Struct fvm_actor_utils::receiver::ReceiverHook
source · pub struct ReceiverHook<T: RecipientData> { /* private fields */ }
Expand description
Implements a guarded call to a token receiver hook
Mint and Transfer operations will return this so that state can be updated and saved before making the call into the receiver hook.
This also tracks whether the call has been made or not, and will panic if dropped without calling the hook.
Implementations§
source§impl<T: RecipientData> ReceiverHook<T>
impl<T: RecipientData> ReceiverHook<T>
sourcepub fn new(
address: Address,
token_params: RawBytes,
token_type: ReceiverType,
result_data: T,
) -> Self
pub fn new( address: Address, token_params: RawBytes, token_type: ReceiverType, result_data: T, ) -> Self
Construct a new ReceiverHook call
sourcepub fn call(&mut self, msg: &dyn Messaging) -> Result<T, ReceiverHookError>
pub fn call(&mut self, msg: &dyn Messaging) -> Result<T, ReceiverHookError>
Call the receiver hook and return the result
Requires the same Messaging trait as the Token
eg: hook.call(token.msg())?;
Returns
- an error if already called
- an error if the hook call aborted
- any return data provided by the hook upon success
Trait Implementations§
source§impl<T: Debug + RecipientData> Debug for ReceiverHook<T>
impl<T: Debug + RecipientData> Debug for ReceiverHook<T>
source§impl<T: RecipientData> Drop for ReceiverHook<T>
impl<T: RecipientData> Drop for ReceiverHook<T>
Drop implements the panic if not called behaviour
Auto Trait Implementations§
impl<T> Freeze for ReceiverHook<T>where
T: Freeze,
impl<T> RefUnwindSafe for ReceiverHook<T>where
T: RefUnwindSafe,
impl<T> Send for ReceiverHook<T>where
T: Send,
impl<T> Sync for ReceiverHook<T>where
T: Sync,
impl<T> Unpin for ReceiverHook<T>where
T: Unpin,
impl<T> UnwindSafe for ReceiverHook<T>where
T: UnwindSafe,
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