From ce6aa444713d2862988d847a3555ec11e2c67b5f Mon Sep 17 00:00:00 2001
From: Eugenio Paluello <eugypalu@gmail.com>
Date: Fri, 13 Sep 2024 09:49:51 +0200
Subject: [PATCH] feat: get contracts from sepolia

---
 .env.example                         |  2 ++
 kakarot_scripts/withdraw_accounts.py | 25 +++++++++++++++++++++++--
 2 files changed, 25 insertions(+), 2 deletions(-)

diff --git a/.env.example b/.env.example
index e8d0a980a..6dee0ba49 100644
--- a/.env.example
+++ b/.env.example
@@ -49,3 +49,5 @@ PROTOCOL_BUFFERS_PYTHON_IMPLEMENTATION=python
 WEB3_HTTP_PROVIDER_URI="http://0.0.0.0:3030"
 
 HYPOTHESIS_PROFILE=dev
+
+VOYAGER_API_KEY=
diff --git a/kakarot_scripts/withdraw_accounts.py b/kakarot_scripts/withdraw_accounts.py
index 2af57488d..12a5ae9f7 100644
--- a/kakarot_scripts/withdraw_accounts.py
+++ b/kakarot_scripts/withdraw_accounts.py
@@ -1,7 +1,10 @@
 # %% Imports
 import logging
+import os
 from asyncio import run
 
+import requests
+
 from kakarot_scripts.constants import ETH_TOKEN_ADDRESS, NETWORK, RPC_CLIENT
 from kakarot_scripts.utils.starknet import get_balance, get_declarations, invoke
 
@@ -10,12 +13,30 @@
 logger.setLevel(logging.INFO)
 
 
+# %% Fetch contract events
+def get_contracts():
+    url = f"https://sepolia-api.voyager.online/beta/events?ps=10&p=1&contract={os.getenv('KAKAROT_SEPOLIA_ACCOUNT_ADDRESS')}"
+    headers = {
+        "accept": "application/json",
+        "x-api-key": os.getenv("VOYAGER_API_KEY"),
+    }
+    response = requests.get(url, headers=headers)
+    return [
+        {
+            "evm_address": "0x" + raw[2:22].hex(),
+            "starknet_address": "0x" + raw[23:].hex(),
+        }
+        for raw in (
+            bytes(contract["data"]["data"]) for contract in response.json()["items"]
+        )
+    ]
+
+
 # %% Main
 async def main():
     # %% Withdraw all accounts
 
-    # TODO: List of {evm_address, starknet_address} dict to be retrieved from parsing Kakarot contract events
-    contracts = []
+    contracts = get_contracts()
 
     balance_prev = await get_balance(NETWORK["account_address"])
     logger.info(f"ℹ️  Current deployer balance {balance_prev / 1e18} ETH")