fix: remove hardcoded pubkey from tx simulation (backport cosmos#11282)…

… (cosmos#11288)

* fix: remove hardcoded pubkey from tx simulation (cosmos#11282)

Closes: cosmos#11283

---

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I have...

- [x] included the correct [type prefix](https://github.com/commitizen/conventional-commit-types/blob/v3.0.0/index.json) in the PR title
- [ ] added `!` to the type prefix if API or client breaking change
- [x] targeted the correct branch (see [PR Targeting](https://github.com/cosmos/cosmos-sdk/blob/master/CONTRIBUTING.md#pr-targeting))
- [x] provided a link to the relevant issue or specification
- [x] followed the guidelines for [building modules](https://github.com/cosmos/cosmos-sdk/blob/master/docs/building-modules)
- [x] included the necessary unit and integration [tests](https://github.com/cosmos/cosmos-sdk/blob/master/CONTRIBUTING.md#testing)
- [x] added a changelog entry to `CHANGELOG.md`
- [ ] included comments for [documenting Go code](https://blog.golang.org/godoc)
- [ ] updated the relevant documentation or specification
- [ ] reviewed "Files changed" and left comments if necessary
- [ ] confirmed all CI checks have passed

*All items are required. Please add a note if the item is not applicable and please add
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I have...

- [ ] confirmed the correct [type prefix](https://github.com/commitizen/conventional-commit-types/blob/v3.0.0/index.json) in the PR title
- [ ] confirmed `!` in the type prefix if API or client breaking change
- [ ] confirmed all author checklist items have been addressed
- [ ] reviewed state machine logic
- [ ] reviewed API design and naming
- [ ] reviewed documentation is accurate
- [ ] reviewed tests and test coverage
- [ ] manually tested (if applicable)

(cherry picked from commit e657190)

* fix conflicts

* fix

* fix build

* fix tests

Co-authored-by: Federico Kunze Küllmer <31522760+fedekunze@users.noreply.github.com>
Co-authored-by: Federico Kunze Küllmer <federico.kunze94@gmail.com>

CHANGELOG.md

@@ -45,9 +45,9 @@ Ref: https://keepachangelog.com/en/1.0.0/
 * (x/auth) [\#10880](https://github.com/cosmos/cosmos-sdk/pull/10880) Added a new query to the tx query service that returns a block with transactions fully decoded.
 * [#11314](https://github.com/cosmos/cosmos-sdk/pull/11314) Add state rollback command.
 
-
 ### Bug Fixes
 
+* (client) [\#11283](https://github.com/cosmos/cosmos-sdk/issues/11283) Support multiple keys for tx simulation and setting automatic gas for txs.
 * (store) [\#11177](https://github.com/cosmos/cosmos-sdk/pull/11177) Update the prune `everything` strategy to store the last two heights.
 * (store) [\#11117](https://github.com/cosmos/cosmos-sdk/pull/11117) Fix data race in store trace component
 * (x/authz) [\#11252](https://github.com/cosmos/cosmos-sdk/pull/11252) Allow insufficient funds error for authz simulation

client/tx/tx.go

@@ -13,7 +13,6 @@ import (
 
 	"github.com/cosmos/cosmos-sdk/client"
 	"github.com/cosmos/cosmos-sdk/client/input"
-	"github.com/cosmos/cosmos-sdk/crypto/keys/secp256k1"
 	cryptotypes "github.com/cosmos/cosmos-sdk/crypto/types"
 	sdk "github.com/cosmos/cosmos-sdk/types"
 	sdkerrors "github.com/cosmos/cosmos-sdk/types/errors"

client/tx/tx_test.go

@@ -113,6 +113,13 @@ func TestBuildSimTx(t *testing.T) {
 	_, _, err = kb.NewMnemonic("test_key1", keyring.English, path, keyring.DefaultBIP39Passphrase, hd.Secp256k1)
 	require.NoError(t, err)
 
+	kb, err := keyring.New(t.Name(), "test", t.TempDir(), nil)
+	require.NoError(t, err)
+
+	path := hd.CreateHDPath(118, 0, 0).String()
+	_, _, err = kb.NewMnemonic("test_key1", keyring.English, path, keyring.DefaultBIP39Passphrase, hd.Secp256k1)
+	require.NoError(t, err)
+
 	txf := tx.Factory{}.
 		WithTxConfig(txCfg).
 		WithAccountNumber(50).
@@ -298,7 +305,7 @@ func TestSign(t *testing.T) {
 
 	var prevSigs []signingtypes.SignatureV2
 	for _, tc := range testCases {
-		t.Run(tc.name, func(t *testing.T) {
+		t.Run(tc.name, func(_ *testing.T) {
 			err = tx.Sign(tc.txf, tc.from, tc.txb, tc.overwrite)
 			if len(tc.expectedPKs) == 0 {
 				requireT.Error(err)