Add config to disable seqno

baseapp/block_gas_test.go

@@ -125,7 +125,7 @@ func TestBaseApp_BlockGas(t *testing.T) {
 			}
 			// check block gas is always consumed - this value may change if we update the logic for
 			// how gas is consumed
-			baseGas := uint64(58406) // baseGas is the gas consumed before tx msg
+			baseGas := uint64(62766) // baseGas is the gas consumed before tx msg
 			expGasConsumed := addUint64Saturating(tc.gasToConsume, baseGas)
 			if expGasConsumed > txtypes.MaxGasWanted {
 				// capped by gasLimit

proto/cosmos/auth/v1beta1/auth.proto

@@ -47,4 +47,5 @@ message Params {
       [(gogoproto.customname) = "SigVerifyCostED25519", (gogoproto.moretags) = "yaml:\"sig_verify_cost_ed25519\""];
   uint64 sig_verify_cost_secp256k1 = 5
       [(gogoproto.customname) = "SigVerifyCostSecp256k1", (gogoproto.moretags) = "yaml:\"sig_verify_cost_secp256k1\""];
+  bool   disable_seqno_check       = 6;
 }

x/auth/ante/ante_test.go

@@ -1152,3 +1152,61 @@ func (suite *AnteTestSuite) TestAnteHandlerReCheck() {
 	_, err = suite.anteHandler(suite.ctx, tx, false)
 	suite.Require().NotNil(err, "antehandler on recheck did not fail once feePayer no longer has sufficient funds")
 }
+
+func (suite *AnteTestSuite) TestDisableSeqNo() {
+	suite.SetupTest(false) // setup
+	authParams := types.Params{
+		MaxMemoCharacters:      types.DefaultMaxMemoCharacters,
+		TxSigLimit:             types.DefaultTxSigLimit,
+		TxSizeCostPerByte:      types.DefaultTxSizeCostPerByte,
+		SigVerifyCostED25519:   types.DefaultSigVerifyCostED25519,
+		SigVerifyCostSecp256k1: types.DefaultSigVerifyCostSecp256k1,
+		DisableSeqnoCheck:      true,
+	}
+	suite.app.AccountKeeper.SetParams(suite.ctx, authParams)
+
+	// Same data for every test cases
+	accounts := suite.CreateTestAccounts(1)
+	feeAmount := testdata.NewTestFeeAmount()
+	gasLimit := testdata.NewTestGasLimit()
+
+	// Variable data per test case
+	var (
+		accNums []uint64
+		msgs    []sdk.Msg
+		privs   []cryptotypes.PrivKey
+		accSeqs []uint64
+	)
+
+	testCases := []TestCase{
+		{
+			"good tx from one signer",
+			func() {
+				msg := testdata.NewTestMsg(accounts[0].acc.GetAddress())
+				msgs = []sdk.Msg{msg}
+
+				privs, accNums, accSeqs = []cryptotypes.PrivKey{accounts[0].priv}, []uint64{0}, []uint64{0}
+			},
+			false,
+			true,
+			nil,
+		},
+		{
+			"test sending it again succeeds (disable seqno check is true)",
+			func() {
+				privs, accNums, accSeqs = []cryptotypes.PrivKey{accounts[0].priv}, []uint64{0}, []uint64{0}
+			},
+			false,
+			true,
+			nil,
+		},
+	}
+	for _, tc := range testCases {
+		suite.Run(fmt.Sprintf("Case %s", tc.desc), func() {
+			suite.txBuilder = suite.clientCtx.TxConfig.NewTxBuilder()
+			tc.malleate()
+
+			suite.RunTestCase(privs, msgs, feeAmount, gasLimit, accNums, accSeqs, suite.ctx.ChainID(), tc)
+		})
+	}
+}

x/auth/ante/batch_sigverify.go

@@ -132,11 +132,14 @@ func (v *SR25519BatchVerifier) VerifyTxs(ctx sdk.Context, txs []sdk.Tx) {
 
 			sig := sigsList[i][j]
 			if sig.Sequence != seqNum {
-				v.errors[i] = sdkerrors.Wrapf(
-					sdkerrors.ErrWrongSequence,
-					"account sequence mismatch, expected %d, got %d", acc.GetSequence(), sig.Sequence,
-				)
-				continue
+				params := v.ak.GetParams(ctx)
+				if !params.GetDisableSeqnoCheck() {
+					v.errors[i] = sdkerrors.Wrapf(
+						sdkerrors.ErrWrongSequence,
+						"account sequence mismatch, expected %d, got %d", acc.GetSequence(), sig.Sequence,
+					)
+					continue
+				}
 			}
 
 			switch data := sig.Data.(type) {

x/auth/ante/sigverify.go

@@ -268,10 +268,13 @@ func (svd SigVerificationDecorator) AnteHandle(ctx sdk.Context, tx sdk.Tx, simul
 
 		// Check account sequence number.
 		if sig.Sequence != acc.GetSequence() {
-			return ctx, sdkerrors.Wrapf(
-				sdkerrors.ErrWrongSequence,
-				"account sequence mismatch, expected %d, got %d", acc.GetSequence(), sig.Sequence,
-			)
+			params := svd.ak.GetParams(ctx)
+			if !params.GetDisableSeqnoCheck() {
+				return ctx, sdkerrors.Wrapf(
+					sdkerrors.ErrWrongSequence,
+					"account sequence mismatch, expected %d, got %d", acc.GetSequence(), sig.Sequence,
+				)
+			}
 		}
 
 		// retrieve signer data

x/auth/legacy/v040/migrate_test.go

@@ -241,6 +241,7 @@ func TestMigrate(t *testing.T) {
     }
   ],
   "params": {
+    "disable_seqno_check": false,
     "max_memo_characters": "10",
     "sig_verify_cost_ed25519": "40",
     "sig_verify_cost_secp256k1": "50",

x/auth/types/params.go

@@ -24,6 +24,7 @@ var (
 	KeyTxSizeCostPerByte      = []byte("TxSizeCostPerByte")
 	KeySigVerifyCostED25519   = []byte("SigVerifyCostED25519")
 	KeySigVerifyCostSecp256k1 = []byte("SigVerifyCostSecp256k1")
+	KeyDisableSeqnoCheck      = []byte("KeyDisableSeqnoCheck")
 )
 
 var _ paramtypes.ParamSet = &Params{}
@@ -55,6 +56,7 @@ func (p *Params) ParamSetPairs() paramtypes.ParamSetPairs {
 		paramtypes.NewParamSetPair(KeyTxSizeCostPerByte, &p.TxSizeCostPerByte, validateTxSizeCostPerByte),
 		paramtypes.NewParamSetPair(KeySigVerifyCostED25519, &p.SigVerifyCostED25519, validateSigVerifyCostED25519),
 		paramtypes.NewParamSetPair(KeySigVerifyCostSecp256k1, &p.SigVerifyCostSecp256k1, validateSigVerifyCostSecp256k1),
+		paramtypes.NewParamSetPair(KeyDisableSeqnoCheck, &p.DisableSeqnoCheck, func(i interface{}) error { return nil }),
 	}
 }