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63 lines
1.9 KiB
Markdown
63 lines
1.9 KiB
Markdown
# Trezor hardware wallet support
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This module adds [Trezor] hardware support to Monero.
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## Basic information
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Trezor integration is based on the following original proposal: https://github.com/ph4r05/monero-trezor-doc
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A custom high-level transaction signing protocol uses Trezor in a similar way a cold wallet is used.
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Transaction is build incrementally on the device.
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Trezor implements the signing protocol in [trezor-firmware] repository, in the [monero](https://github.com/trezor/trezor-firmware/tree/master/core/src/apps/monero) application.
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Please, refer to [monero readme](https://github.com/trezor/trezor-firmware/blob/master/core/src/apps/monero/README.md) for more information.
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## Dependencies
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Trezor uses [Protobuf](https://protobuf.dev/) library.
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Monero is now compiled with C++17 by default. If you are getting Trezor compilation errors, it may be caused by abseil (protobuf dependency) not being compiled with C++17.
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To fix this try installing protobuf from sources:
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```shell
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git clone --recursive git@github.com:protocolbuffers/protobuf.git
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cd protobuf
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cmake -DABSL_PROPAGATE_CXX_STD=TRUE -DCMAKE_CXX_STANDARD=17 -Dprotobuf_BUILD_SHARED_LIBS=ON -Dprotobuf_BUILD_TESTS=OFF .
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cmake --build .
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sudo make install
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```
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### macOS
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```bash
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brew update && brew bundle --file=contrib/brew/Brewfile
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```
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### MSYS32
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```bash
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pacman -S mingw-w64-x86_64-protobuf
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```
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### Other systems
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- install Protobuf
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- point `CMAKE_PREFIX_PATH` environment variable to Protobuf installation.
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## Troubleshooting
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To disable Trezor support, set `USE_DEVICE_TREZOR=OFF`, e.g.:
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```shell
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USE_DEVICE_TREZOR=OFF make release
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```
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## Resources:
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- First pull request https://github.com/monero-project/monero/pull/4241
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- Integration proposal https://github.com/ph4r05/monero-trezor-doc
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- Integration readme in trezor-firmware https://github.com/trezor/trezor-firmware/blob/master/core/src/apps/monero/README.md
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[Trezor]: https://trezor.io/
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[trezor-firmware]: https://github.com/trezor/trezor-firmware/ |