75 lines
2.4 KiB
Go
75 lines
2.4 KiB
Go
package v010
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import (
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"math/big"
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sdk "github.com/cosmos/cosmos-sdk/types"
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paramtypes "github.com/cosmos/cosmos-sdk/x/params/types"
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v09types "github.com/tharsis/ethermint/x/feemarket/migrations/v09/types"
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"github.com/tharsis/ethermint/x/feemarket/types"
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)
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// KeyPrefixBaseFeeV1 is the base fee key prefix used in version 1
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var KeyPrefixBaseFeeV1 = []byte{2}
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// MigrateStore migrates the BaseFee value from the store to the params for
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// In-Place Store migration logic.
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func MigrateStore(ctx sdk.Context, paramstore *paramtypes.Subspace, storeKey sdk.StoreKey) error {
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baseFee := types.DefaultParams().BaseFee
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store := ctx.KVStore(storeKey)
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if !paramstore.HasKeyTable() {
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ps := paramstore.WithKeyTable(types.ParamKeyTable())
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paramstore = &ps
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}
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switch {
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case store.Has(KeyPrefixBaseFeeV1):
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bz := store.Get(KeyPrefixBaseFeeV1)
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baseFee = sdk.NewIntFromBigInt(new(big.Int).SetBytes(bz))
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case paramstore.Has(ctx, types.ParamStoreKeyNoBaseFee):
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paramstore.GetIfExists(ctx, types.ParamStoreKeyBaseFee, &baseFee)
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}
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var (
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noBaseFee bool
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baseFeeChangeDenom, elasticityMultiplier uint32
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enableHeight int64
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)
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paramstore.GetIfExists(ctx, types.ParamStoreKeyNoBaseFee, &noBaseFee)
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paramstore.GetIfExists(ctx, types.ParamStoreKeyBaseFeeChangeDenominator, &baseFeeChangeDenom)
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paramstore.GetIfExists(ctx, types.ParamStoreKeyElasticityMultiplier, &elasticityMultiplier)
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paramstore.GetIfExists(ctx, types.ParamStoreKeyEnableHeight, &enableHeight)
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params := types.Params{
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NoBaseFee: noBaseFee,
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BaseFeeChangeDenominator: baseFeeChangeDenom,
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ElasticityMultiplier: elasticityMultiplier,
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BaseFee: baseFee,
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EnableHeight: enableHeight,
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}
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paramstore.SetParamSet(ctx, ¶ms)
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store.Delete(KeyPrefixBaseFeeV1)
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return nil
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}
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// MigrateJSON accepts exported v0.9 x/feemarket genesis state and migrates it to
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// v0.10 x/feemarket genesis state. The migration includes:
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// - Migrate BaseFee to Params
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func MigrateJSON(oldState v09types.GenesisState) types.GenesisState {
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return types.GenesisState{
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Params: types.Params{
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NoBaseFee: oldState.Params.NoBaseFee,
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BaseFeeChangeDenominator: oldState.Params.BaseFeeChangeDenominator,
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ElasticityMultiplier: oldState.Params.ElasticityMultiplier,
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EnableHeight: oldState.Params.EnableHeight,
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BaseFee: oldState.BaseFee,
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},
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BlockGas: oldState.BlockGas,
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}
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}
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