Merge pull request crypto-org-chain#34 from macong-cdc/test-env

Problem: missing test environment

.github/workflows/test.yml

@@ -12,7 +12,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        tox_env: [py37, py38, py39]
+        tox_env: [py38, py39]
     steps:
     - name: Checkout
       uses: actions/checkout@v2

.gitignore

@@ -110,4 +110,7 @@ venv.bak/
 tester.py
 
 # vscode
-.vscode/
+.vscode/
+
+# crypto.org chain binary
+chain-maind

CHANGELOG.md

@@ -2,9 +2,11 @@
 
 This log documents all public API breaking backwards incompatible changes.
 
-## 2.2.0
+## 2.2.0 - to be released
 
-[#25](https://github.com/crypto-org-chain/chainlibpy/issues/25) Add mainnet and testnet-croeseid-4 network configurations
+[#32](https://github.com/crypto-org-chain/chainlibpy/issues/32) Add test environment\
+Require Python >= 3.8\
+[#25](https://github.com/crypto-org-chain/chainlibpy/issues/25) Add mainnet and testnet-croeseid-4 network configurations\
 [#24](https://github.com/crypto-org-chain/chainlibpy/pull/24) Fix unable to use secure gRPC channel to interact with chain
 
 *Dec 7, 2021*

README.md

@@ -125,13 +125,13 @@ $COSMOS_SDK_DIR/proto/cosmos/auth/v1beta1/auth.proto
 ### Tox<a name="tox"></a>
 
 ```
-pyenv local 3.7.a 3.8.b 3.9.c
+pyenv local 3.8.a 3.9.b
 ```
 
-`a`, `b` and `c` is python versions installed on your computer by `pyenv`. More about [pyenv](https://github.com/pyenv/pyenv).
+`a` and `b` are python versions installed on your computer by `pyenv`. More about [pyenv](https://github.com/pyenv/pyenv).
 
-After this command, a `.python-version` file will be generated at project root directory, which means python versions inside `.python-version` are presented for this project. So running `tox` command with `py{37,38,39}` configuration should succeed.\
-Then run to verify. This command is recommended to run before pushing a commit.
+After this command, a `.python-version` file will be generated at project root directory, which means python versions inside `.python-version` are presented for this project. So running `tox` command with `py{38,39}` configuration should succeed.\
+Then run to verify. Command below is recommended to run before pushing a commit.
 
 ```sh
 poetry run tox