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test/functional/abc-p2p-compactblocks.py
Show First 20 Lines • Show All 90 Lines • ▼ Show 20 Lines | def run_test(self): | ||||
self.test = TestManager(self, self.options.tmpdir) | self.test = TestManager(self, self.options.tmpdir) | ||||
self.test.add_all_connections(self.nodes) | self.test.add_all_connections(self.nodes) | ||||
# Start up network handling in another thread | # Start up network handling in another thread | ||||
NetworkThread().start() | NetworkThread().start() | ||||
# Set the blocksize to 2MB as initial condition | # Set the blocksize to 2MB as initial condition | ||||
self.nodes[0].setexcessiveblock(self.excessive_block_size) | self.nodes[0].setexcessiveblock(self.excessive_block_size) | ||||
self.test.run() | self.test.run() | ||||
def add_transactions_to_block(self, block, tx_list): | |||||
[tx.rehash() for tx in tx_list] | |||||
block.vtx.extend(tx_list) | |||||
# this is a little handier to use than the version in blocktools.py | # this is a little handier to use than the version in blocktools.py | ||||
def create_tx(self, spend_tx, n, value, script=CScript([OP_TRUE])): | def create_tx(self, spend_tx, n, value, script=CScript([OP_TRUE])): | ||||
tx = create_transaction(spend_tx, n, b"", value, script) | tx = create_transaction(spend_tx, n, b"", value, script) | ||||
return tx | return tx | ||||
def next_block(self, number, spend=None, script=CScript([OP_TRUE]), block_size=0, extra_txns=0): | def next_block(self, number, spend=None, script=CScript([OP_TRUE]), block_size=0, extra_txns=0): | ||||
assert number not in self.blocks | |||||
if self.tip == None: | if self.tip == None: | ||||
base_block_hash = self.genesis_hash | base_block_hash = self.genesis_hash | ||||
block_time = int(time.time()) + 1 | block_time = int(time.time()) + 1 | ||||
else: | else: | ||||
base_block_hash = self.tip.sha256 | base_block_hash = self.tip.sha256 | ||||
block_time = self.tip.nTime + 1 | block_time = self.tip.nTime + 1 | ||||
# First create the coinbase | # First create the coinbase | ||||
height = self.block_heights[base_block_hash] + 1 | height = self.block_heights[base_block_hash] + 1 | ||||
Show All 35 Lines | def next_block(self, number, spend=None, script=CScript([OP_TRUE]), block_size=0, extra_txns=0): | ||||
if script != None: | if script != None: | ||||
tx.vout.append(CTxOut(1, script)) | tx.vout.append(CTxOut(1, script)) | ||||
# Put some random data into the first transaction of the chain to randomize ids. | # Put some random data into the first transaction of the chain to randomize ids. | ||||
tx.vout.append( | tx.vout.append( | ||||
CTxOut(0, CScript([random.randint(0, 256), OP_RETURN]))) | CTxOut(0, CScript([random.randint(0, 256), OP_RETURN]))) | ||||
# Add the transaction to the block | # Add the transaction to the block | ||||
block.vtx.append(tx) | self.add_transactions_to_block(block, [tx]) | ||||
# Add transaction until we reach the expected transaction count | # Add transaction until we reach the expected transaction count | ||||
block.vtx.extend([get_base_transaction() | for _ in range(extra_txns): | ||||
for _ in range(extra_txns)]) | self.add_transactions_to_block(block, [get_base_transaction()]) | ||||
# If we have a block size requirement, just fill | # If we have a block size requirement, just fill | ||||
# the block until we get there | # the block until we get there | ||||
current_block_size = len(block.serialize()) | current_block_size = len(block.serialize()) | ||||
while current_block_size < block_size: | while current_block_size < block_size: | ||||
# We will add a new transaction. That means the size of | # We will add a new transaction. That means the size of | ||||
# the field enumerating how many transaction go in the block | # the field enumerating how many transaction go in the block | ||||
# may change. | # may change. | ||||
Show All 12 Lines | def next_block(self, number, spend=None, script=CScript([OP_TRUE]), block_size=0, extra_txns=0): | ||||
script_length = script_length // 2 | script_length = script_length // 2 | ||||
else: | else: | ||||
script_length = 500000 | script_length = 500000 | ||||
script_output = CScript([b'\x00' * script_length]) | script_output = CScript([b'\x00' * script_length]) | ||||
tx.vout.append(CTxOut(0, script_output)) | tx.vout.append(CTxOut(0, script_output)) | ||||
# Add the tx to the list of transactions to be included | # Add the tx to the list of transactions to be included | ||||
# in the block. | # in the block. | ||||
block.vtx.append(tx) | self.add_transactions_to_block(block, [tx]) | ||||
current_block_size += len(tx.serialize()) | current_block_size += len(tx.serialize()) | ||||
# Now that we added a bunch of transaction, we need to recompute | # Now that we added a bunch of transaction, we need to recompute | ||||
# the merkle root. | # the merkle root. | ||||
make_conform_to_ctor(block) | make_conform_to_ctor(block) | ||||
block.hashMerkleRoot = block.calc_merkle_root() | block.hashMerkleRoot = block.calc_merkle_root() | ||||
# Check that the block size is what's expected | # Check that the block size is what's expected | ||||
if block_size > 0: | if block_size > 0: | ||||
assert_equal(len(block.serialize()), block_size) | assert_equal(len(block.serialize()), block_size) | ||||
# Do PoW, which is cheap on regnet | # Do PoW, which is cheap on regnet | ||||
block.solve() | block.solve() | ||||
self.tip = block | self.tip = block | ||||
self.block_heights[block.sha256] = height | self.block_heights[block.sha256] = height | ||||
assert number not in self.blocks | |||||
self.blocks[number] = block | self.blocks[number] = block | ||||
return block | return block | ||||
def get_tests(self): | def get_tests(self): | ||||
self.genesis_hash = int(self.nodes[0].getbestblockhash(), 16) | self.genesis_hash = int(self.nodes[0].getbestblockhash(), 16) | ||||
self.block_heights[self.genesis_hash] = 0 | self.block_heights[self.genesis_hash] = 0 | ||||
spendable_outputs = [] | spendable_outputs = [] | ||||
▲ Show 20 Lines • Show All 137 Lines • Show Last 20 Lines |