def test_get_epoch_receipts(self):
parent_hash = self.block_by_epoch("latest_mined")['hash']
start_nonce = self.get_nonce(self.GENESIS_ADDR)
# generate epoch of 2 block with transactions in each block
# NOTE: we need `C` to ensure that the top fork is heavier
# --- --- ---
# .- | A | <--- | C | <--- | D | <--- ...
# --- | --- --- ---
# ... <--- | P | <-* .
# --- | --- .
# .- | B | <..................
# ---
txs = [
self.new_tx(receiver=self.rand_addr(), nonce=start_nonce + ii)
for ii in range(NUM_TXS)
]
txs1 = txs[:NUM_TXS // 2]
txs2 = txs[NUM_TXS // 2:]
block_a = self.generate_custom_block(parent_hash=parent_hash,
referee=[],
txs=[])
block_b = self.generate_custom_block(parent_hash=parent_hash,
referee=[],
txs=txs1)
block_c = self.generate_custom_block(parent_hash=block_a,
referee=[],
txs=[])
block_d = self.generate_custom_block(parent_hash=block_c,
referee=[block_b],
txs=txs2)
# make sure transactions have been executed
parent_hash = block_d
for _ in range(5):
block = self.generate_custom_block(parent_hash=parent_hash,
referee=[],
txs=[])
parent_hash = block
# retrieve epoch receipts
epoch = self.block_by_hash(block_d)['height']
receipts = self.node.cfx_getEpochReceipts(epoch)
assert_ne(receipts, None)
assert_equal(len(receipts), 2)
assert_equal(len(receipts[0]), NUM_TXS // 2)
assert_equal(len(receipts[1]), NUM_TXS // 2)
def test_simple_receipt(self):
to = self.rand_addr()
tx = self.new_tx(receiver=to)
tx_hash = self.send_tx(tx, wait_for_receipt=True)
tx2 = self.get_tx(tx_hash)
receipt = self.get_transaction_receipt(tx_hash)
assert_ne(receipt, None)
assert_equal(receipt['blockHash'], tx2['blockHash'])
assert_equal(receipt['contractCreated'], tx2['contractCreated'])
assert_equal(receipt['from'], tx2['from'])
assert_equal(receipt['index'], tx2['transactionIndex'])
assert_equal(receipt['to'], tx2['to'])
assert_equal(receipt['transactionHash'], tx_hash)
assert_equal(receipt['gasCoveredBySponsor'], False)
assert_equal(receipt['logs'], [])
assert_equal(receipt['outcomeStatus'], '0x0')
assert_equal(receipt['storageCollateralized'], '0x0')
assert_equal(receipt['storageCoveredBySponsor'], False)
assert_equal(receipt['storageReleased'], [])
assert_equal(receipt['txExecErrorMsg'], None)
def test_get_epoch_receipts(self):
parent_hash = self.block_by_epoch("latest_mined")['hash']
start_nonce = self.get_nonce(self.GENESIS_ADDR)
# generate epoch of 2 block with transactions in each block
# NOTE: we need `C` to ensure that the top fork is heavier
# --- --- ---
# .- | A | <--- | C | <--- | D | <--- ...
# --- | --- --- ---
# ... <--- | P | <-* .
# --- | --- .
# .- | B | <..................
# ---
txs = [
self.new_tx(receiver=self.rand_addr(), nonce=start_nonce + ii)
for ii in range(NUM_TXS)
]
txs1 = txs[:NUM_TXS // 2]
txs2 = txs[NUM_TXS // 2:]
block_a = self.generate_custom_block(parent_hash=parent_hash,
referee=[],
txs=[])
block_b = self.generate_custom_block(parent_hash=parent_hash,
referee=[],
txs=txs1)
block_c = self.generate_custom_block(parent_hash=block_a,
referee=[],
txs=[])
block_d = self.generate_custom_block(parent_hash=block_c,
referee=[block_b],
txs=txs2)
# not executed yet, no epoch receipts
epoch_d = self.block_by_hash(block_d)['height']
assert_equal(self.node.cfx_getEpochReceipts(epoch_d), None)
assert_equal(self.node.cfx_getEpochReceipts(f'hash:{block_d}'), None)
# make sure transactions have been executed
parent_hash = block_d
for _ in range(5):
block = self.generate_custom_block(parent_hash=parent_hash,
referee=[],
txs=[])
parent_hash = block
# retrieve epoch receipts
receipts = self.node.cfx_getEpochReceipts(epoch_d)
assert_ne(receipts, None)
assert_equal(len(receipts), 2)
assert_equal(len(receipts[0]), NUM_TXS // 2)
assert_equal(len(receipts[1]), NUM_TXS // 2)
# retrieve epoch receipts by pivot hash
receipts2 = self.node.cfx_getEpochReceipts(f'hash:{block_d}')
assert_equal(receipts2, receipts)
# request with non-pivot block hash should fail
assert_raises_rpc_error(None, None, self.node.cfx_getEpochReceipts,
f'hash:{block_b}')
# request with nonexistent block hash should fail
assert_raises_rpc_error(
None, None, self.node.cfx_getEpochReceipts,
f'hash:0x66e365b5bbd53bc26fd306fd7c65290b2b13c165d7cae816b651e7fcf2646f37'
)
async def run_async(self):
priv_key = default_config["GENESIS_PRI_KEY"]
sender = eth_utils.encode_hex(priv_to_addr(priv_key))
# deploy two instances of the contract
bytecode_file = os.path.join(
os.path.dirname(os.path.realpath(__file__)), CONTRACT_PATH)
assert (os.path.isfile(bytecode_file))
bytecode = open(bytecode_file).read()
_, contract1 = self.deploy_contract(sender, priv_key, bytecode)
_, contract2 = self.deploy_contract(sender, priv_key, bytecode)
# subscribe
sub_all = await self.pubsub[FULLNODE1].subscribe("logs")
sub_one = await self.pubsub[FULLNODE1].subscribe(
"logs",
Filter(address=[contract2]).__dict__)
# call contracts and collect receipts
receipts = []
for _ in range(NUM_CALLS):
r = self.call_contract(sender, priv_key, contract1, FOO_TOPIC)
assert (r != None)
receipts.append(r)
r = self.call_contract(sender, priv_key, contract2, FOO_TOPIC)
receipts.append(r)
assert (r != None)
# make sure the pub-sub layer processes the logs
self.rpc[FULLNODE0].generate_blocks(20)
sync_blocks(self.nodes)
# collect pub-sub notifications
logs1 = [l async for l in sub_all.iter()]
logs2 = [l async for l in sub_one.iter()]
assert_equal(len(logs1), 2 * NUM_CALLS)
assert_equal(len(logs2), NUM_CALLS)
self.log.info(f"Pass -- retrieved logs with no fork")
# create alternative fork
old_tip = self.rpc[FULLNODE0].best_block_hash()
old_tip_epoch = self.rpc[FULLNODE0].epoch_number()
fork_hash = receipts[len(receipts) // 2]["blockHash"]
fork_epoch = int(receipts[len(receipts) // 2]["epochNumber"], 16)
self.log.info(f"Creating fork at {fork_hash[:20]}... (#{fork_epoch})")
new_tip = self.generate_chain(fork_hash,
2 * (old_tip_epoch - fork_epoch))[-1]
new_tip = self.rpc[FULLNODE0].generate_block_with_parent(
new_tip, referee=[old_tip])
new_tip = self.generate_chain(new_tip, 20)[-1]
new_tip_epoch = self.rpc[FULLNODE0].epoch_number()
sync_blocks(self.nodes)
self.log.info(
f"Tip: {old_tip[:20]}... (#{old_tip_epoch}) --> {new_tip[:20]}... (#{new_tip_epoch})"
)
# block order changed, some transactions need to be re-executed
num_to_reexecute = sum(1 for r in receipts
if int(r["epochNumber"], 16) > fork_epoch)
msg = await sub_all.next(timeout=5)
assert (msg["revertTo"] != None)
assert_equal(int(msg["revertTo"], 16), fork_epoch)
logs = [l async for l in sub_all.iter()]
assert_equal(len(logs), num_to_reexecute)
self.log.info(f"Pass -- retrieved re-executed logs after fork")
# create one transaction that is mined but not executed yet
sync_blocks(self.nodes)
tx = self.rpc[FULLNODE0].new_contract_tx(receiver=contract1,
data_hex=FOO_TOPIC,
sender=sender,
priv_key=priv_key,
storage_limit=20000)
assert_equal(self.rpc[FULLNODE0].send_tx(tx, wait_for_receipt=False),
tx.hash_hex())
self.rpc[FULLNODE0].generate_block(num_txs=1)
receipt = self.rpc[FULLNODE0].get_transaction_receipt(tx.hash_hex())
assert_equal(receipt, None)
time.sleep(1)
# mine more blocks, the transaction is now executed
self.rpc[FULLNODE0].generate_blocks(4)
receipt = self.rpc[FULLNODE0].get_transaction_receipt(tx.hash_hex())
assert_ne(receipt, None)
# make sure the pub-sub layer processes the logs
self.rpc[FULLNODE0].generate_blocks(20)
sync_blocks(self.nodes)
# this would timeout before #1989 was fixed
await sub_all.next()
self.log.info(f"Pass -- test #1989 fix")