Add playbook to setup cosmos multisig app (#6)

Part of https://www.notion.so/Create-stacks-for-mainnet-1f2a6b22d4728034be4be2c51decf94e

Co-authored-by: IshaVenikar <ishavenikar7@gmail.com>
Reviewed-on: #6
Co-authored-by: ishavenikar <ishavenikar@noreply.git.vdb.to>
Co-committed-by: ishavenikar <ishavenikar@noreply.git.vdb.to>

docs/demo.md

@@ -188,6 +188,8 @@
   laconic-so deployment --dir $DATA_DIRECTORY/$MAINNET_DEPLOYMENT_DIR logs laconicd -f
   ```
 
+  - The chain will start running after some time.
+
 - Verify that validator and TMKMS pubkeys match
 
   - Get validator pubkey on chain
@@ -379,6 +381,113 @@
   rm $DATA_DIRECTORY/$MAINNET_DEPLOYMENT_DIR/data/laconicd-data/config/priv_validator_key.json
   ```
 
+- Copy the example variables file for cosmos-multisig app playbook:
+
+  ```bash
+  cp ~/cerc/laconicd-stack/playbooks/cosmos-multisig-app/cosmos-multisig-vars.example.yml ~/cerc/laconicd-stack/playbooks/cosmos-multisig-app/cosmos-multisig-vars.yml
+  ```
+
+  - Update env values in `cosmos-multisig-vars.yml` withyour node RPC URL
+
+    ```bash
+    next_public_node_addresses: '["http://localhost:26657"]'
+    node_rest_endpoint: 'http://localhost:1317'
+    next_public_is_http_enabled: true
+    ```
+
+- Set envs:
+
+  ```bash
+  # Set multisig app deployment directory
+  export MULTISIG_DEPLOYMENT_DIR=cosmos-multisig-deployment
+  # Set path to custom network JSON file
+  export NETWORK_JSON_PATH=~/cerc/laconicd-stack/config/network.json
+
+  # Set network mode to host so that browser app and backend can use the same node localhost RPC URL
+  export USE_HOST_NETWORK=host
+
+  # Set local host URL for dgraph server
+  export DGRAPH_URL=http://localhost:8080/graphql
+  ```
+
+- Run playbook to setup cosmos multisig app
+
+  ```bash
+  ansible-playbook -v -i localhost, -c local ~/cerc/laconicd-stack/playbooks/cosmos-multisig-app/cosmos-multisig-app-start.yml
+  ```
+
+- Check logs to ensure that the app is running:
+
+  ```bash
+  laconic-so deployment --dir $DATA_DIRECTORY/$MULTISIG_DEPLOYMENT_DIR logs -f
+  ```
+
+- The app will be running on `http://localhost:3000/laconic`
+
+### Create a multisig with both the validator accounts
+
+- On opening the app, a prompt will be shown to add laconic network to you keplr wallet. Click on `Approve`
+
+- Go to home and click on `I don't have a multisig`
+
+- Add the addresses of your validators as member 1 and member 2
+
+- Set the threshold to 2 out of 2 members (Both the validators should sign the TX to broadcast it)
+
+- Click on `Submit` and `Create multisig`
+
+- Copy your multisig address and send some funds to the address
+
+  ```
+  laconic-so deployment --dir $DATA_DIRECTORY/$MAINNET_DEPLOYMENT_DIR exec laconicd "laconicd tx bank send validator-2 <multisig_address> 1000000alnt --fees 2000alnt --keyring-backend test"
+  ```
+
+### Create and sign transaction
+
+- Add accounts in keplr wallet for signing the transaction
+
+  - Open keplr wallet and click on the user icon in the top right corner
+
+  - Click on `Add wallet`, then select `Import an existing wallet` and go to `Use recovery phrase or private key`
+
+  - Select the `Private key` tab and then paste the private key of the validator account and click on import
+
+  - Set a name for the wallet (used when connecting wallet to app for signing transaction) and click on next
+
+  - Search for `Laconic network` and select it, then click on `Save`
+
+  - Follow the above steps for the second validator account
+
+- Go to `home`, paste your multisig address and click on `Use this multisig`
+
+- You will see the multisig members and holdings for the address
+
+- Click on `Create new transaction` and then click on `Bank Send` under `Add New Msg`
+
+- Enter the recipient address ( Eg: `laconic1n4wa366kh0zxndwyq3kkse9ulz9jv9xukx3hy4`), amount to be transfered and memo (optional)
+
+- Click on create transaction
+
+- Go back to the multisig info page and scroll down to the `Transactions` section
+
+- Click on `Verify identity` and connect the app to your validator account in the keplr wallet
+
+- After approving the connection, you will see the list of transactions created by your multisig
+
+- Click on your transaction and under `Choose wallet to sign`, click on connect keplr
+
+- After connecting the wallet, click on `Sign transaction` and approve the transaction
+
+- Go back to multisig info page, switch to the second validator account in keplr wallet and repeat the same process to sign the transaction with the second validator account
+
+- Once the transaction is signed by both the validators, click on `Broadcast Transaction`.
+
+- Confirm funds transfer by checking balance of recipient address
+
+  ```bash
+  laconic-so deployment --dir $DATA_DIRECTORY/$MAINNET_DEPLOYMENT_DIR exec laconicd "laconicd query bank balances laconic1n4wa366kh0zxndwyq3kkse9ulz9jv9xukx3hy4"
+  ```
+
 ## Cleanup
 
 - Remove deployments and other config files