Struct substrate_api_client::Hash [−]
Expand description
Fixed-size uninterpreted hash type with 32 bytes (256 bits) size.
Implementations
impl H256
impl H256
pub const fn repeat_byte(byte: u8) -> H256
pub const fn repeat_byte(byte: u8) -> H256
Returns a new fixed hash where all bits are set to the given byte.
pub fn as_bytes_mut(&mut self) -> &mut [u8]
pub fn as_bytes_mut(&mut self) -> &mut [u8]
Extracts a mutable byte slice containing the entire fixed hash.
pub const fn as_fixed_bytes(&self) -> &[u8; 32]
pub const fn as_fixed_bytes(&self) -> &[u8; 32]
Extracts a reference to the byte array containing the entire fixed hash.
pub fn as_fixed_bytes_mut(&mut self) -> &mut [u8; 32]
pub fn as_fixed_bytes_mut(&mut self) -> &mut [u8; 32]
Extracts a reference to the byte array containing the entire fixed hash.
pub const fn to_fixed_bytes(self) -> [u8; 32]
pub const fn to_fixed_bytes(self) -> [u8; 32]
Returns the inner bytes array.
pub fn as_mut_ptr(&mut self) -> *mut u8
pub fn as_mut_ptr(&mut self) -> *mut u8
Returns a mutable raw pointer to the value.
pub fn assign_from_slice(&mut self, src: &[u8])
pub fn assign_from_slice(&mut self, src: &[u8])
pub fn from_slice(src: &[u8]) -> H256
pub fn from_slice(src: &[u8]) -> H256
impl H256
impl H256
Utilities using the byteorder
crate.
pub fn to_low_u64_be(&self) -> u64
pub fn to_low_u64_be(&self) -> u64
Returns the lowest 8 bytes interpreted as big-endian.
Note
For hash type with less than 8 bytes the missing bytes are interpreted as being zero.
pub fn to_low_u64_le(&self) -> u64
pub fn to_low_u64_le(&self) -> u64
Returns the lowest 8 bytes interpreted as little-endian.
Note
For hash type with less than 8 bytes the missing bytes are interpreted as being zero.
pub fn to_low_u64_ne(&self) -> u64
pub fn to_low_u64_ne(&self) -> u64
Returns the lowest 8 bytes interpreted as native-endian.
Note
For hash type with less than 8 bytes the missing bytes are interpreted as being zero.
pub fn from_low_u64_be(val: u64) -> H256
pub fn from_low_u64_be(val: u64) -> H256
Creates a new hash type from the given u64
value.
Note
- The given
u64
value is interpreted as big endian. - Ignores the most significant bits of the given value if the hash type has less than 8 bytes.
pub fn from_low_u64_le(val: u64) -> H256
pub fn from_low_u64_le(val: u64) -> H256
Creates a new hash type from the given u64
value.
Note
- The given
u64
value is interpreted as little endian. - Ignores the most significant bits of the given value if the hash type has less than 8 bytes.
pub fn from_low_u64_ne(val: u64) -> H256
pub fn from_low_u64_ne(val: u64) -> H256
Creates a new hash type from the given u64
value.
Note
- The given
u64
value is interpreted as native endian. - Ignores the most significant bits of the given value if the hash type has less than 8 bytes.
impl H256
impl H256
Utilities using the rand
crate.
pub fn randomize_using<R>(&mut self, rng: &mut R) where
R: Rng + ?Sized,
pub fn randomize_using<R>(&mut self, rng: &mut R) where
R: Rng + ?Sized,
Assign self
to a cryptographically random value using the
given random number generator.
pub fn randomize(&mut self)
pub fn randomize(&mut self)
Assign self
to a cryptographically random value.
pub fn random_using<R>(rng: &mut R) -> H256 where
R: Rng + ?Sized,
pub fn random_using<R>(rng: &mut R) -> H256 where
R: Rng + ?Sized,
Create a new hash with cryptographically random content using the given random number generator.
Trait Implementations
impl<'r> BitAndAssign<&'r H256> for H256
impl<'r> BitAndAssign<&'r H256> for H256
pub fn bitand_assign(&mut self, rhs: &'r H256)
pub fn bitand_assign(&mut self, rhs: &'r H256)
Performs the &=
operation. Read more
impl BitAndAssign<H256> for H256
impl BitAndAssign<H256> for H256
pub fn bitand_assign(&mut self, rhs: H256)
pub fn bitand_assign(&mut self, rhs: H256)
Performs the &=
operation. Read more
impl<'r> BitOrAssign<&'r H256> for H256
impl<'r> BitOrAssign<&'r H256> for H256
pub fn bitor_assign(&mut self, rhs: &'r H256)
pub fn bitor_assign(&mut self, rhs: &'r H256)
Performs the |=
operation. Read more
impl BitOrAssign<H256> for H256
impl BitOrAssign<H256> for H256
pub fn bitor_assign(&mut self, rhs: H256)
pub fn bitor_assign(&mut self, rhs: H256)
Performs the |=
operation. Read more
impl<'r> BitXorAssign<&'r H256> for H256
impl<'r> BitXorAssign<&'r H256> for H256
pub fn bitxor_assign(&mut self, rhs: &'r H256)
pub fn bitxor_assign(&mut self, rhs: &'r H256)
Performs the ^=
operation. Read more
impl BitXorAssign<H256> for H256
impl BitXorAssign<H256> for H256
pub fn bitxor_assign(&mut self, rhs: H256)
pub fn bitxor_assign(&mut self, rhs: H256)
Performs the ^=
operation. Read more
Perform the equality check.
impl<'de> Deserialize<'de> for H256
impl<'de> Deserialize<'de> for H256
pub fn deserialize<D>(
deserializer: D
) -> Result<H256, <D as Deserializer<'de>>::Error> where
D: Deserializer<'de>,
pub fn deserialize<D>(
deserializer: D
) -> Result<H256, <D as Deserializer<'de>>::Error> where
D: Deserializer<'de>,
Deserialize this value from the given Serde deserializer. Read more
pub fn using_encoded<R, F>(&self, f: F) -> R where
F: FnOnce(&[u8]) -> R,
pub fn using_encoded<R, F>(&self, f: F) -> R where
F: FnOnce(&[u8]) -> R,
Convert self to a slice and then invoke the given closure with it.
If possible give a hint of expected size of the encoding. Read more
Convert self to a slice and append it to the destination.
Calculates the encoded size. Read more
type Err = FromHexError
type Err = FromHexError
The associated error which can be returned from parsing.
impl MallocSizeOf for H256
impl MallocSizeOf for H256
Measure the heap usage of all descendant heap-allocated structures, but
not the space taken up by the value itself.
If T::size_of
is a constant, consider implementing constant_size
as well. Read more
pub fn constant_size() -> Option<usize>
pub fn constant_size() -> Option<usize>
Used to optimize MallocSizeOf
implementation for collections
like Vec
and HashMap
to avoid iterating over them unnecessarily.
The Self: Sized
bound is for object safety. Read more
impl MaxEncodedLen for H256
impl MaxEncodedLen for H256
pub fn max_encoded_len() -> usize
pub fn max_encoded_len() -> usize
Upper bound, in bytes, of the maximum encoded size of this item.
impl PartialOrd<H256> for H256
impl PartialOrd<H256> for H256
pub fn partial_cmp(&self, other: &H256) -> Option<Ordering>
pub fn partial_cmp(&self, other: &H256) -> Option<Ordering>
This method returns an ordering between self
and other
values if one exists. Read more
This method tests less than (for self
and other
) and is used by the <
operator. Read more
This method tests less than or equal to (for self
and other
) and is used by the <=
operator. Read more
This method tests greater than (for self
and other
) and is used by the >
operator. Read more
impl PassBy for H256
impl PassBy for H256
impl PassByInner for H256
impl PassByInner for H256
pub fn into_inner(self) -> <H256 as PassByInner>::Inner
pub fn into_inner(self) -> <H256 as PassByInner>::Inner
Consumes self
and returns the inner type.
pub fn from_inner(inner: <H256 as PassByInner>::Inner) -> H256
pub fn from_inner(inner: <H256 as PassByInner>::Inner) -> H256
Construct Self
from the given inner
.
pub fn serialize<S>(
&self,
serializer: S
) -> Result<<S as Serializer>::Ok, <S as Serializer>::Error> where
S: Serializer,
pub fn serialize<S>(
&self,
serializer: S
) -> Result<<S as Serializer>::Ok, <S as Serializer>::Error> where
S: Serializer,
Serialize this value into the given Serde serializer. Read more
Convert from an instance of T
to Self. This is not guaranteed to be
whatever counts as a valid instance of T
and it’s up to the caller to
ensure that it makes sense. Read more
impl EncodeLike<H256> for H256
Auto Trait Implementations
impl RefUnwindSafe for H256
impl UnwindSafe for H256
Blanket Implementations
pub fn as_byte_slice(&self) -> &[u8]
pub fn as_mut_byte_slice(&mut self) -> &mut [u8]
pub fn as_mut_slice_of<T>(&mut self) -> Result<&mut [T], Error> where
T: FromByteSlice,
pub fn as_slice_of<T>(&self) -> Result<&[T], Error> where
T: FromByteSlice,
Mutably borrows from an owned value. Read more
impl<T> CallHasher for T where
T: Hash,
impl<T> CallHasher for T where
T: Hash,
Compare self to key
and return true
if they are equal.
type SelfInstance = T
type SelfInstance = T
As Self
can be an unsized type, it needs to be represented by a sized type at the host.
This SelfInstance
is the sized type. Read more
pub fn from_ffi_value(
context: &mut dyn FunctionContext,
arg: <<T as PassBy>::PassBy as RIType>::FFIType
) -> Result<T, String>
pub fn from_ffi_value(
context: &mut dyn FunctionContext,
arg: <<T as PassBy>::PassBy as RIType>::FFIType
) -> Result<T, String>
Create SelfInstance
from the given
Instruments this type with the provided Span
, returning an
Instrumented
wrapper. Read more
Instruments this type with the provided Span
, returning an
Instrumented
wrapper. Read more
pub fn into_ffi_value(
self,
context: &mut dyn FunctionContext
) -> Result<<<T as PassBy>::PassBy as RIType>::FFIType, String>
pub fn into_ffi_value(
self,
context: &mut dyn FunctionContext
) -> Result<<<T as PassBy>::PassBy as RIType>::FFIType, String>
Convert self
into a ffi value.
fn malloc_size_of(&self) -> usize
fn malloc_size_of(&self) -> usize
Method to launch a heapsize measurement with a fresh state. Read more
pub fn protocol_name(&self) -> &[u8]
pub fn protocol_name(&self) -> &[u8]
The protocol name as bytes. Transmitted on the network. Read more
type FFIType = <<T as PassBy>::PassBy as RIType>::FFIType
type FFIType = <<T as PassBy>::PassBy as RIType>::FFIType
The ffi type that is used to represent Self
.
type Output = T
type Output = T
Should always be Self
fn saturated_from<T>(t: T) -> Self where
Self: UniqueSaturatedFrom<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>,
fn saturated_into<T>(self) -> T where
Self: UniqueSaturatedInto<T>,
Consume self to return an equivalent value of T
. Read more
The counterpart to unchecked_from
.
pub fn unique_saturated_into(self) -> T
pub fn unique_saturated_into(self) -> T
Consume self to return an equivalent value of T
.
pub fn vzip(self) -> V
impl<T> MaybeDebug for T where
T: Debug,
impl<T> MaybeDebug for T where
T: Debug,
impl<T> MaybeHash for T where
T: Hash,
impl<T> MaybeRefUnwindSafe for T where
T: RefUnwindSafe,