tests(integration): block gas limit tests (#1500)

* added antehandler test

* add integration tests

* add back gas call test

* added integration tests v2

* linters

* Update tests/integration_tests/test_gas.py

* Update tests/integration_tests/test_gas.py

* update gomod2nix

* Update tests/integration_tests/test_gas.py

Co-authored-by: Federico Kunze Küllmer <31522760+fedekunze@users.noreply.github.com>
Co-authored-by: Freddy Caceres <facs95@gmail.com>

tests/integration_tests/test_gas.py

@@ -1,4 +1,13 @@
-from .utils import ADDRS, CONTRACTS, KEYS, deploy_contract, send_transaction
+import pytest
+
+from .utils import (
+    ADDRS,
+    CONTRACTS,
+    KEYS,
+    deploy_contract,
+    send_transaction,
+    w3_wait_for_new_blocks,
+)
 
 
 def test_gas_eth_tx(geth, ethermint):
@@ -21,12 +30,10 @@ def test_gas_eth_tx(geth, ethermint):
 def test_gas_deployment(geth, ethermint):
     # deploy an identical contract on geth and ethermint
     # ensure that the gasUsed is equivalent
-    _, geth_contract_receipt = deploy_contract(
-        geth.w3,
-        CONTRACTS["TestERC20A"])
+    _, geth_contract_receipt = deploy_contract(geth.w3, CONTRACTS["TestERC20A"])
     _, ethermint_contract_receipt = deploy_contract(
-        ethermint.w3,
-        CONTRACTS["TestERC20A"])
+        ethermint.w3, CONTRACTS["TestERC20A"]
+    )
     assert geth_contract_receipt.gasUsed == ethermint_contract_receipt.gasUsed
 
 
@@ -35,28 +42,65 @@ def test_gas_call(geth, ethermint):
 
     # deploy an identical contract on geth and ethermint
     # ensure that the contract has a function which consumes non-trivial gas
-    geth_contract, _ = deploy_contract(
-        geth.w3,
-        CONTRACTS["BurnGas"])
-    ethermint_contract, _ = deploy_contract(
-        ethermint.w3,
-        CONTRACTS["BurnGas"])
+    geth_contract, _ = deploy_contract(geth.w3, CONTRACTS["BurnGas"])
+    ethermint_contract, _ = deploy_contract(ethermint.w3, CONTRACTS["BurnGas"])
 
     # call the contract and get tx receipt for geth
     geth_gas_price = geth.w3.eth.gas_price
-    geth_txhash = (geth_contract.functions
-                   .burnGas(function_input)
-                   .transact({'from': ADDRS["validator"], "gasPrice": geth_gas_price}))
+    geth_txhash = geth_contract.functions.burnGas(function_input).transact(
+        {"from": ADDRS["validator"], "gasPrice": geth_gas_price}
+    )
     geth_call_receipt = geth.w3.eth.wait_for_transaction_receipt(geth_txhash)
 
     # repeat the above for ethermint
     ethermint_gas_price = ethermint.w3.eth.gas_price
-    ethermint_txhash = (ethermint_contract.functions
-                        .burnGas(function_input)
-                        .transact({'from': ADDRS["validator"],
-                                   "gasPrice": ethermint_gas_price}))
-    ethermint_call_receipt = (ethermint.w3.
-                              eth.wait_for_transaction_receipt(ethermint_txhash))
+    ethermint_txhash = ethermint_contract.functions.burnGas(function_input).transact(
+        {"from": ADDRS["validator"], "gasPrice": ethermint_gas_price}
+    )
+    ethermint_call_receipt = ethermint.w3.eth.wait_for_transaction_receipt(
+        ethermint_txhash
+    )
 
     # ensure that the gasUsed is equivalent
     assert geth_call_receipt.gasUsed == ethermint_call_receipt.gasUsed
+
+
+def test_block_gas_limit(ethermint):
+    tx_value = 10
+
+    # get the block gas limit from the latest block
+    w3_wait_for_new_blocks(ethermint.w3, 5)
+    block = ethermint.w3.eth.get_block("latest")
+    exceeded_gas_limit = block.gasLimit + 100
+
+    # send a transaction exceeding the block gas limit
+    ethermint_gas_price = ethermint.w3.eth.gas_price
+    tx = {
+        "to": ADDRS["community"],
+        "value": tx_value,
+        "gas": exceeded_gas_limit,
+        "gasPrice": ethermint_gas_price,
+    }
+
+    # expect an error due to the block gas limit
+    with pytest.raises(Exception):
+        send_transaction(ethermint.w3, tx, KEYS["validator"])
+
+    # deploy a contract on ethermint
+    ethermint_contract, _ = deploy_contract(ethermint.w3, CONTRACTS["BurnGas"])
+
+    # expect an error on contract call due to block gas limit
+    with pytest.raises(Exception):
+        ethermint_txhash = ethermint_contract.functions.burnGas(
+            exceeded_gas_limit
+        ).transact(
+            {
+                "from": ADDRS["validator"],
+                "gas": exceeded_gas_limit,
+                "gasPrice": ethermint_gas_price,
+            }
+        )
+        (ethermint.w3.eth.wait_for_transaction_receipt(ethermint_txhash))
+
+
+    return