diff --git a/docs/core/proto-docs.md b/docs/core/proto-docs.md
index 0aaee8601..2fce7d919 100644
--- a/docs/core/proto-docs.md
+++ b/docs/core/proto-docs.md
@@ -1888,7 +1888,7 @@ Query defines the gRPC querier service.
 
 | Method Name | Request Type | Response Type | Description | HTTP Verb | Endpoint |
 | ----------- | ------------ | ------------- | ------------| ------- | -------- |
-| `PostPriceResponse` | [MsgPostPriceResponse](#botany.pricefeed.MsgPostPriceResponse) | [MsgPostPriceResponse](#botany.pricefeed.MsgPostPriceResponse) |  | |
+| `PostPrice` | [MsgPostPrice](#botany.pricefeed.MsgPostPrice) | [MsgPostPriceResponse](#botany.pricefeed.MsgPostPriceResponse) |  | |
 
  <!-- end services -->
 
diff --git a/proto/pricefeed/tx.proto b/proto/pricefeed/tx.proto
index 299c15826..5c3b7e0a2 100644
--- a/proto/pricefeed/tx.proto
+++ b/proto/pricefeed/tx.proto
@@ -8,7 +8,7 @@ import "cosmos/base/v1beta1/coin.proto";
 option go_package = "github.com/lcnem/jpyx/x/pricefeed/types";
 
 service Msg {
-  rpc PostPriceResponse(MsgPostPriceResponse) returns (MsgPostPriceResponse);
+  rpc PostPrice(MsgPostPrice) returns (MsgPostPriceResponse);
 }
 
 message MsgPostPrice {
diff --git a/x/auction/types/codec.go b/x/auction/types/codec.go
index 43c536dd4..9f804e93a 100644
--- a/x/auction/types/codec.go
+++ b/x/auction/types/codec.go
@@ -3,6 +3,8 @@ package types
 import (
 	"github.com/cosmos/cosmos-sdk/codec"
 	cdctypes "github.com/cosmos/cosmos-sdk/codec/types"
+	sdk "github.com/cosmos/cosmos-sdk/types"
+	"github.com/cosmos/cosmos-sdk/types/msgservice"
 )
 
 func RegisterCodec(cdc *codec.LegacyAmino) {
@@ -12,6 +14,16 @@ func RegisterCodec(cdc *codec.LegacyAmino) {
 
 func RegisterInterfaces(registry cdctypes.InterfaceRegistry) {
 	// this line is used by starport scaffolding # 3
+	registry.RegisterImplementations((*sdk.Msg)(nil),
+		&MsgPlaceBid{},
+	)
+	registry.RegisterImplementations((*Auction)(nil),
+		&SurplusAuction{},
+		&DebtAuction{},
+		&CollateralAuction{},
+	)
+
+	msgservice.RegisterMsgServiceDesc(registry, &_Msg_serviceDesc)
 }
 
 var (
diff --git a/x/cdp/client/cli/txCdp.go b/x/cdp/client/cli/txCdp.go
index 4f4f087c2..89202103a 100644
--- a/x/cdp/client/cli/txCdp.go
+++ b/x/cdp/client/cli/txCdp.go
@@ -21,7 +21,7 @@ func CmdCreateCdp() *cobra.Command {
 		Long: strings.TrimSpace(
 			fmt.Sprintf(`Create a new cdp, depositing some collateral and drawing some debt.
 Example:
-$ %s tx %s create 10000000ubtc 1000jpyx ubtc-a --from myKeyName
+$ %s tx %s create-cdp 10ubtc 10jpyx ubtc-a --from myKeyName --chain-id jpyx-3-test
 `, version.AppName, types.ModuleName)),
 		Args:  cobra.ExactArgs(3),
 		RunE: func(cmd *cobra.Command, args []string) error {
diff --git a/x/cdp/types/codec.go b/x/cdp/types/codec.go
index 43c536dd4..7ddb06504 100644
--- a/x/cdp/types/codec.go
+++ b/x/cdp/types/codec.go
@@ -3,6 +3,8 @@ package types
 import (
 	"github.com/cosmos/cosmos-sdk/codec"
 	cdctypes "github.com/cosmos/cosmos-sdk/codec/types"
+	sdk "github.com/cosmos/cosmos-sdk/types"
+	"github.com/cosmos/cosmos-sdk/types/msgservice"
 )
 
 func RegisterCodec(cdc *codec.LegacyAmino) {
@@ -12,6 +14,16 @@ func RegisterCodec(cdc *codec.LegacyAmino) {
 
 func RegisterInterfaces(registry cdctypes.InterfaceRegistry) {
 	// this line is used by starport scaffolding # 3
+	registry.RegisterImplementations((*sdk.Msg)(nil),
+		&MsgCreateCdp{},
+		&MsgDeposit{},
+		&MsgDrawDebt{},
+		&MsgLiquidate{},
+		&MsgRepayDebt{},
+		&MsgWithdraw{},
+	)
+
+	msgservice.RegisterMsgServiceDesc(registry, &_Msg_serviceDesc)
 }
 
 var (
diff --git a/x/incentive/types/codec.go b/x/incentive/types/codec.go
index 8fb9abf55..a1588f733 100644
--- a/x/incentive/types/codec.go
+++ b/x/incentive/types/codec.go
@@ -3,6 +3,8 @@ package types
 import (
 	"github.com/cosmos/cosmos-sdk/codec"
 	cdctypes "github.com/cosmos/cosmos-sdk/codec/types"
+	sdk "github.com/cosmos/cosmos-sdk/types"
+	"github.com/cosmos/cosmos-sdk/types/msgservice"
 	// this line is used by starport scaffolding # 1
 )
 
@@ -12,6 +14,11 @@ func RegisterCodec(cdc *codec.LegacyAmino) {
 
 func RegisterInterfaces(registry cdctypes.InterfaceRegistry) {
 	// this line is used by starport scaffolding # 3
+	registry.RegisterImplementations((*sdk.Msg)(nil),
+		&MsgClaimCdpMintingReward{},
+	)
+
+	msgservice.RegisterMsgServiceDesc(registry, &_Msg_serviceDesc)
 }
 
 var (
diff --git a/x/pricefeed/types/codec.go b/x/pricefeed/types/codec.go
index 8fb9abf55..95502e665 100644
--- a/x/pricefeed/types/codec.go
+++ b/x/pricefeed/types/codec.go
@@ -3,6 +3,8 @@ package types
 import (
 	"github.com/cosmos/cosmos-sdk/codec"
 	cdctypes "github.com/cosmos/cosmos-sdk/codec/types"
+	sdk "github.com/cosmos/cosmos-sdk/types"
+	"github.com/cosmos/cosmos-sdk/types/msgservice"
 	// this line is used by starport scaffolding # 1
 )
 
@@ -12,6 +14,11 @@ func RegisterCodec(cdc *codec.LegacyAmino) {
 
 func RegisterInterfaces(registry cdctypes.InterfaceRegistry) {
 	// this line is used by starport scaffolding # 3
+	registry.RegisterImplementations((*sdk.Msg)(nil),
+		&MsgPostPrice{},
+	)
+
+	msgservice.RegisterMsgServiceDesc(registry, &_Msg_serviceDesc)
 }
 
 var (
diff --git a/x/pricefeed/types/tx.pb.go b/x/pricefeed/types/tx.pb.go
index 78d47597b..5298b0c31 100644
--- a/x/pricefeed/types/tx.pb.go
+++ b/x/pricefeed/types/tx.pb.go
@@ -133,34 +133,34 @@ func init() {
 func init() { proto.RegisterFile("pricefeed/tx.proto", fileDescriptor_27d54c954ce5f810) }
 
 var fileDescriptor_27d54c954ce5f810 = []byte{
-	// 419 bytes of a gzipped FileDescriptorProto
-	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0x8c, 0x92, 0x31, 0x6f, 0xd3, 0x40,
-	0x14, 0xc7, 0xed, 0xb6, 0x54, 0xf4, 0x5a, 0xa4, 0x72, 0x8a, 0x90, 0xf1, 0xe0, 0xab, 0x3c, 0x94,
-	0x0e, 0x70, 0xa7, 0x94, 0x8d, 0x01, 0x29, 0x81, 0x85, 0x21, 0x52, 0x65, 0x2a, 0x21, 0xb1, 0x20,
-	0xfb, 0x7c, 0x39, 0xdc, 0xe6, 0x7c, 0x96, 0xef, 0x8a, 0xec, 0x6f, 0x91, 0x6f, 0xc4, 0x9a, 0x31,
-	0x23, 0x62, 0x30, 0x28, 0xf9, 0x06, 0xfe, 0x04, 0xc8, 0x77, 0x4e, 0x14, 0x41, 0x06, 0x26, 0x3f,
-	0xeb, 0xff, 0xf7, 0xef, 0xbd, 0xf7, 0x7f, 0x06, 0xb0, 0x28, 0x33, 0xca, 0xa6, 0x8c, 0xa5, 0x44,
-	0x57, 0xb8, 0x28, 0xa5, 0x96, 0xf0, 0x3c, 0x91, 0x3a, 0xce, 0x6b, 0xbc, 0x95, 0xfc, 0x01, 0x97,
-	0x5c, 0x1a, 0x91, 0x74, 0x95, 0xf5, 0xf9, 0x88, 0x4b, 0xc9, 0x67, 0x8c, 0x98, 0xb7, 0xe4, 0x61,
-	0x4a, 0x74, 0x26, 0x98, 0xd2, 0xb1, 0x28, 0x7a, 0x43, 0x40, 0xa5, 0x12, 0x52, 0x91, 0x24, 0x56,
-	0x8c, 0x7c, 0x1b, 0x26, 0x4c, 0xc7, 0x43, 0x42, 0x65, 0x96, 0x5b, 0x3d, 0xfc, 0x7e, 0x00, 0xce,
-	0x26, 0x8a, 0xdf, 0x48, 0xa5, 0x6f, 0xba, 0x5e, 0xf0, 0x13, 0x38, 0x9a, 0x96, 0x52, 0x78, 0xee,
-	0x85, 0x7b, 0x75, 0x32, 0x7e, 0xb7, 0x68, 0x90, 0xf3, 0xb3, 0x41, 0x2f, 0x79, 0xa6, 0xbf, 0x3e,
-	0x24, 0x98, 0x4a, 0x41, 0x66, 0x34, 0x67, 0x82, 0xdc, 0x15, 0x75, 0x45, 0x74, 0x5d, 0x30, 0x85,
-	0x3f, 0xea, 0x32, 0xcb, 0xf9, 0x88, 0xd2, 0x51, 0x9a, 0x96, 0x4c, 0xa9, 0xb6, 0x41, 0xa7, 0x75,
-	0x2c, 0x66, 0x6f, 0xc2, 0x8e, 0x14, 0x46, 0x06, 0x08, 0x87, 0xe0, 0x44, 0xc4, 0xe5, 0x3d, 0xd3,
-	0x5f, 0xb2, 0xd4, 0x3b, 0x30, 0xf4, 0x41, 0xdb, 0xa0, 0x73, 0xeb, 0xdc, 0x4a, 0x61, 0xf4, 0xd8,
-	0xd6, 0x1f, 0x52, 0x78, 0x0b, 0x1e, 0x99, 0x00, 0xbc, 0x43, 0x63, 0x7f, 0xdb, 0x0f, 0x73, 0xb9,
-	0x33, 0x4c, 0xbf, 0x9e, 0x7d, 0xbc, 0x52, 0xe9, 0x7d, 0x3f, 0xd3, 0x7b, 0x46, 0xdb, 0x06, 0x9d,
-	0x59, 0xb8, 0x81, 0x84, 0x91, 0x85, 0xc1, 0x09, 0x38, 0x66, 0x55, 0x91, 0x95, 0xb5, 0x77, 0x74,
-	0xe1, 0x5e, 0x9d, 0x5e, 0xfb, 0xd8, 0x86, 0x88, 0x37, 0x21, 0xe2, 0xdb, 0x4d, 0x88, 0xe3, 0xe7,
-	0x5d, 0xcb, 0xb6, 0x41, 0x4f, 0x2c, 0xc8, 0x7e, 0x17, 0xce, 0x7f, 0x21, 0x37, 0xea, 0x21, 0xe1,
-	0x33, 0x30, 0xd8, 0x0d, 0x30, 0x62, 0xaa, 0x90, 0xb9, 0x62, 0xd7, 0x77, 0xe0, 0x70, 0xa2, 0x38,
-	0xa4, 0xe0, 0xe9, 0x3f, 0x1a, 0xbc, 0xc4, 0x7f, 0xdf, 0x17, 0xef, 0x63, 0xf8, 0xff, 0xe9, 0x1b,
-	0x8f, 0x16, 0xab, 0xc0, 0x5d, 0xae, 0x02, 0xf7, 0xf7, 0x2a, 0x70, 0xe7, 0xeb, 0xc0, 0x59, 0xae,
-	0x03, 0xe7, 0xc7, 0x3a, 0x70, 0x3e, 0xbf, 0xd8, 0x7f, 0xb8, 0x8a, 0xec, 0xfc, 0x74, 0x5d, 0x60,
-	0xc9, 0xb1, 0xd9, 0xfe, 0xf5, 0x9f, 0x00, 0x00, 0x00, 0xff, 0xff, 0x55, 0xe8, 0x39, 0xbe, 0x8e,
-	0x02, 0x00, 0x00,
+	// 420 bytes of a gzipped FileDescriptorProto
+	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0x7c, 0x92, 0xb1, 0x6e, 0xd4, 0x30,
+	0x18, 0xc7, 0x93, 0xb6, 0x54, 0x9c, 0x5b, 0xa4, 0x2a, 0x3a, 0xa1, 0x90, 0xc1, 0xae, 0x32, 0x94,
+	0x0e, 0x60, 0xeb, 0xca, 0xc6, 0x80, 0x74, 0x07, 0x0b, 0xc3, 0x49, 0x55, 0x5a, 0x09, 0xa9, 0x0b,
+	0x4a, 0x1c, 0x9f, 0x09, 0x3d, 0xc7, 0x51, 0xec, 0xa2, 0xe4, 0x2d, 0xfa, 0x46, 0xac, 0x1d, 0x6f,
+	0x44, 0x0c, 0x01, 0xdd, 0xbd, 0x41, 0x9e, 0x00, 0xc5, 0xce, 0x1d, 0x11, 0x42, 0x9d, 0xe2, 0xe8,
+	0xff, 0xf7, 0xef, 0xfb, 0xbe, 0xff, 0x67, 0xe0, 0x15, 0x65, 0x46, 0xd9, 0x82, 0xb1, 0x94, 0xe8,
+	0x0a, 0x17, 0xa5, 0xd4, 0xd2, 0x3b, 0x49, 0xa4, 0x8e, 0xf3, 0x1a, 0xef, 0xa4, 0x60, 0xcc, 0x25,
+	0x97, 0x46, 0x24, 0xdd, 0xc9, 0xfa, 0x02, 0xc4, 0xa5, 0xe4, 0x4b, 0x46, 0xcc, 0x5f, 0x72, 0xb7,
+	0x20, 0x3a, 0x13, 0x4c, 0xe9, 0x58, 0x14, 0xbd, 0x01, 0x52, 0xa9, 0x84, 0x54, 0x24, 0x89, 0x15,
+	0x23, 0xdf, 0x26, 0x09, 0xd3, 0xf1, 0x84, 0x50, 0x99, 0xe5, 0x56, 0x0f, 0xbf, 0xef, 0x81, 0xe3,
+	0xb9, 0xe2, 0x97, 0x52, 0xe9, 0xcb, 0xae, 0x96, 0xf7, 0x09, 0x1c, 0x2c, 0x4a, 0x29, 0x7c, 0xf7,
+	0xd4, 0x3d, 0x1f, 0xcd, 0xde, 0x3f, 0x34, 0xc8, 0xf9, 0xd9, 0xa0, 0x57, 0x3c, 0xd3, 0x5f, 0xee,
+	0x12, 0x4c, 0xa5, 0x20, 0x4b, 0x9a, 0x33, 0x41, 0xbe, 0x16, 0x75, 0x45, 0x74, 0x5d, 0x30, 0x85,
+	0xaf, 0x74, 0x99, 0xe5, 0x7c, 0x4a, 0xe9, 0x34, 0x4d, 0x4b, 0xa6, 0x54, 0xdb, 0xa0, 0xa3, 0x3a,
+	0x16, 0xcb, 0xb7, 0x61, 0x47, 0x0a, 0x23, 0x03, 0xf4, 0x26, 0x60, 0x24, 0xe2, 0xf2, 0x96, 0xe9,
+	0xcf, 0x59, 0xea, 0xef, 0x19, 0xfa, 0xb8, 0x6d, 0xd0, 0x89, 0x75, 0xee, 0xa4, 0x30, 0x7a, 0x6a,
+	0xcf, 0x1f, 0x53, 0xef, 0x1a, 0x3c, 0x31, 0x01, 0xf8, 0xfb, 0xc6, 0xfe, 0xae, 0x6f, 0xe6, 0x6c,
+	0xd0, 0x4c, 0x3f, 0x9e, 0xfd, 0xbc, 0x56, 0xe9, 0x6d, 0xdf, 0xd3, 0x07, 0x46, 0xdb, 0x06, 0x1d,
+	0x5b, 0xb8, 0x81, 0x84, 0x91, 0x85, 0x79, 0x73, 0x70, 0xc8, 0xaa, 0x22, 0x2b, 0x6b, 0xff, 0xe0,
+	0xd4, 0x3d, 0x3f, 0xba, 0x08, 0xb0, 0x0d, 0x11, 0x6f, 0x43, 0xc4, 0xd7, 0xdb, 0x10, 0x67, 0x2f,
+	0xba, 0x92, 0x6d, 0x83, 0x9e, 0x59, 0x90, 0xbd, 0x17, 0xde, 0xff, 0x42, 0x6e, 0xd4, 0x43, 0xc2,
+	0xe7, 0x60, 0x3c, 0x0c, 0x30, 0x62, 0xaa, 0x90, 0xb9, 0x62, 0x17, 0x37, 0x60, 0x7f, 0xae, 0xb8,
+	0x77, 0x05, 0x46, 0x7f, 0xc3, 0x85, 0xf8, 0xdf, 0xbd, 0xe2, 0xe1, 0xdd, 0xe0, 0xec, 0x71, 0x7d,
+	0xcb, 0x9e, 0x4d, 0x1f, 0xd6, 0xd0, 0x5d, 0xad, 0xa1, 0xfb, 0x7b, 0x0d, 0xdd, 0xfb, 0x0d, 0x74,
+	0x56, 0x1b, 0xe8, 0xfc, 0xd8, 0x40, 0xe7, 0xe6, 0xe5, 0xff, 0x17, 0x55, 0x91, 0xc1, 0x23, 0xeb,
+	0x02, 0x4a, 0x0e, 0xcd, 0xb4, 0x6f, 0xfe, 0x04, 0x00, 0x00, 0xff, 0xff, 0x94, 0xf9, 0x56, 0x09,
+	0x7e, 0x02, 0x00, 0x00,
 }
 
 // Reference imports to suppress errors if they are not otherwise used.
@@ -175,7 +175,7 @@ const _ = grpc.SupportPackageIsVersion4
 //
 // For semantics around ctx use and closing/ending streaming RPCs, please refer to https://godoc.org/google.golang.org/grpc#ClientConn.NewStream.
 type MsgClient interface {
-	PostPriceResponse(ctx context.Context, in *MsgPostPriceResponse, opts ...grpc.CallOption) (*MsgPostPriceResponse, error)
+	PostPrice(ctx context.Context, in *MsgPostPrice, opts ...grpc.CallOption) (*MsgPostPriceResponse, error)
 }
 
 type msgClient struct {
@@ -186,9 +186,9 @@ func NewMsgClient(cc grpc1.ClientConn) MsgClient {
 	return &msgClient{cc}
 }
 
-func (c *msgClient) PostPriceResponse(ctx context.Context, in *MsgPostPriceResponse, opts ...grpc.CallOption) (*MsgPostPriceResponse, error) {
+func (c *msgClient) PostPrice(ctx context.Context, in *MsgPostPrice, opts ...grpc.CallOption) (*MsgPostPriceResponse, error) {
 	out := new(MsgPostPriceResponse)
-	err := c.cc.Invoke(ctx, "/botany.pricefeed.Msg/PostPriceResponse", in, out, opts...)
+	err := c.cc.Invoke(ctx, "/botany.pricefeed.Msg/PostPrice", in, out, opts...)
 	if err != nil {
 		return nil, err
 	}
@@ -197,35 +197,35 @@ func (c *msgClient) PostPriceResponse(ctx context.Context, in *MsgPostPriceRespo
 
 // MsgServer is the server API for Msg service.
 type MsgServer interface {
-	PostPriceResponse(context.Context, *MsgPostPriceResponse) (*MsgPostPriceResponse, error)
+	PostPrice(context.Context, *MsgPostPrice) (*MsgPostPriceResponse, error)
 }
 
 // UnimplementedMsgServer can be embedded to have forward compatible implementations.
 type UnimplementedMsgServer struct {
 }
 
-func (*UnimplementedMsgServer) PostPriceResponse(ctx context.Context, req *MsgPostPriceResponse) (*MsgPostPriceResponse, error) {
-	return nil, status.Errorf(codes.Unimplemented, "method PostPriceResponse not implemented")
+func (*UnimplementedMsgServer) PostPrice(ctx context.Context, req *MsgPostPrice) (*MsgPostPriceResponse, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method PostPrice not implemented")
 }
 
 func RegisterMsgServer(s grpc1.Server, srv MsgServer) {
 	s.RegisterService(&_Msg_serviceDesc, srv)
 }
 
-func _Msg_PostPriceResponse_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
-	in := new(MsgPostPriceResponse)
+func _Msg_PostPrice_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(MsgPostPrice)
 	if err := dec(in); err != nil {
 		return nil, err
 	}
 	if interceptor == nil {
-		return srv.(MsgServer).PostPriceResponse(ctx, in)
+		return srv.(MsgServer).PostPrice(ctx, in)
 	}
 	info := &grpc.UnaryServerInfo{
 		Server:     srv,
-		FullMethod: "/botany.pricefeed.Msg/PostPriceResponse",
+		FullMethod: "/botany.pricefeed.Msg/PostPrice",
 	}
 	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
-		return srv.(MsgServer).PostPriceResponse(ctx, req.(*MsgPostPriceResponse))
+		return srv.(MsgServer).PostPrice(ctx, req.(*MsgPostPrice))
 	}
 	return interceptor(ctx, in, info, handler)
 }
@@ -235,8 +235,8 @@ var _Msg_serviceDesc = grpc.ServiceDesc{
 	HandlerType: (*MsgServer)(nil),
 	Methods: []grpc.MethodDesc{
 		{
-			MethodName: "PostPriceResponse",
-			Handler:    _Msg_PostPriceResponse_Handler,
+			MethodName: "PostPrice",
+			Handler:    _Msg_PostPrice_Handler,
 		},
 	},
 	Streams:  []grpc.StreamDesc{},