42 lines
1.5 KiB
Go
42 lines
1.5 KiB
Go
// Copyright 2021 Evmos Foundation
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// This file is part of Evmos' Ethermint library.
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//
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// The Ethermint library is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Lesser General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// The Ethermint library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public License
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// along with the Ethermint library. If not, see https://github.com/evmos/ethermint/blob/main/LICENSE
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package keeper
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import (
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v4 "github.com/cerc-io/laconicd/x/feemarket/migrations/v4"
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"github.com/cerc-io/laconicd/x/feemarket/types"
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sdk "github.com/cosmos/cosmos-sdk/types"
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)
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// Migrator is a struct for handling in-place store migrations.
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type Migrator struct {
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keeper Keeper
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legacySubspace types.Subspace
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}
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// NewMigrator returns a new Migrator.
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func NewMigrator(keeper Keeper, legacySubspace types.Subspace) Migrator {
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return Migrator{
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keeper: keeper,
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legacySubspace: legacySubspace,
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}
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}
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// Migrate3to4 migrates the store from consensus version 3 to 4
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func (m Migrator) Migrate3to4(ctx sdk.Context) error {
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return v4.MigrateStore(ctx, m.keeper.storeKey, m.legacySubspace, m.keeper.cdc)
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}
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