refactor(x/staking): migrate historicalInfo to use collections

CHANGELOG.md

@@ -49,6 +49,8 @@ Ref: https://keepachangelog.com/en/1.0.0/
 
 ### API Breaking Changes
 
+* (x/slashing) [17063](https://github.com/cosmos/cosmos-sdk/pull/17063) Use collections for `HistoricalInfo`:
+    * remove `Keeper`: `GetHistoricalInfo`, `SetHistoricalInfo`,
 * (x/staking) [17062](https://github.com/cosmos/cosmos-sdk/pull/17062) Use collections for `ValidatorUpdates`:
     * remove `Keeper`: `SetValidatorUpdates`, `GetValidatorUpdates`
 * (x/slashing) [17023](https://github.com/cosmos/cosmos-sdk/pull/17023) Use collections for `ValidatorSigningInfo`:

tests/integration/staking/keeper/determinstic_test.go → tests/integration/staking/keeper/deterministic_test.go

@@ -669,10 +669,10 @@ func TestGRPCHistoricalInfo(t *testing.T) {
 
 		height := rapid.Int64Min(0).Draw(rt, "height")
 
-		assert.NilError(t, f.stakingKeeper.SetHistoricalInfo(
+		assert.NilError(t, f.stakingKeeper.HistoricalInfo.Set(
 			f.ctx,
-			height,
-			&historicalInfo,
+			uint64(height),
+			historicalInfo,
 		))
 
 		req := &stakingtypes.QueryHistoricalInfoRequest{
@@ -693,10 +693,10 @@ func TestGRPCHistoricalInfo(t *testing.T) {
 
 	height := int64(127)
 
-	assert.NilError(t, f.stakingKeeper.SetHistoricalInfo(
+	assert.NilError(t, f.stakingKeeper.HistoricalInfo.Set(
 		f.ctx,
-		height,
-		&historicalInfo,
+		uint64(height),
+		historicalInfo,
 	))
 
 	req := &stakingtypes.QueryHistoricalInfoRequest{

tests/integration/staking/keeper/grpc_query_test.go

@@ -29,7 +29,7 @@ func createValidatorAccs(t *testing.T, f *fixture) ([]sdk.AccAddress, []types.Va
 	sortedVals := make([]types.Validator, len(validators))
 	copy(sortedVals, validators)
 	hi := types.NewHistoricalInfo(header, sortedVals, f.stakingKeeper.PowerReduction(f.sdkCtx))
-	assert.NilError(t, f.stakingKeeper.SetHistoricalInfo(f.sdkCtx, 5, &hi))
+	assert.NilError(t, f.stakingKeeper.HistoricalInfo.Set(f.sdkCtx, uint64(5), hi))
 
 	return addrs, validators
 }
@@ -731,7 +731,7 @@ func TestGRPCQueryHistoricalInfo(t *testing.T) {
 	qr := f.app.QueryHelper()
 	queryClient := types.NewQueryClient(qr)
 
-	hi, found := f.stakingKeeper.GetHistoricalInfo(ctx, 5)
+	hi, found := f.stakingKeeper.HistoricalInfo.Get(ctx, uint64(5))
 	assert.Assert(t, found)
 
 	var req *types.QueryHistoricalInfoRequest

x/staking/keeper/grpc_query.go

@@ -390,7 +390,7 @@ func (k Querier) HistoricalInfo(ctx context.Context, req *types.QueryHistoricalI
 		return nil, status.Error(codes.InvalidArgument, "height cannot be negative")
 	}
 
-	hi, err := k.GetHistoricalInfo(ctx, req.Height)
+	hi, err := k.Keeper.HistoricalInfo.Get(ctx, uint64(req.Height))
 	if err != nil {
 		return nil, status.Errorf(codes.NotFound, "historical info for height %d not found", req.Height)
 	}

x/staking/keeper/historical_info.go

@@ -4,83 +4,12 @@ import (
 	"context"
 	"errors"
 
-	storetypes "cosmossdk.io/store/types"
+	"cosmossdk.io/collections"
 
 	sdk "github.com/cosmos/cosmos-sdk/types"
 	"github.com/cosmos/cosmos-sdk/x/staking/types"
 )
 
-// GetHistoricalInfo gets the historical info at a given height
-func (k Keeper) GetHistoricalInfo(ctx context.Context, height int64) (types.HistoricalInfo, error) {
-	store := k.storeService.OpenKVStore(ctx)
-	key := types.GetHistoricalInfoKey(height)
-
-	value, err := store.Get(key)
-	if err != nil {
-		return types.HistoricalInfo{}, err
-	}
-
-	if value == nil {
-		return types.HistoricalInfo{}, types.ErrNoHistoricalInfo
-	}
-
-	return types.UnmarshalHistoricalInfo(k.cdc, value)
-}
-
-// SetHistoricalInfo sets the historical info at a given height
-func (k Keeper) SetHistoricalInfo(ctx context.Context, height int64, hi *types.HistoricalInfo) error {
-	store := k.storeService.OpenKVStore(ctx)
-	key := types.GetHistoricalInfoKey(height)
-	value, err := k.cdc.Marshal(hi)
-	if err != nil {
-		return err
-	}
-	return store.Set(key, value)
-}
-
-// DeleteHistoricalInfo deletes the historical info at a given height
-func (k Keeper) DeleteHistoricalInfo(ctx context.Context, height int64) error {
-	store := k.storeService.OpenKVStore(ctx)
-	key := types.GetHistoricalInfoKey(height)
-
-	return store.Delete(key)
-}
-
-// IterateHistoricalInfo provides an iterator over all stored HistoricalInfo
-// objects. For each HistoricalInfo object, cb will be called. If the cb returns
-// true, the iterator will break and close.
-func (k Keeper) IterateHistoricalInfo(ctx context.Context, cb func(types.HistoricalInfo) bool) error {
-	store := k.storeService.OpenKVStore(ctx)
-	iterator, err := store.Iterator(types.HistoricalInfoKey, storetypes.PrefixEndBytes(types.HistoricalInfoKey))
-	if err != nil {
-		return err
-	}
-	defer iterator.Close()
-
-	for ; iterator.Valid(); iterator.Next() {
-		histInfo, err := types.UnmarshalHistoricalInfo(k.cdc, iterator.Value())
-		if err != nil {
-			return err
-		}
-		if cb(histInfo) {
-			break
-		}
-	}
-
-	return nil
-}
-
-// GetAllHistoricalInfo returns all stored HistoricalInfo objects.
-func (k Keeper) GetAllHistoricalInfo(ctx context.Context) ([]types.HistoricalInfo, error) {
-	var infos []types.HistoricalInfo
-	err := k.IterateHistoricalInfo(ctx, func(histInfo types.HistoricalInfo) bool {
-		infos = append(infos, histInfo)
-		return false
-	})
-
-	return infos, err
-}
-
 // TrackHistoricalInfo saves the latest historical-info and deletes the oldest
 // heights that are below pruning height
 func (k Keeper) TrackHistoricalInfo(ctx context.Context) error {
@@ -99,14 +28,14 @@ func (k Keeper) TrackHistoricalInfo(ctx context.Context) error {
 	// over the historical entries starting from the most recent version to be pruned
 	// and then return at the first empty entry.
 	for i := sdkCtx.BlockHeight() - int64(entryNum); i >= 0; i-- {
-		_, err := k.GetHistoricalInfo(ctx, i)
+		_, err := k.HistoricalInfo.Get(ctx, uint64(i))
 		if err != nil {
-			if errors.Is(err, types.ErrNoHistoricalInfo) {
+			if errors.Is(err, collections.ErrNotFound) {
 				break
 			}
 			return err
 		}
-		if err = k.DeleteHistoricalInfo(ctx, i); err != nil {
+		if err = k.HistoricalInfo.Remove(ctx, uint64(i)); err != nil {
 			return err
 		}
 	}
@@ -125,5 +54,5 @@ func (k Keeper) TrackHistoricalInfo(ctx context.Context) error {
 	historicalEntry := types.NewHistoricalInfo(sdkCtx.BlockHeader(), lastVals, k.PowerReduction(ctx))
 
 	// Set latest HistoricalInfo at current height
-	return k.SetHistoricalInfo(ctx, sdkCtx.BlockHeight(), &historicalEntry)
+	return k.HistoricalInfo.Set(ctx, uint64(sdkCtx.BlockHeight()), historicalEntry)
 }

x/staking/keeper/historical_info_test.go

@@ -3,6 +3,7 @@ package keeper_test
 import (
 	cmtproto "github.com/cometbft/cometbft/proto/tendermint/types"
 
+	"cosmossdk.io/collections"
 	"cosmossdk.io/math"
 
 	"github.com/cosmos/cosmos-sdk/x/staking/testutil"
@@ -33,17 +34,17 @@ func (s *KeeperTestSuite) TestHistoricalInfo() {
 	}
 
 	hi := stakingtypes.NewHistoricalInfo(ctx.BlockHeader(), validators, keeper.PowerReduction(ctx))
-	require.NoError(keeper.SetHistoricalInfo(ctx, 2, &hi))
+	require.NoError(keeper.HistoricalInfo.Set(ctx, uint64(2), hi))
 
-	recv, err := keeper.GetHistoricalInfo(ctx, 2)
-	require.NoError(err, "HistoricalInfo not found after set")
+	recv, err := keeper.HistoricalInfo.Get(ctx, uint64(2))
+	require.NoError(err, "HistoricalInfo found after set")
 	require.Equal(hi, recv, "HistoricalInfo not equal")
 	require.True(IsValSetSorted(recv.Valset, keeper.PowerReduction(ctx)), "HistoricalInfo validators is not sorted")
 
-	require.NoError(keeper.DeleteHistoricalInfo(ctx, 2))
+	require.NoError(keeper.HistoricalInfo.Remove(ctx, uint64(2)))
 
-	recv, err = keeper.GetHistoricalInfo(ctx, 2)
-	require.ErrorIs(err, stakingtypes.ErrNoHistoricalInfo, "HistoricalInfo found after delete")
+	recv, err = keeper.HistoricalInfo.Get(ctx, uint64(2))
+	require.ErrorIs(err, collections.ErrNotFound, "HistoricalInfo not found after delete")
 	require.Equal(stakingtypes.HistoricalInfo{}, recv, "HistoricalInfo is not empty")
 }
 
@@ -74,12 +75,12 @@ func (s *KeeperTestSuite) TestTrackHistoricalInfo() {
 	}
 	hi4 := stakingtypes.NewHistoricalInfo(h4, valSet, keeper.PowerReduction(ctx))
 	hi5 := stakingtypes.NewHistoricalInfo(h5, valSet, keeper.PowerReduction(ctx))
-	require.NoError(keeper.SetHistoricalInfo(ctx, 4, &hi4))
-	require.NoError(keeper.SetHistoricalInfo(ctx, 5, &hi5))
-	recv, err := keeper.GetHistoricalInfo(ctx, 4)
+	require.NoError(keeper.HistoricalInfo.Set(ctx, uint64(4), hi4))
+	require.NoError(keeper.HistoricalInfo.Set(ctx, uint64(5), hi5))
+	recv, err := keeper.HistoricalInfo.Get(ctx, uint64(4))
 	require.NoError(err)
 	require.Equal(hi4, recv)
-	recv, err = keeper.GetHistoricalInfo(ctx, 5)
+	recv, err = keeper.HistoricalInfo.Get(ctx, uint64(5))
 	require.NoError(err)
 	require.Equal(hi5, recv)
 
@@ -112,16 +113,16 @@ func (s *KeeperTestSuite) TestTrackHistoricalInfo() {
 		Header: header,
 		Valset: vals,
 	}
-	recv, err = keeper.GetHistoricalInfo(ctx, 10)
+	recv, err = keeper.HistoricalInfo.Get(ctx, uint64(10))
 	require.NoError(err, "GetHistoricalInfo failed after BeginBlock")
 	require.Equal(expected, recv, "GetHistoricalInfo returned unexpected result")
 
 	// Check HistoricalInfo at height 5, 4 is pruned
-	recv, err = keeper.GetHistoricalInfo(ctx, 4)
-	require.ErrorIs(err, stakingtypes.ErrNoHistoricalInfo, "GetHistoricalInfo did not prune earlier height")
+	recv, err = keeper.HistoricalInfo.Get(ctx, uint64(4))
+	require.ErrorIs(err, collections.ErrNotFound, "GetHistoricalInfo did not prune earlier height")
 	require.Equal(stakingtypes.HistoricalInfo{}, recv, "GetHistoricalInfo at height 4 is not empty after prune")
-	recv, err = keeper.GetHistoricalInfo(ctx, 5)
-	require.ErrorIs(err, stakingtypes.ErrNoHistoricalInfo, "GetHistoricalInfo did not prune first prune height")
+	recv, err = keeper.HistoricalInfo.Get(ctx, uint64(5))
+	require.ErrorIs(err, collections.ErrNotFound, "GetHistoricalInfo did not prune first prune height")
 	require.Equal(stakingtypes.HistoricalInfo{}, recv, "GetHistoricalInfo at height 5 is not empty after prune")
 }
 
@@ -147,10 +148,15 @@ func (s *KeeperTestSuite) TestGetAllHistoricalInfo() {
 	expHistInfos := []stakingtypes.HistoricalInfo{hist1, hist2, hist3}
 
 	for i, hi := range expHistInfos {
-		require.NoError(keeper.SetHistoricalInfo(ctx, int64(9+i), &hi)) //nolint:gosec // G601: Implicit memory aliasing in for loop.
+		require.NoError(keeper.HistoricalInfo.Set(ctx, uint64(int64(9+i)), hi))
 	}
 
-	infos, err := keeper.GetAllHistoricalInfo(ctx)
+	var infos []stakingtypes.HistoricalInfo
+	err := keeper.HistoricalInfo.Walk(ctx, nil, func(key uint64, info stakingtypes.HistoricalInfo) (stop bool, err error) {
+		infos = append(infos, info)
+		return false, nil
+	})
+
 	require.NoError(err)
 	require.Equal(expHistInfos, infos)
 }

x/staking/keeper/keeper.go

@@ -33,6 +33,7 @@ type Keeper struct {
 	consensusAddressCodec addresscodec.Codec
 
 	Schema           collections.Schema
+	HistoricalInfo   collections.Map[uint64, types.HistoricalInfo]
 	LastTotalPower   collections.Item[math.Int]
 	ValidatorUpdates collections.Item[types.ValidatorUpdates]
 }
@@ -76,6 +77,7 @@ func NewKeeper(
 		validatorAddressCodec: validatorAddressCodec,
 		consensusAddressCodec: consensusAddressCodec,
 		LastTotalPower:        collections.NewItem(sb, types.LastTotalPowerKey, "last_total_power", sdk.IntValue),
+		HistoricalInfo:        collections.NewMap(sb, types.HistoricalInfoKey, "historical_info", collections.Uint64Key, codec.CollValue[types.HistoricalInfo](cdc)),
 		ValidatorUpdates:      collections.NewItem(sb, types.ValidatorUpdatesKey, "validator_updates", codec.CollValue[types.ValidatorUpdates](cdc)),
 	}
 

x/staking/types/errors.go

@@ -40,7 +40,6 @@ var (
 	ErrBothShareMsgsGiven              = errors.Register(ModuleName, 35, "both shares amount and shares percent provided")
 	ErrNeitherShareMsgsGiven           = errors.Register(ModuleName, 36, "neither shares amount nor shares percent provided")
 	ErrInvalidHistoricalInfo           = errors.Register(ModuleName, 37, "invalid historical info")
-	ErrNoHistoricalInfo                = errors.Register(ModuleName, 38, "no historical info found")
 	ErrEmptyValidatorPubKey            = errors.Register(ModuleName, 39, "empty validator public key")
 	ErrCommissionLTMinRate             = errors.Register(ModuleName, 40, "commission cannot be less than min rate")
 	ErrUnbondingNotFound               = errors.Register(ModuleName, 41, "unbonding operation not found")

x/staking/types/historical_info.go

@@ -9,7 +9,6 @@ import (
 	"cosmossdk.io/errors"
 	"cosmossdk.io/math"
 
-	"github.com/cosmos/cosmos-sdk/codec"
 	codectypes "github.com/cosmos/cosmos-sdk/codec/types"
 )
 
@@ -27,22 +26,6 @@ func NewHistoricalInfo(header cmtproto.Header, valSet Validators, powerReduction
 	}
 }
 
-// MustUnmarshalHistoricalInfo wll unmarshal historical info and panic on error
-func MustUnmarshalHistoricalInfo(cdc codec.BinaryCodec, value []byte) HistoricalInfo {
-	hi, err := UnmarshalHistoricalInfo(cdc, value)
-	if err != nil {
-		panic(err)
-	}
-
-	return hi
-}
-
-// UnmarshalHistoricalInfo will unmarshal historical info and return any error
-func UnmarshalHistoricalInfo(cdc codec.BinaryCodec, value []byte) (hi HistoricalInfo, err error) {
-	err = cdc.Unmarshal(value, &hi)
-	return hi, err
-}
-
 // ValidateBasic will ensure HistoricalInfo is not nil and sorted
 func ValidateBasic(hi HistoricalInfo) error {
 	if len(hi.Valset) == 0 {

x/staking/types/historical_info_test.go

@@ -8,8 +8,6 @@ import (
 	cmtproto "github.com/cometbft/cometbft/proto/tendermint/types"
 	"github.com/stretchr/testify/require"
 
-	"github.com/cosmos/cosmos-sdk/codec"
-	"github.com/cosmos/cosmos-sdk/codec/legacy"
 	sdk "github.com/cosmos/cosmos-sdk/types"
 	"github.com/cosmos/cosmos-sdk/x/staking/types"
 )
@@ -28,26 +26,6 @@ func createValidators(t *testing.T) []types.Validator {
 	}
 }
 
-func TestHistoricalInfo(t *testing.T) {
-	validators := createValidators(t)
-	hi := types.NewHistoricalInfo(header, validators, sdk.DefaultPowerReduction)
-	require.True(t, sort.IsSorted(types.Validators(hi.Valset)), "Validators are not sorted")
-
-	var value []byte
-	require.NotPanics(t, func() {
-		value = legacy.Cdc.MustMarshal(&hi)
-	})
-	require.NotNil(t, value, "Marshaled HistoricalInfo is nil")
-
-	recv, err := types.UnmarshalHistoricalInfo(codec.NewAminoCodec(legacy.Cdc), value)
-	require.Nil(t, err, "Unmarshalling HistoricalInfo failed")
-	require.Equal(t, hi.Header, recv.Header)
-	for i := range hi.Valset {
-		require.True(t, hi.Valset[i].Equal(&recv.Valset[i]))
-	}
-	require.True(t, sort.IsSorted(types.Validators(hi.Valset)), "Validators are not sorted")
-}
-
 func TestValidateBasic(t *testing.T) {
 	validators := createValidators(t)
 	hi := types.HistoricalInfo{

x/staking/types/keys.go

@@ -53,7 +53,7 @@ var (
 	RedelegationQueueKey = []byte{0x42} // prefix for the timestamps in redelegations queue
 	ValidatorQueueKey    = []byte{0x43} // prefix for the timestamps in validator queue
 
-	HistoricalInfoKey   = []byte{0x50}              // prefix for the historical info
+	HistoricalInfoKey   = collections.NewPrefix(80) // prefix for the historical info
 	ValidatorUpdatesKey = collections.NewPrefix(97) // prefix for the end block validator updates key
 
 	ParamsKey = []byte{0x51} // prefix for parameters for module x/staking
@@ -418,10 +418,3 @@ func GetREDsToValDstIndexKey(valDstAddr sdk.ValAddress) []byte {
 func GetREDsByDelToValDstIndexKey(delAddr sdk.AccAddress, valDstAddr sdk.ValAddress) []byte {
 	return append(GetREDsToValDstIndexKey(valDstAddr), address.MustLengthPrefix(delAddr)...)
 }
-
-// GetHistoricalInfoKey returns a key prefix for indexing HistoricalInfo objects.
-func GetHistoricalInfoKey(height int64) []byte {
-	heightBytes := make([]byte, 8)
-	binary.BigEndian.PutUint64(heightBytes, uint64(height))
-	return append(HistoricalInfoKey, heightBytes...)
-}