63 lines
1.7 KiB
Go
63 lines
1.7 KiB
Go
package v5
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import (
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"context"
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"cosmossdk.io/collections"
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"cosmossdk.io/core/codec"
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corestoretypes "cosmossdk.io/core/store"
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govv1 "cosmossdk.io/x/gov/types/v1"
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)
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var (
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// ParamsKey is the key of x/gov params
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ParamsKey = []byte{0x30}
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// ConstitutionKey is the key of x/gov constitution
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ConstitutionKey = collections.NewPrefix(49)
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)
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// MigrateStore performs in-place store migrations from v4 (v0.47) to v5 (v0.50). The
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// migration includes:
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//
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// Addition of the new proposal expedited parameters that are set to 0 by default.
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// Set of default chain constitution.
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func MigrateStore(ctx context.Context, storeService corestoretypes.KVStoreService, cdc codec.BinaryCodec, constitutionCollection collections.Item[string]) error {
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store := storeService.OpenKVStore(ctx)
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paramsBz, err := store.Get(ParamsKey)
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if err != nil {
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return err
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}
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var params govv1.Params
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err = cdc.Unmarshal(paramsBz, ¶ms)
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if err != nil {
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return err
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}
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defaultParams := govv1.DefaultParams()
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params.ExpeditedMinDeposit = defaultParams.ExpeditedMinDeposit
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params.ExpeditedVotingPeriod = defaultParams.ExpeditedVotingPeriod
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params.ExpeditedThreshold = defaultParams.ExpeditedThreshold
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params.ProposalCancelRatio = defaultParams.ProposalCancelRatio
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params.ProposalCancelDest = defaultParams.ProposalCancelDest
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params.MinDepositRatio = defaultParams.MinDepositRatio
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bz, err := cdc.Marshal(¶ms)
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if err != nil {
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return err
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}
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if err := store.Set(ParamsKey, bz); err != nil {
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return err
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}
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// Set the default consisitution if it is not set
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if ok, err := constitutionCollection.Has(ctx); !ok || err != nil {
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if err := constitutionCollection.Set(ctx, "This chain has no constitution."); err != nil {
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return err
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}
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}
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return nil
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}
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