genesis block, create block endpoint, performace optimizations, initial boot optimization, fix 188

starknet_devnet/starknet_wrapper.py

@@ -385,15 +385,20 @@ async def calculate_actual_fee(self, external_tx: InvokeFunction):
         )
 
         gas_price = state.state.block_info.gas_price
-        gas_usage = tx_fee // gas_price
+        gas_usage = tx_fee // gas_price if gas_price else 0
 
-        return {
+        result = {
             "overall_fee": tx_fee,
             "unit": "wei",
             "gas_price": gas_price,
             "gas_usage": gas_usage,
         }
 
+        if state.state.block_info.block_timestamp == 0:
+            result["warning"] = "block isn't produced"
+
+        return result
+
     def increase_block_time(self, time_s: int):
         """Increases the block time by `time_s`."""
         self.block_info_generator.increase_time(time_s)

test/test_estimate_fee.py

@@ -30,6 +30,28 @@ def send_estimate_fee_with_requests(req_dict: dict):
         json=req_dict
     )
 
+@devnet_in_background()
+def test_estimate_fee_without_block_zero_gas():
+    """Call without transaction, expect pass with gas_price zero"""
+    response = send_estimate_fee_with_requests({
+        "entry_point_selector": "0x2f0b3c5710379609eb5495f1ecd348cb28167711b73609fe565a72734550354",
+        "calldata": [
+            "1786654640273905855542517570545751199272449814774211541121677632577420730552",
+            "1000000000000000000000",
+            "0"
+        ],
+        "signature": [],
+        "contract_address": "0x62230ea046a9a5fbc261ac77d03c8d41e5d442db2284587570ab46455fd2488"
+    })
+
+    assert response.status_code == 200
+    response_parsed = response.json()
+    assert response_parsed["gas_price"] == 0
+    assert response_parsed["gas_usage"] == 0
+    assert response_parsed["overall_fee"] == 0
+    assert response_parsed["unit"] == "wei"
+    assert response_parsed["warning"] == "block isn't produced"
+
 @pytest.mark.estimate_fee
 @devnet_in_background()
 def test_estimate_fee_in_unknown_address():