Metadata-Version: 2.1
Name: ckcc-protocol
Version: 0.7.3
Summary: Communicate with your Coldcard using Python
Home-page: https://github.com/Coldcard/ckcc-protocol
Author: Coinkite Inc.
Author-email: support@coinkite.com
License: UNKNOWN
Description: # Coldcard CLI and Python Interface Library
        
        Coldcard is a Cheap, Ultra-secure & Opensource Hardware Wallet
        for #Bitcoin and other crypto-currencies. 
        
        Get yours at [ColdcardWallet.com](http://coldcardwallet.com)
        
        This is the python code and command-line utilities you need to communciate with it over USB.
        
        ## Setup For Everyday Use
        
        - `pip install 'ckcc-protocol[cli]'`
        
        This installs a single helpful command line program: `ckcc`
        
        If you just want the python library, use:
        
        - `pip install ckcc-protocol`
        
        
        ## Setup If You Might Change the Code
        
        - do a git checkout
        - probable make a fresh virtual env
        - run:
        
        ```
        pip install -r requirements.txt
        pip install --editable '.[cli]'
        ```
        
        ## Requirements
        
        - python 3.5.0 or higher
        - `hidapi` for USB HID access in a portable way.
        - see `requirements.txt` file for more details.
        
        
        # CLI Examples
        
        ## Command Arguments
        
        ```
        % ckcc
        Usage: ckcc [OPTIONS] COMMAND [ARGS]...
        
        Options:
          -s, --serial HEX  Operate on specific unit (default: first found)
          -x, --simulator   Connect to the simulator via Unix socket
          --help            Show this message and exit.
        
        Commands:
          addr     Show the human version of an address
          backup   Creates 7z encrypted backup file after...
          bag      Factory: set or read bag number -- single use...
          debug    Start interactive (local) debug session
          list     List all attached Coldcard devices
          logout   Securely logout of device (will require...
          msg      Sign a short text message
          pass     Provide a BIP39 passphrase
          reboot   Reboot coldcard, force relogin and start over
          sign     Approve a spending transaction (by signing it...
          test     Test USB connection (debug/dev)
          upgrade  Send firmware file (.dfu) and trigger upgrade...
          upload   Send file to Coldcard (PSBT transaction or...
          version  Get the version of the firmware installed
          xfp      Get the fingerprint for this wallet (master...
          xpub     Get the XPUB for this wallet (master level,...
        ```
        
        
        ## Message Signing
        
        ```
        % ckcc msg --help
        Usage: ckcc msg [OPTIONS] MESSAGE
        
          Sign a short text message
        
        Options:
          -p, --path TEXT  Derivation for key to use
          -v, --verbose    Include fancy ascii armour
          -j, --just-sig   Just the signature itself, nothing more
          --help           Show this message and exit.
        
        % ckcc msg "Hello Coldcard" -p m/34/23/33
        Waiting for OK on the Coldcard...
        Hello Coldcard                    
        1KSXaNHh3G4sfTMsp9q8CmACeqsJn46drd
        H4mTuwMUdnu3MyMA+6aJ3hiAF4L0WBDZFseTEno511hNN8/THIeM4GW4SnrcJJhS3WxMZEWFdEIZDSP+H5aIcao=
        ```
        
        ## Transaction Signing
        
        ```
        % ckcc sign --help
        Usage: ckcc sign [OPTIONS] PSBT_IN PSBT_OUT
        
          Approve a spending transaction (by signing it on Coldcard)
        
        Options:
          -v, --verbose   Show more details
          -f, --finalize  Show final signed transaction, ready for transmission
          --help          Show this message and exit.
        
        % (... acquire PSBT file for what you want to do ...)
        
        % ckcc sign example.psbt out.psbt
        5071 bytes (start @ 0) to send from 'example.psbt'
        Uploading  [####################################]  100%
        Waiting for OK on the Coldcard...
        Ok! Downloading result (5119 bytes)
        
        %  hd out.psbt | head -3
        00000000  70 73 62 74 ff 01 00 fd  22 04 02 00 00 00 04 3f  |psbt...."......?|
        00000010  ee 16 30 9d 14 82 36 dd  c8 3e 9e 4f 94 47 83 00  |..0...6..>.O.G..|
        00000020  c2 23 e1 06 22 1b 02 0e  bd c8 1c 71 79 7d 3c 02  |.#.."......qy}<.|
        00000030  00 00 00 00 fe ff ff ff  4c 85 a0 2c 80 cb 2c 01  |........L..,..,.|
        
        ```
        
        
        
Platform: UNKNOWN
Classifier: License :: OSI Approved :: GNU Lesser General Public License v3 (LGPLv3)
Classifier: Operating System :: POSIX :: Linux
Classifier: Operating System :: Microsoft :: Windows
Classifier: Operating System :: MacOS :: MacOS X
Requires-Python: >3.5.0
Description-Content-Type: text/markdown
Provides-Extra: cli
