Merge PR cosmos#5421: Refactor Error Handling

app.go

@@ -158,7 +158,7 @@ func NewSimApp(
 	}
 
 	// init params keeper and subspaces
-	app.ParamsKeeper = params.NewKeeper(app.cdc, keys[params.StoreKey], tkeys[params.TStoreKey], params.DefaultCodespace)
+	app.ParamsKeeper = params.NewKeeper(app.cdc, keys[params.StoreKey], tkeys[params.TStoreKey])
 	app.subspaces[auth.ModuleName] = app.ParamsKeeper.Subspace(auth.DefaultParamspace)
 	app.subspaces[bank.ModuleName] = app.ParamsKeeper.Subspace(bank.DefaultParamspace)
 	app.subspaces[staking.ModuleName] = app.ParamsKeeper.Subspace(staking.DefaultParamspace)
@@ -174,25 +174,24 @@ func NewSimApp(
 		app.cdc, keys[auth.StoreKey], app.subspaces[auth.ModuleName], auth.ProtoBaseAccount,
 	)
 	app.BankKeeper = bank.NewBaseKeeper(
-		app.AccountKeeper, app.subspaces[bank.ModuleName], bank.DefaultCodespace,
-		app.BlacklistedAccAddrs(),
+		app.AccountKeeper, app.subspaces[bank.ModuleName], app.BlacklistedAccAddrs(),
 	)
 	app.SupplyKeeper = supply.NewKeeper(
 		app.cdc, keys[supply.StoreKey], app.AccountKeeper, app.BankKeeper, maccPerms,
 	)
 	stakingKeeper := staking.NewKeeper(
 		app.cdc, keys[staking.StoreKey], app.SupplyKeeper, app.subspaces[staking.ModuleName],
-		staking.DefaultCodespace)
+	)
 	app.MintKeeper = mint.NewKeeper(
 		app.cdc, keys[mint.StoreKey], app.subspaces[mint.ModuleName], &stakingKeeper,
 		app.SupplyKeeper, auth.FeeCollectorName,
 	)
 	app.DistrKeeper = distr.NewKeeper(
 		app.cdc, keys[distr.StoreKey], app.subspaces[distr.ModuleName], &stakingKeeper,
-		app.SupplyKeeper, distr.DefaultCodespace, auth.FeeCollectorName, app.ModuleAccountAddrs(),
+		app.SupplyKeeper, auth.FeeCollectorName, app.ModuleAccountAddrs(),
 	)
 	app.SlashingKeeper = slashing.NewKeeper(
-		app.cdc, keys[slashing.StoreKey], &stakingKeeper, app.subspaces[slashing.ModuleName], slashing.DefaultCodespace,
+		app.cdc, keys[slashing.StoreKey], &stakingKeeper, app.subspaces[slashing.ModuleName],
 	)
 	app.CrisisKeeper = crisis.NewKeeper(
 		app.subspaces[crisis.ModuleName], invCheckPeriod, app.SupplyKeeper, auth.FeeCollectorName,
@@ -201,8 +200,7 @@ func NewSimApp(
 
 	// create evidence keeper with router
 	evidenceKeeper := evidence.NewKeeper(
-		app.cdc, keys[evidence.StoreKey], app.subspaces[evidence.ModuleName], evidence.DefaultCodespace,
-		&app.StakingKeeper, app.SlashingKeeper,
+		app.cdc, keys[evidence.StoreKey], app.subspaces[evidence.ModuleName], &app.StakingKeeper, app.SlashingKeeper,
 	)
 	evidenceRouter := evidence.NewRouter()
 	// TODO: Register evidence routes.
@@ -217,7 +215,7 @@ func NewSimApp(
 		AddRoute(upgrade.RouterKey, upgrade.NewSoftwareUpgradeProposalHandler(app.UpgradeKeeper))
 	app.GovKeeper = gov.NewKeeper(
 		app.cdc, keys[gov.StoreKey], app.subspaces[gov.ModuleName], app.SupplyKeeper,
-		&stakingKeeper, gov.DefaultCodespace, govRouter,
+		&stakingKeeper, govRouter,
 	)
 
 	// register the staking hooks

test_helpers.go

@@ -115,7 +115,7 @@ func CheckBalance(t *testing.T, app *SimApp, addr sdk.AccAddress, exp sdk.Coins)
 func SignCheckDeliver(
 	t *testing.T, cdc *codec.Codec, app *bam.BaseApp, header abci.Header, msgs []sdk.Msg,
 	accNums, seq []uint64, expSimPass, expPass bool, priv ...crypto.PrivKey,
-) sdk.Result {
+) (sdk.GasInfo, *sdk.Result, error) {
 
 	tx := helpers.GenTx(
 		msgs,
@@ -131,28 +131,32 @@ func SignCheckDeliver(
 	require.Nil(t, err)
 
 	// Must simulate now as CheckTx doesn't run Msgs anymore
-	res := app.Simulate(txBytes, tx)
+	_, res, err := app.Simulate(txBytes, tx)
 
 	if expSimPass {
-		require.Equal(t, sdk.CodeOK, res.Code, res.Log)
+		require.NoError(t, err)
+		require.NotNil(t, res)
 	} else {
-		require.NotEqual(t, sdk.CodeOK, res.Code, res.Log)
+		require.Error(t, err)
+		require.Nil(t, res)
 	}
 
 	// Simulate a sending a transaction and committing a block
 	app.BeginBlock(abci.RequestBeginBlock{Header: header})
-	res = app.Deliver(tx)
+	gInfo, res, err := app.Deliver(tx)
 
 	if expPass {
-		require.Equal(t, sdk.CodeOK, res.Code, res.Log)
+		require.NoError(t, err)
+		require.NotNil(t, res)
 	} else {
-		require.NotEqual(t, sdk.CodeOK, res.Code, res.Log)
+		require.Error(t, err)
+		require.Nil(t, res)
 	}
 
 	app.EndBlock(abci.RequestEndBlock{})
 	app.Commit()
 
-	return res
+	return gInfo, res, err
 }
 
 // GenSequenceOfTxs generates a set of signed transactions of messages, such