async def check_transaction_receipts(self):
"""
Look for failed transactions, and emit transaction fail event if any are found.
"""
ev_loop: asyncio.BaseEventLoop = asyncio.get_event_loop()
tasks = [
ev_loop.run_in_executor(hummingbot.get_executor(),
self._w3.eth.getTransactionReceipt,
tx_hash)
for tx_hash in self._pending_tx_dict.keys()
]
transaction_receipts: List[AttributeDict] = [
tr for tr in await asyncio.gather(*tasks)
if (tr is not None and tr.get("blockHash") is not None)
]
block_hash_set: Set[HexBytes] = set(tr.blockHash
for tr in transaction_receipts)
fetch_block_tasks = [
ev_loop.run_in_executor(hummingbot.get_executor(),
self._w3.eth.getBlock, block_hash)
for block_hash in block_hash_set
]
blocks: Dict[HexBytes, AttributeDict] = dict(
(block.hash, block)
for block in await asyncio.gather(*fetch_block_tasks)
if block is not None)
for receipt in transaction_receipts:
# Emit gas used event.
tx_hash: str = receipt.transactionHash.hex()
gas_price_wei: int = self._pending_tx_dict[tx_hash]
gas_used: int = receipt.gasUsed
gas_eth_amount_raw: int = gas_price_wei * gas_used
if receipt.blockHash in blocks:
block: AttributeDict = blocks[receipt.blockHash]
if receipt.status == 0:
self.logger().warning(
f"The transaction {tx_hash} has failed.")
self.trigger_event(WalletEvent.TransactionFailure, tx_hash)
self.trigger_event(
WalletEvent.GasUsed,
EthereumGasUsedEvent(float(block.timestamp), tx_hash,
float(gas_price_wei * 1e-9),
gas_price_wei, gas_used,
float(gas_eth_amount_raw * 1e-18),
gas_eth_amount_raw))
# Stop tracking the transaction.
self._stop_tx_tracking(tx_hash)
async def check_transaction_receipts(self):
"""
Look for failed transactions, and emit transaction fail event if any are found.
"""
async_scheduler: AsyncCallScheduler = AsyncCallScheduler.shared_instance(
)
tasks = [
self._check_transaction_receipt(
tx_hash, self._pending_tx_dict[tx_hash]['timestamp'])
for tx_hash in self._pending_tx_dict.keys()
]
transaction_receipts: List[AttributeDict] = [
tr for tr in await safe_gather(*tasks)
if (tr is not None and tr.get("blockHash") is not None)
]
block_hash_set: Set[HexBytes] = set(tr.blockHash
for tr in transaction_receipts)
fetch_block_tasks = [
async_scheduler.call_async(self._w3.eth.getBlock, block_hash)
for block_hash in block_hash_set
]
blocks: Dict[HexBytes, AttributeDict] = dict(
(block.hash, block)
for block in await safe_gather(*fetch_block_tasks)
if block is not None)
for receipt in transaction_receipts:
# Emit gas used event.
tx_hash: str = receipt.transactionHash.hex()
gas_price_wei: int = self._pending_tx_dict[tx_hash]['gas_price']
gas_used: int = receipt.gasUsed
gas_eth_amount_raw: int = gas_price_wei * gas_used
if receipt.blockHash in blocks:
block: AttributeDict = blocks[receipt.blockHash]
if receipt.status == 0:
self.logger().warning(
f"The transaction {tx_hash} has failed.")
self.trigger_event(WalletEvent.TransactionFailure, tx_hash)
self.trigger_event(
WalletEvent.GasUsed,
EthereumGasUsedEvent(float(block.timestamp), tx_hash,
float(gas_price_wei * 1e-9),
gas_price_wei, gas_used,
float(gas_eth_amount_raw * 1e-18),
gas_eth_amount_raw))
# Stop tracking the transaction.
self._stop_tx_tracking(tx_hash)