GasId

revm_interpreter::gas::params

Struct GasId 

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pub struct GasId(/* private fields */);
Expand description

Gas identifier that maps onto index in gas table.

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impl GasId

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pub const fn new(id: u8) -> Self

Creates a new GasId with the given id.

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pub const fn as_u8(&self) -> u8

Returns the id of the gas.

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pub const fn as_usize(&self) -> usize

Returns the id of the gas as a usize.

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pub const fn name(&self) -> &'static str

Returns the name of the gas identifier as a string.

§Examples
use revm_interpreter::gas::params::GasId;

assert_eq!(GasId::exp_byte_gas().name(), "exp_byte_gas");
assert_eq!(GasId::memory_linear_cost().name(), "memory_linear_cost");
assert_eq!(GasId::sstore_static().name(), "sstore_static");
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pub fn from_name(s: &str) -> Option<GasId>

Converts a string to a GasId.

Returns None if the string does not match any known gas identifier.

§Examples
use revm_interpreter::gas::params::GasId;

assert_eq!(GasId::from_name("exp_byte_gas"), Some(GasId::exp_byte_gas()));
assert_eq!(GasId::from_name("memory_linear_cost"), Some(GasId::memory_linear_cost()));
assert_eq!(GasId::from_name("invalid_name"), None);
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pub const fn exp_byte_gas() -> GasId

EXP gas cost per byte

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pub const fn extcodecopy_per_word() -> GasId

EXTCODECOPY gas cost per word

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pub const fn copy_per_word() -> GasId

Copy copy per word

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pub const fn logdata() -> GasId

Log data gas cost per byte

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pub const fn logtopic() -> GasId

Log topic gas cost per topic

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pub const fn mcopy_per_word() -> GasId

MCOPY gas cost per word

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pub const fn keccak256_per_word() -> GasId

KECCAK256 gas cost per word

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pub const fn memory_linear_cost() -> GasId

Memory linear cost. Memory is additionally added as n*linear_cost.

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pub const fn memory_quadratic_reduction() -> GasId

Memory quadratic reduction. Memory is additionally added as n*n/quadratic_reduction.

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pub const fn initcode_per_word() -> GasId

Initcode word cost

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pub const fn create() -> GasId

Create gas cost

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pub const fn call_stipend_reduction() -> GasId

Call stipend reduction. Call stipend is reduced by 1/64 of the gas limit.

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pub const fn transfer_value_cost() -> GasId

Transfer value cost

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pub const fn cold_account_additional_cost() -> GasId

Additional cold cost. Additional cold cost is added to the gas cost if the account is cold loaded.

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pub const fn new_account_cost() -> GasId

New account cost. New account cost is added to the gas cost if the account is empty.

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pub const fn warm_storage_read_cost() -> GasId

Warm storage read cost. Warm storage read cost is added to the gas cost if the account is warm loaded.

Used in delegated account access to specify delegated account warm gas cost.

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pub const fn sstore_static() -> GasId

Static gas cost for SSTORE opcode. This gas in comparison with other gas const needs to be deducted after check for minimal stipend gas cost. This is a reason why it is here.

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pub const fn sstore_set_without_load_cost() -> GasId

SSTORE set cost additional amount after SSTORE_RESET is added.

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pub const fn sstore_reset_without_cold_load_cost() -> GasId

SSTORE reset cost

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pub const fn sstore_clearing_slot_refund() -> GasId

SSTORE clearing slot refund

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pub const fn selfdestruct_refund() -> GasId

Selfdestruct refund.

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pub const fn call_stipend() -> GasId

Call stipend checked in sstore.

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pub const fn cold_storage_additional_cost() -> GasId

Cold storage additional cost.

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pub const fn cold_storage_cost() -> GasId

Cold storage cost

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pub const fn new_account_cost_for_selfdestruct() -> GasId

New account cost for selfdestruct.

Trait Implementations§

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impl Clone for GasId

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fn clone(&self) -> GasId

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 Debug for GasId

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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 Hash for GasId

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fn hash<__H: Hasher>(&self, state: &mut __H)

Feeds this value into the given Hasher. Read more
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fn hash_slice<H>(data: &[Self], state: &mut H)
where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher. Read more
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impl PartialEq for GasId

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fn eq(&self, other: &GasId) -> bool

Tests for self and other values to be equal, and is used by ==.
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fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.
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impl Copy for GasId

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impl Eq for GasId

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impl StructuralPartialEq for GasId

Auto Trait Implementations§

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impl Freeze for GasId

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impl RefUnwindSafe for GasId

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impl Send for GasId

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impl Sync for GasId

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impl Unpin for GasId

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impl UnwindSafe for GasId

Blanket Implementations§

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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> 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> Conv for T

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

Converts self into T using Into<T>. Read more
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impl<Q, K> Equivalent<K> for Q
where Q: Eq + ?Sized, K: Borrow<Q> + ?Sized,

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fn equivalent(&self, key: &K) -> bool

Compare self to key and return true if they are equal.
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impl<T> FmtForward for T

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

Causes self to use its Binary implementation when Debug-formatted.
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fn fmt_display(self) -> FmtDisplay<Self>
where Self: Display,

Causes self to use its Display implementation when Debug-formatted.
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fn fmt_lower_exp(self) -> FmtLowerExp<Self>
where Self: LowerExp,

Causes self to use its LowerExp implementation when Debug-formatted.
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fn fmt_lower_hex(self) -> FmtLowerHex<Self>
where Self: LowerHex,

Causes self to use its LowerHex implementation when Debug-formatted.
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fn fmt_octal(self) -> FmtOctal<Self>
where Self: Octal,

Causes self to use its Octal implementation when Debug-formatted.
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fn fmt_pointer(self) -> FmtPointer<Self>
where Self: Pointer,

Causes self to use its Pointer implementation when Debug-formatted.
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fn fmt_upper_exp(self) -> FmtUpperExp<Self>
where Self: UpperExp,

Causes self to use its UpperExp implementation when Debug-formatted.
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fn fmt_upper_hex(self) -> FmtUpperHex<Self>
where Self: UpperHex,

Causes self to use its UpperHex implementation when Debug-formatted.
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fn fmt_list(self) -> FmtList<Self>
where &'a Self: for<'a> IntoIterator,

Formats each item in a sequence. Read more
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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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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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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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where T: ?Sized,

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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
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where R: 'a,

Borrows self and passes that borrow into the pipe function. Read more
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where Self: Borrow<B>, B: 'a + ?Sized, R: 'a,

Borrows self, then passes self.borrow() into the pipe function. Read more
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where Self: BorrowMut<B>, B: 'a + ?Sized, R: 'a,

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where Self: AsRef<U>, U: 'a + ?Sized, R: 'a,

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where Self: AsMut<U>, U: 'a + ?Sized, R: 'a,

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where Self: Deref<Target = T>, T: 'a + ?Sized, R: 'a,

Borrows self, then passes self.deref() into the pipe function.
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where Self: DerefMut<Target = T> + Deref, T: 'a + ?Sized, R: 'a,

Mutably borrows self, then passes self.deref_mut() into the pipe function.
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type Output = T

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

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Mutable access to a value. Read more
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where Self: Borrow<B>, B: ?Sized,

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where Self: BorrowMut<B>, B: ?Sized,

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where Self: AsRef<R>, R: ?Sized,

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where Self: AsMut<R>, R: ?Sized,

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

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where Self: DerefMut<Target = T> + Deref, T: ?Sized,

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where Self: BorrowMut<B>, B: ?Sized,

Calls .tap_borrow_mut() only in debug builds, and is erased in release builds.
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where Self: AsRef<R>, R: ?Sized,

Calls .tap_ref() only in debug builds, and is erased in release builds.
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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.
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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.
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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.
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where T: Clone,

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type Owned = T

The resulting type after obtaining ownership.
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fn clone_into(&self, target: &mut T)

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