fix: query account balance by ibc denom

CHANGELOG.md

@@ -157,6 +157,8 @@ Ref: https://keepachangelog.com/en/1.0.0/
 * [\#10239](https://github.com/cosmos/cosmos-sdk/pull/10239) Fixed x/bank/044 migrateDenomMetadata.
 * (x/upgrade) [\#10189](https://github.com/cosmos/cosmos-sdk/issues/10189) Removed potential sources of non-determinism in upgrades
 * [\#10258](https://github.com/cosmos/cosmos-sdk/issues/10258) Fixes issue related to segmentaiton fault on mac m1 arm64
+* [\#10394](https://github.com/cosmos/cosmos-sdk/issues/10394) Fixes issue related to grpc-gateway of account balance by
+  ibc-denom.
 
 ### State Machine Breaking
 

docs/core/proto-docs.md

@@ -2269,7 +2269,7 @@ Query defines the gRPC querier service.
 
 | Method Name | Request Type | Response Type | Description | HTTP Verb | Endpoint |
 | ----------- | ------------ | ------------- | ------------| ------- | -------- |
-| `Balance` | [QueryBalanceRequest](#cosmos.bank.v1beta1.QueryBalanceRequest) | [QueryBalanceResponse](#cosmos.bank.v1beta1.QueryBalanceResponse) | Balance queries the balance of a single coin for a single account. | GET|/cosmos/bank/v1beta1/balances/{address}/{denom}|
+| `Balance` | [QueryBalanceRequest](#cosmos.bank.v1beta1.QueryBalanceRequest) | [QueryBalanceResponse](#cosmos.bank.v1beta1.QueryBalanceResponse) | Balance queries the balance of a single coin for a single account. | GET|/cosmos/bank/v1beta1/balances/{address}/by_denom|
 | `AllBalances` | [QueryAllBalancesRequest](#cosmos.bank.v1beta1.QueryAllBalancesRequest) | [QueryAllBalancesResponse](#cosmos.bank.v1beta1.QueryAllBalancesResponse) | AllBalances queries the balance of all coins for a single account. | GET|/cosmos/bank/v1beta1/balances/{address}|
 | `TotalSupply` | [QueryTotalSupplyRequest](#cosmos.bank.v1beta1.QueryTotalSupplyRequest) | [QueryTotalSupplyResponse](#cosmos.bank.v1beta1.QueryTotalSupplyResponse) | TotalSupply queries the total supply of all coins. | GET|/cosmos/bank/v1beta1/supply|
 | `SupplyOf` | [QuerySupplyOfRequest](#cosmos.bank.v1beta1.QuerySupplyOfRequest) | [QuerySupplyOfResponse](#cosmos.bank.v1beta1.QuerySupplyOfResponse) | SupplyOf queries the supply of a single coin. | GET|/cosmos/bank/v1beta1/supply/{denom}|

proto/cosmos/bank/v1beta1/query.proto

@@ -14,7 +14,7 @@ option go_package = "github.com/cosmos/cosmos-sdk/x/bank/types";
 service Query {
   // Balance queries the balance of a single coin for a single account.
   rpc Balance(QueryBalanceRequest) returns (QueryBalanceResponse) {
-    option (google.api.http).get = "/cosmos/bank/v1beta1/balances/{address}/{denom}";
+    option (google.api.http).get = "/cosmos/bank/v1beta1/balances/{address}/by_denom";
   }
 
   // AllBalances queries the balance of all coins for a single account.
@@ -57,7 +57,7 @@ service Query {
 
 // QueryBalanceRequest is the request type for the Query/Balance RPC method.
 message QueryBalanceRequest {
-  option (gogoproto.equal)           = false;
+  option (gogoproto.equal) = false;
   option (gogoproto.goproto_getters) = false;
 
   // address is the address to query balances for.
@@ -75,7 +75,7 @@ message QueryBalanceResponse {
 
 // QueryBalanceRequest is the request type for the Query/AllBalances RPC method.
 message QueryAllBalancesRequest {
-  option (gogoproto.equal)           = false;
+  option (gogoproto.equal) = false;
   option (gogoproto.goproto_getters) = false;
 
   // address is the address to query balances for.
@@ -90,7 +90,7 @@ message QueryAllBalancesRequest {
 message QueryAllBalancesResponse {
   // balances is the balances of all the coins.
   repeated cosmos.base.v1beta1.Coin balances = 1
-      [(gogoproto.nullable) = false, (gogoproto.castrepeated) = "github.com/cosmos/cosmos-sdk/types.Coins"];
+  [(gogoproto.nullable) = false, (gogoproto.castrepeated) = "github.com/cosmos/cosmos-sdk/types.Coins"];
 
   // pagination defines the pagination in the response.
   cosmos.base.query.v1beta1.PageResponse pagination = 2;
@@ -99,7 +99,7 @@ message QueryAllBalancesResponse {
 // QueryTotalSupplyRequest is the request type for the Query/TotalSupply RPC
 // method.
 message QueryTotalSupplyRequest {
-  option (gogoproto.equal)           = false;
+  option (gogoproto.equal) = false;
   option (gogoproto.goproto_getters) = false;
 
   // pagination defines an optional pagination for the request.
@@ -111,7 +111,7 @@ message QueryTotalSupplyRequest {
 message QueryTotalSupplyResponse {
   // supply is the supply of the coins
   repeated cosmos.base.v1beta1.Coin supply = 1
-      [(gogoproto.nullable) = false, (gogoproto.castrepeated) = "github.com/cosmos/cosmos-sdk/types.Coins"];
+  [(gogoproto.nullable) = false, (gogoproto.castrepeated) = "github.com/cosmos/cosmos-sdk/types.Coins"];
 
   // pagination defines the pagination in the response.
   cosmos.base.query.v1beta1.PageResponse pagination = 2;

x/bank/client/testutil/grpc.go

@@ -250,7 +250,7 @@ func (s *IntegrationTestSuite) TestBalancesGRPCHandler() {
 		},
 		{
 			"gPRC account balance of a denom",
-			fmt.Sprintf("%s/cosmos/bank/v1beta1/balances/%s/%s", baseURL, val.Address.String(), s.cfg.BondDenom),
+			fmt.Sprintf("%s/cosmos/bank/v1beta1/balances/%s/by_denom?denom=%s", baseURL, val.Address.String(), s.cfg.BondDenom),
 			&types.QueryBalanceResponse{},
 			&types.QueryBalanceResponse{
 				Balance: &sdk.Coin{
@@ -261,7 +261,7 @@ func (s *IntegrationTestSuite) TestBalancesGRPCHandler() {
 		},
 		{
 			"gPRC account balance of a bogus denom",
-			fmt.Sprintf("%s/cosmos/bank/v1beta1/balances/%s/foobar", baseURL, val.Address.String()),
+			fmt.Sprintf("%s/cosmos/bank/v1beta1/balances/%s/by_denom?denom=foobar", baseURL, val.Address.String()),
 			&types.QueryBalanceResponse{},
 			&types.QueryBalanceResponse{
 				Balance: &sdk.Coin{