async def _remove_position(self, hb_id: str, token_id: str, reducePercent: Decimal):
"""
Calls add position end point to create/increase a range position.
:param hb_id: Internal Hummingbot id
:param token_id: The token id of position to be increased
:param reducePercent: The percentage of liquidity to remove from position with the specified token id
"""
tracked_pos = self._in_flight_positions.get(hb_id)
await tracked_pos.get_last_tx_hash()
tracked_pos.last_status = UniswapV3PositionStatus.PENDING_REMOVE
tracked_pos.update_last_tx_hash(None)
try:
result = await self._api_request("post",
"eth/uniswap/v3/remove-position",
{"tokenId": token_id, "reducePercent": reducePercent})
hash = result.get("hash")
action = "removal of" if reducePercent == Decimal("100.0") else \
f"{reducePercent}% reduction of liquidity for"
self.logger().info(f"Initiated {action} of position with ID - {token_id}.")
tracked_pos.update_last_tx_hash(hash)
self.trigger_event(MarketEvent.RangePositionUpdated,
RangePositionUpdatedEvent(self.current_timestamp, tracked_pos.hb_id,
tracked_pos.last_tx_hash, tracked_pos.token_id,
tracked_pos.base_amount, tracked_pos.quote_amount,
tracked_pos.last_status.name))
except Exception as e:
# self.stop_tracking_position(hb_id)
self.logger().network(
f"Error removing range position, token_id: {token_id}, hb_id: {hb_id}",
exc_info=True,
app_warning_msg=str(e)
)
self.trigger_event(MarketEvent.RangePositionFailure,
RangePositionFailureEvent(self.current_timestamp, hb_id))
async def _remove_position(self, hb_id: str, token_id: str):
tracked_pos = self._in_flight_positions.get(hb_id)
await tracked_pos.get_last_tx_hash()
tracked_pos.last_status = UniswapV3PositionStatus.PENDING_REMOVE
tracked_pos.update_last_tx_hash(None)
try:
result = await self._api_request("post",
"eth/uniswap/v3/remove-position",
{"tokenId": token_id})
hash = result.get("hash")
self.logger().info(
f"Initiated removal of position with ID - {token_id}.")
tracked_pos.update_last_tx_hash(hash)
self.trigger_event(
MarketEvent.RangePositionUpdated,
RangePositionUpdatedEvent(
self.current_timestamp, tracked_pos.hb_id,
tracked_pos.last_tx_hash, tracked_pos.token_id,
tracked_pos.base_amount, tracked_pos.quote_amount,
tracked_pos.last_status.name))
except Exception as e:
# self.stop_tracking_position(hb_id)
self.logger().network(
f"Error removing range position, token_id: {token_id}, hb_id: {hb_id}",
exc_info=True,
app_warning_msg=str(e))
self.trigger_event(
MarketEvent.RangePositionFailure,
RangePositionFailureEvent(self.current_timestamp, hb_id))
async def _replace_position(self, hb_id: str, token_id: str,
trading_pair: str, fee_tier: Decimal,
base_amount: Decimal, quote_amount: Decimal,
lower_price: Decimal, upper_price: Decimal):
"""
Calls add position end point to create a new range position.
:param hb_id: Internal Hummingbot id
:param trading_pair: The market trading pair of the pool
:param fee_tier: The expected fee
:param base_amount: The amount of base token to put into the pool
:param lower_price: The lower bound of the price range
:param upper_price: The upper bound of the price range
"""
base_amount = self.quantize_order_amount(trading_pair, base_amount)
quote_amount = self.quantize_order_amount(trading_pair, quote_amount)
lower_price = self.quantize_order_price(trading_pair, lower_price)
upper_price = self.quantize_order_price(trading_pair, upper_price)
base, quote = trading_pair.split("-")
tracked_pos = self._in_flight_positions.get(hb_id)
await tracked_pos.get_last_tx_hash()
tracked_pos.last_status = UniswapV3PositionStatus.PENDING_REMOVE
tracked_pos.update_last_tx_hash(None)
new_hb_id = f"{trading_pair}-{get_tracking_nonce()}"
self.start_tracking_position(new_hb_id, trading_pair, fee_tier,
base_amount, quote_amount, lower_price,
upper_price)
try:
order_result = await self._api_request(
"post", "eth/uniswap/v3/replace-position", {
"tokenId": token_id,
"token0": base,
"token1": quote,
"fee": str(fee_tier),
"lowerPrice": str(lower_price),
"upperPrice": str(upper_price),
"amount0": str(base_amount),
"amount1": str(quote_amount),
})
tracked_pos = self._in_flight_positions.get(new_hb_id)
tracked_pos.token_id = order_result.get("tokenId")
tracked_pos.gas_price = Decimal(str(order_result.get("gasPrice")))
tracked_pos.update_last_tx_hash(order_result.get("hash"))
self.logger().info(
f"Initiated replacement of position with ID - {token_id}.")
except Exception as e:
self.stop_tracking_order(hb_id)
self.logger().network(
f"Error replacing range position to Uniswap with ID - {token_id} "
f"hb_id: {hb_id}",
exc_info=True,
app_warning_msg=str(e))
self.trigger_event(
MarketEvent.RangePositionFailure,
RangePositionFailureEvent(self.current_timestamp, hb_id))
async def _add_position(self,
hb_id: str,
trading_pair: str,
fee_tier: str,
base_amount: Decimal,
quote_amount: Decimal,
lower_price: Decimal,
upper_price: Decimal,
token_id: int):
"""
Calls add position end point to create/increase a range position.
:param hb_id: Internal Hummingbot id
:param trading_pair: The market trading pair of the pool
:param fee_tier: The expected fee
:param base_amount: The amount of base token to put into the pool
:param lower_price: The lower bound of the price range
:param upper_price: The upper bound of the price range
:param token_id: The token id of position to be increased
"""
base_amount = self.quantize_order_amount(trading_pair, base_amount)
quote_amount = self.quantize_order_amount(trading_pair, quote_amount)
lower_price = self.quantize_order_price(trading_pair, lower_price)
upper_price = self.quantize_order_price(trading_pair, upper_price)
base, quote = trading_pair.split("-")
api_params = {"token0": base,
"token1": quote,
"fee": fee_tier,
"lowerPrice": str(lower_price),
"upperPrice": str(upper_price),
"amount0": str(base_amount),
"amount1": str(quote_amount),
"tokenId": token_id
}
self.start_tracking_position(hb_id, trading_pair, fee_tier, base_amount, quote_amount,
lower_price, upper_price)
try:
order_result = await self._api_request("post", "eth/uniswap/v3/add-position", api_params)
tracked_pos = self._in_flight_positions[hb_id]
tx_hash = order_result["hash"]
tracked_pos.update_last_tx_hash(tx_hash)
tracked_pos.gas_price = order_result.get("gasPrice")
tracked_pos.last_status = UniswapV3PositionStatus.PENDING_CREATE
self.logger().info(f"Adding liquidity for {trading_pair}, hb_id: {hb_id}, tx_hash: {tx_hash} "
f"amount: {base_amount} ({base}), "
f"range: {lower_price} - {upper_price}")
self.trigger_event(
MarketEvent.RangePositionInitiated,
RangePositionInitiatedEvent(
timestamp=self.current_timestamp,
hb_id=hb_id,
tx_hash=tx_hash,
trading_pair=trading_pair,
fee_tier=fee_tier,
lower_price=lower_price,
upper_price=upper_price,
base_amount=base_amount,
quote_amount=quote_amount,
gas_price=tracked_pos.gas_price,
status=UniswapV3PositionStatus.PENDING_CREATE.name,
)
)
except Exception as e:
self.stop_tracking_order(hb_id)
self.logger().network(
f"Error submitting range position to Uniswap V3 for {trading_pair} "
f"hb_id: {hb_id},"
f"amount: {base_amount} ({base}) {quote_amount}) ({quote}), "
f"range: {lower_price} - {upper_price}",
exc_info=True,
app_warning_msg=str(e)
)
self.trigger_event(MarketEvent.RangePositionFailure,
RangePositionFailureEvent(self.current_timestamp, hb_id))
async def update_lp_order(self, update_result: Dict[str, any], tracked_pos: UniswapV3InFlightPosition):
"""
Unlike swap orders, lp orders only stop tracking when a remove position is detected.
"""
if update_result.get("confirmed", False):
if update_result["receipt"].get("status", 0) == 1:
transaction_results = await self._api_request("post",
"eth/uniswap/v3/result",
{"logs": json.dumps(update_result["receipt"]["logs"]),
"pair": tracked_pos.trading_pair})
for result in transaction_results["info"]:
if result["name"] == "IncreaseLiquidity" and tracked_pos.last_status == UniswapV3PositionStatus.PENDING_CREATE:
token_id, amount0, amount1 = self.parse_liquidity_events(result["events"],
transaction_results["baseDecimal"],
transaction_results["quoteDecimal"])
tracked_pos.token_id = token_id
tracked_pos.base_amount = amount0
tracked_pos.quote_amount = amount1
tracked_pos.last_status = UniswapV3PositionStatus.OPEN
self.logger().info(f"Liquidity added for tokenID - {token_id}.")
self.trigger_event(MarketEvent.RangePositionUpdated,
RangePositionUpdatedEvent(self.current_timestamp,
tracked_pos.hb_id,
tracked_pos.last_tx_hash,
tracked_pos.token_id,
tracked_pos.base_amount,
tracked_pos.quote_amount,
tracked_pos.last_status.name
))
self.trigger_event(MarketEvent.RangePositionCreated,
RangePositionCreatedEvent(self.current_timestamp,
tracked_pos.hb_id,
tracked_pos.last_tx_hash,
tracked_pos.token_id,
tracked_pos.trading_pair,
tracked_pos.fee_tier,
tracked_pos.lower_price,
tracked_pos.upper_price,
tracked_pos.base_amount,
tracked_pos.quote_amount,
tracked_pos.last_status.name,
tracked_pos.gas_price
))
elif result["name"] == "DecreaseLiquidity" and tracked_pos.last_status == UniswapV3PositionStatus.PENDING_REMOVE:
token_id, amount0, amount1 = self.parse_liquidity_events(result["events"],
transaction_results["baseDecimal"],
transaction_results["quoteDecimal"])
tracked_pos.token_id = token_id
tracked_pos.last_status = UniswapV3PositionStatus.REMOVED
self.logger().info(f"Liquidity decreased for tokenID - {token_id}.")
self.trigger_event(MarketEvent.RangePositionUpdated,
RangePositionUpdatedEvent(self.current_timestamp,
tracked_pos.hb_id,
tracked_pos.last_tx_hash,
tracked_pos.token_id,
tracked_pos.base_amount,
tracked_pos.quote_amount,
tracked_pos.last_status.name
))
self.trigger_event(MarketEvent.RangePositionRemoved,
RangePositionRemovedEvent(self.current_timestamp, tracked_pos.hb_id,
tracked_pos.token_id))
self.stop_tracking_position(tracked_pos.hb_id)
elif result["name"] == "Collect":
pass
# not sure how to handle this at the moment
# token_id, amount0, amount1 = self.parse_liquidity_events(result["events"])
# tracked_order.update_exchange_order_id(token_id)
# self.logger().info(f"Liquidity removed for tokenID - {token_id}.")
else:
self.logger().info(
f"Error updating range position, token_id: {tracked_pos.token_id}, hb_id: {tracked_pos.hb_id}"
)
self.trigger_event(MarketEvent.RangePositionFailure,
RangePositionFailureEvent(self.current_timestamp, tracked_pos.hb_id))
self.stop_tracking_position(tracked_pos.hb_id)
tracked_pos.last_status = UniswapV3PositionStatus.FAILED