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migrate.go
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/
migrate.go
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// Copyright 2022 Hekas Foundation
// This file is part of the Hekas Network packages.
//
// Hekas is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The Hekas packages are distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the Hekas packages. If not, see https://github.com/hekas-network/hekas/blob/main/LICENSE
package v2
import (
"github.com/cosmos/cosmos-sdk/codec"
storetypes "github.com/cosmos/cosmos-sdk/store/types"
sdk "github.com/cosmos/cosmos-sdk/types"
v2types "github.com/hekas-network/hekas/x/inflation/migrations/v2/types"
"github.com/hekas-network/hekas/x/inflation/types"
)
// MigrateStore migrates the x/inflation module state from the consensus version 1 to
// version 2. Specifically, it takes the parameters that are currently stored
// and managed by the Cosmos SDK params module and stores them directly into the x/inflation module state.
func MigrateStore(
ctx sdk.Context,
storeKey storetypes.StoreKey,
legacySubspace types.Subspace,
cdc codec.BinaryCodec,
) error {
store := ctx.KVStore(storeKey)
var params v2types.V2Params
legacySubspace = legacySubspace.WithKeyTable(v2types.ParamKeyTable())
legacySubspace.GetParamSetIfExists(ctx, ¶ms)
if err := params.Validate(); err != nil {
return err
}
bz, err := cdc.Marshal(¶ms)
if err != nil {
return err
}
store.Set(types.ParamsKey, bz)
return nil
}