Merge pull request #689 from Emurgo/evgenii/data_hash_fix

Conway fixes

package.json

@@ -1,6 +1,6 @@
 {
   "name": "cardano-serialization-lib",
-  "version": "12.0.1",
+  "version": "12.1.0",
   "description": "(De)serialization functions for the Cardano blockchain along with related utility functions",
   "scripts": {
     "rust:build-nodejs": "(rimraf ./rust/pkg && cd rust; wasm-pack build --target=nodejs; cd ..; npm run js:ts-json-gen; cd rust; wasm-pack pack) && npm run js:flowgen",

rust/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "cardano-serialization-lib"
-version = "12.0.1"
+version = "12.1.0"
 edition = "2018"
 authors = ["EMURGO"]
 license = "MIT"
@@ -13,7 +13,8 @@ exclude = [
 ]
 
 [features]
-default = []
+default = ["arbitrary-precision-json"]
+arbitrary-precision-json = ["serde_json/arbitrary_precision"]
 #TODO: need to review the features and delete legacy ones. List is defined to avoid warnings.
 property-test-api = []
 generic-serialization = []
@@ -32,7 +33,7 @@ bech32 = "0.7.2"
 hex = "0.4.0"
 cfg-if = "1"
 hashlink = "0.9.1"
-serde_json = { version = "1.0.114", features = ["arbitrary_precision"] }
+serde_json = { version = "1.0.114"}
 num-bigint = "0.4.0"
 num-integer = "0.1.45"
 # The default can't be compiled to wasm, so it's necessary to use either the 'nightly'