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feat: export genesis in simapp v2 (#21199)
Co-authored-by: marbar3778 <marbar3778@yahoo.com>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,155 @@ | ||
| package simapp | ||
|
|
||
| import ( | ||
| "context" | ||
| "crypto/sha256" | ||
| "encoding/json" | ||
| "testing" | ||
| "time" | ||
|
|
||
| "github.com/cometbft/cometbft/types" | ||
| "github.com/spf13/viper" | ||
| "github.com/stretchr/testify/require" | ||
|
|
||
| app2 "cosmossdk.io/core/app" | ||
| "cosmossdk.io/core/comet" | ||
| context2 "cosmossdk.io/core/context" | ||
| "cosmossdk.io/core/store" | ||
| "cosmossdk.io/core/transaction" | ||
| "cosmossdk.io/log" | ||
| sdkmath "cosmossdk.io/math" | ||
| serverv2 "cosmossdk.io/server/v2" | ||
| comettypes "cosmossdk.io/server/v2/cometbft/types" | ||
| "cosmossdk.io/store/v2/db" | ||
| authtypes "cosmossdk.io/x/auth/types" | ||
| banktypes "cosmossdk.io/x/bank/types" | ||
|
|
||
| "github.com/cosmos/cosmos-sdk/crypto/keys/secp256k1" | ||
| "github.com/cosmos/cosmos-sdk/testutil/mock" | ||
| simtestutil "github.com/cosmos/cosmos-sdk/testutil/sims" | ||
| sdk "github.com/cosmos/cosmos-sdk/types" | ||
| ) | ||
|
|
||
| func NewTestApp(t *testing.T) (*SimApp[transaction.Tx], context.Context) { | ||
| t.Helper() | ||
|
|
||
| logger := log.NewTestLogger(t) | ||
|
|
||
| vp := viper.New() | ||
| vp.Set("store.app-db-backend", string(db.DBTypeGoLevelDB)) | ||
| vp.Set(serverv2.FlagHome, t.TempDir()) | ||
|
|
||
| app := NewSimApp[transaction.Tx](logger, vp) | ||
| genesis := app.ModuleManager().DefaultGenesis() | ||
|
|
||
| privVal := mock.NewPV() | ||
| pubKey, err := privVal.GetPubKey() | ||
| require.NoError(t, err) | ||
|
|
||
| // create validator set with single validator | ||
| validator := types.NewValidator(pubKey, 1) | ||
| valSet := types.NewValidatorSet([]*types.Validator{validator}) | ||
|
|
||
| // generate genesis account | ||
| senderPrivKey := secp256k1.GenPrivKey() | ||
| acc := authtypes.NewBaseAccount(senderPrivKey.PubKey().Address().Bytes(), senderPrivKey.PubKey(), 0, 0) | ||
| balance := banktypes.Balance{ | ||
| Address: acc.GetAddress().String(), | ||
| Coins: sdk.NewCoins(sdk.NewCoin(sdk.DefaultBondDenom, sdkmath.NewInt(100000000000000))), | ||
| } | ||
|
|
||
| genesis, err = simtestutil.GenesisStateWithValSet( | ||
| app.AppCodec(), | ||
| genesis, | ||
| valSet, | ||
| []authtypes.GenesisAccount{acc}, | ||
| balance, | ||
| ) | ||
| require.NoError(t, err) | ||
|
|
||
| genesisBytes, err := json.Marshal(genesis) | ||
| require.NoError(t, err) | ||
|
|
||
| st := app.GetStore().(comettypes.Store) | ||
| ci, err := st.LastCommitID() | ||
| require.NoError(t, err) | ||
|
|
||
| bz := sha256.Sum256([]byte{}) | ||
|
|
||
| ctx := context.Background() | ||
|
|
||
| _, newState, err := app.InitGenesis( | ||
| ctx, | ||
| &app2.BlockRequest[transaction.Tx]{ | ||
| Time: time.Now(), | ||
| Hash: bz[:], | ||
| ChainId: "theChain", | ||
| AppHash: ci.Hash, | ||
| IsGenesis: true, | ||
| }, | ||
| genesisBytes, | ||
| nil, | ||
| ) | ||
| require.NoError(t, err) | ||
|
|
||
| changes, err := newState.GetStateChanges() | ||
| require.NoError(t, err) | ||
|
|
||
| _, err = st.Commit(&store.Changeset{Changes: changes}) | ||
| require.NoError(t, err) | ||
|
|
||
| return app, ctx | ||
| } | ||
|
|
||
| func MoveNextBlock(t *testing.T, app *SimApp[transaction.Tx], ctx context.Context) { | ||
| t.Helper() | ||
|
|
||
| bz := sha256.Sum256([]byte{}) | ||
|
|
||
| st := app.GetStore().(comettypes.Store) | ||
| ci, err := st.LastCommitID() | ||
| require.NoError(t, err) | ||
|
|
||
| height, err := app.LoadLatestHeight() | ||
| require.NoError(t, err) | ||
|
|
||
| // TODO: this is a hack to set the comet info in the context for distribution module dependency. | ||
| ctx = context.WithValue(ctx, context2.CometInfoKey, comet.Info{ | ||
| Evidence: nil, | ||
| ValidatorsHash: nil, | ||
| ProposerAddress: nil, | ||
| LastCommit: comet.CommitInfo{}, | ||
| }) | ||
|
|
||
| _, newState, err := app.DeliverBlock( | ||
| ctx, | ||
| &app2.BlockRequest[transaction.Tx]{ | ||
| Height: height + 1, | ||
| Time: time.Now(), | ||
| Hash: bz[:], | ||
| AppHash: ci.Hash, | ||
| }) | ||
| require.NoError(t, err) | ||
|
|
||
| changes, err := newState.GetStateChanges() | ||
| require.NoError(t, err) | ||
|
|
||
| _, err = st.Commit(&store.Changeset{Changes: changes}) | ||
| require.NoError(t, err) | ||
| } | ||
|
|
||
| func TestSimAppExportAndBlockedAddrs_WithOneBlockProduced(t *testing.T) { | ||
| app, ctx := NewTestApp(t) | ||
|
|
||
| MoveNextBlock(t, app, ctx) | ||
|
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| _, err := app.ExportAppStateAndValidators(nil) | ||
| require.NoError(t, err) | ||
| } | ||
|
|
||
| func TestSimAppExportAndBlockedAddrs_NoBlocksProduced(t *testing.T) { | ||
| app, _ := NewTestApp(t) | ||
|
|
||
| _, err := app.ExportAppStateAndValidators(nil) | ||
| require.NoError(t, err) | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,10 +1,29 @@ | ||
| package simapp | ||
|
|
||
| import ( | ||
| servertypes "github.com/cosmos/cosmos-sdk/server/types" | ||
| "context" | ||
|
|
||
| v2 "github.com/cosmos/cosmos-sdk/x/genutil/v2" | ||
| ) | ||
|
|
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| // ExportAppStateAndValidators exports the state of the application for a genesis file. | ||
| func (app *SimApp[T]) ExportAppStateAndValidators(forZeroHeight bool, jailAllowedAddrs, modulesToExport []string) (servertypes.ExportedApp, error) { | ||
| panic("not implemented") | ||
| // 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 | ||
| ctx := context.Background() | ||
|
|
||
| latestHeight, err := app.LoadLatestHeight() | ||
| if err != nil { | ||
| return v2.ExportedApp{}, err | ||
| } | ||
|
|
||
| genesis, err := app.ExportGenesis(ctx, latestHeight) | ||
| if err != nil { | ||
| return v2.ExportedApp{}, err | ||
| } | ||
|
|
||
| return v2.ExportedApp{ | ||
| AppState: genesis, | ||
| Height: int64(latestHeight), | ||
| }, nil | ||
| } |
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