feat(evmutil): add proto for MsgConvertNativeCoinToERC20 (#1595)

* add proto for MsgConvertNativeCoinToERC20

* implement Msg types & unit test validation

docs/core/proto-docs.md

@@ -266,6 +266,8 @@
     - [MsgConvertCoinToERC20Response](#kava.evmutil.v1beta1.MsgConvertCoinToERC20Response)
     - [MsgConvertERC20ToCoin](#kava.evmutil.v1beta1.MsgConvertERC20ToCoin)
     - [MsgConvertERC20ToCoinResponse](#kava.evmutil.v1beta1.MsgConvertERC20ToCoinResponse)
+    - [MsgConvertNativeCoinToERC20](#kava.evmutil.v1beta1.MsgConvertNativeCoinToERC20)
+    - [MsgConvertNativeCoinToERC20Response](#kava.evmutil.v1beta1.MsgConvertNativeCoinToERC20Response)
   
     - [Msg](#kava.evmutil.v1beta1.Msg)
   
@@ -3883,6 +3885,33 @@ Msg/MsgConvertERC20ToCoin.
 
 
 
+
+<a name="kava.evmutil.v1beta1.MsgConvertNativeCoinToERC20"></a>
+
+### MsgConvertNativeCoinToERC20
+ConvertNativeCoinToERC20 defines a conversion from native sdk.Coin to ERC20.
+
+
+| Field | Type | Label | Description |
+| ----- | ---- | ----- | ----------- |
+| `initiator` | [string](#string) |  | Kava bech32 address initiating the conversion. |
+| `receiver` | [string](#string) |  | EVM hex address that will receive the ERC20 tokens. |
+| `amount` | [cosmos.base.v1beta1.Coin](#cosmos.base.v1beta1.Coin) |  | Amount is the sdk.Coin amount to convert. |
+
+
+
+
+
+
+<a name="kava.evmutil.v1beta1.MsgConvertNativeCoinToERC20Response"></a>
+
+### MsgConvertNativeCoinToERC20Response
+MsgConvertNativeCoinToERC20Response defines the response value from Msg/MsgConvertNativeCoinToERC20.
+
+
+
+
+
  <!-- end messages -->
 
  <!-- end enums -->
@@ -3899,6 +3928,7 @@ Msg defines the evmutil Msg service.
 | ----------- | ------------ | ------------- | ------------| ------- | -------- |
 | `ConvertCoinToERC20` | [MsgConvertCoinToERC20](#kava.evmutil.v1beta1.MsgConvertCoinToERC20) | [MsgConvertCoinToERC20Response](#kava.evmutil.v1beta1.MsgConvertCoinToERC20Response) | ConvertCoinToERC20 defines a method for converting sdk.Coin to Kava ERC20. | |
 | `ConvertERC20ToCoin` | [MsgConvertERC20ToCoin](#kava.evmutil.v1beta1.MsgConvertERC20ToCoin) | [MsgConvertERC20ToCoinResponse](#kava.evmutil.v1beta1.MsgConvertERC20ToCoinResponse) | ConvertERC20ToCoin defines a method for converting Kava ERC20 to sdk.Coin. | |
+| `ConvertNativeCoinToERC20` | [MsgConvertNativeCoinToERC20](#kava.evmutil.v1beta1.MsgConvertNativeCoinToERC20) | [MsgConvertNativeCoinToERC20Response](#kava.evmutil.v1beta1.MsgConvertNativeCoinToERC20Response) | ConvertNativeCoinToERC20 defines a method for converting a native sdk.Coin to an ERC20. | |
 
  <!-- end services -->
 

proto/kava/evmutil/v1beta1/tx.proto

@@ -16,6 +16,9 @@ service Msg {
 
   // ConvertERC20ToCoin defines a method for converting Kava ERC20 to sdk.Coin.
   rpc ConvertERC20ToCoin(MsgConvertERC20ToCoin) returns (MsgConvertERC20ToCoinResponse);
+
+  // ConvertNativeCoinToERC20 defines a method for converting a native sdk.Coin to an ERC20.
+  rpc ConvertNativeCoinToERC20(MsgConvertNativeCoinToERC20) returns (MsgConvertNativeCoinToERC20Response);
 }
 
 // MsgConvertCoinToERC20 defines a conversion from sdk.Coin to Kava ERC20.
@@ -50,3 +53,16 @@ message MsgConvertERC20ToCoin {
 // MsgConvertERC20ToCoinResponse defines the response value from
 // Msg/MsgConvertERC20ToCoin.
 message MsgConvertERC20ToCoinResponse {}
+
+// ConvertNativeCoinToERC20 defines a conversion from native sdk.Coin to ERC20.
+message MsgConvertNativeCoinToERC20 {
+  // Kava bech32 address initiating the conversion.
+  string initiator = 1;
+  // EVM hex address that will receive the ERC20 tokens.
+  string receiver = 2;
+  // Amount is the sdk.Coin amount to convert.
+  cosmos.base.v1beta1.Coin amount = 3;
+}
+
+// MsgConvertNativeCoinToERC20Response defines the response value from Msg/MsgConvertNativeCoinToERC20.
+message MsgConvertNativeCoinToERC20Response {}

x/evmutil/keeper/erc20_test.go

@@ -94,7 +94,7 @@ func (suite *ERC20TestSuite) TestDeployKavaWrappedNativeCoinERC20Contract() {
 	})
 
 	suite.Run("deploys contract with expected metadata & permissions", func() {
-		caller, privKey := suite.RandomAccount()
+		caller, privKey := testutil.RandomEvmAccount()
 
 		token := types.NewAllowedNativeCoinERC20Token("hard", "EVM HARD", "HARD", 6)
 		addr, err := suite.Keeper.DeployKavaWrappedNativeCoinERC20Contract(suite.Ctx, token)

x/evmutil/keeper/msg_server.go

@@ -21,6 +21,10 @@ func NewMsgServerImpl(keeper Keeper) types.MsgServer {
 
 var _ types.MsgServer = msgServer{}
 
+////////////////////////////
+// EVM-native assets -> Cosmos SDK
+////////////////////////////
+
 // ConvertCoinToERC20 handles a MsgConvertCoinToERC20 message to convert
 // sdk.Coin to Kava EVM tokens.
 func (s msgServer) ConvertCoinToERC20(
@@ -102,3 +106,17 @@ func (s msgServer) ConvertERC20ToCoin(
 
 	return &types.MsgConvertERC20ToCoinResponse{}, nil
 }
+
+////////////////////////////
+// Cosmos SDK-native assets -> EVM
+////////////////////////////
+
+// ConvertNativeCoinToERC20 converts a native sdk.Coin to an ERC20.
+// If no ERC20 contract has been deployed for the given denom, a new
+// contract will be deployed and registered to the module.
+func (msgServer) ConvertNativeCoinToERC20(
+	ctx context.Context,
+	msg *types.MsgConvertNativeCoinToERC20,
+) (*types.MsgConvertNativeCoinToERC20Response, error) {
+	return nil, fmt.Errorf("unimplemented - coming soon")
+}

x/evmutil/testutil/suite.go

@@ -72,10 +72,10 @@ func (suite *Suite) SetupTest() {
 	suite.EvmModuleAddr = suite.AccountKeeper.GetModuleAddress(evmtypes.ModuleName)
 
 	// test evm user keys that have no minting permissions
-	addr, privKey := suite.RandomAccount()
+	addr, privKey := RandomEvmAccount()
 	suite.Key1 = privKey
 	suite.Key1Addr = types.NewInternalEVMAddress(addr)
-	_, suite.Key2 = suite.RandomAccount()
+	_, suite.Key2 = RandomEvmAccount()
 
 	_, addrs := app.GeneratePrivKeyAddressPairs(4)
 	suite.Addrs = addrs
@@ -180,13 +180,6 @@ func (suite *Suite) Commit() {
 	suite.Ctx = suite.App.NewContext(false, header)
 }
 
-func (suite *Suite) RandomAccount() (common.Address, *ethsecp256k1.PrivKey) {
-	privKey, err := ethsecp256k1.GenerateKey()
-	suite.NoError(err)
-	addr := common.BytesToAddress(privKey.PubKey().Address())
-	return addr, privKey
-}
-
 func (suite *Suite) FundAccountWithKava(addr sdk.AccAddress, coins sdk.Coins) {
 	ukava := coins.AmountOf("ukava")
 	if ukava.IsPositive() {
@@ -409,3 +402,12 @@ func MustNewInternalEVMAddressFromString(addrStr string) types.InternalEVMAddres
 
 	return addr
 }
+
+func RandomEvmAccount() (common.Address, *ethsecp256k1.PrivKey) {
+	privKey, err := ethsecp256k1.GenerateKey()
+	if err != nil {
+		panic(err)
+	}
+	addr := common.BytesToAddress(privKey.PubKey().Address())
+	return addr, privKey
+}

x/evmutil/types/conversion_pair.go

@@ -12,7 +12,7 @@ import (
 )
 
 ///////////////
-// EVM -> SDK
+// EVM -> Cosmos SDK
 ///////////////
 
 // NewConversionPair returns a new ConversionPair.
@@ -95,7 +95,7 @@ func validateConversionPairs(i interface{}) error {
 }
 
 ///////////////
-// SDK -> EVM
+// Cosmos SDK -> EVM
 ///////////////
 
 // NewAllowedNativeCoinERC20Token returns an AllowedNativeCoinERC20Token

x/evmutil/types/msg.go

@@ -12,17 +12,26 @@ import (
 // ensure Msg interface compliance at compile time
 var (
 	_ sdk.Msg            = &MsgConvertCoinToERC20{}
-	_ sdk.Msg            = &MsgConvertERC20ToCoin{}
 	_ legacytx.LegacyMsg = &MsgConvertCoinToERC20{}
+	_ sdk.Msg            = &MsgConvertERC20ToCoin{}
 	_ legacytx.LegacyMsg = &MsgConvertERC20ToCoin{}
+
+	_ sdk.Msg            = &MsgConvertNativeCoinToERC20{}
+	_ legacytx.LegacyMsg = &MsgConvertNativeCoinToERC20{}
 )
 
 // legacy message types
 const (
 	TypeMsgConvertCoinToERC20 = "evmutil_convert_coin_to_erc20"
 	TypeMsgConvertERC20ToCoin = "evmutil_convert_erc20_to_coin"
+
+	TypeMsgConvertNativeCoinToERC20 = "evmutil_convert_native_coin_to_erc20"
 )
 
+////////////////////////////
+// EVM-native assets -> Cosmos SDK
+////////////////////////////
+
 // NewMsgConvertCoinToERC20 returns a new MsgConvertCoinToERC20
 func NewMsgConvertCoinToERC20(
 	initiator string,
@@ -146,3 +155,58 @@ func (msg MsgConvertERC20ToCoin) Route() string {
 func (msg MsgConvertERC20ToCoin) Type() string {
 	return TypeMsgConvertERC20ToCoin
 }
+
+////////////////////////////
+// Cosmos SDK-native assets -> EVM
+////////////////////////////
+
+// NewMsgConvertNativeCoinToERC20 returns a new MsgConvertNativeCoinToERC20
+func NewMsgConvertNativeCoinToERC20(
+	initiator string,
+	receiver string,
+	amount sdk.Coin,
+) MsgConvertNativeCoinToERC20 {
+	return MsgConvertNativeCoinToERC20{
+		Initiator: initiator,
+		Receiver:  receiver,
+		Amount:    &amount,
+	}
+}
+
+// GetSigners implements types.Msg
+func (msg MsgConvertNativeCoinToERC20) GetSigners() []sdk.AccAddress {
+	sender, err := sdk.AccAddressFromBech32(msg.Initiator)
+	if err != nil {
+		panic(err)
+	}
+	return []sdk.AccAddress{sender}
+}
+
+// ValidateBasic implements types.Msg
+func (msg MsgConvertNativeCoinToERC20) ValidateBasic() error {
+	_, err := sdk.AccAddressFromBech32(msg.Initiator)
+	if err != nil {
+		return errorsmod.Wrapf(sdkerrors.ErrInvalidAddress, "invalid initiator address (%s): %s", msg.Initiator, err.Error())
+	}
+
+	if !common.IsHexAddress(msg.Receiver) {
+		return errorsmod.Wrapf(sdkerrors.ErrInvalidAddress, "receiver is not a valid hex address (%s)", msg.Receiver)
+	}
+
+	if msg.Amount.IsNil() || !msg.Amount.IsValid() || msg.Amount.IsZero() {
+		return errorsmod.Wrapf(sdkerrors.ErrInvalidCoins, "'%s'", msg.Amount)
+	}
+
+	return nil
+}
+
+// GetSignBytes implements legacytx.LegacyMsg
+func (msg MsgConvertNativeCoinToERC20) GetSignBytes() []byte {
+	return sdk.MustSortJSON(ModuleCdc.MustMarshalJSON(&msg))
+}
+
+// Route implements legacytx.LegacyMsg
+func (MsgConvertNativeCoinToERC20) Route() string { return RouterKey }
+
+// Type implements legacytx.LegacyMsg
+func (MsgConvertNativeCoinToERC20) Type() string { return TypeMsgConvertNativeCoinToERC20 }

x/evmutil/types/msg_test.go

@@ -4,6 +4,7 @@ import (
 	"testing"
 
 	"github.com/kava-labs/kava/app"
+	"github.com/kava-labs/kava/x/evmutil/testutil"
 	"github.com/kava-labs/kava/x/evmutil/types"
 	"github.com/stretchr/testify/require"
 
@@ -198,3 +199,114 @@ func TestMsgConvertERC20ToCoin(t *testing.T) {
 		})
 	}
 }
+
+func TestConvertNativeCoinToERC20_ValidateBasic(t *testing.T) {
+	validKavaAddr := app.RandomAddress()
+	validHexAddr, _ := testutil.RandomEvmAccount()
+	invalidAddr := "not-an-address"
+	validAmount := sdk.NewInt64Coin("hard", 5e3)
+
+	testCases := []struct {
+		name        string
+		initiator   string
+		receiver    string
+		amount      sdk.Coin
+		expectedErr string
+	}{
+		{
+			name:        "valid",
+			initiator:   validKavaAddr.String(),
+			receiver:    validHexAddr.String(),
+			amount:      validAmount,
+			expectedErr: "",
+		},
+		{
+			name:        "invalid - sending to kava addr",
+			initiator:   validKavaAddr.String(),
+			receiver:    app.RandomAddress().String(),
+			amount:      validAmount,
+			expectedErr: "receiver is not a valid hex address",
+		},
+		{
+			name:        "invalid - invalid initiator",
+			initiator:   invalidAddr,
+			receiver:    app.RandomAddress().String(),
+			amount:      validAmount,
+			expectedErr: "invalid initiator address",
+		},
+		{
+			name:        "invalid - invalid receiver",
+			initiator:   validKavaAddr.String(),
+			receiver:    invalidAddr,
+			amount:      validAmount,
+			expectedErr: "receiver is not a valid hex address",
+		},
+		{
+			name:        "invalid - invalid amount - nil",
+			initiator:   validKavaAddr.String(),
+			receiver:    validHexAddr.String(),
+			amount:      sdk.Coin{},
+			expectedErr: "invalid coins",
+		},
+		{
+			name:        "invalid - invalid amount - zero",
+			initiator:   validKavaAddr.String(),
+			receiver:    validHexAddr.String(),
+			amount:      sdk.NewInt64Coin("magic", 0),
+			expectedErr: "invalid coins",
+		},
+		{
+			name:        "invalid - invalid amount - negative",
+			initiator:   validKavaAddr.String(),
+			receiver:    validHexAddr.String(),
+			amount:      sdk.Coin{Denom: "magic", Amount: sdkmath.NewInt(-42)},
+			expectedErr: "invalid coins",
+		},
+		{
+			name:        "invalid - invalid amount - invalid denom",
+			initiator:   validKavaAddr.String(),
+			receiver:    validHexAddr.String(),
+			amount:      sdk.Coin{Denom: "", Amount: sdkmath.NewInt(42)},
+			expectedErr: "invalid coins",
+		},
+	}
+
+	for _, tc := range testCases {
+		t.Run(tc.name, func(t *testing.T) {
+			msg := types.NewMsgConvertNativeCoinToERC20(
+				tc.initiator,
+				tc.receiver,
+				tc.amount,
+			)
+			err := msg.ValidateBasic()
+
+			if tc.expectedErr != "" {
+				require.ErrorContains(t, err, tc.expectedErr)
+			} else {
+				require.NoError(t, err)
+				require.Equal(t, "evmutil", msg.Route())
+				require.Equal(t, "evmutil_convert_native_coin_to_erc20", msg.Type())
+				require.NotPanics(t, func() { _ = msg.GetSignBytes() })
+			}
+		})
+	}
+}
+
+func TestConvertNativeCoinToERC20_GetSigners(t *testing.T) {
+	t.Run("valid", func(t *testing.T) {
+		initiator := app.RandomAddress()
+		signers := types.MsgConvertNativeCoinToERC20{
+			Initiator: initiator.String(),
+		}.GetSigners()
+		require.Len(t, signers, 1)
+		require.Equal(t, initiator, signers[0])
+	})
+
+	t.Run("panics when depositor is invalid", func(t *testing.T) {
+		require.Panics(t, func() {
+			types.MsgConvertNativeCoinToERC20{
+				Initiator: "not-an-address",
+			}.GetSigners()
+		})
+	})
+}

x/evmutil/types/tx.pb.go

@@ -236,47 +236,153 @@ func (m *MsgConvertERC20ToCoinResponse) XXX_DiscardUnknown() {
 
 var xxx_messageInfo_MsgConvertERC20ToCoinResponse proto.InternalMessageInfo
 
+// ConvertNativeCoinToERC20 defines a conversion from native sdk.Coin to ERC20.
+type MsgConvertNativeCoinToERC20 struct {
+	// Kava bech32 address initiating the conversion.
+	Initiator string `protobuf:"bytes,1,opt,name=initiator,proto3" json:"initiator,omitempty"`
+	// EVM hex address that will receive the ERC20 tokens.
+	Receiver string `protobuf:"bytes,2,opt,name=receiver,proto3" json:"receiver,omitempty"`
+	// Amount is the sdk.Coin amount to convert.
+	Amount *types.Coin `protobuf:"bytes,3,opt,name=amount,proto3" json:"amount,omitempty"`
+}
+
+func (m *MsgConvertNativeCoinToERC20) Reset()         { *m = MsgConvertNativeCoinToERC20{} }
+func (m *MsgConvertNativeCoinToERC20) String() string { return proto.CompactTextString(m) }
+func (*MsgConvertNativeCoinToERC20) ProtoMessage()    {}
+func (*MsgConvertNativeCoinToERC20) Descriptor() ([]byte, []int) {
+	return fileDescriptor_6e82783c6c58f89c, []int{4}
+}
+func (m *MsgConvertNativeCoinToERC20) XXX_Unmarshal(b []byte) error {
+	return m.Unmarshal(b)
+}
+func (m *MsgConvertNativeCoinToERC20) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	if deterministic {
+		return xxx_messageInfo_MsgConvertNativeCoinToERC20.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 *MsgConvertNativeCoinToERC20) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_MsgConvertNativeCoinToERC20.Merge(m, src)
+}
+func (m *MsgConvertNativeCoinToERC20) XXX_Size() int {
+	return m.Size()
+}
+func (m *MsgConvertNativeCoinToERC20) XXX_DiscardUnknown() {
+	xxx_messageInfo_MsgConvertNativeCoinToERC20.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_MsgConvertNativeCoinToERC20 proto.InternalMessageInfo
+
+func (m *MsgConvertNativeCoinToERC20) GetInitiator() string {
+	if m != nil {
+		return m.Initiator
+	}
+	return ""
+}
+
+func (m *MsgConvertNativeCoinToERC20) GetReceiver() string {
+	if m != nil {
+		return m.Receiver
+	}
+	return ""
+}
+
+func (m *MsgConvertNativeCoinToERC20) GetAmount() *types.Coin {
+	if m != nil {
+		return m.Amount
+	}
+	return nil
+}
+
+// MsgConvertNativeCoinToERC20Response defines the response value from Msg/MsgConvertNativeCoinToERC20.
+type MsgConvertNativeCoinToERC20Response struct {
+}
+
+func (m *MsgConvertNativeCoinToERC20Response) Reset()         { *m = MsgConvertNativeCoinToERC20Response{} }
+func (m *MsgConvertNativeCoinToERC20Response) String() string { return proto.CompactTextString(m) }
+func (*MsgConvertNativeCoinToERC20Response) ProtoMessage()    {}
+func (*MsgConvertNativeCoinToERC20Response) Descriptor() ([]byte, []int) {
+	return fileDescriptor_6e82783c6c58f89c, []int{5}
+}
+func (m *MsgConvertNativeCoinToERC20Response) XXX_Unmarshal(b []byte) error {
+	return m.Unmarshal(b)
+}
+func (m *MsgConvertNativeCoinToERC20Response) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	if deterministic {
+		return xxx_messageInfo_MsgConvertNativeCoinToERC20Response.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 *MsgConvertNativeCoinToERC20Response) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_MsgConvertNativeCoinToERC20Response.Merge(m, src)
+}
+func (m *MsgConvertNativeCoinToERC20Response) XXX_Size() int {
+	return m.Size()
+}
+func (m *MsgConvertNativeCoinToERC20Response) XXX_DiscardUnknown() {
+	xxx_messageInfo_MsgConvertNativeCoinToERC20Response.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_MsgConvertNativeCoinToERC20Response proto.InternalMessageInfo
+
 func init() {
 	proto.RegisterType((*MsgConvertCoinToERC20)(nil), "kava.evmutil.v1beta1.MsgConvertCoinToERC20")
 	proto.RegisterType((*MsgConvertCoinToERC20Response)(nil), "kava.evmutil.v1beta1.MsgConvertCoinToERC20Response")
 	proto.RegisterType((*MsgConvertERC20ToCoin)(nil), "kava.evmutil.v1beta1.MsgConvertERC20ToCoin")
 	proto.RegisterType((*MsgConvertERC20ToCoinResponse)(nil), "kava.evmutil.v1beta1.MsgConvertERC20ToCoinResponse")
+	proto.RegisterType((*MsgConvertNativeCoinToERC20)(nil), "kava.evmutil.v1beta1.MsgConvertNativeCoinToERC20")
+	proto.RegisterType((*MsgConvertNativeCoinToERC20Response)(nil), "kava.evmutil.v1beta1.MsgConvertNativeCoinToERC20Response")
 }
 
 func init() { proto.RegisterFile("kava/evmutil/v1beta1/tx.proto", fileDescriptor_6e82783c6c58f89c) }
 
 var fileDescriptor_6e82783c6c58f89c = []byte{
-	// 469 bytes of a gzipped FileDescriptorProto
+	// 519 bytes of a gzipped FileDescriptorProto
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+	0x42, 0x1b, 0xf2, 0x46, 0x7d, 0x03, 0xf0, 0xd1, 0x02, 0xf1, 0x8e, 0x28, 0x16, 0xd3, 0xe2, 0xc0,
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+	0x97, 0xb7, 0xeb, 0x8e, 0xc7, 0xfa, 0x14, 0x3e, 0x59, 0xc2, 0x65, 0xce, 0xb9, 0xf3, 0xb9, 0x0a,
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+	0xab, 0x27, 0x32, 0x44, 0x31, 0x44, 0x25, 0x2b, 0xfa, 0x02, 0x97, 0xfd, 0x24, 0xb8, 0x74, 0x5f,
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+	0xec, 0x83, 0x35, 0xc0, 0xf3, 0xfa, 0x85, 0xba, 0xc5, 0xc5, 0x5a, 0x59, 0xb7, 0x00, 0x5e, 0x5d,
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+	0xb7, 0x64, 0x56, 0xe8, 0x2b, 0x80, 0xd6, 0x7f, 0x07, 0xd5, 0x5e, 0x95, 0xf1, 0x56, 0x88, 0xfd,
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+	0x7a, 0xed, 0x90, 0x39, 0x95, 0xee, 0xf1, 0xcd, 0x1f, 0x07, 0xfc, 0x4c, 0x1c, 0x70, 0x99, 0x38,
-	0xee, 0xbe, 0x03, 0x00, 0x00,
+	0xe0, 0x2a, 0x71, 0xc0, 0x4d, 0xe2, 0x80, 0xef, 0x33, 0xa7, 0x72, 0x35, 0x73, 0x2a, 0xbf, 0x66,
+	0x4e, 0xe5, 0xc3, 0xf3, 0xc2, 0xde, 0xea, 0x32, 0xad, 0x33, 0xe2, 0xcb, 0xf4, 0xe4, 0x9e, 0xe7,
+	0x0f, 0x5c, 0xba, 0xbe, 0xfe, 0x66, 0xfa, 0xea, 0x1c, 0xfc, 0x0d, 0x00, 0x00, 0xff, 0xff, 0xc5,
+	0xd4, 0x72, 0x6a, 0xfd, 0x04, 0x00, 0x00,
 }
 
 func (this *MsgConvertCoinToERC20) VerboseEqual(that interface{}) error {
@@ -513,6 +619,120 @@ func (this *MsgConvertERC20ToCoinResponse) Equal(that interface{}) bool {
 	}
 	return true
 }
+func (this *MsgConvertNativeCoinToERC20) VerboseEqual(that interface{}) error {
+	if that == nil {
+		if this == nil {
+			return nil
+		}
+		return fmt.Errorf("that == nil && this != nil")
+	}
+
+	that1, ok := that.(*MsgConvertNativeCoinToERC20)
+	if !ok {
+		that2, ok := that.(MsgConvertNativeCoinToERC20)
+		if ok {
+			that1 = &that2
+		} else {
+			return fmt.Errorf("that is not of type *MsgConvertNativeCoinToERC20")
+		}
+	}
+	if that1 == nil {
+		if this == nil {
+			return nil
+		}
+		return fmt.Errorf("that is type *MsgConvertNativeCoinToERC20 but is nil && this != nil")
+	} else if this == nil {
+		return fmt.Errorf("that is type *MsgConvertNativeCoinToERC20 but is not nil && this == nil")
+	}
+	if this.Initiator != that1.Initiator {
+		return fmt.Errorf("Initiator this(%v) Not Equal that(%v)", this.Initiator, that1.Initiator)
+	}
+	if this.Receiver != that1.Receiver {
+		return fmt.Errorf("Receiver this(%v) Not Equal that(%v)", this.Receiver, that1.Receiver)
+	}
+	if !this.Amount.Equal(that1.Amount) {
+		return fmt.Errorf("Amount this(%v) Not Equal that(%v)", this.Amount, that1.Amount)
+	}
+	return nil
+}
+func (this *MsgConvertNativeCoinToERC20) Equal(that interface{}) bool {
+	if that == nil {
+		return this == nil
+	}
+
+	that1, ok := that.(*MsgConvertNativeCoinToERC20)
+	if !ok {
+		that2, ok := that.(MsgConvertNativeCoinToERC20)
+		if ok {
+			that1 = &that2
+		} else {
+			return false
+		}
+	}
+	if that1 == nil {
+		return this == nil
+	} else if this == nil {
+		return false
+	}
+	if this.Initiator != that1.Initiator {
+		return false
+	}
+	if this.Receiver != that1.Receiver {
+		return false
+	}
+	if !this.Amount.Equal(that1.Amount) {
+		return false
+	}
+	return true
+}
+func (this *MsgConvertNativeCoinToERC20Response) VerboseEqual(that interface{}) error {
+	if that == nil {
+		if this == nil {
+			return nil
+		}
+		return fmt.Errorf("that == nil && this != nil")
+	}
+
+	that1, ok := that.(*MsgConvertNativeCoinToERC20Response)
+	if !ok {
+		that2, ok := that.(MsgConvertNativeCoinToERC20Response)
+		if ok {
+			that1 = &that2
+		} else {
+			return fmt.Errorf("that is not of type *MsgConvertNativeCoinToERC20Response")
+		}
+	}
+	if that1 == nil {
+		if this == nil {
+			return nil
+		}
+		return fmt.Errorf("that is type *MsgConvertNativeCoinToERC20Response but is nil && this != nil")
+	} else if this == nil {
+		return fmt.Errorf("that is type *MsgConvertNativeCoinToERC20Response but is not nil && this == nil")
+	}
+	return nil
+}
+func (this *MsgConvertNativeCoinToERC20Response) Equal(that interface{}) bool {
+	if that == nil {
+		return this == nil
+	}
+
+	that1, ok := that.(*MsgConvertNativeCoinToERC20Response)
+	if !ok {
+		that2, ok := that.(MsgConvertNativeCoinToERC20Response)
+		if ok {
+			that1 = &that2
+		} else {
+			return false
+		}
+	}
+	if that1 == nil {
+		return this == nil
+	} else if this == nil {
+		return false
+	}
+	return true
+}
 
 // Reference imports to suppress errors if they are not otherwise used.
 var _ context.Context
@@ -530,6 +750,8 @@ type MsgClient interface {
 	ConvertCoinToERC20(ctx context.Context, in *MsgConvertCoinToERC20, opts ...grpc.CallOption) (*MsgConvertCoinToERC20Response, error)
 	// ConvertERC20ToCoin defines a method for converting Kava ERC20 to sdk.Coin.
 	ConvertERC20ToCoin(ctx context.Context, in *MsgConvertERC20ToCoin, opts ...grpc.CallOption) (*MsgConvertERC20ToCoinResponse, error)
+	// ConvertNativeCoinToERC20 defines a method for converting a native sdk.Coin to an ERC20.
+	ConvertNativeCoinToERC20(ctx context.Context, in *MsgConvertNativeCoinToERC20, opts ...grpc.CallOption) (*MsgConvertNativeCoinToERC20Response, error)
 }
 
 type msgClient struct {
@@ -558,12 +780,23 @@ func (c *msgClient) ConvertERC20ToCoin(ctx context.Context, in *MsgConvertERC20T
 	return out, nil
 }
 
+func (c *msgClient) ConvertNativeCoinToERC20(ctx context.Context, in *MsgConvertNativeCoinToERC20, opts ...grpc.CallOption) (*MsgConvertNativeCoinToERC20Response, error) {
+	out := new(MsgConvertNativeCoinToERC20Response)
+	err := c.cc.Invoke(ctx, "/kava.evmutil.v1beta1.Msg/ConvertNativeCoinToERC20", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
 // MsgServer is the server API for Msg service.
 type MsgServer interface {
 	// ConvertCoinToERC20 defines a method for converting sdk.Coin to Kava ERC20.
 	ConvertCoinToERC20(context.Context, *MsgConvertCoinToERC20) (*MsgConvertCoinToERC20Response, error)
 	// ConvertERC20ToCoin defines a method for converting Kava ERC20 to sdk.Coin.
 	ConvertERC20ToCoin(context.Context, *MsgConvertERC20ToCoin) (*MsgConvertERC20ToCoinResponse, error)
+	// ConvertNativeCoinToERC20 defines a method for converting a native sdk.Coin to an ERC20.
+	ConvertNativeCoinToERC20(context.Context, *MsgConvertNativeCoinToERC20) (*MsgConvertNativeCoinToERC20Response, error)
 }
 
 // UnimplementedMsgServer can be embedded to have forward compatible implementations.
@@ -576,6 +809,9 @@ func (*UnimplementedMsgServer) ConvertCoinToERC20(ctx context.Context, req *MsgC
 func (*UnimplementedMsgServer) ConvertERC20ToCoin(ctx context.Context, req *MsgConvertERC20ToCoin) (*MsgConvertERC20ToCoinResponse, error) {
 	return nil, status.Errorf(codes.Unimplemented, "method ConvertERC20ToCoin not implemented")
 }
+func (*UnimplementedMsgServer) ConvertNativeCoinToERC20(ctx context.Context, req *MsgConvertNativeCoinToERC20) (*MsgConvertNativeCoinToERC20Response, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method ConvertNativeCoinToERC20 not implemented")
+}
 
 func RegisterMsgServer(s grpc1.Server, srv MsgServer) {
 	s.RegisterService(&_Msg_serviceDesc, srv)
@@ -617,6 +853,24 @@ func _Msg_ConvertERC20ToCoin_Handler(srv interface{}, ctx context.Context, dec f
 	return interceptor(ctx, in, info, handler)
 }
 
+func _Msg_ConvertNativeCoinToERC20_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(MsgConvertNativeCoinToERC20)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(MsgServer).ConvertNativeCoinToERC20(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/kava.evmutil.v1beta1.Msg/ConvertNativeCoinToERC20",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(MsgServer).ConvertNativeCoinToERC20(ctx, req.(*MsgConvertNativeCoinToERC20))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
 var _Msg_serviceDesc = grpc.ServiceDesc{
 	ServiceName: "kava.evmutil.v1beta1.Msg",
 	HandlerType: (*MsgServer)(nil),
@@ -629,6 +883,10 @@ var _Msg_serviceDesc = grpc.ServiceDesc{
 			MethodName: "ConvertERC20ToCoin",
 			Handler:    _Msg_ConvertERC20ToCoin_Handler,
 		},
+		{
+			MethodName: "ConvertNativeCoinToERC20",
+			Handler:    _Msg_ConvertNativeCoinToERC20_Handler,
+		},
 	},
 	Streams:  []grpc.StreamDesc{},
 	Metadata: "kava/evmutil/v1beta1/tx.proto",
@@ -783,6 +1041,78 @@ func (m *MsgConvertERC20ToCoinResponse) MarshalToSizedBuffer(dAtA []byte) (int,
 	return len(dAtA) - i, nil
 }
 
+func (m *MsgConvertNativeCoinToERC20) 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 *MsgConvertNativeCoinToERC20) MarshalTo(dAtA []byte) (int, error) {
+	size := m.Size()
+	return m.MarshalToSizedBuffer(dAtA[:size])
+}
+
+func (m *MsgConvertNativeCoinToERC20) MarshalToSizedBuffer(dAtA []byte) (int, error) {
+	i := len(dAtA)
+	_ = i
+	var l int
+	_ = l
+	if m.Amount != nil {
+		{
+			size, err := m.Amount.MarshalToSizedBuffer(dAtA[:i])
+			if err != nil {
+				return 0, err
+			}
+			i -= size
+			i = encodeVarintTx(dAtA, i, uint64(size))
+		}
+		i--
+		dAtA[i] = 0x1a
+	}
+	if len(m.Receiver) > 0 {
+		i -= len(m.Receiver)
+		copy(dAtA[i:], m.Receiver)
+		i = encodeVarintTx(dAtA, i, uint64(len(m.Receiver)))
+		i--
+		dAtA[i] = 0x12
+	}
+	if len(m.Initiator) > 0 {
+		i -= len(m.Initiator)
+		copy(dAtA[i:], m.Initiator)
+		i = encodeVarintTx(dAtA, i, uint64(len(m.Initiator)))
+		i--
+		dAtA[i] = 0xa
+	}
+	return len(dAtA) - i, nil
+}
+
+func (m *MsgConvertNativeCoinToERC20Response) 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 *MsgConvertNativeCoinToERC20Response) MarshalTo(dAtA []byte) (int, error) {
+	size := m.Size()
+	return m.MarshalToSizedBuffer(dAtA[:size])
+}
+
+func (m *MsgConvertNativeCoinToERC20Response) MarshalToSizedBuffer(dAtA []byte) (int, error) {
+	i := len(dAtA)
+	_ = i
+	var l int
+	_ = l
+	return len(dAtA) - i, nil
+}
+
 func encodeVarintTx(dAtA []byte, offset int, v uint64) int {
 	offset -= sovTx(v)
 	base := offset
@@ -856,6 +1186,36 @@ func (m *MsgConvertERC20ToCoinResponse) Size() (n int) {
 	return n
 }
 
+func (m *MsgConvertNativeCoinToERC20) Size() (n int) {
+	if m == nil {
+		return 0
+	}
+	var l int
+	_ = l
+	l = len(m.Initiator)
+	if l > 0 {
+		n += 1 + l + sovTx(uint64(l))
+	}
+	l = len(m.Receiver)
+	if l > 0 {
+		n += 1 + l + sovTx(uint64(l))
+	}
+	if m.Amount != nil {
+		l = m.Amount.Size()
+		n += 1 + l + sovTx(uint64(l))
+	}
+	return n
+}
+
+func (m *MsgConvertNativeCoinToERC20Response) Size() (n int) {
+	if m == nil {
+		return 0
+	}
+	var l int
+	_ = l
+	return n
+}
+
 func sovTx(x uint64) (n int) {
 	return (math_bits.Len64(x|1) + 6) / 7
 }
@@ -1292,6 +1652,206 @@ func (m *MsgConvertERC20ToCoinResponse) Unmarshal(dAtA []byte) error {
 	}
 	return nil
 }
+func (m *MsgConvertNativeCoinToERC20) 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: MsgConvertNativeCoinToERC20: wiretype end group for non-group")
+		}
+		if fieldNum <= 0 {
+			return fmt.Errorf("proto: MsgConvertNativeCoinToERC20: illegal tag %d (wire type %d)", fieldNum, wire)
+		}
+		switch fieldNum {
+		case 1:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Initiator", 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.Initiator = string(dAtA[iNdEx:postIndex])
+			iNdEx = postIndex
+		case 2:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Receiver", 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.Receiver = string(dAtA[iNdEx:postIndex])
+			iNdEx = postIndex
+		case 3:
+			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
+			}
+			if m.Amount == nil {
+				m.Amount = &types.Coin{}
+			}
+			if err := m.Amount.Unmarshal(dAtA[iNdEx:postIndex]); err != nil {
+				return err
+			}
+			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 *MsgConvertNativeCoinToERC20Response) 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: MsgConvertNativeCoinToERC20Response: wiretype end group for non-group")
+		}
+		if fieldNum <= 0 {
+			return fmt.Errorf("proto: MsgConvertNativeCoinToERC20Response: 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 skipTx(dAtA []byte) (n int, err error) {
 	l := len(dAtA)
 	iNdEx := 0