Enum casperlabs_types::system_contract_errors::pos::Error

#[repr(u8)]pub enum Error {
    NotBonded,
    TooManyEventsInQueue,
    CannotUnbondLastValidator,
    SpreadTooHigh,
    MultipleRequests,
    BondTooSmall,
    BondTooLarge,
    UnbondTooLarge,
    BondTransferFailed,
    UnbondTransferFailed,
    TimeWentBackwards,
    StakesNotFound,
    PaymentPurseNotFound,
    PaymentPurseKeyUnexpectedType,
    PaymentPurseBalanceNotFound,
    BondingPurseNotFound,
    BondingPurseKeyUnexpectedType,
    RefundPurseKeyUnexpectedType,
    RewardsPurseNotFound,
    RewardsPurseKeyUnexpectedType,
    StakesKeyDeserializationFailed,
    StakesDeserializationFailed,
    SystemFunctionCalledByUserAccount,
    InsufficientPaymentForAmountSpent,
    FailedTransferToRewardsPurse,
    FailedTransferToAccountPurse,
    SetRefundPurseCalledOutsidePayment,
}

Errors which can occur while executing the Proof of Stake contract.

Variants

NotBonded

The given validator is not bonded.

TooManyEventsInQueue

There are too many bonding or unbonding attempts already enqueued to allow more.

CannotUnbondLastValidator

At least one validator must remain bonded.

SpreadTooHigh

Failed to bond or unbond as this would have resulted in exceeding the maximum allowed difference between the largest and smallest stakes.

MultipleRequests

The given validator already has a bond or unbond attempt enqueued.

BondTooSmall

Attempted to bond with a stake which was too small.

BondTooLarge

Attempted to bond with a stake which was too large.

UnbondTooLarge

Attempted to unbond an amount which was too large.

BondTransferFailed

While bonding, the transfer from source purse to the Proof of Stake internal purse failed.

UnbondTransferFailed

While unbonding, the transfer from the Proof of Stake internal purse to the destination purse failed.

TimeWentBackwards

Internal error: a BlockTime was unexpectedly out of sequence.

StakesNotFound

Internal error: stakes were unexpectedly empty.

PaymentPurseNotFound

Internal error: the PoS contract's payment purse wasn't found.

PaymentPurseKeyUnexpectedType

Internal error: the PoS contract's payment purse key was the wrong type.

PaymentPurseBalanceNotFound

Internal error: couldn't retrieve the balance for the PoS contract's payment purse.

BondingPurseNotFound

Internal error: the PoS contract's bonding purse wasn't found.

BondingPurseKeyUnexpectedType

Internal error: the PoS contract's bonding purse key was the wrong type.

RefundPurseKeyUnexpectedType

Internal error: the PoS contract's refund purse key was the wrong type.

RewardsPurseNotFound

Internal error: the PoS contract's rewards purse wasn't found.

RewardsPurseKeyUnexpectedType

Internal error: the PoS contract's rewards purse key was the wrong type.

StakesKeyDeserializationFailed

Internal error: failed to deserialize the stake's key.

StakesDeserializationFailed

Internal error: failed to deserialize the stake's balance.

SystemFunctionCalledByUserAccount

The invoked PoS function can only be called by system contracts, but was called by a user contract.

InsufficientPaymentForAmountSpent

Internal error: while finalizing payment, the amount spent exceeded the amount available.

FailedTransferToRewardsPurse

Internal error: while finalizing payment, failed to pay the validators (the transfer from the PoS contract's payment purse to rewards purse failed).

FailedTransferToAccountPurse

Internal error: while finalizing payment, failed to refund the caller's purse (the transfer from the PoS contract's payment purse to refund purse or account's main purse failed).

SetRefundPurseCalledOutsidePayment

PoS contract's "set_refund_purse" method can only be called by the payment code of a deploy, but was called by the session code.

Trait Implementations

impl CLTyped for Error

fn cl_type() -> CLType

The CLType of Self.

impl Clone for Error

fn clone(&self) -> Error

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Copy for Error

impl Debug for Error

fn fmt(&self, f: &mut Formatter) -> Result

Formats the value using the given formatter.

impl Display for Error

fn fmt(&self, f: &mut Formatter) -> Result

Formats the value using the given formatter.

impl Eq for Error

impl Fail for Error

fn name(&self) -> Option<&str>

Returns the "name" of the error.

fn cause(&self) -> Option<&dyn Fail>

Returns a reference to the underlying cause of this failure, if it is an error that wraps other errors.

fn backtrace(&self) -> Option<&Backtrace>

Returns a reference to the Backtrace carried by this failure, if it carries one.

fn context<D>(self, context: D) -> Context<D> where
    D: Display + Send + Sync + 'static, 

Provides context for this failure.

fn compat(self) -> Compat<Self>

Wraps this failure in a compatibility wrapper that implements std::error::Error.

impl From<Error> for ApiError

fn from(error: Error) -> Self

Performs the conversion.

impl From<Error> for Error

fn from(error: Error) -> Error

Performs the conversion.

impl PartialEq<Error> for Error

fn eq(&self, other: &Error) -> bool

This method tests for self and other values to be equal, and is used by ==.

#[must_use]fn ne(&self, other: &Rhs) -> bool

This method tests for !=.

impl StructuralEq for Error

impl StructuralPartialEq for Error

impl ToBytes for Error

fn to_bytes(&self) -> Result<Vec<u8>, Error>

Serializes &self to a Vec<u8>.

fn serialized_length(&self) -> usize

Returns the length of the Vec<u8> which would be returned from a successful call to to_bytes() or into_bytes(). The data is not actually serialized, so this call is relatively cheap.

fn into_bytes(self) -> Result<Vec<u8>, Error> where
    Self: Sized, 

Consumes self and serializes to a Vec<u8>.