add endpoints, minor fixs, use format instead of str

Co-authored-by: itsdeka <dario.moceri@bitfinex.com>

bfxapi/rest/BfxRestInterface.py

@@ -496,3 +496,6 @@ class _RestAuthenticatedEndpoints(_Requests):
 
     def get_base_margin_info(self) -> BaseMarginInfo:
         return serializers.BaseMarginInfo.parse(*(self._POST(f"auth/r/info/margin/base")[1]))
+
+    def claim_position(self, id: int, amount: Optional[Union[Decimal, float, str]] = None) -> Notification[Claim]:
+        return serializers._Notification[Claim](serializer=serializers.Claim).parse(*self._POST("auth/w/position/claim", data={ "id": id, "amount": amount }))

bfxapi/rest/serializers.py

@@ -235,7 +235,6 @@ TradingMarketAveragePrice = generate_labeler_serializer("TradingMarketAveragePri
     "AMOUNT"
 ])
 
-
 FundingMarketAveragePrice = generate_labeler_serializer("FundingMarketAveragePrice", klass=types.FundingMarketAveragePrice, labels=[
     "RATE_AVG",
     "AMOUNT"
@@ -299,8 +298,8 @@ Position = generate_labeler_serializer("Position", klass=types.Position, labels=
     "STATUS", 
     "AMOUNT", 
     "BASE_PRICE", 
-    "FUNDING", 
-    "FUNDING_TYPE",
+    "MARGIN_FUNDING", 
+    "MARGIN_FUNDING_TYPE",
     "PL",
     "PL_PERC",
     "PRICE_LIQ",
@@ -489,4 +488,27 @@ BaseMarginInfo = generate_labeler_serializer("BaseMarginInfo", klass=types.BaseM
     "MARGIN_MIN"
 ])
 
+Claim = generate_labeler_serializer("Claim", klass=types.Claim, labels=[
+    "SYMBOL",
+    "POSITION_STATUS",
+    "AMOUNT",
+    "BASE_PRICE",
+    "MARGIN_FUNDING",
+    "MARGIN_FUNDING_TYPE",
+    "_PLACEHOLDER",
+    "_PLACEHOLDER",
+    "_PLACEHOLDER",
+    "_PLACEHOLDER",
+    "_PLACEHOLDER",
+    "POSITION_ID",
+    "MTS_CREATE",
+    "MTS_UPDATE",
+    "_PLACEHOLDER",
+    "POS_TYPE",
+    "_PLACEHOLDER",
+    "COLLATERAL",
+    "MIN_COLLATERAL",
+    "META"
+])
+
 #endregion

bfxapi/rest/types.py

@@ -388,4 +388,20 @@ class BaseMarginInfo(_Type):
     MARGIN_NET: float
     MARGIN_MIN: float
 
+@dataclass
+class Claim(_Type):
+    SYMBOL: str
+    POSITION_STATUS: str
+    AMOUNT: float
+    BASE_PRICE: float
+    MARGIN_FUNDING: float
+    MARGIN_FUNDING_TYPE: int
+    POSITION_ID: int
+    MTS_CREATE: int
+    MTS_UPDATE: int
+    POS_TYPE: int
+    COLLATERAL: str
+    MIN_COLLATERAL: str
+    META: JSON
+
 #endregion