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msg.go
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msg.go
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package types
import (
errorsmod "cosmossdk.io/errors"
"cosmossdk.io/math"
codectypes "github.com/cosmos/cosmos-sdk/codec/types"
cryptotypes "github.com/cosmos/cosmos-sdk/crypto/types"
sdk "github.com/cosmos/cosmos-sdk/types"
sdkerrors "github.com/cosmos/cosmos-sdk/types/errors"
)
var (
_ sdk.Msg = &MsgCreateValidator{}
_ codectypes.UnpackInterfacesMessage = (*MsgCreateValidator)(nil)
_ sdk.Msg = &MsgEditValidator{}
_ sdk.Msg = &MsgDelegate{}
_ sdk.Msg = &MsgUndelegate{}
_ sdk.Msg = &MsgBeginRedelegate{}
_ sdk.Msg = &MsgCancelUnbondingDelegation{}
_ sdk.Msg = &MsgUpdateParams{}
)
// NewMsgCreateValidator creates a new MsgCreateValidator instance.
// Delegator address and validator address are the same.
func NewMsgCreateValidator(
valAddr sdk.ValAddress, pubKey cryptotypes.PubKey,
selfDelegation sdk.Coin, description Description, commission CommissionRates, minSelfDelegation math.Int,
) (*MsgCreateValidator, error) {
var pkAny *codectypes.Any
if pubKey != nil {
var err error
if pkAny, err = codectypes.NewAnyWithValue(pubKey); err != nil {
return nil, err
}
}
return &MsgCreateValidator{
Description: description,
ValidatorAddress: valAddr.String(),
Pubkey: pkAny,
Value: selfDelegation,
Commission: commission,
MinSelfDelegation: minSelfDelegation,
}, nil
}
// GetSigners implements the sdk.Msg interface. It returns the address(es) that
// must sign over msg.GetSignBytes().
// If the validator address is not same as delegator's, then the validator must
// sign the msg as well.
func (msg MsgCreateValidator) GetSigners() []sdk.AccAddress {
valAddr, _ := sdk.ValAddressFromBech32(msg.ValidatorAddress)
valAccAddr := sdk.AccAddress(valAddr)
return []sdk.AccAddress{valAccAddr}
}
// Validate validates the MsgCreateValidator sdk msg.
func (msg MsgCreateValidator) Validate() error {
// note that unmarshaling from bech32 ensures both non-empty and valid
_, err := sdk.ValAddressFromBech32(msg.ValidatorAddress)
if err != nil {
return sdkerrors.ErrInvalidAddress.Wrapf("invalid validator address: %s", err)
}
if msg.Pubkey == nil {
return ErrEmptyValidatorPubKey
}
if !msg.Value.IsValid() || !msg.Value.Amount.IsPositive() {
return errorsmod.Wrap(sdkerrors.ErrInvalidRequest, "invalid delegation amount")
}
if msg.Description == (Description{}) {
return errorsmod.Wrap(sdkerrors.ErrInvalidRequest, "empty description")
}
if msg.Commission == (CommissionRates{}) {
return errorsmod.Wrap(sdkerrors.ErrInvalidRequest, "empty commission")
}
if err := msg.Commission.Validate(); err != nil {
return err
}
if !msg.MinSelfDelegation.IsPositive() {
return errorsmod.Wrap(
sdkerrors.ErrInvalidRequest,
"minimum self delegation must be a positive integer",
)
}
if msg.Value.Amount.LT(msg.MinSelfDelegation) {
return ErrSelfDelegationBelowMinimum
}
return nil
}
// UnpackInterfaces implements UnpackInterfacesMessage.UnpackInterfaces
func (msg MsgCreateValidator) UnpackInterfaces(unpacker codectypes.AnyUnpacker) error {
var pubKey cryptotypes.PubKey
return unpacker.UnpackAny(msg.Pubkey, &pubKey)
}
// NewMsgEditValidator creates a new MsgEditValidator instance
func NewMsgEditValidator(valAddr sdk.ValAddress, description Description, newRate *math.LegacyDec, newMinSelfDelegation *math.Int) *MsgEditValidator {
return &MsgEditValidator{
Description: description,
CommissionRate: newRate,
ValidatorAddress: valAddr.String(),
MinSelfDelegation: newMinSelfDelegation,
}
}
// GetSigners implements the sdk.Msg interface.
func (msg MsgEditValidator) GetSigners() []sdk.AccAddress {
valAddr, _ := sdk.ValAddressFromBech32(msg.ValidatorAddress)
return []sdk.AccAddress{sdk.AccAddress(valAddr)}
}
// NewMsgDelegate creates a new MsgDelegate instance.
func NewMsgDelegate(delAddr sdk.AccAddress, valAddr sdk.ValAddress, amount sdk.Coin) *MsgDelegate {
return &MsgDelegate{
DelegatorAddress: delAddr.String(),
ValidatorAddress: valAddr.String(),
Amount: amount,
}
}
// GetSigners implements the sdk.Msg interface.
func (msg MsgDelegate) GetSigners() []sdk.AccAddress {
delegator, _ := sdk.AccAddressFromBech32(msg.DelegatorAddress)
return []sdk.AccAddress{delegator}
}
// NewMsgBeginRedelegate creates a new MsgBeginRedelegate instance.
func NewMsgBeginRedelegate(
delAddr sdk.AccAddress, valSrcAddr, valDstAddr sdk.ValAddress, amount sdk.Coin,
) *MsgBeginRedelegate {
return &MsgBeginRedelegate{
DelegatorAddress: delAddr.String(),
ValidatorSrcAddress: valSrcAddr.String(),
ValidatorDstAddress: valDstAddr.String(),
Amount: amount,
}
}
// GetSigners implements the sdk.Msg interface
func (msg MsgBeginRedelegate) GetSigners() []sdk.AccAddress {
delegator, _ := sdk.AccAddressFromBech32(msg.DelegatorAddress)
return []sdk.AccAddress{delegator}
}
// NewMsgUndelegate creates a new MsgUndelegate instance.
func NewMsgUndelegate(delAddr sdk.AccAddress, valAddr sdk.ValAddress, amount sdk.Coin) *MsgUndelegate {
return &MsgUndelegate{
DelegatorAddress: delAddr.String(),
ValidatorAddress: valAddr.String(),
Amount: amount,
}
}
// GetSigners implements the sdk.Msg interface.
func (msg MsgUndelegate) GetSigners() []sdk.AccAddress {
delegator, _ := sdk.AccAddressFromBech32(msg.DelegatorAddress)
return []sdk.AccAddress{delegator}
}
// NewMsgCancelUnbondingDelegation creates a new MsgCancelUnbondingDelegation instance.
func NewMsgCancelUnbondingDelegation(delAddr sdk.AccAddress, valAddr sdk.ValAddress, creationHeight int64, amount sdk.Coin) *MsgCancelUnbondingDelegation {
return &MsgCancelUnbondingDelegation{
DelegatorAddress: delAddr.String(),
ValidatorAddress: valAddr.String(),
Amount: amount,
CreationHeight: creationHeight,
}
}
// GetSigners implements the sdk.Msg interface.
func (msg MsgCancelUnbondingDelegation) GetSigners() []sdk.AccAddress {
delegator, _ := sdk.AccAddressFromBech32(msg.DelegatorAddress)
return []sdk.AccAddress{delegator}
}
// GetSigners returns the expected signers for a MsgUpdateParams message
func (m MsgUpdateParams) GetSigners() []sdk.AccAddress {
addr, _ := sdk.AccAddressFromBech32(m.Authority)
return []sdk.AccAddress{addr}
}