Struct zebrad::components::mempool::storage::verified_set::VerifiedSet

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pub struct VerifiedSet {
    transactions: VecDeque<VerifiedUnminedTx>,
    transactions_serialized_size: usize,
    total_cost: u64,
    spent_outpoints: HashSet<OutPoint>,
    sprout_nullifiers: HashSet<Nullifier>,
    sapling_nullifiers: HashSet<Nullifier>,
    orchard_nullifiers: HashSet<Nullifier>,
}

Expand description

The set of verified transactions stored in the mempool.

This also caches the all the spent outputs from the transactions in the mempool. The spent outputs include:

the transparent outpoints spent by transactions in the mempool
the Sprout nullifiers revealed by transactions in the mempool
the Sapling nullifiers revealed by transactions in the mempool
the Orchard nullifiers revealed by transactions in the mempool

Fields

transactions: VecDeque<VerifiedUnminedTx>

The set of verified transactions in the mempool.

transactions_serialized_size: usize

The total size of the transactions in the mempool if they were serialized.

total_cost: u64

The total cost of the verified transactons in the set.

spent_outpoints: HashSet<OutPoint>

The set of spent out points by the verified transactions.

sprout_nullifiers: HashSet<Nullifier>

The set of revealed Sprout nullifiers.

sapling_nullifiers: HashSet<Nullifier>

The set of revealed Sapling nullifiers.

orchard_nullifiers: HashSet<Nullifier>

The set of revealed Orchard nullifiers.

Implementations

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impl VerifiedSet

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pub fn transactions(&self) -> impl Iterator<Item = &UnminedTx> + '_

Returns an iterator over the transactions in the set.

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pub fn transaction_count(&self) -> usize

Returns the number of verified transactions in the set.

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pub fn total_cost(&self) -> u64

Returns the total cost of the verified transactions in the set.

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pub fn contains(&self, id: &UnminedTxId) -> bool

Returns true if the set of verified transactions contains the transaction with the specified `id.

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pub fn clear(&mut self)

Clear the set of verified transactions.

Also clears all internal caches.

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pub fn insert(
&mut self,
transaction: VerifiedUnminedTx
) -> Result<(), SameEffectsTipRejectionError>

Insert a transaction into the set.

Returns an error if the transaction has spend conflicts with any other transaction already in the set.

Two transactions have a spend conflict if they spend the same UTXO or if they reveal the same nullifier.

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pub fn evict_one(&mut self) -> Option<VerifiedUnminedTx>

Evict one transaction from the set, returns the victim transaction.

Removes a transaction with probability in direct proportion to the eviction weight, as per ZIP-401.

Consensus rule:

Each transaction also has an eviction weight, which is cost + low_fee_penalty, where low_fee_penalty is 16000 if the transaction pays a fee less than the conventional fee, otherwise 0. The conventional fee is currently defined as 1000 zatoshis

Note

Collecting and calculating weights is O(n). But in practice n is limited to 20,000 (mempooltxcostlimit/min(cost)), so the actual cost shouldn’t be too bad.

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pub fn remove_all_that(
&mut self,
predicate: impl Fn(&VerifiedUnminedTx) -> bool
) -> usize

Removes all transactions in the set that match the predicate.

Returns the amount of transactions removed.

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fn remove(&mut self, transaction_index: usize) -> VerifiedUnminedTx

Removes a transaction from the set.

Also removes its outputs from the internal caches.

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fn has_spend_conflicts(&self, unmined_tx: &UnminedTx) -> bool

Returns true if the given transaction has any spend conflicts with transactions in the mempool.

Two transactions have a spend conflict if they spend the same UTXO or if they reveal the same nullifier.

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fn cache_outputs_from(&mut self, tx: &Transaction)

Inserts the transaction’s outputs into the internal caches.

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fn remove_outputs(&mut self, unmined_tx: &UnminedTx)

Removes the tracked transaction outputs from the mempool.

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fn has_conflicts<T>(set: &HashSet<T>, list: impl Iterator<Item = T>) -> bool where
T: Eq + Hash,

Returns true if the two sets have common items.

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fn remove_from_set<'t, T>(
 set: &mut HashSet<T>,
 items: impl IntoIterator<Item = Cow<'t, T>>
) where
 T: Clone + Eq + Hash + 't,

Removes some items from a HashSet.

Each item in the list of items should be wrapped in a Cow. This allows this generic method to support both borrowed and owned items.

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Trait Implementations

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impl Default for VerifiedSet

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fn default() -> VerifiedSet

Returns the “default value” for a type. Read more

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impl Drop for VerifiedSet

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fn drop(&mut self)

Executes the destructor for this type. Read more

Auto Trait Implementations

impl RefUnwindSafe for VerifiedSet

impl UnwindSafe for VerifiedSet

Blanket Implementations

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

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impl<D> OwoColorize for D

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Change the foreground color to black

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Change the foreground color to black

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Change the foreground color to red

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Change the foreground color to red

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Change the foreground color to green

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Change the foreground color to green

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Change the foreground color to yellow

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Change the foreground color to yellow

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Change the foreground color to blue

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Change the foreground color to blue

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Change the foreground color to magenta

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Change the foreground color to magenta

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Change the foreground color to purple

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Change the foreground color to purple

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Change the foreground color to cyan

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Change the foreground color to cyan

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Change the foreground color to white

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Change the foreground color to white

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Change the foreground color to bright black

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Change the foreground color to bright black

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Change the foreground color to bright red

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Change the foreground color to bright red

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Change the foreground color to bright green

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Change the foreground color to bright green

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Change the foreground color to bright yellow

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Change the foreground color to bright yellow

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Change the foreground color to bright blue

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Change the foreground color to bright blue

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Change the foreground color to bright magenta

fn on_bright_magenta(&'a self) -> BgColorDisplay<'a, BrightMagenta, Self>

Change the foreground color to bright magenta

fn bright_purple(&'a self) -> FgColorDisplay<'a, BrightMagenta, Self>

Change the foreground color to bright purple

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Change the foreground color to bright purple

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Change the foreground color to bright cyan

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Change the foreground color to bright cyan

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Change the foreground color to bright white

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Change the foreground color to bright white

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Make the text bold

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Make the text dim

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Make the text italicized

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Make the text italicized

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Make the text blink

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Make the text blink (but fast!)

fn reversed(&'a self) -> ReversedDisplay<'a, Self>

Swap the foreground and background colors

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Hide the text

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Cross out the text

fn color<Color>(&'a self, color: Color) -> FgDynColorDisplay<'a, Color, Self> where
Color: DynColor,

Set the foreground color at runtime. Only use if you do not know which color will be used at compile-time. If the color is constant, use either OwoColorize::fg or a color-specific method, such as OwoColorize::green, Read more

fn on_color<Color>(&'a self, color: Color) -> BgDynColorDisplay<'a, Color, Self> where
Color: DynColor,

Set the background color at runtime. Only use if you do not know what color to use at compile-time. If the color is constant, use either OwoColorize::bg or a color-specific method, such as OwoColorize::on_yellow, Read more

fn truecolor(&'a self, r: u8, g: u8, b: u8) -> FgDynColorDisplay<'a, Rgb, Self>

Sets the foreground color to an RGB value.

fn on_truecolor(
 &'a self,
 r: u8,
 g: u8,
 b: u8
) -> BgDynColorDisplay<'a, Rgb, Self>

Sets the background color to an RGB value.

fn style(&self, style: Style) -> Styled<&Self>

Apply a runtime-determined style

impl<D> OwoColorize for D

fn fg<C>(&self) -> FgColorDisplay<'_, C, Self> where
C: Color,

Set the foreground color generically Read more

fn bg<C>(&self) -> BgColorDisplay<'_, C, Self> where
C: Color,

Set the background color generically. Read more

fn black(&'a self) -> FgColorDisplay<'a, Black, Self>

Change the foreground color to black

fn on_black(&'a self) -> BgColorDisplay<'a, Black, Self>

Change the background color to black

fn red(&'a self) -> FgColorDisplay<'a, Red, Self>

Change the foreground color to red

fn on_red(&'a self) -> BgColorDisplay<'a, Red, Self>

Change the background color to red

fn green(&'a self) -> FgColorDisplay<'a, Green, Self>

Change the foreground color to green

fn on_green(&'a self) -> BgColorDisplay<'a, Green, Self>

Change the background color to green

fn yellow(&'a self) -> FgColorDisplay<'a, Yellow, Self>

Change the foreground color to yellow

fn on_yellow(&'a self) -> BgColorDisplay<'a, Yellow, Self>

Change the background color to yellow

fn blue(&'a self) -> FgColorDisplay<'a, Blue, Self>

Change the foreground color to blue

fn on_blue(&'a self) -> BgColorDisplay<'a, Blue, Self>

Change the background color to blue

fn magenta(&'a self) -> FgColorDisplay<'a, Magenta, Self>

Change the foreground color to magenta

fn on_magenta(&'a self) -> BgColorDisplay<'a, Magenta, Self>

Change the background color to magenta

fn purple(&'a self) -> FgColorDisplay<'a, Magenta, Self>

Change the foreground color to purple

fn on_purple(&'a self) -> BgColorDisplay<'a, Magenta, Self>

Change the background color to purple

fn cyan(&'a self) -> FgColorDisplay<'a, Cyan, Self>

Change the foreground color to cyan

fn on_cyan(&'a self) -> BgColorDisplay<'a, Cyan, Self>

Change the background color to cyan

fn white(&'a self) -> FgColorDisplay<'a, White, Self>

Change the foreground color to white

fn on_white(&'a self) -> BgColorDisplay<'a, White, Self>

Change the background color to white

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Change the foreground color to the terminal default

fn on_default_color(&'a self) -> BgColorDisplay<'a, Default, Self>

Change the background color to the terminal default

fn bright_black(&'a self) -> FgColorDisplay<'a, BrightBlack, Self>

Change the foreground color to bright black

fn on_bright_black(&'a self) -> BgColorDisplay<'a, BrightBlack, Self>

Change the background color to bright black

fn bright_red(&'a self) -> FgColorDisplay<'a, BrightRed, Self>

Change the foreground color to bright red

fn on_bright_red(&'a self) -> BgColorDisplay<'a, BrightRed, Self>

Change the background color to bright red

fn bright_green(&'a self) -> FgColorDisplay<'a, BrightGreen, Self>

Change the foreground color to bright green

fn on_bright_green(&'a self) -> BgColorDisplay<'a, BrightGreen, Self>

Change the background color to bright green

fn bright_yellow(&'a self) -> FgColorDisplay<'a, BrightYellow, Self>

Change the foreground color to bright yellow

fn on_bright_yellow(&'a self) -> BgColorDisplay<'a, BrightYellow, Self>

Change the background color to bright yellow

fn bright_blue(&'a self) -> FgColorDisplay<'a, BrightBlue, Self>

Change the foreground color to bright blue

fn on_bright_blue(&'a self) -> BgColorDisplay<'a, BrightBlue, Self>

Change the background color to bright blue

fn bright_magenta(&'a self) -> FgColorDisplay<'a, BrightMagenta, Self>

Change the foreground color to bright magenta

fn on_bright_magenta(&'a self) -> BgColorDisplay<'a, BrightMagenta, Self>

Change the background color to bright magenta

fn bright_purple(&'a self) -> FgColorDisplay<'a, BrightMagenta, Self>

Change the foreground color to bright purple

fn on_bright_purple(&'a self) -> BgColorDisplay<'a, BrightMagenta, Self>

Change the background color to bright purple

fn bright_cyan(&'a self) -> FgColorDisplay<'a, BrightCyan, Self>

Change the foreground color to bright cyan

fn on_bright_cyan(&'a self) -> BgColorDisplay<'a, BrightCyan, Self>

Change the background color to bright cyan

fn bright_white(&'a self) -> FgColorDisplay<'a, BrightWhite, Self>

Change the foreground color to bright white

fn on_bright_white(&'a self) -> BgColorDisplay<'a, BrightWhite, Self>

Change the background color to bright white

fn bold(&'a self) -> BoldDisplay<'a, Self>

Make the text bold

fn dimmed(&'a self) -> DimDisplay<'a, Self>

Make the text dim

fn italic(&'a self) -> ItalicDisplay<'a, Self>

Make the text italicized

fn underline(&'a self) -> UnderlineDisplay<'a, Self>

Make the text italicized

fn blink(&'a self) -> BlinkDisplay<'a, Self>

Make the text blink

fn blink_fast(&'a self) -> BlinkFastDisplay<'a, Self>

Make the text blink (but fast!)

fn reversed(&'a self) -> ReversedDisplay<'a, Self>

Swap the foreground and background colors

fn hidden(&'a self) -> HiddenDisplay<'a, Self>

Hide the text

fn strikethrough(&'a self) -> StrikeThroughDisplay<'a, Self>

Cross out the text

fn color<Color>(&self, color: Color) -> FgDynColorDisplay<'_, Color, Self> where
Color: DynColor,

Set the foreground color at runtime. Only use if you do not know which color will be used at compile-time. If the color is constant, use either OwoColorize::fg or a color-specific method, such as OwoColorize::green, Read more

fn on_color<Color>(&self, color: Color) -> BgDynColorDisplay<'_, Color, Self> where
Color: DynColor,

Set the background color at runtime. Only use if you do not know what color to use at compile-time. If the color is constant, use either OwoColorize::bg or a color-specific method, such as OwoColorize::on_yellow, Read more

fn fg_rgb<const R: u8, const G: u8, const B: u8>(
&self
) -> FgColorDisplay<'_, CustomColor<R, G, B>, Self>

Set the foreground color to a specific RGB value.

fn bg_rgb<const R: u8, const G: u8, const B: u8>(
&self
) -> BgColorDisplay<'_, CustomColor<R, G, B>, Self>

Set the background color to a specific RGB value.

fn truecolor(&self, r: u8, g: u8, b: u8) -> FgDynColorDisplay<'_, Rgb, Self>

Sets the foreground color to an RGB value.

fn on_truecolor(&self, r: u8, g: u8, b: u8) -> BgDynColorDisplay<'_, Rgb, Self>

Sets the background color to an RGB value.

fn style(&self, style: Style) -> Styled<&Self>

Apply a runtime-determined style

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) -> R where
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 R: 'a,

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Converts the type into a Result that can be sent as a response.

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Calls .tap_borrow_mut() only in debug builds, and is erased in release builds. Read more

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Calls .tap_ref() only in debug builds, and is erased in release builds. Read more

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Calls .tap_ref_mut() only in debug builds, and is erased in release builds. Read more

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Self: Deref<Target = T>,
T: ?Sized,

Calls .tap_deref() only in debug builds, and is erased in release builds. Read more

fn tap_deref_mut_dbg<T>(self, func: impl FnOnce(&mut T)) -> Self where
Self: DerefMut<Target = T> + Deref,
T: ?Sized,

Calls .tap_deref_mut() only in debug builds, and is erased in release builds. Read more

impl<T> TryConv for T

fn try_conv<T>(self) -> Result<T, Self::Error> where
Self: TryInto<T>,

Attempts to convert self into T using TryInto<T>. Read more

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

type Error = Infallible

The type returned in the event of a conversion error.

const: unstable · source

fn try_from(value: U) -> Result<T, <T as TryFrom>::Error>

Performs the conversion.

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impl<T, U> TryInto for T where
U: TryFrom<T>,

type Error = >::Error

The type returned in the event of a conversion error.

const: unstable · source

fn try_into(self) -> Result<U, >::Error>

Performs the conversion.

impl<V, T> VZip<V> for T where
V: MultiLane<T>,

fn vzip(self) -> V

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impl<T> WithSubscriber for T

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fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self> where
S: Into<Dispatch>,

Attaches the provided Subscriber to this type, returning a WithDispatch wrapper. Read more

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fn with_current_subscriber(self) -> WithDispatch<Self>

Attaches the current default Subscriber to this type, returning a WithDispatch wrapper. Read more

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impl<T> WithSubscriber for T

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fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self> where
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Attaches the provided Subscriber to this type, returning a WithDispatch wrapper. Read more

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fn with_current_subscriber(self) -> WithDispatch<Self>

Attaches the current default Subscriber to this type, returning a WithDispatch wrapper. Read more

Struct zebrad::components::mempool::storage::verified_set::VerifiedSet

Fields

Implementations

impl VerifiedSet

pub fn transactions(&self) -> impl Iterator<Item = &UnminedTx> + '_

pub fn transaction_count(&self) -> usize

pub fn total_cost(&self) -> u64

pub fn contains(&self, id: &UnminedTxId) -> bool

pub fn clear(&mut self)

pub fn insert( &mut self, transaction: VerifiedUnminedTx) -> Result<(), SameEffectsTipRejectionError>

pub fn evict_one(&mut self) -> Option<VerifiedUnminedTx>

pub fn remove_all_that( &mut self, predicate: impl Fn(&VerifiedUnminedTx) -> bool) -> usize

fn remove(&mut self, transaction_index: usize) -> VerifiedUnminedTx

fn has_spend_conflicts(&self, unmined_tx: &UnminedTx) -> bool

fn cache_outputs_from(&mut self, tx: &Transaction)

fn remove_outputs(&mut self, unmined_tx: &UnminedTx)

fn has_conflicts<T>(set: &HashSet<T>, list: impl Iterator<Item = T>) -> bool where T: Eq + Hash,

fn remove_from_set<'t, T>( set: &mut HashSet<T>, items: impl IntoIterator<Item = Cow<'t, T>>) where T: Clone + Eq + Hash + 't,

fn update_metrics(&mut self)

Trait Implementations

impl Default for VerifiedSet

fn default() -> VerifiedSet

impl Drop for VerifiedSet

fn drop(&mut self)

Auto Trait Implementations

impl RefUnwindSafe for VerifiedSet

impl Send for VerifiedSet

impl Sync for VerifiedSet

impl Unpin for VerifiedSet

impl UnwindSafe for VerifiedSet

Blanket Implementations

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

fn type_id(&self) -> TypeId

impl<T> AsAny for T where T: Any,

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

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

impl<T> Borrow<T> for T where T: ?Sized,

fn borrow(&self) -> &T

impl<T> BorrowMut<T> for T where T: ?Sized,

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

impl<T> Conv for T

fn conv<T>(self) -> T where Self: Into<T>,

impl<T> FmtForward for T

fn fmt_binary(self) -> FmtBinary<Self> where Self: Binary,

fn fmt_display(self) -> FmtDisplay<Self> where Self: Display,

fn fmt_lower_exp(self) -> FmtLowerExp<Self> where Self: LowerExp,

fn fmt_lower_hex(self) -> FmtLowerHex<Self> where Self: LowerHex,

fn fmt_octal(self) -> FmtOctal<Self> where Self: Octal,

fn fmt_pointer(self) -> FmtPointer<Self> where Self: Pointer,

fn fmt_upper_exp(self) -> FmtUpperExp<Self> where Self: UpperExp,

fn fmt_upper_hex(self) -> FmtUpperHex<Self> where Self: UpperHex,

fn fmt_list(self) -> FmtList<Self> where &'a Self: for<'a> IntoIterator,

impl<T> From<T> for T

fn from(t: T) -> T

impl<T> Instrument for T

fn instrument(self, span: Span) -> Instrumented<Self>

fn in_current_span(self) -> Instrumented<Self>

impl<T> Instrument for T

fn instrument(self, span: Span) -> Instrumented<Self>

fn in_current_span(self) -> Instrumented<Self>

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

fn into(self) -> U

impl<D> OwoColorize for D

fn fg<C>(&'a self) -> FgColorDisplay<'a, C, Self> where C: Color,

fn bg<C>(&'a self) -> BgColorDisplay<'a, C, Self> where C: Color,

fn black(&'a self) -> FgColorDisplay<'a, Black, Self>

fn on_black(&'a self) -> BgColorDisplay<'a, Black, Self>

fn red(&'a self) -> FgColorDisplay<'a, Red, Self>

fn on_red(&'a self) -> BgColorDisplay<'a, Red, Self>

fn green(&'a self) -> FgColorDisplay<'a, Green, Self>

fn on_green(&'a self) -> BgColorDisplay<'a, Green, Self>

fn yellow(&'a self) -> FgColorDisplay<'a, Yellow, Self>

fn on_yellow(&'a self) -> BgColorDisplay<'a, Yellow, Self>

fn blue(&'a self) -> FgColorDisplay<'a, Blue, Self>

fn on_blue(&'a self) -> BgColorDisplay<'a, Blue, Self>

fn magenta(&'a self) -> FgColorDisplay<'a, Magenta, Self>

fn on_magenta(&'a self) -> BgColorDisplay<'a, Magenta, Self>

fn purple(&'a self) -> FgColorDisplay<'a, Magenta, Self>

fn on_purple(&'a self) -> BgColorDisplay<'a, Magenta, Self>

fn cyan(&'a self) -> FgColorDisplay<'a, Cyan, Self>

pub fn insert(
&mut self,
transaction: VerifiedUnminedTx
) -> Result<(), SameEffectsTipRejectionError>

pub fn remove_all_that(
&mut self,
predicate: impl Fn(&VerifiedUnminedTx) -> bool
) -> usize

fn has_conflicts<T>(set: &HashSet<T>, list: impl Iterator<Item = T>) -> bool where
T: Eq + Hash,

fn remove_from_set<'t, T>(
set: &mut HashSet<T>,
items: impl IntoIterator<Item = Cow<'t, T>>
) where
T: Clone + Eq + Hash + 't,

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

impl<T> AsAny for T where
T: Any,

impl<T> Borrow<T> for T where
T: ?Sized,

impl<T> BorrowMut<T> for T where
T: ?Sized,

fn conv<T>(self) -> T where
Self: Into<T>,

fn fmt_binary(self) -> FmtBinary<Self> where
Self: Binary,

fn fmt_display(self) -> FmtDisplay<Self> where
Self: Display,

fn fmt_lower_exp(self) -> FmtLowerExp<Self> where
Self: LowerExp,

fn fmt_lower_hex(self) -> FmtLowerHex<Self> where
Self: LowerHex,

fn fmt_octal(self) -> FmtOctal<Self> where
Self: Octal,

fn fmt_pointer(self) -> FmtPointer<Self> where
Self: Pointer,

fn fmt_upper_exp(self) -> FmtUpperExp<Self> where
Self: UpperExp,

fn fmt_upper_hex(self) -> FmtUpperHex<Self> where
Self: UpperHex,

fn fmt_list(self) -> FmtList<Self> where
&'a Self: for<'a> IntoIterator,

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

fn fg<C>(&'a self) -> FgColorDisplay<'a, C, Self> where
C: Color,

fn bg<C>(&'a self) -> BgColorDisplay<'a, C, Self> where
C: Color,

fn color<Color>(&'a self, color: Color) -> FgDynColorDisplay<'a, Color, Self> where
Color: DynColor,

fn on_color<Color>(&'a self, color: Color) -> BgDynColorDisplay<'a, Color, Self> where
Color: DynColor,

fn on_truecolor(
&'a self,
r: u8,
g: u8,
b: u8
) -> BgDynColorDisplay<'a, Rgb, Self>

fn fg<C>(&self) -> FgColorDisplay<'_, C, Self> where
C: Color,

fn bg<C>(&self) -> BgColorDisplay<'_, C, Self> where
C: Color,