Struct Mining Engine &nbsp; Copy item path

impl MiningEngine

pub fn new( mining_mode: MiningMode, transaction_pool: Arc<TransactionPoolHandle>, time_manager: Arc<TimeManager>, seal_command_sender: Sender<EngineCommand<H256>>, ) -> Self

Create a new mining engine controller.

Initializes a mining engine with the specified components and configuration. The engine will coordinate block production according to the initial mining mode.

§Arguments

mining_mode - Initial mining strategy
transaction_pool - Handle for monitoring transaction pool changes
time_manager - Component for blockchain time management
seal_command_sender - Channel for sending block sealing commands

§Returns

A new MiningEngine instance ready for use

pub async fn mine( &self, num_blocks: Option<u64>, interval: Option<Duration>, ) -> Result<H256, MiningError>

Mine a specified number of blocks manually.

This method implements the anvil_mine RPC call, allowing manual control over block production. Blocks are mined sequentially, with optional time advancement between each block.

§Arguments

num_blocks - Number of blocks to mine (defaults to 1 if None)
interval - Optional time to advance between blocks (in seconds)

§Returns

Ok(H256) - The hash of the last block mined successfully.
Err(MiningError) - Block production failed

pub async fn evm_mine( &self, opts: Option<MineOptions>, ) -> Result<H256, MiningError>

Ethereum-compatible block mining RPC method.

Implements the evm_mine RPC call from the Ethereum JSON-RPC API. This method provides compatibility with Ethereum development tools and testing frameworks.

§Arguments

opts - Optional mining parameters including timestamp and block count

§Returns

Ok(H256) - The hash of the last block mined successfully.
Err(MiningError) - Mining operation failed

pub fn set_interval_mining(&self, interval: Duration)

Configure interval-based mining mode.

Sets the mining engine to produce blocks at regular time intervals. An interval of 0 disables interval mining. Changes take effect immediately and will wake the background mining task.

§Arguments

interval - Block production interval in seconds (0 to disable)

pub fn get_interval_mining(&self) -> Option<u64>

Get the current interval mining configuration.

Returns the current block production interval if interval or mixed mining is active, or None if interval mining is disabled.

§Returns

Some(seconds) - Interval mining active with specified interval
None - Interval mining is disabled

pub fn is_automine(&self) -> bool

Check if automatic mining is enabled.

Returns true if the mining engine will automatically produce blocks when new transactions are added to the transaction pool.

pub fn set_auto_mine(&self, enabled: bool)

Enable or disable automatic mining mode.

When enabled, the mining engine will automatically produce a new block whenever a transaction is added to the transaction pool. This provides instant transaction confirmation in development environments.

§Arguments

enabled - True to enable auto-mining, false to disable

pub fn set_next_block_timestamp( &self, time: Duration, ) -> Result<(), MiningError>

Set the timestamp for the next block to be mined.

Allows precise control over block timestamps for testing scenarios. The timestamp must not be older than the current blockchain time.

§Arguments

time_in_seconds - Unix timestamp in seconds for the next block

§Returns

Ok(()) - Timestamp set successfully
Err(MiningError::Timestamp) - Invalid timestamp

pub fn increase_time(&self, time: Duration) -> i64

Advance the blockchain time by a specified duration.

Increases the current blockchain time, affecting timestamps of future blocks.

§Arguments

time_in_seconds - Duration to advance in seconds

§Returns

new_timestamp - The new offset to the current time as i64

pub fn set_time(&self, timestamp: Duration) -> u64

Set the blockchain time to a specific timestamp.

Resets the blockchain time to the specified timestamp and returns the time difference from the previous timestamp.

§Arguments

timestamp - Target timestamp in seconds since Unix epoch

§Returns

offset_seconds - Time difference from previous timestamp

pub fn set_block_timestamp_interval(&self, interval_in_seconds: Duration)

Configure automatic timestamp intervals between blocks.

Sets a fixed time interval that will be automatically added to each block’s timestamp relative to the previous block. This ensures consistent time progression in the blockchain.

§Arguments

interval_in_seconds - Time interval to add between block timestamps

pub fn remove_block_timestamp_interval(&self) -> bool

Remove automatic timestamp intervals between blocks.

Disables the automatic timestamp interval feature, allowing blocks to have timestamps based on the actual mining time rather than fixed intervals.

§Returns

true - Timestamp interval was removed
false - No timestamp interval was configured

fn wake(&self)

pub async fn do_evm_mine( &self, opts: Option<MineOptions>, ) -> Result<(u64, H256), MiningError>

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impl !UnwindSafe for MiningEngine

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Returns self with the quirk() set to [Quirk :: Mask].

§Example

println!("{}", value.mask());

fn wrap(&self) -> Painted<&T>

Returns self with the quirk() set to [Quirk :: Wrap].

§Example

println!("{}", value.wrap());

fn linger(&self) -> Painted<&T>

Returns self with the quirk() set to [Quirk :: Linger].

§Example

println!("{}", value.linger());

fn clear(&self) -> Painted<&T>

👎Deprecated since 1.0.1: renamed to resetting() due to conflicts with Vec::clear(). The clear() method will be removed in a future release.

Returns self with the quirk() set to [Quirk :: Clear].

§Example

println!("{}", value.clear());

fn resetting(&self) -> Painted<&T>

Returns self with the quirk() set to [Quirk :: Resetting].

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println!("{}", value.resetting());

fn bright(&self) -> Painted<&T>

Returns self with the quirk() set to [Quirk :: Bright].

§Example

println!("{}", value.bright());

fn on_bright(&self) -> Painted<&T>

Returns self with the quirk() set to [Quirk :: OnBright].

§Example

println!("{}", value.on_bright());

fn whenever(&self, value: Condition) -> Painted<&T>

Conditionally enable styling based on whether the [Condition] value applies. Replaces any previous condition.

See the crate level docs for more details.

§Example

Enable styling painted only when both stdout and stderr are TTYs:

use yansi::{Paint, Condition};

painted.red().on_yellow().whenever(Condition::STDOUTERR_ARE_TTY);

fn new(self) -> Painted<Self>
where Self: Sized,

Create a new [Painted] with a default [Style]. Read more

fn paint<S>(&self, style: S) -> Painted<&Self>
where S: Into<Style>,

Apply a style wholesale to self. Any previous style is replaced. Read more

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

fn pipe<R>(self, func: impl FnOnce(Self) -> R) -> R
where Self: Sized,

Pipes by value. This is generally the method you want to use. Read more

fn pipe_ref<'a, R>(&'a self, func: impl FnOnce(&'a Self) -> R) -> R
where R: 'a,

Borrows self and passes that borrow into the pipe function. Read more

fn pipe_ref_mut<'a, R>(&'a mut self, func: impl FnOnce(&'a mut Self) -> R) -> R
where R: 'a,

Mutably borrows self and passes that borrow into the pipe function. Read more

fn pipe_borrow<'a, B, R>(&'a self, func: impl FnOnce(&'a B) -> R) -> R
where Self: Borrow, B: 'a + ?Sized, R: 'a,

Borrows self, then passes self.borrow() into the pipe function. Read more

fn pipe_borrow_mut<'a, B, R>( &'a mut self, func: impl FnOnce(&'a mut B) -> R, ) -> R
where Self: BorrowMut, B: 'a + ?Sized, R: 'a,

Mutably borrows self, then passes self.borrow_mut() into the pipe function. Read more

fn pipe_as_ref<'a, U, R>(&'a self, func: impl FnOnce(&'a U) -> R) -> R
where Self: AsRef, U: 'a + ?Sized, R: 'a,

Borrows self, then passes self.as_ref() into the pipe function.

fn pipe_as_mut<'a, U, R>(&'a mut self, func: impl FnOnce(&'a mut U) -> R) -> R
where Self: AsMut, U: 'a + ?Sized, R: 'a,

Mutably borrows self, then passes self.as_mut() into the pipe function.

fn pipe_deref<'a, T, R>(&'a self, func: impl FnOnce(&'a T) -> R) -> R
where Self: Deref<Target = T>, T: 'a + ?Sized, R: 'a,

Borrows self, then passes self.deref() into the pipe function.

fn pipe_deref_mut<'a, T, R>( &'a mut self, func: impl FnOnce(&'a mut T) -> R, ) -> R
where Self: DerefMut<Target = T> + Deref, T: 'a + ?Sized, R: 'a,

Mutably borrows self, then passes self.deref_mut() into the pipe function.

impl<T> Pointable for T

const ALIGN: usize

The alignment of pointer.

type Init = T

The type for initializers.

unsafe fn init(init: <T as Pointable>::Init) -> usize

Initializes a with the given initializer. Read more

unsafe fn deref<'a>(ptr: usize) -> &'a T

Dereferences the given pointer. Read more

unsafe fn deref_mut<'a>(ptr: usize) -> &'a mut T

Mutably dereferences the given pointer. Read more

unsafe fn drop(ptr: usize)

Drops the object pointed to by the given pointer. Read more

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

fn and<P, B, E>(self, other: P) -> And<T, P>
where T: Policy<B, E>, P: Policy<B, E>,

Create a new Policy that returns [Action::Follow] only if self and other return Action::Follow. Read more

fn or<P, B, E>(self, other: P) -> Or<T, P>
where T: Policy<B, E>, P: Policy<B, E>,

Create a new Policy that returns [Action::Follow] if either self or other returns Action::Follow. Read more

impl<T> Same for T

type Output = T

Should always be Self

impl<T> SaturatedConversion for T

fn saturated_from<T>(t: T) -> Self
where Self: UniqueSaturatedFrom<T>,

Convert from a value of T into an equivalent instance of Self. Read more

fn saturated_into<T>(self) -> T
where Self: UniqueSaturatedInto<T>,

Consume self to return an equivalent value of T. Read more

impl<SS, SP> SupersetOf<SS> for SP
where SS: SubsetOf<SP>,

fn to_subset(&self) -> Option<SS>

The inverse inclusion map: attempts to construct self from the equivalent element of its superset. Read more

fn is_in_subset(&self) -> bool

Checks if self is actually part of its subset T (and can be converted to it).

fn to_subset_unchecked(&self) -> SS

Use with care! Same as self.to_subset but without any property checks. Always succeeds.

fn from_subset(element: &SS) -> SP

The inclusion map: converts self to the equivalent element of its superset.

impl<T> Tap for T

fn tap(self, func: impl FnOnce(&Self)) -> Self

Immutable access to a value. Read more

fn tap_mut(self, func: impl FnOnce(&mut Self)) -> Self

Mutable access to a value. Read more

fn tap_borrow(self, func: impl FnOnce(&B)) -> Self
where Self: Borrow, B: ?Sized,

Immutable access to the Borrow of a value. Read more

fn tap_borrow_mut(self, func: impl FnOnce(&mut B)) -> Self
where Self: BorrowMut, B: ?Sized,

Mutable access to the BorrowMut of a value. Read more

fn tap_ref<R>(self, func: impl FnOnce(&R)) -> Self
where Self: AsRef<R>, R: ?Sized,

Immutable access to the AsRef<R> view of a value. Read more

fn tap_ref_mut<R>(self, func: impl FnOnce(&mut R)) -> Self
where Self: AsMut<R>, R: ?Sized,

Mutable access to the AsMut<R> view of a value. Read more

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

Immutable access to the Deref::Target of a value. Read more

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

Mutable access to the Deref::Target of a value. Read more

fn tap_dbg(self, func: impl FnOnce(&Self)) -> Self

Calls .tap() only in debug builds, and is erased in release builds.

fn tap_mut_dbg(self, func: impl FnOnce(&mut Self)) -> Self

Calls .tap_mut() only in debug builds, and is erased in release builds.

fn tap_borrow_dbg(self, func: impl FnOnce(&B)) -> Self
where Self: Borrow, B: ?Sized,

Calls .tap_borrow() only in debug builds, and is erased in release builds.

fn tap_borrow_mut_dbg(self, func: impl FnOnce(&mut B)) -> Self
where Self: BorrowMut, B: ?Sized,

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

fn tap_ref_dbg<R>(self, func: impl FnOnce(&R)) -> Self
where Self: AsRef<R>, R: ?Sized,

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

fn tap_ref_mut_dbg<R>(self, func: impl FnOnce(&mut R)) -> Self
where Self: AsMut<R>, R: ?Sized,

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

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

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

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.

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

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

type Error = Infallible

The type returned in the event of a conversion error.

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

Performs the conversion.

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

type Error = >::Error

The type returned in the event of a conversion error.

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

Performs the conversion.

impl<T, U> TryIntoKey for T
where U: TryFromKey<T>,

type Error = >::Error

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

impl<S, T> UncheckedInto<T> for S
where T: UncheckedFrom<S>,

fn unchecked_into(self) -> T

The counterpart to unchecked_from.

impl<T, S> UniqueSaturatedInto<T> for S
where T: Bounded, S: TryInto<T>,

fn unique_saturated_into(self) -> T

Consume self to return an equivalent value of T.

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

fn vzip(self) -> V

impl<T> WithSubscriber for T

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

fn with_current_subscriber(self) -> WithDispatch<Self>

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

impl<T> WithSubscriber for T

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

fn with_current_subscriber(self) -> WithDispatch<Self>

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

impl<T> JsonSchemaMaybe for T