Get gas price from basescan

keys.sample.py

@@ -78,6 +78,7 @@
 SEGMENT_WRITE_KEY = ""
 
 ETHERSCAN_API_KEY = ""
+BASESCAN_API_KEY = ""
 COIN_GECKO_API_KEY = ""
 
 PERSONA_WEBHOOK_SECRET = ""

src/config/ci/keys.py

@@ -62,4 +62,5 @@
 SEGMENT_WRITE_KEY = os.environ.get("SEGMENT_WRITE_KEY", "")
 
 ETHERSCAN_API_KEY = os.environ.get("ETHERSCAN_API_KEY", "")
+BASESCAN_API_KEY = os.environ.get("BASESCAN_API_KEY", "")
 COIN_GECKO_API_KEY = os.environ.get("COIN_GECKO_API_KEY", "")

src/config/keys.py

@@ -60,4 +60,5 @@
 SEGMENT_WRITE_KEY = os.environ.get("SEGMENT_WRITE_KEY", "")
 
 ETHERSCAN_API_KEY = os.environ.get("ETHERSCAN_API_KEY", "")
+BASESCAN_API_KEY = os.environ.get("BASESCAN_API_KEY", "")
 COIN_GECKO_API_KEY = os.environ.get("COIN_GECKO_API_KEY", "")

src/reputation/lib.py

@@ -465,7 +465,7 @@
         )
         send_email = True
 
-    if base_balance_eth < 0.08:
+    if base_balance_eth < 0.001:
         messages.append(
             f"ETH is running low in the Base hotwallet: {base_balance_eth:,}"
         )

src/reputation/tests/test_views.py

@@ -1,4 +1,4 @@
-import os
+import decimal
 import re
 import time
 from datetime import datetime, timedelta
@@ -10,10 +10,9 @@
 from pytz import utc
 from rest_framework.test import APITestCase
 
-from purchase.models import RscExchangeRate
 from reputation.distributions import Distribution as Dist
 from reputation.distributor import Distributor
-from reputation.lib import PendingWithdrawal, gwei_to_eth
+from reputation.lib import PendingWithdrawal
 from reputation.models import Withdrawal
 from reputation.tests.helpers import create_deposit, create_withdrawals
 from reputation.views.withdrawal_view import WithdrawalViewSet
@@ -45,6 +44,10 @@ def setUp(self):
         etherscan_matcher = re.compile("https://api.etherscan.io/.*")
         self.mocker.get(etherscan_matcher, json={"result": {"SafeGasPrice": "30"}})
 
+        # Mock calls to basescan
+        basescan_matcher = re.compile("https://api.basescan.org/.*")
+        self.mocker.get(basescan_matcher, json={"result": "0x38a5ef"})
+
         # Mock calls to coingecko
         coingecko_matcher = re.compile("https://api.coingecko.com/.*")
         self.mocker.get(
@@ -220,7 +223,6 @@ def test_verified_user_can_rewithdraw_rsc_after_24_hours(self):
                     "transaction_fee": 15,
                 },
             )
-
             self.assertEqual(response.status_code, 201)
 
     def test_unverified_user_cannot_rewithdraw_rsc_within_14_days(self):
@@ -665,12 +667,7 @@ def test_base_network_transaction_fee_is_lower(self):
         # Base fee should be lower than Ethereum fee
         self.assertLess(base_fee, eth_fee)
 
-        # Base fee should be reasonable (using 1 gwei gas price)
-        expected_base_gas_fee = gwei_to_eth(1 * 100000)  # 1 gwei * 100000 gas
-        expected_base_rsc = int(
-            round(RscExchangeRate.eth_to_rsc(expected_base_gas_fee))
-        )
-        self.assertEqual(base_fee, expected_base_rsc)
+        self.assertEqual(base_fee, decimal.Decimal("0.004454994"))
 
     """
     Helper methods

src/reputation/views/withdrawal_view.py

@@ -28,15 +28,19 @@
 from reputation.models import Withdrawal
 from reputation.permissions import AllowWithdrawalIfNotSuspecious
 from reputation.serializers import WithdrawalSerializer
-from researchhub.settings import ETHERSCAN_API_KEY, WEB3_PROVIDER_URL, WEB3_RSC_ADDRESS
+from researchhub.settings import (
+    BASESCAN_API_KEY,
+    ETHERSCAN_API_KEY,
+    WEB3_PROVIDER_URL,
+    WEB3_RSC_ADDRESS,
+)
 from user.related_models.user_model import User
 from user.related_models.user_verification_model import UserVerification
 from user.serializers import UserSerializer
 from utils import sentry
 from utils.permissions import CreateOrReadOnly, CreateOrUpdateIfAllowed, UserNotSpammer
 from utils.throttles import THROTTLE_CLASSES
 
-TRANSACTION_FEE = int(os.environ.get("TRANSACTION_FEE", 100))
 NETWORKS = {
     "ETHEREUM": {
         "provider_url": WEB3_PROVIDER_URL,
@@ -203,9 +207,17 @@ def calculate_transaction_fee(self, network="ETHEREUM"):
         """
 
         if network == "BASE":
-            # Base network typically has lower fees
-            gas_price = 1  # 1 gwei is usually sufficient for Base
-            gas_limit = 100000.0  # Lower gas limit for Base
+            # Get gas price from Basescan API
+            res = requests.get(
+                f"https://api.basescan.org/api"
+                f"?module=proxy"
+                f"&action=eth_gasPrice"
+                f"&apikey={BASESCAN_API_KEY}",
+                timeout=10,
+            )
+            json = res.json()
+            gas_price_wei = int(json.get("result", "0x0"), 16)  # Convert hex to int
+            gas_price = gas_price_wei / 10**9  # Convert wei to gwei
         else:
             # For Ethereum network
             res = requests.get(
@@ -214,11 +226,12 @@ def calculate_transaction_fee(self, network="ETHEREUM"):
             )
             json = res.json()
             gas_price = json.get("result", {}).get("SafeGasPrice", 40)
-            gas_limit = 120000.0
+
+        gas_limit = 120000.0
 
         gas_fee_in_eth = gwei_to_eth(float(gas_price) * gas_limit)
         rsc = RscExchangeRate.eth_to_rsc(gas_fee_in_eth)
-        return int(round(rsc))
+        return decimal.Decimal(str(rsc))
 
     # 5 minute cache
     @method_decorator(cache_page(60 * 5))

src/researchhub/settings.py

@@ -859,6 +859,9 @@ def before_send(event, hint):
 # Etherscan API Key
 ETHERSCAN_API_KEY = os.environ.get("ETHERSCAN_API_KEY", keys.ETHERSCAN_API_KEY)
 
+# Basescan API Key
+BASESCAN_API_KEY = os.environ.get("BASESCAN_API_KEY", keys.BASESCAN_API_KEY)
+
 # CoinGecko API Key
 COIN_GECKO_API_KEY = os.environ.get("COIN_GECKO_API_KEY", keys.COIN_GECKO_API_KEY)