cast::revm::precompile

Enum Precompile

pub enum Precompile {
    Standard(fn(_: &Bytes, _: u64) -> Result<PrecompileOutput, PrecompileErrors>),
    Env(fn(_: &Bytes, _: u64, _: &Env) -> Result<PrecompileOutput, PrecompileErrors>),
    Stateful(Arc<dyn StatefulPrecompile>),
    StatefulMut(Box<dyn StatefulPrecompileMut>),
}

Expand description

Precompile and its handlers.

Variants§

Standard(fn(_: &Bytes, _: u64) -> Result<PrecompileOutput, PrecompileErrors>)

Standard simple precompile that takes input and gas limit.

Env(fn(_: &Bytes, _: u64, _: &Env) -> Result<PrecompileOutput, PrecompileErrors>)

Similar to Standard but takes reference to environment.

Stateful(Arc<dyn StatefulPrecompile>)

Stateful precompile that is Arc over StatefulPrecompile trait. It takes a reference to input, gas limit and environment.

StatefulMut(Box<dyn StatefulPrecompileMut>)

Mutable stateful precompile that is Box over StatefulPrecompileMut trait. It takes a reference to input, gas limit and environment.

Implementations§

impl Precompile

pub fn new_stateful<P>(p: P) -> Precompile
where P: StatefulPrecompile + 'static,

Create a new stateful precompile.

pub fn new_stateful_mut<P>(p: P) -> Precompile
where P: StatefulPrecompileMut + 'static,

Create a new mutable stateful precompile.

pub fn call( &mut self, bytes: &Bytes, gas_limit: u64, env: &Env, ) -> Result<PrecompileOutput, PrecompileErrors>

Call the precompile with the given input and gas limit and return the result.

pub fn call_ref( &self, bytes: &Bytes, gas_limit: u64, env: &Env, ) -> Result<PrecompileOutput, PrecompileErrors>

Call the precompile with the given input and gas limit and return the result.

Returns an error if the precompile is mutable.

Trait Implementations§

impl Clone for Precompile

fn clone(&self) -> Precompile

Returns a copy of the value. Read more

1.0.0 · Source§

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more

impl Debug for Precompile

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

Formats the value using the given formatter. Read more

impl From<Arc<dyn StatefulPrecompile>> for Precompile

fn from(p: Arc<dyn StatefulPrecompile>) -> Precompile

Converts to this type from the input type.

impl From<Box<dyn StatefulPrecompileMut>> for Precompile

fn from(p: Box<dyn StatefulPrecompileMut>) -> Precompile

Converts to this type from the input type.

impl<DB> From<Precompile> for ContextPrecompile<DB>
where DB: Database,

fn from(p: Precompile) -> ContextPrecompile<DB>

Converts to this type from the input type.

impl From<fn(_: &Bytes, _: u64) -> Result<PrecompileOutput, PrecompileErrors>> for Precompile

fn from( p: fn(_: &Bytes, _: u64) -> Result<PrecompileOutput, PrecompileErrors>, ) -> Precompile

Converts to this type from the input type.

impl From<fn(_: &Bytes, _: u64, _: &Env) -> Result<PrecompileOutput, PrecompileErrors>> for Precompile

fn from( p: fn(_: &Bytes, _: u64, _: &Env) -> Result<PrecompileOutput, PrecompileErrors>, ) -> Precompile

Converts to this type from the input type.

Auto Trait Implementations§

impl Freeze for Precompile

impl !RefUnwindSafe for Precompile

impl Send for Precompile

impl Sync for Precompile

impl Unpin for Precompile

impl !UnwindSafe for Precompile

Blanket Implementations§

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Layout§

Note: Most layout information is completely unstable and may even differ between compilations. The only exception is types with certain repr(...) attributes. Please see the Rust Reference's “Type Layout” chapter for details on type layout guarantees.

Size: 24 bytes

Size for each variant:

Standard: 8 bytes
Env: 8 bytes
Stateful: 16 bytes
StatefulMut: 16 bytes