Update CHANGELOG (#563)

CHANGELOG.md

@@ -1,28 +1,50 @@
+# 2.0.0 (2022-06-14)
+
+2.0.0 is a refactored ckb-java-sdk release and brings plenty of BREAKING CHANGES compared with `v1.0.*` and the earlier releases.
+
+Breaking changes related with user interfaces
+
+- Type or name change of quite a few fields in RPC type representation.
+- Unified address representation and operation.
+- Transaction signing mechanism by `ScriptGroup`, `ScriptSigner`, and `TransactionSigner`.
+- `TransactionBuilder` and `ScriptHandler` for transaction construction by manual.
+- Operation support for most common scripts.
+- Clean some utils classes and unused classes.
+
+Underlying breaking changes that less likely need users' changes
+
+- Molecule serialization in a code-generated way.
+- Unify type adapter for Gson serialization.
+- More robust test.
+
+Check [migration-guide.md](./docs/migration-guide.md) for more details.
+
 # 1.0.0 (2022-03-17)
 
-## Breaking Changes
-
+## Breaking Changes
+
 - feat: Replace Record Id with Outpoint (#534)
+
 # 0.101.3 (2022-01-21)
 
-## 🚀 Features
-
-- feat: support pw lock signature (#525)
+## 🚀 Features
+
+- feat: support pw lock signature (#525)
 - feat: support mercury get\_sync\_state RPC API (#522)
 # 0.101.2 (2021-12-16)
 
-## 🚀 Features
-
-- feat: add method for legacy address conversion (#514) @fjchen7
-
-## 🐛 Bug Fixes
-
-- fix: improve address validation (#515) @fjchen7
-- fix: fix PR labler not permission (#516) @fjchen7
-
-## 🧰 Maintenance
-
-- chore: fix release github action (#513) @fjchen7
+## 🚀 Features
+
+- feat: add method for legacy address conversion (#514) @fjchen7
+
+## 🐛 Bug Fixes
+
+- fix: improve address validation (#515) @fjchen7
+- fix: fix PR labler not permission (#516) @fjchen7
+
+## 🧰 Maintenance
+
+- chore: fix release github action (#513) @fjchen7
 
 ## 0.101.1 (2021-12-01)
 

docs/migration-guide.md

@@ -9,7 +9,7 @@ The breaking changes include
 - Operation support for most common scripts.
 - Clean some utils classes and unused classes.
 
-Other underlying breaking changes that a possibly transparent to you
+Other underlying breaking changes that are possibly transparent to you
 
 - Molecule serialization in a code-generated way.
 - Unify type adapter for Gson serialization.