increase position

bfxapi/rest/BfxRestInterface.py

@@ -498,4 +498,14 @@ class _RestAuthenticatedEndpoints(_Requests):
         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 }))
+        return serializers._Notification[Claim](serializer=serializers.Claim).parse(*self._POST("auth/w/position/claim", data={ "id": id, "amount": amount }))
+
+    def get_increase_position_info(self, symbol: str, amount: Union[Decimal, float, str]) -> IncreaseInfo:
+        data = self._POST(f"auth/r/position/increase/info", data={ "symbol": symbol, "amount": amount })
+
+        return serializers.IncreaseInfo.parse(*(
+            data[0] + [data[1][0]] + data[1][1] + [data[1][2]] + data[4] + data[5]
+        ))
+
+    def increase_position(self, symbol: str, amount: Union[Decimal, float, str]) -> Notification[Increase]:
+        return serializers._Notification[Increase](serializer=serializers.Increase).parse(*self._POST("auth/w/position/increase", data={ "symbol": symbol, "amount": amount }))

bfxapi/rest/serializers.py

@@ -511,4 +511,30 @@ Claim = generate_labeler_serializer("Claim", klass=types.Claim, labels=[
     "META"
 ])
 
+IncreaseInfo = generate_labeler_serializer("IncreaseInfo", klass=types.IncreaseInfo, labels=[
+    "MAX_POS",
+    "CURRENT_POS",
+    "BASE_CURRENCY_BALANCE",
+    "TRADABLE_BALANCE_QUOTE_CURRENCY",
+    "TRADABLE_BALANCE_QUOTE_TOTAL",
+    "TRADABLE_BALANCE_BASE_CURRENCY",
+    "TRADABLE_BALANCE_BASE_TOTAL",
+    "_PLACEHOLDER",
+    "_PLACEHOLDER",
+    "_PLACEHOLDER",
+    "_PLACEHOLDER",
+    "FUNDING_AVAIL",
+    "FUNDING_VALUE",
+    "FUNDING_REQUIRED",
+    "FUNDING_VALUE_CURRENCY",
+    "FUNDING_REQUIRED_CURRENCY"
+])
+
+Increase = generate_labeler_serializer("Increase", klass=types.Increase, labels=[
+    "SYMBOL",
+    "_PLACEHOLDER",
+    "AMOUNT",
+    "BASE_PRICE"
+])
+
 #endregion

bfxapi/rest/types.py

@@ -404,4 +404,25 @@ class Claim(_Type):
     MIN_COLLATERAL: str
     META: JSON
 
+@dataclass
+class IncreaseInfo(_Type):
+    MAX_POS: int
+    CURRENT_POS: float
+    BASE_CURRENCY_BALANCE: float
+    TRADABLE_BALANCE_QUOTE_CURRENCY: float
+    TRADABLE_BALANCE_QUOTE_TOTAL: float
+    TRADABLE_BALANCE_BASE_CURRENCY: float
+    TRADABLE_BALANCE_BASE_TOTAL: float
+    FUNDING_AVAIL: float
+    FUNDING_VALUE: float
+    FUNDING_REQUIRED: float
+    FUNDING_VALUE_CURRENCY: str
+    FUNDING_REQUIRED_CURRENCY: str
+
+@dataclass
+class Increase(_Type):
+    SYMBOL: str
+    AMOUNT: float
+    BASE_PRICE: float
+
 #endregion

examples/rest/increase_position.py

@@ -0,0 +1,18 @@
+# python -c "import examples.rest.increase_position"
+
+import os
+
+from bfxapi.client import Client, Constants
+
+bfx = Client(
+    REST_HOST=Constants.REST_HOST,
+    API_KEY=os.getenv("BFX_API_KEY"),
+    API_SECRET=os.getenv("BFX_API_SECRET")
+)
+
+increase_info = bfx.rest.auth.get_increase_position_info(symbol="tBTCUSD", amount=0.0001)
+print(increase_info)
+
+# increase a margin position
+notification = bfx.rest.auth.increase_position(symbol="tBTCUSD", amount=0.0001)
+print(notification.NOTIFY_INFO)