wasmd/x/wasm/migrations/v2/store.go

28 lines
855 B
Go

package v2
import (
corestoretypes "cosmossdk.io/core/store"
"github.com/cosmos/cosmos-sdk/codec"
sdk "github.com/cosmos/cosmos-sdk/types"
"github.com/CosmWasm/wasmd/x/wasm/exported"
"github.com/CosmWasm/wasmd/x/wasm/types"
)
// MigrateStore migrates the x/wasm module state from the consensus version 2 to
// version 3. Specifically, it takes the parameters that are currently stored
// and managed by the x/params module and stores them directly into the x/wasm
// module state.
func MigrateStore(ctx sdk.Context, storeService corestoretypes.KVStoreService, legacySubspace exported.Subspace, cdc codec.BinaryCodec) error {
store := storeService.OpenKVStore(ctx)
var currParams Params
legacySubspace.GetParamSet(ctx, &currParams)
bz, err := cdc.Marshal(&currParams)
if err != nil {
return err
}
return store.Set(types.ParamsKey, bz)
}