def get_debt() -> Union[str, Response]:
lp = LiquidityProvider()
debts = lp.get_debt()
serializable_debts = [debt.to_dict() for debt in debts]
current_app.logger.info(f"Debt info {serializable_debts}")
return jsonify({"debts": serializable_debts})
def trade_info(trade_id_param: UUID) -> Union[str, Response]:
lp = LiquidityProvider()
trade_id = TradeId(trade_id_param)
trade_data = lp.trade_info(trade_id=trade_id)
json = trade_data.to_json()
current_app.logger.info(f"Trade info {json}")
return json_response(json)
def init() -> Flask:
print("starting init liquidity")
# make sure to run the LP init only once, even when in debug mode
with app.app_context():
app.logger.info("init lp")
LiquidityProvider.init_lp(app_logger=app.logger)
return app
def settle(debt_id_param: UUID) -> Union[str, Response, Tuple[str, int]]:
settlement_confirmation = request.get_json()["settlement_confirmation"]
lp = LiquidityProvider()
try:
lp.settle(DebtId(debt_id_param), settlement_confirmation)
except KeyError as e:
return str(e), 404
except AlreadySettled as e:
return str(e), 409
return "OK"
def get_quote() -> Union[str, Response]:
lp = LiquidityProvider()
data = request.get_json()
current_app.logger.info(f"request for quote {data}")
base_currency = Currency[data["base_currency"]]
quote_currency = Currency[data["quote_currency"]]
pair = CurrencyPair(base=base_currency, quote=quote_currency)
quote = lp.get_quote(pair=pair, amount=int(data["amount"]))
json = quote.to_json()
current_app.logger.info(f"quote {json}")
return json_response(json)
def trade_and_execute() -> Union[str, Response]:
lp = LiquidityProvider()
data = request.get_json()
quote_id = QuoteId(UUID(data["quote_id"]))
direction = Direction[data["direction"]]
diem_deposit_address = (
data["diem_deposit_address"] if "diem_deposit_address" in data else None
)
tx_version = int(data["tx_version"]) if "tx_version" in data else None
trade_id = lp.trade_and_execute(
quote_id=quote_id,
direction=direction,
diem_bech32_deposit_address=diem_deposit_address,
tx_version=tx_version,
)
return jsonify({"trade_id": str(trade_id)})
def lp_details() -> Union[str, Response]:
current_app.logger.info(f"/details start")
lp = LiquidityProvider()
json = lp.lp_details().to_json()
current_app.logger.info(f"/details response: {json}")
return json_response(json)