Add EIP712 support for create-IRO-plan message (#1287)

Co-authored-by: Michael Tsitrin <[email protected]>

x/iro/types/codec.go

@@ -5,12 +5,14 @@ import (
 	cdctypes "github.com/cosmos/cosmos-sdk/codec/types"
 	sdk "github.com/cosmos/cosmos-sdk/types"
 	"github.com/cosmos/cosmos-sdk/types/msgservice"
+	authzcodec "github.com/cosmos/cosmos-sdk/x/authz/codec"
 )
 
 func RegisterCodec(cdc *codec.LegacyAmino) {
 	cdc.RegisterConcrete(&MsgBuy{}, "iro/Buy", nil)
 	cdc.RegisterConcrete(&MsgSell{}, "iro/Sell", nil)
 	cdc.RegisterConcrete(&MsgClaim{}, "iro/Claim", nil)
+	cdc.RegisterConcrete(&MsgCreatePlan{}, "iro/CreatePlan", nil)
 	cdc.RegisterConcrete(&MsgUpdateParams{}, "iro/UpdateParams", nil)
 }
 
@@ -20,6 +22,7 @@ func RegisterInterfaces(registry cdctypes.InterfaceRegistry) {
 		&MsgBuy{},
 		&MsgSell{},
 		&MsgClaim{},
+		&MsgCreatePlan{},
 		&MsgUpdateParams{},
 	)
 
@@ -28,5 +31,15 @@ func RegisterInterfaces(registry cdctypes.InterfaceRegistry) {
 
 var (
 	Amino     = codec.NewLegacyAmino()
-	ModuleCdc = codec.NewProtoCodec(cdctypes.NewInterfaceRegistry())
+	ModuleCdc = codec.NewAminoCodec(Amino)
 )
+
+func init() {
+	RegisterCodec(Amino)
+	// Register all Amino interfaces and concrete types on the authz Amino codec so that this can later be
+	// used to properly serialize MsgGrant and MsgExec instances
+	sdk.RegisterLegacyAminoCodec(Amino)
+	RegisterCodec(authzcodec.Amino)
+
+	Amino.Seal()
+}

x/iro/types/msgs.go

@@ -2,17 +2,21 @@ package types
 
 import (
 	"errors"
+	"github.com/cosmos/cosmos-sdk/x/auth/migrations/legacytx"
 
 	sdk "github.com/cosmos/cosmos-sdk/types"
 	sdkerrors "github.com/cosmos/cosmos-sdk/types/errors"
 )
 
+const TypeMsgCreatePlan = "create_plan"
+
 var (
-	_ sdk.Msg = &MsgCreatePlan{}
-	_ sdk.Msg = &MsgBuy{}
-	_ sdk.Msg = &MsgSell{}
-	_ sdk.Msg = &MsgClaim{}
-	_ sdk.Msg = &MsgUpdateParams{}
+	_ sdk.Msg            = &MsgCreatePlan{}
+	_ sdk.Msg            = &MsgBuy{}
+	_ sdk.Msg            = &MsgSell{}
+	_ sdk.Msg            = &MsgClaim{}
+	_ sdk.Msg            = &MsgUpdateParams{}
+	_ legacytx.LegacyMsg = &MsgCreatePlan{}
 )
 
 // ValidateBasic performs basic validation checks on the MsgCreatePlan message.
@@ -45,11 +49,24 @@ func (m *MsgCreatePlan) ValidateBasic() error {
 	return nil
 }
 
+func (m *MsgCreatePlan) Route() string {
+	return RouterKey
+}
+
+func (m *MsgCreatePlan) Type() string {
+	return TypeMsgCreatePlan
+}
+
 func (m *MsgCreatePlan) GetSigners() []sdk.AccAddress {
 	addr := sdk.MustAccAddressFromBech32(m.Owner)
 	return []sdk.AccAddress{addr}
 }
 
+func (m *MsgCreatePlan) GetSignBytes() []byte {
+	bz := ModuleCdc.MustMarshalJSON(m)
+	return sdk.MustSortJSON(bz)
+}
+
 func (m *MsgBuy) ValidateBasic() error {
 	// buyer bech32
 	_, err := sdk.AccAddressFromBech32(m.Buyer)