fix: get seq number for non-multisig signing (#754)

* fix: get seq number for non-multisig signing

* chore: apply pr review

CHANGELOG.md

@@ -122,6 +122,7 @@ Ref: https://keepachangelog.com/en/1.0.0/
 * (cli) [\#734](https://github.com/line/lbm-sdk/pull/734) add restrictions on the number of args in the CLIs
 * (client) [\#737](https://github.com/line/lbm-sdk/pull/737) check multisig key list to prevent unexpected key deletion
 * (simapp) [\#752](https://github.com/line/lbm-sdk/pull/752) add x/distribution's module account into blockedAddr
+* (x/auth) [\#754](https://github.com/line/lbm-sdk/pull/754) Fix wrong sequences in `sign-batch`
 
 ### Breaking Changes
 * (proto) [\#564](https://github.com/line/lbm-sdk/pull/564) change gRPC path to original cosmos path

x/auth/client/cli/tx_sign.go

@@ -90,6 +90,29 @@ func makeSignBatchCmd() func(cmd *cobra.Command, args []string) error {
 		}
 		scanner := authclient.NewBatchScanner(txCfg, infile)
 
+		if !clientCtx.Offline {
+			if ms == "" {
+				from, err := cmd.Flags().GetString(flags.FlagFrom)
+				if err != nil {
+					return err
+				}
+
+				addr, _, _, err := client.GetFromFields(txFactory.Keybase(), from, clientCtx.GenerateOnly)
+				if err != nil {
+					return err
+				}
+
+				acc, err := txFactory.AccountRetriever().GetAccount(clientCtx, addr)
+				if err != nil {
+					return err
+				}
+
+				txFactory = txFactory.WithAccountNumber(acc.GetAccountNumber()).WithSequence(acc.GetSequence())
+			} else {
+				txFactory = txFactory.WithAccountNumber(0).WithSequence(0)
+			}
+		}
+
 		for sequence := txFactory.Sequence(); scanner.Scan(); sequence++ {
 			unsignedStdTx := scanner.Tx()
 			txFactory = txFactory.WithSequence(sequence)

x/auth/client/testutil/suite.go

@@ -144,6 +144,40 @@ func (s *IntegrationTestSuite) TestCLISignBatch() {
 	// Sign batch malformed tx file signature only.
 	_, err = TxSignBatchExec(val.ClientCtx, val.Address, malformedFile.Name(), fmt.Sprintf("--%s=%s", flags.FlagChainID, val.ClientCtx.ChainID), "--signature-only")
 	s.Require().Error(err)
+
+	// make a txn to increase the sequence of sender
+	_, seq, err := val.ClientCtx.AccountRetriever.GetAccountNumberSequence(val.ClientCtx, val.Address)
+	s.Require().NoError(err)
+
+	account1, err := val.ClientCtx.Keyring.Key("newAccount1")
+	s.Require().NoError(err)
+
+	addr := account1.GetAddress()
+	s.Require().NoError(err)
+
+	// Send coins from validator to multisig.
+	_, err = s.createBankMsg(
+		val,
+		addr,
+		sdk.NewCoins(sdk.NewInt64Coin(s.cfg.BondDenom, 1000)),
+	)
+	s.Require().NoError(err)
+	s.Require().NoError(s.network.WaitForNextBlock())
+
+	// fetch the sequence after a tx, should be incremented.
+	_, seq1, err := val.ClientCtx.AccountRetriever.GetAccountNumberSequence(val.ClientCtx, val.Address)
+	s.Require().NoError(err)
+	s.Require().Equal(seq+1, seq1)
+
+	// signing sign-batch should start from the last sequence.
+	signed, err := TxSignBatchExec(val.ClientCtx, val.Address, outputFile.Name(), fmt.Sprintf("--%s=%s", flags.FlagChainID, val.ClientCtx.ChainID), "--signature-only")
+	s.Require().NoError(err)
+	signedTxs := strings.Split(strings.Trim(signed.String(), "\n"), "\n")
+	s.Require().GreaterOrEqual(len(signedTxs), 1)
+
+	sigs, err := s.cfg.TxConfig.UnmarshalSignatureJSON([]byte(signedTxs[0]))
+	s.Require().NoError(err)
+	s.Require().Equal(sigs[0].Sequence, seq1)
 }
 
 func (s *IntegrationTestSuite) TestCLISignAminoJSON() {
@@ -259,6 +293,7 @@ func (s *IntegrationTestSuite) TestCLIQueryTxCmdByHash() {
 		sdk.NewCoins(sendTokens),
 	)
 	s.Require().NoError(err)
+
 	var txRes sdk.TxResponse
 	s.Require().NoError(val.ClientCtx.Codec.UnmarshalJSON(out.Bytes(), &txRes))
 	s.Require().NoError(s.network.WaitForNextBlock())