/
message_burn.go
59 lines (46 loc) · 1.22 KB
/
message_burn.go
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package types
import (
sdk "github.com/cosmos/cosmos-sdk/types"
sdkerrors "github.com/cosmos/cosmos-sdk/types/errors"
)
const TypeMsgBurn = "burn"
var _ sdk.Msg = &MsgBurn{}
func NewMsgBurn(from string, amount sdk.Coin) *MsgBurn {
return &MsgBurn{
From: from,
Amount: amount,
}
}
func (msg *MsgBurn) Route() string {
return RouterKey
}
func (msg *MsgBurn) Type() string {
return TypeMsgBurn
}
func (msg *MsgBurn) GetSigners() []sdk.AccAddress {
from, err := sdk.AccAddressFromBech32(msg.From)
if err != nil {
panic(err)
}
return []sdk.AccAddress{from}
}
func (msg *MsgBurn) GetSignBytes() []byte {
bz := ModuleCdc.MustMarshalJSON(msg)
return sdk.MustSortJSON(bz)
}
func (msg *MsgBurn) ValidateBasic() error {
_, err := sdk.AccAddressFromBech32(msg.From)
if err != nil {
return sdkerrors.Wrapf(sdkerrors.ErrInvalidAddress, "invalid from address (%s)", err)
}
if msg.Amount.IsNil() {
return sdkerrors.Wrap(sdkerrors.ErrInvalidCoins, "burn amount cannot be nil")
}
if msg.Amount.IsNegative() {
return sdkerrors.Wrap(sdkerrors.ErrInvalidCoins, "burn amount cannot be negative")
}
if msg.Amount.IsZero() {
return sdkerrors.Wrap(sdkerrors.ErrInvalidCoins, "burn amount cannot be zero")
}
return nil
}