cosmos-sdk/simapp/upgrades.go

46 lines
1.6 KiB
Go

package simapp
import (
"github.com/cosmos/cosmos-sdk/baseapp"
storetypes "github.com/cosmos/cosmos-sdk/store/types"
sdk "github.com/cosmos/cosmos-sdk/types"
"github.com/cosmos/cosmos-sdk/types/module"
paramstypes "github.com/cosmos/cosmos-sdk/x/params/types"
upgradetypes "github.com/cosmos/cosmos-sdk/x/upgrade/types"
)
// UpgradeName defines the on-chain upgrade name for the sample SimApp upgrade
// from v046 to v047.
//
// NOTE: This upgrade defines a reference implementation of what an upgrade
// could look like when an application is migrating from Cosmos SDK version
// v0.46.x to v0.47.x.
const UpgradeName = "v046-to-v047"
func (app SimApp) RegisterUpgradeHandlers() {
baseAppLegacySS := app.ParamsKeeper.Subspace(baseapp.Paramspace).WithKeyTable(paramstypes.ConsensusParamsKeyTable())
app.UpgradeKeeper.SetUpgradeHandler(
UpgradeName,
func(ctx sdk.Context, _ upgradetypes.Plan, fromVM module.VersionMap) (module.VersionMap, error) {
// Migrate Tendermint consensus parameters from x/params module to a
// dedicated x/consensus module.
baseapp.MigrateParams(ctx, baseAppLegacySS, &app.ConsensusParamsKeeper)
return app.ModuleManager.RunMigrations(ctx, app.Configurator(), fromVM)
},
)
upgradeInfo, err := app.UpgradeKeeper.ReadUpgradeInfoFromDisk()
if err != nil {
panic(err)
}
if upgradeInfo.Name == UpgradeName && !app.UpgradeKeeper.IsSkipHeight(upgradeInfo.Height) {
storeUpgrades := storetypes.StoreUpgrades{}
// configure store loader that checks if version == upgradeHeight and applies store upgrades
app.SetStoreLoader(upgradetypes.UpgradeStoreLoader(upgradeInfo.Height, &storeUpgrades))
}
}