Serde serialization improvements

Author: szg251

plutus-ledger-api/CHANGELOG.md

@@ -5,6 +5,16 @@
 This changelog is based on [Keep A
 Changelog](https://keepachangelog.com/en/1.1.0).
 
+## 4.0.0
+
+### Changed
+
+- `serde` serialization format improvements:
+  - all byte strings are formatted as hex strings
+  - Addresses are formatted using bech32, if supplemented with network id
+  - CurrencySymbols are formatted as hex if native tokens or as the `lovelace`
+    string
+
 ## 3.1.0
 
 ### Added

plutus-ledger-api/Cargo.lock

@@ -14,7 +14,6 @@ lbr-prelude = { version = "0.1.3", optional = true }
 serde_json = { version = "1.0.145", optional = true }
 num-bigint = "~0.4"
 serde = { version = "^1.0.228", features = ["derive"], optional = true }
-data-encoding = "^2.9.0"
 thiserror = "^1.0.69"
 linked-hash-map = "~0.5.6"
 num-traits = "~0.2.19"
@@ -24,10 +23,18 @@ cardano-serialization-lib = "15.0.1"
 is-plutus-data-derive = { version = "1.0.0", path = ".extras/is-plutus-data-derive-0" }
 anyhow = "1.0.100"
 nom = "7.1.3"
+serde_with = { version = "3.15.0", optional = true }
+hex = "0.4.3"
 
 [features]
 default = []
-serde = ["dep:serde", "num-bigint/serde", "dep:serde_json"]
+serde = [
+  "dep:serde",
+  "num-bigint/serde",
+  "dep:serde_json",
+  "dep:serde_with",
+  "hex/serde",
+]
 lbf = ["dep:lbr-prelude", "dep:serde_json"]
 chrono = ["dep:chrono"]