api/cerc/auction/v1/auction.pulsar.go

@@ -767,6 +767,103 @@ func (x *fastReflection_Params) ProtoMethods() *protoiface.Methods {
 	}
 }
 
+var _ protoreflect.List = (*_Auction_10_list)(nil)
+
+type _Auction_10_list struct {
+	list *[]string
+}
+
+func (x *_Auction_10_list) Len() int {
+	if x.list == nil {
+		return 0
+	}
+	return len(*x.list)
+}
+
+func (x *_Auction_10_list) Get(i int) protoreflect.Value {
+	return protoreflect.ValueOfString((*x.list)[i])
+}
+
+func (x *_Auction_10_list) Set(i int, value protoreflect.Value) {
+	valueUnwrapped := value.String()
+	concreteValue := valueUnwrapped
+	(*x.list)[i] = concreteValue
+}
+
+func (x *_Auction_10_list) Append(value protoreflect.Value) {
+	valueUnwrapped := value.String()
+	concreteValue := valueUnwrapped
+	*x.list = append(*x.list, concreteValue)
+}
+
+func (x *_Auction_10_list) AppendMutable() protoreflect.Value {
+	panic(fmt.Errorf("AppendMutable can not be called on message Auction at list field WinnerAddresses as it is not of Message kind"))
+}
+
+func (x *_Auction_10_list) Truncate(n int) {
+	*x.list = (*x.list)[:n]
+}
+
+func (x *_Auction_10_list) NewElement() protoreflect.Value {
+	v := ""
+	return protoreflect.ValueOfString(v)
+}
+
+func (x *_Auction_10_list) IsValid() bool {
+	return x.list != nil
+}
+
+var _ protoreflect.List = (*_Auction_11_list)(nil)
+
+type _Auction_11_list struct {
+	list *[]*v1beta1.Coin
+}
+
+func (x *_Auction_11_list) Len() int {
+	if x.list == nil {
+		return 0
+	}
+	return len(*x.list)
+}
+
+func (x *_Auction_11_list) Get(i int) protoreflect.Value {
+	return protoreflect.ValueOfMessage((*x.list)[i].ProtoReflect())
+}
+
+func (x *_Auction_11_list) Set(i int, value protoreflect.Value) {
+	valueUnwrapped := value.Message()
+	concreteValue := valueUnwrapped.Interface().(*v1beta1.Coin)
+	(*x.list)[i] = concreteValue
+}
+
+func (x *_Auction_11_list) Append(value protoreflect.Value) {
+	valueUnwrapped := value.Message()
+	concreteValue := valueUnwrapped.Interface().(*v1beta1.Coin)
+	*x.list = append(*x.list, concreteValue)
+}
+
+func (x *_Auction_11_list) AppendMutable() protoreflect.Value {
+	v := new(v1beta1.Coin)
+	*x.list = append(*x.list, v)
+	return protoreflect.ValueOfMessage(v.ProtoReflect())
+}
+
+func (x *_Auction_11_list) Truncate(n int) {
+	for i := n; i < len(*x.list); i++ {
+		(*x.list)[i] = nil
+	}
+	*x.list = (*x.list)[:n]
+}
+
+func (x *_Auction_11_list) NewElement() protoreflect.Value {
+	v := new(v1beta1.Coin)
+	return protoreflect.ValueOfMessage(v.ProtoReflect())
+}
+
+func (x *_Auction_11_list) IsValid() bool {
+	return x.list != nil
+}
+
 var (
 	md_Auction                  protoreflect.MessageDescriptor
 	fd_Auction_id               protoreflect.FieldDescriptor
@@ -778,9 +875,12 @@ var (
 	fd_Auction_commit_fee       protoreflect.FieldDescriptor
 	fd_Auction_reveal_fee       protoreflect.FieldDescriptor
 	fd_Auction_minimum_bid      protoreflect.FieldDescriptor
-	fd_Auction_winner_address   protoreflect.FieldDescriptor
+	fd_Auction_winner_addresses protoreflect.FieldDescriptor
-	fd_Auction_winning_bid      protoreflect.FieldDescriptor
+	fd_Auction_winning_bids     protoreflect.FieldDescriptor
 	fd_Auction_winning_price    protoreflect.FieldDescriptor
+	fd_Auction_max_price        protoreflect.FieldDescriptor
+	fd_Auction_kind             protoreflect.FieldDescriptor
+	fd_Auction_num_providers    protoreflect.FieldDescriptor
 )
 
 func init() {
@@ -795,9 +895,12 @@ func init() {
 	fd_Auction_commit_fee = md_Auction.Fields().ByName("commit_fee")
 	fd_Auction_reveal_fee = md_Auction.Fields().ByName("reveal_fee")
 	fd_Auction_minimum_bid = md_Auction.Fields().ByName("minimum_bid")
-	fd_Auction_winner_address = md_Auction.Fields().ByName("winner_address")
+	fd_Auction_winner_addresses = md_Auction.Fields().ByName("winner_addresses")
-	fd_Auction_winning_bid = md_Auction.Fields().ByName("winning_bid")
+	fd_Auction_winning_bids = md_Auction.Fields().ByName("winning_bids")
 	fd_Auction_winning_price = md_Auction.Fields().ByName("winning_price")
+	fd_Auction_max_price = md_Auction.Fields().ByName("max_price")
+	fd_Auction_kind = md_Auction.Fields().ByName("kind")
+	fd_Auction_num_providers = md_Auction.Fields().ByName("num_providers")
 }
 
 var _ protoreflect.Message = (*fastReflection_Auction)(nil)
@@ -919,15 +1022,15 @@ func (x *fastReflection_Auction) Range(f func(protoreflect.FieldDescriptor, prot
 			return
 		}
 	}
-	if x.WinnerAddress != "" {
+	if len(x.WinnerAddresses) != 0 {
-		value := protoreflect.ValueOfString(x.WinnerAddress)
+		value := protoreflect.ValueOfList(&_Auction_10_list{list: &x.WinnerAddresses})
-		if !f(fd_Auction_winner_address, value) {
+		if !f(fd_Auction_winner_addresses, value) {
 			return
 		}
 	}
-	if x.WinningBid != nil {
+	if len(x.WinningBids) != 0 {
-		value := protoreflect.ValueOfMessage(x.WinningBid.ProtoReflect())
+		value := protoreflect.ValueOfList(&_Auction_11_list{list: &x.WinningBids})
-		if !f(fd_Auction_winning_bid, value) {
+		if !f(fd_Auction_winning_bids, value) {
 			return
 		}
 	}
@@ -937,6 +1040,24 @@ func (x *fastReflection_Auction) Range(f func(protoreflect.FieldDescriptor, prot
 			return
 		}
 	}
+	if x.MaxPrice != nil {
+		value := protoreflect.ValueOfMessage(x.MaxPrice.ProtoReflect())
+		if !f(fd_Auction_max_price, value) {
+			return
+		}
+	}
+	if x.Kind != "" {
+		value := protoreflect.ValueOfString(x.Kind)
+		if !f(fd_Auction_kind, value) {
+			return
+		}
+	}
+	if x.NumProviders != int32(0) {
+		value := protoreflect.ValueOfInt32(x.NumProviders)
+		if !f(fd_Auction_num_providers, value) {
+			return
+		}
+	}
 }
 
 // Has reports whether a field is populated.
@@ -970,12 +1091,18 @@ func (x *fastReflection_Auction) Has(fd protoreflect.FieldDescriptor) bool {
 		return x.RevealFee != nil
 	case "cerc.auction.v1.Auction.minimum_bid":
 		return x.MinimumBid != nil
-	case "cerc.auction.v1.Auction.winner_address":
+	case "cerc.auction.v1.Auction.winner_addresses":
-		return x.WinnerAddress != ""
+		return len(x.WinnerAddresses) != 0
-	case "cerc.auction.v1.Auction.winning_bid":
+	case "cerc.auction.v1.Auction.winning_bids":
-		return x.WinningBid != nil
+		return len(x.WinningBids) != 0
 	case "cerc.auction.v1.Auction.winning_price":
 		return x.WinningPrice != nil
+	case "cerc.auction.v1.Auction.max_price":
+		return x.MaxPrice != nil
+	case "cerc.auction.v1.Auction.kind":
+		return x.Kind != ""
+	case "cerc.auction.v1.Auction.num_providers":
+		return x.NumProviders != int32(0)
 	default:
 		if fd.IsExtension() {
 			panic(fmt.Errorf("proto3 declared messages do not support extensions: cerc.auction.v1.Auction"))
@@ -1010,12 +1137,18 @@ func (x *fastReflection_Auction) Clear(fd protoreflect.FieldDescriptor) {
 		x.RevealFee = nil
 	case "cerc.auction.v1.Auction.minimum_bid":
 		x.MinimumBid = nil
-	case "cerc.auction.v1.Auction.winner_address":
+	case "cerc.auction.v1.Auction.winner_addresses":
-		x.WinnerAddress = ""
+		x.WinnerAddresses = nil
-	case "cerc.auction.v1.Auction.winning_bid":
+	case "cerc.auction.v1.Auction.winning_bids":
-		x.WinningBid = nil
+		x.WinningBids = nil
 	case "cerc.auction.v1.Auction.winning_price":
 		x.WinningPrice = nil
+	case "cerc.auction.v1.Auction.max_price":
+		x.MaxPrice = nil
+	case "cerc.auction.v1.Auction.kind":
+		x.Kind = ""
+	case "cerc.auction.v1.Auction.num_providers":
+		x.NumProviders = int32(0)
 	default:
 		if fd.IsExtension() {
 			panic(fmt.Errorf("proto3 declared messages do not support extensions: cerc.auction.v1.Auction"))
@@ -1059,15 +1192,30 @@ func (x *fastReflection_Auction) Get(descriptor protoreflect.FieldDescriptor) pr
 	case "cerc.auction.v1.Auction.minimum_bid":
 		value := x.MinimumBid
 		return protoreflect.ValueOfMessage(value.ProtoReflect())
-	case "cerc.auction.v1.Auction.winner_address":
+	case "cerc.auction.v1.Auction.winner_addresses":
-		value := x.WinnerAddress
+		if len(x.WinnerAddresses) == 0 {
-		return protoreflect.ValueOfString(value)
+			return protoreflect.ValueOfList(&_Auction_10_list{})
-	case "cerc.auction.v1.Auction.winning_bid":
+		}
-		value := x.WinningBid
+		listValue := &_Auction_10_list{list: &x.WinnerAddresses}
-		return protoreflect.ValueOfMessage(value.ProtoReflect())
+		return protoreflect.ValueOfList(listValue)
+	case "cerc.auction.v1.Auction.winning_bids":
+		if len(x.WinningBids) == 0 {
+			return protoreflect.ValueOfList(&_Auction_11_list{})
+		}
+		listValue := &_Auction_11_list{list: &x.WinningBids}
+		return protoreflect.ValueOfList(listValue)
 	case "cerc.auction.v1.Auction.winning_price":
 		value := x.WinningPrice
 		return protoreflect.ValueOfMessage(value.ProtoReflect())
+	case "cerc.auction.v1.Auction.max_price":
+		value := x.MaxPrice
+		return protoreflect.ValueOfMessage(value.ProtoReflect())
+	case "cerc.auction.v1.Auction.kind":
+		value := x.Kind
+		return protoreflect.ValueOfString(value)
+	case "cerc.auction.v1.Auction.num_providers":
+		value := x.NumProviders
+		return protoreflect.ValueOfInt32(value)
 	default:
 		if descriptor.IsExtension() {
 			panic(fmt.Errorf("proto3 declared messages do not support extensions: cerc.auction.v1.Auction"))
@@ -1106,12 +1254,22 @@ func (x *fastReflection_Auction) Set(fd protoreflect.FieldDescriptor, value prot
 		x.RevealFee = value.Message().Interface().(*v1beta1.Coin)
 	case "cerc.auction.v1.Auction.minimum_bid":
 		x.MinimumBid = value.Message().Interface().(*v1beta1.Coin)
-	case "cerc.auction.v1.Auction.winner_address":
+	case "cerc.auction.v1.Auction.winner_addresses":
-		x.WinnerAddress = value.Interface().(string)
+		lv := value.List()
-	case "cerc.auction.v1.Auction.winning_bid":
+		clv := lv.(*_Auction_10_list)
-		x.WinningBid = value.Message().Interface().(*v1beta1.Coin)
+		x.WinnerAddresses = *clv.list
+	case "cerc.auction.v1.Auction.winning_bids":
+		lv := value.List()
+		clv := lv.(*_Auction_11_list)
+		x.WinningBids = *clv.list
 	case "cerc.auction.v1.Auction.winning_price":
 		x.WinningPrice = value.Message().Interface().(*v1beta1.Coin)
+	case "cerc.auction.v1.Auction.max_price":
+		x.MaxPrice = value.Message().Interface().(*v1beta1.Coin)
+	case "cerc.auction.v1.Auction.kind":
+		x.Kind = value.Interface().(string)
+	case "cerc.auction.v1.Auction.num_providers":
+		x.NumProviders = int32(value.Int())
 	default:
 		if fd.IsExtension() {
 			panic(fmt.Errorf("proto3 declared messages do not support extensions: cerc.auction.v1.Auction"))
@@ -1162,24 +1320,38 @@ func (x *fastReflection_Auction) Mutable(fd protoreflect.FieldDescriptor) protor
 			x.MinimumBid = new(v1beta1.Coin)
 		}
 		return protoreflect.ValueOfMessage(x.MinimumBid.ProtoReflect())
-	case "cerc.auction.v1.Auction.winning_bid":
+	case "cerc.auction.v1.Auction.winner_addresses":
-		if x.WinningBid == nil {
+		if x.WinnerAddresses == nil {
-			x.WinningBid = new(v1beta1.Coin)
+			x.WinnerAddresses = []string{}
 		}
-		return protoreflect.ValueOfMessage(x.WinningBid.ProtoReflect())
+		value := &_Auction_10_list{list: &x.WinnerAddresses}
+		return protoreflect.ValueOfList(value)
+	case "cerc.auction.v1.Auction.winning_bids":
+		if x.WinningBids == nil {
+			x.WinningBids = []*v1beta1.Coin{}
+		}
+		value := &_Auction_11_list{list: &x.WinningBids}
+		return protoreflect.ValueOfList(value)
 	case "cerc.auction.v1.Auction.winning_price":
 		if x.WinningPrice == nil {
 			x.WinningPrice = new(v1beta1.Coin)
 		}
 		return protoreflect.ValueOfMessage(x.WinningPrice.ProtoReflect())
+	case "cerc.auction.v1.Auction.max_price":
+		if x.MaxPrice == nil {
+			x.MaxPrice = new(v1beta1.Coin)
+		}
+		return protoreflect.ValueOfMessage(x.MaxPrice.ProtoReflect())
 	case "cerc.auction.v1.Auction.id":
 		panic(fmt.Errorf("field id of message cerc.auction.v1.Auction is not mutable"))
 	case "cerc.auction.v1.Auction.status":
 		panic(fmt.Errorf("field status of message cerc.auction.v1.Auction is not mutable"))
 	case "cerc.auction.v1.Auction.owner_address":
 		panic(fmt.Errorf("field owner_address of message cerc.auction.v1.Auction is not mutable"))
-	case "cerc.auction.v1.Auction.winner_address":
+	case "cerc.auction.v1.Auction.kind":
-		panic(fmt.Errorf("field winner_address of message cerc.auction.v1.Auction is not mutable"))
+		panic(fmt.Errorf("field kind of message cerc.auction.v1.Auction is not mutable"))
+	case "cerc.auction.v1.Auction.num_providers":
+		panic(fmt.Errorf("field num_providers of message cerc.auction.v1.Auction is not mutable"))
 	default:
 		if fd.IsExtension() {
 			panic(fmt.Errorf("proto3 declared messages do not support extensions: cerc.auction.v1.Auction"))
@@ -1217,14 +1389,22 @@ func (x *fastReflection_Auction) NewField(fd protoreflect.FieldDescriptor) proto
 	case "cerc.auction.v1.Auction.minimum_bid":
 		m := new(v1beta1.Coin)
 		return protoreflect.ValueOfMessage(m.ProtoReflect())
-	case "cerc.auction.v1.Auction.winner_address":
+	case "cerc.auction.v1.Auction.winner_addresses":
-		return protoreflect.ValueOfString("")
+		list := []string{}
-	case "cerc.auction.v1.Auction.winning_bid":
+		return protoreflect.ValueOfList(&_Auction_10_list{list: &list})
-		m := new(v1beta1.Coin)
+	case "cerc.auction.v1.Auction.winning_bids":
-		return protoreflect.ValueOfMessage(m.ProtoReflect())
+		list := []*v1beta1.Coin{}
+		return protoreflect.ValueOfList(&_Auction_11_list{list: &list})
 	case "cerc.auction.v1.Auction.winning_price":
 		m := new(v1beta1.Coin)
 		return protoreflect.ValueOfMessage(m.ProtoReflect())
+	case "cerc.auction.v1.Auction.max_price":
+		m := new(v1beta1.Coin)
+		return protoreflect.ValueOfMessage(m.ProtoReflect())
+	case "cerc.auction.v1.Auction.kind":
+		return protoreflect.ValueOfString("")
+	case "cerc.auction.v1.Auction.num_providers":
+		return protoreflect.ValueOfInt32(int32(0))
 	default:
 		if fd.IsExtension() {
 			panic(fmt.Errorf("proto3 declared messages do not support extensions: cerc.auction.v1.Auction"))
@@ -1330,18 +1510,33 @@ func (x *fastReflection_Auction) ProtoMethods() *protoiface.Methods {
 			l = options.Size(x.MinimumBid)
 			n += 1 + l + runtime.Sov(uint64(l))
 		}
-		l = len(x.WinnerAddress)
+		if len(x.WinnerAddresses) > 0 {
-		if l > 0 {
+			for _, s := range x.WinnerAddresses {
+				l = len(s)
 				n += 1 + l + runtime.Sov(uint64(l))
 			}
-		if x.WinningBid != nil {
+		}
-			l = options.Size(x.WinningBid)
+		if len(x.WinningBids) > 0 {
+			for _, e := range x.WinningBids {
+				l = options.Size(e)
 				n += 1 + l + runtime.Sov(uint64(l))
 			}
+		}
 		if x.WinningPrice != nil {
 			l = options.Size(x.WinningPrice)
 			n += 1 + l + runtime.Sov(uint64(l))
 		}
+		if x.MaxPrice != nil {
+			l = options.Size(x.MaxPrice)
+			n += 1 + l + runtime.Sov(uint64(l))
+		}
+		l = len(x.Kind)
+		if l > 0 {
+			n += 1 + l + runtime.Sov(uint64(l))
+		}
+		if x.NumProviders != 0 {
+			n += 1 + runtime.Sov(uint64(x.NumProviders))
+		}
 		if x.unknownFields != nil {
 			n += len(x.unknownFields)
 		}
@@ -1371,6 +1566,32 @@ func (x *fastReflection_Auction) ProtoMethods() *protoiface.Methods {
 			i -= len(x.unknownFields)
 			copy(dAtA[i:], x.unknownFields)
 		}
+		if x.NumProviders != 0 {
+			i = runtime.EncodeVarint(dAtA, i, uint64(x.NumProviders))
+			i--
+			dAtA[i] = 0x78
+		}
+		if len(x.Kind) > 0 {
+			i -= len(x.Kind)
+			copy(dAtA[i:], x.Kind)
+			i = runtime.EncodeVarint(dAtA, i, uint64(len(x.Kind)))
+			i--
+			dAtA[i] = 0x72
+		}
+		if x.MaxPrice != nil {
+			encoded, err := options.Marshal(x.MaxPrice)
+			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] = 0x6a
+		}
 		if x.WinningPrice != nil {
 			encoded, err := options.Marshal(x.WinningPrice)
 			if err != nil {
@@ -1385,8 +1606,9 @@ func (x *fastReflection_Auction) ProtoMethods() *protoiface.Methods {
 			i--
 			dAtA[i] = 0x62
 		}
-		if x.WinningBid != nil {
+		if len(x.WinningBids) > 0 {
-			encoded, err := options.Marshal(x.WinningBid)
+			for iNdEx := len(x.WinningBids) - 1; iNdEx >= 0; iNdEx-- {
+				encoded, err := options.Marshal(x.WinningBids[iNdEx])
 				if err != nil {
 					return protoiface.MarshalOutput{
 						NoUnkeyedLiterals: input.NoUnkeyedLiterals,
@@ -1399,13 +1621,16 @@ func (x *fastReflection_Auction) ProtoMethods() *protoiface.Methods {
 				i--
 				dAtA[i] = 0x5a
 			}
-		if len(x.WinnerAddress) > 0 {
+		}
-			i -= len(x.WinnerAddress)
+		if len(x.WinnerAddresses) > 0 {
-			copy(dAtA[i:], x.WinnerAddress)
+			for iNdEx := len(x.WinnerAddresses) - 1; iNdEx >= 0; iNdEx-- {
-			i = runtime.EncodeVarint(dAtA, i, uint64(len(x.WinnerAddress)))
+				i -= len(x.WinnerAddresses[iNdEx])
+				copy(dAtA[i:], x.WinnerAddresses[iNdEx])
+				i = runtime.EncodeVarint(dAtA, i, uint64(len(x.WinnerAddresses[iNdEx])))
 				i--
 				dAtA[i] = 0x52
 			}
+		}
 		if x.MinimumBid != nil {
 			encoded, err := options.Marshal(x.MinimumBid)
 			if err != nil {
@@ -1874,7 +2099,7 @@ func (x *fastReflection_Auction) ProtoMethods() *protoiface.Methods {
 				iNdEx = postIndex
 			case 10:
 				if wireType != 2 {
-					return protoiface.UnmarshalOutput{NoUnkeyedLiterals: input.NoUnkeyedLiterals, Flags: input.Flags}, fmt.Errorf("proto: wrong wireType = %d for field WinnerAddress", wireType)
+					return protoiface.UnmarshalOutput{NoUnkeyedLiterals: input.NoUnkeyedLiterals, Flags: input.Flags}, fmt.Errorf("proto: wrong wireType = %d for field WinnerAddresses", wireType)
 				}
 				var stringLen uint64
 				for shift := uint(0); ; shift += 7 {
@@ -1902,11 +2127,11 @@ func (x *fastReflection_Auction) ProtoMethods() *protoiface.Methods {
 				if postIndex > l {
 					return protoiface.UnmarshalOutput{NoUnkeyedLiterals: input.NoUnkeyedLiterals, Flags: input.Flags}, io.ErrUnexpectedEOF
 				}
-				x.WinnerAddress = string(dAtA[iNdEx:postIndex])
+				x.WinnerAddresses = append(x.WinnerAddresses, string(dAtA[iNdEx:postIndex]))
 				iNdEx = postIndex
 			case 11:
 				if wireType != 2 {
-					return protoiface.UnmarshalOutput{NoUnkeyedLiterals: input.NoUnkeyedLiterals, Flags: input.Flags}, fmt.Errorf("proto: wrong wireType = %d for field WinningBid", wireType)
+					return protoiface.UnmarshalOutput{NoUnkeyedLiterals: input.NoUnkeyedLiterals, Flags: input.Flags}, fmt.Errorf("proto: wrong wireType = %d for field WinningBids", wireType)
 				}
 				var msglen int
 				for shift := uint(0); ; shift += 7 {
@@ -1933,10 +2158,8 @@ func (x *fastReflection_Auction) ProtoMethods() *protoiface.Methods {
 				if postIndex > l {
 					return protoiface.UnmarshalOutput{NoUnkeyedLiterals: input.NoUnkeyedLiterals, Flags: input.Flags}, io.ErrUnexpectedEOF
 				}
-				if x.WinningBid == nil {
+				x.WinningBids = append(x.WinningBids, &v1beta1.Coin{})
-					x.WinningBid = &v1beta1.Coin{}
+				if err := options.Unmarshal(dAtA[iNdEx:postIndex], x.WinningBids[len(x.WinningBids)-1]); err != nil {
-				}
-				if err := options.Unmarshal(dAtA[iNdEx:postIndex], x.WinningBid); err != nil {
 					return protoiface.UnmarshalOutput{NoUnkeyedLiterals: input.NoUnkeyedLiterals, Flags: input.Flags}, err
 				}
 				iNdEx = postIndex
@@ -1976,6 +2199,93 @@ func (x *fastReflection_Auction) ProtoMethods() *protoiface.Methods {
 					return protoiface.UnmarshalOutput{NoUnkeyedLiterals: input.NoUnkeyedLiterals, Flags: input.Flags}, err
 				}
 				iNdEx = postIndex
+			case 13:
+				if wireType != 2 {
+					return protoiface.UnmarshalOutput{NoUnkeyedLiterals: input.NoUnkeyedLiterals, Flags: input.Flags}, fmt.Errorf("proto: wrong wireType = %d for field MaxPrice", 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
+				}
+				if x.MaxPrice == nil {
+					x.MaxPrice = &v1beta1.Coin{}
+				}
+				if err := options.Unmarshal(dAtA[iNdEx:postIndex], x.MaxPrice); err != nil {
+					return protoiface.UnmarshalOutput{NoUnkeyedLiterals: input.NoUnkeyedLiterals, Flags: input.Flags}, err
+				}
+				iNdEx = postIndex
+			case 14:
+				if wireType != 2 {
+					return protoiface.UnmarshalOutput{NoUnkeyedLiterals: input.NoUnkeyedLiterals, Flags: input.Flags}, fmt.Errorf("proto: wrong wireType = %d for field Kind", 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.Kind = string(dAtA[iNdEx:postIndex])
+				iNdEx = postIndex
+			case 15:
+				if wireType != 0 {
+					return protoiface.UnmarshalOutput{NoUnkeyedLiterals: input.NoUnkeyedLiterals, Flags: input.Flags}, fmt.Errorf("proto: wrong wireType = %d for field NumProviders", wireType)
+				}
+				x.NumProviders = 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.NumProviders |= int32(b&0x7F) << shift
+					if b < 0x80 {
+						break
+					}
+				}
 			default:
 				iNdEx = preIndex
 				skippy, err := runtime.Skip(dAtA[iNdEx:])
@@ -3620,12 +3930,18 @@ type Auction struct {
 	RevealFee *v1beta1.Coin `protobuf:"bytes,8,opt,name=reveal_fee,json=revealFee,proto3" json:"reveal_fee,omitempty"`
 	// Minimum acceptable bid amount for a valid commit
 	MinimumBid *v1beta1.Coin `protobuf:"bytes,9,opt,name=minimum_bid,json=minimumBid,proto3" json:"minimum_bid,omitempty"`
-	// Address of the winner
+	// Addresses of the winners
-	WinnerAddress string `protobuf:"bytes,10,opt,name=winner_address,json=winnerAddress,proto3" json:"winner_address,omitempty"`
+	WinnerAddresses []string `protobuf:"bytes,10,rep,name=winner_addresses,json=winnerAddresses,proto3" json:"winner_addresses,omitempty"`
-	// Winning bid, i.e., the highest bid
+	// Winning bids, i.e., the best bids
-	WinningBid *v1beta1.Coin `protobuf:"bytes,11,opt,name=winning_bid,json=winningBid,proto3" json:"winning_bid,omitempty"`
+	WinningBids []*v1beta1.Coin `protobuf:"bytes,11,rep,name=winning_bids,json=winningBids,proto3" json:"winning_bids,omitempty"`
-	// Amount the winner pays, i.e. the second highest auction
+	// Amount the winner pays, i.e. the second best bid
 	WinningPrice *v1beta1.Coin `protobuf:"bytes,12,opt,name=winning_price,json=winningPrice,proto3" json:"winning_price,omitempty"`
+	// Maximum acceptable bid amount for a valid commit for reverse auctions
+	MaxPrice *v1beta1.Coin `protobuf:"bytes,13,opt,name=max_price,json=maxPrice,proto3" json:"max_price,omitempty"`
+	// Auction kind can be vickrey or service_provider
+	Kind string `protobuf:"bytes,14,opt,name=kind,proto3" json:"kind,omitempty"`
+	// Number of providers to be selected
+	NumProviders int32 `protobuf:"varint,15,opt,name=num_providers,json=numProviders,proto3" json:"num_providers,omitempty"`
 }
 
 func (x *Auction) Reset() {
@@ -3711,16 +4027,16 @@ func (x *Auction) GetMinimumBid() *v1beta1.Coin {
 	return nil
 }
 
-func (x *Auction) GetWinnerAddress() string {
+func (x *Auction) GetWinnerAddresses() []string {
 	if x != nil {
-		return x.WinnerAddress
+		return x.WinnerAddresses
 	}
-	return ""
+	return nil
 }
 
-func (x *Auction) GetWinningBid() *v1beta1.Coin {
+func (x *Auction) GetWinningBids() []*v1beta1.Coin {
 	if x != nil {
-		return x.WinningBid
+		return x.WinningBids
 	}
 	return nil
 }
@@ -3732,6 +4048,27 @@ func (x *Auction) GetWinningPrice() *v1beta1.Coin {
 	return nil
 }
 
+func (x *Auction) GetMaxPrice() *v1beta1.Coin {
+	if x != nil {
+		return x.MaxPrice
+	}
+	return nil
+}
+
+func (x *Auction) GetKind() string {
+	if x != nil {
+		return x.Kind
+	}
+	return ""
+}
+
+func (x *Auction) GetNumProviders() int32 {
+	if x != nil {
+		return x.NumProviders
+	}
+	return 0
+}
+
 // Auctions represent all the auctions in the module
 type Auctions struct {
 	state         protoimpl.MessageState
@@ -3918,7 +4255,7 @@ var file_cerc_auction_v1_auction_proto_rawDesc = []byte{
 	0x1f, 0x25, 0x6a, 0x73, 0x6f, 0x6e, 0x3a, 0x22, 0x6d, 0x69, 0x6e, 0x69, 0x6d, 0x75, 0x6d, 0x5f,
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@@ -3967,83 +4304,95 @@ var file_cerc_auction_v1_auction_proto_rawDesc = []byte{
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 }
 
 var (
@@ -4080,19 +4429,20 @@ var file_cerc_auction_v1_auction_proto_depIdxs = []int32{
 	5,  // 8: cerc.auction.v1.Auction.commit_fee:type_name -> cosmos.base.v1beta1.Coin
 	5,  // 9: cerc.auction.v1.Auction.reveal_fee:type_name -> cosmos.base.v1beta1.Coin
 	5,  // 10: cerc.auction.v1.Auction.minimum_bid:type_name -> cosmos.base.v1beta1.Coin
-	5,  // 11: cerc.auction.v1.Auction.winning_bid:type_name -> cosmos.base.v1beta1.Coin
+	5,  // 11: cerc.auction.v1.Auction.winning_bids:type_name -> cosmos.base.v1beta1.Coin
 	5,  // 12: cerc.auction.v1.Auction.winning_price:type_name -> cosmos.base.v1beta1.Coin
-	1,  // 13: cerc.auction.v1.Auctions.auctions:type_name -> cerc.auction.v1.Auction
+	5,  // 13: cerc.auction.v1.Auction.max_price:type_name -> cosmos.base.v1beta1.Coin
-	6,  // 14: cerc.auction.v1.Bid.commit_time:type_name -> google.protobuf.Timestamp
+	1,  // 14: cerc.auction.v1.Auctions.auctions:type_name -> cerc.auction.v1.Auction
-	5,  // 15: cerc.auction.v1.Bid.commit_fee:type_name -> cosmos.base.v1beta1.Coin
+	6,  // 15: cerc.auction.v1.Bid.commit_time:type_name -> google.protobuf.Timestamp
-	6,  // 16: cerc.auction.v1.Bid.reveal_time:type_name -> google.protobuf.Timestamp
+	5,  // 16: cerc.auction.v1.Bid.commit_fee:type_name -> cosmos.base.v1beta1.Coin
-	5,  // 17: cerc.auction.v1.Bid.reveal_fee:type_name -> cosmos.base.v1beta1.Coin
+	6,  // 17: cerc.auction.v1.Bid.reveal_time:type_name -> google.protobuf.Timestamp
-	5,  // 18: cerc.auction.v1.Bid.bid_amount:type_name -> cosmos.base.v1beta1.Coin
+	5,  // 18: cerc.auction.v1.Bid.reveal_fee:type_name -> cosmos.base.v1beta1.Coin
-	19, // [19:19] is the sub-list for method output_type
+	5,  // 19: cerc.auction.v1.Bid.bid_amount:type_name -> cosmos.base.v1beta1.Coin
-	19, // [19:19] is the sub-list for method input_type
+	20, // [20:20] is the sub-list for method output_type
-	19, // [19:19] is the sub-list for extension type_name
+	20, // [20:20] is the sub-list for method input_type
-	19, // [19:19] is the sub-list for extension extendee
+	20, // [20:20] is the sub-list for extension type_name
-	0,  // [0:19] is the sub-list for field type_name
+	20, // [20:20] is the sub-list for extension extendee
+	0,  // [0:20] is the sub-list for field type_name
 }
 
 func init() { file_cerc_auction_v1_auction_proto_init() }

api/cerc/auction/v1/tx.pulsar.go

@@ -26,6 +26,9 @@ var (
 	fd_MsgCreateAuction_reveal_fee       protoreflect.FieldDescriptor
 	fd_MsgCreateAuction_minimum_bid      protoreflect.FieldDescriptor
 	fd_MsgCreateAuction_signer           protoreflect.FieldDescriptor
+	fd_MsgCreateAuction_max_price        protoreflect.FieldDescriptor
+	fd_MsgCreateAuction_kind             protoreflect.FieldDescriptor
+	fd_MsgCreateAuction_num_providers    protoreflect.FieldDescriptor
 )
 
 func init() {
@@ -37,6 +40,9 @@ func init() {
 	fd_MsgCreateAuction_reveal_fee = md_MsgCreateAuction.Fields().ByName("reveal_fee")
 	fd_MsgCreateAuction_minimum_bid = md_MsgCreateAuction.Fields().ByName("minimum_bid")
 	fd_MsgCreateAuction_signer = md_MsgCreateAuction.Fields().ByName("signer")
+	fd_MsgCreateAuction_max_price = md_MsgCreateAuction.Fields().ByName("max_price")
+	fd_MsgCreateAuction_kind = md_MsgCreateAuction.Fields().ByName("kind")
+	fd_MsgCreateAuction_num_providers = md_MsgCreateAuction.Fields().ByName("num_providers")
 }
 
 var _ protoreflect.Message = (*fastReflection_MsgCreateAuction)(nil)
@@ -140,6 +146,24 @@ func (x *fastReflection_MsgCreateAuction) Range(f func(protoreflect.FieldDescrip
 			return
 		}
 	}
+	if x.MaxPrice != nil {
+		value := protoreflect.ValueOfMessage(x.MaxPrice.ProtoReflect())
+		if !f(fd_MsgCreateAuction_max_price, value) {
+			return
+		}
+	}
+	if x.Kind != "" {
+		value := protoreflect.ValueOfString(x.Kind)
+		if !f(fd_MsgCreateAuction_kind, value) {
+			return
+		}
+	}
+	if x.NumProviders != int32(0) {
+		value := protoreflect.ValueOfInt32(x.NumProviders)
+		if !f(fd_MsgCreateAuction_num_providers, value) {
+			return
+		}
+	}
 }
 
 // Has reports whether a field is populated.
@@ -167,6 +191,12 @@ func (x *fastReflection_MsgCreateAuction) Has(fd protoreflect.FieldDescriptor) b
 		return x.MinimumBid != nil
 	case "cerc.auction.v1.MsgCreateAuction.signer":
 		return x.Signer != ""
+	case "cerc.auction.v1.MsgCreateAuction.max_price":
+		return x.MaxPrice != nil
+	case "cerc.auction.v1.MsgCreateAuction.kind":
+		return x.Kind != ""
+	case "cerc.auction.v1.MsgCreateAuction.num_providers":
+		return x.NumProviders != int32(0)
 	default:
 		if fd.IsExtension() {
 			panic(fmt.Errorf("proto3 declared messages do not support extensions: cerc.auction.v1.MsgCreateAuction"))
@@ -195,6 +225,12 @@ func (x *fastReflection_MsgCreateAuction) Clear(fd protoreflect.FieldDescriptor)
 		x.MinimumBid = nil
 	case "cerc.auction.v1.MsgCreateAuction.signer":
 		x.Signer = ""
+	case "cerc.auction.v1.MsgCreateAuction.max_price":
+		x.MaxPrice = nil
+	case "cerc.auction.v1.MsgCreateAuction.kind":
+		x.Kind = ""
+	case "cerc.auction.v1.MsgCreateAuction.num_providers":
+		x.NumProviders = int32(0)
 	default:
 		if fd.IsExtension() {
 			panic(fmt.Errorf("proto3 declared messages do not support extensions: cerc.auction.v1.MsgCreateAuction"))
@@ -229,6 +265,15 @@ func (x *fastReflection_MsgCreateAuction) Get(descriptor protoreflect.FieldDescr
 	case "cerc.auction.v1.MsgCreateAuction.signer":
 		value := x.Signer
 		return protoreflect.ValueOfString(value)
+	case "cerc.auction.v1.MsgCreateAuction.max_price":
+		value := x.MaxPrice
+		return protoreflect.ValueOfMessage(value.ProtoReflect())
+	case "cerc.auction.v1.MsgCreateAuction.kind":
+		value := x.Kind
+		return protoreflect.ValueOfString(value)
+	case "cerc.auction.v1.MsgCreateAuction.num_providers":
+		value := x.NumProviders
+		return protoreflect.ValueOfInt32(value)
 	default:
 		if descriptor.IsExtension() {
 			panic(fmt.Errorf("proto3 declared messages do not support extensions: cerc.auction.v1.MsgCreateAuction"))
@@ -261,6 +306,12 @@ func (x *fastReflection_MsgCreateAuction) Set(fd protoreflect.FieldDescriptor, v
 		x.MinimumBid = value.Message().Interface().(*v1beta1.Coin)
 	case "cerc.auction.v1.MsgCreateAuction.signer":
 		x.Signer = value.Interface().(string)
+	case "cerc.auction.v1.MsgCreateAuction.max_price":
+		x.MaxPrice = value.Message().Interface().(*v1beta1.Coin)
+	case "cerc.auction.v1.MsgCreateAuction.kind":
+		x.Kind = value.Interface().(string)
+	case "cerc.auction.v1.MsgCreateAuction.num_providers":
+		x.NumProviders = int32(value.Int())
 	default:
 		if fd.IsExtension() {
 			panic(fmt.Errorf("proto3 declared messages do not support extensions: cerc.auction.v1.MsgCreateAuction"))
@@ -306,8 +357,17 @@ func (x *fastReflection_MsgCreateAuction) Mutable(fd protoreflect.FieldDescripto
 			x.MinimumBid = new(v1beta1.Coin)
 		}
 		return protoreflect.ValueOfMessage(x.MinimumBid.ProtoReflect())
+	case "cerc.auction.v1.MsgCreateAuction.max_price":
+		if x.MaxPrice == nil {
+			x.MaxPrice = new(v1beta1.Coin)
+		}
+		return protoreflect.ValueOfMessage(x.MaxPrice.ProtoReflect())
 	case "cerc.auction.v1.MsgCreateAuction.signer":
 		panic(fmt.Errorf("field signer of message cerc.auction.v1.MsgCreateAuction is not mutable"))
+	case "cerc.auction.v1.MsgCreateAuction.kind":
+		panic(fmt.Errorf("field kind of message cerc.auction.v1.MsgCreateAuction is not mutable"))
+	case "cerc.auction.v1.MsgCreateAuction.num_providers":
+		panic(fmt.Errorf("field num_providers of message cerc.auction.v1.MsgCreateAuction is not mutable"))
 	default:
 		if fd.IsExtension() {
 			panic(fmt.Errorf("proto3 declared messages do not support extensions: cerc.auction.v1.MsgCreateAuction"))
@@ -338,6 +398,13 @@ func (x *fastReflection_MsgCreateAuction) NewField(fd protoreflect.FieldDescript
 		return protoreflect.ValueOfMessage(m.ProtoReflect())
 	case "cerc.auction.v1.MsgCreateAuction.signer":
 		return protoreflect.ValueOfString("")
+	case "cerc.auction.v1.MsgCreateAuction.max_price":
+		m := new(v1beta1.Coin)
+		return protoreflect.ValueOfMessage(m.ProtoReflect())
+	case "cerc.auction.v1.MsgCreateAuction.kind":
+		return protoreflect.ValueOfString("")
+	case "cerc.auction.v1.MsgCreateAuction.num_providers":
+		return protoreflect.ValueOfInt32(int32(0))
 	default:
 		if fd.IsExtension() {
 			panic(fmt.Errorf("proto3 declared messages do not support extensions: cerc.auction.v1.MsgCreateAuction"))
@@ -431,6 +498,17 @@ func (x *fastReflection_MsgCreateAuction) ProtoMethods() *protoiface.Methods {
 		if l > 0 {
 			n += 1 + l + runtime.Sov(uint64(l))
 		}
+		if x.MaxPrice != nil {
+			l = options.Size(x.MaxPrice)
+			n += 1 + l + runtime.Sov(uint64(l))
+		}
+		l = len(x.Kind)
+		if l > 0 {
+			n += 1 + l + runtime.Sov(uint64(l))
+		}
+		if x.NumProviders != 0 {
+			n += 1 + runtime.Sov(uint64(x.NumProviders))
+		}
 		if x.unknownFields != nil {
 			n += len(x.unknownFields)
 		}
@@ -460,6 +538,32 @@ func (x *fastReflection_MsgCreateAuction) ProtoMethods() *protoiface.Methods {
 			i -= len(x.unknownFields)
 			copy(dAtA[i:], x.unknownFields)
 		}
+		if x.NumProviders != 0 {
+			i = runtime.EncodeVarint(dAtA, i, uint64(x.NumProviders))
+			i--
+			dAtA[i] = 0x48
+		}
+		if len(x.Kind) > 0 {
+			i -= len(x.Kind)
+			copy(dAtA[i:], x.Kind)
+			i = runtime.EncodeVarint(dAtA, i, uint64(len(x.Kind)))
+			i--
+			dAtA[i] = 0x42
+		}
+		if x.MaxPrice != nil {
+			encoded, err := options.Marshal(x.MaxPrice)
+			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] = 0x3a
+		}
 		if len(x.Signer) > 0 {
 			i -= len(x.Signer)
 			copy(dAtA[i:], x.Signer)
@@ -798,6 +902,93 @@ func (x *fastReflection_MsgCreateAuction) ProtoMethods() *protoiface.Methods {
 				}
 				x.Signer = string(dAtA[iNdEx:postIndex])
 				iNdEx = postIndex
+			case 7:
+				if wireType != 2 {
+					return protoiface.UnmarshalOutput{NoUnkeyedLiterals: input.NoUnkeyedLiterals, Flags: input.Flags}, fmt.Errorf("proto: wrong wireType = %d for field MaxPrice", 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
+				}
+				if x.MaxPrice == nil {
+					x.MaxPrice = &v1beta1.Coin{}
+				}
+				if err := options.Unmarshal(dAtA[iNdEx:postIndex], x.MaxPrice); err != nil {
+					return protoiface.UnmarshalOutput{NoUnkeyedLiterals: input.NoUnkeyedLiterals, Flags: input.Flags}, err
+				}
+				iNdEx = postIndex
+			case 8:
+				if wireType != 2 {
+					return protoiface.UnmarshalOutput{NoUnkeyedLiterals: input.NoUnkeyedLiterals, Flags: input.Flags}, fmt.Errorf("proto: wrong wireType = %d for field Kind", 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.Kind = string(dAtA[iNdEx:postIndex])
+				iNdEx = postIndex
+			case 9:
+				if wireType != 0 {
+					return protoiface.UnmarshalOutput{NoUnkeyedLiterals: input.NoUnkeyedLiterals, Flags: input.Flags}, fmt.Errorf("proto: wrong wireType = %d for field NumProviders", wireType)
+				}
+				x.NumProviders = 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.NumProviders |= int32(b&0x7F) << shift
+					if b < 0x80 {
+						break
+					}
+				}
 			default:
 				iNdEx = preIndex
 				skippy, err := runtime.Skip(dAtA[iNdEx:])
@@ -4120,6 +4311,12 @@ type MsgCreateAuction struct {
 	MinimumBid *v1beta1.Coin `protobuf:"bytes,5,opt,name=minimum_bid,json=minimumBid,proto3" json:"minimum_bid,omitempty"`
 	// Address of the signer
 	Signer string `protobuf:"bytes,6,opt,name=signer,proto3" json:"signer,omitempty"`
+	// Maximum acceptable bid amount (for reverse auctions)
+	MaxPrice *v1beta1.Coin `protobuf:"bytes,7,opt,name=max_price,json=maxPrice,proto3" json:"max_price,omitempty"`
+	// Auction kind can be vickrey or service_provider
+	Kind string `protobuf:"bytes,8,opt,name=kind,proto3" json:"kind,omitempty"`
+	// Number of providers to be selected
+	NumProviders int32 `protobuf:"varint,9,opt,name=num_providers,json=numProviders,proto3" json:"num_providers,omitempty"`
 }
 
 func (x *MsgCreateAuction) Reset() {
@@ -4184,6 +4381,27 @@ func (x *MsgCreateAuction) GetSigner() string {
 	return ""
 }
 
+func (x *MsgCreateAuction) GetMaxPrice() *v1beta1.Coin {
+	if x != nil {
+		return x.MaxPrice
+	}
+	return nil
+}
+
+func (x *MsgCreateAuction) GetKind() string {
+	if x != nil {
+		return x.Kind
+	}
+	return ""
+}
+
+func (x *MsgCreateAuction) GetNumProviders() int32 {
+	if x != nil {
+		return x.NumProviders
+	}
+	return 0
+}
+
 // MsgCreateAuctionResponse returns the details of the created auction
 type MsgCreateAuctionResponse struct {
 	state         protoimpl.MessageState
@@ -4500,7 +4718,7 @@ var file_cerc_auction_v1_tx_proto_rawDesc = []byte{
 	0x5f, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x2f, 0x63, 0x6f, 0x73, 0x6d, 0x6f, 0x73, 0x2e, 0x70, 0x72,
 	0x6f, 0x74, 0x6f, 0x1a, 0x1d, 0x63, 0x65, 0x72, 0x63, 0x2f, 0x61, 0x75, 0x63, 0x74, 0x69, 0x6f,
 	0x6e, 0x2f, 0x76, 0x31, 0x2f, 0x61, 0x75, 0x63, 0x74, 0x69, 0x6f, 0x6e, 0x2e, 0x70, 0x72, 0x6f,
-	0x74, 0x6f, 0x22, 0x9d, 0x05, 0x0a, 0x10, 0x4d, 0x73, 0x67, 0x43, 0x72, 0x65, 0x61, 0x74, 0x65,
+	0x74, 0x6f, 0x22, 0xd6, 0x06, 0x0a, 0x10, 0x4d, 0x73, 0x67, 0x43, 0x72, 0x65, 0x61, 0x74, 0x65,
 	0x41, 0x75, 0x63, 0x74, 0x69, 0x6f, 0x6e, 0x12, 0x81, 0x01, 0x0a, 0x10, 0x63, 0x6f, 0x6d, 0x6d,
 	0x69, 0x74, 0x73, 0x5f, 0x64, 0x75, 0x72, 0x61, 0x74, 0x69, 0x6f, 0x6e, 0x18, 0x01, 0x20, 0x01,
 	0x28, 0x0b, 0x32, 0x19, 0x2e, 0x67, 0x6f, 0x6f, 0x67, 0x6c, 0x65, 0x2e, 0x70, 0x72, 0x6f, 0x74,
@@ -4541,110 +4759,122 @@ var file_cerc_auction_v1_tx_proto_rawDesc = []byte{
 	0x65, 0x72, 0x18, 0x06, 0x20, 0x01, 0x28, 0x09, 0x42, 0x1f, 0xf2, 0xde, 0x1f, 0x1b, 0x6a, 0x73,
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 }
 
 var (
@@ -4681,23 +4911,24 @@ var file_cerc_auction_v1_tx_proto_depIdxs = []int32{
 	9,  // 2: cerc.auction.v1.MsgCreateAuction.commit_fee:type_name -> cosmos.base.v1beta1.Coin
 	9,  // 3: cerc.auction.v1.MsgCreateAuction.reveal_fee:type_name -> cosmos.base.v1beta1.Coin
 	9,  // 4: cerc.auction.v1.MsgCreateAuction.minimum_bid:type_name -> cosmos.base.v1beta1.Coin
-	10, // 5: cerc.auction.v1.MsgCreateAuctionResponse.auction:type_name -> cerc.auction.v1.Auction
+	9,  // 5: cerc.auction.v1.MsgCreateAuction.max_price:type_name -> cosmos.base.v1beta1.Coin
-	11, // 6: cerc.auction.v1.MsgCommitBidResponse.bid:type_name -> cerc.auction.v1.Bid
+	10, // 6: cerc.auction.v1.MsgCreateAuctionResponse.auction:type_name -> cerc.auction.v1.Auction
-	10, // 7: cerc.auction.v1.MsgRevealBidResponse.auction:type_name -> cerc.auction.v1.Auction
+	11, // 7: cerc.auction.v1.MsgCommitBidResponse.bid:type_name -> cerc.auction.v1.Bid
-	12, // 8: cerc.auction.v1.MsgUpdateParams.params:type_name -> cerc.auction.v1.Params
+	10, // 8: cerc.auction.v1.MsgRevealBidResponse.auction:type_name -> cerc.auction.v1.Auction
-	0,  // 9: cerc.auction.v1.Msg.CreateAuction:input_type -> cerc.auction.v1.MsgCreateAuction
+	12, // 9: cerc.auction.v1.MsgUpdateParams.params:type_name -> cerc.auction.v1.Params
-	2,  // 10: cerc.auction.v1.Msg.CommitBid:input_type -> cerc.auction.v1.MsgCommitBid
+	0,  // 10: cerc.auction.v1.Msg.CreateAuction:input_type -> cerc.auction.v1.MsgCreateAuction
-	4,  // 11: cerc.auction.v1.Msg.RevealBid:input_type -> cerc.auction.v1.MsgRevealBid
+	2,  // 11: cerc.auction.v1.Msg.CommitBid:input_type -> cerc.auction.v1.MsgCommitBid
-	6,  // 12: cerc.auction.v1.Msg.UpdateParams:input_type -> cerc.auction.v1.MsgUpdateParams
+	4,  // 12: cerc.auction.v1.Msg.RevealBid:input_type -> cerc.auction.v1.MsgRevealBid
-	1,  // 13: cerc.auction.v1.Msg.CreateAuction:output_type -> cerc.auction.v1.MsgCreateAuctionResponse
+	6,  // 13: cerc.auction.v1.Msg.UpdateParams:input_type -> cerc.auction.v1.MsgUpdateParams
-	3,  // 14: cerc.auction.v1.Msg.CommitBid:output_type -> cerc.auction.v1.MsgCommitBidResponse
+	1,  // 14: cerc.auction.v1.Msg.CreateAuction:output_type -> cerc.auction.v1.MsgCreateAuctionResponse
-	5,  // 15: cerc.auction.v1.Msg.RevealBid:output_type -> cerc.auction.v1.MsgRevealBidResponse
+	3,  // 15: cerc.auction.v1.Msg.CommitBid:output_type -> cerc.auction.v1.MsgCommitBidResponse
-	7,  // 16: cerc.auction.v1.Msg.UpdateParams:output_type -> cerc.auction.v1.MsgUpdateParamsResponse
+	5,  // 16: cerc.auction.v1.Msg.RevealBid:output_type -> cerc.auction.v1.MsgRevealBidResponse
-	13, // [13:17] is the sub-list for method output_type
+	7,  // 17: cerc.auction.v1.Msg.UpdateParams:output_type -> cerc.auction.v1.MsgUpdateParamsResponse
-	9,  // [9:13] is the sub-list for method input_type
+	14, // [14:18] is the sub-list for method output_type
-	9,  // [9:9] is the sub-list for extension type_name
+	10, // [10:14] is the sub-list for method input_type
-	9,  // [9:9] is the sub-list for extension extendee
+	10, // [10:10] is the sub-list for extension type_name
-	0,  // [0:9] is the sub-list for field type_name
+	10, // [10:10] is the sub-list for extension extendee
+	0,  // [0:10] is the sub-list for field type_name
 }
 
 func init() { file_cerc_auction_v1_tx_proto_init() }

proto/cerc/auction/v1/auction.proto

@@ -95,20 +95,34 @@ message Auction {
     (gogoproto.moretags) = "json:\"minimum_bid\" yaml:\"minimum_bid\""
   ];
 
-  // Address of the winner
+  // Addresses of the winners
-  string winner_address = 10;
+  repeated string winner_addresses = 10;
 
-  // Winning bid, i.e., the highest bid
+  // Winning bids, i.e., the best bids
-  cosmos.base.v1beta1.Coin winning_bid = 11 [
+  repeated cosmos.base.v1beta1.Coin winning_bids = 11 [
     (gogoproto.nullable) = false,
-    (gogoproto.moretags) = "json:\"winning_bid\" yaml:\"winning_bid\""
+    (gogoproto.moretags) = "json:\"winning_bids\" yaml:\"winning_bids\""
   ];
 
-  // Amount the winner pays, i.e. the second highest auction
+  // Amount the winner pays, i.e. the second best bid
   cosmos.base.v1beta1.Coin winning_price = 12 [
     (gogoproto.nullable) = false,
     (gogoproto.moretags) = "json:\"winning_price\" yaml:\"winning_price\""
   ];
+
+  // Maximum acceptable bid amount for a valid commit for reverse auctions
+  cosmos.base.v1beta1.Coin max_price = 13 [
+    (gogoproto.nullable) = false,
+    (gogoproto.moretags) = "json:\"max_price\" yaml:\"max_price\""
+  ];
+
+  // Auction kind can be vickrey or service_provider
+  string kind = 14 [
+    (gogoproto.moretags) = "json:\"kind\" yaml:\"kind\""
+  ];
+
+  // Number of providers to be selected
+  int32 num_providers = 15;
 }
 
 // Auctions represent all the auctions in the module

proto/cerc/auction/v1/tx.proto

@@ -76,6 +76,20 @@ message MsgCreateAuction {
   // Address of the signer
   string signer = 6
       [ (gogoproto.moretags) = "json:\"signer\" yaml:\"signer\"" ];
+
+  // Maximum acceptable bid amount (for reverse auctions)
+  cosmos.base.v1beta1.Coin max_price = 7 [
+    (gogoproto.nullable) = false,
+    (gogoproto.moretags) = "json:\"max_price\" yaml:\"max_price\""
+  ];
+
+  // Auction kind can be vickrey or service_provider
+  string kind = 8 [
+    (gogoproto.moretags) = "json:\"kind\" yaml:\"kind\""
+  ];
+
+  // Number of providers to be selected
+  int32 num_providers = 9;
 }
 
 // MsgCreateAuctionResponse returns the details of the created auction

x/auction/auction.pb.go

@@ -128,12 +128,18 @@ type Auction struct {
 	RevealFee types.Coin `protobuf:"bytes,8,opt,name=reveal_fee,json=revealFee,proto3" json:"reveal_fee" json:"reveal_fee" yaml:"reveal_fee"`
 	// Minimum acceptable bid amount for a valid commit
 	MinimumBid types.Coin `protobuf:"bytes,9,opt,name=minimum_bid,json=minimumBid,proto3" json:"minimum_bid" json:"minimum_bid" yaml:"minimum_bid"`
-	// Address of the winner
+	// Addresses of the winners
-	WinnerAddress string `protobuf:"bytes,10,opt,name=winner_address,json=winnerAddress,proto3" json:"winner_address,omitempty"`
+	WinnerAddresses []string `protobuf:"bytes,10,rep,name=winner_addresses,json=winnerAddresses,proto3" json:"winner_addresses,omitempty"`
-	// Winning bid, i.e., the highest bid
+	// Winning bids, i.e., the best bids
-	WinningBid types.Coin `protobuf:"bytes,11,opt,name=winning_bid,json=winningBid,proto3" json:"winning_bid" json:"winning_bid" yaml:"winning_bid"`
+	WinningBids []types.Coin `protobuf:"bytes,11,rep,name=winning_bids,json=winningBids,proto3" json:"winning_bids" json:"winning_bids" yaml:"winning_bids"`
-	// Amount the winner pays, i.e. the second highest auction
+	// Amount the winner pays, i.e. the second best bid
 	WinningPrice types.Coin `protobuf:"bytes,12,opt,name=winning_price,json=winningPrice,proto3" json:"winning_price" json:"winning_price" yaml:"winning_price"`
+	// Maximum acceptable bid amount for a valid commit for reverse auctions
+	MaxPrice types.Coin `protobuf:"bytes,13,opt,name=max_price,json=maxPrice,proto3" json:"max_price" json:"max_price" yaml:"max_price"`
+	// Auction kind can be vickrey or service_provider
+	Kind string `protobuf:"bytes,14,opt,name=kind,proto3" json:"kind,omitempty" json:"kind" yaml:"kind"`
+	// Number of providers to be selected
+	NumProviders int32 `protobuf:"varint,15,opt,name=num_providers,json=numProviders,proto3" json:"num_providers,omitempty"`
 }
 
 func (m *Auction) Reset()         { *m = Auction{} }
@@ -263,57 +269,63 @@ func init() {
 func init() { proto.RegisterFile("cerc/auction/v1/auction.proto", fileDescriptor_34b162eb5b365523) }
 
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+	0x5d, 0xbb, 0x84, 0xe2, 0x52, 0x19, 0xa6, 0x1b, 0x9b, 0x5d, 0xfe, 0x0a, 0x8a, 0x4b, 0xe5, 0xa8,
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-	0x5f, 0x01, 0x00, 0x00, 0xff, 0xff, 0x61, 0xbb, 0x15, 0xc2, 0x47, 0x0a, 0x00, 0x00,
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+	0xc3, 0x8c, 0x33, 0x92, 0xa1, 0xf0, 0xca, 0xfe, 0xcd, 0x4d, 0xfb, 0xaa, 0xcf, 0x1f, 0xff, 0x13,
+	0x00, 0x00, 0xff, 0xff, 0xac, 0x9f, 0x65, 0x0b, 0x08, 0x0b, 0x00, 0x00,
 }
 
 func (m *Params) Marshal() (dAtA []byte, err error) {
@@ -405,6 +417,28 @@ func (m *Auction) MarshalToSizedBuffer(dAtA []byte) (int, error) {
 	_ = i
 	var l int
 	_ = l
+	if m.NumProviders != 0 {
+		i = encodeVarintAuction(dAtA, i, uint64(m.NumProviders))
+		i--
+		dAtA[i] = 0x78
+	}
+	if len(m.Kind) > 0 {
+		i -= len(m.Kind)
+		copy(dAtA[i:], m.Kind)
+		i = encodeVarintAuction(dAtA, i, uint64(len(m.Kind)))
+		i--
+		dAtA[i] = 0x72
+	}
+	{
+		size, err := m.MaxPrice.MarshalToSizedBuffer(dAtA[:i])
+		if err != nil {
+			return 0, err
+		}
+		i -= size
+		i = encodeVarintAuction(dAtA, i, uint64(size))
+	}
+	i--
+	dAtA[i] = 0x6a
 	{
 		size, err := m.WinningPrice.MarshalToSizedBuffer(dAtA[:i])
 		if err != nil {
@@ -415,8 +449,10 @@ func (m *Auction) MarshalToSizedBuffer(dAtA []byte) (int, error) {
 	}
 	i--
 	dAtA[i] = 0x62
+	if len(m.WinningBids) > 0 {
+		for iNdEx := len(m.WinningBids) - 1; iNdEx >= 0; iNdEx-- {
 			{
-		size, err := m.WinningBid.MarshalToSizedBuffer(dAtA[:i])
+				size, err := m.WinningBids[iNdEx].MarshalToSizedBuffer(dAtA[:i])
 				if err != nil {
 					return 0, err
 				}
@@ -425,13 +461,17 @@ func (m *Auction) MarshalToSizedBuffer(dAtA []byte) (int, error) {
 			}
 			i--
 			dAtA[i] = 0x5a
-	if len(m.WinnerAddress) > 0 {
+		}
-		i -= len(m.WinnerAddress)
+	}
-		copy(dAtA[i:], m.WinnerAddress)
+	if len(m.WinnerAddresses) > 0 {
-		i = encodeVarintAuction(dAtA, i, uint64(len(m.WinnerAddress)))
+		for iNdEx := len(m.WinnerAddresses) - 1; iNdEx >= 0; iNdEx-- {
+			i -= len(m.WinnerAddresses[iNdEx])
+			copy(dAtA[i:], m.WinnerAddresses[iNdEx])
+			i = encodeVarintAuction(dAtA, i, uint64(len(m.WinnerAddresses[iNdEx])))
 			i--
 			dAtA[i] = 0x52
 		}
+	}
 	{
 		size, err := m.MinimumBid.MarshalToSizedBuffer(dAtA[:i])
 		if err != nil {
@@ -704,14 +744,29 @@ func (m *Auction) Size() (n int) {
 	n += 1 + l + sovAuction(uint64(l))
 	l = m.MinimumBid.Size()
 	n += 1 + l + sovAuction(uint64(l))
-	l = len(m.WinnerAddress)
+	if len(m.WinnerAddresses) > 0 {
+		for _, s := range m.WinnerAddresses {
+			l = len(s)
+			n += 1 + l + sovAuction(uint64(l))
+		}
+	}
+	if len(m.WinningBids) > 0 {
+		for _, e := range m.WinningBids {
+			l = e.Size()
+			n += 1 + l + sovAuction(uint64(l))
+		}
+	}
+	l = m.WinningPrice.Size()
+	n += 1 + l + sovAuction(uint64(l))
+	l = m.MaxPrice.Size()
+	n += 1 + l + sovAuction(uint64(l))
+	l = len(m.Kind)
 	if l > 0 {
 		n += 1 + l + sovAuction(uint64(l))
 	}
-	l = m.WinningBid.Size()
+	if m.NumProviders != 0 {
-	n += 1 + l + sovAuction(uint64(l))
+		n += 1 + sovAuction(uint64(m.NumProviders))
-	l = m.WinningPrice.Size()
+	}
-	n += 1 + l + sovAuction(uint64(l))
 	return n
 }
 
@@ -1311,7 +1366,7 @@ func (m *Auction) Unmarshal(dAtA []byte) error {
 			iNdEx = postIndex
 		case 10:
 			if wireType != 2 {
-				return fmt.Errorf("proto: wrong wireType = %d for field WinnerAddress", wireType)
+				return fmt.Errorf("proto: wrong wireType = %d for field WinnerAddresses", wireType)
 			}
 			var stringLen uint64
 			for shift := uint(0); ; shift += 7 {
@@ -1339,11 +1394,11 @@ func (m *Auction) Unmarshal(dAtA []byte) error {
 			if postIndex > l {
 				return io.ErrUnexpectedEOF
 			}
-			m.WinnerAddress = string(dAtA[iNdEx:postIndex])
+			m.WinnerAddresses = append(m.WinnerAddresses, string(dAtA[iNdEx:postIndex]))
 			iNdEx = postIndex
 		case 11:
 			if wireType != 2 {
-				return fmt.Errorf("proto: wrong wireType = %d for field WinningBid", wireType)
+				return fmt.Errorf("proto: wrong wireType = %d for field WinningBids", wireType)
 			}
 			var msglen int
 			for shift := uint(0); ; shift += 7 {
@@ -1370,7 +1425,8 @@ func (m *Auction) Unmarshal(dAtA []byte) error {
 			if postIndex > l {
 				return io.ErrUnexpectedEOF
 			}
-			if err := m.WinningBid.Unmarshal(dAtA[iNdEx:postIndex]); err != nil {
+			m.WinningBids = append(m.WinningBids, types.Coin{})
+			if err := m.WinningBids[len(m.WinningBids)-1].Unmarshal(dAtA[iNdEx:postIndex]); err != nil {
 				return err
 			}
 			iNdEx = postIndex
@@ -1407,6 +1463,90 @@ func (m *Auction) Unmarshal(dAtA []byte) error {
 				return err
 			}
 			iNdEx = postIndex
+		case 13:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field MaxPrice", wireType)
+			}
+			var msglen int
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowAuction
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				msglen |= int(b&0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			if msglen < 0 {
+				return ErrInvalidLengthAuction
+			}
+			postIndex := iNdEx + msglen
+			if postIndex < 0 {
+				return ErrInvalidLengthAuction
+			}
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			if err := m.MaxPrice.Unmarshal(dAtA[iNdEx:postIndex]); err != nil {
+				return err
+			}
+			iNdEx = postIndex
+		case 14:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Kind", wireType)
+			}
+			var stringLen uint64
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowAuction
+				}
+				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 ErrInvalidLengthAuction
+			}
+			postIndex := iNdEx + intStringLen
+			if postIndex < 0 {
+				return ErrInvalidLengthAuction
+			}
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.Kind = string(dAtA[iNdEx:postIndex])
+			iNdEx = postIndex
+		case 15:
+			if wireType != 0 {
+				return fmt.Errorf("proto: wrong wireType = %d for field NumProviders", wireType)
+			}
+			m.NumProviders = 0
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowAuction
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				m.NumProviders |= int32(b&0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
 		default:
 			iNdEx = preIndex
 			skippy, err := skipAuction(dAtA[iNdEx:])

x/auction/tx.pb.go

@@ -50,6 +50,12 @@ type MsgCreateAuction struct {
 	MinimumBid types.Coin `protobuf:"bytes,5,opt,name=minimum_bid,json=minimumBid,proto3" json:"minimum_bid" json:"minimum_bid" yaml:"minimum_bid"`
 	// Address of the signer
 	Signer string `protobuf:"bytes,6,opt,name=signer,proto3" json:"signer,omitempty" json:"signer" yaml:"signer"`
+	// Maximum acceptable bid amount (for reverse auctions)
+	MaxPrice types.Coin `protobuf:"bytes,7,opt,name=max_price,json=maxPrice,proto3" json:"max_price" json:"max_price" yaml:"max_price"`
+	// Auction kind can be vickrey or service_provider
+	Kind string `protobuf:"bytes,8,opt,name=kind,proto3" json:"kind,omitempty" json:"kind" yaml:"kind"`
+	// Number of providers to be selected
+	NumProviders int32 `protobuf:"varint,9,opt,name=num_providers,json=numProviders,proto3" json:"num_providers,omitempty"`
 }
 
 func (m *MsgCreateAuction) Reset()         { *m = MsgCreateAuction{} }
@@ -398,63 +404,68 @@ func init() {
 func init() { proto.RegisterFile("cerc/auction/v1/tx.proto", fileDescriptor_70947cda59e835fd) }
 
 var fileDescriptor_70947cda59e835fd = []byte{
-	// 881 bytes of a gzipped FileDescriptorProto
+	// 964 bytes of a gzipped FileDescriptorProto
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-	0x68, 0x1e, 0xe7, 0xe6, 0x93, 0x5f, 0xff, 0xfe, 0xfe, 0xca, 0xae, 0x63, 0x7b, 0xf5, 0xef, 0x5e,
+	0x13, 0x96, 0xd1, 0xfc, 0x29, 0x8c, 0xd4, 0xfa, 0xf5, 0x97, 0xdd, 0x65, 0x38, 0xfd, 0xc3, 0x28,
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-	0xa8, 0x42, 0x0b, 0xe8, 0xac, 0x7e, 0xfd, 0xf2, 0xd9, 0x6d, 0xc3, 0xff, 0xe8, 0xf9, 0x59, 0xd7,
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-	0x78, 0x71, 0xd6, 0x35, 0xfe, 0x3c, 0xeb, 0x1a, 0x4f, 0xcf, 0xbb, 0x8d, 0x17, 0xe7, 0xdd, 0xc6,
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+	0x40, 0xc3, 0x8d, 0xad, 0x37, 0xc2, 0x23, 0xee, 0x4d, 0xc9, 0xbd, 0xee, 0xac, 0x4d, 0x73, 0xab,
-	0xd1, 0x01, 0x65, 0xde, 0x00, 0x47, 0x2c, 0xa3, 0x51, 0xec, 0x3d, 0xd2, 0x8a, 0xc3, 0x96, 0xfc,
+	0x03, 0xee, 0xd0, 0x48, 0xf0, 0x8e, 0x6f, 0x60, 0x26, 0xef, 0x08, 0x9e, 0xcd, 0x3b, 0xb5, 0x66,
-	0xa0, 0xbf, 0xf7, 0x6f, 0x00, 0x00, 0x00, 0xff, 0xff, 0xca, 0x2e, 0x75, 0x29, 0x87, 0x09, 0x00,
+	0x6f, 0xe0, 0x85, 0x4f, 0x98, 0xe0, 0x7d, 0x8c, 0x16, 0x27, 0x56, 0xa5, 0x35, 0xab, 0x76, 0x31,
-	0x00,
+	0xa2, 0xb1, 0x7d, 0x59, 0x84, 0x16, 0xd0, 0x98, 0xff, 0xf6, 0xf5, 0x8b, 0x7b, 0x86, 0xff, 0xc9,
+	0xcb, 0xf3, 0xa6, 0xf1, 0xea, 0xbc, 0x69, 0xfc, 0x7d, 0xde, 0x34, 0x9e, 0x5f, 0x34, 0x2b, 0xaf,
+	0x2e, 0x9a, 0x95, 0x3f, 0x2e, 0x9a, 0x95, 0xc7, 0x5b, 0x31, 0xcd, 0xdd, 0x7e, 0xd4, 0x71, 0xc5,
+	0xdf, 0x2a, 0x92, 0x85, 0xbb, 0x94, 0x79, 0xa7, 0x38, 0x64, 0x29, 0x0d, 0x23, 0xef, 0x4c, 0x2b,
+	0xee, 0xd4, 0xe4, 0x3f, 0x91, 0x0f, 0xfe, 0x0f, 0x00, 0x00, 0xff, 0xff, 0x19, 0xc5, 0xcc, 0xe1,
+	0x40, 0x0a, 0x00, 0x00,
 }
 
 // Reference imports to suppress errors if they are not otherwise used.
@@ -675,6 +686,28 @@ func (m *MsgCreateAuction) MarshalToSizedBuffer(dAtA []byte) (int, error) {
 	_ = i
 	var l int
 	_ = l
+	if m.NumProviders != 0 {
+		i = encodeVarintTx(dAtA, i, uint64(m.NumProviders))
+		i--
+		dAtA[i] = 0x48
+	}
+	if len(m.Kind) > 0 {
+		i -= len(m.Kind)
+		copy(dAtA[i:], m.Kind)
+		i = encodeVarintTx(dAtA, i, uint64(len(m.Kind)))
+		i--
+		dAtA[i] = 0x42
+	}
+	{
+		size, err := m.MaxPrice.MarshalToSizedBuffer(dAtA[:i])
+		if err != nil {
+			return 0, err
+		}
+		i -= size
+		i = encodeVarintTx(dAtA, i, uint64(size))
+	}
+	i--
+	dAtA[i] = 0x3a
 	if len(m.Signer) > 0 {
 		i -= len(m.Signer)
 		copy(dAtA[i:], m.Signer)
@@ -712,21 +745,21 @@ func (m *MsgCreateAuction) MarshalToSizedBuffer(dAtA []byte) (int, error) {
 	}
 	i--
 	dAtA[i] = 0x1a
-	n4, err4 := github_com_cosmos_gogoproto_types.StdDurationMarshalTo(m.RevealsDuration, dAtA[i-github_com_cosmos_gogoproto_types.SizeOfStdDuration(m.RevealsDuration):])
+	n5, err5 := github_com_cosmos_gogoproto_types.StdDurationMarshalTo(m.RevealsDuration, dAtA[i-github_com_cosmos_gogoproto_types.SizeOfStdDuration(m.RevealsDuration):])
-	if err4 != nil {
-		return 0, err4
-	}
-	i -= n4
-	i = encodeVarintTx(dAtA, i, uint64(n4))
-	i--
-	dAtA[i] = 0x12
-	n5, err5 := github_com_cosmos_gogoproto_types.StdDurationMarshalTo(m.CommitsDuration, dAtA[i-github_com_cosmos_gogoproto_types.SizeOfStdDuration(m.CommitsDuration):])
 	if err5 != nil {
 		return 0, err5
 	}
 	i -= n5
 	i = encodeVarintTx(dAtA, i, uint64(n5))
 	i--
+	dAtA[i] = 0x12
+	n6, err6 := github_com_cosmos_gogoproto_types.StdDurationMarshalTo(m.CommitsDuration, dAtA[i-github_com_cosmos_gogoproto_types.SizeOfStdDuration(m.CommitsDuration):])
+	if err6 != nil {
+		return 0, err6
+	}
+	i -= n6
+	i = encodeVarintTx(dAtA, i, uint64(n6))
+	i--
 	dAtA[i] = 0xa
 	return len(dAtA) - i, nil
 }
@@ -1018,6 +1051,15 @@ func (m *MsgCreateAuction) Size() (n int) {
 	if l > 0 {
 		n += 1 + l + sovTx(uint64(l))
 	}
+	l = m.MaxPrice.Size()
+	n += 1 + l + sovTx(uint64(l))
+	l = len(m.Kind)
+	if l > 0 {
+		n += 1 + l + sovTx(uint64(l))
+	}
+	if m.NumProviders != 0 {
+		n += 1 + sovTx(uint64(m.NumProviders))
+	}
 	return n
 }
 
@@ -1358,6 +1400,90 @@ func (m *MsgCreateAuction) Unmarshal(dAtA []byte) error {
 			}
 			m.Signer = string(dAtA[iNdEx:postIndex])
 			iNdEx = postIndex
+		case 7:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field MaxPrice", 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
+			}
+			if err := m.MaxPrice.Unmarshal(dAtA[iNdEx:postIndex]); err != nil {
+				return err
+			}
+			iNdEx = postIndex
+		case 8:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Kind", 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.Kind = string(dAtA[iNdEx:postIndex])
+			iNdEx = postIndex
+		case 9:
+			if wireType != 0 {
+				return fmt.Errorf("proto: wrong wireType = %d for field NumProviders", wireType)
+			}
+			m.NumProviders = 0
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowTx
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				m.NumProviders |= int32(b&0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
 		default:
 			iNdEx = preIndex
 			skippy, err := skipTx(dAtA[iNdEx:])