LumeWeb
/
ethers-rs
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

chore: expose I256 functions

This commit is contained in:
Georgios Konstantopoulos 2021-10-02 23:44:52 +03:00
parent 1f17788133
commit c7e4e0d433
2 changed files with 6 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
ethers-core/src/types/i256.rs
View File

@ -70,7 +70,7 @@ fn handle_overflow<T>((result, overflow): (T, bool)) -> T {
/// Enum to represent the sign of a 256-bit signed integer. /// Enum to represent the sign of a 256-bit signed integer.
#[derive(Clone, Copy, Debug, Eq, PartialEq)] #[derive(Clone, Copy, Debug, Eq, PartialEq)]
enum Sign { pub enum Sign {
/// Greater than or equal to zero. /// Greater than or equal to zero.
Positive, Positive,
/// Less than zero. /// Less than zero.
@ -127,7 +127,7 @@ impl I256 {
/// Creates an I256 from a sign and an absolute value. Returns the value and /// Creates an I256 from a sign and an absolute value. Returns the value and
/// a bool that is true if the conversion caused an overflow. /// a bool that is true if the conversion caused an overflow.
fn overflowing_from_sign_and_abs(sign: Sign, abs: U256) -> (Self, bool) { pub fn overflowing_from_sign_and_abs(sign: Sign, abs: U256) -> (Self, bool) {
let value = I256(match sign { let value = I256(match sign {
Sign::Positive => abs, Sign::Positive => abs,
Sign::Negative => twos_complement(abs), Sign::Negative => twos_complement(abs),
@ -137,7 +137,7 @@ impl I256 {
/// Creates an I256 from an absolute value and a negative flag. Returns /// Creates an I256 from an absolute value and a negative flag. Returns
/// `None` if it would overflow an `I256`. /// `None` if it would overflow an `I256`.
fn checked_from_sign_and_abs(sign: Sign, abs: U256) -> Option<Self> { pub fn checked_from_sign_and_abs(sign: Sign, abs: U256) -> Option<Self> {
let (result, overflow) = I256::overflowing_from_sign_and_abs(sign, abs); let (result, overflow) = I256::overflowing_from_sign_and_abs(sign, abs);
if overflow { if overflow {
None None
@ -147,7 +147,7 @@ impl I256 {
} }
/// Splits a I256 into its absolute value and negative flag. /// Splits a I256 into its absolute value and negative flag.
fn into_sign_and_abs(self) -> (Sign, U256) { pub fn into_sign_and_abs(self) -> (Sign, U256) {
let sign = self.sign(); let sign = self.sign();
let abs = match sign { let abs = match sign {
Sign::Positive => self.0, Sign::Positive => self.0,
@ -157,7 +157,7 @@ impl I256 {
} }
/// Returns the sign of self. /// Returns the sign of self.
fn sign(self) -> Sign { pub fn sign(self) -> Sign {
let most_significant_word = (self.0).0[3]; let most_significant_word = (self.0).0[3];
match most_significant_word & (1 << 63) { match most_significant_word & (1 << 63) {
0 => Sign::Positive, 0 => Sign::Positive,

2
ethers-core/src/types/mod.rs
View File

@ -22,7 +22,7 @@ mod path_or_string;
pub use path_or_string::PathOrString; pub use path_or_string::PathOrString;
mod i256; mod i256;
pub use i256::I256; pub use i256::{Sign, I256};
mod bytes; mod bytes;
pub use self::bytes::Bytes; pub use self::bytes::Bytes;