package group

import (
	proto "github.com/gogo/protobuf/proto"

	"github.com/cosmos/cosmos-sdk/codec/types"
	sdk "github.com/cosmos/cosmos-sdk/types"
	sdkerrors "github.com/cosmos/cosmos-sdk/types/errors"
	"github.com/cosmos/cosmos-sdk/types/tx"
	errors "github.com/cosmos/cosmos-sdk/x/group/errors"
	"github.com/cosmos/cosmos-sdk/x/group/internal/math"
)

var _ sdk.Msg = &MsgCreateGroup{}

// Route Implements Msg.
func (m MsgCreateGroup) Route() string { return sdk.MsgTypeURL(&m) }

// Type Implements Msg.
func (m MsgCreateGroup) Type() string { return sdk.MsgTypeURL(&m) }

// GetSignBytes Implements Msg.
func (m MsgCreateGroup) GetSignBytes() []byte {
	return sdk.MustSortJSON(ModuleCdc.MustMarshalJSON(&m))
}

// GetSigners returns the expected signers for a MsgCreateGroup.
func (m MsgCreateGroup) GetSigners() []sdk.AccAddress {
	admin, err := sdk.AccAddressFromBech32(m.Admin)
	if err != nil {
		panic(err)
	}
	return []sdk.AccAddress{admin}
}

// ValidateBasic does a sanity check on the provided data
func (m MsgCreateGroup) ValidateBasic() error {
	_, err := sdk.AccAddressFromBech32(m.Admin)
	if err != nil {
		return sdkerrors.Wrap(err, "admin")
	}

	return strictValidateMembers(m.Members)
}

// ValidateBasic performs stateless validation on a group member, such as
// making sure the address is well-formed, and the weight is non-negative.
// Note: in state, a member's weight MUST be positive. However, in some Msgs,
// it's possible to set a zero member weight, for example in
// MsgUpdateGroupMembers to denote that we're removing a member.
func (m Member) ValidateBasic() error {
	_, err := sdk.AccAddressFromBech32(m.Address)
	if err != nil {
		return sdkerrors.Wrap(err, "address")
	}

	if _, err := math.NewNonNegativeDecFromString(m.Weight); err != nil {
		return sdkerrors.Wrap(err, "weight")
	}

	return nil
}

var _ sdk.Msg = &MsgUpdateGroupAdmin{}

// Route Implements Msg.
func (m MsgUpdateGroupAdmin) Route() string {
	return sdk.MsgTypeURL(&m)
}

// Type Implements Msg.
func (m MsgUpdateGroupAdmin) Type() string { return sdk.MsgTypeURL(&m) }

// GetSignBytes Implements Msg.
func (m MsgUpdateGroupAdmin) GetSignBytes() []byte {
	return sdk.MustSortJSON(ModuleCdc.MustMarshalJSON(&m))
}

// GetSigners returns the expected signers for a MsgUpdateGroupAdmin.
func (m MsgUpdateGroupAdmin) GetSigners() []sdk.AccAddress {
	admin, err := sdk.AccAddressFromBech32(m.Admin)
	if err != nil {
		panic(err)
	}
	return []sdk.AccAddress{admin}
}

// ValidateBasic does a sanity check on the provided data
func (m MsgUpdateGroupAdmin) ValidateBasic() error {
	if m.GroupId == 0 {
		return sdkerrors.Wrap(errors.ErrEmpty, "group id")
	}

	admin, err := sdk.AccAddressFromBech32(m.Admin)
	if err != nil {
		return sdkerrors.Wrap(err, "admin")
	}

	newAdmin, err := sdk.AccAddressFromBech32(m.NewAdmin)
	if err != nil {
		return sdkerrors.Wrap(err, "new admin")
	}

	if admin.Equals(newAdmin) {
		return sdkerrors.Wrap(errors.ErrInvalid, "new and old admin are the same")
	}
	return nil
}

func (m *MsgUpdateGroupAdmin) GetGroupID() uint64 {
	return m.GroupId
}

var _ sdk.Msg = &MsgUpdateGroupMetadata{}

// Route Implements Msg.
func (m MsgUpdateGroupMetadata) Route() string {
	return sdk.MsgTypeURL(&m)
}

// Type Implements Msg.
func (m MsgUpdateGroupMetadata) Type() string { return sdk.MsgTypeURL(&m) }

// GetSignBytes Implements Msg.
func (m MsgUpdateGroupMetadata) GetSignBytes() []byte {
	return sdk.MustSortJSON(ModuleCdc.MustMarshalJSON(&m))
}

// GetSigners returns the expected signers for a MsgUpdateGroupMetadata.
func (m MsgUpdateGroupMetadata) GetSigners() []sdk.AccAddress {
	admin, err := sdk.AccAddressFromBech32(m.Admin)
	if err != nil {
		panic(err)
	}
	return []sdk.AccAddress{admin}
}

// ValidateBasic does a sanity check on the provided data
func (m MsgUpdateGroupMetadata) ValidateBasic() error {
	if m.GroupId == 0 {
		return sdkerrors.Wrap(errors.ErrEmpty, "group id")

	}
	_, err := sdk.AccAddressFromBech32(m.Admin)
	if err != nil {
		return sdkerrors.Wrap(err, "admin")
	}

	return nil
}

func (m *MsgUpdateGroupMetadata) GetGroupID() uint64 {
	return m.GroupId
}

var _ sdk.Msg = &MsgUpdateGroupMembers{}

// Route Implements Msg.
func (m MsgUpdateGroupMembers) Route() string {
	return sdk.MsgTypeURL(&m)
}

// Type Implements Msg.
func (m MsgUpdateGroupMembers) Type() string { return sdk.MsgTypeURL(&m) }

// GetSignBytes Implements Msg.
func (m MsgUpdateGroupMembers) GetSignBytes() []byte {
	return sdk.MustSortJSON(ModuleCdc.MustMarshalJSON(&m))
}

var _ sdk.Msg = &MsgUpdateGroupMembers{}

// GetSigners returns the expected signers for a MsgUpdateGroupMembers.
func (m MsgUpdateGroupMembers) GetSigners() []sdk.AccAddress {
	admin, err := sdk.AccAddressFromBech32(m.Admin)
	if err != nil {
		panic(err)
	}
	return []sdk.AccAddress{admin}
}

// ValidateBasic does a sanity check on the provided data
func (m MsgUpdateGroupMembers) ValidateBasic() error {
	if m.GroupId == 0 {
		return sdkerrors.Wrap(errors.ErrEmpty, "group id")

	}
	_, err := sdk.AccAddressFromBech32(m.Admin)
	if err != nil {
		return sdkerrors.Wrap(err, "admin")
	}

	if len(m.MemberUpdates) == 0 {
		return sdkerrors.Wrap(errors.ErrEmpty, "member updates")
	}
	members := Members{Members: m.MemberUpdates}
	if err := members.ValidateBasic(); err != nil {
		return sdkerrors.Wrap(err, "members")
	}
	return nil
}

func (m *MsgUpdateGroupMembers) GetGroupID() uint64 {
	return m.GroupId
}

var _ sdk.Msg = &MsgCreateGroupWithPolicy{}
var _ types.UnpackInterfacesMessage = MsgCreateGroupWithPolicy{}

// NewMsgCreateGroupWithPolicy creates a new MsgCreateGroupWithPolicy.
func NewMsgCreateGroupWithPolicy(admin string, members []Member, groupMetadata string, groupPolicyMetadata string, groupPolicyAsAdmin bool, decisionPolicy DecisionPolicy) (*MsgCreateGroupWithPolicy, error) {
	m := &MsgCreateGroupWithPolicy{
		Admin:               admin,
		Members:             members,
		GroupMetadata:       groupMetadata,
		GroupPolicyMetadata: groupPolicyMetadata,
		GroupPolicyAsAdmin:  groupPolicyAsAdmin,
	}
	err := m.SetDecisionPolicy(decisionPolicy)
	if err != nil {
		return nil, err
	}
	return m, nil
}

func (m *MsgCreateGroupWithPolicy) GetDecisionPolicy() (DecisionPolicy, error) {
	decisionPolicy, ok := m.DecisionPolicy.GetCachedValue().(DecisionPolicy)
	if !ok {
		return nil, sdkerrors.ErrInvalidType.Wrapf("expected %T, got %T", (DecisionPolicy)(nil), m.DecisionPolicy.GetCachedValue())
	}
	return decisionPolicy, nil
}

func (m *MsgCreateGroupWithPolicy) SetDecisionPolicy(decisionPolicy DecisionPolicy) error {
	any, err := types.NewAnyWithValue(decisionPolicy)
	if err != nil {
		return err
	}
	m.DecisionPolicy = any
	return nil
}

// UnpackInterfaces implements UnpackInterfacesMessage.UnpackInterfaces
func (m MsgCreateGroupWithPolicy) UnpackInterfaces(unpacker types.AnyUnpacker) error {
	var decisionPolicy DecisionPolicy
	return unpacker.UnpackAny(m.DecisionPolicy, &decisionPolicy)
}

// Route Implements Msg.
func (m MsgCreateGroupWithPolicy) Route() string {
	return sdk.MsgTypeURL(&m)
}

// Type Implements Msg.
func (m MsgCreateGroupWithPolicy) Type() string {
	return sdk.MsgTypeURL(&m)
}

// GetSignBytes Implements Msg.
func (m MsgCreateGroupWithPolicy) GetSignBytes() []byte {
	return sdk.MustSortJSON(ModuleCdc.MustMarshalJSON(&m))
}

// GetSigners returns the expected signers for a MsgCreateGroupWithPolicy.
func (m MsgCreateGroupWithPolicy) GetSigners() []sdk.AccAddress {
	admin, err := sdk.AccAddressFromBech32(m.Admin)
	if err != nil {
		panic(err)
	}
	return []sdk.AccAddress{admin}
}

// ValidateBasic does a sanity check on the provided data
func (m MsgCreateGroupWithPolicy) ValidateBasic() error {
	_, err := sdk.AccAddressFromBech32(m.Admin)
	if err != nil {
		return sdkerrors.Wrap(err, "admin")
	}
	policy, err := m.GetDecisionPolicy()
	if err != nil {
		return sdkerrors.Wrap(err, "decision policy")
	}
	if err := policy.ValidateBasic(); err != nil {
		return sdkerrors.Wrap(err, "decision policy")
	}

	return strictValidateMembers(m.Members)
}

var _ sdk.Msg = &MsgCreateGroupPolicy{}

// Route Implements Msg.
func (m MsgCreateGroupPolicy) Route() string {
	return sdk.MsgTypeURL(&m)
}

// Type Implements Msg.
func (m MsgCreateGroupPolicy) Type() string { return sdk.MsgTypeURL(&m) }

// GetSignBytes Implements Msg.
func (m MsgCreateGroupPolicy) GetSignBytes() []byte {
	return sdk.MustSortJSON(ModuleCdc.MustMarshalJSON(&m))
}

// GetSigners returns the expected signers for a MsgCreateGroupPolicy.
func (m MsgCreateGroupPolicy) GetSigners() []sdk.AccAddress {
	admin, err := sdk.AccAddressFromBech32(m.Admin)
	if err != nil {
		panic(err)
	}
	return []sdk.AccAddress{admin}
}

// ValidateBasic does a sanity check on the provided data
func (m MsgCreateGroupPolicy) ValidateBasic() error {
	_, err := sdk.AccAddressFromBech32(m.Admin)
	if err != nil {
		return sdkerrors.Wrap(err, "admin")
	}
	if m.GroupId == 0 {
		return sdkerrors.Wrap(errors.ErrEmpty, "group id")
	}

	policy, err := m.GetDecisionPolicy()
	if err != nil {
		return sdkerrors.Wrap(err, "decision policy")
	}

	if err := policy.ValidateBasic(); err != nil {
		return sdkerrors.Wrap(err, "decision policy")
	}
	return nil
}

var _ sdk.Msg = &MsgUpdateGroupPolicyAdmin{}

// Route Implements Msg.
func (m MsgUpdateGroupPolicyAdmin) Route() string {
	return sdk.MsgTypeURL(&m)
}

// Type Implements Msg.
func (m MsgUpdateGroupPolicyAdmin) Type() string { return sdk.MsgTypeURL(&m) }

// GetSignBytes Implements Msg.
func (m MsgUpdateGroupPolicyAdmin) GetSignBytes() []byte {
	return sdk.MustSortJSON(ModuleCdc.MustMarshalJSON(&m))
}

// GetSigners returns the expected signers for a MsgUpdateGroupPolicyAdmin.
func (m MsgUpdateGroupPolicyAdmin) GetSigners() []sdk.AccAddress {
	admin, err := sdk.AccAddressFromBech32(m.Admin)
	if err != nil {
		panic(err)
	}
	return []sdk.AccAddress{admin}
}

// ValidateBasic does a sanity check on the provided data
func (m MsgUpdateGroupPolicyAdmin) ValidateBasic() error {
	admin, err := sdk.AccAddressFromBech32(m.Admin)
	if err != nil {
		return sdkerrors.Wrap(err, "admin")
	}

	newAdmin, err := sdk.AccAddressFromBech32(m.NewAdmin)
	if err != nil {
		return sdkerrors.Wrap(err, "new admin")
	}

	_, err = sdk.AccAddressFromBech32(m.GroupPolicyAddress)
	if err != nil {
		return sdkerrors.Wrap(err, "group policy")
	}

	if admin.Equals(newAdmin) {
		return sdkerrors.Wrap(errors.ErrInvalid, "new and old admin are same")
	}
	return nil
}

var _ sdk.Msg = &MsgUpdateGroupPolicyDecisionPolicy{}
var _ types.UnpackInterfacesMessage = MsgUpdateGroupPolicyDecisionPolicy{}

// NewMsgUpdateGroupPolicyDecisionPolicy creates a new MsgUpdateGroupPolicyDecisionPolicy.
func NewMsgUpdateGroupPolicyDecisionPolicy(admin sdk.AccAddress, address sdk.AccAddress, decisionPolicy DecisionPolicy) (*MsgUpdateGroupPolicyDecisionPolicy, error) {
	m := &MsgUpdateGroupPolicyDecisionPolicy{
		Admin:              admin.String(),
		GroupPolicyAddress: address.String(),
	}
	err := m.SetDecisionPolicy(decisionPolicy)
	if err != nil {
		return nil, err
	}
	return m, nil
}

func (m *MsgUpdateGroupPolicyDecisionPolicy) SetDecisionPolicy(decisionPolicy DecisionPolicy) error {
	msg, ok := decisionPolicy.(proto.Message)
	if !ok {
		return sdkerrors.ErrInvalidType.Wrapf("can't proto marshal %T", msg)
	}
	any, err := types.NewAnyWithValue(msg)
	if err != nil {
		return err
	}
	m.DecisionPolicy = any
	return nil
}

// Route Implements Msg.
func (m MsgUpdateGroupPolicyDecisionPolicy) Route() string {
	return sdk.MsgTypeURL(&m)
}

// Type Implements Msg.
func (m MsgUpdateGroupPolicyDecisionPolicy) Type() string {
	return sdk.MsgTypeURL(&m)
}

// GetSignBytes Implements Msg.
func (m MsgUpdateGroupPolicyDecisionPolicy) GetSignBytes() []byte {
	return sdk.MustSortJSON(ModuleCdc.MustMarshalJSON(&m))
}

// GetSigners returns the expected signers for a MsgUpdateGroupPolicyDecisionPolicy.
func (m MsgUpdateGroupPolicyDecisionPolicy) GetSigners() []sdk.AccAddress {
	admin, err := sdk.AccAddressFromBech32(m.Admin)
	if err != nil {
		panic(err)
	}
	return []sdk.AccAddress{admin}
}

// ValidateBasic does a sanity check on the provided data
func (m MsgUpdateGroupPolicyDecisionPolicy) ValidateBasic() error {
	_, err := sdk.AccAddressFromBech32(m.Admin)
	if err != nil {
		return sdkerrors.Wrap(err, "admin")
	}

	_, err = sdk.AccAddressFromBech32(m.GroupPolicyAddress)
	if err != nil {
		return sdkerrors.Wrap(err, "group policy")
	}

	policy, err := m.GetDecisionPolicy()
	if err != nil {
		return sdkerrors.Wrap(err, "decision policy")
	}

	if err := policy.ValidateBasic(); err != nil {
		return sdkerrors.Wrap(err, "decision policy")
	}

	return nil
}

func (m *MsgUpdateGroupPolicyDecisionPolicy) GetDecisionPolicy() (DecisionPolicy, error) {
	decisionPolicy, ok := m.DecisionPolicy.GetCachedValue().(DecisionPolicy)
	if !ok {
		return nil, sdkerrors.ErrInvalidType.Wrapf("expected %T, got %T", (DecisionPolicy)(nil), m.DecisionPolicy.GetCachedValue())
	}

	return decisionPolicy, nil
}

// UnpackInterfaces implements UnpackInterfacesMessage.UnpackInterfaces
func (m MsgUpdateGroupPolicyDecisionPolicy) UnpackInterfaces(unpacker types.AnyUnpacker) error {
	var decisionPolicy DecisionPolicy
	return unpacker.UnpackAny(m.DecisionPolicy, &decisionPolicy)
}

var _ sdk.Msg = &MsgUpdateGroupPolicyMetadata{}

// Route Implements Msg.
func (m MsgUpdateGroupPolicyMetadata) Route() string {
	return sdk.MsgTypeURL(&m)
}

// Type Implements Msg.
func (m MsgUpdateGroupPolicyMetadata) Type() string { return sdk.MsgTypeURL(&m) }

// GetSignBytes Implements Msg.
func (m MsgUpdateGroupPolicyMetadata) GetSignBytes() []byte {
	return sdk.MustSortJSON(ModuleCdc.MustMarshalJSON(&m))
}

// GetSigners returns the expected signers for a MsgUpdateGroupPolicyMetadata.
func (m MsgUpdateGroupPolicyMetadata) GetSigners() []sdk.AccAddress {
	admin, err := sdk.AccAddressFromBech32(m.Admin)
	if err != nil {
		panic(err)
	}
	return []sdk.AccAddress{admin}
}

// ValidateBasic does a sanity check on the provided data
func (m MsgUpdateGroupPolicyMetadata) ValidateBasic() error {
	_, err := sdk.AccAddressFromBech32(m.Admin)
	if err != nil {
		return sdkerrors.Wrap(err, "admin")
	}

	_, err = sdk.AccAddressFromBech32(m.GroupPolicyAddress)
	if err != nil {
		return sdkerrors.Wrap(err, "group policy")
	}

	return nil
}

var _ sdk.Msg = &MsgCreateGroupPolicy{}
var _ types.UnpackInterfacesMessage = MsgCreateGroupPolicy{}

// NewMsgCreateGroupPolicy creates a new MsgCreateGroupPolicy.
func NewMsgCreateGroupPolicy(admin sdk.AccAddress, group uint64, metadata string, decisionPolicy DecisionPolicy) (*MsgCreateGroupPolicy, error) {
	m := &MsgCreateGroupPolicy{
		Admin:    admin.String(),
		GroupId:  group,
		Metadata: metadata,
	}
	err := m.SetDecisionPolicy(decisionPolicy)
	if err != nil {
		return nil, err
	}
	return m, nil
}

func (m *MsgCreateGroupPolicy) GetAdmin() string {
	return m.Admin
}

func (m *MsgCreateGroupPolicy) GetGroupID() uint64 {
	return m.GroupId
}

func (m *MsgCreateGroupPolicy) GetMetadata() string {
	return m.Metadata
}

func (m *MsgCreateGroupPolicy) GetDecisionPolicy() (DecisionPolicy, error) {
	decisionPolicy, ok := m.DecisionPolicy.GetCachedValue().(DecisionPolicy)
	if !ok {
		return nil, sdkerrors.ErrInvalidType.Wrapf("expected %T, got %T", (DecisionPolicy)(nil), m.DecisionPolicy.GetCachedValue())
	}
	return decisionPolicy, nil
}

func (m *MsgCreateGroupPolicy) SetDecisionPolicy(decisionPolicy DecisionPolicy) error {
	any, err := types.NewAnyWithValue(decisionPolicy)
	if err != nil {
		return err
	}
	m.DecisionPolicy = any
	return nil
}

// UnpackInterfaces implements UnpackInterfacesMessage.UnpackInterfaces
func (m MsgCreateGroupPolicy) UnpackInterfaces(unpacker types.AnyUnpacker) error {
	var decisionPolicy DecisionPolicy
	return unpacker.UnpackAny(m.DecisionPolicy, &decisionPolicy)
}

var _ sdk.Msg = &MsgSubmitProposal{}

// NewMsgSubmitProposal creates a new MsgSubmitProposal.
func NewMsgSubmitProposal(address string, proposers []string, msgs []sdk.Msg, metadata string, exec Exec) (*MsgSubmitProposal, error) {
	m := &MsgSubmitProposal{
		GroupPolicyAddress: address,
		Proposers:          proposers,
		Metadata:           metadata,
		Exec:               exec,
	}
	err := m.SetMsgs(msgs)
	if err != nil {
		return nil, err
	}
	return m, nil
}

// Route Implements Msg.
func (m MsgSubmitProposal) Route() string {
	return sdk.MsgTypeURL(&m)
}

// Type Implements Msg.
func (m MsgSubmitProposal) Type() string { return sdk.MsgTypeURL(&m) }

// GetSignBytes Implements Msg.
func (m MsgSubmitProposal) GetSignBytes() []byte {
	return sdk.MustSortJSON(ModuleCdc.MustMarshalJSON(&m))
}

// GetSigners returns the expected signers for a MsgSubmitProposal.
func (m MsgSubmitProposal) GetSigners() []sdk.AccAddress {
	addrs, err := m.getProposerAccAddresses()
	if err != nil {
		panic(err)
	}

	return addrs
}

// ValidateBasic does a sanity check on the provided proposal, such as
// verifying proposer addresses, and performing ValidateBasic on each
// individual `sdk.Msg`.
func (m MsgSubmitProposal) ValidateBasic() error {
	_, err := sdk.AccAddressFromBech32(m.GroupPolicyAddress)
	if err != nil {
		return sdkerrors.Wrap(err, "group policy")
	}

	if len(m.Proposers) == 0 {
		return sdkerrors.Wrap(errors.ErrEmpty, "proposers")
	}

	addrs, err := m.getProposerAccAddresses()
	if err != nil {
		return sdkerrors.Wrap(err, "group proposers")
	}

	if err := accAddresses(addrs).ValidateBasic(); err != nil {
		return sdkerrors.Wrap(err, "proposers")
	}

	msgs, err := m.GetMsgs()
	if err != nil {
		return err
	}

	for i, msg := range msgs {
		if err := msg.ValidateBasic(); err != nil {
			return sdkerrors.Wrapf(err, "msg %d", i)
		}
	}
	return nil
}

// getProposerAccAddresses returns the proposers as `[]sdk.AccAddress`.
func (m *MsgSubmitProposal) getProposerAccAddresses() ([]sdk.AccAddress, error) {
	addrs := make([]sdk.AccAddress, len(m.Proposers))
	for i, proposer := range m.Proposers {
		addr, err := sdk.AccAddressFromBech32(proposer)
		if err != nil {
			return nil, sdkerrors.Wrap(err, "proposers")
		}
		addrs[i] = addr
	}

	return addrs, nil
}

// SetMsgs packs msgs into Any's
func (m *MsgSubmitProposal) SetMsgs(msgs []sdk.Msg) error {
	anys, err := tx.SetMsgs(msgs)
	if err != nil {
		return err
	}
	m.Messages = anys
	return nil
}

// GetMsgs unpacks m.Messages Any's into sdk.Msg's
func (m MsgSubmitProposal) GetMsgs() ([]sdk.Msg, error) {
	return tx.GetMsgs(m.Messages, "proposal")
}

// UnpackInterfaces implements UnpackInterfacesMessage.UnpackInterfaces
func (m MsgSubmitProposal) UnpackInterfaces(unpacker types.AnyUnpacker) error {
	return tx.UnpackInterfaces(unpacker, m.Messages)
}

var _ sdk.Msg = &MsgWithdrawProposal{}

// Route Implements Msg.
func (m MsgWithdrawProposal) Route() string { return sdk.MsgTypeURL(&m) }

// Type Implements Msg.
func (m MsgWithdrawProposal) Type() string { return sdk.MsgTypeURL(&m) }

// GetSignBytes Implements Msg.
func (m MsgWithdrawProposal) GetSignBytes() []byte {
	return sdk.MustSortJSON(ModuleCdc.MustMarshalJSON(&m))
}

// GetSigners returns the expected signers for a MsgWithdrawProposal.
func (m MsgWithdrawProposal) GetSigners() []sdk.AccAddress {
	admin, err := sdk.AccAddressFromBech32(m.Address)
	if err != nil {
		panic(err)
	}
	return []sdk.AccAddress{admin}
}

// ValidateBasic does a sanity check on the provided data
func (m MsgWithdrawProposal) ValidateBasic() error {
	_, err := sdk.AccAddressFromBech32(m.Address)
	if err != nil {
		return sdkerrors.Wrap(err, "admin")
	}

	if m.ProposalId == 0 {
		return sdkerrors.Wrap(errors.ErrEmpty, "proposal id")
	}

	return nil
}

var _ sdk.Msg = &MsgVote{}

// Route Implements Msg.
func (m MsgVote) Route() string {
	return sdk.MsgTypeURL(&m)
}

// Type Implements Msg.
func (m MsgVote) Type() string { return sdk.MsgTypeURL(&m) }

// GetSignBytes Implements Msg.
func (m MsgVote) GetSignBytes() []byte {
	return sdk.MustSortJSON(ModuleCdc.MustMarshalJSON(&m))
}

// GetSigners returns the expected signers for a MsgVote.
func (m MsgVote) GetSigners() []sdk.AccAddress {
	addr, err := sdk.AccAddressFromBech32(m.Voter)
	if err != nil {
		panic(err)
	}
	return []sdk.AccAddress{addr}
}

// ValidateBasic does a sanity check on the provided data
func (m MsgVote) ValidateBasic() error {
	_, err := sdk.AccAddressFromBech32(m.Voter)
	if err != nil {
		return sdkerrors.Wrap(err, "voter")
	}
	if m.ProposalId == 0 {
		return sdkerrors.Wrap(errors.ErrEmpty, "proposal id")
	}
	if m.Option == VOTE_OPTION_UNSPECIFIED {
		return sdkerrors.Wrap(errors.ErrEmpty, "vote option")
	}
	if _, ok := VoteOption_name[int32(m.Option)]; !ok {
		return sdkerrors.Wrap(errors.ErrInvalid, "vote option")
	}
	return nil
}

var _ sdk.Msg = &MsgExec{}

// Route Implements Msg.
func (m MsgExec) Route() string {
	return sdk.MsgTypeURL(&m)
}

// Type Implements Msg.
func (m MsgExec) Type() string { return sdk.MsgTypeURL(&m) }

// GetSignBytes Implements Msg.
func (m MsgExec) GetSignBytes() []byte {
	return sdk.MustSortJSON(ModuleCdc.MustMarshalJSON(&m))
}

// GetSigners returns the expected signers for a MsgExec.
func (m MsgExec) GetSigners() []sdk.AccAddress {
	signer, err := sdk.AccAddressFromBech32(m.Executor)
	if err != nil {
		panic(err)
	}
	return []sdk.AccAddress{signer}
}

// ValidateBasic does a sanity check on the provided data
func (m MsgExec) ValidateBasic() error {
	_, err := sdk.AccAddressFromBech32(m.Executor)
	if err != nil {
		return sdkerrors.Wrap(err, "signer")
	}
	if m.ProposalId == 0 {
		return sdkerrors.Wrap(errors.ErrEmpty, "proposal id")
	}
	return nil
}

var _ sdk.Msg = &MsgLeaveGroup{}

// Route Implements Msg
func (m MsgLeaveGroup) Route() string {
	return sdk.MsgTypeURL(&m)
}

// Type Implements Msg
func (m MsgLeaveGroup) Type() string { return sdk.MsgTypeURL(&m) }

// GetSignBytes Implements Msg
func (m MsgLeaveGroup) GetSignBytes() []byte {
	return sdk.MustSortJSON(ModuleCdc.MustMarshalJSON(&m))
}

// GetSigners returns the expected signers for a MsgLeaveGroup
func (m MsgLeaveGroup) GetSigners() []sdk.AccAddress {
	signer, err := sdk.AccAddressFromBech32(m.Address)
	if err != nil {
		panic(err)
	}

	return []sdk.AccAddress{signer}
}

// ValidateBasic does a sanity check on the provided data
func (m MsgLeaveGroup) ValidateBasic() error {
	_, err := sdk.AccAddressFromBech32(m.Address)
	if err != nil {
		return sdkerrors.Wrap(err, "group member")
	}

	if m.GroupId == 0 {
		return sdkerrors.Wrap(errors.ErrEmpty, "group-id")
	}
	return nil
}

// strictValidateMembers performs ValidateBasic on Members, but also checks
// that all members weights are positive (whereas `Members{members}.ValidateBasic()`
// only checks that they are non-negative.
func strictValidateMembers(members []Member) error {
	err := Members{members}.ValidateBasic()
	if err != nil {
		return err
	}

	for _, m := range members {
		if _, err := math.NewPositiveDecFromString(m.Weight); err != nil {
			return sdkerrors.Wrap(err, "weight")
		}
	}

	return nil
}