Add utility functions and tests to signed integers

sway_libs/src/signed_integers/i128.sw

@@ -19,6 +19,12 @@ impl I128 {
             lower: 0,
         }
     }
+
+    pub fn zero() -> Self {
+        Self {
+            underlying: U128::from((0, 0)),
+        }
+    }
 }
 
 impl From<U128> for I128 {
@@ -51,6 +57,28 @@ impl core::ops::Ord for I128 {
 }
 
 impl I128 {
+    pub fn ge(self, other: Self) -> bool {
+        self > other || self == other
+    }
+
+    pub fn le(self, other: Self) -> bool {
+        self < other || self == other
+    }
+
+    pub fn from_u64(value: u64) -> I128 {
+        Self {
+            underlying: U128::from((0, value)),
+        }
+    }
+
+    pub fn as_u64(self) -> u64 {
+        if self.underlying < Self::indent() {
+            revert(0)
+        } else {
+            self.underlying.as_u64().unwrap()
+        }
+    }
+
     /// The size of this type in bits.
     pub fn bits() -> u32 {
         128
@@ -169,3 +197,11 @@ impl core::ops::Subtract for I128 {
         res
     }
 }
+
+impl I128 {
+     pub fn flip(self) -> Self {
+        self * Self {
+            underlying: Self::indent() - self.underlying,
+        }
+    }
+}

tests/src/test_projects/signed_i128/tests/mod.rs

@@ -16,6 +16,8 @@ mod success {
 
         let instance = Testi128::new(wallet, path_to_bin);
 
-        let _result = instance.main().call().await;
+        let params = TxParameters::new(Some(1), Some(10000000), None);
+        let _result = instance.main().tx_params(params).call().await;
+        assert_eq!(_result.is_err(), false);
     }
 }

tests/src/test_projects/signed_i16/tests/mod.rs

@@ -16,6 +16,8 @@ mod success {
 
         let instance = Testi16::new(wallet, path_to_bin);
 
-        let _result = instance.main().call().await;
+        let params = TxParameters::new(Some(1), Some(10000000), None);
+        let _result = instance.main().tx_params(params).call().await;
+        assert_eq!(_result.is_err(), false);
     }
 }

tests/src/test_projects/signed_i256/tests/mod.rs

@@ -16,6 +16,8 @@ mod success {
 
         let instance = Testi256::new(wallet, path_to_bin);
 
-        let _result = instance.main().call().await;
+        let params = TxParameters::new(Some(1), Some(10000000), None);
+        let _result = instance.main().tx_params(params).call().await;
+        assert_eq!(_result.is_err(), false);
     }
 }

tests/src/test_projects/signed_i32/tests/mod.rs

@@ -16,6 +16,8 @@ mod success {
 
         let instance = Testi32::new(wallet, path_to_bin);
 
-        let _result = instance.main().call().await;
+        let params = TxParameters::new(Some(1), Some(10000000), None);
+        let _result = instance.main().tx_params(params).call().await;
+        assert_eq!(_result.is_err(), false);
     }
 }

tests/src/test_projects/signed_i64/tests/mod.rs

@@ -16,6 +16,8 @@ mod success {
 
         let instance = Testi64::new(wallet, path_to_bin);
 
-        let _result = instance.main().call().await;
+        let params = TxParameters::new(Some(1), Some(10000000), None);
+        let _result = instance.main().tx_params(params).call().await;
+        assert_eq!(_result.is_err(), false);
     }
 }

tests/src/test_projects/signed_i8/tests/mod.rs

@@ -13,6 +13,8 @@ mod success {
 
         let instance = Testi8::new(wallet, path_to_bin);
 
-        let _result = instance.main().call().await;
+        let params = TxParameters::new(Some(1), Some(10000000), None);
+        let _result = instance.main().tx_params(params).call().await;
+        assert_eq!(_result.is_err(), false);
     }
 }