From 3bf764ddee3476360f8dd1c96ccff20e3166da3e Mon Sep 17 00:00:00 2001
From: satawatnack <satawat@bandprotocol.com>
Date: Thu, 12 Dec 2024 16:46:41 +0700
Subject: [PATCH 1/8] add withdraw fee payer funds

---
 api/band/tunnel/v1beta1/tx.pulsar.go        | 1585 ++++++++++++++++---
 api/band/tunnel/v1beta1/tx_grpc.pb.go       |   39 +
 proto/band/tunnel/v1beta1/tx.proto          |   23 +
 x/tunnel/client/cli/tx.go                   |   32 +
 x/tunnel/keeper/msg_server.go               |   29 +
 x/tunnel/testutil/expected_keepers_mocks.go |   22 +-
 x/tunnel/types/expected_keepers.go          |    2 +-
 x/tunnel/types/msgs.go                      |   30 +-
 x/tunnel/types/tx.pb.go                     |  593 ++++++-
 9 files changed, 2021 insertions(+), 334 deletions(-)

diff --git a/api/band/tunnel/v1beta1/tx.pulsar.go b/api/band/tunnel/v1beta1/tx.pulsar.go
index 5055b84a9..92f36d9a9 100644
--- a/api/band/tunnel/v1beta1/tx.pulsar.go
+++ b/api/band/tunnel/v1beta1/tx.pulsar.go
@@ -3158,6 +3158,968 @@ func (x *fastReflection_MsgUpdateSignalsAndIntervalResponse) ProtoMethods() *pro
 	}
 }
 
+var _ protoreflect.List = (*_MsgWithdrawFeePayerFunds_2_list)(nil)
+
+type _MsgWithdrawFeePayerFunds_2_list struct {
+	list *[]*v1beta1.Coin
+}
+
+func (x *_MsgWithdrawFeePayerFunds_2_list) Len() int {
+	if x.list == nil {
+		return 0
+	}
+	return len(*x.list)
+}
+
+func (x *_MsgWithdrawFeePayerFunds_2_list) Get(i int) protoreflect.Value {
+	return protoreflect.ValueOfMessage((*x.list)[i].ProtoReflect())
+}
+
+func (x *_MsgWithdrawFeePayerFunds_2_list) Set(i int, value protoreflect.Value) {
+	valueUnwrapped := value.Message()
+	concreteValue := valueUnwrapped.Interface().(*v1beta1.Coin)
+	(*x.list)[i] = concreteValue
+}
+
+func (x *_MsgWithdrawFeePayerFunds_2_list) Append(value protoreflect.Value) {
+	valueUnwrapped := value.Message()
+	concreteValue := valueUnwrapped.Interface().(*v1beta1.Coin)
+	*x.list = append(*x.list, concreteValue)
+}
+
+func (x *_MsgWithdrawFeePayerFunds_2_list) AppendMutable() protoreflect.Value {
+	v := new(v1beta1.Coin)
+	*x.list = append(*x.list, v)
+	return protoreflect.ValueOfMessage(v.ProtoReflect())
+}
+
+func (x *_MsgWithdrawFeePayerFunds_2_list) Truncate(n int) {
+	for i := n; i < len(*x.list); i++ {
+		(*x.list)[i] = nil
+	}
+	*x.list = (*x.list)[:n]
+}
+
+func (x *_MsgWithdrawFeePayerFunds_2_list) NewElement() protoreflect.Value {
+	v := new(v1beta1.Coin)
+	return protoreflect.ValueOfMessage(v.ProtoReflect())
+}
+
+func (x *_MsgWithdrawFeePayerFunds_2_list) IsValid() bool {
+	return x.list != nil
+}
+
+var (
+	md_MsgWithdrawFeePayerFunds           protoreflect.MessageDescriptor
+	fd_MsgWithdrawFeePayerFunds_tunnel_id protoreflect.FieldDescriptor
+	fd_MsgWithdrawFeePayerFunds_amount    protoreflect.FieldDescriptor
+	fd_MsgWithdrawFeePayerFunds_creator   protoreflect.FieldDescriptor
+)
+
+func init() {
+	file_band_tunnel_v1beta1_tx_proto_init()
+	md_MsgWithdrawFeePayerFunds = File_band_tunnel_v1beta1_tx_proto.Messages().ByName("MsgWithdrawFeePayerFunds")
+	fd_MsgWithdrawFeePayerFunds_tunnel_id = md_MsgWithdrawFeePayerFunds.Fields().ByName("tunnel_id")
+	fd_MsgWithdrawFeePayerFunds_amount = md_MsgWithdrawFeePayerFunds.Fields().ByName("amount")
+	fd_MsgWithdrawFeePayerFunds_creator = md_MsgWithdrawFeePayerFunds.Fields().ByName("creator")
+}
+
+var _ protoreflect.Message = (*fastReflection_MsgWithdrawFeePayerFunds)(nil)
+
+type fastReflection_MsgWithdrawFeePayerFunds MsgWithdrawFeePayerFunds
+
+func (x *MsgWithdrawFeePayerFunds) ProtoReflect() protoreflect.Message {
+	return (*fastReflection_MsgWithdrawFeePayerFunds)(x)
+}
+
+func (x *MsgWithdrawFeePayerFunds) slowProtoReflect() protoreflect.Message {
+	mi := &file_band_tunnel_v1beta1_tx_proto_msgTypes[6]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+var _fastReflection_MsgWithdrawFeePayerFunds_messageType fastReflection_MsgWithdrawFeePayerFunds_messageType
+var _ protoreflect.MessageType = fastReflection_MsgWithdrawFeePayerFunds_messageType{}
+
+type fastReflection_MsgWithdrawFeePayerFunds_messageType struct{}
+
+func (x fastReflection_MsgWithdrawFeePayerFunds_messageType) Zero() protoreflect.Message {
+	return (*fastReflection_MsgWithdrawFeePayerFunds)(nil)
+}
+func (x fastReflection_MsgWithdrawFeePayerFunds_messageType) New() protoreflect.Message {
+	return new(fastReflection_MsgWithdrawFeePayerFunds)
+}
+func (x fastReflection_MsgWithdrawFeePayerFunds_messageType) Descriptor() protoreflect.MessageDescriptor {
+	return md_MsgWithdrawFeePayerFunds
+}
+
+// Descriptor returns message descriptor, which contains only the protobuf
+// type information for the message.
+func (x *fastReflection_MsgWithdrawFeePayerFunds) Descriptor() protoreflect.MessageDescriptor {
+	return md_MsgWithdrawFeePayerFunds
+}
+
+// Type returns the message type, which encapsulates both Go and protobuf
+// type information. If the Go type information is not needed,
+// it is recommended that the message descriptor be used instead.
+func (x *fastReflection_MsgWithdrawFeePayerFunds) Type() protoreflect.MessageType {
+	return _fastReflection_MsgWithdrawFeePayerFunds_messageType
+}
+
+// New returns a newly allocated and mutable empty message.
+func (x *fastReflection_MsgWithdrawFeePayerFunds) New() protoreflect.Message {
+	return new(fastReflection_MsgWithdrawFeePayerFunds)
+}
+
+// Interface unwraps the message reflection interface and
+// returns the underlying ProtoMessage interface.
+func (x *fastReflection_MsgWithdrawFeePayerFunds) Interface() protoreflect.ProtoMessage {
+	return (*MsgWithdrawFeePayerFunds)(x)
+}
+
+// Range iterates over every populated field in an undefined order,
+// calling f for each field descriptor and value encountered.
+// Range returns immediately if f returns false.
+// While iterating, mutating operations may only be performed
+// on the current field descriptor.
+func (x *fastReflection_MsgWithdrawFeePayerFunds) Range(f func(protoreflect.FieldDescriptor, protoreflect.Value) bool) {
+	if x.TunnelId != uint64(0) {
+		value := protoreflect.ValueOfUint64(x.TunnelId)
+		if !f(fd_MsgWithdrawFeePayerFunds_tunnel_id, value) {
+			return
+		}
+	}
+	if len(x.Amount) != 0 {
+		value := protoreflect.ValueOfList(&_MsgWithdrawFeePayerFunds_2_list{list: &x.Amount})
+		if !f(fd_MsgWithdrawFeePayerFunds_amount, value) {
+			return
+		}
+	}
+	if x.Creator != "" {
+		value := protoreflect.ValueOfString(x.Creator)
+		if !f(fd_MsgWithdrawFeePayerFunds_creator, value) {
+			return
+		}
+	}
+}
+
+// Has reports whether a field is populated.
+//
+// Some fields have the property of nullability where it is possible to
+// distinguish between the default value of a field and whether the field
+// was explicitly populated with the default value. Singular message fields,
+// member fields of a oneof, and proto2 scalar fields are nullable. Such
+// fields are populated only if explicitly set.
+//
+// In other cases (aside from the nullable cases above),
+// a proto3 scalar field is populated if it contains a non-zero value, and
+// a repeated field is populated if it is non-empty.
+func (x *fastReflection_MsgWithdrawFeePayerFunds) Has(fd protoreflect.FieldDescriptor) bool {
+	switch fd.FullName() {
+	case "band.tunnel.v1beta1.MsgWithdrawFeePayerFunds.tunnel_id":
+		return x.TunnelId != uint64(0)
+	case "band.tunnel.v1beta1.MsgWithdrawFeePayerFunds.amount":
+		return len(x.Amount) != 0
+	case "band.tunnel.v1beta1.MsgWithdrawFeePayerFunds.creator":
+		return x.Creator != ""
+	default:
+		if fd.IsExtension() {
+			panic(fmt.Errorf("proto3 declared messages do not support extensions: band.tunnel.v1beta1.MsgWithdrawFeePayerFunds"))
+		}
+		panic(fmt.Errorf("message band.tunnel.v1beta1.MsgWithdrawFeePayerFunds does not contain field %s", fd.FullName()))
+	}
+}
+
+// Clear clears the field such that a subsequent Has call reports false.
+//
+// Clearing an extension field clears both the extension type and value
+// associated with the given field number.
+//
+// Clear is a mutating operation and unsafe for concurrent use.
+func (x *fastReflection_MsgWithdrawFeePayerFunds) Clear(fd protoreflect.FieldDescriptor) {
+	switch fd.FullName() {
+	case "band.tunnel.v1beta1.MsgWithdrawFeePayerFunds.tunnel_id":
+		x.TunnelId = uint64(0)
+	case "band.tunnel.v1beta1.MsgWithdrawFeePayerFunds.amount":
+		x.Amount = nil
+	case "band.tunnel.v1beta1.MsgWithdrawFeePayerFunds.creator":
+		x.Creator = ""
+	default:
+		if fd.IsExtension() {
+			panic(fmt.Errorf("proto3 declared messages do not support extensions: band.tunnel.v1beta1.MsgWithdrawFeePayerFunds"))
+		}
+		panic(fmt.Errorf("message band.tunnel.v1beta1.MsgWithdrawFeePayerFunds does not contain field %s", fd.FullName()))
+	}
+}
+
+// Get retrieves the value for a field.
+//
+// For unpopulated scalars, it returns the default value, where
+// the default value of a bytes scalar is guaranteed to be a copy.
+// For unpopulated composite types, it returns an empty, read-only view
+// of the value; to obtain a mutable reference, use Mutable.
+func (x *fastReflection_MsgWithdrawFeePayerFunds) Get(descriptor protoreflect.FieldDescriptor) protoreflect.Value {
+	switch descriptor.FullName() {
+	case "band.tunnel.v1beta1.MsgWithdrawFeePayerFunds.tunnel_id":
+		value := x.TunnelId
+		return protoreflect.ValueOfUint64(value)
+	case "band.tunnel.v1beta1.MsgWithdrawFeePayerFunds.amount":
+		if len(x.Amount) == 0 {
+			return protoreflect.ValueOfList(&_MsgWithdrawFeePayerFunds_2_list{})
+		}
+		listValue := &_MsgWithdrawFeePayerFunds_2_list{list: &x.Amount}
+		return protoreflect.ValueOfList(listValue)
+	case "band.tunnel.v1beta1.MsgWithdrawFeePayerFunds.creator":
+		value := x.Creator
+		return protoreflect.ValueOfString(value)
+	default:
+		if descriptor.IsExtension() {
+			panic(fmt.Errorf("proto3 declared messages do not support extensions: band.tunnel.v1beta1.MsgWithdrawFeePayerFunds"))
+		}
+		panic(fmt.Errorf("message band.tunnel.v1beta1.MsgWithdrawFeePayerFunds does not contain field %s", descriptor.FullName()))
+	}
+}
+
+// Set stores the value for a field.
+//
+// For a field belonging to a oneof, it implicitly clears any other field
+// that may be currently set within the same oneof.
+// For extension fields, it implicitly stores the provided ExtensionType.
+// When setting a composite type, it is unspecified whether the stored value
+// aliases the source's memory in any way. If the composite value is an
+// empty, read-only value, then it panics.
+//
+// Set is a mutating operation and unsafe for concurrent use.
+func (x *fastReflection_MsgWithdrawFeePayerFunds) Set(fd protoreflect.FieldDescriptor, value protoreflect.Value) {
+	switch fd.FullName() {
+	case "band.tunnel.v1beta1.MsgWithdrawFeePayerFunds.tunnel_id":
+		x.TunnelId = value.Uint()
+	case "band.tunnel.v1beta1.MsgWithdrawFeePayerFunds.amount":
+		lv := value.List()
+		clv := lv.(*_MsgWithdrawFeePayerFunds_2_list)
+		x.Amount = *clv.list
+	case "band.tunnel.v1beta1.MsgWithdrawFeePayerFunds.creator":
+		x.Creator = value.Interface().(string)
+	default:
+		if fd.IsExtension() {
+			panic(fmt.Errorf("proto3 declared messages do not support extensions: band.tunnel.v1beta1.MsgWithdrawFeePayerFunds"))
+		}
+		panic(fmt.Errorf("message band.tunnel.v1beta1.MsgWithdrawFeePayerFunds does not contain field %s", fd.FullName()))
+	}
+}
+
+// Mutable returns a mutable reference to a composite type.
+//
+// If the field is unpopulated, it may allocate a composite value.
+// For a field belonging to a oneof, it implicitly clears any other field
+// that may be currently set within the same oneof.
+// For extension fields, it implicitly stores the provided ExtensionType
+// if not already stored.
+// It panics if the field does not contain a composite type.
+//
+// Mutable is a mutating operation and unsafe for concurrent use.
+func (x *fastReflection_MsgWithdrawFeePayerFunds) Mutable(fd protoreflect.FieldDescriptor) protoreflect.Value {
+	switch fd.FullName() {
+	case "band.tunnel.v1beta1.MsgWithdrawFeePayerFunds.amount":
+		if x.Amount == nil {
+			x.Amount = []*v1beta1.Coin{}
+		}
+		value := &_MsgWithdrawFeePayerFunds_2_list{list: &x.Amount}
+		return protoreflect.ValueOfList(value)
+	case "band.tunnel.v1beta1.MsgWithdrawFeePayerFunds.tunnel_id":
+		panic(fmt.Errorf("field tunnel_id of message band.tunnel.v1beta1.MsgWithdrawFeePayerFunds is not mutable"))
+	case "band.tunnel.v1beta1.MsgWithdrawFeePayerFunds.creator":
+		panic(fmt.Errorf("field creator of message band.tunnel.v1beta1.MsgWithdrawFeePayerFunds is not mutable"))
+	default:
+		if fd.IsExtension() {
+			panic(fmt.Errorf("proto3 declared messages do not support extensions: band.tunnel.v1beta1.MsgWithdrawFeePayerFunds"))
+		}
+		panic(fmt.Errorf("message band.tunnel.v1beta1.MsgWithdrawFeePayerFunds does not contain field %s", fd.FullName()))
+	}
+}
+
+// NewField returns a new value that is assignable to the field
+// for the given descriptor. For scalars, this returns the default value.
+// For lists, maps, and messages, this returns a new, empty, mutable value.
+func (x *fastReflection_MsgWithdrawFeePayerFunds) NewField(fd protoreflect.FieldDescriptor) protoreflect.Value {
+	switch fd.FullName() {
+	case "band.tunnel.v1beta1.MsgWithdrawFeePayerFunds.tunnel_id":
+		return protoreflect.ValueOfUint64(uint64(0))
+	case "band.tunnel.v1beta1.MsgWithdrawFeePayerFunds.amount":
+		list := []*v1beta1.Coin{}
+		return protoreflect.ValueOfList(&_MsgWithdrawFeePayerFunds_2_list{list: &list})
+	case "band.tunnel.v1beta1.MsgWithdrawFeePayerFunds.creator":
+		return protoreflect.ValueOfString("")
+	default:
+		if fd.IsExtension() {
+			panic(fmt.Errorf("proto3 declared messages do not support extensions: band.tunnel.v1beta1.MsgWithdrawFeePayerFunds"))
+		}
+		panic(fmt.Errorf("message band.tunnel.v1beta1.MsgWithdrawFeePayerFunds does not contain field %s", fd.FullName()))
+	}
+}
+
+// WhichOneof reports which field within the oneof is populated,
+// returning nil if none are populated.
+// It panics if the oneof descriptor does not belong to this message.
+func (x *fastReflection_MsgWithdrawFeePayerFunds) WhichOneof(d protoreflect.OneofDescriptor) protoreflect.FieldDescriptor {
+	switch d.FullName() {
+	default:
+		panic(fmt.Errorf("%s is not a oneof field in band.tunnel.v1beta1.MsgWithdrawFeePayerFunds", d.FullName()))
+	}
+	panic("unreachable")
+}
+
+// GetUnknown retrieves the entire list of unknown fields.
+// The caller may only mutate the contents of the RawFields
+// if the mutated bytes are stored back into the message with SetUnknown.
+func (x *fastReflection_MsgWithdrawFeePayerFunds) GetUnknown() protoreflect.RawFields {
+	return x.unknownFields
+}
+
+// SetUnknown stores an entire list of unknown fields.
+// The raw fields must be syntactically valid according to the wire format.
+// An implementation may panic if this is not the case.
+// Once stored, the caller must not mutate the content of the RawFields.
+// An empty RawFields may be passed to clear the fields.
+//
+// SetUnknown is a mutating operation and unsafe for concurrent use.
+func (x *fastReflection_MsgWithdrawFeePayerFunds) SetUnknown(fields protoreflect.RawFields) {
+	x.unknownFields = fields
+}
+
+// IsValid reports whether the message is valid.
+//
+// An invalid message is an empty, read-only value.
+//
+// An invalid message often corresponds to a nil pointer of the concrete
+// message type, but the details are implementation dependent.
+// Validity is not part of the protobuf data model, and may not
+// be preserved in marshaling or other operations.
+func (x *fastReflection_MsgWithdrawFeePayerFunds) IsValid() bool {
+	return x != nil
+}
+
+// ProtoMethods returns optional fastReflectionFeature-path implementations of various operations.
+// This method may return nil.
+//
+// The returned methods type is identical to
+// "google.golang.org/protobuf/runtime/protoiface".Methods.
+// Consult the protoiface package documentation for details.
+func (x *fastReflection_MsgWithdrawFeePayerFunds) ProtoMethods() *protoiface.Methods {
+	size := func(input protoiface.SizeInput) protoiface.SizeOutput {
+		x := input.Message.Interface().(*MsgWithdrawFeePayerFunds)
+		if x == nil {
+			return protoiface.SizeOutput{
+				NoUnkeyedLiterals: input.NoUnkeyedLiterals,
+				Size:              0,
+			}
+		}
+		options := runtime.SizeInputToOptions(input)
+		_ = options
+		var n int
+		var l int
+		_ = l
+		if x.TunnelId != 0 {
+			n += 1 + runtime.Sov(uint64(x.TunnelId))
+		}
+		if len(x.Amount) > 0 {
+			for _, e := range x.Amount {
+				l = options.Size(e)
+				n += 1 + l + runtime.Sov(uint64(l))
+			}
+		}
+		l = len(x.Creator)
+		if l > 0 {
+			n += 1 + l + runtime.Sov(uint64(l))
+		}
+		if x.unknownFields != nil {
+			n += len(x.unknownFields)
+		}
+		return protoiface.SizeOutput{
+			NoUnkeyedLiterals: input.NoUnkeyedLiterals,
+			Size:              n,
+		}
+	}
+
+	marshal := func(input protoiface.MarshalInput) (protoiface.MarshalOutput, error) {
+		x := input.Message.Interface().(*MsgWithdrawFeePayerFunds)
+		if x == nil {
+			return protoiface.MarshalOutput{
+				NoUnkeyedLiterals: input.NoUnkeyedLiterals,
+				Buf:               input.Buf,
+			}, nil
+		}
+		options := runtime.MarshalInputToOptions(input)
+		_ = options
+		size := options.Size(x)
+		dAtA := make([]byte, size)
+		i := len(dAtA)
+		_ = i
+		var l int
+		_ = l
+		if x.unknownFields != nil {
+			i -= len(x.unknownFields)
+			copy(dAtA[i:], x.unknownFields)
+		}
+		if len(x.Creator) > 0 {
+			i -= len(x.Creator)
+			copy(dAtA[i:], x.Creator)
+			i = runtime.EncodeVarint(dAtA, i, uint64(len(x.Creator)))
+			i--
+			dAtA[i] = 0x1a
+		}
+		if len(x.Amount) > 0 {
+			for iNdEx := len(x.Amount) - 1; iNdEx >= 0; iNdEx-- {
+				encoded, err := options.Marshal(x.Amount[iNdEx])
+				if err != nil {
+					return protoiface.MarshalOutput{
+						NoUnkeyedLiterals: input.NoUnkeyedLiterals,
+						Buf:               input.Buf,
+					}, err
+				}
+				i -= len(encoded)
+				copy(dAtA[i:], encoded)
+				i = runtime.EncodeVarint(dAtA, i, uint64(len(encoded)))
+				i--
+				dAtA[i] = 0x12
+			}
+		}
+		if x.TunnelId != 0 {
+			i = runtime.EncodeVarint(dAtA, i, uint64(x.TunnelId))
+			i--
+			dAtA[i] = 0x8
+		}
+		if input.Buf != nil {
+			input.Buf = append(input.Buf, dAtA...)
+		} else {
+			input.Buf = dAtA
+		}
+		return protoiface.MarshalOutput{
+			NoUnkeyedLiterals: input.NoUnkeyedLiterals,
+			Buf:               input.Buf,
+		}, nil
+	}
+	unmarshal := func(input protoiface.UnmarshalInput) (protoiface.UnmarshalOutput, error) {
+		x := input.Message.Interface().(*MsgWithdrawFeePayerFunds)
+		if x == nil {
+			return protoiface.UnmarshalOutput{
+				NoUnkeyedLiterals: input.NoUnkeyedLiterals,
+				Flags:             input.Flags,
+			}, nil
+		}
+		options := runtime.UnmarshalInputToOptions(input)
+		_ = options
+		dAtA := input.Buf
+		l := len(dAtA)
+		iNdEx := 0
+		for iNdEx < l {
+			preIndex := iNdEx
+			var wire uint64
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return protoiface.UnmarshalOutput{NoUnkeyedLiterals: input.NoUnkeyedLiterals, Flags: input.Flags}, runtime.ErrIntOverflow
+				}
+				if iNdEx >= l {
+					return protoiface.UnmarshalOutput{NoUnkeyedLiterals: input.NoUnkeyedLiterals, Flags: input.Flags}, 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 protoiface.UnmarshalOutput{NoUnkeyedLiterals: input.NoUnkeyedLiterals, Flags: input.Flags}, fmt.Errorf("proto: MsgWithdrawFeePayerFunds: wiretype end group for non-group")
+			}
+			if fieldNum <= 0 {
+				return protoiface.UnmarshalOutput{NoUnkeyedLiterals: input.NoUnkeyedLiterals, Flags: input.Flags}, fmt.Errorf("proto: MsgWithdrawFeePayerFunds: illegal tag %d (wire type %d)", fieldNum, wire)
+			}
+			switch fieldNum {
+			case 1:
+				if wireType != 0 {
+					return protoiface.UnmarshalOutput{NoUnkeyedLiterals: input.NoUnkeyedLiterals, Flags: input.Flags}, fmt.Errorf("proto: wrong wireType = %d for field TunnelId", wireType)
+				}
+				x.TunnelId = 0
+				for shift := uint(0); ; shift += 7 {
+					if shift >= 64 {
+						return protoiface.UnmarshalOutput{NoUnkeyedLiterals: input.NoUnkeyedLiterals, Flags: input.Flags}, runtime.ErrIntOverflow
+					}
+					if iNdEx >= l {
+						return protoiface.UnmarshalOutput{NoUnkeyedLiterals: input.NoUnkeyedLiterals, Flags: input.Flags}, io.ErrUnexpectedEOF
+					}
+					b := dAtA[iNdEx]
+					iNdEx++
+					x.TunnelId |= uint64(b&0x7F) << shift
+					if b < 0x80 {
+						break
+					}
+				}
+			case 2:
+				if wireType != 2 {
+					return protoiface.UnmarshalOutput{NoUnkeyedLiterals: input.NoUnkeyedLiterals, Flags: input.Flags}, fmt.Errorf("proto: wrong wireType = %d for field Amount", wireType)
+				}
+				var msglen int
+				for shift := uint(0); ; shift += 7 {
+					if shift >= 64 {
+						return protoiface.UnmarshalOutput{NoUnkeyedLiterals: input.NoUnkeyedLiterals, Flags: input.Flags}, runtime.ErrIntOverflow
+					}
+					if iNdEx >= l {
+						return protoiface.UnmarshalOutput{NoUnkeyedLiterals: input.NoUnkeyedLiterals, Flags: input.Flags}, io.ErrUnexpectedEOF
+					}
+					b := dAtA[iNdEx]
+					iNdEx++
+					msglen |= int(b&0x7F) << shift
+					if b < 0x80 {
+						break
+					}
+				}
+				if msglen < 0 {
+					return protoiface.UnmarshalOutput{NoUnkeyedLiterals: input.NoUnkeyedLiterals, Flags: input.Flags}, runtime.ErrInvalidLength
+				}
+				postIndex := iNdEx + msglen
+				if postIndex < 0 {
+					return protoiface.UnmarshalOutput{NoUnkeyedLiterals: input.NoUnkeyedLiterals, Flags: input.Flags}, runtime.ErrInvalidLength
+				}
+				if postIndex > l {
+					return protoiface.UnmarshalOutput{NoUnkeyedLiterals: input.NoUnkeyedLiterals, Flags: input.Flags}, io.ErrUnexpectedEOF
+				}
+				x.Amount = append(x.Amount, &v1beta1.Coin{})
+				if err := options.Unmarshal(dAtA[iNdEx:postIndex], x.Amount[len(x.Amount)-1]); err != nil {
+					return protoiface.UnmarshalOutput{NoUnkeyedLiterals: input.NoUnkeyedLiterals, Flags: input.Flags}, err
+				}
+				iNdEx = postIndex
+			case 3:
+				if wireType != 2 {
+					return protoiface.UnmarshalOutput{NoUnkeyedLiterals: input.NoUnkeyedLiterals, Flags: input.Flags}, fmt.Errorf("proto: wrong wireType = %d for field Creator", wireType)
+				}
+				var stringLen uint64
+				for shift := uint(0); ; shift += 7 {
+					if shift >= 64 {
+						return protoiface.UnmarshalOutput{NoUnkeyedLiterals: input.NoUnkeyedLiterals, Flags: input.Flags}, runtime.ErrIntOverflow
+					}
+					if iNdEx >= l {
+						return protoiface.UnmarshalOutput{NoUnkeyedLiterals: input.NoUnkeyedLiterals, Flags: input.Flags}, io.ErrUnexpectedEOF
+					}
+					b := dAtA[iNdEx]
+					iNdEx++
+					stringLen |= uint64(b&0x7F) << shift
+					if b < 0x80 {
+						break
+					}
+				}
+				intStringLen := int(stringLen)
+				if intStringLen < 0 {
+					return protoiface.UnmarshalOutput{NoUnkeyedLiterals: input.NoUnkeyedLiterals, Flags: input.Flags}, runtime.ErrInvalidLength
+				}
+				postIndex := iNdEx + intStringLen
+				if postIndex < 0 {
+					return protoiface.UnmarshalOutput{NoUnkeyedLiterals: input.NoUnkeyedLiterals, Flags: input.Flags}, runtime.ErrInvalidLength
+				}
+				if postIndex > l {
+					return protoiface.UnmarshalOutput{NoUnkeyedLiterals: input.NoUnkeyedLiterals, Flags: input.Flags}, io.ErrUnexpectedEOF
+				}
+				x.Creator = string(dAtA[iNdEx:postIndex])
+				iNdEx = postIndex
+			default:
+				iNdEx = preIndex
+				skippy, err := runtime.Skip(dAtA[iNdEx:])
+				if err != nil {
+					return protoiface.UnmarshalOutput{NoUnkeyedLiterals: input.NoUnkeyedLiterals, Flags: input.Flags}, err
+				}
+				if (skippy < 0) || (iNdEx+skippy) < 0 {
+					return protoiface.UnmarshalOutput{NoUnkeyedLiterals: input.NoUnkeyedLiterals, Flags: input.Flags}, runtime.ErrInvalidLength
+				}
+				if (iNdEx + skippy) > l {
+					return protoiface.UnmarshalOutput{NoUnkeyedLiterals: input.NoUnkeyedLiterals, Flags: input.Flags}, io.ErrUnexpectedEOF
+				}
+				if !options.DiscardUnknown {
+					x.unknownFields = append(x.unknownFields, dAtA[iNdEx:iNdEx+skippy]...)
+				}
+				iNdEx += skippy
+			}
+		}
+
+		if iNdEx > l {
+			return protoiface.UnmarshalOutput{NoUnkeyedLiterals: input.NoUnkeyedLiterals, Flags: input.Flags}, io.ErrUnexpectedEOF
+		}
+		return protoiface.UnmarshalOutput{NoUnkeyedLiterals: input.NoUnkeyedLiterals, Flags: input.Flags}, nil
+	}
+	return &protoiface.Methods{
+		NoUnkeyedLiterals: struct{}{},
+		Flags:             protoiface.SupportMarshalDeterministic | protoiface.SupportUnmarshalDiscardUnknown,
+		Size:              size,
+		Marshal:           marshal,
+		Unmarshal:         unmarshal,
+		Merge:             nil,
+		CheckInitialized:  nil,
+	}
+}
+
+var (
+	md_MsgWithdrawFeePayerFundsResponse protoreflect.MessageDescriptor
+)
+
+func init() {
+	file_band_tunnel_v1beta1_tx_proto_init()
+	md_MsgWithdrawFeePayerFundsResponse = File_band_tunnel_v1beta1_tx_proto.Messages().ByName("MsgWithdrawFeePayerFundsResponse")
+}
+
+var _ protoreflect.Message = (*fastReflection_MsgWithdrawFeePayerFundsResponse)(nil)
+
+type fastReflection_MsgWithdrawFeePayerFundsResponse MsgWithdrawFeePayerFundsResponse
+
+func (x *MsgWithdrawFeePayerFundsResponse) ProtoReflect() protoreflect.Message {
+	return (*fastReflection_MsgWithdrawFeePayerFundsResponse)(x)
+}
+
+func (x *MsgWithdrawFeePayerFundsResponse) slowProtoReflect() protoreflect.Message {
+	mi := &file_band_tunnel_v1beta1_tx_proto_msgTypes[7]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+var _fastReflection_MsgWithdrawFeePayerFundsResponse_messageType fastReflection_MsgWithdrawFeePayerFundsResponse_messageType
+var _ protoreflect.MessageType = fastReflection_MsgWithdrawFeePayerFundsResponse_messageType{}
+
+type fastReflection_MsgWithdrawFeePayerFundsResponse_messageType struct{}
+
+func (x fastReflection_MsgWithdrawFeePayerFundsResponse_messageType) Zero() protoreflect.Message {
+	return (*fastReflection_MsgWithdrawFeePayerFundsResponse)(nil)
+}
+func (x fastReflection_MsgWithdrawFeePayerFundsResponse_messageType) New() protoreflect.Message {
+	return new(fastReflection_MsgWithdrawFeePayerFundsResponse)
+}
+func (x fastReflection_MsgWithdrawFeePayerFundsResponse_messageType) Descriptor() protoreflect.MessageDescriptor {
+	return md_MsgWithdrawFeePayerFundsResponse
+}
+
+// Descriptor returns message descriptor, which contains only the protobuf
+// type information for the message.
+func (x *fastReflection_MsgWithdrawFeePayerFundsResponse) Descriptor() protoreflect.MessageDescriptor {
+	return md_MsgWithdrawFeePayerFundsResponse
+}
+
+// Type returns the message type, which encapsulates both Go and protobuf
+// type information. If the Go type information is not needed,
+// it is recommended that the message descriptor be used instead.
+func (x *fastReflection_MsgWithdrawFeePayerFundsResponse) Type() protoreflect.MessageType {
+	return _fastReflection_MsgWithdrawFeePayerFundsResponse_messageType
+}
+
+// New returns a newly allocated and mutable empty message.
+func (x *fastReflection_MsgWithdrawFeePayerFundsResponse) New() protoreflect.Message {
+	return new(fastReflection_MsgWithdrawFeePayerFundsResponse)
+}
+
+// Interface unwraps the message reflection interface and
+// returns the underlying ProtoMessage interface.
+func (x *fastReflection_MsgWithdrawFeePayerFundsResponse) Interface() protoreflect.ProtoMessage {
+	return (*MsgWithdrawFeePayerFundsResponse)(x)
+}
+
+// Range iterates over every populated field in an undefined order,
+// calling f for each field descriptor and value encountered.
+// Range returns immediately if f returns false.
+// While iterating, mutating operations may only be performed
+// on the current field descriptor.
+func (x *fastReflection_MsgWithdrawFeePayerFundsResponse) Range(f func(protoreflect.FieldDescriptor, protoreflect.Value) bool) {
+}
+
+// Has reports whether a field is populated.
+//
+// Some fields have the property of nullability where it is possible to
+// distinguish between the default value of a field and whether the field
+// was explicitly populated with the default value. Singular message fields,
+// member fields of a oneof, and proto2 scalar fields are nullable. Such
+// fields are populated only if explicitly set.
+//
+// In other cases (aside from the nullable cases above),
+// a proto3 scalar field is populated if it contains a non-zero value, and
+// a repeated field is populated if it is non-empty.
+func (x *fastReflection_MsgWithdrawFeePayerFundsResponse) Has(fd protoreflect.FieldDescriptor) bool {
+	switch fd.FullName() {
+	default:
+		if fd.IsExtension() {
+			panic(fmt.Errorf("proto3 declared messages do not support extensions: band.tunnel.v1beta1.MsgWithdrawFeePayerFundsResponse"))
+		}
+		panic(fmt.Errorf("message band.tunnel.v1beta1.MsgWithdrawFeePayerFundsResponse does not contain field %s", fd.FullName()))
+	}
+}
+
+// Clear clears the field such that a subsequent Has call reports false.
+//
+// Clearing an extension field clears both the extension type and value
+// associated with the given field number.
+//
+// Clear is a mutating operation and unsafe for concurrent use.
+func (x *fastReflection_MsgWithdrawFeePayerFundsResponse) Clear(fd protoreflect.FieldDescriptor) {
+	switch fd.FullName() {
+	default:
+		if fd.IsExtension() {
+			panic(fmt.Errorf("proto3 declared messages do not support extensions: band.tunnel.v1beta1.MsgWithdrawFeePayerFundsResponse"))
+		}
+		panic(fmt.Errorf("message band.tunnel.v1beta1.MsgWithdrawFeePayerFundsResponse does not contain field %s", fd.FullName()))
+	}
+}
+
+// Get retrieves the value for a field.
+//
+// For unpopulated scalars, it returns the default value, where
+// the default value of a bytes scalar is guaranteed to be a copy.
+// For unpopulated composite types, it returns an empty, read-only view
+// of the value; to obtain a mutable reference, use Mutable.
+func (x *fastReflection_MsgWithdrawFeePayerFundsResponse) Get(descriptor protoreflect.FieldDescriptor) protoreflect.Value {
+	switch descriptor.FullName() {
+	default:
+		if descriptor.IsExtension() {
+			panic(fmt.Errorf("proto3 declared messages do not support extensions: band.tunnel.v1beta1.MsgWithdrawFeePayerFundsResponse"))
+		}
+		panic(fmt.Errorf("message band.tunnel.v1beta1.MsgWithdrawFeePayerFundsResponse does not contain field %s", descriptor.FullName()))
+	}
+}
+
+// Set stores the value for a field.
+//
+// For a field belonging to a oneof, it implicitly clears any other field
+// that may be currently set within the same oneof.
+// For extension fields, it implicitly stores the provided ExtensionType.
+// When setting a composite type, it is unspecified whether the stored value
+// aliases the source's memory in any way. If the composite value is an
+// empty, read-only value, then it panics.
+//
+// Set is a mutating operation and unsafe for concurrent use.
+func (x *fastReflection_MsgWithdrawFeePayerFundsResponse) Set(fd protoreflect.FieldDescriptor, value protoreflect.Value) {
+	switch fd.FullName() {
+	default:
+		if fd.IsExtension() {
+			panic(fmt.Errorf("proto3 declared messages do not support extensions: band.tunnel.v1beta1.MsgWithdrawFeePayerFundsResponse"))
+		}
+		panic(fmt.Errorf("message band.tunnel.v1beta1.MsgWithdrawFeePayerFundsResponse does not contain field %s", fd.FullName()))
+	}
+}
+
+// Mutable returns a mutable reference to a composite type.
+//
+// If the field is unpopulated, it may allocate a composite value.
+// For a field belonging to a oneof, it implicitly clears any other field
+// that may be currently set within the same oneof.
+// For extension fields, it implicitly stores the provided ExtensionType
+// if not already stored.
+// It panics if the field does not contain a composite type.
+//
+// Mutable is a mutating operation and unsafe for concurrent use.
+func (x *fastReflection_MsgWithdrawFeePayerFundsResponse) Mutable(fd protoreflect.FieldDescriptor) protoreflect.Value {
+	switch fd.FullName() {
+	default:
+		if fd.IsExtension() {
+			panic(fmt.Errorf("proto3 declared messages do not support extensions: band.tunnel.v1beta1.MsgWithdrawFeePayerFundsResponse"))
+		}
+		panic(fmt.Errorf("message band.tunnel.v1beta1.MsgWithdrawFeePayerFundsResponse does not contain field %s", fd.FullName()))
+	}
+}
+
+// NewField returns a new value that is assignable to the field
+// for the given descriptor. For scalars, this returns the default value.
+// For lists, maps, and messages, this returns a new, empty, mutable value.
+func (x *fastReflection_MsgWithdrawFeePayerFundsResponse) NewField(fd protoreflect.FieldDescriptor) protoreflect.Value {
+	switch fd.FullName() {
+	default:
+		if fd.IsExtension() {
+			panic(fmt.Errorf("proto3 declared messages do not support extensions: band.tunnel.v1beta1.MsgWithdrawFeePayerFundsResponse"))
+		}
+		panic(fmt.Errorf("message band.tunnel.v1beta1.MsgWithdrawFeePayerFundsResponse does not contain field %s", fd.FullName()))
+	}
+}
+
+// WhichOneof reports which field within the oneof is populated,
+// returning nil if none are populated.
+// It panics if the oneof descriptor does not belong to this message.
+func (x *fastReflection_MsgWithdrawFeePayerFundsResponse) WhichOneof(d protoreflect.OneofDescriptor) protoreflect.FieldDescriptor {
+	switch d.FullName() {
+	default:
+		panic(fmt.Errorf("%s is not a oneof field in band.tunnel.v1beta1.MsgWithdrawFeePayerFundsResponse", d.FullName()))
+	}
+	panic("unreachable")
+}
+
+// GetUnknown retrieves the entire list of unknown fields.
+// The caller may only mutate the contents of the RawFields
+// if the mutated bytes are stored back into the message with SetUnknown.
+func (x *fastReflection_MsgWithdrawFeePayerFundsResponse) GetUnknown() protoreflect.RawFields {
+	return x.unknownFields
+}
+
+// SetUnknown stores an entire list of unknown fields.
+// The raw fields must be syntactically valid according to the wire format.
+// An implementation may panic if this is not the case.
+// Once stored, the caller must not mutate the content of the RawFields.
+// An empty RawFields may be passed to clear the fields.
+//
+// SetUnknown is a mutating operation and unsafe for concurrent use.
+func (x *fastReflection_MsgWithdrawFeePayerFundsResponse) SetUnknown(fields protoreflect.RawFields) {
+	x.unknownFields = fields
+}
+
+// IsValid reports whether the message is valid.
+//
+// An invalid message is an empty, read-only value.
+//
+// An invalid message often corresponds to a nil pointer of the concrete
+// message type, but the details are implementation dependent.
+// Validity is not part of the protobuf data model, and may not
+// be preserved in marshaling or other operations.
+func (x *fastReflection_MsgWithdrawFeePayerFundsResponse) IsValid() bool {
+	return x != nil
+}
+
+// ProtoMethods returns optional fastReflectionFeature-path implementations of various operations.
+// This method may return nil.
+//
+// The returned methods type is identical to
+// "google.golang.org/protobuf/runtime/protoiface".Methods.
+// Consult the protoiface package documentation for details.
+func (x *fastReflection_MsgWithdrawFeePayerFundsResponse) ProtoMethods() *protoiface.Methods {
+	size := func(input protoiface.SizeInput) protoiface.SizeOutput {
+		x := input.Message.Interface().(*MsgWithdrawFeePayerFundsResponse)
+		if x == nil {
+			return protoiface.SizeOutput{
+				NoUnkeyedLiterals: input.NoUnkeyedLiterals,
+				Size:              0,
+			}
+		}
+		options := runtime.SizeInputToOptions(input)
+		_ = options
+		var n int
+		var l int
+		_ = l
+		if x.unknownFields != nil {
+			n += len(x.unknownFields)
+		}
+		return protoiface.SizeOutput{
+			NoUnkeyedLiterals: input.NoUnkeyedLiterals,
+			Size:              n,
+		}
+	}
+
+	marshal := func(input protoiface.MarshalInput) (protoiface.MarshalOutput, error) {
+		x := input.Message.Interface().(*MsgWithdrawFeePayerFundsResponse)
+		if x == nil {
+			return protoiface.MarshalOutput{
+				NoUnkeyedLiterals: input.NoUnkeyedLiterals,
+				Buf:               input.Buf,
+			}, nil
+		}
+		options := runtime.MarshalInputToOptions(input)
+		_ = options
+		size := options.Size(x)
+		dAtA := make([]byte, size)
+		i := len(dAtA)
+		_ = i
+		var l int
+		_ = l
+		if x.unknownFields != nil {
+			i -= len(x.unknownFields)
+			copy(dAtA[i:], x.unknownFields)
+		}
+		if input.Buf != nil {
+			input.Buf = append(input.Buf, dAtA...)
+		} else {
+			input.Buf = dAtA
+		}
+		return protoiface.MarshalOutput{
+			NoUnkeyedLiterals: input.NoUnkeyedLiterals,
+			Buf:               input.Buf,
+		}, nil
+	}
+	unmarshal := func(input protoiface.UnmarshalInput) (protoiface.UnmarshalOutput, error) {
+		x := input.Message.Interface().(*MsgWithdrawFeePayerFundsResponse)
+		if x == nil {
+			return protoiface.UnmarshalOutput{
+				NoUnkeyedLiterals: input.NoUnkeyedLiterals,
+				Flags:             input.Flags,
+			}, nil
+		}
+		options := runtime.UnmarshalInputToOptions(input)
+		_ = options
+		dAtA := input.Buf
+		l := len(dAtA)
+		iNdEx := 0
+		for iNdEx < l {
+			preIndex := iNdEx
+			var wire uint64
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return protoiface.UnmarshalOutput{NoUnkeyedLiterals: input.NoUnkeyedLiterals, Flags: input.Flags}, runtime.ErrIntOverflow
+				}
+				if iNdEx >= l {
+					return protoiface.UnmarshalOutput{NoUnkeyedLiterals: input.NoUnkeyedLiterals, Flags: input.Flags}, 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 protoiface.UnmarshalOutput{NoUnkeyedLiterals: input.NoUnkeyedLiterals, Flags: input.Flags}, fmt.Errorf("proto: MsgWithdrawFeePayerFundsResponse: wiretype end group for non-group")
+			}
+			if fieldNum <= 0 {
+				return protoiface.UnmarshalOutput{NoUnkeyedLiterals: input.NoUnkeyedLiterals, Flags: input.Flags}, fmt.Errorf("proto: MsgWithdrawFeePayerFundsResponse: illegal tag %d (wire type %d)", fieldNum, wire)
+			}
+			switch fieldNum {
+			default:
+				iNdEx = preIndex
+				skippy, err := runtime.Skip(dAtA[iNdEx:])
+				if err != nil {
+					return protoiface.UnmarshalOutput{NoUnkeyedLiterals: input.NoUnkeyedLiterals, Flags: input.Flags}, err
+				}
+				if (skippy < 0) || (iNdEx+skippy) < 0 {
+					return protoiface.UnmarshalOutput{NoUnkeyedLiterals: input.NoUnkeyedLiterals, Flags: input.Flags}, runtime.ErrInvalidLength
+				}
+				if (iNdEx + skippy) > l {
+					return protoiface.UnmarshalOutput{NoUnkeyedLiterals: input.NoUnkeyedLiterals, Flags: input.Flags}, io.ErrUnexpectedEOF
+				}
+				if !options.DiscardUnknown {
+					x.unknownFields = append(x.unknownFields, dAtA[iNdEx:iNdEx+skippy]...)
+				}
+				iNdEx += skippy
+			}
+		}
+
+		if iNdEx > l {
+			return protoiface.UnmarshalOutput{NoUnkeyedLiterals: input.NoUnkeyedLiterals, Flags: input.Flags}, io.ErrUnexpectedEOF
+		}
+		return protoiface.UnmarshalOutput{NoUnkeyedLiterals: input.NoUnkeyedLiterals, Flags: input.Flags}, nil
+	}
+	return &protoiface.Methods{
+		NoUnkeyedLiterals: struct{}{},
+		Flags:             protoiface.SupportMarshalDeterministic | protoiface.SupportUnmarshalDiscardUnknown,
+		Size:              size,
+		Marshal:           marshal,
+		Unmarshal:         unmarshal,
+		Merge:             nil,
+		CheckInitialized:  nil,
+	}
+}
+
 var (
 	md_MsgActivate           protoreflect.MessageDescriptor
 	fd_MsgActivate_tunnel_id protoreflect.FieldDescriptor
@@ -3180,7 +4142,7 @@ func (x *MsgActivate) ProtoReflect() protoreflect.Message {
 }
 
 func (x *MsgActivate) slowProtoReflect() protoreflect.Message {
-	mi := &file_band_tunnel_v1beta1_tx_proto_msgTypes[6]
+	mi := &file_band_tunnel_v1beta1_tx_proto_msgTypes[8]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -3644,7 +4606,7 @@ func (x *MsgActivateResponse) ProtoReflect() protoreflect.Message {
 }
 
 func (x *MsgActivateResponse) slowProtoReflect() protoreflect.Message {
-	mi := &file_band_tunnel_v1beta1_tx_proto_msgTypes[7]
+	mi := &file_band_tunnel_v1beta1_tx_proto_msgTypes[9]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -4004,7 +4966,7 @@ func (x *MsgDeactivate) ProtoReflect() protoreflect.Message {
 }
 
 func (x *MsgDeactivate) slowProtoReflect() protoreflect.Message {
-	mi := &file_band_tunnel_v1beta1_tx_proto_msgTypes[8]
+	mi := &file_band_tunnel_v1beta1_tx_proto_msgTypes[10]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -4468,7 +5430,7 @@ func (x *MsgDeactivateResponse) ProtoReflect() protoreflect.Message {
 }
 
 func (x *MsgDeactivateResponse) slowProtoReflect() protoreflect.Message {
-	mi := &file_band_tunnel_v1beta1_tx_proto_msgTypes[9]
+	mi := &file_band_tunnel_v1beta1_tx_proto_msgTypes[11]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -4828,7 +5790,7 @@ func (x *MsgTriggerTunnel) ProtoReflect() protoreflect.Message {
 }
 
 func (x *MsgTriggerTunnel) slowProtoReflect() protoreflect.Message {
-	mi := &file_band_tunnel_v1beta1_tx_proto_msgTypes[10]
+	mi := &file_band_tunnel_v1beta1_tx_proto_msgTypes[12]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -5292,7 +6254,7 @@ func (x *MsgTriggerTunnelResponse) ProtoReflect() protoreflect.Message {
 }
 
 func (x *MsgTriggerTunnelResponse) slowProtoReflect() protoreflect.Message {
-	mi := &file_band_tunnel_v1beta1_tx_proto_msgTypes[11]
+	mi := &file_band_tunnel_v1beta1_tx_proto_msgTypes[13]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -5705,7 +6667,7 @@ func (x *MsgDepositToTunnel) ProtoReflect() protoreflect.Message {
 }
 
 func (x *MsgDepositToTunnel) slowProtoReflect() protoreflect.Message {
-	mi := &file_band_tunnel_v1beta1_tx_proto_msgTypes[12]
+	mi := &file_band_tunnel_v1beta1_tx_proto_msgTypes[14]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -6254,7 +7216,7 @@ func (x *MsgDepositToTunnelResponse) ProtoReflect() protoreflect.Message {
 }
 
 func (x *MsgDepositToTunnelResponse) slowProtoReflect() protoreflect.Message {
-	mi := &file_band_tunnel_v1beta1_tx_proto_msgTypes[13]
+	mi := &file_band_tunnel_v1beta1_tx_proto_msgTypes[15]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -6667,7 +7629,7 @@ func (x *MsgWithdrawFromTunnel) ProtoReflect() protoreflect.Message {
 }
 
 func (x *MsgWithdrawFromTunnel) slowProtoReflect() protoreflect.Message {
-	mi := &file_band_tunnel_v1beta1_tx_proto_msgTypes[14]
+	mi := &file_band_tunnel_v1beta1_tx_proto_msgTypes[16]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -7216,7 +8178,7 @@ func (x *MsgWithdrawFromTunnelResponse) ProtoReflect() protoreflect.Message {
 }
 
 func (x *MsgWithdrawFromTunnelResponse) slowProtoReflect() protoreflect.Message {
-	mi := &file_band_tunnel_v1beta1_tx_proto_msgTypes[15]
+	mi := &file_band_tunnel_v1beta1_tx_proto_msgTypes[17]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -7576,7 +8538,7 @@ func (x *MsgUpdateParams) ProtoReflect() protoreflect.Message {
 }
 
 func (x *MsgUpdateParams) slowProtoReflect() protoreflect.Message {
-	mi := &file_band_tunnel_v1beta1_tx_proto_msgTypes[16]
+	mi := &file_band_tunnel_v1beta1_tx_proto_msgTypes[18]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -8071,7 +9033,7 @@ func (x *MsgUpdateParamsResponse) ProtoReflect() protoreflect.Message {
 }
 
 func (x *MsgUpdateParamsResponse) slowProtoReflect() protoreflect.Message {
-	mi := &file_band_tunnel_v1beta1_tx_proto_msgTypes[17]
+	mi := &file_band_tunnel_v1beta1_tx_proto_msgTypes[19]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -8704,6 +9666,88 @@ func (*MsgUpdateSignalsAndIntervalResponse) Descriptor() ([]byte, []int) {
 	return file_band_tunnel_v1beta1_tx_proto_rawDescGZIP(), []int{5}
 }
 
+// MsgWithdrawFeePayerFunds is the transaction message to withdraw fee payer funds to creator.
+type MsgWithdrawFeePayerFunds struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// tunnel_id is the ID of the tunnel to withdraw fee payer coins.
+	TunnelId uint64 `protobuf:"varint,1,opt,name=tunnel_id,json=tunnelId,proto3" json:"tunnel_id,omitempty"`
+	// coins is the coins to withdraw.
+	Amount []*v1beta1.Coin `protobuf:"bytes,2,rep,name=amount,proto3" json:"amount,omitempty"`
+	// creator is the address of the creator.
+	Creator string `protobuf:"bytes,3,opt,name=creator,proto3" json:"creator,omitempty"`
+}
+
+func (x *MsgWithdrawFeePayerFunds) Reset() {
+	*x = MsgWithdrawFeePayerFunds{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_band_tunnel_v1beta1_tx_proto_msgTypes[6]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *MsgWithdrawFeePayerFunds) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*MsgWithdrawFeePayerFunds) ProtoMessage() {}
+
+// Deprecated: Use MsgWithdrawFeePayerFunds.ProtoReflect.Descriptor instead.
+func (*MsgWithdrawFeePayerFunds) Descriptor() ([]byte, []int) {
+	return file_band_tunnel_v1beta1_tx_proto_rawDescGZIP(), []int{6}
+}
+
+func (x *MsgWithdrawFeePayerFunds) GetTunnelId() uint64 {
+	if x != nil {
+		return x.TunnelId
+	}
+	return 0
+}
+
+func (x *MsgWithdrawFeePayerFunds) GetAmount() []*v1beta1.Coin {
+	if x != nil {
+		return x.Amount
+	}
+	return nil
+}
+
+func (x *MsgWithdrawFeePayerFunds) GetCreator() string {
+	if x != nil {
+		return x.Creator
+	}
+	return ""
+}
+
+// MsgWithdrawFeePayerFundsResponse is the response type for the Msg/WithdrawFeePayerFunds RPC method.
+type MsgWithdrawFeePayerFundsResponse struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+}
+
+func (x *MsgWithdrawFeePayerFundsResponse) Reset() {
+	*x = MsgWithdrawFeePayerFundsResponse{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_band_tunnel_v1beta1_tx_proto_msgTypes[7]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *MsgWithdrawFeePayerFundsResponse) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*MsgWithdrawFeePayerFundsResponse) ProtoMessage() {}
+
+// Deprecated: Use MsgWithdrawFeePayerFundsResponse.ProtoReflect.Descriptor instead.
+func (*MsgWithdrawFeePayerFundsResponse) Descriptor() ([]byte, []int) {
+	return file_band_tunnel_v1beta1_tx_proto_rawDescGZIP(), []int{7}
+}
+
 // Activate is the transaction message to activate a tunnel.
 type MsgActivate struct {
 	state         protoimpl.MessageState
@@ -8719,7 +9763,7 @@ type MsgActivate struct {
 func (x *MsgActivate) Reset() {
 	*x = MsgActivate{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_band_tunnel_v1beta1_tx_proto_msgTypes[6]
+		mi := &file_band_tunnel_v1beta1_tx_proto_msgTypes[8]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -8733,7 +9777,7 @@ func (*MsgActivate) ProtoMessage() {}
 
 // Deprecated: Use MsgActivate.ProtoReflect.Descriptor instead.
 func (*MsgActivate) Descriptor() ([]byte, []int) {
-	return file_band_tunnel_v1beta1_tx_proto_rawDescGZIP(), []int{6}
+	return file_band_tunnel_v1beta1_tx_proto_rawDescGZIP(), []int{8}
 }
 
 func (x *MsgActivate) GetTunnelId() uint64 {
@@ -8760,7 +9804,7 @@ type MsgActivateResponse struct {
 func (x *MsgActivateResponse) Reset() {
 	*x = MsgActivateResponse{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_band_tunnel_v1beta1_tx_proto_msgTypes[7]
+		mi := &file_band_tunnel_v1beta1_tx_proto_msgTypes[9]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -8774,7 +9818,7 @@ func (*MsgActivateResponse) ProtoMessage() {}
 
 // Deprecated: Use MsgActivateResponse.ProtoReflect.Descriptor instead.
 func (*MsgActivateResponse) Descriptor() ([]byte, []int) {
-	return file_band_tunnel_v1beta1_tx_proto_rawDescGZIP(), []int{7}
+	return file_band_tunnel_v1beta1_tx_proto_rawDescGZIP(), []int{9}
 }
 
 // MsgDeactivate is the transaction message to deactivate a tunnel.
@@ -8792,7 +9836,7 @@ type MsgDeactivate struct {
 func (x *MsgDeactivate) Reset() {
 	*x = MsgDeactivate{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_band_tunnel_v1beta1_tx_proto_msgTypes[8]
+		mi := &file_band_tunnel_v1beta1_tx_proto_msgTypes[10]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -8806,7 +9850,7 @@ func (*MsgDeactivate) ProtoMessage() {}
 
 // Deprecated: Use MsgDeactivate.ProtoReflect.Descriptor instead.
 func (*MsgDeactivate) Descriptor() ([]byte, []int) {
-	return file_band_tunnel_v1beta1_tx_proto_rawDescGZIP(), []int{8}
+	return file_band_tunnel_v1beta1_tx_proto_rawDescGZIP(), []int{10}
 }
 
 func (x *MsgDeactivate) GetTunnelId() uint64 {
@@ -8833,7 +9877,7 @@ type MsgDeactivateResponse struct {
 func (x *MsgDeactivateResponse) Reset() {
 	*x = MsgDeactivateResponse{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_band_tunnel_v1beta1_tx_proto_msgTypes[9]
+		mi := &file_band_tunnel_v1beta1_tx_proto_msgTypes[11]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -8847,7 +9891,7 @@ func (*MsgDeactivateResponse) ProtoMessage() {}
 
 // Deprecated: Use MsgDeactivateResponse.ProtoReflect.Descriptor instead.
 func (*MsgDeactivateResponse) Descriptor() ([]byte, []int) {
-	return file_band_tunnel_v1beta1_tx_proto_rawDescGZIP(), []int{9}
+	return file_band_tunnel_v1beta1_tx_proto_rawDescGZIP(), []int{11}
 }
 
 // MsgTriggerTunnel is the transaction message to manually trigger a tunnel.
@@ -8865,7 +9909,7 @@ type MsgTriggerTunnel struct {
 func (x *MsgTriggerTunnel) Reset() {
 	*x = MsgTriggerTunnel{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_band_tunnel_v1beta1_tx_proto_msgTypes[10]
+		mi := &file_band_tunnel_v1beta1_tx_proto_msgTypes[12]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -8879,7 +9923,7 @@ func (*MsgTriggerTunnel) ProtoMessage() {}
 
 // Deprecated: Use MsgTriggerTunnel.ProtoReflect.Descriptor instead.
 func (*MsgTriggerTunnel) Descriptor() ([]byte, []int) {
-	return file_band_tunnel_v1beta1_tx_proto_rawDescGZIP(), []int{10}
+	return file_band_tunnel_v1beta1_tx_proto_rawDescGZIP(), []int{12}
 }
 
 func (x *MsgTriggerTunnel) GetTunnelId() uint64 {
@@ -8906,7 +9950,7 @@ type MsgTriggerTunnelResponse struct {
 func (x *MsgTriggerTunnelResponse) Reset() {
 	*x = MsgTriggerTunnelResponse{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_band_tunnel_v1beta1_tx_proto_msgTypes[11]
+		mi := &file_band_tunnel_v1beta1_tx_proto_msgTypes[13]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -8920,7 +9964,7 @@ func (*MsgTriggerTunnelResponse) ProtoMessage() {}
 
 // Deprecated: Use MsgTriggerTunnelResponse.ProtoReflect.Descriptor instead.
 func (*MsgTriggerTunnelResponse) Descriptor() ([]byte, []int) {
-	return file_band_tunnel_v1beta1_tx_proto_rawDescGZIP(), []int{11}
+	return file_band_tunnel_v1beta1_tx_proto_rawDescGZIP(), []int{13}
 }
 
 // MsgDepositToTunnel defines a message to deposit to an existing tunnel.
@@ -8940,7 +9984,7 @@ type MsgDepositToTunnel struct {
 func (x *MsgDepositToTunnel) Reset() {
 	*x = MsgDepositToTunnel{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_band_tunnel_v1beta1_tx_proto_msgTypes[12]
+		mi := &file_band_tunnel_v1beta1_tx_proto_msgTypes[14]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -8954,7 +9998,7 @@ func (*MsgDepositToTunnel) ProtoMessage() {}
 
 // Deprecated: Use MsgDepositToTunnel.ProtoReflect.Descriptor instead.
 func (*MsgDepositToTunnel) Descriptor() ([]byte, []int) {
-	return file_band_tunnel_v1beta1_tx_proto_rawDescGZIP(), []int{12}
+	return file_band_tunnel_v1beta1_tx_proto_rawDescGZIP(), []int{14}
 }
 
 func (x *MsgDepositToTunnel) GetTunnelId() uint64 {
@@ -8988,7 +10032,7 @@ type MsgDepositToTunnelResponse struct {
 func (x *MsgDepositToTunnelResponse) Reset() {
 	*x = MsgDepositToTunnelResponse{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_band_tunnel_v1beta1_tx_proto_msgTypes[13]
+		mi := &file_band_tunnel_v1beta1_tx_proto_msgTypes[15]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -9002,7 +10046,7 @@ func (*MsgDepositToTunnelResponse) ProtoMessage() {}
 
 // Deprecated: Use MsgDepositToTunnelResponse.ProtoReflect.Descriptor instead.
 func (*MsgDepositToTunnelResponse) Descriptor() ([]byte, []int) {
-	return file_band_tunnel_v1beta1_tx_proto_rawDescGZIP(), []int{13}
+	return file_band_tunnel_v1beta1_tx_proto_rawDescGZIP(), []int{15}
 }
 
 // MsgWithdrawFromTunnel is the transaction message to withdraw a deposit from an existing tunnel.
@@ -9022,7 +10066,7 @@ type MsgWithdrawFromTunnel struct {
 func (x *MsgWithdrawFromTunnel) Reset() {
 	*x = MsgWithdrawFromTunnel{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_band_tunnel_v1beta1_tx_proto_msgTypes[14]
+		mi := &file_band_tunnel_v1beta1_tx_proto_msgTypes[16]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -9036,7 +10080,7 @@ func (*MsgWithdrawFromTunnel) ProtoMessage() {}
 
 // Deprecated: Use MsgWithdrawFromTunnel.ProtoReflect.Descriptor instead.
 func (*MsgWithdrawFromTunnel) Descriptor() ([]byte, []int) {
-	return file_band_tunnel_v1beta1_tx_proto_rawDescGZIP(), []int{14}
+	return file_band_tunnel_v1beta1_tx_proto_rawDescGZIP(), []int{16}
 }
 
 func (x *MsgWithdrawFromTunnel) GetTunnelId() uint64 {
@@ -9070,7 +10114,7 @@ type MsgWithdrawFromTunnelResponse struct {
 func (x *MsgWithdrawFromTunnelResponse) Reset() {
 	*x = MsgWithdrawFromTunnelResponse{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_band_tunnel_v1beta1_tx_proto_msgTypes[15]
+		mi := &file_band_tunnel_v1beta1_tx_proto_msgTypes[17]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -9084,7 +10128,7 @@ func (*MsgWithdrawFromTunnelResponse) ProtoMessage() {}
 
 // Deprecated: Use MsgWithdrawFromTunnelResponse.ProtoReflect.Descriptor instead.
 func (*MsgWithdrawFromTunnelResponse) Descriptor() ([]byte, []int) {
-	return file_band_tunnel_v1beta1_tx_proto_rawDescGZIP(), []int{15}
+	return file_band_tunnel_v1beta1_tx_proto_rawDescGZIP(), []int{17}
 }
 
 // MsgUpdateParams is the transaction message to update parameters.
@@ -9102,7 +10146,7 @@ type MsgUpdateParams struct {
 func (x *MsgUpdateParams) Reset() {
 	*x = MsgUpdateParams{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_band_tunnel_v1beta1_tx_proto_msgTypes[16]
+		mi := &file_band_tunnel_v1beta1_tx_proto_msgTypes[18]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -9116,7 +10160,7 @@ func (*MsgUpdateParams) ProtoMessage() {}
 
 // Deprecated: Use MsgUpdateParams.ProtoReflect.Descriptor instead.
 func (*MsgUpdateParams) Descriptor() ([]byte, []int) {
-	return file_band_tunnel_v1beta1_tx_proto_rawDescGZIP(), []int{16}
+	return file_band_tunnel_v1beta1_tx_proto_rawDescGZIP(), []int{18}
 }
 
 func (x *MsgUpdateParams) GetAuthority() string {
@@ -9143,7 +10187,7 @@ type MsgUpdateParamsResponse struct {
 func (x *MsgUpdateParamsResponse) Reset() {
 	*x = MsgUpdateParamsResponse{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_band_tunnel_v1beta1_tx_proto_msgTypes[17]
+		mi := &file_band_tunnel_v1beta1_tx_proto_msgTypes[19]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -9157,7 +10201,7 @@ func (*MsgUpdateParamsResponse) ProtoMessage() {}
 
 // Deprecated: Use MsgUpdateParamsResponse.ProtoReflect.Descriptor instead.
 func (*MsgUpdateParamsResponse) Descriptor() ([]byte, []int) {
-	return file_band_tunnel_v1beta1_tx_proto_rawDescGZIP(), []int{17}
+	return file_band_tunnel_v1beta1_tx_proto_rawDescGZIP(), []int{19}
 }
 
 var File_band_tunnel_v1beta1_tx_proto protoreflect.FileDescriptor
@@ -9245,42 +10289,9 @@ var file_band_tunnel_v1beta1_tx_proto_rawDesc = []byte{
 	0x65, 0x53, 0x69, 0x67, 0x6e, 0x61, 0x6c, 0x73, 0x41, 0x6e, 0x64, 0x49, 0x6e, 0x74, 0x65, 0x72,
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 }
 
 var (
@@ -9419,7 +10491,7 @@ func file_band_tunnel_v1beta1_tx_proto_rawDescGZIP() []byte {
 	return file_band_tunnel_v1beta1_tx_proto_rawDescData
 }
 
-var file_band_tunnel_v1beta1_tx_proto_msgTypes = make([]protoimpl.MessageInfo, 18)
+var file_band_tunnel_v1beta1_tx_proto_msgTypes = make([]protoimpl.MessageInfo, 20)
 var file_band_tunnel_v1beta1_tx_proto_goTypes = []interface{}{
 	(*MsgCreateTunnel)(nil),                     // 0: band.tunnel.v1beta1.MsgCreateTunnel
 	(*MsgCreateTunnelResponse)(nil),             // 1: band.tunnel.v1beta1.MsgCreateTunnelResponse
@@ -9427,55 +10499,60 @@ var file_band_tunnel_v1beta1_tx_proto_goTypes = []interface{}{
 	(*MsgUpdateRouteResponse)(nil),              // 3: band.tunnel.v1beta1.MsgUpdateRouteResponse
 	(*MsgUpdateSignalsAndInterval)(nil),         // 4: band.tunnel.v1beta1.MsgUpdateSignalsAndInterval
 	(*MsgUpdateSignalsAndIntervalResponse)(nil), // 5: band.tunnel.v1beta1.MsgUpdateSignalsAndIntervalResponse
-	(*MsgActivate)(nil),                         // 6: band.tunnel.v1beta1.MsgActivate
-	(*MsgActivateResponse)(nil),                 // 7: band.tunnel.v1beta1.MsgActivateResponse
-	(*MsgDeactivate)(nil),                       // 8: band.tunnel.v1beta1.MsgDeactivate
-	(*MsgDeactivateResponse)(nil),               // 9: band.tunnel.v1beta1.MsgDeactivateResponse
-	(*MsgTriggerTunnel)(nil),                    // 10: band.tunnel.v1beta1.MsgTriggerTunnel
-	(*MsgTriggerTunnelResponse)(nil),            // 11: band.tunnel.v1beta1.MsgTriggerTunnelResponse
-	(*MsgDepositToTunnel)(nil),                  // 12: band.tunnel.v1beta1.MsgDepositToTunnel
-	(*MsgDepositToTunnelResponse)(nil),          // 13: band.tunnel.v1beta1.MsgDepositToTunnelResponse
-	(*MsgWithdrawFromTunnel)(nil),               // 14: band.tunnel.v1beta1.MsgWithdrawFromTunnel
-	(*MsgWithdrawFromTunnelResponse)(nil),       // 15: band.tunnel.v1beta1.MsgWithdrawFromTunnelResponse
-	(*MsgUpdateParams)(nil),                     // 16: band.tunnel.v1beta1.MsgUpdateParams
-	(*MsgUpdateParamsResponse)(nil),             // 17: band.tunnel.v1beta1.MsgUpdateParamsResponse
-	(*SignalDeviation)(nil),                     // 18: band.tunnel.v1beta1.SignalDeviation
-	(*anypb.Any)(nil),                           // 19: google.protobuf.Any
-	(*v1beta1.Coin)(nil),                        // 20: cosmos.base.v1beta1.Coin
-	(*Params)(nil),                              // 21: band.tunnel.v1beta1.Params
+	(*MsgWithdrawFeePayerFunds)(nil),            // 6: band.tunnel.v1beta1.MsgWithdrawFeePayerFunds
+	(*MsgWithdrawFeePayerFundsResponse)(nil),    // 7: band.tunnel.v1beta1.MsgWithdrawFeePayerFundsResponse
+	(*MsgActivate)(nil),                         // 8: band.tunnel.v1beta1.MsgActivate
+	(*MsgActivateResponse)(nil),                 // 9: band.tunnel.v1beta1.MsgActivateResponse
+	(*MsgDeactivate)(nil),                       // 10: band.tunnel.v1beta1.MsgDeactivate
+	(*MsgDeactivateResponse)(nil),               // 11: band.tunnel.v1beta1.MsgDeactivateResponse
+	(*MsgTriggerTunnel)(nil),                    // 12: band.tunnel.v1beta1.MsgTriggerTunnel
+	(*MsgTriggerTunnelResponse)(nil),            // 13: band.tunnel.v1beta1.MsgTriggerTunnelResponse
+	(*MsgDepositToTunnel)(nil),                  // 14: band.tunnel.v1beta1.MsgDepositToTunnel
+	(*MsgDepositToTunnelResponse)(nil),          // 15: band.tunnel.v1beta1.MsgDepositToTunnelResponse
+	(*MsgWithdrawFromTunnel)(nil),               // 16: band.tunnel.v1beta1.MsgWithdrawFromTunnel
+	(*MsgWithdrawFromTunnelResponse)(nil),       // 17: band.tunnel.v1beta1.MsgWithdrawFromTunnelResponse
+	(*MsgUpdateParams)(nil),                     // 18: band.tunnel.v1beta1.MsgUpdateParams
+	(*MsgUpdateParamsResponse)(nil),             // 19: band.tunnel.v1beta1.MsgUpdateParamsResponse
+	(*SignalDeviation)(nil),                     // 20: band.tunnel.v1beta1.SignalDeviation
+	(*anypb.Any)(nil),                           // 21: google.protobuf.Any
+	(*v1beta1.Coin)(nil),                        // 22: cosmos.base.v1beta1.Coin
+	(*Params)(nil),                              // 23: band.tunnel.v1beta1.Params
 }
 var file_band_tunnel_v1beta1_tx_proto_depIdxs = []int32{
-	18, // 0: band.tunnel.v1beta1.MsgCreateTunnel.signal_deviations:type_name -> band.tunnel.v1beta1.SignalDeviation
-	19, // 1: band.tunnel.v1beta1.MsgCreateTunnel.route:type_name -> google.protobuf.Any
-	20, // 2: band.tunnel.v1beta1.MsgCreateTunnel.initial_deposit:type_name -> cosmos.base.v1beta1.Coin
-	19, // 3: band.tunnel.v1beta1.MsgUpdateRoute.route:type_name -> google.protobuf.Any
-	18, // 4: band.tunnel.v1beta1.MsgUpdateSignalsAndInterval.signal_deviations:type_name -> band.tunnel.v1beta1.SignalDeviation
-	20, // 5: band.tunnel.v1beta1.MsgDepositToTunnel.amount:type_name -> cosmos.base.v1beta1.Coin
-	20, // 6: band.tunnel.v1beta1.MsgWithdrawFromTunnel.amount:type_name -> cosmos.base.v1beta1.Coin
-	21, // 7: band.tunnel.v1beta1.MsgUpdateParams.params:type_name -> band.tunnel.v1beta1.Params
-	0,  // 8: band.tunnel.v1beta1.Msg.CreateTunnel:input_type -> band.tunnel.v1beta1.MsgCreateTunnel
-	2,  // 9: band.tunnel.v1beta1.Msg.UpdateRoute:input_type -> band.tunnel.v1beta1.MsgUpdateRoute
-	4,  // 10: band.tunnel.v1beta1.Msg.UpdateSignalsAndInterval:input_type -> band.tunnel.v1beta1.MsgUpdateSignalsAndInterval
-	6,  // 11: band.tunnel.v1beta1.Msg.Activate:input_type -> band.tunnel.v1beta1.MsgActivate
-	8,  // 12: band.tunnel.v1beta1.Msg.Deactivate:input_type -> band.tunnel.v1beta1.MsgDeactivate
-	10, // 13: band.tunnel.v1beta1.Msg.TriggerTunnel:input_type -> band.tunnel.v1beta1.MsgTriggerTunnel
-	12, // 14: band.tunnel.v1beta1.Msg.DepositToTunnel:input_type -> band.tunnel.v1beta1.MsgDepositToTunnel
-	14, // 15: band.tunnel.v1beta1.Msg.WithdrawFromTunnel:input_type -> band.tunnel.v1beta1.MsgWithdrawFromTunnel
-	16, // 16: band.tunnel.v1beta1.Msg.UpdateParams:input_type -> band.tunnel.v1beta1.MsgUpdateParams
-	1,  // 17: band.tunnel.v1beta1.Msg.CreateTunnel:output_type -> band.tunnel.v1beta1.MsgCreateTunnelResponse
-	3,  // 18: band.tunnel.v1beta1.Msg.UpdateRoute:output_type -> band.tunnel.v1beta1.MsgUpdateRouteResponse
-	5,  // 19: band.tunnel.v1beta1.Msg.UpdateSignalsAndInterval:output_type -> band.tunnel.v1beta1.MsgUpdateSignalsAndIntervalResponse
-	7,  // 20: band.tunnel.v1beta1.Msg.Activate:output_type -> band.tunnel.v1beta1.MsgActivateResponse
-	9,  // 21: band.tunnel.v1beta1.Msg.Deactivate:output_type -> band.tunnel.v1beta1.MsgDeactivateResponse
-	11, // 22: band.tunnel.v1beta1.Msg.TriggerTunnel:output_type -> band.tunnel.v1beta1.MsgTriggerTunnelResponse
-	13, // 23: band.tunnel.v1beta1.Msg.DepositToTunnel:output_type -> band.tunnel.v1beta1.MsgDepositToTunnelResponse
-	15, // 24: band.tunnel.v1beta1.Msg.WithdrawFromTunnel:output_type -> band.tunnel.v1beta1.MsgWithdrawFromTunnelResponse
-	17, // 25: band.tunnel.v1beta1.Msg.UpdateParams:output_type -> band.tunnel.v1beta1.MsgUpdateParamsResponse
-	17, // [17:26] is the sub-list for method output_type
-	8,  // [8:17] is the sub-list for method input_type
-	8,  // [8:8] is the sub-list for extension type_name
-	8,  // [8:8] is the sub-list for extension extendee
-	0,  // [0:8] is the sub-list for field type_name
+	20, // 0: band.tunnel.v1beta1.MsgCreateTunnel.signal_deviations:type_name -> band.tunnel.v1beta1.SignalDeviation
+	21, // 1: band.tunnel.v1beta1.MsgCreateTunnel.route:type_name -> google.protobuf.Any
+	22, // 2: band.tunnel.v1beta1.MsgCreateTunnel.initial_deposit:type_name -> cosmos.base.v1beta1.Coin
+	21, // 3: band.tunnel.v1beta1.MsgUpdateRoute.route:type_name -> google.protobuf.Any
+	20, // 4: band.tunnel.v1beta1.MsgUpdateSignalsAndInterval.signal_deviations:type_name -> band.tunnel.v1beta1.SignalDeviation
+	22, // 5: band.tunnel.v1beta1.MsgWithdrawFeePayerFunds.amount:type_name -> cosmos.base.v1beta1.Coin
+	22, // 6: band.tunnel.v1beta1.MsgDepositToTunnel.amount:type_name -> cosmos.base.v1beta1.Coin
+	22, // 7: band.tunnel.v1beta1.MsgWithdrawFromTunnel.amount:type_name -> cosmos.base.v1beta1.Coin
+	23, // 8: band.tunnel.v1beta1.MsgUpdateParams.params:type_name -> band.tunnel.v1beta1.Params
+	0,  // 9: band.tunnel.v1beta1.Msg.CreateTunnel:input_type -> band.tunnel.v1beta1.MsgCreateTunnel
+	2,  // 10: band.tunnel.v1beta1.Msg.UpdateRoute:input_type -> band.tunnel.v1beta1.MsgUpdateRoute
+	4,  // 11: band.tunnel.v1beta1.Msg.UpdateSignalsAndInterval:input_type -> band.tunnel.v1beta1.MsgUpdateSignalsAndInterval
+	6,  // 12: band.tunnel.v1beta1.Msg.WithdrawFeePayerFunds:input_type -> band.tunnel.v1beta1.MsgWithdrawFeePayerFunds
+	8,  // 13: band.tunnel.v1beta1.Msg.Activate:input_type -> band.tunnel.v1beta1.MsgActivate
+	10, // 14: band.tunnel.v1beta1.Msg.Deactivate:input_type -> band.tunnel.v1beta1.MsgDeactivate
+	12, // 15: band.tunnel.v1beta1.Msg.TriggerTunnel:input_type -> band.tunnel.v1beta1.MsgTriggerTunnel
+	14, // 16: band.tunnel.v1beta1.Msg.DepositToTunnel:input_type -> band.tunnel.v1beta1.MsgDepositToTunnel
+	16, // 17: band.tunnel.v1beta1.Msg.WithdrawFromTunnel:input_type -> band.tunnel.v1beta1.MsgWithdrawFromTunnel
+	18, // 18: band.tunnel.v1beta1.Msg.UpdateParams:input_type -> band.tunnel.v1beta1.MsgUpdateParams
+	1,  // 19: band.tunnel.v1beta1.Msg.CreateTunnel:output_type -> band.tunnel.v1beta1.MsgCreateTunnelResponse
+	3,  // 20: band.tunnel.v1beta1.Msg.UpdateRoute:output_type -> band.tunnel.v1beta1.MsgUpdateRouteResponse
+	5,  // 21: band.tunnel.v1beta1.Msg.UpdateSignalsAndInterval:output_type -> band.tunnel.v1beta1.MsgUpdateSignalsAndIntervalResponse
+	7,  // 22: band.tunnel.v1beta1.Msg.WithdrawFeePayerFunds:output_type -> band.tunnel.v1beta1.MsgWithdrawFeePayerFundsResponse
+	9,  // 23: band.tunnel.v1beta1.Msg.Activate:output_type -> band.tunnel.v1beta1.MsgActivateResponse
+	11, // 24: band.tunnel.v1beta1.Msg.Deactivate:output_type -> band.tunnel.v1beta1.MsgDeactivateResponse
+	13, // 25: band.tunnel.v1beta1.Msg.TriggerTunnel:output_type -> band.tunnel.v1beta1.MsgTriggerTunnelResponse
+	15, // 26: band.tunnel.v1beta1.Msg.DepositToTunnel:output_type -> band.tunnel.v1beta1.MsgDepositToTunnelResponse
+	17, // 27: band.tunnel.v1beta1.Msg.WithdrawFromTunnel:output_type -> band.tunnel.v1beta1.MsgWithdrawFromTunnelResponse
+	19, // 28: band.tunnel.v1beta1.Msg.UpdateParams:output_type -> band.tunnel.v1beta1.MsgUpdateParamsResponse
+	19, // [19:29] is the sub-list for method output_type
+	9,  // [9:19] is the sub-list for method input_type
+	9,  // [9:9] is the sub-list for extension type_name
+	9,  // [9:9] is the sub-list for extension extendee
+	0,  // [0:9] is the sub-list for field type_name
 }
 
 func init() { file_band_tunnel_v1beta1_tx_proto_init() }
@@ -9559,7 +10636,7 @@ func file_band_tunnel_v1beta1_tx_proto_init() {
 			}
 		}
 		file_band_tunnel_v1beta1_tx_proto_msgTypes[6].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*MsgActivate); i {
+			switch v := v.(*MsgWithdrawFeePayerFunds); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -9571,7 +10648,7 @@ func file_band_tunnel_v1beta1_tx_proto_init() {
 			}
 		}
 		file_band_tunnel_v1beta1_tx_proto_msgTypes[7].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*MsgActivateResponse); i {
+			switch v := v.(*MsgWithdrawFeePayerFundsResponse); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -9583,7 +10660,7 @@ func file_band_tunnel_v1beta1_tx_proto_init() {
 			}
 		}
 		file_band_tunnel_v1beta1_tx_proto_msgTypes[8].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*MsgDeactivate); i {
+			switch v := v.(*MsgActivate); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -9595,7 +10672,7 @@ func file_band_tunnel_v1beta1_tx_proto_init() {
 			}
 		}
 		file_band_tunnel_v1beta1_tx_proto_msgTypes[9].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*MsgDeactivateResponse); i {
+			switch v := v.(*MsgActivateResponse); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -9607,7 +10684,7 @@ func file_band_tunnel_v1beta1_tx_proto_init() {
 			}
 		}
 		file_band_tunnel_v1beta1_tx_proto_msgTypes[10].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*MsgTriggerTunnel); i {
+			switch v := v.(*MsgDeactivate); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -9619,7 +10696,7 @@ func file_band_tunnel_v1beta1_tx_proto_init() {
 			}
 		}
 		file_band_tunnel_v1beta1_tx_proto_msgTypes[11].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*MsgTriggerTunnelResponse); i {
+			switch v := v.(*MsgDeactivateResponse); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -9631,7 +10708,7 @@ func file_band_tunnel_v1beta1_tx_proto_init() {
 			}
 		}
 		file_band_tunnel_v1beta1_tx_proto_msgTypes[12].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*MsgDepositToTunnel); i {
+			switch v := v.(*MsgTriggerTunnel); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -9643,7 +10720,7 @@ func file_band_tunnel_v1beta1_tx_proto_init() {
 			}
 		}
 		file_band_tunnel_v1beta1_tx_proto_msgTypes[13].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*MsgDepositToTunnelResponse); i {
+			switch v := v.(*MsgTriggerTunnelResponse); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -9655,7 +10732,7 @@ func file_band_tunnel_v1beta1_tx_proto_init() {
 			}
 		}
 		file_band_tunnel_v1beta1_tx_proto_msgTypes[14].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*MsgWithdrawFromTunnel); i {
+			switch v := v.(*MsgDepositToTunnel); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -9667,7 +10744,7 @@ func file_band_tunnel_v1beta1_tx_proto_init() {
 			}
 		}
 		file_band_tunnel_v1beta1_tx_proto_msgTypes[15].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*MsgWithdrawFromTunnelResponse); i {
+			switch v := v.(*MsgDepositToTunnelResponse); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -9679,7 +10756,7 @@ func file_band_tunnel_v1beta1_tx_proto_init() {
 			}
 		}
 		file_band_tunnel_v1beta1_tx_proto_msgTypes[16].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*MsgUpdateParams); i {
+			switch v := v.(*MsgWithdrawFromTunnel); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -9691,6 +10768,30 @@ func file_band_tunnel_v1beta1_tx_proto_init() {
 			}
 		}
 		file_band_tunnel_v1beta1_tx_proto_msgTypes[17].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*MsgWithdrawFromTunnelResponse); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_band_tunnel_v1beta1_tx_proto_msgTypes[18].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*MsgUpdateParams); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_band_tunnel_v1beta1_tx_proto_msgTypes[19].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*MsgUpdateParamsResponse); i {
 			case 0:
 				return &v.state
@@ -9709,7 +10810,7 @@ func file_band_tunnel_v1beta1_tx_proto_init() {
 			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
 			RawDescriptor: file_band_tunnel_v1beta1_tx_proto_rawDesc,
 			NumEnums:      0,
-			NumMessages:   18,
+			NumMessages:   20,
 			NumExtensions: 0,
 			NumServices:   1,
 		},
diff --git a/api/band/tunnel/v1beta1/tx_grpc.pb.go b/api/band/tunnel/v1beta1/tx_grpc.pb.go
index c7fe80dca..57342c9e8 100644
--- a/api/band/tunnel/v1beta1/tx_grpc.pb.go
+++ b/api/band/tunnel/v1beta1/tx_grpc.pb.go
@@ -22,6 +22,7 @@ const (
 	Msg_CreateTunnel_FullMethodName             = "/band.tunnel.v1beta1.Msg/CreateTunnel"
 	Msg_UpdateRoute_FullMethodName              = "/band.tunnel.v1beta1.Msg/UpdateRoute"
 	Msg_UpdateSignalsAndInterval_FullMethodName = "/band.tunnel.v1beta1.Msg/UpdateSignalsAndInterval"
+	Msg_WithdrawFeePayerFunds_FullMethodName    = "/band.tunnel.v1beta1.Msg/WithdrawFeePayerFunds"
 	Msg_Activate_FullMethodName                 = "/band.tunnel.v1beta1.Msg/Activate"
 	Msg_Deactivate_FullMethodName               = "/band.tunnel.v1beta1.Msg/Deactivate"
 	Msg_TriggerTunnel_FullMethodName            = "/band.tunnel.v1beta1.Msg/TriggerTunnel"
@@ -40,6 +41,8 @@ type MsgClient interface {
 	UpdateRoute(ctx context.Context, in *MsgUpdateRoute, opts ...grpc.CallOption) (*MsgUpdateRouteResponse, error)
 	// UpdateSignalsAndInterval is a RPC method to update a signals and interval of the tunnel.
 	UpdateSignalsAndInterval(ctx context.Context, in *MsgUpdateSignalsAndInterval, opts ...grpc.CallOption) (*MsgUpdateSignalsAndIntervalResponse, error)
+	// WithdrawFeePayerFunds is a RPC method to withdraw fee payer funds to creator.
+	WithdrawFeePayerFunds(ctx context.Context, in *MsgWithdrawFeePayerFunds, opts ...grpc.CallOption) (*MsgWithdrawFeePayerFundsResponse, error)
 	// Activate is a RPC method to activate a tunnel.
 	Activate(ctx context.Context, in *MsgActivate, opts ...grpc.CallOption) (*MsgActivateResponse, error)
 	// Deactivate is a RPC method to deactivate a tunnel.
@@ -89,6 +92,15 @@ func (c *msgClient) UpdateSignalsAndInterval(ctx context.Context, in *MsgUpdateS
 	return out, nil
 }
 
+func (c *msgClient) WithdrawFeePayerFunds(ctx context.Context, in *MsgWithdrawFeePayerFunds, opts ...grpc.CallOption) (*MsgWithdrawFeePayerFundsResponse, error) {
+	out := new(MsgWithdrawFeePayerFundsResponse)
+	err := c.cc.Invoke(ctx, Msg_WithdrawFeePayerFunds_FullMethodName, in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
 func (c *msgClient) Activate(ctx context.Context, in *MsgActivate, opts ...grpc.CallOption) (*MsgActivateResponse, error) {
 	out := new(MsgActivateResponse)
 	err := c.cc.Invoke(ctx, Msg_Activate_FullMethodName, in, out, opts...)
@@ -153,6 +165,8 @@ type MsgServer interface {
 	UpdateRoute(context.Context, *MsgUpdateRoute) (*MsgUpdateRouteResponse, error)
 	// UpdateSignalsAndInterval is a RPC method to update a signals and interval of the tunnel.
 	UpdateSignalsAndInterval(context.Context, *MsgUpdateSignalsAndInterval) (*MsgUpdateSignalsAndIntervalResponse, error)
+	// WithdrawFeePayerFunds is a RPC method to withdraw fee payer funds to creator.
+	WithdrawFeePayerFunds(context.Context, *MsgWithdrawFeePayerFunds) (*MsgWithdrawFeePayerFundsResponse, error)
 	// Activate is a RPC method to activate a tunnel.
 	Activate(context.Context, *MsgActivate) (*MsgActivateResponse, error)
 	// Deactivate is a RPC method to deactivate a tunnel.
@@ -181,6 +195,9 @@ func (UnimplementedMsgServer) UpdateRoute(context.Context, *MsgUpdateRoute) (*Ms
 func (UnimplementedMsgServer) UpdateSignalsAndInterval(context.Context, *MsgUpdateSignalsAndInterval) (*MsgUpdateSignalsAndIntervalResponse, error) {
 	return nil, status.Errorf(codes.Unimplemented, "method UpdateSignalsAndInterval not implemented")
 }
+func (UnimplementedMsgServer) WithdrawFeePayerFunds(context.Context, *MsgWithdrawFeePayerFunds) (*MsgWithdrawFeePayerFundsResponse, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method WithdrawFeePayerFunds not implemented")
+}
 func (UnimplementedMsgServer) Activate(context.Context, *MsgActivate) (*MsgActivateResponse, error) {
 	return nil, status.Errorf(codes.Unimplemented, "method Activate not implemented")
 }
@@ -266,6 +283,24 @@ func _Msg_UpdateSignalsAndInterval_Handler(srv interface{}, ctx context.Context,
 	return interceptor(ctx, in, info, handler)
 }
 
+func _Msg_WithdrawFeePayerFunds_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(MsgWithdrawFeePayerFunds)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(MsgServer).WithdrawFeePayerFunds(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: Msg_WithdrawFeePayerFunds_FullMethodName,
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(MsgServer).WithdrawFeePayerFunds(ctx, req.(*MsgWithdrawFeePayerFunds))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
 func _Msg_Activate_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
 	in := new(MsgActivate)
 	if err := dec(in); err != nil {
@@ -393,6 +428,10 @@ var Msg_ServiceDesc = grpc.ServiceDesc{
 			MethodName: "UpdateSignalsAndInterval",
 			Handler:    _Msg_UpdateSignalsAndInterval_Handler,
 		},
+		{
+			MethodName: "WithdrawFeePayerFunds",
+			Handler:    _Msg_WithdrawFeePayerFunds_Handler,
+		},
 		{
 			MethodName: "Activate",
 			Handler:    _Msg_Activate_Handler,
diff --git a/proto/band/tunnel/v1beta1/tx.proto b/proto/band/tunnel/v1beta1/tx.proto
index 0987bf27e..696215bcc 100644
--- a/proto/band/tunnel/v1beta1/tx.proto
+++ b/proto/band/tunnel/v1beta1/tx.proto
@@ -26,6 +26,9 @@ service Msg {
   // UpdateSignalsAndInterval is a RPC method to update a signals and interval of the tunnel.
   rpc UpdateSignalsAndInterval(MsgUpdateSignalsAndInterval) returns (MsgUpdateSignalsAndIntervalResponse);
 
+  // WithdrawFeePayerFunds is a RPC method to withdraw fee payer funds to creator.
+  rpc WithdrawFeePayerFunds(MsgWithdrawFeePayerFunds) returns (MsgWithdrawFeePayerFundsResponse);
+
   // Activate is a RPC method to activate a tunnel.
   rpc Activate(MsgActivate) returns (MsgActivateResponse);
 
@@ -105,6 +108,26 @@ message MsgUpdateSignalsAndInterval {
 // MsgUpdateSignalsAndIntervalResponse is the response type for the Msg/UpdateSignalsAndInterval RPC method.
 message MsgUpdateSignalsAndIntervalResponse {}
 
+// MsgWithdrawFeePayerFunds is the transaction message to withdraw fee payer funds to creator.
+message MsgWithdrawFeePayerFunds {
+  option (cosmos.msg.v1.signer) = "fee_payer";
+  option (amino.name)           = "tunnel/MsgWithdrawFeePayerCoins";
+
+  // tunnel_id is the ID of the tunnel to withdraw fee payer coins.
+  uint64 tunnel_id = 1 [(gogoproto.customname) = "TunnelID"];
+  // coins is the coins to withdraw.
+  repeated cosmos.base.v1beta1.Coin amount = 2 [
+    (gogoproto.nullable)     = false,
+    (gogoproto.castrepeated) = "github.com/cosmos/cosmos-sdk/types.Coins",
+    (amino.dont_omitempty)   = true
+  ];
+  // creator is the address of the creator.
+  string creator = 3 [(cosmos_proto.scalar) = "cosmos.AddressString"];
+}
+
+// MsgWithdrawFeePayerFundsResponse is the response type for the Msg/WithdrawFeePayerFunds RPC method.
+message MsgWithdrawFeePayerFundsResponse {}
+
 // Activate is the transaction message to activate a tunnel.
 message MsgActivate {
   option (cosmos.msg.v1.signer) = "creator";
diff --git a/x/tunnel/client/cli/tx.go b/x/tunnel/client/cli/tx.go
index 54f5b1720..920a45799 100644
--- a/x/tunnel/client/cli/tx.go
+++ b/x/tunnel/client/cli/tx.go
@@ -28,6 +28,7 @@ func GetTxCmd() *cobra.Command {
 		GetTxCmdCreateTunnel(),
 		GetTxCmdUpdateRoute(),
 		GetTxCmdUpdateSignalsAndInterval(),
+		GetTxCmdWithdrawFeePayerFunds(),
 		GetTxCmdActivate(),
 		GetTxCmdDeactivate(),
 		GetTxCmdTriggerTunnel(),
@@ -246,6 +247,37 @@ func GetTxCmdUpdateSignalsAndInterval() *cobra.Command {
 	return cmd
 }
 
+func GetTxCmdWithdrawFeePayerFunds() *cobra.Command {
+	cmd := &cobra.Command{
+		Use:   "withdraw-fee-payer-funds [tunnel-id] [amount]",
+		Short: "Withdraw fee payer funds from a tunnel to the creator",
+		Args:  cobra.ExactArgs(2),
+		RunE: func(cmd *cobra.Command, args []string) error {
+			clientCtx, err := client.GetClientTxContext(cmd)
+			if err != nil {
+				return err
+			}
+
+			id, err := strconv.ParseUint(args[0], 10, 64)
+			if err != nil {
+				return err
+			}
+
+			amount, err := sdk.ParseCoinsNormalized(args[1])
+			if err != nil {
+				return err
+			}
+
+			msg := types.NewMsgWithdrawFeePayerFunds(id, amount, clientCtx.GetFromAddress().String())
+			return tx.GenerateOrBroadcastTxCLI(clientCtx, cmd.Flags(), msg)
+		},
+	}
+
+	flags.AddTxFlagsToCmd(cmd)
+
+	return cmd
+}
+
 func GetTxCmdActivate() *cobra.Command {
 	cmd := &cobra.Command{
 		Use:   "activate [tunnel-id]",
diff --git a/x/tunnel/keeper/msg_server.go b/x/tunnel/keeper/msg_server.go
index b7dc77d54..2fe2c8231 100644
--- a/x/tunnel/keeper/msg_server.go
+++ b/x/tunnel/keeper/msg_server.go
@@ -170,6 +170,35 @@ func (k msgServer) UpdateSignalsAndInterval(
 	return &types.MsgUpdateSignalsAndIntervalResponse{}, nil
 }
 
+// WithdrawFeePayerFunds withdraws the fee payer's funds from the tunnel to the creator.
+func (k msgServer) WithdrawFeePayerFunds(
+	goCtx context.Context,
+	msg *types.MsgWithdrawFeePayerFunds,
+) (*types.MsgWithdrawFeePayerFundsResponse, error) {
+	ctx := sdk.UnwrapSDKContext(goCtx)
+
+	tunnel, err := k.Keeper.GetTunnel(ctx, msg.TunnelID)
+	if err != nil {
+		return nil, err
+	}
+
+	if msg.Creator != tunnel.Creator {
+		return nil, types.ErrInvalidTunnelCreator.Wrapf("creator %s, tunnelID %d", msg.Creator, msg.TunnelID)
+	}
+
+	// send coins from the fee payer to the creator
+	if err := k.Keeper.bankKeeper.SendCoins(
+		ctx,
+		sdk.AccAddress(tunnel.FeePayer),
+		sdk.AccAddress(tunnel.Creator),
+		msg.Amount,
+	); err != nil {
+		return nil, err
+	}
+
+	return &types.MsgWithdrawFeePayerFundsResponse{}, nil
+}
+
 // Activate activates a tunnel.
 func (k msgServer) Activate(
 	goCtx context.Context,
diff --git a/x/tunnel/testutil/expected_keepers_mocks.go b/x/tunnel/testutil/expected_keepers_mocks.go
index 40a98373c..6965a25c1 100644
--- a/x/tunnel/testutil/expected_keepers_mocks.go
+++ b/x/tunnel/testutil/expected_keepers_mocks.go
@@ -27,7 +27,6 @@ import (
 type MockAccountKeeper struct {
 	ctrl     *gomock.Controller
 	recorder *MockAccountKeeperMockRecorder
-	isgomock struct{}
 }
 
 // MockAccountKeeperMockRecorder is the mock recorder for MockAccountKeeper.
@@ -131,7 +130,6 @@ func (mr *MockAccountKeeperMockRecorder) SetModuleAccount(ctx, moduleAccount any
 type MockBankKeeper struct {
 	ctrl     *gomock.Controller
 	recorder *MockBankKeeperMockRecorder
-	isgomock struct{}
 }
 
 // MockBankKeeperMockRecorder is the mock recorder for MockBankKeeper.
@@ -165,6 +163,20 @@ func (mr *MockBankKeeperMockRecorder) GetAllBalances(ctx, addr any) *gomock.Call
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "GetAllBalances", reflect.TypeOf((*MockBankKeeper)(nil).GetAllBalances), ctx, addr)
 }
 
+// SendCoins mocks base method.
+func (m *MockBankKeeper) SendCoins(ctx context.Context, fromAddr, toAddr types2.AccAddress, amt types2.Coins) error {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "SendCoins", ctx, fromAddr, toAddr, amt)
+	ret0, _ := ret[0].(error)
+	return ret0
+}
+
+// SendCoins indicates an expected call of SendCoins.
+func (mr *MockBankKeeperMockRecorder) SendCoins(ctx, fromAddr, toAddr, amt any) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "SendCoins", reflect.TypeOf((*MockBankKeeper)(nil).SendCoins), ctx, fromAddr, toAddr, amt)
+}
+
 // SendCoinsFromAccountToModule mocks base method.
 func (m *MockBankKeeper) SendCoinsFromAccountToModule(ctx context.Context, senderAddr types2.AccAddress, recipientModule string, amt types2.Coins) error {
 	m.ctrl.T.Helper()
@@ -211,7 +223,6 @@ func (mr *MockBankKeeperMockRecorder) SpendableCoins(ctx, addr any) *gomock.Call
 type MockICS4Wrapper struct {
 	ctrl     *gomock.Controller
 	recorder *MockICS4WrapperMockRecorder
-	isgomock struct{}
 }
 
 // MockICS4WrapperMockRecorder is the mock recorder for MockICS4Wrapper.
@@ -250,7 +261,6 @@ func (mr *MockICS4WrapperMockRecorder) SendPacket(ctx, chanCap, sourcePort, sour
 type MockChannelKeeper struct {
 	ctrl     *gomock.Controller
 	recorder *MockChannelKeeperMockRecorder
-	isgomock struct{}
 }
 
 // MockChannelKeeperMockRecorder is the mock recorder for MockChannelKeeper.
@@ -289,7 +299,6 @@ func (mr *MockChannelKeeperMockRecorder) GetChannel(ctx, srcPort, srcChan any) *
 type MockPortKeeper struct {
 	ctrl     *gomock.Controller
 	recorder *MockPortKeeperMockRecorder
-	isgomock struct{}
 }
 
 // MockPortKeeperMockRecorder is the mock recorder for MockPortKeeper.
@@ -327,7 +336,6 @@ func (mr *MockPortKeeperMockRecorder) BindPort(ctx, portID any) *gomock.Call {
 type MockScopedKeeper struct {
 	ctrl     *gomock.Controller
 	recorder *MockScopedKeeperMockRecorder
-	isgomock struct{}
 }
 
 // MockScopedKeeperMockRecorder is the mock recorder for MockScopedKeeper.
@@ -394,7 +402,6 @@ func (mr *MockScopedKeeperMockRecorder) GetCapability(ctx, name any) *gomock.Cal
 type MockFeedsKeeper struct {
 	ctrl     *gomock.Controller
 	recorder *MockFeedsKeeperMockRecorder
-	isgomock struct{}
 }
 
 // MockFeedsKeeperMockRecorder is the mock recorder for MockFeedsKeeper.
@@ -446,7 +453,6 @@ func (mr *MockFeedsKeeperMockRecorder) GetPrices(ctx, signalIDs any) *gomock.Cal
 type MockBandtssKeeper struct {
 	ctrl     *gomock.Controller
 	recorder *MockBandtssKeeperMockRecorder
-	isgomock struct{}
 }
 
 // MockBandtssKeeperMockRecorder is the mock recorder for MockBandtssKeeper.
diff --git a/x/tunnel/types/expected_keepers.go b/x/tunnel/types/expected_keepers.go
index 8a57667c6..5452e7267 100644
--- a/x/tunnel/types/expected_keepers.go
+++ b/x/tunnel/types/expected_keepers.go
@@ -26,9 +26,9 @@ type AccountKeeper interface {
 }
 
 type BankKeeper interface {
+	SendCoins(ctx context.Context, fromAddr sdk.AccAddress, toAddr sdk.AccAddress, amt sdk.Coins) error
 	GetAllBalances(ctx context.Context, addr sdk.AccAddress) sdk.Coins
 	SpendableCoins(ctx context.Context, addr sdk.AccAddress) sdk.Coins
-
 	SendCoinsFromModuleToAccount(
 		ctx context.Context,
 		senderModule string,
diff --git a/x/tunnel/types/msgs.go b/x/tunnel/types/msgs.go
index e9873dc03..8c4ae715f 100644
--- a/x/tunnel/types/msgs.go
+++ b/x/tunnel/types/msgs.go
@@ -11,9 +11,9 @@ import (
 )
 
 var (
-	_, _, _, _, _, _, _, _, _ sdk.Msg                       = &MsgCreateTunnel{}, &MsgUpdateRoute{}, &MsgUpdateSignalsAndInterval{}, &MsgActivate{}, &MsgDeactivate{}, &MsgTriggerTunnel{}, &MsgDepositToTunnel{}, &MsgWithdrawFromTunnel{}, &MsgUpdateParams{}
-	_, _, _, _, _, _, _, _, _ sdk.HasValidateBasic          = &MsgCreateTunnel{}, &MsgUpdateRoute{}, &MsgUpdateSignalsAndInterval{}, &MsgActivate{}, &MsgDeactivate{}, &MsgTriggerTunnel{}, &MsgDepositToTunnel{}, &MsgWithdrawFromTunnel{}, &MsgUpdateParams{}
-	_, _                      types.UnpackInterfacesMessage = &MsgCreateTunnel{}, &MsgUpdateRoute{}
+	_, _, _, _, _, _, _, _, _, _ sdk.Msg                       = &MsgCreateTunnel{}, &MsgUpdateRoute{}, &MsgUpdateSignalsAndInterval{}, &MsgWithdrawFeePayerFunds{}, &MsgActivate{}, &MsgDeactivate{}, &MsgTriggerTunnel{}, &MsgDepositToTunnel{}, &MsgWithdrawFromTunnel{}, &MsgUpdateParams{}
+	_, _, _, _, _, _, _, _, _    sdk.HasValidateBasic          = &MsgCreateTunnel{}, &MsgUpdateRoute{}, &MsgUpdateSignalsAndInterval{}, &MsgActivate{}, &MsgDeactivate{}, &MsgTriggerTunnel{}, &MsgDepositToTunnel{}, &MsgWithdrawFromTunnel{}, &MsgUpdateParams{}
+	_, _                         types.UnpackInterfacesMessage = &MsgCreateTunnel{}, &MsgUpdateRoute{}
 )
 
 // NewMsgCreateTunnel creates a new MsgCreateTunnel instance.
@@ -228,6 +228,30 @@ func (m MsgUpdateSignalsAndInterval) ValidateBasic() error {
 	return nil
 }
 
+// NewMsgWithdrawFeePayerFunds creates a new MsgWithdrawFeePayerFunds instance.
+func NewMsgWithdrawFeePayerFunds(tunnelID uint64, amount sdk.Coins, creator string) *MsgWithdrawFeePayerFunds {
+	return &MsgWithdrawFeePayerFunds{
+		TunnelID: tunnelID,
+		Amount:   amount,
+		Creator:  creator,
+	}
+}
+
+// ValidateBasic does a sanity check on the provided data
+func (m MsgWithdrawFeePayerFunds) ValidateBasic() error {
+	// creator address must be valid
+	if _, err := sdk.AccAddressFromBech32(m.Creator); err != nil {
+		return sdkerrors.ErrInvalidAddress.Wrapf("invalid address: %s", err)
+	}
+
+	// amount must be valid
+	if !m.Amount.IsValid() {
+		return sdkerrors.ErrInvalidCoins.Wrapf("invalid funds: %s", m.Amount)
+	}
+
+	return nil
+}
+
 // NewMsgActivate creates a new MsgActivate instance.
 func NewMsgActivate(
 	tunnelID uint64,
diff --git a/x/tunnel/types/tx.pb.go b/x/tunnel/types/tx.pb.go
index b5a6c638a..a3fb0cf94 100644
--- a/x/tunnel/types/tx.pb.go
+++ b/x/tunnel/types/tx.pb.go
@@ -372,6 +372,107 @@ func (m *MsgUpdateSignalsAndIntervalResponse) XXX_DiscardUnknown() {
 
 var xxx_messageInfo_MsgUpdateSignalsAndIntervalResponse proto.InternalMessageInfo
 
+// MsgWithdrawFeePayerFunds is the transaction message to withdraw fee payer funds to creator.
+type MsgWithdrawFeePayerFunds struct {
+	// tunnel_id is the ID of the tunnel to withdraw fee payer coins.
+	TunnelID uint64 `protobuf:"varint,1,opt,name=tunnel_id,json=tunnelId,proto3" json:"tunnel_id,omitempty"`
+	// coins is the coins to withdraw.
+	Amount github_com_cosmos_cosmos_sdk_types.Coins `protobuf:"bytes,2,rep,name=amount,proto3,castrepeated=github.com/cosmos/cosmos-sdk/types.Coins" json:"amount"`
+	// creator is the address of the creator.
+	Creator string `protobuf:"bytes,3,opt,name=creator,proto3" json:"creator,omitempty"`
+}
+
+func (m *MsgWithdrawFeePayerFunds) Reset()         { *m = MsgWithdrawFeePayerFunds{} }
+func (m *MsgWithdrawFeePayerFunds) String() string { return proto.CompactTextString(m) }
+func (*MsgWithdrawFeePayerFunds) ProtoMessage()    {}
+func (*MsgWithdrawFeePayerFunds) Descriptor() ([]byte, []int) {
+	return fileDescriptor_d18351d83b4705d0, []int{6}
+}
+func (m *MsgWithdrawFeePayerFunds) XXX_Unmarshal(b []byte) error {
+	return m.Unmarshal(b)
+}
+func (m *MsgWithdrawFeePayerFunds) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	if deterministic {
+		return xxx_messageInfo_MsgWithdrawFeePayerFunds.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 *MsgWithdrawFeePayerFunds) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_MsgWithdrawFeePayerFunds.Merge(m, src)
+}
+func (m *MsgWithdrawFeePayerFunds) XXX_Size() int {
+	return m.Size()
+}
+func (m *MsgWithdrawFeePayerFunds) XXX_DiscardUnknown() {
+	xxx_messageInfo_MsgWithdrawFeePayerFunds.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_MsgWithdrawFeePayerFunds proto.InternalMessageInfo
+
+func (m *MsgWithdrawFeePayerFunds) GetTunnelID() uint64 {
+	if m != nil {
+		return m.TunnelID
+	}
+	return 0
+}
+
+func (m *MsgWithdrawFeePayerFunds) GetAmount() github_com_cosmos_cosmos_sdk_types.Coins {
+	if m != nil {
+		return m.Amount
+	}
+	return nil
+}
+
+func (m *MsgWithdrawFeePayerFunds) GetCreator() string {
+	if m != nil {
+		return m.Creator
+	}
+	return ""
+}
+
+// MsgWithdrawFeePayerFundsResponse is the response type for the Msg/WithdrawFeePayerFunds RPC method.
+type MsgWithdrawFeePayerFundsResponse struct {
+}
+
+func (m *MsgWithdrawFeePayerFundsResponse) Reset()         { *m = MsgWithdrawFeePayerFundsResponse{} }
+func (m *MsgWithdrawFeePayerFundsResponse) String() string { return proto.CompactTextString(m) }
+func (*MsgWithdrawFeePayerFundsResponse) ProtoMessage()    {}
+func (*MsgWithdrawFeePayerFundsResponse) Descriptor() ([]byte, []int) {
+	return fileDescriptor_d18351d83b4705d0, []int{7}
+}
+func (m *MsgWithdrawFeePayerFundsResponse) XXX_Unmarshal(b []byte) error {
+	return m.Unmarshal(b)
+}
+func (m *MsgWithdrawFeePayerFundsResponse) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	if deterministic {
+		return xxx_messageInfo_MsgWithdrawFeePayerFundsResponse.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 *MsgWithdrawFeePayerFundsResponse) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_MsgWithdrawFeePayerFundsResponse.Merge(m, src)
+}
+func (m *MsgWithdrawFeePayerFundsResponse) XXX_Size() int {
+	return m.Size()
+}
+func (m *MsgWithdrawFeePayerFundsResponse) XXX_DiscardUnknown() {
+	xxx_messageInfo_MsgWithdrawFeePayerFundsResponse.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_MsgWithdrawFeePayerFundsResponse proto.InternalMessageInfo
+
 // Activate is the transaction message to activate a tunnel.
 type MsgActivate struct {
 	// tunnel_id is the ID of the tunnel to activate.
@@ -384,7 +485,7 @@ func (m *MsgActivate) Reset()         { *m = MsgActivate{} }
 func (m *MsgActivate) String() string { return proto.CompactTextString(m) }
 func (*MsgActivate) ProtoMessage()    {}
 func (*MsgActivate) Descriptor() ([]byte, []int) {
-	return fileDescriptor_d18351d83b4705d0, []int{6}
+	return fileDescriptor_d18351d83b4705d0, []int{8}
 }
 func (m *MsgActivate) XXX_Unmarshal(b []byte) error {
 	return m.Unmarshal(b)
@@ -435,7 +536,7 @@ func (m *MsgActivateResponse) Reset()         { *m = MsgActivateResponse{} }
 func (m *MsgActivateResponse) String() string { return proto.CompactTextString(m) }
 func (*MsgActivateResponse) ProtoMessage()    {}
 func (*MsgActivateResponse) Descriptor() ([]byte, []int) {
-	return fileDescriptor_d18351d83b4705d0, []int{7}
+	return fileDescriptor_d18351d83b4705d0, []int{9}
 }
 func (m *MsgActivateResponse) XXX_Unmarshal(b []byte) error {
 	return m.Unmarshal(b)
@@ -476,7 +577,7 @@ func (m *MsgDeactivate) Reset()         { *m = MsgDeactivate{} }
 func (m *MsgDeactivate) String() string { return proto.CompactTextString(m) }
 func (*MsgDeactivate) ProtoMessage()    {}
 func (*MsgDeactivate) Descriptor() ([]byte, []int) {
-	return fileDescriptor_d18351d83b4705d0, []int{8}
+	return fileDescriptor_d18351d83b4705d0, []int{10}
 }
 func (m *MsgDeactivate) XXX_Unmarshal(b []byte) error {
 	return m.Unmarshal(b)
@@ -527,7 +628,7 @@ func (m *MsgDeactivateResponse) Reset()         { *m = MsgDeactivateResponse{} }
 func (m *MsgDeactivateResponse) String() string { return proto.CompactTextString(m) }
 func (*MsgDeactivateResponse) ProtoMessage()    {}
 func (*MsgDeactivateResponse) Descriptor() ([]byte, []int) {
-	return fileDescriptor_d18351d83b4705d0, []int{9}
+	return fileDescriptor_d18351d83b4705d0, []int{11}
 }
 func (m *MsgDeactivateResponse) XXX_Unmarshal(b []byte) error {
 	return m.Unmarshal(b)
@@ -568,7 +669,7 @@ func (m *MsgTriggerTunnel) Reset()         { *m = MsgTriggerTunnel{} }
 func (m *MsgTriggerTunnel) String() string { return proto.CompactTextString(m) }
 func (*MsgTriggerTunnel) ProtoMessage()    {}
 func (*MsgTriggerTunnel) Descriptor() ([]byte, []int) {
-	return fileDescriptor_d18351d83b4705d0, []int{10}
+	return fileDescriptor_d18351d83b4705d0, []int{12}
 }
 func (m *MsgTriggerTunnel) XXX_Unmarshal(b []byte) error {
 	return m.Unmarshal(b)
@@ -619,7 +720,7 @@ func (m *MsgTriggerTunnelResponse) Reset()         { *m = MsgTriggerTunnelRespon
 func (m *MsgTriggerTunnelResponse) String() string { return proto.CompactTextString(m) }
 func (*MsgTriggerTunnelResponse) ProtoMessage()    {}
 func (*MsgTriggerTunnelResponse) Descriptor() ([]byte, []int) {
-	return fileDescriptor_d18351d83b4705d0, []int{11}
+	return fileDescriptor_d18351d83b4705d0, []int{13}
 }
 func (m *MsgTriggerTunnelResponse) XXX_Unmarshal(b []byte) error {
 	return m.Unmarshal(b)
@@ -662,7 +763,7 @@ func (m *MsgDepositToTunnel) Reset()         { *m = MsgDepositToTunnel{} }
 func (m *MsgDepositToTunnel) String() string { return proto.CompactTextString(m) }
 func (*MsgDepositToTunnel) ProtoMessage()    {}
 func (*MsgDepositToTunnel) Descriptor() ([]byte, []int) {
-	return fileDescriptor_d18351d83b4705d0, []int{12}
+	return fileDescriptor_d18351d83b4705d0, []int{14}
 }
 func (m *MsgDepositToTunnel) XXX_Unmarshal(b []byte) error {
 	return m.Unmarshal(b)
@@ -720,7 +821,7 @@ func (m *MsgDepositToTunnelResponse) Reset()         { *m = MsgDepositToTunnelRe
 func (m *MsgDepositToTunnelResponse) String() string { return proto.CompactTextString(m) }
 func (*MsgDepositToTunnelResponse) ProtoMessage()    {}
 func (*MsgDepositToTunnelResponse) Descriptor() ([]byte, []int) {
-	return fileDescriptor_d18351d83b4705d0, []int{13}
+	return fileDescriptor_d18351d83b4705d0, []int{15}
 }
 func (m *MsgDepositToTunnelResponse) XXX_Unmarshal(b []byte) error {
 	return m.Unmarshal(b)
@@ -763,7 +864,7 @@ func (m *MsgWithdrawFromTunnel) Reset()         { *m = MsgWithdrawFromTunnel{} }
 func (m *MsgWithdrawFromTunnel) String() string { return proto.CompactTextString(m) }
 func (*MsgWithdrawFromTunnel) ProtoMessage()    {}
 func (*MsgWithdrawFromTunnel) Descriptor() ([]byte, []int) {
-	return fileDescriptor_d18351d83b4705d0, []int{14}
+	return fileDescriptor_d18351d83b4705d0, []int{16}
 }
 func (m *MsgWithdrawFromTunnel) XXX_Unmarshal(b []byte) error {
 	return m.Unmarshal(b)
@@ -821,7 +922,7 @@ func (m *MsgWithdrawFromTunnelResponse) Reset()         { *m = MsgWithdrawFromTu
 func (m *MsgWithdrawFromTunnelResponse) String() string { return proto.CompactTextString(m) }
 func (*MsgWithdrawFromTunnelResponse) ProtoMessage()    {}
 func (*MsgWithdrawFromTunnelResponse) Descriptor() ([]byte, []int) {
-	return fileDescriptor_d18351d83b4705d0, []int{15}
+	return fileDescriptor_d18351d83b4705d0, []int{17}
 }
 func (m *MsgWithdrawFromTunnelResponse) XXX_Unmarshal(b []byte) error {
 	return m.Unmarshal(b)
@@ -862,7 +963,7 @@ func (m *MsgUpdateParams) Reset()         { *m = MsgUpdateParams{} }
 func (m *MsgUpdateParams) String() string { return proto.CompactTextString(m) }
 func (*MsgUpdateParams) ProtoMessage()    {}
 func (*MsgUpdateParams) Descriptor() ([]byte, []int) {
-	return fileDescriptor_d18351d83b4705d0, []int{16}
+	return fileDescriptor_d18351d83b4705d0, []int{18}
 }
 func (m *MsgUpdateParams) XXX_Unmarshal(b []byte) error {
 	return m.Unmarshal(b)
@@ -913,7 +1014,7 @@ func (m *MsgUpdateParamsResponse) Reset()         { *m = MsgUpdateParamsResponse
 func (m *MsgUpdateParamsResponse) String() string { return proto.CompactTextString(m) }
 func (*MsgUpdateParamsResponse) ProtoMessage()    {}
 func (*MsgUpdateParamsResponse) Descriptor() ([]byte, []int) {
-	return fileDescriptor_d18351d83b4705d0, []int{17}
+	return fileDescriptor_d18351d83b4705d0, []int{19}
 }
 func (m *MsgUpdateParamsResponse) XXX_Unmarshal(b []byte) error {
 	return m.Unmarshal(b)
@@ -949,6 +1050,8 @@ func init() {
 	proto.RegisterType((*MsgUpdateRouteResponse)(nil), "band.tunnel.v1beta1.MsgUpdateRouteResponse")
 	proto.RegisterType((*MsgUpdateSignalsAndInterval)(nil), "band.tunnel.v1beta1.MsgUpdateSignalsAndInterval")
 	proto.RegisterType((*MsgUpdateSignalsAndIntervalResponse)(nil), "band.tunnel.v1beta1.MsgUpdateSignalsAndIntervalResponse")
+	proto.RegisterType((*MsgWithdrawFeePayerFunds)(nil), "band.tunnel.v1beta1.MsgWithdrawFeePayerFunds")
+	proto.RegisterType((*MsgWithdrawFeePayerFundsResponse)(nil), "band.tunnel.v1beta1.MsgWithdrawFeePayerFundsResponse")
 	proto.RegisterType((*MsgActivate)(nil), "band.tunnel.v1beta1.MsgActivate")
 	proto.RegisterType((*MsgActivateResponse)(nil), "band.tunnel.v1beta1.MsgActivateResponse")
 	proto.RegisterType((*MsgDeactivate)(nil), "band.tunnel.v1beta1.MsgDeactivate")
@@ -966,74 +1069,78 @@ func init() {
 func init() { proto.RegisterFile("band/tunnel/v1beta1/tx.proto", fileDescriptor_d18351d83b4705d0) }
 
 var fileDescriptor_d18351d83b4705d0 = []byte{
-	// 1058 bytes of a gzipped FileDescriptorProto
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+	0x0a, 0xaf, 0x35, 0x98, 0x8f, 0xbd, 0x4e, 0xd7, 0x87, 0x5f, 0xe4, 0x00, 0x35, 0x38, 0x99, 0xd3,
+	0x1e, 0x0e, 0x75, 0xea, 0x13, 0xff, 0x85, 0x2e, 0x1d, 0xbc, 0x3c, 0xce, 0x49, 0xaf, 0x8e, 0x73,
+	0xd2, 0x5f, 0xc7, 0x39, 0xe9, 0xcb, 0x93, 0xdc, 0xc4, 0xab, 0x93, 0xdc, 0xc4, 0x1f, 0x27, 0xb9,
+	0x89, 0x0f, 0x8d, 0xc8, 0x53, 0xef, 0x6f, 0xcc, 0xfe, 0xdc, 0xd4, 0x71, 0xd3, 0xa8, 0x37, 0x4c,
+	0xc7, 0x35, 0xba, 0x3b, 0xc6, 0xf3, 0xf0, 0x1f, 0x34, 0x7b, 0xf7, 0x6b, 0xd3, 0x0c, 0xb1, 0xf3,
+	0x77, 0x00, 0x00, 0x00, 0xff, 0xff, 0x30, 0x56, 0x96, 0x43, 0x4a, 0x10, 0x00, 0x00,
 }
 
 // Reference imports to suppress errors if they are not otherwise used.
@@ -1054,6 +1161,8 @@ type MsgClient interface {
 	UpdateRoute(ctx context.Context, in *MsgUpdateRoute, opts ...grpc.CallOption) (*MsgUpdateRouteResponse, error)
 	// UpdateSignalsAndInterval is a RPC method to update a signals and interval of the tunnel.
 	UpdateSignalsAndInterval(ctx context.Context, in *MsgUpdateSignalsAndInterval, opts ...grpc.CallOption) (*MsgUpdateSignalsAndIntervalResponse, error)
+	// WithdrawFeePayerFunds is a RPC method to withdraw fee payer funds to creator.
+	WithdrawFeePayerFunds(ctx context.Context, in *MsgWithdrawFeePayerFunds, opts ...grpc.CallOption) (*MsgWithdrawFeePayerFundsResponse, error)
 	// Activate is a RPC method to activate a tunnel.
 	Activate(ctx context.Context, in *MsgActivate, opts ...grpc.CallOption) (*MsgActivateResponse, error)
 	// Deactivate is a RPC method to deactivate a tunnel.
@@ -1103,6 +1212,15 @@ func (c *msgClient) UpdateSignalsAndInterval(ctx context.Context, in *MsgUpdateS
 	return out, nil
 }
 
+func (c *msgClient) WithdrawFeePayerFunds(ctx context.Context, in *MsgWithdrawFeePayerFunds, opts ...grpc.CallOption) (*MsgWithdrawFeePayerFundsResponse, error) {
+	out := new(MsgWithdrawFeePayerFundsResponse)
+	err := c.cc.Invoke(ctx, "/band.tunnel.v1beta1.Msg/WithdrawFeePayerFunds", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
 func (c *msgClient) Activate(ctx context.Context, in *MsgActivate, opts ...grpc.CallOption) (*MsgActivateResponse, error) {
 	out := new(MsgActivateResponse)
 	err := c.cc.Invoke(ctx, "/band.tunnel.v1beta1.Msg/Activate", in, out, opts...)
@@ -1165,6 +1283,8 @@ type MsgServer interface {
 	UpdateRoute(context.Context, *MsgUpdateRoute) (*MsgUpdateRouteResponse, error)
 	// UpdateSignalsAndInterval is a RPC method to update a signals and interval of the tunnel.
 	UpdateSignalsAndInterval(context.Context, *MsgUpdateSignalsAndInterval) (*MsgUpdateSignalsAndIntervalResponse, error)
+	// WithdrawFeePayerFunds is a RPC method to withdraw fee payer funds to creator.
+	WithdrawFeePayerFunds(context.Context, *MsgWithdrawFeePayerFunds) (*MsgWithdrawFeePayerFundsResponse, error)
 	// Activate is a RPC method to activate a tunnel.
 	Activate(context.Context, *MsgActivate) (*MsgActivateResponse, error)
 	// Deactivate is a RPC method to deactivate a tunnel.
@@ -1192,6 +1312,9 @@ func (*UnimplementedMsgServer) UpdateRoute(ctx context.Context, req *MsgUpdateRo
 func (*UnimplementedMsgServer) UpdateSignalsAndInterval(ctx context.Context, req *MsgUpdateSignalsAndInterval) (*MsgUpdateSignalsAndIntervalResponse, error) {
 	return nil, status.Errorf(codes.Unimplemented, "method UpdateSignalsAndInterval not implemented")
 }
+func (*UnimplementedMsgServer) WithdrawFeePayerFunds(ctx context.Context, req *MsgWithdrawFeePayerFunds) (*MsgWithdrawFeePayerFundsResponse, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method WithdrawFeePayerFunds not implemented")
+}
 func (*UnimplementedMsgServer) Activate(ctx context.Context, req *MsgActivate) (*MsgActivateResponse, error) {
 	return nil, status.Errorf(codes.Unimplemented, "method Activate not implemented")
 }
@@ -1269,6 +1392,24 @@ func _Msg_UpdateSignalsAndInterval_Handler(srv interface{}, ctx context.Context,
 	return interceptor(ctx, in, info, handler)
 }
 
+func _Msg_WithdrawFeePayerFunds_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(MsgWithdrawFeePayerFunds)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(MsgServer).WithdrawFeePayerFunds(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/band.tunnel.v1beta1.Msg/WithdrawFeePayerFunds",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(MsgServer).WithdrawFeePayerFunds(ctx, req.(*MsgWithdrawFeePayerFunds))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
 func _Msg_Activate_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
 	in := new(MsgActivate)
 	if err := dec(in); err != nil {
@@ -1393,6 +1534,10 @@ var _Msg_serviceDesc = grpc.ServiceDesc{
 			MethodName: "UpdateSignalsAndInterval",
 			Handler:    _Msg_UpdateSignalsAndInterval_Handler,
 		},
+		{
+			MethodName: "WithdrawFeePayerFunds",
+			Handler:    _Msg_WithdrawFeePayerFunds_Handler,
+		},
 		{
 			MethodName: "Activate",
 			Handler:    _Msg_Activate_Handler,
@@ -1672,6 +1817,78 @@ func (m *MsgUpdateSignalsAndIntervalResponse) MarshalToSizedBuffer(dAtA []byte)
 	return len(dAtA) - i, nil
 }
 
+func (m *MsgWithdrawFeePayerFunds) 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 *MsgWithdrawFeePayerFunds) MarshalTo(dAtA []byte) (int, error) {
+	size := m.Size()
+	return m.MarshalToSizedBuffer(dAtA[:size])
+}
+
+func (m *MsgWithdrawFeePayerFunds) MarshalToSizedBuffer(dAtA []byte) (int, error) {
+	i := len(dAtA)
+	_ = i
+	var l int
+	_ = l
+	if len(m.Creator) > 0 {
+		i -= len(m.Creator)
+		copy(dAtA[i:], m.Creator)
+		i = encodeVarintTx(dAtA, i, uint64(len(m.Creator)))
+		i--
+		dAtA[i] = 0x1a
+	}
+	if len(m.Amount) > 0 {
+		for iNdEx := len(m.Amount) - 1; iNdEx >= 0; iNdEx-- {
+			{
+				size, err := m.Amount[iNdEx].MarshalToSizedBuffer(dAtA[:i])
+				if err != nil {
+					return 0, err
+				}
+				i -= size
+				i = encodeVarintTx(dAtA, i, uint64(size))
+			}
+			i--
+			dAtA[i] = 0x12
+		}
+	}
+	if m.TunnelID != 0 {
+		i = encodeVarintTx(dAtA, i, uint64(m.TunnelID))
+		i--
+		dAtA[i] = 0x8
+	}
+	return len(dAtA) - i, nil
+}
+
+func (m *MsgWithdrawFeePayerFundsResponse) 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 *MsgWithdrawFeePayerFundsResponse) MarshalTo(dAtA []byte) (int, error) {
+	size := m.Size()
+	return m.MarshalToSizedBuffer(dAtA[:size])
+}
+
+func (m *MsgWithdrawFeePayerFundsResponse) MarshalToSizedBuffer(dAtA []byte) (int, error) {
+	i := len(dAtA)
+	_ = i
+	var l int
+	_ = l
+	return len(dAtA) - i, nil
+}
+
 func (m *MsgActivate) Marshal() (dAtA []byte, err error) {
 	size := m.Size()
 	dAtA = make([]byte, size)
@@ -2171,6 +2388,37 @@ func (m *MsgUpdateSignalsAndIntervalResponse) Size() (n int) {
 	return n
 }
 
+func (m *MsgWithdrawFeePayerFunds) Size() (n int) {
+	if m == nil {
+		return 0
+	}
+	var l int
+	_ = l
+	if m.TunnelID != 0 {
+		n += 1 + sovTx(uint64(m.TunnelID))
+	}
+	if len(m.Amount) > 0 {
+		for _, e := range m.Amount {
+			l = e.Size()
+			n += 1 + l + sovTx(uint64(l))
+		}
+	}
+	l = len(m.Creator)
+	if l > 0 {
+		n += 1 + l + sovTx(uint64(l))
+	}
+	return n
+}
+
+func (m *MsgWithdrawFeePayerFundsResponse) Size() (n int) {
+	if m == nil {
+		return 0
+	}
+	var l int
+	_ = l
+	return n
+}
+
 func (m *MsgActivate) Size() (n int) {
 	if m == nil {
 		return 0
@@ -3003,6 +3251,191 @@ func (m *MsgUpdateSignalsAndIntervalResponse) Unmarshal(dAtA []byte) error {
 	}
 	return nil
 }
+func (m *MsgWithdrawFeePayerFunds) 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 ErrIntOverflowTx
+			}
+			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: MsgWithdrawFeePayerFunds: wiretype end group for non-group")
+		}
+		if fieldNum <= 0 {
+			return fmt.Errorf("proto: MsgWithdrawFeePayerFunds: illegal tag %d (wire type %d)", fieldNum, wire)
+		}
+		switch fieldNum {
+		case 1:
+			if wireType != 0 {
+				return fmt.Errorf("proto: wrong wireType = %d for field TunnelID", wireType)
+			}
+			m.TunnelID = 0
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowTx
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				m.TunnelID |= uint64(b&0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+		case 2:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Amount", wireType)
+			}
+			var msglen int
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowTx
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				msglen |= int(b&0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			if msglen < 0 {
+				return ErrInvalidLengthTx
+			}
+			postIndex := iNdEx + msglen
+			if postIndex < 0 {
+				return ErrInvalidLengthTx
+			}
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.Amount = append(m.Amount, types1.Coin{})
+			if err := m.Amount[len(m.Amount)-1].Unmarshal(dAtA[iNdEx:postIndex]); err != nil {
+				return err
+			}
+			iNdEx = postIndex
+		case 3:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Creator", wireType)
+			}
+			var stringLen uint64
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowTx
+				}
+				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 ErrInvalidLengthTx
+			}
+			postIndex := iNdEx + intStringLen
+			if postIndex < 0 {
+				return ErrInvalidLengthTx
+			}
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.Creator = string(dAtA[iNdEx:postIndex])
+			iNdEx = postIndex
+		default:
+			iNdEx = preIndex
+			skippy, err := skipTx(dAtA[iNdEx:])
+			if err != nil {
+				return err
+			}
+			if (skippy < 0) || (iNdEx+skippy) < 0 {
+				return ErrInvalidLengthTx
+			}
+			if (iNdEx + skippy) > l {
+				return io.ErrUnexpectedEOF
+			}
+			iNdEx += skippy
+		}
+	}
+
+	if iNdEx > l {
+		return io.ErrUnexpectedEOF
+	}
+	return nil
+}
+func (m *MsgWithdrawFeePayerFundsResponse) 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 ErrIntOverflowTx
+			}
+			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: MsgWithdrawFeePayerFundsResponse: wiretype end group for non-group")
+		}
+		if fieldNum <= 0 {
+			return fmt.Errorf("proto: MsgWithdrawFeePayerFundsResponse: illegal tag %d (wire type %d)", fieldNum, wire)
+		}
+		switch fieldNum {
+		default:
+			iNdEx = preIndex
+			skippy, err := skipTx(dAtA[iNdEx:])
+			if err != nil {
+				return err
+			}
+			if (skippy < 0) || (iNdEx+skippy) < 0 {
+				return ErrInvalidLengthTx
+			}
+			if (iNdEx + skippy) > l {
+				return io.ErrUnexpectedEOF
+			}
+			iNdEx += skippy
+		}
+	}
+
+	if iNdEx > l {
+		return io.ErrUnexpectedEOF
+	}
+	return nil
+}
 func (m *MsgActivate) Unmarshal(dAtA []byte) error {
 	l := len(dAtA)
 	iNdEx := 0

From f994150da8dfeecb2c3b89aa92e7463033141ba9 Mon Sep 17 00:00:00 2001
From: satawatnack <satawat@bandprotocol.com>
Date: Thu, 12 Dec 2024 17:20:53 +0700
Subject: [PATCH 2/8] add test

---
 x/tunnel/keeper/keeper_test.go     |  4 +-
 x/tunnel/keeper/msg_server_test.go | 87 ++++++++++++++++++++++++++++++
 2 files changed, 90 insertions(+), 1 deletion(-)

diff --git a/x/tunnel/keeper/keeper_test.go b/x/tunnel/keeper/keeper_test.go
index c74c0c378..fc6e2bbab 100644
--- a/x/tunnel/keeper/keeper_test.go
+++ b/x/tunnel/keeper/keeper_test.go
@@ -106,7 +106,7 @@ func (s *KeeperTestSuite) reset() {
 	s.Require().NoError(err)
 }
 
-func (s *KeeperTestSuite) AddSampleTunnel(isActive bool) {
+func (s *KeeperTestSuite) AddSampleTunnel(isActive bool) *types.Tunnel {
 	ctx, k := s.ctx, s.keeper
 
 	s.accountKeeper.EXPECT().
@@ -148,6 +148,8 @@ func (s *KeeperTestSuite) AddSampleTunnel(isActive bool) {
 		err = k.ActivateTunnel(ctx, tunnel.ID)
 		s.Require().NoError(err)
 	}
+
+	return tunnel
 }
 
 func (s *KeeperTestSuite) AddSampleIBCTunnel(isActive bool) {
diff --git a/x/tunnel/keeper/msg_server_test.go b/x/tunnel/keeper/msg_server_test.go
index 27547cce2..67d3d1777 100644
--- a/x/tunnel/keeper/msg_server_test.go
+++ b/x/tunnel/keeper/msg_server_test.go
@@ -432,6 +432,93 @@ func (s *KeeperTestSuite) TestMsgUpdateSignalsAndInterval() {
 	}
 }
 
+func (s *KeeperTestSuite) TestWithdrawFeePayerFunds() {
+	creator := sdk.AccAddress([]byte("creator_address")).String()
+
+	cases := map[string]struct {
+		preRun    func() *types.MsgWithdrawFeePayerFunds
+		expErr    bool
+		expErrMsg string
+	}{
+		"tunnel not found": {
+			preRun: func() *types.MsgWithdrawFeePayerFunds {
+				return &types.MsgWithdrawFeePayerFunds{
+					Creator:  creator,
+					TunnelID: 1,
+					Amount:   sdk.NewCoins(sdk.NewInt64Coin("uband", 500)),
+				}
+			},
+			expErr:    true,
+			expErrMsg: "tunnel not found",
+		},
+		"invalid creator": {
+			preRun: func() *types.MsgWithdrawFeePayerFunds {
+				s.AddSampleTunnel(false)
+
+				return &types.MsgWithdrawFeePayerFunds{
+					Creator:  "invalid_creator",
+					TunnelID: 1,
+					Amount:   sdk.NewCoins(sdk.NewInt64Coin("uband", 500)),
+				}
+			},
+			expErr:    true,
+			expErrMsg: "creator invalid_creator, tunnelID 1",
+		},
+		"insufficient funds": {
+			preRun: func() *types.MsgWithdrawFeePayerFunds {
+				tunnel := s.AddSampleTunnel(false)
+
+				amount := sdk.NewCoins(sdk.NewInt64Coin("uband", 9999999999))
+
+				s.bankKeeper.EXPECT().
+					SendCoins(s.ctx, sdk.AccAddress(tunnel.FeePayer), sdk.AccAddress(creator), amount).
+					Return(sdkerrors.ErrInsufficientFunds).Times(1)
+
+				return &types.MsgWithdrawFeePayerFunds{
+					Creator:  creator,
+					TunnelID: tunnel.ID,
+					Amount:   amount,
+				}
+			},
+			expErr:    true,
+			expErrMsg: "insufficient funds",
+		},
+		"all good": {
+			preRun: func() *types.MsgWithdrawFeePayerFunds {
+				tunnel := s.AddSampleTunnel(false)
+
+				amount := sdk.NewCoins(sdk.NewInt64Coin("uband", 500))
+
+				s.bankKeeper.EXPECT().
+					SendCoins(s.ctx, sdk.AccAddress(tunnel.FeePayer), sdk.AccAddress(creator), amount).
+					Return(nil).Times(1)
+
+				return &types.MsgWithdrawFeePayerFunds{
+					Creator:  creator,
+					TunnelID: 1,
+					Amount:   amount,
+				}
+			},
+			expErr: false,
+		},
+	}
+
+	for name, tc := range cases {
+		s.Run(name, func() {
+			s.reset()
+			msg := tc.preRun()
+
+			_, err := s.msgServer.WithdrawFeePayerFunds(s.ctx, msg)
+			if tc.expErr {
+				s.Require().Error(err)
+				s.Require().Contains(err.Error(), tc.expErrMsg)
+			} else {
+				s.Require().NoError(err)
+			}
+		})
+	}
+}
+
 func (s *KeeperTestSuite) TestMsgActivate() {
 	cases := map[string]struct {
 		preRun    func() *types.MsgActivate

From e06c58fbb713dce52cb439da4886f8a1e782f648 Mon Sep 17 00:00:00 2001
From: satawatnack <satawat@bandprotocol.com>
Date: Thu, 12 Dec 2024 18:14:45 +0700
Subject: [PATCH 3/8] add MsgWithdrawFeePayerFunds

---
 x/tunnel/README.md | 26 ++++++++++++++++++++++++++
 1 file changed, 26 insertions(+)

diff --git a/x/tunnel/README.md b/x/tunnel/README.md
index 54bdaf404..108bce32b 100644
--- a/x/tunnel/README.md
+++ b/x/tunnel/README.md
@@ -29,6 +29,7 @@ The Tunnel module is designed to decentralize the creation of push-based price d
     - [MsgCreateTunnel](#msgcreatetunnel)
     - [MsgUpdateRoute](#msgupdateroute)
     - [MsgUpdateSignalsAndInterval](#msgupdatesignalsandinterval)
+    - [MsgWithdrawFeePayerFunds](#msgwithdrawfeepayerfunds)
     - [MsgActivate](#msgactivate)
     - [MsgDeactivate](#msgdeactivate)
     - [MsgTriggerTunnel](#msgtriggertunnel)
@@ -289,6 +290,8 @@ message MsgUpdateRoute {
 
 ### MsgUpdateSignalsAndInterval
 
+Allows the creator of a tunnel to update the list of signal deviations and the interval for the tunnel.
+
 ```protobuf
 // MsgUpdateSignalsAndInterval is the transaction message to update signals and interval of the tunnel.
 message MsgUpdateSignalsAndInterval {
@@ -306,6 +309,29 @@ message MsgUpdateSignalsAndInterval {
 }
 ```
 
+### MsgWithdrawFeePayerFunds
+
+Allows the creator of a tunnel to withdraw funds from the fee payer to the creator.
+
+```protobuf
+// MsgWithdrawFeePayerFunds is the transaction message to withdraw fee payer funds to creator.
+message MsgWithdrawFeePayerFunds {
+  option (cosmos.msg.v1.signer) = "fee_payer";
+  option (amino.name)           = "tunnel/MsgWithdrawFeePayerCoins";
+
+  // tunnel_id is the ID of the tunnel to withdraw fee payer coins.
+  uint64 tunnel_id = 1 [(gogoproto.customname) = "TunnelID"];
+  // coins is the coins to withdraw.
+  repeated cosmos.base.v1beta1.Coin amount = 2 [
+    (gogoproto.nullable)     = false,
+    (gogoproto.castrepeated) = "github.com/cosmos/cosmos-sdk/types.Coins",
+    (amino.dont_omitempty)   = true
+  ];
+  // creator is the address of the creator.
+  string creator = 3 [(cosmos_proto.scalar) = "cosmos.AddressString"];
+}
+```
+
 ### MsgActivate
 
 To activate the tunnel for processing at the EndBlock, the following conditions must be met:

From 406d1c288eaf8c50f42b3e3d2fbb546eab5ee536 Mon Sep 17 00:00:00 2001
From: Kitipong Sirirueangsakul <kitipong.sirir@gmail.com>
Date: Mon, 16 Dec 2024 15:26:44 +0700
Subject: [PATCH 4/8] fix comment

---
 app/upgrades/v3/constants.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/app/upgrades/v3/constants.go b/app/upgrades/v3/constants.go
index 416683972..3fc0a08a3 100644
--- a/app/upgrades/v3/constants.go
+++ b/app/upgrades/v3/constants.go
@@ -28,7 +28,7 @@ import (
 	tunneltypes "github.com/bandprotocol/chain/v3/x/tunnel/types"
 )
 
-// UpgradeName defines the on-chain upgrade name for the Osmosis v26 upgrade.
+// UpgradeName defines the on-chain upgrade name.
 const (
 	UpgradeName = "v3"
 

From e2b701297b1eaf701f4effb9e58051d29b9224f6 Mon Sep 17 00:00:00 2001
From: Kitipong Sirirueangsakul <kitipong.sirir@gmail.com>
Date: Mon, 16 Dec 2024 16:50:52 +0700
Subject: [PATCH 5/8] fix bug

---
 api/band/tunnel/v1beta1/tx.pulsar.go | 332 +++++++++++++--------------
 proto/band/tunnel/v1beta1/tx.proto   |   2 +-
 x/tunnel/README.md                   |   2 +-
 x/tunnel/keeper/msg_server.go        |  14 +-
 x/tunnel/types/tx.pb.go              | 143 ++++++------
 5 files changed, 251 insertions(+), 242 deletions(-)

diff --git a/api/band/tunnel/v1beta1/tx.pulsar.go b/api/band/tunnel/v1beta1/tx.pulsar.go
index 92f36d9a9..d10b9f00b 100644
--- a/api/band/tunnel/v1beta1/tx.pulsar.go
+++ b/api/band/tunnel/v1beta1/tx.pulsar.go
@@ -10289,7 +10289,7 @@ var file_band_tunnel_v1beta1_tx_proto_rawDesc = []byte{
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@@ -10304,179 +10304,179 @@ var file_band_tunnel_v1beta1_tx_proto_rawDesc = []byte{
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 }
 
 var (
diff --git a/proto/band/tunnel/v1beta1/tx.proto b/proto/band/tunnel/v1beta1/tx.proto
index 696215bcc..2a7380068 100644
--- a/proto/band/tunnel/v1beta1/tx.proto
+++ b/proto/band/tunnel/v1beta1/tx.proto
@@ -110,7 +110,7 @@ message MsgUpdateSignalsAndIntervalResponse {}
 
 // MsgWithdrawFeePayerFunds is the transaction message to withdraw fee payer funds to creator.
 message MsgWithdrawFeePayerFunds {
-  option (cosmos.msg.v1.signer) = "fee_payer";
+  option (cosmos.msg.v1.signer) = "creator";
   option (amino.name)           = "tunnel/MsgWithdrawFeePayerCoins";
 
   // tunnel_id is the ID of the tunnel to withdraw fee payer coins.
diff --git a/x/tunnel/README.md b/x/tunnel/README.md
index 108bce32b..f5457b383 100644
--- a/x/tunnel/README.md
+++ b/x/tunnel/README.md
@@ -316,7 +316,7 @@ Allows the creator of a tunnel to withdraw funds from the fee payer to the creat
 ```protobuf
 // MsgWithdrawFeePayerFunds is the transaction message to withdraw fee payer funds to creator.
 message MsgWithdrawFeePayerFunds {
-  option (cosmos.msg.v1.signer) = "fee_payer";
+  option (cosmos.msg.v1.signer) = "creator";
   option (amino.name)           = "tunnel/MsgWithdrawFeePayerCoins";
 
   // tunnel_id is the ID of the tunnel to withdraw fee payer coins.
diff --git a/x/tunnel/keeper/msg_server.go b/x/tunnel/keeper/msg_server.go
index 2fe2c8231..72e5203e3 100644
--- a/x/tunnel/keeper/msg_server.go
+++ b/x/tunnel/keeper/msg_server.go
@@ -186,11 +186,21 @@ func (k msgServer) WithdrawFeePayerFunds(
 		return nil, types.ErrInvalidTunnelCreator.Wrapf("creator %s, tunnelID %d", msg.Creator, msg.TunnelID)
 	}
 
+	feePayer, err := sdk.AccAddressFromBech32(tunnel.FeePayer)
+	if err != nil {
+		return nil, err
+	}
+
+	creator, err := sdk.AccAddressFromBech32(msg.Creator)
+	if err != nil {
+		return nil, err
+	}
+
 	// send coins from the fee payer to the creator
 	if err := k.Keeper.bankKeeper.SendCoins(
 		ctx,
-		sdk.AccAddress(tunnel.FeePayer),
-		sdk.AccAddress(tunnel.Creator),
+		feePayer,
+		creator,
 		msg.Amount,
 	); err != nil {
 		return nil, err
diff --git a/x/tunnel/types/tx.pb.go b/x/tunnel/types/tx.pb.go
index a3fb0cf94..61e5045d0 100644
--- a/x/tunnel/types/tx.pb.go
+++ b/x/tunnel/types/tx.pb.go
@@ -1069,78 +1069,77 @@ func init() {
 func init() { proto.RegisterFile("band/tunnel/v1beta1/tx.proto", fileDescriptor_d18351d83b4705d0) }
 
 var fileDescriptor_d18351d83b4705d0 = []byte{
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 }
 
 // Reference imports to suppress errors if they are not otherwise used.

From 1e02510073607fb77ec8c2d80d0e963bf6ae52f5 Mon Sep 17 00:00:00 2001
From: Kitipong Sirirueangsakul <kitipong.sirir@gmail.com>
Date: Mon, 16 Dec 2024 16:54:06 +0700
Subject: [PATCH 6/8] fix typo

---
 api/band/tunnel/v1beta1/tx.pulsar.go |   6 +-
 proto/band/tunnel/v1beta1/tx.proto   |   4 +-
 x/tunnel/README.md                   |   4 +-
 x/tunnel/types/tx.pb.go              | 124 +++++++++++++--------------
 4 files changed, 69 insertions(+), 69 deletions(-)

diff --git a/api/band/tunnel/v1beta1/tx.pulsar.go b/api/band/tunnel/v1beta1/tx.pulsar.go
index d10b9f00b..470badaba 100644
--- a/api/band/tunnel/v1beta1/tx.pulsar.go
+++ b/api/band/tunnel/v1beta1/tx.pulsar.go
@@ -9674,7 +9674,7 @@ type MsgWithdrawFeePayerFunds struct {
 
 	// tunnel_id is the ID of the tunnel to withdraw fee payer coins.
 	TunnelId uint64 `protobuf:"varint,1,opt,name=tunnel_id,json=tunnelId,proto3" json:"tunnel_id,omitempty"`
-	// coins is the coins to withdraw.
+	// amount is the coins to withdraw.
 	Amount []*v1beta1.Coin `protobuf:"bytes,2,rep,name=amount,proto3" json:"amount,omitempty"`
 	// creator is the address of the creator.
 	Creator string `protobuf:"bytes,3,opt,name=creator,proto3" json:"creator,omitempty"`
@@ -10306,8 +10306,8 @@ var file_band_tunnel_v1beta1_tx_proto_rawDesc = []byte{
 	0x73, 0x53, 0x74, 0x72, 0x69, 0x6e, 0x67, 0x52, 0x07, 0x63, 0x72, 0x65, 0x61, 0x74, 0x6f, 0x72,
 	0x3a, 0x30, 0x82, 0xe7, 0xb0, 0x2a, 0x07, 0x63, 0x72, 0x65, 0x61, 0x74, 0x6f, 0x72, 0x8a, 0xe7,
 	0xb0, 0x2a, 0x1f, 0x74, 0x75, 0x6e, 0x6e, 0x65, 0x6c, 0x2f, 0x4d, 0x73, 0x67, 0x57, 0x69, 0x74,
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+	0x64, 0x73, 0x22, 0x22, 0x0a, 0x20, 0x4d, 0x73, 0x67, 0x57, 0x69, 0x74, 0x68, 0x64, 0x72, 0x61,
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 	0x73, 0x70, 0x6f, 0x6e, 0x73, 0x65, 0x22, 0x91, 0x01, 0x0a, 0x0b, 0x4d, 0x73, 0x67, 0x41, 0x63,
 	0x74, 0x69, 0x76, 0x61, 0x74, 0x65, 0x12, 0x29, 0x0a, 0x09, 0x74, 0x75, 0x6e, 0x6e, 0x65, 0x6c,
diff --git a/proto/band/tunnel/v1beta1/tx.proto b/proto/band/tunnel/v1beta1/tx.proto
index 2a7380068..fb80dc13d 100644
--- a/proto/band/tunnel/v1beta1/tx.proto
+++ b/proto/band/tunnel/v1beta1/tx.proto
@@ -111,11 +111,11 @@ message MsgUpdateSignalsAndIntervalResponse {}
 // MsgWithdrawFeePayerFunds is the transaction message to withdraw fee payer funds to creator.
 message MsgWithdrawFeePayerFunds {
   option (cosmos.msg.v1.signer) = "creator";
-  option (amino.name)           = "tunnel/MsgWithdrawFeePayerCoins";
+  option (amino.name)           = "tunnel/MsgWithdrawFeePayerFunds";
 
   // tunnel_id is the ID of the tunnel to withdraw fee payer coins.
   uint64 tunnel_id = 1 [(gogoproto.customname) = "TunnelID"];
-  // coins is the coins to withdraw.
+  // amount is the coins to withdraw.
   repeated cosmos.base.v1beta1.Coin amount = 2 [
     (gogoproto.nullable)     = false,
     (gogoproto.castrepeated) = "github.com/cosmos/cosmos-sdk/types.Coins",
diff --git a/x/tunnel/README.md b/x/tunnel/README.md
index f5457b383..156c90641 100644
--- a/x/tunnel/README.md
+++ b/x/tunnel/README.md
@@ -317,11 +317,11 @@ Allows the creator of a tunnel to withdraw funds from the fee payer to the creat
 // MsgWithdrawFeePayerFunds is the transaction message to withdraw fee payer funds to creator.
 message MsgWithdrawFeePayerFunds {
   option (cosmos.msg.v1.signer) = "creator";
-  option (amino.name)           = "tunnel/MsgWithdrawFeePayerCoins";
+  option (amino.name)           = "tunnel/MsgWithdrawFeePayerFunds";
 
   // tunnel_id is the ID of the tunnel to withdraw fee payer coins.
   uint64 tunnel_id = 1 [(gogoproto.customname) = "TunnelID"];
-  // coins is the coins to withdraw.
+  // amount is the coins to withdraw.
   repeated cosmos.base.v1beta1.Coin amount = 2 [
     (gogoproto.nullable)     = false,
     (gogoproto.castrepeated) = "github.com/cosmos/cosmos-sdk/types.Coins",
diff --git a/x/tunnel/types/tx.pb.go b/x/tunnel/types/tx.pb.go
index 61e5045d0..3a7d1d380 100644
--- a/x/tunnel/types/tx.pb.go
+++ b/x/tunnel/types/tx.pb.go
@@ -376,7 +376,7 @@ var xxx_messageInfo_MsgUpdateSignalsAndIntervalResponse proto.InternalMessageInf
 type MsgWithdrawFeePayerFunds struct {
 	// tunnel_id is the ID of the tunnel to withdraw fee payer coins.
 	TunnelID uint64 `protobuf:"varint,1,opt,name=tunnel_id,json=tunnelId,proto3" json:"tunnel_id,omitempty"`
-	// coins is the coins to withdraw.
+	// amount is the coins to withdraw.
 	Amount github_com_cosmos_cosmos_sdk_types.Coins `protobuf:"bytes,2,rep,name=amount,proto3,castrepeated=github.com/cosmos/cosmos-sdk/types.Coins" json:"amount"`
 	// creator is the address of the creator.
 	Creator string `protobuf:"bytes,3,opt,name=creator,proto3" json:"creator,omitempty"`
@@ -1069,77 +1069,77 @@ func init() {
 func init() { proto.RegisterFile("band/tunnel/v1beta1/tx.proto", fileDescriptor_d18351d83b4705d0) }
 
 var fileDescriptor_d18351d83b4705d0 = []byte{
-	// 1120 bytes of a gzipped FileDescriptorProto
+	// 1118 bytes of a gzipped FileDescriptorProto
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+	0x14, 0x4c, 0x1c, 0xf3, 0x04, 0xe6, 0xd2, 0x65, 0xe2, 0x46, 0x7f, 0x96, 0x09, 0xa0, 0x6a, 0x0c,
+	0x09, 0x14, 0x87, 0x51, 0x90, 0x33, 0xde, 0xd8, 0xf5, 0x73, 0xc3, 0x2a, 0xb0, 0xea, 0xd6, 0xf0,
+	0x58, 0x71, 0x6a, 0x0d, 0x66, 0x13, 0xaf, 0xd3, 0xf5, 0xc1, 0x17, 0x39, 0x40, 0xf5, 0x4f, 0xe6,
+	0xac, 0x87, 0x43, 0x9d, 0xf8, 0xdc, 0x7f, 0xa1, 0xcb, 0xfb, 0x2f, 0x8e, 0x0b, 0xd2, 0xcb, 0xe3,
+	0x82, 0xf4, 0xcf, 0x71, 0x41, 0xfa, 0xe6, 0xa4, 0x30, 0xf6, 0xf2, 0xa4, 0x30, 0xf6, 0xd7, 0x49,
+	0x61, 0xec, 0x63, 0x23, 0xf6, 0xd4, 0xfb, 0x1b, 0xb3, 0xbf, 0x36, 0x75, 0xdc, 0x34, 0xea, 0x0d,
+	0xd3, 0x71, 0x8d, 0xee, 0xb6, 0xf1, 0x2c, 0xfc, 0xff, 0xcc, 0xde, 0xfd, 0xda, 0x24, 0x43, 0x6c,
+	0xff, 0x1b, 0x00, 0x00, 0xff, 0xff, 0x5f, 0x6b, 0xc5, 0x2f, 0x48, 0x10, 0x00, 0x00,
 }
 
 // Reference imports to suppress errors if they are not otherwise used.

From fbda4eb8ab9068b7feb941303b242cfc87f291f8 Mon Sep 17 00:00:00 2001
From: Kitipong Sirirueangsakul <kitipong.sirir@gmail.com>
Date: Mon, 16 Dec 2024 17:04:37 +0700
Subject: [PATCH 7/8] fix test and add codec

---
 x/tunnel/keeper/msg_server_test.go | 4 ++--
 x/tunnel/types/codec.go            | 2 ++
 2 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/x/tunnel/keeper/msg_server_test.go b/x/tunnel/keeper/msg_server_test.go
index 67d3d1777..842a293b9 100644
--- a/x/tunnel/keeper/msg_server_test.go
+++ b/x/tunnel/keeper/msg_server_test.go
@@ -471,7 +471,7 @@ func (s *KeeperTestSuite) TestWithdrawFeePayerFunds() {
 				amount := sdk.NewCoins(sdk.NewInt64Coin("uband", 9999999999))
 
 				s.bankKeeper.EXPECT().
-					SendCoins(s.ctx, sdk.AccAddress(tunnel.FeePayer), sdk.AccAddress(creator), amount).
+					SendCoins(s.ctx, sdk.MustAccAddressFromBech32(tunnel.FeePayer), sdk.MustAccAddressFromBech32(creator), amount).
 					Return(sdkerrors.ErrInsufficientFunds).Times(1)
 
 				return &types.MsgWithdrawFeePayerFunds{
@@ -490,7 +490,7 @@ func (s *KeeperTestSuite) TestWithdrawFeePayerFunds() {
 				amount := sdk.NewCoins(sdk.NewInt64Coin("uband", 500))
 
 				s.bankKeeper.EXPECT().
-					SendCoins(s.ctx, sdk.AccAddress(tunnel.FeePayer), sdk.AccAddress(creator), amount).
+					SendCoins(s.ctx, sdk.MustAccAddressFromBech32(tunnel.FeePayer), sdk.MustAccAddressFromBech32(creator), amount).
 					Return(nil).Times(1)
 
 				return &types.MsgWithdrawFeePayerFunds{
diff --git a/x/tunnel/types/codec.go b/x/tunnel/types/codec.go
index df63d4b6e..a5e445c97 100644
--- a/x/tunnel/types/codec.go
+++ b/x/tunnel/types/codec.go
@@ -21,6 +21,7 @@ func RegisterLegacyAminoCodec(cdc *codec.LegacyAmino) {
 	legacy.RegisterAminoMsg(cdc, &MsgCreateTunnel{}, "tunnel/MsgCreateTunnel")
 	legacy.RegisterAminoMsg(cdc, &MsgUpdateRoute{}, "tunnel/MsgUpdateRoute")
 	legacy.RegisterAminoMsg(cdc, &MsgUpdateSignalsAndInterval{}, "tunnel/MsgUpdateSignalsAndInterval")
+	legacy.RegisterAminoMsg(cdc, &MsgWithdrawFeePayerFunds{}, "tunnel/MsgWithdrawFeePayerFunds")
 	legacy.RegisterAminoMsg(cdc, &MsgActivate{}, "tunnel/MsgActivate")
 	legacy.RegisterAminoMsg(cdc, &MsgDeactivate{}, "tunnel/MsgDeactivate")
 	legacy.RegisterAminoMsg(cdc, &MsgTriggerTunnel{}, "tunnel/MsgTriggerTunnel")
@@ -46,6 +47,7 @@ func RegisterInterfaces(registry codectypes.InterfaceRegistry) {
 		&MsgCreateTunnel{},
 		&MsgUpdateRoute{},
 		&MsgUpdateSignalsAndInterval{},
+		&MsgWithdrawFeePayerFunds{},
 		&MsgActivate{},
 		&MsgDeactivate{},
 		&MsgTriggerTunnel{},

From 65c86cee92608b97b231fe0794e1601fd0c18d0b Mon Sep 17 00:00:00 2001
From: satawatnack <satawat@bandprotocol.com>
Date: Tue, 17 Dec 2024 16:15:07 +0700
Subject: [PATCH 8/8] add scripts

---
 scripts/tunnel/withdraw_fee_payer_funds.sh | 1 +
 1 file changed, 1 insertion(+)
 create mode 100644 scripts/tunnel/withdraw_fee_payer_funds.sh

diff --git a/scripts/tunnel/withdraw_fee_payer_funds.sh b/scripts/tunnel/withdraw_fee_payer_funds.sh
new file mode 100644
index 000000000..41e2ef0b2
--- /dev/null
+++ b/scripts/tunnel/withdraw_fee_payer_funds.sh
@@ -0,0 +1 @@
+bandd tx tunnel withdraw-fee-payer-funds 1 1000000uband --from requester --keyring-backend test --gas-prices 0.0025uband -y --chain-id bandchain