Add CHANGELOG and update versions for 2.1.0-rc.1

Author: MatthewLM

coinlib/CHANGELOG.md

@@ -1,3 +1,9 @@
+## 2.1.0-rc.1
+
+- Add `diffieHellman` method to `ECPrivateKey` to allow generation of ECDH
+    shared keys between two EC keys.
+- Update secp256k1 to 0.5.0
+
 ## 2.0.0
 
 Final release for 2.0.0

coinlib_flutter/CHANGELOG.md

@@ -1,3 +1,8 @@
+## 2.1.0-rc.1
+
+- Update to underlying coinlib 2.1.0-rc.1
+- Remove secp256k1 from codebase in favour of git clone for macOS and iOS
+
 ## 2.0.0
 
 Final release for 2.0.0

coinlib_flutter/example/pubspec.yaml

@@ -10,7 +10,7 @@ environment:
 dependencies:
   flutter:
     sdk: flutter
-  coinlib_flutter: ^2.0.0
+  coinlib_flutter: ^2.1.0-rc.1
   cupertino_icons: ^1.0.2
 
 dev_dependencies:

coinlib_flutter/pubspec.yaml

@@ -2,15 +2,15 @@ name: coinlib_flutter
 description:
   A flutter wrapper for coinlib, a straight-forward, modular library for
   Peercoin and other Satoshi-based UTXO blockchains
-version: 2.0.0
+version: 2.1.0-rc.1
 repository: https://github.com/peercoin/coinlib
 
 environment:
   sdk: '>=3.2.0 <4.0.0'
   flutter: ">=2.17.0"
 
 dependencies:
-  coinlib: ^2.0.0
+  coinlib: ^2.1.0-rc.1
   flutter:
     sdk: flutter
   plugin_platform_interface: ^2.0.2