diff --git a/docs/ibc/proto-docs.md b/docs/ibc/proto-docs.md
index 4b05a167c58..fd858751bf9 100644
--- a/docs/ibc/proto-docs.md
+++ b/docs/ibc/proto-docs.md
@@ -4,6 +4,9 @@
## Table of Contents
+- [ibc/applications/fee/v1/ack.proto](#ibc/applications/fee/v1/ack.proto)
+ - [IncentivizedAcknowledgement](#ibc.applications.fee.v1.IncentivizedAcknowledgement)
+
- [ibc/core/client/v1/client.proto](#ibc/core/client/v1/client.proto)
- [ClientConsensusStates](#ibc.core.client.v1.ClientConsensusStates)
- [ClientUpdateProposal](#ibc.core.client.v1.ClientUpdateProposal)
@@ -274,6 +277,39 @@
+
+Top
+
+## ibc/applications/fee/v1/ack.proto
+
+
+
+
+
+### IncentivizedAcknowledgement
+IncentivizedAcknowledgement is the acknowledgement format to be used by applications wrapped in the fee middleware
+It contains the raw acknowledgement bytes, as well as the forward relayer address
+
+
+| Field | Type | Label | Description |
+| ----- | ---- | ----- | ----------- |
+| `result` | [bytes](#bytes) | | |
+| `forward_relayer_address` | [string](#string) | | |
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
Top
diff --git a/modules/apps/29-fee/types/ack.pb.go b/modules/apps/29-fee/types/ack.pb.go
new file mode 100644
index 00000000000..0b970a8f918
--- /dev/null
+++ b/modules/apps/29-fee/types/ack.pb.go
@@ -0,0 +1,378 @@
+// Code generated by protoc-gen-gogo. DO NOT EDIT.
+// source: ibc/applications/fee/v1/ack.proto
+
+package types
+
+import (
+ fmt "fmt"
+ _ "github.com/gogo/protobuf/gogoproto"
+ proto "github.com/gogo/protobuf/proto"
+ io "io"
+ math "math"
+ math_bits "math/bits"
+)
+
+// Reference imports to suppress errors if they are not otherwise used.
+var _ = proto.Marshal
+var _ = fmt.Errorf
+var _ = math.Inf
+
+// This is a compile-time assertion to ensure that this generated file
+// is compatible with the proto package it is being compiled against.
+// A compilation error at this line likely means your copy of the
+// proto package needs to be updated.
+const _ = proto.GoGoProtoPackageIsVersion3 // please upgrade the proto package
+
+// IncentivizedAcknowledgement is the acknowledgement format to be used by applications wrapped in the fee middleware
+// It contains the raw acknowledgement bytes, as well as the forward relayer address
+type IncentivizedAcknowledgement struct {
+ Result []byte `protobuf:"bytes,1,opt,name=result,proto3" json:"result,omitempty"`
+ ForwardRelayerAddress string `protobuf:"bytes,2,opt,name=forward_relayer_address,json=forwardRelayerAddress,proto3" json:"forward_relayer_address,omitempty" yaml:"forward_relayer_address"`
+}
+
+func (m *IncentivizedAcknowledgement) Reset() { *m = IncentivizedAcknowledgement{} }
+func (m *IncentivizedAcknowledgement) String() string { return proto.CompactTextString(m) }
+func (*IncentivizedAcknowledgement) ProtoMessage() {}
+func (*IncentivizedAcknowledgement) Descriptor() ([]byte, []int) {
+ return fileDescriptor_ab2834946fb65ea4, []int{0}
+}
+func (m *IncentivizedAcknowledgement) XXX_Unmarshal(b []byte) error {
+ return m.Unmarshal(b)
+}
+func (m *IncentivizedAcknowledgement) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+ if deterministic {
+ return xxx_messageInfo_IncentivizedAcknowledgement.Marshal(b, m, deterministic)
+ } else {
+ b = b[:cap(b)]
+ n, err := m.MarshalToSizedBuffer(b)
+ if err != nil {
+ return nil, err
+ }
+ return b[:n], nil
+ }
+}
+func (m *IncentivizedAcknowledgement) XXX_Merge(src proto.Message) {
+ xxx_messageInfo_IncentivizedAcknowledgement.Merge(m, src)
+}
+func (m *IncentivizedAcknowledgement) XXX_Size() int {
+ return m.Size()
+}
+func (m *IncentivizedAcknowledgement) XXX_DiscardUnknown() {
+ xxx_messageInfo_IncentivizedAcknowledgement.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_IncentivizedAcknowledgement proto.InternalMessageInfo
+
+func (m *IncentivizedAcknowledgement) GetResult() []byte {
+ if m != nil {
+ return m.Result
+ }
+ return nil
+}
+
+func (m *IncentivizedAcknowledgement) GetForwardRelayerAddress() string {
+ if m != nil {
+ return m.ForwardRelayerAddress
+ }
+ return ""
+}
+
+func init() {
+ proto.RegisterType((*IncentivizedAcknowledgement)(nil), "ibc.applications.fee.v1.IncentivizedAcknowledgement")
+}
+
+func init() { proto.RegisterFile("ibc/applications/fee/v1/ack.proto", fileDescriptor_ab2834946fb65ea4) }
+
+var fileDescriptor_ab2834946fb65ea4 = []byte{
+ // 273 bytes of a gzipped FileDescriptorProto
+ 0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0x74, 0xd0, 0xb1, 0x4e, 0xf3, 0x30,
+ 0x10, 0x07, 0xf0, 0xf8, 0x1b, 0x2a, 0x7d, 0x11, 0x53, 0x04, 0xb4, 0x02, 0xc9, 0x94, 0x4c, 0x5d,
+ 0x1a, 0xab, 0x65, 0x82, 0xad, 0xdd, 0x90, 0x98, 0x32, 0x76, 0xa9, 0x1c, 0xfb, 0x12, 0xac, 0x3a,
+ 0xb9, 0xc8, 0x76, 0x52, 0x85, 0xa7, 0x80, 0xb7, 0x62, 0xec, 0xc8, 0x84, 0x50, 0xf2, 0x06, 0x3c,
+ 0x01, 0x4a, 0xd3, 0x81, 0x85, 0xed, 0xee, 0xfe, 0xbf, 0xe5, 0xfe, 0xfe, 0xad, 0x4a, 0x04, 0xe3,
+ 0x65, 0xa9, 0x95, 0xe0, 0x4e, 0x61, 0x61, 0x59, 0x0a, 0xc0, 0xea, 0x05, 0xe3, 0x62, 0x17, 0x95,
+ 0x06, 0x1d, 0x06, 0x63, 0x95, 0x88, 0xe8, 0x37, 0x89, 0x52, 0x80, 0xa8, 0x5e, 0x5c, 0x9d, 0x67,
+ 0x98, 0xe1, 0xd1, 0xb0, 0x7e, 0x1a, 0x78, 0xf8, 0x46, 0xfc, 0xeb, 0xc7, 0x42, 0x40, 0xe1, 0x54,
+ 0xad, 0x5e, 0x40, 0xae, 0xc4, 0xae, 0xc0, 0xbd, 0x06, 0x99, 0x41, 0x0e, 0x85, 0x0b, 0x2e, 0xfd,
+ 0x91, 0x01, 0x5b, 0x69, 0x37, 0x21, 0x53, 0x32, 0x3b, 0x8b, 0x4f, 0x5b, 0xb0, 0xf1, 0xc7, 0x29,
+ 0x9a, 0x3d, 0x37, 0x72, 0x6b, 0x40, 0xf3, 0x06, 0xcc, 0x96, 0x4b, 0x69, 0xc0, 0xda, 0xc9, 0xbf,
+ 0x29, 0x99, 0xfd, 0x5f, 0x87, 0xdf, 0x9f, 0x37, 0xb4, 0xe1, 0xb9, 0x7e, 0x08, 0xff, 0x80, 0x61,
+ 0x7c, 0x71, 0x4a, 0xe2, 0x21, 0x58, 0x0d, 0xf7, 0xf5, 0xd3, 0x7b, 0x4b, 0xc9, 0xa1, 0xa5, 0xe4,
+ 0xab, 0xa5, 0xe4, 0xb5, 0xa3, 0xde, 0xa1, 0xa3, 0xde, 0x47, 0x47, 0xbd, 0xcd, 0x32, 0x53, 0xee,
+ 0xb9, 0x4a, 0x22, 0x81, 0x39, 0x13, 0x68, 0x73, 0xb4, 0x4c, 0x25, 0x62, 0x9e, 0x21, 0xcb, 0x51,
+ 0x56, 0x1a, 0x6c, 0x5f, 0x8e, 0x65, 0xcb, 0xfb, 0x79, 0xdf, 0x8b, 0x6b, 0x4a, 0xb0, 0xc9, 0xe8,
+ 0xf8, 0xe8, 0xdd, 0x4f, 0x00, 0x00, 0x00, 0xff, 0xff, 0xac, 0x06, 0x77, 0x12, 0x3c, 0x01, 0x00,
+ 0x00,
+}
+
+func (m *IncentivizedAcknowledgement) Marshal() (dAtA []byte, err error) {
+ size := m.Size()
+ dAtA = make([]byte, size)
+ n, err := m.MarshalToSizedBuffer(dAtA[:size])
+ if err != nil {
+ return nil, err
+ }
+ return dAtA[:n], nil
+}
+
+func (m *IncentivizedAcknowledgement) MarshalTo(dAtA []byte) (int, error) {
+ size := m.Size()
+ return m.MarshalToSizedBuffer(dAtA[:size])
+}
+
+func (m *IncentivizedAcknowledgement) MarshalToSizedBuffer(dAtA []byte) (int, error) {
+ i := len(dAtA)
+ _ = i
+ var l int
+ _ = l
+ if len(m.ForwardRelayerAddress) > 0 {
+ i -= len(m.ForwardRelayerAddress)
+ copy(dAtA[i:], m.ForwardRelayerAddress)
+ i = encodeVarintAck(dAtA, i, uint64(len(m.ForwardRelayerAddress)))
+ i--
+ dAtA[i] = 0x12
+ }
+ if len(m.Result) > 0 {
+ i -= len(m.Result)
+ copy(dAtA[i:], m.Result)
+ i = encodeVarintAck(dAtA, i, uint64(len(m.Result)))
+ i--
+ dAtA[i] = 0xa
+ }
+ return len(dAtA) - i, nil
+}
+
+func encodeVarintAck(dAtA []byte, offset int, v uint64) int {
+ offset -= sovAck(v)
+ base := offset
+ for v >= 1<<7 {
+ dAtA[offset] = uint8(v&0x7f | 0x80)
+ v >>= 7
+ offset++
+ }
+ dAtA[offset] = uint8(v)
+ return base
+}
+func (m *IncentivizedAcknowledgement) Size() (n int) {
+ if m == nil {
+ return 0
+ }
+ var l int
+ _ = l
+ l = len(m.Result)
+ if l > 0 {
+ n += 1 + l + sovAck(uint64(l))
+ }
+ l = len(m.ForwardRelayerAddress)
+ if l > 0 {
+ n += 1 + l + sovAck(uint64(l))
+ }
+ return n
+}
+
+func sovAck(x uint64) (n int) {
+ return (math_bits.Len64(x|1) + 6) / 7
+}
+func sozAck(x uint64) (n int) {
+ return sovAck(uint64((x << 1) ^ uint64((int64(x) >> 63))))
+}
+func (m *IncentivizedAcknowledgement) Unmarshal(dAtA []byte) error {
+ l := len(dAtA)
+ iNdEx := 0
+ for iNdEx < l {
+ preIndex := iNdEx
+ var wire uint64
+ for shift := uint(0); ; shift += 7 {
+ if shift >= 64 {
+ return ErrIntOverflowAck
+ }
+ if iNdEx >= l {
+ return io.ErrUnexpectedEOF
+ }
+ b := dAtA[iNdEx]
+ iNdEx++
+ wire |= uint64(b&0x7F) << shift
+ if b < 0x80 {
+ break
+ }
+ }
+ fieldNum := int32(wire >> 3)
+ wireType := int(wire & 0x7)
+ if wireType == 4 {
+ return fmt.Errorf("proto: IncentivizedAcknowledgement: wiretype end group for non-group")
+ }
+ if fieldNum <= 0 {
+ return fmt.Errorf("proto: IncentivizedAcknowledgement: illegal tag %d (wire type %d)", fieldNum, wire)
+ }
+ switch fieldNum {
+ case 1:
+ if wireType != 2 {
+ return fmt.Errorf("proto: wrong wireType = %d for field Result", wireType)
+ }
+ var byteLen int
+ for shift := uint(0); ; shift += 7 {
+ if shift >= 64 {
+ return ErrIntOverflowAck
+ }
+ if iNdEx >= l {
+ return io.ErrUnexpectedEOF
+ }
+ b := dAtA[iNdEx]
+ iNdEx++
+ byteLen |= int(b&0x7F) << shift
+ if b < 0x80 {
+ break
+ }
+ }
+ if byteLen < 0 {
+ return ErrInvalidLengthAck
+ }
+ postIndex := iNdEx + byteLen
+ if postIndex < 0 {
+ return ErrInvalidLengthAck
+ }
+ if postIndex > l {
+ return io.ErrUnexpectedEOF
+ }
+ m.Result = append(m.Result[:0], dAtA[iNdEx:postIndex]...)
+ if m.Result == nil {
+ m.Result = []byte{}
+ }
+ iNdEx = postIndex
+ case 2:
+ if wireType != 2 {
+ return fmt.Errorf("proto: wrong wireType = %d for field ForwardRelayerAddress", wireType)
+ }
+ var stringLen uint64
+ for shift := uint(0); ; shift += 7 {
+ if shift >= 64 {
+ return ErrIntOverflowAck
+ }
+ if iNdEx >= l {
+ return io.ErrUnexpectedEOF
+ }
+ b := dAtA[iNdEx]
+ iNdEx++
+ stringLen |= uint64(b&0x7F) << shift
+ if b < 0x80 {
+ break
+ }
+ }
+ intStringLen := int(stringLen)
+ if intStringLen < 0 {
+ return ErrInvalidLengthAck
+ }
+ postIndex := iNdEx + intStringLen
+ if postIndex < 0 {
+ return ErrInvalidLengthAck
+ }
+ if postIndex > l {
+ return io.ErrUnexpectedEOF
+ }
+ m.ForwardRelayerAddress = string(dAtA[iNdEx:postIndex])
+ iNdEx = postIndex
+ default:
+ iNdEx = preIndex
+ skippy, err := skipAck(dAtA[iNdEx:])
+ if err != nil {
+ return err
+ }
+ if (skippy < 0) || (iNdEx+skippy) < 0 {
+ return ErrInvalidLengthAck
+ }
+ if (iNdEx + skippy) > l {
+ return io.ErrUnexpectedEOF
+ }
+ iNdEx += skippy
+ }
+ }
+
+ if iNdEx > l {
+ return io.ErrUnexpectedEOF
+ }
+ return nil
+}
+func skipAck(dAtA []byte) (n int, err error) {
+ l := len(dAtA)
+ iNdEx := 0
+ depth := 0
+ for iNdEx < l {
+ var wire uint64
+ for shift := uint(0); ; shift += 7 {
+ if shift >= 64 {
+ return 0, ErrIntOverflowAck
+ }
+ if iNdEx >= l {
+ return 0, io.ErrUnexpectedEOF
+ }
+ b := dAtA[iNdEx]
+ iNdEx++
+ wire |= (uint64(b) & 0x7F) << shift
+ if b < 0x80 {
+ break
+ }
+ }
+ wireType := int(wire & 0x7)
+ switch wireType {
+ case 0:
+ for shift := uint(0); ; shift += 7 {
+ if shift >= 64 {
+ return 0, ErrIntOverflowAck
+ }
+ if iNdEx >= l {
+ return 0, io.ErrUnexpectedEOF
+ }
+ iNdEx++
+ if dAtA[iNdEx-1] < 0x80 {
+ break
+ }
+ }
+ case 1:
+ iNdEx += 8
+ case 2:
+ var length int
+ for shift := uint(0); ; shift += 7 {
+ if shift >= 64 {
+ return 0, ErrIntOverflowAck
+ }
+ if iNdEx >= l {
+ return 0, io.ErrUnexpectedEOF
+ }
+ b := dAtA[iNdEx]
+ iNdEx++
+ length |= (int(b) & 0x7F) << shift
+ if b < 0x80 {
+ break
+ }
+ }
+ if length < 0 {
+ return 0, ErrInvalidLengthAck
+ }
+ iNdEx += length
+ case 3:
+ depth++
+ case 4:
+ if depth == 0 {
+ return 0, ErrUnexpectedEndOfGroupAck
+ }
+ depth--
+ case 5:
+ iNdEx += 4
+ default:
+ return 0, fmt.Errorf("proto: illegal wireType %d", wireType)
+ }
+ if iNdEx < 0 {
+ return 0, ErrInvalidLengthAck
+ }
+ if depth == 0 {
+ return iNdEx, nil
+ }
+ }
+ return 0, io.ErrUnexpectedEOF
+}
+
+var (
+ ErrInvalidLengthAck = fmt.Errorf("proto: negative length found during unmarshaling")
+ ErrIntOverflowAck = fmt.Errorf("proto: integer overflow")
+ ErrUnexpectedEndOfGroupAck = fmt.Errorf("proto: unexpected end of group")
+)
diff --git a/proto/ibc/applications/fee/v1/ack.proto b/proto/ibc/applications/fee/v1/ack.proto
new file mode 100644
index 00000000000..bfc76e38385
--- /dev/null
+++ b/proto/ibc/applications/fee/v1/ack.proto
@@ -0,0 +1,12 @@
+syntax = "proto3";
+
+package ibc.applications.fee.v1;
+import "gogoproto/gogo.proto";
+option go_package = "github.com/cosmos/ibc-go/modules/apps/29-fee/types";
+
+// IncentivizedAcknowledgement is the acknowledgement format to be used by applications wrapped in the fee middleware
+// It contains the raw acknowledgement bytes, as well as the forward relayer address
+message IncentivizedAcknowledgement {
+ bytes result = 1;
+ string forward_relayer_address = 2 [(gogoproto.moretags) = "yaml:\"forward_relayer_address\""];
+}
\ No newline at end of file