fix: collect all responses from authz/MsgExec (#9538)

## Description

Closes: #9536

### 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/cosmos/cosmos-sdk/blob/master/CONTRIBUTING.md#pr-targeting))
- [x] provided a link to the relevant issue or specification
- [x] followed the guidelines for [building modules](https://github.com/cosmos/cosmos-sdk/blob/master/docs/building-modules)
- [ ] included the necessary unit and integration [tests](https://github.com/cosmos/cosmos-sdk/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
- [ ] reviewed "Files changed" and left comments if necessary
- [ ] 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)

docs/core/proto-docs.md

@@ -1308,7 +1308,7 @@ MsgExecResponse defines the Msg/MsgExecResponse response type.
 
 | Field | Type | Label | Description |
 | ----- | ---- | ----- | ----------- |
-| `result` | [cosmos.base.abci.v1beta1.Result](#cosmos.base.abci.v1beta1.Result) |  |  |
+| `results` | [bytes](#bytes) | repeated |  |
 
 
 

proto/cosmos/authz/v1beta1/tx.proto

@@ -40,7 +40,7 @@ message MsgGrant {
 
 // MsgExecResponse defines the Msg/MsgExecResponse response type.
 message MsgExecResponse {
-  cosmos.base.abci.v1beta1.Result result = 1;
+  repeated bytes results = 1;
 }
 
 // MsgExec attempts to execute the provided messages using

x/authz/keeper/keeper.go

@@ -72,10 +72,9 @@ func (k Keeper) update(ctx sdk.Context, grantee sdk.AccAddress, granter sdk.AccA
 
 // DispatchActions attempts to execute the provided messages via authorization
 // grants from the message signer to the grantee.
-func (k Keeper) DispatchActions(ctx sdk.Context, grantee sdk.AccAddress, msgs []sdk.Msg) (*sdk.Result, error) {
+func (k Keeper) DispatchActions(ctx sdk.Context, grantee sdk.AccAddress, msgs []sdk.Msg) ([][]byte, error) {
-	var msgResult *sdk.Result
+	var results = make([][]byte, len(msgs))
-	var err error
+	for i, msg := range msgs {
-	for _, msg := range msgs {
 		signers := msg.GetSigners()
 		if len(signers) != 1 {
 			return nil, sdkerrors.ErrInvalidRequest.Wrap("authorization can be given to msg with only one signer")
@@ -103,19 +102,20 @@ func (k Keeper) DispatchActions(ctx sdk.Context, grantee sdk.AccAddress, msgs []
 				return nil, sdkerrors.ErrUnauthorized
 			}
 		}
-		handler := k.router.Handler(msg)
 
+		handler := k.router.Handler(msg)
 		if handler == nil {
 			return nil, sdkerrors.ErrUnknownRequest.Wrapf("unrecognized message route: %s", sdk.MsgTypeURL(msg))
 		}
 
-		msgResult, err = handler(ctx, msg)
+		msgResp, err := handler(ctx, msg)
 		if err != nil {
 			return nil, sdkerrors.Wrapf(err, "failed to execute message; message %v", msg)
 		}
+		results[i] = msgResp.Data
 	}
 
-	return msgResult, nil
+	return results, nil
 }
 
 // SaveGrant method grants the provided authorization to the grantee on the granter's account

x/authz/keeper/msg_server.go

@@ -70,9 +70,9 @@ func (k Keeper) Exec(goCtx context.Context, msg *authz.MsgExec) (*authz.MsgExecR
 	if err != nil {
 		return nil, err
 	}
-	result, err := k.DispatchActions(ctx, grantee, msgs)
+	results, err := k.DispatchActions(ctx, grantee, msgs)
 	if err != nil {
 		return nil, err
 	}
-	return &authz.MsgExecResponse{Result: result}, nil
+	return &authz.MsgExecResponse{Results: results}, nil
 }

x/authz/tx.pb.go

@@ -6,8 +6,8 @@ package authz
 import (
 	context "context"
 	fmt "fmt"
-	types1 "github.com/cosmos/cosmos-sdk/codec/types"
+	types "github.com/cosmos/cosmos-sdk/codec/types"
-	types "github.com/cosmos/cosmos-sdk/types"
+	_ "github.com/cosmos/cosmos-sdk/types"
 	_ "github.com/gogo/protobuf/gogoproto"
 	grpc1 "github.com/gogo/protobuf/grpc"
 	proto "github.com/gogo/protobuf/proto"
@@ -75,7 +75,7 @@ var xxx_messageInfo_MsgGrant proto.InternalMessageInfo
 
 // MsgExecResponse defines the Msg/MsgExecResponse response type.
 type MsgExecResponse struct {
-	Result *types.Result `protobuf:"bytes,1,opt,name=result,proto3" json:"result,omitempty"`
+	Results [][]byte `protobuf:"bytes,1,rep,name=results,proto3" json:"results,omitempty"`
 }
 
 func (m *MsgExecResponse) Reset()         { *m = MsgExecResponse{} }
@@ -119,7 +119,7 @@ type MsgExec struct {
 	// Authorization Msg requests to execute. Each msg must implement Authorization interface
 	// The x/authz will try to find a grant matching (msg.signers[0], grantee, MsgTypeURL(msg))
 	// triple and validate it.
-	Msgs []*types1.Any `protobuf:"bytes,2,rep,name=msgs,proto3" json:"msgs,omitempty"`
+	Msgs []*types.Any `protobuf:"bytes,2,rep,name=msgs,proto3" json:"msgs,omitempty"`
 }
 
 func (m *MsgExec) Reset()         { *m = MsgExec{} }
@@ -282,39 +282,38 @@ func init() {
 func init() { proto.RegisterFile("cosmos/authz/v1beta1/tx.proto", fileDescriptor_3ceddab7d8589ad1) }
 
 var fileDescriptor_3ceddab7d8589ad1 = []byte{
-	// 498 bytes of a gzipped FileDescriptorProto
+	// 487 bytes of a gzipped FileDescriptorProto
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+	0x02, 0xf3, 0xbe, 0xd3, 0x03, 0x00, 0x00,
-	0x00, 0x00,
 }
 
 // Reference imports to suppress errors if they are not otherwise used.
@@ -554,17 +553,14 @@ func (m *MsgExecResponse) MarshalToSizedBuffer(dAtA []byte) (int, error) {
 	_ = i
 	var l int
 	_ = l
-	if m.Result != nil {
+	if len(m.Results) > 0 {
-		{
+		for iNdEx := len(m.Results) - 1; iNdEx >= 0; iNdEx-- {
-			size, err := m.Result.MarshalToSizedBuffer(dAtA[:i])
+			i -= len(m.Results[iNdEx])
-			if err != nil {
+			copy(dAtA[i:], m.Results[iNdEx])
-				return 0, err
+			i = encodeVarintTx(dAtA, i, uint64(len(m.Results[iNdEx])))
-			}
+			i--
-			i -= size
+			dAtA[i] = 0xa
-			i = encodeVarintTx(dAtA, i, uint64(size))
 		}
-		i--
-		dAtA[i] = 0xa
 	}
 	return len(dAtA) - i, nil
 }
@@ -739,9 +735,11 @@ func (m *MsgExecResponse) Size() (n int) {
 	}
 	var l int
 	_ = l
-	if m.Result != nil {
+	if len(m.Results) > 0 {
-		l = m.Result.Size()
+		for _, b := range m.Results {
-		n += 1 + l + sovTx(uint64(l))
+			l = len(b)
+			n += 1 + l + sovTx(uint64(l))
+		}
 	}
 	return n
 }
@@ -988,9 +986,9 @@ func (m *MsgExecResponse) Unmarshal(dAtA []byte) error {
 		switch fieldNum {
 		case 1:
 			if wireType != 2 {
-				return fmt.Errorf("proto: wrong wireType = %d for field Result", wireType)
+				return fmt.Errorf("proto: wrong wireType = %d for field Results", wireType)
 			}
-			var msglen int
+			var byteLen int
 			for shift := uint(0); ; shift += 7 {
 				if shift >= 64 {
 					return ErrIntOverflowTx
@@ -1000,27 +998,23 @@ func (m *MsgExecResponse) Unmarshal(dAtA []byte) error {
 				}
 				b := dAtA[iNdEx]
 				iNdEx++
-				msglen |= int(b&0x7F) << shift
+				byteLen |= int(b&0x7F) << shift
 				if b < 0x80 {
 					break
 				}
 			}
-			if msglen < 0 {
+			if byteLen < 0 {
 				return ErrInvalidLengthTx
 			}
-			postIndex := iNdEx + msglen
+			postIndex := iNdEx + byteLen
 			if postIndex < 0 {
 				return ErrInvalidLengthTx
 			}
 			if postIndex > l {
 				return io.ErrUnexpectedEOF
 			}
-			if m.Result == nil {
+			m.Results = append(m.Results, make([]byte, postIndex-iNdEx))
-				m.Result = &types.Result{}
+			copy(m.Results[len(m.Results)-1], dAtA[iNdEx:postIndex])
-			}
-			if err := m.Result.Unmarshal(dAtA[iNdEx:postIndex]); err != nil {
-				return err
-			}
 			iNdEx = postIndex
 		default:
 			iNdEx = preIndex
@@ -1133,7 +1127,7 @@ func (m *MsgExec) Unmarshal(dAtA []byte) error {
 			if postIndex > l {
 				return io.ErrUnexpectedEOF
 			}
-			m.Msgs = append(m.Msgs, &types1.Any{})
+			m.Msgs = append(m.Msgs, &types.Any{})
 			if err := m.Msgs[len(m.Msgs)-1].Unmarshal(dAtA[iNdEx:postIndex]); err != nil {
 				return err
 			}