chore: enforcing keyring-backend test (#113)

* Update key.go

* Update CHANGELOG.md

* change to start

* Update start.go

* Update start.go

Author: samricotta

CHANGELOG.md

@@ -47,6 +47,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
 ### Improvements
 
 * [#110](https://github.com/babylonlabs-io/covenant-emulator/pull/110) bump babylon to v1.0.0-rc.7
+* [#113](https://github.com/babylonlabs-io/covenant-emulator/pull/113) chore: enforcing keyring-backend test
 
 ### Bug Fixes
 

cmd/covd/start.go

@@ -8,6 +8,7 @@ import (
 	"github.com/babylonlabs-io/covenant-emulator/log"
 	"github.com/babylonlabs-io/covenant-emulator/remotesigner"
 	"github.com/babylonlabs-io/covenant-emulator/util"
+	"github.com/cosmos/cosmos-sdk/crypto/keyring"
 
 	"github.com/lightningnetwork/lnd/signal"
 	"github.com/urfave/cli"
@@ -43,6 +44,10 @@ func start(ctx *cli.Context) error {
 		return fmt.Errorf("failed to load config at %s: %w", homePath, err)
 	}
 
+	if cfg.BabylonConfig.KeyringBackend != keyring.BackendTest {
+		return fmt.Errorf("the keyring backend in config must be `test` for automatic signing, got %s", cfg.BabylonConfig.KeyringBackend)
+	}
+
 	logger, err := log.NewRootLoggerWithFile(covcfg.LogFile(homePath), cfg.LogLevel)
 	if err != nil {
 		return fmt.Errorf("failed to load the logger: %w", err)