feat: ADR-011: Reports module (#860)

## Description

This PR implements the `x/reports` module as detailed inside [ADR-011](https://github.com/desmos-labs/desmos/blob/master/docs/architecture/adr-011-reports-module.md).

Depends-On: #847 

---

### Author Checklist

*All items are required. Please add a note to the item if the item is not applicable and
please add links to any relevant follow up issues.*

I have...

- [x] included the correct [type prefix](https://github.com/commitizen/conventional-commit-types/blob/v3.0.0/index.json) in the PR title
- [ ] added `!` to the type prefix if API or client breaking change
- [x] targeted the correct branch (see [PR Targeting](https://github.com/desmos-labs/desmos/blob/master/CONTRIBUTING.md#pr-targeting))
- [x] provided a link to the relevant issue or specification
- [x] followed the guidelines for [building modules](https://docs.cosmos.network/v0.44/building-modules/intro.html)
- [x] included the necessary unit and integration [tests](https://github.com/desmos-labs/desmos/blob/master/CONTRIBUTING.md#testing)
- [ ] added a changelog entry to `CHANGELOG.md`
- [ ] included comments for [documenting Go code](https://blog.golang.org/godoc)
- [ ] updated the relevant documentation or specification
- [x] reviewed "Files changed" and left comments if necessary
- [x] confirmed all CI checks have passed

### Reviewers Checklist

*All items are required. Please add a note if the item is not applicable and please add
your handle next to the items reviewed if you only reviewed selected items.*

I have...

- [ ] confirmed the correct [type prefix](https://github.com/commitizen/conventional-commit-types/blob/v3.0.0/index.json) in the PR title
- [ ] confirmed `!` in the type prefix if API or client breaking change
- [ ] confirmed all author checklist items have been addressed
- [ ] reviewed state machine logic
- [ ] reviewed API design and naming
- [ ] reviewed documentation is accurate
- [ ] reviewed tests and test coverage
- [ ] manually tested (if applicable)

.changeset/config.yaml

@@ -66,6 +66,8 @@ modules:
     description: Subspaces
   - id: x/posts
     description: Posts
+  - id: x/reports
+    description: Reports
   - id: x/fees
     description: Fees
   - id: x/supply

.changeset/entries/8e3d1d3f5bce775b80851d2757f6de108f5f76c6636be2235359c8b0c2306ffe.yaml

@@ -0,0 +1,6 @@
+type: feat
+module: x/reports
+pull_request: 860
+description: Added the new `x/reports` module
+backward_compatible: true
+date: 2022-05-30T09:02:36.66780769Z

app/app.go

@@ -104,6 +104,9 @@ import (
 	profileskeeper "github.com/desmos-labs/desmos/v3/x/profiles/keeper"
 	profilestypes "github.com/desmos-labs/desmos/v3/x/profiles/types"
 	relationshipskeeper "github.com/desmos-labs/desmos/v3/x/relationships/keeper"
+	"github.com/desmos-labs/desmos/v3/x/reports"
+	reportskeeper "github.com/desmos-labs/desmos/v3/x/reports/keeper"
+	reportstypes "github.com/desmos-labs/desmos/v3/x/reports/types"
 
 	"github.com/desmos-labs/desmos/v3/x/subspaces"
 	subspaceskeeper "github.com/desmos-labs/desmos/v3/x/subspaces/keeper"
@@ -239,6 +242,7 @@ var (
 		relationships.AppModuleBasic{},
 		subspaces.AppModuleBasic{},
 		posts.AppModuleBasic{},
+		reports.AppModuleBasic{},
 		fees.AppModuleBasic{},
 		supply.AppModuleBasic{},
 	)
@@ -305,6 +309,7 @@ type DesmosApp struct {
 	ProfileKeeper       profileskeeper.Keeper
 	RelationshipsKeeper relationshipskeeper.Keeper
 	PostsKeeper         postskeeper.Keeper
+	ReportsKeeper       reportskeeper.Keeper
 	SupplyKeeper        supplykeeper.Keeper
 
 	// Module Manager
@@ -353,7 +358,7 @@ func NewDesmosApp(
 
 		// Custom modules
 		profilestypes.StoreKey, relationshipstypes.StoreKey, subspacestypes.StoreKey,
-		poststypes.StoreKey,
+		poststypes.StoreKey, reportstypes.StoreKey,
 		feestypes.StoreKey,
 	)
 	tkeys := sdk.NewTransientStoreKeys(paramstypes.TStoreKey)
@@ -486,20 +491,39 @@ func NewDesmosApp(
 	profilesIBCModule := profiles.NewIBCModule(app.appCodec, app.ProfileKeeper)
 
 	// Create posts keeper and module
-	app.PostsKeeper = postskeeper.NewKeeper(
+	postsKeeper := postskeeper.NewKeeper(
 		app.appCodec,
 		keys[poststypes.StoreKey],
 		app.GetSubspace(poststypes.ModuleName),
 		&subspacesKeeper,
 		app.RelationshipsKeeper,
 	)
 
+	// Create reports keeper
+	app.ReportsKeeper = reportskeeper.NewKeeper(
+		app.appCodec,
+		keys[reportstypes.StoreKey],
+		app.GetSubspace(reportstypes.ModuleName),
+		&subspacesKeeper,
+		app.RelationshipsKeeper,
+		&postsKeeper,
+	)
+
+	// Register the posts hooks
+	// NOTE: postsKeeper above is passed by reference, so that it will contain these hooks
+	app.PostsKeeper = *postsKeeper.SetHooks(
+		poststypes.NewMultiPostsHooks(
+			app.ReportsKeeper.Hooks(),
+		),
+	)
+
 	// Register the subspaces hooks
 	// NOTE: subspacesKeeper above is passed by reference, so that it will contain these hooks
 	app.SubspacesKeeper = *subspacesKeeper.SetHooks(
 		subspacestypes.NewMultiSubspacesHooks(
 			app.RelationshipsKeeper.Hooks(),
 			app.PostsKeeper.Hooks(),
+			app.ReportsKeeper.Hooks(),
 		),
 	)
 
@@ -606,6 +630,7 @@ func NewDesmosApp(
 		profilesModule,
 		relationships.NewAppModule(appCodec, app.RelationshipsKeeper, app.SubspacesKeeper, profilesv4.NewKeeper(keys[profilestypes.StoreKey], appCodec), app.AccountKeeper, app.BankKeeper, app.FeesKeeper),
 		posts.NewAppModule(appCodec, app.PostsKeeper, app.SubspacesKeeper, app.AccountKeeper, app.BankKeeper, app.FeesKeeper),
+		reports.NewAppModule(appCodec, app.ReportsKeeper, app.SubspacesKeeper, app.PostsKeeper, app.AccountKeeper, app.BankKeeper, app.FeesKeeper),
 		supply.NewAppModule(appCodec, legacyAmino, app.SupplyKeeper),
 	)
 
@@ -640,6 +665,7 @@ func NewDesmosApp(
 		relationshipstypes.ModuleName,
 		profilestypes.ModuleName,
 		poststypes.ModuleName,
+		reportstypes.ModuleName,
 		supplytypes.ModuleName,
 	)
 	app.mm.SetOrderEndBlockers(
@@ -668,6 +694,7 @@ func NewDesmosApp(
 		relationshipstypes.ModuleName,
 		profilestypes.ModuleName,
 		poststypes.ModuleName,
+		reportstypes.ModuleName,
 		supplytypes.ModuleName,
 	)
 
@@ -703,6 +730,7 @@ func NewDesmosApp(
 		profilestypes.ModuleName,
 		relationshipstypes.ModuleName,
 		poststypes.ModuleName,
+		reportstypes.ModuleName,
 		supplytypes.ModuleName,
 
 		crisistypes.ModuleName,
@@ -737,6 +765,7 @@ func NewDesmosApp(
 		relationshipstypes.ModuleName,
 		profilestypes.ModuleName,
 		poststypes.ModuleName,
+		reportstypes.ModuleName,
 		supplytypes.ModuleName,
 
 		crisistypes.ModuleName,
@@ -780,6 +809,7 @@ func NewDesmosApp(
 		profilesModule,
 		relationships.NewAppModule(appCodec, app.RelationshipsKeeper, app.SubspacesKeeper, profilesv4.NewKeeper(keys[profilestypes.StoreKey], appCodec), app.AccountKeeper, app.BankKeeper, app.FeesKeeper),
 		posts.NewAppModule(appCodec, app.PostsKeeper, app.SubspacesKeeper, app.AccountKeeper, app.BankKeeper, app.FeesKeeper),
+		reports.NewAppModule(appCodec, app.ReportsKeeper, app.SubspacesKeeper, app.PostsKeeper, app.AccountKeeper, app.BankKeeper, app.FeesKeeper),
 	)
 
 	app.sm.RegisterStoreDecoders()
@@ -958,7 +988,7 @@ func (app *DesmosApp) RegisterAPIRoutes(apiSvr *api.Server, apiConfig config.API
 
 	// register swagger API from root so that other applications can override easily
 	if apiConfig.Swagger {
-		RegisterSwaggerAPI(clientCtx, apiSvr.Router)
+		RegisterSwaggerAPI(apiSvr.Router)
 	}
 }
 
@@ -994,7 +1024,7 @@ func (app *DesmosApp) registerUpgrade(upgrade upgrades.Upgrade) {
 }
 
 // RegisterSwaggerAPI registers swagger route with API Server
-func RegisterSwaggerAPI(ctx client.Context, rtr *mux.Router) {
+func RegisterSwaggerAPI(rtr *mux.Router) {
 	statikFS, err := fs.New()
 	if err != nil {
 		panic(err)
@@ -1033,6 +1063,7 @@ func initParamsKeeper(appCodec codec.BinaryCodec, legacyAmino *codec.LegacyAmino
 	paramsKeeper.Subspace(subspacestypes.ModuleName)
 	paramsKeeper.Subspace(profilestypes.ModuleName)
 	paramsKeeper.Subspace(poststypes.ModuleName)
+	paramsKeeper.Subspace(reportstypes.ModuleName)
 
 	return paramsKeeper
 }

app/params/weights.go

@@ -36,4 +36,10 @@ const (
 	DefaultWeightMsgAddPostAttachment    int = 50
 	DefaultWeightMsgRemovePostAttachment int = 50
 	DefaultWeightMsgAnswerPoll           int = 50
+
+	DefaultWeightMsgCreateReport          int = 50
+	DefaultWeightMsgDeleteReport          int = 35
+	DefaultWeightMsgSupportStandardReason int = 20
+	DefaultWeightMsgAddReason             int = 10
+	DefaultWeightMsgRemoveReason          int = 10
 )

app/sim_test.go

@@ -9,17 +9,15 @@ import (
 	"path/filepath"
 	"testing"
 
-	poststypes "github.com/desmos-labs/desmos/v3/x/posts/types"
-
 	feestypes "github.com/desmos-labs/desmos/v3/x/fees/types"
-
+	poststypes "github.com/desmos-labs/desmos/v3/x/posts/types"
 	relationshipstypes "github.com/desmos-labs/desmos/v3/x/relationships/types"
+	reportstypes "github.com/desmos-labs/desmos/v3/x/reports/types"
+	subspacestypes "github.com/desmos-labs/desmos/v3/x/subspaces/types"
 
 	authzkeeper "github.com/cosmos/cosmos-sdk/x/authz/keeper"
 	minttypes "github.com/cosmos/cosmos-sdk/x/mint/types"
 
-	subspacestypes "github.com/desmos-labs/desmos/v3/x/subspaces/types"
-
 	banktypes "github.com/cosmos/cosmos-sdk/x/bank/types"
 	distrtypes "github.com/cosmos/cosmos-sdk/x/distribution/types"
 	evidencetypes "github.com/cosmos/cosmos-sdk/x/evidence/types"
@@ -255,6 +253,7 @@ func TestAppImportExport(t *testing.T) {
 		{app.keys[profilestypes.StoreKey], newApp.keys[profilestypes.StoreKey], [][]byte{}},
 		{app.keys[relationshipstypes.StoreKey], newApp.keys[relationshipstypes.StoreKey], [][]byte{}},
 		{app.keys[poststypes.StoreKey], newApp.keys[poststypes.StoreKey], [][]byte{}},
+		{app.keys[reportstypes.StoreKey], newApp.keys[reportstypes.StoreKey], [][]byte{}},
 	}
 
 	for _, skp := range storeKeysPrefixes {

client/docs/config.json

@@ -28,6 +28,14 @@
         }
       }
     },
+    {
+      "url": "./tmp-swagger-gen/desmos/reports/v1/query.swagger.json",
+      "operationIds": {
+        "rename": {
+          "Params": "ReportsParams"
+        }
+      }
+    },
     {
       "url": "./tmp-swagger-gen/desmos/fees/v1/query.swagger.json",
       "operationIds": {