fix(BigInt): use base64 for byte encoding

Author: Ro6afF

Cargo.toml

@@ -12,11 +12,11 @@ keywords = ["debugging", "development-tools"]
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
+base64 = "0.22.1"
 num-traits = "0.2"
 num-derive = "0.4"
 serde = { version = "1.0", features = ["derive"] }
 serde_json = "1.0"
-serde_bytes = "0.11.17"
 serde_repr = "0.1"
 
 [lib]

src/base64.rs

@@ -0,0 +1,13 @@
+use base64::Engine;
+use serde::{Deserialize, Serialize};
+use serde::{Deserializer, Serializer};
+
+pub fn serialize<S: Serializer>(v: &Vec<u8>, s: S) -> Result<S::Ok, S::Error> {
+    let base64 = base64::engine::general_purpose::STANDARD.encode(v);
+    String::serialize(&base64, s)
+}
+
+pub fn deserialize<'de, D: Deserializer<'de>>(d: D) -> Result<Vec<u8>, D::Error> {
+    let base64 = String::deserialize(d)?;
+    base64::engine::general_purpose::STANDARD.decode(base64.as_bytes()).map_err(serde::de::Error::custom)
+}

src/lib.rs

@@ -10,6 +10,7 @@
 //! The format is documented in `docs/` and the README.
 mod tracer;
 mod types;
+mod base64;
 pub use crate::tracer::{Tracer, NONE_TYPE_ID, NONE_VALUE};
 pub use crate::types::*;
 

src/types.rs

@@ -9,6 +9,7 @@ use std::path::PathBuf;
 use num_derive::FromPrimitive;
 use serde::{Deserialize, Serialize};
 use serde_repr::*;
+use crate::base64;
 
 // currently, we do assume that we record the whole program
 // so, we try to include minimal amount of data,
@@ -387,7 +388,7 @@ pub enum ValueRecord {
         place: Place,
     },
     BigInt {
-        #[serde(with = "serde_bytes")]
+        #[serde(with = "base64")]
         b: Vec<u8>, // Base64 encoded bytes of a big-endian unsigned integer
         negative: bool,
         type_id: TypeId,