Problem: no doc for feemarket param gov proposal

integration_tests/cosmoscli.py

@@ -706,6 +706,7 @@ def gov_propose_v0_7(self, proposer, kind, proposal, **kwargs):
 
     def gov_propose_legacy(self, proposer, kind, proposal, **kwargs):
         kwargs.setdefault("gas_prices", DEFAULT_GAS_PRICE)
+        kwargs.setdefault("gas", 300000)
         if kind == "software-upgrade":
             return json.loads(
                 self.raw(
@@ -782,7 +783,9 @@ def gov_vote(self, voter, proposal_id, option, **kwargs):
             )
         )
 
-    def gov_deposit(self, depositor, proposal_id, amount):
+    def gov_deposit(self, depositor, proposal_id, amount, **kwargs):
+        kwargs.setdefault("gas_prices", DEFAULT_GAS_PRICE)
+        kwargs.setdefault("gas", 300000)
         return json.loads(
             self.raw(
                 "tx",
@@ -796,6 +799,7 @@ def gov_deposit(self, depositor, proposal_id, amount):
                 node=self.node_rpc,
                 keyring_backend="test",
                 chain_id=self.chain_id,
+                **kwargs,
             )
         )
 
@@ -1452,3 +1456,7 @@ def changeset_ingest_versiondb_sst(self, versiondb_dir, sst_dir, **kwargs):
             "--move-files",
             **kwargs,
         ).decode()
+
+    def query_feemarket_params(self, **kwargs):
+        res = self.raw("q", "feemarket", "params", home=self.data_dir, **kwargs)
+        return json.loads(res)

integration_tests/test_basic.py

@@ -1,6 +1,7 @@
 import json
 import time
 from concurrent.futures import ThreadPoolExecutor, as_completed
+from decimal import Decimal
 from pathlib import Path
 
 import pytest
@@ -16,6 +17,7 @@
     KEYS,
     Greeter,
     RevertTestContract,
+    approve_proposal,
     build_batch_tx,
     contract_address,
     contract_path,
@@ -732,3 +734,29 @@ def test_replay_protection(cronos):
         match=r"only replay-protected \(EIP-155\) transactions allowed over RPC",
     ):
         w3.eth.send_raw_transaction(HexBytes(raw))
+
+
+def test_gov_min_gas_price(cronos):
+    cli = cronos.cosmos_cli()
+    orig = Decimal(cli.query_feemarket_params()["params"]["min_gas_price"])
+
+    rsp = cli.gov_propose_legacy(
+        "community",
+        "param-change",
+        {
+            "title": "Update MinGasPrice",
+            "description": "Update MinGasPrice",
+            "changes": [
+                {
+                    "subspace": "feemarket",
+                    "key": "MinGasPrice",
+                    "value": str(orig + Decimal("0.1")),
+                },
+            ],
+        },
+    )
+
+    approve_proposal(cronos, rsp)
+
+    new = Decimal(cli.query_feemarket_params()["params"]["min_gas_price"])
+    assert new == orig + Decimal("0.1")

integration_tests/utils.py

@@ -9,6 +9,7 @@
 import time
 from collections import defaultdict
 from concurrent.futures import ThreadPoolExecutor, as_completed
+from datetime import timedelta
 from pathlib import Path
 
 import bech32
@@ -524,3 +525,41 @@ def send_txs(w3, cli, to, keys, params):
     sended_hash_set = send_raw_transactions(w3, raw_transactions)
 
     return block_num_0, sended_hash_set
+
+
+def find_log_event_attrs(logs, ev_type, cond=None):
+    for ev in logs[0]["events"]:
+        if ev["type"] == ev_type:
+            attrs = {attr["key"]: attr["value"] for attr in ev["attributes"]}
+            if cond is None or cond(attrs):
+                return attrs
+    return None
+
+
+def get_proposal_id(rsp, msg):
+    def cb(attrs):
+        return "proposal_id" in attrs
+
+    ev = find_log_event_attrs(rsp["logs"], "submit_proposal", cb)
+    assert ev["proposal_messages"] == msg, rsp
+    return ev["proposal_id"]
+
+
+def approve_proposal(n, rsp):
+    # get proposal_id
+    proposal_id = get_proposal_id(rsp, ",/cosmos.gov.v1.MsgExecLegacyContent")
+    cli = n.cosmos_cli()
+    proposal = cli.query_proposal(proposal_id)
+    assert proposal["status"] == "PROPOSAL_STATUS_DEPOSIT_PERIOD", proposal
+    rsp = cli.gov_deposit("community", proposal_id, "1basetcro")
+    assert rsp["code"] == 0, rsp["raw_log"]
+    proposal = cli.query_proposal(proposal_id)
+    assert proposal["status"] == "PROPOSAL_STATUS_VOTING_PERIOD", proposal
+    for i in range(len(n.config["validators"])):
+        rsp = n.cosmos_cli(i).gov_vote("validator", proposal_id, "yes")
+        assert rsp["code"] == 0, rsp["raw_log"]
+    wait_for_block_time(
+        cli, isoparse(proposal["voting_end_time"]) + timedelta(seconds=5)
+    )
+    proposal = cli.query_proposal(proposal_id)
+    assert proposal["status"] == "PROPOSAL_STATUS_PASSED", proposal