mirror of
https://github.com/planetmint/planetmint-go.git
synced 2025-11-24 06:25:47 +00:00
40 lines
1.3 KiB
Go
40 lines
1.3 KiB
Go
package v2
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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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"github.com/planetmint/planetmint-go/util"
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"github.com/planetmint/planetmint-go/x/asset/types"
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)
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func MigrateStore(ctx sdk.Context, storeKey storetypes.StoreKey, _ codec.BinaryCodec) error {
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store := prefix.NewStore(ctx.KVStore(storeKey), types.KeyPrefix(types.AssetKey))
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mapping := make(map[string][][]byte)
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// read all cids
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iterator := store.Iterator(nil, nil)
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defer iterator.Close()
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for ; iterator.Valid(); iterator.Next() {
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addressBytes := iterator.Value()
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cidBytes := iterator.Key()
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// map all cids by address
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mapping[string(addressBytes)] = append(mapping[string(addressBytes)], cidBytes)
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}
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// store all cids with new key
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for address, cids := range mapping {
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assetByAddressStore := prefix.NewStore(ctx.KVStore(storeKey), types.AddressPrefix(address))
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for i, cid := range cids {
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assetByAddressStore.Set(util.SerializeUint64(uint64(i)), cid)
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}
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addressAssetCountStore := prefix.NewStore(ctx.KVStore(storeKey), types.KeyPrefix(types.AssetKey))
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addressAssetCountStore.Set(types.AddressCountKey(address), util.SerializeUint64(uint64(len(cids))))
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}
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return nil
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}
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