more cases

.github/workflows/test.yml

@@ -19,7 +19,7 @@ jobs:
     timeout-minutes: 240
     strategy:
       matrix:
-        tests: [unmarked, ibc, ibc_rly_evm, ibc_rly_gas, ibc_timeout, ibc_update_client, ica, gov, upgrade, slow]
+        tests: [unmarked, ibc, ibc_rly_evm, ibc_rly_gas, ibc_timeout, ibc_update_client, ica, gov, upgrade, slow, gas]
     env:
       TESTS_TO_RUN: ${{ matrix.tests }}
     steps:

integration_tests/configs/min_gas_price.jsonnet

@@ -9,7 +9,7 @@ config {
       app_state+: {
         feemarket+: {
           params+: {
-            base_fee_change_denominator: '300',
+            base_fee_change_denominator: '3',
             elasticity_multiplier: '4',
             base_fee: '10000000000000',
             min_gas_price: '10000000000000',

integration_tests/configs/min_gas_price_eq.jsonnet

@@ -0,0 +1,13 @@
+local config = import 'min_gas_price_lte.jsonnet';
+
+config {
+  'cronos_777-1'+: {
+    genesis+: {
+      consensus_params+: {
+        block+: {
+          max_gas: '84000000',
+        },
+      },
+    },
+  },
+}

integration_tests/configs/min_gas_price_lte.jsonnet

@@ -0,0 +1,16 @@
+local config = import 'min_gas_price.jsonnet';
+
+config {
+  'cronos_777-1'+: {
+    genesis+: {
+      app_state+: {
+        feemarket+: {
+          params+: {
+            base_fee_change_denominator: '300',
+            elasticity_multiplier: '4000',
+          },
+        },
+      },
+    },
+  },
+}

integration_tests/test_eip1559.py

@@ -1,5 +1,9 @@
+import pytest
+
 from .utils import ADDRS, KEYS, send_transaction, w3_wait_for_block
 
+pytestmark = pytest.mark.gas
+
 
 def adjust_base_fee(parent_fee, gas_limit, gas_used):
     "spec: https://eips.ethereum.org/EIPS/eip-1559#specification"

integration_tests/test_min_gas_price.py

@@ -5,33 +5,67 @@
 from .network import setup_custom_cronos
 from .utils import ADDRS, KEYS, send_transaction, w3_wait_for_block
 
+pytestmark = pytest.mark.gas
+
+
+@pytest.fixture(scope="module")
+def custom_cronos_eq(tmp_path_factory):
+    path = tmp_path_factory.mktemp("min-gas-price-eq")
+    yield from setup_custom_cronos(
+        path, 26500, Path(__file__).parent / "configs/min_gas_price_eq.jsonnet"
+    )
+
 
 @pytest.fixture(scope="module")
 def custom_cronos(tmp_path_factory):
     path = tmp_path_factory.mktemp("min-gas-price")
     yield from setup_custom_cronos(
-        path, 26500, Path(__file__).parent / "configs/min_gas_price.jsonnet"
+        path, 26530, Path(__file__).parent / "configs/min_gas_price.jsonnet"
+    )
+
+
+@pytest.fixture(scope="module")
+def custom_cronos_lte(tmp_path_factory):
+    path = tmp_path_factory.mktemp("min-gas-price-gt")
+    yield from setup_custom_cronos(
+        path, 26560, Path(__file__).parent / "configs/min_gas_price_lte.jsonnet"
     )
 
 
+@pytest.fixture(
+    scope="module",
+    params=["custom_cronos_eq", "custom_cronos", "custom_cronos_lte"],
+)
+def custom_cluster(request, custom_cronos_eq, custom_cronos_lte, custom_cronos):
+    if request.param == "custom_cronos_eq":
+        return custom_cronos_eq
+    elif request.param == "custom_cronos_lte":
+        return custom_cronos_lte
+    return custom_cronos
+
+
 def adjust_base_fee(parent_fee, gas_limit, gas_used, params):
     "spec: https://eips.ethereum.org/EIPS/eip-1559#specification"
     change_denominator = params["base_fee_change_denominator"]
     elasticity_multiplier = params["elasticity_multiplier"]
     gas_target = gas_limit // elasticity_multiplier
-
-    delta = parent_fee * (gas_target - gas_used) // gas_target // change_denominator
+    if gas_used == gas_target:
+        return parent_fee
+    delta = parent_fee * abs(gas_target - gas_used) // gas_target // change_denominator
     # https://github.com/crypto-org-chain/ethermint/blob/develop/x/feemarket/keeper/eip1559.go#L104
-    return max(parent_fee - delta, params["min_gas_price"])
+    if gas_target > gas_used:
+        return max(parent_fee - delta, params["min_gas_price"])
+    else:
+        return parent_fee + max(delta, 1)
 
 
 def get_params(cli):
     params = cli.query_params("feemarket")["params"]
     return {k: int(float(v)) for k, v in params.items()}
 
 
-def test_dynamic_fee_tx(custom_cronos):
-    w3 = custom_cronos.w3
+def test_dynamic_fee_tx(custom_cluster):
+    w3 = custom_cluster.w3
     amount = 10000
     before = w3.eth.get_balance(ADDRS["community"])
     tip_price = 1
@@ -58,23 +92,23 @@ def test_dynamic_fee_tx(custom_cronos):
     # check the next block's base fee is adjusted accordingly
     w3_wait_for_block(w3, txreceipt.blockNumber + 1)
     fee = w3.eth.get_block(txreceipt.blockNumber + 1).baseFeePerGas
-    params = get_params(custom_cronos.cosmos_cli())
+    params = get_params(custom_cluster.cosmos_cli())
     assert fee == adjust_base_fee(
         blk.baseFeePerGas, blk.gasLimit, blk.gasUsed, params
     ), fee
 
 
-def test_base_fee_adjustment(custom_cronos):
+def test_base_fee_adjustment(custom_cluster):
     """
     verify base fee adjustment of three continuous empty blocks
     """
-    w3 = custom_cronos.w3
+    w3 = custom_cluster.w3
     begin = w3.eth.block_number
     w3_wait_for_block(w3, begin + 3)
 
     blk = w3.eth.get_block(begin)
     parent_fee = blk.baseFeePerGas
-    params = get_params(custom_cronos.cosmos_cli())
+    params = get_params(custom_cluster.cosmos_cli())
 
     for i in range(3):
         fee = w3.eth.get_block(begin + 1 + i).baseFeePerGas