ckb_script::types

Struct TxInfo

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pub struct TxInfo<DL> {
    pub data_loader: DL,
    pub consensus: Arc<Consensus>,
    pub tx_env: Arc<TxVerifyEnv>,
    pub binaries_by_data_hash: HashMap<Byte32, (usize, LazyData)>,
    pub binaries_by_type_hash: HashMap<Byte32, Binaries>,
    pub lock_groups: BTreeMap<Byte32, ScriptGroup>,
    pub type_groups: BTreeMap<Byte32, ScriptGroup>,
    pub outputs: Vec<CellMeta>,
}
Expand description

Information that is either passed as the context of the transaction, or can be derived from the transaction.

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§data_loader: DL

Data loader.

§consensus: Arc<Consensus>

Chain consensus parameters

§tx_env: Arc<TxVerifyEnv>

Transaction verification environment

§binaries_by_data_hash: HashMap<Byte32, (usize, LazyData)>

Potential binaries in current transaction indexed by data hash

§binaries_by_type_hash: HashMap<Byte32, Binaries>

Potential binaries in current transaction indexed by type script hash

§lock_groups: BTreeMap<Byte32, ScriptGroup>

Lock script groups, orders here are important

§type_groups: BTreeMap<Byte32, ScriptGroup>

Type script groups, orders here are important

§outputs: Vec<CellMeta>

Output cells in current transaction reorganized in CellMeta format

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impl<DL> TxInfo<DL>
where DL: CellDataProvider,

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pub fn extract_script(&self, script: &Script) -> Result<Bytes, ScriptError>

Extracts actual script binary either in dep cells.

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impl<DL> TxInfo<DL>

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pub fn extract_referenced_dep_index( &self, script: &Script, ) -> Result<usize, ScriptError>

Extracts the index of the script binary in dep cells

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pub fn find_script_group( &self, script_group_type: ScriptGroupType, script_hash: &Byte32, ) -> Option<&ScriptGroup>

Finds the script group from cell deps.

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pub fn select_version( &self, script: &Script, ) -> Result<ScriptVersion, ScriptError>

Returns the version of the machine based on the script and the consensus rules.

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pub fn groups(&self) -> impl Iterator<Item = (&Byte32, &ScriptGroup)>

Returns all script groups.

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pub fn groups_with_type( &self, ) -> impl Iterator<Item = (ScriptGroupType, &Byte32, &ScriptGroup)>

Returns all script groups with type.

Trait Implementations§

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impl<DL: Clone> Clone for TxInfo<DL>

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fn clone(&self) -> TxInfo<DL>

Returns a duplicate 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<DL: Debug> Debug for TxInfo<DL>

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

Formats the value using the given formatter. Read more

Auto Trait Implementations§

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impl<DL> Freeze for TxInfo<DL>
where DL: Freeze,

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impl<DL> RefUnwindSafe for TxInfo<DL>
where DL: RefUnwindSafe,

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impl<DL> Send for TxInfo<DL>
where DL: Send,

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impl<DL> Sync for TxInfo<DL>
where DL: Sync,

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impl<DL> Unpin for TxInfo<DL>
where DL: Unpin,

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impl<DL> UnwindSafe for TxInfo<DL>
where DL: UnwindSafe,

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impl<T> Any for T
where T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T> AsAny for T
where T: Any,

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fn as_any(&self) -> &(dyn Any + 'static)

Cast to trait Any
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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for T
where T: ?Sized,

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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
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impl<T> CloneToUninit for T
where T: Clone,

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unsafe fn clone_to_uninit(&self, dest: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dest. Read more
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impl<T> DynClone for T
where T: Clone,

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fn __clone_box(&self, _: Private) -> *mut ()

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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T, U> Into<U> for T
where U: From<T>,

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fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<T> IntoEither for T

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fn into_either(self, into_left: bool) -> Either<Self, Self>

Converts self into a Left variant of Either<Self, Self> if into_left is true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
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fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
where F: FnOnce(&Self) -> bool,

Converts self into a Left variant of Either<Self, Self> if into_left(&self) returns true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
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impl<T> Same for T

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type Output = T

Should always be Self
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impl<T> ToOwned for T
where T: Clone,

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type Owned = T

The resulting type after obtaining ownership.
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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
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fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more
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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.
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impl<V, T> VZip<V> for T
where V: MultiLane<T>,

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fn vzip(self) -> V