cosmos-sdk/x/feegrant/types/msgs.go

110 lines
3.2 KiB
Go

package types
import (
"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"
)
var (
_, _ sdk.Msg = &MsgGrantFeeAllowance{}, &MsgRevokeFeeAllowance{}
_ types.UnpackInterfacesMessage = &MsgGrantFeeAllowance{}
)
// NewMsgGrantFeeAllowance creates a new MsgGrantFeeAllowance.
//nolint:interfacer
func NewMsgGrantFeeAllowance(feeAllowance FeeAllowanceI, granter, grantee sdk.AccAddress) (*MsgGrantFeeAllowance, error) {
msg, ok := feeAllowance.(proto.Message)
if !ok {
return nil, sdkerrors.Wrapf(sdkerrors.ErrPackAny, "cannot proto marshal %T", msg)
}
any, err := types.NewAnyWithValue(msg)
if err != nil {
return nil, err
}
return &MsgGrantFeeAllowance{
Granter: granter.String(),
Grantee: grantee.String(),
Allowance: any,
}, nil
}
// ValidateBasic implements the sdk.Msg interface.
func (msg MsgGrantFeeAllowance) ValidateBasic() error {
if msg.Granter == "" {
return sdkerrors.Wrap(sdkerrors.ErrInvalidAddress, "missing granter address")
}
if msg.Grantee == "" {
return sdkerrors.Wrap(sdkerrors.ErrInvalidAddress, "missing grantee address")
}
if msg.Grantee == msg.Granter {
return sdkerrors.Wrap(sdkerrors.ErrInvalidAddress, "cannot self-grant fee authorization")
}
allowance, err := msg.GetFeeAllowanceI()
if err != nil {
return err
}
return allowance.ValidateBasic()
}
// GetSigners gets the granter account associated with an allowance
func (msg MsgGrantFeeAllowance) GetSigners() []sdk.AccAddress {
granter, err := sdk.AccAddressFromBech32(msg.Granter)
if err != nil {
panic(err)
}
return []sdk.AccAddress{granter}
}
// GetFeeAllowanceI returns unpacked FeeAllowance
func (msg MsgGrantFeeAllowance) GetFeeAllowanceI() (FeeAllowanceI, error) {
allowance, ok := msg.Allowance.GetCachedValue().(FeeAllowanceI)
if !ok {
return nil, sdkerrors.Wrap(ErrNoAllowance, "failed to get allowance")
}
return allowance, nil
}
// UnpackInterfaces implements UnpackInterfacesMessage.UnpackInterfaces
func (msg MsgGrantFeeAllowance) UnpackInterfaces(unpacker types.AnyUnpacker) error {
var allowance FeeAllowanceI
return unpacker.UnpackAny(msg.Allowance, &allowance)
}
// NewMsgRevokeFeeAllowance returns a message to revoke a fee allowance for a given
// granter and grantee
//nolint:interfacer
func NewMsgRevokeFeeAllowance(granter sdk.AccAddress, grantee sdk.AccAddress) MsgRevokeFeeAllowance {
return MsgRevokeFeeAllowance{Granter: granter.String(), Grantee: grantee.String()}
}
func (msg MsgRevokeFeeAllowance) ValidateBasic() error {
if msg.Granter == "" {
return sdkerrors.Wrap(sdkerrors.ErrInvalidAddress, "missing granter address")
}
if msg.Grantee == "" {
return sdkerrors.Wrap(sdkerrors.ErrInvalidAddress, "missing grantee address")
}
if msg.Grantee == msg.Granter {
return sdkerrors.Wrap(sdkerrors.ErrInvalidAddress, "addresses must be different")
}
return nil
}
// GetSigners gets the granter address associated with an Allowance
// to revoke.
func (msg MsgRevokeFeeAllowance) GetSigners() []sdk.AccAddress {
granter, err := sdk.AccAddressFromBech32(msg.Granter)
if err != nil {
panic(err)
}
return []sdk.AccAddress{granter}
}