Fixing "build constraints exclude all Go files"

find_nonsupported.go

@@ -4,9 +4,11 @@ package cryptoWallet
 
 import (
 	"log"
+
+	"github.com/xaionaro-go/cryptoWallet/internal/errors"
 )
 
 func Find(filter Filter) []Wallet {
-	log.Panic("cryptowallets are not supported on this platform :(")
+	log.Panic(errors.ErrNotSupportedPlatform)
 	return nil
 }

internal/errors/errors.go

@@ -12,4 +12,8 @@ var (
 	// ErrNotInitialized is returned when trying to do an action requires
 	// an initialized device on a not initialized device
 	ErrNotInitialized = fmt.Errorf("The wallet device is not initialized.")
+
+	// ErrNotSupportedPlatform is returned/paniced when trying use this library
+	// on an unsupported platform
+	ErrNotSupportedPlatform = fmt.Errorf(`"cryptoWallet" is not supported on this platform :(`)
 )

internal/wallets/satoshilabs/trezor/trezor.go

@@ -1,3 +1,8 @@
+// +build linux,cgo darwin,!ios,cgo windows,cgo
+
+// The building requirements above a copied from
+// github.com/trezor/usbhid/libusb.go (commit: 519ec1000beb862bbe9b16b99d782ab77787ea18)
+
 package trezorBase
 
 import (

internal/wallets/satoshilabs/trezor/trezor_unsupported.go

@@ -0,0 +1,51 @@
+// +build !cgo iso !linux,!darwin,!windows
+
+package trezorBase
+
+import (
+	"log"
+
+	"github.com/conejoninja/tesoro/pb/messages"
+	"github.com/xaionaro-go/cryptoWallet/internal/errors"
+	"github.com/xaionaro-go/cryptoWallet/internal/wallets/satoshilabs"
+	"github.com/zserge/hid"
+)
+
+// TrezorBase -- see trezor.go
+type TrezorBase struct {
+	satoshilabsWallet.Base
+}
+
+// SetHIDDevice -- see trezor.go
+func (trezor *TrezorBase) SetHIDDevice(device hid.Device) {
+	log.Panic(errors.ErrNotSupportedPlatform)
+}
+// Reset -- see trezor.go
+func (trezor *TrezorBase) Reset() error {
+	return errors.ErrNotSupportedPlatform
+}
+// Ping -- see trezor.go
+func (trezor *TrezorBase) Ping() error {
+	return errors.ErrNotSupportedPlatform
+}
+// Reconnect -- see trezor.go
+func (trezor *TrezorBase) Reconnect() error {
+	return errors.ErrNotSupportedPlatform
+}
+// CheckConnection -- see trezor.go
+func (trezor *TrezorBase) CheckConnection() error {
+	return errors.ErrNotSupportedPlatform
+}
+// CipherKeyValue -- see trezor.go
+func (trezor *TrezorBase) CipherKeyValue(path string, isToEncrypt bool, keyName string, data, iv []byte, askOnEncode, askOnDecode bool) ([]byte, messages.MessageType) {
+	log.Panic(errors.ErrNotSupportedPlatform)
+	return nil, messages.MessageType_MessageType_Failure
+}
+// EncryptKey -- see trezor.go
+func (trezor *TrezorBase) EncryptKey(path string, decryptedKey []byte, nonce []byte, trezorKeyname string) ([]byte, error) {
+	return nil, errors.ErrNotSupportedPlatform
+}
+// DecryptKey -- see trezor.go
+func (trezor *TrezorBase) DecryptKey(path string, encryptedKey []byte, nonce []byte, trezorKeyname string) ([]byte, error) {
+	return nil, errors.ErrNotSupportedPlatform
+}