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firmware.go
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firmware.go
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// Copyright 2018 Shift Devices AG
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package bitbox02bootloader
import (
"fmt"
"github.com/digitalbitbox/bitbox-wallet-app/backend/devices/bitbox02common"
"github.com/digitalbitbox/bitbox-wallet-app/util/semver"
)
//go:generate go-bindata -pkg $GOPACKAGE -o assets.go assets
type firmwareInfo struct {
version *semver.SemVer
filename string
}
var bundledFirmwares = map[bitbox02common.Edition]firmwareInfo{
bitbox02common.EditionStandard: {
version: semver.NewSemVer(4, 1, 0),
filename: "assets/firmware.v%s.signed.bin",
},
bitbox02common.EditionBTCOnly: {
version: semver.NewSemVer(4, 1, 1),
filename: "assets/firmware-btc.v%s.signed.bin",
},
}
// BundledFirmwareVersion returns the version of the bundled firmware.
func BundledFirmwareVersion(edition bitbox02common.Edition) *semver.SemVer {
info, ok := bundledFirmwares[edition]
if !ok {
panic("unrecognized edition")
}
return info.version
}
// bundledFirmware returns the binary of the bundled firmware.
func bundledFirmware(edition bitbox02common.Edition) []byte {
info, ok := bundledFirmwares[edition]
if !ok {
panic("unrecognized edition")
}
binary, err := Asset(fmt.Sprintf(info.filename, BundledFirmwareVersion(edition).String()))
if err != nil {
panic(err)
}
return binary
}