diff options
Diffstat (limited to 'qa/rpc-tests/p2p-fullblocktest.py')
| -rwxr-xr-x | qa/rpc-tests/p2p-fullblocktest.py | 164 |
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__': |