feat: add query for getting all assigned keys

proto/interchain_security/ccv/provider/v1/query.proto

@@ -49,6 +49,13 @@ service Query {
     option (google.api.http).get = "/interchain_security/ccv/provider/validator_consumer_addr";
   }
 
+  // QueryValidatorConsumerAddr queries the address
+  // assigned by a validator for a consumer chain.
+  rpc QueryAllValidatorsConsumerAddr(QueryAllValidatorsConsumerAddrRequest)
+      returns (QueryAllValidatorsConsumerAddrResponse) {
+    option (google.api.http).get = "/interchain_security/ccv/provider/all_validator_consumer_addr";
+  }
+
   // QueryProviderAddr returns the provider chain validator
   // given a consumer chain validator address
   rpc QueryValidatorProviderAddr(QueryValidatorProviderAddrRequest)
@@ -119,6 +126,26 @@ message QueryValidatorConsumerAddrResponse {
   string consumer_address = 1;
 }
 
+message QueryAllValidatorsConsumerAddrRequest {
+  option (gogoproto.equal) = false;
+  option (gogoproto.goproto_getters) = false;
+  // The id of the consumer chain, optional
+  string chain_id = 1;
+}
+
+message ValidatorWithConsumerAddr {
+  // The id of the consumer chain, optional
+  string chain_id = 1;
+  // The address of the validator on the consumer chain
+  string consumer_address = 2;
+  // The address of the validator on the provider chain
+  string provider_address = 3;
+}
+
+message QueryAllValidatorsConsumerAddrResponse {
+  repeated ValidatorWithConsumerAddr validators = 1;
+}
+
 message QueryValidatorProviderAddrRequest {
   option (gogoproto.equal) = false;
   option (gogoproto.goproto_getters) = false;

x/ccv/provider/client/cli/query.go

@@ -203,6 +203,50 @@ $ %s query provider validator-consumer-key foochain %s1gghjut3ccd8ay0zduzj64hwre
 	return cmd
 }
 
+// TODO: fix naming
+func CmdConsumerAllValidatorKeysAssignment() *cobra.Command {
+	cmd := &cobra.Command{
+		Use:   "validators-consumer-keys [chainid]",
+		Short: "Query all assigned validators consensus public keys",
+		Long: strings.TrimSpace(
+			fmt.Sprintf(`Returns the currently assigned validators consensus public keys for a
+specified consumer chain (or all chains), if one has been assigned.
+Example:
+$ %s query provider validators-consumer-keys foochain
+`,
+				version.AppName,
+			),
+		),
+		Args: cobra.MaximumNArgs(1),
+		RunE: func(cmd *cobra.Command, args []string) (err error) {
+			clientCtx, err := client.GetClientQueryContext(cmd)
+			if err != nil {
+				return err
+			}
+			queryClient := types.NewQueryClient(clientCtx)
+
+			consumerChainID := ""
+			if len(args) > 0 {
+				consumerChainID = args[0]
+			}
+
+			req := &types.QueryAllValidatorsConsumerAddrRequest{
+				ChainId: consumerChainID,
+			}
+			res, err := queryClient.QueryAllValidatorsConsumerAddr(cmd.Context(), req)
+			if err != nil {
+				return err
+			}
+
+			return clientCtx.PrintProto(res)
+		},
+	}
+
+	flags.AddQueryFlagsToCmd(cmd)
+
+	return cmd
+}
+
 // TODO: fix naming
 func CmdProviderValidatorKey() *cobra.Command {
 	bech32PrefixConsAddr := sdk.GetConfig().GetBech32ConsensusAddrPrefix()

x/ccv/provider/keeper/grpc_query.go

@@ -112,6 +112,34 @@ func (k Keeper) QueryValidatorConsumerAddr(goCtx context.Context, req *types.Que
 	}, nil
 }
 
+func (k Keeper) QueryAllValidatorsConsumerAddr(goCtx context.Context, req *types.QueryAllValidatorsConsumerAddrRequest) (*types.QueryAllValidatorsConsumerAddrResponse, error) {
+	if req == nil {
+		return nil, status.Error(codes.InvalidArgument, "empty request")
+	}
+
+	ctx := sdk.UnwrapSDKContext(goCtx)
+
+	var chainID *string
+	if req.ChainId != "" {
+		chainID = &req.ChainId
+	}
+
+	keys := k.GetAllValidatorConsumerPubKeys(ctx, chainID)
+
+	validators := make([]*types.ValidatorWithConsumerAddr, len(keys))
+	for index, validatorInfo := range validators {
+		validators[index] = &types.ValidatorWithConsumerAddr{
+			ChainId:         validatorInfo.ChainId,
+			ConsumerAddress: validatorInfo.ConsumerAddress,
+			ProviderAddress: validatorInfo.ProviderAddress,
+		}
+	}
+
+	return &types.QueryAllValidatorsConsumerAddrResponse{
+		Validators: validators,
+	}, nil
+}
+
 func (k Keeper) QueryValidatorProviderAddr(goCtx context.Context, req *types.QueryValidatorProviderAddrRequest) (*types.QueryValidatorProviderAddrResponse, error) {
 	if req == nil {
 		return nil, status.Error(codes.InvalidArgument, "empty request")