Struct Uint256 

pub struct Uint256(pub [u64; 4]);

Little-endian large integer type

Tuple Fields

0: [u64; 4]

Implementations

impl Uint256

pub const ZERO: Self

pub const MIN: Self = Self::ZERO

pub const MAX: Self

pub const BITS: u32 = 256u32

pub const BYTES: usize = 32usize

pub const LIMBS: usize = 4usize

pub fn from_u64(n: u64) -> Self

pub fn from_u128(n: u128) -> Self

pub fn as_u128(self) -> u128

pub fn as_u64(self) -> u64

pub fn is_zero(self) -> bool

pub fn bits(&self) -> u32

Return the least number of bits needed to represent the number

pub fn leading_zeros(&self) -> u32

pub fn overflowing_shl(self, s: u32) -> (Self, bool)

pub fn wrapping_shl(self, s: u32) -> Self

pub fn overflowing_shr(self, s: u32) -> (Self, bool)

pub fn overflowing_add(self, other: Self) -> (Self, bool)

pub fn overflowing_add_u64(self, other: u64) -> (Self, bool)

pub fn overflowing_sub(self, other: Self) -> (Self, bool)

pub fn overflowing_mul_u64(self, other: u64) -> (Self, bool)

Multiplication by u64

pub fn carrying_mul_u64(self, other: u64) -> (Self, u64)

pub fn overflowing_mul(self, other: Self) -> (Self, bool)

pub fn from_le_bytes(bytes: [u8; 32]) -> Self

Creates big integer value from a byte slice using little-endian encoding

pub fn from_be_bytes(bytes: [u8; 32]) -> Self

Creates big integer value from a byte slice using big-endian encoding

pub fn to_le_bytes(self) -> [u8; 32]

Convert’s the Uint into little endian byte array

pub fn to_be_bytes(self) -> [u8; 32]

Convert’s the Uint into big endian byte array

pub fn to_be_bytes_var(self) -> Vec<u8>

pub fn div_rem_u64(self, other: u64) -> (Self, u64)

pub fn as_f64(&self) -> f64

pub fn div_rem(self, other: Self) -> (Self, Self)

pub fn mod_inverse(self, prime: Self) -> Option<Self>

Assumes self < prime

pub fn iter_be_bits(self) -> impl ExactSizeIterator<Item = bool> + FusedIterator

pub fn from_hex(hex: &str) -> Result<Self, Error>

Converts a Self::BYTES*2 hex string interpreted as big endian, into a Uint

pub fn from_be_bytes_var(bytes: &[u8]) -> Result<Self, TryFromSliceError>

pub fn as_bigint(&self) -> Result<BigInt, Error>

pub fn to_bigint(self) -> Result<BigInt, Error>

impl Uint256

pub fn from_compact_target_bits(bits: u32) -> Self

pub fn compact_target_bits(self) -> u32

Computes the target value in float format from BigInt format.

Trait Implementations

impl Add<u64> for Uint256

type Output = Uint256

The resulting type after applying the + operator.

fn add(self, other: u64) -> Uint256

Performs the + operation.

impl Add for Uint256

type Output = Uint256

The resulting type after applying the + operator.

fn add(self, other: Uint256) -> Uint256

Performs the + operation.

impl Binary for Uint256

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

Formats the value using the given formatter.

impl BitAnd for Uint256

type Output = Uint256

The resulting type after applying the & operator.

fn bitand(self, other: Uint256) -> Uint256

Performs the & operation.

impl BitOr for Uint256

type Output = Uint256

The resulting type after applying the | operator.

fn bitor(self, other: Uint256) -> Uint256

Performs the | operation.

impl BitXor for Uint256

type Output = Uint256

The resulting type after applying the ^ operator.

fn bitxor(self, other: Uint256) -> Uint256

Performs the ^ operation.

impl Clone for Uint256

fn clone(&self) -> Uint256

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for Uint256

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

Formats the value using the given formatter.

impl Default for Uint256

fn default() -> Self

Returns the “default value” for a type.

impl<'de> Deserialize<'de> for Uint256

fn deserialize<D: Deserializer<'de>>(deserializer: D) -> Result<Self, D::Error>

Deserialize this value from the given Serde deserializer.

impl Display for Uint256

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

Formats the value using the given formatter.

impl Div<u64> for Uint256

type Output = Uint256

The resulting type after applying the / operator.

fn div(self, other: u64) -> Uint256

Performs the / operation.

impl Div for Uint256

type Output = Uint256

The resulting type after applying the / operator.

fn div(self, other: Uint256) -> Uint256

Performs the / operation.

impl From<Uint256> for Uint320

fn from(u: Uint256) -> Self

Converts to this type from the input type.

impl From<u64> for Uint256

fn from(x: u64) -> Self

Converts to this type from the input type.

impl FromHex for Uint256

type Error = Error

fn from_hex(hex: &str) -> Result<Uint256, Self::Error>

impl Hash for Uint256

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

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 LowerHex for Uint256

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

Formats the value using the given formatter.

impl MemSizeEstimator for Uint256

fn estimate_mem_units(&self) -> usize

Estimates the number of units this object holds in memory where the unit byte size is usually a constant known to the caller as well (and hence we avoid computing it over and over)

fn estimate_size(&self, mem_mode: MemMode) -> usize

Estimates the size of this object depending on the passed mem mode

fn estimate_mem_bytes(&self) -> usize

Estimates the (deep) size of this object in bytes (including heap owned inner data)

impl Mul<u64> for Uint256

type Output = Uint256

The resulting type after applying the * operator.

fn mul(self, other: u64) -> Uint256

Performs the * operation.

impl Mul for Uint256

type Output = Uint256

The resulting type after applying the * operator.

fn mul(self, other: Uint256) -> Uint256

Performs the * operation.

impl Not for Uint256

type Output = Uint256

The resulting type after applying the ! operator.

fn not(self) -> Uint256

Performs the unary ! operation.

impl Ord for Uint256

fn cmp(&self, other: &Uint256) -> 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<u128> for Uint256

fn eq(&self, other: &u128) -> bool

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

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 PartialEq<u64> for Uint256

fn eq(&self, other: &u64) -> bool

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

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 PartialEq for Uint256

fn eq(&self, other: &Uint256) -> bool

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

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<u128> for Uint256

fn partial_cmp(&self, other: &u128) -> 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 PartialOrd<u64> for Uint256

fn partial_cmp(&self, other: &u64) -> 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 PartialOrd for Uint256

fn partial_cmp(&self, other: &Uint256) -> 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<'a> Product<&'a Uint256> for Uint256

fn product<I: Iterator<Item = &'a Self>>(iter: I) -> Self

Takes an iterator and generates Self from the elements by multiplying the items.

impl Product for Uint256

fn product<I: Iterator<Item = Self>>(iter: I) -> Self

Takes an iterator and generates Self from the elements by multiplying the items.

impl Rem<u64> for Uint256

type Output = u64

The resulting type after applying the % operator.

fn rem(self, other: u64) -> u64

Performs the % operation.

impl Rem for Uint256

type Output = Uint256

The resulting type after applying the % operator.

fn rem(self, other: Uint256) -> Uint256

Performs the % operation.

impl Serialize for Uint256

fn serialize<S: Serializer>(&self, serializer: S) -> Result<S::Ok, S::Error>

Serialize this value into the given Serde serializer.

impl Shl<u32> for Uint256

type Output = Uint256

The resulting type after applying the << operator.

fn shl(self, shift: u32) -> Uint256

Performs the << operation.

impl Shr<u32> for Uint256

type Output = Uint256

The resulting type after applying the >> operator.

fn shr(self, shift: u32) -> Uint256

Performs the >> operation.

impl Sub for Uint256

type Output = Uint256

The resulting type after applying the - operator.

fn sub(self, other: Uint256) -> Uint256

Performs the - operation.

impl<'a> Sum<&'a Uint256> for Uint256

fn sum<I: Iterator<Item = &'a Self>>(iter: I) -> Self

Takes an iterator and generates Self from the elements by “summing up” the items.

impl Sum for Uint256

fn sum<I: Iterator<Item = Self>>(iter: I) -> Self

Takes an iterator and generates Self from the elements by “summing up” the items.

impl ToHex for &Uint256

fn to_hex(&self) -> String

impl ToHex for Uint256

fn to_hex(&self) -> String

impl TryFrom<&Uint256> for BigInt

type Error = Error

The type returned in the event of a conversion error.

fn try_from(value: &Uint256) -> Result<BigInt, Self::Error>

Performs the conversion.

impl TryFrom<JsValue> for Uint256

type Error = Error

The type returned in the event of a conversion error.

fn try_from(js_value: JsValue) -> Result<Self, Self::Error>

Performs the conversion.

impl TryFrom<Uint256> for BigInt

type Error = Error

The type returned in the event of a conversion error.

fn try_from(value: Uint256) -> Result<BigInt, Self::Error>

Performs the conversion.

impl TryFrom<Uint256> for Uint192

type Error = TryFromIntError

The type returned in the event of a conversion error.

fn try_from(value: Uint256) -> Result<Self, Self::Error>

Performs the conversion.

impl TryFrom<Uint256> for u128

type Error = TryFromIntError

The type returned in the event of a conversion error.

fn try_from(value: Uint256) -> Result<Self, Self::Error>

Performs the conversion.

impl TryFrom<Uint320> for Uint256

type Error = TryFromIntError

The type returned in the event of a conversion error.

fn try_from(value: Uint320) -> Result<Self, Self::Error>

Performs the conversion.

impl Copy for Uint256

impl Eq for Uint256

impl StructuralPartialEq for Uint256