Trezor Communication Daemon aka Trezor Bridge (written in Go)
Only compatible with Chrome (version 53 or later) and Firefox (version 55 or later).
status: spec Chrome Firefox Edge
trezord-go requires go >= 1.6
go get github.com/trezor/trezord-go
go build github.com/trezor/trezord-go
./trezord-go -h
On Linux don't forget to install the udev rules if you are running from source and not using pre-built packages.
Prerequisites:
go get github.com/karalabe/xgodocker pull karalabe/xgo-latest- make sure
xgoanddockerare in$PATH cd release && make all; the installers are ininstallers
Prerequisites:
go get github.com/karalabe/xgodocker pull karalabe/xgo-latest
Compiling for officially supported platforms:
$GOPATH/bin/xgo -targets=windows/amd64,windows/386,darwin/amd64,linux/amd64,linux/386 .
Trezord supports emulators for both Trezor versions. However, you need to enable it manually; it is disabled by default. After enabling, services that work with emulator can work with all services that support trezord.
To enable emulator, run trezord with a parameter -e followed by port, for every emulator with an enabled port
./trezord -e 21324
If you want to run this automatically on linux, do
sudo systemctl edit --full trezord.service
and edit the service file (and maybe restart the trezord service). On mac, you will need to edit
/Library/LaunchAgents/com.bitcointrezor.trezorBridge.trezord.plist
and edit the last <string> in the plist. (And also probably restart the pc.)
You can disable all USB in order to run on some virtuaized environments, for example Travis
./trezord -e 21324 -u=false
trezord-go starts a HTTP server on http://localhost:21325. AJAX calls are only enabled from trezor.io subdomains.
Server supports following API calls:
| url method |
parameters | result type | description |
|---|---|---|---|
/ POST |
{version: string} |
Returns current version of bridge | |
/enumerate POST |
Array<{path: string, session: string | null}> |
Lists devices.path uniquely defines device between more connected devices. Two different devices (or device connected and disconnected) will return different paths.If session is null, nobody else is using the device; if it's string, it identifies who is using it. |
|
/listen POST |
request body: previous, as JSON | like enumerate |
Listen to changes and returns either on change or after 30 second timeout. Compares change from previous that is sent as a parameter. "Change" is both connecting/disconnecting and session change. |
/acquire/PATH/PREVIOUS POST |
PATH: path of devicePREVIOUS: previous session (or string "null") |
{session: string} |
Acquires the device at PATH. By "acquiring" the device, you are claiming the device for yourself.Before acquiring, checks that the current session is PREVIOUS.If two applications call acquire on a newly connected device at the same time, only one of them succeed. |
/release/SESSIONPOST |
SESSION: session to release |
{} | Releases the device with the given session. By "releasing" the device, you claim that you don't want to use the device anymore. |
/call/SESSIONPOST |
SESSION: session to callrequest body: hexadecimal string |
hexadecimal string | Both input and output are hexadecimal, encoded in following way: first 2 bytes (4 characters in the hexadecimal) is the message type next 4 bytes (8 in hex) is length of the data the rest is the actual encoded protobuf data. Protobuf messages are defined in this protobuf file and the app, calling trezord, should encode/decode it itself. |
/post/SESSIONPOST |
SESSION: session to callrequest body: hexadecimal string |
0 | Similar to call, just doesn't read response back. Usable mainly for debug link. |
/read/SESSIONPOST |
SESSION: session to call |
0 | Similar to call, just doesn't post, only reads. Usable mainly for debug link. |
Trezord has support for debug link.
To support an emulator with debug link, run
./trezord -ed 21324:21325 -u=false
this will detect emulator debug link on port 21325, with regular device on 21324.
To support WebUSB devices with debug link, no option is needed, just run trezord-go.
In the enumerate and listen results, there are now two new fields: debug and debugSession. debug signals that device can receive debug link messages.
Session management is separate for debug link and normal interface, so you can have two applications - one controlling trezor and one "normal".
There are new calls:
/debug/acquire/PATH, which has the same path as normalacquire, and returns aSESSION/debug/release/SESSIONreleases session/debug/call/SESSION,/debug/post/SESSION,/debug/read/SESSIONwork as with normal interface
The session IDs for debug link start with the string "debug".
- (C) 2018 Karel Bilek, Jan Pochyla
- CORS Copyright (c) 2013 The Gorilla Handlers Authors, BSD license
- (c) 2017 Jason T. Harris (also see https://github.com/deadsy/libusb for comprehensive list)
- (C) 2017 Péter Szilágyi (also see https://github.com/karalabe/hid for comprehensive list)
- (C) 2010-2016 Pete Batard [email protected] (also see https://github.com/pbatard/libwdi/ for comprehensive list)
- Licensed under LGPLv3
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