add balances.py

Author: Marketen

avgbalances/balances.py

@@ -0,0 +1,46 @@
+import requests
+
+# Constants
+URL = "https://sp-api.dappnode.io/memory/validators"
+GWEI_IN_ETH = 1e9
+EFFECTIVE_BALANCE_THRESHOLD_GWEI = 32 * GWEI_IN_ETH
+OUTPUT_FILE = "results.txt"
+
+def fetch_validator_data():
+    response = requests.get(URL)
+    response.raise_for_status()
+    return response.json()
+
+def analyze_validators(validators):
+    # Count how many have effective balance > 32 ETH
+    more_than_32_count = sum(
+        int(v["beacon_effective_balance_gwei"]) > EFFECTIVE_BALANCE_THRESHOLD_GWEI
+        for v in validators
+    )
+
+    # Sort by effective balance in descending order
+    sorted_validators = sorted(
+        validators,
+        key=lambda v: int(v["beacon_effective_balance_gwei"]),
+        reverse=True
+    )
+
+    top_10 = sorted_validators[:10]
+    return more_than_32_count, top_10
+
+def save_results(more_than_32_count, top_10):
+    with open(OUTPUT_FILE, "w") as f:
+        f.write(f"Validators with more than 32 ETH effective balance: {more_than_32_count}\n\n")
+        f.write("Top 10 Validators by Effective Balance (in ETH):\n")
+        for i, v in enumerate(top_10, 1):
+            balance_eth = int(v["beacon_effective_balance_gwei"]) / GWEI_IN_ETH
+            f.write(f"{i}. Validator Index: {v['validator_index']} - {balance_eth:.4f} ETH\n")
+
+def main():
+    validators = fetch_validator_data()
+    more_than_32_count, top_10 = analyze_validators(validators)
+    save_results(more_than_32_count, top_10)
+    print(f"Results saved to {OUTPUT_FILE}")
+
+if __name__ == "__main__":
+    main()