feat: v1.19.3 upgrade guide

CHANGELOG.md

@@ -94,3 +94,12 @@ Ref: https://keepachangelog.com/en/1.0.0/
 ### Bug Fixes
 
 - Fix slow websocket blocktimes due to slow db queries
+
+## [v1.19.0](https://github.com/Switcheo/tradehub/releases/tag/v1.19.0) - 2021-08-12
+### Improvements
+- Allow adjusting of lotsize and ticksize through update market
+- Optimise msg_types db queries
+
+### Bug Fixes
+- Fix insufficient order margin for some orders in the order book
+- Fix adl module ranking short positions incorrectly

upgrade/v1.19.3.md

@@ -0,0 +1,31 @@
+# MainNet v1.19.x -> v1.19.3 Upgrade Instructions
+
+The following instructions will allow patch your node from v1.19.x to v1.19.3. The binaries must be placed in `~/.switcheod/cosmovisor/upgrades/v1.19.0` directory so that cosmovisor will start with the right binaries.
+
+**:exclamation: Run these steps in sequence, do not skip any steps! :exclamation:**
+
+1. Download and upgrade using the v1.19.3 release bundle.
+
+    The [v1.19.3 release bundle](https://github.com/Switcheo/tradehub/releases/tag/v1.19.3) contains v1.19.3 binaries.
+
+    We will be placing v1.19.3 binaries (`switcheod` / `switcheocli`) in the `cosmovisor/upgrades/v1.19.0` directory. Cosmovisor will switch to the right binary during the upgrade block height.
+
+    ```bash
+    curl -L https://github.com/Switcheo/tradehub/releases/download/v1.19.3/install-mainnet.tar.gz | tar -xz
+    cd install-mainnet && sudo ./install.sh && cd - && rm -rf install-mainnet
+
+    switcheoctl stop
+
+    # place v1.19.3 binaries into upgrades/v1.19.0 directory
+    sudo cp /etc/switcheoctl/bin/switcheod ~/.switcheod/cosmovisor/upgrades/v1.19.0/bin
+    sudo cp /etc/switcheoctl/bin/switcheocli ~/.switcheod/cosmovisor/upgrades/v1.19.0/bin
+
+    # ensure that you have installed the right binary, do not proceed if it's different.
+    openssl sha256 ~/.switcheod/cosmovisor/upgrades/v1.19.0/bin/switcheod
+    # a34985cc645559590a92ba749e58fc18696312a95216ccf6369f4040c4cb3877
+
+    # sentry node, non-validator node or
+    switcheoctl start -n
+    # validator node
+    switcheoctl start
+    ```