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message_redeem_stake.go
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message_redeem_stake.go
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package types
import (
sdk "github.com/cosmos/cosmos-sdk/types"
sdkerrors "github.com/cosmos/cosmos-sdk/types/errors"
)
const TypeMsgRedeemStake = "redeem_stake"
var _ sdk.Msg = &MsgRedeemStake{}
func NewMsgRedeemStake(creator string, amount uint64, hostZone string, receiver string) *MsgRedeemStake {
return &MsgRedeemStake{
Creator: creator,
Amount: amount,
HostZone: hostZone,
Receiver: receiver,
}
}
func (msg *MsgRedeemStake) Route() string {
return RouterKey
}
func (msg *MsgRedeemStake) Type() string {
return TypeMsgRedeemStake
}
func (msg *MsgRedeemStake) GetSigners() []sdk.AccAddress {
creator, err := sdk.AccAddressFromBech32(msg.Creator)
if err != nil {
panic(err)
}
return []sdk.AccAddress{creator}
}
func (msg *MsgRedeemStake) GetSignBytes() []byte {
bz := ModuleCdc.MustMarshalJSON(msg)
return sdk.MustSortJSON(bz)
}
func (msg *MsgRedeemStake) ValidateBasic() error {
// check valid creator address
_, err := sdk.AccAddressFromBech32(msg.Creator)
if err != nil {
return sdkerrors.Wrapf(sdkerrors.ErrInvalidAddress, "invalid creator address (%s)", err)
}
// validate host zone is not empty
// we check validity in the RedeemState function
if msg.Receiver == "" {
return sdkerrors.Wrapf(ErrRequiredFieldEmpty, "receiver cannot be empty")
}
// ensure amount is a nonzero positive integer
if msg.Amount <= 0 {
return sdkerrors.Wrapf(sdkerrors.ErrInvalidRequest, "invalid amount (%d)", msg.Amount)
}
// validate host zone is not empty
if msg.HostZone == "" {
return sdkerrors.Wrapf(ErrRequiredFieldEmpty, "host zone cannot be empty")
}
// math.MaxInt64 == 1<<63 - 1
if !(msg.Amount < (1<<63 - 1)) {
return sdkerrors.Wrapf(ErrInvalidAmount, "amount liquid staked must be less than math.MaxInt64 %d", 1<<63-1)
}
return nil
}