README: enforcing 80 characters limits for readibility

README.md

@@ -1,48 +1,70 @@
 # ledger-app-mina
 
 ## Overview
+
 This is the Mina app for the Ledger Nano S and Nano X hardware wallet.
 
 ## Building and installing
-To build and install the app on your Ledger Nano you must set up the Ledger Nano build environments. Please follow the Getting Started instructions at [here](https://ledger.readthedocs.io/en/latest/userspace/getting_started.html).
+
+To build and install the app on your Ledger Nano you must set up the Ledger Nano
+build environments. Please follow the Getting Started instructions at
+[here](https://ledger.readthedocs.io/en/latest/userspace/getting_started.html).
 
 ### With a terminal
 
-The [ledger-app-dev-tools](https://github.com/LedgerHQ/ledger-app-builder/pkgs/container/ledger-app-builder%2Fledger-app-dev-tools) docker image contains all the required tools and libraries to **build**, **test** and **load** an application.
+The
+[ledger-app-dev-tools](https://github.com/LedgerHQ/ledger-app-builder/pkgs/container/ledger-app-builder%2Fledger-app-dev-tools)
+docker image contains all the required tools and libraries to **build**,
+**test** and **load** an application.
 
 You can download it from the ghcr.io docker repository:
 
 ```shell
 sudo docker pull ghcr.io/ledgerhq/ledger-app-builder/ledger-app-dev-tools:latest
 ```
 
-You can then enter this development environment by executing the following command from the directory of the application `git` repository:
+You can then enter this development environment by executing the following
+command from the directory of the application `git` repository:
 
 **Linux (Ubuntu)**
 
 ```shell
-sudo docker run --rm -ti --user "$(id -u):$(id -g)" --privileged -v "/dev/bus/usb:/dev/bus/usb" -v "$(realpath .):/app" ghcr.io/ledgerhq/ledger-app-builder/ledger-app-dev-tools:latest
+sudo docker run --rm -ti \
+  --user "$(id -u):$(id -g)" \
+  --privileged -v "/dev/bus/usb:/dev/bus/usb" \
+  -v "$(realpath .):/app" \
+  ghcr.io/ledgerhq/ledger-app-builder/ledger-app-dev-tools:latest
 ```
 
 **macOS**
 
 ```shell
-sudo docker run  --rm -ti --user "$(id -u):$(id -g)" --privileged -v "$(pwd -P):/app" ghcr.io/ledgerhq/ledger-app-builder/ledger-app-dev-tools:latest
+sudo docker run  --rm -ti \
+  --user "$(id -u):$(id -g)" \
+  --privileged -v "$(pwd -P):/app" \
+  ghcr.io/ledgerhq/ledger-app-builder/ledger-app-dev-tools:latest
 ```
 
 **Windows (with PowerShell)**
 
 ```shell
-docker run --rm -ti --privileged -v "$(Get-Location):/app" ghcr.io/ledgerhq/ledger-app-builder/ledger-app-dev-tools:latest
+docker run --rm -ti \
+  --privileged \
+  -v "$(Get-Location):/app" \
+  ghcr.io/ledgerhq/ledger-app-builder/ledger-app-dev-tools:latest
 ```
 
-The application's code will be available from inside the docker container, you can proceed to the following compilation steps to build your app.
+The application's code will be available from inside the docker container, you
+can proceed to the following compilation steps to build your app.
 
 ## Compilation and load
 
-To easily setup a development environment for compilation and loading on a physical device, you can use the [VSCode integration](#with-vscode) whether you are on Linux, macOS or Windows.
+To easily setup a development environment for compilation and loading on a
+physical device, you can use the [VSCode integration](#with-vscode) whether you
+are on Linux, macOS or Windows.
 
-If you prefer using a terminal to perform the steps manually, you can use the guide below.
+If you prefer using a terminal to perform the steps manually, you can use the
+guide below.
 
 ### Compilation
 
@@ -54,7 +76,8 @@ From inside the container, use the following command to build the app :
 make DEBUG=1  # compile optionally with PRINTF
 ```
 
-You can choose which device to compile and load for by setting the `BOLOS_SDK` environment variable to the following values :
+You can choose which device to compile and load for by setting the `BOLOS_SDK`
+environment variable to the following values:
 
 * `BOLOS_SDK=$NANOS_SDK`
 * `BOLOS_SDK=$NANOX_SDK`
@@ -68,37 +91,43 @@ By default this variable is set to build/load for Nano S.
 
 This step will vary slightly depending on your platform.
 
-:information_source: Your physical device must be connected, unlocked and the screen showing the dashboard (not inside an application).
+:information_source: Your physical device must be connected, unlocked and the
+screen showing the dashboard (not inside an application).
 
 **Linux (Ubuntu)**
 
-First make sure you have the proper udev rules added on your host :
+First make sure you have the proper udev rules added on your host:
 
 ```shell
 # Run these commands on your host, from the app's source folder.
 sudo cp .vscode/20-ledger.ledgerblue.rules /etc/udev/rules.d/
-sudo udevadm control --reload-rules 
+sudo udevadm control --reload-rules
 sudo udevadm trigger
 ```
 
-Then once you have [opened a terminal](#with-a-terminal) in the `app-builder` image and [built the app](#compilation-and-load) for the device you want, run the following command :
+Then once you have [opened a terminal](#with-a-terminal) in the `app-builder`
+image and [built the app](#compilation-and-load) for the device you want, run
+the following command:
 
 ```shell
 # Run this command from the app-builder container terminal.
 make load    # load the app on a Nano S by default
 ```
 
-[Setting the BOLOS_SDK environment variable](#compilation-and-load) will allow you to load on whichever supported device you want.
+[Setting the BOLOS_SDK environment variable](#compilation-and-load) will allow
+you to load on whichever supported device you want.
 
 **macOS / Windows (with PowerShell)**
 
-:information_source: It is assumed you have [Python](https://www.python.org/downloads/) installed on your computer.
+:information_source: It is assumed you have
+[Python](https://www.python.org/downloads/) installed on your computer.
 
-Run these commands on your host from the app's source folder once you have [built the app](#compilation-and-load) for the device you want :
+Run these commands on your host from the app's source folder once you have
+[built the app](#compilation-and-load) for the device you want:
 
 ```shell
 # Install Python virtualenv
-python3 -m pip install virtualenv 
+python3 -m pip install virtualenv
 # Create the 'ledger' virtualenv
 python3 -m virtualenv ledger
 ```
@@ -110,7 +139,7 @@ Enter the Python virtual environment
 
 ```shell
 # Install Ledgerblue (tool to load the app)
-python3 -m pip install ledgerblue 
+python3 -m pip install ledgerblue
 # Load the app.
 python3 -m ledgerblue.runScript --scp --fileName bin/app.apdu --elfFile bin/app.elf
 `````
@@ -124,7 +153,7 @@ The Mina app comes with functional tests implemented with Ledger's [Ragger](http
 Install the tests requirements :
 
 ```shell
-pip install -r tests/requirements.txt 
+pip install -r tests/requirements.txt
 ```
 
 Then you can :
@@ -177,7 +206,9 @@ Continue? (y/N) y
 Generating address (please confirm on Ledger device)... done
 Received address: B62qicipYxyEHu7QjUqS7QvBipTs5CzgkYZZZkPoKVYBu6tnDUcE9Zt
 ```
-This generates the keypair corresponding to hardware wallet account 1 (BIP44 account `44'/12586'/1'/0/0`) and returns the corresponding Mina address.
+
+This generates the keypair corresponding to hardware wallet account 1 (BIP44
+account `44'/12586'/1'/0/0`) and returns the corresponding Mina address.
 
 **Get balance**
 
@@ -189,23 +220,31 @@ Getting account balance... done
 Address: B62qicipYxyEHu7QjUqS7QvBipTs5CzgkYZZZkPoKVYBu6tnDUcE9Zt
 Balance: 9792.0
 ```
-This queries the Mina blockchain for the balance of address `B62qicipYxyEHu7QjUqS7QvBipTs5CzgkYZZZkPoKVYBu6tnDUcE9Zt`.
+
+This queries the Mina blockchain for the balance of address
+`B62qicipYxyEHu7QjUqS7QvBipTs5CzgkYZZZkPoKVYBu6tnDUcE9Zt`.
 
 **Send payment**
 
 ```bash
 $ ./utils/mina_ledger_wallet.py send-payment 1 B62qicipYxyEHu7QjUqS7QvBipTs5CzgkYZZZkPoKVYBu6tnDUcE9Zt B62qrPN5Y5yq8kGE3FbVKbGTdTAJNdtNtB5sNVpxyRwWGcDEhpMzc8g 2.71821
 ```
 
-This sends a payment of 2.71821 Mina from hardware wallet account 1 (`B62qicipYxyEHu7QjUqS7QvBipTs5CzgkYZZZkPoKVYBu6tnDUcE9Zt`) to recipient `B62qrPN5Y5yq8kGE3FbVKbGTdTAJNdtNtB5sNVpxyRwWGcDEhpMzc8g`.
+This sends a payment of 2.71821 Mina from hardware wallet account 1
+(`B62qicipYxyEHu7QjUqS7QvBipTs5CzgkYZZZkPoKVYBu6tnDUcE9Zt`) to recipient
+`B62qrPN5Y5yq8kGE3FbVKbGTdTAJNdtNtB5sNVpxyRwWGcDEhpMzc8g`.
 
 **Delegate**
 
 ```bash
 $ ./utils/mina_ledger_wallet.py delegate 1 B62qicipYxyEHu7QjUqS7QvBipTs5CzgkYZZZkPoKVYBu6tnDUcE9Zt B62qrPN5Y5yq8kGE3FbVKbGTdTAJNdtNtB5sNVpxyRwWGcDEhpMzc8g --memo "Delegation is fun!"
 ```
 
-This delegates the entire balance of hardware wallet account 1 (`B62qicipYxyEHu7QjUqS7QvBipTs5CzgkYZZZkPoKVYBu6tnDUcE9Zt`) to delegate `B62qrPN5Y5yq8kGE3FbVKbGTdTAJNdtNtB5sNVpxyRwWGcDEhpMzc8g`.
+This delegates the entire balance of hardware wallet account 1
+(`B62qicipYxyEHu7QjUqS7QvBipTs5CzgkYZZZkPoKVYBu6tnDUcE9Zt`) to delegate
+`B62qrPN5Y5yq8kGE3FbVKbGTdTAJNdtNtB5sNVpxyRwWGcDEhpMzc8g`.
 
 ## Documentation
-This follows the specification available in the [`api.asc`](https://github.com/LedgerHQ/ledger-app-boilerplate/blob/master/doc/api.asc).
+
+This follows the specification available in the
+[`api.asc`](https://github.com/LedgerHQ/ledger-app-boilerplate/blob/master/doc/api.asc).