WIP: Add x/msg_authorization module

proto/cosmos/msg_authorization/v1beta1/genesis.proto

@@ -0,0 +1,12 @@
+syntax = "proto3";
+package cosmos.msg_authorization.v1beta1;
+
+import "gogoproto/gogo.proto";
+import "cosmos/msg_authorization/v1beta1/tx.proto";
+
+option go_package = "github.com/cosmos/cosmos-sdk/x/msg_authorization/types";
+
+// GenesisState defines the msg_authorization module's genesis state.
+message GenesisState {
+    repeated MsgGrantAuthorization authorization = 1 [(gogoproto.nullable) = false];
+}

proto/cosmos/msg_authorization/v1beta1/msg_authorization.proto

@@ -0,0 +1,44 @@
+syntax = "proto3";
+package cosmos.msg_authorization.v1beta1;
+
+import "cosmos/base/v1beta1/coin.proto";
+import "cosmos_proto/cosmos.proto"; 
+import "gogoproto/gogo.proto";
+import "google/protobuf/any.proto";
+
+option go_package            = "github.com/cosmos/cosmos-sdk/x/msg_authorization/types";
+
+// SendAuthorization allows the grantee to spend up to spend_limit coins from
+// the granter's account.
+message SendAuthorization{
+    option (gogoproto.equal) = true;
+    option (gogoproto.goproto_getters)  = false;
+    option (cosmos_proto.implements_interface) = "Authorization";
+
+    repeated cosmos.base.v1beta1.Coin spend_limit = 1 [
+        (gogoproto.nullable)     = false,
+        (gogoproto.castrepeated) = "github.com/cosmos/cosmos-sdk/types.Coins",
+        (gogoproto.moretags) = "yaml:\"spend_limit\""
+    ];
+}
+
+// GenericAuthorization gives the grantee unrestricted permissions to execute
+// the provide method on behalf of the granter's account.
+message GenericAuthorization{
+    option (gogoproto.equal) = true;
+    option (gogoproto.goproto_getters)  = false;
+    option (cosmos_proto.implements_interface) = "Authorization";
+
+    string method_name = 1[
+        (gogoproto.customname)="MessageName"
+    ];
+}
+
+// TODO
+message AuthorizationGrant{
+    option (gogoproto.goproto_getters)  = false;
+    google.protobuf.Any authorization = 1 [
+        (cosmos_proto.accepts_interface) = "Authorization"
+    ];
+    int64 expiration = 2;
+}

proto/cosmos/msg_authorization/v1beta1/query.proto

@@ -0,0 +1,35 @@
+syntax = "proto3";
+package cosmos.msg_authorization.v1beta1;
+
+import "gogoproto/gogo.proto";
+import "google/protobuf/any.proto";
+import "google/api/annotations.proto";
+import "cosmos_proto/cosmos.proto";
+
+option go_package = "github.com/cosmos/cosmos-sdk/x/msg_authorization/types";
+
+// Query defines the gRPC querier service.
+service Query {
+  // Returns any `Authorization` (or `nil`), with the expiration time, granted to the grantee by the granter for the provided msg type.
+  rpc Authorization(QueryAuthorizationRequest) returns (QueryAuthorizationResponse) {
+    option (google.api.http).get = "/cosmos/msgauth/v1beta1/granters/{granter_addr}/grantees/{grantee_addr}/{msg_type}";
+  }
+
+}
+
+// QueryAuthorizationRequest is the request type for the Query/Authorization RPC method.
+message QueryAuthorizationRequest {
+  option (gogoproto.equal)           = false;
+  option (gogoproto.goproto_getters) = false;
+
+  string granter_addr = 1;
+  string grantee_addr = 2;
+
+  string msg_type = 3;
+}
+
+// QueryAuthorizationResponse is the response type for the Query/Authorization RPC method.
+message QueryAuthorizationResponse {
+  // account defines the account of the corresponding address.
+  google.protobuf.Any authorization = 1 [(cosmos_proto.accepts_interface) = "Authorization"];
+}

proto/cosmos/msg_authorization/v1beta1/tx.proto

@@ -0,0 +1,83 @@
+syntax = "proto3";
+package cosmos.msg_authorization.v1beta1;
+
+import "cosmos_proto/cosmos.proto"; 
+import "gogoproto/gogo.proto";
+import "google/protobuf/timestamp.proto";
+import "google/protobuf/any.proto";
+import "cosmos/base/abci/v1beta1/abci.proto";
+option go_package            = "github.com/cosmos/cosmos-sdk/x/msg_authorization/types";
+option (gogoproto.equal_all) = true;
+
+
+// Msg defines the msg_authorization Msg service.
+service Msg {
+     // GrantAuthorization grants the provided authorization to the grantee on the granter's
+  // account with the provided expiration time.
+  rpc GrantAuthorization(MsgGrantAuthorization) returns (MsgGrantAuthorizationResponse);
+  // ExecAuthorized attempts to execute the provided messages using
+  // authorizations granted to the grantee. Each message should have only
+  // one signer corresponding to the granter of the authorization.
+  rpc ExecAuthorized(MsgExecAuthorized) returns (MsgExecAuthorizedResponse);
+  // RevokeAuthorization revokes any authorization corresponding to the provided method name on the
+  // granter's account that has been granted to the grantee.
+  rpc RevokeAuthorization(MsgRevokeAuthorization) returns (MsgRevokeAuthorizationResponse);
+}
+
+// MsgGrantAuthorization grants the provided authorization to the grantee on the granter's
+// account with the provided expiration time.
+message MsgGrantAuthorization{
+    option (gogoproto.equal) = true;
+    option (gogoproto.goproto_getters) = false;
+    option (gogoproto.goproto_stringer) = false;
+
+    string granter = 1;
+    string grantee = 2;
+
+    google.protobuf.Any authorization = 3 [
+        (cosmos_proto.accepts_interface) = "Authorization"
+    ];
+    google.protobuf.Timestamp expiration = 4 [
+        (gogoproto.nullable) = false,
+        (gogoproto.stdtime)  = true
+    ];
+}
+
+
+// MsgExecAuthorizedResponse defines the Msg/MsgExecAuthorizedResponse response type.
+message MsgExecAuthorizedResponse { 
+    option (gogoproto.equal) = false;
+
+    cosmos.base.abci.v1beta1.Result result = 1;
+ }
+
+// MsgExecAuthorized attempts to execute the provided messages using
+// authorizations granted to the grantee. Each message should have only
+// one signer corresponding to the granter of the authorization.
+message MsgExecAuthorized {
+    option (gogoproto.goproto_getters) = false;
+    option (gogoproto.goproto_stringer) = false;
+
+    string grantee = 1;
+    repeated google.protobuf.Any msgs = 2 [
+        (cosmos_proto.accepts_interface) = "github.com/cosmos/cosmos-sdk/types.Msg",
+        (gogoproto.moretags) = "yaml:\"msgs\""
+    ];
+}
+
+// MsgGrantAuthorizationResponse defines the Msg/MsgGrantAuthorization response type.
+message MsgGrantAuthorizationResponse {  }
+
+// MsgRevokeAuthorization revokes any authorization with the provided sdk.Msg type on the
+// granter's account with that has been granted to the grantee.
+message MsgRevokeAuthorization{
+  option (gogoproto.goproto_getters) = false;
+  option (gogoproto.goproto_stringer) = false;
+
+  string granter = 1;
+  string grantee = 2;
+  string authorization_msg_type = 3 [(gogoproto.moretags)  = "yaml:\"authorization_msg_type\""];
+}
+
+// MsgRevokeAuthorizationResponse defines the Msg/MsgRevokeAuthorizationResponse response type.
+message MsgRevokeAuthorizationResponse {  }

simapp/app.go

@@ -40,6 +40,7 @@ import (
 	"github.com/cosmos/cosmos-sdk/x/capability"
 	capabilitykeeper "github.com/cosmos/cosmos-sdk/x/capability/keeper"
 	capabilitytypes "github.com/cosmos/cosmos-sdk/x/capability/types"
+
 	"github.com/cosmos/cosmos-sdk/x/crisis"
 	crisiskeeper "github.com/cosmos/cosmos-sdk/x/crisis/keeper"
 	crisistypes "github.com/cosmos/cosmos-sdk/x/crisis/types"
@@ -83,6 +84,10 @@ import (
 	upgradekeeper "github.com/cosmos/cosmos-sdk/x/upgrade/keeper"
 	upgradetypes "github.com/cosmos/cosmos-sdk/x/upgrade/types"
 
+	msgauth "github.com/cosmos/cosmos-sdk/x/msg_authorization"
+	msgauthkeeper "github.com/cosmos/cosmos-sdk/x/msg_authorization/keeper"
+	msgauthtypes "github.com/cosmos/cosmos-sdk/x/msg_authorization/types"
+
 	// unnamed import of statik for swagger UI support
 	_ "github.com/cosmos/cosmos-sdk/client/docs/statik"
 )
@@ -114,6 +119,7 @@ var (
 		upgrade.AppModuleBasic{},
 		evidence.AppModuleBasic{},
 		transfer.AppModuleBasic{},
+		msgauth.AppModuleBasic{},
 		vesting.AppModuleBasic{},
 	)
 
@@ -164,6 +170,7 @@ type SimApp struct {
 	CrisisKeeper     crisiskeeper.Keeper
 	UpgradeKeeper    upgradekeeper.Keeper
 	ParamsKeeper     paramskeeper.Keeper
+	MsgAuthKeeper    msgauthkeeper.Keeper
 	IBCKeeper        *ibckeeper.Keeper // IBC Keeper must be a pointer in the app, so we can SetRouter on it correctly
 	EvidenceKeeper   evidencekeeper.Keeper
 	TransferKeeper   ibctransferkeeper.Keeper
@@ -211,6 +218,7 @@ func NewSimApp(
 		minttypes.StoreKey, distrtypes.StoreKey, slashingtypes.StoreKey,
 		govtypes.StoreKey, paramstypes.StoreKey, ibchost.StoreKey, upgradetypes.StoreKey,
 		evidencetypes.StoreKey, ibctransfertypes.StoreKey, capabilitytypes.StoreKey,
+		msgauthtypes.StoreKey,
 	)
 	tkeys := sdk.NewTransientStoreKeys(paramstypes.TStoreKey)
 	memKeys := sdk.NewMemoryStoreKeys(capabilitytypes.MemStoreKey)
@@ -276,6 +284,12 @@ func NewSimApp(
 		appCodec, keys[ibchost.StoreKey], app.StakingKeeper, scopedIBCKeeper,
 	)
 
+	// TODO: Add rest of the modules' routes(at the moment only bank routers added).
+	msgAuthRouter := msgauthtypes.NewRouter()
+	msgAuthRouter.AddRoute(banktypes.RouterKey, bank.NewHandler(app.BankKeeper))
+
+	app.MsgAuthKeeper = msgauthkeeper.NewKeeper(keys[msgauthtypes.StoreKey], appCodec, msgAuthRouter)
+
 	// register the proposal types
 	govRouter := govtypes.NewRouter()
 	govRouter.AddRoute(govtypes.RouterKey, govtypes.ProposalHandler).
@@ -334,6 +348,7 @@ func NewSimApp(
 		evidence.NewAppModule(app.EvidenceKeeper),
 		ibc.NewAppModule(app.IBCKeeper),
 		params.NewAppModule(app.ParamsKeeper),
+		msgauth.NewAppModule(appCodec, app.MsgAuthKeeper, app.AccountKeeper, app.BankKeeper),
 		transferModule,
 	)
 
@@ -355,7 +370,7 @@ func NewSimApp(
 	app.mm.SetOrderInitGenesis(
 		capabilitytypes.ModuleName, authtypes.ModuleName, banktypes.ModuleName, distrtypes.ModuleName, stakingtypes.ModuleName,
 		slashingtypes.ModuleName, govtypes.ModuleName, minttypes.ModuleName, crisistypes.ModuleName,
-		ibchost.ModuleName, genutiltypes.ModuleName, evidencetypes.ModuleName, ibctransfertypes.ModuleName,
+		ibchost.ModuleName, genutiltypes.ModuleName, evidencetypes.ModuleName, msgauthtypes.ModuleName, ibctransfertypes.ModuleName,
 	)
 
 	app.mm.RegisterInvariants(&app.CrisisKeeper)
@@ -380,6 +395,7 @@ func NewSimApp(
 		slashing.NewAppModule(appCodec, app.SlashingKeeper, app.AccountKeeper, app.BankKeeper, app.StakingKeeper),
 		params.NewAppModule(app.ParamsKeeper),
 		evidence.NewAppModule(app.EvidenceKeeper),
+		msgauth.NewAppModule(appCodec, app.MsgAuthKeeper, app.AccountKeeper, app.BankKeeper),
 		ibc.NewAppModule(app.IBCKeeper),
 		transferModule,
 	)