mirror of
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154 lines
4.4 KiB
Markdown
154 lines
4.4 KiB
Markdown
# trezorlib
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[](https://repology.org/metapackage/python:trezor) [](https://gitter.im/trezor/community)
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Python library and command-line client for communicating with Trezor
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Hardware Wallet.
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See <https://trezor.io> for more information.
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## Install
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Python Trezor tools require Python 3.6 or higher, and libusb 1.0. The easiest
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way to install it is with `pip`. The rest of this guide assumes you have
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a working `pip`; if not, you can refer to [this
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guide](https://packaging.python.org/tutorials/installing-packages/).
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On a typical system, you already have all you need. Install `trezor` with:
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```sh
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pip3 install trezor
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```
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On Windows, you also need to either install [Trezor Bridge](https://suite.trezor.io/web/bridge/), or
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[libusb](https://github.com/libusb/libusb/wiki/Windows) and the appropriate
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[drivers](https://zadig.akeo.ie/).
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### Firmware version requirements
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Current trezorlib version supports Trezor One version 1.8.0 and up, and Trezor T version
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2.1.0 and up.
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For firmware versions below 1.8.0 and 2.1.0 respectively, the only supported operation
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is "upgrade firmware".
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Trezor One with firmware _older than 1.7.0_ and bootloader _older than 1.6.0_
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(including pre-2021 fresh-out-of-the-box units) will not be recognized, unless
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you install HIDAPI support (see below).
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### Installation options
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* **Ethereum**: To support Ethereum signing from command line, additional packages are
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needed. Install with:
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```sh
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pip3 install trezor[ethereum]
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```
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* **Stellar**: To support Stellar signing from command line, additional packages are
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needed. Install with:
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```sh
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pip3 install trezor[stellar]
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```
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* **Firmware-less Trezor One**: If you are setting up a brand new Trezor One
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manufactured before 2021 (with pre-installed bootloader older than 1.6.0), you will
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need HIDAPI support. On Linux, you will need the following packages (or their
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equivalents) as prerequisites: `python3-dev`, `cython3`, `libusb-1.0-0-dev`,
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`libudev-dev`.
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Install with:
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```sh
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pip3 install trezor[hidapi]
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```
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To install all three, use `pip3 install trezor[hidapi,ethereum,stellar]`.
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### Distro packages
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Check out [Repology](https://repology.org/metapackage/python:trezor) to see if your
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operating system has an up-to-date python-trezor package.
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### Installing latest version from GitHub
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```sh
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pip3 install "git+https://github.com/trezor/trezor-firmware#egg=trezor&subdirectory=python"
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```
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### Running from source
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Install the [Poetry](https://python-poetry.org/) tool, checkout
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`trezor-firmware` from git, and enter the poetry shell:
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```sh
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pip3 install poetry
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git clone https://github.com/trezor/trezor-firmware
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cd trezor-firmware
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poetry install
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poetry shell
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```
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In this environment, trezorlib and the `trezorctl` tool is running from the live
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sources, so your changes are immediately effective.
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## Command line client (trezorctl)
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The included `trezorctl` python script can perform various tasks such as
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changing setting in the Trezor, signing transactions, retrieving account
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info and addresses. See the [docs/](docs/) sub folder for detailed
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examples and options.
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NOTE: An older version of the `trezorctl` command is [available for
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Debian Stretch](https://packages.debian.org/en/stretch/python-trezor)
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(and comes pre-installed on [Tails OS](https://tails.boum.org/)).
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## Python Library
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You can use this python library to interact with a Trezor and use its capabilities in
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your application. See examples here in the [tools/](tools/) sub folder.
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## PIN Entering
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When you are asked for PIN, you have to enter scrambled PIN. Follow the
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numbers shown on Trezor display and enter the their positions using the
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numeric keyboard mapping:
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|---|---|---|
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| 7 | 8 | 9 |
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| 4 | 5 | 6 |
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| 1 | 2 | 3 |
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Example: your PIN is **1234** and Trezor is displaying the following:
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| 2 | 8 | 3 |
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| 5 | 4 | 6 |
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| 7 | 9 | 1 |
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You have to enter: **3795**
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## Contributing
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If you want to change protobuf or coin definitions, you will need to regenerate
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definitions in the `python/` subdirectory.
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First, make sure your submodules are up-to-date with:
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```sh
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git submodule update --init --recursive
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```
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Then, rebuild the protobuf messages by running, from the `trezor-firmware` top-level
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directory:
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```sh
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make gen
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```
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To get support for BTC-like coins, these steps are enough and no further
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changes to the library are necessary.
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