refactor(genutil): Use sdk types genesis validator (backport #21678)

crypto/codec/pubkey.go

@@ -0,0 +1,53 @@
+package codec
+
+import (
+	"cosmossdk.io/errors"
+
+	cryptokeys "github.com/cosmos/cosmos-sdk/crypto/keys"
+	bls12_381 "github.com/cosmos/cosmos-sdk/crypto/keys/bls12_381"
+	"github.com/cosmos/cosmos-sdk/crypto/keys/ed25519"
+	"github.com/cosmos/cosmos-sdk/crypto/keys/secp256k1"
+	cryptotypes "github.com/cosmos/cosmos-sdk/crypto/types"
+	sdkerrors "github.com/cosmos/cosmos-sdk/types/errors"
+)
+
+func PubKeyToProto(pk cryptokeys.JSONPubkey) (cryptotypes.PubKey, error) {
+	switch pk.KeyType {
+	case ed25519.PubKeyName:
+		return &ed25519.PubKey{
+			Key: pk.Value,
+		}, nil
+	case secp256k1.PubKeyName:
+		return &secp256k1.PubKey{
+			Key: pk.Value,
+		}, nil
+	case bls12_381.PubKeyName:
+		return &bls12_381.PubKey{
+			Key: pk.Value,
+		}, nil
+	default:
+		return nil, errors.Wrapf(sdkerrors.ErrInvalidType, "cannot convert %v to proto public key", pk)
+	}
+}
+
+func PubKeyFromProto(pk cryptotypes.PubKey) (cryptokeys.JSONPubkey, error) {
+	switch pk := pk.(type) {
+	case *ed25519.PubKey:
+		return cryptokeys.JSONPubkey{
+			KeyType: ed25519.PubKeyName,
+			Value:   pk.Bytes(),
+		}, nil
+	case *secp256k1.PubKey:
+		return cryptokeys.JSONPubkey{
+			KeyType: secp256k1.PubKeyName,
+			Value:   pk.Bytes(),
+		}, nil
+	case *bls12_381.PubKey:
+		return cryptokeys.JSONPubkey{
+			KeyType: bls12_381.PubKeyName,
+			Value:   pk.Bytes(),
+		}, nil
+	default:
+		return cryptokeys.JSONPubkey{}, errors.Wrapf(sdkerrors.ErrInvalidType, "cannot convert %v from proto public key", pk)
+	}
+}

crypto/keys/jsonkey.go

@@ -0,0 +1,41 @@
+package keys
+
+import (
+	"github.com/cosmos/cosmos-sdk/crypto/keys/bls12_381"
+	"github.com/cosmos/cosmos-sdk/crypto/keys/ed25519"
+	"github.com/cosmos/cosmos-sdk/crypto/keys/secp256k1"
+	"github.com/cosmos/cosmos-sdk/crypto/types"
+)
+
+// JSONPubKey defines a public key that are parse from JSON file.
+// convert PubKey to JSONPubKey needs a in between step
+type JSONPubkey struct {
+	KeyType string `json:"type"`
+	Value   []byte `json:"value"`
+}
+
+func (pk JSONPubkey) Address() types.Address {
+	switch pk.KeyType {
+	case ed25519.PubKeyName:
+		ed25519 := ed25519.PubKey{
+			Key: pk.Value,
+		}
+		return ed25519.Address()
+	case secp256k1.PubKeyName:
+		secp256k1 := secp256k1.PubKey{
+			Key: pk.Value,
+		}
+		return secp256k1.Address()
+	case bls12_381.PubKeyName:
+		bls12_381 := bls12_381.PubKey{
+			Key: pk.Value,
+		}
+		return bls12_381.Address()
+	default:
+		return nil
+	}
+}
+
+func (pk JSONPubkey) Bytes() []byte {
+	return pk.Value
+}

server/types/app.go

@@ -6,7 +6,6 @@ import (
 
 	cmtproto "github.com/cometbft/cometbft/api/cometbft/types/v1"
 	cmtcrypto "github.com/cometbft/cometbft/crypto"
-	cmttypes "github.com/cometbft/cometbft/types"
 	"github.com/cosmos/gogoproto/grpc"
 
 	"cosmossdk.io/core/server"
@@ -18,6 +17,7 @@ import (
 	"github.com/cosmos/cosmos-sdk/client"
 	"github.com/cosmos/cosmos-sdk/server/api"
 	"github.com/cosmos/cosmos-sdk/server/config"
+	sdk "github.com/cosmos/cosmos-sdk/types"
 )
 
 type (
@@ -76,7 +76,7 @@ type (
 		// AppState is the application state as JSON.
 		AppState json.RawMessage
 		// Validators is the exported validator set.
-		Validators []cmttypes.GenesisValidator
+		Validators []sdk.GenesisValidator
 		// Height is the app's latest block height.
 		Height int64
 		// ConsensusParams are the exported consensus params for ABCI.

simapp/export.go

@@ -5,15 +5,13 @@ import (
 	"fmt"
 
 	cmtproto "github.com/cometbft/cometbft/api/cometbft/types/v1"
-	cmttypes "github.com/cometbft/cometbft/types"
 
 	"cosmossdk.io/collections"
 	storetypes "cosmossdk.io/store/types"
 	slashingtypes "cosmossdk.io/x/slashing/types"
 	"cosmossdk.io/x/staking"
 	stakingtypes "cosmossdk.io/x/staking/types"
 
-	cryptocodec "github.com/cosmos/cosmos-sdk/crypto/codec"
 	servertypes "github.com/cosmos/cosmos-sdk/server/types"
 	sdk "github.com/cosmos/cosmos-sdk/types"
 )
@@ -43,25 +41,10 @@ func (app *SimApp) ExportAppStateAndValidators(forZeroHeight bool, jailAllowedAd
 	}
 
 	validators, err := staking.WriteValidators(ctx, app.StakingKeeper)
-	cmtValidators := []cmttypes.GenesisValidator{}
-	for _, val := range validators {
-		cmtPk, err := cryptocodec.ToCmtPubKeyInterface(val.PubKey)
-		if err != nil {
-			return servertypes.ExportedApp{}, err
-		}
-		cmtVal := cmttypes.GenesisValidator{
-			Address: val.Address.Bytes(),
-			PubKey:  cmtPk,
-			Power:   val.Power,
-			Name:    val.Name,
-		}
-
-		cmtValidators = append(cmtValidators, cmtVal)
-	}
 
 	return servertypes.ExportedApp{
 		AppState:        appState,
-		Validators:      cmtValidators,
+		Validators:      validators,
 		Height:          height,
 		ConsensusParams: app.BaseApp.GetConsensusParams(ctx),
 	}, err

simapp/v2/app_di.go

@@ -13,10 +13,12 @@ import (
 	"cosmossdk.io/log"
 	"cosmossdk.io/runtime/v2"
 	serverstore "cosmossdk.io/server/v2/store"
+	"cosmossdk.io/store/v2"
 	"cosmossdk.io/store/v2/root"
 	basedepinject "cosmossdk.io/x/accounts/defaults/base/depinject"
 	lockupdepinject "cosmossdk.io/x/accounts/defaults/lockup/depinject"
 	multisigdepinject "cosmossdk.io/x/accounts/defaults/multisig/depinject"
+	stakingkeeper "cosmossdk.io/x/staking/keeper"
 	upgradekeeper "cosmossdk.io/x/upgrade/keeper"
 
 	"github.com/cosmos/cosmos-sdk/client"
@@ -38,10 +40,12 @@ type SimApp[T transaction.Tx] struct {
 	appCodec          codec.Codec
 	txConfig          client.TxConfig
 	interfaceRegistry codectypes.InterfaceRegistry
+	store             store.RootStore
 
 	// required keepers during wiring
 	// others keepers are all in the app
 	UpgradeKeeper *upgradekeeper.Keeper
+	StakingKeeper *stakingkeeper.Keeper
 }
 
 func init() {
@@ -161,6 +165,7 @@ func NewSimApp[T transaction.Tx](
 		&app.txConfig,
 		&app.interfaceRegistry,
 		&app.UpgradeKeeper,
+		&app.StakingKeeper,
 	); err != nil {
 		panic(err)
 	}
@@ -170,7 +175,8 @@ func NewSimApp[T transaction.Tx](
 	if err != nil {
 		panic(err)
 	}
-	_, err = storeBuilder.Build(logger, storeConfig)
+
+	app.store, err = storeBuilder.Build(logger, storeConfig)
 	if err != nil {
 		panic(err)
 	}
@@ -213,7 +219,6 @@ func (app *SimApp[T]) TxConfig() client.TxConfig {
 	return app.txConfig
 }
 
-// GetStore gets the app store.
-func (app *SimApp[T]) GetStore() any {
-	return app.App.GetStore()
+func (app *SimApp[T]) GetStore() store.RootStore {
+	return app.store
 }

simapp/v2/app_test.go

@@ -20,7 +20,6 @@ import (
 	sdkmath "cosmossdk.io/math"
 	"cosmossdk.io/runtime/v2"
 	serverv2 "cosmossdk.io/server/v2"
-	comettypes "cosmossdk.io/server/v2/cometbft/types"
 	"cosmossdk.io/store/v2/db"
 	banktypes "cosmossdk.io/x/bank/types"
 
@@ -74,7 +73,7 @@ func NewTestApp(t *testing.T) (*SimApp[transaction.Tx], context.Context) {
 	genesisBytes, err := json.Marshal(genesis)
 	require.NoError(t, err)
 
-	st := app.GetStore().(comettypes.Store)
+	st := app.GetStore()
 	ci, err := st.LastCommitID()
 	require.NoError(t, err)
 
@@ -110,7 +109,7 @@ func MoveNextBlock(t *testing.T, app *SimApp[transaction.Tx], ctx context.Contex
 
 	bz := sha256.Sum256([]byte{})
 
-	st := app.GetStore().(comettypes.Store)
+	st := app.GetStore()
 	ci, err := st.LastCommitID()
 	require.NoError(t, err)
 

simapp/v2/export.go

@@ -3,27 +3,46 @@ package simapp
 import (
 	"context"
 
+	"cosmossdk.io/runtime/v2/services"
+	"cosmossdk.io/x/staking"
+
 	v2 "github.com/cosmos/cosmos-sdk/x/genutil/v2"
 )
 
 // ExportAppStateAndValidators exports the state of the application for a genesis
 // file.
-func (app *SimApp[T]) ExportAppStateAndValidators(jailAllowedAddrs []string) (v2.ExportedApp, error) {
-	// as if they could withdraw from the start of the next block
+// This is a demonstation of how to export a genesis file. Export may need extended at
+// the user discretion for cleaning the genesis state at the end provided with jailAllowedAddrs
+func (app *SimApp[T]) ExportAppStateAndValidators(
+	jailAllowedAddrs []string,
+) (v2.ExportedApp, error) {
 	ctx := context.Background()
+	var exportedApp v2.ExportedApp
 
 	latestHeight, err := app.LoadLatestHeight()
 	if err != nil {
-		return v2.ExportedApp{}, err
+		return exportedApp, err
 	}
 
 	genesis, err := app.ExportGenesis(ctx, latestHeight)
 	if err != nil {
-		return v2.ExportedApp{}, err
+		return exportedApp, err
+	}
+
+	readerMap, err := app.GetStore().StateAt(latestHeight)
+	if err != nil {
+		return exportedApp, err
+	}
+	genesisCtx := services.NewGenesisContext(readerMap)
+	err = genesisCtx.Read(ctx, func(ctx context.Context) error {
+		exportedApp.Validators, err = staking.WriteValidators(ctx, app.StakingKeeper)
+		return err
+	})
+	if err != nil {
+		return exportedApp, err
 	}
 
-	return v2.ExportedApp{
-		AppState: genesis,
-		Height:   int64(latestHeight),
-	}, nil
+	exportedApp.AppState = genesis
+	exportedApp.Height = int64(latestHeight)
+	return exportedApp, nil
 }

simapp/v2/go.mod

@@ -10,7 +10,7 @@ require (
 	cosmossdk.io/depinject v1.0.0
 	cosmossdk.io/log v1.4.1
 	cosmossdk.io/math v1.3.0
-	cosmossdk.io/runtime/v2 v2.0.0-20241008175849-325728a9fd6c // main
+	cosmossdk.io/runtime/v2 v2.0.0-20241009051805-4aeb0539252b // main
 	cosmossdk.io/server/v2 v2.0.0-20241008175849-325728a9fd6c // main
 	cosmossdk.io/server/v2/cometbft v0.0.0-00010101000000-000000000000
 	cosmossdk.io/store/v2 v2.0.0-20241008175849-325728a9fd6c // main

simapp/v2/go.sum

@@ -210,8 +210,8 @@ cosmossdk.io/log v1.4.1 h1:wKdjfDRbDyZRuWa8M+9nuvpVYxrEOwbD/CA8hvhU8QM=
 cosmossdk.io/log v1.4.1/go.mod h1:k08v0Pyq+gCP6phvdI6RCGhLf/r425UT6Rk/m+o74rU=
 cosmossdk.io/math v1.3.0 h1:RC+jryuKeytIiictDslBP9i1fhkVm6ZDmZEoNP316zE=
 cosmossdk.io/math v1.3.0/go.mod h1:vnRTxewy+M7BtXBNFybkuhSH4WfedVAAnERHgVFhp3k=
-cosmossdk.io/runtime/v2 v2.0.0-20241008175849-325728a9fd6c h1:+msBeQ6/bmJOhJPV7fye1bYf86LTaRMJezwTc5LSBUs=
-cosmossdk.io/runtime/v2 v2.0.0-20241008175849-325728a9fd6c/go.mod h1:pmne/XLLzEbQ6JeM/nQoZVvK19ZtMvvEMq6qOMp9MHs=
+cosmossdk.io/runtime/v2 v2.0.0-20241009051805-4aeb0539252b h1:ncc1ce9iZgUeTNVKkTeJ4tiVEgGGpPRk7I28PhzFqqY=
+cosmossdk.io/runtime/v2 v2.0.0-20241009051805-4aeb0539252b/go.mod h1:pmne/XLLzEbQ6JeM/nQoZVvK19ZtMvvEMq6qOMp9MHs=
 cosmossdk.io/schema v0.3.1-0.20240930054013-7c6e0388a3f9 h1:DmOoS/1PeY6Ih0hAVlJ69kLMUrLV+TCbfICrZtB1vdU=
 cosmossdk.io/schema v0.3.1-0.20240930054013-7c6e0388a3f9/go.mod h1:RDAhxIeNB4bYqAlF4NBJwRrgtnciMcyyg0DOKnhNZQQ=
 cosmossdk.io/server/v2 v2.0.0-20241008175849-325728a9fd6c h1:SobvpV3A/LPlmQ+mM6YrJHt7rRP6Cp7aVOB2ulwEBEc=

tests/e2e/genutil/export_test.go

@@ -31,6 +31,7 @@ import (
 	"github.com/cosmos/cosmos-sdk/server/types"
 	simtestutil "github.com/cosmos/cosmos-sdk/testutil/sims"
 	gentestutil "github.com/cosmos/cosmos-sdk/testutil/x/genutil"
+	sdk "github.com/cosmos/cosmos-sdk/types"
 	"github.com/cosmos/cosmos-sdk/x/genutil"
 	genutilcli "github.com/cosmos/cosmos-sdk/x/genutil/client/cli"
 	genutiltypes "github.com/cosmos/cosmos-sdk/x/genutil/types"
@@ -184,7 +185,7 @@ func setupApp(t *testing.T, tempDir string) (*simapp.SimApp, context.Context, ge
 		ChainID:  "theChainId",
 		AppState: stateBytes,
 		Consensus: &genutiltypes.ConsensusGenesis{
-			Validators: nil,
+			Validators: []sdk.GenesisValidator{},
 		},
 	}
 

types/staking.go

@@ -3,6 +3,7 @@ package types
 import (
 	"cosmossdk.io/math"
 
+	cryptokeys "github.com/cosmos/cosmos-sdk/crypto/keys"
 	cryptotypes "github.com/cosmos/cosmos-sdk/crypto/types"
 )
 
@@ -98,3 +99,11 @@ type ValidatorI interface {
 	SharesFromTokens(amt math.Int) (math.LegacyDec, error)          // shares worth of delegator's bond
 	SharesFromTokensTruncated(amt math.Int) (math.LegacyDec, error) // truncated shares worth of delegator's bond
 }
+
+// GenesisValidator is an initial validator.
+type GenesisValidator struct {
+	Address ConsAddress           `json:"address"`
+	PubKey  cryptokeys.JSONPubkey `json:"pub_key"`
+	Power   int64                 `json:"power"`
+	Name    string                `json:"name"`
+}