[SmartAccount] Get authenticator query

CHANGELOG.md

@@ -54,6 +54,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ### State Compatible
 
+* [#8142](https://github.com/osmosis-labs/osmosis/pull/8142) Add query for getting single authenticator and add stargate whitelist for the query.
+
 ## v24.0.3
 
 * [#21](https://github.com/osmosis-labs/cometbft/pull/21) Move websocket logs to Debug

proto/osmosis/smartaccount/v1beta1/query.proto

@@ -16,6 +16,12 @@ service Query {
     option (google.api.http).get = "/osmosis/smartaccount/params";
   }
 
+  rpc GetAuthenticator(GetAuthenticatorRequest)
+      returns (GetAuthenticatorResponse) {
+    option (google.api.http).get =
+        "/osmosis/smartaccount/authenticator/{account}/{authenticator_id}";
+  }
+
   rpc GetAuthenticators(GetAuthenticatorsRequest)
       returns (GetAuthenticatorsResponse) {
     option (google.api.http).get =
@@ -38,4 +44,15 @@ message GetAuthenticatorsRequest { string account = 1; }
 // MsgGetAuthenticatorsResponse defines the Msg/GetAuthenticators response type.
 message GetAuthenticatorsResponse {
   repeated AccountAuthenticator account_authenticators = 1;
+}
+
+// MsgGetAuthenticatorRequest defines the Msg/GetAuthenticator request type.
+message GetAuthenticatorRequest {
+  string account = 1;
+  string authenticator_id = 2;
+}
+
+// MsgGetAuthenticatorResponse defines the Msg/GetAuthenticator response type.
+message GetAuthenticatorResponse {
+  AccountAuthenticator account_authenticator = 1;
 }

wasmbinding/stargate_whitelist.go

@@ -26,6 +26,7 @@ import (
 	minttypes "github.com/osmosis-labs/osmosis/v24/x/mint/types"
 	poolincentivestypes "github.com/osmosis-labs/osmosis/v24/x/pool-incentives/types"
 	poolmanagerqueryproto "github.com/osmosis-labs/osmosis/v24/x/poolmanager/client/queryproto"
+	smartaccounttypes "github.com/osmosis-labs/osmosis/v24/x/smart-account/types"
 	superfluidtypes "github.com/osmosis-labs/osmosis/v24/x/superfluid/types"
 	tokenfactorytypes "github.com/osmosis-labs/osmosis/v24/x/tokenfactory/types"
 	twapquerytypes "github.com/osmosis-labs/osmosis/v24/x/twap/client/queryproto"
@@ -139,6 +140,10 @@ func init() {
 	setWhitelistedQuery("/osmosis.superfluid.Query/AllAssets", &superfluidtypes.AllAssetsResponse{})
 	setWhitelistedQuery("/osmosis.superfluid.Query/AssetMultiplier", &superfluidtypes.AssetMultiplierResponse{})
 
+	// smartaccount
+	setWhitelistedQuery("/osmosis.smartaccount.v1beta1.Query/GetAuthenticator", &smartaccounttypes.GetAuthenticatorResponse{})
+	setWhitelistedQuery("/osmosis.smartaccount.v1beta1.Query/GetAuthenticators", &smartaccounttypes.GetAuthenticatorsResponse{})
+
 	// poolmanager
 	setWhitelistedQuery("/osmosis.poolmanager.v1beta1.Query/NumPools", &poolmanagerqueryproto.NumPoolsResponse{})
 	setWhitelistedQuery("/osmosis.poolmanager.v1beta1.Query/EstimateSwapExactAmountIn", &poolmanagerqueryproto.EstimateSwapExactAmountInResponse{})

x/smart-account/keeper/query.go

@@ -33,3 +33,25 @@ func (k Keeper) GetAuthenticators(
 
 	return &types.GetAuthenticatorsResponse{AccountAuthenticators: authenticators}, nil
 }
+
+func (k Keeper) GetAuthenticator(
+	ctx context.Context,
+	request *types.GetAuthenticatorRequest,
+) (*types.GetAuthenticatorResponse, error) {
+	if request == nil {
+		return nil, status.Error(codes.InvalidArgument, "empty request")
+	}
+
+	sdkCtx := sdk.UnwrapSDKContext(ctx)
+	acc, err := sdk.AccAddressFromBech32(request.Account)
+	if err != nil {
+		return nil, status.Error(codes.Internal, err.Error())
+	}
+
+	authenticator, err := k.GetSelectedAuthenticatorData(sdkCtx, acc, int(request.AuthenticatorId))
+	if err != nil {
+		return nil, status.Error(codes.Internal, err.Error())
+	}
+
+	return &types.GetAuthenticatorResponse{AccountAuthenticator: authenticator}, nil
+}