From c7e4e0d4333c73deffbdff5c0ebe50e37ab5445c Mon Sep 17 00:00:00 2001
From: Georgios Konstantopoulos <me@gakonst.com>
Date: Sat, 2 Oct 2021 23:44:52 +0300
Subject: [PATCH] chore: expose I256 functions

---
 ethers-core/src/types/i256.rs | 10 +++++-----
 ethers-core/src/types/mod.rs  |  2 +-
 2 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/ethers-core/src/types/i256.rs b/ethers-core/src/types/i256.rs
index f57d84f7..940f82f6 100644
--- a/ethers-core/src/types/i256.rs
+++ b/ethers-core/src/types/i256.rs
@@ -70,7 +70,7 @@ fn handle_overflow<T>((result, overflow): (T, bool)) -> T {
 
 /// Enum to represent the sign of a 256-bit signed integer.
 #[derive(Clone, Copy, Debug, Eq, PartialEq)]
-enum Sign {
+pub enum Sign {
     /// Greater than or equal to zero.
     Positive,
     /// Less than zero.
@@ -127,7 +127,7 @@ impl I256 {
 
     /// 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.
-    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 {
             Sign::Positive => abs,
             Sign::Negative => twos_complement(abs),
@@ -137,7 +137,7 @@ impl I256 {
 
     /// Creates an I256 from an absolute value and a negative flag. Returns
     /// `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);
         if overflow {
             None
@@ -147,7 +147,7 @@ impl I256 {
     }
 
     /// 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 abs = match sign {
             Sign::Positive => self.0,
@@ -157,7 +157,7 @@ impl I256 {
     }
 
     /// Returns the sign of self.
-    fn sign(self) -> Sign {
+    pub fn sign(self) -> Sign {
         let most_significant_word = (self.0).0[3];
         match most_significant_word & (1 << 63) {
             0 => Sign::Positive,
diff --git a/ethers-core/src/types/mod.rs b/ethers-core/src/types/mod.rs
index beedbe77..16aa5223 100644
--- a/ethers-core/src/types/mod.rs
+++ b/ethers-core/src/types/mod.rs
@@ -22,7 +22,7 @@ mod path_or_string;
 pub use path_or_string::PathOrString;
 
 mod i256;
-pub use i256::I256;
+pub use i256::{Sign, I256};
 
 mod bytes;
 pub use self::bytes::Bytes;