Add module invariants and input validations (#14)

Reviewed-on: deep-stack/laconic2d#14
Co-authored-by: Prathamesh Musale <prathamesh.musale0@gmail.com>
Co-committed-by: Prathamesh Musale <prathamesh.musale0@gmail.com>

app/app.go

@@ -29,6 +29,7 @@ import (
 	authkeeper "github.com/cosmos/cosmos-sdk/x/auth/keeper"
 	bankkeeper "github.com/cosmos/cosmos-sdk/x/bank/keeper"
 	consensuskeeper "github.com/cosmos/cosmos-sdk/x/consensus/keeper"
+	crisiskeeper "github.com/cosmos/cosmos-sdk/x/crisis/keeper"
 	distrkeeper "github.com/cosmos/cosmos-sdk/x/distribution/keeper"
 	"github.com/cosmos/cosmos-sdk/x/genutil"
 	genutiltypes "github.com/cosmos/cosmos-sdk/x/genutil/types"
@@ -42,6 +43,7 @@ import (
 	_ "github.com/cosmos/cosmos-sdk/x/auth/tx/config"  // import for side-effects
 	_ "github.com/cosmos/cosmos-sdk/x/bank"            // import for side-effects
 	_ "github.com/cosmos/cosmos-sdk/x/consensus"       // import for side-effects
+	_ "github.com/cosmos/cosmos-sdk/x/crisis"          // import for side-effects
 	_ "github.com/cosmos/cosmos-sdk/x/distribution"    // import for side-effects
 	_ "github.com/cosmos/cosmos-sdk/x/mint"            // import for side-effects
 	_ "github.com/cosmos/cosmos-sdk/x/staking"         // import for side-effects
@@ -73,6 +75,7 @@ type LaconicApp struct {
 	BankKeeper            bankkeeper.Keeper
 	StakingKeeper         *stakingkeeper.Keeper
 	DistrKeeper           distrkeeper.Keeper
+	CrisisKeeper          *crisiskeeper.Keeper
 	ConsensusParamsKeeper consensuskeeper.Keeper
 
 	// laconic keepers
@@ -137,6 +140,7 @@ func NewLaconicApp(
 		&app.BankKeeper,
 		&app.StakingKeeper,
 		&app.DistrKeeper,
+		&app.CrisisKeeper,
 		&app.ConsensusParamsKeeper,
 		&app.AuctionKeeper,
 		&app.BondKeeper,
@@ -154,7 +158,8 @@ func NewLaconicApp(
 
 	/****  Module Options ****/
 
-	// TOOD: Required?
+	app.ModuleManager.RegisterInvariants(app.CrisisKeeper)
+
 	// create the simulation manager and define the order of the modules for deterministic simulations
 	// NOTE: this is not required apps that don't use the simulator for fuzz testing transactions
 	app.sm = module.NewSimulationManagerFromAppModules(app.ModuleManager.Modules, make(map[string]module.AppModuleSimulation, 0))

app/app.yaml

@@ -7,10 +7,10 @@ modules:
       # there is nothing left over in the validator fee pool, so as to keep the CanWithdrawInvariant invariant.
       # NOTE: staking module is required if HistoricalEntries param > 0
       begin_blockers: [distribution, staking]
-      end_blockers: [staking, auction, registry]
+      end_blockers: [crisis, staking, auction, registry]
       # NOTE: The genutils module must occur after staking so that pools are properly initialized with tokens from genesis accounts.
       # NOTE: The genutils module must also occur after auth so that it can access the params from auth.
-      init_genesis: [auth, bank, distribution, staking, genutil, auction, bond, registry]
+      init_genesis: [auth, bank, distribution, staking, crisis, genutil, auction, bond, registry]
       override_store_keys:
         - module_name: auth
           kv_store_key: acc
@@ -51,6 +51,9 @@ modules:
   - name: tx
     config:
       "@type": cosmos.tx.config.v1.Config
+  - name: crisis
+    config:
+      "@type": cosmos.crisis.module.v1.Module
   - name: bond
     config:
       "@type": cerc.bond.module.v1.Module