refactor(x/accounts): Skip Importing Unregistered Genesis Account Types (#20053)

Signed-off-by: Hwangjae Lee <meetrick@gmail.com>

x/accounts/genesis.go

@@ -80,7 +80,13 @@ func (k Keeper) ImportState(ctx context.Context, genState *v1.GenesisState) erro
 }
 
 func (k Keeper) importAccount(ctx context.Context, acc *v1.GenesisAccount) error {
-	// TODO: maybe check if impl exists?
+	// Check if the account type exists in the registered accounts
+	_, ok := k.accounts[acc.AccountType]
+	if !ok {
+		// If the account type does not exist, return an error
+		return fmt.Errorf("account type %s not found in the registered accounts", acc.AccountType)
+	}
+
 	addrBytes, err := k.addressCodec.StringToBytes(acc.Address)
 	if err != nil {
 		return err

x/accounts/genesis_test.go

@@ -8,6 +8,7 @@ import (
 
 	"cosmossdk.io/collections/colltest"
 	"cosmossdk.io/x/accounts/internal/implementation"
+	v1 "cosmossdk.io/x/accounts/v1"
 )
 
 func TestGenesis(t *testing.T) {
@@ -48,3 +49,28 @@ func TestGenesis(t *testing.T) {
 	require.NoError(t, err)
 	require.Equal(t, &types.UInt64Value{Value: 20}, resp)
 }
+
+func TestImportAccountError(t *testing.T) {
+	// Initialize the keeper and context for testing
+	k, ctx := newKeeper(t, func(deps implementation.Dependencies) (string, implementation.Account, error) {
+		acc, err := NewTestAccount(deps)
+		return "test", acc, err
+	})
+
+	// Define a mock GenesisAccount with a non-existent account type
+	acc := &v1.GenesisAccount{
+		Address:       "test-address",
+		AccountType:   "non-existent-type",
+		AccountNumber: 1,
+		State:         nil,
+	}
+
+	// Attempt to import the mock GenesisAccount into the state
+	err := k.importAccount(ctx, acc)
+
+	// Assert that an error is returned
+	require.Error(t, err)
+
+	// Assert that the error message contains the expected substring
+	require.Contains(t, err.Error(), "account type non-existent-type not found in the registered accounts")
+}