diff options
Diffstat (limited to 'test/functional/feature_block.py')
| -rwxr-xr-x | test/functional/feature_block.py | 115 |
1 files changed, 79 insertions, 36 deletions
diff --git a/test/functional/feature_block.py b/test/functional/feature_block.py index ce353b2272..c74270febc 100755 --- a/test/functional/feature_block.py +++ b/test/functional/feature_block.py @@ -74,11 +74,15 @@ class CBrokenBlock(CBlock): def normal_serialize(self): return super().serialize() + +DUPLICATE_COINBASE_SCRIPT_SIG = b'\x01\x78' # Valid for block at height 120 + + class FullBlockTest(BitcoinTestFramework): def set_test_params(self): self.num_nodes = 1 self.setup_clean_chain = True - self.extra_args = [[]] + self.extra_args = [['-acceptnonstdtxn=1']] # This is a consensus block test, we don't care about tx policy def run_test(self): node = self.nodes[0] # convenience reference to the node @@ -96,6 +100,13 @@ class FullBlockTest(BitcoinTestFramework): self.spendable_outputs = [] # Create a new block + b_dup_cb = self.next_block('dup_cb') + b_dup_cb.vtx[0].vin[0].scriptSig = DUPLICATE_COINBASE_SCRIPT_SIG + b_dup_cb.vtx[0].rehash() + duplicate_tx = b_dup_cb.vtx[0] + b_dup_cb = self.update_block('dup_cb', []) + self.send_blocks([b_dup_cb]) + b0 = self.next_block(0) self.save_spendable_output() self.send_blocks([b0]) @@ -486,6 +497,14 @@ class FullBlockTest(BitcoinTestFramework): tx_last = tx_new b39_outputs += 1 + # The accounting in the loop above can be off, because it misses the + # compact size encoding of the number of transactions in the block. + # 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): + del b39.vtx[-1] + b39 = self.update_block(39, []) self.send_blocks([b39], True) self.save_spendable_output() @@ -750,7 +769,7 @@ class FullBlockTest(BitcoinTestFramework): # Test a few invalid tx types # - # -> b35 (10) -> b39 (11) -> b42 (12) -> b43 (13) -> b53 (14) -> b55 (15) -> b57 (16) -> b60 (17) + # -> b35 (10) -> b39 (11) -> b42 (12) -> b43 (13) -> b53 (14) -> b55 (15) -> b57 (16) -> b60 () # \-> ??? (17) # @@ -776,14 +795,14 @@ class FullBlockTest(BitcoinTestFramework): # reset to good chain self.move_tip(57) - b60 = self.next_block(60, spend=out[17]) + b60 = self.next_block(60) self.send_blocks([b60], True) self.save_spendable_output() - # Test BIP30 + # Test BIP30 (reject duplicate) # - # -> b39 (11) -> b42 (12) -> b43 (13) -> b53 (14) -> b55 (15) -> b57 (16) -> b60 (17) - # \-> b61 (18) + # -> b39 (11) -> b42 (12) -> b43 (13) -> b53 (14) -> b55 (15) -> b57 (16) -> b60 () + # \-> b61 () # # Blocks are not allowed to contain a transaction whose id matches that of an earlier, # not-fully-spent transaction in the same chain. To test, make identical coinbases; @@ -791,20 +810,44 @@ class FullBlockTest(BitcoinTestFramework): # self.log.info("Reject a block with a transaction with a duplicate hash of a previous transaction (BIP30)") self.move_tip(60) - b61 = self.next_block(61, spend=out[18]) - b61.vtx[0].vin[0].scriptSig = b60.vtx[0].vin[0].scriptSig # Equalize the coinbases + b61 = self.next_block(61) + b61.vtx[0].vin[0].scriptSig = DUPLICATE_COINBASE_SCRIPT_SIG b61.vtx[0].rehash() b61 = self.update_block(61, []) - assert_equal(b60.vtx[0].serialize(), b61.vtx[0].serialize()) + assert_equal(duplicate_tx.serialize(), b61.vtx[0].serialize()) self.send_blocks([b61], success=False, reject_reason='bad-txns-BIP30', reconnect=True) + # Test BIP30 (allow duplicate if spent) + # + # -> b57 (16) -> b60 () + # \-> b_spend_dup_cb (b_dup_cb) -> b_dup_2 () + # + self.move_tip(57) + b_spend_dup_cb = self.next_block('spend_dup_cb') + tx = CTransaction() + tx.vin.append(CTxIn(COutPoint(duplicate_tx.sha256, 0))) + tx.vout.append(CTxOut(0, CScript([OP_TRUE]))) + self.sign_tx(tx, duplicate_tx) + tx.rehash() + b_spend_dup_cb = self.update_block('spend_dup_cb', [tx]) + + b_dup_2 = self.next_block('dup_2') + b_dup_2.vtx[0].vin[0].scriptSig = DUPLICATE_COINBASE_SCRIPT_SIG + b_dup_2.vtx[0].rehash() + b_dup_2 = self.update_block('dup_2', []) + assert_equal(duplicate_tx.serialize(), b_dup_2.vtx[0].serialize()) + assert_equal(self.nodes[0].gettxout(txid=duplicate_tx.hash, n=0)['confirmations'], 119) + self.send_blocks([b_spend_dup_cb, b_dup_2], success=True) + # The duplicate has less confirmations + assert_equal(self.nodes[0].gettxout(txid=duplicate_tx.hash, n=0)['confirmations'], 1) + # Test tx.isFinal is properly rejected (not an exhaustive tx.isFinal test, that should be in data-driven transaction tests) # - # -> b39 (11) -> b42 (12) -> b43 (13) -> b53 (14) -> b55 (15) -> b57 (16) -> b60 (17) - # \-> b62 (18) + # -> b_spend_dup_cb (b_dup_cb) -> b_dup_2 () + # \-> b62 (18) # self.log.info("Reject a block with a transaction with a nonfinal locktime") - self.move_tip(60) + self.move_tip('dup_2') b62 = self.next_block(62) tx = CTransaction() tx.nLockTime = 0xffffffff # this locktime is non-final @@ -817,11 +860,11 @@ class FullBlockTest(BitcoinTestFramework): # Test a non-final coinbase is also rejected # - # -> b39 (11) -> b42 (12) -> b43 (13) -> b53 (14) -> b55 (15) -> b57 (16) -> b60 (17) - # \-> b63 (-) + # -> b_spend_dup_cb (b_dup_cb) -> b_dup_2 () + # \-> b63 (-) # self.log.info("Reject a block with a coinbase transaction with a nonfinal locktime") - self.move_tip(60) + self.move_tip('dup_2') b63 = self.next_block(63) b63.vtx[0].nLockTime = 0xffffffff b63.vtx[0].vin[0].nSequence = 0xDEADBEEF @@ -837,14 +880,14 @@ class FullBlockTest(BitcoinTestFramework): # What matters is that the receiving node should not reject the bloated block, and then reject the canonical # block on the basis that it's the same as an already-rejected block (which would be a consensus failure.) # - # -> b39 (11) -> b42 (12) -> b43 (13) -> b53 (14) -> b55 (15) -> b57 (16) -> b60 (17) -> b64 (18) - # \ - # b64a (18) + # -> b_spend_dup_cb (b_dup_cb) -> b_dup_2 () -> b64 (18) + # \ + # b64a (18) # b64a is a bloated block (non-canonical varint) # b64 is a good block (same as b64 but w/ canonical varint) # self.log.info("Accept a valid block even if a bloated version of the block has previously been sent") - self.move_tip(60) + self.move_tip('dup_2') regular_block = self.next_block("64a", spend=out[18]) # make it a "broken_block," with non-canonical serialization @@ -870,7 +913,7 @@ class FullBlockTest(BitcoinTestFramework): node.disconnect_p2ps() self.reconnect_p2p() - self.move_tip(60) + self.move_tip('dup_2') b64 = CBlock(b64a) b64.vtx = copy.deepcopy(b64a.vtx) assert_equal(b64.hash, b64a.hash) @@ -882,7 +925,7 @@ class FullBlockTest(BitcoinTestFramework): # Spend an output created in the block itself # - # -> b42 (12) -> b43 (13) -> b53 (14) -> b55 (15) -> b57 (16) -> b60 (17) -> b64 (18) -> b65 (19) + # -> b_dup_2 () -> b64 (18) -> b65 (19) # self.log.info("Accept a block with a transaction spending an output created in the same block") self.move_tip(64) @@ -895,8 +938,8 @@ class FullBlockTest(BitcoinTestFramework): # Attempt to spend an output created later in the same block # - # -> b43 (13) -> b53 (14) -> b55 (15) -> b57 (16) -> b60 (17) -> b64 (18) -> b65 (19) - # \-> b66 (20) + # -> b64 (18) -> b65 (19) + # \-> b66 (20) self.log.info("Reject a block with a transaction spending an output created later in the same block") self.move_tip(65) b66 = self.next_block(66) @@ -907,8 +950,8 @@ class FullBlockTest(BitcoinTestFramework): # Attempt to double-spend a transaction created in a block # - # -> b43 (13) -> b53 (14) -> b55 (15) -> b57 (16) -> b60 (17) -> b64 (18) -> b65 (19) - # \-> b67 (20) + # -> b64 (18) -> b65 (19) + # \-> b67 (20) # # self.log.info("Reject a block with a transaction double spending a transaction created in the same block") @@ -922,8 +965,8 @@ class FullBlockTest(BitcoinTestFramework): # More tests of block subsidy # - # -> b43 (13) -> b53 (14) -> b55 (15) -> b57 (16) -> b60 (17) -> b64 (18) -> b65 (19) -> b69 (20) - # \-> b68 (20) + # -> b64 (18) -> b65 (19) -> b69 (20) + # \-> b68 (20) # # b68 - coinbase with an extra 10 satoshis, # creates a tx that has 9 satoshis from out[20] go to fees @@ -949,8 +992,8 @@ class FullBlockTest(BitcoinTestFramework): # Test spending the outpoint of a non-existent transaction # - # -> b53 (14) -> b55 (15) -> b57 (16) -> b60 (17) -> b64 (18) -> b65 (19) -> b69 (20) - # \-> b70 (21) + # -> b65 (19) -> b69 (20) + # \-> b70 (21) # self.log.info("Reject a block containing a transaction spending from a non-existent input") self.move_tip(69) @@ -965,8 +1008,8 @@ class FullBlockTest(BitcoinTestFramework): # Test accepting an invalid block which has the same hash as a valid one (via merkle tree tricks) # - # -> b53 (14) -> b55 (15) -> b57 (16) -> b60 (17) -> b64 (18) -> b65 (19) -> b69 (20) -> b72 (21) - # \-> b71 (21) + # -> b65 (19) -> b69 (20) -> b72 (21) + # \-> b71 (21) # # b72 is a good block. # b71 is a copy of 72, but re-adds one of its transactions. However, it has the same hash as b72. @@ -994,8 +1037,8 @@ class FullBlockTest(BitcoinTestFramework): # Test some invalid scripts and MAX_BLOCK_SIGOPS # - # -> b55 (15) -> b57 (16) -> b60 (17) -> b64 (18) -> b65 (19) -> b69 (20) -> b72 (21) - # \-> b** (22) + # -> b69 (20) -> b72 (21) + # \-> b** (22) # # b73 - tx with excessive sigops that are placed after an excessively large script element. @@ -1218,7 +1261,7 @@ class FullBlockTest(BitcoinTestFramework): self.save_spendable_output() spend = self.get_spendable_output() - self.send_blocks(blocks, True, timeout=480) + self.send_blocks(blocks, True, timeout=960) chain1_tip = i # now create alt chain of same length @@ -1230,14 +1273,14 @@ class FullBlockTest(BitcoinTestFramework): # extend alt chain to trigger re-org block = self.next_block("alt" + str(chain1_tip + 1), version=4) - self.send_blocks([block], True, timeout=480) + self.send_blocks([block], True, timeout=960) # ... and re-org back to the first chain self.move_tip(chain1_tip) block = self.next_block(chain1_tip + 1, version=4) self.send_blocks([block], False, force_send=True) block = self.next_block(chain1_tip + 2, version=4) - self.send_blocks([block], True, timeout=480) + self.send_blocks([block], True, timeout=960) self.log.info("Reject a block with an invalid block header version") b_v1 = self.next_block('b_v1', version=1) |