Revert "fix: add base account getter (backport #12154) (#12161)"

This reverts commit 008d10d.

Author: alexanderbez

CHANGELOG.md

@@ -51,7 +51,6 @@ Ref: https://keepachangelog.com/en/1.0.0/
 * [\#10947](https://github.com/cosmos/cosmos-sdk/pull/10947) Add `AllowancesByGranter` query to the feegrant module
 * [\#9639](https://github.com/cosmos/cosmos-sdk/pull/9639) Check store keys length before accessing them by making sure that `key` is of length `m+1` (for `key[n:m]`)
 * [\#11983](https://github.com/cosmos/cosmos-sdk/pull/11983) (x/feegrant, x/authz) rename grants query commands to `grants-by-grantee`, `grants-by-granter` cmds.
-* (types) [#12154](https://github.com/cosmos/cosmos-sdk/pull/12154) Add `baseAccountGetter` to avoid invalid account error when create vesting account.
 
 ## Improvements
 

x/auth/vesting/msg_server.go

@@ -19,10 +19,6 @@ type msgServer struct {
 	types.BankKeeper
 }
 
-type baseAccountGetter interface {
-	GetBaseAccount() *authtypes.BaseAccount
-}
-
 // NewMsgServerImpl returns an implementation of the vesting MsgServer interface,
 // wrapping the corresponding AccountKeeper and BankKeeper.
 func NewMsgServerImpl(k keeper.AccountKeeper, bk types.BankKeeper) types.MsgServer {
@@ -57,18 +53,12 @@ func (s msgServer) CreateVestingAccount(goCtx context.Context, msg *types.MsgCre
 		return nil, sdkerrors.Wrapf(sdkerrors.ErrInvalidRequest, "account %s already exists", msg.ToAddress)
 	}
 
-	account := ak.NewAccountWithAddress(ctx, to)
-	baseAccount, ok := account.(*authtypes.BaseAccount)
-	if !ok {
-		if getter, ok := account.(baseAccountGetter); ok {
-			baseAccount = getter.GetBaseAccount()
-		}
-	}
-	if baseAccount == nil {
+	baseAccount := ak.NewAccountWithAddress(ctx, to)
+	if _, ok := baseAccount.(*authtypes.BaseAccount); !ok {
 		return nil, sdkerrors.Wrapf(sdkerrors.ErrInvalidRequest, "invalid account type; expected: BaseAccount, got: %T", baseAccount)
 	}
 
-	baseVestingAccount := types.NewBaseVestingAccount(baseAccount, msg.Amount.Sort(), msg.EndTime)
+	baseVestingAccount := types.NewBaseVestingAccount(baseAccount.(*authtypes.BaseAccount), msg.Amount.Sort(), msg.EndTime)
 
 	var acc authtypes.AccountI