ethereum · CarlBeek · Mar 14, 2023 · Jan 4, 2023 · Jan 6, 2023 · Jan 15, 2023
diff --git a/.circleci/config.yml b/.circleci/config.yml
@@ -30,12 +30,12 @@ jobs:
     steps:
       - checkout
       - restore_cache:
-          key: venv-deps2-{{ arch }}-{{ .Branch }}-{{ checksum "requirements.txt" }}-{{ checksum "requirements_test.txt" }}-{{ checksum "setup.py" }}-{{ checksum "Makefile" }}-v2
+          key: venv-deps2-{{ arch }}-{{ .Branch }}-{{ checksum "requirements.txt" }}-{{ checksum "requirements_test.txt" }}-{{ checksum "setup.py" }}-{{ checksum "Makefile" }}-v3
       - run:
           name: Install requirements in venv
           command: make venv_build_test
       - save_cache:
-          key: venv-deps2-{{ arch }}-{{ .Branch }}-{{ checksum "requirements.txt" }}-{{ checksum "requirements_test.txt" }}-{{ checksum "setup.py" }}-{{ checksum "Makefile" }}-v2
+          key: venv-deps2-{{ arch }}-{{ .Branch }}-{{ checksum "requirements.txt" }}-{{ checksum "requirements_test.txt" }}-{{ checksum "setup.py" }}-{{ checksum "Makefile" }}-v3
           paths:
             - ./venv
   venv_pytest:
@@ -45,7 +45,7 @@ jobs:
     steps:
       - checkout
       - restore_cache:
-          key: venv-deps2-{{ arch }}-{{ .Branch }}-{{ checksum "requirements.txt" }}-{{ checksum "requirements_test.txt" }}-{{ checksum "setup.py" }}-{{ checksum "Makefile" }}-v2
+          key: venv-deps2-{{ arch }}-{{ .Branch }}-{{ checksum "requirements.txt" }}-{{ checksum "requirements_test.txt" }}-{{ checksum "setup.py" }}-{{ checksum "Makefile" }}-v3
       - run:
           name: Run tests with venv
           command: make venv_test
@@ -61,7 +61,7 @@ jobs:
     steps:
       - checkout
       - restore_cache:
-          key: venv-deps2-{{ arch }}-{{ .Branch }}-{{ checksum "requirements.txt" }}-{{ checksum "requirements_test.txt" }}-{{ checksum "setup.py" }}-{{ checksum "Makefile" }}-v2
+          key: venv-deps2-{{ arch }}-{{ .Branch }}-{{ checksum "requirements.txt" }}-{{ checksum "requirements_test.txt" }}-{{ checksum "setup.py" }}-{{ checksum "Makefile" }}-v3
       - run:
           name: Run linter with venv
           command: make venv_lint
@@ -105,6 +105,9 @@ jobs:
       - run:
           name: Run deposit script on Windows"
           command: python ./test_deposit_script.py
+      - run:
+          name: Run btec script on Windows"
+          command: python ./test_btec_script.py
   build-linux-amd64:
     machine:
       image: ubuntu-2004:202201-02
@@ -135,9 +138,11 @@ jobs:
             export TEST_FOLDER_NAME=TMP_TEST_FOLDER
             mkdir ${TEST_FOLDER_NAME}
             cp -r ${BUILD_FILE_NAME} ${TEST_FOLDER_NAME}
-            cp test_binary_script.py ${TEST_FOLDER_NAME}
+            cp test_binary_deposit_script.py ${TEST_FOLDER_NAME}
+            cp test_binary_btec_script.py ${TEST_FOLDER_NAME}
             cd ${TEST_FOLDER_NAME}
-            python test_binary_script.py ./${BUILD_FILE_NAME};
+            python test_binary_deposit_script.py ./${BUILD_FILE_NAME};
+            python test_binary_btec_script.py ./${BUILD_FILE_NAME};
       - run:
           name: Compress the file
           command: |
@@ -181,9 +186,11 @@ jobs:
             export TEST_FOLDER_NAME=TMP_TEST_FOLDER
             mkdir ${TEST_FOLDER_NAME}
             cp -r ${BUILD_FILE_NAME} ${TEST_FOLDER_NAME}
-            cp test_binary_script.py ${TEST_FOLDER_NAME}
+            cp test_binary_deposit_script.py ${TEST_FOLDER_NAME}
+            cp test_binary_btec_script.py ${TEST_FOLDER_NAME}
             cd ${TEST_FOLDER_NAME}
-            python test_binary_script.py ./${BUILD_FILE_NAME};
+            python test_binary_deposit_script.py ./${BUILD_FILE_NAME};
+            python test_binary_btec_script.py ./${BUILD_FILE_NAME};
       - run:
           name: Compress the file
           command: |
@@ -225,9 +232,11 @@ jobs:
             $TEST_FOLDER_NAME = "TMP_TEST_FOLDER"
             mkdir ${TEST_FOLDER_NAME}
             Copy-item ${BUILD_FILE_NAME} -destination ${TEST_FOLDER_NAME} -recurse
-            copy test_binary_script.py ${TEST_FOLDER_NAME}
+            copy test_binary_deposit_script.py ${TEST_FOLDER_NAME}
+            copy test_binary_btec_script.py ${TEST_FOLDER_NAME}
             cd ${TEST_FOLDER_NAME}
-            python test_binary_script.py ${BUILD_FILE_NAME}
+            python test_binary_deposit_script.py ${BUILD_FILE_NAME}
+            python test_binary_btec_script.py ${BUILD_FILE_NAME}
       - run:
           name: Compress the file
           command: |
@@ -271,9 +280,11 @@ jobs:
             export TEST_FOLDER_NAME=TMP_TEST_FOLDER
             mkdir ${TEST_FOLDER_NAME}
             cp -r ${BUILD_FILE_NAME} ${TEST_FOLDER_NAME}
-            cp test_binary_script.py ${TEST_FOLDER_NAME}
+            cp test_binary_deposit_script.py ${TEST_FOLDER_NAME}
+            cp test_binary_btec_script.py ${TEST_FOLDER_NAME}
             cd ${TEST_FOLDER_NAME}
-            python3 test_binary_script.py ./${BUILD_FILE_NAME};
+            python3 test_binary_deposit_script.py ./${BUILD_FILE_NAME};
+            python3 test_binary_btec_script.py ./${BUILD_FILE_NAME};
       - run:
           name: Compress the file
           command: |

diff --git a/.gitignore b/.gitignore
@@ -1,4 +1,5 @@
 validator_keys
+bls_to_execution_changes
 
 # Python testing & linting:
 build/

diff --git a/README.md b/README.md
@@ -13,11 +13,13 @@
     - [Option 1. Download binary executable file](#option-1-download-binary-executable-file)
       - [Step 1. Installation](#step-1-installation)
       - [Step 2. Create keys and `deposit_data-*.json`](#step-2-create-keys-and-deposit_data-json)
-        - [language Argument](#language-argument)
+        - [`language` Argument](#language-argument)
+        - [`--non_interactive` flag](#--non_interactive-flag)
         - [Commands](#commands)
         - [`new-mnemonic` Arguments](#new-mnemonic-arguments)
         - [`existing-mnemonic` Arguments](#existing-mnemonic-arguments)
         - [Successful message](#successful-message)
+        - [`generate-bls-to-execution-change` Arguments](#generate-bls-to-execution-change-arguments)
     - [Option 2. Build `deposit-cli` with native Python](#option-2-build-deposit-cli-with-native-python)
       - [Step 0. Python version checking](#step-0-python-version-checking)
       - [Step 1. Installation](#step-1-installation-1)
@@ -112,14 +114,22 @@ or run the following command to enter the interactive CLI and generate keys from
 ./deposit existing-mnemonic
 ```
 
-###### language Argument
+###### `language` Argument
 
 The Launchpad offers many language/internationalization options. If you wish to select one as a CLI argument, it must be passed in before one of the commands is chosen.
 
 | Argument | Type | Description |
 | -------- | -------- | -------- |
 | `--language` | String. Options: `العربية`, `ελληνικά`, `English`, `Français`, `Bahasa melayu`, `Italiano`, `日本語`, `한국어`, `Português do Brasil`, `român`, `简体中文`. Default to `English` | The language you wish to use the CLI in. |
 
+###### `--non_interactive` flag
+
+**Warning: with this flag, there will be no confirmation step(s) to verify the input value(s). Please use it carefully.**
+
+| Argument | Type | Description |
+| -------- | -------- | -------- |
+| `--non_interactive` | Flag | Run CLI in non-interactive mode. |
+
 ###### Commands
 
 The CLI offers different commands depending on what you want to do with the tool.
@@ -136,10 +146,10 @@ You can use `new-mnemonic --help` to see all arguments. Note that if there are m
 | Argument | Type | Description |
 | -------- | -------- | -------- |
 | `--num_validators`  | Non-negative integer | The number of signing keys you want to generate. Note that the child key(s) are generated via the same master key. |
-| `--mnemonic_language` | String. Options: `简体中文`, `繁體中文`, `český jazyk`, `English`, `Italiano`, `한국어`, `Português`, `Español`. Default to `English` | The mnemonic language |
+| `--mnemonic_language` | String. Options: `简体中文`, `繁體中文`, `český jazyk`, `English`, `Italiano`, `한국어`, `Português`, `Español`. Default to `English` | The language of the mnemonic word list |
 | `--folder` | String. Pointing to `./validator_keys` by default | The folder path for the keystore(s) and deposit(s) |
 | `--chain` | String. `mainnet` by default | The chain setting for the signing domain. |
-| `--eth1_withdrawal_address` | String. Eth1 address in hexadecimal encoded form | If this field is set and valid, the given Eth1 address will be used to create the withdrawal credentials. Otherwise, it will generate withdrawal credentials with the mnemonic-derived withdrawal public key in [EIP-2334 format](https://eips.ethereum.org/EIPS/eip-2334#eth2-specific-parameters). |
+| `--execution_address` (or `--eth1_withdrawal_address`) | String. Eth1 address in hexadecimal encoded form | If this field is set and valid, the given Eth1 address will be used to create the withdrawal credentials. Otherwise, it will generate withdrawal credentials with the mnemonic-derived withdrawal public key in [ERC-2334 format](https://eips.ethereum.org/EIPS/eip-2334#eth2-specific-parameters). |
 
 ###### `existing-mnemonic` Arguments
 
@@ -151,7 +161,7 @@ You can use `existing-mnemonic --help` to see all arguments. Note that if there
 | `--num_validators`  | Non-negative integer | The number of new signing keys you want to generate. Note that the child key(s) are generated via the same master key. |
 | `--folder` | String. Pointing to `./validator_keys` by default | The folder path for the keystore(s) and deposit(s) |
 | `--chain` | String. `mainnet` by default | The chain setting for the signing domain. |
-| `--eth1_withdrawal_address` | String. Eth1 address in hexadecimal encoded form | If this field is set and valid, the given Eth1 address will be used to create the withdrawal credentials. Otherwise, it will generate withdrawal credentials with the mnemonic-derived withdrawal public key in [EIP-2334 format](https://eips.ethereum.org/EIPS/eip-2334#eth2-specific-parameters). |
+| `--execution_address` (or `--eth1_withdrawal_address`) | String. Eth1 address in hexadecimal encoded form | If this field is set and valid, the given Eth1 address will be used to create the withdrawal credentials. Otherwise, it will generate withdrawal credentials with the mnemonic-derived withdrawal public key in [ERC-2334 format](https://eips.ethereum.org/EIPS/eip-2334#eth2-specific-parameters). |
 
 ###### Successful message
 
@@ -168,6 +178,22 @@ Success!
 Your keys can be found at: <YOUR_FOLDER_PATH>
 ```
 
+###### `generate-bls-to-execution-change` Arguments 
+
+You can use `bls-to-execution-change --help` to see all arguments. Note that if there are missing arguments that the CLI needs, it will ask you for them.
+
+| Argument | Type | Description |
+| -------- | -------- | -------- |
+| `--bls_to_execution_changes_folder` | String. Pointing to `./bls_to_execution_changes` by default | The folder path for the `bls_to_execution_change-*` JSON file(s) |
+| `--chain` | String. `mainnet` by default | The chain setting for the signing domain. |
+| `--mnemonic` | String. mnemonic split by space.  | The mnemonic you used to create withdrawal credentials. |
+| `--mnemonic_password` | Optional string. Empty by default. | The mnemonic password you used in your key generation. Note: It's not the keystore password. |
+| `--validator_start_index` | Non-negative integer | The index position for the keys to start generating withdrawal credentials in [ERC-2334 format](https://eips.ethereum.org/EIPS/eip-2334#eth2-specific-parameters). |
+| `--validator_indices` | String of integer(s) | A list of the chosen validator index number(s) as identified on the beacon chain. Split multiple items with whitespaces or commas. |
+| `--bls_withdrawal_credentials_list` | String of hexstring(s). | A list of the old BLS withdrawal credentials of the given validator(s). It is for confirming you are using the correct keys. Split multiple items with whitespaces or commas. |
+| `--execution_address` (or `--eth1_withdrawal_address`) | String. Eth1 address in hexadecimal encoded form | If this field is set and valid, the given Eth1 address will be used to create the withdrawal credentials. Otherwise, it will generate withdrawal credentials with the mnemonic-derived withdrawal public key in [ERC-2334 format](https://eips.ethereum.org/EIPS/eip-2334#eth2-specific-parameters). |
+| `--devnet_chain_setting` | String. JSON string `'{"network_name": "<NETWORK_NAME>", "genesis_fork_version": "<GENESIS_FORK_VERSION>", "genesis_validator_root": "<GENESIS_VALIDATOR_ROOT>"}'` | The custom chain setting of a devnet or testnet. Note that it will override your `--chain` choice. |
+
 #### Option 2. Build `deposit-cli` with native Python
 
 ##### Step 0. Python version checking
@@ -228,6 +254,7 @@ See [here](#commands)
 
 See [here](#new-mnemonic-arguments) for `new-mnemonic` arguments
 See [here](#existing-mnemonic-arguments) for `existing-mnemonic` arguments
+See [here](#generate-bls-to-execution-change-arguments) for `generate-bls-to-execution-change` arguments
 
 ###### Successful message
 See [here](#successful-message)
@@ -295,6 +322,7 @@ See [here](#commands)
 
 See [here](#new-mnemonic-arguments) for `new-mnemonic` arguments
 See [here](#existing-mnemonic-arguments) for `existing-mnemonic` arguments
+See [here](#generate-bls-to-execution-change-arguments) for `generate-bls-to-execution-change` arguments
 
 #### Option 4. Use Docker image
 
@@ -378,6 +406,7 @@ See [here](#commands)
 
 See [here](#new-mnemonic-arguments) for `new-mnemonic` arguments
 See [here](#existing-mnemonic-arguments) for `existing-mnemonic` arguments
+See [here](#generate-bls-to-execution-change-arguments) for `generate-bls-to-execution-change` arguments
 
 #### Option 2. Build `deposit-cli` with native Python
 
@@ -440,6 +469,7 @@ See [here](#commands)
 
 See [here](#new-mnemonic-arguments) for `new-mnemonic` arguments
 See [here](#existing-mnemonic-arguments) for `existing-mnemonic` arguments
+See [here](#generate-bls-to-execution-change-arguments) for `generate-bls-to-execution-change` arguments
 
 #### Option 3. Build `deposit-cli` with `virtualenv`
 
@@ -504,6 +534,7 @@ See [here](#commands)
 
 See [here](#new-mnemonic-arguments) for `new-mnemonic` arguments
 See [here](#existing-mnemonic-arguments) for `existing-mnemonic` arguments
+See [here](#generate-bls-to-execution-change-arguments) for `generate-bls-to-execution-change` arguments
 
 ## Development
 

diff --git a/setup.py b/setup.py
@@ -6,7 +6,7 @@
 
 setup(
     name="staking_deposit",
-    version='2.4.0',
+    version='2.5.0',
     py_modules=["staking_deposit"],
     packages=find_packages(exclude=('tests', 'docs')),
     python_requires=">=3.8,<4",

diff --git a/staking_deposit/cli/existing_mnemonic.py b/staking_deposit/cli/existing_mnemonic.py
@@ -1,6 +1,7 @@
 import click
 from typing import (
     Any,
+    Callable,
 )
 
 from staking_deposit.exceptions import ValidationError
@@ -22,6 +23,39 @@
 )
 
 
+def load_mnemonic_arguments_decorator(function: Callable[..., Any]) -> Callable[..., Any]:
+    '''
+    This is a decorator that, when applied to a parent-command, implements the
+    to obtain the necessary arguments for the generate_keys() subcommand.
+    '''
+    decorators = [
+        jit_option(
+            callback=validate_mnemonic,
+            help=lambda: load_text(['arg_mnemonic', 'help'], func='existing_mnemonic'),
+            param_decls='--mnemonic',
+            prompt=lambda: load_text(['arg_mnemonic', 'prompt'], func='existing_mnemonic'),
+            type=str,
+        ),
+        jit_option(
+            callback=captive_prompt_callback(
+                lambda x: x,
+                lambda: load_text(['arg_mnemonic_password', 'prompt'], func='existing_mnemonic'),
+                lambda: load_text(['arg_mnemonic_password', 'confirm'], func='existing_mnemonic'),
+                lambda: load_text(['arg_mnemonic_password', 'mismatch'], func='existing_mnemonic'),
+                True,
+            ),
+            default='',
+            help=lambda: load_text(['arg_mnemonic_password', 'help'], func='existing_mnemonic'),
+            hidden=True,
+            param_decls='--mnemonic-password',
+            prompt=False,
+        ),
+    ]
+    for decorator in reversed(decorators):
+        function = decorator(function)
+    return function
+
+
 def validate_mnemonic(ctx: click.Context, param: Any, mnemonic: str) -> str:
     mnemonic = reconstruct_mnemonic(mnemonic, WORD_LISTS_PATH)
     if mnemonic is not None:
@@ -33,27 +67,7 @@ def validate_mnemonic(ctx: click.Context, param: Any, mnemonic: str) -> str:
 @click.command(
     help=load_text(['arg_existing_mnemonic', 'help'], func='existing_mnemonic'),
 )
-@jit_option(
-    callback=validate_mnemonic,
-    help=lambda: load_text(['arg_mnemonic', 'help'], func='existing_mnemonic'),
-    param_decls='--mnemonic',
-    prompt=lambda: load_text(['arg_mnemonic', 'prompt'], func='existing_mnemonic'),
-    type=str,
-)
-@jit_option(
-    callback=captive_prompt_callback(
-        lambda x: x,
-        lambda: load_text(['arg_mnemonic_password', 'prompt'], func='existing_mnemonic'),
-        lambda: load_text(['arg_mnemonic_password', 'confirm'], func='existing_mnemonic'),
-        lambda: load_text(['arg_mnemonic_password', 'mismatch'], func='existing_mnemonic'),
-        True,
-    ),
-    default='',
-    help=lambda: load_text(['arg_mnemonic_password', 'help'], func='existing_mnemonic'),
-    hidden=True,
-    param_decls='--mnemonic-password',
-    prompt=False,
-)
+@load_mnemonic_arguments_decorator
 @jit_option(
     callback=captive_prompt_callback(
         lambda num: validate_int_range(num, 0, 2**32),