52 lines
1.4 KiB
Go
52 lines
1.4 KiB
Go
package v4
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import (
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"github.com/cosmos/cosmos-sdk/codec"
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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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v4types "github.com/cerc-io/laconicd/x/evm/migrations/v4/types"
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"github.com/cerc-io/laconicd/x/evm/types"
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)
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// MigrateStore migrates the x/evm module state from the consensus version 3 to
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// version 4. Specifically, it takes the parameters that are currently stored
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// and managed by the Cosmos SDK params module and stores them directly into the x/evm module state.
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func MigrateStore(
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ctx sdk.Context,
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storeKey storetypes.StoreKey,
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legacySubspace types.Subspace,
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cdc codec.BinaryCodec,
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) error {
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var params types.Params
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legacySubspace.GetParamSetIfExists(ctx, ¶ms)
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if err := params.Validate(); err != nil {
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return err
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}
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chainCfgBz := cdc.MustMarshal(¶ms.ChainConfig)
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extraEIPsBz := cdc.MustMarshal(&v4types.ExtraEIPs{EIPs: params.ExtraEIPs})
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store := ctx.KVStore(storeKey)
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store.Set(types.ParamStoreKeyEVMDenom, []byte(params.EvmDenom))
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store.Set(types.ParamStoreKeyExtraEIPs, extraEIPsBz)
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store.Set(types.ParamStoreKeyChainConfig, chainCfgBz)
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if params.AllowUnprotectedTxs {
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store.Set(types.ParamStoreKeyAllowUnprotectedTxs, []byte{0x01})
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}
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if params.EnableCall {
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store.Set(types.ParamStoreKeyEnableCall, []byte{0x01})
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}
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if params.EnableCreate {
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store.Set(types.ParamStoreKeyEnableCreate, []byte{0x01})
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}
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return nil
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}
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