Create SustainableEnergyTokenContract.py

sidra_chain_integration/contracts/SustainableEnergyTokenContract.py

@@ -0,0 +1,51 @@
+from typing import Dict
+
+class SustainableEnergyTokenContract:
+    def __init__(self):
+        self.tokens: Dict[str, Dict[str, int]] = {}
+        self.holders: Dict[str, Dict[str, int]] = {}
+
+    def mint_token(self, token_id: str, amount: int, project_id: str):
+        # Mint a new sustainable energy token
+        self.tokens[token_id] = {
+            "amount": amount,
+            "project_id": project_id
+        }
+        self.holders[project_id] = self.holders.get(project_id, {})
+        self.holders[project_id][token_id] = amount
+
+    def transfer_token(self, from_holder: str, to_holder: str, token_id: str, amount: int):
+        # Transfer a sustainable energy token from one holder to another
+        if token_id not in self.tokens:
+            raise ValueError("Token not found")
+        if from_holder not in self.holders or token_id not in self.holders[from_holder]:
+            raise ValueError("Holder not found")
+        if self.holders[from_holder][token_id] < amount:
+            raise ValueError("Insufficient balance")
+        self.holders[from_holder][token_id] -= amount
+        self.holders[to_holder] = self.holders.get(to_holder, {})
+        self.holders[to_holder][token_id] = self.holders[to_holder].get(token_id, 0) + amount
+
+    def burn_token(self, holder: str, token_id: str, amount: int):
+        # Burn a sustainable energy token
+        if token_id not in self.tokens:
+            raise ValueError("Token not found")
+        if holder not in self.holders or token_id not in self.holders[holder]:
+            raise ValueError("Holder not found")
+        if self.holders[holder][token_id] < amount:
+            raise ValueError("Insufficient balance")
+        self.holders[holder][token_id] -= amount
+        if self.holders[holder][token_id] == 0:
+            del self.holders[holder][token_id]
+
+    def get_token_info(self, token_id: str):
+        # Get the information of a sustainable energy token
+        return self.tokens.get(token_id, {})
+
+    def get_holder_balance(self, holder: str, token_id: str):
+        # Get the balance of a holder for a token
+        return self.holders.get(holder, {}).get(token_id, 0)
+
+    def get_project_tokens(self, project_id: str):
+        # Get the list of tokens associated with a project
+        return [token_id for token_id, token_info in self.tokens.items() if token_info["project_id"] == project_id]