Fix numbers printing (#12504)

* fix: print uint as they are

* fix: adjust only negative int

* test: check that formatting is correct for uint and int of any size

Author: e1Ru1o

crates/chisel/src/executor.rs

@@ -249,10 +249,8 @@ fn format_token(token: DynSolValue) -> String {
                 format!(
                     "0x{}",
                     format!("{i:x}")
-                        .char_indices()
-                        .skip(64 - bit_len / 4)
-                        .take(bit_len / 4)
-                        .map(|(_, c)| c)
+                        .chars()
+                        .skip(if i.is_negative() { 64 - bit_len / 4 } else { 0 })
                         .collect::<String>()
                 )
                 .cyan(),
@@ -264,16 +262,7 @@ fn format_token(token: DynSolValue) -> String {
             format!(
                 "Type: {}\n├ Hex: {}\n├ Hex (full word): {}\n└ Decimal: {}",
                 format!("uint{bit_len}").red(),
-                format!(
-                    "0x{}",
-                    format!("{i:x}")
-                        .char_indices()
-                        .skip(64 - bit_len / 4)
-                        .take(bit_len / 4)
-                        .map(|(_, c)| c)
-                        .collect::<String>()
-                )
-                .cyan(),
+                format!("0x{i:x}").cyan(),
                 hex::encode_prefixed(B256::from(i)).cyan(),
                 i.cyan()
             )

crates/chisel/tests/it/repl/mod.rs

@@ -223,3 +223,32 @@ repl_test!(test_full_word_hex_formatting, |repl| {
         "Hex (full word): 0x0a6b316b47a0cd26c1b582ae3dcffbd175283c221c3cb3d1c614e3e47f62a700",
     );
 });
+
+// Test that uint is printed properly with any size.
+repl_test!(test_uint_formatting, |repl| {
+    for size in (8..=256).step_by(8) {
+        repl.sendln(&format!("type(uint{size}).max"));
+        repl.expect(&format!("Hex: 0x{}", "f".repeat(size / 4)));
+
+        repl.sendln(&format!("uint{size}(2)"));
+        repl.expect("Hex: 0x2");
+    }
+});
+
+// Test that int is printed properly with any size.
+repl_test!(test_int_formatting, |repl| {
+    for size in (8..=256).step_by(8) {
+        let size_minus_1: usize = size / 4 - 1;
+        repl.sendln(&format!("type(int{size}).max"));
+        repl.expect(&format!("Hex: 0x7{}", "f".repeat(size_minus_1)));
+
+        repl.sendln(&format!("int{size}(2)"));
+        repl.expect("Hex: 0x2");
+
+        repl.sendln(&format!("type(int{size}).min"));
+        repl.expect(&format!("Hex: 0x8{}", "0".repeat(size_minus_1)));
+
+        repl.sendln(&format!("int{size}(-2)"));
+        repl.expect(&format!("Hex: 0x{}e", "f".repeat(size_minus_1)));
+    }
+});