Struct H160

#[repr(C)]
pub struct H160(pub [u8; 20]);

A byte array of length 20 representing the Address.

Tuple Fields

0: [u8; 20]

Implementations

impl H160

pub const fn repeat_byte(byte: u8) -> H160

Returns a new fixed hash where all bits are set to the given byte.

pub const fn zero() -> H160

Returns a new zero-initialized fixed hash.

pub const fn len_bytes() -> usize

Returns the size of this hash in bytes.

pub fn as_bytes(&self) -> &[u8]

Extracts a byte slice containing the entire fixed hash.

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; 20]

Extracts a reference to the byte array containing the entire fixed hash.

pub fn as_fixed_bytes_mut(&mut self) -> &mut [u8; 20]

Extracts a reference to the byte array containing the entire fixed hash.

pub const fn to_fixed_bytes(self) -> [u8; 20]

Returns the inner bytes array.

pub fn as_ptr(&self) -> *const u8

Returns a constant raw pointer to the value.

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])

Assign the bytes from the byte slice src to self.

Note

The given bytes are interpreted in big endian order.

Panics

If the length of src and the number of bytes in self do not match.

pub fn from_slice(src: &[u8]) -> Self

Create a new fixed-hash from the given slice src.

Note

The given bytes are interpreted in big endian order.

Panics

If the length of src and the number of bytes in Self do not match.

pub fn covers(&self, b: &Self) -> bool

Returns true if all bits set in b are also set in self.

pub fn is_zero(&self) -> bool

Returns true if no bits are set.

impl H160

pub fn to_hex_string(&self) -> String

impl H160

pub const fn new(val: [u8; 20]) -> Self

Trait Implementations

impl AsMut<[u8]> for H160

fn as_mut(&mut self) -> &mut [u8]

Converts this type into a mutable reference of the (usually inferred) input type.

impl AsRef<[u8]> for H160

fn as_ref(&self) -> &[u8]

Converts this type into a shared reference of the (usually inferred) input type.

impl AsRef<H160> for H160

fn as_ref(&self) -> &H160

Converts this type into a shared reference of the (usually inferred) input type.

impl<'l, 'r> BitAnd<&'r H160> for &'l H160

type Output = H160

The resulting type after applying the & operator.

fn bitand(self, rhs: &'r H160) -> Self::Output

Performs the & operation.

impl BitAnd for H160

type Output = H160

The resulting type after applying the & operator.

fn bitand(self, rhs: Self) -> Self::Output

Performs the & operation.

impl<'r> BitAndAssign<&'r H160> for H160

fn bitand_assign(&mut self, rhs: &'r H160)

Performs the &= operation.

impl BitAndAssign for H160

fn bitand_assign(&mut self, rhs: H160)

Performs the &= operation.

impl<'l, 'r> BitOr<&'r H160> for &'l H160

type Output = H160

The resulting type after applying the | operator.

fn bitor(self, rhs: &'r H160) -> Self::Output

Performs the | operation.

impl BitOr for H160

type Output = H160

The resulting type after applying the | operator.

fn bitor(self, rhs: Self) -> Self::Output

Performs the | operation.

impl<'r> BitOrAssign<&'r H160> for H160

fn bitor_assign(&mut self, rhs: &'r H160)

Performs the |= operation.

impl BitOrAssign for H160

fn bitor_assign(&mut self, rhs: H160)

Performs the |= operation.

impl<'l, 'r> BitXor<&'r H160> for &'l H160

type Output = H160

The resulting type after applying the ^ operator.

fn bitxor(self, rhs: &'r H160) -> Self::Output

Performs the ^ operation.

impl BitXor for H160

type Output = H160

The resulting type after applying the ^ operator.

fn bitxor(self, rhs: Self) -> Self::Output

Performs the ^ operation.

impl<'r> BitXorAssign<&'r H160> for H160

fn bitxor_assign(&mut self, rhs: &'r H160)

Performs the ^= operation.

impl BitXorAssign for H160

fn bitxor_assign(&mut self, rhs: H160)

Performs the ^= operation.

impl Clone for H160

fn clone(&self) -> H160

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for H160

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

Formats the value using the given formatter.

impl Decode for H160

fn decode<__CodecInputEdqy: Input>( __codec_input_edqy: &mut __CodecInputEdqy, ) -> Result<Self, Error>

Attempt to deserialise the value from input.

fn decode_into<I>( input: &mut I, dst: &mut MaybeUninit<Self>, ) -> Result<DecodeFinished, Error>

where I: Input,

Attempt to deserialize the value from input into a pre-allocated piece of memory.

fn skip<I>(input: &mut I) -> Result<(), Error>

where I: Input,

Attempt to skip the encoded value from input.

fn encoded_fixed_size() -> Option<usize>

Returns the fixed encoded size of the type.

impl Default for H160

fn default() -> Self

Returns the “default value” for a type.

impl Display for H160

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

Formats the value using the given formatter.

impl Encode for H160

fn size_hint(&self) -> usize

If possible give a hint of expected size of the encoding.

fn encode_to<__CodecOutputEdqy: Output + ?Sized>( &self, __codec_dest_edqy: &mut __CodecOutputEdqy, )

Convert self to a slice and append it to the destination.

fn encode(&self) -> Vec<u8>

Convert self to an owned vector.

fn using_encoded<__CodecOutputReturn, __CodecUsingEncodedCallback: FnOnce(&[u8]) -> __CodecOutputReturn>( &self, f: __CodecUsingEncodedCallback, ) -> __CodecOutputReturn

Convert self to a slice and then invoke the given closure with it.

fn encoded_size(&self) -> usize

Calculates the encoded size.

impl<'a> From<&'a [u8; 20]> for H160

fn from(bytes: &'a [u8; 20]) -> Self

Constructs a hash type from the given reference to the bytes array of fixed length.

Note

The given bytes are interpreted in big endian order.

impl<'a> From<&'a mut [u8; 20]> for H160

fn from(bytes: &'a mut [u8; 20]) -> Self

Constructs a hash type from the given reference to the mutable bytes array of fixed length.

Note

The given bytes are interpreted in big endian order.

impl From<[u8; 20]> for H160

fn from(bytes: [u8; 20]) -> Self

Constructs a hash type from the given bytes array of fixed length.

Note

The given bytes are interpreted in big endian order.

impl From<H160> for [u8; 20]

fn from(s: H160) -> Self

Converts to this type from the input type.

impl Hash for H160

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

where H: Hasher,

Feeds this value into the given Hasher.

fn hash_slice<H>(data: &[Self], state: &mut H)

where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher.

impl<I> Index<I> for H160

where I: SliceIndex<[u8]>,

type Output = <I as SliceIndex<[u8]>>::Output

The returned type after indexing.

fn index(&self, index: I) -> &I::Output

Performs the indexing (container[index]) operation.

impl<I> IndexMut<I> for H160

where I: SliceIndex<[u8], Output = [u8]>,

fn index_mut(&mut self, index: I) -> &mut I::Output

Performs the mutable indexing (container[index]) operation.

impl LowerHex for H160

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

Formats the value using the given formatter.

impl Ord for H160

fn cmp(&self, other: &Self) -> Ordering

This method returns an Ordering between self and other.

fn max(self, other: Self) -> Self

where Self: Sized,

Compares and returns the maximum of two values.

fn min(self, other: Self) -> Self

where Self: Sized,

Compares and returns the minimum of two values.

fn clamp(self, min: Self, max: Self) -> Self

where Self: Sized,

Restrict a value to a certain interval.

impl PartialEq for H160

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

Tests for self and other values to be equal, and is used by ==.

const fn ne(&self, other: &Rhs) -> bool

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

impl PartialOrd for H160

fn partial_cmp(&self, other: &Self) -> Option<Ordering>

This method returns an ordering between self and other values if one exists.

fn lt(&self, other: &Rhs) -> bool

Tests less than (for self and other) and is used by the < operator.

fn le(&self, other: &Rhs) -> bool

Tests less than or equal to (for self and other) and is used by the <= operator.

fn gt(&self, other: &Rhs) -> bool

Tests greater than (for self and other) and is used by the > operator.

fn ge(&self, other: &Rhs) -> bool

Tests greater than or equal to (for self and other) and is used by the >= operator.

impl TypeInfo for H160

type Identity = H160

The type identifying for which type info is provided.

fn type_info() -> Type

Returns the static type identifier for Self.

impl UpperHex for H160

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

Formats the value using the given formatter.

impl Copy for H160

impl EncodeLike for H160

impl Eq for H160