add endpoints for airdrop

web_app/api/serializers/airdrop.py

@@ -0,0 +1,21 @@
+"""
+This module defines the serializers for the airdrop data.
+"""
+
+from pydantic import BaseModel
+from typing import List
+
+class AirdropItem(BaseModel):
+    """
+    A model to represent individual airdrop data with only the necessary fields.
+    """
+    amount: float # Amount of the airdrop tokens
+    proof: str # Proof for claiming the airdrop
+    is_claimed: bool # Whether the airdrop has been claimed
+    recipient: str #Recipient address of the airdrop
+
+class AirdropResponseModel(BaseModel):
+    """
+    A model to encapsulate a list of AirdropItem instances, providing a structured response.
+    """
+    airdrops: List[AirdropItem] # A list of filtered and validated airdrop items

web_app/contract_tools/airdrop.py

@@ -0,0 +1,55 @@
+"""
+This module defines the contract tools for the airdrop data.
+"""
+
+from typing import List
+from api.serializers.airdrop import AirdropItem, AirdropResponseModel
+from contract_tools.api_request import APIRequest
+
+class ZkLendAirdrop:
+    """
+    A class to fetch and validate airdrop data 
+    for a specified contract.
+    """
+
+    def __init__(self, api: APIRequest):
+        """
+        Initializes the ZkLendAirdrop class with an APIRequest instance.
+        Args:
+            api (APIRequest): An instance of APIRequest for making API calls.
+        """
+        self.api = api
+
+    async def get_contract_airdrop(self, contract_id: str) -> AirdropResponseModel:
+        """
+        Fetches all available airdrops 
+        for a specific contract asynchronously.
+        Args:
+            contract_id (str): The ID of the contract 
+            for which to fetch airdrop data.
+        Returns:
+            AirdropResponseModel: A validated list of airdrop items
+            for the specified contract.
+        """
+        endpoint = f"/contracts/{contract_id}/airdrops"
+        response = await self.api.fetch(endpoint)
+        return self._validate_response(response)
+
+    def _validate_response(self, data: List[dict]) -> AirdropResponseModel:
+        """
+        Validates and formats the response data, keeping only necessary fields.
+        Args:
+            data (List[dict]): Raw response data from the API.
+        Returns:
+            AirdropResponseModel: Structured and validated airdrop data.
+        """
+        validated_items = []
+        for item in data:
+            validated_item = AirdropItem(
+                amount=item["amount"],
+                proof=item["proof"],
+                is_claimed=item["is_claimed"],
+                recipient=item["recipient"]
+            )
+            validated_items.append(validated_item)
+        return AirdropResponseModel(airdrops=validated_items)