, 'fees': {'base': Decimal(str(2 * fee))}}],
result_expected=[{'txid': txid_0, 'allowed': True, 'vsize': tx.get_vsize(), 'fees': {'base': Decimal(str(2 * fee))}}],
rawtxs=[raw_tx_0],
)
@ -190,7 +190,7 @@ class MempoolAcceptanceTest(BitcoinTestFramework):
tx.deserialize(BytesIO(hex_str_to_bytes(raw_tx_reference)))
# Reference tx should be valid on itself
self.check_mempool_result(
result_expected=[{'txid': tx.rehash(), 'allowed': True, 'vsize': 110, 'fees': { 'base': Decimal(str(0.1 - 0.05))}}],
result_expected=[{'txid': tx.rehash(), 'allowed': True, 'vsize': tx.get_vsize(), 'fees': { 'base': Decimal(str(0.1 - 0.05))}}],
rawtxs=[tx.serialize().hex()],
maxfeerate=0,
)

4
test/functional/p2p_segwit.py
View file

@ -696,13 +696,13 @@ class SegWitTest(BitcoinTestFramework):
if not self.segwit_active:
# Just check mempool acceptance, but don't add the transaction to the mempool, since witness is disallowed
# in blocks and the tx is impossible to mine right now.
assert_equal(self.nodes[0].testmempoolaccept([tx3.serialize_with_witness().hex()]), [{'txid': tx3.hash, 'allowed': True, 'vsize': 93, 'fees': { 'base': Decimal('0.00001000')}}])
assert_equal(self.nodes[0].testmempoolaccept([tx3.serialize_with_witness().hex()]), [{'txid': tx3.hash, 'allowed': True, 'vsize': tx3.get_vsize(), 'fees': { 'base': Decimal('0.00001000')}}])
# Create the same output as tx3, but by replacing tx
tx3_out = tx3.vout[0]
tx3 = tx
tx3.vout = [tx3_out]
tx3.rehash()
assert_equal(self.nodes[0].testmempoolaccept([tx3.serialize_with_witness().hex()]), [{'txid': tx3.hash, 'allowed': True, 'vsize': 93, 'fees': { 'base': Decimal('0.00011000')}}])
assert_equal(self.nodes[0].testmempoolaccept([tx3.serialize_with_witness().hex()]), [{'txid': tx3.hash, 'allowed': True, 'vsize': tx3.get_vsize(), 'fees': { 'base': Decimal('0.00011000')}}])
test_transaction_acceptance(self.nodes[0], self.test_node, tx3, with_witness=True, accepted=True)
self.nodes[0].generate(1)

10
test/functional/test_framework/messages.py
View file

@ -22,6 +22,7 @@ from codecs import encode
import copy
import hashlib
from io import BytesIO
import math
import random
import socket
import struct
@ -67,6 +68,8 @@ MSG_WITNESS_TX = MSG_TX | MSG_WITNESS_FLAG
FILTER_TYPE_BASIC = 0
WITNESS_SCALE_FACTOR = 4
# Serialization/deserialization tools
def sha256(s):
return hashlib.new('sha256', s).digest()
@ -537,6 +540,13 @@ class CTransaction:
return False
return True
# Calculate the virtual transaction size using witness and non-witness
# serialization size (does NOT use sigops).
def get_vsize(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)
def __repr__(self):
return "CTransaction(nVersion=%i vin=%s vout=%s wit=%s nLockTime=%i)" \
% (self.nVersion, repr(self.vin), repr(self.vout), repr(self.wit), self.nLockTime)