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-rwxr-xr-xqa/rpc-tests/p2p-fullblocktest.py164
1 files changed, 146 insertions, 18 deletions
diff --git a/qa/rpc-tests/p2p-fullblocktest.py b/qa/rpc-tests/p2p-fullblocktest.py
index 9555940cec..b1e8ca53ee 100755
--- a/qa/rpc-tests/p2p-fullblocktest.py
+++ b/qa/rpc-tests/p2p-fullblocktest.py
@@ -1,21 +1,16 @@
#!/usr/bin/env python2
-
-#
+# Copyright (c) 2015 The Bitcoin Core developers
# Distributed under the MIT/X11 software license, see the accompanying
# file COPYING or http://www.opensource.org/licenses/mit-license.php.
#
from test_framework.test_framework import ComparisonTestFramework
from test_framework.util import *
-from test_framework.comptool import TestManager, TestInstance
-from test_framework.mininode import *
+from test_framework.comptool import TestManager, TestInstance, RejectResult
from test_framework.blocktools import *
-import logging
-import copy
import time
-import numbers
from test_framework.key import CECKey
-from test_framework.script import CScript, CScriptOp, SignatureHash, SIGHASH_ALL, OP_TRUE
+from test_framework.script import CScript, SignatureHash, SIGHASH_ALL, OP_TRUE, OP_FALSE
class PreviousSpendableOutput(object):
def __init__(self, tx = CTransaction(), n = -1):
@@ -122,13 +117,29 @@ class FullBlockTest(ComparisonTestFramework):
return TestInstance([[self.tip, True]])
# returns a test case that asserts that the current tip was rejected
- def rejected():
- return TestInstance([[self.tip, False]])
+ def rejected(reject = None):
+ if reject is None:
+ return TestInstance([[self.tip, False]])
+ else:
+ return TestInstance([[self.tip, reject]])
# move the tip back to a previous block
def tip(number):
self.tip = self.blocks[number]
+ # add transactions to a block produced by next_block
+ def update_block(block_number, new_transactions):
+ block = self.blocks[block_number]
+ old_hash = block.sha256
+ self.add_transactions_to_block(block, new_transactions)
+ block.solve()
+ # Update the internal state just like in next_block
+ self.tip = block
+ self.block_heights[block.sha256] = self.block_heights[old_hash]
+ del self.block_heights[old_hash]
+ self.blocks[block_number] = block
+ return block
+
# creates a new block and advances the tip to that block
block = self.next_block
@@ -141,14 +152,15 @@ class FullBlockTest(ComparisonTestFramework):
# Now we need that block to mature so we can spend the coinbase.
test = TestInstance(sync_every_block=False)
- for i in range(100):
+ for i in range(99):
block(1000 + i)
test.blocks_and_transactions.append([self.tip, True])
save_spendable_output()
yield test
- # Start by bulding a couple of blocks on top (which output is spent is in parentheses):
+ # Start by building a couple of blocks on top (which output is spent is
+ # in parentheses):
# genesis -> b1 (0) -> b2 (1)
out0 = get_spendable_output()
block(1, spend=out0)
@@ -156,8 +168,7 @@ class FullBlockTest(ComparisonTestFramework):
yield accepted()
out1 = get_spendable_output()
- block(2, spend=out1)
- # Inv again, then deliver twice (shouldn't break anything).
+ b2 = block(2, spend=out1)
yield accepted()
@@ -168,8 +179,8 @@ class FullBlockTest(ComparisonTestFramework):
#
# Nothing should happen at this point. We saw b2 first so it takes priority.
tip(1)
- block(3, spend=out1)
- # Deliver twice (should still not break anything)
+ b3 = block(3, spend=out1)
+ txout_b3 = PreviousSpendableOutput(b3.vtx[1], 1)
yield rejected()
@@ -214,7 +225,7 @@ class FullBlockTest(ComparisonTestFramework):
# \-> b3 (1) -> b4 (2)
tip(6)
block(9, spend=out4, additional_coinbase_value=1)
- yield rejected()
+ yield rejected(RejectResult(16, 'bad-cb-amount'))
# Create a fork that ends in a block with too much fee (the one that causes the reorg)
@@ -226,7 +237,7 @@ class FullBlockTest(ComparisonTestFramework):
yield rejected()
block(11, spend=out4, additional_coinbase_value=1)
- yield rejected()
+ yield rejected(RejectResult(16, 'bad-cb-amount'))
# Try again, but with a valid fork first
@@ -252,6 +263,10 @@ class FullBlockTest(ComparisonTestFramework):
yield TestInstance([[b12, True, b13.sha256]]) # New tip should be b13.
+ # Add a block with MAX_BLOCK_SIGOPS and one with one more sigop
+ # genesis -> b1 (0) -> b2 (1) -> b5 (2) -> b6 (3)
+ # \-> b12 (3) -> b13 (4) -> b15 (5) -> b16 (6)
+ # \-> b3 (1) -> b4 (2)
# Test that a block with a lot of checksigs is okay
lots_of_checksigs = CScript([OP_CHECKSIG] * (1000000 / 50 - 1))
@@ -264,8 +279,121 @@ class FullBlockTest(ComparisonTestFramework):
out6 = get_spendable_output()
too_many_checksigs = CScript([OP_CHECKSIG] * (1000000 / 50))
block(16, spend=out6, script=too_many_checksigs)
+ yield rejected(RejectResult(16, 'bad-blk-sigops'))
+
+
+ # Attempt to spend a transaction created on a different fork
+ # genesis -> b1 (0) -> b2 (1) -> b5 (2) -> b6 (3)
+ # \-> b12 (3) -> b13 (4) -> b15 (5) -> b17 (b3.vtx[1])
+ # \-> b3 (1) -> b4 (2)
+ tip(15)
+ block(17, spend=txout_b3)
+ yield rejected(RejectResult(16, 'bad-txns-inputs-missingorspent'))
+
+ # Attempt to spend a transaction created on a different fork (on a fork this time)
+ # genesis -> b1 (0) -> b2 (1) -> b5 (2) -> b6 (3)
+ # \-> b12 (3) -> b13 (4) -> b15 (5)
+ # \-> b18 (b3.vtx[1]) -> b19 (6)
+ # \-> b3 (1) -> b4 (2)
+ tip(13)
+ block(18, spend=txout_b3)
yield rejected()
+ block(19, spend=out6)
+ yield rejected()
+
+ # Attempt to spend a coinbase at depth too low
+ # genesis -> b1 (0) -> b2 (1) -> b5 (2) -> b6 (3)
+ # \-> b12 (3) -> b13 (4) -> b15 (5) -> b20 (7)
+ # \-> b3 (1) -> b4 (2)
+ tip(15)
+ out7 = get_spendable_output()
+ block(20, spend=out7)
+ yield rejected(RejectResult(16, 'bad-txns-premature-spend-of-coinbase'))
+
+ # Attempt to spend a coinbase at depth too low (on a fork this time)
+ # genesis -> b1 (0) -> b2 (1) -> b5 (2) -> b6 (3)
+ # \-> b12 (3) -> b13 (4) -> b15 (5)
+ # \-> b21 (6) -> b22 (5)
+ # \-> b3 (1) -> b4 (2)
+ tip(13)
+ block(21, spend=out6)
+ yield rejected()
+
+ block(22, spend=out5)
+ yield rejected()
+
+ # Create a block on either side of MAX_BLOCK_SIZE 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)
+ tip(15)
+ b23 = block(23, spend=out6)
+ old_hash = b23.sha256
+ tx = CTransaction()
+ script_length = MAX_BLOCK_SIZE - len(b23.serialize()) - 69
+ script_output = CScript([chr(0)*script_length])
+ tx.vout.append(CTxOut(0, script_output))
+ tx.vin.append(CTxIn(COutPoint(b23.vtx[1].sha256, 1)))
+ b23 = update_block(23, [tx])
+ # Make sure the math above worked out to produce a max-sized block
+ assert_equal(len(b23.serialize()), MAX_BLOCK_SIZE)
+ yield accepted()
+
+ # Make the next block one byte bigger and check that it fails
+ tip(15)
+ b24 = block(24, spend=out6)
+ script_length = MAX_BLOCK_SIZE - len(b24.serialize()) - 69
+ script_output = CScript([chr(0)*(script_length+1)])
+ tx.vout = [CTxOut(0, script_output)]
+ b24 = update_block(24, [tx])
+ assert_equal(len(b24.serialize()), MAX_BLOCK_SIZE+1)
+ yield rejected(RejectResult(16, 'bad-blk-length'))
+
+ b25 = block(25, spend=out7)
+ yield rejected()
+
+ # Create blocks with a coinbase input script size out of range
+ # genesis -> b1 (0) -> b2 (1) -> b5 (2) -> b6 (3)
+ # \-> b12 (3) -> b13 (4) -> b15 (5) -> b23 (6) -> b30 (7)
+ # \-> ... (6) -> ... (7)
+ # \-> b3 (1) -> b4 (2)
+ tip(15)
+ b26 = block(26, spend=out6)
+ b26.vtx[0].vin[0].scriptSig = chr(0)
+ b26.vtx[0].rehash()
+ # update_block causes the merkle root to get updated, even with no new
+ # transactions, and updates the required state.
+ b26 = update_block(26, [])
+ yield rejected(RejectResult(16, 'bad-cb-length'))
+
+ # Extend the b26 chain to make sure bitcoind isn't accepting b26
+ b27 = block(27, spend=out7)
+ yield rejected()
+
+ # Now try a too-large-coinbase script
+ tip(15)
+ b28 = block(28, spend=out6)
+ b28.vtx[0].vin[0].scriptSig = chr(0)*101
+ b28.vtx[0].rehash()
+ b28 = update_block(28, [])
+ yield rejected(RejectResult(16, 'bad-cb-length'))
+
+ # Extend the b28 chain to make sure bitcoind isn't accepted b28
+ b29 = block(29, spend=out7)
+ # TODO: Should get a reject message back with "bad-prevblk", except
+ # there's a bug that prevents this from being detected. Just note
+ # failure for now, and add the reject result later.
+ yield rejected()
+
+ # b30 has a max-sized coinbase scriptSig.
+ tip(23)
+ b30 = block(30)
+ b30.vtx[0].vin[0].scriptSig = chr(0)*100
+ b30.vtx[0].rehash()
+ b30 = update_block(30, [])
+ yield accepted()
if __name__ == '__main__':