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fix: revert tx when block gas limit exceeded (backport: cosmos#10770) (…
…cosmos#10814) * revert tx when block gas limit exceeded (backport: cosmos#10770) - used a different solution. changelog * add unit test * Update baseapp/baseapp.go Co-authored-by: Robert Zaremba <robert@zaremba.ch> * simplfy the defer function Co-authored-by: Robert Zaremba <robert@zaremba.ch>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,200 @@ | ||
| package baseapp_test | ||
|
|
||
| import ( | ||
| "encoding/json" | ||
| "fmt" | ||
| "math" | ||
| "testing" | ||
|
|
||
| "github.com/stretchr/testify/require" | ||
| abci "github.com/tendermint/tendermint/abci/types" | ||
| "github.com/tendermint/tendermint/libs/log" | ||
| tmproto "github.com/tendermint/tendermint/proto/tendermint/types" | ||
| dbm "github.com/tendermint/tm-db" | ||
|
|
||
| "github.com/cosmos/cosmos-sdk/baseapp" | ||
| "github.com/cosmos/cosmos-sdk/client" | ||
| "github.com/cosmos/cosmos-sdk/client/tx" | ||
| cryptotypes "github.com/cosmos/cosmos-sdk/crypto/types" | ||
| "github.com/cosmos/cosmos-sdk/simapp" | ||
| "github.com/cosmos/cosmos-sdk/testutil/testdata" | ||
| sdk "github.com/cosmos/cosmos-sdk/types" | ||
| sdkerrors "github.com/cosmos/cosmos-sdk/types/errors" | ||
| txtypes "github.com/cosmos/cosmos-sdk/types/tx" | ||
| "github.com/cosmos/cosmos-sdk/types/tx/signing" | ||
| xauthsigning "github.com/cosmos/cosmos-sdk/x/auth/signing" | ||
| banktypes "github.com/cosmos/cosmos-sdk/x/bank/types" | ||
| minttypes "github.com/cosmos/cosmos-sdk/x/mint/types" | ||
| ) | ||
|
|
||
| var blockMaxGas = uint64(simapp.DefaultConsensusParams.Block.MaxGas) | ||
|
|
||
| func TestBaseApp_BlockGas(t *testing.T) { | ||
| testcases := []struct { | ||
| name string | ||
| gasToConsume uint64 // gas to consume in the msg execution | ||
| panicTx bool // panic explicitly in tx execution | ||
| expErr bool | ||
| }{ | ||
| {"less than block gas meter", 10, false, false}, | ||
| {"more than block gas meter", blockMaxGas, false, true}, | ||
| {"more than block gas meter", uint64(float64(blockMaxGas) * 1.2), false, true}, | ||
| {"consume MaxUint64", math.MaxUint64, false, true}, | ||
| {"consume MaxGasWanted", txtypes.MaxGasWanted, false, true}, | ||
| {"consume block gas when paniced", 10, true, true}, | ||
| } | ||
| for _, tc := range testcases { | ||
| t.Run(tc.name, func(t *testing.T) { | ||
| var app *simapp.SimApp | ||
| routerOpt := func(bapp *baseapp.BaseApp) { | ||
| route := (&testdata.TestMsg{}).Route() | ||
| bapp.Router().AddRoute(sdk.NewRoute(route, func(ctx sdk.Context, msg sdk.Msg) (*sdk.Result, error) { | ||
| _, ok := msg.(*testdata.TestMsg) | ||
| if !ok { | ||
| return &sdk.Result{}, fmt.Errorf("Wrong Msg type, expected %T, got %T", (*testdata.TestMsg)(nil), msg) | ||
| } | ||
| ctx.KVStore(app.GetKey(banktypes.ModuleName)).Set([]byte("ok"), []byte("ok")) | ||
| ctx.GasMeter().ConsumeGas(tc.gasToConsume, "TestMsg") | ||
| if tc.panicTx { | ||
| panic("panic in tx execution") | ||
| } | ||
| return &sdk.Result{}, nil | ||
| })) | ||
| } | ||
| encCfg := simapp.MakeTestEncodingConfig() | ||
| encCfg.Amino.RegisterConcrete(&testdata.TestMsg{}, "testdata.TestMsg", nil) | ||
| encCfg.InterfaceRegistry.RegisterImplementations((*sdk.Msg)(nil), | ||
| &testdata.TestMsg{}, | ||
| ) | ||
| app = simapp.NewSimApp(log.NewNopLogger(), dbm.NewMemDB(), nil, true, map[int64]bool{}, "", 0, encCfg, simapp.EmptyAppOptions{}, routerOpt) | ||
| genState := simapp.NewDefaultGenesisState(encCfg.Marshaler) | ||
| stateBytes, err := json.MarshalIndent(genState, "", " ") | ||
| require.NoError(t, err) | ||
| app.InitChain(abci.RequestInitChain{ | ||
| Validators: []abci.ValidatorUpdate{}, | ||
| ConsensusParams: simapp.DefaultConsensusParams, | ||
| AppStateBytes: stateBytes, | ||
| }) | ||
|
|
||
| ctx := app.NewContext(false, tmproto.Header{}) | ||
|
|
||
| // tx fee | ||
| feeCoin := sdk.NewCoin("atom", sdk.NewInt(150)) | ||
| feeAmount := sdk.NewCoins(feeCoin) | ||
|
|
||
| // test account and fund | ||
| priv1, _, addr1 := testdata.KeyTestPubAddr() | ||
| err = app.BankKeeper.MintCoins(ctx, minttypes.ModuleName, feeAmount) | ||
| require.NoError(t, err) | ||
| err = app.BankKeeper.SendCoinsFromModuleToAccount(ctx, minttypes.ModuleName, addr1, feeAmount) | ||
| require.NoError(t, err) | ||
| require.Equal(t, feeCoin.Amount, app.BankKeeper.GetBalance(ctx, addr1, feeCoin.Denom).Amount) | ||
| seq, _ := app.AccountKeeper.GetSequence(ctx, addr1) | ||
| require.Equal(t, uint64(0), seq) | ||
|
|
||
| // msg and signatures | ||
| msg := testdata.NewTestMsg(addr1) | ||
|
|
||
| txBuilder := encCfg.TxConfig.NewTxBuilder() | ||
| require.NoError(t, txBuilder.SetMsgs(msg)) | ||
| txBuilder.SetFeeAmount(feeAmount) | ||
| txBuilder.SetGasLimit(txtypes.MaxGasWanted) // tx validation checks that gasLimit can't be bigger than this | ||
|
|
||
| privs, accNums, accSeqs := []cryptotypes.PrivKey{priv1}, []uint64{6}, []uint64{0} | ||
| _, txBytes, err := createTestTx(encCfg.TxConfig, txBuilder, privs, accNums, accSeqs, ctx.ChainID()) | ||
| require.NoError(t, err) | ||
|
|
||
| app.BeginBlock(abci.RequestBeginBlock{Header: tmproto.Header{Height: 1}}) | ||
| rsp := app.DeliverTx(abci.RequestDeliverTx{Tx: txBytes}) | ||
|
|
||
| // check result | ||
| ctx = app.GetContextForDeliverTx(txBytes) | ||
| okValue := ctx.KVStore(app.GetKey(banktypes.ModuleName)).Get([]byte("ok")) | ||
|
|
||
| if tc.expErr { | ||
| if tc.panicTx { | ||
| require.Equal(t, sdkerrors.ErrPanic.ABCICode(), rsp.Code) | ||
| } else { | ||
| require.Equal(t, sdkerrors.ErrOutOfGas.ABCICode(), rsp.Code) | ||
| } | ||
| require.Empty(t, okValue) | ||
| } else { | ||
| require.Equal(t, uint32(0), rsp.Code) | ||
| require.Equal(t, []byte("ok"), okValue) | ||
| } | ||
| // check block gas is always consumed | ||
| baseGas := uint64(59142) // baseGas is the gas consumed before tx msg | ||
| expGasConsumed := addUint64Saturating(tc.gasToConsume, baseGas) | ||
| if expGasConsumed > txtypes.MaxGasWanted { | ||
| // capped by gasLimit | ||
| expGasConsumed = txtypes.MaxGasWanted | ||
| } | ||
| require.Equal(t, expGasConsumed, ctx.BlockGasMeter().GasConsumed()) | ||
| // tx fee is always deducted | ||
| require.Equal(t, int64(0), app.BankKeeper.GetBalance(ctx, addr1, feeCoin.Denom).Amount.Int64()) | ||
| // sender's sequence is always increased | ||
| seq, err = app.AccountKeeper.GetSequence(ctx, addr1) | ||
| require.NoError(t, err) | ||
| require.Equal(t, uint64(1), seq) | ||
| }) | ||
| } | ||
| } | ||
|
|
||
| func createTestTx(txConfig client.TxConfig, txBuilder client.TxBuilder, privs []cryptotypes.PrivKey, accNums []uint64, accSeqs []uint64, chainID string) (xauthsigning.Tx, []byte, error) { | ||
| // First round: we gather all the signer infos. We use the "set empty | ||
| // signature" hack to do that. | ||
| var sigsV2 []signing.SignatureV2 | ||
| for i, priv := range privs { | ||
| sigV2 := signing.SignatureV2{ | ||
| PubKey: priv.PubKey(), | ||
| Data: &signing.SingleSignatureData{ | ||
| SignMode: txConfig.SignModeHandler().DefaultMode(), | ||
| Signature: nil, | ||
| }, | ||
| Sequence: accSeqs[i], | ||
| } | ||
|
|
||
| sigsV2 = append(sigsV2, sigV2) | ||
| } | ||
| err := txBuilder.SetSignatures(sigsV2...) | ||
| if err != nil { | ||
| return nil, nil, err | ||
| } | ||
|
|
||
| // Second round: all signer infos are set, so each signer can sign. | ||
| sigsV2 = []signing.SignatureV2{} | ||
| for i, priv := range privs { | ||
| signerData := xauthsigning.SignerData{ | ||
| ChainID: chainID, | ||
| AccountNumber: accNums[i], | ||
| Sequence: accSeqs[i], | ||
| } | ||
| sigV2, err := tx.SignWithPrivKey( | ||
| txConfig.SignModeHandler().DefaultMode(), signerData, | ||
| txBuilder, priv, txConfig, accSeqs[i]) | ||
| if err != nil { | ||
| return nil, nil, err | ||
| } | ||
|
|
||
| sigsV2 = append(sigsV2, sigV2) | ||
| } | ||
| err = txBuilder.SetSignatures(sigsV2...) | ||
| if err != nil { | ||
| return nil, nil, err | ||
| } | ||
|
|
||
| txBytes, err := txConfig.TxEncoder()(txBuilder.GetTx()) | ||
| if err != nil { | ||
| return nil, nil, err | ||
| } | ||
|
|
||
| return txBuilder.GetTx(), txBytes, nil | ||
| } | ||
|
|
||
| func addUint64Saturating(a, b uint64) uint64 { | ||
| if math.MaxUint64-a < b { | ||
| return math.MaxUint64 | ||
| } | ||
|
|
||
| return a + b | ||
| } |
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