feat: display usd values rounded to 2 decimal places; bump to 0.3.4

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "book-of-profits"
-version = "0.3.3"
+version = "0.3.4"
 edition = "2021"
 authors = ["Nuno David <[email protected]>"]
 license = "MIT"

src/repl/mod.rs

@@ -19,7 +19,10 @@ use crate::{
         Chain, ChainOps,
     },
     dexscreener,
-    utils::{retry::handle_retry_indexed, spinner::Spinner, table::Table, text::StylizedText},
+    utils::{
+        float::ExtendFloat, retry::handle_retry_indexed, spinner::Spinner, table::Table,
+        text::StylizedText,
+    },
 };
 
 static BOOK_OF_PROFITS: &str = "Book of Profits";
@@ -728,7 +731,7 @@ alias, if set.
                             balance.chain.clone(),
                             balance.token.symbol.clone(),
                             balance.token.format(&balance.balance_native).to_string(),
-                            balance.balance_usd.to_string(),
+                            balance.balance_usd.round_to_fixed_string(2),
                         ])
                     })
                     .collect::<Vec<_>>();
@@ -750,7 +753,8 @@ alias, if set.
                     relevant_balances.len(),
                     relevant_balances
                         .iter()
-                        .fold(0.0, |sum, b| sum + b.balance_usd),
+                        .fold(0.0, |sum, b| sum + b.balance_usd)
+                        .round_to_fixed_string(2),
                 );
                 Ok(())
             }

src/utils/float.rs

@@ -0,0 +1,16 @@
+#![allow(dead_code)]
+
+pub trait ExtendFloat: num_traits::Float {
+    fn round_to_fixed(&self, decimals: u8) -> Self;
+    fn round_to_fixed_string(&self, decimals: u8) -> String;
+}
+
+impl ExtendFloat for f64 {
+    fn round_to_fixed(&self, decimals: u8) -> Self {
+        let precision = 10.0_f64.powi(decimals as i32);
+        (self * precision).round() / precision
+    }
+    fn round_to_fixed_string(&self, decimals: u8) -> String {
+        format!("{:.*}", decimals as usize, self)
+    }
+}

src/utils/mod.rs

@@ -3,3 +3,4 @@ pub mod spinner;
 pub mod support_option;
 pub mod table;
 pub mod text;
+pub mod float;