Problem: no legacy evm param after multi upgrades (#457)

CHANGELOG.md

@@ -41,6 +41,10 @@ Ref: https://keepachangelog.com/en/1.0.0/
 
 * (rpc) [#449](https://github.com/crypto-org-chain/ethermint/pull/449) Remove forkEnabled callback to keep zero random as default.
 
+### Bug Fixes
+
+* (rpc) [#457](https://github.com/crypto-org-chain/ethermint/pull/457) Add param keytable in evm for old upgrade.
+
 ## v0.21.x-cronos
 
 ### Bug Fixes

app/app.go

@@ -133,6 +133,7 @@ import (
 	ethermint "github.com/evmos/ethermint/types"
 	"github.com/evmos/ethermint/x/evm"
 	evmkeeper "github.com/evmos/ethermint/x/evm/keeper"
+	v0evmtypes "github.com/evmos/ethermint/x/evm/migrations/v0/types"
 	evmtypes "github.com/evmos/ethermint/x/evm/types"
 	"github.com/evmos/ethermint/x/feemarket"
 	feemarketkeeper "github.com/evmos/ethermint/x/feemarket/keeper"
@@ -982,7 +983,7 @@ func initParamsKeeper(appCodec codec.BinaryCodec, legacyAmino *codec.LegacyAmino
 	paramsKeeper.Subspace(ibctransfertypes.ModuleName)
 	paramsKeeper.Subspace(ibcexported.ModuleName)
 	// ethermint subspaces
-	paramsKeeper.Subspace(evmtypes.ModuleName)
+	paramsKeeper.Subspace(evmtypes.ModuleName).WithKeyTable(v0evmtypes.ParamKeyTable()) //nolint: staticcheck
 	paramsKeeper.Subspace(feemarkettypes.ModuleName).WithKeyTable(feemarkettypes.ParamKeyTable())
 	return paramsKeeper
 }