penumbra_dex::lp::action

Struct PositionClose

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pub struct PositionClose {
    pub position_id: Id,
}
Expand description

A transaction action that closes a position.

This action’s contribution to the transaction’s value balance is to consume an opened position NFT and contribute a closed position NFT.

Closing a position does not immediately withdraw funds, because Penumbra transactions (like any ZK transaction model) are early-binding: the prover must know the state transition they prove knowledge of, and they cannot know the final reserves with certainty until after the position has been deactivated.

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§position_id: Id

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impl PositionClose

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pub fn balance(&self) -> Balance

Compute the value this action contributes to its transaction.

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impl ActionHandler for PositionClose

Available on crate feature component only.

Debits an opened position NFT and credits a closed position NFT.

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type CheckStatelessContext = ()

Context for stateless validity checks, like the transaction containing the action.
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fn check_stateless<'life0, 'async_trait>( &'life0 self, _context: (), ) -> Pin<Box<dyn Future<Output = Result<()>> + Send + 'async_trait>>
where Self: 'async_trait, 'life0: 'async_trait,

Performs all of this action’s stateless validity checks in the context of some [Transaction]. Read more
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fn check_and_execute<'life0, 'async_trait, S>( &'life0 self, state: S, ) -> Pin<Box<dyn Future<Output = Result<()>> + Send + 'async_trait>>
where S: 'async_trait + StateWrite, Self: 'async_trait, 'life0: 'async_trait,

Attempts to execute this action against the provided state. Read more
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fn check_historical<'life0, 'async_trait, S>( &'life0 self, _state: Arc<S>, ) -> Pin<Box<dyn Future<Output = Result<(), Error>> + Send + 'async_trait>>
where 'life0: 'async_trait, S: 'async_trait + StateRead + 'static, Self: Sync + 'async_trait,

Performs those stateful validity checks that can be performed against a historical state snapshot. Read more
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impl Clone for PositionClose

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fn clone(&self) -> PositionClose

Returns a copy of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Debug for PositionClose

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

Formats the value using the given formatter. Read more
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impl<'de> Deserialize<'de> for PositionClose

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fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>
where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer. Read more
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impl DomainType for PositionClose

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type Proto = PositionClose

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fn encode_to_vec(&self) -> Vec<u8> ⓘ

Encode this domain type to a byte vector, via proto type P.
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fn to_proto(&self) -> Self::Proto

Convert this domain type to the associated proto type. Read more
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fn decode<B>(buf: B) -> Result<Self, Error>
where B: Buf,

Decode this domain type from a byte buffer, via proto type P.
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impl EffectingData for PositionClose

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fn effect_hash(&self) -> EffectHash

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impl From<PositionClose> for PositionClose

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fn from(value: PositionClose) -> Self

Converts to this type from the input type.
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impl Serialize for PositionClose

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

Serialize this value into the given Serde serializer. Read more
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impl TryFrom<PositionClose> for PositionClose

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type Error = Error

The type returned in the event of a conversion error.
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fn try_from(value: PositionClose) -> Result<Self, Self::Error>

Performs the conversion.

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Gets the TypeId of self. Read more
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