refactor: remove Fraction type and use fraction crate

sdk/rust/Cargo.toml

@@ -18,7 +18,7 @@ serde = { version = "1.0.137", features = ["derive"] }
 thiserror = "1.0.31"
 time = { version = "0.3.9", features = ["serde"] }
 tokio = { version = "1.18.1", features = ["rt-multi-thread"] }
-hedera-proto = { path = "./protobufs", features = ["serde", "time_0_3"] }
+hedera-proto = { path = "./protobufs", features = ["serde", "time_0_3", "fraction"] }
 serde_json = "1.0.79"
 serde_with = { version = "1.12.1", features = ["hex", "base64", "time_0_3"] }
 tonic = { version = "0.7.1", features = ["compression"] }
@@ -40,6 +40,7 @@ k256 = "0.11.0"
 pkcs8 = "0.9.0"
 async-stream = "0.3.3"
 futures-core = "0.3.21"
+fraction = { version = "0.10.0", features = ["with-serde-support"] }
 
 [dev-dependencies]
 anyhow = "1.0.57"

sdk/rust/protobufs/Cargo.toml

@@ -15,6 +15,7 @@ serde = { version = "1.0.136", features = [ "derive" ], optional = true }
 chrono_0_4 = { version = "0.4.19", optional = true, package = "chrono" }
 time_0_2 = { version = "0.2.27", optional = true, package = "time" }
 time_0_3 = { version = "0.3.9", optional = true, package = "time" }
+fraction = { version = "0.10.0", optional = true }
 
 [build-dependencies]
 anyhow = "1.0.55"

sdk/rust/protobufs/src/fraction.rs

@@ -0,0 +1,16 @@
+use fraction::Fraction;
+
+impl From<super::services::Fraction> for Fraction {
+    fn from(pb: super::services::Fraction) -> Self {
+        Fraction::new(pb.numerator as u64, pb.denominator as u64)
+    }
+}
+
+impl From<Fraction> for super::services::Fraction {
+    fn from(frac: Fraction) -> Self {
+        Self {
+            numerator: frac.numer().copied().unwrap_or_default() as i64,
+            denominator: frac.denom().copied().unwrap_or_default() as i64,
+        }
+    }
+}

sdk/rust/protobufs/src/lib.rs

@@ -10,6 +10,9 @@ mod time_0_2;
 #[cfg(feature = "time_0_3")]
 mod time_0_3;
 
+#[cfg(feature = "fraction")]
+mod fraction;
+
 pub mod services {
     tonic::include_proto!("proto");
 }

sdk/rust/src/lib.rs

@@ -21,7 +21,6 @@ mod entity_id;
 mod error;
 mod execute;
 mod file;
-mod fraction;
 mod key;
 mod mirror_query;
 mod node_address;