52 lines
1.3 KiB
Go
52 lines
1.3 KiB
Go
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package v046
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import (
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"github.com/cosmos/cosmos-sdk/codec"
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"github.com/cosmos/cosmos-sdk/store/prefix"
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storetypes "github.com/cosmos/cosmos-sdk/store/types"
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sdk "github.com/cosmos/cosmos-sdk/types"
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v040 "github.com/cosmos/cosmos-sdk/x/gov/migrations/v040"
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"github.com/cosmos/cosmos-sdk/x/gov/types/v1beta1"
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)
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// migrateProposals migrates all legacy proposals into MsgExecLegacyContent
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// proposals.
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func migrateProposals(store sdk.KVStore, cdc codec.BinaryCodec) error {
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propStore := prefix.NewStore(store, v040.ProposalsKeyPrefix)
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iter := propStore.Iterator(nil, nil)
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defer iter.Close()
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for ; iter.Valid(); iter.Next() {
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var oldProp v1beta1.Proposal
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err := cdc.Unmarshal(iter.Value(), &oldProp)
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if err != nil {
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return err
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}
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newProp, err := convertToNewProposal(oldProp)
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if err != nil {
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return err
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}
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bz, err := cdc.Marshal(&newProp)
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if err != nil {
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return err
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}
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// Set new value on store.
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propStore.Set(iter.Key(), bz)
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}
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return nil
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}
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// MigrateStore performs in-place store migrations from v0.43 to v0.46. The
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// migration includes:
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//
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// - Migrate proposals to be Msg-based.
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func MigrateStore(ctx sdk.Context, storeKey storetypes.StoreKey, cdc codec.BinaryCodec) error {
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store := ctx.KVStore(storeKey)
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return migrateProposals(store, cdc)
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}
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