Enum CancelReason 

pub enum CancelReason {
    UserRequested,
    Amended,
    Replaced,
    AdminRequested,
    MarketPruned,
    MarketHalted,
    MarginCall,
    Liquidation,
    BackstopLiquidation,
    ReduceOnlyZeroSize,
    OpeningTriggerOrphaned,
    TpslSiblingCancelled,
    TriggerExecutionFailed,
    TwapCompleted,
    OrderbookOverflow,
}

Variants

UserRequested

User invoked a cancel action directly (CancelOrders / CancelMarketOrders / CancelAllOrders / CancelTriggerOrders / CancelTwapOrder)

Amended

User amended an order (cancel + replace)

Replaced

User placed orders with replace=true; existing market orders wiped

AdminRequested

AdminAction::CancelOrders / AdminCancelTriggerOrders

MarketPruned

Admin pruned the market

MarketHalted

Market was halted; resting orders cleared

MarginCall

Account undercollateralized — covers cross-margin (PublicAction::ForceCancelOrders) and iso-margin (PublicAction::ForceCancelIsoOrders). The cancelled order’s margin mode disambiguates which one fired.

Liquidation

User’s resting orders cancelled as part of regular liquidation (public/liquidate_perp_positions, public/liquidate_iso_perp_position)

BackstopLiquidation

User’s resting orders cancelled as part of backstop / insurance-fund liquidation. Applies to liquidatee and any liquidator whose trigger orders on that market are cleared during takeover.

ReduceOnlyZeroSize

Reduce-only order auto-canceled because the position it would have reduced shrank to zero

OpeningTriggerOrphaned

A trigger that would have opened/added position was auto-canceled because a fill made it stale

TpslSiblingCancelled

Linked TPSL sibling canceled because its pair leg fired, was rejected, or failed during execution

TriggerExecutionFailed

Trigger fired but couldn’t execute — no position to close, post-execution margin failure, no liquidity, or runtime error. The accompanying RejectTriggerOrder / FailureExecuteTriggerOrder event in the same tx carries the specific cause.

TwapCompleted

TWAP slice schedule exhausted (next-slice size rounded to zero)

OrderbookOverflow

Order evicted to make room when orderbook hit its capacity limit

Trait Implementations

impl AsRef<str> for CancelReason

fn as_ref(&self) -> &str

Converts this type into a shared reference of the (usually inferred) input type.

impl BorshDeserialize for CancelReason

fn deserialize_reader<__R: Read>(reader: &mut __R) -> Result<Self, Error>

fn deserialize(buf: &mut &[u8]) -> Result<Self, Error>

Deserializes this instance from a given slice of bytes. Updates the buffer to point at the remaining bytes.

fn try_from_slice(v: &[u8]) -> Result<Self, Error>

Deserialize this instance from a slice of bytes.

fn try_from_reader<R>(reader: &mut R) -> Result<Self, Error>

where R: Read,

impl BorshSerialize for CancelReason

fn serialize<__W: Write>(&self, writer: &mut __W) -> Result<(), Error>

impl Clone for CancelReason

fn clone(&self) -> CancelReason

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for CancelReason

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

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for CancelReason

fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Display for CancelReason

fn fmt(&self, f: &mut Formatter<'_>) -> Result<(), Error>

Formats the value using the given formatter.

impl EnumExt for CancelReason

fn deserialize_variant<__R: Read>( reader: &mut __R, variant_tag: u8, ) -> Result<Self, Error>

Deserialises given variant of an enum from the reader.

impl JsonSchema for CancelReason

fn schema_name() -> String

The name of the generated JSON Schema.

fn schema_id() -> Cow<'static, str>

Returns a string that uniquely identifies the schema produced by this type.

fn json_schema(generator: &mut SchemaGenerator) -> Schema

Generates a JSON Schema for this type.

fn is_referenceable() -> bool

Whether JSON Schemas generated for this type should be re-used where possible using the $ref keyword.

impl PartialEq for CancelReason

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

Tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl Serialize for CancelReason

fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>

where __S: Serializer,

Serialize this value into the given Serde serializer.

impl Copy for CancelReason

impl Eq for CancelReason

impl StructuralPartialEq for CancelReason